JPH0211620B2 - - Google Patents
Info
- Publication number
- JPH0211620B2 JPH0211620B2 JP20918184A JP20918184A JPH0211620B2 JP H0211620 B2 JPH0211620 B2 JP H0211620B2 JP 20918184 A JP20918184 A JP 20918184A JP 20918184 A JP20918184 A JP 20918184A JP H0211620 B2 JPH0211620 B2 JP H0211620B2
- Authority
- JP
- Japan
- Prior art keywords
- film
- thermoplastic resin
- stretching
- temperature
- polypropylene
- 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
Links
- -1 polypropylene Polymers 0.000 claims description 113
- 239000004743 Polypropylene Substances 0.000 claims description 109
- 229920001155 polypropylene Polymers 0.000 claims description 109
- 229920005992 thermoplastic resin Polymers 0.000 claims description 94
- 238000000034 method Methods 0.000 claims description 53
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 52
- 239000011148 porous material Substances 0.000 claims description 52
- 229910052757 nitrogen Inorganic materials 0.000 claims description 27
- 238000004519 manufacturing process Methods 0.000 claims description 24
- 230000008569 process Effects 0.000 claims description 24
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 claims description 14
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims description 12
- 238000009835 boiling Methods 0.000 claims description 11
- 229910052786 argon Inorganic materials 0.000 claims description 7
- 238000007710 freezing Methods 0.000 claims description 7
- 230000008014 freezing Effects 0.000 claims description 7
- 238000002844 melting Methods 0.000 claims description 7
- 230000008018 melting Effects 0.000 claims description 7
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims description 6
- OTMSDBZUPAUEDD-UHFFFAOYSA-N Ethane Chemical compound CC OTMSDBZUPAUEDD-UHFFFAOYSA-N 0.000 claims description 6
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 6
- 229910002091 carbon monoxide Inorganic materials 0.000 claims description 6
- 239000001301 oxygen Substances 0.000 claims description 6
- 229910052760 oxygen Inorganic materials 0.000 claims description 6
- 238000001816 cooling Methods 0.000 claims description 3
- 238000011084 recovery Methods 0.000 description 36
- 238000009998 heat setting Methods 0.000 description 26
- 238000000465 moulding Methods 0.000 description 25
- 239000007788 liquid Substances 0.000 description 24
- 229920005989 resin Polymers 0.000 description 19
- 239000011347 resin Substances 0.000 description 19
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 17
- 238000010438 heat treatment Methods 0.000 description 15
- 230000035699 permeability Effects 0.000 description 15
- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 description 12
- 229910052753 mercury Inorganic materials 0.000 description 12
- 238000011282 treatment Methods 0.000 description 8
- 230000000052 comparative effect Effects 0.000 description 7
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 description 5
- 239000005977 Ethylene Substances 0.000 description 5
- 229920001903 high density polyethylene Polymers 0.000 description 5
- 239000004700 high-density polyethylene Substances 0.000 description 5
- 239000000463 material Substances 0.000 description 5
- 229920000642 polymer Polymers 0.000 description 5
- QQONPFPTGQHPMA-UHFFFAOYSA-N propylene Natural products CC=C QQONPFPTGQHPMA-UHFFFAOYSA-N 0.000 description 5
- 125000004805 propylene group Chemical group [H]C([H])([H])C([H])([*:1])C([H])([H])[*:2] 0.000 description 5
- 238000000926 separation method Methods 0.000 description 5
- 239000002033 PVDF binder Substances 0.000 description 4
- 150000001875 compounds Chemical class 0.000 description 4
- 238000007796 conventional method Methods 0.000 description 4
- 229920001577 copolymer Polymers 0.000 description 4
- 239000012528 membrane Substances 0.000 description 4
- 239000000178 monomer Substances 0.000 description 4
- 229920000306 polymethylpentene Polymers 0.000 description 4
- 229920002981 polyvinylidene fluoride Polymers 0.000 description 4
- 239000000126 substance Substances 0.000 description 4
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 3
- 229910052731 fluorine Inorganic materials 0.000 description 3
