Back to results
US 7,120,342 B2Granted
Uv-curable and foamable resin composition
AssigneeLuvantix Co., Ltd.
InventorsSe Lee Chang, Hwa Joong Kim, Hae Woog Choi, Jung Hyun Oh, Dae Sung Lee
Life of this patent
Estimating the term…
Abstract
A UV-curable and foamable resin composition comprising a photopolymerizable urethane acrylate oligomer, a photopolymerable monomer, a photo polymerization initiator, a photolytic foaming agent selected from an azo compound, a combination of sulonium salt and an inorganic carbonate, and a mixture thereof, and a photolysis catalyst is useful for coating a fiber or ribbon bundle to be applied to an air blown fiber system.
Claims7
A process for preparing a UV-cured foam by irradiating UV light to a composition comprising:
- (A) a photolytic foaming agent selected from an azo compound, a combination of a sulfonium salt and an inorganic carbonate, and a mixture thereof, (B) a photopolymerizable urethane acrylate oligomer, (C) a photopolymerizable monomer, (D) a photopolymerization initiator, and (E) a photolysis catalyst.
Dependencies are inferred from the claim text.