Evaluation of lignin as potential green filler in an optimally designed solution grade styrene–butadiene rubber (SSBR) based tyre tread compound

IF 2.1 4区材料科学 Q3 MATERIALS SCIENCE, COMPOSITES

Plastics, Rubber and Composites Pub Date : 2021-11-29 DOI:10.1080/14658011.2021.2008714

S. Chowdhury, Sreedip Ghosh, Abhijit Pal, Koushik Pal, J. Chanda, B. K. Samui, S. K. Bhattacharyya, Rabindra Mukhopadhya, A. Bandyopadhyay

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引用次数: 4

Abstract

ABSTRACT In this study, solution grade styrene–butadiene rubber (SSBR) compound was prepared by partial replacement of silica with lignin. The compounds were designed and optimised using an L9 orthogonal array (using Taguchi method) targeting ‘magic triangle’. Cure rate index (CRI), reinforcement index (RI) and hysteresis loss (loss tangent at 60°C) were considered as the responses. Thermo-gravimetric analysis and Differential scanning calorimeter is used to assess thermal degradation and intramolecular reactivity of lignin. Morphological analysis of the composites has instituted the fact that above 20% replacement of synthetic silica by lignin results in re-agglomeration of filler particles due to inferior dispersion. Response analysis through ANOVA coupled with an experimental study on physico-mechanical and dynamic-mechanical properties has manifested that SSBR with 58% vinyl content with 40:10 silica: lignin compounded at 160°C with 10% silane coupling agent (SCA) with respect to silica at factorial levels furnished a ‘magic triangle’ optimised tyre tread compound.

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优化设计的溶液级丁苯橡胶(SSBR)基轮胎胎面胶中木质素作为潜在绿色填料的评价

摘要本研究以木质素部分取代二氧化硅制备了溶液级丁苯橡胶(SSBR)。以“魔三角”为目标，采用L9正交阵列(田口法)对化合物进行设计和优化。固形率指数(CRI)、加固指数(RI)和迟滞损耗(60℃时损耗切线)作为响应。采用热重分析和差示扫描量热计对木质素的热降解和分子内反应性进行了评价。复合材料的形态分析表明，木质素替代合成二氧化硅20%以上，填料颗粒分散性差，导致填料颗粒再团聚。通过方差分析结合物理力学和动态力学性能的实验研究表明，58%乙烯基含量的SSBR与40:10二氧化硅:木质素在160°C下与10%硅烷偶联剂(SCA)在析因水平上复合，提供了一个“神奇三角”优化的轮胎胎面化合物。

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来源期刊

Plastics, Rubber and Composites 工程技术-材料科学：复合

CiteScore

4.10

自引率

0.00%

发文量

审稿时长

4 months

期刊介绍： Plastics, Rubber and Composites: Macromolecular Engineering provides an international forum for the publication of original, peer-reviewed research on the macromolecular engineering of polymeric and related materials and polymer matrix composites. Modern polymer processing is increasingly focused on macromolecular engineering: the manipulation of structure at the molecular scale to control properties and fitness for purpose of the final component. Intimately linked to this are the objectives of predicting properties in the context of an optimised design and of establishing robust processing routes and process control systems allowing the desired properties to be achieved reliably.