Surface-protected transparent plastic composite

Details Surface-protected transparent plastic composite Surface-protected transparent plastic composite

2005-01-25

2005-01-25

Peng, Kuo-Liang (Department: 1712)

Stock material or miscellaneous articles

Composite

Of silicon containing

C428S412000, C428S451000, C428S500000, C428S039000, C524S847000, C524S560000, C524S336000, C524S356000, C524S091000, C524S100000, C525S100000, C525S186000, C525S497000

Reexamination Certificate

active

06846567

ABSTRACT:
A surface-protected plastic composite material comprising a transparent plastic, a coating layer (I) as a first layer stacked on the transparent plastic and a thermally cured coating layer (II) as a second layer stacked on the first layer, the coating layer (I) being formed of a resin composition containing at least 50% by weight, based on the resin content thereof, of an acrylic resin which is an acrylic resin containing at least 50 mol % of recurring unit based on an alkyl methacrylate, the thermally cured coating layer (II) being made of an organosiloxane resin formed from the following components a, b and c,(A) colloidal silica (component a),(B) a hydrolysis condensate (component b) of a trialkoxysilane,(C) a hydrolysis condensate (component c) of a tetraalkoxysilane,the organosiloxane resin containing 5 to 45% by weight of the component a, 50 to 80% by weight of the component b and 2 to 30% by weight of the component c, and use of the composite material as a window glass.The present invention provides a transparent plastic composite material that is remarkably improved in abrasion resistance and anti-peeling properties.

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