US4130546A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Thermosetting resin composition
Assignee: Resonac Corp
•
Filing: 1977-10-18
•
Granted: 1978-12-19
•
Expires: 1997-10-18
Abstract
Abstract A thermosetting resin composition comprising a polyfunctional epoxy compound such as diglycidyl ether of bisphenol A, a polyfunctional isocyanate such as diphenylmethane diisocyanate, a curing agent and a polybutadiene type homopolymer having terminal hydroxyl groups or copolymer having terminal amino groups, or a reaction product of a polyfunctional epoxy compound or an epoxy compound having halogen atom(s) and a polybutadiene type homopolymer or copolymer having terminal hydroxyl groups or terminal carboxyl groups can produce cured articles excellent in heat resistance, crack resistance and fire resistance.
Inventors
- 👤 Kazuo Goto
- 👤 Shinichi Toyoda
- 👤 Masahiko Sakai
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 09:59
CPC Classifications
C; C08; C08G; C08G18/00; C08G18/06; C08G18/70; C08G18/72; C08G18/77; C08G18/78; C08G18/79; C08G18/791; C08G18/003; C08G18/28; C08G18/67; C08G18/69; C08L; C08L63/00
Claims Analysis
Total Claims: 14
Claim 1
Independent Claim
156 words
A thermosetting resin composition comprising (a) one or more polyfunctional epoxy compounds, (b) one or more polyfunctional isocyanates, (c) one or more curing agents, and (d) at least one flexibility imparting agent selected from the group consisting of a polymer of butadiene having terminal amino groups represented by the formula: ##STR10## wherein R is hydrogen, alkyl, alkenyl, nitrilo, or phenyl; a ≧ 0.7, b ≦ 0.3, and a + b = 1; and n is an integer which determines the molecular weight of the polymer of butadiene in the range of from 500 to 5,000, a polybutadiene having terminal hydroxyl groups represented by the formula: ##STR11## wherein n is an integer which determines the molecular weight of the polybutadiene in the range of from 500 to 5,000, a reaction product obtained by reacting a polyfunctional epoxy compound or an epoxy compound containing one or more halogen atoms with a copolymer of butadiene of the formula: ##STR12##
Claim 2
Dependent Claim
156 words
A thermosetting resin composition comprising (a) one or more polyfunctional epoxy compounds, (b) one or more polyfunctional isocyanates, (c) one or more curing agents, and (d) at least one flexibility imparting agent selected from the group consisting of a polymer of butadiene having terminal amino groups represented by the formula: ##STR10## wherein R is hydrogen, alkyl, alkenyl, nitrilo, or phenyl; a ≧ 0.7, b ≦ 0.3, and a + b = 1; and n is an integer which determines the molecular weight of the polymer of butadiene in the range of from 500 to 5,000, a polybutadiene having terminal hydroxyl groups represented by the formula: ##STR11## wherein n is an integer which determines the molecular weight of the polybutadiene in the range of from 500 to 5,000, a reaction product obtained by reacting a polyfunctional epoxy compound or an epoxy compound containing one or more halogen atoms with a copolymer of butadiene of the formula: ##STR12##
Claim 3
Dependent Claim
16 words
wherein X is hydroxyl or carboxyl; and R, a, b and n are as defined above.
Claim 4
Dependent Claim
16 words
wherein X is hydroxyl or carboxyl; and R, a, b and n are as defined above.
Claim 5
Dependent Claim
27 words
A composition according to claim 1, wherein the curing agent is at least one member selected from the group consisting of amines, quaternary ammonium salts and imidazoles.
Claim 6
Dependent Claim
38 words
A composition according to claim 1, wherein the component (d) is contained in an amount of from 3 to 100 parts by weight per 100 parts by weight of the total of the components (a), (b) and (c).
Claim 7
Dependent Claim
28 words
A composition according to claim 1, wherein at least one of the polyfunctional epoxy compound and the polyfunctional isocyanate contains one or more halogen atoms in the molecule.
Claim 8
Dependent Claim
17 words
A composition according to claim 1, wherein the polyfunctional epoxy compound is diglycidyl ether of bisphenol A.
Claim 9
Dependent Claim
17 words
A composition according to claim 1, wherein the polyfunctional epoxy compound is polyglycidyl ether of phenol-formaldehyde novolac.
Claim 10
Dependent Claim
13 words
A composition according to claim 1, wherein the polyfunctional isocyanate is diphenylmethane diisocyanate.
Claim 11
Dependent Claim
18 words
A composition according to claim 1, wherein the flexibility imparting agent is a polybutadiene having terminal hydroxyl groups.
Claim 12
Dependent Claim
26 words
A composition according to claim 1, wherein the flexibility imparting agent is a copolymer of butadiene and acrylonitrile having terminal amino groups or terminal carboxyl groups.
Claim 13
Dependent Claim
36 words
A composition according to claim 1, wherein the flexibility imparting agent is a reaction product of diglycidyl ether of bisphenol A and a copolymer of butadiene and acrylonitrile having terminal hydroxyl groups or terminal carboxyl groups.
Claim 14
Dependent Claim
38 words
A composition according to claim 1, wherein the flexibility imparting agent is a reaction product of a halogenated diglycidyl ether of bisphenol A and a copolymer of butadiene and acrylonitrile having terminal hydroxyl groups or terminal carboxyl groups.
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) | 1981-12-18 | 1982-06-19 | 1982-12-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1985-12-18 | 1986-06-19 | 1986-12-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1989-12-18 | 1990-06-19 | 1990-12-19 | $7700.00 | Window Closed / Lapsed |