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Song L, Cong F, Wang W, Ren J, Chi W, Yang B, Zhang Q, Li Y, Li X, Wang Y. The Effect of Functionalized SEBS on the Properties of PP/SEBS Blends. Polymers (Basel) 2023; 15:3696. [PMID: 37765550 PMCID: PMC10535659 DOI: 10.3390/polym15183696] [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: 08/07/2023] [Revised: 08/29/2023] [Accepted: 09/04/2023] [Indexed: 09/29/2023] Open
Abstract
Styrene (St) was used as comonomer and glycidyl methacrylate (GMA) as grafting monomer to prepare SEBS-g-(GMA-co-St) graft copolymers via melt grafting. Then, the graft copolymers were employed as a compatibilizer for melt blending polypropylene (PP) and hydrogenated styrene-butadiene-styrene (SEBS) triblock copolymers. The effects of the amount of GMA in the graft copolymers on thermal properties, rheology, crystallization, optical and mechanical properties, and microstructure of the blends were investigated. The results show that GMA and St were successfully grafted onto SEBS. The GMA amount in the graft copolymer significantly influenced the comprehensive properties of PP/SEBS/SEBS-g-(GMA-co-St) blends. The epoxy groups of GMA reacted with PP and SEBS, forming interfacial chemical bonds, thereby enhancing the compatibility between PP and SEBS to varying extents. After introducing SEBS-g-(GMA-co-St) into PP/SEBS blends, crystallinity decreased, crystal size increased while transmittance remained above 91% with rising GMA amount in the graft copolymers, indicating excellent optical properties. Notched impact strength and elongation at break of the blends showed a trend of first increasing and then decreasing with increased amounts of GMA in the graft copolymers. When the amount of GMA in the graft copolymers was 3 wt%, the blends exhibited optimal toughness with notched impact strength and elongation at break of 30,165.82 J/m2 and 1445.40%, respectively. This was attributed to the tightest dispersion interface adhesion and maximum matrix plastic deformation, consistent with the mechanical performance results.
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Affiliation(s)
- Lixin Song
- Polymer High Functional Film Engineering Research Center of Liaoning Province, Shenyang University of Chemical Technology, Shenyang 110142, China
- College of Materials Science and Engineering, Shenyang University of Chemical Technology, Shenyang 110142, China
| | - Fei Cong
- Polymer High Functional Film Engineering Research Center of Liaoning Province, Shenyang University of Chemical Technology, Shenyang 110142, China
- College of Materials Science and Engineering, Shenyang University of Chemical Technology, Shenyang 110142, China
| | - Wei Wang
- BatteroTech Co., Ltd., Shanghai 201417, China
| | - Jiannan Ren
- AVIC Shenyang Aircraft Corporation, Shenyang 110850, China
| | - Weihan Chi
- Polymer High Functional Film Engineering Research Center of Liaoning Province, Shenyang University of Chemical Technology, Shenyang 110142, China
- College of Materials Science and Engineering, Shenyang University of Chemical Technology, Shenyang 110142, China
| | - Bing Yang
- Polymer High Functional Film Engineering Research Center of Liaoning Province, Shenyang University of Chemical Technology, Shenyang 110142, China
- College of Materials Science and Engineering, Shenyang University of Chemical Technology, Shenyang 110142, China
| | - Qian Zhang
- Polymer High Functional Film Engineering Research Center of Liaoning Province, Shenyang University of Chemical Technology, Shenyang 110142, China
- College of Materials Science and Engineering, Shenyang University of Chemical Technology, Shenyang 110142, China
| | - Yongchao Li
- Polymer High Functional Film Engineering Research Center of Liaoning Province, Shenyang University of Chemical Technology, Shenyang 110142, China
- College of Materials Science and Engineering, Shenyang University of Chemical Technology, Shenyang 110142, China
| | - Xianliang Li
- Polymer High Functional Film Engineering Research Center of Liaoning Province, Shenyang University of Chemical Technology, Shenyang 110142, China
- College of Materials Science and Engineering, Shenyang University of Chemical Technology, Shenyang 110142, China
| | - Yuanxia Wang
- Polymer High Functional Film Engineering Research Center of Liaoning Province, Shenyang University of Chemical Technology, Shenyang 110142, China
- College of Materials Science and Engineering, Shenyang University of Chemical Technology, Shenyang 110142, China
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Effect of Different Comonomers Added to Graft Copolymers on the Properties of PLA/PPC/PLA-g-GMA Blends. Polymers (Basel) 2022; 14:polym14194088. [PMID: 36236042 PMCID: PMC9573763 DOI: 10.3390/polym14194088] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/05/2022] [Revised: 09/26/2022] [Accepted: 09/26/2022] [Indexed: 11/19/2022] Open
Abstract
The melt-free radical grafting of glycidyl methacrylate (GMA) onto poly (lactic acid) (PLA) with styrene (St), α-methylstyrene (AMS), and epoxy resin (EP) as comonomers in a twin-screw extruder was used to prepare PLA-g-GMA graft copolymers. The prepared graft copolymers were then used as compatibilizers to prepare PLA/PPC/PLA-g-GMA blends by melt blending with PLA and polypropylene carbonate (PPC), respectively. The effects of different comonomers in the PLA-g-GMA graft copolymers on the thermal, rheological, optical, and mechanical properties and microstructure of the blends were studied. It was found that the grafting degree of PLA-g-GMA graft copolymers was increased to varying degrees after the introduction of comonomers in the PLA-g-GMA grafting reaction system. When St was used as the comonomer, the grafting degree of the PLA-g-GMA graft copolymer increased most significantly, from 0.8 to 1.6 phr. St as a comonomer also most improved the compatibility between PLA and PPC, and the haze of the blends was reduced while maintaining high transmittance. In addition, the PLA-g-GMA graft copolymer with the introduction of St as a comonomer significantly improved the impact toughness of the blends, while the thermal stability and tensile strength of the blends remained largely unchanged.
