JPS649244A - Polyester film containing microcell - Google Patents

Polyester film containing microcell

Info

Publication number
JPS649244A
JPS649244A JP16316887A JP16316887A JPS649244A JP S649244 A JPS649244 A JP S649244A JP 16316887 A JP16316887 A JP 16316887A JP 16316887 A JP16316887 A JP 16316887A JP S649244 A JPS649244 A JP S649244A
Authority
JP
Japan
Prior art keywords
film
polyester
corona discharge
discharge treatment
apparent specific
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
JP16316887A
Other languages
Japanese (ja)
Other versions
JPH0764943B2 (en
Inventor
Satoshi Otonari
Yoshiki Sato
Naruhiro Masuda
Satoyuki Kotani
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.)
Diafoil Co Ltd
Original Assignee
Diafoil 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 Diafoil Co Ltd filed Critical Diafoil Co Ltd
Priority to JP62163168A priority Critical patent/JPH0764943B2/en
Publication of JPS649244A publication Critical patent/JPS649244A/en
Publication of JPH0764943B2 publication Critical patent/JPH0764943B2/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Landscapes

  • Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
  • Shaping By String And By Release Of Stress In Plastics And The Like (AREA)
  • Manufacture Of Macromolecular Shaped Articles (AREA)
  • Treatments Of Macromolecular Shaped Articles (AREA)

Abstract

PURPOSE:To obtain the title film decreased in an apparent specific gravity and excelling in whiteness, hiding power, adhesion, etc., by subjecting a film obtained by at least uniaxially orienting a sheet comprising a polyester and a specified PP to corona discharge treatment. CONSTITUTION:A substantially amorphous sheet obtained by mixing a polyester (A) of an intrinsic viscosity >=0.4, containing at least 70mol.% at least one member selected from an ethylene terephthalate unit, an ethylene-2,6-naphthalate unit and a butylene terephthalate unit with 3-20wt.% crystalline PP (B) of an MFI of 0.2-120 and melt-extruding the mixture is oriented at least uniaxially at an area draw ratio >=4 to obtain an at least unidirectionally oriented film having innumerable fine closed cells on the surface and in the inside, an apparent specific density of 0.4-1.3 and a hiding power >=0.2. At least either surface of this film is subjected to corona discharge treatment.
JP62163168A 1987-06-30 1987-06-30 Polyester film containing fine bubbles Expired - Fee Related JPH0764943B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP62163168A JPH0764943B2 (en) 1987-06-30 1987-06-30 Polyester film containing fine bubbles

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP62163168A JPH0764943B2 (en) 1987-06-30 1987-06-30 Polyester film containing fine bubbles

Publications (2)

Publication Number Publication Date
JPS649244A true JPS649244A (en) 1989-01-12
JPH0764943B2 JPH0764943B2 (en) 1995-07-12

Family

ID=15768529

Family Applications (1)

Application Number Title Priority Date Filing Date
JP62163168A Expired - Fee Related JPH0764943B2 (en) 1987-06-30 1987-06-30 Polyester film containing fine bubbles

Country Status (1)

Country Link
JP (1) JPH0764943B2 (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5362763A (en) * 1991-12-16 1994-11-08 M. & G. Ricerche S.P.A. Foamed cellular polyester resins and process for their preparation
JPWO2018034294A1 (en) * 2016-08-18 2019-02-14 富士フイルム株式会社 Polyester film and method for producing polyester film

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS49134755A (en) * 1972-10-24 1974-12-25
JPS5118462A (en) * 1974-08-07 1976-02-14 Tokyo Shibaura Electric Co GEETOTAANOFUSAIRISUTANO KUDOSEIGYO SOCHI
JPS53101068A (en) * 1977-02-15 1978-09-04 Toray Ind Inc Polyester film
JPS5418872A (en) * 1977-07-13 1979-02-13 Toray Ind Inc Polyester film
JPS5821430A (en) * 1981-07-31 1983-02-08 Toyobo Co Ltd Polyester film having improved printability

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS49134755A (en) * 1972-10-24 1974-12-25
JPS5118462A (en) * 1974-08-07 1976-02-14 Tokyo Shibaura Electric Co GEETOTAANOFUSAIRISUTANO KUDOSEIGYO SOCHI
JPS53101068A (en) * 1977-02-15 1978-09-04 Toray Ind Inc Polyester film
JPS5418872A (en) * 1977-07-13 1979-02-13 Toray Ind Inc Polyester film
JPS5821430A (en) * 1981-07-31 1983-02-08 Toyobo Co Ltd Polyester film having improved printability

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5362763A (en) * 1991-12-16 1994-11-08 M. & G. Ricerche S.P.A. Foamed cellular polyester resins and process for their preparation
EP0866089A1 (en) * 1991-12-16 1998-09-23 SINCO RICERCHE S.p.A. Foamed cellular polyester resins and process for their preparation
JPWO2018034294A1 (en) * 2016-08-18 2019-02-14 富士フイルム株式会社 Polyester film and method for producing polyester film
US10850547B2 (en) 2016-08-18 2020-12-01 Fujifilm Corporation Polyester film and method of manufacturing polyester film

Also Published As

Publication number Publication date
JPH0764943B2 (en) 1995-07-12

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