US3870675A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Two-component adhesive
Assignee: Sumitomo Chemical Co Ltd
•
Filing: 1972-07-24
•
Granted: 1975-03-11
•
Expires: 1992-07-24
Abstract
Abstract WHEREIN R1 and R2 are each hydrogen, methyl or ethyl, n is an integer of 1 to 5 and m is an integer of 1 to about 10, 0.05 to about 10 parts by weight of an organic peroxide, about 2 to about 120 parts by weight of at least one mono-vinylic monomer selected from the group consisting of vinyl acetate, methacrylic acid, acrylic acid, glycidyl methacrylate and Beta - hydroxyethyl methacrylate (the amount of each vinylic monomer not exceeding 40 parts by weight); and about 0.5 to about 15 parts by weight of at least one rubber material selected from the group consisting of acrylonitrile-butadiene-styrene polymer (ABS), acrylonitrilebutadiene rubber (NBR) and carboxylated NBR; and (2) an accelerator composition comprising about 0.01 to about 10 parts by weight of a thiourea compound; about 0.01 to about 10 parts by weight of Alpha , Alpha ''-dipyridyl; 0.001 to 5 parts by weight of at least one of copper salts, cobalt salts, manganese salts, chromium salts and vanadium salts of organic and inorganic acids; and 75 to 100 parts by weight of an organic volatile solvent. The two components of the adhesive are each applied to separate articles and then the articles are combined together. A two-component adhesive consisting of (1) a main composition comprising about 40 to about 80 parts by weight of at least one of divinyl compounds of the formula:
Inventors
- 👤 Seiji Kusayama
- 👤 Koichi Ohashi
- 👤 Shinzo Takada
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 22:24
CPC Classifications
C; C08; C08F; C08F299/00; C08F299/02; C08F299/026; C09; C09J; C09J4/00; E; E02; E02F; E02F3/00; E02F3/04; E02F3/28; E02F3/36; E02F3/40; E02F3/402; E02F3/405
Claims Analysis
Total Claims: 29
Claim 1
Independent Claim
28 words
A TWO-COMPONENT ADHESIVE COMPRISING OF (1) A MAIN COMPOSITION COMPRISING ABOUT 40 TO ABOUT 80 PARTS BY WEIGHT OF AT LEAST ONE OF DIVINYL COMPOUNDS OF THE FORMULA:
Claim 2
Dependent Claim
28 words
A TWO-COMPONENT ADHESIVE COMPRISING OF (1) A MAIN COMPOSITION COMPRISING ABOUT 40 TO ABOUT 80 PARTS BY WEIGHT OF AT LEAST ONE OF DIVINYL COMPOUNDS OF THE FORMULA:
Claim 3
Dependent Claim
28 words
A two-component adhesive comprising of (1) a main composition comprising about 40 to about 80 parts by weight of at least one of divinyl compounds of the formula:
Claim 4
Dependent Claim
28 words
A two-component adhesive comprising of (1) a main composition comprising about 40 to about 80 parts by weight of at least one of divinyl compounds of the formula:
Claim 5
Dependent Claim
142 words
The two-component adhesive according to claim 1, wherein the main composition comprises about 45 to about 60 parts by weight of at least one of the vinyl compounds, about 0.5 to about 5 parts by weight of an organic peroxide, about 10 to about 120 parts by weight of at least one mono-vinylic monomer and about 1.0 to about 10 parts by weight of at least one rubber material and the accelerator composition comprises about 0.1 to about 7 parts by weight of a thiourea derivative, about 0.05 to about 5 parts by weight of Alpha , Alpha ''-dipyridyl, about 0.001 to about 3 parts by weight of at least one of copper salts, cobalt salts, manganese salts, chromium salts and vanadium salts of organic and inorganic acids and about 75 to about 100 parts by weight of an organic volatile solvent.
Claim 6
Dependent Claim
23 words
The two-component adhesive according to claim 2, wherein the main composition contains additionally at least one of a heat-resistant additive and a plasticizer.
Claim 7
Dependent Claim
26 words
The two-component adhesive according to claim 1, wherein the organic peroxide is cumene hydroperoxide, 2-methylbutene hydroperoxide, ethyl ether hydroperoxide, 2,5-dimethylhexane hydroperoxide, p-menthane hydroperoxide or t-butyl hydroperoxide.
Claim 8
Dependent Claim
17 words
The two-component adhesive according to claim 1, wherein the thiourea compound is trimethylthiourea, dipropionylthiourea, diacetylthiourea or tetramethylthiourea.
Claim 9
Dependent Claim
24 words
The two-component adhesive according to claim 1, wherein the organic volatile solvent is a lower alcohol, a ketone, an ester or a halogenated hydrocarbon.
Claim 10
Dependent Claim
24 words
The two-component adhesive according to claim 5, wherein the organic volatile solvent is a lower alcohol, a ketone, an ester or a halogenated hydrocarbon.
Claim 11
Dependent Claim
50 words
The two-component adhesive according to claim 1, wherein said thiourea compound is trimethylthiourea, dipropionylthiourea, diacetylthiourea or tetramethylthiourea; wherein said organic and inorganic acids are hydrochlorides, sulfates, nitrates, phosphates, aliphatic carboxylates and aromatic carboxylates; and wherein said organic volatile solvent is methanol, acetone, methylethylketone, methylene chloride, ethylene trifluoride or ethylene chlorofluoride.
Claim 12
Dependent Claim
24 words
The two-component adhesive according to claim 6, wherein said organic volatile solvent is methanol, acetone, methylethyl ketone, methylene chloride, ethylene trifluoride or ethylene chlorofluoride.
