US5190997A
Expired / Lapsed
US
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Adhesive composition
Assignee: Omnova Services Inc
•
Filing: 1989-02-02
•
Granted: 1993-03-02
•
Expires: 2009-02-02
Abstract
Abstract An adhesive composition is prepared containing an aqueous copolymer emulsion which contains a first polymer network which is intertwined on a molecular scale with a second polymer network.
Inventors
- 👤 Martin K. Lindemann
- 👤 Kim Deacon
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 14:23
CPC Classifications
C; C08; C08F; C08F265/00; C08F265/08; C08F257/00; C08F257/02; C08F263/00; C08F263/02; C08F263/04; C08F265/04; C08L; C08L31/00; C08L31/02; C08L31/04; C08L2201/00; C08L2201/52; C08L2205/00; C08L2205/04
Claims Analysis
Total Claims: 35
Claim 1
Independent Claim
75 words
An adhesive composition comprising a protective colloid and an aqueous polymer emulsion containing a first polymer network which is crosslinked and which is mixed and intertwined on a molecular scale with a second polymer network, wherein the second polymer differs from the first polymer and the first polymer comprises 5 to 95% on a solids by weight basis of the emulsion and the monomers of the first polymer and second polymer are not readily copolymerizable.
Claim 2
Dependent Claim
75 words
An adhesive composition comprising a protective colloid and an aqueous polymer emulsion containing a first polymer network which is crosslinked and which is mixed and intertwined on a molecular scale with a second polymer network, wherein the second polymer differs from the first polymer and the first polymer comprises 5 to 95% on a solids by weight basis of the emulsion and the monomers of the first polymer and second polymer are not readily copolymerizable.
Claim 3
Dependent Claim
29 words
Composition of claim 1 wherein the first polymer network contains a polymer selected from the group of polyvinyl acetate and vinylacetate-ethylene copolymer and the second polymer network is polystyrene.
Claim 4
Dependent Claim
14 words
Composition of claim 2 wherein the first polymer network contains a vinyl acetate-ethylene copolymer.
Claim 5
Dependent Claim
29 words
Composition of claim 1 wherein the first polymer comprises 30 to 90% and the second polymer comprises 10 to 70% on a solids by weight basis of the emulsion.
Claim 6
Dependent Claim
13 words
Composition of claim 1 further comprising a plasticizer, a solvent and a filler.
Claim 7
Dependent Claim
27 words
Composition of claim 1 wherein the protective colloid is selected from the group consisting of polyvinyl alcohol, hydroxyethyl cellulose, sodium carboxymethyl cellulose, styrenated acrylics and polyvinyl pyrrolidone.
Claim 8
Dependent Claim
25 words
Polymer emulsion of claim 1 wherein the first polymer network is crosslinked by polymerization of a first monomer in the presence of a protective colloid.
Claim 9
Dependent Claim
30 words
Polymer emulsion of claim 7 wherein the protective colloid for crosslinking is chosen from the group consisting of polyvinyl alcohol, hydroxyethy cellulose, sodium carboxymethyl cellulose, styrenated acrylic and polyvinyl pyrrolidine.
Claim 10
Dependent Claim
67 words
An aqueous polymer emulsion comprising a first polymer network which is crosslinked and which is mixed and intertwined on a molecular scale with a second polymer network, wherein the second polymer differs from the first polymer, wherein the first polymer comprises 5 to 95% on a solids by weight basis of the emulsion and the monomers of the first polymer and second polymer are not readily copolymerizable.
Claim 11
Dependent Claim
67 words
An aqueous polymer emulsion comprising a first polymer network which is crosslinked and which is mixed and intertwined on a molecular scale with a second polymer network, wherein the second polymer differs from the first polymer, wherein the first polymer comprises 5 to 95% on a solids by weight basis of the emulsion and the monomers of the first polymer and second polymer are not readily copolymerizable.
Claim 12
Dependent Claim
29 words
Polymer emulsion of claim 9 wherein the monomer of the first polymer contains one of vinyl acetate and styrene and the monomer of the second polymer contains the other.
Claim 13
Dependent Claim
62 words
Polymer emulsion of claim 9 wherein the polymer of the first polymer network is chosen from the group consisting of polyethylene, polyester, polyurethane, polyvinylacetate, vinylacetate-ethylene copolymer, vinylchloride-ethylene copolymer, polyvinyl propionate and vinylacetate-acrylic copolymer, and wherein the polymer of the second polymer network is polymerized from a monomer chosen from the group consisting of styrene, methyl methacrylate, acrylonitrile, butylacrylate, butadiene and mixtures thereof.
Claim 14
Dependent Claim
22 words
Polymer emulsion of claim 9 wherein the first polymer comprises 20 to 80% on solids by weight basis of the emulsion mixture.
Claim 15
Dependent Claim
30 words
Polymer emulsion of claim 9 wherein the second polymer contains a crosslinking agent selected from the group consisting of an active crosslinking agent, a latent crosslinking agent, and mixtures thereof.
Claim 16
Dependent Claim
22 words
Polymer emulsion of claim 9 wherein at least one of the first polymer and the second polymer contains a latent crosslinking monomer.
Claim 17
Dependent Claim
120 words
An aqueous polymer emulsion prepared by the process comprising: a) forming a first polymer emulsion which is crosslinked; b) mixing a second monomer with the first polymer emulsion whereby an emulsion mixture of the first polymer emulsion and a second monomer emulsion is obtained; c) allowing the emulsion mixture to equilibrate; and d) then polymerizing the emulsion mixture providing a first polymer network which is mixed and intertwined on a molecular scale with the second polymer network, wherein the second polymer differs from the first polymer and wherein the monomers of the first polymer and the second polymer are not readily copolymerizable and the first polymer comprises 5 to 95% on a solids by weight basis of the emulsion mixture.
