Resin, preparation method therefor, resin composition, and molded product

Patent metadata

Field	Value
Publication number	US-12497484-B2
Application number	US-202218037001-A
Country	US
Kind code	B2
Filing date	Aug 12, 2022
Priority date	Aug 12, 2021
Publication date	Dec 16, 2025
Grant date	Dec 16, 2025

Abstract

A resin, a method for preparing the same, a resin composition including the same, and a molded article including the resin composition are disclosed herein. In some embodiments, the resin includes a unit of Chemical Formula 1 and a unit of Chemical Formula 2

wherein, in Chemical Formulae 1 and 2, Ar1, Ar2, R1 to R3, r1 to r3, L1, L2, X1 to X10, X′9, X′10, Z1 to Z6, La, La′, La″, La′″, a, b, c, d, p, q, t, t′, m, n, m′ and n′ are defined herein.

First claim

The invention claimed is:

1 . A resin, comprising:
a unit of the following Chemical Formula 1; and a unit of the following Chemical Formula 2:

wherein, in Chemical Formulae 1 and 2,
Ar1 and Ar2 are the same as or different from each other, and are each independently a substituted or unsubstituted aryl group, or a substituted or unsubstituted heteroaryl group,
R1 is hydrogen, deuterium, a halogen group, a cyano group, a substituted or unsubstituted alkyl group, a substituted or unsubstituted cycloalkyl group, a substituted or unsubstituted alkoxy group, a substituted or unsubstituted silyl group, a substituted or unsubstituted aryl group, or a substituted or unsubstituted heteroaryl group,
R2 and R3 are different from each other, and are each independently hydrogen, deuterium, a halogen group, a cyano group, a substituted or unsubstituted alkyl group, a substituted or unsubstituted cycloalkyl group, a substituted or unsubstituted alkoxy group, a substituted or unsubstituted silyl group, an aryl group which is unsubstituted or substituted with deuterium, a halogen group, a hydroxyl group, a cyano group, an alkyl group, a cycloalkyl group, an alkoxy group, an alkenyl group, an aryloxy group, an arylthio group, an alkylthio group, an aryl group, or a heteroaryl group, or a substituted or unsubstituted heteroaryl group,
r1 is 1 or 2, and when r1 is 2, each R1 is the same as or different from each other,
r2 and r3 are each an integer from 1 to 4, and when r2 is 2 to 4, two or more R2 are the same as or different from each other, and when r3 is 2 to 4, two or more R3 are the same as or different from each other,
L1 and L2 are the same as or different from each other, and are each independently a substituted or unsubstituted arylene group, or a heteroarylene group,
X1 to X10, X′9 and X′10 are the same as or different from each other, and are each independently O or S,
Z1 to Z6 are the same as or different from each other, and are each independently a substituted or unsubstituted alkylene group, a substituted or unsubstituted cycloalkylene group, a substituted or unsubstituted arylene group, or a substituted or unsubstituted heteroarylene group,
La, La′, La″ and La′″ are the same as or different from each other, and are each independently a direct bond or —C(═O)-L-,
L is a substituted or unsubstituted arylene group,
a, b, c, d, p and q are the same as or different from each other, and are each independently an integer from 0 to 6, and when a, b, c, d, p and q are each 2 to 6, each a-group, b-group, c-group, d-group, p-group, and q-group are the same as or different from each other,
t and t′ are the same as or different from each other, and are each independently an integer from 1 to 6, and when t and t′ are each 2 to 6, each t-group and t′-group are the same as or different from each other,
m and n are the same as each other, and are 0 or 1,
when m and n are 0, t, r and s are 1, and La is —C(═O)-L-, and
when m and n are 1, t is an integer from 1 to 6, r+s=1, 0<r<1, and 0<s<1, and
m′ and n′ are the same as each other, and are 0 or 1,
when m′ and n′ are 0, t′, x and y are 1, and La′ is —C(═O)-L-, and
when m′ and n′ are 1, t′ is an integer from 1 to 6, x+y=1, 0<x<1, and 0<y<1.

