US4683165A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Binder for fibers or fabrics
Assignee: Omnova Services Inc
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Filing: 1986-09-02
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Granted: 1987-07-28
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Expires: 2006-09-02
Abstract
Abstract A non-woven product is prepared in which a fiber or fabric is bound by a binder 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
2026-11-03 20:46
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: 20
Claim 1
Independent Claim
65 words
A nonwoven product comprising a fiber or fabric 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.
Claim 2
Dependent Claim
65 words
A nonwoven product comprising a fiber or fabric 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.
Claim 3
Dependent Claim
26 words
Product of claim 1 wherein the fiber is made from a composition chosen from the group consisting of glass, rayon, cotton, nylon, polyester, graphite and wood.
Claim 4
Dependent Claim
33 words
Product of claim 1 wherein the polymer of the first polymer network is chosen from the group consisting of polymethyl methacrylate, polyvinyl acetate, polystyrene, polybutylacrylate, vinylchloride-ethylene copolymer, vinylacetate-ethylene copolymer, polyacrylo-nitrile and copolymers thereof.
Claim 5
Dependent Claim
27 words
Product of claim 3 wherein the polymer of the second polymer network is chosen from the group consisting of polyacrylo-nitrile, polymethyl methacrylate, polybutylacrylate, polystyrene and copolymers thereof.
Claim 6
Dependent Claim
17 words
Product of claim 1 wherein the monomers of the first polymer and second polymer cannot be copolymerized.
Claim 7
Dependent Claim
38 words
Product 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 selected from the group consisting of polystyrene and polymethyl methacrylate.
Claim 8
Dependent Claim
14 words
Product of claim 6 wherein the first polymer network contains a vinyl acetate-ethylene copolymer.
Claim 9
Dependent Claim
29 words
Product of claim 4 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 10
Dependent Claim
28 words
Product of claim 1 wherein the nonwoven product is chosen from the group consisting of insulation, filters, construction fabrics, roofing materials, paper towels, carpets and other nonwoven fabrics.
Claim 11
Dependent Claim
11 words
Product of claim 1 wherein the binder further comprising thermosetting resins.
Claim 12
Dependent Claim
62 words
A glass fiber nonwoven mat 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.
Claim 13
Dependent Claim
62 words
A glass fiber nonwoven mat 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.
Claim 14
Dependent Claim
34 words
Product of claim 11 wherein the polymer of the first polymer network is chosen from the group consisting of polymethyl methacrylate, polyvinyl acetate, polystyrene, polybutylacrylate, vinylchloride-ethylene copolymer, vinylacetate-ethylene copolymer, polyacrylo nitrile and copolymers thereof.
Claim 15
Dependent Claim
28 words
Product of claim 12 wherein the polymer of the second polymer network is chosen from the group consisting of polyacrylo nitrile, polymethyl methacrylate, polybutylacrylate, polystyrene and copolymers thereof.
Claim 16
Dependent Claim
17 words
Product of claim 11 wherein the monomers of the first polymer and second polymer cannot be copolymerized.
Claim 17
Dependent Claim
38 words
Product of claim 11 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 selected from the group consisting of polystyrene and polymethyl methacrylate.
Claim 18
Dependent Claim
14 words
Product of claim 15 wherein the first polymer network contains a vinyl acetate-ethylene copolymer.
Claim 19
Dependent Claim
29 words
Product of claim 13 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 20
Dependent Claim
11 words
Product of claim 11 wherein the binder further comprises thermosetting resins.
References Cited (Backward Citations)
US3732184A
Cited
US4119746A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1990-07-27 | 1991-01-26 | 1991-07-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1994-07-27 | 1995-01-26 | 1995-07-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1998-07-27 | 1999-01-26 | 1999-07-28 | $7700.00 | Window Closed / Lapsed |