JPS56147845A - Polyester resin composition and its production - Google Patents

Polyester resin composition and its production

Info

Publication number
JPS56147845A
JPS56147845A JP5203080A JP5203080A JPS56147845A JP S56147845 A JPS56147845 A JP S56147845A JP 5203080 A JP5203080 A JP 5203080A JP 5203080 A JP5203080 A JP 5203080A JP S56147845 A JPS56147845 A JP S56147845A
Authority
JP
Japan
Prior art keywords
fibers
less
length
composition
polyester resin
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
JP5203080A
Other languages
Japanese (ja)
Inventor
Nori Yoshihara
Shigeo Kobayashi
Kiyoji Nanbu
Yukio Goto
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.)
Toyobo Co Ltd
Original Assignee
Toyobo 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 Toyobo Co Ltd filed Critical Toyobo Co Ltd
Priority to JP5203080A priority Critical patent/JPS56147845A/en
Publication of JPS56147845A publication Critical patent/JPS56147845A/en
Pending legal-status Critical Current

Links

Landscapes

  • Cultivation Receptacles Or Flower-Pots, Or Pots For Seedlings (AREA)
  • Compositions Of Macromolecular Compounds (AREA)

Abstract

PURPOSE: A fiber glass with a specific fiber-length distribution is included in polyethyene terephthalate to produce a composition giving moldings with high mechanical properties, especially high tenacity and reduced warpage.
CONSTITUTION: A polyester resin containing more than 80mol% of ethylene terephthalate recurring units and a fiberglass bundle with a cut length of more than 2mm, fiber diameter of less than 12μ and filament count of 150W1,000 are melt kneaded using a kneader with the space cross section less than 1/3 that of the feeding part and the length more than 50mm to produce the composition in which the fraction of less than 0.1mm long fibers is less than 15wt% on the basis of the total amount of the fibers, longer than 0.4mm fibers are (55W0.77x) where x is the percentage of the fiberglass added based on the total composition and fibers of more than 15 in average length/fiber diameter are 8W60wt%.
COPYRIGHT: (C)1981,JPO&Japio
JP5203080A 1980-04-18 1980-04-18 Polyester resin composition and its production Pending JPS56147845A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP5203080A JPS56147845A (en) 1980-04-18 1980-04-18 Polyester resin composition and its production

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP5203080A JPS56147845A (en) 1980-04-18 1980-04-18 Polyester resin composition and its production

Publications (1)

Publication Number Publication Date
JPS56147845A true JPS56147845A (en) 1981-11-17

Family

ID=12903407

Family Applications (1)

Application Number Title Priority Date Filing Date
JP5203080A Pending JPS56147845A (en) 1980-04-18 1980-04-18 Polyester resin composition and its production

Country Status (1)

Country Link
JP (1) JPS56147845A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61148257A (en) * 1984-12-21 1986-07-05 Idemitsu Petrochem Co Ltd Resin composition
EP0685520A1 (en) * 1994-06-03 1995-12-06 Basf Aktiengesellschaft Fiber-reinforced plastic material and method for its preparation
US5840798A (en) * 1997-06-06 1998-11-24 General Electric Company Glass filled polyester molding composition

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4884138A (en) * 1972-02-14 1973-11-08
JPS5055655A (en) * 1973-09-13 1975-05-15
JPS5144160A (en) * 1974-10-14 1976-04-15 Mitsubishi Rayon Co KYOKAJUSHI SEIBUTSU
JPS5586835A (en) * 1978-12-23 1980-07-01 Toyobo Co Ltd Polyester resin composition

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4884138A (en) * 1972-02-14 1973-11-08
JPS5055655A (en) * 1973-09-13 1975-05-15
JPS5144160A (en) * 1974-10-14 1976-04-15 Mitsubishi Rayon Co KYOKAJUSHI SEIBUTSU
JPS5586835A (en) * 1978-12-23 1980-07-01 Toyobo Co Ltd Polyester resin composition

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61148257A (en) * 1984-12-21 1986-07-05 Idemitsu Petrochem Co Ltd Resin composition
EP0685520A1 (en) * 1994-06-03 1995-12-06 Basf Aktiengesellschaft Fiber-reinforced plastic material and method for its preparation
US5840798A (en) * 1997-06-06 1998-11-24 General Electric Company Glass filled polyester molding composition

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