Study on the Structure and Properties of Ribbed Smoked Sheet Prepared from Two Typical Rubber Tree Clones

WANG Hao-zhi; LI Yu-pan; LI Gao-rong; LIAO Xiao-xue; LIAO Lu-sheng

doi:10.14028/j.cnki.1003-3726.2025.24.352

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Study on the Structure and Properties of Ribbed Smoked Sheet Prepared from Two Typical Rubber Tree Clones

更新时间：2025-02-27

- Study on the Structure and Properties of Ribbed Smoked Sheet Prepared from Two Typical Rubber Tree Clones
- Polymer Bulletin Vol. 38, Issue 3, Pages: 496-503(2025)
- 作者机构：
  
  1.海南大学材料科学与工程学院，海口 570288
  2.中国热带农业科学院农产品加工研究所，海南省天然橡胶加工重点实验室，湛江 524001
- 作者简介：
- 基金信息：
- DOI：10.14028/j.cnki.1003-3726.2025.24.352
  CLC：
- Received：21 November 2024，
  
  Accepted：2024-12-16，
  
  Published Online：27 January 2025，
  
  Published：20 March 2025
- 稿件说明：
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王浩志, 李玉攀, 李高荣, 廖小雪, 廖禄生. 两个典型橡胶树品种制备烟片胶的结构与性能研究. 高分子通报,2025,38(3),496–503.

Wang, H. Z.; Li, Y. P.; Li, G. R.; Liao, X. X.; Liao, L. S. Study on the structure and properties of ribbed smoked sheet prepared from two typical rubber tree clones. Polym. Bull. (in Chinese), 2025, 38(3), 496–503.
王浩志, 李玉攀, 李高荣, 廖小雪, 廖禄生. 两个典型橡胶树品种制备烟片胶的结构与性能研究. 高分子通报,2025,38(3),496–503. DOI： 10.14028/j.cnki.1003-3726.2025.24.352.

Wang, H. Z.; Li, Y. P.; Li, G. R.; Liao, X. X.; Liao, L. S. Study on the structure and properties of ribbed smoked sheet prepared from two typical rubber tree clones. Polym. Bull. (in Chinese), 2025, 38(3), 496–503. DOI： 10.14028/j.cnki.1003-3726.2025.24.352.

摘要

为正确把握橡胶树品种对烟片胶质量一致性的影响，本研究选取了固有分子量分布分属单峰家族和双峰家族的2个典型橡胶树品种IAN873和热研73397，在胶乳阶段设置不加恒粘剂和加恒粘剂2种处理，按照相同工艺制备了4个烟片胶样品。生胶本征结构和关键非胶组分分析表明，IAN873制备烟片胶样品的重均分子量、数均相对分子量、凝胶含量、门尼黏度、塑性初始值均显著高于热研73397，蛋白质和类脂物含量也高于热研73397。硫化胶性能分析表明，IAN873制备烟片胶样品具有更高的有效交联密度，导致其具有明显更高的定伸应力和拉伸强度、更低的动态生热和压缩永久变形。综合来看，橡胶树品种会对烟片胶的结构与性能产生明显的影响，是影响烟片胶质量一致性的关键因素。

Abstract

To understand the influence of rubber tree clones on the quality consistency of ribbed smoked sheet (RSS)

two typical rubber tree clones

IAN873 and Reyan73397

whose inherent molecular weight distribution (MWD

) belonged to the unimodal MWD

and bimodal MWD

respectively

were selected in this study to prepare four RSS samples according to the same process in the latex stage. Analysis of the intrinsic structure and key non-rubber components of raw rubber showed that the weight average and number average relative molecular weight

gel content

Mooney viscosity

and initial plastic value of the RSS samples prepared using IAN873 were significantly higher than those prepared using Reyan73397. And the protein and lipid contents of IAN873 were also higher than those prepared using Reyan73397. Analysis of the properties of the vulcanizates revealed that IAN873 exhibited a higher effective crosslinking density

leading to increased stress at definite elongation and tensile strength

as well as reduced dynamic heat generation and permanent compression deformation. Overall

rubber tree clones have a significant influence on the structure and properties of RSS

which is the key factor affecting the quality consistency of RSS.

关键词

Keywords

references

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