C - Chemistry – Metallurgy – 08 – L
Patent
C - Chemistry, Metallurgy
08
L
C08L 33/10 (2006.01) C08F 2/22 (2006.01) C08F 265/06 (2006.01) C08F 285/00 (2006.01) C08J 3/12 (2006.01) C08L 33/02 (2006.01) C08L 51/04 (2006.01)
Patent
CA 2489937
The present invention relates to core-shell polymers having a hydrophilic copolymer shell, and a high level of core material of from 75 to 95 weight percent. The hydrophilic shell provides better coverage of the core resulting in better powder properties such as anti-blocking. The hydrophilic shell also allows for a thinner shell and a larger elastomeric core. Core-shell polymers of the invention are especially useful as impact modifiers for plastic materials.
La présente invention a trait à des polymères cour-coquille possédant une coquille de copolymère hydrophile, ainsi qu'une forte proportion d'une matière de noyau (75 à 95 % en poids). La coquille hydrophile permet une meilleure couverture du cour grâce aux propriétés améliorées de la poudre, par exemple l'anti-blocage. La coquille hydrophile permet la formation d'une coquille plus mince et d'un cour élastomère plus gros. Les polymères cour-coquille sont particulièrement utiles comme modificateurs de la résistance aux chocs dans les matières plastiques.
Edgecombe Brian
Hong Sheng
Pirri Rosangela
Arkema Inc.
Borden Ladner Gervais Llp
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