US4558115A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Thermosettable resin compositions containing a polyepoxide and an alkenyl phenyl cyanate
Assignee: Dow Chemical Co
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Filing: 1985-03-11
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Granted: 1985-12-10
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Expires: 2005-03-11
Abstract
Abstract Compositions comprising a material containing (a) alkenyl phenyl cyanate groups, (b) a material containing epoxide groups and optionally any one or more of (c) an aromatic polycyanate, (d) a polymaleimide or (e) a polymerizable ethylenically unsaturated aromatic material are curable to products having excellent mechanical, thermal and chemical resistant properties.
Inventors
- 👤 Robert E. Hefner, Jr.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 05:31
CPC Classifications
C; C07; C07C; C07C261/00; C07C261/02; C08; C08G; C08G59/00; C08G59/18; C08G59/40; C08G59/4007; C08G59/4014
Claims Analysis
Total Claims: 43
Claim 1
Independent Claim
97 words
A composition which comprises (A) from about 1 to about 99 percent by weight of at least one alkenyl phenyl cyanate; (B) from about 1 to about 99 percent by weight of at least one material having an average of more than one vicinal epoxide group per molecule; (C) from zero to about 98 percent by weight of at least one aromatic polycyanate; (D) from zero to about 50 percent by weight of at least one polymaleimide; and (E) from about zero to about 98 percent by weight of at least one polymerizable ethylenically unsaturated aromatic material.
Claim 2
Dependent Claim
97 words
A composition which comprises (A) from about 1 to about 99 percent by weight of at least one alkenyl phenyl cyanate; (B) from about 1 to about 99 percent by weight of at least one material having an average of more than one vicinal epoxide group per molecule; (C) from zero to about 98 percent by weight of at least one aromatic polycyanate; (D) from zero to about 50 percent by weight of at least one polymaleimide; and (E) from about zero to about 98 percent by weight of at least one polymerizable ethylenically unsaturated aromatic material.
Claim 3
Dependent Claim
91 words
A composition of claim 1 wherein (i) component (A) is present in quantities of from about 1 to about 75 percent by weight; (ii) component (B) is present in quantities of from about 1 to about 75 percent by weight; (iii) component (C) is present in quantities of from about 5 to about 90 percent by weight; (iv) component (D) is present in quantities of from about zero to about 20 percent by weight; and (v) component (E) is present in quantities of from zero to about 50 percent by weight.
Claim 4
Dependent Claim
91 words
A composition of claim 2 wherein (i) component (A) is present in quantities of from about 5 to about 50 percent by weight; (ii) component (B) is present in quantities of from about 5 to about 50 percent by weight; (iii) component (C) is present in quantities of from about 25 to about 80 percent by weight; (iv) component (D) is present in quantities of from about zero to about 5 percent by weight; and (v) component (E) is present in quantities of from zero to about 20 percent by weight.
Claim 5
Dependent Claim
108 words
A composition of claim 1 wherein (i) component (A) is a material or mixture of materials represented by formula I in the specification; (ii) component (B) is a material or mixture of materials represented by formulas III and/or IV and/or V and/or VI in the specification; (iii) component (C) is a material or mixture of materials represented by formula VII and/or VIII and/or IX and/or X in the specification; (iv) component (D) is a mateial or mixture of materials represented by formulas XV and/or XVI and/or XVII in the specification; and (v) component (E) is a material or mixture of materials represented by formula XXII in the specification.
