申请人:Uniroyal, Inc.
公开号:US03946038A1
公开(公告)日:1976-03-23
Certain N,N'-bis(1,1-dioxohydrothienyl)diamino-alkanes, e.g., N,N'-bis(1,1-dioxotetrahydro-3-thienyl)-1,2-diaminopropane, useful as chain extenders for poly-urethanes, especially high resiliency, flexible poly-urethane foams.
某些N,N'-双(1,1-二氧代-羟硫烯基)二氨基烷,例如N,N'-双(1,1-二氧代四氢-3-硫基)-1,2-丙二胺,可用作聚氨酯的链延伸剂,特别是高回弹性,柔韧性聚氨酯泡沫的链延伸剂。