CN101151308A - 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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- CN101151308A CN101151308A CNA2006800100107A CN200680010010A CN101151308A CN 101151308 A CN101151308 A CN 101151308A CN A2006800100107 A CNA2006800100107 A CN A2006800100107A CN 200680010010 A CN200680010010 A CN 200680010010A CN 101151308 A CN101151308 A CN 101151308A
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- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- 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
- C08J2323/04—Homopolymers or copolymers of ethene
- C08J2323/06—Polyethene
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- H01M10/00—Secondary cells; Manufacture thereof
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- H01M10/052—Li-accumulators
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- 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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- 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
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- Mechanical Engineering (AREA)
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- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
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- Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
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- Shaping By String And By Release Of Stress In Plastics And The Like (AREA)
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%) | 30 | 30 | 30 | 30 | |
一次拉伸 | 温度(℃) | 114 | 114 | 114 | 114 |
倍率(MD×TD) | 5×5 | 5×5 | 5×5 | 5×5 | |
二次拉伸 | 温度(℃) | 100 | 100 | 100 | 100 |
拉伸速度(%/sec) | 11.5 | 11.5 | 11.5 | 11.5 | |
拉伸方向 | TD | TD | TD | MD | |
拉伸倍率(倍) | 1.4 | 1.4 | 1.2 | 1.3 | |
热定形/热松弛处理(1) | 温度(℃) | - | 124 | - | - |
收缩方向 | - | TD | - | - | |
收缩后的长度(2)(%) | - | 110 | - | - | |
热定形处理 | 温度(℃) | 125 | 124 | 124 | 125 |
时间(秒) | 30 | 30 | 30 | 30 | |
微多孔膜的物性 | |||||
膜厚(μm) | 16 | 16 | 16 | 16 | |
透气度(sec/100cm3/20μm) | 240 | 240 | 285 | 275 | |
空孔率(%) | 42 | 42 | 41 | 42.2 | |
扎刺强度(g/20μm)(mN/20μm) | 3903,822 | 3903,822 | 3703,626 | 3773,694.6 | |
拉伸断裂强度(kg/cm2)MD(kPa)MD(kg/cm2)TD(kPa)TD | 1,290126,4201,280125,440 | 1,280125,4401,250122,500 | 1,250122,5001,260123,480 | 1,300127,4001,200117,600 | |
拉伸断裂延展性(%)MD(%)TD | 160200 | 165195 | 160210 | 120230 | |
热收缩率(%) MD(%) TD | 5.58.5 | 64.5 | 5.53.5 | 86.5 | |
TD方向的物性差 | 透气度差(%) | +12 | +15 | +15 | +16 |
透气度比 | 1.21 | 1.13 | 1.16 | 1.20 | |
耐压缩性 | 膜厚变化率(%) | -18 | -21 | -20 | -20 |
透气度增加率(%) | +85 | +100 | +110 | +105 | |
到达透气度值(sec/100cm3/20μm) | 444 | 480 | 600 | 563 |
例子No. | 实施例5 | 实施例6 | 实施例7 | 比较例1 | |
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 | 3.5×1058.680 | 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%) | 30 | 30 | 30 | 30 | |
一次拉伸 | 温度(℃) | 114 | 115 | 116 | 114 |
倍率(MD×TD) | 5×5 | 5×5 | 5×5 | 5×5 | |
二次拉伸 | 温度(℃) | 100 | 115 | 100 | 125 |
拉伸速度(%/sec) | 11.5 | 15 | 20 | 11.5 | |
拉伸方向 | MD | MD×TD | TD | TD | |
拉伸倍率(倍) | 1.3 | 1.2×1.4 | 1.2 | 1.4 | |
热定形/热松弛处理(1) | 温度(℃) | 124 | - | 126 | - |
收缩方向 | MD | - | TD | - | |
收缩后的长度(2)(%) | 110 | - | 95 | - | |
热定形处理 | 温度(℃) | 124 | 128 | 126 | 125 |
时间(秒) | 30 | 30 | 30 | 30 | |
微多孔膜的物性 | |||||
膜厚(μm) | 16 | 20 | 23 | 16 | |
透气度(sec/100cm3/20μm) | 275 | 232 | 320 | 280 | |
空孔率(%) | 41 | 43 | 41 | 41 | |
扎刺强度(g/20μm)(mN/20μm) | 3753,675 | 4274,185 | 5004,900 | 3803,724 | |
拉伸断裂强度(kg/cm2)MD(kPa) MD(kg/cm2)TD(kPa) TD | 1,300127,4001,175115,150 | 1,510147,9801,570153,860 | 1,470144,0601,220119,560 | 1,325129,8501,295126,910 | |
拉伸断裂延展性(%)MD(%)TD | 120240 | 110175 | 147211 | 162215 | |
热收缩率(%)MD(%)TD | 76 | 6.25.7 | 4.72.2 | 514 | |
TD方向的物性差 | 透气度差(%) | +19 | +10 | +19 | +30 |
透气度比 | 1.20 | 1.10 | 1.19 | 1.45 | |
