1
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Glaskova-Kuzmina T, Dejus D, Jātnieks J, Vīndedze E, Bute I, Sevcenko J, Aniskevich A, Stankevich S, Boobani B. The Tensile, Thermal and Flame-Retardant Properties of Polyetherimide and Polyetherketoneketone Processed via Fused Filament Fabrication. Polymers (Basel) 2024; 16:336. [PMID: 38337225 DOI: 10.3390/polym16030336] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/29/2023] [Revised: 01/22/2024] [Accepted: 01/24/2024] [Indexed: 02/12/2024] Open
Abstract
Polymer materials are increasingly widely used in high-fire-risk applications, such as aviation interior components. This study aimed to compare the tensile, thermal, and flame-retardant properties of test samples made from ultra-performance materials, polyetherimide (PEI) and polyetherketoneketone (PEKK), using the fused filament fabrication process (FFF). The tensile tests were performed for these materials at different raster angles (0, 45, and 90°). The thermomechanical tests were done in the axial, perpendicular, and through-thickness directions to the extruded filaments. The impact of printing parameters on the flame retardancy of 3D-printed samples was investigated in vertical burn tests with varying specimen thicknesses and printing directions. Experimentally, it was testified that PEKK had better isotropic behaviour than PEI for mechanical performance, thermal expansion, and fire-resistant properties, which are essential in fabricating intricately shaped products.
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Affiliation(s)
- Tatjana Glaskova-Kuzmina
- Baltic3D.eu, Braslas 22D, LV-1035 Riga, Latvia
- Institute for Mechanics of Materials, University of Latvia, Jelgavas 3, LV-1004 Riga, Latvia
| | | | | | | | - Irina Bute
- Institute for Mechanics of Materials, University of Latvia, Jelgavas 3, LV-1004 Riga, Latvia
| | - Jevgenijs Sevcenko
- Institute for Mechanics of Materials, University of Latvia, Jelgavas 3, LV-1004 Riga, Latvia
| | - Andrey Aniskevich
- Institute for Mechanics of Materials, University of Latvia, Jelgavas 3, LV-1004 Riga, Latvia
| | - Stanislav Stankevich
- Institute for Mechanics of Materials, University of Latvia, Jelgavas 3, LV-1004 Riga, Latvia
| | - Behnam Boobani
- Latvian Academy of Sport Education, Brivibas 333, LV-1006 Riga, Latvia
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2
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Nie C, Peng F, Cao R, Cui K, Sheng J, Chen W, Li L. Recent progress in flow‐induced polymer crystallization. JOURNAL OF POLYMER SCIENCE 2022. [DOI: 10.1002/pol.20220330] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Affiliation(s)
- Cui Nie
- National Synchrotron Radiation Laboratory, Anhui Provincial Engineering Laboratory of Advanced Functional Polymer Film, CAS Key Laboratory of Soft Matter Chemistry University of Science and Technology of China Hefei China
| | - Fan Peng
- National Synchrotron Radiation Laboratory, Anhui Provincial Engineering Laboratory of Advanced Functional Polymer Film, CAS Key Laboratory of Soft Matter Chemistry University of Science and Technology of China Hefei China
| | - Renkuan Cao
- National Synchrotron Radiation Laboratory, Anhui Provincial Engineering Laboratory of Advanced Functional Polymer Film, CAS Key Laboratory of Soft Matter Chemistry University of Science and Technology of China Hefei China
| | - Kunpeng Cui
- Department of Polymer Science and Engineering, Anhui Provincial Engineering Laboratory of Advanced Functional Polymer Film University of Science and Technology of China Hefei China
| | - Junfang Sheng
- National Synchrotron Radiation Laboratory, Anhui Provincial Engineering Laboratory of Advanced Functional Polymer Film, CAS Key Laboratory of Soft Matter Chemistry University of Science and Technology of China Hefei China
| | - Wei Chen
- National Synchrotron Radiation Laboratory, Anhui Provincial Engineering Laboratory of Advanced Functional Polymer Film, CAS Key Laboratory of Soft Matter Chemistry University of Science and Technology of China Hefei China
| | - Liangbin Li
- National Synchrotron Radiation Laboratory, Anhui Provincial Engineering Laboratory of Advanced Functional Polymer Film, CAS Key Laboratory of Soft Matter Chemistry University of Science and Technology of China Hefei China
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3
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An experimentally validated model for quiescent multiphase primary and secondary crystallization phenomena in PP with low content of ethylene comonomer. POLYMER 2022. [DOI: 10.1016/j.polymer.2022.124901] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
