Block copolymer thermoplastic elastomers with composite crystalline-glassy hard domains，ICAFPM 2011先进纤维与聚合物材料国际学术会议（2011.8.15~17，上海）-中国聚合物网,论文下载

Block copolymer thermoplastic elastomers with composite crystalline-glassy hard domains

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block copolymer thermoplastic elastomer hard domains

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分子表征

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ICAFPM 2011先进纤维与聚合物材料国际学术会议（2011.8.15~17，上海）

简介：

Wereportthesynthesisandbehaviorofthermoplasticelastomers(TPEs)containingbothcrystallineandglassyhardsegments,withtheaimofcapturingthemechanicalpropertiesofconventionalall-amorphoustriblockTPEs,whileformingthesolid-statestructurebycrystallizationfromasingle-phasemelt.Livingring-openingmetathesispolymerizationandsubsequenthydrogenationgeneratepentablockcopolymerswiththearchitecturecrystalline-glassyrubbery-glassy-crystalline.Analogouscrystalline-rubbery-crystallinetriblocksshowahighinitialmodulus,yielding,andpoorrecovery,resultingfromplate-likecrystallinehardblocks.Inthepentablocks,crystallizationfromasingle-phasemeltcausesalayerrichintheglassyblocktoformaroundthecrystallites,limitingtheirlateralgrowthandgeneratingcompositeharddomains.Thepentablocksshowthelowinitialmodulus,strain-hardeningbehavior,andsmallpermanentsetdesiredforTPEs,whileretaininganeasily-processedsingle-phasemelt.

作者：

BISHOP John P., REGISTER Richard A.

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2011-09-21 13:50:50

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