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    Preparing method of microporous high density polyethylene film
    2.
    发明授权
    Preparing method of microporous high density polyethylene film 有权
    微孔高密度聚乙烯薄膜的制备方法

    公开(公告)号：US08313678B2

    公开(公告)日：2012-11-20

    申请号：US11752956

    申请日：2007-05-24

    申请人： Young-Keun Lee ,  Jang-Weon Rhee ,  Jung-Moon Sung ,  Byoung-Cheon Jo

    发明人： Young-Keun Lee ,  Jang-Weon Rhee ,  Jung-Moon Sung ,  Byoung-Cheon Jo

    IPC分类号： B29C55/00 ,  D01D5/12

    CPC分类号： C08J5/18 ,  C08J2323/04 ,  H01M2/1653 ,  Y10T428/249953 ,  Y10T428/249958 ,  Y10T428/249978 ,  Y10T428/249992 ,  Y10T428/249993

    摘要： The present invention discloses a microporous high-density polyethylene film for a battery separator, and process for preparing the same. The microporous high-density polyethylene film according to the present invention comprises of high-density polyethylene with weight average molecular weight of 2×105˜4×105, containing not more than 5 wt % of molecules with molecular weight of 1×104 or less and not more than 5 wt % of molecules with molecular weight of 1×106 or more, and has the properties of puncture strength of 0.22 N/μm or more, Darcy's permeability constant of 1.8×10−5 Darcy or more, and shrinkage of 4% or less in machine and transverse direction, respectively. Particularly, the microporous high-density polyethylene film has excellent extrusion-compoundability and stretchability with high productivity and enhances performances and stability of the battery using the film.

    摘要翻译： 本发明公开了一种用于电池隔膜的微孔高密度聚乙烯膜及其制备方法。 本发明的微孔高密度聚乙烯薄膜包含重均分子量为2×105〜4×105的高密度聚乙烯，含有不超过5重量％的分子量为1×10 4以下的分子 和不超过5重量％的分子量为1×10 6以上的分子，并且具有0.22N /μm以上的穿刺强度，达西渗透率常数为1.8×10-5达西以上的收缩率 机器横向方向分别为4％或更小。 特别地，微孔高密度聚乙烯膜具有优异的挤出复合性和拉伸性，生产率高，并提高了使用该膜的电池的性能和稳定性。

    Method of producing microporous high density polyethylene film
    3.
    发明授权
    Method of producing microporous high density polyethylene film 有权
    生产微孔高密度聚乙烯薄膜的方法

    公开(公告)号：US07947752B2

    公开(公告)日：2011-05-24

    申请号：US12068803

    申请日：2008-02-12

    申请人： Young Keun Lee ,  Jang Weon Rhee ,  Won Young Cho ,  Jung Moon Sung ,  Byoung Cheon Jo ,  Chol Ho Lee ,  In Hwa Jung ,  Byung Rae Jung

    发明人： Young Keun Lee ,  Jang Weon Rhee ,  Won Young Cho ,  Jung Moon Sung ,  Byoung Cheon Jo ,  Chol Ho Lee ,  In Hwa Jung ,  Byung Rae Jung

    IPC分类号： C08J9/00 ,  C08J5/22

    CPC分类号： C08J5/18 ,  C08J2323/06 ,  C08L23/06 ,  C08L91/00 ,  H01M2/145 ,  H01M2/1653 ,  C08L91/06

    摘要： Disclosed is a microporous high density polyethylene film for a battery separator and a method of producing the same. The microporous high density polyethylene film includes high density polyethylene with a weight average molecular weight of 2×105-5×105, containing 5 wt % or less molecule with a molecular weight of 1×104 or less. The microporous high density polyethylene film has tensile strengths of 1,100 kg/cm2 or more in transverse and machine directions respectively, a puncture strength of 0.22 N/μm or more, a gas permeability (Darcy's permeability constant) of 1.3×10−5 Darcy or more, and shrinkages of 5% or less in machine and transverse directions, respectively. Particularly, the microporous high density polyethylene film has an excellent extrusion-compoundabiliy and stretchability and a high productivity, and can improve the performances and stability of a battery produced using the same.

