CN100334144C - 聚乙烯微多孔膜 - Google Patents
聚乙烯微多孔膜 Download PDFInfo
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- CN100334144C CN100334144C CNB2004800081041A CN200480008104A CN100334144C CN 100334144 C CN100334144 C CN 100334144C CN B2004800081041 A CNB2004800081041 A CN B2004800081041A CN 200480008104 A CN200480008104 A CN 200480008104A CN 100334144 C CN100334144 C CN 100334144C
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- Prior art keywords
- polyethylene
- film
- molecular weight
- alpha
- polyethylene film
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- -1 polyethylene Polymers 0.000 title claims abstract description 107
- 239000004698 Polyethylene Substances 0.000 title claims abstract description 101
- 229920000573 polyethylene Polymers 0.000 title claims abstract description 100
- 229920001903 high density polyethylene Polymers 0.000 claims abstract description 104
- 239000004700 high-density polyethylene Substances 0.000 claims abstract description 104
- 239000000203 mixture Substances 0.000 claims abstract description 52
- 239000004711 α-olefin Substances 0.000 claims abstract description 27
- 125000004432 carbon atom Chemical group C* 0.000 claims abstract description 22
- 238000007334 copolymerization reaction Methods 0.000 claims description 37
- 230000004927 fusion Effects 0.000 claims description 33
- 125000004805 propylene group Chemical group [H]C([H])([H])C([H])([*:1])C([H])([H])[*:2] 0.000 claims description 26
- QQONPFPTGQHPMA-UHFFFAOYSA-N propylene Natural products CC=C QQONPFPTGQHPMA-UHFFFAOYSA-N 0.000 claims description 17
- 229920010741 Ultra High Molecular Weight Polyethylene (UHMWPE) Polymers 0.000 claims description 15
- 239000011800 void material Substances 0.000 claims description 11
- 230000035699 permeability Effects 0.000 claims description 10
- 230000000737 periodic effect Effects 0.000 claims 3
- 239000000155 melt Substances 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 37
- 239000004902 Softening Agent Substances 0.000 description 21
- 239000012528 membrane Substances 0.000 description 17
- 230000000052 comparative effect Effects 0.000 description 14
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 13
- 239000002994 raw material Substances 0.000 description 12
- 230000004888 barrier function Effects 0.000 description 9
- 230000000694 effects Effects 0.000 description 9
- 229920001684 low density polyethylene Polymers 0.000 description 9
- 239000004702 low-density polyethylene Substances 0.000 description 9
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 description 8
- 230000008569 process Effects 0.000 description 8
- 238000010438 heat treatment Methods 0.000 description 7
- MQIUGAXCHLFZKX-UHFFFAOYSA-N Di-n-octyl phthalate Natural products CCCCCCCCOC(=O)C1=CC=CC=C1C(=O)OCCCCCCCC MQIUGAXCHLFZKX-UHFFFAOYSA-N 0.000 description 6
- 239000013543 active substance Substances 0.000 description 6
- BJQHLKABXJIVAM-UHFFFAOYSA-N bis(2-ethylhexyl) phthalate Chemical compound CCCCC(CC)COC(=O)C1=CC=CC=C1C(=O)OCC(CC)CCCC BJQHLKABXJIVAM-UHFFFAOYSA-N 0.000 description 6
- 238000002844 melting Methods 0.000 description 6
- 230000008018 melting Effects 0.000 description 6
- 239000000523 sample Substances 0.000 description 6
- 230000008602 contraction Effects 0.000 description 5
- 238000001035 drying Methods 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 5
- 238000012360 testing method Methods 0.000 description 5
- 230000015572 biosynthetic process Effects 0.000 description 4
- 239000000470 constituent Substances 0.000 description 4
