[특허]Modified perfluoropolymer sheet material and methods for making same

Modified perfluoropolymer sheet material and methods for making same 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	B32B-027/24 B32B-027/30 B32B-005/02 B32B-017/02
출원번호	US-0641972 (2009-12-18)
등록번호	US-8969222 (2015-03-03)
발명자 / 주소	Keese, Frank M. Pleydon, Robert G. Hardy, Anne B. Fan, Hua
출원인 / 주소	Saint-Gobain Performance Plastics Corporation
대리인 / 주소	Abel Law Group, LLP
인용정보	피인용 횟수 : 0 인용 특허 : 26

초록

A coated fabric includes a reinforcement, a first coating disposed on the reinforcement, and a second coating disposed on the first coating. The first coating includes perfluoropolymer. The second coating includes perfluoropolymer and a silicone polymer in an amount in a range of 2 wt % to 30 wt %.

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1. A coated fabric comprising: a reinforcement;a first coating on the reinforcement, the first coating comprising perfluoropolymer;a second coating on the first coating, the second coating comprising perfluoropolymer and a silicone polymer in an amount in a range of 2 wt % to 30 wt %; anda third coating on the second coating. 2. The coated fabric of claim 1, wherein the range of silicone polymer is 10 wt % to 25 wt %. 3. The coated fabric of claim 1, wherein the third coating comprises fluoropolymer. 4. The coated fabric of claim 1, wherein the third coating comprises silicone. 5. The coated fabric of claim 1, wherein the coated fabric has a trapezoidal tear strength in the machine direction of at least 13 lbs. 6. The coated fabric of claim 1, wherein the coated fabric has a trapezoidal tear strength in the cross direction of at least 11 lbs. 7. The coated fabric of claim 1, wherein the coated fabric has a Tear Directional Ratio of at least 0.77 . 8. The coated fabric of claim 1, wherein the coated fabric has a coating adhesion of at least 1.8 lb/in. 9. The coated fabric of claim 1, wherein the coated fabric exhibits a fill break strength of at least 200 lb/in. 10. The coated fabric of claim 1, wherein the coated fabric exhibits a Strength Retention of at least 25%. 11. The coated fabric of claim 1, wherein the coated fabric exhibits a Cohesion Ratio of not greater than 142.5. 12. The coated fabric of claim 1, wherein the coated fabric has a specular reflectance of not greater than 0.5%. 13. The coated fabric of claim 1, wherein the perfluoropolymer comprises polytetrafluoroethylene (PTFE), hexafluoropropylene (HFP), fluorinated ethylene propylene (FEP), perfluoroalkyl vinyl ether (PFA), or any combination thereof. 14. The coated fabric of claim 1, wherein the silicone polymer is derived from a precured silicone polymer dispersion. 15. The coated fabric of claim 1, wherein the second coating is applied in an amount of at least 1.5 osy. 16. The coated fabric of claim 1, wherein the total weight of the coated fabric is at least 4.0 osy. 17. A coated fabric comprising: a reinforcement;a first coating on the reinforcement, the first coating comprising perfluoropolymer; anda second coating on the first coating, the second coating comprising a polymer blend comprising a perfluoropolymer and 2wt % to 30wt % of a silicone polymer, or a perfluoropolymer, 2wt % to 30wt % of a silicone polymer, and a filler,wherein the reinforcement is a woven glass fabric and has two opposing major surfaces, the first coating overlies the two opposing major surfaces of the reinforcement layer and has two opposing major surfaces facing away from the reinforcement layer, and the second coating overlies the two opposing major surfaces of the first coating. 18. The coated fabric of claim 17, wherein the perfluoropolymer is selected from the group consisting of polytetrafluoroethylene (PTFE), hexafluoropropylene (HFP), fluorinated ethylene propylene (FEP), perfluoroalkyl vinyl ether (PFA), and any combination thereof. 19. The coated fabric of claim 17, further comprising a third coating comprising a silicone. 20. The coated fabric of claim 17, wherein the perfluoropolymer comprises polytetrafluoroethylene (PTFE), hexafluoropropylene (HFP), fluorinated ethylene propylene (FEP), perfluoroalkyl vinyl ether (PFA), or any combination thereof. 21. The coated fabric of claim 17, wherein the silicone polymer is derived from a precured silicone polymer dispersion.

