US4714650A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Stainproof, flame-resistant composite sheet material
Assignee: Hiraoka and Co Ltd
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Filing: 1986-10-02
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Granted: 1987-12-22
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Expires: 2006-10-02
Abstract
Abstract A stainproof, flame-resistant composite sheet material including at least one silicone polymer layer containing a silicon resin or rubber and optionally a flame-resistant inorganic filler and at least one stainproof surface layer containing at least one synthetic thermoplastic stain-resistant, weathering-resistant polymeric material, the silicone polymer layer and the stainproof surface layer being bonded optionally through an adhesive material, a cold plasma or corona discharge-modified surface portion of the silicone polymer layer or a cold plasma or corona discharge-modified and graft polymerization-modified surface portion of the silicone polymer layer.
Inventors
- 👤 Tsutomu Obayashi
- 👤 Kazuhide Ino
- 👤 Yoshiji Hiraoka
- 👤 Saburo Baba
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 08:49
CPC Classifications
B; B32; B32B; B32B25/00; B32B25/04; B32B25/08; B32B25/20; B32B27/00; B32B27/18; B32B27/20; B32B27/30; B32B27/304; B32B27/308; B32B5/00; B32B5/02; B32B7/00; B32B7/04; B32B7/12; B32B2262/00; B32B2262/10; B32B2262/101; B32B2262/103; B32B2262/106; B32B2307/00; B32B2307/30; B32B2307/306; B32B2307/3065; B32B2310/00; B32B2310/14; B32B2319/00; B32B2327/00; B32B2327/06; B32B2327/12; B32B2333/00; Y; Y10; Y10S; Y10S428/00; Y10S428/902; Y10S428/92; Y10S428/921; Y10S428/922; Y10T; Y10T428/00; Y10T428/29; Y10T428/2913; Y10T428/2915; Y10T428/2918; Y10T428/2933; Y10T428/294; Y10T428/30; Y10T428/31504; Y10T428/31511; Y10T428/31515; Y10T428/3154; Y10T428/31544; Y10T428/31551; Y10T428/31573; Y10T428/31576; Y10T428/31652; Y10T428/31663; Y10T428/31725; Y10T428/3175; Y10T428/31786; Y10T428/31797; Y10T428/31855; Y10T428/31909; Y10T428/31913; Y10T428/3192; Y10T428/31942; Y10T442/00; Y10T442/20; Y10T442/2213; Y10T442/2279; Y10T442/2287; Y10T442/2631
Claims Analysis
Total Claims: 18
Claim 1
Independent Claim
99 words
An improved composite sheet material comprising: (a) at least one stainproof surface layer containing at least one synthetic thermoplastic polymeric material having a high stain-resistance and weathering resistance selected from the group consisting of polyacrylic polymer resin materials and fluorine-containing polymer resin materials; and (b) at least one silicone polymer layer containing at least one member selected from the group consisting of silicone resins and silicone rubber, and having a surface portion thereof modified by means of a corona discharge treatment, through which resultant corona discharge-treated surface portion, the silicone polymer layer is bonded to the stainproof surface layer.
Claim 2
Dependent Claim
99 words
An improved composite sheet material comprising: (a) at least one stainproof surface layer containing at least one synthetic thermoplastic polymeric material having a high stain-resistance and weathering resistance selected from the group consisting of polyacrylic polymer resin materials and fluorine-containing polymer resin materials; and (b) at least one silicone polymer layer containing at least one member selected from the group consisting of silicone resins and silicone rubber, and having a surface portion thereof modified by means of a corona discharge treatment, through which resultant corona discharge-treated surface portion, the silicone polymer layer is bonded to the stainproof surface layer.
Claim 3
Dependent Claim
33 words
The composite sheet material as claimed in claim 1, wherein the silicone resins are selected from the group consisting of organopolysiloxane resins, polyacryloxyalkylalkoxy silane resins, polyvinylsilane resins, and derivatives of the above-mentioned resins.
Claim 4
Dependent Claim
32 words
The composite sheet material as claimed in claim 1, wherein the silicone polymer layer consists of at least one member alone selected from the group consisting of silicone resins and silicone rubbers.
Claim 5
Dependent Claim
57 words
The composite sheet material as claimed in claim 1, wherein the silicone polymer layer comprises a silicone matrix consisting of at least one member selected from the group consisting of silicone resins and silicone rubbers and at least one flame-retardant inorganic filler in an amount of 30% to 300% based on the weight of the silicone matrix.
Claim 6
Dependent Claim
29 words
The composite sheet material as claimed in claim 1, wherein the stainproof surface layer comprises a laminate consisting of a polyvinylidene fluoride resin layer and a polyacrylic resin layer.