Claim 6
Dependent Claim
213 words
A composition of claim 4 wherein (i) component (A) is p-isopropenylphenyl cyanate, p-vinylphenyl cyanate, m-vinylphenyl cyanate, methyl-p-isopropenylphenyl cyanate, 3-chloro-4-isopropenylphenyl cyanate, p-allylphenyl cyanate, p-methallylphenyl cyanate, m-allylphenyl cyanate, 2,6-dimethyl-4-allylphenyl cyanate, or mixtures thereof; (ii) component (B) is a diglycidyl ether of resorcinol, a diglycidyl ether of bisphenol A, a diglycidyl ether of tetrabromobisphenol A, a triglycidyl ether of tris(hydroxyphenyl) methane, a polyglycidyl ether of a phenolformaldehyde novolac resin, a polyglycidyl ether of a dicyclopentadiene and phenol condensation product or mixtures thereof; (iii) component (C) is bisphenol A dicyanate, a dicyanate of dihydroxydiphenyl oxide, a dicyanate of resorcinol, a dicyanate of thiodiphenol, a dicyanate of sulfonyldiphenol, a dicyanate of tetrabromobisphenol A, a dicyanate of phenyl bisphenol A, a dicyanate of dihydroxybiphenyl, a dicyanate of tetrahydroxydiphenyl methane, a dicyanate of a dicyclopentadiene diphenol, a dicyanate of tetramethyltetrabromobisphenol A, a tricyanate of tris(hydroxyphenyl)methane, a dicyanate of dimethoxybisphenol A, a tetracyanate of tetrahydroxydiphenyl methane, a polycyanate of a dicyclopentadiene and phenol condensation product, a polycyanate of a phenolformaldehyde condensation product (novolac resin) or mixtures thereof; (iv) component (D) is N,N'-ethylenebismaleimide, N,N'-ethylenebis(2-methylmaleimide), N,N'-hexamethylenemaleimide, N,N'-(oxydi-p-phenylene)bismaleimide, N,N'-(methylenedi-p-phenylene)bismaleimide, N,N'-(methylenedi-p-phenylene)bis(2-methylmaleimide), N,N'-(thiodi-p-phenylene)bismaleimide, N,N'-(sulfonyldi-m-phenylene)bismaleimide, N,N'-(isopropylidenedi-p-phenylene)bismaleimide, a polymethylene polyphenylene polymaleimide or mixture thereof; (v) component (E) is styrene, a methylstyrene, a chlorostyrene, a bromostyrene, a t-butylstyrene, a methoxystyrene, a divinylbenzene, a propylstyrene, a chloromethylstyrene or mixture thereof.
Claim 7
Dependent Claim
80 words
A composition of claim 5 wherein said composition is a composition selected from (a) a mixture of bisphenol A dicyanate, p-isopropenyl cyanate and a diglycidyl ether of bisphenol A; (b) a mixture of bisphenol A dicyanate, bismaleimide of methylenedianiline and p-isopropenylphenyl cyanate; (C) a mixture of p-isopropenylphenyl cyanate, a diglycidyl ether of bisphenol A, styrene and bisphenol A dicyanate; or (d) a mixture of p-isopropenylphenyl cyanate, a diglycidyl ether of bisphenol A, styrene, bisphenol A dicyanate and bismaleimide of methylenedianiline.
Claim 8
Dependent Claim
29 words
A product resulting from subjecting a composition of claim 1 to curing conditions in the presence or absence of a curing quantity of a suitable curing agent(s) or catalyst(s).
Claim 9
Dependent Claim
15 words
A product of claim 7 wherein said curing agent or catalyst is a cyclization catalyst.
Claim 10
Dependent Claim
17 words
A product of claim 8 wherein said cyclization catalyst is cobalt naphthenate, cobalt octoate or mixtures thereof.
Claim 11
Dependent Claim
29 words
A product resulting from subjecting a composition of claim 2 to curing conditions in the presence or absence of a curing quantity of a suitable curing agent(s) or catalyst(s).
Claim 12
Dependent Claim
15 words
A product of claim 10 wherein said curing agent or catalyst is a cyclization catalyst.
Claim 13
Dependent Claim
17 words
A product of claim 11 wherein said cyclization catalyst is cobalt naphthenate, cobalt octoate or mixtures thereof.
Claim 14
Dependent Claim
29 words
A product resulting from subjecting a composition of claim 3 to curing conditions in the presence or absence of a curing quantity of a suitable curing agent(s) or catalyst(s).
