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    POLYOLEFIN MICROPOROUS FILM
    3.
    发明申请
    POLYOLEFIN MICROPOROUS FILM 有权
    聚碳酸酯薄膜

    公开(公告)号：US20100099838A1

    公开(公告)日：2010-04-22

    申请号：US11997423

    申请日：2006-07-27

    申请人： Hisashi Takeda ,  Daisuke Inagaki

    发明人： Hisashi Takeda ,  Daisuke Inagaki

    IPC分类号： C08F210/06

    CPC分类号： H01M2/1653 ,  B01D71/26 ,  B01D2323/06 ,  B01D2323/12 ,  B01D2325/34 ,  C08J5/18 ,  C08J2323/04 ,  C08J2323/14 ,  C08L23/04 ,  C08L23/10 ,  C08L23/142 ,  H01G9/02 ,  H01G9/155 ,  H01M10/052 ,  Y02E60/13 ,  C08L2666/06

    摘要： A polyolefin microporous film comprising polyethylene and polypropylene having a viscosity average molecular weight of 100,000 or higher, the polypropylene being contained in an amount of 4 wt % or more and the terminal vinyl group concentration per 10,000 carbon atoms in the polyolefin constituting the microporous film being 2 or more as measured by infrared spectroscopy. The microporous film has both of a good film breaking resistance and a low thermal shrinkage, is excellent in fuse property, and has a uniform film thickness. Particularly, the microporous film can retain safety in the oven safety test at 150° C. for a battery which is required for use as a lithium ion battery separator.

    摘要翻译： 包含粘均分子量为100,000以上的聚乙烯和聚丙烯的聚烯烃微孔膜，构成微孔膜的聚烯烃中含有4重量％以上的聚丙烯和每1万个碳原子的末端乙烯基浓度为 2或更高，通过红外光谱测量。 微孔膜具有良好的抗断膜性和低热收缩性，熔融性优异，膜厚均匀。 特别地，微孔膜可以在用于锂离子电池隔膜所需的电池的150℃下保持安全性。

    POLYOLEFIN MICROPOROUS FILM AND ROLL
    5.
    发明申请
    POLYOLEFIN MICROPOROUS FILM AND ROLL 审中-公开
    聚碳酸酯薄膜和卷

    公开(公告)号：US20110027660A1

    公开(公告)日：2011-02-03

    申请号：US12935169

    申请日：2009-03-26

    申请人： Hisashi Takeda ,  Daisuke Inagaki ,  Kazuya Iidani ,  Yoshihiko Izumi

    发明人： Hisashi Takeda ,  Daisuke Inagaki ,  Kazuya Iidani ,  Yoshihiko Izumi

    IPC分类号： H01M2/16 ,  B01D71/06 ,  C08J9/00

    CPC分类号： H01M2/1653 ,  C08J5/18 ,  C08J2323/02 ,  C08J2323/04 ,  C08J2323/06 ,  C08J2423/10 ,  C08J2423/12 ,  H01M4/131 ,  H01M4/133 ,  H01M10/0525

    摘要： An object of the present invention is to provide a polyolefin microporous film that can sufficiently reduce the occurrence of raised edges at a slitting step such as a slitting step at the time of producing the polyolefin microporous film and a slitting step at the time of processing the polyolefin microporous film into a roll. The present invention provides a polyolefin microporous film formed from a polyolefin composition comprising a polyethylene, a first polypropylene having a viscosity average molecular weight of not less than 50,000 and less than 300,000, and a second polypropylene having a viscosity average molecular weight of not less than 300,000.

    摘要翻译： 本发明的目的是提供一种聚烯烃微多孔膜，其可以在制造聚烯烃微多孔膜时在切割步骤等切割步骤中充分减少凸起边缘的发生，并且在加工时 聚烯烃微孔膜成卷。 本发明提供由聚烯烃组合物形成的聚烯烃微多孔膜，所述聚烯烃组合物包含聚乙烯，粘均分子量不小于50,000且小于300,000的第一聚丙烯和粘均分子量不小于 30万。

    Polyolefin microporous membrane
    8.
    发明授权
    Polyolefin microporous membrane 有权
    聚烯烃微孔膜

    公开(公告)号：US08003261B2

    公开(公告)日：2011-08-23

    申请号：US12097231

    申请日：2006-12-11

    申请人： Kazuya Iidani ,  Daisuke Inagaki

    发明人： Kazuya Iidani ,  Daisuke Inagaki

    IPC分类号： H01M2/16

    CPC分类号： C08J5/2231 ,  B01D71/26 ,  B01D2323/20 ,  B01D2325/24 ,  C08J2323/02 ,  H01M2/1653 ,  H01M10/052 ,  Y10T428/268

    摘要： The present invention provides a microporous polyolefin film having a thickness of 1 μm (inclusive) to 50 μm (inclusive), a porosity of 30% (inclusive) to 70% (inclusive), a piercing strength of 0.15 N/μm or more in terms of a film thickness of 1 μm, tensile strengths in the length direction (MD tensile strength) and the width direction (TD tensile strength) of 30 MPa or more each, a thermal shrinkage in the width direction (TD thermal shrinkage) of 1% or less at 65° C., and a thermal shrinkage ratio in the length to width direction (MD/TD thermal shrinkage ratio) of more than 2 at 65° C. A process for producing the microporous film and a nonaqueous electrolyte secondary battery using the film are also provided.

