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1.发明申请PROCESS FOR PRODUCING PRECURSOR FILM FOR RETARDATION FILM MADE OF POLYPROPYLENE RESIN 审中-公开生产用于聚丙烯树脂延伸膜的前置膜的方法公开(公告)号：US20100283177A1
公开(公告)日：2010-11-11
申请号：US12679079
申请日：2008-09-18
申请人： Hiroaki Takahata , Yoshinori Takahashi , Kyoko Hino , Yoshiaki Ishigami , Shuji Ozaki , Shuji Fujioka
发明人： Hiroaki Takahata , Yoshinori Takahashi , Kyoko Hino , Yoshiaki Ishigami , Shuji Ozaki , Shuji Fujioka
IPC分类号： B29C47/52
CPC分类号： B29C48/9155 , B29C48/08 , B29C48/914
摘要： There is provided a process for producing a precursor film for a polypropylene-based resin retardation film that can yield films with almost no orientation and with high transparency.The process for producing a precursor film for a polypropylene-based resin retardation film comprises a step of pressing a molten sheet formed by extruding a molten polypropylene-based resin from a T-shaped die 12 at 180° C. or higher and 300° C. or lower between a cooling roll 16 having a surface temperature regulated to −5° C. or higher and 30° C. or lower and a touch roll 14 having a surface temperature regulated to 80° C. or higher and 150° C. or lower, whereby the molten sheet is cooled and solidified.
摘要翻译： 提供了一种用于制造聚丙烯基树脂延迟膜的前体膜的方法，其可以产生几乎没有取向和高透明度的膜。 制造聚丙烯类树脂延迟膜用前体膜的方法包括：将来自T型模具12的熔融聚丙烯类树脂挤出成形为180℃以上且300℃以下的熔融片材的工序 在表面温度调节为-5℃以上且30℃以下的冷却辊16和表面温度调节为80℃以上且150℃以下的接触辊14之间或之下。 或更低，由此熔融的片材被冷却和固化。
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公开(公告)号：US20100283191A1
公开(公告)日：2010-11-11
申请号：US12679267
申请日：2008-09-18
IPC分类号： B29C55/06
CPC分类号： B29C55/06 , B29K2023/12 , B29K2995/0034 , G02B5/30
摘要： The process has a step of longitudinally stretching a thermoplastic resin film F by heating and floating the thermoplastic resin film F by blowing hot wind supplied from slit 20a of each nozzle 20, and simultaneously, rotating nip rolls 30A, 30B, 32A, 32B at different rotation rates. Each slit 20a of the nozzle 20 extends in the width direction of the thermoplastic resin film F. Provided that, with respect to each slit of each nozzle, the product of the wind velocity of hot wind blown from the slit A (m/s) and the width of the slit B (m) is represented by C (m2/s), and the sum total of the products C of all the slits provided in a single nozzle is represented by Q, Q of each nozzle is 3×10−2 m2/s or more and 1×10−1 m2/s or less; and the wind velocity A of the hot wind blown from each slit is 2 m/s or more and 15 m/s or less.
摘要翻译： 该方法具有通过从每个喷嘴20的狭缝20a供给的热风加热和漂浮热塑性树脂膜F来纵向拉伸热塑性树脂膜F的步骤，同时使夹持辊30A，30B，32A，32B以不同的方式旋转 转速。 喷嘴20的每个狭缝20a在热塑性树脂膜F的宽度方向上延伸。假设相对于每个喷嘴的每个狭缝，从狭缝A吹送的热风的风速（m / s） 并且狭缝B（m）的宽度由C（m2 / s）表示，并且设置在单个喷嘴中的所有狭缝的乘积C的总和为Q，每个喷嘴的Q为3×10 -2 m2 / s以上1×10-1 m2 / s以下; 从每个狭缝吹出的热风的风速A为2m / s以上且15m / s以下。
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公开(公告)号：US20100276826A1
公开(公告)日：2010-11-04
申请号：US12679285
申请日：2008-09-17
IPC分类号： B29D11/00
CPC分类号： B29C55/08 , B29K2995/0034 , G02B5/3083
摘要： A method for producing a retardation film by a tenter method, in which a thermoplastic resin film 20 is stretched in the width direction thereof while heating the film with hot air supplied from blowout ports of a plurality of nozzles 30, 32 provided on the upper and lower portions of an oven 100, having a preheating step of heating the thermoplastic resin film 20 with hot air; a stretching step of stretching the thermoplastic resin film 20 preheated while heating it with hot air to obtain a stretched film 22; and a heat setting step of heating the stretched film 22 with hot air, in which, in the preheating step, the stretching step and/or the heat setting step, an air blow velocity at the blowout port of hot air to be used is 2 to 12 m/second and air blow amount per nozzle is 0.1 to 1 m3/second per meter of the length of the nozzle along the width direction of the film.
