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UV curable coating compositions, abrasion resistant UV stabilized thermoplastic composites and method

  • US 5,162,390 A
  • Filed: 08/07/1991
  • Issued: 11/10/1992
  • Est. Priority Date: 03/05/1990
  • Status: Expired due to Fees
First Claim
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1. A UV curable coating composition consisting essentially of by weight(A) 100 parts of a mixture of a UV curable polyfunctional acrylate, and a UV curable hydrolysis product of silylacrylate and arqueous colloidal silica,(B) 0.3 to 10 parts of an acylphosphine oxide which is effective for polymerizing the UV curable organic coating composition with light having a wavelength of from about 360 nm to about 410 nm and(C) a UV absorber, where the UV absorber is used in the UV curable coating composition in an amount which is sufficient to provide a weight ratio of acylphosphine oxide to UV absorber having a value of about 0.04 to about 0.3.

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