Rubber/silane reactions and grafting rates investigated by liquid-state NMR spectroscopy

被引：12

作者：

Yrieix, Marie ^{[1
]}

Da Cruz-Boisson, Fernande ^{[2
]}

Majeste, Jean-Charles ^{[1
]}

机构：

[1] Univ St Etienne, Univ Lyon, CNRS, Ingn Mat Polymeres,UMR5223, F-42023 St Etienne, France

[2] Univ Lyon, INSA Lyon, CNRS, Serv RMN Polymeres ICL,Ingn Mat Polymeres,UMR5223, F-69621 Villeurbanne, France

来源：

POLYMER | 2016年 / 87卷

关键词：

Butadiene rubber; Grafting; NMR; SILANE COUPLING AGENT; VULCANIZED CIS-1,4-POLYBUTADIENE; BUTADIENE RUBBER; SILICA; REINFORCEMENT; ELASTOMERS;

D O I：

10.1016/j.polymer.2016.01.055

中图分类号：

O63 [高分子化学（高聚物）];

学科分类号：

070305 ; 080501 ; 081704 ;

摘要：

Interactions between butadiene rubber (BR) and polysulfide silane (TESPT) were studied by liquid state NMR spectroscopy. H-1, C-13 and DOSY spectra highlighted the presence of pre-crosslinking and grafting reactions in BR/TESPT blends mixed with dump temperatures between 155 and 180 degrees C. Pre-crosslinking induced by the sulfur release of TESPT was evidenced at high temperature. The grafting rate of silane on BR chains was quantified thanks to deconvolution of H-1 NMR signals of crude blends and H-1 spectra analysis of blends after extraction of non-grafted silane. These two methods showed similar values of grafting rates and demonstrated the influence of the dump temperature on BR/silane reactions. (C) 2016 Elsevier Ltd. All rights reserved.

引用

页码：90 / 97

页数：8

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