仿生天然橡胶生胶的流变行为表征

黄绍永; 徐晓雷; 叶峰; 陈全

doi:10.11777/j.issn1000-3304.2023.23213

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仿生天然橡胶生胶的流变行为表征

研究论文 | 更新时间：2024-02-08

- 仿生天然橡胶生胶的流变行为表征
- Rheological Behavior of Biomimetic Rubber
- 高分子学报 2024年55卷第3期页码：359-368
- 作者机构：
  
  高分子物理与化学国家重点实验室中国科学院长春应用化学研究所长春 130022
- 作者简介：
  
  E-mail: xlxu@ciac.ac.cn
  yefeng@ciac.ac.cn
- 基金信息：
  
  中国科学院先导项目(XDC06000000)
- DOI：10.11777/j.issn1000-3304.2023.23213
  中图分类号：
- 纸质出版日期：2024-03-20，
  
  网络出版日期：2024-01-15，
  
  收稿日期：2023-10-23，
  
  录用日期：2023-11-15
- 稿件说明：
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黄绍永, 徐晓雷, 叶峰, 陈全. 仿生天然橡胶生胶的流变行为表征. 高分子学报, 2024, 55(3), 359-368

Huang, S. Y.; Xu, X. L.; Ye, F.; Chen, Q. Rheological behavior of biomimetic rubber. Acta Polymerica Sinica, 2024, 55(3), 359-368
黄绍永, 徐晓雷, 叶峰, 陈全. 仿生天然橡胶生胶的流变行为表征. 高分子学报, 2024, 55(3), 359-368 DOI： 10.11777/j.issn1000-3304.2023.23213.

Huang, S. Y.; Xu, X. L.; Ye, F.; Chen, Q. Rheological behavior of biomimetic rubber. Acta Polymerica Sinica, 2024, 55(3), 359-368 DOI： 10.11777/j.issn1000-3304.2023.23213.

摘要

明确橡胶的流变行为对于理解其链结构和加工行为，以及二者之间的关系至关重要. 本文中通过流变学测试手段对比研究了仿生天然橡胶和天然橡胶的生胶的线性黏弹行为和非线性流变行为. 相比于商品化合成异戊橡胶，文中的仿生天然橡胶和天然橡胶表现出更为相近的线性黏弹行为，主要表现为近乎相同的平台模量、末端弛豫时间、复数黏度，以及在加工窗口区域相同的剪切黏度对剪切速率的依赖性. 非线性松弛行为的结果表明，天然橡胶和仿生天然橡胶的松弛模量对于时间均表现为幂律关系，对时间和应变的依赖具有可分离性，二者的衰减函数对应变的依赖性由于链结构和微观精细结构的不同而存在一定差异.

Abstract

关键词

仿生天然橡胶天然橡胶线性黏弹性衰减函数

Keywords

Biomimetic rubberNatural rubberLinear viscoelasticityDamping function

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