[특허]Peroxide-curable fluoroelastomers having bromine an iodine curesites and the preparation thereof

[미국특허] Peroxide-curable fluoroelastomers having bromine an iodine curesites and the preparation thereof 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	C08F-016/24
출원번호	US-0351919 (1989-05-15)
발명자 / 주소	Moore Albert L. (Wilmington DE)
출원인 / 주소	E. I. Du Pont de Nemours and Company (Wilmington DE 02)
인용정보	피인용 횟수 : 30 인용 특허 : 7

초록 ▼

Peroxide-curable fluoroelastomers are prepared in the presence of iodinated compounds, with iodine bonding to a substantial number of terminal positions on the fluoroelastomer, and comprising up to 3 weight percent of bromine-containing units selected from fluoroolefins and perfluoroalkyl perfluorovinyl ethers, and complementally at least 97 weight percent of either units of vinylidene fluoride, one or more fluoroolefins, and optionally perfluoroalkyl perfluorovinyl ethers, or units of tetrafluoroethylene, perfluoroalkyl perfluorovinyl ether, and ethylene. The resulting fluoroelastomers have improved processability, excellent strength and compression set properties, and are useful in the preparation of injection molded shaft seals, gaskets and other molded parts. The fluoroelastomer is prepared by a continuous emulsion polymerization process.

대표청구항 ▼

A composition comprising a peroxide curable fluoroelastomer prepared by continuous emulsion polymerization in the presence of iodinated compounds of the formula RIn , where R is a saturated hydrocarbon radical of 1-12 carbon atoms, I is iodine, and n is 1 or 2, said iodine being bonded at a substantial number of terminal positions on the fluoroelastomer, the amount of iodinated compound being sufficient to provide at least 0.1 weight percent iodine in the fluoroelastomer, comprising: (a) up to 3 weight percent based on the total weight of components (a) and (b), of polymer repeat units selected from the group consisting of fluoroolefins and fluorovinyl ethers, said units containing bromine and being present in an amount present to provide 0.1-1.0 weight percent bromine in the fluoroelastomer; and (b) complementally, at least 97 weight percent, based on the total weight of components (a) and (b), of: (1) polymer repeat units of vinylidene fluoride, and polymer repeat units of one or more fluoroolefins copolymerizable therewith, said fluoroolefins containing 2-8 carbon atoms and at least as many fluorine atoms as carbon atoms, or (2) 32-60 mole percent of polymer repeat units of tetrafluoroethylene, 20-40 mole percent of polymer repeat units of perfluoroalkyl perfluorovinyl ethers, and 10-40 mole percent of polymer repeat units of ethylene.

이 특허에 인용된 특허 (7) 인용/피인용 타임라인 분석

Moore Albert L. (Wilmington DE), Base resistant fluoroelastomers.
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Tatemoto Masayoshi (Osaka JPX) Suzuki Takeshi (Kyoto JPX) Tomoda Masayasu (Osaka JPX) Furukawa Yasuyoshi (Osaka JPX) Ueta Yutaka (Osaka JPX), Cross linkable fluorine-containing polymer and its production.
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Albin Loren D. (Oakdale MN), Fluorocarbon elastomer.
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Apotheker David (Wilmington DE) Krusic Paul J. (Wilmington DE), Fluoropolymer composition.
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Apotheker David (Wilmington DE) Krusic Paul Joseph (Wilmington DE), Fluoropolymer containing a small amount of bromine-containing olefin units.
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Weisgerber Gregor (Konigswinter DT) Trautvetter Werner (Troisdorf-Spich DT), Process for the preparation of thermoplastically workable fluoro-olefin polymers.
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Weisgerber Gregor (Konigswinter DT) Trautvetter Werner (Troisdorf-Spich DT), Process for the preparation of thermoplastically workable fluoro-olefin polymers.
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이 특허를 인용한 특허 (30) 인용/피인용 타임라인 분석

