CN101155862A - 聚烯烃微多孔膜的制造方法及该微多孔膜 - Google Patents
聚烯烃微多孔膜的制造方法及该微多孔膜 Download PDFInfo
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- CN101155862A CN101155862A CNA2006800109120A CN200680010912A CN101155862A CN 101155862 A CN101155862 A CN 101155862A CN A2006800109120 A CNA2006800109120 A CN A2006800109120A CN 200680010912 A CN200680010912 A CN 200680010912A CN 101155862 A CN101155862 A CN 101155862A
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- C08J2323/00—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers
- C08J2323/02—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers not modified by chemical after treatment
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- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
- H01M10/4235—Safety or regulating additives or arrangements in electrodes, separators or electrolyte
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Abstract
Description
例子No. | 实施例1 | 实施例2 | 实施例3 | 实施例4 | |
PE组合物 | |||||
UHMWPE 分子量(Mw)Mw/Mn含量(wt%) | 2.0×106820 | 2.0×106820 | 2.0×106820 | 2.0×106820 | |
HDPE 分子量(Mw)Mw/Mn含量(wt%) | 3.5×10513.580 | 3.5×10513.580 | 3.5×10513.580 | 3.5×10513.580 | |
熔点(℃) | 135 | 135 | 135 | 135 | |
结晶分散温度(℃) | 100 | 100 | 100 | 100 | |
制造条件 | |||||
熔融混炼物的PE浓度(wt%) | 25 | 25 | 25 | 25 | |
第一拉伸 | 温度(℃) | 119.5 | 119.5 | 119.5 | 119.55 |
倍率(MD×TD) | 5×5 | 5×5 | 5×5 | 5×5 | |
热溶剂处理 | 溶剂 | - | - | - | - |
温度(℃) | - | - | - | - | |
时间(秒) | - | - | - | - | |
第二拉伸(1) | 温度(℃) | 110 | 110 | 110 | 110 |
拉伸速度(%/sec) | 15 | 15 | 15 | 15 | |
拉伸方向 | TD | TD | TD | TD | |
拉伸倍率(倍) | 1.4 | 1.3 | 1.2 | 1.75 | |
热定形处理 | 温度(℃) | 110 | 110 | 110 | 110 |
时间(秒) | 30 | 30 | 30 | 30 | |
微多孔膜的物性 | |||||
膜厚(μm) | 25.8 | 29.6 | 30.2 | 29.1 | |
透气度(sec/100cm3/20μm) | 72 | 85 | 115 | 60 | |
空孔率(%) | 63.2 | 64.4 | 60 | 70 | |
平均细孔直径(μm) | 0.085 | 0.08 | 0.075 | 0.1 | |
迷路系数(×109) | 6.9 | 6.8 | 7.8 | 6.2 | |
扎刺强度(g/20μm)(mN/20μm) | 1971,930.6 | 2192,146.2 | 2152.107 | 2092,048.2 | |
拉伸断裂强度(kg/cm2) MD(kPa) MD(kg/cm2) TD(kPa) TD | 27026,46036035,280 | 32031,36036535,770 | 35034,30035034,300 | 27026,46041040,180 | |
拉伸断裂延展性(%) MD(%) TD | 320300 | 350350 | 360360 | 300240 | |
热收缩率(%) MD(%) TD | 2023 | 2021 | 2120 | 1927 | |
耐压缩性 | 膜厚变化(%) | -50 | -45 | -35 | -57 |
到达透气度值(sec/100cm3/20μm) | 166 | 204 | 299 | 142 |
