CN1082063A - 降低后缩聚聚酯材料黄值的方法 - Google Patents

降低后缩聚聚酯材料黄值的方法 Download PDF

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Publication number
CN1082063A
CN1082063A CN 93108505 CN93108505A CN1082063A CN 1082063 A CN1082063 A CN 1082063A CN 93108505 CN93108505 CN 93108505 CN 93108505 A CN93108505 A CN 93108505A CN 1082063 A CN1082063 A CN 1082063A
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CN
China
Prior art keywords
aftercondensated
crystallization
temperature
color
polyester
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN 93108505
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English (en)
Chinese (zh)
Inventor
W·卡吉
A·卢夫
E·波勒
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Gebr RUEHLER AG
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Gebr RUEHLER AG
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Publication date
Application filed by Gebr RUEHLER AG filed Critical Gebr RUEHLER AG
Publication of CN1082063A publication Critical patent/CN1082063A/zh
Pending legal-status Critical Current

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    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G63/00—Macromolecular compounds obtained by reactions forming a carboxylic ester link in the main chain of the macromolecule
    • C08G63/78—Preparation processes
    • C08G63/80—Solid-state polycondensation
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G63/00—Macromolecular compounds obtained by reactions forming a carboxylic ester link in the main chain of the macromolecule
    • C08G63/88—Post-polymerisation treatment

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  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Polyesters Or Polycarbonates (AREA)
CN 93108505 1992-07-06 1993-07-05 降低后缩聚聚酯材料黄值的方法 Pending CN1082063A (zh)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH2131/92 1992-07-06
CH213192 1992-07-06

Publications (1)

Publication Number Publication Date
CN1082063A true CN1082063A (zh) 1994-02-16

Family

ID=4226610

Family Applications (1)

Application Number Title Priority Date Filing Date
CN 93108505 Pending CN1082063A (zh) 1992-07-06 1993-07-05 降低后缩聚聚酯材料黄值的方法

Country Status (2)

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CN (1) CN1082063A (fr)
WO (1) WO1994001484A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104059220A (zh) * 2014-07-16 2014-09-24 珠海华润包装材料有限公司 一种pet固相缩聚装置

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19902458A1 (de) 1999-01-22 2000-07-27 Buehler Ag Vorrichtung und Verfahren zum Behandeln von Kunststoffmaterial
AU1370800A (en) * 1999-02-04 2000-08-25 Buhler Ag Process for upgrading plastic material
KR100466961B1 (ko) * 2002-01-29 2005-01-24 이종환 회전 수평조절용 솔 플레이트
KR200340118Y1 (ko) * 2003-10-17 2004-01-31 동일고무벨트주식회사 교좌장치
AT502958B1 (de) * 2005-12-05 2011-07-15 Starlinger & Co Gmbh Anlage zur wärmebehandlung von kunststoffmaterial

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA849098A (en) * 1970-08-11 J. Kibler Charles Process for solid phase polymerization of polyethylene terephthalate
US3544525A (en) * 1968-03-26 1970-12-01 Allied Chem Process for crystallization,drying and solid-state polymerization of polyesters
IT1199668B (it) * 1986-11-21 1988-12-30 Cobarr Spa Procedimento per la produzione di resina poliestere ad alto peso molecolare

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104059220A (zh) * 2014-07-16 2014-09-24 珠海华润包装材料有限公司 一种pet固相缩聚装置

Also Published As

Publication number Publication date
WO1994001484A1 (fr) 1994-01-20

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C06 Publication
PB01 Publication
C01 Deemed withdrawal of patent application (patent law 1993)
WD01 Invention patent application deemed withdrawn after publication