JPS559851A - Polyester film for drawing, plate making - Google Patents

Polyester film for drawing, plate making

Info

Publication number
JPS559851A
JPS559851A JP8265378A JP8265378A JPS559851A JP S559851 A JPS559851 A JP S559851A JP 8265378 A JP8265378 A JP 8265378A JP 8265378 A JP8265378 A JP 8265378A JP S559851 A JPS559851 A JP S559851A
Authority
JP
Japan
Prior art keywords
film
particles
projections
pimple
free
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
JP8265378A
Other languages
Japanese (ja)
Other versions
JPS5818222B2 (en
Inventor
Koji Hayatsu
Takuo Nakahara
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 JP53082653A priority Critical patent/JPS5818222B2/en
Publication of JPS559851A publication Critical patent/JPS559851A/en
Publication of JPS5818222B2 publication Critical patent/JPS5818222B2/en
Expired legal-status Critical Current

Links

Landscapes

  • Preparing Plates And Mask In Photomechanical Process (AREA)
  • Manufacture Of Macromolecular Shaped Articles (AREA)
  • Shaping By String And By Release Of Stress In Plastics And The Like (AREA)

Abstract

PURPOSE: To obtain a film, which is free from pimple-like projections or whose pimple-like projections are well controlled if not free and clear and easy to be handled, by using special particles and appropriately adjusting amount of addition of the particles and surface projections to be formed thereby.
CONSTITUTION: Particles of an inactive substance are mixed into 2-axis arrangement polyester film whose thickness is less than 30μ and more than 200μ, and they are uniformly dispersed and distributed. The particles are to be those which have affinity with polyester and are hard to form voids in the expansion process, and therefore, are to be external addition type particles to that surface projetions on a film can be accurately controlled when an expansion film was used. Film's inside is 2% or less in terms of thickness of 25μ, and number of projections (pc/mm2) on a film surface measured by multiple interference method with a measurement wave of 0.54μ are within ranges of 25W130 for the secondary interference stripe, 5W30 for the third interference stripe and 1W15 for the fourth interference stripe, respectively.
COPYRIGHT: (C)1980,JPO&Japio
JP53082653A 1978-07-07 1978-07-07 Polyester film for plate making and drafting Expired JPS5818222B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP53082653A JPS5818222B2 (en) 1978-07-07 1978-07-07 Polyester film for plate making and drafting

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP53082653A JPS5818222B2 (en) 1978-07-07 1978-07-07 Polyester film for plate making and drafting

Publications (2)

Publication Number Publication Date
JPS559851A true JPS559851A (en) 1980-01-24
JPS5818222B2 JPS5818222B2 (en) 1983-04-12

Family

ID=13780378

Family Applications (1)

Application Number Title Priority Date Filing Date
JP53082653A Expired JPS5818222B2 (en) 1978-07-07 1978-07-07 Polyester film for plate making and drafting

Country Status (1)

Country Link
JP (1) JPS5818222B2 (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS56166065A (en) * 1980-03-12 1981-12-19 Ici Ltd Polyester composite film and its manufacture
JPS5766936A (en) * 1980-10-15 1982-04-23 Teijin Ltd Polyester film
JPS57167216A (en) * 1981-04-09 1982-10-15 Teijin Ltd Polyester film
JPS57167215A (en) * 1981-04-09 1982-10-15 Teijin Ltd Manufacture of polyester film
JPS63153759U (en) * 1987-03-25 1988-10-07

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4841700A (en) * 1971-09-24 1973-06-18
JPS4972370A (en) * 1972-11-10 1974-07-12
JPS50109715A (en) * 1974-02-04 1975-08-29

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4841700A (en) * 1971-09-24 1973-06-18
JPS4972370A (en) * 1972-11-10 1974-07-12
JPS50109715A (en) * 1974-02-04 1975-08-29

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS56166065A (en) * 1980-03-12 1981-12-19 Ici Ltd Polyester composite film and its manufacture
JPS6122631B2 (en) * 1980-03-12 1986-06-02 Ici Plc
JPS5766936A (en) * 1980-10-15 1982-04-23 Teijin Ltd Polyester film
JPS6351090B2 (en) * 1980-10-15 1988-10-12 Teijin Ltd
JPS57167216A (en) * 1981-04-09 1982-10-15 Teijin Ltd Polyester film
JPS57167215A (en) * 1981-04-09 1982-10-15 Teijin Ltd Manufacture of polyester film
JPS6351091B2 (en) * 1981-04-09 1988-10-12 Teijin Ltd
JPS6364289B2 (en) * 1981-04-09 1988-12-12
JPS63153759U (en) * 1987-03-25 1988-10-07

Also Published As

Publication number Publication date
JPS5818222B2 (en) 1983-04-12

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