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Nagella SR, Ha CS. Structural Designs of Transparent Polyimide Films with Low Dielectric Properties and Low Water Absorption: A Review. NANOMATERIALS (BASEL, SWITZERLAND) 2023; 13:2090. [PMID: 37513100 PMCID: PMC10386762 DOI: 10.3390/nano13142090] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/15/2023] [Revised: 07/08/2023] [Accepted: 07/12/2023] [Indexed: 07/30/2023]
Abstract
The rapid development of communication networks (5G and 6G) that rely on high-speed devices requiring fast and high-quality intra- and inter-terminal signal transmission media has led to a steady increase in the need for high-performance, low-dielectric-constant (Dk) (<2.5) materials. Consequently, low-dielectric polymeric materials, particularly polyimides (PIs), are very attractive materials that are capable of meeting the requirements of high-performance terminal devices that transmit broadband high-frequency signals. However, such a PI needs to be properly designed with appropriate properties, including a low Dk, low dielectric loss (Df), and low water absorptivity. PI materials are broadly used in various fields owing to their superior property/processibility combinations. This review summarizes the structural designs of PIs with low Dk and Df values, low water-absorbing capacity, and high optical transparency intended for communication applications. Furthermore, we characterize structure-property relationships for various PI types and finally propose structural modifications required to obtain useful values of the abovementioned parameters.
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Affiliation(s)
- Sivagangi Reddy Nagella
- Department of Polymer Science and Engineering, School of Chemical Engineering, Pusan National University, Busan 46241, Republic of Korea
| | - Chang-Sik Ha
- Department of Polymer Science and Engineering, School of Chemical Engineering, Pusan National University, Busan 46241, Republic of Korea
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2
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Wu M, Han W, Zhang C, Zhang S, Zhang X, Chen X, Naito K, Yu X, Zhang Q. Rational Design of Fluorinated Phthalonitrile/Hollow Glass Microsphere Composite with Low Dielectric Constant and Excellent Heat Resistance for Microelectronic Packaging. NANOMATERIALS (BASEL, SWITZERLAND) 2022; 12:3973. [PMID: 36432259 PMCID: PMC9698618 DOI: 10.3390/nano12223973] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 10/12/2022] [Revised: 11/05/2022] [Accepted: 11/07/2022] [Indexed: 06/16/2023]
Abstract
High-performance composites with a resin matrix are urgently required for electronic packaging due to their low dielectric constant, outstanding high temperature resistance, excellent corrosion resistance, light weight and easy molding. In this work, hollow-glass-microsphere (HGM)-filled fluorinated-phthalonitrile (PBDP) composites, with filler contents ranging from 0 to 35.0 vol.%, were prepared in order to modify the dielectric properties of the phthalonitrile. Scanning electron microscopy (SEM) observations indicate that the modified HGM particles were uniformly dispersed in the matrix. The PBDP/27.5HGM-NH2 composite demonstrates a low dielectric constant of 1.85 at 12 GHz. The 5% thermogravimetric temperature (T5) of composites with silanized HGM filler (481-486 °C) is higher than the minimum packaging-material requirements (450 °C). In addition, the heat-resistance index (THRI) of PBDP/HGM-NH2 composites reached as high as 268 °C. the storage modulus of PBDP/HGM-NH2 composites were significantly increased to 1283 MPa at 400 °C, an increase by 50%, in comparison to that of PBDP phthalonitrile resin (857 MPa). The excellent dielectric and thermal properties of the present composites may pave a way for comprehensive applications in electronic packaging and thermal management for energy systems.
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Affiliation(s)
- Minjie Wu
- Hebei Key Laboratory of Functional Polymers, School of Chemical Engineering and Technology, Hebei University of Technology, Tianjin 300401, China
| | - Wenshuang Han
- Hebei Key Laboratory of Functional Polymers, School of Chemical Engineering and Technology, Hebei University of Technology, Tianjin 300401, China
| | - Chun Zhang
- Hebei Key Laboratory of Functional Polymers, School of Chemical Engineering and Technology, Hebei University of Technology, Tianjin 300401, China
| | - Shuo Zhang
- Hebei Key Laboratory of Functional Polymers, School of Chemical Engineering and Technology, Hebei University of Technology, Tianjin 300401, China
| | - Xinyang Zhang
- Hebei Key Laboratory of Functional Polymers, School of Chemical Engineering and Technology, Hebei University of Technology, Tianjin 300401, China
| | - Xinggang Chen
- School of Materials Science and Engineering, North China University of Science and Technology, Tangshan 063210, China
| | - Kimiyoshi Naito
- National Institute for Materials Science (NIMS), Hybrid Materials Unit, Composite Materials Group, 1-2-1 Sengen, Tsukuba 305-0047, Japan
| | - Xiaoyan Yu
- Hebei Key Laboratory of Functional Polymers, School of Chemical Engineering and Technology, Hebei University of Technology, Tianjin 300401, China
| | - Qingxin Zhang
- Hebei Key Laboratory of Functional Polymers, School of Chemical Engineering and Technology, Hebei University of Technology, Tianjin 300401, China
- Tianjin Key Laboratory of Materials Laminating Fabrication and Interface Control Technology, Hebei University of Technology, Tianjin 300401, China
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Li D, Wang C, Ma S, Zhou H, Lu R. Preparation and characterization of soluble heat-resistant polyimide films containing bis-N-phenyl-benzimidazole. HIGH PERFORM POLYM 2021. [DOI: 10.1177/09540083211036326] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
To prepare soluble polyimides with high temperature resistance, two new diamine monomers, namely, 2,2′-(4,4′-oxybisphenylene)-bis(1-phenyl-5-aminobenzimidazole) (5a), and 2,2′-(4,4′-hexafluoroisopropylidene)-bis(1-phenyl-5- aminobenzimidazole) (5b), were synthesized and exploited to prepare three series of poly(benzimidazole imides)s (PBIIs) by a conventional two-stage synthesis. The resulting PI films were flexible and tough, possessing high glass-transition temperatures (Tgs = 311°C–390°C), improved optical transparency, and excellent solubility. Moreover, the effect of different configuration on performance was revealed, and these data provided a feasible method to enhance both Tg and solubility of PIs by incorporating N-phenyl benzimidazole and corresponding functional moieties.
