C - Chemistry – Metallurgy – 02 – F
Patent
C - Chemistry, Metallurgy
02
F
C02F 5/12 (2006.01) C08G 73/02 (2006.01)
Patent
CA 2210329
A biodegradable anti-scalant for steam generators, boilers and other heat transfer equipment is provided. Anti-scalants prepared in accordance with the present invention include aspartic acid, poly(aspartic acid) and copolymers of aspartic acid and functionalized aspartic acid. Anti-scalants provided in accordance with the present invention are biodegradable and therefore more environmentally friendly than currently available anti-scalant for use with hard water. Methods and use of making anti-scalants are also provided.
Anti-tartre biodégradable pour générateurs de vapeur, chaudières et autres installations de transfert thermique. Les agents anti-tartre préparés selon la présente invention comprennent l'acide aspartique, le poly(acide aspartique) et des copolymères d'acide aspartique et d'acide aspartique fonctionnalisé. Les agents anti-tartre de la présente invention sont biodégradables et, par conséquent, plus écologiques que les agents anti-tartre actuellement disponibles pour l'eau dure. On présente des méthodes de préparation et des applications pour ces agents.
Govoni Donald E.
Tang Jiansheng
Nalco Chemical Company
Smart & Biggar
LandOfFree
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