Patent US4616057A successfully refreshed from Google Patents.
US4616057A
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Polymer emulsion containing an interpenetrating polymer network
Assignee: Omnova Services Inc
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Filing: 1985-07-10
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Granted: 1986-10-07
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Expires: 2005-07-10
Abstract
Abstract A process is provided which prepares an aqueous polymer emulsion containing an interpenetrating polymer network. This polymer emulsion is useful as a binder, adhesive or coating.
Inventors
- 👤 Martin K. Lindemann
- 👤 Kim Deacon
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 07:55
CPC Classifications
C; C08; C08L; C08L33/00; C08L33/04; C08L33/06; C08F; C08F265/00; C08F265/08; C08F257/00; C08F257/02; C08F263/00; C08F263/02; C08F263/04; C08F265/04; C08L31/00; C08L31/02; C08L31/04; C08L2201/00; C08L2201/52; C08L2205/00; C08L2205/04; Y; Y10; Y10S; Y10S525/00; Y10S525/903; Y10T; Y10T442/00; Y10T442/20; Y10T442/2861; Y10T442/2926; Y10T442/2934; Y10T442/2943
Claims Analysis
Total Claims: 27
Claim 1
Independent Claim
88 words
Process for preparing an aqueous polymer emulsion comprising: (a) forming a first polymer emulsion containing an active crosslinking agent; (b) mixing a second monomer emulsion with the first polymer emulsion; (c) allowing the emulsion mixture to equilibrate; and (d) then polymerizing the emulsion mixture providing a first polymer network which is intertwined on a molecular scale with the 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 mixture.
Claim 2
Dependent Claim
88 words
Process for preparing an aqueous polymer emulsion comprising: (a) forming a first polymer emulsion containing an active crosslinking agent; (b) mixing a second monomer emulsion with the first polymer emulsion; (c) allowing the emulsion mixture to equilibrate; and (d) then polymerizing the emulsion mixture providing a first polymer network which is intertwined on a molecular scale with the 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 mixture.
Claim 3
Dependent Claim
17 words
Process of claim 1 wherein the first polymer emulsion is formed by polymerizing a first monomer emulsion.
Claim 4
Dependent Claim
14 words
Process claim 1 wherein the first polymer emulsion is formed by emulsifying a polymer.
Claim 5
Dependent Claim
22 words
Process of claim 1 wherein the first polymer emulsion comprises 20 to 80% on solids by weight basis of the emulsion mixture.
Claim 6
Dependent Claim
30 words
Process of claim 1 wherein the second monomer emulsion contains a crosslinking agent selected from the group consisting of an active crosslinking agent, a latent crosslinking agent, and mixture thereof.
Claim 7
Dependent Claim
23 words
Process of claim 5 wherein at least one of the first polymer emulsion and the second monomer emulsion contains a latent crosslinking monomer.
Claim 8
Dependent Claim
29 words
Process of claim 6 wherein the polymer in the first polymer emulsion is chosen from the group consisting of polymethyl methacrylate, polyvinyl acetate, polystyrene, polyacrylo nitrile and copolymers thereof.
Claim 9
Dependent Claim
27 words
Process of claim 7 wherein the monomer in the second monomer emulsion is chosen from the group consisting acrylo nitrile, methyl methacrylate, butylacrylate, styrene and mixtures thereof.
Claim 10
Dependent Claim
30 words
Process of claim 1 where in 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 11
Dependent Claim
34 words
Process of claim 1 wherein the first polymer emulsion contains polyvinyl acetate and the second monomer emulsion contains a monomer selected for the group consisting of styrene, methyl methacrylate, butylacrylate, acrylonitrile and mixtures thereof.
Claim 12
Dependent Claim
35 words
Process of claim 1 wherein the first polymer emulsion is based upon a monomer which is incompatable with the monomer in the second monomer in the second monomer emulsion in that they cannot be copolymerized.
Claim 13
Dependent Claim
32 words
Process as in one of claims 1 or 5-11 further comprising applying the polymer emulsion to a substiate, then drying and heating to complete the bonding of the first and second networks.
Claim 14
Dependent Claim
15 words
The polymer emulsion prepared by the process as in any of claim 1 or 5-11.
Claim 15
Dependent Claim
19 words
Process of claim 13 wherein the polymer emulsion is applied to a substrate as a binder, adhesive or coating.
Claim 16
Dependent Claim
29 words
Process of claim 14 wherein the polymer emulsion is applied to a substrate chosen from the group consisting of textile fibers, non-woven fabrics, woven fabrics and knitted textile fabrics.
Claim 17
Dependent Claim
9 words
The product prepared by the process of claim 14.
Claim 18
Dependent Claim
64 words
A fiberfill product comprising a fiberfill bound by a binder comprising an aqueous polymer emulsion containing a first polymer network containing an active crosslinking agent which is 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 mixture.
Claim 19
Dependent Claim
64 words
A fiberfill product comprising a fiberfill bound by a binder comprising an aqueous polymer emulsion containing a first polymer network containing an active crosslinking agent which is 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 mixture.
Claim 20
Dependent Claim
29 words
Product of claim 17 wherein the polymer of the first polymer network is chosen from the group consisting of polymethyl methacrylate, polyvinyl acetate, polystyrene, polyacrylo nitrile and copolymers thereof.
Claim 21
Dependent Claim
35 words
Product of claim 18 wherein the polymer of the second polymer network is different from the first polymer and is chosen from the group consisting of polyacrylo nitrile, polymethyl methacrylate, polybutylacrylate, polystyrene and copolymers thereof.
Claim 22
Dependent Claim
19 words
Product of claim 17 wherein the first polymer and second polymer are incompatable in that they cannot be copolymerized.
Claim 23
Dependent Claim
53 words
An aqueous polymer emulsion comprising: a first polymer network containing an active crosslinking agent which is 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 mixture.
Claim 24
Dependent Claim
53 words
An aqueous polymer emulsion comprising: a first polymer network containing an active crosslinking agent which is 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 mixture.
Claim 25
Dependent Claim
30 words
Polymer emulsion of claim 21 wherein the polymer of the first polymer network is chosen from the group consisting of polymethyl methacrylate, polyvinyl acetate, polystyrene, polyacrylo nitrile and copolymers thereof.
Claim 26
Dependent Claim
35 words
Product of claim 22 wherein the polymer of the second polymer network is different from the first polymer and is chosen from the group consisting of polyacrylo nitrile, polymethyl methacrylate, polybutylacrylate, polystyrene and copolymers thereof.
Claim 27
Dependent Claim
19 words
Product of claim 21 wherein the first polymer and second polymer are incompatable in that they cannot be copolymerized.
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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) | 1989-10-06 | 1990-04-07 | 1990-10-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1993-10-06 | 1994-04-07 | 1994-10-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1997-10-06 | 1998-04-07 | 1998-10-07 | $7700.00 | Window Closed / Lapsed |