US4087587A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Adhesive blends
Assignee: Enron Chemical Co
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Filing: 1977-06-20
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Granted: 1978-05-02
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Expires: 1997-06-20
Abstract
Abstract Compositions of matter having among other desirable characteristics strong adhesive properties to various substrates, these compositions comprising blends of a graft copolymer of a high density polyethylene and at least one unsaturated fused ring carboxylic acid anhydride blended with a polyethylene resin of one or more homopolymers of ethylene, copolymers of ethylene and an alpha-olefin or any or all of these.
Inventors
- 👤 Mitsuzo Shida
- 👤 John Machonis, Jr.
- 👤 Seymour Schmukler
- 👤 Robert J. Zeitlin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 13:47
CPC Classifications
C; C09; C09J; C09J123/00; C09J123/02; C09J123/16; B; B32; B32B; B32B27/00; B32B27/32; C08; C08K; C08K5/00; C08K5/04; C08K5/09; C08K5/14; C08L; C08L23/00; C08L23/02; C08L23/04; C08L23/06; C08L23/08; C08L23/0807; C08L23/16; C08L51/00; C08L51/06; C09J123/04; C09J123/06; C09J123/08; C09J123/0807; C09J123/0815; C09J151/00; C09J151/06; C08L2207/00; C08L2207/06; C08L2207/062; C08L2666/00; C08L2666/02; C08L2666/04; C08L2666/24; Y; Y10; Y10T; Y10T428/00; Y10T428/31504; Y10T428/31855; Y10T428/31931
Claims Analysis
Total Claims: 55
Claim 1
Independent Claim
112 words
A modified polyolefin blend having improved adhesion to various substrates and consisting essentially of: (A) about 0.1-95 parts by weight in said blend of a graft copolymer of about 70-99.999 wt.% of a high density polyethylene backbone grafted with about 30-0.001 wt.% of at least one compound containing at least one member of the group consisting of unsaturated acyclic, carbocyclic, heterocyclic, and polycyclic moieties which are fused to at least one carboxylic acid anhydride-containing ring and (B) about 99.9-5 parts by weight of a polyethylene resin selected from the class consisting of homopolymers of ethylene, copolymers of ethylene and alpha-olefin, terpolymers of ethylene, alpha-olefin and diene and mixtures of these polyethylene resins.
Claim 2
Dependent Claim
112 words
A modified polyolefin blend having improved adhesion to various substrates and consisting essentially of: (A) about 0.1-95 parts by weight in said blend of a graft copolymer of about 70-99.999 wt.% of a high density polyethylene backbone grafted with about 30-0.001 wt.% of at least one compound containing at least one member of the group consisting of unsaturated acyclic, carbocyclic, heterocyclic, and polycyclic moieties which are fused to at least one carboxylic acid anhydride-containing ring and (B) about 99.9-5 parts by weight of a polyethylene resin selected from the class consisting of homopolymers of ethylene, copolymers of ethylene and alpha-olefin, terpolymers of ethylene, alpha-olefin and diene and mixtures of these polyethylene resins.
Claim 3
Dependent Claim
13 words
The blend of claim 1 wherein said (B) resin comprises an ethylene homopolymer.
Claim 4
Dependent Claim
17 words
The blend of claim 1 wherein said (B) resin comprises a copolymer of ethylene and an alpha-olefin.
Claim 5
Dependent Claim
17 words
The blend of claim 1 wherein said (B) resin comprises a terpolymer of ethylene, alpha-olefin and diene.
Claim 6
Dependent Claim
17 words
The blend of claim 2 wherein said (B) comprises polyethylene of a density of from about 0.910-0.965.
Claim 7
Dependent Claim
37 words
The blend of claim 1 wherein said (B) comprises a linear copolymer of at least 60 wt.% of ethylene and up to 40 wt.% of an alpha-olefin containing 4-6 carbon atoms for a total of 100 wt.%.
Claim 8
Dependent Claim
41 words
The blend of claim 1 wherein said (B) comprises a terpolymer of ethylene, propylene and up to 5 wt.% for a total of 100 wt.% of a member of the group consisting of cyclic and acyclic aliphatic dienes and mixtures thereof.
Claim 9
Dependent Claim
19 words
The blend of claim 1 wherein said (B) comprises a mixture of ethylene polymers, ethylene-alpha-olefin copolymers and ethylene-propylene-diene terpolymers.
Claim 10
Dependent Claim
17 words
The blend of claim 1 wherein said (B) comprises a mixture of ethylene polymers and ethylene-alpha-olefin copolymers.
Claim 11
Dependent Claim
21 words
The blend of claim 1 wherein said graft copolymer of (A) comprises a high density polyethylene polymer and 4-methylcyclohex-4-ene-1,2-dicarboxylic acid anhydride.
Claim 12
Dependent Claim
17 words
The blend of claim 1 wherein said (B) comprises a mixture of ethylene polymers and ethylene-propylene-diene terpolymers.
Claim 13
Dependent Claim
25 words
The blend of claim 1 wherein said graft copolymer of (A) comprises a high density polyethylene polymer and at least one monomer comprising tetrahydrophthalic anhydride.
Claim 14
Dependent Claim
19 words
The blend of claim 1 wherein said carboxylic acid anhydride of (A) consists essentially of x-methyl bicyclo(2.2.1)hept-5-ene-2,3-dicarboxylic acid anhydride.
Claim 15
Dependent Claim
31 words
The blend of claim 1 wherein said (B) consists essentially of an ethylene-hexene-1 copolymer resin of a melt index of about 0.26 gm/10 min. and a density of about 0.96 gm/cc.
Claim 16
Dependent Claim
15 words
The blend of claim 1 wherein said (B) consists essentially of an ethylene-propylene-diene terpolymer resin.