2 . The resin of claim 1 , further comprising:
a unit of the following Chemical Formula 3:

in Chemical Formula 3,
L11 is a substituted or unsubstituted alkylene group, a substituted or unsubstituted cycloalkylene group, or a substituted or unsubstituted arylene group,
l11 is an integer from 1 to 5, and when l11 is 2 to 5, two or more L11 are the same as or different from each other,
X11 to X16 are the same as or different from each other, and are each independently O or S,
Z11 to Z13 are the same as or different from each other, and are each independently a substituted or unsubstituted alkylene group, or a substituted or unsubstituted cycloalkylene group,
Lb and Lb′ are the same as or different from each other, and are each independently a direct bond or —C(═O)-L′-,
L′ is a substituted or unsubstituted arylene group,

a′, b′ and p′ are the same as or different from each other, and are each independently an integer from 0 to 6, and when a′, b′ and p′ are each 2 to 6, each a′-group, b′-group, and p′-group are the same as or different from each other,
t″ is an integer from 1 to 6, and when t″ is 2 to 6, each t″-group is the same as or different from each other, and
m″ and n″ are the same as each other, and are 0 or 1,
when m″ and n″ are 0, t″, r′ and s′ are 1, and Lb is —C(═O)-L′-,
when m″ and n″ are 1, t″ is an integer from 1 to 6, r′+s′=1, 0<r′1, and 0<s′<1.

3 . The resin of claim 1 , wherein Chemical Formula 1 is the following Chemical Formula 1-1 or 1-2:

in Chemical Formula 1-1,
Ar1, Ar2, R1, r1, X1 to X4, Z1, Z2, a and b are the same as defined in Chemical Formula 1,
La is —C(═O)-L-,
L is a substituted or unsubstituted arylene group,
in Chemical Formula 1-2,
Ar1, Ar2, R1, r1, X1 to X4, X9, X10, Z1, Z2, Z5, a, b, t and p are the same as defined in Chemical Formula 1,
La and La″ are the same as or different from each other, and are each independently a direct bond or —C(═O)-L-,
L is a substituted or unsubstituted arylene group,
0<r<1,
0<s<1, and
r+s=1.

4 . The resin of claim 1 , wherein Chemical Formula 2 is the following Chemical Formula 2-1 or 2-2:

in Chemical Formula 2-1,
R2, R3, r2, r3, L1, L2, X5 to X8, Z3, Z4, c and d are the same as defined in Chemical Formula 2,
La′ is —C(═O)-L-,
L is a substituted or unsubstituted arylene group,
in Chemical Formula 2-2,
R2, R3, r2, r3, L1, L2, X5 to X8, X′9, X′10, Z3, Z4, Z6, c, d, t′ and q are the same as defined in Chemical Formula 2,
La′ and La′″ are the same as or different from each other, and are each independently a direct bond or —C(═O)-L-,
L is a substituted or unsubstituted arylene group,
0<x<1,
0<y<1, and
x+y=1.

5 . The resin of claim 1 , wherein Ar1 and Ar2 are the same as or different from each other, and are each independently a substituted or unsubstituted aryl group having 6 to 30 carbon atoms, or a substituted or unsubstituted heteroaryl group having 3 to 30 carbon atoms.

6 . The resin of claim 1 , wherein Z1 to Z6 are the same as or different from each other, and are each independently a substituted or unsubstituted alkylene group having 1 to 10 carbon atoms.

7 . The resin of claim 1 , wherein R2 is an aryl group which is unsubstituted or substituted with deuterium, a halogen group, a hydroxyl group, a cyano group, an alkyl group, a cycloalkyl group, an alkoxy group, an alkenyl group, an aryloxy group, an arylthio group, an alkylthio group, an aryl group, or a heteroaryl group.

8 . The resin of claim 1 , wherein the resin has a weight average molecular weight of 3,000 g/mol to 500,000 g/mol.

9 . The resin of claim 7 , wherein the resin h

Assignees

• Lg Chemical Ltd

Inventors

• Choi Il Hwan
• Kim Kyeongmun
• Jung Min Suk
• Bae Jaesoon
• Shin Hyeonah
• Yim Hye Jin

Classifications

• G02B1/041 Primary

  Lenses · CPC title

• C08L71/10

  from phenols · CPC title

• C08L69/00

  Compositions of polycarbonates; Compositions of derivatives of polycarbonates · CPC title

• C08L67/02

  Polyesters derived from dicarboxylic acids and dihydroxy compounds (C08L67/06 takes precedence) · CPC title

• C08G64/226

  and alcohols · CPC title