Raw rubber network of acid-free natural rubber and its application with solution-polymerized styrene butadiene rubber in green tires

IF 5 2区材料科学 Q1 MATERIALS SCIENCE, CHARACTERIZATION & TESTING

Polymer Testing Pub Date : 2024-10-02 DOI:10.1016/j.polymertesting.2024.108605

Yao Xiao , Biao Li , Pengfei Diao , Yinggang Huang , Xiangxu Li , Chuansheng Wang , Huiguang Bian

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Abstract

Natural raw rubber was prepared by flash evaporation process (VNR), its raw rubber network was compared with that of acid-coagulated rubber (STR20), and the effects of the ratios of VNR and STR20 to SSBR on the comprehensive performance of green tire composites were investigated. The results showed that compared with 80SSBR composites, the tensile strength and tensile product coefficient of 80VNR composites were improved by 23 % and 94 %, and the Payne effect, compression heat generation, and rolling resistance were reduced by 39 %, 9 %, and 5 %, respectively. Compared with 40STR20/40SSBR composites, the tensile product coefficient, wear resistance, and wet skid resistance of 40VNR/40SSBR composites are increased by 11 %, 5 %, and 5 %, respectively, and the Payne effect, compression heat generation, and rolling resistance were reduced by 46 %, 11 %, and 5 %, respectively. This study increased the amount of natural rubber in the green tire formulations, improving the performance of composites while achieving sustainability.

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无酸天然橡胶的生橡胶网络及其与溶液聚合丁苯橡胶在绿色轮胎中的应用

采用闪蒸法制备天然生橡胶（VNR），比较其与酸凝橡胶（STR20）的生胶网络，研究VNR和STR20与SSBR的比例对绿色轮胎复合材料综合性能的影响。结果表明，与80SSBR复合材料相比，80VNR复合材料的拉伸强度和拉伸产品系数分别提高了23%和94%，佩恩效应、压缩发热量和滚动阻力分别降低了39%、9%和5%。与 40STR20/40SSBR 复合材料相比，40VNR/40SSBR 复合材料的拉伸产品系数、耐磨性和湿滑阻力分别提高了 11%、5% 和 5%，佩恩效应、压缩发热量和滚动阻力分别降低了 46%、11% 和 5%。这项研究增加了绿色轮胎配方中天然橡胶的用量，在提高复合材料性能的同时实现了可持续性。

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来源期刊

Polymer Testing 工程技术-材料科学：表征与测试

CiteScore

10.70

自引率

5.90%

发文量

328

审稿时长

44 days

期刊介绍： Polymer Testing focuses on the testing, analysis and characterization of polymer materials, including both synthetic and natural or biobased polymers. Novel testing methods and the testing of novel polymeric materials in bulk, solution and dispersion is covered. In addition, we welcome the submission of the testing of polymeric materials for a wide range of applications and industrial products as well as nanoscale characterization. The scope includes but is not limited to the following main topics: Novel testing methods and Chemical analysis • mechanical, thermal, electrical, chemical, imaging, spectroscopy, scattering and rheology Physical properties and behaviour of novel polymer systems • nanoscale properties, morphology, transport properties Degradation and recycling of polymeric materials when combined with novel testing or characterization methods • degradation, biodegradation, ageing and fire retardancy Modelling and Simulation work will be only considered when it is linked to new or previously published experimental results.