发明名称 Nonwoven fabrics
摘要 This invention relates to improved polypropylene nonwoven fabrics. The fabrics are made from isotactic polypropylene which has been produced with a catalyst systems comprising at least two metallocenes. These nonwoven fabrics, particularly when prepared using a spunbonding process, exhibit significantly improved strength without significant sacrifice of other favorable properties.
申请公布号 US5891814(A) 申请公布日期 1999.04.06
申请号 US19970800436 申请日期 1997.02.18
申请人 EXXON CHEMICAL PATENTS INC. 发明人 RICHESON, GALEN C.;STAHL, GLENN A.;MCALPIN, JAMES J.;SPECA, ANTHONY N.
分类号 C08F4/642;C08F4/6592;C08F8/00;C08F10/00;C08L23/12;D01F6/06;D03D15/00;D04H1/54;D04H1/56;D04H3/16;(IPC1-7):D04H1/56 主分类号 C08F4/642
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