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4
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Ren JY, Yang SG, Li Y, Lei J, Huang HD, Pan M, Lin H, Zhong GJ, Li ZM. Coupling effect of pressure and flow fields on the crystallization of Poly(vinylidene fluoride)/Poly(methyl methacrylate) miscible blends. POLYMER 2021. [DOI: 10.1016/j.polymer.2021.123565] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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5
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Schaefer C, Laity PR, Holland C, McLeish TCB. Stretching of Bombyx mori Silk Protein in Flow. Molecules 2021; 26:molecules26061663. [PMID: 33809814 PMCID: PMC8002474 DOI: 10.3390/molecules26061663] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2021] [Revised: 03/05/2021] [Accepted: 03/11/2021] [Indexed: 12/31/2022] Open
Abstract
The flow-induced self-assembly of entangled Bombyx mori silk proteins is hypothesised to be aided by the ‘registration’ of aligned protein chains using intermolecularly interacting ‘sticky’ patches. This suggests that upon chain alignment, a hierarchical network forms that collectively stretches and induces nucleation in a precisely controlled way. Through the lens of polymer physics, we argue that if all chains would stretch to a similar extent, a clear correlation length of the stickers in the direction of the flow emerges, which may indeed favour such a registration effect. Through simulations in both extensional flow and shear, we show that there is, on the other hand, a very broad distribution of protein–chain stretch, which suggests the registration of proteins is not directly coupled to the applied strain, but may be a slow statistical process. This qualitative prediction seems to be consistent with the large strains (i.e., at long time scales) required to induce gelation in our rheological measurements under constant shear. We discuss our perspective of how the flow-induced self-assembly of silk may be addressed by new experiments and model development.
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Affiliation(s)
- Charley Schaefer
- Department of Physics, University of York, Heslington, York YO10 5DD, UK;
- Correspondence:
| | - Peter R. Laity
- Department of Materials Science and Engineering, The University of Sheffield, Sir Robert Hadfield Building, Mappin Street, Sheffield S1 3JD, UK; (P.R.L.); (C.H.)
| | - Chris Holland
- Department of Materials Science and Engineering, The University of Sheffield, Sir Robert Hadfield Building, Mappin Street, Sheffield S1 3JD, UK; (P.R.L.); (C.H.)
| | - Tom C. B. McLeish
- Department of Physics, University of York, Heslington, York YO10 5DD, UK;
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6
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Zhang XX, Yang SG, Zhong GJ, Lei J, Liu D, Sun GA, Xu JZ, Li ZM. Rapid Melt Crystallization of Bisphenol-A Polycarbonate Jointly Induced by Pressure and Flow. Macromolecules 2021. [DOI: 10.1021/acs.macromol.0c02208] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Xi-Xi Zhang
- College of Polymer Science and Engineering, State Key Laboratory of Polymer Materials Engineering, Sichuan University, Chengdu 610065, P. R. China
| | - Shu-Gui Yang
- State Key Laboratory for Mechanical Behaviour of Materials, Shanxi International Research Center for Soft Matter, Xi’an Jiaotong University, Xi’an 710049, P. R. China
| | - Gan-Ji Zhong
- College of Polymer Science and Engineering, State Key Laboratory of Polymer Materials Engineering, Sichuan University, Chengdu 610065, P. R. China
| | - Jun Lei
- College of Polymer Science and Engineering, State Key Laboratory of Polymer Materials Engineering, Sichuan University, Chengdu 610065, P. R. China
| | - Dong Liu
- Key Laboratory of Neutron Physics, Institute of Nuclear Physics and Chemistry, China Academy of Engineering Physics, 621999 Mianyang, P. R. China
| | - Guang-Ai Sun
- Key Laboratory of Neutron Physics, Institute of Nuclear Physics and Chemistry, China Academy of Engineering Physics, 621999 Mianyang, P. R. China
| | - Jia-Zhuang Xu
- College of Polymer Science and Engineering, State Key Laboratory of Polymer Materials Engineering, Sichuan University, Chengdu 610065, P. R. China
| | - Zhong-Ming Li
- College of Polymer Science and Engineering, State Key Laboratory of Polymer Materials Engineering, Sichuan University, Chengdu 610065, P. R. China
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7
