公开(公告)号：US08652590B2

公开(公告)日：2014-02-18

申请号：US13000331

申请日：2009-05-21

申请人： Takashi Takebe ,  Masataka Takimoto ,  Nobuo Kubo

发明人： Takashi Takebe ,  Masataka Takimoto ,  Nobuo Kubo

IPC分类号： G02F1/1335

CPC分类号： G02B5/3033 ,  Y10T428/105 ,  Y10T428/23986 ,  Y10T428/24198

摘要： Disclosed is a polarizing plate having low moisture absorption, wherein fading deterioration of a polarizer is improved. A liquid crystal display using the polarizing plate is also disclosed. The polarizing plate is obtained by sandwiching a polarizer composed of a polyvinyl alcohol with an acrylic film (a) having a water vapor permeability of 100-500 g/m2·24 hr and a cellulose ester film (b1) containing no phosphate plasticizer or a cellulose ester film (b2) containing a phosphate plasticizer and an acid scavenger. The polarizing plate is arranged on at least one side of a liquid crystal cell, with the cellulose ester film (b1) or (B2) being on the liquid crystal cell side.

摘要翻译： 公开了一种具有低吸湿性的偏振片，其中提高了偏振片的衰减劣化。 还公开了使用偏振片的液晶显示器。 偏光板是通过将由聚乙烯醇构成的偏振片与水蒸气透过度为100〜500g / m 2·24hr的丙烯酸膜（a）和不含磷酸盐增塑剂的纤维素酯膜（b1）夹持而得到的， 纤维素酯膜（b2），含有磷酸盐增塑剂和酸清除剂。 偏光板配置在液晶单元的至少一侧，纤维素酯薄膜（b1）或（B2）在液晶单元侧。

公开(公告)号：US20100292368A1

公开(公告)日：2010-11-18

申请号：US12863706

申请日：2008-10-15

申请人： Takashi Takebe ,  Masataka Takimoto ,  Nobuo Kubo

发明人： Takashi Takebe ,  Masataka Takimoto ,  Nobuo Kubo

IPC分类号： C08L1/10

CPC分类号： C08L1/10 ,  C08J5/18 ,  C08J2301/14 ,  C08J2333/08 ,  C08L1/00 ,  C08L1/14 ,  C08L33/08 ,  C08L101/00 ,  C08L2205/02 ,  G02B5/305 ,  G02F1/133528 ,  G02F2201/503 ,  C08L2666/04 ,  C08L2666/26

摘要： Object of the present invention is to provide an acrylic-resin-containing film which exhibits high transparency, high heat resistance, and markedly improved brittleness, a polarizing plate using the acrylic-resin-containing film which improves a yield of operation such as punching of a polarizing plate or bonding panels and a liquid crystal display device which can keep to exhibit excellent visibility in long-terms usage in harsh environment. These objects have been achieved by the acrylic-resin-containing film comprising a acrylic resin (A) and a cellulose ester resin (B), or comprising the acrylic resin (A), the cellulose ester resin (B) and at least a resin (D) which is other than the resins (A) and (B) and has a glass transition temperature Tg of 120-300° C. The film is characterized in that it has a haze of less than 2%, a tensile softening point of 120-150° C. and undergoes no ductile fracture.

摘要翻译： 本发明的目的是提供一种具有高透明性，高耐热性和显着提高脆性的含丙烯酸树脂的膜，使用含丙烯酸树脂的膜的偏光板，其提高了操作的成品率，例如冲压 偏振板或粘合面板和液晶显示装置，其可以在恶劣环境中长期使用时能够保持良好的可视性。 这些目的已经通过包含丙烯酸树脂（A）和纤维素酯树脂（B）的丙烯酸树脂膜或包含丙烯酸树脂（A），纤维素酯树脂（B）和至少一种树脂 （D），其不同于树脂（A）和（B），玻璃化转变温度Tg为120-300℃。该膜的特征在于其雾度小于2％，拉伸软化点 为120-150℃，不发生韧性断裂。

