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US4144388A Expired / Lapsed US ⏱️ 0.0 years remaining

Film-forming and thermocurable vinyl alcohol-substituted acrylamide copolymers and process for production thereof

Assignee: Mitsui Chemicals Inc
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Filing: 1977-12-12
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Granted: 1979-03-13
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Expires: 1997-12-12
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Abstract

Abstract A film-forming and thermocurable vinyl alcohol-substituted acrylamide copolymer consisting essentially of (1) 0 TO 20 MOLE% OF A UNIT OF THE FORMULA <IMAGE> wherein R represents a group selected from the class consisting of alkyl groups with 1 to 7 carbon atoms and aryl groups with 6 to 7 carbon atoms, and n is 0 or 1, (2) 30 TO 70 MOLE% OF A UNIT OF THE FORMULA <IMAGE> wherein n is as defined above, (3) 0 TO 20 MOLE% OF A UNIT OF THE FORMULA <IMAGE> wherein R' represents a hydrogen atom or a lower alkyl group, and R is as defined above, and (4) 30 TO 70 MOLE% OF A UNIT OF THE FORMULA <IMAGE> wherein R' is as defined above, R'' represents a group selected from the class consisting of alkyl groups with 1 to 18 carbon atoms, cycloalkyl groups with 5 to 6 carbon atoms, hydroxyalkyl groups with 2 to 4 carbon atoms and aryl groups with 6 to 7 carbon atoms, and R''' represents a group selected from the class consisting of a hydrogen atom and the group R'', the amount of each unit being based on the total amount in moles of units (1) to (4); and a process for production thereof. The above polymers are especially useful as a paint vehicle to provide coated films of various useful properties such as anti-haze property.

Inventors

  • 👤 Tadao Yatsu
  • 👤 Isaburo Higashi

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-28 00:48
CPC Classifications
C; C08; C08F; C08F8/00; C08F8/30; C08F8/32; C08J; C08J5/00; C08J5/18; C08F2810/00; C08F2810/50; Y; Y10; Y10T; Y10T428/00; Y10T428/31504; Y10T428/31551; Y10T428/31645; Y10T428/31649; Y10T428/31678; Y10T428/31692; Y10T428/31699; Y10T428/31855; Y10T428/31909; Y10T428/31928