摘要翻译： 一种通过拉幅机制造延迟膜的方法，其中热塑性树脂膜20在宽度方向上拉伸，同时用设置在上部的多个喷嘴30,32的吹出口供应的热空气加热膜，以及 具有用热空气加热热塑性树脂膜20的预热步骤的烘箱100的下部; 将热塑性树脂膜20拉伸，同时用热风加热而拉伸的拉伸工序，得到拉伸膜22; 以及在热预热步骤中进行拉伸工序和/或热定形工序的热风加热拉伸膜22的热定形工序，所使用的热风吹出口的吹气速度为2 至12m /秒，并且喷嘴沿着膜的宽度方向每喷嘴长度每喷嘴吹气量为0.1至1m 3 /秒。
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公开(公告)号：US20100258960A1
公开(公告)日：2010-10-14
申请号：US12679282
申请日：2008-09-17
IPC分类号： B29D11/00
CPC分类号： B29C48/9155 , B29C48/07 , B29C48/08 , B29C48/914 , B29C48/9145 , B29C48/92 , B29C2948/92704 , B29C2948/92923
摘要： There is provided a process for producing an optical thermoplastic resin film that can yield films with almost no orientation and with high transparency.The process for producing an optical thermoplastic resin film comprises a molding step of discharging a molten thermoplastic resin from a T-shaped die, and thereby molding it into a film form, and a cooling step of cooling and solidifying the molten resin molded in a film form by pressing it with a metal cooling roll 16 and a touch roll 14 in which a rubber roll 14b are disposed inside a tubular metal belt 14a, whereby the molten resin is cooled and solidified. In the cooling step, the surface temperature Ti of the cooling roll 16 is set so as to satisfy the condition represented by the following formula (1), while the surface temperature T2 of the belt 14a is set so as to satisfy the condition represented by the following formula (2). Tg−30° C.≦T1+50° C. (1) T1+10° C.≦T2≦T1+150° C. (2)
摘要翻译： 提供了一种制造光学热塑性树脂膜的方法，其可以产生几乎没有取向和高透明度的膜。 光学热塑性树脂膜的制造方法包括从T字形模具排出熔融热塑性树脂，从而将其成型为薄膜状的成型工序，以及将成型为薄膜的熔融树脂冷却固化的冷却工序 通过用金属冷却辊16和接触辊14压入其中，其中橡胶辊14b设置在管状金属带14a内，由此使熔融树脂冷却和固化。 在冷却步骤中，将冷却辊16的表面温度Ti设定为满足下述式（1）所示的条件，同时将带14a的表面温度T2设定为满足条件 以下公式（2）。 （1）T1 + 10℃＆lt; T2＆nlE; T1 + 150℃（2）Tg-30℃＆lt; T1 +
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公开(公告)号：US08217117B2
公开(公告)日：2012-07-10
申请号：US12679232
申请日：2008-09-18
申请人： Kyoko Hino , Hiroaki Takahata , Ayako Yada
发明人： Kyoko Hino , Hiroaki Takahata , Ayako Yada
CPC分类号： C08J5/18 , C08J2323/10 , C08L23/0815 , C08L23/10 , C08L23/14 , C08L2314/06 , C08L2666/06
摘要： An optical film having at least one layer formed of a polyolefin based resin composition containing 8 to 30 wt % of a component (A) defined below and 92 to 70 wt % of a component (B) defined below, with the proviso that the total of the component (A) and the component (B) is 100 wt %: component (A): an olefin based polymer with which neither a crystal fusion peak having a crystal fusion heat of 30 J/g or more nor a crystallization peak having a crystallization heat of 30 J/g or more to be observed in the range of −50 to 200° C. is observed in a differential scanning calorimetry measurement according to JIS K 7122; and component (B): a propylene based polymer with which a crystal fusion peak having a crystal fusion heat larger than 30 J/g or a crystallization peak having a crystallization heat larger than 30 J/g to be observed in the range of −50 to 200° C. is observed in a differential scanning calorimetry measurement according to JIS K 7122.
