US4140664A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Thermosetting resin composition
Assignee: Nippon Paint Co Ltd
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Filing: 1977-09-06
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Granted: 1979-02-20
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Expires: 1997-09-06
Abstract
Abstract An aqueous solution or dispersion of thermosetting resin comprising a resin, dissolved or dispersed in water in an amount of 5 to 85% by weight, said resin being obtained by solution polymerization of a mixture comprising (1) at least one polymerizable monomer having an amphoteric ion structure, (2) at least one polymerizable monomer containing a carboxyl group and (3) at least one of other polymerizable monomers in a hydrophilic organic solvent and has a number average molecular weight of 1,000 to 30,000 and a glass transition point of -30 to +80 DEG C.
Inventors
- 👤 Ryuzo Mizuguchi
- 👤 Atushi Takahashi
- 👤 Shin-ichi Ishikura
- 👤 Akimitsu Uenaka
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 16:33
CPC Classifications
C; C08; C08F; C08F226/00; C08F226/06; C08F220/00; C08F220/02; C08F220/10; C08F220/34; C09; C09D; C09D133/00
Claims Analysis
Total Claims: 19
Claim 1
Independent Claim
236 words
An aqueous solution or dispersion of thermosetting resin comprising a resin, dissolved or dispersed in water in an amount of 5 to 85% by weight, said resin being obtained by solution polymerization of a mixture comprising (1) at least one polymerizable monomer having an amphoteric ion structure selected from the group consisting of (i) compounds represented by the formula: ##STR5## wherein R 1 is a hydrogen atom or a methyl group, R 2 and R 3 are, the same or different, a C 1 -C 6 alkyl group, A is O or NH, m 1 and n 1 are, the same or different, an integer of 1 to 12 and X 1 .sup.⊖ is SO 3 .sup.⊖, SO 4 .sup.⊖ or CO 2 .sup.⊖ and (ii) compounds represented by either one of the formulae: ##STR6## wherein R 4 is a hydrogen atom or a methyl group, R 5 is a hydrogen atom or a C 1 -C 3 alkyl group, A' is O or NH, m 2 is an integer of 0 to 6, n 2 is an integer of 1 to 6 and X 2 .sup.⊖ are as defined above, (2) at least one polymerizable monomer containing a carboxyl group and (3) at least one of other polymerizable monomers in a hydrophilic organic solvent and has a number average molecular weight of 1,000 to 30,000 and a glass transition point of -30° to +80° C.
Claim 2
Dependent Claim
236 words
An aqueous solution or dispersion of thermosetting resin comprising a resin, dissolved or dispersed in water in an amount of 5 to 85% by weight, said resin being obtained by solution polymerization of a mixture comprising (1) at least one polymerizable monomer having an amphoteric ion structure selected from the group consisting of (i) compounds represented by the formula: ##STR5## wherein R 1 is a hydrogen atom or a methyl group, R 2 and R 3 are, the same or different, a C 1 -C 6 alkyl group, A is O or NH, m 1 and n 1 are, the same or different, an integer of 1 to 12 and X 1 .sup.⊖ is SO 3 .sup.⊖, SO 4 .sup.⊖ or CO 2 .sup.⊖ and (ii) compounds represented by either one of the formulae: ##STR6## wherein R 4 is a hydrogen atom or a methyl group, R 5 is a hydrogen atom or a C 1 -C 3 alkyl group, A' is O or NH, m 2 is an integer of 0 to 6, n 2 is an integer of 1 to 6 and X 2 .sup.⊖ are as defined above, (2) at least one polymerizable monomer containing a carboxyl group and (3) at least one of other polymerizable monomers in a hydrophilic organic solvent and has a number average molecular weight of 1,000 to 30,000 and a glass transition point of -30° to +80° C.
Claim 3
Dependent Claim
48 words
The aqueous solution or dispersion of thermosetting resin according to claim 1, wherein the said other polymerizable monomers comprise hydroxyl group-containing polymerizable monomers, acrylates or methacrylates having a C 1 -C 12 alcoholic residue, polymerizable amides, polymerizable nitriles, polymerizable aromatic compounds, α-olefin compounds, vinyl compounds and diene compounds.
Claim 4
Dependent Claim
39 words
The aqueous solution or dispersion of thermosetting resin according to claim 1, wherein the mixing proportion of the polymerizable monomer having an amphoteric ion structure, the carboxyl group-containing polymerizable monomer and the other polymerizable monomer is 0.1-50:2-60:1-97.9 by weight.