    摘要翻译： 本发明提供一种厚度为1μm以上且50μm以下的微孔性聚烯烃膜（以下，孔隙率为30％以上且70％以下），穿孔强度为0.15N /μm以上 膜厚度为1μm，长度方向的拉伸强度（MD拉伸强度）和宽度方向（TD拉伸强度）各自为30MPa以上，宽度方向的热收缩率（TD热收缩率）为1 65℃以下的％以下，65℃以上的长宽方向的热收缩率（MD / TD热收缩率）大于2。一种微孔膜和非水电解质二次电池的制造方法 还提供使用该电影。

    Microporous polyolefin film
    9.
    发明授权
    Microporous polyolefin film 有权
    微孔聚烯烃膜

    公开(公告)号：US07700025B2

    公开(公告)日：2010-04-20

    申请号：US12111121

    申请日：2008-04-28

    申请人： Daisuke Inagaki ,  Takahiko Kondo

    发明人： Daisuke Inagaki ,  Takahiko Kondo

    IPC分类号： B28B1/00 ,  B29C43/00 ,  B29C61/00

    CPC分类号： H01M2/1653 ,  C08J5/18 ,  C08J2205/05 ,  C08J2323/04 ,  C08J2323/06 ,  C08L23/04 ,  C08L23/06 ,  C08L2205/02 ,  C08L23/00 ,  C08L2666/04

    摘要： A microporous polyolefin film which comprises 5 to 95 wt. % polyethylene (A) having a viscosity-average molecular weight (Mv) of 2,000,000 or higher, a first-melting-peak signal height as determined by DSC (differential scanning calorimetry) of 3.0 mW/mg or higher, a specific surface area of 0.7 m2/g or larger, and an average particle diameter of 1 to 150 μm and 95 to 5 wt. % polyethylene (B) having an Mw of 10,000 to 200,000, excluding 10,000 and 200,000, wherein the ratio of the Mv of the compound (A) to that of the compound (B), (A)/(B), is 10 or higher, the film as a whole has a molecular weight of 300,000 to 1,500,000, and the film has a fuse temperature of 120 to 140° C., a breaking temperature of 150° C. or higher, and a ratio of the piercing strength at 25° C. to the piercing strength at 140° C. of from 0.01 to 0.25.

    摘要翻译： 一种微孔聚烯烃膜，其包含5至95重量％ 粘均分子量（Mv）为2,000,000以上的聚乙烯（A），DSC（差示扫描量热法）测定的第一熔点峰值信号高度为3.0mW / mg以上，比表面积 0.7m 2 / g以上，平均粒径为1〜150μm，95〜5wt。 化合物（A）与化合物（B）的摩尔比（A）/（B））的摩尔比为10或10以下的Mw为10,000〜200,000的聚乙烯（B）为10〜 更高，膜的整体分子量为30万〜150万，膜的熔点温度为120〜140℃，断裂温度为150℃以上， 25℃至140℃的刺穿强度为0.01至0.25。

    POLYOLEFIN MICROPOROUS MEMBRANE
    10.
    发明申请
    POLYOLEFIN MICROPOROUS MEMBRANE 有权
    多晶薄膜

    公开(公告)号：US20090186280A1

    公开(公告)日：2009-07-23

    申请号：US12097231

    申请日：2006-12-11

    申请人： Kazuya Iidani ,  Daisuke Inagaki

    发明人： Kazuya Iidani ,  Daisuke Inagaki

    IPC分类号： H01M2/16 ,  B32B5/18

    CPC分类号： C08J5/2231 ,  B01D71/26 ,  B01D2323/20 ,  B01D2325/24 ,  C08J2323/02 ,  H01M2/1653 ,  H01M10/052 ,  Y10T428/268

    摘要： The present invention provides a microporous polyolefin film having a thickness of 1 μm (inclusive) to 50 μm (inclusive), a porosity of 30% (inclusive) to 70% (inclusive), a piercing strength of 0.15 N/μm or more in terms of a film thickness of 1 μm, tensile strengths in the length direction (MD tensile strength) and the width direction (TD tensile strength) of 30 MPa or more each, a thermal shrinkage in the width direction (TD thermal shrinkage) of 1% or less at 65° C., and a thermal shrinkage ratio in the length to width direction (MD/TD thermal shrinkage ratio) of more than 2 at 65° C. A process for producing the microporous film and a nonaqueous electrolyte secondary battery using the film are also provided.

    摘要翻译： 本发明提供一种厚度为1μm（包括端值）至50μm（含），孔隙率为30％（含）至70％（以下），穿孔强度为0.15N / m 2以上的微孔聚烯烃膜 膜厚1μm，长度方向的拉伸强度（MD拉伸强度）和宽度方向（TD拉伸强度）各自为30MPa以上，宽度方向的热收缩（TD热收缩率）为1 65℃以下的％以下，65℃以上的长宽方向的热收缩率（MD / TD热收缩率）大于2。一种微孔膜和非水电解质二次电池的制造方法 还提供使用该电影。