Diol latex compositions and modified condensation polymers

Details Diol latex compositions and modified condensation polymers Diol latex compositions and modified condensation polymers

C - Chemistry, Metallurgy

08

J

C08J 11/24 (2006.01) C08F 2/22 (2006.01) C08F 2/24 (2006.01) C08F 2/44 (2006.01) C08G 18/08 (2006.01) C08G 63/00 (2006.01) C08G 85/00 (2006.01) C08J 3/00 (2006.01) C08K 3/00 (2006.01) C08K 5/053 (2006.01) C08K 5/06 (2006.01) C08K 5/42 (2006.01) C08K 7/14 (2006.01) C08L 57/00 (2006.01) C08L 67/00 (2006.01) C08L 69/00 (2006.01) C08L 75/04 (2006.01) C08L 77/12 (2006.01) C09D 5/00 (2006.01) C09D 11/10 (2006.01) C09D 157/00 (2006.01) C09D 201/00 (2006.01)

Patent

CA 2370199

In a first aspect, the invention provides a diol latex composition comprising: (a) latex polymer particles comprising a residue of an ethylenically unsaturated monomer, wherein the latex polymer particles have a size below 1000 nm; (b) a surfactant; and (c) a continuous liquid phase comprising a diol component, wherein the diol component comprises from 60 to 100 % by weight of the continuous phase, wherein the latex polymer particles are dispersed in the continuous phase. In a next aspect, the invention provides a method of making a condensation polymer/first polymer matrix comprising the steps of: (a) preparing a polymer colloid system comprising a first polymer dispersed in a liquid continuous phase; and (b) introducing the polymer colloid system into a condensation reaction medium prior to or during the condensation reaction, wherein the condensation reaction medium comprises (1) a diacid, di- isocyanate, dialkyl carbonate, diaryl carbonate, dihalo carbonate or a mixture thereof, wherein the liquid continuous phase, the condensation reaction medium or both comprises a diol component; and (c) polymerizing the diol component and component b(1), thereby forming a condensation polymer/first polymer matrix.

L'invention concerne une composition de latex diol contenant: (a) des particules polymères de latex comportant un résidu d'un monomère éthyléniquement insaturé, les particules polymères de latex présentant une taille inférieure à 1000 nm; (b) un tensioactif; et (c) une phase liquide continue comportant un constituant diol, le constituant diol comportant de 60 à 100 % en poids de la phase continue, dans laquelle les particules polymères de latex sont dispersées. L'invention concerne également un procédé de fabrication d'un polymère de condensation/d'une première matrice polymère, consistant a) à préparer un système colloïdal polymère contenant un premier polymère dispersé dans une phase liquide continue, b) à introduire le système colloïdal polymère dans un milieu de réaction de condensation avant ou durant la réaction de condensation, ledit milieu contenant (1) un diacide, un diisocyanate, un carbonate de dialkyle, un carbonate de diaryle, un dihalo carbonate, ou des mélanges de ces derniers, et la phase liquide continue ou le milieu de réaction de condensation ou les deux comprenant un constituant diol, et c) à polymériser le constituant diol et le constituant (1), pour ainsi former un polymère de condensation/une première matrice polymère.

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