公开(公告)号：US20140318413A1

公开(公告)日：2014-10-30

申请号：US14327193

申请日：2014-07-09

Applicant: FUJIFILM Corporation

Inventor： Nobutaka FUKAGAWA ,  Masato NAGURA ,  Takayasu YASUDA ,  Takahiro OHNO ,  Satoshi TANAKA ,  Aiko YAMAMOTO ,  Aiko YOSHIDA ,  Shinya WATANABE

IPC: C08L1/10

CPC classification number: G02B5/3083 ,  B32B23/08 ,  B32B23/20 ,  B32B27/06 ,  B32B27/18 ,  B32B27/30 ,  C08B3/22 ,  C08B15/005 ,  C08J5/18 ,  C08J2301/10 ,  C08K5/103 ,  C08K5/151 ,  C08K5/34 ,  C08L1/10 ,  C08L1/12 ,  C08L1/14 ,  Y10T428/10 ,  Y10T428/1036 ,  Y10T428/1041 ,  C08L67/02

Abstract: Provide is a cellulose acylate film, of which the environmental humidity-dependent retardation change is small and which, when stuck to a polarizer and used in high-temperature and high-humidity environments, is effective for preventing the polarizing element from being deteriorated. A cellulose acylate film, which contains a hydrogen-bonding compound satisfying the following requirements (A) to (C), and at least one hydrophobizing agent selected from a polyalcohol ester-base hydrophobizing agent, a polycondensate ester-base hydrophobizing agent and a carbohydrate derivative-base hydrophobizing agent: (A) the compound has both a hydrogen-bonding donor part and a hydrogen-bonding acceptor part in one molecule, (B) the value computed by dividing the molecular weight of the compound by the total number of the hydrogen-bonding donor number and the hydrogen-bonding acceptor number in the compound is from 30 to 65, and (C) the total number of the aromatic ring structures in the compound is from 1 to 3.

Abstract translation: 提供一种纤维素酰化物膜，其环境湿度依赖性延迟变化小，并且当粘附到偏振器并在高温和高湿度环境中使用时，对防止偏振元件劣化是有效的。 含有满足以下要求（A）至（C）的氢键化合物的纤维素酰化物膜和至少一种选自多元醇酯基疏水化剂，缩聚酯酯基疏水化剂和碳水化合物的疏水化剂 衍生物基疏水化剂：（A）该化合物在一个分子中具有氢键供体部分和氢键受体部分，（B）将化合物的分子量除以总数 化合物中的氢键供体数和氢键受体数为30〜65，（C）化合物中芳环结构的总数为1〜3。

公开(公告)号：US20140228487A1

公开(公告)日：2014-08-14

申请号：US14257842

申请日：2014-04-21

Applicant: Toppan Printing Co., Ltd.

Inventor： Kosuke Shimizu ,  Yumiko Oomori ,  Mizuhiro Tani ,  Akiko Saiki

IPC: C08L1/10

CPC classification number: C08L1/10 ,  C08B15/02 ,  C08J5/18 ,  C08J2301/04 ,  C08K5/005 ,  C08K5/523 ,  G02B1/105 ,  G02B1/14 ,  G02B1/18 ,  G02B5/3033 ,  C08L1/04 ,  C08L51/06

Abstract: The present invention provides a formed article, or more specifically a transparent substrate, which effectively utilizes a natural stuff and which has a low linear expansion coefficient, a high light transmittance and an appropriate level of moisture permeability. The transparent substrate includes at least an oxidized polysaccharide and has a linear expansion coefficient of 50 ppm/° C. or less at 30-150° C. and a light transmittance of 70% or more at 660 nm. Its manufacturing method includes an oxidation process in which cellulose reacts with TEMPO or its derivatives as a catalyst to be oxidized in water under the presence of a co-oxidant, along with a fiberizing process in which the oxidized cellulose is fiberized in water to form a cellulose fiber, and a substrate-forming process in which a transparent substrate is formed from a cellulose dispersion liquid containing the cellulose fiber.

Abstract translation: 本发明提供了一种有效利用天然材料并且具有低线性膨胀系数，高透光率和适当水分渗透性水平的成形制品，或更具体地说是透明基材。 透明基材至少含有氧化多糖，在30〜150℃下的线膨胀系数为50ppm /℃以下，660nm下的透光率为70％以上。 其制造方法包括氧化方法，其中纤维素与TEMPO或其衍生物作为催化剂与助氧化剂存在下在水中氧化的催化剂一起，以及纤维化方法，其中氧化纤维素在水中纤维化形成 纤维素纤维和由含有纤维素纤维的纤维素分散液形成透明基材的基板形成方法。

公开(公告)号：US20140205770A1

公开(公告)日：2014-07-24

申请号：US14227542

申请日：2014-03-27

Applicant: FUJIFILM Corporation

Inventor： Akio TAMURA ,  Kengo ASAI

IPC: C08L1/10 ,  G02F1/1335

CPC classification number: C08L1/10 ,  C08F12/24 ,  C08F212/14 ,  C08F212/32 ,  C08J5/18 ,  C08J2301/12 ,  C08L1/12 ,  G02B5/3025 ,  G02B5/3033 ,  G02F1/133528 ,  Y10T428/10 ,  Y10T428/1036 ,  Y10T428/1041 ,  Y10T428/31971 ,  C08L25/18 ,  C08F212/08

