Weather resistant substrates having protective elastomeric...

Details Weather resistant substrates having protective elastomeric... Weather resistant substrates having protective elastomeric...

B - Operations, Transporting

27

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154/131, 154/97

B27N 3/00 (2006.01) B29D 99/00 (2010.01) B27N 3/06 (2006.01) B32B 21/02 (2006.01) B32B 21/08 (2006.01) B32B 25/02 (2006.01) C08J 3/24 (2006.01) E04C 2/24 (2006.01)

Patent

CA 1279566

ABSTRACT WEATHER RESISTANT SUBSTRATES HAVING PROTECTIVE ELASTOMERIC LAYERS Substrates such as chipboard or cement aggregate board are upgraded with a cured rubber layer by forming on the substrate a composite of uncured but curable rubber sheeting containing a heat activatable curative with an intermediate film of polar thermosetting resin, and hot pressing the uncured composite so as to form polar bonds between the resin and substrate with simultaneous co-vulcanisation of the rubber and the resin.

512439

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