Abusleme Julio A.,ITX ; Guarda Pier Antonio,ITX ; De Pasquale Ralph J., (CO) polymerization process of fluorinated olefinic monomers in aqueous emulsion.
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Abusleme Julio A.,ITX ; Chittofrati Alba,ITX, (Co) polymerization process of fluoro-containing monomers for obtaining hydrogen containing polymers.
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Julio A. Abusleme IT; Alba Chittofrati IT, (Co)polymerization process of fluoro-containing monomers for obtaining hydrogen containing polymers.
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Bekiarian Paul Gregory, Base resistant fluorinated polymers.
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Bekiarian Paul Gregory, Base resistant fluorinated polymers.
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Saito Satoru,JPX ; Tatsu Haruyoshi,JPX, Fluorine-containing copolymer elastomer process for producing the same and composition containing the same.
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Enokida Takashi,JPX ; Akimoto Hajime,JPX ; Tatsu Haruyoshi,JPX, Fluoroelastomer and its cross-linkable composition.
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Effenberger John A. ; Comeaux Christopher M. ; David Lawrence D. ; Pollock Timothy P. ; Sahlin Katherine M. ; Socha Laura A. ; Stone Richard L. ; Verbicky John W., Fluoropolymeric composition.
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John A. Effenberger ; Christopher M. Comeaux ; Lawrence D. David ; Timothy P. Pollock ; Katherine M. Sahlin ; Laura A. Socha ; Richard L. Stone ; John W. Verbicky, Fluoropolymeric composition.
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Kruger Ralf,DEX ; Ackermann Jurgen,DEX ; Wrobel Dieter,DEX ; Steinberger Helmut,DEX, Fluororubber, a process for its production and its use, as well as a process for producing fluororubber moldings and/or.
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Mizuno,Kazuhiko, Low refractive index coating composition for use in antireflection polymer film coatings and manufacturing method.
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Ralf Kruger ; Gerhard Heilig DE; Claus Dieter Sommerfeld DE, Method for the production of partially fluorinated fluoropolymers.
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Martin, Steven J.; Dressel, Luke T.; Hutt, Aaron E.; Schotz, Eric A.; Spawn, Terence D.; Guerra, Miguel A.; Fukushi, Tatsuo; Miller, Jeremy A.; Geise, Christopher M.; McDonell, James A., Method of making alpha, omega-diiodoperfluoroalkanes.
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Abusleme Julio A.,ITX ; Chittofrati Alba,ITX, Microemulsions of fluoropolyoxyalklenes in admixture with hydrocarocarbons, and their use in (co)polymerization process.
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Arcella, Vincenzo; Brinati, Giulio; Albano, Margherita; Tortelli, Vito, Peroxide curable fluoroelastomers particularly suitable for manufacturing O-rings.
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Arcella Vincenzo (Novara ITX) Brinati Giulio (Milan ITX) Albano Margherita (Milan ITX) Tortelli Vito (Milan ITX), Peroxide curable fluoroelastomers, particularly suitable for manufacturing O-rings.
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Gottlieb, Marc Bernard; Ruepping, Christian, Process for preparing UV curable sealing assemblies.
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Nishimura, Yousuke; Irie, Masaki; Irie, Sadashige; Fujisawa, Manabu; Tokuno, Satoshi; Kishine, Mitsuru, Process for preparing vulcanizable fluorine-containing elastomer.
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Harrison, David B.; Biener, Wilhelm-Franz, Rapidly crosslinking fluoropolymer.
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Christian Ruepping CH, UV curable elastomer composition.
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Christian Ruepping CH, UV curable elastomer composition.
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Christian Ruepping CH, UV curable elastomer composition.
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Paglia, Patrick Luigi; Ruepping, Christian, UV curable elastomer composition.
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Paglia, Patrick Luigi; Ruepping, Christian, UV curable elastomer composition.
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Paglia, Patrick Luigi; Ruepping, Christian, UV curable elastomer composition.
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Paglia, Patrick Luigi; Ruepping, Christian, UV curable elastomer composition.
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Ruepping, Christian, UV curable elastomer composition.
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Ruepping, Christian, UV curable elastomer composition.
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Ruepping, Christian, UV curable elastomer composition.
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Ruepping, Christian, UV curable elastomer composition.
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A	생활필수품
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[미국특허] Peroxide-curable fluoroelastomers having bromine an iodine curesites and the preparation thereof 원문보기