公开(公告)号：US3899623A

公开(公告)日：1975-08-12

申请号：US49340274

申请日：1974-07-31

申请人： TORAY INDUSTRIES

发明人： OKAZAKI KAORU ,  YAGI KENKICHI ,  ICHIMURA AKIRA ,  MASUBUCHI YOSHINORI

IPC分类号： C08G18/42 ,  C08G18/48 ,  D04H1/48 ,  C08G22/10 ,  B44D1/40

CPC分类号： C08G18/4854 ,  C08G18/4252 ,  D04H1/48 ,  Y10T442/2369

摘要： Synthetic leather formed by impregnating non-woven fabric fibers with a linear polyurethane elastomer containing a linear block copolymer segment

where O-A-O and O-B-O represent polytetramethylene ether glycol residue, and

is an organic dicarboxylic acid residue. This invention relates to synthetic leather which has improved properties and does not cause trouble in processing, such as in shoemaking and in sewing, and particularly in dyeing.

摘要翻译： 通过用含有线性嵌段共聚物链段的线性聚氨酯弹性体浸渍无纺织物纤维形成的合成革，其中O-A-O和O-B-O代表聚四亚甲基醚二醇残基，OO PARALLEL PARALLEL -C-Q-C是有机二羧酸残基。

公开(公告)号：US3899292A

公开(公告)日：1975-08-12

申请号：US33856573

申请日：1973-03-06

申请人： TORAY INDUSTRIES

发明人： OKAZAKI KAORU ,  YAGI KENKICHI ,  OKAMOTO MIYOSHI ,  WATANABE KOJI ,  HIKOTA TOYOHIKO ,  KUBO MASAYOSHI

IPC分类号： C08G18/12 ,  C08G18/40 ,  D04H1/64 ,  D06N3/00 ,  D06N3/14 ,  D06P3/82 ,  D06P7/00

CPC分类号： D06P7/005 ,  C08G18/12 ,  C08G18/4018 ,  D04H1/587 ,  D04H1/64 ,  D06N3/0002 ,  D06N3/0056 ,  D06N3/14 ,  D06P3/8214 ,  Y10S8/929 ,  C08G18/3225

摘要： Preparing suede-like leather sheet materials by passing a napped sheet with a fluid through a venturi-nozzle having a predetermined inner area. The sheet has naps of superfine denier fiber at least on one surface, and comprises (a) a non-woven fabric made up to 0.01-0.3 denier superfine staple fibers of breaking strength below 3 grams and an elongation at break of 60180 percent and (b) a polyurethane elastomer obtained by reacting a diol mixture by weight of about 20-40 parts of polycaprolactone diol of a molecular weight of about 1000-3000 and about 60-80 parts of polytetramethyleneetherglycol of a molecular weight of about 1000-3000 with an organic diisocyanate and a diamine chain extender.