公开(公告)号：US20110308712A1

公开(公告)日：2011-12-22

申请号：US13203669

申请日：2010-02-01

申请人： Takashi Takebe ,  Masataka Takimoto ,  Nobuo Kubo

发明人： Takashi Takebe ,  Masataka Takimoto ,  Nobuo Kubo

IPC分类号： B32B38/18

CPC分类号： G02B5/3033 ,  C08K5/103 ,  C08L1/02 ,  C08L33/04 ,  Y10T156/1075 ,  C08L2666/26

摘要： Disclosed is a process for producing a polarizing plate which is transparent, has resistance against high temperatures and high humidity, and is significantly improved in brittleness. Specifically disclosed is a process for producing a polarizing plate comprising two polarizing plate protective films and a polarizer intercalated between the polarizing plate protective films, which is characterized in that at least one of the two polarizing plate protective films is an acrylic film comprising an acrylic resin (A) and a cellulose ester resin (B) at a ratio of 85:15 to 55:45 by mass, and the acrylic film is drawn in at least one direction at a draw ratio of 10 to 150% inclusive and is subsequently bonded to the polarizer with an aqueous adhesive agent.

摘要翻译： 公开了透明的耐高温和高湿度的偏振片的制造方法，脆性显着提高。 具体公开了一种偏振片的制造方法，其特征在于，所述两个偏振片保护膜中的至少一个是包含丙烯酸树脂的丙烯酸类膜，所述偏振片包含两片偏振片保护膜和夹在所述偏振片保护膜之间的偏振片 （A）和纤维素酯树脂（B）的比例为85:15〜55:45，丙烯酸类膜以至少一个方向拉伸，拉伸比例为10〜150％，随后粘合 用水性粘合剂涂覆在偏光片上。

公开(公告)号：US08470448B2

公开(公告)日：2013-06-25

申请号：US12863735

申请日：2008-10-15

申请人： Takashi Takebe ,  Masataka Takimoto ,  Nobuo Kubo

发明人： Takashi Takebe ,  Masataka Takimoto ,  Nobuo Kubo

IPC分类号： B32B27/00 ,  C09K19/00

CPC分类号： C08J5/18 ,  C08J2333/08 ,  C08L1/10 ,  C08L1/14 ,  C08L33/08 ,  C08L101/00 ,  C08L2205/03 ,  G02B5/305 ,  Y10T428/10 ,  Y10T428/261 ,  Y10T428/31855 ,  C08L2666/26 ,  C08L2666/02

摘要： An acryl resin-containing film which is transparent and highly heat-resistant and has been significantly improved in brittleness is disclosed, satisfying the following equations (1) to (4), exhibiting a tension softening point of 105 to 145° C. and a photoelastic coefficient of −5.0×10−8 to 8.0×10−8 cm2/N, while causing no ductile fracture. There is also disclosed a liquid crystal display which has achieved an improved yield in works of stamping a polarizing plate or sticking the plate to a panel and reduced color shift occurred depending on viewing angle. |Ro(589)|≦10 nm  Equation (1) |Rth(589)|≦20 nm  Equation (2) |Ro(480)−Ro(630)|≦5 nm  Equation (3) |Rth(480)−Rth(630)|≦10 nm  Equation (4) Numerical values of 589, 480 and 630 in parentheses represent the wavelength (nm) of a light used to measure an individual birefringence.

摘要翻译： 公开了一种透明且高耐热且脆性显着改善的含丙烯酸树脂的膜，其满足下列等式（1）至（4），其拉伸软化点为105〜145℃， 光弹性系数为-5.0×10-8〜8.0×10-8 cm2 / N，同时不引起韧性断裂。 还公开了一种液晶显示器，其在冲压偏振片或将板粘贴到面板上的工作中获得了提高的产量，并且根据视角发生了减少的颜色偏移。 | Ro（589）| @ 10nmEquation（1）| Rth（589）| @ 20nmEquation（2）| Ro（480）-Ro（630）| @ 5nmEquation（3）| Rth（480）-Rth ）| @ 10 nmEquation（4）括号中589,480和630的数值表示用于测量单个双折射的光的波长（nm）。

