JPS54124098A - Preparation of polyester - Google Patents

Preparation of polyester

Info

Publication number
JPS54124098A
JPS54124098A JP3110878A JP3110878A JPS54124098A JP S54124098 A JPS54124098 A JP S54124098A JP 3110878 A JP3110878 A JP 3110878A JP 3110878 A JP3110878 A JP 3110878A JP S54124098 A JPS54124098 A JP S54124098A
Authority
JP
Japan
Prior art keywords
ethylene glycol
polyester
sec
inorganic particles
slurry
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
JP3110878A
Other languages
Japanese (ja)
Inventor
Akio Odajima
Masaru Suzuki
Tomoyuki Minami
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.)
Toray Industries Inc
Original Assignee
Toray Industries Inc
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 Toray Industries Inc filed Critical Toray Industries Inc
Priority to JP3110878A priority Critical patent/JPS54124098A/en
Publication of JPS54124098A publication Critical patent/JPS54124098A/en
Pending legal-status Critical Current

Links

Landscapes

  • Compositions Of Macromolecular Compounds (AREA)
  • Polyesters Or Polycarbonates (AREA)

Abstract

PURPOSE: To prepare a polyester useful as magnetic tape base, microfilm, metallized film, etc. and giving excellent slipperiness and fineness of surface flatness, by adding an ethylene glycol slurry of inactive inorganic particles, prepared by dispersing with stirring under specific conditions.
CONSTITUTION: Inactive inorganic particles, e.g. silica, etc., having ≤ 7μ of ESD 10% value are dispersed in ethylene glycol by mean of a high speed stirrer under the condition of a peripheral speed (m/sec) × time (sec) of ≥4,000 and a heat evolution due to shear of ≥50°C. The slurry is added to the reaction system of terephthalic acid (derivative) and ethylene glycol, and the polymerization is carried out to give the desired polyester.
COPYRIGHT: (C)1979,JPO&Japio
JP3110878A 1978-03-20 1978-03-20 Preparation of polyester Pending JPS54124098A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP3110878A JPS54124098A (en) 1978-03-20 1978-03-20 Preparation of polyester

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP3110878A JPS54124098A (en) 1978-03-20 1978-03-20 Preparation of polyester

Publications (1)

Publication Number Publication Date
JPS54124098A true JPS54124098A (en) 1979-09-26

Family

ID=12322198

Family Applications (1)

Application Number Title Priority Date Filing Date
JP3110878A Pending JPS54124098A (en) 1978-03-20 1978-03-20 Preparation of polyester

Country Status (1)

Country Link
JP (1) JPS54124098A (en)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5691231A (en) * 1979-12-25 1981-07-24 Diafoil Co Ltd Polyester film for photosensitive recording body
JPS56102849A (en) * 1980-01-18 1981-08-17 Diafoil Co Ltd Polyester film for photosensitive recording material
JPS60168719A (en) * 1984-02-13 1985-09-02 Toyobo Co Ltd Production of easily slidable polyester
JPS61209260A (en) * 1985-03-14 1986-09-17 Konishiroku Photo Ind Co Ltd Production of resin composition
JPH01225626A (en) * 1988-03-07 1989-09-08 Toray Ind Inc Manufacture of polyester
JPH0343447A (en) * 1989-07-10 1991-02-25 Toray Ind Inc Polyester composition
JP2008094935A (en) * 2006-10-11 2008-04-24 Toyobo Co Ltd Method for producing polyester

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS49107097A (en) * 1973-01-29 1974-10-11
JPS5240300A (en) * 1975-09-25 1977-03-29 Mitsubishi Electric Corp Collector of charged particle beam device
JPS53125495A (en) * 1977-04-11 1978-11-01 Toray Ind Inc Preparation of polyester

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS49107097A (en) * 1973-01-29 1974-10-11
JPS5240300A (en) * 1975-09-25 1977-03-29 Mitsubishi Electric Corp Collector of charged particle beam device
JPS53125495A (en) * 1977-04-11 1978-11-01 Toray Ind Inc Preparation of polyester

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5691231A (en) * 1979-12-25 1981-07-24 Diafoil Co Ltd Polyester film for photosensitive recording body
JPH0368368B2 (en) * 1979-12-25 1991-10-28 Daiafoil
JPS56102849A (en) * 1980-01-18 1981-08-17 Diafoil Co Ltd Polyester film for photosensitive recording material
JPS60168719A (en) * 1984-02-13 1985-09-02 Toyobo Co Ltd Production of easily slidable polyester
JPS61209260A (en) * 1985-03-14 1986-09-17 Konishiroku Photo Ind Co Ltd Production of resin composition
JPH01225626A (en) * 1988-03-07 1989-09-08 Toray Ind Inc Manufacture of polyester
JPH0343447A (en) * 1989-07-10 1991-02-25 Toray Ind Inc Polyester composition
JP2008094935A (en) * 2006-10-11 2008-04-24 Toyobo Co Ltd Method for producing polyester

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