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Affiliation(s)
- Dandan Li
- College of Chemistry, Jilin University, Changchun, China
| | - Chengyang Wang
- College of Chemistry, Jilin University, Changchun, China
| | - Shengqi Ma
- College of Chemistry, Jilin University, Changchun, China
| | - Hongwei Zhou
- College of Chemistry, Jilin University, Changchun, China
| | - Ran Lu
- College of Chemistry, Jilin University, Changchun, China
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Hu M, Chen H, Wang M, Liu G, Chen C, Qian G, Yu Y. Novel low‐dielectric constant and soluble polyimides from diamines containing fluorene and pyridine unit. JOURNAL OF POLYMER SCIENCE 2021. [DOI: 10.1002/pol.20200762] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Affiliation(s)
- Mengjie Hu
- Center for Advanced Low‐Dimension Materials, State Key Laboratory for Modification of Chemical Fibers and Polymer Materials, College of Material Science and Engineering Donghua University Shanghai 201620 P.R. China
| | - Haiquan Chen
- Center for Advanced Low‐Dimension Materials, State Key Laboratory for Modification of Chemical Fibers and Polymer Materials, College of Material Science and Engineering Donghua University Shanghai 201620 P.R. China
| | - Mengxia Wang
- Center for Advanced Low‐Dimension Materials, State Key Laboratory for Modification of Chemical Fibers and Polymer Materials, College of Material Science and Engineering Donghua University Shanghai 201620 P.R. China
| | - Gang Liu
- Center for Advanced Low‐Dimension Materials, State Key Laboratory for Modification of Chemical Fibers and Polymer Materials, College of Material Science and Engineering Donghua University Shanghai 201620 P.R. China
| | - Chunhai Chen
- Center for Advanced Low‐Dimension Materials, State Key Laboratory for Modification of Chemical Fibers and Polymer Materials, College of Material Science and Engineering Donghua University Shanghai 201620 P.R. China
| | - Guangtao Qian
- Center for Advanced Low‐Dimension Materials, State Key Laboratory for Modification of Chemical Fibers and Polymer Materials, College of Material Science and Engineering Donghua University Shanghai 201620 P.R. China
| | - Youhai Yu
- Center for Advanced Low‐Dimension Materials, State Key Laboratory for Modification of Chemical Fibers and Polymer Materials, College of Material Science and Engineering Donghua University Shanghai 201620 P.R. China
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5
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Choi MY, Lee SJ, Kwac LK, Kim HG, Chang JH. Effects of diamine isomers on the properties of colorless and transparent copoly(amide imide)s. RSC Adv 2021; 11:30479-30486. [PMID: 35480277 PMCID: PMC9041123 DOI: 10.1039/d1ra03999g] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/23/2021] [Accepted: 09/06/2021] [Indexed: 11/26/2022] Open
Abstract
To fully understand the structure–property relationship of aromatic copoly(amide-imide)s (Co-PAIs) and determine which factors lead to chain rigidity, we prepared two series of Co-PAIs. They were synthesized from two types of amine monomers containing m- and p-isomers and different ratios of 4,4′-(hexafluoroiso-propylidene)diphthalic anhydride (6FDA) and 4,4′-biphthalic anhydride (BPA). m-Substituted and p-substituted N,N′-[2,2′-bis(trifluoromethyl)-4,4′-biphenylene]bis(aminobenzamide) (MPAB) diamine isomers were synthesized from 3- and 4-nitrobenzoyl chloride and 2,2′-bis(trifluoromethyl) benzidine (TFB), respectively. The Co-PAI films were synthesized from poly(amic acid) (PAA), via solution-casting, followed by thermal imidizations. The thermal- and mechanical-properties and optical transparency of the Co-PAI films with different BPA monomer contents were investigated. We also investigated the effects of the different MPAB isomers on the Co-PAI structures. Compared with the m-substituted MPAB Co-PAI films, the p-substituted MPAB Co-PAI films have superior thermo-mechanical properties at the same monomer content. However, the optical transparencies of the m-MPAB Co-PAIs are slightly better than those of the p-MPAB Co-PAIs. The thermal- and mechanical-properties and optical transparency of the copoly(amide imide) films with different BPA monomer contents were investigated.![]()
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Affiliation(s)
- Moon Young Choi
- Graduate School of Carbon Convergence Engineering, Jeonju University, Jeonju 55069, Korea
| | - Seon Ju Lee
- Graduate School of Carbon Convergence Engineering, Jeonju University, Jeonju 55069, Korea
| | - Lee Ku Kwac
- Graduate School of Carbon Convergence Engineering, Jeonju University, Jeonju 55069, Korea
- Institute of Carbon Technology, Jeonju University, Jeonju 55069, Korea
| | - Hong Gun Kim
- Graduate School of Carbon Convergence Engineering, Jeonju University, Jeonju 55069, Korea
- Institute of Carbon Technology, Jeonju University, Jeonju 55069, Korea
| | - Jin-Hae Chang
- Institute of Carbon Technology, Jeonju University, Jeonju 55069, Korea
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6
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Liu S, Feng Q, Li Y, Chen Z, Zhao J. Simultaneously Improving Dielectric and Mechanical Properties of Crown Ether/Fluorinated Polyimide Films with Necklace‐Like Supramolecular Structure. MACROMOL CHEM PHYS 2020. [DOI: 10.1002/macp.202000256] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Affiliation(s)
- Shumei Liu
- School of Materials Science and Engineering South China University of Technology Guangzhou Guangdong 510640 China
- The Key Laboratory of Polymer Processing Engineering Ministry of Education Guangzhou Guangdong 510640 China
| | - Qi Feng
- School of Materials Science and Engineering South China University of Technology Guangzhou Guangdong 510640 China
| | - Yang Li
- School of Materials Science and Engineering South China University of Technology Guangzhou Guangdong 510640 China
| | - Zhigeng Chen
- School of Materials Science and Engineering South China University of Technology Guangzhou Guangdong 510640 China
- The Key Laboratory of Polymer Processing Engineering Ministry of Education Guangzhou Guangdong 510640 China
| | - Jianqing Zhao
- School of Materials Science and Engineering South China University of Technology Guangzhou Guangdong 510640 China
- The Key Laboratory of Polymer Processing Engineering Ministry of Education Guangzhou Guangdong 510640 China
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7
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Multifunctional polyimides by direct silyl ether reaction of pendant hydroxy groups: Toward low dielectric constant, high optical transparency and fluorescence. Eur Polym J 2020. [DOI: 10.1016/j.eurpolymj.2020.109742] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2022]
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8
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Soluble Polyimide-reinforced TGDDM and DGEBA Epoxy Composites. CHINESE JOURNAL OF POLYMER SCIENCE 2020. [DOI: 10.1007/s10118-020-2395-9] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
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9
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Wu M, Xu J, Bai S, Chen X, Yu X, Naito K, Zhang Z, Zhang Q. A high-performance functional phthalonitrile resin with a low melting point and a low dielectric constant. SOFT MATTER 2020; 16:1888-1896. [PMID: 31994579 DOI: 10.1039/c9sm02328c] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/10/2023]
Abstract
A monomer of fluorinated phthalonitrile, namely 4,4'-bis(p-perfluoro-phenol-(bis(p-phenol)propane-2,2-diyl)-p-oxy-diphthalonitrile) (PBDP), was synthesized by the nucleophilic substitution reaction of bisphenol A, decafluorobiphenyl and 4-nitrophthalonitrile. The structure of the monomer was characterized by nuclear magnetic resonance (NMR) spectroscopy and Fourier transform infrared (FTIR) spectroscopy. The results indicated that the PBDP monomer was synthesized successfully. The monomer was cured in the presence of 4-(aminophenoxy)phthalonitrile (APPH) and the curing behaviour was investigated by differential scanning calorimetry (DSC), suggesting a low melting point of 96 °C and an excellent processing window (96-262 °C). Thermogravimetric analysis (TGA) and dynamic mechanical analysis (DMA) showed that the fluorinated phthalonitrile resin possessed outstanding thermal and thermo-oxidative stabilities as well as good mechanical properties. The glass transition temperature was >400 °C and the 5% thermal degradation temperature was 501 °C. When the frequency was 50 MHz, the dielectric constant and dielectric loss of the polymer were 2.84 and 0.007, respectively. The PBDP resin has ultra-low water absorption of 0.77% and 1.4%, when exposed to an aqueous environment for 50 days at 24 °C and for 24 h at 100 °C, respectively. The prepared PBDP resin with outstanding thermal stability and low dielectric constant is an ideal candidate for aerospace industries, and microelectronic and other electronic packaging materials.
