申请人:Uniroyal, Inc.
公开号:US04175200A1
公开(公告)日:1979-11-20
N,N'-disubstituted sulfonyl hydrazine with the following structural formula are disclosed: R(SO.sub.2 NR.sup.1 NHR.sup.2).sub.n wherein the R.sup.1 and R.sup.2 groups are the same or different and are either --COOR.sup.3 or --CONHR.sup.4. These novel compounds are useful as high temperature blowing agents for gas-expandable polymers.
披露了具有以下结构式的N,N'-二取代磺酰肼:R(SO.sub.2 NR.sup.1 NHR.sup.2).sub.n,其中R.sup.1和R.sup.2基团相同或不同,可以是--COOR.sup.3或--CONHR.sup.4。这些新型化合物可用作高温膨胀聚合物的发泡剂。