公开(公告)号：US08361264B2

公开(公告)日：2013-01-29

申请号：US13203669

申请日：2010-02-01

申请人： Takashi Takebe ,  Masataka Takimoto ,  Nobuo Kubo

发明人： Takashi Takebe ,  Masataka Takimoto ,  Nobuo Kubo

IPC分类号： B32B38/18 ,  B32B37/00 ,  B29C65/00

CPC分类号： G02B5/3033 ,  C08K5/103 ,  C08L1/02 ,  C08L33/04 ,  Y10T156/1075 ,  C08L2666/26

摘要： Disclosed is a process for producing a polarizing plate which is transparent, has resistance against high temperatures and high humidity, and is significantly improved in brittleness. Specifically disclosed is a process for producing a polarizing plate comprising two polarizing plate protective films and a polarizer intercalated between the polarizing plate protective films, which is characterized in that at least one of the two polarizing plate protective films is an acrylic film comprising an acrylic resin (A) and a cellulose ester resin (B) at a ratio of 85:15 to 55:45 by mass, and the acrylic film is drawn in at least one direction at a draw ratio of 10 to 150% inclusive and is subsequently bonded to the polarizer with an aqueous adhesive agent.

摘要翻译： 公开了透明的耐高温和高湿度的偏振片的制造方法，脆性显着提高。 具体公开了一种偏振片的制造方法，其特征在于，所述两个偏振片保护膜中的至少一个是包含丙烯酸树脂的丙烯酸类膜，所述偏振片包含两片偏振片保护膜和夹在所述偏振片保护膜之间的偏振片 （A）和纤维素酯树脂（B）的比例为85:15〜55:45，丙烯酸类膜以至少一个方向拉伸，拉伸比例为10〜150％，随后粘合 用水性粘合剂涂覆在偏光片上。

公开(公告)号：US08202937B2

公开(公告)日：2012-06-19

申请号：US12750464

申请日：2010-03-30

申请人： Takashi Takebe ,  Masataka Takimoto ,  Nobuo Kubo

发明人： Takashi Takebe ,  Masataka Takimoto ,  Nobuo Kubo

IPC分类号： C08B37/00

CPC分类号： C08B3/16 ,  C08L1/14 ,  Y10T428/31971 ,  Y10T428/31975

摘要： The present invention is to provide an optical film which exhibits low hygroscopicity, high transparency, high heat resistance and markedly lowered brittleness, and particularly to provide an optical film which is appropriately employed as a polarizing plate protective film for large liquid crystal display devices and outdoor liquid crystal display devices. The above optical film is characterized in that acrylic resin (A) and cellulose ester resin (B) are incorporated at a weight ratio of 95:5-30:70, weight average molecular weight Mw of aforesaid acrylic resin (A) is at least 80,000, total substitution degree (T) of the acyl group of aforesaid cellulose ester resin (B) is 2.0-3.0, the substitution degree of the acyl group having 3-7 carbon atoms is 1.2-3.0, and weight average molecular weight Mw of aforesaid cellulose ester resin (B) is at least 75,000. It is characterized that the total substitution degree of the acyl group other than carbon atoms of 3-7 of the cellulose ester resin (B) is at most 1.3.

摘要翻译： 本发明提供一种具有低吸湿性，高透明性，高耐热性和显着降低的脆性的光学膜，特别是提供适合用作大型液晶显示装置的偏振片保护膜和室外的光学膜 液晶显示装置。 上述光学膜的特征在于丙烯酸树脂（A）和纤维素酯树脂（B）的重量比为95:5〜30:70，上述丙烯酸树脂（A）的重均分子量Mw至少为 80,000，上述纤维素酯树脂（B）的酰基的总取代度（T）为2.0〜3.0，碳原子数3-7的酰基的取代度为1.2〜3.0，重均分子量Mw 上述纤维素酯树脂（B）为75,000以上。 其特征在于，纤维素酯树脂（B）的3-7以外的碳原子的酰基的总取代度为1.3以下。

