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公开(公告)号：US3546060A
公开(公告)日：1970-12-08
申请号：US3546060D
申请日：1967-05-10
Applicant: BAYER AG
Inventor： HOPPE PETER , ESSIG KARL AUGUST , DORNHEIM GOETZ-GOTMAR , BENDLER ERICH , WEBER KARL-ARNOLD , LANGENTHAL WOLFRAM VON
CPC classification number: C08J9/0085 , B29C44/12 , B29K2105/06 , C08K7/02 , C08K7/04 , C08K9/04 , Y10T428/24994 , Y10T428/249952 , Y10T442/627 , Y10T442/647 , C08L101/00
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公开(公告)号：US3624020A
公开(公告)日：1971-11-30
申请号：US3624020D
申请日：1967-09-27
Applicant: BAYER AG
Inventor： KLEBERT WOLFGANG , SCHAFER KARL , LANGENTHAL WOLFRAM VON
CPC classification number: C08G18/6266 , C08G18/10 , C08G18/61 , C08G18/62
Abstract: A process for preparing modified aqueous dispersions of polymers and copolymers by reacting an aqueous dispersion of the polymers or copolymers with the reaction product of a high molecular weight compound containing at least two active hydrogen atoms and an excess of an organic polyisocyanate.
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公开(公告)号：US3565745A
公开(公告)日：1971-02-23
申请号：US3565745D
申请日：1969-09-02
Applicant: BAYER AG
Inventor： WEBER KARL-ARNOLD , RELLENSMANN WOLFGANG , LANGENTHAL WOLFRAM VON
IPC: D04H1/42 , D04H1/425 , D04H1/43 , D04H1/4334 , D04H1/4358 , D04H1/46 , D04H1/485 , D04H1/645 , D04H1/74 , B32B5/06 , B32B5/28
CPC classification number: D04H1/4358 , D04H1/425 , D04H1/43 , D04H1/4334 , D04H1/4374 , D04H1/46 , D04H1/485 , D04H1/645 , D04H1/74 , Y10T442/602 , Y10T442/667 , Y10T442/668 , Y10T442/682
Abstract: ELASTIC NON-WOVEN FIBROUS SHEET MATERIAL IS PRODUCED BY PREPARING A MAT FROM ELASTIC POLYURETHANE STAPLE FIBERS AND CELLULOSE, POLYAMIDE OR POLYACRYLONITRILE STAPLE FIBERS BY CARDING THE FIBERS IN LAYERS WITH THE ELASTIC POLYURETHANE FIBER BEING EMBEDDED BETWEEN TWO LAYERS OF CELLULOSE, POLYAMIDE OR POLYACRYLONITRILE FIBER AND CON-A SOLIDATING THE FORMED MULTILAYER TO AN ELASTIC NON-WOVEN FIBROUS SHEET MATERIAL. THE FIBROUS SHEET MATERIAL MAY THEN BE BONDED BY COATING THE SHEET MATERIAL WITH A BINDING AGENT.
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