The use of polyaspartic acid salts as a grinding agent

Details The use of polyaspartic acid salts as a grinding agent The use of polyaspartic acid salts as a grinding agent

B - Operations, Transporting

02

C

B02C 23/06 (2006.01) C09C 3/04 (2006.01) C09C 3/10 (2006.01) C09D 17/00 (2006.01) D21H 17/69 (2006.01)

Patent

CA 2226642

This invention involves the use of polyaspartic acid salts as a grinding agent to produce aqueous suspensions of refined mineral matter which can be pumped, deposit no sediment and are highly concentrated in mineral matter; it includes the grinding process which uses the agent in question, the aqueous suspensions of mineral matter obtained and their application to the paper industry.

Utilisation de sels d'acides polyaspartiques comme agent d'aide au broyage dans le but d'obtenir des suspensions aqueuses de matières minérales affinées, pompables, ne sédimentant pas et fortement concentrées en matières minérales. Procédé de broyage mettant en oeuvre ledit agent. Suspensions aqueuses de matières minérales obtenues et leurs applications dans le domaine du papier.

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