    摘要翻译： 公开了一种用于电池隔膜的微孔高密度聚乙烯膜及其制造方法。 微孔高密度聚乙烯膜包括重均分子量为2×105-5×105的高密度聚乙烯，其含有5重量％以下的分子量为1×10 4以下的分子。 微孔高密度聚乙烯膜的横向和机械方向的抗拉强度分别为1100kg / cm 2以上，穿刺强度为0.22N /μm以上，透气度（达西渗透率常数）为1.3×10-5达西或 分别在机器和横向上分别为5％或更小的收缩率。 特别地，微孔高密度聚乙烯膜具有优异的挤出复合性和拉伸性和高生产率，并且可以提高使用其制造的电池的性能和稳定性。

    Microporous polyethylene film having excellent physical properties, productivity, and quality consistency, and method of producing same
    5.
    发明授权
    Microporous polyethylene film having excellent physical properties, productivity, and quality consistency, and method of producing same 有权
    具有优异的物理性能，生产率和质量一致性的微孔聚乙烯膜及其制造方法

    公开(公告)号：US08057718B2

    公开(公告)日：2011-11-15

    申请号：US11698088

    申请日：2007-01-26

    申请人： Young Keun Lee ,  Jang Weon Rhee ,  Jung Moon Sung ,  Byoung Cheon Jo ,  Chol Ho Lee

    发明人： Young Keun Lee ,  Jang Weon Rhee ,  Jung Moon Sung ,  Byoung Cheon Jo ,  Chol Ho Lee

    IPC分类号： D01D5/12

    CPC分类号： C08J5/18 ,  C08J2323/06 ,  H01M2/1653 ,  Y10T428/249953 ,  Y10T428/249978 ,  Y10T428/249986 ,  Y10T428/249992

    摘要： Disclosed herein is a microporous polyethylene film for a battery separator and a method of producing the same. The microporous polyethylene film is made from a resin composition. The resin composition comprises 100 parts by weight of a polyethylene composition including 10-50 wt % polyethylene having a weight average molecular weight of from 2×105 to less than 5×105 (component I) and 90-50 wt % diluent (component II), and 0-150 parts by weight of inorganic powder (component III). The film has a puncture strength of 0.20 N/μm or more and a gas permeability (Darcy's permeability constant) of 1×10−5 Darcy or more. The microporous polyethylene film has excellent physical properties, thus improving the performance and stability of a battery.

    摘要翻译： 本文公开了一种用于电池隔膜的微孔聚乙烯膜及其制造方法。 微孔聚乙烯膜由树脂组合物制成。 树脂组合物包含100重量份的聚乙烯组合物，其包含10-50重量％的重均分子量为2×10 5至小于5×10 5（组分I）的聚乙烯和90-50重量％的稀释剂（组分II ）和0-150重量份的无机粉末（组分III）。 该膜的穿刺强度为0.20N /μm以上，透气度（达西渗透率常数）为1×10-5达西以上。 微孔聚乙烯膜具有优异的物理性能，因此提高了电池的性能和稳定性。

    Method of producing microporous high density polyethylene film
    9.
    发明申请
    Method of producing microporous high density polyethylene film 有权
    生产微孔高密度聚乙烯薄膜的方法

    公开(公告)号：US20080139681A1

    公开(公告)日：2008-06-12

    申请号：US12068803

    申请日：2008-02-12

    申请人： Young Keun Lee ,  Jang Weon Rhee ,  Won Young Cho ,  Jung Moon Sung ,  Byoung Cheon Jo ,  Chol Ho Lee ,  In Hwa Jung ,  Byung Rae Jung

    发明人： Young Keun Lee ,  Jang Weon Rhee ,  Won Young Cho ,  Jung Moon Sung ,  Byoung Cheon Jo ,  Chol Ho Lee ,  In Hwa Jung ,  Byung Rae Jung

