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JPS5783523A - Preparation of polyester composition - Google Patents

Preparation of polyester composition

Info

Publication number
JPS5783523A
JPS5783523A JP15817480A JP15817480A JPS5783523A JP S5783523 A JPS5783523 A JP S5783523A JP 15817480 A JP15817480 A JP 15817480A JP 15817480 A JP15817480 A JP 15817480A JP S5783523 A JPS5783523 A JP S5783523A
Authority
JP
Japan
Prior art keywords
component
compound
polyester
metal compound
acid
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
JP15817480A
Other languages
Japanese (ja)
Other versions
JPS6366859B2 (en
Inventor
Tomoaki Ueda
Kojiro Maeda
Masahiko Mogi
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 JP15817480A priority Critical patent/JPS5783523A/en
Publication of JPS5783523A publication Critical patent/JPS5783523A/en
Publication of JPS6366859B2 publication Critical patent/JPS6366859B2/ja
Granted legal-status Critical Current

Links

Landscapes

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

Abstract

PURPOSE: To obtain the titled composition containing a large amount of fine particles free from admixture of coarse particles, by adding a glycol-soluble alkali metal compound and a phosphorus compound in specific ratios to an acid component to the reaction system under specified conditions.
CONSTITUTION: (A) An aromatic dicarboxylic acid (an ester forming derivative) (preferably terephthalic acid, etc.) and (B) a glycol are subjected to esterification. After the reaction is over, when a molar ratio of component B to A is 2.4W1.05 and a temperature is 200W260°C, (C) 0.3W3mol based on component A of an alkali metal compound and/or alkaline earth metal compound (preferably Li compound) and (D) 0.05W1.5mol based on component A of a phosphorus compound (e.g., phosphoric acid, etc.) are added to the reaction system, and dissolved, and polycondensation is finished to give the desired polyester. The addition of this polyester in an amount corresponding to the purpose provides a polyester containing no fine particles with improved surface properties.
COPYRIGHT: (C)1982,JPO&Japio
JP15817480A 1980-11-12 1980-11-12 Preparation of polyester composition Granted JPS5783523A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP15817480A JPS5783523A (en) 1980-11-12 1980-11-12 Preparation of polyester composition

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP15817480A JPS5783523A (en) 1980-11-12 1980-11-12 Preparation of polyester composition

Publications (2)

Publication Number Publication Date
JPS5783523A true JPS5783523A (en) 1982-05-25
JPS6366859B2 JPS6366859B2 (en) 1988-12-22

Family

ID=15665885

Family Applications (1)

Application Number Title Priority Date Filing Date
JP15817480A Granted JPS5783523A (en) 1980-11-12 1980-11-12 Preparation of polyester composition

Country Status (1)

Country Link
JP (1) JPS5783523A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59196359A (en) * 1983-04-21 1984-11-07 Toray Ind Inc Polyester composition

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59196359A (en) * 1983-04-21 1984-11-07 Toray Ind Inc Polyester composition
JPH055861B2 (en) * 1983-04-21 1993-01-25 Toray Industries

Also Published As

Publication number Publication date
JPS6366859B2 (en) 1988-12-22

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