Claim 17
Dependent Claim
33 words
The blend of claim 1 wherein said (B) consists essentially of a low density polyethylene homopolymer resin of a melt index of about 3.4 gm/10 min. and a density of about 0.935 gm/cc.
Claim 18
Dependent Claim
23 words
The blend of claim 1 wherein said polyethylene backbone consists essentially of a high density polyethylene having a density of about 0.930-0.970 gm/cc.
Claim 19
Dependent Claim
30 words
The blend of claim 1 wherein said compound is present in an amount of about 0.001-5 wt.% and said high density polyethylene backbone in an amount of about 99.999-95 wt.%.
Claim 20
Dependent Claim
10 words
The blend of claim 1 wherein said moiety is carbocyclic.
Claim 21
Dependent Claim
15 words
The blend of claim 1 wherein said compound contains up to about 35 carbon atoms.
Claim 22
Dependent Claim
16 words
The blend of claim 1 wherein said graft copolymer contains one or more of said anhydrides.
Claim 23
Dependent Claim
37 words
The blend of claim 1 wherein said polyethylene of (B) is selected to satisfy the equation: log ηA/ηB < 2, where ηA = the shear viscosity of graft copolymer ηB = the shear viscosity of said polyethylene.
Claim 24
Dependent Claim
18 words
The blend of claim 1 wherein said carboxylic acid anhydride of (A) consists essentially of 4-methylcyclohex-4-ene-1,2-dicarboxylic acid anhydride.
Claim 25
Dependent Claim
18 words
The blend of claim 1 wherein said carboxylic acid anhydride of (A) consists essentially of bicyclo(2.2.2)oct-5-ene-2,3-dicarboxylic acid anhydride.
Claim 26
Dependent Claim
18 words
The blend of claim 1 wherein said carboxylic acid anhydride of (A) consists essentially of bicyclo(2.2.1)hept-5-ene-2,3-dicarboxylic acid anhydride.
Claim 27
Dependent Claim
20 words
A composite structure comprising: (A) a solid substrate, and adhered thereto (B) a modified polyolefin blend according to claim 1.
Claim 28
Dependent Claim
26 words
The composite structure of claim 26 wherein said substrate comprises a member of the class consisting of polar polymers, solid metals, glass, paper, wood and cellophane.
Claim 29
Dependent Claim
11 words
The composite structure of claim 26 wherein said substrate comprises nylon.
Claim 30
Dependent Claim
11 words
The composite structure of claim 26 wherein said substrate comprises aluminum.
Claim 31
Dependent Claim
14 words
The composite structure of claim 26 wherein said blend is according to claim 2.
Claim 32
Dependent Claim
14 words
The composite structure of claim 26 wherein said blend is according to claim 3.
Claim 33
Dependent Claim
14 words
The composite structure of claim 26 wherein said blend is according to claim 4.
Claim 34
Dependent Claim
14 words
The composite structure of claim 26 wherein said blend is according to claim 5.
Claim 35
Dependent Claim
14 words
The composite structure of claim 26 wherein said blend is according to claim 6.
Claim 36
Dependent Claim
14 words
The composite structure of claim 26 wherein said blend is according to claim 7.
Claim 37
Dependent Claim
14 words
The composite structure of claim 26 wherein said blend is according to claim 8.
Claim 38
Dependent Claim
14 words
The composite structure of claim 26 wherein said blend is according to claim 9.
Claim 39
Dependent Claim
14 words
The composite structure of claim 26 wherein said blend is according to claim 10.
Claim 40
Dependent Claim
14 words
The composite structure of claim 26 wherein said blend is according to claim 11.
Claim 41
Dependent Claim
14 words
The composite structure of claim 26 wherein said blend is according to claim 12.
Claim 42
Dependent Claim
14 words
The composite structure of claim 26 wherein said blend is according to claim 13.
Claim 43
Dependent Claim
14 words
The composite structure of claim 26 wherein said blend is according to claim 14.
Claim 44
Dependent Claim
14 words
The composite structure of claim 26 wherein said blend is according to claim 15.
Claim 45
Dependent Claim
14 words
The composite structure of claim 26 wherein said blend is according to claim 16.
Claim 46
Dependent Claim
14 words
The composite structure of claim 26 wherein said blend is according to claim 17.
Claim 47
Dependent Claim
14 words
The composite structure of claim 26 wherein said blend is according to claim 18.
Claim 48
Dependent Claim
14 words
The composite structure of claim 26 wherein said blend is according to claim 19.
Claim 49
Dependent Claim
14 words
The composite structure of claim 26 wherein said blend is according to claim 20.
Claim 50
Dependent Claim
14 words
The composite structure of claim 26 wherein said blend is according to claim 21.
Claim 51
Dependent Claim
14 words
The composite structure of claim 26 wherein said blend is according to claim 22.
Claim 52
Dependent Claim
14 words
The composite structure of claim 26 wherein said blend is according to claim 23.
Claim 53
Dependent Claim
14 words
The composite structure of claim 26 wherein said blend is according to claim 24.
Claim 54
Dependent Claim
14 words
The composite structure of claim 26 wherein said blend is according to claim 25.
Claim 55
Dependent Claim
34 words
The blend of claim 1 wherein said (A) comprises a high density copolymer of at least 60 wt.% ethylene and up to 40 wt.% of an alpha-olefin containing from 4 to 6 carbon atoms.
References Cited (Backward Citations)
US3177269A
Cited
US3658948A
Cited
US3868433A
Cited
US3856889A
Cited
US3873643A
Cited
US3882194A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1981-05-01 | 1981-10-31 | 1982-05-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1985-05-01 | 1985-10-31 | 1986-05-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1989-05-01 | 1989-10-31 | 1990-05-02 | $7700.00 | Window Closed / Lapsed |