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UTILISATION D'UN POLYMÈRE PEIGNE (MÉTH)ACRYLIQUE CONTENANT UN ESTER (MÉTH)ACRYLIQUE COMME AGENT DISPERSANT ET ANTI-DÉMOUSSANT DANS UNE SUSPENSION AQUEUSE DE SULFATE DE CALCIUM HÉMIHYDRATÉ
This invention relates to the use, in a foamy aqueous suspension of calcium sulfate hemihydrate, as an agent having the dual function of being a dispersing agent and an anti-defoaming agent, of a comb polymer made up of (meth)acrylic acid, a monomer which is an alcoxy- or hydroxy-polyalkylene glycol, and an ester of (meth)acrylic acid. It also relates to the aqueous suspensions thereby formed, and the plasterboard manufactured from 2 sheets of paper containing a body resulting from the drying of said suspensions.
UTILISATION D'UN POLYMÈRE PEIGNE (MÉTH)ACRYLIQUE CONTENANT UN ESTER (MÉTH)ACRYLIQUE COMME AGENT DISPERSANT ET ANTI-DÉMOUSSANT DANS UNE SUSPENSION AQUEUSE DE SULFATE DE CALCIUM HÉMIHYDRATÉ
This invention relates to the use, in a foamy aqueous suspension of calcium sulfate hemihydrate, as an agent having the dual function of being a dispersing agent and an anti-defoaming agent, of a comb polymer made up of (meth)acrylic acid, a monomer which is an alcoxy- or hydroxy-polyalkylene glycol, and an ester of (meth)acrylic acid. It also relates to the aqueous suspensions thereby formed, and the plasterboard manufactured from 2 sheets of paper containing a body resulting from the drying of said suspensions.
UTILISATION D'UN POLYMÈRE PEIGNE (MÉTH)ACRYLIQUE CONTENANT UN ESTER (MÉTH)ACRYLIQUE COMME AGENT DISPERSANT ET ANTI-DÉMOUSSANT DANS UNE SUSPENSION AQUEUSE DE SULFATE DE CALCIUM HÉMIHYDRATÉ
USE OF A (METH)ACRYLIC COMB POLYMER CONTAINIG (METH)ACRYLIC ESTER AS DISPERSING AGENT AND ANTI-DEFOAMING AGENT IN AN AQUEOUS SUSPENSION OF CALCIUM SULFATE HEMIHYDRATE
VERWENDUNG EINES (METH)ACRYL KAMMPOLYMERS ENTHALTEND (METH)ACRYLSÄUREESTER ALS DISPERGIERMITTEL UND ALS ANTI-ENTSCHÄUMER IN EINER WÄSSERIGEN SUSPENSION VON CALCIUMSULFAT-HEMIHYDRAT
SUAU JEAN-MARC (Autor:in) / KENSICHER YVES (Autor:in)
14.12.2016
Patent
Elektronische Ressource
Französisch
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