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Affiliation(s)
- Minjie Wu
- Hebei Key Laboratory of Functional Polymers, School of Chemical Engineering and Technology, Hebei University of Technology, Tianjin 300130, China.
| | - Jianjun Xu
- Hebei Key Laboratory of Functional Polymers, School of Chemical Engineering and Technology, Hebei University of Technology, Tianjin 300130, China.
| | - Shengnan Bai
- Hebei Key Laboratory of Functional Polymers, School of Chemical Engineering and Technology, Hebei University of Technology, Tianjin 300130, China.
| | - Xinggang Chen
- Hebei Key Laboratory of Functional Polymers, School of Chemical Engineering and Technology, Hebei University of Technology, Tianjin 300130, China.
| | - Xiaoyan Yu
- Hebei Key Laboratory of Functional Polymers, School of Chemical Engineering and Technology, Hebei University of Technology, Tianjin 300130, China.
| | - Kimiyoshi Naito
- National Institute for Materials Science (NIMS), 1-2-1 Sengen, Tsukuba 305-0047, Japan
| | - Zhenjiang Zhang
- College of Chemistry and Materials Science, Ludong University, Yantai, 264025, China
| | - Qingxin Zhang
- Hebei Key Laboratory of Functional Polymers, School of Chemical Engineering and Technology, Hebei University of Technology, Tianjin 300130, China. and Tianjin Key Laboratory of Materials Laminating Fabrication and Interface Control Technology, Hebei University of Technology, Tianjin 300130, China
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10
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Transparent, High Glass-Transition Temperature, Shape Memory Hybrid Polyimides Based on Polyhedral Oligomeric Silsesquioxane. Polymers (Basel) 2019; 11:polym11061058. [PMID: 31216710 PMCID: PMC6631720 DOI: 10.3390/polym11061058] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/29/2019] [Revised: 06/13/2019] [Accepted: 06/14/2019] [Indexed: 11/17/2022] Open
Abstract
Optically transparent polyimides with excellent thermal stability and shape memory effect have potential applications in optoelectronic devices and aerospace industries. A series of optically transparent shape memory polyimide hybrid films are synthesized from 2,2-bis(3,4-dicarboxyphenyl)hexafluoropropane dianhydride (6FDA) and 2,2′-bis-(trifluoromethyl)biphenyl-4,4′-diamine (TFMB) with various polyhedral oligomeric silsesquioxane (POSS) contents and then subjected to thermal imidization. The hybrid films show good optical transparency (>80% at 400 nm and >95% at 500 nm) with cutoff wavelengths ranging from 318 to 336 nm. Following the incorporation of the inorganic POSS structure, the hybrid films exhibit excellent thermal stability with glass transition temperature (Tg) ranging from 351 to 372 °C. The hybrid films possess the highest Tg compared with the previously-reported shape memory polymers. These findings show that POSS is successfully utilized to develop transparent polyimides with excellent thermal stability and shape memory effect.
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11
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Mi Z, Wang S, Hou Z, Liu Z, Jin S, Wang X, Wang D, Zhao X, Zhang Y, Zhou H, Chen C. Soluble Polyimides Bearing ( cis, trans)-Hydrogenated Bisphenol A and ( trans, trans)-Hydrogenated Bisphenol A Moieties: Synthesis, Properties and the Conformational Effect. Polymers (Basel) 2019; 11:polym11050854. [PMID: 31083394 PMCID: PMC6571896 DOI: 10.3390/polym11050854] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/14/2019] [Revised: 05/05/2019] [Accepted: 05/07/2019] [Indexed: 01/25/2023] Open
Abstract
In this work, hydrogenated bisphenol A (HBPA) based dinitro mixed isomers (1a′ and 1a) were synthesized and separated via vacuum distillation under the monitor of DSC and 1H NMR. Corresponding diamines (2a′ and 2a) were separately polycondensed with five commercial dianhydrides via a two-step thermal imidization to obtain PI-(1′-5′) and PI-(1-5). All the polyimides could afford flexible, tough, and transparent films, and most of them were readily soluble not only in common polar solvents like DMAc, but also in low boiling point solvents such as chloroform. 1H NMR spectra of the polyimides demonstrated that HBPA moiety showed no conformation changes during the preparation of polymers. For a given dianhydride, PI-(1-5) exhibited better thermal stability than that of PI-(1′-5′), this can be attributed that the equatorial, equatorial C–O in PI-(1-5) promoted denser and more regular molecular chain stacking, as can be evidenced by the WAXD and geometric optimization results. Additionally, when the dianhydride was ODPA, BPADA or 6FDA, no apparent difference was found in either the transmittance or solubility between two series of polyimides, which could be attributed that twisted and flexible ether linkages, as well as bulky substituents, led to the “already weakened” inter- and intramolecular CT interaction and cohesive force. However, when it came to rigid and stiff dianhydride, e.g., BPDA, PI-3′ took an obvious advantage over PI-3 in transmittance and solubility, which was possibly owed to the larger molecular chain d-spacing imparted by equatorial, axial C–O. An overall investigation of PI-(1′-5′) and PI-(1-5) on aspects of thermal, mechanical, morphological, soluble and optical performance values was carried out, and the conformation effects of HBPA isomers on the properties of two series of polyimides were discussed in detail.
