WO2009087651A3 - An improved solid-state polymerization process for the production of high molecular weight polyethylene terephthalate - Google Patents

An improved solid-state polymerization process for the production of high molecular weight polyethylene terephthalate Download PDF

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Publication number
WO2009087651A3
WO2009087651A3 PCT/IN2008/000678 IN2008000678W WO2009087651A3 WO 2009087651 A3 WO2009087651 A3 WO 2009087651A3 IN 2008000678 W IN2008000678 W IN 2008000678W WO 2009087651 A3 WO2009087651 A3 WO 2009087651A3
Authority
WO
WIPO (PCT)
Prior art keywords
production
molecular weight
high molecular
polyethylene terephthalate
polymerization process
Prior art date
Application number
PCT/IN2008/000678
Other languages
French (fr)
Other versions
WO2009087651A2 (en
Inventor
Vikas Madhusudan Nadkarni
Shreeram Ashok Wadekar
Srinivasacharya Ramacharya Ayodhya
Pushap Sudan
Anil Kumar Satpathy
Original Assignee
Reliance Industries Limited
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 Limited filed Critical Reliance Industries Limited
Publication of WO2009087651A2 publication Critical patent/WO2009087651A2/en
Publication of WO2009087651A3 publication Critical patent/WO2009087651A3/en

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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
    • 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
    • C08G63/78—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)
  • Polyesters Or Polycarbonates (AREA)

Abstract

The invention relates to an improved process for polyester synthesis, the process comprising first reacting a dicarboxylic acid and a polyol at a temperature in the range of 250 to 290 °C to obtain an ester oligomer, then reacting the oligomer in the molten state at a temperature in the range of 260 to 300 °C with 0.01 to 10 percentage by weight of at least one alkyl substituted 1,3- propane diol resulting in a prepolymer having intrinsic viscosity up to 0.65 dl/g and finally reacting the prepolymer in the solid state at a temperature in the range of 200 to 240 °C, under an inert atmosphere. The invention also relates to the polyester resin to the compositions containing the resin and to the shaped articles prepared from the composition.
PCT/IN2008/000678 2007-10-16 2008-10-16 An improved solid-state polymerization process for the production of high molecular weight polyethylene terephthalate WO2009087651A2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IN2056MU2007 2007-10-16
IN2056/MUM/2007 2007-10-16

Publications (2)

Publication Number Publication Date
WO2009087651A2 WO2009087651A2 (en) 2009-07-16
WO2009087651A3 true WO2009087651A3 (en) 2009-09-03

Family

ID=40853539

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/IN2008/000678 WO2009087651A2 (en) 2007-10-16 2008-10-16 An improved solid-state polymerization process for the production of high molecular weight polyethylene terephthalate

Country Status (1)

Country Link
WO (1) WO2009087651A2 (en)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1999042512A1 (en) * 1998-02-18 1999-08-26 Arco Chemical Technology, L.P. Process for making polyetherester resins with high aromatic ester content
WO2002042354A2 (en) * 2000-11-22 2002-05-30 Arco Chemical Technology, L.P. Polyester resins based on terephthalic acid and 2-methyl-1,3-propanediol and processes for the preparation thereof
WO2003020792A1 (en) * 2001-09-05 2003-03-13 Arco Chemical Technology, L.P. Process for making reactive unsaturated polyester resins from 2-methyl-1,3-propanediol

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1999042512A1 (en) * 1998-02-18 1999-08-26 Arco Chemical Technology, L.P. Process for making polyetherester resins with high aromatic ester content
WO2002042354A2 (en) * 2000-11-22 2002-05-30 Arco Chemical Technology, L.P. Polyester resins based on terephthalic acid and 2-methyl-1,3-propanediol and processes for the preparation thereof
WO2003020792A1 (en) * 2001-09-05 2003-03-13 Arco Chemical Technology, L.P. Process for making reactive unsaturated polyester resins from 2-methyl-1,3-propanediol

Also Published As

Publication number Publication date
WO2009087651A2 (en) 2009-07-16

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