[특허]Composite thermoplastic elastomer blend and process for preparing the same

[미국특허] Composite thermoplastic elastomer blend and process for preparing the same 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	C08L-001/26 C08J-003/05
출원번호	US-0283333 (1988-12-12)
발명자 / 주소	Isayev Avraam I. (Akron OH)
출원인 / 주소	University of Akron (Akron OH 02)
인용정보	피인용 횟수 : 33 인용 특허 : 9

초록 ▼

Thermoplastic elastomer blends comprising a thermoplastic elastomer and 1-20% by weight of a water insoluble alkyl cellulose exhibit improved mechanical properties compared to the unblended thermoplastic elastomer. The preferred thermoplastic blend of end polypropylene elastomer is EPDM. The preferred concentrations are 2.5-15%, most preferably 5-12%, all percentages being by weight based on total polymer content. The blends are formed by high shear mixing at a temperature at which both materials are melt processible. The alkyl cellulose in the product is present as domains which are essentially uniformly dispersed in a thermoplastic elastomer matrix.

대표청구항 ▼

A composite elastomer blend comprising: (a) a thermoplastic elastomer and (b) from about 1% to about 20% by weight of a water insoluble thermotropic liquid crystal polymer, based on the combined amounts of said thermotropic liquid crystal polymer and said thermoplastic elastomer, said thermotropic liquid crystal polymer being a water insoluble alkyl cellulose in which the alkyl radical has at least two carbon atoms; said liquid crystal polymer being essentially incompatible with said thermoplastic elastomer and being present in the form of domains essentially uniformly dispersed in a matrix of said thermoplastic elastomer.

이 특허에 인용된 특허 (9) 인용/피인용 타임라인 분석

Cogswell Frederic N. (Welwyn Garden City GB2) Griffin Brian P. (St Albans GB2) Rose John B. (Letchworth GB2), Compositions of melt-processable polymers having improved processability.
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Cogswell Frederic N. (Welwyn Garden City GB2) Griffin Brian P. (St. Albans GB2) Rose John B. (Letchworth GB2), Compositions of melt-processable polymers having improved processability.
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Cogswell Frederic N. (Welwyn Garden City GB2) Griffin Brian P. (St. Albans GB2) Rose John B. (Letchworth GB2), Compositions of melt-processable polymers having improved processability.
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Packer Marvin (Bromall PA), Extrudable, non-flowing and non-aqueous solvent soluble hold down compound for printed wiring board assembly.
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Speyer, Fred B., Filled, thermoplastic workholding composition including a dicarboxylic acid, an alkylene hydrocarbon polymer, and an aromatic hydrocarbon polymer.
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Isayev Avraam (Akron OH) Modic Michael J. (Houston TX), Liquid crystal fiber-reinforced polymer composite and process for preparing same.
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Wolfe ; Jr. James R. (Wilmington DE), Thermoplastic elastomeric blends.
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Magagnini Pierluigi (Pisa ITX) Pedretti Ugo (Milan ITX) Perego Giovanni (Milan ITX) Bresci Bruno (Pisa ITX) Carrozzino Simona (Pisa ITX) Roggero Arnaldo (Milan ITX), Thermotropic copolyester having a nematic structure of the liquid-crystalline phase.
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Holst Arno (Wiesbaden DEX) Schermann Walter (Wiesbaden DEX) Fischer Wilhelm (Pirmasens DEX), Water vapor absorbing and transmitting sheet material of rubber containing a swellable cross-linked cellulose ether or s.
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이 특허를 인용한 특허 (33) 인용/피인용 타임라인 분석

Pelkie James E., Breathable elastic polymeric film laminates.
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Chan, John Geoffrey; Gall, Douglas A., Electric toothbrushes.
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Chan, John Geoffrey; Gall, Douglas A., Electric toothbrushes.
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Kachmar, Wayne M.; Kleckowski, Ronald J., Fiber optic cable.
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Kachmar, Wayne M., Fiber optic cable and connector assembly.
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Roberts Michael F. ; Masterman T. Craig ; Park Edward Hosung ; Sweeney Philip J. ; Tseng Mingchih M. ; Witkus Stephen C., Gum-massaging oral brush.
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Roberts Michael F. ; Masterman T. Craig ; Park Edward Hosung ; Sweeney Philip J. ; Tseng Mingchih M. ; Witkus Stephen C., Gum-massaging oral brush.
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Kachmar, Wayne M., Low shrink telecommunications cable and methods for manufacturing the same.
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Kachmar, Wayne M., Low shrink telecommunications cable and methods for manufacturing the same.
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Kachmar, Wayne M., Low shrink telecommunications cable and methods for manufacturing the same.
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Kachmar, Wayne M., Low shrink telecommunications cable and methods for manufacturing the same.
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Kachmar, Wayne M., Low shrink telecommunications cable and methods for manufacturing the same.
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Kachmar, Wayne M., Low shrink telecommunications cable and methods for manufacturing the same.
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Akashi Ryojiro,JPX ; Soyama Hidehiko,JPX ; Uematsu Takashi,JPX, Optical element and method of manufacturing the same, and macromolecular liquid crystal for an optical element.
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Brady Kevin A. ; Mackay John H., Process for adjusting WVTR and other properties of a polyolefin film.
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Brady, Kevin A.; Mackay, John H., Process for adjusting WVTR and other properties of a polyolefin film.
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Maehara, Hiroshi, Resin composition with biodegradable non-liquid-crystalline and liquid-crystalline polymers.
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Maehara,Hiroshi, Resin composition, method of molding the same, and method of recycling resin composition.
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Marcouiller, Thomas; Rudenick, Paula, Splice enclosure arrangement for fiber optic cables.
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Marcouiller, Thomas; Rudenick, Paula, Splice enclosure arrangement for fiber optic cables.
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Marcouiller, Thomas; Rudenick, Paula, Splice enclosure arrangement for fiber optic cables.
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Braun, Phillip M.; Bredall, William A.; Claire-Zimmet, Karen; Masterman, Thomas Craig; McConnell, Mark Edward; Roberts, Michael F.; Overthun, Thomas, Toothbrush.
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Braun, Phillip Maurice; Brown, Jr., William Ralph; Christman, Thomas Aurele; Masterman, Thomas Craig; Claire-Zimmet, Karen Lynn; Duff, Jr., Ronald Richard, Toothbrush head.
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Brown, Jr., William Ralph; Braun, Phillip Maurice; Christman, Thomas Aurele; Masterman, Thomas Craig; Claire-Zimmet, Karen Lynn; Duff, Jr., Ronald Richard, Toothbrush head.
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Chenvainu, Alexander T.; Christman, Thomas A., Toothbrushes.
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Braun, Phillip M; Syndosis, Joseph; Duff, Jr., Ronald R; Cohen, Richard H.; Masterman, Thomas Craig, Vibrating toothbrush.
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A62B-1/08	.. 윈치 또는 풀리에 제동기구가 있는 것

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[미국특허] Composite thermoplastic elastomer blend and process for preparing the same 원문보기