Claim 18
Dependent Claim
120 words
An aqueous polymer emulsion prepared by the process comprising: a) forming a first polymer emulsion which is crosslinked; b) mixing a second monomer with the first polymer emulsion whereby an emulsion mixture of the first polymer emulsion and a second monomer emulsion is obtained; c) allowing the emulsion mixture to equilibrate; and d) then polymerizing the emulsion mixture providing a first polymer network which is mixed and intertwined on a molecular scale with the second polymer network, wherein the second polymer differs from the first polymer and wherein the monomers of the first polymer and the second polymer are not readily copolymerizable and the first polymer comprises 5 to 95% on a solids by weight basis of the emulsion mixture.
Claim 19
Dependent Claim
29 words
Polymer emulsion of claim 15 wherein the monomer of the first polymer contains one of vinyl acetate and styrene and the monomer of the second polymer contains the other.
Claim 20
Dependent Claim
62 words
Polymer emulsion of claim 15 wherein the polymer of the first polymer network is chosen from the group consisting of polyethylene, polyester, polyurethane, polyvinylacetate, vinylacetate-ethylene copolymer, vinylchloride-ethylene copolymer, polyvinyl propionate and vinylacetate-acrylic copolymer, and wherein the polymer of the second polymer network is polymerized from a monomer chosen from the group consisting of styrene, methyl methacrylate, acrylonitrile, butylacrylate, butadiene and mixtures thereof.
Claim 21
Dependent Claim
18 words
Polymer emulsion of claim 15 wherein the first polymer emulsion is formed by polymerizing a first monomer emulsion.
Claim 22
Dependent Claim
16 words
Polymer emulsion of claim 15 wherein the first polymer emulsion is formed by emulsifying a polymer.
Claim 23
Dependent Claim
23 words
Polymer emulsion of claim 15 wherein the first polymer emulsion comprises 20 to 80% on solids by weight basis of the emulsion mixture.
Claim 24
Dependent Claim
31 words
Polymer emulsion of claim 15 wherein the second monomer emulsion contains a crosslinking agent selected from the group consisting of an active crosslinking agent, a latent crosslinking agent, and mixtures thereof.
Claim 25
Dependent Claim
24 words
Polymer emulsion of claim 15 wherein at least one of the first polymer emulsion and the second monomer emulsion contains a latent crosslinking monomer.
Claim 26
Dependent Claim
30 words
Polymer emulsion of claim 15 wherein the first polymer emulsion is based upon a monomer which is not an inhibitor to polymerization of the monomer in the second monomer emulsion.
Claim 27
Dependent Claim
128 words
An adhesive composition comprising a protective colloid and an aqueous polymer emulsion prepared by the process comprising: a) forming a first polymer emulsion which is crosslinked; b) mixing a second monomer with the first polymer emulsion whereby an emulsion mixture of the first polymer emulsion and a second monomer emulsion is obtained; c) allowing the emulsion mixture to equilibrate; and d) then polymerizing the emulsion mixture providing a first polymer network which is mixed and intertwined on a molecular scale with the second polymer network, wherein the second polymer differs from the first polymer and wherein the monomers of the first polymer and the second polymer are not readily copolymerizable and the first polymer comprises 5 to 95% on a solids by weight basis of the emulsion mixture.
Claim 28
Dependent Claim
128 words
An adhesive composition comprising a protective colloid and an aqueous polymer emulsion prepared by the process comprising: a) forming a first polymer emulsion which is crosslinked; b) mixing a second monomer with the first polymer emulsion whereby an emulsion mixture of the first polymer emulsion and a second monomer emulsion is obtained; c) allowing the emulsion mixture to equilibrate; and d) then polymerizing the emulsion mixture providing a first polymer network which is mixed and intertwined on a molecular scale with the second polymer network, wherein the second polymer differs from the first polymer and wherein the monomers of the first polymer and the second polymer are not readily copolymerizable and the first polymer comprises 5 to 95% on a solids by weight basis of the emulsion mixture.
Claim 29
Dependent Claim
27 words
Composition of claim 24 wherein the first polymer contains a polymer selected from the group of polyvinyl acetate and vinylacetate-ethylene copolymer and the second polymer is polystyrene.
Claim 30
Dependent Claim
13 words
Composition of claim 25 wherein the first polymer contains a vinyl acetate-ethylene copolymer.
Claim 31
Dependent Claim
29 words
Composition of claim 24 wherein the first polymer comprises 30 to 90% and the second polymer comprises 10 to 70% on a solids by weight basis of the emulsion.
Claim 32
Dependent Claim
13 words
Composition of claim 24 further comprising a plasticizer, a solvent and a filler.
Claim 33
Dependent Claim
27 words
Composition of claim 24 wherein the protective colloid is selected from the group consisting of polyvinyl alcohol, hydroxyethyl cellulose, sodium carboxymethyl cellulose, styrenated acrylics and polyvinyl pyrrolidone.
Claim 34
Dependent Claim
23 words
Composition of claim 24 wherein the first polymer is crosslinked by polymerization of a first monomer in the presence of a protective colloid.
Claim 35
Dependent Claim
29 words
Composition of claim 30 wherein the protective colloid for crosslinking is chosen from the group consisting of polyvinyl alcohol, hydroxyethyl cellulose, sodium carboxymethyl cellulose, styrenated acrylic and polyvinyl pyrrolidine.
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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) | 1996-03-01 | 1996-08-31 | 1997-03-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2000-03-01 | 2000-08-31 | 2001-03-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2004-03-01 | 2004-08-31 | 2005-03-02 | $7700.00 | Window Closed / Lapsed |