    IPC分类号： C08J9/00

    CPC分类号： C08J5/18 ,  C08J2323/06 ,  C08L23/06 ,  C08L91/00 ,  H01M2/145 ,  H01M2/1653 ,  C08L91/06

    摘要： Disclosed is a microporous high density polyethylene film for a battery separator and a method of producing the same. The microporous high density polyethylene film includes high density polyethylene with a weight average molecular weight of 2×105−5×105, containing 5 wt % or less molecule with a molecular weight of 1×104 or less. The microporous high density polyethylene film has tensile strengths of 1,100 kg/cm2 or more in transverse and machine directions respectively, a puncture strength of 0.22 N/μm or more, a gas permeability (Darcy's permeability constant) of 1.3×10−5 Darcy or more, and shrinkages of 5% or less in machine and transverse directions, respectively. Particularly, the microporous high density polyethylene film has an excellent extrusion-compoundabiliy and stretchability and a high productivity, and can improve the performances and stability of a battery produced using the same.

    摘要翻译： 公开了一种用于电池隔膜的微孔高密度聚乙烯膜及其制造方法。 微孔高密度聚乙烯膜包括重均分子量为2×10 5 -5×10 5的高密度聚乙烯，其含有5重量％或更少的分子量为1×10 5 4以下。 微孔高密度聚乙烯膜的横向和机械方向的拉伸强度分别为1100kg / cm 2以上，穿刺强度为0.22N / m 2以上，透气度（达西渗透率常数） 分别为1.3×10 -5以上的达西或以上，并且在纵向和横向上分别为5％以下的收缩。 特别地，微孔高密度聚乙烯膜具有优异的挤出复合性和拉伸性和高生产率，并且可以提高使用其制造的电池的性能和稳定性。

    MICROPOROUS HIGH DENSITY POLYETHYLENE FILM AND PREPARING METHOD THEREOF
    10.
    发明申请
    MICROPOROUS HIGH DENSITY POLYETHYLENE FILM AND PREPARING METHOD THEREOF 有权
    微孔高密度聚乙烯薄膜及其制备方法

    公开(公告)号：US20070218271A1

    公开(公告)日：2007-09-20

    申请号：US11752956

    申请日：2007-05-24

    申请人： Young-Keun LEE ,  Jang-Weon RHEE ,  Jung-Moon SUNG ,  Byoung-Cheon JO

    发明人： Young-Keun LEE ,  Jang-Weon RHEE ,  Jung-Moon SUNG ,  Byoung-Cheon JO

    IPC分类号： B29C65/00 ,  B29D7/00 ,  D01D5/12 ,  B29C71/00 ,  B29C55/00 ,  B32B3/26 ,  B32B5/14 ,  B32B27/00 ,  C04B33/32

    CPC分类号： C08J5/18 ,  C08J2323/04 ,  H01M2/1653 ,  Y10T428/249953 ,  Y10T428/249958 ,  Y10T428/249978 ,  Y10T428/249992 ,  Y10T428/249993

    摘要： The present invention discloses a microporous high-density polyethylene film for a battery separator, and process for preparing the same. The microporous high-density polyethylene film according to the present invention comprises of high-density polyethylene with weight average molecular weight of 2×105˜4×105, containing not more than 5 wt % of molecules with molecular weight of 1×104 or less and not more than 5 wt % of molecules with molecular weight of 1×106 or more, and has the properties of puncture strength of 0.22 N/μm or more, Darcy's permeability constant of 1.8×10−5 Darcy or more, and shrinkage of 4% or less in machine and transverse direction, respectively. Particularly, the microporous high-density polyethylene film has excellent extrusion-compoundability and stretchability with high productivity and enhances performances and stability of the battery using the film.

    摘要翻译： 本发明公开了一种用于电池隔膜的微孔高密度聚乙烯膜及其制备方法。 根据本发明的微孔高密度聚乙烯膜包含重均分子量为2×10 5〜4×10 5的高密度聚乙烯，其含有不超过5重量％ ％的分子量分子量为1×10 4以下且不超过5重量％的分子量为1×10 -6以上的分子，具有穿刺强度 为0.22 N / mum以上，达西渗透率常数为1.8×10 -5达西或以上，收缩率分别为机器横向和纵向方向的4％以下。 特别地，微孔高密度聚乙烯膜具有优异的挤出复合性和拉伸性，生产率高，并提高了使用该膜的电池的性能和稳定性。