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US4289682A
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Curable resin compositions comprising hydroxyl-terminated unsaturated polyester oligomer, a polyisocyanate, an ethylenically unsaturated monomer and a catalyst
Assignee: Union Carbide Corp
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Filing: 1979-12-26
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Granted: 1981-09-15
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Expires: 1999-12-26
Abstract
Abstract Described herein is a curable resin composition comprising a homogeneous mixture of a hydroxyl-terminated unsaturated polyester oligomer, a polyisocyanate, an ethylenically unsaturated monomer, and a polyurethane forming catalyst.
Inventors
- 👤 Edward N. Peters
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 21:50
CPC Classifications
C; C08; C08G; C08G18/00; C08G18/06; C08G18/28; C08G18/67; C08G18/68; C08G18/683; Y; Y10; Y10S; Y10S264/00; Y10S264/83
Claims Analysis
Total Claims: 26
Claim 1
Independent Claim
35 words
A curable resin composition comprising: (a) a hydroxyl-terminated unsaturated polyester oligomer, (b) a polyisocyanate, (c) an ethylenically unsaturated monomer, and (d) a catalyst capable of catalyzing polyurethane-forming reactions of the polyester oligomer and the polyisocyanate.
Claim 2
Dependent Claim
35 words
A curable resin composition comprising: (a) a hydroxyl-terminated unsaturated polyester oligomer, (b) a polyisocyanate, (c) an ethylenically unsaturated monomer, and (d) a catalyst capable of catalyzing polyurethane-forming reactions of the polyester oligomer and the polyisocyanate.
Claim 3
Dependent Claim
29 words
A composition as defined in claim 1 wherein the oligomer is the reaction product of an alkoxylated derivative of a diol and maleic anhydride, fumaric acid or fumaryl chloride.
Claim 4
Dependent Claim
15 words
A composition as defined in claim 2 wherein the alkoxylated diol is alkoxylated bisphenol A.
Claim 5
Dependent Claim
16 words
A composition as defined in claim 3 wherein the alkoxylated bisphenol A is ethoxylated bisphenol A.
Claim 6
Dependent Claim
16 words
A composition as defined in claim 3 wherein the alkoxylated bisphenol A is propoxylated bisphenol A.
Claim 7
Dependent Claim
19 words
A composition as defined in claim 1 wherein the oligomer has an acid number of less than about 0.5.
Claim 8
Dependent Claim
14 words
A composition as defined in claim 1 wherein the polyisocyanate is monomeric or polymeric.
Claim 9
Dependent Claim
14 words
A composition as defined in claim 1 wherein the ethylenically unsaturated monomer is styrene.
Claim 10
Dependent Claim
12 words
A composition as defined in claim 1 which contains a polymerization inhibitor.
Claim 11
Dependent Claim
11 words
A cured molded article prepared from the composition of claim 1.
Claim 12
Dependent Claim
37 words
A cured molded article as defined in claim 10 which contains from about 15 to about 75 weight percent of one or more fibers with a melting point or a glass transition temperature above about 130° C.
Claim 13
Dependent Claim
14 words
A cured molded article as defined in claim 11 wherein the fiber is glass.
Claim 14
Dependent Claim
24 words
A composition as defined in claim 1 wherein the oligomer is the reaction product of an alkoxylated derivative of a diol and fumaric acid.
Claim 15
Dependent Claim
18 words
A composition as defined in claim 13 wherein the ethoxylated derivative of a diol is ethoxylated bisphenol A.
Claim 16
Dependent Claim
24 words
A composition as defined in claim 1 wherein the oligomer is the reaction product of an alkoxylated derivative of a diol and fumaryl chloride.
Claim 17
Dependent Claim
18 words
A composition as defined in claim 15 wherein the ethoxylated derivative of a diol is ethoxylated bisphenol A.
Claim 18
Dependent Claim
26 words
A composition as defined in claim 1 wherein the polyester oligomer and polyisocyanate are used in combination of from about 40 to about 60 weight percent.
Claim 19
Dependent Claim
25 words
A composition as defined in claim 1 wherein the ethylenically unsaturated monomer is used in amounts of from about 30 to about 70 weight percent.
Claim 20
Dependent Claim
36 words
A process for preparing a curable resin composition which comprises reacting a hydroxyl-terminated unsaturated polyester oligomer with a polyisocyanate and a polymerizable ethylenically unsaturated monomer at a temperature of from about 100° to about 160° C.
Claim 21
Dependent Claim
36 words
A process for preparing a curable resin composition which comprises reacting a hydroxyl-terminated unsaturated polyester oligomer with a polyisocyanate and a polymerizable ethylenically unsaturated monomer at a temperature of from about 100° to about 160° C.
Claim 22
Dependent Claim
41 words
A process for preparing a curable resin composition which comprises reacting a hydroxyl-terminated unsaturated polyester oligomer with a polyisocyanate and a polymerizable ethylenically unsaturated monomer at ambient temperatures and then completing the reaction at from about 100° to about 160° C.
Claim 23
Dependent Claim
41 words
A process for preparing a curable resin composition which comprises reacting a hydroxyl-terminated unsaturated polyester oligomer with a polyisocyanate and a polymerizable ethylenically unsaturated monomer at ambient temperatures and then completing the reaction at from about 100° to about 160° C.
Claim 24
Dependent Claim
24 words
A process as defined in claims 19 or 20 wherein a catalyst capable of catalyzing polyurethane-forming reactions of polyisocyanates and polyhydroxyl compounds is used.
Claim 25
Dependent Claim
46 words
A curable resin composition comprising: (a) a hydroxyl-terminated unsaturated polyester oligomer having an acid number of less than about 0.5. (b) a polyisocyanate, (c) an ethylenically unsaturated monomer comprising styrene, and (d) a catalyst capable of catalyzing polyurethane-forming reactions of the polyester oligomer and the polyisocyanate.
Claim 26
Dependent Claim
46 words
A curable resin composition comprising: (a) a hydroxyl-terminated unsaturated polyester oligomer having an acid number of less than about 0.5. (b) a polyisocyanate, (c) an ethylenically unsaturated monomer comprising styrene, and (d) a catalyst capable of catalyzing polyurethane-forming reactions of the polyester oligomer and the polyisocyanate.
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) | 1984-09-14 | 1985-03-16 | 1985-09-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1988-09-14 | 1989-03-16 | 1989-09-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1992-09-14 | 1993-03-16 | 1993-09-15 | $7700.00 | Window Closed / Lapsed |