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Affiliation(s)
- Zhiming Mi
- Key Laboratory of High Performance Plastics (Jilin University), Ministry of Education. National & Local Joint Engineering Laboratory for Synthesis Technology of High Performance Polymer. College of Chemistry, Jilin University, Changchun 130012, China.
| | - Shuai Wang
- Key Laboratory of High Performance Plastics (Jilin University), Ministry of Education. National & Local Joint Engineering Laboratory for Synthesis Technology of High Performance Polymer. College of Chemistry, Jilin University, Changchun 130012, China.
| | - Ziwen Hou
- Key Laboratory of High Performance Plastics (Jilin University), Ministry of Education. National & Local Joint Engineering Laboratory for Synthesis Technology of High Performance Polymer. College of Chemistry, Jilin University, Changchun 130012, China.
| | - Zhixiao Liu
- Key Laboratory of High Performance Plastics (Jilin University), Ministry of Education. National & Local Joint Engineering Laboratory for Synthesis Technology of High Performance Polymer. College of Chemistry, Jilin University, Changchun 130012, China.
| | - Sizhuo Jin
- Key Laboratory of High Performance Plastics (Jilin University), Ministry of Education. National & Local Joint Engineering Laboratory for Synthesis Technology of High Performance Polymer. College of Chemistry, Jilin University, Changchun 130012, China.
| | - Xiaowen Wang
- Key Laboratory of High Performance Plastics (Jilin University), Ministry of Education. National & Local Joint Engineering Laboratory for Synthesis Technology of High Performance Polymer. College of Chemistry, Jilin University, Changchun 130012, China.
| | - Daming Wang
- Key Laboratory of High Performance Plastics (Jilin University), Ministry of Education. National & Local Joint Engineering Laboratory for Synthesis Technology of High Performance Polymer. College of Chemistry, Jilin University, Changchun 130012, China.
| | - Xiaogang Zhao
- Key Laboratory of High Performance Plastics (Jilin University), Ministry of Education. National & Local Joint Engineering Laboratory for Synthesis Technology of High Performance Polymer. College of Chemistry, Jilin University, Changchun 130012, China.
| | - Yumin Zhang
- College of Chemistry, Jilin University, Changchun 130012, China.
| | - Hongwei Zhou
- Key Laboratory of High Performance Plastics (Jilin University), Ministry of Education. National & Local Joint Engineering Laboratory for Synthesis Technology of High Performance Polymer. College of Chemistry, Jilin University, Changchun 130012, China.
| | - Chunhai Chen
- Key Laboratory of High Performance Plastics (Jilin University), Ministry of Education. National & Local Joint Engineering Laboratory for Synthesis Technology of High Performance Polymer. College of Chemistry, Jilin University, Changchun 130012, China.
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Wang S, Ma S, He H, Ai W, Wang D, Zhao X, Chen C. Aromatic polyimides containing pyridine and spirocyclic units: Preparation, thermal and gas separation properties. POLYMER 2019. [DOI: 10.1016/j.polymer.2019.02.046] [Citation(s) in RCA: 17] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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13
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Wei X, Hu H, Li X, Yin Q, Fan L, Huang Y, Yang J. Materials containing benzocyclobutene units with low dielectric constant and good thermostability prepared from star-shaped molecules. J Appl Polym Sci 2019. [DOI: 10.1002/app.47458] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Affiliation(s)
- Xuelian Wei
- State Key Laboratory of Environmental-Friendly Energy Materials, School of Material Science and Engineering; Southwest University of Science and Technology; Mianyang 621010 China
| | - Huan Hu
- State Key Laboratory of Environmental-Friendly Energy Materials, School of Material Science and Engineering; Southwest University of Science and Technology; Mianyang 621010 China
| | - Xian Li
- State Key Laboratory of Environmental-Friendly Energy Materials, School of Material Science and Engineering; Southwest University of Science and Technology; Mianyang 621010 China
| | - Qiang Yin
- Research Center of Laser Fusion; China Academy of Engineering Physics; Mianyang 621900 China
| | - Li Fan
- State Key Laboratory of Environmental-Friendly Energy Materials, School of Material Science and Engineering; Southwest University of Science and Technology; Mianyang 621010 China
| | - Yawen Huang
- State Key Laboratory of Environmental-Friendly Energy Materials, School of Material Science and Engineering; Southwest University of Science and Technology; Mianyang 621010 China
| | - Junxiao Yang
- State Key Laboratory of Environmental-Friendly Energy Materials, School of Material Science and Engineering; Southwest University of Science and Technology; Mianyang 621010 China
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14
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Tapaswi PK, Ha CS. Recent Trends on Transparent Colorless Polyimides with Balanced Thermal and Optical Properties: Design and Synthesis. MACROMOL CHEM PHYS 2019. [DOI: 10.1002/macp.201800313] [Citation(s) in RCA: 81] [Impact Index Per Article: 16.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Affiliation(s)
- Pradip Kumar Tapaswi
- Narasinha Dutt College; University of Calcutta; Kolkata 711101 West Bengal India
| | - Chang-Sik Ha
- Department of Polymer Science and Engineering; Pusan National University; Busan 46241 Republic of Korea
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15
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Ahmadi M, Rad-Moghadam K, Hatami M. From Parkinson's chemotropic agent l-dopa to thermally resistive carbonaceous nanocomposite of a new catechol-grafted poly(amide-imide). POLYMER 2018. [DOI: 10.1016/j.polymer.2018.06.053] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
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16
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Transparent and soluble polyimide films from 1,4:3,6-dianhydro-D-mannitol based dianhydride and diamines containing aromatic and semiaromatic units: Preparation, characterization, thermal and mechanical properties. Polym Degrad Stab 2018. [DOI: 10.1016/j.polymdegradstab.2018.01.006] [Citation(s) in RCA: 28] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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17
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Song N, Shi K, Yu H, Yao H, Ma T, Zhu S, Zhang Y, Guan S. Decreasing the dielectric constant and water uptake of co-polyimide films by introducing hydrophobic cross-linked networks. Eur Polym J 2018. [DOI: 10.1016/j.eurpolymj.2018.02.024] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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18
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Liu Z, Shen Y, Li X, Shi Q, Liu B, Matsumoto T. Synthesis and properties of the novel polyimides containing cyano and biphenyl moieties. HIGH PERFORM POLYM 2017. [DOI: 10.1177/0954008317744033] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Abstract
A series of cyano-functionalized polyimides (CN-PIs) were prepared and derived from a novel diamine monomer having cyano and biphenyl groups. Meanwhile, another series of PIs without cyano groups (H-PIs) were prepared as counterparts for comparison purposes. Both series of PIs exhibited good solvent resistance, good thermal stability, remarkable film-forming ability, and excellent tensile properties. The Tg values of CN-PIs were 260–330°C, which were 10–17°C higher than the corresponding –CN free H-PIs. The CN-PIs exhibited no obvious decomposition below 470°C, and their 5% weight loss temperatures were above 568°C under nitrogen atmosphere. All the CN-PI films had high tensile strength and Young’s moduli, which were related to their rigid backbones and strong interactions between molecular chains. Due to their higher molar polarization, CN-PIs expressed the higher dielectric constants (3.29–3.69 at 1 MHz) in comparison with the corresponding H-PIs. CN-PIs exhibited the improved transparency, and both CN-PIs and H-PIs had better transparency than commercial Kapton® film. Introducing –CN groups could have an effect on the coefficient of thermal expansion and peel strength of the PIs. The peel strength of the PI, which was derived from cyano-functionalized diamine monomer and 4,4′-oxydiphthalic anhydride, could even reach 1.10 N mm-1, suggesting its strong interaction to copper matrix and potential use in flexible circuit board.