- NNBZCPXTIHJBJL-UHFFFAOYSA-N decalin Chemical compound C1CCCC2CCCCC21 NNBZCPXTIHJBJL-UHFFFAOYSA-N 0.000 description 4
- 239000000243 solution Substances 0.000 description 4
- ZWEHNKRNPOVVGH-UHFFFAOYSA-N 2-Butanone Chemical class CCC(C)=O ZWEHNKRNPOVVGH-UHFFFAOYSA-N 0.000 description 3
- 239000005977 Ethylene Substances 0.000 description 3
- 239000005662 Paraffin oil Substances 0.000 description 3
- 239000002390 adhesive tape Substances 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 3
- 239000003795 chemical substances by application Substances 0.000 description 3
- 239000008151 electrolyte solution Substances 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 239000005357 flat glass Substances 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 229920002981 polyvinylidene fluoride Polymers 0.000 description 3
- 238000005096 rolling process Methods 0.000 description 3
- 238000004804 winding Methods 0.000 description 3
- RFFLAFLAYFXFSW-UHFFFAOYSA-N 1,2-dichlorobenzene Chemical compound ClC1=CC=CC=C1Cl RFFLAFLAYFXFSW-UHFFFAOYSA-N 0.000 description 2
- 238000001644 13C nuclear magnetic resonance spectroscopy Methods 0.000 description 2
- YEJRWHAVMIAJKC-UHFFFAOYSA-N 4-Butyrolactone Chemical compound O=C1CCCO1 YEJRWHAVMIAJKC-UHFFFAOYSA-N 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- YMWUJEATGCHHMB-UHFFFAOYSA-N Dichloromethane Chemical compound ClCCl YMWUJEATGCHHMB-UHFFFAOYSA-N 0.000 description 2
- 206010013786 Dry skin Diseases 0.000 description 2
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 2
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 2
- SECXISVLQFMRJM-UHFFFAOYSA-N N-Methylpyrrolidone Chemical compound CN1CCCC1=O SECXISVLQFMRJM-UHFFFAOYSA-N 0.000 description 2
- CTQNGGLPUBDAKN-UHFFFAOYSA-N O-Xylene Chemical compound CC1=CC=CC=C1C CTQNGGLPUBDAKN-UHFFFAOYSA-N 0.000 description 2
- 239000004793 Polystyrene Substances 0.000 description 2
- 239000004809 Teflon Substances 0.000 description 2
- 229920006362 Teflon® Polymers 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 2
- 238000009835 boiling Methods 0.000 description 2
- 239000003054 catalyst Substances 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 238000002425 crystallisation Methods 0.000 description 2
- 230000008025 crystallization Effects 0.000 description 2
- 238000013016 damping Methods 0.000 description 2
- MWKFXSUHUHTGQN-UHFFFAOYSA-N decan-1-ol Chemical compound CCCCCCCCCCO MWKFXSUHUHTGQN-UHFFFAOYSA-N 0.000 description 2
- DIOQZVSQGTUSAI-UHFFFAOYSA-N decane Chemical compound CCCCCCCCCC DIOQZVSQGTUSAI-UHFFFAOYSA-N 0.000 description 2
- DOIRQSBPFJWKBE-UHFFFAOYSA-N dibutyl phthalate Chemical compound CCCCOC(=O)C1=CC=CC=C1C(=O)OCCCC DOIRQSBPFJWKBE-UHFFFAOYSA-N 0.000 description 2
- USIUVYZYUHIAEV-UHFFFAOYSA-N diphenyl ether Chemical compound C=1C=CC=CC=1OC1=CC=CC=C1 USIUVYZYUHIAEV-UHFFFAOYSA-N 0.000 description 2
- 238000011156 evaluation Methods 0.000 description 2
- 238000003475 lamination Methods 0.000 description 2
- 229910052744 lithium Inorganic materials 0.000 description 2
- 229910001416 lithium ion Inorganic materials 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- ZGEGCLOFRBLKSE-UHFFFAOYSA-N methylene hexane Natural products CCCCCC=C ZGEGCLOFRBLKSE-UHFFFAOYSA-N 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 229910052759 nickel Inorganic materials 0.000 description 2
- ZWRUINPWMLAQRD-UHFFFAOYSA-N nonan-1-ol Chemical compound CCCCCCCCCO ZWRUINPWMLAQRD-UHFFFAOYSA-N 0.000 description 2
- GLDOVTGHNKAZLK-UHFFFAOYSA-N octadecan-1-ol Chemical compound CCCCCCCCCCCCCCCCCCO GLDOVTGHNKAZLK-UHFFFAOYSA-N 0.000 description 2
