# US 2014/0194591 A1 · Decomposable polymer

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- Number: US 2014/0194591 A1
- Document ID: US20140194591A1
- Status: Published application
- Kind: A1
- Application number: 14/134,483
- Filed: 2013-12-19
- Published: 2014-07-10
- Earliest claimed: 2013-01-09
- Assignees: Ricoh Company, Ltd.
- Inventors: Masato SHINODA; Toshiya SAGISAKA
- Web page: https://patentgrep.com/patent/US20140194591A1

## CPC

- C08G 63/553: Acids or hydroxy compounds containing cycloaliphatic rings, e.g. Diels-Alder adducts
- C08G 63/18: the acids or hydroxy compounds containing carbocyclic rings
- C08G 63/19: Hydroxy compounds containing aromatic rings
- C08G 63/199: Acids or hydroxy compounds containing cycloaliphatic rings
- C08G 63/54: the acids or hydroxy compounds containing carbocyclic rings
- C08G 63/547: Hydroxy compounds containing aromatic rings
- C08G: MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS

## Abstract

A decomposable polymer represented by General Formula (1): where X1 denotes a certain group; X2 denotes a certain group; R1 and R2 each independently denote a hydrogen atom, an alkyl group, an aromatic group, or an electron-withdrawing group; R3 and R4 each independently denote a hydrogen atom, an alkyl group, or an aromatic group, provide that R3, R4, or both are a hydrogen atom; R5 and R6 each independently denote a hydrogen atom, an alkyl group, or an aromatic group, provide that R5, R6, or both are a hydrogen atom; R7 and R8 each independently denote a hydrogen atom, an alkyl group, a halogen atom, or an aromatic group, provided that R7 and R8 may bond together to form a ring structure; R9 and R10 each independently denote a hydrogen atom, an alkyl group, or an aromatic group; n denotes a positive integer; and m denotes 0 or 1.

## Claims

### Claim 1

A decomposable polymer represented by the following General Formula (1);
wherein X1 denotes a group represented by the following General Formula (2); X2 denotes a group represented by the following General Formula (3); R1 and R2 each independently denote a hydrogen atom, an alkyl group, an aromatic group, or an electron-withdrawing group; R3 and R4 each independently denote a hydrogen atom, an alkyl group, or an aromatic group, provide that R3, R4, or both thereof are a hydrogen atom; R5 and R6 each independently denote a hydrogen atom, an alkyl group, or an aromatic group, provide that R5, R6, or both thereof are a hydrogen atom; R7 and R8 each independently denote a hydrogen atom, a halogen atom, an alkyl group, or an aromatic group, provided that R7 and R8 may bond together to form a ring structure; R9 and R10 each independently denote a hydrogen atom, an alkyl group, or an aromatic group; n denotes a positive integer; and m denotes 0 or 1;
wherein Y1 denotes an oxygen atom or a sulfur atom;
wherein R11 and R12 each independently denote a hydrogen atom, an alkyl group, an aromatic group, or an electron-withdrawing group; R13 and R14 each independently denote a hydrogen atom, an alkyl group, or an aromatic group; X3 denotes a single bond or a group represented by the following General Formula (4); k denotes 0 or a positive integer, provided that when X3 is the single bond, k is 0; and a carbon atom indicated by a symbol * hinds to a carbon atom of a carbonyl group indicated by a symbol * in the General Formula (1);
wherein Y2 denotes an oxygen atom or a sulfur atom.

### Claim 2 (depends on 1)

The decomposable polymer according to claim 1, wherein, in the General Formula (1), the group represented by the General Formula (3) is a group represented by the following General Formula (5):
wherein R11 and R12 each independently denote a hydrogen atom, an alkyl group, an aromatic group, or an electron-withdrawing group; R13 and R14 each independently denote a hydrogen atom, an alkyl group, or an aromatic group; X3 denotes a group represented by the following General Formula (6); and a carbon atom indicated by a symbol * binds to a carbon atom of a carbonyl group indicated by a symbol * in the General Formula (1);
wherein Y2 denotes an oxygen atom or a sulfur atom.

### Claim 3 (depends on 1)

The decomposable polymer according to claim 1, wherein the decomposable polymer is represented by the following General Formula (7):
wherein R3 and R4 each independently denote a hydrogen atom, an alkyl group, or an aromatic group, provide that R3, R4, or both thereof are a hydrogen atom; R5 and R6 each independently denote a hydrogen atom, an alkyl group, or an aromatic group, provide that R5, R6, or both thereof are a hydrogen atom; R7 and R8 each independently denote a hydrogen atom, a halogen atom, an alkyl group, or an aromatic group, provided that R7 and R8 may bond together to form a ring structure; R9 and R10 each independently denote a hydrogen atom, an alkyl group, or an aromatic group; and n denotes a positive integer.

### Claim 4 (depends on 1)

The decomposable polymer according to claim 1, wherein the decomposable polymer is represented by the following General Formula (8):
wherein X1 denotes a group represented by the following General Formula (9); X2 denotes a group represented by the following General ic Formula (10); R1 and R2 each independently denote a hydrogen atom, an alkyl group, an aromatic group, or an electron-withdrawing group; R3 and R4 each independently denote a hydrogen atom, an alkyl group, or an aromatic group, provide that R3, R4, or both thereof are a hydrogen atom; R5 and R6 each independently denote a hydrogen atom, an alkyl group, or an aromatic group, provide that R5, R6, or both thereof are a hydrogen atom; R7 and R8 each independently denote a hydrogen atom, a halogen atom, an alkyl group, or an aromatic group, provided that R7 and R8 may bond together to form a ring structure; R9 and R10 each independently denote a hydrogen atom, an alkyl group, or an aromatic group; and n denotes a positive integer;
wherein Y1 denotes an oxygen atom or a sulfur atom;
wherein R11 and R12 each independently denote a hydrogen atom, an alkyl group, an aromatic group, or an electron-withdrawing group; R13 and R14 each independently denote a hydrogen atom, an alkyl group, or an aromatic group; X3 denotes a group represented by the following General Formula (11); and a carbon atom indicated by a symbol * binds to a carbon atom of a carbonyl group indicated by a symbol * in the General Formula (8);
wherein Y2 denotes an oxygen atom or a sulfur atom.

### Claim 5 (depends on 1)

The decomposable polymer according to claim 1, wherein Y1 and Y2 denote an oxygen atom.

### Claim 6 (depends on 1)

The decomposable polymer according to claim 1, wherein the decomposable polymer is decomposed into a dicarboxylic acid compound and a conjugated compound through application of heat energy.

### Claim 7 (depends on 6)

The decomposable polymer according to claim 6, wherein the dicarboxylic acid compound is decarboxylated through application of heat energy.