Patent ID: 11866542
Assignee: LG CHEM, LTD.
Field: Macromolecular chemistry, polymers (Chemistry)
Classification: CPC C  B  H  Y | IPC B  C  H

Claim 4:
5. The urethane-based composition according to claim 1, wherein the moisture scavenger is selected from methyldiphenylethoxysilane, molecular sieves, p-toluenesulfonyl isocyanate (PTSI), an acid anhydride ester, a silane compound represented by the following formula, and a mixture thereof:

R1SiR2(n)R3(3-n)  [Formula]

wherein, R1 is a functional group having an inter-carbon double bond bonded to the silicon atom, R2 and R3 each independently represent a hydroxyl group, halogen, an amine group or —R4R5, which is bonded to the silicon atom, where R4 is an oxygen or sulfur atom, and R5 is an alkyl group, an aryl group, an aralkyl group, an acyl group or —R6R7, where R6 is an alkylene group or an alkylidene group, and R7 is an alkoxy group.