NO133063B - - Google Patents
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- Publication number
- NO133063B NO133063B NO4319/70A NO431970A NO133063B NO 133063 B NO133063 B NO 133063B NO 4319/70 A NO4319/70 A NO 4319/70A NO 431970 A NO431970 A NO 431970A NO 133063 B NO133063 B NO 133063B
- Authority
- NO
- Norway
- Prior art keywords
- film
- stretching
- stretched
- approx
- polypropylene
- Prior art date
Links
- 238000000034 method Methods 0.000 claims description 23
- -1 polyethylene Polymers 0.000 claims description 23
- 239000004743 Polypropylene Substances 0.000 claims description 15
- 229920001155 polypropylene Polymers 0.000 claims description 15
- 239000011148 porous material Substances 0.000 claims description 15
- 239000004698 Polyethylene Substances 0.000 claims description 8
- 229920000573 polyethylene Polymers 0.000 claims description 8
- 238000004519 manufacturing process Methods 0.000 claims description 5
- 229920006254 polymer film Polymers 0.000 claims description 2
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 22
- 238000010622 cold drawing Methods 0.000 description 11
- 229910052757 nitrogen Inorganic materials 0.000 description 11
- 238000001125 extrusion Methods 0.000 description 10
- 238000002844 melting Methods 0.000 description 7
- 230000008018 melting Effects 0.000 description 7
- 238000011084 recovery Methods 0.000 description 7
- 229920000642 polymer Polymers 0.000 description 6
- 238000004804 winding Methods 0.000 description 6
- 238000010438 heat treatment Methods 0.000 description 5
- 239000000155 melt Substances 0.000 description 5
- 238000011282 treatment Methods 0.000 description 5
- 230000002093 peripheral effect Effects 0.000 description 4
- 229920001971 elastomer Polymers 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 description 3
- 229910052753 mercury Inorganic materials 0.000 description 3
- 230000035699 permeability Effects 0.000 description 3
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 2
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000005336 cracking Methods 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000000806 elastomer Substances 0.000 description 2
- 230000000877 morphologic effect Effects 0.000 description 2
- 239000011347 resin Substances 0.000 description 2
- 229920005989 resin Polymers 0.000 description 2
- 244000043261 Hevea brasiliensis Species 0.000 description 1
- 229910052786 argon Inorganic materials 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 239000002826 coolant Substances 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000001493 electron microscopy Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 239000001307 helium Substances 0.000 description 1
- 229910052734 helium Inorganic materials 0.000 description 1
- SWQJXJOGLNCZEY-UHFFFAOYSA-N helium atom Chemical compound [He] SWQJXJOGLNCZEY-UHFFFAOYSA-N 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 229920003052 natural elastomer Polymers 0.000 description 1
- 229920001194 natural rubber Polymers 0.000 description 1
- 230000037361 pathway Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 239000002861 polymer material Substances 0.000 description 1
- 238000010791 quenching Methods 0.000 description 1
- 239000005060 rubber Substances 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 229920003051 synthetic elastomer Polymers 0.000 description 1
- 239000005061 synthetic rubber Substances 0.000 description 1
- 239000011800 void material Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US87642569A | 1969-11-13 | 1969-11-13 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| NO133063B true NO133063B (fr) | 1975-11-24 |
| NO133063C NO133063C (fr) | 1976-03-03 |
Family
ID=25367679
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NO4319/70A NO133063C (fr) | 1969-11-13 | 1970-11-12 |
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)
| 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 |
-
0
- BE BE758820D patent/BE758820A/fr unknown
-
1969
- 1969-11-13 US US00876425A patent/US3801692A/en not_active Expired - Lifetime
-
1970
- 1970-11-03 CA CA097,291A patent/CA955715A/en not_active Expired
- 1970-11-03 ZA ZA707454A patent/ZA707454B/xx unknown
- 1970-11-10 FR FR7040391A patent/FR2069229A5/fr not_active Expired
- 1970-11-10 NL NL7016419A patent/NL7016419A/xx unknown
- 1970-11-11 DE DE19702055369 patent/DE2055369A1/de active Pending
- 1970-11-12 CH CH1677270A patent/CH527249A/fr not_active IP Right Cessation
- 1970-11-12 ES ES385480A patent/ES385480A1/es not_active Expired
- 1970-11-12 NO NO4319/70A patent/NO133063C/no unknown
- 1970-11-13 JP JP45099805A patent/JPS502176B1/ja active Pending
- 1970-11-13 GB GB54056/70A patent/GB1287504A/en not_active Expired
- 1970-11-13 SE SE7015381A patent/SE397063B/xx unknown
-
1976
- 1976-10-19 SE SE7611603A patent/SE7611603L/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| DE2055369A1 (de) | 1971-06-24 |
| CA955715A (en) | 1974-10-08 |
| 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 |
| CH527249A (fr) | 1972-08-31 |
| JPS502176B1 (fr) | 1975-01-24 |
| ES385480A1 (es) | 1973-11-01 |
| ZA707454B (en) | 1972-06-28 |
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