JPS56115317A - Preparation of polyester having excellent particle dispersing power - Google Patents

Preparation of polyester having excellent particle dispersing power

Info

Publication number
JPS56115317A
JPS56115317A JP1779780A JP1779780A JPS56115317A JP S56115317 A JPS56115317 A JP S56115317A JP 1779780 A JP1779780 A JP 1779780A JP 1779780 A JP1779780 A JP 1779780A JP S56115317 A JPS56115317 A JP S56115317A
Authority
JP
Japan
Prior art keywords
polyester
glycol
polymerization
slurry
silicon oxide
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.)
Granted
Application number
JP1779780A
Other languages
Japanese (ja)
Other versions
JPS6330335B2 (en
Inventor
Isao Terasawa
Hideo Ishibashi
Yoshimitsu Ito
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 JP1779780A priority Critical patent/JPS56115317A/en
Publication of JPS56115317A publication Critical patent/JPS56115317A/en
Publication of JPS6330335B2 publication Critical patent/JPS6330335B2/ja
Granted legal-status Critical Current

Links

Landscapes

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

Abstract

PURPOSE: To prepare the titled polyester having excellent transparency, slippery, and dyeability, by adding polyalkylene glycol and slurry of specific silicon oxide, an aromatic polyester and a glycol, to the polymerization system before the completion of the polymerization.
CONSTITUTION: A polyalkylene glycol such as polyethylene glycol is added to the polymerization system of terephthalic acid (derivative) and a glycol (derivative) selected from ethylene glycol and 1,4-butanediol, prior to the completion of the polymerization. The amount of the glycol is pref. 3W7wt% based on the polyester. On the other hand, a slurry is prepared by dispersing Al2O3-containing silicon oxide prepared by dry process in the above glycol using an aromatic polyester containing sulfonic acid base, as a dispersing agent. The slurry is added to the polymerization system so as to give the silicon oxide concentration in the polyester of 0.5W4wt%, and the polymerization is completed to obtain the objective polyester.
COPYRIGHT: (C)1981,JPO&Japio
JP1779780A 1980-02-18 1980-02-18 Preparation of polyester having excellent particle dispersing power Granted JPS56115317A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1779780A JPS56115317A (en) 1980-02-18 1980-02-18 Preparation of polyester having excellent particle dispersing power

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1779780A JPS56115317A (en) 1980-02-18 1980-02-18 Preparation of polyester having excellent particle dispersing power

Publications (2)

Publication Number Publication Date
JPS56115317A true JPS56115317A (en) 1981-09-10
JPS6330335B2 JPS6330335B2 (en) 1988-06-17

Family

ID=11953698

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1779780A Granted JPS56115317A (en) 1980-02-18 1980-02-18 Preparation of polyester having excellent particle dispersing power

Country Status (1)

Country Link
JP (1) JPS56115317A (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101889136B1 (en) 2012-03-29 2018-08-16 도요보 가부시키가이샤 Polyester composition and polyester film

Also Published As

Publication number Publication date
JPS6330335B2 (en) 1988-06-17

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