BE704514A - - Google Patents
Info
- Publication number
- BE704514A BE704514A BE704514DA BE704514A BE 704514 A BE704514 A BE 704514A BE 704514D A BE704514D A BE 704514DA BE 704514 A BE704514 A BE 704514A
- Authority
- BE
- Belgium
- Prior art keywords
- film
- sep
- polymer
- stretching
- temperature
- Prior art date
Links
- 229920000642 polymer Polymers 0.000 claims description 46
- 238000000034 method Methods 0.000 claims description 30
- 238000000137 annealing Methods 0.000 claims description 23
- 238000011084 recovery Methods 0.000 claims description 22
- -1 polypropylene Polymers 0.000 claims description 18
- 239000011148 porous material Substances 0.000 claims description 17
- 230000008569 process Effects 0.000 claims description 13
- 239000004743 Polypropylene Substances 0.000 claims description 11
- 238000004519 manufacturing process Methods 0.000 claims description 11
- 229920001155 polypropylene Polymers 0.000 claims description 11
- 238000002844 melting Methods 0.000 claims description 9
- 230000008018 melting Effects 0.000 claims description 9
- 239000004698 Polyethylene Substances 0.000 claims description 7
- 239000000463 material Substances 0.000 claims description 7
- 239000000155 melt Substances 0.000 claims description 7
- 229920000573 polyethylene Polymers 0.000 claims description 7
- 125000005704 oxymethylene group Chemical group [H]C([H])([*:2])O[*:1] 0.000 claims description 6
- 230000007246 mechanism Effects 0.000 claims description 3
- 239000004033 plastic Substances 0.000 claims 1
- 229920003023 plastic Polymers 0.000 claims 1
- QQONPFPTGQHPMA-UHFFFAOYSA-N propylene Natural products CC=C QQONPFPTGQHPMA-UHFFFAOYSA-N 0.000 claims 1
- 125000004805 propylene group Chemical group [H]C([H])([H])C([H])([*:1])C([H])([H])[*:2] 0.000 claims 1
- 239000007787 solid Substances 0.000 claims 1
- 238000001125 extrusion Methods 0.000 description 24
- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 description 16
- 229910052753 mercury Inorganic materials 0.000 description 16
- 239000002243 precursor Substances 0.000 description 15
- 230000035699 permeability Effects 0.000 description 10
- 238000002459 porosimetry Methods 0.000 description 9
- 229920001577 copolymer Polymers 0.000 description 8
- 238000010438 heat treatment Methods 0.000 description 8
- 229910052751 metal Inorganic materials 0.000 description 5
- 239000002184 metal Substances 0.000 description 5
- 239000011800 void material Substances 0.000 description 5
- YHQXBTXEYZIYOV-UHFFFAOYSA-N 3-methylbut-1-ene Chemical compound CC(C)C=C YHQXBTXEYZIYOV-UHFFFAOYSA-N 0.000 description 4
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 4
- 150000001241 acetals Chemical class 0.000 description 4
- 229920001971 elastomer Polymers 0.000 description 4
- 239000007789 gas Substances 0.000 description 4
- 230000002093 peripheral effect Effects 0.000 description 4
- 230000009467 reduction Effects 0.000 description 4
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 3
- DHKHKXVYLBGOIT-UHFFFAOYSA-N acetaldehyde Diethyl Acetal Natural products CCOC(C)OCC DHKHKXVYLBGOIT-UHFFFAOYSA-N 0.000 description 3
- 238000001816 cooling Methods 0.000 description 3
- 239000000806 elastomer Substances 0.000 description 3
- 230000001747 exhibiting effect Effects 0.000 description 3
- 230000035515 penetration Effects 0.000 description 3
- 238000007639 printing Methods 0.000 description 3
- 230000002829 reductive effect Effects 0.000 description 3
- BGJSXRVXTHVRSN-UHFFFAOYSA-N 1,3,5-trioxane Chemical compound C1OCOCO1 BGJSXRVXTHVRSN-UHFFFAOYSA-N 0.000 description 2
- WSSSPWUEQFSQQG-UHFFFAOYSA-N 4-methyl-1-pentene Chemical compound CC(C)CC=C WSSSPWUEQFSQQG-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
- 229920002302 Nylon 6,6 Polymers 0.000 description 2
- 150000001336 alkenes Chemical class 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 125000004432 carbon atom Chemical group C* 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 230000003247 decreasing effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 239000012528 membrane Substances 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 229910052757 nitrogen Inorganic materials 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 229920006324 polyoxymethylene Polymers 0.000 description 2
- 229920005606 polypropylene copolymer Polymers 0.000 description 2
- 239000011347 resin Substances 0.000 description 2
- 229920005989 resin Polymers 0.000 description 2
- 239000012266 salt solution Substances 0.000 description 2
- 150000003839 salts Chemical class 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 230000006641 stabilisation Effects 0.000 description 2
- 238000011105 stabilization Methods 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- LDTAOIUHUHHCMU-UHFFFAOYSA-N 3-methylpent-1-ene Chemical compound CCC(C)C=C LDTAOIUHUHHCMU-UHFFFAOYSA-N 0.000 description 1
- 208000001840 Dandruff Diseases 0.000 description 1
- IAYPIBMASNFSPL-UHFFFAOYSA-N Ethylene oxide Chemical compound C1CO1 IAYPIBMASNFSPL-UHFFFAOYSA-N 0.000 description 1