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Reactive Extrusion Grafting of Glycidyl Methacrylate onto Low-Density and Recycled Polyethylene Using Supercritical Carbon Dioxide. APPLIED SCIENCES-BASEL 2022. [DOI: 10.3390/app12063022] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/04/2023]
Abstract
Glycidyl methacrylate (GMA) was grafted onto (recycled) polyethylene (PE) to design a new adhesive with better mechanical properties compared to non-grafted PE. The effects of the amount of GMA, the amount of dicumyl peroxide (DCP) and the use of supercritical carbon dioxide (scCO2) in a reactive extrusion (REX) were evaluated based on the grafting degree and efficiency of the grafted samples. Generally speaking, higher amounts of GMA led to higher functionalization degrees (FD), whereas higher amounts of DCP resulted in a lower FD due to the occurrence of more unfavorable side reactions. The influence of scCO2 showed different outcomes for the two substrates used. Higher FDs were obtained for the low-density polyethylene (LDPE) samples while, by contrast, lower FDs were obtained for the recycled polyethylene (RPE) samples when using scCO2. Additionally, adjusting the screw speed and the temperature profile of the extruder to the half-life time of the radical initiator appeared to have the highest positive impact on the FD. According to the tensile tests, all the grafted samples can withstand higher stress levels, especially the grafted RPE, compared to the non-grafted samples.
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Javadzadeh M, Arefazar A, Zakizadeh M. The effect of glycidyl methacrylate and styrene comonomers on compatibility, physical-mechanical properties, and swelling behavior of SBR/NBR blends. POLYM ENG SCI 2020. [DOI: 10.1002/pen.25379] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Affiliation(s)
- Mohammad Javadzadeh
- Department of Polymer Engineering and Color Technology; Amirkabir University of Technology; Tehran Iran
| | - Ahmad Arefazar
- Department of Polymer Engineering and Color Technology; Amirkabir University of Technology; Tehran Iran
| | - Mehrad Zakizadeh
- Department of Polymer Engineering and Color Technology; Amirkabir University of Technology; Tehran Iran
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Andami F, Ataeefard M, Najafi F, Saeb MR. Understanding the interactive effects of material parameters governing the printer toner properties: a response surface study. JOURNAL OF POLYMER ENGINEERING 2017. [DOI: 10.1515/polyeng-2015-0525] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Abstract
Abstract
Toner is a fine powder composed of a resin and a coloring agent, which has been massively used in digital printing. The successfulness of digital printing can be measured in terms of the degree to which the properties of toner are finely controlled. In this work, we applied response surface methodology (RSM) to synthesize printing toners with appropriate physical and color properties. Based on a systematic experimental pattern proposed by RSM, styrene and butyl acrylate monomers are copolymerized through suspension polymerization to determine the individual and interactive effects of foregoing material parameters on the particle size, particle size distribution, and thermal and color properties of the resulting toner composites. Different analyses are carried out through which the optimum criterion for manufacturing well-controlled toner particles is established. Particularly, the results show that fine-tuning of toner properties depends on the careful regulation of material parameters, which we have learned from interactive effect identification.
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Shirkavand Hadavand B, Saeb MR, Najafi F, Malekian A. Response surface analysis for understanding the effects of synthesis parameters on the microstructure of hyperbranched polyesters. JOURNAL OF MACROMOLECULAR SCIENCE PART A-PURE AND APPLIED CHEMISTRY 2016. [DOI: 10.1080/10601325.2016.1237812] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
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Ramezani-Dakhel H, Garmabi H. A systematic study on notched impact strength of super-toughened polyamide 6 nanocomposites using response surface methodology. J Appl Polym Sci 2010. [DOI: 10.1002/app.32458] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
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