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Schaefer C, McLeish TCB. Power Law Stretching of Associating Polymers in Steady-State Extensional Flow. PHYSICAL REVIEW LETTERS 2021; 126:057801. [PMID: 33605750 DOI: 10.1103/physrevlett.126.057801] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/23/2020] [Revised: 12/02/2020] [Accepted: 01/07/2021] [Indexed: 06/12/2023]
Abstract
We present a tube model for the Brownian dynamics of associating polymers in extensional flow. In linear response, the model confirms the analytical predictions for the sticky diffusivity by Leibler-Rubinstein-Colby theory. Although a single-mode Doi-Edwards-Marrucci-Grizzuti approximation accurately describes the transient stretching of the polymers above a "sticky" Weissenberg number (product of the strain rate with the sticky-Rouse time), the preaveraged model fails to capture a remarkable development of a power law distribution of stretch in steady-state extensional flow: while the mean stretch is finite, the fluctuations in stretch may diverge. We present an analytical model that shows how strong stochastic forcing drives the long tail of the distribution, gives rise to rare events of reaching a threshold stretch, and constitutes a framework within which nucleation rates of flow-induced crystallization may be understood in systems of associating polymers under flow. The model also exemplifies a wide class of driven systems possessing strong, and scaling, fluctuations.
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Affiliation(s)
- Charley Schaefer
- Department of Physics, University of York, Heslington, York YO10 5DD, United Kingdom
| | - Tom C B McLeish
- Department of Physics, University of York, Heslington, York YO10 5DD, United Kingdom
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8
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In-Situ saxs/waxd analysis on structural evolution in peek irradiated by 1 MeV electrons during tensile deformation. Polym Degrad Stab 2020. [DOI: 10.1016/j.polymdegradstab.2020.109350] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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9
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Advantage of Preserving Bi-orientation Structure of Isotactic Polypropylene through Die Drawing. CHINESE JOURNAL OF POLYMER SCIENCE 2020. [DOI: 10.1007/s10118-020-2465-z] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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10
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Pepe J, Cleven LC, Suijkerbuijk EJMC, Dekkers ECA, Hermida-Merino D, Cardinaels R, Peters GWM, Anderson PD. A filament stretching rheometer for in situ X-ray experiments: Combining rheology and crystalline morphology characterization. THE REVIEW OF SCIENTIFIC INSTRUMENTS 2020; 91:073903. [PMID: 32752831 DOI: 10.1063/5.0008224] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/19/2020] [Accepted: 06/19/2020] [Indexed: 06/11/2023]
Abstract
We present a rheometer that combines the possibility to perform in situ X-ray experiments with a precise and locally controlled uniaxial extensional flow. It thus allows us to study the crystallization kinetics and morphology evolution combined with the rheological response to the applied flow field. A constant uniaxial deformation rate is ensured, thanks to a fast control scheme that drives the simultaneous movement of the top and bottom plates during a pulling experiment. A laser micrometer measures the time evolution of the smallest diameter, where the highest stress is concentrated. The rheometer has a copper temperature-controlled oven with the ability to reach 250 °C and a N2 connection to create an inert atmosphere during the experiments. The innovation of our rheometer is the fixed location of the midfilament position, which is possible because of the simultaneous controlled movement of the two end plates. The copper oven has been constructed with four ad hoc windows: two glass windows for laser access and two Kapton windows for X-ray access. The key feature is the ability to perfectly align the midfilament of the sample to the laser micrometer and to the incoming X-ray beam in a synchrotron radiation facility, making it possible to investigate the structure and morphologies developed during extensional flow. The rheological response measured with our rheometer for low-density polyethylene (LDPE) is in agreement with the linear viscoelastic envelope and with the results obtained from the existing extensional rheometers. To demonstrate the capability of the instrument, we have performed in situ-resolved X-ray experiments on LDPE samples exhibiting extensional flow-induced crystallization.
