申请人:E. I. Du Pont de Nemours and Company
公开号:US03968092A1
公开(公告)日:1976-07-06
Polycarbamates derived from furfuryl alcohol and certain aromatic di- and polyisocyanates are effective vulcanization accelerators for chloroprene polymers, while at the same time conferring on the polymer compounds exceptional processing safety. These polycarbamates also are virtually nontoxic to experimental animals. Vulcanization of chloroprene polymers is accomplished in the presence of magnesium and zinc oxides, both of which must be present.
由糠醇和某些芳香族二元和多元异氰酸酯衍生的聚氨酯是氯丁橡胶聚合物的有效硫化促进剂,同时赋予聚合物化合物出色的加工安全性。这些聚氨酯对实验动物也几乎无毒。氯丁橡胶聚合物的硫化是在镁和锌氧化物的存在下完成的,两者都必须存在。