Regulation of Physical Networks and Mechanical Properties of Triblock Thermoplastic Elastomer through Introduction of Midblock Similar Crystalline Polymer with Multiblock Architecture
Zhang, QL; Hua, WQ; Ren, AL; Feng, JC; Feng, JC (reprint author), Fudan Univ, Dept Macromol Sci, Collaborat Innovat Ctr Polymers & Polymer Composi, State Key Lab Mol Engn Polymers, Shanghai 200433, Peoples R China.
2016
发表期刊MACROMOLECULES
ISSN0024-9297
卷号49期号:19页码:7379-7386
文章类型期刊论文
摘要The physical network structure and mechanical properties of styrene-b(ethylene-co-butylene)-b-styrene (SEBS) were regulated through rational introduction of crystalline olefin multiblock copolymer (OBC). This copolymer comprised alternated crystallizable and amorphous blocks, both of which had similar composition with ethylene-co-butylene (EB) blocks of SEBS. Polarized optical microscope and atom force microscope observations revealed that OBC exhibited distinct crystalline morphologies in blends. On one hand, major OBC chains were macrophase separated with SEBS, generating bulk crystals. On the other hand, small OBC particle crystals with-diameter around 10 nm could be distinguished in the SEBS matrix as well. Considering the unique multiblock architecture of OBC, particle crystals could be regarded as additional physical netpoints to SEBS networks as the corresponding amorphous blocks entangled with continuous EB blocks. Because Of the interesting crystalline behaviors of OBC in the SEBS matrix, the blend exhibited dramatically elevated elongation at break at both room temperature and relatively high temperature without sacrifice of intrinsic elasticity. We believe this work sheds light on comprehending the interaction between triblock elastomers and blended polymers, and it also demonstrates the feasibility, of regulating the apparent properties of triblock copolymers by the blending approach.
DOI10.1021/acs.macromol.6b01441
收录类别SCI
语种英语
WOS记录号WOS:000385335800028
引用统计
被引频次:3[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.sinap.ac.cn/handle/331007/26614
专题中科院上海应用物理研究所2011-2018年
通讯作者Feng, JC (reprint author), Fudan Univ, Dept Macromol Sci, Collaborat Innovat Ctr Polymers & Polymer Composi, State Key Lab Mol Engn Polymers, Shanghai 200433, Peoples R China.
推荐引用方式
GB/T 7714
Zhang, QL,Hua, WQ,Ren, AL,et al. Regulation of Physical Networks and Mechanical Properties of Triblock Thermoplastic Elastomer through Introduction of Midblock Similar Crystalline Polymer with Multiblock Architecture[J]. MACROMOLECULES,2016,49(19):7379-7386.
APA Zhang, QL,Hua, WQ,Ren, AL,Feng, JC,&Feng, JC .(2016).Regulation of Physical Networks and Mechanical Properties of Triblock Thermoplastic Elastomer through Introduction of Midblock Similar Crystalline Polymer with Multiblock Architecture.MACROMOLECULES,49(19),7379-7386.
MLA Zhang, QL,et al."Regulation of Physical Networks and Mechanical Properties of Triblock Thermoplastic Elastomer through Introduction of Midblock Similar Crystalline Polymer with Multiblock Architecture".MACROMOLECULES 49.19(2016):7379-7386.
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