C - Chemistry – Metallurgy – 08 – G
Patent
C - Chemistry, Metallurgy
08
G
C08G 18/08 (2006.01) B29C 45/00 (2006.01) C08G 18/65 (2006.01) C08L 75/04 (2006.01)
Patent
CA 2111154
RESIN TRANSFER MOLDING PROCESS ABSTRACT OF THE DISCLOSURE This invention relates to a process for preparing polyurethanes by reacting, in accordance with the resin transfer molding technique at an isocyanate index of about 80 to about 120, (a) an organic polyisocyanate; (b) about 60 to about 98 percent by weight, based on the total amount of components (b) and (c), of at least one isocyanate-reactive compound containing at least two isocyanate-reactive hydrogen atoms and having a molecular weight of from about 400 to about 10,000; (c) about 2 to about 40 percent by weight, based on the total amount of components (b) and (c), of (i) 2-methyl-1,3- propanediol or (ii) a mixture of 2-methyl-193-propanediol with (1) up to about 30% by weight, based on the total amount of component (c), of a chain extender other than 2-methyl-1,3-propanediol and/or (2) up to about 5% by weight, based on the total amount of component (c), of a crosslinking agent; and (d) one or more catalysts and, optionally, one or more other auxiliaries and/or additives.
Mafoti Robson M.
Steppan David D.
Corporation Bayer
Smart & Biggar
LandOfFree
Resin transfer molding process does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Resin transfer molding process, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Resin transfer molding process will most certainly appreciate the feedback.
Profile ID: LFCA-PAI-O-2060321