KR20120104142A - 캐스트 필름, 미세기공 박막 및 그 제조방법 - Google Patents
캐스트 필름, 미세기공 박막 및 그 제조방법 Download PDFInfo
- Publication number
- KR20120104142A KR20120104142A KR20127001845A KR20127001845A KR20120104142A KR 20120104142 A KR20120104142 A KR 20120104142A KR 20127001845 A KR20127001845 A KR 20127001845A KR 20127001845 A KR20127001845 A KR 20127001845A KR 20120104142 A KR20120104142 A KR 20120104142A
- Authority
- KR
- South Korea
- Prior art keywords
- film
- temperature
- cast
- films
- stretched
- 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.)
- Withdrawn
Links
- 238000000034 method Methods 0.000 title claims abstract description 122
- 239000012528 membrane Substances 0.000 title description 14
- 238000001816 cooling Methods 0.000 claims abstract description 129
- 239000012530 fluid Substances 0.000 claims abstract description 16
- 239000010408 film Substances 0.000 claims description 474
- 239000004743 Polypropylene Substances 0.000 claims description 194
- 229920001155 polypropylene Polymers 0.000 claims description 193
- 239000010409 thin film Substances 0.000 claims description 152
- 239000013078 crystal Substances 0.000 claims description 119
- 229920001903 high density polyethylene Polymers 0.000 claims description 104
- 239000004700 high-density polyethylene Substances 0.000 claims description 104
- 238000000137 annealing Methods 0.000 claims description 75
- -1 polypropylene Polymers 0.000 claims description 69
- 239000010410 layer Substances 0.000 claims description 67
- 238000004519 manufacturing process Methods 0.000 claims description 32
- 239000002356 single layer Substances 0.000 claims description 30
- 239000004698 Polyethylene Substances 0.000 claims description 29
- 229920000573 polyethylene Polymers 0.000 claims description 29
- 238000002844 melting Methods 0.000 claims description 22
- 230000008018 melting Effects 0.000 claims description 22
- 239000012982 microporous membrane Substances 0.000 claims description 15
- 238000001125 extrusion Methods 0.000 claims description 10
- 239000011148 porous material Substances 0.000 description 68
- 239000012071 phase Substances 0.000 description 64
- 239000002243 precursor Substances 0.000 description 62
- 239000000203 mixture Substances 0.000 description 60
- 230000006870 function Effects 0.000 description 54
- 238000002425 crystallisation Methods 0.000 description 53
- 230000008025 crystallization Effects 0.000 description 53
- 229920000642 polymer Polymers 0.000 description 47
- 230000000694 effects Effects 0.000 description 45
- 230000001965 increasing effect Effects 0.000 description 45
- 238000004736 wide-angle X-ray diffraction Methods 0.000 description 42
- 229920005989 resin Polymers 0.000 description 33
- 239000011347 resin Substances 0.000 description 33
- 238000005033 Fourier transform infrared spectroscopy Methods 0.000 description 30
- 238000010521 absorption reaction Methods 0.000 description 30
- 241000446313 Lamella Species 0.000 description 25
- 230000015572 biosynthetic process Effects 0.000 description 23
- 230000001976 improved effect Effects 0.000 description 23
- 239000007789 gas Substances 0.000 description 22
- 230000008569 process Effects 0.000 description 22
- 230000006399 behavior Effects 0.000 description 21
- 238000010622 cold drawing Methods 0.000 description 21
- 230000035699 permeability Effects 0.000 description 21
- 238000013456 study Methods 0.000 description 21
- 230000007423 decrease Effects 0.000 description 20
- 238000005259 measurement Methods 0.000 description 19
- 238000000235 small-angle X-ray scattering Methods 0.000 description 18
- 239000000463 material Substances 0.000 description 17
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 16
- 238000009826 distribution Methods 0.000 description 16
- 238000012360 testing method Methods 0.000 description 16
- 238000001228 spectrum Methods 0.000 description 15
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 15
- 238000004458 analytical method Methods 0.000 description 14
- 238000001878 scanning electron micrograph Methods 0.000 description 14
- 210000004027 cell Anatomy 0.000 description 13
- 238000002474 experimental method Methods 0.000 description 13
- 238000002441 X-ray diffraction Methods 0.000 description 12
- 230000008859 change Effects 0.000 description 11
- 238000012545 processing Methods 0.000 description 11
- 230000005540 biological transmission Effects 0.000 description 10
- 230000006872 improvement Effects 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