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Affiliation(s)
- Jessica Pepe
- Polymer Technology, Department of Mechanical Engineering, Eindhoven University of Technology, P.O. Box 513, 5600 MB Eindhoven, The Netherlands
| | - Lucien C Cleven
- Polymer Technology, Department of Mechanical Engineering, Eindhoven University of Technology, P.O. Box 513, 5600 MB Eindhoven, The Netherlands
| | - Eduard J M C Suijkerbuijk
- Equipment and Prototyping Center, Eindhoven University of Technology, P.O. Box 513, 5600 MB Eindhoven, The Netherlands
| | - Erwin C A Dekkers
- Equipment and Prototyping Center, Eindhoven University of Technology, P.O. Box 513, 5600 MB Eindhoven, The Netherlands
| | - Daniel Hermida-Merino
- DUBBLE CRG BM26 at ESRF Netherlands Organization for Scientific Research (NWO), 71 Avenue des Martyrs, 38000 Grenoble, France
| | - Ruth Cardinaels
- Polymer Technology, Department of Mechanical Engineering, Eindhoven University of Technology, P.O. Box 513, 5600 MB Eindhoven, The Netherlands
| | - Gerrit W M Peters
- Polymer Technology, Department of Mechanical Engineering, Eindhoven University of Technology, P.O. Box 513, 5600 MB Eindhoven, The Netherlands
| | - Patrick D Anderson
- Polymer Technology, Department of Mechanical Engineering, Eindhoven University of Technology, P.O. Box 513, 5600 MB Eindhoven, The Netherlands
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11
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Thermal expansion of semi-crystalline polymers: Anisotropic thermal strain and crystallite orientation. POLYMER 2020. [DOI: 10.1016/j.polymer.2020.122249] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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12
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Grosso G, Troisi EM, Jaensson NO, Peters GW, Anderson PD. Modelling flow induced crystallization of IPP: Multiple crystal phases and morphologies. POLYMER 2019. [DOI: 10.1016/j.polymer.2019.121806] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
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13
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Yang SG, Lei J, Zhong GJ, Xu JZ, Li ZM. Role of lamellar thickening in thick lamellae formation in isotactic polypropylene when crystallizing under flow and pressure. POLYMER 2019. [DOI: 10.1016/j.polymer.2019.121641] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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14
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Hejmady P, Cleven LC, van Breemen LCA, Anderson PD, Cardinaels R. A novel experimental setup for in situ optical and X-ray imaging of laser sintering of polymer particles. THE REVIEW OF SCIENTIFIC INSTRUMENTS 2019; 90:083905. [PMID: 31472607 DOI: 10.1063/1.5106406] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/28/2019] [Accepted: 07/27/2019] [Indexed: 06/10/2023]
Abstract
We present a unique laser sintering setup that allows real time studies of the structural evolution during laser sintering of polymer particles. The device incorporates the main features of classical selective laser sintering machines for 3D printing of polymers and at the same time allows in situ visualization of the sintering dynamics with optical microscopy as well as X-ray scattering. A main feature of the setup is the fact that it provides local access to one particle-particle bridge during sintering. In addition, due to the small scale of the device and the specific laser arrangement process, parameters such as the temperature, laser energy, laser pulse duration, and spot size can be precisely controlled. The sample chamber provides heating up to 360 °C, which allows for sintering of commodity as well as high performance polymers. The latter parameters are controlled by the use of a visible light laser combined with an acousto-optic modulator for pulsing, which allows small and precise spot sizes and pulse times and pulse energies as low as 500 μs and 17 μJ. The macrostructural evolution of the particle bridge during sintering is followed via optical imaging at high speed and resolution. Placing the setup in high flux synchrotron radiation with a fast detector simultaneously allows in situ time-resolved X-ray characterizations. To demonstrate the capabilities of the device, we studied the laser sintering of two spherical PA12 particles. The setup provides crucial real-time information concerning the sintering dynamics as well as crystallization kinetics, which was not accessible up to now.
