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PREPARATION OF A NOVEL CPE thermoplastic elastomer VIA IN-SITU CHLORINATING GRAFT COPOLYMERIZATION

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PREPARATION OF A NOVEL CPE THERMOPLASTIC ELASTOMER VIA IN-SI...

40th IUPAC Congress

作者： Xuezhen Zhu 1 Jiruo Zhao 1.2* Ying Feng 1 and Qingming Yin 1 1 Key Laboratory of Rubber-Plastics Ministry of Education School of Polymer Science and Engineering Qingdao University of Science & Technology Qingdao 266042 China 2 State Key Laboratory of Polymer Physics and Chemistry Changchun Institute of Applied Chemistry Chinese Academy of Sciences Changchun 130022 China

Modification research of NR/PP thermoplastic elastomer

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Modification research of NR/PP thermoplastic elastomer

2004年国际橡胶会议

作者： LI Zhi-jun WEI Fu-qing( Dept of Polymer Material Science and Engineering College of Technology The South China University of Tropical Agriculture Danzhou 571737 China)

＜正＞ Dynamic vulcanized NR/PP blended thermoplastic elastomer （TPV） was prepared. The effects of the mechanical properties, the resistance to solvent and resistance to thermal distortion of TPE ware investigated by analyzing the modification of nano-silica and MAH/St/DCP multi-monomer melt grafting and crosslinking. The heat stability, two-phase structure and morphology structure of TPE ware studied by TG. SEM and TEM separately. The results show that, the MAH/St/DCP multi-monomer melt grafted and crosslinked TPV had best mechanical properties, resistance to solvent and resistance to thermal distortion and heat stability when the best content of nano-silica was 3%. The compatibility and interfacial interaction between NR and PP was increased greatly by thining dispersive phase, improving dispersive equality of NR and enhancing co-crosslinking of the two phases. The destruction of TPV was the matrix becoming deformed instead of the NR cast off the matrix.

关键词： natural rubber polypropylene thermoplastic elastomer modification structure properties

In situ polymerization preparation and mechanical properties of nanocomposites based on PA10T/10I-block-PEG copolymer and graphene oxide

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Nano Materials Science 2022年第3期4卷 276-284页

作者： Xiao-bo Fu Xin Tong Jia-cao Yang Gang Zhang Mei-lin Zhang Xiao-jun Wang Jie Yang College of Polymer Science and Engineering Sichuan UniversityChengdu610065China Analytical and Testing Center Sichuan UniversityChengdu610064China Jiangsu JITRI Advanced Polymer Materials Research Institute Co. LtdChina State Key Laboratory of Polymer Materials Engineering Sichuan UniversityChengdu610065China

Poly(decamethylene terephthalamide/decamethylene isophthalamide)-block-polyvinyl alcoho)(PA10 T/10 IPEG) copolymer/graphene oxide(GO) composites were prepared via in-situ melt polymerization and two different nano-filler addition approaches were compared. The relationship between the micro-structure and performance of the elastomer composites prepared by one-step and two-step methods was explored. The results show that the two-step method significantly promoted the dispersion of the GO in a polymer matrix, and facilitated the grafting of more hard molecular chains. Thus, the elastic modulus and tensile strength of the nanocomposite have been significantly improved by the presence of GO. This was because of the strong interaction between the functional groups on the surface of the GO and the hard molecular chains. This would be also be favorable to load transfer across the interface. Additionally, the elongation at the break of composites increased by 10% with the addition of a small amount of GO(0.2% wt). This is because hard domains tend to be enriched on the surface of GO in composites and act as a lubricating layer at the interface between the GO and matrix, leading to increased deformation ability. This work provides an effective strategy to prepare elastomer composites with high strength and toughness.