- 239000003960 organic solvent Substances 0.000 description 2
- 238000006116 polymerization reaction Methods 0.000 description 2
- 229920000098 polyolefin Polymers 0.000 description 2
- 229920002223 polystyrene Polymers 0.000 description 2
- 239000000843 powder Substances 0.000 description 2
- 239000011347 resin Substances 0.000 description 2
- 229920005989 resin Polymers 0.000 description 2
- 239000002002 slurry Substances 0.000 description 2
- 238000007581 slurry coating method Methods 0.000 description 2
- 239000002904 solvent Substances 0.000 description 2
- 125000000383 tetramethylene group Chemical group [H]C([H])([*:1])C([H])([H])C([H])([H])C([H])([H])[*:2] 0.000 description 2
- ALSTYHKOOCGGFT-KTKRTIGZSA-N (9Z)-octadecen-1-ol Chemical compound CCCCCCCC\C=C/CCCCCCCCO ALSTYHKOOCGGFT-KTKRTIGZSA-N 0.000 description 1
- LIKMAJRDDDTEIG-UHFFFAOYSA-N 1-hexene Chemical compound CCCCC=C LIKMAJRDDDTEIG-UHFFFAOYSA-N 0.000 description 1
- KWKAKUADMBZCLK-UHFFFAOYSA-N 1-octene Chemical compound CCCCCCC=C KWKAKUADMBZCLK-UHFFFAOYSA-N 0.000 description 1
- BKOOMYPCSUNDGP-UHFFFAOYSA-N 2-methylbut-2-ene Chemical group CC=C(C)C BKOOMYPCSUNDGP-UHFFFAOYSA-N 0.000 description 1
- 241000345998 Calamus manan Species 0.000 description 1
- 229920002134 Carboxymethyl cellulose Polymers 0.000 description 1
- 229910000968 Chilled casting Inorganic materials 0.000 description 1
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 1
- 241000692870 Inachis io Species 0.000 description 1
- 229910012820 LiCoO Inorganic materials 0.000 description 1
- 229910013870 LiPF 6 Inorganic materials 0.000 description 1
- 239000004743 Polypropylene Substances 0.000 description 1
- 239000006230 acetylene black Substances 0.000 description 1
- 239000004411 aluminium Substances 0.000 description 1
- 239000005030 aluminium foil Substances 0.000 description 1
- 150000003863 ammonium salts Chemical class 0.000 description 1
- 229910021383 artificial graphite Inorganic materials 0.000 description 1
- 239000012298 atmosphere Substances 0.000 description 1
- 238000000071 blow moulding Methods 0.000 description 1
- 238000011088 calibration curve Methods 0.000 description 1
- 239000003990 capacitor Substances 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 150000001721 carbon Chemical group 0.000 description 1
- 239000001768 carboxy methyl cellulose Substances 0.000 description 1
- 235000010948 carboxy methyl cellulose Nutrition 0.000 description 1
- 239000008112 carboxymethyl-cellulose Substances 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 229910052804 chromium Inorganic materials 0.000 description 1
- 239000011651 chromium Substances 0.000 description 1
- CKFRRHLHAJZIIN-UHFFFAOYSA-N cobalt lithium Chemical compound [Li].[Co] CKFRRHLHAJZIIN-UHFFFAOYSA-N 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 239000006258 conductive agent Substances 0.000 description 1
- 239000011889 copper foil Substances 0.000 description 1
- 238000004821 distillation Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- SNRUBQQJIBEYMU-UHFFFAOYSA-N dodecane Chemical compound CCCCCCCCCCCC SNRUBQQJIBEYMU-UHFFFAOYSA-N 0.000 description 1
- 210000000981 epithelium Anatomy 0.000 description 1
- FKRCODPIKNYEAC-UHFFFAOYSA-N ethyl propionate Chemical compound CCOC(=O)CC FKRCODPIKNYEAC-UHFFFAOYSA-N 0.000 description 1
- 230000005496 eutectics Effects 0.000 description 1
- 239000000284 extract Substances 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 239000011888 foil Substances 0.000 description 1
