Process for the preparation of antiscratch and antiabrasion...

Details Process for the preparation of antiscratch and antiabrasion... Process for the preparation of antiscratch and antiabrasion...

C - Chemistry, Metallurgy

08

J

C08J 7/04 (2006.01) B05D 7/02 (2006.01) C08J 7/18 (2006.01) C09D 4/00 (2006.01) C09D 4/02 (2006.01)

Patent

CA 2149601

The invention refers to a process to render antiscratch and antiabrasion shaped articles based on thermoplastic acrylic polymers consisting in coating the article by a composition comprising a) 40-98.5% by weight of at least a (meth)acrylic monomer and/or oligomer having at least two polymerizable dou- ble bonds; b) 1-20% by weight of at least a (meth)acrylic monomer and/or oligomer containing polar groups; c) 0.5-10% by weight of a UV photoinitiator; optionally colloidal silica, UV stabilizers and non ionic surfactants and by polymerizing and crosslinking in situ said composition by UV light, at temperatures of 20-65°C.

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