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Affiliation(s)
- Zhenchao Liu
- National and Local Joint Engineering Laboratory for Synthesis Technology of High Performance Polymers; Key Laboratory of High Performance Plastics, Ministry of Education; College of Chemistry, Jilin University, Changchun, People’s Republic of China
| | - Yanchao Shen
- National and Local Joint Engineering Laboratory for Synthesis Technology of High Performance Polymers; Key Laboratory of High Performance Plastics, Ministry of Education; College of Chemistry, Jilin University, Changchun, People’s Republic of China
| | - Xiaobai Li
- National and Local Joint Engineering Laboratory for Synthesis Technology of High Performance Polymers; Key Laboratory of High Performance Plastics, Ministry of Education; College of Chemistry, Jilin University, Changchun, People’s Republic of China
| | - Qiang Shi
- State Key Laboratory of Polymer Physics and Chemistry, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun, People’s Republic of China
| | - Baijun Liu
- National and Local Joint Engineering Laboratory for Synthesis Technology of High Performance Polymers; Key Laboratory of High Performance Plastics, Ministry of Education; College of Chemistry, Jilin University, Changchun, People’s Republic of China
| | - Toshihiko Matsumoto
- Center for Nano Science and Technology, Tokyo Polytechnic University, Atsugi, Kanagawa, Japan
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19
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Chen Z, Huang H, Yan S, Zheng Z, Liu S, Yuan Y, Zhao J, Fu Y. New Synthetic Approach of Fluorine-Containing Graphene Oxide for Improving Dielectric and Mechanical Properties of Polyimide Composites. Ind Eng Chem Res 2017. [DOI: 10.1021/acs.iecr.7b02183] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Zhigeng Chen
- School
of Materials Science and Engineering, South China University of Technology, Guangzhou, Guangdong 510640, China
| | - Haohao Huang
- School
of Materials Science and Engineering, South China University of Technology, Guangzhou, Guangdong 510640, China
| | - Shijing Yan
- School
of Materials Science and Engineering, South China University of Technology, Guangzhou, Guangdong 510640, China
| | - Zhanping Zheng
- School
of Materials Science and Engineering, South China University of Technology, Guangzhou, Guangdong 510640, China
| | - Shumei Liu
- School
of Materials Science and Engineering, South China University of Technology, Guangzhou, Guangdong 510640, China
| | - Yanchao Yuan
- School
of Materials Science and Engineering, South China University of Technology, Guangzhou, Guangdong 510640, China
| | - Jianqing Zhao
- School
of Materials Science and Engineering, South China University of Technology, Guangzhou, Guangdong 510640, China
| | - Yi Fu
- Silverage Engineering
Plastics (Dongguan) Co., Ltd, Dongguan 523187, China
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20
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Yao J, Wang C, Tian C, Zhao X, Zhou H, Wang D, Chen C. Highly optical transparency and thermally stable polyimides containing pyridine and phenyl pendant. Des Monomers Polym 2017; 20:449-457. [PMID: 29491816 PMCID: PMC5784878 DOI: 10.1080/15685551.2017.1351766] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/20/2017] [Accepted: 07/01/2017] [Indexed: 11/28/2022] Open
Abstract
In order to obtain highly optical transparency polyimides, two novel aromatic diamine monomers containing pyridine and kinky structures, 1,1-bis[4-(5-amino-2-pyridinoxy)phenyl]diphenylmethane (BAPDBP) and 1,1-bis[4-(5-amino-2-pyridinoxy)phenyl]-1-phenylethane (BAPDAP), were designed and synthesized. Polyimides based on BAPDBP, BAPDAP, 2,2-bis[4-(5-amino-2-pyridinoxy)phenyl]propane (BAPDP) with various commercial dianhydrides were prepared for comparison and structure-property relationships study. The structures of the polyimides were characterized by Fourier transform infrared (FT-IR) spectrometer, wide-angle X-ray diffractograms (XRD) and elemental analysis. Film properties including solubility, optical transparency, water uptake, thermal and mechanical properties were also evaluated. The introduction of pyridine and kinky structure into the backbones that polyimides presented good optical properties with 91-97% transparent at 500 nm and a low cut-off wavelength at 353-398 nm. Moreover, phenyl pendant groups of the polyimides showed high glass transition temperatures (Tg ) in the range of 257-281 °C. These results suggest that the incorporating pyridine, kinky and bulky substituents to polymer backbone can improve the optical transparency effectively without sacrificing the thermal properties.