例子No. | 实施例5 | 实施例6 | 实施例7 | 实施例8 | |
PE组合物 | |||||
UHMWPE 分子量(Mw)Mw/Mn含量(wt%) | 2.0×106820 | 2.0×106820 | 2.0×106820 | 2.0×106820 | |
HDPE 分子量(Mw)Mw/Mn含量(wt%) | 3.5×10513.580 | 3.5×10613.580 | 3.5×10513.580 | 3.5×10513.580 | |
熔点(℃) | 135 | 135 | 135 | 135 | |
结晶分散温度(℃) | 100 | 100 | 100 | 100 | |
制造条件 | |||||
熔融混炼物的PE浓度(wt%) | 25 | 25 | 25 | 25 | |
第一拉伸 | 温度(℃) | 119.7 | 119.7 | 119.7 | 116.5 |
倍率(MD×TD) | 5×5 | 5×5 | 5×5 | 5×5 | |
热溶剂处理 | 溶剂 | - | - | - | - |
温度(℃) | - | - | - | - | |
时间(秒) | - | - | - | - | |
第二拉伸(1) | 温度(℃) | 100 | 100 | 100 | 100 |
拉伸速度(%/sec) | 15 | 15 | 15 | 15 | |
拉伸方向 | TD | MD | MD | MD | |
拉伸倍率(倍) | 1.35 | 1.3 | 1.6 | 1.3 | |
热定形处理 | 温度(℃) | 110 | 110 | 110 | 127 |
时间(秒) | 30 | 30 | 30 | 30 | |
微多孔膜的物性 | |||||
膜厚(μm) | 30.1 | 30.3 | 30.2 | 20 | |
透气度(sec/100cm3/20μm) | 70 | 70 | 70 | 135 | |
空孔率(%) | 60 | 64 | 65 | 52 | |
平均细孔直径(μm) | 0.07 | 0.075 | 0.09 | 0.065 | |
迷路系数(×109) | 4.5 | 5.1 | 6.2 | 10.4 | |
扎刺强度(g/20μm)(mN/20μm) | 1951,911 | 2102,058 | 1951,911 | 4124,037.6 | |
拉伸断裂强度(kg/cm2) MD(kPa) MD(kg/cm2) TD(kPa) TD | 26025,48035034,300 | 34033,32029028,420 | 36035,28028027,440 | 1,050102,90085083,300 | |
拉伸断裂延展性(%) MD(%) TD | 300290 | 270300 | 260310 | 250200 | |
热收缩率(%) MD(%) TD | 2022 | 2520 | 2718 | 66 | |
耐压缩性 | 膜厚变化(%) | -50 | -45 | -50 | -40 |
到达透气度值(sec/100cm3/20μm) | 161 | 182 | 161 | 351 |
例子No. | 实施例9 | 实施例10 | 实施例11 | 比较例1 | |
UHMWPE 分子量(Mw)Mw/Mn含量(wt%) | 2.0×106820 | 2.0×106820 | 2.0×106830 | 2.0×106820 | |
HDPE 分子量(Mw)Mw/Mn含量(wt%) | 3.5×10513.580 | 3.5×10513.580 | 3.5×10513.570 | 3.0×10513.580 | |
熔点(℃) | 135 | 135 | 136 | 135 | |
结晶分散温度(℃) | 100 | 100 | 100 | 100 | |
制造条件 | |||||
熔融混炼物的PE浓度(wt%) | 25 | 25 | 30 | 30 | |
第一拉伸 | 温度(℃) | 118 | 119 | 116 | 115 |
倍率(MD×TD) | 5×5 | 5×5 | 5×5 | 5×5 | |
热溶剂处理 | 溶剂 | - | - | 液体石蜡 | - |
温度(℃) | - | - | 128 | - | |
时间(秒) | - | - | 2 | - | |
第二拉伸(1) | 温度(℃) | 126.8 | 128 | 125 | - |
拉伸速度(%/sec) | 15 | 15 | 15 | - | |
拉伸方向 | TD | TD | TD | - | |
拉伸倍率(倍) | 1.4 | 1.4 | 1.4 | - | |
热定形处理 | 温度(℃) | 126.8 | 128 | 125 | 125 |
时间(秒) | 30 | 30 | 30 | 30 | |
微多孔膜的物性 | |||||
膜厚(μm) | 16 | 30 | 20 | 20 | |
透气度(sec/100cm3/20μm) | 80 | 140 | 80 | 500 | |
空孔率(%) | 51 | 51 | 56 | 38 | |
平均细孔直径(μm) | 0.06 | 0.065 | 0.075 | 0.02 | |
迷路系数(×109) | 7.0 | 7.1 | 7.7 | 8.7 | |