关键词： Graphene oxide thermoplastic elastomer In-situ polymerization Composite

Experimental and Performance Analyses on elastomer-Strengthened Polyethylene Terephthalate/Glass Fiber Blends

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Automotive Innovation 2019年第1期2卷 71-78页

作者： Qili Shen Xu Li Ying Zhao Xiaoyu Gu Weijian Zou Xiangdong Huang Wenfeng Mao Guangzhou Automobile Group Co. LtdGuangzhou 511434China State Key Laboratory of Automotive Simulation and Control Jilin UniversityChangchun 130021China School of Materials Science and Engineering South China University of TechnologyGuangzhou 510641China

Ethylene-methacrylate-glycidyl(EMG)copolymer is employed to strengthen polyethylene terephthalate(PET)/glass fiber(GF)*** paper starts from investigating the effects of various EMG contents on mechanical properties,thermal properties and fractured surface morphology of PET/GF *** of the above-mentioned properties own extreme limits of EMG *** crystallization ability of the blends increases with an increment in EMG content,whereas the crystallinity keeps stable at a relatively high level of 0-20 wt.%EMG *** tension,bending and impact properties of PET blends are enhanced with the addition of a self-made three-dimensional hierarchical porous carbon sponge(3DC)based on an optimal additive *** indicate that EMG possesses the capabilities of increasing the toughness of PET/GF blends remarkably and transforming the blends from brittle fracture to tough *** to the results,the blends exhibit the best overall properties as the content of EMG reaches 10-15 wt.%.

关键词： Polyethylene terephthalate Glass fiber thermoplastic elastomer Experimental preparation Performance analysis

Copolymerization of 1-butene and 1-hexene with supported titanium catalyst

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Frontiers of Chemical Science and Engineering 2007年第3期1卷 304-309页

作者： ZHAO Yongxian SHAO Huafeng WANG Bo YAO Wei HUANG Baochen Key Laboratory of Rubber-Plastics of Ministry of Education Qingdao University of Science and TechnologyQingdao 266042China

With TiCl4/MgCl2(Ti)and Al(i-Bu)3(Al)as catalysts,the thermoplastic copolymer of 1-butene(Bt)and 1-hexene(He)was synthesized *** effects of Bt/He,Ti/(He+Bt),Al/Ti,temperature and reaction time on conversion,catalyst efficiency(CE),intrinsic viscosity([g])and insoluble content were *** copolymer was analyzed with Fourier transform-infrared(FTIR)and nuclear magnetic resonance(1H-NMR).Results showed that the optimal polymerization conditions were:He/Bt=0.25,temperature 40℃–50℃,Al/Ti=400–500,Ti/(Bt+He)=3x10-5-4x10-5,time 4 *** viscosity was found to increase with increasing Ti/(Bt+He)and decreasing Al/Ti and polymerization *** the molar content of He,Al/Ti and polymerization temperature increased,the insoluble content in CH2Cl2 of copolymers *** Ti/(Bt+He)and reaction time increased,the insoluble con-tent in CH2Cl2 of copolymers also *** crystal-lization and stereoregularity of poly(1-butene)decreased with the addition of He.

关键词： 1-butene 1-hexene supported titanium catalyst copolymerization thermoplastic elastomer

Pyrolysis-Gas Chromatography/Mass Spectrometry for Microstructure and Pyrolysis Pathway of Polyester-Polyether Multiblock Copolymer

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Journal of Beijing Institute of Technology 2001年第1期10卷 45-50页

作者：罗爱芹叶玲傅若农谢桂阳王显伦北京理工大学化工与材料学院北京100081 北京大学化学与分子工程学院北京100871

The composition and sequence distribution of monomeric units in polyester polyether multiblock copolymer were studied by pyrolysis? gas chromatography (PGC) and pyrolysis gas chromatography/mass spectrometry (PGC/MS). PGC was applied to study the F t curve of the multiblock copolymer and PGC/MS was used to separate and identify the pyrolyzates. DTA experiment was used to study the decomposition temperature. The results show that the beginning point of elastomer’s decomposition was about 300?℃ and the decomposition temperature of most of the sample was 550?℃. Many pyrolyzates were produced because of the breaking of weak bonds in the sample. The possible microstructure was verified and the pyrolysis pathway of the copolymer was investigated.

