CH539496A - Pellicule de polymère microporeux à cellules ouvertes et procédé pour sa préparation - Google Patents
Pellicule de polymère microporeux à cellules ouvertes et procédé pour sa préparationInfo
- Publication number
- CH539496A CH539496A CH1677370A CH1677370A CH539496A CH 539496 A CH539496 A CH 539496A CH 1677370 A CH1677370 A CH 1677370A CH 1677370 A CH1677370 A CH 1677370A CH 539496 A CH539496 A CH 539496A
- Authority
- CH
- Switzerland
- Prior art keywords
- film
- stretching
- sub
- cold
- microporous
- Prior art date
Links
- 238000000034 method Methods 0.000 title claims description 53
- 229920006254 polymer film Polymers 0.000 title claims description 8
- 238000002360 preparation method Methods 0.000 title claims description 6
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 92
- 229920000642 polymer Polymers 0.000 claims description 55
- 229910052757 nitrogen Inorganic materials 0.000 claims description 46
- -1 polypropylene Polymers 0.000 claims description 43
- 239000004743 Polypropylene Substances 0.000 claims description 30
- 229920001155 polypropylene Polymers 0.000 claims description 30
- 239000011148 porous material Substances 0.000 claims description 29
- 230000008569 process Effects 0.000 claims description 25
- 238000011084 recovery Methods 0.000 claims description 22
- 229920001187 thermosetting polymer Polymers 0.000 claims description 19
- 239000000155 melt Substances 0.000 claims description 15
- 230000004907 flux Effects 0.000 claims description 14
- CYTYCFOTNPOANT-UHFFFAOYSA-N Perchloroethylene Chemical group ClC(Cl)=C(Cl)Cl CYTYCFOTNPOANT-UHFFFAOYSA-N 0.000 claims description 13
- 229950011008 tetrachloroethylene Drugs 0.000 claims description 13
- 239000004698 Polyethylene Substances 0.000 claims description 11
- 238000001125 extrusion Methods 0.000 claims description 11
- 238000010438 heat treatment Methods 0.000 claims description 11
- 229920000573 polyethylene Polymers 0.000 claims description 11
- 238000000137 annealing Methods 0.000 claims description 10
- 238000010622 cold drawing Methods 0.000 claims description 10
- 229920001577 copolymer Polymers 0.000 claims description 10
- 230000000694 effects Effects 0.000 claims description 9
- 239000002904 solvent Substances 0.000 claims description 8
- 229920006324 polyoxymethylene Polymers 0.000 claims description 5
- 239000004952 Polyamide Substances 0.000 claims description 4
- 125000000732 arylene group Chemical group 0.000 claims description 4
- 238000006243 chemical reaction Methods 0.000 claims description 4
- 229920002647 polyamide Polymers 0.000 claims description 4
- 229920000728 polyester Polymers 0.000 claims description 4
- BGJSXRVXTHVRSN-UHFFFAOYSA-N 1,3,5-trioxane Chemical compound C1OCOCO1 BGJSXRVXTHVRSN-UHFFFAOYSA-N 0.000 claims description 3
- 238000005266 casting Methods 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 claims description 3
- 229920000098 polyolefin Polymers 0.000 claims description 3
- IAYPIBMASNFSPL-UHFFFAOYSA-N Ethylene oxide Chemical compound C1CO1 IAYPIBMASNFSPL-UHFFFAOYSA-N 0.000 claims description 2
- 230000015572 biosynthetic process Effects 0.000 claims description 2
- 238000005108 dry cleaning Methods 0.000 claims description 2
- 230000005540 biological transmission Effects 0.000 claims 1
- 238000002844 melting Methods 0.000 description 15
- 230000008018 melting Effects 0.000 description 15
- 208000001840 Dandruff Diseases 0.000 description 6
- 230000007423 decrease Effects 0.000 description 6
- 125000005704 oxymethylene group Chemical group [H]C([H])([*:2])O[*:1] 0.000 description 6
- 150000001241 acetals Chemical class 0.000 description 5
- 230000000052 comparative effect Effects 0.000 description 5
- 229920001971 elastomer Polymers 0.000 description 5
- 239000000463 material Substances 0.000 description 5
- 150000001336 alkenes Chemical class 0.000 description 4
- 238000009826 distribution Methods 0.000 description 4
- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 description 4
- 229910052753 mercury Inorganic materials 0.000 description 4
- 238000001000 micrograph Methods 0.000 description 4
- 230000002093 peripheral effect Effects 0.000 description 4
- 229920005989 resin Polymers 0.000 description 4
- 239000011347 resin Substances 0.000 description 4
- YHQXBTXEYZIYOV-UHFFFAOYSA-N 3-methylbut-1-ene Chemical compound CC(C)C=C YHQXBTXEYZIYOV-UHFFFAOYSA-N 0.000 description 3
- 238000001816 cooling Methods 0.000 description 3
- 239000013078 crystal Substances 0.000 description 3
- 239000013013 elastic material Substances 0.000 description 3
- 239000000806 elastomer Substances 0.000 description 3
- 239000007789 gas Substances 0.000 description 3
- 230000014509 gene expression Effects 0.000 description 3
- 238000012360 testing method Methods 0.000 description 3
- 238000002834 transmittance Methods 0.000 description 3
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 2
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 description 2
- 239000005977 Ethylene Substances 0.000 description 2
- 229920002292 Nylon 6 Polymers 0.000 description 2
- 229920002302 Nylon 6,6 Polymers 0.000 description 2
- 229910052799 carbon Inorganic materials 0.000 description 2
- 125000004432 carbon atom Chemical group C* 0.000 description 2
- 229920001519 homopolymer Polymers 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 230000000877 morphologic effect Effects 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 229920003052 natural elastomer Polymers 0.000 description 2
- 229920001194 natural rubber Polymers 0.000 description 2
- 229920005606 polypropylene copolymer Polymers 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- 239000005060 rubber Substances 0.000 description 2
- 238000010561 standard procedure Methods 0.000 description 2
- 239000007858 starting material Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- LDTAOIUHUHHCMU-UHFFFAOYSA-N 3-methylpent-1-ene Chemical compound CCC(C)C=C LDTAOIUHUHHCMU-UHFFFAOYSA-N 0.000 description 1
- WSSSPWUEQFSQQG-UHFFFAOYSA-N 4-methyl-1-pentene Chemical compound CC(C)CC=C WSSSPWUEQFSQQG-UHFFFAOYSA-N 0.000 description 1
- 244000043261 Hevea brasiliensis Species 0.000 description 1
- DBTDEFJAFBUGPP-UHFFFAOYSA-N Methanethial Chemical compound S=C DBTDEFJAFBUGPP-UHFFFAOYSA-N 0.000 description 1
- DHKHKXVYLBGOIT-UHFFFAOYSA-N acetaldehyde Diethyl Acetal Natural products CCOC(C)OCC DHKHKXVYLBGOIT-UHFFFAOYSA-N 0.000 description 1
- 229910052786 argon Inorganic materials 0.000 description 1
- 230000001413 cellular effect Effects 0.000 description 1
- 238000010924 continuous production Methods 0.000 description 1
- 150000004292 cyclic ethers Chemical class 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004455 differential thermal analysis Methods 0.000 description 1
- 238000000635 electron micrograph Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 125000000524 functional group Chemical group 0.000 description 1
- 230000009477 glass transition Effects 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
- 230000006872 improvement Effects 0.000 description 1
- 229910052743 krypton Inorganic materials 0.000 description 1
- DNNSSWSSYDEUBZ-UHFFFAOYSA-N krypton atom Chemical compound [Kr] DNNSSWSSYDEUBZ-UHFFFAOYSA-N 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000000691 measurement method Methods 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- WSFSSNUMVMOOMR-NJFSPNSNSA-N methanone Chemical compound O=[14CH2] WSFSSNUMVMOOMR-NJFSPNSNSA-N 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 229920003208 poly(ethylene sulfide) Polymers 0.000 description 1
- 229920000139 polyethylene terephthalate Polymers 0.000 description 1
- 239000005020 polyethylene terephthalate Substances 0.000 description 1
- 229920006380 polyphenylene oxide Polymers 0.000 description 1
- QQONPFPTGQHPMA-UHFFFAOYSA-N propylene Natural products CC=C QQONPFPTGQHPMA-UHFFFAOYSA-N 0.000 description 1
