C - Chemistry – Metallurgy – 07 – C
Patent
C - Chemistry, Metallurgy
07
C
C07C 265/14 (2006.01) C08G 18/70 (2006.01) C08G 18/72 (2006.01) C08J 9/14 (2006.01) C08L 75/04 (2006.01)
Patent
CA 2141890
A polyisocyanate having an acid value of at least 0.01% HCl is used to produce polyisocyanate, polyisocyanurate and polyurethane urea foams with an HCFC blowing agent. The use of such a polyisocyanate is advantageous because the polyisocyanate does not cause significant decomposition of the HCFC blowing agent.
Beaumont Jeanne L.
Mortimer Charles E.
Parsons Harold R.
Schilling Steven L.
Sutej Joseph M.
Corporation Bayer
Ogilvy Renault Llp/s.e.n.c.r.l.,s.r.l.
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