이 특허에 인용된 특허 (26)

Chen Jiann Hsing ; Demejo Lawrence Paul ; Roberts Gary Frederick, Amorphous fluoropolymer coated fusing member.
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Merrill ; Jr. Douglas P. (Hoosick Falls NY) Hamilton Robert F. (Eagle Bridge NY), Antenna cover fabric for microwave transmissive emitters.
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Tomihashi, Nobuyuki; Ogita, Koichiro; Terasaka, Kiyotaro; Nakatani, Yasukazu, Aqueous curing composition of fluoroelastomer and article coated with fluoroelastomer.
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Yoshimura Tatsushiro (Takatsuki JPX) Terada Tsutomu (Takatsuki JPX) Nakayama Shozo (Kariya JPX), Aqueous fluorine-containing rubber coating composition and article coated therewith.
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Peters William E. (Danville IN), Elastomer-PTFE compositions, additives, and manufacturing methods.
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Li,Wen; Lin,Chon Yie; Chapman,Bryan R.; Kelly,Michael B., Fibers and nonwovens from plasticized polyolefin compositions.
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van Cleeff Albertus, Fluoroelastomer latex.
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Effenberger John A. (Bedford NH) Keese Frank M. (Amherst NH), Fluoropolymer coating and casting compositions and films derived therefrom.
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Toru Takamura JP; Akio Nakano JP, Heat-resistant silicone rubber composite sheet having thermal conductivity and method of producing the same.
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Goupil, Jr.,Gerald M.; Comeaux,Christopher M.; Keese,Frank M., Heating, ventilation, and air conditioning system having a film valve and film for controlling air flow.
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Wang,Yunzhang; Wang,Daike; Zhang,Simon X., Method for making textile substrates having layered finish structure for improving liquid repellency and stain release.
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Hintzer, Klaus; Löhr, Gernot; Killich, Albert; Schwertfeger, Werner, Method of making an aqueous dispersion of fluoropolymers.
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Keese, Frank M., Non-curling reinforced composite membranes with differing opposed faces, methods for producing and their use in varied applications.
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Close Donald (Stow OH), Novel fluoroelastomer film compositions containing vinyl copolymers and method for the preparation thereof.
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Zucker Jerry (Charleston SC) Singletary Michael P. (Goose Creek SC) Fabian James L. (Goose Creek SC), Process for coating aqueous fluoropolymer coating on porous substrate.
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Adiletta Joseph G. (Thompson CT), Process for preparing hydrophobic porous fibrous sheet material of high strength and porosity and product.
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Casson Harold V. (Kingston CAX) Crabtree Grant G. (Napanee CAX) Kindl Bruno (Kingston CAX) Noonan Edward B. (Kingston CAX), Protection of substrates against corrosion.
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Effenberger John A. (Bennington VT) Keese Frank M. (Hoosick Falls NY), Reinforced fluoropolymer composite.
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Gangal Subhash V. (Parkersburg WV) Olson Allan H. (Parkersburg WV), Tetrafluoroethylene polymer dispersions.
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Wang,Yunzhang; Wang,Daike; Zhang,Simon X., Textile substrates having layered finish structure for improving liquid repellency and stain release.
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Furuta Motonobu (Tsukuba JPX) Tsuji Mitsuji (Ichihara JPX), Thermoplastic resin composition.
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Tomihashi, Nobuyuki; Ogita, Koichiro; Terasaka, Kiyotaro; Nakatani, Yasukazu, Water-based composition for fluororubber vulcanization and article coated with fluororubber.
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Yoshimura Tastushiro (Takatsuki JPX) Terada Tsutomu (Takatsuki JPX), Water-based fluoroelastomer coating composition.
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Tomihashi, Nobuyuki; Ogita, Koichiro; Terasaka, Kiyotaro; Nakatani, Yasukazu, Water-based vulcanizable fluororubber composition and coated article.
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Kirochko Pavel ; Kreiner James G., Water-borne fluoroelastomer coatings and cured films therefrom.
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Pinter,Michael W.; Rahim,Marufur, Waterbased high abrasion resistant coating.
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Modified perfluoropolymer sheet material and methods for making same 원문보기

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