US4500604A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Bondings and composite films
Assignee: Henkel AG and Co KGaA
•
Filing: 1983-02-16
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Granted: 1985-02-19
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Expires: 2003-02-16
Abstract
Abstract Process and compositions for producing bondings based on a two component adhesive system comprising 1. an epoxide group-containing prepolymer obtained by reacting a polyether-urethane or a polyester-urethane which contains at least two terminal isocyanate groups with equivalent quantities of glycidol, and 2. a primary amino group-containing polyether or polyamide having at least two primary amino groups, and a molecular weight between 200 and 1800.
Inventors
- 👤 Julius Herold
- 👤 Werner Gruber
- 👤 Guenter Henke
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 06:15
CPC Classifications
C; C09; C09J; C09J163/00; C08; C08G; C08G18/00; C08G18/06; C08G18/08; C08G18/10; C08G59/00; C08G59/02; C08G59/18; C08G59/40; C08G59/50; C08G59/54; C09J7/00; C09J7/30; C09J7/38; C08L; C08L2666/00; C08L2666/02; C08L2666/14; Y; Y10; Y10T; Y10T428/00; Y10T428/31504; Y10T428/31511; Y10T428/31515
Claims Analysis
Total Claims: 23
Claim 1
Independent Claim
135 words
A two component adhesive system wherein the components are maintained separately prior to mixing the components together to achieve bonding consisting essentially of: (a) about 0.9 to about 2.5 equivalents of a first component which is a prepolymer containing an epoxy group wherein the prepolymer is the reaction product of (i) a polyether urethane or a polyester urethane, said urethane having at least two terminal isocyanate groups, and (ii) an equivalent quantity of glycidol; and (b) 1.0 equivalent of a second component which is at least one member of the group consisting of a polyether containing at least two terminal primary amino groups and a polyamide containing at least two terminal primary amino groups, and wherein said polyether and polyamide have a number-average molecular weight in the range of from about 200 to about 1800.
Claim 2
Dependent Claim
135 words
A two component adhesive system wherein the components are maintained separately prior to mixing the components together to achieve bonding consisting essentially of: (a) about 0.9 to about 2.5 equivalents of a first component which is a prepolymer containing an epoxy group wherein the prepolymer is the reaction product of (i) a polyether urethane or a polyester urethane, said urethane having at least two terminal isocyanate groups, and (ii) an equivalent quantity of glycidol; and (b) 1.0 equivalent of a second component which is at least one member of the group consisting of a polyether containing at least two terminal primary amino groups and a polyamide containing at least two terminal primary amino groups, and wherein said polyether and polyamide have a number-average molecular weight in the range of from about 200 to about 1800.
Claim 3
Dependent Claim
68 words
An adhesive system in accordance with claim 1 wherein in said first component the polyether urethane or polyester urethane having at least two terminal isocyanate groups is obtained from a compound which is either a polyether diol, a polyester having at least two --OH groups thereon, or a polyether diamine, wherein said compound has a number-average molecular weight in the range of from about 1000 to about 10,000.
Claim 4
Dependent Claim
25 words
An adhesive system in accordance with claim 2 wherein said compound has a number-average molecular weight in the range of about 1500 to about 5000.
Claim 5
Dependent Claim
133 words
A process for bonding at least one material together comprising applying thereto a two component adhesive system which consists essentially of: (a) about 0.9 to about 2.5 equivalents of a first component which is a prepolymer containing an epoxy group wherein the prepolymer is the reaction product of (i) a polyether urethane or a polyester urethane, said urethane having at least two terminal isocyanate groups, and (ii) an equivalent quantity of glycidol; and (b) 1.0 equivalent of a second component which is at least one member of the group consisting of a polyether containing at least two terminal primary amino groups and a polyamide containing at least two terminal primary amino groups, and wherein said polyether and polyamide have a number-average molecular weight in the range of from about 200 to about 1800.
Claim 6
Dependent Claim
133 words
A process for bonding at least one material together comprising applying thereto a two component adhesive system which consists essentially of: (a) about 0.9 to about 2.5 equivalents of a first component which is a prepolymer containing an epoxy group wherein the prepolymer is the reaction product of (i) a polyether urethane or a polyester urethane, said urethane having at least two terminal isocyanate groups, and (ii) an equivalent quantity of glycidol; and (b) 1.0 equivalent of a second component which is at least one member of the group consisting of a polyether containing at least two terminal primary amino groups and a polyamide containing at least two terminal primary amino groups, and wherein said polyether and polyamide have a number-average molecular weight in the range of from about 200 to about 1800.
