Abrasion resistant uv-curable hardcoat compositions

Details Abrasion resistant uv-curable hardcoat compositions Abrasion resistant uv-curable hardcoat compositions

C - Chemistry, Metallurgy

09

D

C09D 143/04 (2006.01) B05D 3/06 (2006.01) C08K 3/36 (2006.01) C09D 4/00 (2006.01) C09D 5/32 (2006.01)

Patent

CA 2093156

PATENTS 60SI-1522 ABSTRACT OF THE DISCLOSURE A method of making a UV curable hardcoat composition uses a strip-free process and produces hardcoats having good scribed tape pull adhesion, high resistance to scratching and a low delta taber haze after abrading for 500 cycles with a 500 gram weight. UV curable hardcoat compositions are also provided which contain high solids contents and high mole percentages of photoinitiator. Compositions containing methoxypropanol as a water miscible alcohol and methylbenzoylformate as a photoinitiator exhibit high taber hardness and can be made by processes which obviate the need for a time and energy consuming solvent-strip step. The processes are not only shorter but safer than processes which include a solvent-strip step.

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