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Affiliation(s)
- Jianan Yao
- National & Local Joint Engineering Laboratory for Synthesis Technology of High Performance Polymer, Key Laboratory of High Performance Plastics, Ministry of Education, College of Chemistry, Jilin University, Changchun, P. R. China
| | - Chunbo Wang
- National & Local Joint Engineering Laboratory for Synthesis Technology of High Performance Polymer, Key Laboratory of High Performance Plastics, Ministry of Education, College of Chemistry, Jilin University, Changchun, P. R. China
| | - Chengshuo Tian
- National & Local Joint Engineering Laboratory for Synthesis Technology of High Performance Polymer, Key Laboratory of High Performance Plastics, Ministry of Education, College of Chemistry, Jilin University, Changchun, P. R. China
| | - Xiaogang Zhao
- National & Local Joint Engineering Laboratory for Synthesis Technology of High Performance Polymer, Key Laboratory of High Performance Plastics, Ministry of Education, College of Chemistry, Jilin University, Changchun, P. R. China
| | - Hongwei Zhou
- National & Local Joint Engineering Laboratory for Synthesis Technology of High Performance Polymer, Key Laboratory of High Performance Plastics, Ministry of Education, College of Chemistry, Jilin University, Changchun, P. R. China
| | - Daming Wang
- National & Local Joint Engineering Laboratory for Synthesis Technology of High Performance Polymer, Key Laboratory of High Performance Plastics, Ministry of Education, College of Chemistry, Jilin University, Changchun, P. R. China
| | - Chunhai Chen
- National & Local Joint Engineering Laboratory for Synthesis Technology of High Performance Polymer, Key Laboratory of High Performance Plastics, Ministry of Education, College of Chemistry, Jilin University, Changchun, P. R. China
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21
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Hu J, Wang Z, Lu Z, Chen C, Shi M, Wang J, Zhao E, Zeng K, Yang G. Bio-based adenine-containing high performance polyimide. POLYMER 2017. [DOI: 10.1016/j.polymer.2017.05.012] [Citation(s) in RCA: 33] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
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22
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Guan Y, Dong W, Wang C, Shang D. Highly refractive polyimides containing pyridine and sulfur units: synthesis and thermal, mechanical, solubility and optical properties. POLYM INT 2017. [DOI: 10.1002/pi.5359] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Affiliation(s)
- Yue Guan
- School of Life Science; Liaoning Normal University; Dalian China
| | - Weibing Dong
- School of Life Science; Liaoning Normal University; Dalian China
- Liaoning Provincial Key Laboratory of Biotechnology and Drug Discovery; Liaoning Normal University; Dalian China
- State Key Laboratory of Fine Chemicals; Dalian University of Technology; Dalian China
| | - Che Wang
- Department of Pharmacy, School of Chemistry and Chemical Engineering; Liaoning Normal University; Dalian China
| | - Dejing Shang
- School of Life Science; Liaoning Normal University; Dalian China
- Liaoning Provincial Key Laboratory of Biotechnology and Drug Discovery; Liaoning Normal University; Dalian China
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23
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Song G, Wang L, Liu D, Yao J, Cao Y. Gas transport properties of polyimide membranes bearing phenyl pendant group. HIGH PERFORM POLYM 2017. [DOI: 10.1177/0954008316685411] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
Polyimides (PIs) with single phenyl pendant substitution were prepared based on three diamines containing phenyl pendant group, namely, 2,5-bis(4-aminophenoxy) biphenyl, 2-phenyl-4,4′-diaminodiphenyl ether, and 2,5-diaminobiphenyl (p-PDA), with the dianhydride component of 4,4′-(hexafluoroisopropylidene)diphthalic anhydride (6FDA) and 3,3′,4,4′-biphenyltetracarboxylic dianhydride, respectively. The physical properties of the membranes were examined, including thermal properties, fractional free volume ( FFV), solubility, and morphological structures, and were compared with the analogues without phenyl pendant. Gas transport properties of the membranes were investigated and discussed from the viewpoint of structure–property relationship. For 6FDA-derived PI membranes, gas permeability increased as the degree of PI backbone rigidity leveled up. Gas transport properties were not improved by the incorporation of phenyl pendant group for 6FDA type containing ether linkage and marginally improved as compared between PI (6FDA/p-PDA) and PI (6FDA/p-phenylenediamine (PDA)). To increase the phenyl substitution density of 6FDA/PDA-type backbone, a novel diamine bearing two phenyl pendant groups, that is, 2,6-diphenyl-1,4-diaminobenzene (p, p′-PDA) was synthesized, and PI derived from 6FDA and p, p′-PDA was prepared. The gas permeability coefficients of PI (6FDA/p, p′-PDA) were remarkably larger than those of PI (6FDA/p-PDA) and PI (6FDA/PDA).
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Affiliation(s)
- Guangliang Song
- Dalian National Laboratory for Clean Energy (DNL), Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian, China
| | - Lina Wang
- Dalian National Laboratory for Clean Energy (DNL), Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian, China
| | - Dandan Liu
- Dalian National Laboratory for Clean Energy (DNL), Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian, China
| | - Jianan Yao
- Alan G. MacDiarmid Institute of Jilin University, Changchun, China
| | - Yiming Cao
- Dalian National Laboratory for Clean Energy (DNL), Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian, China
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24
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Wu F, Zhou X, Yu X. Synthesis and characterization of novel star-branched polyimides derived from 2,2-bis[4-(2,4-diaminophenoxy)phenyl]hexafluoropropane. RSC Adv 2017. [DOI: 10.1039/c7ra05643e] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
A series of novel star-branched fluorinated polyimides was synthesized from anhydride-terminated linear poly(amide acid)s and aromatic fluorinated tetramine BDAPFP.
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Affiliation(s)
- Feng Wu
- College of Chemistry, Chemical Engineering and Biotechnology
- Donghua University
- Shanghai 201620
- P. R. China
| | - Xingping Zhou
- College of Chemistry, Chemical Engineering and Biotechnology
- Donghua University
- Shanghai 201620
- P. R. China
| | - Xinhai Yu
- College of Chemistry, Chemical Engineering and Biotechnology
- Donghua University
- Shanghai 201620
- P. R. China
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25
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Hu X, Yan J, Wang Y, Mu H, Wang Z, Cheng H, Zhao F, Wang Z. Colorless polyimides derived from 2R,5R,7S,10S-naphthanetetracarboxylic dianhydride. Polym Chem 2017. [DOI: 10.1039/c7py01048f] [Citation(s) in RCA: 42] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Colorless polyimides with excellent thermal and mechanical properties were developed from 2R,5R,7S,10S-naphthanetetracarboxylic dianhydride, and their properties were systematically compared with those based on 1S,2R,4S,5R-cyclohexanetetracarboxylic dianhydride.