Claims Analysis

Total Claims: 4
Claim 1
Independent Claim 271 words
A process for producing a film-forming and thermocurable unsaturated alcohol-substituted acrylamide copolymer consisting essentially of (1) 0 to 20 mole% of a unit of the formula ##STR33## wherein R represents a group selected from the class consisting of alkyl groups with 1 to 7 carbon atoms and aryl groups with 6 to 7 carbon atoms, and n is 0 or 1, (2) 30 to 70 mole% of a unit of the formula ##STR34## wherein n is as defined above, (3) 0 to 20 mole% of a unit of the formula ##STR35## wherein R' represents a hydrogen atom or a lower alkyl group, and R is as defined above, and (4) 30 to 70 mole% of a unit of the formula ##STR36## wherein R' is as defined above, R" represents a group selected from the class consisting of alkyl groups with 1 to 18 carbon atoms, cycloalkyl groups with 5 to 6 carbon atoms, hydroxyalkyl groups with 2 to 4 carbon atoms and aryl groups with 6 to 7 carbon atoms, and R''' represents a group selected from the class consisting of a hydrogen atom and the group R", the amount of each unit being based on the total amount in moles of units (1) to (4); which comprises reacting a copolymer consisting essentially of (a) unit (1) of the formula ##STR37## wherein R and n are as defined, and (b) unit (3) of the formula ##STR38## wherein R' and R are as defined, with an amine selected from the group consisting of primary and secondary amines of the formula NH.sub.2 R" and NHR"R''' wherein R" and R''' are as defined above.
Claim 2
Dependent Claim 271 words
A process for producing a film-forming and thermocurable unsaturated alcohol-substituted acrylamide copolymer consisting essentially of (1) 0 to 20 mole% of a unit of the formula ##STR33## wherein R represents a group selected from the class consisting of alkyl groups with 1 to 7 carbon atoms and aryl groups with 6 to 7 carbon atoms, and n is 0 or 1, (2) 30 to 70 mole% of a unit of the formula ##STR34## wherein n is as defined above, (3) 0 to 20 mole% of a unit of the formula ##STR35## wherein R' represents a hydrogen atom or a lower alkyl group, and R is as defined above, and (4) 30 to 70 mole% of a unit of the formula ##STR36## wherein R' is as defined above, R" represents a group selected from the class consisting of alkyl groups with 1 to 18 carbon atoms, cycloalkyl groups with 5 to 6 carbon atoms, hydroxyalkyl groups with 2 to 4 carbon atoms and aryl groups with 6 to 7 carbon atoms, and R''' represents a group selected from the class consisting of a hydrogen atom and the group R", the amount of each unit being based on the total amount in moles of units (1) to (4); which comprises reacting a copolymer consisting essentially of (a) unit (1) of the formula ##STR37## wherein R and n are as defined, and (b) unit (3) of the formula ##STR38## wherein R' and R are as defined, with an amine selected from the group consisting of primary and secondary amines of the formula NH.sub.2 R" and NHR"R''' wherein R" and R''' are as defined above.
Claim 3
Dependent Claim 273 words
A process for producing a film-forming and thermocurable unsaturated alcohol-substituted acrylamide copolymer consisting essentially of (1) 0 to 20 mole% of a unit of the formula ##STR39## wherein R represents a group selected from the class consisting of alkyl groups with 1 to 7 carbon atoms and aryl groups with 6 to 7 carbon atoms, and n is 0 or 1, (2) 30 to 70 mole% of a unit of the formula ##STR40## wherein n is as defined above, (3) 0 to 20 mole% of a unit of the formula ##STR41## wherein R' represents a hydrogen atom or a lower alkyl group, and R is as defined above, and (4) 30 to 70 mole% of a unit of the formula ##STR42## wherein R' is as defined above, R" represents a group selected from the class consisting of alkyl groups with 1 to 18 carbon atoms, cycloalkyl groups with 5 to 6 carbon atoms, hydroxyalkyl groups with 2 to 4 carbon atoms and aryl groups with 6 to 7 carbon atoms, and R''' represents a group selected from the class consisting of a hydrogen atom and the group R", the amount of each unit being based on the total amount in moles of units (1) to (4); which comprises reacting a copolymer consisting essentially of (a) unit (2) of the following formula ##STR43## wherein n is as defined above, and (b) unit (3) of the following formula ##STR44## wherein R' and R are as defined above, with an amine selected from the group consisting of primary and secondary amines of the formula NH.sub.2 R" and NHR"R''' wherein R" and R''' are as defined above.
Claim 4
Dependent Claim 273 words
A process for producing a film-forming and thermocurable unsaturated alcohol-substituted acrylamide copolymer consisting essentially of (1) 0 to 20 mole% of a unit of the formula ##STR39## wherein R represents a group selected from the class consisting of alkyl groups with 1 to 7 carbon atoms and aryl groups with 6 to 7 carbon atoms, and n is 0 or 1, (2) 30 to 70 mole% of a unit of the formula ##STR40## wherein n is as defined above, (3) 0 to 20 mole% of a unit of the formula ##STR41## wherein R' represents a hydrogen atom or a lower alkyl group, and R is as defined above, and (4) 30 to 70 mole% of a unit of the formula ##STR42## wherein R' is as defined above, R" represents a group selected from the class consisting of alkyl groups with 1 to 18 carbon atoms, cycloalkyl groups with 5 to 6 carbon atoms, hydroxyalkyl groups with 2 to 4 carbon atoms and aryl groups with 6 to 7 carbon atoms, and R''' represents a group selected from the class consisting of a hydrogen atom and the group R", the amount of each unit being based on the total amount in moles of units (1) to (4); which comprises reacting a copolymer consisting essentially of (a) unit (2) of the following formula ##STR43## wherein n is as defined above, and (b) unit (3) of the following formula ##STR44## wherein R' and R are as defined above, with an amine selected from the group consisting of primary and secondary amines of the formula NH.sub.2 R" and NHR"R''' wherein R" and R''' are as defined above.

References Cited (Backward Citations)

US3525723A Cited
DE2641922A1 Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1982-03-12 1982-09-11 1983-03-13 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1986-03-12 1986-09-11 1987-03-13 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1990-03-12 1990-09-11 1991-03-13 $7700.00 Window Closed / Lapsed

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