NOUVEAUX ÉPAISSISSANTS CATIONIQUES, RÉSISTANTS AUX ÉLECTROLYTES ET UTILISABLES SUR UNE LARGE GAMME DE PH PROCÉDÉ POUR LEUR PRÉPARATION ET COMPOSITION EN CONTENANT
SOCIETE DEXPLOITATION DE PRODUITS POUR LES INDUSTRIES CHIMIQUES SEPPIC
发明人:
BRAUN, OLIVIER,MALLO, PAUL
申请号：
EP11799790.8
公开号：
EP2645989A1
申请日:
2011.11.28
申请国别(地区):
EP
年份:
2013
代理人:
摘要：
The invention relates to positive latex including a straight, branched, or cross-linked cationic polyelectrolyte from the polymerization, in molar %, of: a molar ratio of greater than or equal to 70% and less than or equal to 99% of monomer units from at least one cationic monomer b) a non-zero molar ratio of less than 20% of monomer units from N-(2-hydroxyethyl)acrylamide c) a non-zero molar ratio of less than or equal to 15% of monomer units from at least one monomer of formula (I): A-C(=0)-0-[(CH2-CH(RI)-0]n-R, where n is, independently, a number between 1 and 50, A is an unsaturated aliphatic radical including 2 to 6 carbon atoms, R1 is a hydrogen atom, a methyl radical, or an ethyl radical, and R is a straight or branched, saturated or unsaturated aliphatic radical including 8 to 30 carbon atoms d) optionally, a molar ratio of greater than 0% and less than or equal to 10% of monomer units from at least one neutral monomer other than said N-(2-hydroxyethyl)acrylamide, it being assumed that said molar ratio is strictly less than that of the monomer units from the N-(2-hydroxyethyl)acrylamide, and optionally, a molar ratio of monomer units from at least one neutral monomer other than said N-(2-hydroxyethyl)acrylamide and e) optionally, a molar ratio of greater than 0% and less than or equal to 1% of a diethylene or polyethylene cross-linking monomer. The invention also relates to a method for the preparation and use of said positive latex as a thickener for cosmetic or pharmaceutical compositions.Latex inverse comprenant un polyélectrolyte cationique, linéaire, branché ou réticulé, issu de la polymérisation pour 100% molaire : a) dune proportion molaire supérieure ou égale à 70% et inférieure ou égale 99%, dunités monomériques issues dau moins un monomère cationique, b) dune proportion molaire non nulle et inférieure à 20%, dunités monomériques issues du N-(2-hydroxy éthyl) acrylamide, c) dune proportion molaire non nulle et inférieure ou égale à 15% dunités monom
