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특허 상세정보

Polyolefin foams made with isopentane-based blowing agents

국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판) C08J-009/12    C08J-009/00    C08J-009/14   
미국특허분류(USC) 521/098; 142/143
출원번호 US-0188263 (2002-07-02)
발명자 / 주소
출원인 / 주소
대리인 / 주소
    Jenkens &
인용정보 피인용 횟수 : 11  인용 특허 : 42
초록

A blowing agent blend for making polyolefin foams comprising isopentane and at least one co-blowing agent. The co-blowing agent is either a physical co-blowing agent having a boiling point less than 28째 C., or a chemical co-blowing agent, or combinations thereof. The blowing agent blend comprises less than about 99 mol % isopentane.

대표
청구항

What is claimed is: 1. A blowing agent blend for making polyolefin foams comprising isopentane and at least one co-blowing agent, the co-blowing agent being (i) a physical co-blowing agent having a boiling point less than 28째 C., (ii) a chemical co-blowing agent, or (iii) combinations thereof, and wherein the blowing agent blend comprises less than about 99 mol % isopentane, and wherein if one of the at least one co-blowing agent is a physical co-blowing agent being isobutane, the blowing agent blend comprises less than 70 mol % isobutane. 2. The bl...

이 특허에 인용된 특허 (42)

  1. Werner Joachim (Bethel Park PA) Kane Scott A. (Wellsburg WV) Mortimer Charles E. (Tarentum PA) Doerge Herman P. (Pittsburgh PA) Boonstra Eric F. (Oakdale PA). Azeotrope-like compositions of 1,1,1,3,3-pentafluoropropane and 2-methyl butane. USP1996105562857.
  2. Lund ; deceased Earl August Eugene (late of West Seneca NY by Hilde Lund ; executrix ) Parker Robert Christian (Hamburg NY) Shankland Ian Robert (Williamsville NY). Azeotrope-like compositions of 1,1,1,3,3-pentaflurorpropane and hydrocarbons. USP1997095672294.
  3. Hoki Tsuneo (Mie JPX) Miura Nobuo (Mie JPX). Blended polyethylene-polystyrene compositions suitable for preparation of closed cell foam products. USP1987034652590.
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  17. Hoki Tsuneo (Suzuka JPX) Matsuki Yutaka (Suzuka JPX). Foaming synthetic resin compositions stabilized with N-(higher alkyl) C1-C8 amides. USP1982084345041.
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  21. Blythe James E. (Williamson NY) Colombo Edward A. (Penfield NY) Krutchen Charles M. (Pittsford NY) Williams Phillip A. (Naples NY) Wu Wen-Pao (Pittsford NY). High melt index polystyrene foam and method. USP1994025286429.
  22. Blythe James E. (Williamson NY) Colombo Edward A. (Penfield NY) Krutchen Charles M. (Pittsford NY) Williams Phillip A. (Naples NY) Wu Wen-Pao (Pittsford NY). High melt index polystytene foam and method. USP1994105356944.
  23. Wu Wen Pao ; Francis Gary A.. High productivity, low fugitive VOC emission foam process. USP1999085939463.
  24. Wu Wen Pao ; Francis Gary A.. High productivity, low fugitive emission foams and foam processes. USP2000106136875.
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  28. Malone Bruce A. (Granville OH). Method of providing closed-cell polyolefin foam having reduced blowing agent content to the end user. USP1992065124097.
  29. Pontiff Thomas M. (Gansevoort NY) Rapp Joseph P. (Franklin Lakes NJ). Methods for rapid purging of blowing agents from foamed polymer products. USP1991105059376.
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  35. Fujie Akira (Suzuka JPX) Yamagishi Tsukasa (Suzuka JPX). Preparation of foam particles of ethylenic resin and foam moldings prepared therefrom. USP1987024644013.
  36. Park Chung P. (Pickerington OH). Process for producing dimensionally stable polyolefin foams using environmentally acceptable blowing agent systems. USP1985074528300.
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  39. Alicke Gerhard (Worms DEX) Weilbacher Manfred (Frankenthal DEX) Wolff Bernardo (Mannheim DEX) Heinen Hartmut (Cologne DEX) Dietzen Franz-Josef (Ludwigshafen DEX) Weber Reinhold (Mutterstadt DEX) Hahn. Production of foam boards of high compressive strength from styrene polymers. USP1995095453454.
  40. Leduc Edward C. (Marietta GA). Styrenic foam blowing agent composition. USP1990094956395.
  41. Rogers John E. (Saratoga Springs NY) Kisner Ronnie D. (Queensbury NY). Ultra low density polyolefin foam, foamable polyolefin compositions and process for making same. USP1994035290822.
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이 특허를 인용한 특허 피인용횟수: 11

  1. Luly, Matthew H.; Singh, Rajiv R.; Richard, Robert G.. Compositions containing sulfur hexafluoride and uses thereof. USP2011077985355.
  2. Handa, Y. Paul. Expanded and extruded biodegradable and reduced emission foams made with methyl formate-based blowing agents. USP2010127846987.
  3. Handa, Y. Paul; Francis, Gary A.. Expanded and extruded polyolefin foams made with methyl formate-based blowing agents. USP2011098026291.
  4. Costeux, Stéphane; Zhu, Lingbo; Weikart, Christopher M.; Kalantar, Thomas H.. Nanoporous polymeric foam having high porosity. USP2017089718938.
  5. Cheung, Yunwa Wilson; Dobreski, David V.; Turner, Richard; Wheeler, Mark; Handa, Y. Paul. Polymer blends of biodegradable or bio-based and synthetic polymers and foams thereof. USP2011077977397.
  6. Cheung, Yunwa Wilson; Dobreski, David V.; Turner, Richard; Wheeler, Mark; Handa, Y. Paul. Polymer blends of biodegradable or bio-based and synthetic polymers and foams thereof. USP2011017872056.
  7. Lee, Day-Chyuan. Polyolefin-based cable compound formulation for improved foamability and enhanced processability. USP20181210160844.
  8. Handa, Y. Paul; Francis, Gary A.; Castner, Glenn C.; Zafar, Mohammad. Reduced-VOC and non-VOC blowing agents for making expanded and extruded thermoplastic foams. USP2014048703835.
  9. Handa, Y. Paul; Francis, Gary A.; Castner, Glenn C.; Zafar, Mohammad. Reduced-VOC and non-VOC blowing agents for making expanded and extruded thermoplastic foams. USP2013128598244.
  10. Handa, Y. Paul; Francis, Gary A.; Castner, Glenn C.; Zafar, Mohammad. Reduced-VOC and non-VOC blowing agents for making expanded and extruded thermoplastic foams. USP2012118309619.
  11. Handa, Y. Paul; Francis, Gary A.; Castner, Glenn C.; Zafar, Mohammad. Reduced-VOC and non-VOC blowing agents for making expanded and extruded thermoplastic foams. USP2016099453090.