Patent ID: 11932727
Assignee: LG CHEM, LTD.
Field: Macromolecular chemistry, polymers (Chemistry)
Classification: CPC C  B | IPC B  C

Claim 3:
4. The phthalonitrile-based resin according to claim 1, wherein in Chemical Formula 3, each of X1 and X2 is independently a compound of one of the following Chemical Formulas 10 to 12:, wherein in Chemical Formula 10, each of R100 to R105 is independently hydrogen, an alkyl group, an alkoxy group, an aryl group, a hydroxy group, or a carboxyl group;, wherein in Chemical Formula 11:
each of R100 to R119 is independently hydrogen, an alkyl group, an alkoxy group, an aryl group, a hydroxy group, or a carboxyl group:
X′ is a single bond, an alkylene group, an alkylidene group, —O—, —S—, —C(═O)—, —NRa—, —S(═O)—, —S(═O)2—, -L9-Ar3-L10 or -L11-Ar4-L12-Ar5-L13-;
Ra is hydrogen, an alkyl group, an alkoxy group, or an aryl group;
each of L9 to L13 is independently a single bond, —0—, an alkylene group, or an alkylidene group; and
each of Ar3 to Ar5 is independently an arylene group;, wherein in Chemical Formula 12, each of R120 to R129 is independently hydrogen, an alkyl group, an alkoxy group, an aryl group, a hydroxy group, or a carboxyl group.