B - Operations – Transporting – 32 – B
Patent
B - Operations, Transporting
32
B
B32B 27/12 (2006.01) B29C 43/00 (2006.01) B29C 43/12 (2006.01) B29C 43/20 (2006.01) B29C 70/08 (2006.01) B29C 70/34 (2006.01) B29C 70/54 (2006.01) B32B 27/04 (2006.01) B32B 27/14 (2006.01) B32B 27/40 (2006.01) C08J 5/04 (2006.01) C08J 5/12 (2006.01)
Patent
CA 2223431
An article which comprises (1) a composite comprising a polyurethane matrix including fibrous or particulate reinforcement, the polyurethane matrix being formed in situ about the reinforcement by reaction of polyurethane forming components at a temperature below the melting point of the reinforcement and (2) a polymeric film bound to at least one surface of the composite, the film being bound to the composite by adhesion to the polyurethane matrix which emerges or is enhanced as the matrix is formed in situ.
Un article comprend un matériau composite constitué d'une matrice de polyuréthanne composée d'un renforcement fibreux ou particulaire (2) et formée in situ au niveau du renforcement par réaction des composants du polyuréthanne, à une température inférieure au point de fusion du renforcement, et un film de polymère lié à une ou plusieurs surfaces du matériau composite, ce film étant lié au matériau composite par adhésion à la matrice de polyuréthanne qui émerge ou qui est améliorée au moment où cette matrice est formée in situ.
Cochran William H.
Goudreau Gage Dubuc
LandOfFree
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