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US 2014/0110748 A1Published application
Curable composition
AssigneeLG Chem, Ltd.
InventorsMin Jin KO, Jae Ho JUNG, Myung Sun MOON, Bum Gyu CHOI, Dae Ho KANG, Min Kyoun KIM, Byung Kyu CHO
Life of this patent
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Abstract
Provided is a curable composition and its use. The curable composition may exhibit excellent processibility and workability. The curable composition has excellent light extraction efficiency, crack resistance, hardness, thermal and shock resistance and an adhesive property after curing. The curable composition may provide a cured product exhibiting stable durability and reliability under severe conditions for a long time and having no whitening and surface stickiness.
Claims17
A curable composition, comprising:
- (A) an organopolysiloxane having an average composition formula of Formula 1;
- and
- (B) a crosslinked organopolysiloxane comprising an alkenyl group and an epoxy group:
- (R1R22SiO1/2)a(R3R4SiO2/2)b(R5SiO3/2)c(SiO2)d [Formula 1]
- wherein R1 is a monovalent hydrocarbon group having at least 2 carbon atoms, R2 is an alkyl group having 1 to 4 carbon atoms, R3 and R4 are each independently an alkyl group having 1 to 20 carbon atoms, an alkenyl group having 2 to 20 carbon atoms or an aryl group having 6 to 25 carbon atoms, R5 is an alkyl group having 1 to 20 carbon atoms or an aryl group having 6 to 25 carbon atoms, with the proviso that at least one of R1, R3 and R4 is an alkenyl group;
- a is a positive number, b is 0 or a positive number, c is a positive number, d is 0 or a positive number, b/a is 5 or more, and b/c is 5 or more.
3 more elements
Dependencies are inferred from the claim text.