- 125000004805 propylene group Chemical group [H]C([H])([H])C([H])([*:1])C([H])([H])[*:2] 0.000 description 1
- 229920001384 propylene homopolymer Polymers 0.000 description 1
- 238000010791 quenching Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 230000033458 reproduction Effects 0.000 description 1
- 239000012260 resinous material Substances 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 230000001954 sterilising effect Effects 0.000 description 1
- 238000004659 sterilization and disinfection Methods 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 125000001424 substituent group Chemical group 0.000 description 1
- 229920003051 synthetic elastomer Polymers 0.000 description 1
- 229920003002 synthetic resin Polymers 0.000 description 1
- 239000000057 synthetic resin Substances 0.000 description 1
- 239000005061 synthetic rubber Substances 0.000 description 1
- 239000004753 textile Substances 0.000 description 1
- 230000010512 thermal transition Effects 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
- 238000004804 winding Methods 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
- 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)
- 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)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US87651169A | 1969-11-13 | 1969-11-13 | |
| US8471270A | 1970-10-28 | 1970-10-28 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CH539496A true CH539496A (fr) | 1973-07-31 |
Family
ID=26771333
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CH1677370A CH539496A (fr) | 1969-11-13 | 1970-11-12 | Pellicule de polymère microporeux à cellules ouvertes et procédé pour sa préparation |
Country Status (8)
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3843761A (en) * | 1973-05-30 | 1974-10-22 | Celanese Corp | Process for preparing a thermoplastic microporous film involving a cold stretching step and multiple hot stretching steps |
| ZA80465B (en) * | 1979-02-13 | 1981-08-26 | Celanese Corp | Process for preparing hollow microporous polypropylene fibers |
| DE69225359T2 (de) * | 1991-02-13 | 1998-10-08 | Mitsubishi Rayon Co | Verfahren zur herstellung von hydrophilen porösen fasern und membranen |
| US5677360A (en) * | 1991-02-13 | 1997-10-14 | Mitsubishi Rayon Co., Ltd. | Hydrophilic polymer alloy, fiber and porous membrane comprising this polymer alloy, and methods for preparing them |
| WO2002103099A1 (en) | 2001-06-19 | 2002-12-27 | Kappler Safety Group | Vapor permeable, liquid impermeable composite fabric and fabrication process |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB887346A (en) * | 1959-09-09 | 1962-01-17 | Ici Ltd | Linear polyester films and processes for their production |
| US3426754A (en) * | 1964-06-12 | 1969-02-11 | Celanese Corp | Breathable medical dressing |
| FR1544807A (fr) * | 1967-09-27 | 1968-11-08 | Celanese Corp | Pellicule à cellules ouvertes |
-
0
- BE BE758823D patent/BE758823A/xx not_active IP Right Cessation
-
1970
- 1970-11-10 DE DE2055193A patent/DE2055193C2/de not_active Expired
- 1970-11-12 CH CH1677370A patent/CH539496A/fr not_active IP Right Cessation
- 1970-11-12 IL IL35643A patent/IL35643A/xx unknown
- 1970-11-13 GB GB54057/70A patent/GB1287505A/en not_active Expired
- 1970-11-13 CA CA098131A patent/CA925671A/en not_active Expired
- 1970-11-13 ES ES385526A patent/ES385526A1/es not_active Expired
- 1970-11-13 FR FR7040543A patent/FR2067271B1/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| ES385526A1 (es) | 1973-10-01 |
| CA925671A (en) | 1973-05-08 |
| IL35643A0 (en) | 1971-02-25 |
| DE2055193A1 (de) | 1971-05-19 |
| DE2055193C2 (de) | 1985-09-12 |
| FR2067271B1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1975-01-10 |
| BE758823A (fr) | 1971-05-12 |
| GB1287505A (en) | 1972-08-31 |
| IL35643A (en) | 1973-07-30 |
| FR2067271A1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1971-08-20 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PL | Patent ceased |