Process for the production of foams based on aromatic...

Details Process for the production of foams based on aromatic... Process for the production of foams based on aromatic...

C - Chemistry, Metallurgy

08

K

403/13

C08K 3/22 (2006.01) C08J 9/00 (2006.01) C08L 75/04 (2006.01)

Patent

CA 1286840

A PROCESS FOR THE PRODUCTION OF FOAMS BASED ON AROMATIC ISOCYANATES USING MG(OH)2AND THE FOAMS PRODUCED THEREBY ABSTRACT OF THE DISCLOSURE Combustion modified foams are produced by reacting an organic aromatic polyisocyanate with an isocyanate reactive compound in the presence of a blowing agent and Mg(OH)2. The Mg(OH)2 is generally used in a quantity of from 4-100 parts by weight based on the foam taken as 100 parts by weight. Mg(OH)2 having a particle size of from 0.5-50 m is preferably used. The foams produced by the process are particularly useful in construction applications.

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