CA2802583A1 - Cast films, microporous membranes, and method of preparation thereof - Google Patents
Cast films, microporous membranes, and method of preparation thereof Download PDFInfo
- Publication number
- CA2802583A1 CA2802583A1 CA2802583A CA2802583A CA2802583A1 CA 2802583 A1 CA2802583 A1 CA 2802583A1 CA 2802583 A CA2802583 A CA 2802583A CA 2802583 A CA2802583 A CA 2802583A CA 2802583 A1 CA2802583 A1 CA 2802583A1
- Authority
- CA
- Canada
- Prior art keywords
- film
- temperature
- films
- stretched
- cast
- 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.)
- Abandoned
Links
- 238000000034 method Methods 0.000 title claims abstract description 135
- 239000012528 membrane Substances 0.000 title claims description 150
- 238000002360 preparation method Methods 0.000 title description 11
- 238000001816 cooling Methods 0.000 claims abstract description 116
- 239000004743 Polypropylene Substances 0.000 claims description 182
- 229920001155 polypropylene Polymers 0.000 claims description 182
- 229920001903 high density polyethylene Polymers 0.000 claims description 101
- 239000004700 high-density polyethylene Substances 0.000 claims description 101
- 238000000137 annealing Methods 0.000 claims description 73
- 239000013078 crystal Substances 0.000 claims description 57
- -1 polypropylene Polymers 0.000 claims description 54
- 239000010410 layer Substances 0.000 claims description 53
- 239000002356 single layer Substances 0.000 claims description 36
- 239000004698 Polyethylene Substances 0.000 claims description 29
- 229920000573 polyethylene Polymers 0.000 claims description 29
- 238000002844 melting Methods 0.000 claims description 21
- 230000008018 melting Effects 0.000 claims description 21
- 239000012982 microporous membrane Substances 0.000 claims description 19
- 239000011148 porous material Substances 0.000 description 66
- 239000012071 phase Substances 0.000 description 65
- 239000000203 mixture Substances 0.000 description 60
- 239000002243 precursor Substances 0.000 description 60
- 230000006870 function Effects 0.000 description 49
- 238000004736 wide-angle X-ray diffraction Methods 0.000 description 39
- 238000002425 crystallisation Methods 0.000 description 35
- 230000008025 crystallization Effects 0.000 description 35
- 229920005989 resin Polymers 0.000 description 31
- 239000011347 resin Substances 0.000 description 31
- 238000005033 Fourier transform infrared spectroscopy Methods 0.000 description 30
- 230000015572 biosynthetic process Effects 0.000 description 28
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 27
- 238000010521 absorption reaction Methods 0.000 description 26
- 230000000694 effects Effects 0.000 description 26
- 238000012360 testing method Methods 0.000 description 25
- 238000005259 measurement Methods 0.000 description 23
- 230000008569 process Effects 0.000 description 23
- 230000006399 behavior Effects 0.000 description 22
- 239000007789 gas Substances 0.000 description 21
- 230000035699 permeability Effects 0.000 description 21
- 229920000642 polymer Polymers 0.000 description 20
- 238000000235 small-angle X-ray scattering Methods 0.000 description 18
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 16
- 238000009826 distribution Methods 0.000 description 16
- 238000001878 scanning electron micrograph Methods 0.000 description 16
- 230000007423 decrease Effects 0.000 description 15
- 239000000463 material Substances 0.000 description 15
- 238000001228 spectrum Methods 0.000 description 14
- 230000005540 biological transmission Effects 0.000 description 13
- 210000004027 cell Anatomy 0.000 description 13
- 238000004519 manufacturing process Methods 0.000 description 11
- 229910052799 carbon Inorganic materials 0.000 description 10
- 238000012512 characterization method Methods 0.000 description 10
- 230000004044 response Effects 0.000 description 10
- 238000002474 experimental method Methods 0.000 description 9
- 239000000155 melt Substances 0.000 description 9
- 230000005855 radiation Effects 0.000 description 9
- 238000000926 separation method Methods 0.000 description 9
- 238000001464 small-angle X-ray scattering data Methods 0.000 description 9
- PBKONEOXTCPAFI-UHFFFAOYSA-N 1,2,4-trichlorobenzene Chemical compound ClC1=CC=C(Cl)C(Cl)=C1 PBKONEOXTCPAFI-UHFFFAOYSA-N 0.000 description 8