摘要翻译： 一种光学膜，其具有由含有8〜30重量％的下述（A）成分和92〜70重量％的下述（B）成分的聚烯烃类树脂组合物形成的层，其条件是， 的组分（A）和组分（B）的重量百分数为100重量％：组分（A）：不具有30J / g以上的结晶熔解热的结晶熔融峰，也不具有结晶峰的烯烃系聚合物， 在根据JIS K 7122的差示扫描量热法测定中观察到在-50〜200℃的范围内观察到的结晶热为30J / g以上。 和组分（B）：在-50℃范围内观察到具有大于30J / g的结晶热熔融结晶结晶峰或结晶热大于30J / g的结晶峰的丙烯基聚合物 在根据JIS K 7122的差示扫描量热测量中观察到至200℃。
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6.发明授权公开(公告)号：US07365815B2
公开(公告)日：2008-04-29
申请号：US11149442
申请日：2005-06-10
申请人： Kyoko Hino , Toshihiko Suzuki , Hiroaki Takahata , Ryuma Kuroda
发明人： Kyoko Hino , Toshihiko Suzuki , Hiroaki Takahata , Ryuma Kuroda
IPC分类号： G02F1/1335 , G02F1/1343 , G02B15/15
CPC分类号： G02B5/3083 , G02F1/133634
摘要： Disclosed is a phase retardation film including two outer layers facing each other, and an inner layer interposed between the outer layers, each of the outer layers are formed of a non-styrene polymeric material and the inner layer being formed of a polymeric material with a negative intrinsic birefringence, wherein the phase retardation film has a negative intrinsic birefringence and a Haze from 0% to 1%. A liquid crystal display device including the phase retardation film is also disclosed.
摘要翻译： 公开了一种相位延迟膜，其包括彼此面对的两个外层和插入在外层之间的内层，每个外层由非苯乙烯聚合物材料形成，并且内层由具有 负固有双折射，其中相位延迟膜具有负固有双折射和0％至1％的雾度。 还公开了包括相位延迟膜的液晶显示装置。
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公开(公告)号：US20100222517A1
公开(公告)日：2010-09-02
申请号：US12679232
申请日：2008-09-18
申请人： Kyoko Hino , Hiroaki Takahata , Ayako Yada
发明人： Kyoko Hino , Hiroaki Takahata , Ayako Yada
IPC分类号： C08L23/12
CPC分类号： C08J5/18 , C08J2323/10 , C08L23/0815 , C08L23/10 , C08L23/14 , C08L2314/06 , C08L2666/06
摘要： An optical film having at least one layer formed of a polyolefin based resin composition containing 8 to 30 wt % of a component (A) defined below and 92 to 70 wt % of a component (B) defined below, with the proviso that the total of the component (A) and the component (B) is 100 wt %: component (A): an olefin based polymer with which neither a crystal fusion peak having a crystal fusion heat of 30 J/g or more nor a crystallization peak having a crystallization heat of 30 J/g or more to be observed in the range of −50 to 200° C. is observed in a differential scanning calorimetry measurement according to JIS K 7122; and component (B): a propylene based polymer with which a crystal fusion peak having a crystal fusion heat larger than 30 J/g or a crystallization peak having a crystallization heat larger than 30 J/g to be observed in the range of −50 to 200° C. is observed in a differential scanning calorimetry measurement according to JIS K 7122.
摘要翻译： 一种光学膜，其具有由含有8〜30重量％的下述（A）成分和92〜70重量％的下述（B）成分的聚烯烃类树脂组合物形成的层，其条件是， 的组分（A）和组分（B）的重量百分数为100重量％：组分（A）：不具有30J / g以上的结晶熔解热的结晶熔融峰，也不具有结晶峰的烯烃系聚合物， 在根据JIS K 7122的差示扫描量热法测定中观察到在-50〜200℃的范围内观察到的结晶热为30J / g以上。 和组分（B）：在-50℃范围内观察到具有大于30J / g的结晶热熔融结晶结晶峰或结晶热大于30J / g的结晶峰的丙烯基聚合物 在根据JIS K 7122的差示扫描量热测量中观察到至200℃。
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公开(公告)号：US07744969B2
公开(公告)日：2010-06-29
申请号：US12293347
申请日：2007-03-23
申请人： Kyoko Hino , Toshihiko Suzuki , Hiroaki Takahata
发明人： Kyoko Hino , Toshihiko Suzuki , Hiroaki Takahata
CPC分类号： B29C55/143 , B29K2023/12 , B29K2995/0034 , G02B5/3083 , G02F1/133634 , Y10S264/901 , Y10T428/10
摘要： The present invention provides a method for producing a retardation film of a polypropylene resin, the method comprising subjecting a film of a polypropylene resin to longitudinal stretching and transverse stretching which are performed sequentially, wherein the transverse stretching comprises the following steps, and a polypropylene resin retardation film which is obtained by such a method and has both a high axial retardation and a uniform retardation:a step of preheating the film at a preheating temperature which is equal to or higher than the melting point of the polypropylene resin;a step of stretching the preheated film in the transverse direction at a stretching temperature which is lower than the preheating temperature; anda step of heat setting the film stretched in the transverse direction.