Claim 13
Dependent Claim
28 words
The two-component adhesive according to claim 1, wherein said organic peroxide is cumene hydroperoxide, 2-methylbutene hydroperoxide, ethyl ether hydroperoxide, 2,5-dimethylhexane hydroperoxide, p-methane hydroperoxide, t-butyl hydroperoxide or mixtures thereof.
Claim 14
Dependent Claim
15 words
The two-component adhesive according to claim 1, wherein component (1) and component (2) are mixed.
Claim 15
Dependent Claim
17 words
The two-component adhesive according to claim 1 comprising the reaction product of component (1) and component (2).
Claim 16
Dependent Claim
71 words
The two-component adhesive according to claim 1, wherein said organic peroxide is cumene hydroperoxide, 2-methylbutene hydroperoxide, ethyl ether hydroperoxide, 2,5-dimethylhexane hydroperoxide, p-methane hydroperoxide, t-butyl hydroperoxide or mixtures thereof; wherein said thiourea compound is trimethylthiourea, dipropionylthiourea, diacetylthiourea or tetramethylthiourea; wherein said organic and inorganic acids are hydrochlorides, sulfates, nitrates, phosphates, aliphatic carboxylates or aromatic carboxylates; and further wherein said organic solvent is methanol, acetone, methylethylketone, methylene chloride, ethylene trifluoride or ethylene chlorofluoride.
Claim 17
Dependent Claim
52 words
The two-component adhesive accordIng to claim 3, wherein said heat-resistant additive is vinyl laurate, N-vinylurethane, divinyl-benzene, N-vinylglycidylurethane, diallyl laurate, diallyl phthalate, diallylmelamine, triallyl cyanurate or triacrylformal; and further wherein said plasticizer is di-n-butyl phthalate, di-2-ethylhexyl phthalate, butyl benzyl phthalate, di-2-ethylhexyl adipate, dimethyl sebacate, diethyl sebacate, dibutyl sebacate, tri-2-ethylhexyl phosphate or tricresyl phosphate.
Claim 18
Dependent Claim
35 words
The two-component adhesive according to claim 3, wherein the main composition contains a heat-resistant additive selected from the group consisting of vinyl laurate, N-vinylurethane, divinylbenzene, N-vinylglycidylurethane, diallyl laurate, diallyl phthalate, diallylmelamine, triallyl cyanurate and triacrylformal.
Claim 19
Dependent Claim
40 words
The two-component adhesive according to claim 3, wherein the main composition contains a plasticizer selected from the group consisting of di-n-butyl phthalate, di-2-ethylhexyl phthalate, butyl benzyl phthalate, di-2-ethylhexyl adipate, dimethyl sebacate, diethyl sebacate, dibutyl sebacate, tri-2-ethylhexyl phosphate and tricresyl phosphate.
Claim 20
Dependent Claim
47 words
The two-component adhesive according to claim 1, wherein said divinyl compound is a reaction product of (1) about 207 parts of a glycol diglycidyl ether having an epxoy equivalent of about 330 to 360, (2) about 48 parts methacrylic acid, and (3) about 12 parts acrylic acid.
Claim 21
Dependent Claim
20 words
The two-component adhesive according to claim 17, wherein said rubber is NBR and wherein said organic peroxide is cumene hydroperoxide.
Claim 22
Dependent Claim
40 words
The two-component adhesive according to claim 18, wherein said accelerator composition consists essentially of about 0.8 parts tetramethyl thiourea, 0.01 part cobalt acetate, 0.05 part cobalt napthanate, 1.0 part Alpha , Alpha ''-dipyridyl, 80 parts acetone and 20 parts methanol.
Claim 23
Dependent Claim
39 words
The two-component adhesive according to claim 14, wherein said divinyl compound is the reaction product of about 207 parts of a glycol diglycidyl ether having an epoxy equivalent of 330 to 360, and about 52 parts of acrylic acid.
Claim 24
Dependent Claim
21 words
The two-component adhesive according to claim 20, wherein said rubber is NBR and further wherein said organic peroxide is cumene hydroperoxide.
Claim 25
Dependent Claim
40 words
The two-component adhesive according to claim 21, wherein said accelerator composition consists essentially of about 0.8 part tetramethyl thiourea, 0.01 part cobalt acetate, 0.05 part cobalt naphthanate, 1.0 part Alpha , Alpha ''-dipyridyl, 80 parts acetone and 20 parts methanol.
Claim 26
Dependent Claim
21 words
An adhesive consisting essentially of about 40 to 80 parts by weight of at least one divinyl compound of the formula:
Claim 27
Dependent Claim
21 words
An adhesive consisting essentially of about 40 to 80 parts by weight of at least one divinyl compound of the formula:
Claim 28
Dependent Claim
27 words
The adhesive according to claim 23, wherein said organic peroxide is cumene hydroperoxide, 2-methylbutene hydroperoxide, ethyl ether hydroperoxide, 2,5-dimethylhexane hydroperoxide, p-methane hydroperoxide, t-butyl hydroperoxide or mixtures thereof.
Claim 29
Dependent Claim
11 words
The two-component adhesive according to claim 1, wherein m is 1.
References Cited (Backward Citations)
US2879252A
Cited
US3310603A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1978-03-10 | 1978-09-09 | 1979-03-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1982-03-10 | 1982-09-09 | 1983-03-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1986-03-10 | 1986-09-09 | 1987-03-11 | $7700.00 | Window Closed / Lapsed |