- 238000012545 processing Methods 0.000 description 8
- 230000009467 reduction Effects 0.000 description 8
- 238000004458 analytical method Methods 0.000 description 7
- 238000010438 heat treatment Methods 0.000 description 7
- 235000015231 kebab Nutrition 0.000 description 7
- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 description 7
- 229910052753 mercury Inorganic materials 0.000 description 7
- 238000002156 mixing Methods 0.000 description 7
- 229910052757 nitrogen Inorganic materials 0.000 description 7
- 229930040373 Paraformaldehyde Natural products 0.000 description 6
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 6
- 238000001125 extrusion Methods 0.000 description 6
- 230000006872 improvement Effects 0.000 description 6
- 229920000092 linear low density polyethylene Polymers 0.000 description 6
- 239000004707 linear low-density polyethylene Substances 0.000 description 6
- 210000001724 microfibril Anatomy 0.000 description 6
- 229920006324 polyoxymethylene Polymers 0.000 description 6
- 238000005482 strain hardening Methods 0.000 description 6
- 238000009864 tensile test Methods 0.000 description 6
- 238000001757 thermogravimetry curve Methods 0.000 description 6
- 210000002858 crystal cell Anatomy 0.000 description 5
- 238000000113 differential scanning calorimetry Methods 0.000 description 5
- 230000007613 environmental effect Effects 0.000 description 5
- 238000005530 etching Methods 0.000 description 5
- 238000010096 film blowing Methods 0.000 description 5
- 239000007788 liquid Substances 0.000 description 5
- 238000001000 micrograph Methods 0.000 description 5
- 239000002245 particle Substances 0.000 description 5
- 229920003023 plastic Polymers 0.000 description 5
- 239000004033 plastic Substances 0.000 description 5
- 229920006126 semicrystalline polymer Polymers 0.000 description 5
- 239000002904 solvent Substances 0.000 description 5
- 239000000126 substance Substances 0.000 description 5
- 238000002076 thermal analysis method Methods 0.000 description 5
- 230000015556 catabolic process Effects 0.000 description 4
- 238000006731 degradation reaction Methods 0.000 description 4
- 239000012286 potassium permanganate Substances 0.000 description 4
- 238000000518 rheometry Methods 0.000 description 4
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 3
- 238000002441 X-ray diffraction Methods 0.000 description 3
- 238000009825 accumulation Methods 0.000 description 3
- 238000004364 calculation method Methods 0.000 description 3
- 238000005266 casting Methods 0.000 description 3
- 230000008859 change Effects 0.000 description 3
- 229910052802 copper Inorganic materials 0.000 description 3
- 239000010949 copper Substances 0.000 description 3
- 230000003247 decreasing effect Effects 0.000 description 3
- 238000000605 extraction Methods 0.000 description 3
- 230000004927 fusion Effects 0.000 description 3
- 229910002804 graphite Inorganic materials 0.000 description 3
- 239000010439 graphite Substances 0.000 description 3
- 239000001307 helium Substances 0.000 description 3
- 229910052734 helium Inorganic materials 0.000 description 3
- SWQJXJOGLNCZEY-UHFFFAOYSA-N helium atom Chemical compound [He] SWQJXJOGLNCZEY-UHFFFAOYSA-N 0.000 description 3
- 239000013628 high molecular weight specie Substances 0.000 description 3
- 230000033001 locomotion Effects 0.000 description 3
- 239000012299 nitrogen atmosphere Substances 0.000 description 3
- 238000010899 nucleation Methods 0.000 description 3
- 230000006911 nucleation Effects 0.000 description 3
- 238000002459 porosimetry Methods 0.000 description 3
- 238000001953 recrystallisation Methods 0.000 description 3
- PFNQVRZLDWYSCW-UHFFFAOYSA-N (fluoren-9-ylideneamino) n-naphthalen-1-ylcarbamate Chemical compound C12=CC=CC=C2C2=CC=CC=C2C1=NOC(=O)NC1=CC=CC2=CC=CC=C12 PFNQVRZLDWYSCW-UHFFFAOYSA-N 0.000 description 2
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 2
- 229910016523 CuKa Inorganic materials 0.000 description 2
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 description 2
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 2
- 229920003350 Spectratech® Polymers 0.000 description 2
- 239000002156 adsorbate Substances 0.000 description 2
- 238000013019 agitation Methods 0.000 description 2
- 230000002902 bimodal effect Effects 0.000 description 2