- 239000011737 fluorine Substances 0.000 description 3
- 239000002861 polymer material Substances 0.000 description 3
- 229920001400 block copolymer Polymers 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 229920001519 homopolymer Polymers 0.000 description 2
- QJGQUHMNIGDVPM-UHFFFAOYSA-N nitrogen group Chemical group [N] QJGQUHMNIGDVPM-UHFFFAOYSA-N 0.000 description 2
- 229920000098 polyolefin Polymers 0.000 description 2
- 229920001169 thermoplastic Polymers 0.000 description 2
- 239000004416 thermosoftening plastic Substances 0.000 description 2
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 1
- KRHYYFGTRYWZRS-UHFFFAOYSA-M Fluoride anion Chemical compound [F-] KRHYYFGTRYWZRS-UHFFFAOYSA-M 0.000 description 1
- 239000004952 Polyamide Substances 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 238000004887 air purification Methods 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 238000005868 electrolysis reaction Methods 0.000 description 1
- 229920001038 ethylene copolymer Polymers 0.000 description 1
- 229920000840 ethylene tetrafluoroethylene copolymer Polymers 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000010419 fine particle Substances 0.000 description 1
- 239000003063 flame retardant Substances 0.000 description 1
- 239000007789 gas 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
- 210000004072 lung Anatomy 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- YWAKXRMUMFPDSH-UHFFFAOYSA-N pentene Chemical compound CCCC=C YWAKXRMUMFPDSH-UHFFFAOYSA-N 0.000 description 1
- 239000004014 plasticizer Substances 0.000 description 1
- 229920002647 polyamide Polymers 0.000 description 1
- 229920000728 polyester Polymers 0.000 description 1
- 229920005606 polypropylene copolymer Polymers 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 229920001384 propylene homopolymer Polymers 0.000 description 1
- 229920005604 random copolymer Polymers 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 239000004094 surface-active agent Substances 0.000 description 1
- TXEYQDLBPFQVAA-UHFFFAOYSA-N tetrafluoromethane Chemical compound FC(F)(F)F TXEYQDLBPFQVAA-UHFFFAOYSA-N 0.000 description 1
- 238000005979 thermal decomposition reaction Methods 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
Landscapes
- Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
- Shaping By String And By Release Of Stress In Plastics And The Like (AREA)
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP20918184A JPS6186239A (ja) | 1984-10-04 | 1984-10-04 | 多孔質熱可塑性樹脂フイルムの製造法 |
| US06/686,654 US4563317A (en) | 1983-12-28 | 1984-12-27 | Process of producing porous thermoplastic resin article |
| DE8484116343T DE3477406D1 (en) | 1983-12-28 | 1984-12-27 | Process of producing porous thermoplastic resin article |
| EP84116343A EP0147849B1 (en) | 1983-12-28 | 1984-12-27 | Process of producing porous thermoplastic resin article |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP20918184A JPS6186239A (ja) | 1984-10-04 | 1984-10-04 | 多孔質熱可塑性樹脂フイルムの製造法 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6186239A JPS6186239A (ja) | 1986-05-01 |
| JPH0211620B2 true JPH0211620B2 (nl) | 1990-03-15 |
Family
ID=16568675
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP20918184A Granted JPS6186239A (ja) | 1983-12-28 | 1984-10-04 | 多孔質熱可塑性樹脂フイルムの製造法 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6186239A (nl) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2540767A1 (en) | 2011-06-30 | 2013-01-02 | JNC Corporation | Microporous film |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007021301A (ja) * | 2005-07-13 | 2007-02-01 | Nakajima Kogyo:Kk | エアーフィルタ用濾過フィルムおよびシート |
| WO2011071025A1 (ja) * | 2009-12-07 | 2011-06-16 | 富士フイルム株式会社 | 容器、及び容器の製造方法 |
| JP6943580B2 (ja) * | 2017-03-03 | 2021-10-06 | 住友化学株式会社 | 非水電解液二次電池用セパレータ |
-
1984
- 1984-10-04 JP JP20918184A patent/JPS6186239A/ja active Granted
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2540767A1 (en) | 2011-06-30 | 2013-01-02 | JNC Corporation | Microporous film |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6186239A (ja) | 1986-05-01 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EXPY | Cancellation because of completion of term |