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특허 상세정보

Extruded, open-cell microcellular alkenyl aromatic polymer foams, process for making, and articles made therefrom

국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판) C08J-009/08   
미국특허분류(USC) 521/079 ; 264/050 ; 264/051 ; 264/053 ; 521/079 ; 521/081 ; 521/097 ; 521/139
출원번호 US-0932031 (1997-09-17)
발명자 / 주소
출원인 / 주소
대리인 / 주소
    Dean, Jr.
인용정보 피인용 횟수 : 20  인용 특허 : 12
초록

Disclosed is an extruded, open-cell microcellular alkenyl aromatic polymer foam useful in insulating applications. The foam has an open cell content of about 70 percent or more. The foam has an average cell size of about 70 micrometers or less. The foam is particularly useful in evacuated or vacuum insulation panels. Further disclosed is a process for making the open-cell foam. Further disclosed is a fabricated foam article.

대표
청구항

[ What is claimed is:] [1.] A process for making an extruded, open-cell microcellular alkenyl aromatic polymer foam having an open cell content of about 70 percent or more and having an average cell size of about 70 micrometers or less and a density of about 16 to 100 kilograms per cubic meter, comprising:a) heating an alkenyl aromatic polymer material comprising greater than 50 weight percent alkenyl aromatic monomeric units;b) incorporating into the melt polymer material a nucleating agent additive at from about 0.01 to about 5 parts by weight based up...

이 특허에 인용된 특허 (12)

  1. Williams ; Jr. Joel M. (Los Alamos NM) Nyitray Alice M. (Los Alamos NM) Wilkerson Mark H. (Espanola NM). Composite foams. USP1990104966919.
  2. Williams ; Jr. Joel M. (Los Alamos NM) Nyitray Alice M. (Los Alamos NM) Wilkerson Mark H. (Espanola NM). Composite foams. USP1991085037859.
  3. Jenkins Francis Edward (Wilmington DE) Tynan Daniel Gregory (Wilmington DE). Continuous process for preparing particulate microporous, open-celled polymer structures in a screw-type extruder. USP1977084041115.
  4. Imeokparia Daniel D. (Pickerington OH) Shmidt Creston D. (Nashport OH) Suh Kyung W. (Granville OH). Extruded, open-cell alkenyl aromatic polymer foam and process for making. USP1995055411687.
  5. 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.
  6. Aubert James H. (Albuquerque NM) Clough Roger L. (Albuquerque NM) Curro John G. (Placitas NM) Quintana Carlos A. (Albuquerque NM) Russick Edward M. (Albuquerque NM) Shaw Montgomery T. (Mansfield Cent. Low density microcellular foams. USP1987064673695.
  7. Martini-Vvedensky Jane E. (Sudbury MA) Suh Nam P. (Falls Church VA) Waldman Francis A. (London GB2). Microcellular closed cell foams and their method of manufacture. USP1984094473665.
  8. Cha Sung W. (Cambridge MA) Suh Nam P. (Sudbury MA) Baldwin Daniel F. (Medford MA) Park Chul B. (Cambridge MA). Microcellular thermoplastic foamed with supercritical fluid. USP1992105158986.
  9. Komatsuzaki Nobuyuki (Koga JPX) Tsubone Masahiro (Koga JPX) Machida Bon (Koga JPX). Polystyrene foamed sheet suitable for forming. USP1985074528221.
  10. De Vos Rik (Rotselaar BEX) Keane N. Washington (Kraainem BEX). Rigid polyurethane foams. USP1994095346928.
  11. Baldwin Daniel F. (Medford MA) Suh Nam P. (Sudbury MA) Park Chul B. (Cambridge MA) Cha Sung W. (Cambridge MA). Supermicrocellular foamed materials. USP1994085334356.
  12. Hardenbrook Scott B. (Kent NY) Desmond Cynthia L. (Rochester NY). Thermoformed plastic containers with transparent windows and method of making same. USP1988034728559.

이 특허를 인용한 특허 피인용횟수: 20

  1. Naito,Masato; Gokuraku,Hiroyuki; Imanari,Daisuke; Nishiyama,Noritoshi. Core material for vacuum heat insulation material, and vacuum heat insulation material. USP2007017166348.
  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. Rane, Mark; Bullock, Dustin. Insulating device. USP201806D821155.
  5. Rane, Mark; Bullock, Dustin. Insulating device. USP201806D821156.
  6. Rane, Mark; Bullock, Dustin. Insulating device. USP201806D821157.
  7. Rane, Mark; Bullock, Dustin. Insulating device. USP201807D821824.
  8. Rane, Mark; Bullock, Dustin. Insulating device. USP201806D820647.
  9. Rane, Mark; Bullock, Dustin. Insulating device. USP201806D820648.
  10. Dontula, Narasimharao; Greener, Jehuda; Fleischer, Cathy A.; Park, Chul B.; Lee, Patrick C.; Wang, Jin; Naguib, Hani E.. Manufacturing process for open celled microcellular foam. USP2005106958365.
  11. Joseph M. DeSimone ; Saad A. Khan ; Joseph R. Royer ; Richard J. Spontak ; Teri Anne Walker. Method of making foamed materials using surfactants and carbon dioxide. USP2002066403663.
  12. DeSimone, Joseph M.; Khan, Saad A.; Royer, Joseph R.; Spontak, Richard J.; Walker, Teri Anne; Gay, Yvon J.; Siripurapu, Srinivas. Methods of making foamed materials of blended thermoplastic polymers using carbon dioxide. USP2004096790870.
  13. Osanai Shinsuke,JPX ; Nishida Kiyomi,JPX. Noise insulating member having low degree of water and oil absorbency. USP2001056237717.
  14. 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.
  15. 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.
  16. 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.
  17. 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.
  18. 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.
  19. 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.
  20. Grogan Kevin. Thermally insulating shipping system. USP2001126325281.