US4420606A
Expired / Lapsed
US
⏱️ 0.0 years remaining
One component water reduced epoxy adhesives
Assignee: Huntsman Corp
•
Filing: 1982-10-15
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Granted: 1983-12-13
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Expires: 2002-10-15
Abstract
Abstract An epoxy resin composition is disclosed. The epoxy resin is useful as a flexible adhesive. The composition comprises a modified epoxy base resin with a curing agent. The resin is modified by partial reaction with a polyoxyalkylene monoamine. No solvent is present in the formulation.
Inventors
- 👤 Harold G. Waddill
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 00:37
CPC Classifications
C; C08; C08G; C08G59/00; C08G59/02; C08G59/10; C09; C09J; C09J163/00
Claims Analysis
Total Claims: 19
Claim 1
Independent Claim
36 words
An epoxy resin composition comprising: (A) a polyepoxide which has been reacted with from 50 wt % to 70 wt % of a polyoxyalkylene monoamine of molecular weight 900 to 2000; and (B) a curative agent.
Claim 2
Dependent Claim
36 words
An epoxy resin composition comprising: (A) a polyepoxide which has been reacted with from 50 wt % to 70 wt % of a polyoxyalkylene monoamine of molecular weight 900 to 2000; and (B) a curative agent.
Claim 3
Dependent Claim
30 words
The composition of claim 1 wherein the polyepoxide is selected from the group consisting of bisphenol A type resins, polyglycidyl ethers of novolac resins and polyglycidyl derivatives of aromatic amines.
Claim 4
Dependent Claim
14 words
The composition of claim 1 wherein the polyepoxide is a bisphenol A type resin.
Claim 5
Dependent Claim
36 words
The composition of claim 1 wherein the polyoxyalkylene monoamine has the general formula: CH.sub.3 O[CH.sub.2 CH.sub.2 O].sub.A [CH.sub.2 (CH.sub.3)CH.sub.2 O].sub.B CH.sub.2 (CH.sub.3)CHNH.sub.2 wherein A ranges from 16 to 25 and B ranges from 1 to 5.
Claim 6
Dependent Claim
22 words
The composition of claim 1 wherein the polyoxyalkylene monoamine has the general formula: CH.sub.3 O[CH.sub.2 CH.sub.2 O].sub.18.6 [CH.sub.2 (CH.sub.3)CH.sub.2 O].sub.1.6 CH.sub.2 (CH.sub.3)CHNH.sub.2.
Claim 7
Dependent Claim
14 words
The composition of claim 1 wherein the curative agent is a latent curative agent.
Claim 8
Dependent Claim
11 words
The composition of claim 1 wherein the curative agent is dicyandiamide.
Claim 9
Dependent Claim
11 words
The composition of claim 1 wherein the curative agent is N-aminoethylpiperazine.
Claim 10
Dependent Claim
23 words
The composition of claim 1 wherein the polyepoxide is reacted with from 55 wt % to 65 wt % of the polyoxyalkylene monoamine.
Claim 11
Dependent Claim
10 words
The composition of claim 1 which additionally comprises an accelerator.
Claim 12
Dependent Claim
60 words
A one component epoxy resin adhesive composition comprising: (A) a polyepoxide which has been reacted with from 55 wt % to 65 wt % of a polyoxyalkylene monoamine of general formula: CH.sub.3 O[CH.sub.2 CH.sub.2 O].sub.A [CH.sub.2 (CH.sub.3)CH.sub.2 O].sub.B CH.sub.2 (CH.sub.3)CHNH.sub.2 wherein A ranges from 16 to 20 and B ranges from 1 to 5; and (B) a latent curative agent.
Claim 13
Dependent Claim
60 words
A one component epoxy resin adhesive composition comprising: (A) a polyepoxide which has been reacted with from 55 wt % to 65 wt % of a polyoxyalkylene monoamine of general formula: CH.sub.3 O[CH.sub.2 CH.sub.2 O].sub.A [CH.sub.2 (CH.sub.3)CH.sub.2 O].sub.B CH.sub.2 (CH.sub.3)CHNH.sub.2 wherein A ranges from 16 to 20 and B ranges from 1 to 5; and (B) a latent curative agent.
Claim 14
Dependent Claim
12 words
The composition of claim 11 wherein the latent curative agent is dicyandiamide.
Claim 15
Dependent Claim
10 words
The composition of claim 11 which additionally comprises an accelerator.
Claim 16
Dependent Claim
59 words
A two component epoxy resin adhesive composition comprising: (A) a polyepoxide which has been reacted with from 55 wt % to 65 wt % of a polyoxyalkylene monoamine of general formula: CH.sub.3 O[CH.sub.2 CH.sub.2 O].sub.A [CH.sub.2 (CH.sub.3)CH.sub.2 O].sub.B CH.sub.2 (CH.sub.3)CHNH.sub.2 wherein A ranges from 16 to 20 and B ranges from 1 to 5; and (B) a curative agent.
Claim 17
Dependent Claim
59 words
A two component epoxy resin adhesive composition comprising: (A) a polyepoxide which has been reacted with from 55 wt % to 65 wt % of a polyoxyalkylene monoamine of general formula: CH.sub.3 O[CH.sub.2 CH.sub.2 O].sub.A [CH.sub.2 (CH.sub.3)CH.sub.2 O].sub.B CH.sub.2 (CH.sub.3)CHNH.sub.2 wherein A ranges from 16 to 20 and B ranges from 1 to 5; and (B) a curative agent.
Claim 18
Dependent Claim
11 words
The composition of claim 14 wherein the curative agent is N-aminoethylpiperazine.
Claim 19
Dependent Claim
10 words
The composition of claim 14 which additionally comprises an accelerator.
References Cited (Backward Citations)
US3380881A
Cited
US3496138A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1986-12-12 | 1987-06-13 | 1987-12-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1990-12-12 | 1991-06-13 | 1991-12-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1994-12-12 | 1995-06-13 | 1995-12-13 | $7700.00 | Window Closed / Lapsed |