- 238000005194 fractionation Methods 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 229910002804 graphite Inorganic materials 0.000 description 1
- 239000010439 graphite Substances 0.000 description 1
- 238000000892 gravimetry Methods 0.000 description 1
- 238000009998 heat setting Methods 0.000 description 1
- 125000004836 hexamethylene group Chemical group [H]C([H])([*:2])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[*:1] 0.000 description 1
- 238000005470 impregnation Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 239000004816 latex Substances 0.000 description 1
- 229920000126 latex Polymers 0.000 description 1
- 238000011068 loading method Methods 0.000 description 1
- 150000002681 magnesium compounds Chemical class 0.000 description 1
- 125000001570 methylene group Chemical group [H]C([H])([*:1])[*:2] 0.000 description 1
- 230000000116 mitigating effect Effects 0.000 description 1
- 239000012046 mixed solvent Substances 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 239000000178 monomer Substances 0.000 description 1
- 229940094933 n-dodecane Drugs 0.000 description 1
- GOQYKNQRPGWPLP-UHFFFAOYSA-N n-heptadecyl alcohol Natural products CCCCCCCCCCCCCCCCCO GOQYKNQRPGWPLP-UHFFFAOYSA-N 0.000 description 1
- 229940055577 oleyl alcohol Drugs 0.000 description 1
- XMLQWXUVTXCDDL-UHFFFAOYSA-N oleyl alcohol Natural products CCCCCCC=CCCCCCCCCCCO XMLQWXUVTXCDDL-UHFFFAOYSA-N 0.000 description 1
- 150000002894 organic compounds Chemical class 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 229920001083 polybutene Polymers 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 229920000306 polymethylpentene Polymers 0.000 description 1
- 239000011116 polymethylpentene Substances 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 239000008213 purified water Substances 0.000 description 1
- 235000012950 rattan cane Nutrition 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000008929 regeneration Effects 0.000 description 1
- 238000011069 regeneration method Methods 0.000 description 1
- 238000001228 spectrum Methods 0.000 description 1
- 229920003048 styrene butadiene rubber Polymers 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
- 238000007669 thermal treatment Methods 0.000 description 1
- 238000010792 warming Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 239000003643 water by type Substances 0.000 description 1
Abstract
Description
实施例1 | 实施例2 | 实施例3 | 实施例4 | 实施例5 | 实施例6 | 实施例7 | 实施例8 | 实施例9 | 比较例1 | 比较例2 | 比较例3 | 比较例4 | 比较例5 | 比较例6 | |||
组成 | 线型共聚高密度PE1 | MI0.8共聚单体0.6% | 30 | 30 | - | 40 | - | 75 | 85 | 30 | 30 | - | 100 | - | - | - | - |
线型共聚高密度PE2 | MI1.0共聚单体0.8% | - | - | 20 | - | - | - | - | - | - | - | - | - | - | - | - | |
线型共聚高密度PE3 | MI2.0共聚单体0.4% | - | - | - | - | 30 | - | - | - | - | - | - | - | - | - | - | |
线型共聚高密度PE4 | MI3.0共聚单体13% | - | - | - | - | - | - | - | - | - | - | - | - | - | 20 | - | |
线型共聚高密度PE5 | MI0.8共聚单体1.3% | - | - | - | - | - | - | - | - | - | - | - | - | - | - | 15 | |
线型共聚低密度PE | MI0.3共聚单体1.8% | - | - | - | - | - | - | - | - | - | - | - | 30 | - | - | - | |
高密度PE1 | 10万 | - | - | - | - | - | - | - | - | - | - | - | - | - | - | 45 | |
高密度PE2 | 15万 | - | - | - | - | - | - | - | - | - | - | - | - | 30 | - | - | |
高密度PE3 | 30万 | 30 | 40 | 50 | - | 40 | - | - | 30 | 30 | - | - | 40 | 40 | 80 | - | |
高密度PE4 | 60万 | - | - | - | - | - | - | - | - | - | - | - | - | - | - | 40 | |
高密度PE5 | 70万 | 15 | - | - | 60 | - | - | - | 15 | 15 | 100 | - | - | - | - | - | |
超高分子量PE1 | 200万 | 25 | 30 | 30 | - | 30 | - | - | 25 | 25 | - | - | 30 | 30 | - | - | |
超高分子量PE2 | 300万 | - | - | - | - | - | 25 | - | - | - | - | - | - | - | - | - | |