- DBTDEFJAFBUGPP-UHFFFAOYSA-N Methanethial Chemical compound S=C DBTDEFJAFBUGPP-UHFFFAOYSA-N 0.000 description 1
- 229920002292 Nylon 6 Polymers 0.000 description 1
- 239000004952 Polyamide Substances 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 150000004292 cyclic ethers Chemical class 0.000 description 1
- 238000010612 desalination reaction Methods 0.000 description 1
- 230000001627 detrimental effect Effects 0.000 description 1
- 238000000502 dialysis Methods 0.000 description 1
- 239000013013 elastic material Substances 0.000 description 1
- FYIBGDKNYYMMAG-UHFFFAOYSA-N ethane-1,2-diol;terephthalic acid Chemical compound OCCO.OC(=O)C1=CC=C(C(O)=O)C=C1 FYIBGDKNYYMMAG-UHFFFAOYSA-N 0.000 description 1
- 125000001495 ethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 description 1
- 235000012438 extruded product Nutrition 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- 125000000524 functional group Chemical group 0.000 description 1
- 230000009477 glass transition Effects 0.000 description 1
- 238000009998 heat setting Methods 0.000 description 1
- 229920001519 homopolymer Polymers 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000001802 infusion Methods 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 230000000670 limiting effect Effects 0.000 description 1
- 239000012982 microporous membrane Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 239000008188 pellet Substances 0.000 description 1
- 229920002647 polyamide Polymers 0.000 description 1
- 229920000728 polyester Polymers 0.000 description 1
- 229920001223 polyethylene glycol Polymers 0.000 description 1
- 229920000098 polyolefin Polymers 0.000 description 1
- 229920006380 polyphenylene oxide Polymers 0.000 description 1
- 238000003303 reheating Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 230000002441 reversible effect Effects 0.000 description 1
- 239000011780 sodium chloride Substances 0.000 description 1
- 125000001424 substituent group Chemical group 0.000 description 1
- 239000004753 textile Substances 0.000 description 1
- 238000011144 upstream manufacturing Methods 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
-
- 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
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)
- Manufacture Of Macromolecular Shaped Articles (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US57259766A | 1966-08-15 | 1966-08-15 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE704514A true BE704514A (en, 2012) | 1968-03-29 |
Family
ID=24288548
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE704514D BE704514A (en, 2012) | 1966-08-15 | 1967-09-29 |
Country Status (1)
| Country | Link |
|---|---|
| BE (1) | BE704514A (en, 2012) |
-
1967
- 1967-09-29 BE BE704514D patent/BE704514A/fr unknown
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| EP0124028B1 (en) | Heterogeneous membrane and process for production thereof | |
| JP4350095B2 (ja) | 多孔性フルオロポリマーフィルムの製造方法 | |
| US3679538A (en) | Novel open-celled microporous film | |
| CH636648A5 (fr) | Procede de preparation de fibres creuses et microporeuses de polypropylene. | |
| US4620956A (en) | Process for preparing microporous polyethylene film by uniaxial cold and hot stretching | |
| FR2530530A1 (fr) | Procede de production d'une feuille mince en matiere thermoplastique et cette feuille | |
| US3843761A (en) | Process for preparing a thermoplastic microporous film involving a cold stretching step and multiple hot stretching steps | |
| US3558764A (en) | Process for preparing microporous film | |
| JP5068168B2 (ja) | フッ化ビニリデン系樹脂中空糸多孔膜 | |
| US3801404A (en) | Novel open-celled microporous film | |
| FR2731649A1 (fr) | Film poreux multicouche comprenant des polyolefines et son procede de production | |
| CA2007160C (en) | Microporus membrane from cold-rolled precursor films | |
| CN1009653B (zh) | 聚丙烯微孔膜及其生产方法 | |
| EP0539302B2 (fr) | Procédé d'obtention films en polyester semi-cristallins orientés | |
| CA1199765A (fr) | Procede et appareillage d'extrusion de films en polymeres du fluorure de vinylidene | |
| EP0590002A1 (fr) | Procede de fabrication d'un ruban de polytetrafluoroethylene de grande porosite, ruban poreux obtenu et utilisation dudit ruban. | |
| BE704514A (en, 2012) | ||
| FR2594744A1 (fr) | Procede pour la fabrication de pieces moulees, etirees, poreuses, en polymere fluore, en particulier en polytetrafluorethylene | |
| EP0832730A1 (fr) | Procédé de traitement d'une matière thermoplastique semi-cristalline | |
| CH539496A (fr) | Pellicule de polymère microporeux à cellules ouvertes et procédé pour sa préparation | |
| JP3597224B2 (ja) | ポリオレフィンフィルムの平滑化方法 | |
| FR2500839A1 (fr) | Produit de resine de fluorure de vinylidene et son procede de preparation | |
| EP0627295B1 (fr) | Procédé pour l'extrusion directe et en continu de structures tubulaires biorientées en polymères cristallisables | |
| CH510704A (fr) | Pellicule de structure microporeuse | |
| CH498170A (fr) | Procédé pour fabriquer des pellicules élastiques |