Glass fibre-reinforced rigid polyurethane foam and polyol...

Details Glass fibre-reinforced rigid polyurethane foam and polyol... Glass fibre-reinforced rigid polyurethane foam and polyol...

C - Chemistry, Metallurgy

08

G

400/107, 403/35

C08G 18/64 (2006.01) C08G 18/18 (2006.01) C08G 18/50 (2006.01) C08J 9/00 (2006.01) C08K 5/1565 (2006.01) C08K 5/17 (2006.01)

Patent

CA 2010581

ABSTRACT FIBRE-REINFORCED RIGID POLYURETHANE FOAM AND POLYOL COMPONENT THEREFOR Polyol compositions suitable for use in the production of fibre-reinforced rigid polyurethane foam comprises (a) at least one amino polyol obtainable by reacting an alkylene oxide with an initiator which has a functionality greater than 2, at least one aromatic ring and at least one amino nitrogen atom and (b) at least 3% by weight, based on the total weight of (a) plus (b), of an adduct of a tertiary amine and an alkylene carbonate. These novel polyol compositions provide foam-forming formulations of suitable viscosity without the need to use a CFC blowing agent and also combine high reactivity with a broad reactivity profile.

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