关键词： thermoplastic elastomer polyester polyether multiblock copolymer pyrolysis gas chromatography/mass spectrometry copolymer pyrolysis pathway microstructure pyrolyzates

酯交换反应制备动态交联乙烯醋酸乙烯酯橡胶热塑性弹性体

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酯交换反应制备动态交联乙烯醋酸乙烯酯橡胶热塑性弹性体

2012年全国高分子材料科学与工程研讨会

作者：吴文敬张勇上海交通大学高分子材料研究所

＜正＞乙烯醋酸乙烯酯橡胶（EVM）是一种乙烯与醋酸乙烯酯（VA）的无规共聚物,VA含量从40-80 wt%,具有良好的耐热性、耐油性、阻燃性以及低温性能。采用动态硫化法将热塑性塑料与EVM共混制备EVM类热塑性弹性体,兼具橡胶的高弹性和塑料... 详细信息

＜正＞乙烯醋酸乙烯酯橡胶（EVM）是一种乙烯与醋酸乙烯酯（VA）的无规共聚物,VA含量从40-80 wt%,具有良好的耐热性、耐油性、阻燃性以及低温性能。采用动态硫化法将热塑性塑料与EVM共混制备EVM类热塑性弹性体,兼具橡胶的高弹性和塑料的可塑性,可以改

关键词： ethylene-vinyl acetate rubber thermoplastic elastomer dynamic vulcanization transesterification

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SEBS-g-POSS的合成、表征与性能

SEBS-g-POSS的合成、表征与性能

2014年全国高分子材料科学与工程研讨会

作者：徐日炜钟廷家李滔谷晓昱余鼎声吴一弦碳纤维及功能高分子教育部重点实验室北京化工大学

＜正＞SEBS微观两相（软相和硬相）分离的结构分别为材料提供了弹性和刚性,使其拥有着橡胶弹性和塑料热塑加工性,这些优良的特性使得其得到了广泛的应用,但其耐热性相对较差限制了使用范围。随着聚合物基纳米有机-无机杂化材料的发展,... 详细信息

＜正＞SEBS微观两相（软相和硬相）分离的结构分别为材料提供了弹性和刚性,使其拥有着橡胶弹性和塑料热塑加工性,这些优良的特性使得其得到了广泛的应用,但其耐热性相对较差限制了使用范围。随着聚合物基纳米有机-无机杂化材料的发展,如果能利用纳米材料针对性地改善热塑性弹性体的硬段,可以实现热塑性弹性体的高功能化和高性能化。多面体低聚倍半硅氧烷（POSS）作为一种无机-有机纳米材料,与一般的纳米填充材料相比,具有更好的结构可设计性及聚合物的相容性。我们课题组用点击化学方法（炔基-叠氮Huisgen环加成反应）

关键词： Polyhedral oligomeric silsesquioxane vertex groups thermoplastic elastomer hybrid materials

聚（脲-酰亚胺）热塑弹性体的制备及性能研究

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聚（脲-酰亚胺）热塑弹性体的制备及性能研究

2012年全国高分子材料科学与工程研讨会

作者：周成飞曹巍翟彤郭建梅王连才曾心苗北京市射线应用研究中心北京市科学技术研究院辐射新材料重点实验室

＜正＞聚（脲-酰亚胺）是一种具有软硬段结构的耐高温聚合物,其分子结构中的硬段是由异氰酸酯和二酐反应所形成的聚酰亚胺,而软段一般由聚醚多元胺所提供。并且,聚（脲-酰亚胺）热塑弹性体是一种耐高温的高效节能新材料,在许多方面都有... 详细信息

＜正＞聚（脲-酰亚胺）是一种具有软硬段结构的耐高温聚合物,其分子结构中的硬段是由异氰酸酯和二酐反应所形成的聚酰亚胺,而软段一般由聚醚多元胺所提供。并且,聚（脲-酰亚胺）热塑弹性体是一种耐高温的高效节能新材料,在许多方面都有很好的应用前景。为此,本研究采用本体聚合方法制备聚（脲-酰亚胺）热塑弹性体,并对其结构性能进行分析表征。本研究采用的主要原料有二环己基甲烷-4,4’-二异氰酸酯(HMDI,上海和氏壁化工有限

关键词： poly(urea-imide) thermoplastic elastomer preparation property