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Affiliation(s)
- Prakhyat Hejmady
- Polymer Technology, Department of Mechanical Engineering, Eindhoven University of Technology, P.O. Box 513, 5600 MB Eindhoven, The Netherlands
| | - Lucien C Cleven
- Polymer Technology, Department of Mechanical Engineering, Eindhoven University of Technology, P.O. Box 513, 5600 MB Eindhoven, The Netherlands
| | - Lambèrt C A van Breemen
- Polymer Technology, Department of Mechanical Engineering, Eindhoven University of Technology, P.O. Box 513, 5600 MB Eindhoven, The Netherlands
| | - Patrick D Anderson
- Polymer Technology, Department of Mechanical Engineering, Eindhoven University of Technology, P.O. Box 513, 5600 MB Eindhoven, The Netherlands
| | - Ruth Cardinaels
- Polymer Technology, Department of Mechanical Engineering, Eindhoven University of Technology, P.O. Box 513, 5600 MB Eindhoven, The Netherlands
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15
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Zhang X, Yang S, Hua W, Lin J, Lei J, Bian F, Xu L, Li Z. Role of pressure in flow‐induced shish‐kabab in binary blend of long‐ and short‐chain Polyethylenes. POLYMER CRYSTALLIZATION 2019. [DOI: 10.1002/pcr2.10059] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Affiliation(s)
- Xi‐Xi Zhang
- College of Polymer Science and Engineering, State Key Laboratory of Polymer Materials EngineeringSichuan University Chengdu China
| | - Shu‐Gui Yang
- College of Polymer Science and Engineering, State Key Laboratory of Polymer Materials EngineeringSichuan University Chengdu China
| | - Wen‐Qiang Hua
- Shanghai Synchrotron Radiation Facility, Shanghai Institute of Applied PhysicsChinese Academy of Sciences Shanghai China
| | - Jian‐Mei Lin
- College of Polymer Science and Engineering, State Key Laboratory of Polymer Materials EngineeringSichuan University Chengdu China
| | - Jun Lei
- College of Polymer Science and Engineering, State Key Laboratory of Polymer Materials EngineeringSichuan University Chengdu China
| | - Feng‐Gang Bian
- Shanghai Synchrotron Radiation Facility, Shanghai Institute of Applied PhysicsChinese Academy of Sciences Shanghai China
| | - Ling Xu
- College of Polymer Science and Engineering, State Key Laboratory of Polymer Materials EngineeringSichuan University Chengdu China
| | - Zhong‐Ming Li
- College of Polymer Science and Engineering, State Key Laboratory of Polymer Materials EngineeringSichuan University Chengdu China
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16
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Yang S, Li Y, Ma Z, Lei J, Li L, Li Z. A revisit to the flow and pressure jointly induced thick lamellae in isotactic polypropylene: A synchrotron radiation small‐ and wide‐angle X‐ray scattering study. POLYMER CRYSTALLIZATION 2019. [DOI: 10.1002/pcr2.10035] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Affiliation(s)
- Shu‐Gui Yang
- State Key Laboratory of Polymer Materials Engineering, Sichuan UniversityCollege of Polymer Science and Engineering Chengdu China
| | - Yue Li
- State Key Laboratory of Polymer Materials Engineering, Sichuan UniversityCollege of Polymer Science and Engineering Chengdu China
| | - Zhe Ma
- Tianjin Key Laboratory of Composite and Functional Materials, and School of Materials Science and EngineeringTianjin University Tianjin China
| | - Jun Lei
- State Key Laboratory of Polymer Materials Engineering, Sichuan UniversityCollege of Polymer Science and Engineering Chengdu China
| | - Liangbin Li
- National Synchrotron Radiation Lab and College of Nuclear Science and Technology, CAS Key Laboratory of Soft Matter ChemistryUniversity of Science and Technology of China Hefei China
| | - Zhong‐Ming Li
- State Key Laboratory of Polymer Materials Engineering, Sichuan UniversityCollege of Polymer Science and Engineering Chengdu China
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17
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Huang J, Fu X, Shao C, Ma Z, Wang Y, Liu C, Shen C. High-pressure induced formation of isotactic polypropylene mesophase: Synergistic effect of pressure and pressurization rate. POLYM ENG SCI 2018. [DOI: 10.1002/pen.24940] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Affiliation(s)