摘要翻译： 本发明提供一种聚丙烯树脂的相位差膜的制造方法，其特征在于，将聚丙烯树脂的膜进行纵向拉伸和横向拉伸，其顺序进行，其中横向拉伸包括以下步骤，聚丙烯树脂 通过这种方法获得并具有高轴向延迟和均匀延迟的延迟膜：在等于或高于聚丙烯树脂的熔点的预热温度下预热膜的步骤; 在比预热温度低的拉伸温度下在宽度方向上拉伸预热膜的工序; 以及在横向上拉伸的膜热定形的步骤。
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9.发明申请PRECURSOR FILM FOR RETARDATION FILMS, RETARDATION FILM, AND LIQUID CRYSTAL DISPLAY DEVICE 审中-公开用于延迟膜，延迟膜和液晶显示装置的前置膜公开(公告)号：US20100149470A1
公开(公告)日：2010-06-17
申请号：US12593537
申请日：2007-09-25
IPC分类号： G02F1/13363 , G02B1/08
CPC分类号： G02B5/3083 , C08J5/18 , C08J2323/14 , C08J2353/00 , C09K19/02 , C09K19/544 , C09K2219/03 , Y10T428/1036
摘要： Provided is a film that is made of a propylene-based copolymer selected from among propylene-based random copolymers and propylene-based block copolymers, the film being useful as a precursor film for the production of a retardation film by stretching. The propylene-based copolymer forming the film contains crystals containing smectic crystals, wherein the percentage of smectic crystals to all the crystals of the propylene-based copolymer. The film has an in-plane retardation of 50 nm or less and a thickness falling within the range of 30 to 200 μm. The propylene-based copolymer is a copolymer that has a parameter (A) falling within the range of from 0.0007 to 0.1, the parameter (A) being calculated from Formula (1) defined for a stress-strain curve produced as a result of stretching a film made of the polymer at a tensile rate of 100 mm/minute at a temperature at which a stress of 0.8±0.1 MPa is produced at a strain of 200%: (A)=(B600−B200)/400 Formula (1) wherein B600 and B200 represent a stress (MPa) at a strain of 600% and a stress (MPa) at a strain of 200%, respectively.
摘要翻译： 提供一种由丙烯类无规共聚物和丙烯类嵌段共聚物中选出的丙烯系共聚物制成的膜，该膜可用作通过拉伸制造延迟膜的前体膜。 形成该膜的丙烯类共聚物含有含有近晶构成的结晶，其中，近晶构成对丙烯系共聚物的全部结晶的百分比。 该膜的面内相位差为50nm以下，厚度为30〜200μm的范围。 丙烯类共聚物是参数（A）在0.0007〜0.1的范围内的共聚物，由作为拉伸结果生成的应力 - 应变曲线而定义的式（1）计算出的参数（A） 在200％的应变下，在应力为0.8±0.1MPa的温度下以100mm /分钟的拉伸速度由聚合物制成的膜：（A）=（B600-B200）/ 400式（1 ），其中B600和B200分别表示应变为600％的应力（MPa）和应变为200％的应力（MPa）。
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公开(公告)号：US20090227756A1
公开(公告)日：2009-09-10
申请号：US12293347
申请日：2007-03-23
申请人： Kyoko Hino , Toshihiko Suzuki , Hiroaki Takahata
发明人： Kyoko Hino , Toshihiko Suzuki , Hiroaki Takahata
IPC分类号： C08F110/06 , B29C55/08 , B29C55/06
CPC分类号： B29C55/143 , B29K2023/12 , B29K2995/0034 , G02B5/3083 , G02F1/133634 , Y10S264/901 , Y10T428/10
摘要： The present invention provides a method for producing a retardation film of a polypropylene resin, the method comprising subjecting a film of a polypropylene resin to longitudinal stretching and transverse stretching which are performed sequentially, wherein the transverse stretching comprises the following steps, and a polypropylene resin retardation film which is obtained by such a method and has both a high axial retardation and a uniform retardation:a step of preheating the film at a preheating temperature which is equal to or higher than the melting point of the polypropylene resin;a step of stretching the preheated film in the transverse direction at a stretching temperature which is lower than the preheating temperature; anda step of heat setting the film stretched in the transverse direction.
摘要翻译： 本发明提供一种聚丙烯树脂的相位差膜的制造方法，其特征在于，将聚丙烯树脂的膜进行纵向拉伸和横向拉伸，其顺序进行，其中横向拉伸包括以下步骤，聚丙烯树脂 通过这种方法获得并具有高轴向延迟和均匀延迟的延迟膜：在等于或高于聚丙烯树脂的熔点的预热温度下预热膜的步骤; 在比预热温度低的拉伸温度下在宽度方向上拉伸预热膜的工序; 以及在横向上拉伸的膜热定形的步骤。
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