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    Void-containing composite film of polyester type
    1.
    发明授权
    Void-containing composite film of polyester type 失效
    聚酯型空隙复合膜

    公开(公告)号：US5422175A

    公开(公告)日：1995-06-06

    申请号：US67813

    申请日：1993-05-27

    申请人： Katsuya Ito ,  Atsushi Taga ,  Katsufumi Kumano ,  Yasushi Sasaki ,  Toshitake Suzuki ,  Akito Hamano

    发明人： Katsuya Ito ,  Atsushi Taga ,  Katsufumi Kumano ,  Yasushi Sasaki ,  Toshitake Suzuki ,  Akito Hamano

    IPC分类号： B29C55/00 ,  B29C55/02 ,  B32B3/26 ,  B32B27/20 ,  B32B27/36 ,  B41M5/52 ,  G03C1/795

    CPC分类号： G03C1/7954 ,  B29C55/005 ,  B29C55/023 ,  B32B27/20 ,  B32B27/36 ,  B32B3/26 ,  B41M5/5272 ,  B29K2105/16 ,  Y10T428/24893 ,  Y10T428/249953 ,  Y10T428/249987 ,  Y10T428/249991 ,  Y10T428/31786 ,  Y10T428/31797

    摘要： A void-containing composite film including (A) a polyester base layer containing voids composed mainly of a polymer mixture of a polyester and a thermoplastic resin which is not compatible with the polyester and is selected from the group of polystyrene resins, polyolefin resins, polyacrylic resins, polycarbonate resins, polysulfone resins, cellulose resins, polysiloxane resins and silicone resins, and (B) at least one outer surface layer composed mainly of polyethylene terephthalate and formed on at least one side of the polyester base layer (A), the polyester base layer (A) and the at least one outer surface layer (B) being formed into a composite film by co-extrusion, followed by orientation in at least one direction, the void percentage of a surface portion having 3 .mu.m thickness from the surface of the polyester base layer (A) is 8% by volume or less, the average void percentage of the composite film is 10% to 50% by volume, and the composite film has substantially no voids at the interface between the polyester base layer (A) and the outer surface layer (B).

    摘要翻译： 一种含空隙复合膜，其包括（A）聚酯基层，其主要由聚酯与热塑性树脂的聚合物混合物构成，所述聚合物基层与聚酯不相容，并且选自聚苯乙烯树脂，聚烯烃树脂，聚丙烯酸 树脂，聚碳酸酯树脂，聚砜树脂，纤维素树脂，聚硅氧烷树脂和有机硅树脂，以及（B）主要由聚对苯二甲酸乙二醇酯构成的至少一个外表面层，形成在聚酯基层（A）的至少一面上，聚酯 基底层（A）和至少一个外表面层（B）通过共挤出形成复合膜，然后在至少一个方向上取向，从具有3μm厚度的表面部分的空隙率 聚酯基层（A）的表面为8体积％以下，复合膜的平均空隙率为10〜50体积％，复合膜在第 e接合在聚酯基层（A）和外表面层（B）之间。

    Polyester film for forming
    3.
    发明申请
    Polyester film for forming 有权
    聚酯薄膜成型

    公开(公告)号：US20060280959A1

    公开(公告)日：2006-12-14

    申请号：US10570162

    申请日：2004-08-30

    申请人： Katsufumi Kumano ,  Shinya Higashiura ,  Katsuya Ito ,  Masatoshi Tanabe ,  Shinji Fujita ,  Yasushi Sasaki

    发明人： Katsufumi Kumano ,  Shinya Higashiura ,  Katsuya Ito ,  Masatoshi Tanabe ,  Shinji Fujita ,  Yasushi Sasaki

    IPC分类号： C08J5/18 ,  C08L67/02

    CPC分类号： C08J5/18 ,  B29C55/005 ,  B29K2067/00 ,  C08J2367/02 ,  Y10S428/91 ,  Y10T428/2495 ,  Y10T428/24967 ,  Y10T428/24975 ,  Y10T428/263 ,  Y10T428/265 ,  Y10T428/31786

    摘要： A polyester film for forming which is excellent in formability especially at low temperatures and low pressures and in solvent resistance and heat resistance and is reduced in environmental burden. The polyester film for forming is a biaxially oriented polyester film comprising a copolyester as a component, and is characterize in that (1) the stress at 100% elongation of the film in each of the machine direction and the transverse direction is 10 to 1,000 MPa at 25° C. and is 1 to 100 MPa at 100° C.; (2) the storage viscoelasticity (E′) of the film in each of the machine direction and the transverse direction is 10 to 1,000 MPa at 100° C. and is 5 to 40 MPa at 180° C.; and (3) the degree of heat distortion (initial load, 49 mN) of the film in the machine direction is −3% to +3% at 175° C.

