EP0243207A2
Expired / Lapsed
EP
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Alpha-alkylacrylamide derivatives and their polymers
Assignee: Nippon Paint Co Ltd
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Filing: 1987-04-27
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Granted: —
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Expires: 2007-04-27
Abstract
Abstract A polymer comprising a carbon-carbon backbone chain and at least one N-(substituted oxalyl)carbamoyl group of the formula: -CO-NH-CO-CO-OR' wherein R' is a hydrocarbon group and at least one lower alkyl group attached to said chain, which is useful as a resin component in a coating, adhesive or molding composition.
Inventors
- 👤 Yuji Suzuki
- 👤 Satoshi Urano
- 👤 Hirotoshi Umemoto
- 👤 Ryuzo Mizuguchi
- 👤 Kei Aoki
- 👤 Noriyuki Tsuboniwa
Bibliographic Details
Application Number
—
Jurisdiction
EP
Data Source
google_patents
Last Synchronized
2026-10-26 09:45
CPC Classifications
C; C08; C08F; C08F20/00; C08F20/02; C08F20/52; C08F20/54; C08F20/58
Claims Analysis
Total Claims: 19
Claim 1
Independent Claim
35 words
A polymer comprising a carbon-carbon backbone chain and at least one N-(substituted oxalyl)carbamoyl group of the formula: -CO-NH-CO-CO-OR' wherein R' is a hydrocarbon group and at least one lower alkyl group attached to said chain.
Claim 2
Dependent Claim
35 words
A polymer comprising a carbon-carbon backbone chain and at least one N-(substituted oxalyl)carbamoyl group of the formula: -CO-NH-CO-CO-OR' wherein R' is a hydrocarbon group and at least one lower alkyl group attached to said chain.
Claim 3
Dependent Claim
49 words
The polymer according to claim 1, wherein the hydrocarbon group is chosen from an alkyl group, an alkenyl group, an alkynyl group, a cycloalkyl group, an aryl group, an aralkyl group and an alkyl group substituted with a group of the formula: -OR" wherein R" is an unsaturation-containing group.
Claim 4
Dependent Claim
15 words
The polymer according to claim 1, which has a molecular weight of 1,000 to 100,000.
Claim 5
Dependent Claim
29 words
The polymer according to claim 1, which has the N-(substituted oxalyl)carbamoyl group in a content of 0.1 to 76.0 % by weight based on the weight of the polymer.
Claim 6
Dependent Claim
41 words
The polymer according to claim 1, which is obtained by polymerizing an N-(substituted oxalyl)-alpha-alkylacrylamide of the formula: CH 2 =CR-CO-NH-CO-CO-OR' wherein R is a lower alkyl group and R' is a hydrocarbon group optionally with at least one other polymerizable monomer.
Claim 7
Dependent Claim
43 words
A process for preparing the polymer according to claim 1, which comprising polymerizing an N-(substituted oxalyl)-alpha-alkylacrylamide of the formula: CH 2 =CR-CO-NH-CO-CO-OR' wherein R is a lower alkyl group and R' is a hydrocarbon group optionally with at least one other polymerizable monomer.
Claim 8
Dependent Claim
22 words
The process according to claim 6, wherein the polymerization is effected in an inert solvent in the presence of a radical initiator.
Claim 9
Dependent Claim
22 words
An N-(substituted oxalyl)-alpha-alkylacrylamide of the formula: CH 2 =CR-CO-NH-CO-CO-OR' wherein R is a lower alkyl group and R' is a hydrocarbon group.
Claim 10
Dependent Claim
22 words
An N-(substituted oxalyl)-alpha-alkylacrylamide of the formula: CH 2 =CR-CO-NH-CO-CO-OR' wherein R is a lower alkyl group and R' is a hydrocarbon group.
Claim 11
Dependent Claim
50 words
The N-(substituted oxalyl)-alpha-alkylacrylamide according to claim 8, wherein the hydrocarbon group is chosen from an alkyl group, an alkenyl group, an alkynyl group, a cycloalkyl group, an aryl group, an aralkyl group and an alkyl group substituted with a group of the formula: -OR" wherein R" is an unsaturation-containing group.
Claim 12
Dependent Claim
42 words
A process for preparing the N-(substituted oxalyl)-alpha-alkylacrylamide according to claim 8, which comprises reacting acrylamide with an oxalyl monohalide monoester of the formula: X-CO-CO-OR' wherein R' is as defined in claim 8 and X is a halogen atom in an inert solvent.
Claim 13
Dependent Claim
20 words
The process according to claim 10, wherein the reaction is carried out in the presence of a hydrogen halide-capturing substance.
Claim 14
Dependent Claim
69 words
A process for preparing the N-(substituted oxalyl)-alpha-alkylacrylamide according to claim 8, which comprises reacting acrylamide with an oxalyl dihalide of the formula: X-CO-CO-X wherein X is a halogen atom in an inert solvent and reacting the resulting oxazolinedione hydrohalide of the formula: wherein R is as defined in claim 8 and X is as defined above with an alcohol of the formula: R'-OH wherein R' is a hydrocarbon group.
Claim 15
Dependent Claim
24 words
The process according to claim 12, wherein the reaction in the second step is carried out in the presence of a hydrogen halide-capturing substance.
Claim 16
Dependent Claim
33 words
A process for preparing the N-(substituted oxalyl)-alpha-alkylacrylamide according to claim 8, which comprises reacting acrylamide with an oxalyl diester of the formula: R'0-CO-CO-OR' wherein R' is a hydrocarbon group in an inert solvent.
Claim 17
Dependent Claim
20 words
The process according to claim 14, wherein the reaction is carried out in the presence of a hydrogen halide-capturing substance.
Claim 18
Dependent Claim
17 words
A bis(alpha-alkylacrylamide) compound of the formula: CH 2 =CR-CO-NH-CO-CO-NH-CO-CR=CH 2 wherein R is a lower alkyl group.
Claim 19
Dependent Claim
17 words
A bis(alpha-alkylacrylamide) compound of the formula: CH 2 =CR-CO-NH-CO-CO-NH-CO-CR=CH 2 wherein R is a lower alkyl group.
References Cited (Backward Citations)
No citation records indexed.
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