B - Operations – Transporting – 01 – F
Patent
B - Operations, Transporting
01
F
B01F 17/52 (2006.01) B01F 17/00 (2006.01) C08F 220/00 (2006.01) C08F 220/28 (2006.01) C08F 220/34 (2006.01) C08F 222/00 (2006.01) C09C 1/02 (2006.01) C09C 1/36 (2006.01) C09C 1/42 (2006.01) C09C 3/04 (2006.01) C09C 3/10 (2006.01) C09D 7/02 (2006.01) C09K 8/24 (2006.01) D21H 17/43 (2006.01) D21H 19/58 (2006.01) D21H 19/60 (2006.01)
Patent
CA 2410518
The invention concerns the use of a weakly anionic and water soluble copolymer, as dispersing and/or grinding aid agent of pigments and/or mineral fillers in aqueous suspension providing a low zeta potential to aqueous suspensions of said fillers and/or pigments and providing elector-steric stabilisation to said suspensions. The invention also concerns said aqueous suspensions of pigments and/or mineral fillers and their uses in the fields of paper industry, for making or coating paper, drilling mud for oil exploration and extraction. The invention also concerns the use of said dispersing and/or grinding aid agents in the fields of paints and plastic materials such as thermoplastic or thermosetting resins.
L'invention concerne l'utilisation d'un copolymère faiblement anionique et hydrosoluble, comme agent dispersant et/ou d'aide au broyage de pigments et/ou charges minérales en suspension aqueuse donnant d'une part un faible potentiel Zéta aux suspensions aqueuses desdites charges et/ou pigments et d'autre part apportant une stabilisation électro-stérique desdites suspensions. L'invention concerne également lesdites suspensions aqueuses de pigments et/ou charges minérales et leurs utilisations dans les domaines du papier, comme la fabrication ou le couchage du papier, des boues de forage mises en oeuvre pour la prospection ou l'extraction pétrolière. L'invention concerne aussi l'utilisation desdits agents dispersants et/ou d'aide au broyage dans les domaines des peintures et des matières plastiques comme les résines thermoplastiques ou thermodurcissables.
Gane Patrick
Jacquemet Christian
Mongoin Jacques
Suau Jean-Marc
Coatex S.a.s.
Robic
LandOfFree
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