C - Chemistry – Metallurgy – 08 – L
Patent
C - Chemistry, Metallurgy
08
L
C08L 33/12 (2006.01) C08F 265/04 (2006.01) C08F 265/06 (2006.01)
Patent
CA 2235158
Acrylic compositions are provided which comprise a matrix of polymethyl methacrylate having dispersed within it particles comprising 75 to 90 weight percent of polymethyl methacrylate and greater than 10 to 25 weight percent of a comonomer comprising an ethylenically unsaturated monomer that copolymerizes with methyl methacrylate, wherein the particles further comprise more than 0.4 weight percent of a cross-linker.
L'invention concerne des compositions acryliques comprenant une matrice de polyméthyle méthacrylate dans laquelle sont dispersées des particules comportant 75 à 90 % en poids de polyméthyle méthacrylate et une quantité supérieure à 10-25 % en poids d'un comonomère composé d'un monomère éthyléniquement insaturé effectuant une copolymérisation avec le méthyle méthacrylate, ces particules comportant, de plus, une quantité supérieure à 0,4 % en poids d'un agent de réticulation.
Delphin Walter H.
Dickerson Connie D.
Farooq Fareeduddin
Leach James R.
Leach Marcia O.
Gowan Intellectual Property
Ici Acrylics Inc.
Lucite International Inc.
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