    摘要翻译： 一种成型性优异的成型性聚酯膜，特别是在低温低压，耐溶剂性，耐热性方面，降低了环境负荷。 作为成型用聚酯膜是以共聚酯为成分的双轴取向聚酯膜，其特征在于，（1）在纵向和横向上的膜的伸长率为100％时的应力为10〜1000MPa 在25℃下，在100℃下为1〜100MPa。 （2）薄膜在机器方向和横向方向上的储存粘弹性（E'）在100℃下为10〜1000MPa，在180℃下为5〜40MPa。 和（3）在175℃下，膜的纵向热变形程度（初始载荷49mN）为-3％〜+ 3％

    Film having fine voids and manufacture thereof
    6.
    发明授权
    Film having fine voids and manufacture thereof 失效
    薄膜具有细小的空隙及其制造

    公开(公告)号：US6004664A

    公开(公告)日：1999-12-21

    申请号：US110825

    申请日：1998-07-06

    申请人： Yasushi Sasaki ,  Ken-ichi Mori ,  Katsuya Ito ,  Toshitake Suzuki

    发明人： Yasushi Sasaki ,  Ken-ichi Mori ,  Katsuya Ito ,  Toshitake Suzuki

    IPC分类号： C08J5/18 ,  C08L23/02 ,  C08L25/08 ,  C08L67/02 ,  B32B27/06

    CPC分类号： C08J5/18 ,  C08L67/02 ,  C08J2367/02 ,  C08L23/02 ,  C08L25/08 ,  Y10S428/91 ,  Y10T428/249975 ,  Y10T428/249978 ,  Y10T428/249979

    摘要： A polyester film having fine voids, which comprises a polymer mixture comprising a polyester resin and a thermoplastic resin (B) incompatible with said polyester resin, and which has an apparent specific gravity of 0.6-1.3 and an inplane birefringence as determined from the equation:inplane birefringence=refractive index along lengthwise principal axis-refractive index along crosswise principal axis,of from -0.02 to +0.04, and manufacture thereof. A thermoplastic resin film having fine voids, which comprises a polymer mixture comprising a thermoplastic resin (A) and a thermoplastic resin (B) incompatible with said thermoplastic resin (A), and which has a ratio (L1/L2) of an average length (L1) of the voids at a cross section in the lengthwise direction of the film, to an average length (L2) of the voids at a cross section in the direction forming a right angle with said lengthwise direction, i.e., crosswise direction of the film, of 2/3-3/2, a thickness variation of the film of not more than 5%, and a void content of 5-50% by volume, and manufacture thereof. The polyester film having fine voids of the present invention has an extremely superior isotropy, excellent tear resistance, extremely superior water resistance, moisture absorption, dimensional stability, surface stability, gloss and vividness of printed matters, and mechanical strength, which have been particularly achieved by making apparent specific gravity and inplane birefringence fall within a specific range mentioned above. The thermoplastic resin film having fine voids of the present invention suffers less from curling by heat, which has been achieved by making (L1/L2), thickness variation and void content fall within a specific range mentioned above.

    摘要翻译： 一种具有微细空隙的聚酯膜，其包含聚酯混合物，其包含聚酯树脂和与所述聚酯树脂不相容的热塑性树脂（B），并且其表观比重为0.6-1.3，并且由下式确定的面内双折射： 平面双折射率=沿着横向主轴的纵向主轴折射率的折射率为-0.02至+0.04，并且其制造。 一种具有微细空隙的热塑性树脂膜，其包含含有热塑性树脂（A）和与所述热塑性树脂（A）不相容的热塑性树脂（B））的聚合物混合物，其具有平均长度（L1 / L2） （L1）在膜的长度方向上的截面处的空隙的长度方向，与沿着所述长度方向成直角的方向的截面的空隙的平均长度（L2），即 膜的2 / 3-3 / 2，膜的厚度变化不大于5％，空隙含量为5-50体积％，并且其制造。 具有本发明的微细空隙的聚酯膜具有非常优异的各向同性，优异的抗撕裂性，特别优异的耐水性，吸湿性，尺寸稳定性，表面稳定性，印刷物的光泽和鲜艳度以及机械强度。 通过使表观比重和面内双折射落入上述特定范围内。 本发明的具有微细空隙的热塑性树脂薄膜通过使（L1 / L2），厚度变化和空隙率落在上述特定范围内而实现的热量卷曲不足。