公开(公告)号：US20110090434A1

公开(公告)日：2011-04-21

申请号：US13000331

申请日：2009-05-21

申请人： Takashi Takebe ,  Masataka Takimoto ,  Nobuo Kubo

发明人： Takashi Takebe ,  Masataka Takimoto ,  Nobuo Kubo

IPC分类号： G02F1/1335

CPC分类号： G02B5/3033 ,  Y10T428/105 ,  Y10T428/23986 ,  Y10T428/24198

摘要： Disclosed is a polarizing plate having low moisture absorption, wherein fading deterioration of a polarizer is improved. A liquid crystal display using the polarizing plate is also disclosed. The polarizing plate is obtained by sandwiching a polarizer composed of a polyvinyl alcohol with an acrylic film (a) having a water vapor permeability of 100-500 g/m2·24 hr and a cellulose ester film (b1) containing no phosphate plasticizer or a cellulose ester film (b2) containing a phosphate plasticizer and an acid scavenger. The polarizing plate is arranged on at least one side of a liquid crystal cell, with the cellulose ester film (b1) or (B2) being on the liquid crystal cell side.

摘要翻译： 公开了一种具有低吸湿性的偏振片，其中提高了偏振片的衰减劣化。 还公开了使用偏振片的液晶显示器。 偏光板是通过将由聚乙烯醇构成的偏振片与水蒸气透过度为100〜500g / m 2·24hr的丙烯酸膜（a）和不含磷酸盐增塑剂的纤维素酯膜（b1）夹持而得到的， 纤维素酯膜（b2），含有磷酸盐增塑剂和酸清除剂。 偏光板配置在液晶单元的至少一侧，纤维素酯薄膜（b1）或（B2）在液晶单元侧。

公开(公告)号：US07709572B2

公开(公告)日：2010-05-04

申请号：US12245068

申请日：2008-10-03

申请人： Takashi Takebe ,  Masataka Takimoto ,  Nobuo Kubo

发明人： Takashi Takebe ,  Masataka Takimoto ,  Nobuo Kubo

IPC分类号： C08B37/00

CPC分类号： C08B3/16 ,  C08L1/14 ,  Y10T428/31971 ,  Y10T428/31975

摘要： The present invention is to provide an optical film which exhibits low hygroscopicity, high transparency, high heat resistance and markedly lowered brittleness, and particularly to provide an optical film which is appropriately employed as a polarizing plate protective film for large liquid crystal display devices and outdoor liquid crystal display devices. The above optical film is characterized in that acrylic resin (A) and cellulose ester resin (B) are incorporated at a weight ratio of 95:5-30:70, weight average molecular weight Mw of aforesaid acrylic resin (A) is at least 80,000, total substitution degree (T) of the acyl group of aforesaid cellulose ester resin (B) is 2.0-3.0, the substitution degree of the acyl group having 3-7 carbon atoms is 1.2-3.0, and weight average molecular weight Mw of aforesaid cellulose ester resin (B) is at least 75,000. It is characterized that the total substitution degree of the acyl group other than carbon atoms of 3-7 of the cellulose ester resin (B) is at most 1.3.

摘要翻译： 本发明提供一种具有低吸湿性，高透明性，高耐热性和显着降低的脆性的光学膜，特别是提供适合用作大型液晶显示装置的偏振片保护膜和室外的光学膜 液晶显示装置。 上述光学膜的特征在于丙烯酸树脂（A）和纤维素酯树脂（B）的重量比为95:5〜30:70，上述丙烯酸树脂（A）的重均分子量Mw至少为 80,000，上述纤维素酯树脂（B）的酰基的总取代度（T）为2.0〜3.0，碳原子数3-7的酰基的取代度为1.2〜3.0，重均分子量Mw 上述纤维素酯树脂（B）为75,000以上。 其特征在于，纤维素酯树脂（B）的3-7以外的碳原子的酰基的总取代度为1.3以下。