- 238000007664 blowing Methods 0.000 description 2
- 238000010622 cold drawing Methods 0.000 description 2
- 238000011109 contamination Methods 0.000 description 2
- 230000001419 dependent effect Effects 0.000 description 2
- 229910001873 dinitrogen Inorganic materials 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 238000013467 fragmentation Methods 0.000 description 2
- 238000006062 fragmentation reaction Methods 0.000 description 2
- 229920006262 high density polyethylene film Polymers 0.000 description 2
- 230000010354 integration Effects 0.000 description 2
- 229910052744 lithium Inorganic materials 0.000 description 2
- 229920001684 low density polyethylene Polymers 0.000 description 2
- 239000004702 low-density polyethylene Substances 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000000877 morphologic effect Effects 0.000 description 2
- 230000035515 penetration Effects 0.000 description 2
- 239000004014 plasticizer Substances 0.000 description 2
- 229920002959 polymer blend Polymers 0.000 description 2
- 229920006254 polymer film Polymers 0.000 description 2
- 230000000171 quenching effect Effects 0.000 description 2
- 230000035484 reaction time Effects 0.000 description 2
- 235000011149 sulphuric acid Nutrition 0.000 description 2
- 239000001117 sulphuric acid Substances 0.000 description 2
- 238000000831 two-dimensional small-angle X-ray scattering data Methods 0.000 description 2
- 239000011800 void material Substances 0.000 description 2
- 229910002483 Cu Ka Inorganic materials 0.000 description 1
- 101100234408 Danio rerio kif7 gene Proteins 0.000 description 1
- 101100221620 Drosophila melanogaster cos gene Proteins 0.000 description 1
- 241000220317 Rosa Species 0.000 description 1
- 101100398237 Xenopus tropicalis kif11 gene Proteins 0.000 description 1
- 229920006125 amorphous polymer Polymers 0.000 description 1
- 229910052786 argon Inorganic materials 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 101150118300 cos gene Proteins 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 238000011065 in-situ storage Methods 0.000 description 1
- 238000000386 microscopy Methods 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 230000008520 organization Effects 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 238000005453 pelletization Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 229920006255 plastic film Polymers 0.000 description 1
- 239000002985 plastic film Substances 0.000 description 1
- 229920000098 polyolefin Polymers 0.000 description 1
- 210000004946 primary gill lamellae Anatomy 0.000 description 1
- 238000010791 quenching Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 230000008707 rearrangement Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 238000009987 spinning Methods 0.000 description 1
- 239000003381 stabilizer Substances 0.000 description 1
- 238000007655 standard test method Methods 0.000 description 1
- 230000002277 temperature effect Effects 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- ZSDSQXJSNMTJDA-UHFFFAOYSA-N trifluralin Chemical compound CCCN(CCC)C1=C([N+]([O-])=O)C=C(C(F)(F)F)C=C1[N+]([O-])=O ZSDSQXJSNMTJDA-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
- B29C55/005—Shaping by stretching, e.g. drawing through a die; Apparatus therefor characterised by the choice of materials
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D67/00—Processes specially adapted for manufacturing semi-permeable membranes for separation processes or apparatus
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D67/00—Processes specially adapted for manufacturing semi-permeable membranes for separation processes or apparatus
- B01D67/0002—Organic membrane manufacture
- B01D67/002—Organic membrane manufacture from melts
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D67/00—Processes specially adapted for manufacturing semi-permeable membranes for separation processes or apparatus
- B01D67/0002—Organic membrane manufacture
- B01D67/0023—Organic membrane manufacture by inducing porosity into non porous precursor membranes
- B01D67/0025—Organic membrane manufacture by inducing porosity into non porous precursor membranes by mechanical treatment, e.g. pore-stretching
- B01D67/0027—Organic membrane manufacture by inducing porosity into non porous precursor membranes by mechanical treatment, e.g. pore-stretching by stretching
