Influence of trans-polyoctylene rubber content on styrene-butadiene rubber properties

IF 0.9 Q4 CHEMISTRY, MULTIDISCIPLINARY Acta Chimica Slovaca Pub Date : 2020-04-01 DOI:10.2478/acs-2020-0001
Patrik Macúrik, R. Anyszka, I. Hudeč, Terézia Malčeková, J. Kruželák
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引用次数: 1

Abstract

Abstract The study was focused on the investigation of trans-polyoctylene (TOR) influence on cross-linking as well as mechanical and rheological properties of rubber compounds based on styrene-butadiene rubber (SBR). SBR was compounded with different proportions of TOR in the concentration range from 0 to 30 phr. Integration of TOR into rubber leads to the prolongation of the optimum curing time and scorch time and thus the decrease of the curing rate. Higher content of TOR led to less viscous rubber due to the plasticizing effect. Cross-link density of vulcanizates was reduced, which correlates with higher elongation at break. Tensile strength and hardness of vulcanizates increased with the increasing TOR content, probably due to the increasing amount of the crystalline phase.
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反式聚辛基橡胶含量对丁苯橡胶性能的影响
摘要研究了反式聚辛烯(TOR)对基于丁苯橡胶(SBR)的橡胶化合物交联以及力学和流变性能的影响。SBR与不同比例的TOR在0至30phr的浓度范围内复合。TOR与橡胶的结合延长了最佳硫化时间和焦烧时间,从而降低了硫化速率。TOR含量越高,由于增塑作用,橡胶的粘性越小。硫化胶的交联密度降低,这与较高的断裂伸长率有关。硫化胶的拉伸强度和硬度随着TOR含量的增加而增加,这可能是由于晶相含量的增加。
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来源期刊
Acta Chimica Slovaca
Acta Chimica Slovaca CHEMISTRY, MULTIDISCIPLINARY-
自引率
12.50%
发文量
11
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