US4780358A
Expired / Lapsed
US
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Polyamide adhesive composition for laminates containing aminosilane and grafted polyolefin
Assignee: Ube Corp
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Filing: 1986-09-08
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Granted: 1988-10-25
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Expires: 2006-09-08
Abstract
Abstract A polyamide adhesive composition comprising 100 parts by weight of a polymer component and 0.1 to 5 parts by weight of an aminosilane compound. The polymer component comprises 50 to 99.5% by weight of a polyamide and 0.5 to 50% by weight of a modified polyolefin formed by grafting a polyolefin with an unsaturated compound having a polar group in the molecule and/or a polymer other than polyamides, having a polar group or an aromatic group and a tensile modulus not higher than 2,000 kg/cm 2 .
Inventors
- 👤 Bunsaku Ito
- 👤 Kimio Fukuda
- 👤 Rikio Hara
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 04:00
CPC Classifications
B; B32; B32B; B32B15/00; B32B15/04; B32B15/08; B32B15/18; B32B27/00; B32B27/34; B32B37/00; B32B37/12; B32B37/1207; C; C08; C08L; C08L77/00; C09; C09J; C09J177/00; C09J7/00; C09J7/20; C09J7/22; C09J7/30; C09J7/35; B32B2405/00; Y; Y10; Y10S; Y10S428/00; Y10S428/913; Y10T; Y10T428/00; Y10T428/24; Y10T428/24942; Y10T428/2495; Y10T428/24967; Y10T428/26; Y10T428/266; Y10T428/28; Y10T428/2813; Y10T428/2817; Y10T428/2826; Y10T428/2848; Y10T428/2852; Y10T428/2878; Y10T428/31504; Y10T428/31652; Y10T428/31663; Y10T428/31678; Y10T428/31681; Y10T428/31692
Claims Analysis
Total Claims: 8
Claim 1
Independent Claim
62 words
A polyamide adhesive composition comprising 100 parts by weight of a polymer component and 0.1 to 5 parts by weight of an aminosilane compound, said polymer component comprising 50 to 99.5% by weight of a polyamide and 0.5 to 50% by weight of a modified polyolefin formed by grafting a polyolefin with an unsaturated compound having a polar group in the molecule.
Claim 2
Dependent Claim
62 words
A polyamide adhesive composition comprising 100 parts by weight of a polymer component and 0.1 to 5 parts by weight of an aminosilane compound, said polymer component comprising 50 to 99.5% by weight of a polyamide and 0.5 to 50% by weight of a modified polyolefin formed by grafting a polyolefin with an unsaturated compound having a polar group in the molecule.
Claim 3
Dependent Claim
33 words
A polyamide adhesive composition according to claim 1, wherein when the composition is melt-blended, the polyamide forms a matrix and the modified polyolefin is dispersed in the form of particles in the matrix.
Claim 4
Dependent Claim
28 words
A polyamide adhesive composition according to claim 1, wherein the polyolefin is more pliable than the polyamide and has a tensile modulus lower than that of the polyamide.
Claim 5
Dependent Claim
38 words
A polyamide adhesive composition according to claim 1, wherein the unsaturated compound having a polar group in the molecule is selected from the group consisting of α,β-unsaturated carboxylic acids, alicyclic carboxylic acid, alkenylcarboxylic acid anhydrides, and derivatives thereof.
Claim 6
Dependent Claim
69 words
A polyamide adhesive composition according to claim 1, wherein the unsaturated compound having a polar group in the molecule is selected from the group consisting of the compound represented by the formula: CR.sub.1 ═CR.sub.2 --CO--R.sub.3 wherein R 1 and R 2 are H or an alkyl group, and R 3 is a residue formed by removing H from 1,2,3-benzotriazole, phthalimide, orthosulfobenzimide, 1,8-naphthalimide, succinimide, a lactam or a derivative thereof.
Claim 7
Dependent Claim
41 words
A polyamide adhesive composition according to claim 1, wherein grafting of the polyolefin with the unsaturated compound is effected in the presence of 0.01 to 5.0 parts by weight of a peroxide based on 100 parts by weight of the polyolefin.
Claim 8
Dependent Claim
26 words
A polyamide adhesive composition according to claim 1, which is in the form of a sheet or film having a thickness of 0.05 to 1.5 mm.
References Cited (Backward Citations)
US3644245A
Cited
US3637550A
Cited
JPS4890334A
Cited
JPS4933930A
Cited
JPS5098937A
Cited
JPS50159525A
Cited
US4319007A
Cited
US4404312A
Cited
JPS5911355A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1991-10-25 | 1992-04-25 | 1992-10-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1995-10-25 | 1996-04-25 | 1996-10-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1999-10-25 | 2000-04-25 | 2000-10-25 | $7700.00 | Window Closed / Lapsed |