扎刺强度(g/20μm)(mN/20μm) | 2902,842 | 4504,410 | 2802,744 | 5004,900 | |
拉伸断裂强度(kg/cm2) MD(kPa) MD(kg/cm2) TD(kPa) TD | 83081,34095093,100 | 73071,54085083,300 | 67065,66080078,400 | 1,400137,2001,200117,600 | |
拉伸断裂延展性(%)MD(%)TD | 210170 | 250160 | 250165 | 145200 | |
热收缩率(%)MD(%)TD | 4.35.3 | 34 | 2.84.1 | 64 | |
耐压缩性 | 膜厚变化(%) | -27 | -26 | -28 | -15 |
到达透气度值(sec/100cm3/20μm) | 221 | 385 | 220 | 1,650 |
例子No. | 比较例2 | 比较例3 | 比较例4 | 比较例5 | |
UHMWPE 分子量(Mw)Mw/Mn含量(wt%) | 2.0×106820 | 2.0×106820 | 2.0×106820 | 2.0×106830 | |
HDPE 分子量(Mw)Mw/Mn含量(wt%) | 3.0×10513.580 | 3.5×10513.580 | 3.5×10513.580 | 3.5×10513.570 | |
熔点(℃) | 135 | 135 | 135 | 135 | |
结晶分散温度(℃) | 100 | 100 | 100 | 100 | |
制造条件 | |||||
熔融混炼物的PE浓度(wt%) | 25 | 25 | 30 | 30 | |
第一拉伸 | 温度(℃) | 114 | 119.5 | 119.5 | 116 |
倍率(MD×TD) | 5×5 | 5×5 | 5×5 | 5×5 | |
热溶剂处理 | 溶剂 | - | - | - | 液体石蜡 |
温度(℃) | - | - | - | 128 | |
时间(秒) | - | - | - | 2 | |
第二拉伸(1) | 温度(℃) | 110 | 110 | 110 | 125 |
拉伸速度(%/sec) | 15 | 15 | 15 | 15 | |
拉伸方向 | TD | TD | TD | TD | |
拉伸倍率(倍) | 1.3 | 1.0 | 3.0(2) | 1.0 | |
热定形处理 | 温度(℃) | 125 | 110 | - | 125 |
时间(秒) | 30 | 30 | - | 30 | |
微多孔膜的物性 | |||||
膜厚(μm) | 20 | 30 | - | 20 | |
透气度(sec/100cm3/20μm) | 280 | 184 | - | 150 | |
空孔率(%) | 43 | 57 | - | 49 | |
平均细孔直径(μm) | 0.04 | 0.04 | - | 0.04 | |
迷路系数(×109) | 11.0 | 6.4 | - | 6.7 | |
扎刺强度(g/20μm)(mN/20μm) | 5905,782 | 1851,813 | - | 2452,401 | |
拉伸断裂强度(kg/cm2) MD(kPa) MD(kg/cm2) TD(kPa) TD | 1,450142,1001,480145,040 | 27026,46031630,968 | ---- | 62461,15275573,990 | |
拉伸断裂延展性(%)MD(%)TD | 150185 | 247300 | -- | 174527 | |
热收缩率(%)MD(%)TD | 4.57.5 | 2615 | -- | 3.92.2 | |
耐压缩性 | 膜厚变化(%) | -21 | -37 | - | -22 |
到达透气度值(sec/100cm3/20μm) | 850 | 650 | - | 620 |
例子No. | 比较例6 | |
UHMWPE 分子量(Mw)Mw/Mn含量(wt%) | 2.0×106830 | |
HDPE 分子量(Mw)Mw/Mn含量(wt%) | 3.5×10513.570 | |
熔点(℃) | 135 | |
结晶分散温度(℃) | 100 | |
制造条件 | ||
熔融混炼物的PE浓度(wt%) | 30 | |
第一拉伸 | 温度(℃) | 116 |
倍率(MD×TD) | 5×5 | |
热溶剂处理 | 溶剂 | 液体石蜡 |
温度(℃) | 128 | |
时间(秒) | 2 | |
第二拉伸(1) | 温度(℃) | 125 |
拉伸速度(%/sec) | 15 | |
拉伸方向 | MD | |
拉伸倍率(倍) | 3.0(2) | |
热定形处理 | 温度(℃) | - |
时间(秒) | - | |
微多孔膜的物性 | ||
膜厚(μm) | - | |
透气度(sec/100cm3/20μm) | - | |
空孔率(%) | - | |
平均细孔直径(μm) | - | |
迷路系数(×109) | - | |
扎刺强度(g/20μm)(mN/20μm) | -- | |
拉伸断裂强度(kg/cm2)MD(kPa)MD(kg/cm2)TD(kPa)TD | ---- | |
拉伸断裂延展性(%)MD(%)TD | -- | |
