C - Chemistry – Metallurgy – 08 – G
Patent
C - Chemistry, Metallurgy
08
G
C08G 18/16 (2006.01) C08G 18/18 (2006.01) C08G 18/20 (2006.01) C08G 18/22 (2006.01) C08G 18/24 (2006.01) C08G 18/28 (2006.01) C08G 18/48 (2006.01) C08J 9/12 (2006.01)
Patent
CA 2659694
Viscoelastic polyurethane foam is prepared by using certain additives in the foam formulation. The additives include 1) alkali metal or transition metal salts of carboxylic acids; 2) 1,3,5-tris alkyl- or 1,3,5-tris (N,N-diaIkyl amino alkyl)- hexahydro-s-triazine compounds; and 3) Ci-12 carboxylate salts of quaternary ammonium compounds. The additives significantly improve processing and in particular permit the use of higher isocyanate indices, which helps to improve foam physical properties.
L'invention concerne une mousse de polyuréthanne viscoélastique, ladite mousse étant préparée en utilisant certains additifs dans la formulation de la mousse. Les additifs comprennent 1) des sels de métaux alcalins ou de métaux de transition d'acides carboxyliques ; 2) des composés 1,3,5-tris alkyl- ou 1,3,5-tris (N,N-dialkyl amino alkyl)-hexahydro-s-triazine ; et 3) des sels carboxylate en C1-12 de composés d'ammonium quaternaire. Les additifs améliorent de manière significative le traitement et permettent notamment l'utilisation d'indices d'isocyanate plus élevés, ce qui contribue à améliorer les propriétés physiques de la mousse.
Butler Denise Renee
Gamboa Rogelio Ramos
O'neill Robert E.
Obi Bernard Emeka
Dow Global Technologies Inc.
Dow Global Technologies Llc
Smart & Biggar
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