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Affiliation(s)
- Xiaofan Hu
- Laboratory of Polymer Composites Engineering
- Changchun Institute of Applied Chemistry
- Chinese Academy of Sciences
- Changchun
- China
| | - Jingling Yan
- Laboratory of Polymer Composites Engineering
- Changchun Institute of Applied Chemistry
- Chinese Academy of Sciences
- Changchun
- China
| | - Yongxia Wang
- Laboratory of Polymer Composites Engineering
- Changchun Institute of Applied Chemistry
- Chinese Academy of Sciences
- Changchun
- China
| | - Hongliang Mu
- Laboratory of Polymer Composites Engineering
- Changchun Institute of Applied Chemistry
- Chinese Academy of Sciences
- Changchun
- China
| | - Zikun Wang
- Laboratory of Polymer Composites Engineering
- Changchun Institute of Applied Chemistry
- Chinese Academy of Sciences
- Changchun
- China
| | - Haiyang Cheng
- Laboratory of Green Chemistry and Process
- Changchun Institute of Applied Chemistry
- Chinese Academy of Sciences
- Changchun 130022
- China
| | - Fengyu Zhao
- Laboratory of Green Chemistry and Process
- Changchun Institute of Applied Chemistry
- Chinese Academy of Sciences
- Changchun 130022
- China
| | - Zhen Wang
- Laboratory of Polymer Composites Engineering
- Changchun Institute of Applied Chemistry
- Chinese Academy of Sciences
- Changchun
- China
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26
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Song G, Wang L, Liu D, Yao J, Cao Y. Gas transport properties of polyimide membranes based on triphenylamine unit. HIGH PERFORM POLYM 2016. [DOI: 10.1177/0954008316681061] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Abstract
A series of polyimide (PI) membranes were prepared based on three triphenylamine-based diamines, namely 4,4′-diaminotriphenylamine, 4,4′-diamino-3′′,5′′-dimethyltriphenylamine, and 4,4′-diamino-3′′,5′′-ditrifluoromethyltriphenylamine, via thermal imidization procedure. The PI membranes displayed good thermal properties, with glass transition temperatures of 279–341°C and 5% weight loss temperatures above 515°C under a nitrogen atmosphere. The gas permeation properties of the membranes were investigated and interpreted from the viewpoint of the PI backbone structure. The gas permeation coefficients increased as the substituent pendant groups at the 3′′,5′′ positions of the triphenylamine varied from –H to –CH3 and –CF3, and the permselectivity of gas pairs (including hydrogen/nitrogen (N2), oxygen/N2, carbon dioxide (CO2)/N2, and CO2/methane) decreased in this order. The diffusion coefficients and solubility coefficients were calculated, and the results revealed the variation of the substituted triphenylamine units principally influenced the diffusion coefficients, indicating that the substituted triphenylamine affected the gas transport properties by “diffusivity-controlled” modification.
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Affiliation(s)
- Guangliang Song
- Dalian National Laboratory for Clean Energy, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian, China
| | - Lina Wang
- Dalian National Laboratory for Clean Energy, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian, China
| | - Dandan Liu
- Dalian National Laboratory for Clean Energy, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian, China
| | - Jianan Yao
- Alan G. MacDiarmid Institute, College of Chemistry, Jilin University, Changchun, China
| | - Yiming Cao
- Dalian National Laboratory for Clean Energy, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian, China
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27
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Carja ID, Serbezeanu D, Bruma M, Ronova IA, Belomoina NM. Influence of conformational parameters on physical properties of copolyimides containing pendant diphenylphosphine oxide units. Struct Chem 2016. [DOI: 10.1007/s11224-016-0765-2] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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28
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Li Z, Wen Y, Wang Y, Zhu S. Highly transparent and organosoluble polyimides derived from 2,2′-bis[4-(5-amino-2-pyridinoxy) phenyl] propane. HIGH PERFORM POLYM 2016. [DOI: 10.1177/0954008316632291] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Abstract
Two new isomers containing pyridine ring diamine monomers, 2,2′-bis[4-(5-amino-2-pyridinoxy)phenyl] propane (1b) and 2,2′-bis[4-(6-amino-3-pyridinoxy)phenyl] propane (2b), were prepared via a simple nucleophilic reaction of 2-chloro-5-nitropyridine and 5-bromo-2-nitropyridine with bisphenol A in the presence of potassium carbonate, respectively. A series of polyimides (PIs) were obtained from the heterocyclic diamine with various commercially available aromatic dianhydrides via the conventional two-step method. These obtained PIs were investigated in aspects of their solubility, thermal, mechanical, and optical properties for studying the effects of the heteroaromatic rings into the main chain. At the same time, the impact of the two isomers introduced into the PI was discussed in detail.
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29
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Cao X, Song Y, Matsumoto T, Liu B. Synthesis and properties of cyano group–containing polyimides with high peel strength. HIGH PERFORM POLYM 2016. [DOI: 10.1177/0954008315611469] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
Abstract
In order to investigate the effect of cyano groups (–CN) on the properties of the polymers, two series of polyimides (PIs) based on a –CN-containing diamine monomer and a diamine monomer without –CN group were synthesized and characterized, respectively. After studying the structure–property relationships of these polymers, it was found that some properties could be greatly improved with the incorporation of –CN groups. Firstly, the tensile test showed that the –CN-containing polymeric films had higher tensile strength and Young’s moduli. The tensile strength and the Young’s modulus of 4,4′-(hexafluoroisopropylidene) diphthalic with –CN groups anhydride reached 154.1 MPa and 1.66 GPa, respectively. Secondly, thermogravimetric analysis results revealed that the –CN-containing polymers (CN-PI polymers) had good thermal stability and exhibited no decomposition below 470°C under nitrogen atmosphere. Thirdly, the dielectric constants of the CN-PI polymers were in the range of 3.67–3.84 at 10 MHz, which had an increase of 0.5 in comparison with the corresponding PIs without –CN groups. Fourthly, the CN-PI polymers had higher peel strength to copper foils. The peel strength of 4,4′-biphenyltetracarboxylic dianhydride-containing –CN groups could reach 1.28 N mm−1, suggesting its strong interaction to copper matrix and the potential use in flexibility circuit board. Finally, all the films showed better optical transparency compared with DuPont’s Kapton® film.