超高分子量PE3 | 450万 | - | - | - | - | - | - | 15 | - | - | - | - | - | - | - | - | |
膜特性 | 膜Mv | 万 | 50 | 52 | 48 | 40 | 45 | 48 | 43 | 50 | 50 | 55 | 12 | 50 | 50 | 25 | 30 |
膜共聚单体 | mol% | 0.2 | 0.2 | 0.5 | 0.3 | 0.1 | 0.5 | 0.6 | 0.2 | 0.2 | 0 | 0.6 | 0.6 | 0 | 0.7 | 0.2 | |
膜厚 | μm | 17 | 20 | 12 | 17 | 17 | 17 | 17 | 17 | 8 | 17 | 21 | 18 | 18 | 25 | 20 | |
气孔率 | % | 40 | 42 | 38 | 40 | 40 | 42 | 43 | 40 | 40 | 40 | 45 | 36 | 41 | 40 | 41 | |
透气度 | 秒 | 400 | 450 | 280 | 390 | 500 | 480 | 470 | 400 | 200 | 370 | 490 | 650 | 390 | 610 | 430 | |
穿刺强度 | N | 5.1 | 6 | 4.5 | 5.4 | 5 | 4.7 | 4.6 | 6 | 4.5 | 5.1 | 3.4 | 4.1 | 4.5 | 5 | 4.9 | |
熔化温度 | ℃ | 137 | 137 | 135 | 135 | 135 | 132 | 130 | 137 | 137 | 141 | 132 | 134 | 139 | 130 | 131 | |
破膜温度 | ℃ | 157 | 155 | 155 | 151 | 154 | 155 | 155 | 156 | 156 | 151 | 140 | 145 | 150 | 142 | 145 | |
收缩力(150℃) | N | 0.50 | 0.60 | 0.35 | 0.46 | 0.45 | 0.46 | 0.45 | 0.92 | 1.9 | 1.0 | 破膜 | 破膜 | 破膜 | 破膜 | 破膜 | |
收缩应力(150℃) | KPa | 99 | 100 | 98 | 90 | 89 | 90 | 88 | 180 | 800 | 200 | - | - | - | - | - | |
电池评价 | 不发热 | 不发热 | 不发热 | 不发热 | 不发热 | 不发热 | 不发热 | 不发热 | 不发热 | 发热 | 不发热 | 不发热 | 发热 | 不发热 | 不发热 |
Claims (18)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
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JP080481/2003 | 2003-03-24 | ||
JP2003080481 | 2003-03-24 | ||
JP362146/2003 | 2003-10-22 |
Publications (2)
Publication Number | Publication Date |
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CN1764688A CN1764688A (zh) | 2006-04-26 |
CN100334144C true CN100334144C (zh) | 2007-08-29 |
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CNB2004800081041A Expired - Lifetime CN100334144C (zh) | 2003-03-24 | 2004-03-23 | 聚乙烯微多孔膜 |
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Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103342842B (zh) * | 2013-07-18 | 2015-07-08 | 中国石油化工股份有限公司 | 一种微孔膜用高密度聚乙烯树脂组合物及其制备方法 |
CN104292574B (zh) * | 2013-07-18 | 2016-08-10 | 中国石油化工股份有限公司 | 锂离子电池隔膜用聚乙烯组合物及其制备方法 |
JP6520248B2 (ja) * | 2014-03-26 | 2019-05-29 | 東ソー株式会社 | 超高分子量ポリエチレン製延伸微多孔膜 |
CN107709426B (zh) * | 2015-07-14 | 2020-08-25 | 旭化成株式会社 | 微多孔膜、电池用分隔件和电池 |
CN106947154A (zh) * | 2017-03-28 | 2017-07-14 | 上海化工研究院有限公司 | 一种用于制备聚乙烯微孔膜的粉料及其制备方法与应用 |
CN108807821B (zh) | 2018-06-20 | 2021-03-19 | 宁德新能源科技有限公司 | 隔离膜和电化学装置 |
US11161069B2 (en) * | 2019-04-11 | 2021-11-02 | Asahi Kasei Kabushiki Kaisha | Porous membrane |
CN110429229A (zh) * | 2019-07-31 | 2019-11-08 | 宁德新能源科技有限公司 | 多层隔离膜及使用其的装置 |
CN116259924B (zh) * | 2023-03-17 | 2024-01-02 | 江苏北星新材料科技有限公司 | 一种低闭孔温度隔膜及其制备方法 |
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JP2000001557A (ja) * | 1998-06-12 | 2000-01-07 | Kao Corp | 透湿フィルム及び吸収性物品 |
CN1074986C (zh) * | 1995-12-05 | 2001-11-21 | 陶氏化学公司 | 用于在袋中包装流动性物料的新型袋 |
CN1080188C (zh) * | 1995-06-08 | 2002-03-06 | 三井化学株式会社 | 农业用的单层和多层膜 |
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2004
- 2004-03-23 CN CNB2004800081041A patent/CN100334144C/zh not_active Expired - Lifetime
Patent Citations (6)
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CN1150441A (zh) * | 1994-05-09 | 1997-05-21 | 陶氏化学公司 | 含有基本线型聚乙烯的中等模量的薄膜及制造方法 |
CN1080188C (zh) * | 1995-06-08 | 2002-03-06 | 三井化学株式会社 | 农业用的单层和多层膜 |
WO1997020883A1 (en) * | 1995-12-05 | 1997-06-12 | Asahi Kasei Kogyo Kabushiki Kaisha | Microporous polyethylene membranes having low fusing temperatures |
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JP2000001557A (ja) * | 1998-06-12 | 2000-01-07 | Kao Corp | 透湿フィルム及び吸収性物品 |
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