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WO2009053998A3 - Catalyst for the production of polyester - Google Patents

Catalyst for the production of polyester Download PDF

Info

Publication number
WO2009053998A3
WO2009053998A3 PCT/IN2008/000456 IN2008000456W WO2009053998A3 WO 2009053998 A3 WO2009053998 A3 WO 2009053998A3 IN 2008000456 W IN2008000456 W IN 2008000456W WO 2009053998 A3 WO2009053998 A3 WO 2009053998A3
Authority
WO
WIPO (PCT)
Prior art keywords
polyester
catalyst
production
ppm
relates
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.)
Ceased
Application number
PCT/IN2008/000456
Other languages
French (fr)
Other versions
WO2009053998A2 (en
Inventor
Vikas Madhusudan Nadkarni
Sheeram Ashok Wadekar
Rajan Dubey
Sanjai Kesanwani
Anil Kumar Satpathy
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Reliance Industries Ltd
Original Assignee
Reliance Industries Ltd
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.)
Filing date
Publication date
Application filed by Reliance Industries Ltd filed Critical Reliance Industries Ltd
Publication of WO2009053998A2 publication Critical patent/WO2009053998A2/en
Publication of WO2009053998A3 publication Critical patent/WO2009053998A3/en
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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
    • C08G63/02—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
    • 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
    • C08G63/82—Preparation processes characterised by the catalyst used
    • C08G63/85—Germanium, tin, lead, arsenic, antimony, bismuth, titanium, zirconium, hafnium, vanadium, niobium, tantalum, or compounds thereof
    • C08G63/86—Germanium, antimony, or compounds thereof
    • C08G63/866—Antimony or compounds thereof

Landscapes

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Catalysts (AREA)
  • Polyesters Or Polycarbonates (AREA)

Abstract

The invention relates to a catalyst system for polyester synthesis, the catalyst system comprising at least 10 ppm of an alkali metal salt of paratoluene sulphonic acid and at least 50 ppm of antimony. The invention also relates to a process for polyester synthesis, to the polyester and to the articles prepared thereof.
PCT/IN2008/000456 2007-07-16 2008-07-16 Catalyst for the production of polyester Ceased WO2009053998A2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IN1352/MUM/2007 2007-07-16
IN1352MU2007 2007-07-16

Publications (2)

Publication Number Publication Date
WO2009053998A2 WO2009053998A2 (en) 2009-04-30
WO2009053998A3 true WO2009053998A3 (en) 2009-07-02

Family

ID=40580201

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/IN2008/000456 Ceased WO2009053998A2 (en) 2007-07-16 2008-07-16 Catalyst for the production of polyester

Country Status (1)

Country Link
WO (1) WO2009053998A2 (en)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4835247A (en) * 1988-08-08 1989-05-30 The Goodyear Tire & Rubber Company Process for the synthesis of a copolyester adhesive resin
JPH08245778A (en) * 1995-03-13 1996-09-24 Nippon Ester Co Ltd Production of copolyester

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4835247A (en) * 1988-08-08 1989-05-30 The Goodyear Tire & Rubber Company Process for the synthesis of a copolyester adhesive resin
JPH08245778A (en) * 1995-03-13 1996-09-24 Nippon Ester Co Ltd Production of copolyester

Also Published As

Publication number Publication date
WO2009053998A2 (en) 2009-04-30

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