JPH032893B2 - - Google Patents

Info

Publication number
JPH032893B2
JPH032893B2 JP56088734A JP8873481A JPH032893B2 JP H032893 B2 JPH032893 B2 JP H032893B2 JP 56088734 A JP56088734 A JP 56088734A JP 8873481 A JP8873481 A JP 8873481A JP H032893 B2 JPH032893 B2 JP H032893B2
Authority
JP
Japan
Prior art keywords
stretching
film
polyolefin resin
filler
saturated hydrocarbon
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.)
Expired - Lifetime
Application number
JP56088734A
Other languages
English (en)
Japanese (ja)
Other versions
JPS57203520A (en
Inventor
Yukio Watanabe
Kunio Bizen
Masahiro Morita
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 Chemical Corp
Original Assignee
Mitsubishi Chemical Industries 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 Chemical Industries Ltd filed Critical Mitsubishi Chemical Industries Ltd
Priority to JP8873481A priority Critical patent/JPS57203520A/ja
Priority to EP82101589A priority patent/EP0066672B1/en
Priority to DE8282101589T priority patent/DE3277120D1/de
Priority to US06/353,990 priority patent/US4472328A/en
Publication of JPS57203520A publication Critical patent/JPS57203520A/ja
Publication of JPH032893B2 publication Critical patent/JPH032893B2/ja
Granted legal-status Critical Current

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
    • B29C67/00—Shaping techniques not covered by groups B29C39/00 - B29C65/00, B29C70/00 or B29C73/00
    • B29C67/20—Shaping techniques not covered by groups B29C39/00 - B29C65/00, B29C70/00 or B29C73/00 for porous or cellular articles, e.g. of foam plastics, coarse-pored

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
JP8873481A 1981-06-09 1981-06-09 Manufacture of porous film or sheet Granted JPS57203520A (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
JP8873481A JPS57203520A (en) 1981-06-09 1981-06-09 Manufacture of porous film or sheet
EP82101589A EP0066672B1 (en) 1981-06-09 1982-03-02 Process for producing porous film or sheet
DE8282101589T DE3277120D1 (en) 1981-06-09 1982-03-02 Process for producing porous film or sheet
US06/353,990 US4472328A (en) 1981-06-09 1982-03-02 Process for producing porous film or sheet

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP8873481A JPS57203520A (en) 1981-06-09 1981-06-09 Manufacture of porous film or sheet

Publications (2)

Publication Number Publication Date
JPS57203520A JPS57203520A (en) 1982-12-13
JPH032893B2 true JPH032893B2 (enrdf_load_stackoverflow) 1991-01-17

Family

ID=13951145

Family Applications (1)

Application Number Title Priority Date Filing Date
JP8873481A Granted JPS57203520A (en) 1981-06-09 1981-06-09 Manufacture of porous film or sheet

Country Status (1)

Country Link
JP (1) JPS57203520A (enrdf_load_stackoverflow)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4698372A (en) * 1985-09-09 1987-10-06 E. I. Du Pont De Nemours And Company Microporous polymeric films and process for their manufacture
JPH0531993Y2 (enrdf_load_stackoverflow) * 1985-12-17 1993-08-17
JPH075778B2 (ja) * 1986-07-09 1995-01-25 日東電工株式会社 熱処理部を有する方向性多孔質フィルム
FI97300C (fi) * 1987-08-27 1996-11-25 Mitsubishi Chemical Mkv Compan Huokoinen kalvo sekä imukykyiset saniteettituotteet
US5948557A (en) * 1996-10-18 1999-09-07 Ppg Industries, Inc. Very thin microporous material
AU2005235863A1 (en) 2004-04-22 2005-11-03 Toray Industries, Inc. Microporous polypropylene film and process for producing the same
WO2007046226A1 (ja) 2005-10-18 2007-04-26 Toray Industries, Inc. 蓄電デバイスセパレータ用微多孔フィルムおよびそれを用いた蓄電デバイスセパレータ
JP5736777B2 (ja) 2009-03-17 2015-06-17 東レ株式会社 多孔性ポリプロピレンフィルムおよびその製造方法
KR101661006B1 (ko) 2009-10-07 2016-09-28 도레이 카부시키가이샤 다공성 폴리프로필렌 필름 롤
JP6755726B2 (ja) * 2016-06-21 2020-09-16 住友化学株式会社 積層体

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS592687B2 (ja) * 1976-12-28 1984-01-20 旭化成株式会社 テ−プ状加工物及びそれを用いた編網又は製織加工物

Also Published As

Publication number Publication date
JPS57203520A (en) 1982-12-13

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