C - Chemistry – Metallurgy – 08 – K
Patent
C - Chemistry, Metallurgy
08
K
400/102, 403/28
C08K 3/34 (2006.01) C01B 33/32 (2006.01) C08G 18/18 (2006.01) C08G 18/38 (2006.01) C08G 18/40 (2006.01) C08G 18/50 (2006.01) C08G 77/02 (2006.01) C08J 9/04 (2006.01)
Patent
CA 1193399
Abstract of the Disclosure Stable water glass solutions are obtained (A) by mixing a solution of an aqueous alkali silicate solution and alkali hydroxide with a tertiary amine and subsequently oxyalkylating the resultant two-phase reaction mixture with at least one alkylene oxide in such an amount that a uniform solution forms or (B) by oxyalkylating a tertiary amine with at least one alkylene oxide and mixing the resultant reaction mixture with a solution of an aqueous alkali silicate solution and alkali hydroxide. The stable water glass solutions are suitable for the preparation of organo silicate foams. For the preparation of the organo silicate foams, a mixture of the stable water glass solutions and tertiary amino group-containing polyether polyols is reacted with organic polyisocyanates in the presence of catalysts, blowing agents and optionally auxiliaries and additives.
432865
Gehm Robert
Horn Peter
Marx Matthias
Roeber Artur
Basf Aktiengesellschaft
Robic Robic & Associes/associates
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