UV Curable polysiloxane from colloidal silica, methacryloyl silane, diacrylate, resorcinol monobenzoate and photoinitiator
First Claim
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1. A substantially solvent free UV curable organopolysiloxane hard coat composition comprising by weight(A) 1-60% by weight of colloidal silica,(B) 1-50% of a material resulting from the hydrolysis of γ
- -methacryloxypropyltrimethoxysilane,(C) 25% to 90% of an acrylate monomer mixture of hexanedioldiacrylate and trimethylolpropane triacrylate,(D) 0.1 to 5% of α
,α
-diethoxyacetophenone and(E) an effective amount of resorcinol monobenzoate.
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Abstract
UV curable coating compositions are provided based on the use of photoinitiator with the hydrolysis product of silylacrylate and aqueous colloidal silica. The UV curable silicone coating compositions also can contain polyfunctional acrylate. The UV curable hardcoat composition can be applied onto various substrates, for example, a polycarbonate substrate, and thereafter cured under UV radiation to produce adherent and abrasion resistant coated articles.
214 Citations
1 Claim
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1. A substantially solvent free UV curable organopolysiloxane hard coat composition comprising by weight
(A) 1-60% by weight of colloidal silica, (B) 1-50% of a material resulting from the hydrolysis of γ - -methacryloxypropyltrimethoxysilane,
(C) 25% to 90% of an acrylate monomer mixture of hexanedioldiacrylate and trimethylolpropane triacrylate, (D) 0.1 to 5% of α
,α
-diethoxyacetophenone and(E) an effective amount of resorcinol monobenzoate.
- -methacryloxypropyltrimethoxysilane,
Specification
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Current AssigneeGeneral Electric Company
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Original AssigneeGeneral Electric Company
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InventorsOlson, Daniel R., Webb, Karen K.
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Primary Examiner(s)Bleutge, John C.
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Assistant Examiner(s)Koeckert, A. H.
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Application NumberUS06/269,122Time in Patent Office1,114 DaysField of Search204/159.13US Class Current522/44CPC Class CodesC08F 222/102 of dialcohols, e.g. ethylen...C08F 222/103 of trialcohols, e.g. trimet...C09D 4/00 Coating compositions, e.g. ...Y10T 428/31507 Of polycarbonate
