B - Operations – Transporting – 29 – C
Patent
B - Operations, Transporting
29
C
B29C 33/56 (2006.01) B29D 35/14 (2010.01) A43B 13/04 (2006.01) B29C 33/60 (2006.01) B29C 39/02 (2006.01) B29C 45/00 (2006.01) C08G 18/12 (2006.01) C08G 18/66 (2006.01) C08K 5/11 (2006.01)
Patent
CA 2256973
Process for molding polyurethane, according to which a mixture containing at least one isocyanate prepolymer and at least one hydroxylated organic compound which can react with said prepolymer is introduced into a mold, an internal demolding agent being added to said mixture, in which said internal demolding agent consists of at least one diester of at least one aliphatic, aromatic, alicylic or dimeric diacid and of at least one linear or branched aliphatic monoalcohol, said diester containing 24 to 52 carbon atoms in total.
Chesquiere Denis
Loc'h Daniel
Sim & Mcburney
Witco
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