Polyurethane in intimate contact with fibrous material

Details Polyurethane in intimate contact with fibrous material Polyurethane in intimate contact with fibrous material

B - Operations, Transporting

32

B

B32B 5/18 (2006.01) B29C 44/06 (2006.01) B32B 5/20 (2006.01) B32B 5/22 (2006.01) B32B 5/24 (2006.01) B32B 5/26 (2006.01) B32B 5/28 (2006.01) B32B 27/04 (2006.01) B32B 27/06 (2006.01) B32B 27/08 (2006.01) B32B 27/12 (2006.01) B32B 27/18 (2006.01) B32B 27/40 (2006.01) B65D 25/40 (2006.01) B65D 35/38 (2006.01) C08J 3/20 (2006.01) C08J 9/08 (2006.01) C08K 7/02 (2006.01) C08K 7/04 (2006.01) C08K 7/06 (2006.01) C08K 7/08 (2006.01) C08K 7/10 (2006.01) C08L 75/04 (2006.01) C09D 175/04 (2006.01)

Patent

CA 2442002

A sprayable polymeric material and a process for preparing the material which contains a fibrous material, dispersed throughout the polymeric material. A restriction free spray nozzle is provided for mixing and spraying the polymeric material having a fibrous material, the nozzle having a restriction free check valve. A reinforced structure, and a method of making the structure are provided, the structure having layers of the polymeric material (both film and foam) containing the fibrous material. The flexible liner is provided of a porous geotextile fabric and a polyurethane composition comprising the fibrous material sprayed over the geotextile fabric.

La présente invention concerne une matière polymère pouvant être pulvérisée et un procédé permettant la préparation d'une matière qui contient une matière fibreuse, dispersée à travers la matière polymère. Une buse de pulvérisation sans restriction sert à mélanger et à pulvériser la matière polymère contenant une matière fibreuse, la buse présentant un clapet de retenue sans restriction. Cette invention concerne également une structure renforcée et un procédé permettant la réalisation de ladite structure, la structure présentant des couches de matière polymère (à la fois sous forme de film et de mousse) contenant la matière fibreuse. Le revêtement flexible est doté d'un tissu géotextile poreux et d'une composition polyuréthane comprenant la matière fibreuse pulvérisée sur le tissu géotextile.

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