CA955715A - Production of novel open-celled microporous film - Google Patents

Production of novel open-celled microporous film

Info

Publication number
CA955715A
CA955715A CA097,291A CA97291A CA955715A CA 955715 A CA955715 A CA 955715A CA 97291 A CA97291 A CA 97291A CA 955715 A CA955715 A CA 955715A
Authority
CA
Canada
Prior art keywords
production
microporous film
novel open
celled microporous
celled
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
Application number
CA097,291A
Other languages
English (en)
Other versions
CA97291S (en
Inventor
Daniel D. Zimmerman
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.)
Celanese Corp
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 CA955715A publication Critical patent/CA955715A/en
Expired 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
    • 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
    • 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
    • B29C55/023—Shaping by stretching, e.g. drawing through a die; Apparatus therefor of plates or sheets using multilayered plates or sheets
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
    • B29D7/00—Producing flat articles, e.g. films or sheets
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2023/00—Tubular articles
    • B29L2023/001—Tubular films, sleeves

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Shaping By String And By Release Of Stress In Plastics And The Like (AREA)
  • Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
CA097,291A 1969-11-13 1970-11-03 Production of novel open-celled microporous film Expired CA955715A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US87642569A 1969-11-13 1969-11-13

Publications (1)

Publication Number Publication Date
CA955715A true CA955715A (en) 1974-10-08

Family

ID=25367679

Family Applications (1)

Application Number Title Priority Date Filing Date
CA097,291A Expired CA955715A (en) 1969-11-13 1970-11-03 Production of novel open-celled microporous film

Country Status (13)

Country Link
US (1) US3801692A (fr)
JP (1) JPS502176B1 (fr)
BE (1) BE758820A (fr)
CA (1) CA955715A (fr)
CH (1) CH527249A (fr)
DE (1) DE2055369A1 (fr)
ES (1) ES385480A1 (fr)
FR (1) FR2069229A5 (fr)
GB (1) GB1287504A (fr)
NL (1) NL7016419A (fr)
NO (1) NO133063C (fr)
SE (2) SE397063B (fr)
ZA (1) ZA707454B (fr)

