IT1065128B - Procedimento per la preparazione di una pellicola polimera microporosa a celle aperte - Google Patents

Procedimento per la preparazione di una pellicola polimera microporosa a celle aperte

Info

Publication number
IT1065128B
IT1065128B IT26933/76A IT2693376A IT1065128B IT 1065128 B IT1065128 B IT 1065128B IT 26933/76 A IT26933/76 A IT 26933/76A IT 2693376 A IT2693376 A IT 2693376A IT 1065128 B IT1065128 B IT 1065128B
Authority
IT
Italy
Prior art keywords
procedure
preparation
open
polymer film
microporous polymer
Prior art date
Application number
IT26933/76A
Other languages
English (en)
Original Assignee
Celanese Corp
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 Celanese Corp filed Critical Celanese Corp
Application granted granted Critical
Publication of IT1065128B publication Critical patent/IT1065128B/it

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C55/00—Shaping by stretching, e.g. drawing through a die; Apparatus therefor
    • B29C55/02—Shaping by stretching, e.g. drawing through a die; Apparatus therefor of plates or sheets
    • B29C55/04—Shaping by stretching, e.g. drawing through a die; Apparatus therefor of plates or sheets uniaxial, e.g. oblique
    • B29C55/06—Shaping by stretching, e.g. drawing through a die; Apparatus therefor of plates or sheets uniaxial, e.g. oblique parallel with the direction of feed
    • B29C55/065—Shaping by stretching, e.g. drawing through a die; Apparatus therefor of plates or sheets uniaxial, e.g. oblique parallel with the direction of feed in several stretching steps
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S264/00—Plastic and nonmetallic article shaping or treating: processes
    • Y10S264/47—Processes of splitting film, webs or sheets

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
  • Filtering Materials (AREA)
  • Shaping By String And By Release Of Stress In Plastics And The Like (AREA)
  • Molding Of Porous Articles (AREA)
IT26933/76A 1975-09-08 1976-09-07 Procedimento per la preparazione di una pellicola polimera microporosa a celle aperte IT1065128B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/611,300 US4138459A (en) 1975-09-08 1975-09-08 Process for preparing a microporous polymer film

Publications (1)

Publication Number Publication Date
IT1065128B true IT1065128B (it) 1985-02-25

Family

ID=24448482

Family Applications (1)

Application Number Title Priority Date Filing Date
IT26933/76A IT1065128B (it) 1975-09-08 1976-09-07 Procedimento per la preparazione di una pellicola polimera microporosa a celle aperte

Country Status (9)

Country Link
US (1) US4138459A (it)
JP (1) JPS5936575B2 (it)
BE (1) BE845844A (it)
CA (1) CA1078118A (it)
DE (1) DE2638582A1 (it)
FR (1) FR2322716A1 (it)
GB (1) GB1550396A (it)
IT (1) IT1065128B (it)
NL (1) NL190449C (it)

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JP7530370B2 (ja) 2018-10-08 2024-08-07 イーストマン ケミカル カンパニー 樹脂混合物製の結晶化可能な収縮性フィルムおよび熱成形性シート
CN114729113B (zh) 2019-10-08 2025-03-18 伊士曼化工公司 用于可结晶反应器级树脂的催化剂体系
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US20220348715A1 (en) 2019-10-25 2022-11-03 Eastman Chemical Company Copolyesters produced from recycled copolyesters
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Also Published As

Publication number Publication date
DE2638582A1 (de) 1977-03-10
JPS5232976A (en) 1977-03-12
JPS5936575B2 (ja) 1984-09-04
GB1550396A (en) 1979-08-15
NL190449B (nl) 1993-10-01
FR2322716A1 (fr) 1977-04-01
NL7609945A (nl) 1977-03-10
US4138459A (en) 1979-02-06
NL190449C (nl) 1994-03-01
BE845844A (fr) 1977-03-03
CA1078118A (en) 1980-05-27

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