COMPATIBILITY OF NATURAL RUBBER OF DIFFERENT CHAIN STRUCTURE WITH BUTADIENE-STYRENE RUBBER

MA Dezhu; HAO Wentao; XU Wenzong; LUO Xiaolie; LIANG Li

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COMPATIBILITY OF NATURAL RUBBER OF DIFFERENT CHAIN STRUCTURE WITH BUTADIENE-STYRENE RUBBER

Research Article | 更新时间：2021-03-19

- COMPATIBILITY OF NATURAL RUBBER OF DIFFERENT CHAIN STRUCTURE WITH BUTADIENE-STYRENE RUBBER
- Acta Polymerica Sinica Issue 2, Pages: 153-156(2001)
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- Published：20 April 2001，
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MA Dezhu, HAO Wentao, XU Wenzong, LUO Xiaolie, LIANG Li. COMPATIBILITY OF NATURAL RUBBER OF DIFFERENT CHAIN STRUCTURE WITH BUTADIENE-STYRENE RUBBER. [J]. Acta Polymerica Sinica (2):153-156(2001)
DOI：

MA Dezhu, HAO Wentao, XU Wenzong, LUO Xiaolie, LIANG Li. COMPATIBILITY OF NATURAL RUBBER OF DIFFERENT CHAIN STRUCTURE WITH BUTADIENE-STYRENE RUBBER. [J]. Acta Polymerica Sinica (2):153-156(2001) DOI：

摘要

选择了三种丁苯橡胶 (SBR)———乳聚丁苯胶 (ESBR)、溶聚丁苯C(SSBR (C) )及溶聚丁苯B(SSBR(B) )

用红外光谱 (FTIR)分析了它们的链化学结构 .同时

用动态力学谱 (DMA)和示差扫描量热谱 (DSC)研究了这三种SBR与天然橡胶 (NR)的混容性 .结果表明

SSBR(B)与NR具有很好的混容性 .三种SBR与NR混容性的差别

与SBR链化学结构不同有关

Abstract

Three typical styrene-butadiene rubbers(SBR)were chosen:emulsion-SBR(ESBR)and two kinds of solution-SBR(SSBR(C)) and (SSBR(B)). Fourier transform infrared(FTIR) was used to analysis the chain structure; dynamic mechanical analysis (DMA) and differential scanning calorimeter (DSC) were used to study the compatibility of these three SBR with NR. The results show that:the blend system of SSBR(B) with NR is compatible. The blend systems of ESBR and SSBR(C) with NR exhibit two-phase morphology. The differences in compatibility among the three kinds of SBR with NR can be well explained by comparing their chain structure.The content of cis-1

4 polybutadiene (PB) in SSBR(B) is more than that in the other two SBRs and the content of 1

2-add PB is the lowest.

关键词

溶聚丁苯天然橡胶混容性

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