- 206010053206 Fracture displacement Diseases 0.000 description 8
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 8
- 235000015231 kebab Nutrition 0.000 description 8
- 229920000092 linear low density polyethylene Polymers 0.000 description 8
- 239000004707 linear low-density polyethylene Substances 0.000 description 8
- 238000002156 mixing Methods 0.000 description 8
- 238000000926 separation method Methods 0.000 description 8
- 238000010438 heat treatment Methods 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
- 229910052757 nitrogen Inorganic materials 0.000 description 7
- 238000001464 small-angle X-ray scattering data Methods 0.000 description 7
- 238000002076 thermal analysis method Methods 0.000 description 7
- 238000011282 treatment Methods 0.000 description 7
- 229930040373 Paraformaldehyde Natural products 0.000 description 6
- 210000001724 microfibril Anatomy 0.000 description 6
- 238000001000 micrograph Methods 0.000 description 6
- 229920006324 polyoxymethylene Polymers 0.000 description 6
- 230000004044 response Effects 0.000 description 6
- 238000005096 rolling process Methods 0.000 description 6
- 238000005482 strain hardening Methods 0.000 description 6
- 238000001757 thermogravimetry curve Methods 0.000 description 6
- 238000012512 characterization method Methods 0.000 description 5
- 239000010949 copper Substances 0.000 description 5
- 238000000113 differential scanning calorimetry Methods 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
- 229920002521 macromolecule Polymers 0.000 description 5
- 239000000155 melt Substances 0.000 description 5
- 238000010899 nucleation Methods 0.000 description 5
- 230000006911 nucleation Effects 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
- 239000000243 solution Substances 0.000 description 5
- 239000002904 solvent Substances 0.000 description 5
- 238000009864 tensile test Methods 0.000 description 5
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 description 4
- 238000004364 calculation method Methods 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 4
- 239000002131 composite material Substances 0.000 description 4
- 210000002858 crystal cell Anatomy 0.000 description 4
- 230000003247 decreasing effect Effects 0.000 description 4
- 239000012286 potassium permanganate Substances 0.000 description 4
- 230000005855 radiation Effects 0.000 description 4
- 230000009467 reduction Effects 0.000 description 4
- 239000000126 substance Substances 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
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 description 3
- 238000000333 X-ray scattering Methods 0.000 description 3
- 238000009825 accumulation Methods 0.000 description 3
- 230000009172 bursting Effects 0.000 description 3
- 238000005266 casting Methods 0.000 description 3
- 230000015556 catabolic process Effects 0.000 description 3
- 150000001875 compounds Chemical class 0.000 description 3
- 229910052802 copper Inorganic materials 0.000 description 3
- 238000006731 degradation reaction Methods 0.000 description 3
- 230000001419 dependent effect Effects 0.000 description 3
- 238000006073 displacement reaction Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 230000007613 environmental effect 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
- 229920001684 low density polyethylene Polymers 0.000 description 3
- 239000004702 low-density polyethylene Substances 0.000 description 3
- 239000002245 particle Substances 0.000 description 3
- 238000001953 recrystallisation Methods 0.000 description 3
- 238000000518 rheometry Methods 0.000 description 3
- 238000001179 sorption measurement 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
- 101100453790 Drosophila melanogaster Kebab gene Proteins 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
- 230000001133 acceleration Effects 0.000 description 2
- 239000002156 adsorbate Substances 0.000 description 2
- 229920006125 amorphous polymer Polymers 0.000 description 2
- 238000007664 blowing Methods 0.000 description 2
- 238000011109 contamination Methods 0.000 description 2
- 238000012937 correction Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 229910001873 dinitrogen Inorganic materials 0.000 description 2
- 238000000605 extraction Methods 0.000 description 2
- 230000004927 fusion Effects 0.000 description 2
- 229920006262 high density polyethylene film Polymers 0.000 description 2
- 239000013628 high molecular weight specie Substances 0.000 description 2
- 238000011065 in-situ storage Methods 0.000 description 2