- Jingjing Huang
- National Engineering Research Center for Advanced Polymer Processing Technology, School of Materials Science and Engineering; Zhengzhou University; Zhengzhou 450002 China
| | - Xiaobo Fu
- National Engineering Research Center for Advanced Polymer Processing Technology, School of Materials Science and Engineering; Zhengzhou University; Zhengzhou 450002 China
| | - Chunguang Shao
- National Engineering Research Center for Advanced Polymer Processing Technology, School of Materials Science and Engineering; Zhengzhou University; Zhengzhou 450002 China
| | - Zhe Ma
- Tianjin Key Laboratory of Composite and Functional Materials, and School of Materials Science and Engineering; Tianjin University; Tianjin 300072 China
| | - Yaming Wang
- National Engineering Research Center for Advanced Polymer Processing Technology, School of Materials Science and Engineering; Zhengzhou University; Zhengzhou 450002 China
| | - Chuntai Liu
- National Engineering Research Center for Advanced Polymer Processing Technology, School of Materials Science and Engineering; Zhengzhou University; Zhengzhou 450002 China
| | - Changyu Shen
- National Engineering Research Center for Advanced Polymer Processing Technology, School of Materials Science and Engineering; Zhengzhou University; Zhengzhou 450002 China
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18
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Lin J, Yang S, Hu B, Song Y, Ren J, Lei J, Ji X, Li Z. Quantification of pressure‐induced γ‐crystals in isotactic polypropylene: The influence of shear and carbon nanotubes. POLYMER CRYSTALLIZATION 2018. [DOI: 10.1002/pcr2.10002] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Affiliation(s)
- Jian‐Mei Lin
- College of Polymer Science and Engineering, State Key Laboratory of Polymer Materials EngineeringSichuan UniversityChengdu People's Republic of China
| | - Shu‐Gui Yang
- College of Polymer Science and Engineering, State Key Laboratory of Polymer Materials EngineeringSichuan UniversityChengdu People's Republic of China
| | - Bo‐Chuan Hu
- College of Polymer Science and Engineering, State Key Laboratory of Polymer Materials EngineeringSichuan UniversityChengdu People's Republic of China
| | - Ying‐Nan Song
- College of Polymer Science and Engineering, State Key Laboratory of Polymer Materials EngineeringSichuan UniversityChengdu People's Republic of China
| | - Jia‐Yi Ren
- College of Polymer Science and Engineering, State Key Laboratory of Polymer Materials EngineeringSichuan UniversityChengdu People's Republic of China
| | - Jun Lei
- College of Polymer Science and Engineering, State Key Laboratory of Polymer Materials EngineeringSichuan UniversityChengdu People's Republic of China
| | - Xu Ji
- College of Chemical EngineeringSichuan UniversityChengdu People's Republic of China
| | - Zhong‐Ming Li
- College of Polymer Science and Engineering, State Key Laboratory of Polymer Materials EngineeringSichuan UniversityChengdu People's Republic of China
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19
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Zhang Q, Li L, Su F, Ji Y, Ali S, Zhao H, Meng L, Li L. From Molecular Entanglement Network to Crystal-Cross-Linked Network and Crystal Scaffold during Film Blowing of Polyethylene: An in Situ Synchrotron Radiation Small- and Wide-Angle X-ray Scattering Study. Macromolecules 2018. [DOI: 10.1021/acs.macromol.8b00346] [Citation(s) in RCA: 33] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Affiliation(s)
- Qianlei Zhang
- National Synchrotron Radiation Lab, CAS Key Laboratory of Soft Matter Chemistry, Anhui Provincial Engineering Laboratory of Advanced Functional Polymer Film, University of Science and Technology of China, Hefei, China
| | - Lifu Li
- National Synchrotron Radiation Lab, CAS Key Laboratory of Soft Matter Chemistry, Anhui Provincial Engineering Laboratory of Advanced Functional Polymer Film, University of Science and Technology of China, Hefei, China
