BE541649A - - Google Patents

Info

Publication number
BE541649A
BE541649A BE541649DA BE541649A BE 541649 A BE541649 A BE 541649A BE 541649D A BE541649D A BE 541649DA BE 541649 A BE541649 A BE 541649A
Authority
BE
Belgium
Application number
Priority date (The priority date 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 date listed.)
Publication of BE541649A publication Critical patent/BE541649A/xx

Links

Classifications

    • 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
    • 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
    • C08G63/02—Polyesters derived from hydroxycarboxylic acids or from polycarboxylic acids and polyhydroxy compounds
    • C08G63/12—Polyesters derived from hydroxycarboxylic acids or from polycarboxylic acids and polyhydroxy compounds derived from polycarboxylic acids and polyhydroxy compounds
    • C08G63/16—Dicarboxylic acids and dihydroxy compounds
    • C08G63/18—Dicarboxylic acids and dihydroxy compounds the acids or hydroxy compounds containing carbocyclic rings
    • C08G63/181—Acids containing aromatic rings
    • C08G63/183—Terephthalic acids

Landscapes

  • 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)
BE541649D 1954-09-30 BE541649A (enExample)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB2823754A GB765597A (en) 1954-09-30 1954-09-30 Polytetramethylene terephthalate

Publications (1)

Publication Number Publication Date
BE541649A true BE541649A (enExample)

Family

ID=10272495

Family Applications (1)

Application Number Title Priority Date Filing Date
BE541649D BE541649A (enExample) 1954-09-30

Country Status (5)

Country Link
BE (1) BE541649A (enExample)
CA (1) CA565566A (enExample)
FR (1) FR1131022A (enExample)
GB (1) GB765597A (enExample)
IT (1) IT549917A (enExample)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL262267A (enExample) * 1961-03-10
BE759913A (fr) * 1969-12-05 1971-06-04 Fiber Industries Inc Procede de polymerisation du terephtalate de dimethyle
US7256241B2 (en) 2000-01-21 2007-08-14 Cyclics Corporation Methods for polymerizing macrocyclic polyester oligomers using catalyst promoters
US6960626B2 (en) 2000-01-21 2005-11-01 Cyclics Corporation Intimate physical mixtures containing macrocyclic polyester oligomer and filler
US7767781B2 (en) 2000-09-01 2010-08-03 Cyclics Corporation Preparation of low-acid polyalkylene terephthalate and preparation of macrocyclic polyester oligomer therefrom
US7750109B2 (en) 2000-09-01 2010-07-06 Cyclics Corporation Use of a residual oligomer recyclate in the production of macrocyclic polyester oligomer
AU2001288663A1 (en) 2000-09-01 2002-03-13 Cyclics Corporation Methods for converting linear polyesters to macrocyclic oligoester compositions and macrocyclic oligoesters
JP2005515965A (ja) 2001-06-27 2005-06-02 サイクリクス コーポレイション 大環状オリゴエステルの単離、処方、および成形
US7304123B2 (en) 2001-06-27 2007-12-04 Cyclics Corporation Processes for shaping macrocyclic oligoesters
US6787632B2 (en) 2001-10-09 2004-09-07 Cyclics Corporation Organo-titanate catalysts for preparing pure macrocyclic oligoesters
US7732557B2 (en) 2005-03-25 2010-06-08 Cyclics Corporation Methods for removing catalyst residue from a depolymerization process stream

Also Published As

Publication number Publication date
GB765597A (en) 1957-01-09
FR1131022A (fr) 1957-02-14
CA565566A (en) 1958-11-04
IT549917A (enExample)

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