Claim 7
Dependent Claim
34 words
The composite sheet material as claimed in claim 1, wherein the stainproof surface layer comprises a laminate consisting of a polyvinylidene fluoride resin layer, a polyacrylic resin layer and a polyvinyl chloride resin layer.
Claim 8
Dependent Claim
33 words
The composite sheet material as claimed in claim 1, wherein the silicone polymer layer is formed on a substrate consisting of a fibrous fabric selected from woven fabrics, knitted fabrics and nonwoven fabrics.
Claim 9
Dependent Claim
23 words
The composite sheet material as claimed in claim 7, wherein the fabric substrate consists of a mixture of inorganic fibers and organic fibers.
Claim 10
Dependent Claim
25 words
The composite sheet material as claimed in claim 8, wherein the inorganic fibers and organic fibers are in a weight ratio of 10:90 to 90:10.
Claim 11
Dependent Claim
36 words
The composite sheet material as claimed in claim 8, wherein the organic fibers contains at least 25% by weight of flame-resistant organic fibers having a melting point or heat decomposition point of 300° C. or more.
Claim 12
Dependent Claim
16 words
The composite sheet material as claimed in claim 7, wherein the fibrous fabric contains flame-resistant fibers.
Claim 13
Dependent Claim
35 words
The composite sheet material as claimed in claim 11, wherein the flame-resistant fibers are inorganic fibers selected from the group consisting of asbestos fibers, ceramic fibers, silica fibers, glass fibers, carbon fibers, and metal fibers.
Claim 14
Dependent Claim
29 words
The composite sheet material as claimed in claim 11, wherein the flame-resistant fibers are organic fibers having a melting point or heat decomposition point of 300° C. or more.
Claim 15
Dependent Claim
30 words
The composite sheet material as claimed in claim 1, wherein the corona discharge-modified portion of the silicone polymer layer is adhered to the stainproof surface layer with an adhesive material.
Claim 16
Dependent Claim
37 words
The composite sheet material as claimed in claim 14, wherein the adhesive material is selected from the group consisting of polyacrylic adhesive polymer materials, epoxy adhesive materials, polyethyleneimine adhesive materials, polyisocyanate adhesive materials, and polyurethane adhesive materials.
Claim 17
Dependent Claim
123 words
An improved composite sheet material comprising: (a) at least one stainproof surface layer containing at least one synthetic thermoplastic polymeric material having a high stain-resistance and weathering resistance selected from the group consisting of polyacrylic polymer resin materials and fluorine-containing polymer resin materials; (b) at least one silicone polymer layer containing at least one member selected from the group consisting of silicone resins and silicone rubber, and having a surface portion thereof modified by means of a corona discharge treatment, through which resultant corona discharge-treated surface portion, the silicone polymer layer is bonded to the stainproof surface layer; and (c) a substrate consisting of a fibrous fabric selected from woven fabrics, knitted fabrics and non-woven fabrics and bonded to the silicone polymer layer.
Claim 18
Dependent Claim
123 words
An improved composite sheet material comprising: (a) at least one stainproof surface layer containing at least one synthetic thermoplastic polymeric material having a high stain-resistance and weathering resistance selected from the group consisting of polyacrylic polymer resin materials and fluorine-containing polymer resin materials; (b) at least one silicone polymer layer containing at least one member selected from the group consisting of silicone resins and silicone rubber, and having a surface portion thereof modified by means of a corona discharge treatment, through which resultant corona discharge-treated surface portion, the silicone polymer layer is bonded to the stainproof surface layer; and (c) a substrate consisting of a fibrous fabric selected from woven fabrics, knitted fabrics and non-woven fabrics and bonded to the silicone polymer layer.
References Cited (Backward Citations)
GB1278798A
Cited
GB1328653A
Cited
US4409275A
Cited
US4025485A
Cited
GB2032804A
Cited
US4341841A
Cited
AU5496980A
Cited
US4312693A
Cited
US4367262A
Cited
AU7037581A
Cited
US4308197A
Cited
US4286013A
Cited
GB2086909A
Cited
EP0062899A1
Cited
AU8527882A
Cited
DE8301282U1
Cited
GB2142925A
Cited
US4489127A
Cited
EP0150385A2
Cited
US4618522A
Cited
US4540617A
Cited
US4615947A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1990-12-21 | 1991-06-22 | 1991-12-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1994-12-21 | 1995-06-22 | 1995-12-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1998-12-21 | 1999-06-22 | 1999-12-22 | $7700.00 | Window Closed / Lapsed |