Claim 15
Dependent Claim
15 words
A product of claim 13 wherein said curing agent or catalyst is a cyclization catalyst.
Claim 16
Dependent Claim
17 words
A product of claim 14 wherein said cyclization catalyst is cobalt naphthenate, cobalt octoate or mixtures thereof.
Claim 17
Dependent Claim
29 words
A product resulting from subjecting a composition of claim 4 to curing conditions in the presence or absence of a curing quantity of a suitable curing agent(s) or catalyst(s).
Claim 18
Dependent Claim
15 words
A product of claim 16 wherein said curing agent or catalyst is a cyclization catalyst.
Claim 19
Dependent Claim
17 words
A product of claim 17 wherein said cyclization catalyst is cobalt naphthenate, cobalt octoate or mixtures thereof.
Claim 20
Dependent Claim
29 words
A product resulting from subjecting a composition of claim 5 to curing conditions in the presence or absence of a curing quantity of a suitable curing agent(s) or catalyst(s).
Claim 21
Dependent Claim
15 words
A product of claim 19 wherein said curing agent or catalyst is a cyclization catalyst.
Claim 22
Dependent Claim
17 words
A product of claim 20 wherein said cyclization catalyst is cobalt naphthenate, cobalt octoate or mixtures thereof.
Claim 23
Dependent Claim
29 words
A product resulting from subjecting a composition of claim 6 to curing conditions in the presence or absence of a curing quantity of a suitable curing agent(s) or catalyst(s).
Claim 24
Dependent Claim
15 words
A product of claim 22 wherein said curing agent or catalyst is a cyclization catalyst.
Claim 25
Dependent Claim
17 words
A product of claim 23 wherein said cyclization catalyst is cobalt naphthenate, cobalt octoate or mixtures thereof.
Claim 26
Dependent Claim
15 words
A product of claim 7 which results in an electrical or structural laminate or composite.
Claim 27
Dependent Claim
15 words
A product of claim 8 which results in an electrical or structural laminate or composite.
Claim 28
Dependent Claim
15 words
A product of claim 9 which results in an electrical or structural laminate or composite.
Claim 29
Dependent Claim
15 words
A product of claim 10 which results in an electrical or structural laminate or composite.
Claim 30
Dependent Claim
15 words
A product of claim 11 which results in an electrical or structural laminate or composite.
Claim 31
Dependent Claim
15 words
A product of claim 12 which results in an electrical or structural laminate or composite.
Claim 32
Dependent Claim
15 words
A product of claim 13 which results in an electrical or structural laminate or composite.
Claim 33
Dependent Claim
15 words
A product of claim 14 which results in an electrical or structural laminate or composite.
Claim 34
Dependent Claim
15 words
A product of claim 15 which results in an electrical or structural laminate or composite.
Claim 35
Dependent Claim
15 words
A product of claim 16 which results in an electricl or structural laminate or composite.
Claim 36
Dependent Claim
15 words
A product of claim 17 which results in an electrical or structural laminate or composite.
Claim 37
Dependent Claim
15 words
A product of claim 18 which results in an electrical or structural laminate or composite.
Claim 38
Dependent Claim
15 words
A product of claim 19 which results in an electrical or structural laminate or composite.
Claim 39
Dependent Claim
15 words
A product of claim 20 which results in an electrical or structural laminate or composite.
Claim 40
Dependent Claim
15 words
A product of claim 21 which results in an electrical or structural laminate or composite.
Claim 41
Dependent Claim
15 words
A product of claim 22 which results in an electrical or structural laminate or composite.
Claim 42
Dependent Claim
15 words
A product of claim 23 which results in an electrical or structural laminate or composite.
Claim 43
Dependent Claim
15 words
A product of claim 24 which results in an electrical or structural laminate or composite.
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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) | 1988-12-09 | 1989-06-10 | 1989-12-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1992-12-09 | 1993-06-10 | 1993-12-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1996-12-09 | 1997-06-10 | 1997-12-10 | $7700.00 | Window Closed / Lapsed |