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Method for recycling pet flakes 원문보기

IPC분류정보
국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판)
  • B29C-047/00
출원번호 US-0381145 (1999-12-27)
우선권정보 DE-0010098 (1997-12-03)
국제출원번호 PCT/DE98/00459 (1998-02-17)
§371/§102 date 19991227 (19991227)
국제공개번호 WO98/40194 (1998-09-17)
발명자 / 주소
  • Rudiger Fredl DE
출원인 / 주소
  • Ohl Apparatebau & Verfahrenstechnik GmbH DE
대리인 / 주소
    Max Fogiel
인용정보 피인용 횟수 : 19  인용 특허 : 11

초록

The invention relates to a method for recycling polyethylene terephtalate (PET) flakes, characterized in that the flakes are extruded and granulated under vacuum, after which the granulate is aftercondensed in a solid phase under vacuum. Extrusion is preferably carried out in differentiated vent zon

대표청구항

1. A method for producing PET recyclate from flake, comprising the steps of: extruding and granulating the flake; recondensing solids of the granulate in a vacuum and stripping by homogeneously distributes injection of an inert gas; said extruding step being carried out in a vacuum and the stripping

이 특허에 인용된 특허 (11)

  1. Bailly Christian Maria Emile,BEX ; Chisholm Bret ; de Jongh Rene,NLX ; de Wit Gerrit,NLX, Blends of polyesters and polyesteramides, optionally with polycarbonates.
  2. Nichols Carl S. ; Moore Tony Clifford, Food quality polyester recycling.
  3. Pfaendner Rudolf,DEX ; Hoffmann Kurt,DEX ; Herbst Heinz,DEX, Increasing the molecular weight of polycondensates.
  4. Schiavone Robert Joseph, Method of preparing modified polyester bottle resins.
  5. Lieberman Mark, Painted plastic material recycling process.
  6. Semen John (Baton Rouge LA) Jones Jesse D. (Baton Rouge LA) Hornbaker Edwin D. (Baton Rouge LA), Polyethylene terephthalate blends.
  7. Walker Charles C. ; Gohil Rameshchadra M., Polyethylene terephthalate film for electrical insulation.
  8. Ekart Michael Paul ; Carroll ; Jr. Max Lamar ; Olsen Eric Gray ; Treece Lanney Calvin, Process for continuously producing polyester articles with scrap recycle in a continuous melt-to-preform process.
  9. Nelson Gregory W. (Kingsport TN) Cherry Clinton (Kingsport TN) Olsen Eric G. (Kingsport TN), Process for producing polyester articles having low acetaldehyde content.
  10. Al-Jumah Kusay B. (Birmingham AL) Tenney Linwood P. (Birmingham AL), Process for removing contaminants from polyolefins.
  11. Regnault Bernard (Roussillon FRX) Revol Pierre (Villeurbanne FRX), Process for the regeneration of polymer from waste.

이 특허를 인용한 특허 (19)

  1. Richardson, Delane Nagel; Sisson, Edwin A.; Korwin, Rebecca Spooner, Compartmentalized pellet for improved contaminant removal.
  2. Richardson, Delane Nagel; Sisson, Edwin A.; Korwin, Rebecca Spooner, Compartmentalized pellet for improved contaminant removal.
  3. Borer,Camille; Mueller,Martin; Gloeckner,Frank, Method and device for producing crystallizable plastic material.
  4. Dauner, Willy; Huber, Stephan, Method for producing a semi-finished product to be made into a CFRP component, from carbon-fiber scrap.
  5. Kulesa, Robert Francis; Feeney, James J.; Carlstedt, Richard Wayne; Blake, Daniel William; Hacker, Buckell Gary, Post consumer scrap film recycling process.
  6. Kulesa, Robert Francis; Feeney, James J.; Carlstedt, Richard Wayne; Blake, Daniel William; Hacker, Buckell Gary; Johnson, Abby Marie, Post consumer scrap film recycling process.
  7. Kulesa, Robert Francis; Feeney, James J.; Carlstedt, Richard Wayne; Blake, Daniel William; Hacker, Buckell Gary; Johnson, Abby Marie, Post consumer scrap film recycling process.
  8. Kulesa, Robert Francis; Feeney, James J.; Carlstedt, Richard Wayne; Blake, Daniel William; Hacker, Buckell Gary; Johnson, Abby Marie, Post consumer scrap film recycling process.
  9. Kulesa, Robert Francis; Feeney, James J.; Carlstedt, Richard Wayne; Blake, Daniel William; Hacker, Buckell Gary, Post consumer scrap film recycling system.
  10. Kulesa, Robert Francis; Feeney, James J.; Carlstedt, Richard Wayne; Blake, Daniel William; Hacker, Buckell Gary, Post-consumer scrap film recycling system and process.
  11. Kulesa, Robert Francis; Feeney, James J.; Carlstedt, Richard Wayne; Blake, Daniel William; Hacker, Buckell Gary, Post-consumer scrap film recycling system and process.
  12. Kulesa, Robert Francis; Feeney, James J.; Carlstedt, Richard Wayne; Blake, Daniel William; Hacker, Buckell Gary, Post-consumer scrap film recycling system and process.
  13. Kulesa, Robert Francis; Feeney, James J.; Carlstedt, Richard Wayne; Blake, Daniel William; Hacker, Buckell Gary, Post-consumer scrap film recycling system and process.
  14. Kulesa, Robert Francis; Feeney, James J.; Carlstedt, Richard Wayne; Blake, Daniel William; Hacker, Buckell Gary; Johnson, Abby Marie, Post-consumer scrap film recycling system and process.
  15. Kulesa, Robert Francis; Feeney, James J.; Carlstedt, Richard Wayne; Blake, Daniel William; Hacker, Buckell Gary; Johnson, Abby Marie, Post-consumer scrap film recycling system and process.
  16. Kulesa, Robert Francis; Feeney, James J.; Carlstedt, Richard Wayne; Blake, Daniel William; Hacker, Buckell Gary; Johnson, Abby Marie, Post-consumer scrap film recycling system and process.
  17. Kulkarni,Sanjay Tammaji, Process for controlled polymerization of a mixed polymer.
  18. Jain, Pranay, Process for recycling a metalized polyester film.
  19. Bower, Douglas J.; Carroll, Arron; Yamamoto, Satoshi, Process for recycling immiscibles in PET film.
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