热收缩率(%)MD(%)TD | -- | |
耐压缩性 | 膜厚变化(%) | - |
到达透气度值(sec/100cm3/20μm) | - |
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CN110461925A (zh) * | 2017-03-27 | 2019-11-15 | 旭化成株式会社 | 聚烯烃微多孔膜及聚烯烃微多孔膜的制造方法 |
CN112592510A (zh) * | 2020-12-15 | 2021-04-02 | 上海恩捷新材料科技有限公司 | 一种聚烯烃微多孔膜的制备方法 |
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CN101296795B (zh) * | 2005-10-24 | 2012-07-11 | 东丽东燃机能膜合同会社 | 聚烯烃多层微孔膜及其制造方法以及电池用隔离件 |
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2006
- 2006-03-29 RU RU2007140316A patent/RU2418821C2/ru active
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- 2006-03-29 WO PCT/JP2006/306572 patent/WO2006106786A1/ja active Application Filing
- 2006-03-29 EP EP06730520.1A patent/EP1873194B1/en active Active
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- 2006-03-29 JP JP2007512826A patent/JP5342775B2/ja active Active
- 2006-03-29 CN CN2006800109120A patent/CN101155862B/zh active Active
- 2006-03-29 KR KR1020077020487A patent/KR101231752B1/ko active IP Right Grant
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Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
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CN110461925A (zh) * | 2017-03-27 | 2019-11-15 | 旭化成株式会社 | 聚烯烃微多孔膜及聚烯烃微多孔膜的制造方法 |
US11242440B2 (en) | 2017-03-27 | 2022-02-08 | Asahi Kasei Kabushiki Kaisha | Polyolefin microporous membrane and production method thereof |
CN110461925B (zh) * | 2017-03-27 | 2022-03-22 | 旭化成株式会社 | 聚烯烃微多孔膜及聚烯烃微多孔膜的制造方法 |
CN112592510A (zh) * | 2020-12-15 | 2021-04-02 | 上海恩捷新材料科技有限公司 | 一种聚烯烃微多孔膜的制备方法 |
CN112592510B (zh) * | 2020-12-15 | 2022-08-02 | 上海恩捷新材料科技有限公司 | 一种聚烯烃微多孔膜的制备方法 |
Also Published As
Publication number | Publication date |
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RU2418821C2 (ru) | 2011-05-20 |
JPWO2006106786A1 (ja) | 2008-09-11 |
EP1873194B1 (en) | 2016-05-18 |
KR101231752B1 (ko) | 2013-02-08 |
EP1873194A1 (en) | 2008-01-02 |
KR20070114282A (ko) | 2007-11-30 |
TW200642829A (en) | 2006-12-16 |
US20090146334A1 (en) | 2009-06-11 |
CA2602830A1 (en) | 2006-10-12 |
RU2007140316A (ru) | 2009-05-10 |
TWI414417B (zh) | 2013-11-11 |
EP1873194A4 (en) | 2014-07-30 |
JP5342775B2 (ja) | 2013-11-13 |
CN101155862B (zh) | 2011-07-13 |
WO2006106786A1 (ja) | 2006-10-12 |
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