Claim 5
Dependent Claim
39 words
The aqueous solution or dispersion of thermosetting resin according to claim 1, wherein the mixing proportion of the polymerizable monomer having an amphoteric ion structure, the carboxyl group-containing polymerizable monomer and the other polymerizable monomer is 0.5-10:2-60:30-97.5 by weight.
Claim 6
Dependent Claim
22 words
A thermosetting paint composition which comprises an aqueous solution or dispersion of thermosetting resin according to claim 1, and an aminoplast resin.
Claim 7
Dependent Claim
26 words
The thermosetting paint composition according to claim 5, wherein the aminoplast resin is a melamine resin, an urea resin or a guanamine resin or their mixture.
Claim 8
Dependent Claim
33 words
The composition according to claim 5, wherein the mixing proportion of the resin in the aqueous solution or dispersion of thermosetting resin and the aminoplast resin is from 20:1 to 1:1 by weight.
Claim 9
Dependent Claim
73 words
A thermosetting paint composition which comprises (a) a resin emulsion obtained by polymerizing a polymerizable monomer having an amphoteric ion structure and at least one of other polymerizable monomers copolymerizable therewith, (b) an aqueous solution or dispersion of resin obtained by polymerizing a polymerizable monomer having an amphoteric ion structure and a carboxyl group-containing polymerizable monomer with or without at least one of other polymerizable monomers copolymerizable therewith and (c) an aminoplast resin.
Claim 10
Dependent Claim
73 words
A thermosetting paint composition which comprises (a) a resin emulsion obtained by polymerizing a polymerizable monomer having an amphoteric ion structure and at least one of other polymerizable monomers copolymerizable therewith, (b) an aqueous solution or dispersion of resin obtained by polymerizing a polymerizable monomer having an amphoteric ion structure and a carboxyl group-containing polymerizable monomer with or without at least one of other polymerizable monomers copolymerizable therewith and (c) an aminoplast resin.
Claim 11
Dependent Claim
37 words
The thermosetting paint composition according to claim 8, wherein the mixing proportion of the resin in the resin emulsion and the resin in the aqueous solution or dispersion of resin is from 50:50 to 99:1 by weight.
Claim 12
Dependent Claim
49 words
The thermosetting paint composition according to claim 8, wherein the amount of the aminoplast resin is 5 to 100 parts by weight to 100 parts by weight of the total amount of the resin in the resin emulsion and the resin in the aqueous solution or dispersion of resin.
Claim 13
Dependent Claim
58 words
A thermosetting paint composition which comprises (a) at least one conventional aqueous solution or dispersion of resin employed for paints and/or at least one conventional resin emulsion employed for paints, (b) an aqueous solution or dispersion of resin having an amphoteric ion structure and/or an emulsion of resin having an amphoteric ion structure and (c) an aminoplast resin.
Claim 14
Dependent Claim
58 words
A thermosetting paint composition which comprises (a) at least one conventional aqueous solution or dispersion of resin employed for paints and/or at least one conventional resin emulsion employed for paints, (b) an aqueous solution or dispersion of resin having an amphoteric ion structure and/or an emulsion of resin having an amphoteric ion structure and (c) an aminoplast resin.
Claim 15
Dependent Claim
53 words
The thermosetting paint composition according to claim 11, wherein the aqueous solution or dispersion of resin having an amphoteric ion structure is the one obtained by solution polymerization of a polymerizable monomer having an amphoteric ion structure and a carboxyl group-containing polymerizable monomer copolymerizable therewith, optionally followed by neutralization and dilution with water.
Claim 16
Dependent Claim
44 words
The thermosetting paint composition according to claim 11, wherein the emulsion of resin having an amphoteric ion structure is the one obtained by polymerizing a polymerizable monomer having an amphoteric ion structure and at least one of other polymerizable monomers copolymerizable therewith in water.
Claim 17
Dependent Claim
26 words
The thermosetting paint composition according to claim 11, wherein the aminoplast resin is a melamine resin, a urea resin or a guanamine resin or their mixture.
Claim 18
Dependent Claim
28 words
The thermosetting paint composition according to claim 11, wherein the mixing proportion of the components (a) and (b) is from 10:90 to 95:5 by weight as resin component.
Claim 19
Dependent Claim
35 words
The thermosetting resin composition according to claim 11, wherein the amount of the component (c) is 5-50% by weight as resin component to the total amount of the resins in the components (a) to (c).
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1982-02-19 | 1982-08-21 | 1983-02-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1986-02-19 | 1986-08-21 | 1987-02-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1990-02-19 | 1990-08-21 | 1991-02-20 | $7700.00 | Window Closed / Lapsed |