Process for preparing joint sealing foam

Details Process for preparing joint sealing foam Process for preparing joint sealing foam

C - Chemistry, Metallurgy

04

B

C04B 38/02 (2006.01) C04B 24/28 (2006.01) C04B 26/10 (2006.01) C04B 38/10 (2006.01) C08G 18/10 (2006.01) C08J 9/00 (2006.01) C09J 5/00 (2006.01) C08L 75/04 (2006.01)

Patent

CA 2120702

2120702 9308142 PCTABS00021 According to a process for preparing joint sealing foam, gypsum hydrate is suspended in water, the water slurry is intimately mixed with diphenylmethan-4,4'-diisocyanate prepolymers, diphenylmethan-4,2'-diisocyanate-prepolymers, 2,4-toluylene diisocyanate, 2,6-toluylene diisocyanate or with a mixture of such compounds, is introduced into the joint and is allowed to set in.

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