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D69/00—Semi-permeable membranes for separation processes or apparatus characterised by their form, structure or properties; Manufacturing processes specially adapted therefor
- B01D69/12—Composite membranes; Ultra-thin membranes
- B01D69/1212—Coextruded layers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D69/00—Semi-permeable membranes for separation processes or apparatus characterised by their form, structure or properties; Manufacturing processes specially adapted therefor
- B01D69/12—Composite membranes; Ultra-thin membranes
- B01D69/1216—Three or more layers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D71/00—Semi-permeable membranes for separation processes or apparatus characterised by the material; Manufacturing processes specially adapted therefor
- B01D71/06—Organic material
- B01D71/26—Polyalkenes
- B01D71/261—Polyethylene
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D71/00—Semi-permeable membranes for separation processes or apparatus characterised by the material; Manufacturing processes specially adapted therefor
- B01D71/06—Organic material
- B01D71/26—Polyalkenes
- B01D71/262—Polypropylene
-
- 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
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
- B29C48/07—Flat, e.g. panels
- B29C48/08—Flat, e.g. panels flexible, e.g. films
-
- 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
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/16—Articles comprising two or more components, e.g. co-extruded layers
-
- 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
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/88—Thermal treatment of the stream of extruded material, e.g. cooling
- B29C48/911—Cooling
- B29C48/9135—Cooling of flat articles, e.g. using specially adapted supporting means
- B29C48/915—Cooling of flat articles, e.g. using specially adapted supporting means with means for improving the adhesion to the supporting means
- B29C48/917—Cooling of flat articles, e.g. using specially adapted supporting means with means for improving the adhesion to the supporting means by applying pressurised gas to the surface of the flat article
-
- 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
- B29D7/01—Films or sheets
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2323/00—Details relating to membrane preparation
- B01D2323/08—Specific temperatures applied
- B01D2323/081—Heating
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2323/00—Details relating to membrane preparation
- B01D2323/08—Specific temperatures applied
- B01D2323/082—Cooling
-
- 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
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
- B29C48/09—Articles with cross-sections having partially or fully enclosed cavities, e.g. pipes or channels
- B29C48/10—Articles with cross-sections having partially or fully enclosed cavities, e.g. pipes or channels flexible, e.g. blown foils
-
- 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
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/88—Thermal treatment of the stream of extruded material, e.g. cooling
- B29C48/911—Cooling
- B29C48/9135—Cooling of flat articles, e.g. using specially adapted supporting means
- B29C48/914—Cooling drums
-
- 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
- B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
- B29K2023/00—Use of polyalkenes or derivatives thereof as moulding material
- B29K2023/04—Polymers of ethylene
- B29K2023/06—PE, i.e. polyethylene
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
- B29K2023/00—Use of polyalkenes or derivatives thereof as moulding material
- B29K2023/10—Polymers of propylene
- B29K2023/12—PP, i.e. polypropylene
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
- B29K2105/00—Condition, form or state of moulded material or of the material to be shaped
- B29K2105/04—Condition, form or state of moulded material or of the material to be shaped cellular or porous
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/249921—Web or sheet containing structurally defined element or component
- Y10T428/249953—Composite having voids in a component [e.g., porous, cellular, etc.]