Claim 7
Dependent Claim
72 words
A process in accordance with claim 4 wherein in said first component in the two component adhesive system the polyether urethane or polyester urethane having at least two terminal isocyanate groups is obtained from a compound which is either a polyether diol, a polyester having at least two --OH groups thereon, or a polyether diamine, wherein said compound has a number-average molecular weight in the range of about 1000 to about 10,000.
Claim 8
Dependent Claim
24 words
A process in accordance with claim 5 wherein said compound has a number-average molecular weight in the range of about 1500 to about 5000.
Claim 9
Dependent Claim
35 words
A process in accordance with claim 4 wherein in said two component adhesive system from about 1 to about 2.2 equivalents of the first component are present for each 1 equivalent of the second component.
Claim 10
Dependent Claim
17 words
A process in accordance with claim 4 wherein the process is used to prepare a composite film.
Claim 11
Dependent Claim
46 words
A process in accordance with claim 8 wherein the composite film contains at least one film selected from the group consisting of a plastic film, a metal foil, a viscose, paper, a fleece composed of an aromatic polyamide, and a fleece composed of an aromatic polyester.
Claim 12
Dependent Claim
12 words
A process in accordance with claim 9 wherein the film is polyethylene.
Claim 13
Dependent Claim
12 words
A process in accordance with claim 9 wherein the film is polypropylene.
Claim 14
Dependent Claim
13 words
A process in accordance with claim 9 wherein the film is polyethylene terephthalate.
Claim 15
Dependent Claim
126 words
A composite film bonded together with a two component adhesive system consisting essentially of: (a) about 0.9 to about 2.5 equivalents of a first component which is a prepolymer containing an epoxy group wherein the prepolymer is the reaction product of (i) a polyether urethane or a polyester urethane, said urethane having at least two terminal isocyanate groups, and (ii) an equivalent quantity of glycidol; and (b) 1.0 equivalent of a second component which is at least one member of the group consisting of a polyether containing at least two terminal primary amino groups and a polyamide containing at least two terminal primary amino groups, and wherein said polyether and polyamide have a number-average molecular weight in the range of from about 200 to about 1800.
Claim 16
Dependent Claim
126 words
A composite film bonded together with a two component adhesive system consisting essentially of: (a) about 0.9 to about 2.5 equivalents of a first component which is a prepolymer containing an epoxy group wherein the prepolymer is the reaction product of (i) a polyether urethane or a polyester urethane, said urethane having at least two terminal isocyanate groups, and (ii) an equivalent quantity of glycidol; and (b) 1.0 equivalent of a second component which is at least one member of the group consisting of a polyether containing at least two terminal primary amino groups and a polyamide containing at least two terminal primary amino groups, and wherein said polyether and polyamide have a number-average molecular weight in the range of from about 200 to about 1800.
Claim 17
Dependent Claim
73 words
A composite film in accordance with claim 13 wherein in said first component in the two component adhesive system the polyether urethane or polyester urethane having at least two terminal isocyanate groups is obtained from a compound which is either a polyether diol, a polyester having at least two --OH groups thereon, or a polyether diamine, wherein said compound has a number-average molecular weight in the range of about 1000 to about 10,000.
Claim 18
Dependent Claim
25 words
A composite film in accordance with claim 14 wherein said compound has a number-average molecular weight in the range of about 1500 to about 5000.
Claim 19
Dependent Claim
36 words
A composite film in accordance with claim 13 wherein in said two component adhesive system from about 1 to about 2.2 equivalents of the first component are present for each 1 equivalent of the second component.
Claim 20
Dependent Claim
47 words
A composite film in accordance with claim 13 wherein the composite film contains at least two films selected from the group consisting of a plastic film, a metal foil, a viscose, paper, a fleece composed of an aromatic polyamide, and a fleece composed of an aromatic polyester.
Claim 21
Dependent Claim
15 words
A composite film in accordance with claim 17 wherein one of said films is polyethylene.
Claim 22
Dependent Claim
15 words
A composite film in accordance with claim 17 wherein one of said films is polypropylene.
Claim 23
Dependent Claim
16 words
A composite film in accordance with claim 17 wherein one of said films is polyethylene terephthalate.
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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) | 1988-02-19 | 1988-08-20 | 1989-02-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1992-02-19 | 1992-08-20 | 1993-02-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1996-02-19 | 1996-08-20 | 1997-02-19 | $7700.00 | Window Closed / Lapsed |