JPS56112962A - Molding material for hollow polyester molding - Google Patents

Molding material for hollow polyester molding

Info

Publication number
JPS56112962A
JPS56112962A JP1442780A JP1442780A JPS56112962A JP S56112962 A JPS56112962 A JP S56112962A JP 1442780 A JP1442780 A JP 1442780A JP 1442780 A JP1442780 A JP 1442780A JP S56112962 A JPS56112962 A JP S56112962A
Authority
JP
Japan
Prior art keywords
compound
molding
hollow polyester
molding material
subjected
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
JP1442780A
Other languages
Japanese (ja)
Inventor
Hiroshi Iwata
Kimiyoshi Ishii
Noboru Imabayashi
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.)
Mitsubishi Rayon Co Ltd
Original Assignee
Mitsubishi Rayon Co 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 Mitsubishi Rayon Co Ltd filed Critical Mitsubishi Rayon Co Ltd
Priority to JP1442780A priority Critical patent/JPS56112962A/en
Publication of JPS56112962A publication Critical patent/JPS56112962A/en
Pending legal-status Critical Current

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Landscapes

  • Polyesters Or Polycarbonates (AREA)

Abstract

PURPOSE: To obtain a molding material capable of forming a transparent, colorless, thick, hollow polyester molding with a high productivity, by using a Mn-Ge-Co-P catalyst and also by specifying ranges of the relative viscosity and content of isophthalic acid.
CONSTITUTION: A molding material for hollow polyester moldings contains a Co compound, a Mn compound, a P compound, and a Ge compound in amounts meeting formulas IWIII and consists of an ethylene terephthalate-based copolyester with a relative viscosity of 1.6W2.3 and an isophthalic acid content of 5.0W20.0mol% (based on total acid components). The said copolyester is obtained by a procedure in which definite amounts of dimethyl terephthalate and dimethyl isophthalate, for example, are mixed, subjected to ester exchange reaction with ethylene glycol in the presence of a Mn compound, and then subjected to polycondensation reaction by the addition of a Co compound, a P compound, and a Ge compound.
USE: Containers for cosmetics, foods, and beverages.
COPYRIGHT: (C)1981,JPO&Japio
JP1442780A 1980-02-08 1980-02-08 Molding material for hollow polyester molding Pending JPS56112962A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1442780A JPS56112962A (en) 1980-02-08 1980-02-08 Molding material for hollow polyester molding

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1442780A JPS56112962A (en) 1980-02-08 1980-02-08 Molding material for hollow polyester molding

Publications (1)

Publication Number Publication Date
JPS56112962A true JPS56112962A (en) 1981-09-05

Family

ID=11860717

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1442780A Pending JPS56112962A (en) 1980-02-08 1980-02-08 Molding material for hollow polyester molding

Country Status (1)

Country Link
JP (1) JPS56112962A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61255857A (en) * 1985-05-10 1986-11-13 帝人株式会社 Multilayer oriented polyester bottle

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS53130796A (en) * 1977-04-20 1978-11-15 Toyobo Co Ltd Preparation of polyester
JPS5437196A (en) * 1977-08-29 1979-03-19 Teijin Ltd Preparation of polyester

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS53130796A (en) * 1977-04-20 1978-11-15 Toyobo Co Ltd Preparation of polyester
JPS5437196A (en) * 1977-08-29 1979-03-19 Teijin Ltd Preparation of polyester

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61255857A (en) * 1985-05-10 1986-11-13 帝人株式会社 Multilayer oriented polyester bottle
JPH0124629B2 (en) * 1985-05-10 1989-05-12 Teijin Ltd

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