- Y10T428/249978—Voids specified as micro
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (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)
- Laminated Bodies (AREA)
- Manufacture Of Macromolecular Shaped Articles (AREA)
Applications Claiming Priority (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US21958109P | 2009-06-23 | 2009-06-23 | |
| US61/219,581 | 2009-06-23 | ||
| US28804209P | 2009-12-18 | 2009-12-18 | |
| US61/288,042 | 2009-12-18 | ||
| PCT/CA2010/000952 WO2010148492A1 (en) | 2009-06-23 | 2010-06-18 | Cast films, microporous membranes, and method of preparation thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA2802583A1 true CA2802583A1 (en) | 2010-12-29 |
Family
ID=43385827
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA2802583A Abandoned CA2802583A1 (en) | 2009-06-23 | 2010-06-18 | Cast films, microporous membranes, and method of preparation thereof |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US20120276367A1 (OSRAM) |
| JP (1) | JP2012530814A (OSRAM) |
| KR (1) | KR20120104142A (OSRAM) |
| CN (1) | CN102869490A (OSRAM) |
| CA (1) | CA2802583A1 (OSRAM) |
| WO (1) | WO2010148492A1 (OSRAM) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10398605B2 (en) | 2014-05-13 | 2019-09-03 | Berry Film Products Company, Inc. | Breathable and microporous thin thermoplastic film |
| US10717255B2 (en) | 2015-11-05 | 2020-07-21 | Berry Plastics Corporation | Polymeric films and methods for making polymeric films |
| US11472085B2 (en) | 2016-02-17 | 2022-10-18 | Berry Plastics Corporation | Gas-permeable barrier film and method of making the gas-permeable barrier film |
| US11584111B2 (en) | 2018-11-05 | 2023-02-21 | Windmoeller & Hoelscher Kg | Breathable thermoplastic film with reduced shrinkage |
| US11872740B2 (en) | 2015-07-10 | 2024-01-16 | Berry Plastics Corporation | Microporous breathable film and method of making the microporous breathable film |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102825805B (zh) * | 2012-09-12 | 2015-09-09 | 成都芝田高分子材料有限公司 | 聚丙烯微孔膜制备方法 |
| CN103647036B (zh) * | 2013-12-10 | 2016-01-06 | 深圳市星源材质科技股份有限公司 | 一种高强度微孔锂离子电池隔膜的制备方法及电池隔膜 |
| CN105181733A (zh) * | 2015-08-06 | 2015-12-23 | 江苏安瑞达新材料有限公司 | 一种利用dsc模拟聚烯烃流延基膜退火处理的方法 |
| JP7275574B2 (ja) * | 2018-12-27 | 2023-05-18 | Ｕｂｅ株式会社 | ポリオレフィン微多孔膜及び蓄電デバイス |
| CN110204816B (zh) * | 2019-06-22 | 2022-03-15 | 天津登峰卫生用品材料有限公司 | 一种可撕包膜及其制备方法 |
| US20240170803A1 (en) * | 2022-11-21 | 2024-05-23 | Ii-Vi Delaware, Inc. | Electrochemical Device Separator |
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| US4276179A (en) * | 1979-06-01 | 1981-06-30 | Celanese Corporation | Removing halogenated hydrocarbons from aqueous media by utilizing a polyolefinic microporous adsorbent |
| DE3564078D1 (en) * | 1984-11-09 | 1988-09-08 | Terumo Corp | Flat permeable membrane and method for manufacture thereof |
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| JP2917331B2 (ja) * | 1989-11-24 | 1999-07-12 | 東レ株式会社 | 白色不透明化ポリオレフィンフイルム |
| BR9206560A (pt) * | 1991-10-01 | 1995-03-28 | Minnesota Mining & Mfg | Fita compósita, e, processo para a fabricacão de fita adesiva sensível a pressão por processamento por fusão |