| | - Fengmei Su
- National Synchrotron Radiation Lab, CAS Key Laboratory of Soft Matter Chemistry, Anhui Provincial Engineering Laboratory of Advanced Functional Polymer Film, University of Science and Technology of China, Hefei, China
| | - Youxin Ji
- National Synchrotron Radiation Lab, CAS Key Laboratory of Soft Matter Chemistry, Anhui Provincial Engineering Laboratory of Advanced Functional Polymer Film, University of Science and Technology of China, Hefei, China
| | - Sarmad Ali
- National Synchrotron Radiation Lab, CAS Key Laboratory of Soft Matter Chemistry, Anhui Provincial Engineering Laboratory of Advanced Functional Polymer Film, University of Science and Technology of China, Hefei, China
| | - Haoyuan Zhao
- National Synchrotron Radiation Lab, CAS Key Laboratory of Soft Matter Chemistry, Anhui Provincial Engineering Laboratory of Advanced Functional Polymer Film, University of Science and Technology of China, Hefei, China
| | - Lingpu Meng
- National Synchrotron Radiation Lab, CAS Key Laboratory of Soft Matter Chemistry, Anhui Provincial Engineering Laboratory of Advanced Functional Polymer Film, University of Science and Technology of China, Hefei, China
| | - Liangbin Li
- National Synchrotron Radiation Lab, CAS Key Laboratory of Soft Matter Chemistry, Anhui Provincial Engineering Laboratory of Advanced Functional Polymer Film, University of Science and Technology of China, Hefei, China
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20
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Lei C, Xu R, Tian Z, Huang H, Xie J, Zhu X. Stretching-Induced Uniform Micropores Formation: An in Situ SAXS/WAXS Study. Macromolecules 2018. [DOI: 10.1021/acs.macromol.7b02335] [Citation(s) in RCA: 37] [Impact Index Per Article: 6.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Caihong Lei
- Guangdong Provincial Key Laboratory of Functional Soft Condensed Matter, School of Materials and Energy, Guangdong University of Technology, Guangzhou 510006, P. R. China
| | - Ruijie Xu
- Guangdong Provincial Key Laboratory of Functional Soft Condensed Matter, School of Materials and Energy, Guangdong University of Technology, Guangzhou 510006, P. R. China
| | - Ziqin Tian
- Guangdong Provincial Key Laboratory of Functional Soft Condensed Matter, School of Materials and Energy, Guangdong University of Technology, Guangzhou 510006, P. R. China
| | - Henghui Huang
- Guangdong Provincial Key Laboratory of Functional Soft Condensed Matter, School of Materials and Energy, Guangdong University of Technology, Guangzhou 510006, P. R. China
| | - Jiayi Xie
- Guangdong Provincial Key Laboratory of Functional Soft Condensed Matter, School of Materials and Energy, Guangdong University of Technology, Guangzhou 510006, P. R. China
| | - Xingqi Zhu
- Beijing Application Lab, Bruker China, Beijing 100192, P. R. China
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21
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Mi D, Zhou M, Hou F, Zhang J. Effect of high-temperature annealing on the microstructure and mechanical properties of polypropylene with shish kebab or spherulite structure. J Appl Polym Sci 2018. [DOI: 10.1002/app.46465] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Affiliation(s)
- Dashan Mi
- College of Polymer Science and Engineering, State Key Laboratory of Polymer Materials Engineering; Sichuan University; Chengdu China
- Department of Material Science and Engineering, Faculty of Engineering and Architecture; Ghent University; Technologiepark 915 Zwijnaarde 9052 Belgium
| | - Man Zhou
- College of Polymer Science and Engineering, State Key Laboratory of Polymer Materials Engineering; Sichuan University; Chengdu China
| | - Fengyi Hou
- College of Polymer Science and Engineering, State Key Laboratory of Polymer Materials Engineering; Sichuan University; Chengdu China
| | - Jie Zhang
- College of Polymer Science and Engineering, State Key Laboratory of Polymer Materials Engineering; Sichuan University; Chengdu China
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