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Affiliation(s)
- Xueying Cao
- Alan G. MacDiarmid Institute, Jilin University, Changchun, People’s Republic of China
| | - Yang Song
- Catalysis Research Center, Department of Chemistry, Technical University of Munich, Garching, Germany
| | - Toshihiko Matsumoto
- Center for Nano Science and Technology, Tokyo Polytechnic University, Atsugi, Kanagawa, Japan
| | - Baijun Liu
- Alan G. MacDiarmid Institute, Jilin University, Changchun, People’s Republic of China
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30
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Grabiec E, Kotowicz S, Siwy M, Grucela M, Schab-Balcerzak E. Effect of Backbone Variation on Properties of Fluorinated Polyimides toward Optoelectronic Applications. MACROMOL CHEM PHYS 2016. [DOI: 10.1002/macp.201600022] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Affiliation(s)
- Eugenia Grabiec
- Centre of Polymer and Carbon Materials; Polish Academy of Sciences; 34 M. Curie-Sklodowska Str. 41-819 Zabrze Poland
| | - Sonia Kotowicz
- Institute of Chemistry; University of Silesia; 9 Szkolna Str. 40-006 Katowice Poland
| | - Mariola Siwy
- Centre of Polymer and Carbon Materials; Polish Academy of Sciences; 34 M. Curie-Sklodowska Str. 41-819 Zabrze Poland
| | - Marzena Grucela
- Centre of Polymer and Carbon Materials; Polish Academy of Sciences; 34 M. Curie-Sklodowska Str. 41-819 Zabrze Poland
- Institute of Chemistry; University of Silesia; 9 Szkolna Str. 40-006 Katowice Poland
| | - Ewa Schab-Balcerzak
- Centre of Polymer and Carbon Materials; Polish Academy of Sciences; 34 M. Curie-Sklodowska Str. 41-819 Zabrze Poland
- Institute of Chemistry; University of Silesia; 9 Szkolna Str. 40-006 Katowice Poland
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31
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Shang Z, Yang L, Chang G. Soluble N-substituted poly(benzimidazole imide)s via C−N coupling reaction. POLYM INT 2016. [DOI: 10.1002/pi.5060] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Affiliation(s)
- Zhenfang Shang
- State Key Laboratory Cultivation Base for Nonmetal Composite and Functional Materials and School of Materials Science and Engineering; Southwest University of Science and Technology; Mianyang 621010 People's Republic of China
| | - Li Yang
- State Key Laboratory Cultivation Base for Nonmetal Composite and Functional Materials and School of Materials Science and Engineering; Southwest University of Science and Technology; Mianyang 621010 People's Republic of China
| | - Guanjun Chang
- State Key Laboratory Cultivation Base for Nonmetal Composite and Functional Materials and School of Materials Science and Engineering; Southwest University of Science and Technology; Mianyang 621010 People's Republic of China
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32
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Dong W, Guan Y, Shang D. Novel soluble polyimides containing pyridine and fluorinated units: preparation, characterization, and optical and dielectric properties. RSC Adv 2016. [DOI: 10.1039/c6ra00322b] [Citation(s) in RCA: 29] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022] Open
Abstract
To acquire low dielectric constant polyimide films with good mechanical and thermal properties and low CTE applied in microelectronic fields, three novel polyimides containing pyridine and –C(CF3)2– groups were firstly designed and synthesized.
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Affiliation(s)
- Weibing Dong
- School of Life Science
- Liaoning Normal University
- Dalian 116081
- China
- Liaoning Provincial Key Laboratory of Biotechnology and Drug Discovery
| | - Yue Guan
- School of Life Science
- Liaoning Normal University
- Dalian 116081
- China
- Liaoning Provincial Key Laboratory of Biotechnology and Drug Discovery
| | - Dejing Shang
- School of Life Science
- Liaoning Normal University
- Dalian 116081
- China
- Liaoning Provincial Key Laboratory of Biotechnology and Drug Discovery
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33
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Synthesis and characterization of highly-fluorinated colorless polyimides derived from 4,4′-((perfluoro-[1,1′-biphenyl]-4,4′-diyl)bis(oxy))bis(2,6-dimethylaniline) and aromatic dianhydrides. POLYMER 2015. [DOI: 10.1016/j.polymer.2015.09.019] [Citation(s) in RCA: 64] [Impact Index Per Article: 7.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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34
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Huang X, Mei M, Liu C, Pei X, Wei C. Synthesis and characterization of novel highly soluble and optical transparent polyimides containing tert-butyl and morpholinyl moieties. JOURNAL OF POLYMER RESEARCH 2015. [DOI: 10.1007/s10965-015-0820-5] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
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35
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Constantin CP, Damaceanu MD, Varganici C, Wolinska-Grabczyk A, Bruma M. Dielectric and gas transport properties of highly fluorinated polyimides blends. HIGH PERFORM POLYM 2015. [DOI: 10.1177/0954008315584181] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Abstract
The physicochemical properties of highly fluorinated polyimide blends were studied in order to highlight the advantages of employing a high content of fluorine atoms to tailor the properties of polyimide materials. Thus, dynamo-mechanical analysis was used to evidence the physical phenomena taking place during heating. The trend of storage modulus, loss modulus and loss factor tangent with temperature during and after the α relaxation was explored. The dielectric spectroscopy was carried out to investigate the dielectric behaviour at different temperatures and frequencies and to evaluate the values of dielectric constant, dielectric loss and electrical resistance. The dielectric spectroscopy data were corroborated with the dynamo-mechanical analysis to highlight the sub-glass transitions encountered in these blend films. Dielectric loss diagrams showed sub-glass transitions in the form of γ and β relaxations mainly due to the segmental mobility of the polymer chain components. The gas separation performance of some of the investigated blends was assesed, and their ability to achieve simultaneously higher gas permeability and higher selectivity was demonstrated.
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Affiliation(s)
| | | | | | | | - Maria Bruma
- “Petru Poni” Institute of Macromolecular Chemistry, Iasi, Romania
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36
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Hu H, Liu L, Li Z, Zhao C, Huang Y, Chang G, Yang J. Benzocyclobutene/vinylphenyl-introduced polycarbosilanes with low dielectric constant, high temperature performance and photopatternability. POLYMER 2015. [DOI: 10.1016/j.polymer.2015.04.028] [Citation(s) in RCA: 30] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
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37
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Guan Y, Wang C, Wang D, Dang G, Chen C, Zhou H, Zhao X. High transparent polyimides containing pyridine and biphenyl units: Synthesis, thermal, mechanical, crystal and optical properties. POLYMER 2015. [DOI: 10.1016/j.polymer.2015.02.009] [Citation(s) in RCA: 58] [Impact Index Per Article: 6.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
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