Copolymer for producing molded bodies that are dimensionally...

C - Chemistry – Metallurgy – 08 – F

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Details

C08F 220/10 (2006.01) C08F 220/18 (2006.01) C08F 220/56 (2006.01)

Patent

CA 2743674

The invention relates to a copolymer for producing molded compounds or cast glass for the production of molded bodies having increased dimensional stability under heat, obtainable from the copolymerization of A) one or more ethylenically unsaturated ester compounds of the formula (I), where R1 is hydrogen or methyl and R2 a linear or branched alkyl group with 1 to 8 carbon atoms, B) one or more ethylenically unsaturated ester compounds of the formula (II), where R3 is hydrogen or methyl and R4 a cyclic group with 8 to 30 carbon atoms, C) one or more ethylenically unsaturated ester compounds of the formula (III), where R5 is hydrogen or methyl and R6 and R7, independently of each other, are hydrogen or a linear or branched group with 1 to 40 carbon atoms.

L'invention porte sur un copolymère pour la fabrication de matières moulables ou de verre coulé pour la fabrication de corps moulés présentant une résistance à la déformation à chaud accrue, pouvant être obtenu par copolymérisation de A) un ou plusieurs composés ester éthyléniquement insaturé de formule (I), où R1 représente hydrogène ou méthyle et R2 représente un reste alkyle linéaire ou ramifié avec 1 à 8 atomes de carbone, B) un ou plusieurs composés ester éthyléniquement insaturé de formule (II) où R3 représente hydrogène ou méthyle et R4 représente un reste alkyle avec 8 à 30 atomes de carbone, c) un ou plusieurs composés ester éthyléniquement insaturé de formule (III) où R5 représente hydrogène ou méthyle et R6 et R7, indépendamment l'un de l'autre, représentent hydrogène ou un reste linéaire ou ramifié avec 1 à 40 atomes de carbone.

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