申请人:Hoechst Aktiengesellschaft
公开号:US05597881A1
公开(公告)日:1997-01-28
A polyolefin molding composition essentially comprising a polyolefin derived from an olefin having at least 3 carbon atoms, of the formula R.sup.a --CH.dbd.CH--R.sup.b, in which R.sup.a and R.sup.b are identical or different and are hydrogen or C.sub.1 -C.sub.15 -alkyl, straight-chain or branched, or R.sup.a and R.sup.b, together with the atoms connecting them, form a ring, where the polyolefin molding composition may contain up to 10% by weight of ethylene or a second olefin as defined above as comonomer, having a molecular weight M.sub.w of >80,000 g/mol, a polydispersity M.sub.w /M.sub.n of from 1.8 to 3.5, a viscosity of >70 cm.sup.3 /g, a melting point of from 130.degree. to 160.degree. C., an aligned transparency of >30% and an ether-extractable content of less than 2% by weight.
一种聚烯烃模塑组合物,基本上包括从至少具有3个碳原子的烯烃中得到的聚烯烃,该烯烃的化学式为R.sup.a --CH.dbd.CH--R.sup.b,其中R.sup.a和R.sup.b相同或不同,可以是氢或C.sub.1-C.sub.15烷基,直链或支链,或者R.sup.a和R.sup.b连同连接它们的原子形成一个环,其中聚烯烃模塑组合物可以包含高达10%的乙烯或第二种上述的烯烃作为共聚单体,具有分子量M.sub.w> 80,000 g/mol,聚分散度M.sub.w / M.sub.n在1.8至3.5之间,粘度大于70 cm.sup.3 /g,熔点在130℃至160℃之间,透明度对齐度大于30%,以及乙醚可提取物含量低于2%。