- 229910052744 lithium Inorganic materials 0.000 description 2
- 239000013081 microcrystal Substances 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 239000012299 nitrogen atmosphere Substances 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- 230000035515 penetration Effects 0.000 description 2
- 235000011007 phosphoric acid Nutrition 0.000 description 2
- 230000000704 physical effect Effects 0.000 description 2
- 229920006255 plastic film Polymers 0.000 description 2
- 239000002985 plastic film Substances 0.000 description 2
- 229920002959 polymer blend Polymers 0.000 description 2
- 229920006254 polymer film Polymers 0.000 description 2
- 229920000098 polyolefin Polymers 0.000 description 2
- 230000035484 reaction time Effects 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 239000007790 solid phase Substances 0.000 description 2
- 230000003595 spectral effect Effects 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- 238000002834 transmittance Methods 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
- 229910016523 CuKa Inorganic materials 0.000 description 1
- 206010017076 Fracture Diseases 0.000 description 1
- 239000004712 Metallocene polyethylene (PE-MC) Substances 0.000 description 1
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 description 1
- 239000004793 Polystyrene Substances 0.000 description 1
- 230000005856 abnormality Effects 0.000 description 1
- 239000002250 absorbent Substances 0.000 description 1
- 230000002745 absorbent Effects 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 229910052786 argon Inorganic materials 0.000 description 1
- 239000012298 atmosphere Substances 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000000740 bleeding effect Effects 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 230000000994 depressogenic effect Effects 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 238000000445 field-emission scanning electron microscopy Methods 0.000 description 1
- 238000013467 fragmentation Methods 0.000 description 1
- 238000006062 fragmentation reaction Methods 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 230000001939 inductive effect Effects 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 230000004807 localization Effects 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 230000001404 mediated effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000877 morphologic effect Effects 0.000 description 1
- 229910017604 nitric acid Inorganic materials 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 239000008188 pellet Substances 0.000 description 1
- 239000004014 plasticizer Substances 0.000 description 1
- 229920002223 polystyrene Polymers 0.000 description 1
- 238000002459 porosimetry Methods 0.000 description 1
- 210000004946 primary gill lamellae Anatomy 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 238000003908 quality control method Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 230000008707 rearrangement Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
- 238000009987 spinning Methods 0.000 description 1
- 239000003381 stabilizer Substances 0.000 description 1
- 230000008093 supporting effect Effects 0.000 description 1
- 230000008719 thickening Effects 0.000 description 1
- 238000010896 thin film analysis Methods 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
Images
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)
- 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)
- Laminated Bodies (AREA)
- Manufacture Of Macromolecular Shaped Articles (AREA)
Applications Claiming Priority (4)
| 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 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| KR20120104142A true KR20120104142A (ko) | 2012-09-20 |
Family
ID=43385827
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR20127001845A Withdrawn KR20120104142A (ko) | 2009-06-23 | 2010-06-18 | 캐스트 필름, 미세기공 박막 및 그 제조방법 |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US20120276367A1 (https=) |
| JP (1) | JP2012530814A (https=) |
| KR (1) | KR20120104142A (https=) |
| CN (1) | CN102869490A (https=) |
| CA (1) | CA2802583A1 (https=) |
| WO (1) | WO2010148492A1 (https=) |
Families Citing this family (11)
| 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 |
| US9492332B2 (en) | 2014-05-13 | 2016-11-15 | Clopay Plastic Products Company, Inc. | Breathable and microporous thin thermoplastic film |
| CN107920926A (zh) | 2015-07-10 | 2018-04-17 | 比瑞全球有限公司 | 微孔透气膜和制造该微孔透气膜的方法 |
| 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 |