Families Citing this family (35)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1476791A (en) * 1973-06-11 1977-06-16 Matsushita Electric Ind Co Ltd Process for producing porous polymer film
US4138459A (en) * 1975-09-08 1979-02-06 Celanese Corporation Process for preparing a microporous polymer film
US4530809A (en) * 1980-10-14 1985-07-23 Mitsubishi Rayon Co., Ltd. Process for making microporous polyethylene hollow fibers
US4559938A (en) * 1981-08-12 1985-12-24 Smith And Nephew Associated Companies P.L.C. Adhesive dressing and components
GB8302639D0 (en) * 1982-02-17 1983-03-02 Ici Plc Installation of ion-exchange in electrolytic cell
MX162011A (es) * 1982-02-17 1991-03-20 Ici Plc Instalacion de una membrana de intercambio de iones,en una celda electrolitica
GB8302640D0 (en) * 1982-02-17 1983-03-02 Ici Plc Production of ion-exchange membrane
JPS61146308A (ja) * 1984-12-21 1986-07-04 Ube Ind Ltd 多孔質ポリプロピレン中空糸又はフイルムの製造法
US4620956A (en) * 1985-07-19 1986-11-04 Celanese Corporation Process for preparing microporous polyethylene film by uniaxial cold and hot stretching
US4833172A (en) * 1987-04-24 1989-05-23 Ppg Industries, Inc. Stretched microporous material
US4861644A (en) * 1987-04-24 1989-08-29 Ppg Industries, Inc. Printed microporous material
US5013439A (en) * 1988-05-12 1991-05-07 Hoechst Celanese Corporation Microporous membranes having increased pore densities and process for making the same
US4994335A (en) * 1988-09-10 1991-02-19 Ube Industries, Ltd. Microporous film, battery separator employing the same, and method of producing them
US5173235A (en) * 1988-09-10 1992-12-22 Ube Industries, Ltd. Method of producing microporous film
CA2007160C (fr) * 1989-01-09 1997-08-19 Gunilla E. Gillberg-Laforce Membrane microporeuse obtenue a partir de pellicules precurseurs laminees a froid
JP2628788B2 (ja) * 1990-08-09 1997-07-09 宇部興産株式会社 微多孔性膜の製造方法及びその方法で製造される耐溶断性微多孔性膜
US5935370A (en) * 1991-10-18 1999-08-10 #M Innovative Properties Company Minnesota Mining And Manufacturing Co. Method for laminating a viral barrier microporous membrane to a nonwoven web to prevent transmission of viral pathogens
US5690949A (en) * 1991-10-18 1997-11-25 Minnesota Mining And Manufacturing Company Microporous membrane material for preventing transmission of viral pathogens
NL9101876A (nl) * 1991-11-11 1993-06-01 Dsm Nv Werkwijze voor het vervaardigen van een stoomsteriliseerbaar poreus polyolefinemembraan en bij 134 graden celsius stoomsteriliseerbaar polyetheenmembraan.
US5565281A (en) * 1994-12-02 1996-10-15 Hoechst Celanese Corporation Shutdown, bilayer battery separator
TW297171B (fr) 1994-12-20 1997-02-01 Hoechst Celanese Corp
US5682618A (en) * 1995-04-03 1997-11-04 Minnesota Mining And Manufacturing Company Viral resistant seam for protective apparel, and method of manufacturing same
US5786058A (en) * 1995-04-03 1998-07-28 Minnesota Mining & Mfg Thermally bonded viral barrier composite
US5976220A (en) 1996-12-09 1999-11-02 3M Innovative Properties Company Diffusional gas transfer system and method using same
KR19990040319A (ko) 1997-11-17 1999-06-05 성재갑 고분자 표면의 이온 입자 조사에 의한 미세 기공 막의 제조
EP1165207A1 (fr) * 2000-01-10 2002-01-02 LG Chemical Co. Ltd Membrane microporeuse de polypropylene hautement cristallin, membrane microporeuse a composants multiples et leurs procedes de preparation
US6432586B1 (en) 2000-04-10 2002-08-13 Celgard Inc. Separator for a high energy rechargeable lithium battery
WO2002026489A1 (fr) 2000-09-26 2002-04-04 Clemson University Procede de melange chaotique et materiaux structures obtenus a partir de ce melange
US6878226B2 (en) * 2002-01-08 2005-04-12 Wei-Ching Yu Continuous methods of making microporous battery separators
US7182894B2 (en) * 2004-03-12 2007-02-27 Council Of Scientific & Industrial Research Process for the preparation of free standing membranes
RU2016120727A (ru) * 2009-04-09 2018-11-12 Алкермес Фарма Айэленд Лимитед Композиция для доставки лекарственных средств
KR100928898B1 (ko) * 2009-04-17 2009-11-30 (주)씨에스텍 미세다공성 고분자 분리막의 제조방법 및 상기 방법으로 제조된 미세다공성 고분자 분리막
US20110039468A1 (en) * 2009-08-12 2011-02-17 Baldwin Jr Alfred Frank Protective apparel having breathable film layer
CN109037562A (zh) 2012-09-20 2018-12-18 赛尔格有限责任公司 薄电池隔板和方法
JP6351358B2 (ja) * 2014-05-07 2018-07-04 三菱エンジニアリングプラスチックス株式会社 多孔フィルムの製造方法

Also Published As

Publication number Publication date
DE2055369A1 (de) 1971-06-24
NO133063C (fr) 1976-03-03
GB1287504A (en) 1972-08-31
US3801692A (en) 1974-04-02
SE7611603L (sv) 1976-10-19
SE397063B (sv) 1977-10-17
BE758820A (fr) 1971-05-12
NL7016419A (fr) 1971-05-17
FR2069229A5 (fr) 1971-09-03
NO133063B (fr) 1975-11-24
CH527249A (fr) 1972-08-31
JPS502176B1 (fr) 1975-01-24
ES385480A1 (es) 1973-11-01
ZA707454B (en) 1972-06-28

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