硫代亚磺酸衍生的硫代醛作为亲烯剂，通过醛烯反应对顺式1,4-聚异戊二烯进行改性和硫化

IF 1.2 4区工程技术 Q4 POLYMER SCIENCE

Rubber Chemistry and Technology Pub Date : 2023-05-12 DOI:10.5254/rct.23.76030

L. Jia, Nathan D. Schmitz

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引用次数: 0

摘要

在Alder-ene反应中，研究了硫代醛作为亲烯化合物对顺式-1,4-聚异戊二烯进行改性和交联。在传统的橡胶加工设备中，硫亚磺酸盐产生了高反应性的硫醛。用单官能硫代亚磺酸盐将酯和酰胺官能团接枝到顺式-1,4-聚异戊二烯上。使用低聚硫代亚磺酸盐在温和条件下交联顺式-1,4-聚异戊二烯。对使用这些新型交联剂形成的网络进行了表征。在优化的交联条件下获得了良好的力学性能。

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THIOSULFINATE-DERIVED THIOALDEHYDES AS ENOPHILES FOR MODIFICATION AND VULCANIZATION OF CIS-1,4-POLYISOPRENE VIA ALDER-ENE REACTIONS

Thioaldehydes are explored as enophiles in Alder-ene reactions for modification and crosslinking of cis-1,4-polyisoprene. The highly reactive thioaldehydes were generated from thiosulfinates in conventional rubber processing equipment. Monofunctional thiosulfinates were used to graft ester and amide functional groups to cis-1,4-polyisoprene. Oligomeric thiosulfinates were used to crosslink cis-1,4-polyisoprene under mild conditions. The networks formed using these new crosslinking agents are characterized. Good mechanical properties were obtained under optimized crosslinking conditions.

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来源期刊

Rubber Chemistry and Technology 工程技术-高分子科学

CiteScore

3.50

自引率

20.00%

发文量

审稿时长

3.6 months

期刊介绍： The scope of RC&T covers: -Chemistry and Properties- Mechanics- Materials Science- Nanocomposites- Biotechnology- Rubber Recycling- Green Technology- Characterization and Simulation. Published continuously since 1928, the journal provides the deepest archive of published research in the field. Rubber Chemistry & Technology is read by scientists and engineers in academia, industry and government.