| MX2018005624A (es) | 2015-11-05 | 2018-09-05 | Berry Global Inc | Peliculas polimericas y metodos para fabricar peliculas polimericas. |
| 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 |
| 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 |
Family Cites Families (20)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| JPH02294340A (ja) * | 1989-05-09 | 1990-12-05 | Toray Ind Inc | ポリプロピレンフイルム |
| 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 |
| US6809168B2 (en) * | 1999-12-10 | 2004-10-26 | Exxonmobil Chemical Patents Inc. | Articles formed from propylene diene copolymers |
| JP2002273780A (ja) * | 2001-03-21 | 2002-09-25 | Daiya Plastic Kk | 熱可塑性樹脂フィルムの冷却方法 |
| JP3952720B2 (ja) * | 2001-10-01 | 2007-08-01 | 富士フイルム株式会社 | 溶液製膜方法及び溶液製膜装置 |
| JP4202728B2 (ja) * | 2001-11-19 | 2008-12-24 | 三井化学ファブロ株式会社 | ポリオレフィン系ストレッチフィルム及びその製造方法 |
| 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 KR KR20127001845A patent/KR20120104142A/ko not_active Withdrawn
- 2010-06-18 JP JP2012516446A patent/JP2012530814A/ja not_active Ceased
- 2010-06-18 CN CN2010800373882A patent/CN102869490A/zh active Pending
- 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 WO PCT/CA2010/000952 patent/WO2010148492A1/en not_active Ceased
Also Published As
| Publication number | Publication date |
|---|---|
| JP2012530814A (ja) | 2012-12-06 |
| US20120276367A1 (en) | 2012-11-01 |
| CN102869490A (zh) | 2013-01-09 |
| CA2802583A1 (en) | 2010-12-29 |
| WO2010148492A1 (en) | 2010-12-29 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| Tabatabaei et al. | Microporous membranes obtained from PP/HDPE multilayer films by stretching | |
| KR20120104142A (ko) | 캐스트 필름, 미세기공 박막 및 그 제조방법 | |
| Tabatabaei et al. | Microporous membranes obtained from polypropylene blend films by stretching | |
| Sadeghi et al. | Study of polypropylene morphology obtained from blown and cast film processes: initial morphology requirements for making porous membrane by stretching | |
| Tabatabaei et al. | Effect of processing on the crystalline orientation, morphology, and mechanical properties of polypropylene cast films and microporous membrane formation | |
| Sadeghi et al. | Analysis of microporous membranes obtained from polypropylene films by stretching | |
| JP5422562B2 (ja) | ポリマー微多孔膜 | |
| US5830554A (en) | Method of producing of microporous polyolefin membrane | |
| EP2832781B1 (en) | Polyethylene microporous membrane and process for manufacturing same | |
| EP3006210B1 (en) | Multilayer, microporous polyolefin membrane, and production method thereof | |
| Kim et al. | Effects of precursor properties on the preparation of polyethylene hollow fiber membranes by stretching | |
| US20070178324A1 (en) | Microporous polypropylene film and process for producing the same | |
| KR20140105750A (ko) | 폴리올레핀 미다공막 및 그 제조 방법 | |
| CN105246957A (zh) | 聚烯烃微多孔膜及其制造方法 | |
| JP2011516624A (ja) | 微多孔膜、電池セパレーターおよび電池 | |
| JP5920602B2 (ja) | 微多孔性ポリエチレンフィルムの製造方法 | |
| Yang et al. | Deformation and pore formation mechanism of β nucleated polypropylene with different supermolecular structures | |
| US20200030754A1 (en) | Microporous polyolefin membrane, multilayer microporous polyolefin membrane, laminated microporous polyolefin membrane and separator | |
| Wang et al. | Fabrication of microporous membranes from melt extruded polypropylene precursor films via stretching: Effect of annealing | |
| KR20160016806A (ko) | 폴리올레핀 다층 미다공막 및 이의 제조 방법 | |
| EP1873194B1 (en) | Method for producing polyolefin microporous film and microporous film | |
| JP7775665B2 (ja) | ポリオレフィン微多孔膜、電池用セパレータ、及び二次電池 | |
| Zhang et al. | Manufacture of biaxially oriented high-density polyethylene membranes with tunable properties via “structuring” processing strategy | |
| JP7334719B2 (ja) | ポリオレフィン微多孔膜、多層ポリオレフィン微多孔膜、電池 | |
| Chen et al. | Novel method for fabrication of PP/HDPE/PP trilayer microporous membrane with a highly orientated structure |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PA0105 | International application |
Patent event date: 20120120 Patent event code: PA01051R01D Comment text: International Patent Application |
|
| N231 | Notification of change of applicant | ||
| PN2301 | Change of applicant |
Patent event date: 20120716 Comment text: Notification of Change of Applicant Patent event code: PN23011R01D |
|
| PG1501 | Laying open of application | ||
| PC1203 | Withdrawal of no request for examination | ||
| WITN | Application deemed withdrawn, e.g. because no request for examination was filed or no examination fee was paid |