| JP3003830B2 (ja) * | 1994-05-12 | 2000-01-31 | 宇部興産株式会社 | 積層多孔質フイルム及びその製法 |
| JP3582670B2 (ja) * | 1995-02-24 | 2004-10-27 | 東レ株式会社 | ポリエステルフィルムおよびその製造方法 |
| JP3852492B2 (ja) * | 1996-08-06 | 2006-11-29 | 宇部興産株式会社 | 電池用セパレータの製造法 |
| US6090898A (en) * | 1997-02-26 | 2000-07-18 | Toray Industries, Inc. | Polyester film and a production process thereof |
| KR100371398B1 (ko) * | 1998-12-08 | 2003-05-12 | 주식회사 엘지화학 | 폴리올레핀블렌드로제조된통기성필름과그의제조방법및2차전지의격리막 |
| US6331343B1 (en) * | 1999-05-07 | 2001-12-18 | 3M Innovative Properties Company | Films having a fibrillated surface and method of making |
| US6479007B1 (en) * | 1999-09-16 | 2002-11-12 | University Technology Corporation | Apparatus and method for controlling pore size in polymeric membranes and thin films |
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| JP4574260B2 (ja) * | 2004-07-16 | 2010-11-04 | 東セロ株式会社 | 樹脂フィルムの製造方法及び樹脂フィルム成形用エッジピンニング装置 |
| KR100961660B1 (ko) * | 2005-12-21 | 2010-06-09 | 에스케이에너지 주식회사 | 반결정고분자 미세다공막 및 그 제조방법 |
| US20070264578A1 (en) * | 2006-05-15 | 2007-11-15 | Tonen Chemical Corporation | Microporous polyolefin membrane, its production method and battery separator |
| JP5361363B2 (ja) * | 2008-12-15 | 2013-12-04 | 旭化成イーマテリアルズ株式会社 | 積層微多孔性フィルム及びその製造方法 |
-
2010
- 2010-06-18 WO PCT/CA2010/000952 patent/WO2010148492A1/en not_active Ceased
- 2010-06-18 KR KR20127001845A patent/KR20120104142A/ko not_active Withdrawn
- 2010-06-18 US US13/379,272 patent/US20120276367A1/en not_active Abandoned
- 2010-06-18 CA CA2802583A patent/CA2802583A1/en not_active Abandoned
- 2010-06-18 JP JP2012516446A patent/JP2012530814A/ja not_active Ceased
- 2010-06-18 CN CN2010800373882A patent/CN102869490A/zh active Pending
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10398605B2 (en) | 2014-05-13 | 2019-09-03 | Berry Film Products Company, Inc. | Breathable and microporous thin thermoplastic film |
| US10398606B2 (en) | 2014-05-13 | 2019-09-03 | Berry Film Products Company, Inc. | Breathable and microporous thin thermoplastic film |
| USRE48555E1 (en) | 2014-05-13 | 2021-05-18 | Berry Film Products Company, Inc. | Breathable and microporous thin thermoplastic film |
| US11931229B2 (en) | 2014-05-13 | 2024-03-19 | Berry Film Products Company, Inc. | Breathable and microporous thin thermoplastic film |
| US11872740B2 (en) | 2015-07-10 | 2024-01-16 | Berry Plastics Corporation | Microporous breathable film and method of making the microporous breathable film |
| US10717255B2 (en) | 2015-11-05 | 2020-07-21 | Berry Plastics Corporation | Polymeric films and methods for making polymeric films |
| US11472085B2 (en) | 2016-02-17 | 2022-10-18 | Berry Plastics Corporation | Gas-permeable barrier film and method of making the gas-permeable barrier film |
| US11584111B2 (en) | 2018-11-05 | 2023-02-21 | Windmoeller & Hoelscher Kg | Breathable thermoplastic film with reduced shrinkage |
Also Published As
| Publication number | Publication date |
|---|---|
| US20120276367A1 (en) | 2012-11-01 |
| CN102869490A (zh) | 2013-01-09 |
| KR20120104142A (ko) | 2012-09-20 |
| WO2010148492A1 (en) | 2010-12-29 |
| JP2012530814A (ja) | 2012-12-06 |
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