Fluorine-containing polymer, composition, optical film, liquid crystal film, hardcoat film, and polarizing plate

Patent metadata

Field	Value
Publication number	US-2023143665-A1
Application number	US-202218046378-A
Country	US
Kind code	A1
Filing date	Oct 13, 2022
Priority date	Apr 28, 2020
Publication date	May 11, 2023
Grant date	—

Abstract

A fluorine-containing polymer includes a repeating unit represented by General Formula (I). In General Formula (I), L 1 represents a single bond or a divalent linking group, R 1 represents a hydrogen atom, a fluorine atom, a chlorine atom, or an alkyl group having 1 to 20 carbon atoms, and R 2 represents a group including a fluorine atom

First claim

What is claimed is:

1 . A fluorine-containing polymer comprising a repeating unit represented by General Formula (I),

in General Formula (I), L 1 represents a single bond or a divalent linking group, R 1 represents a hydrogen atom, a fluorine atom, a chlorine atom, or an alkyl group having 1 to 20 carbon atoms, and R 2 is a group including at least one of:
(a) a group represented by Formula (1), (2), or (3),
(b) a perfluoropolyether group, or
(c) an alkyl group having 1 to 20 carbon atoms, in which the alkyl group has a hydrogen bond between a proton-donating functional group and a proton-accepting functional group, and at least one carbon atom has a fluorine atom as a substituent,

2 . The fluorine-containing polymer according to claim 1 , further comprising a repeating unit represented by General Formula (II),

in General Formula (II), R 3 represents a hydrogen atom, a fluorine atom, a chlorine atom, or an alkyl group having 1 to 20 carbon atoms, R 4 represents an aromatic ring which may have a substituent, and L 2 represents a single bond or a divalent linking group.

3 . The fluorine-containing polymer according to claim 1 , further comprising a repeating unit represented by General Formula (III),

in General Formula (III), R 5 represents a hydrogen atom, a fluorine atom, a chlorine atom, or an alkyl group having 1 to 20 carbon atoms, L 3 represents a single bond or a divalent linking group, and Q 1 represents a group including a polymerizable group selected from the group consisting of a cationically polymerizable group and a radically polymerizable group.

4 . The fluorine-containing polymer according to claim 1 , further comprising a repeating unit represented by General Formula (IV),

in General Formula (IV), R 6 represents a hydrogen atom, a fluorine atom, a chlorine atom, or an alkyl group having 1 to 20 carbon atoms, U 1 and U 2 each independently represent —O—, —S—, —COO—, —OCO—, —CONH—, —NHCOO—, or —NH—, R 7 and R 8 each independently represent a hydrogen atom, a substituted or unsubstituted aliphatic hydrocarbon group, a substituted or unsubstituted aryl group, or a substituted or unsubstituted heteroaryl group, R 7 and R 8 may be linked to each other through a linking group, and L 4 represents a single bond or a divalent linking group.

5 . The fluorine-containing polymer according to claim 1 , further comprising a partial structure formed by a radical polymerization of a compound having a mesogen group derived from at least one liquid crystal compound selected from the group consisting of a rod-like liquid crystal compound and a disk-like liquid crystal compound, and two or more polymerizable groups,
wherein the fluorine-containing polymer is branched.

6 . The fluorine-containing polymer according to claim 5 ,
wherein the compound having a mesogen group derived from the rod-like liquid crystal compound, and two or more polymerizable groups is a compound represented by General Formula (X),

in General Formula (X), Q X1 and Q X2 each independently represent a polymerizable group, L X1 and L X4 each independently represent a divalent linking group, L X2 and L X3 each independently represent a single bond or a divalent linking group, Cy X1 , Cy X2 , and Cy X3 each independently represent a divalent cyclic group, and nx represents an integer of 0 to 3.

7 . The fluorine-containing polymer according to claim 5 ,
wherein the compound having a mesogen group derived from the disk-like liquid crystal compound, and two or more polymerizable groups is a compound represented by General Formula (I-X),

in General Formula (I-X), Y 11 , Y 12 , and Y 13 each independently represent a methine which may be substituted or a nitrogen atom, L 1 , L 2 , and L 3 each independently represent a single bond or a divalent linking group, H 1 , H 2 , and H 3 each independently represent a group represented by General Formula (I-A) or a group represented by General Formula (I-B), and R 1 , R 2 , and R 3 each independently represent a group represented by General Formula (I-R),

in General Formula (I-A), YA 1 and YA 2 each independently represent a methine which may have a substituent, or a nitrogen atom, XA represents an oxygen atom, a sulfur atom, a methylene, or an imino, * represents a position for bonding to an L 1 to L 3 side in General Formula (I-X), and ** represents a position for bonding to an R 1 to R 3 side in General Formula (I-X),

in General Formula (I-B), YB 1 and YB 2 each independently represent a methine which may have a substituent, or a nitrogen atom, XB represents an oxygen atom, a sulfur atom, a methylene, or an imino, * represents a position for bonding to an L 1 to L 3 side in General Formula (I-X), and ** represents a position for bonding to an R 1 to R 3 side in General Formula (I-X),

in General Formula (I-R), * represents a position for bonding to an H 1 to H 3 side in General Formula (I-X), U 1 represents a single bond or a divalent linking group, Q 2 represents a divalent group having at least one cyclic structure, n1 represents an integer of 0 to 4, U 2 and L 3 each independently represent a divalent linking group, and Q 1 represents a polymerizable group or a hydrogen atom, provided that in General Formula (I-X), at least two of a plurality of Q 1 's represent polymerizable groups.

8 . The fluorine-containing polymer according to claim 1 , further comprising a partial structure formed by a radical polymerization of a compound having a mesogen group derived from at least one liquid crystal compound selected from the group consisting of a rod-like liquid crystal compound and a disk-like liquid crystal compound, and two or more polymerizable groups,
wherein the fluorine-containing polymer is branched, and in General Formula (I), R 2 is a group including at least one of: (a) the group represented by the Formula (1), (2), or (3), (c) the alkyl group having 1 to 20 carbon atoms, in which the alkyl group has a hydrogen bond between a proton-donating functional group and a proton-accepting functional group, and at least one carbon atom has a fluorine atom as a substituent.

9 . The fluorine-containing polymer according to claim 1 , further comprising a repeating unit represented by General Formula (II) and a partial structure,
wherein the fluorine-containing polymer is branched, in General Formula (I), R 2 is a group including (b) the perfluoropolyether group,

in General Formula (II), R 3 represents a hydrogen atom, a fluorine atom, a chlorine

Assignees

• Fujifilm Corp

Inventors

• Tamura Akio
• Akutagawa Nobuyuki
• Fukushima Yuta

Classifications

• C08F20/22 Primary

  Esters containing halogen · CPC title

• C08F220/303

  and one or more carboxylic moieties in the chain · CPC title

• C09K19/3852

  Poly(meth)acrylate derivatives · CPC title

• C09K19/542

  Macromolecular compounds · CPC title

• C09K19/3497

  the heterocyclic ring containing sulfur and nitrogen atoms · CPC title