公开(公告)号：US08449955B2

公开(公告)日：2013-05-28

申请号：US12809110

申请日：2008-07-22

申请人： Masataka Takimoto ,  Nobuo Kubo ,  Takashi Takebe

发明人： Masataka Takimoto ,  Nobuo Kubo ,  Takashi Takebe

IPC分类号： G02F1/13363 ,  G02B5/30 ,  C08L1/10 ,  C08L1/12 ,  G02F1/1335 ,  C08L33/08

CPC分类号： G02F1/133528 ,  C08F220/14 ,  C08J5/18 ,  C08J2333/08 ,  C08L1/10 ,  C08L1/12 ,  C08L1/14 ,  C08L33/08 ,  G02B5/3033 ,  G02F1/13363 ,  G02F2201/50 ,  G02F2202/40 ,  Y10T428/10 ,  Y10T428/1041 ,  C08L2666/04 ,  C08L2666/26 ,  C08F2220/1825 ,  C08F222/1006

摘要： This invention provides an acrylic resin containing film, which is transparent and highly heat resistant and has significantly improved brittleness, and a polarizing plate using the acrylic resin containing film. Further yield in punching work and laminating work of the polarizing late is improved and a liquid crystal display device which can maintain good visibility in long term use is also provided by the polarizing plate. The acrylic resin containing film is composed mainly of an acrylic resin and is characterized in that the film contains the acrylic resin and the cellulose ester resin in a weight ratio of 51:49 to 95:5 and further contains a retardation control agent.

摘要翻译： 本发明提供一种透明且高耐热且脆性显着提高的含丙烯酸树脂膜，以及使用含丙烯酸树脂膜的偏光板。 提高冲压加工和极化后期的层压工作的进一步提高，并且也可以通过偏振片提供能够长期使用的能够保持良好的可视性的液晶显示装置。 含有丙烯酸树脂的膜主要由丙烯酸树脂组成，其特征在于，该膜含有丙烯酸树脂和纤维素酯树脂，重量比为51:49〜95:5，并且还含有延迟控制剂。

公开(公告)号：US08168702B2

公开(公告)日：2012-05-01

申请号：US12863706

申请日：2008-10-15

申请人： Takashi Takebe ,  Masataka Takimoto ,  Nobuo Kubo

发明人： Takashi Takebe ,  Masataka Takimoto ,  Nobuo Kubo

IPC分类号： C08L1/10 ,  C09D101/18

CPC分类号： C08L1/10 ,  C08J5/18 ,  C08J2301/14 ,  C08J2333/08 ,  C08L1/00 ,  C08L1/14 ,  C08L33/08 ,  C08L101/00 ,  C08L2205/02 ,  G02B5/305 ,  G02F1/133528 ,  G02F2201/503 ,  C08L2666/04 ,  C08L2666/26

摘要： Object of the present invention is to provide an acrylic-resin-containing film which exhibits high transparency, high heat resistance, and markedly improved brittleness, a polarizing plate using the acrylic-resin-containing film which improves a yield of operation such as punching of a polarizing plate or bonding panels and a liquid crystal display device which can keep to exhibit excellent visibility in long-terms usage in harsh environment. These objects have been achieved by the acrylic-resin-containing film comprising a acrylic resin (A) and a cellulose ester resin (B), or comprising the acrylic resin (A), the cellulose ester resin (B) and at least a resin (D) which is other than the resins (A) and (B) and has a glass transition temperature Tg of 120-300° C. The film is characterized in that it has a haze of less than 2%, a tensile softening point of 120-150° C. and undergoes no ductile fracture.

摘要翻译： 本发明的目的是提供一种具有高透明性，高耐热性和显着提高脆性的含丙烯酸树脂的膜，使用含丙烯酸树脂的膜的偏光板，其提高了操作的成品率，例如冲压 偏振板或粘合面板和液晶显示装置，其可以在恶劣环境中长期使用时能够保持良好的可视性。 这些目的已经通过包含丙烯酸树脂（A）和纤维素酯树脂（B）的丙烯酸树脂膜或包含丙烯酸树脂（A），纤维素酯树脂（B）和至少一种树脂 （D），其不同于树脂（A）和（B），玻璃化转变温度Tg为120-300℃。该膜的特征在于其雾度小于2％，拉伸软化点 为120-150℃，不发生韧性断裂。