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- Title
Study on the storage performance of MG30/NRL co-blended latexes.
- Authors
Chen, Fanfan; Xiao, Yao; Yan, Sitong; Fang, Lin; Wang, Zhifen; Liao, Jianhe
- Abstract
Modifying natural rubber latex (NRL) and blending it with NRL can improve NRL performance and expand application fields. The performance of co-blended latex will change due to changes in non-rubber components during storage. Therefore, it is important to study the change of properties during the storage of co-blended latexes. In this paper, 30% methyl methacrylate grafted natural rubber (MG30) was synthesized by cumene hydroperoxide/ tetraethylenepentamine (CHPO/TEPA) initiating system, MG30 and NRL were mixed in different proportions to study the morphology and physical and mechanical properties, and the colloidal properties and emulsion properties of co-blended latexes were studied during storage. The results showed that the mechanical stability of NRL and co-blended latexes were high and the viscosity gradually increased during storage. The study of the vulcanization characteristics of the co-blended latexes films and the physical and mechanical properties of the vulcanized latex films showed that the vulcanization time of the co-blended films increased and the torque value increased in comparison to NRL. With the increase of MG30 content, the tensile strength and tear strength of the co-blended latexes vulcanized films showed a trend of increasing and then decreasing, and the co-blended film with 10% MG30 showed the best mechanical properties.
- Subjects
RUBBER; LATEX; METHYL methacrylate; VULCANIZATION; TENSILE strength; PERFORMANCE theory
- Publication
Journal of Polymer Research, 2023, Vol 30, Issue 8, p1
- ISSN
1022-9760
- Publication type
Article
- DOI
10.1007/s10965-023-03698-3