US4530975A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Polyamide-imide resin composition
Assignee: Resonac Corp
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Filing: 1982-09-30
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Granted: 1985-07-23
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Expires: 2002-09-30
Abstract
Abstract A polyamide-imide resin composition comprising (A) a polyamide-imide resin modified with a polyisocyanate containing one or more isocyanurate rings and a lactam and (B) at least one member selected from the group consisting of (i) an alkoxy modified amino resin, (ii) a polyisocyanate containing one or more isocyanurate rings, (iii) a phenol-formaldehyde resin, (iv) an epoxy resin, (v) a polyester resin having one or more hydroxyl groups obtained by using terephthalic acid and/or isophthalic acid as an acid component, and (vi) a metal salt of Sn, Mn, Co or Zn, can give fast curing properties to the resin composition without lowering heat resistance, flexibility, abrasion resistance and also giving good surface appearance to the coating.
Inventors
- 👤 Yoshiyuki Mukoyama
- 👤 Touichi Sakata
- 👤 Yuichi Osada
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 03:24
CPC Classifications
C; C08; C08L; C08L79/00; C08L79/04; C08L79/08; Y; Y10; Y10T; Y10T428/00; Y10T428/29; Y10T428/2913; Y10T428/2933; Y10T428/2938; Y10T428/31504; Y10T428/31511; Y10T428/31529; Y10T428/31551; Y10T428/31605; Y10T428/31678; Y10T428/31681
Claims Analysis
Total Claims: 12
Claim 1
Independent Claim
113 words
A polyamide-imide resin composition comprising (A) a polyamide-imide resin produced by reacting in a cresol, phenol or xylenol solvent a polyisocyanate containing one or more isocyanurate rings, an aromatic diisocyanate, a lactam and a polycarboxylic acid containing at least one acid anhydride group, and (B) at least one member selected from the group consisting of (i) an alkoxy modified amino resin, (ii) a polyisocyanate containing one or more isocyanurate rings, (iii) a phenol-formaldehyde resin, (iv) an epoxy resin, (v) a polyester resin having one or more hydroxyl groups obtained by using terephthalic acid and/or isophthalic acid as an acid component, and (vi) at least one metal salt of Sn, Mn, Co and/or Zn.
Claim 2
Dependent Claim
113 words
A polyamide-imide resin composition comprising (A) a polyamide-imide resin produced by reacting in a cresol, phenol or xylenol solvent a polyisocyanate containing one or more isocyanurate rings, an aromatic diisocyanate, a lactam and a polycarboxylic acid containing at least one acid anhydride group, and (B) at least one member selected from the group consisting of (i) an alkoxy modified amino resin, (ii) a polyisocyanate containing one or more isocyanurate rings, (iii) a phenol-formaldehyde resin, (iv) an epoxy resin, (v) a polyester resin having one or more hydroxyl groups obtained by using terephthalic acid and/or isophthalic acid as an acid component, and (vi) at least one metal salt of Sn, Mn, Co and/or Zn.
Claim 3
Dependent Claim
54 words
A polyamide-imide resin composition according to claim 1, wherein as the component (B) a polyisocyanate containing one or more isocyanurate rings is used in an amount of 1 to 20 parts by weight in terms of the solid content per 100 parts by weight in terms of the solid content of the polyamide-imide resin.
Claim 4
Dependent Claim
49 words
A polyamide-imide resin composition according to claim 1, wherein as the component (B) a phenol-formaldehyde resin is used in an amount of 1 to 30 parts by weight in terms of the solid content per 100 parts by weight in terms of the solid content of the polyamide-imide resin.
Claim 5
Dependent Claim
29 words
A polyamide-imide resin composition according to claim 1, or 3, wherein the phenol-formaldehyde resin is phenol-formaldehyde resin, an alkylphenol-formaldehyde resin or a phenol-formaldehyde resin modified with an amino compound.
Claim 6
Dependent Claim
49 words
A polyamide-imide resin composition according to claim 1, wherein as the component (B) an epoxy resin is used in an amount of 1 to 30 parts by weight in terms of the solid content per 100 parts by weight in terms of the solid content of the polyamide-imide resin.
Claim 7
Dependent Claim
36 words
A polyamide-imide resin composition according to claim 1 or 5, wherein the epoxy resin is a bisphenol type epoxy resin, a novolac type epoxy resin, an alicyclic type epoxy resin or a heterocyclic-ring containing epoxy resin.
Claim 8
Dependent Claim
74 words
A polyamide-imide resin composition according to claim 1, wherein as the component (B) a polyester resin having one or more hydroxyl groups obtained by using terephthalic acid and/or isophthalic acid as an acid component and tris(2-hydroxyethyl) isocyanurate as an alcohol component is used in an amount of 1 to 300 parts by weight in terms of the solid content per 100 parts by weight in terms of the solid content of the polyamide-imide resin.
Claim 9
Dependent Claim
49 words
A polyamide-imide resin composition according to claim 1, wherein as the component (B) a metal salt of Sn, Mg, Co or Zn is used in an amount of 0.01 to 10 parts by weight per 100 parts by weight in terms of the solid content of the polyamide-imide resin.
Claim 10
Dependent Claim
40 words
A polyamide-imide resin composition according to claim 1 or 8, wherein the metal salt of Sn, Mg, Co or Zn is dibutyl tin laurate, dibutyl tin acetate, manganese naphthenate, manganese octoate, cobalt naphthenate, cobalt octoate, zinc naphthenate, or zinc octoate.
Claim 11
Dependent Claim
38 words
A polyamide-imide resin composition according to claim 1, wherein the component (A) is used in an amount of 100 parts by weight and the component (B) is used in an amount of 1 to 300 parts by weight.
Claim 12
Dependent Claim
17 words
An electrical conductor having an insulating coating consisting essentially of the polyamide-imide resin composition of claim 1.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1988-07-22 | 1989-01-21 | 1989-07-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1992-07-22 | 1993-01-21 | 1993-07-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1996-07-22 | 1997-01-21 | 1997-07-23 | $7700.00 | Window Closed / Lapsed |