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JPS5373288A - Preparation of polyester pellets - Google Patents

Preparation of polyester pellets

Info

Publication number
JPS5373288A
JPS5373288A JP14876776A JP14876776A JPS5373288A JP S5373288 A JPS5373288 A JP S5373288A JP 14876776 A JP14876776 A JP 14876776A JP 14876776 A JP14876776 A JP 14876776A JP S5373288 A JPS5373288 A JP S5373288A
Authority
JP
Japan
Prior art keywords
polyester pellets
preparation
pellets
10ppm
prepare
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
JP14876776A
Other languages
Japanese (ja)
Inventor
Gen Kurisu
Noritsugu Saiki
Shoji Kawase
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.)
Teijin Ltd
Original Assignee
Teijin 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 Teijin Ltd filed Critical Teijin Ltd
Priority to JP14876776A priority Critical patent/JPS5373288A/en
Publication of JPS5373288A publication Critical patent/JPS5373288A/en
Pending legal-status Critical Current

Links

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  • Polyesters Or Polycarbonates (AREA)

Abstract

PURPOSE: To prepare the title polyester pellets of acetaldehyde content ≤10ppm, suitable as molded material for use in food packaging, by heating polyester pellets of intrinsic viscosity ≥0.2 and also <0.5 under an inert gas stream to effect solid-state polymerization.
COPYRIGHT: (C)1978,JPO&Japio
JP14876776A 1976-12-13 1976-12-13 Preparation of polyester pellets Pending JPS5373288A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP14876776A JPS5373288A (en) 1976-12-13 1976-12-13 Preparation of polyester pellets

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP14876776A JPS5373288A (en) 1976-12-13 1976-12-13 Preparation of polyester pellets

Publications (1)

Publication Number Publication Date
JPS5373288A true JPS5373288A (en) 1978-06-29

Family

ID=15460187

Family Applications (1)

Application Number Title Priority Date Filing Date
JP14876776A Pending JPS5373288A (en) 1976-12-13 1976-12-13 Preparation of polyester pellets

Country Status (1)

Country Link
JP (1) JPS5373288A (en)

Cited By (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5513715A (en) * 1978-07-14 1980-01-30 Nippon Ester Co Ltd Preparation of polyester pellet
JPS5569618A (en) * 1978-11-20 1980-05-26 Toyobo Co Ltd Polyester resin for packaging
JPS5589330A (en) * 1978-12-27 1980-07-05 Diafoil Co Ltd Production of polyester
JPS5590136A (en) * 1978-12-27 1980-07-08 Toshiba Corp Solid-state relay
JPS55164219A (en) * 1979-06-07 1980-12-20 Nippon Ester Co Ltd Preparation of polyester chip
JPS5643324A (en) * 1979-09-18 1981-04-22 Nippon Ester Co Ltd Production of polyester chip
JPS56112925A (en) * 1980-02-14 1981-09-05 Hitachi Ltd Production of polyester
JPS56155224A (en) * 1980-05-01 1981-12-01 Nippon Ester Co Ltd Manufacture of polyester
JPS5744624A (en) * 1980-09-01 1982-03-13 Hitachi Ltd Apparatus for solid phase polymerization of polyester
JPS5847023A (en) * 1981-09-16 1983-03-18 Toray Ind Inc Production of polyester for blow molding
JPS58176212A (en) * 1982-04-09 1983-10-15 Teijin Ltd Polyester for molding and its production
EP0222714A2 (en) * 1985-11-15 1987-05-20 COBARR S.p.A. Process for the production of high molecular weight polyester
WO1998049217A1 (en) * 1997-05-01 1998-11-05 Eastman Chemical Company Process for the preparation of polyesters
US5922164A (en) * 1992-04-12 1999-07-13 Toray Industries, Inc. Polyester film for thermal lamination
WO2007026838A1 (en) * 2005-09-01 2007-03-08 Mitsubishi Chemical Corporation Method for producing polyester
JP2009280797A (en) * 2008-04-21 2009-12-03 Mitsubishi Chemicals Corp Method for producing polyethylene terephthalate

Cited By (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5513715A (en) * 1978-07-14 1980-01-30 Nippon Ester Co Ltd Preparation of polyester pellet
JPS5569618A (en) * 1978-11-20 1980-05-26 Toyobo Co Ltd Polyester resin for packaging
JPS5589330A (en) * 1978-12-27 1980-07-05 Diafoil Co Ltd Production of polyester
JPS5590136A (en) * 1978-12-27 1980-07-08 Toshiba Corp Solid-state relay
JPS6249294B2 (en) * 1978-12-27 1987-10-19 Daiafoil
JPS6245250B2 (en) * 1979-06-07 1987-09-25 Nippon Ester Co Ltd
JPS55164219A (en) * 1979-06-07 1980-12-20 Nippon Ester Co Ltd Preparation of polyester chip
JPS5643324A (en) * 1979-09-18 1981-04-22 Nippon Ester Co Ltd Production of polyester chip
JPS6360058B2 (en) * 1979-09-18 1988-11-22
JPS56112925A (en) * 1980-02-14 1981-09-05 Hitachi Ltd Production of polyester
JPS56155224A (en) * 1980-05-01 1981-12-01 Nippon Ester Co Ltd Manufacture of polyester
JPS5744624A (en) * 1980-09-01 1982-03-13 Hitachi Ltd Apparatus for solid phase polymerization of polyester
JPS5847023A (en) * 1981-09-16 1983-03-18 Toray Ind Inc Production of polyester for blow molding
JPS58176212A (en) * 1982-04-09 1983-10-15 Teijin Ltd Polyester for molding and its production
EP0222714A2 (en) * 1985-11-15 1987-05-20 COBARR S.p.A. Process for the production of high molecular weight polyester
US5922164A (en) * 1992-04-12 1999-07-13 Toray Industries, Inc. Polyester film for thermal lamination
WO1998049217A1 (en) * 1997-05-01 1998-11-05 Eastman Chemical Company Process for the preparation of polyesters
WO2007026838A1 (en) * 2005-09-01 2007-03-08 Mitsubishi Chemical Corporation Method for producing polyester
JP2009280797A (en) * 2008-04-21 2009-12-03 Mitsubishi Chemicals Corp Method for producing polyethylene terephthalate

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