C - Chemistry – Metallurgy – 08 – L
Patent
C - Chemistry, Metallurgy
08
L
C08L 75/04 (2006.01) B32B 5/18 (2006.01) C08J 9/00 (2006.01) C08K 3/04 (2006.01)
Patent
CA 2116556
ABSTRACT OF THE DISCLOSURE A closed cell, rigid, polymer foam comprising the reaction product of a polyisocyanate and an isocyanate- reactive compound in the presence of (a) a foaming agent, (b) at least about 2 percent by weight of carbon black, based on the weight of the polymer in the foam, and (c) a capped polyoxyalkylene compound which helps bring about a uniform dispersion of the carbon black throughout the foam so that the aged k-factor of the foam is below the aged k-factor of the corresponding unfilled foam.
Apache Building Products Company
Celotex Corporation (the)
Mitchell Richard J.
LandOfFree
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