    Film having fine voids and manufacture thereof
    8.
    发明授权
    Film having fine voids and manufacture thereof 失效
    薄膜具有细小的空隙及其制造

    公开(公告)号：US5843578A

    公开(公告)日：1998-12-01

    申请号：US966953

    申请日：1997-11-10

    申请人： Yasushi Sasaki ,  Ken-ichi Mori ,  Katsuya Ito ,  Toshitake Suzuki

    发明人： Yasushi Sasaki ,  Ken-ichi Mori ,  Katsuya Ito ,  Toshitake Suzuki

    IPC分类号： C08J5/18 ,  C08L23/02 ,  C08L25/08 ,  C08L33/06 ,  C08L55/02 ,  C08L67/02 ,  C08L69/00 ,  C08L71/12 ,  C08L81/06 ,  B32B27/06

    CPC分类号： C08J5/18 ,  C08L67/02 ,  C08J2367/02 ,  C08L23/02 ,  C08L25/08 ,  C08L33/06 ,  C08L55/02 ,  C08L69/00 ,  C08L71/12 ,  C08L81/06 ,  Y10T428/249978 ,  Y10T428/31786 ,  Y10T428/31797

    摘要： A polyester film having fine voids, which comprises a polymer mixture comprising a polyester resin and a thermoplastic resin (B) incompatible with said polyester resin, and which has an apparent specific gravity of 0.6-1.3 and an inplane birefringence as determined from the equation: inplane birefringence=refractive index along lengthwise principal axis-refractive index along crosswise principal axis, of from -0.02 to +0.04, and manufacture thereof. A thermoplastic resin film having fine voids, which comprises a polymer mixture comprising a thermoplastic resin (A) and a thermoplastic resin (B) incompatible with said thermoplastic resin (A), and which has a ratio (L1/L2) of an average length (L1) of the voids at a cross section in the lengthwise direction of the film, to an average length (L2) of the voids at a cross section in the direction forming a right angle with said lengthwise direction, i.e., crosswise direction of the film, of 2/3-3/2, a thickness variation of the film of not more than 5%, and a void content of 5-50% by volume, and manufacture thereof. The polyester film having fine voids of the present invention has an extremely superior isotropy, excellent tear resistance, extremely superior water resistance, moisture absorption, dimensional stability, surface stability, gloss and vividness of printed matters, and mechanical strength, which have been particularly achieved by making apparent specific gravity and inplane birefringence fall within a specific range mentioned above. The thermoplastic resin film having fine voids of the present invention suffers less from curling by heat, which has been achieved by making (L1/L2), thickness variation and void content fall within a specific range mentioned above.

    摘要翻译： 一种具有微细空隙的聚酯膜，其包含聚酯混合物，其包含聚酯树脂和与所述聚酯树脂不相容的热塑性树脂（B），并且其表观比重为0.6-1.3，并且由下式确定的面内双折射： 平面双折射率=沿着横向主轴的纵向主轴折射率的折射率为-0.02至+0.04，并且其制造。 一种具有微细空隙的热塑性树脂膜，其包含含有热塑性树脂（A）和与所述热塑性树脂（A）不相容的热塑性树脂（B））的聚合物混合物，其具有平均长度（L1 / L2） （L1）在膜的长度方向上的截面处的空隙的长度方向，与沿着所述长度方向成直角的方向的截面的空隙的平均长度（L2），即 膜的2 / 3-3 / 2，膜的厚度变化不大于5％，空隙含量为5-50体积％，并且其制造。 具有本发明的微细空隙的聚酯膜具有非常优异的各向同性，优异的抗撕裂性，特别优异的耐水性，吸湿性，尺寸稳定性，表面稳定性，印刷物的光泽和鲜艳度以及机械强度。 通过使表观比重和面内双折射落入上述特定范围内。 本发明的具有微细空隙的热塑性树脂薄膜通过使（L1 / L2），厚度变化和空隙率落在上述特定范围内而实现的热量卷曲不足。