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公开(公告)号:US06673445B2
公开(公告)日:2004-01-06
申请号:US10258138
申请日:2002-10-21
IPC分类号: D01F600
CPC分类号: D01F6/74 , D04H1/4326 , D04H1/4391 , Y10T428/2913 , Y10T428/2964 , Y10T428/2967
摘要: Polybenzazole fibers wherein the mean square roughness of the fiber surface is 20 nm or less, or polybenzazole fibers wherein the X-ray meridian diffraction half-height width factor is 0.3°/GPa or less, and their utilization such as shock-resistant members and heat-resistant felt, etc.
摘要翻译: 其中纤维表面的均方粗糙度为20nm以下的聚吲唑纤维或X射线子午线衍射半高宽度因子为0.3°/ GPa以下的聚吲哚纤维及其抗冲击性构件和 耐热毡等
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公开(公告)号:US4824929A
公开(公告)日:1989-04-25
申请号:US93605
申请日:1987-09-08
申请人: Yoshikazu Arimatsu , Katsuya Tani , Hideyuki Mitamura , Minoru Saito , Atsushi Kaji , Kenichi Katsuo
发明人: Yoshikazu Arimatsu , Katsuya Tani , Hideyuki Mitamura , Minoru Saito , Atsushi Kaji , Kenichi Katsuo
CPC分类号: C08L67/00 , C08G61/02 , C08L75/04 , C08G2261/312 , C08G2261/3424
摘要: A polymeric antioxidant which comprises a monomeric unit having a formula (I): ##STR1## wherein R.sub.1 is methyl or ethyl; and a monomeric unit having a formula (II): ##STR2## which imparts an excellent resistance against heat- or light-aging to a synthetic fiber and a resin.
摘要翻译: 一种聚合物抗氧化剂,其包含具有式(I)的单体单元:其中R 1为甲基或乙基; 和具有式(II)的单体单元:赋予对合成纤维和树脂的耐热或光老化优异的耐性的化合物(II)。
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