耐压缩性 | 膜厚变化率(%) | -22 | -29 | -21 | -12 |
透气度增加率(%) | +115 | +103 | +91 | +200 | |
到达透气度值(sec/100cm3/20μm) | 591 | 470 | 611 | 840 |
例子No. | 比较例2 | 比较例3 | 比较例4 | 比较例5 | |
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%) | 30 | 30 | 30 | 30 | |
一次拉伸 | 温度(℃) | 114 | 114 | 115 | 115 |
倍率(MD×TD) | 5×5 | 5×5 | 5×5 | 5×5 | |
二次拉伸 | 温度(℃) | 125 | 125 | - | 110 |
拉伸速度(%/sec) | 11.5 | 1 | - | 20 | |
拉伸方向 | TD | TD | - | MD | |
拉伸倍率(倍) | 1.4 | 1.4 | - | 3.0 | |
热定形/热松弛处理(1) | 温度(℃) | 124 | - | - | - |
收缩方向 | TD | - | - | - | |
收缩后的长度(2)(%) | 90 | - | - | - | |
热定形处理 | 温度(℃) | 125 | 125 | 125 | - |
时间(秒) | 30 | 30 | 30 | - | |
微多孔膜的物性 | |||||
膜厚(μm) | 16 | 16 | 16 | - | |
透气度(sec/100cm3/20μm) | 280 | 280 | 400 | - | |
空孔率(%) | 42 | 41 | 37 | - | |
扎刺强度(g/20μm)(mN/20μm) | 3803,724 | 3803,724 | 3903,822 | -- | |
拉伸断裂强度(kg/cm2)MD(kPa) MD(kg/cm2)TD(kPa) TD | 1,250122,5001,200117,600 | 1,280125,4401,225120,050 | 1,400137,2001,200117,600 | ---- | |
拉伸断裂延展性(%)MD(%)TD | 145230 | 144217 | 145230 | -- | |
热收缩率(%)MD(%)TD | 62 | 512 | 64 | -- | |
TD方向的物性差 | 透气度差(%) | +62 | +75 | +13 | - |
透气度比 | 1.55 | 1.36 | 1.1 | - | |
耐压缩性 | 膜厚变化率(%) | -22 | -14 | -18 | - |
透气度增加率(%) | +170 | +180 | +125 | - | |
到达透气度值(sec/100cm3/20μm) | 756 | 784 | 900 | - |
例子No. | 比较例6 | |
PE组合物 | ||
UHMWPE 分子量(Mw)Mw/Mn含量(wt%) | 2.0×106820 | |
HDPE 分子量(Mw)Mw/Mn含量(wt%) | 3.5×10513.580 | |
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 | |
一次拉伸 | 温度(℃) | 114 |
倍率(MD×TD) | 5×5 | |
二次拉伸 | 温度(℃) | 100 |
拉伸速度(%/sec) | 1 | |
拉伸方向 | TD | |
拉伸倍率(倍) | 1.4 | |
热定形/热松弛处理(1) | 温度(℃) | - |
收缩方向 | - | |
收缩后的长度(2)(%) | - | |
热定形处理 | 温度(℃) | 125 |
时间(秒) | 30 | |
微多孔膜的物性 | ||
膜厚(μm) | 16 | |
透气度(sec/100cm3/20μm) | 145 | |
空孔率(%) | 41.3 | |
扎刺强度(g/20μm)(mN/20μm) | 4083,998.4 | |
拉伸断裂强度(kg/cm2)MD(kPa)MD(kg/cm2)TD(kPa)TD | 1,149112,6021,334130,732 | |
拉伸断裂延展性(%)MD(%)TD | 165195 | |
热收缩率(%)MD(%)TD | 6.511.5 | |
TD方向的物性差 | 透气度差(%) | +30 |
透气度比 | 1.28 | |
耐压缩性 | 膜厚变化率(%) | -15 |
透气度增加率(%) | +170 | |
到达透气度值(sec/100cm3/20μm) | 392 |
Claims (5)
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JP2005095649 | 2005-03-29 | ||
PCT/JP2006/306345 WO2006104165A1 (ja) | 2005-03-29 | 2006-03-28 | ポリオレフィン微多孔膜の製造方法及びその微多孔膜 |
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KR (1) | KR101265556B1 (zh) |
CN (1) | CN101151308B (zh) |
CA (1) | CA2602824A1 (zh) |
RU (1) | RU2432372C2 (zh) |
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2006
- 2006-03-28 CN CN2006800100107A patent/CN101151308B/zh active Active
- 2006-03-28 JP JP2007510541A patent/JP5021461B2/ja active Active
- 2006-03-28 RU RU2007139825/04A patent/RU2432372C2/ru active
- 2006-03-28 US US11/909,936 patent/US20090008816A1/en not_active Abandoned
- 2006-03-28 EP EP06730293.5A patent/EP1873193B1/en active Active
- 2006-03-28 KR KR1020077020488A patent/KR101265556B1/ko active IP Right Grant
- 2006-03-28 CA CA002602824A patent/CA2602824A1/en not_active Abandoned
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Cited By (14)
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CN102812076A (zh) * | 2010-03-24 | 2012-12-05 | 帝人株式会社 | 聚烯烃微多孔膜及其制造方法、非水系二次电池用间隔件、以及非水系二次电池 |
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JPWO2006104165A1 (ja) | 2008-09-11 |
RU2432372C2 (ru) | 2011-10-27 |
WO2006104165A1 (ja) | 2006-10-05 |
CN101151308B (zh) | 2011-03-16 |
RU2007139825A (ru) | 2009-05-10 |
JP5021461B2 (ja) | 2012-09-05 |
TW200642828A (en) | 2006-12-16 |
CA2602824A1 (en) | 2006-10-05 |
EP1873193A4 (en) | 2009-08-19 |
KR101265556B1 (ko) | 2013-05-20 |
EP1873193B1 (en) | 2018-09-05 |
TWI403549B (zh) | 2013-08-01 |
KR20070114283A (ko) | 2007-11-30 |
US20090008816A1 (en) | 2009-01-08 |
EP1873193A1 (en) | 2008-01-02 |
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