Abstract: Provide a cellulose acylate film with small photoelastic coefficient, low moisture content and low haze, and a polarizing plate and a liquid crystal display device using the same. Also provided is a cellulose acylate film including at least cellulose acylate and a resin produced by hydrogenating a polymer containing a repeating unit derived from a monomer represented by the formula (1) below and hydroxyl group: in the formula (1), R1 represents a hydrogen atom or C1-5 alkyl group; each R2 represents a hydrogen atom or substituent, at least one of (R2)s being a hydroxyl group-containing substituent; moiety (A) may form, or does not necessarily form, a five- or six-membered ring; n represents an integer of 1 to 5, and when n is 2 or larger, the plurality of (R2)s may be same with or different from each other.

Abstract translation: 提供具有小的光弹性系数，低水分含量和低雾度的纤维素酰化物膜，以及使用其的偏振片和液晶显示装置。 还提供了至少包含纤维素酰化物的纤维素酰化物和通过氢化含有由下式（1）表示的单体衍生的重复单元的聚合物和式（1）中的羟基：R1表示 氢原子或C 1-5烷基; 每个R 2表示氢原子或取代基，（R 2）s中的至少一个为含羟基的取代基; 部分（A）可以形成或不必形成五元或六元环; n表示1〜5的整数，当n为2以上时，多个（R2）可以相同也可以不同。

公开(公告)号：US20140199502A1

公开(公告)日：2014-07-17

申请号：US14227386

申请日：2014-03-27

Applicant: FUJIFILM CORPORATION

Inventor： Akio TAMURA ,  Yu NAITO ,  Yutaka NOZOE

IPC: C08L1/10

CPC classification number: C08L1/10 ,  C08J5/18 ,  C08J2301/10 ,  C08K5/13 ,  C08L25/02 ,  G02B1/10 ,  G02B1/105 ,  G02B1/14 ,  G02B5/3033 ,  G02F1/133528 ,  G02F2001/133311 ,  G02F2201/50 ,  Y10T428/10 ,  Y10T428/105 ,  Y10T428/31971

Abstract: To provide a cellulose acylate film having low moisture permeability and low haze, a polarizing plate, and a liquid crystal display device using the same. A cellulose acylate film comprising at least a cellulose acylate, and a compound represented by the formula (1) below: in the formula (1), R1 represents a hydrogen atom or substituent, R2 represents a substituent represented by the formula (2) below; n1 represents an integer of 0 to 4, when n1 is 2 or larger, the plurality of (R1)s may be same with or different from each other; n2 represents an integer of 1 to 5, when n2 is 2 or larger, the plurality of (R2)s may be same with or different from each other;

Abstract translation: 提供具有低透湿性和低雾度的纤维素酰化物膜，偏振片和使用其的液晶显示装置。 包含至少一种纤维素酰化物的纤维素酰化物膜和由下式（1）表示的化合物：在式（1）中，R 1表示氢原子或取代基，R 2表示由下式（2）表示的取代基 ; n1表示0〜4的整数，当n1为2以上时，多个（R1）可以相同或不同; n2表示1〜5的整数，当n2为2以上时，多个（R2）可以相同或不同;

公开(公告)号：US08747540B2

公开(公告)日：2014-06-10

申请号：US13369688

申请日：2012-02-09

Applicant: Ryosuke Takada ,  Jun Takeda

Inventor： Ryosuke Takada ,  Jun Takeda

IPC: C08L1/00 ,  C08L3/00 ,  C08L5/00 ,  C09D101/00 ,  C09D103/00 ,  C09D105/00 ,  C09J101/00 ,  C09D4/00 ,  C09D201/00 ,  C09J4/00 ,  C09J201/00 ,  C08L1/14 ,  C08L1/10 ,  G02B5/30

CPC classification number: C08L1/10 ,  C08L1/14 ,  G02B5/3033

Abstract: There is provided a cellulose ester film comprising at least one plasticizer and satisfying the following expressions (1) to (5); |Re|≦5 nm (1); 50 nm

Abstract translation: 提供包含至少一种增塑剂并满足下列表达式（1）至（5）的纤维素酯膜; | Re |＆nlE; 5nm（1）; 50nm

公开(公告)号：US20140080945A1

公开(公告)日：2014-03-20

申请号：US14030529

申请日：2013-09-18

Applicant: Hercules Incorporated

Inventor： Lawrence J. Andermann, JR. ,  Jeffrey H. Peltier ,  Michael James Bluemle ,  Markus Broecher

IPC: C08L97/00 ,  C08K3/10 ,  C08L5/00 ,  C08L1/10 ,  C08L3/00

CPC classification number: C08L97/00 ,  C02F1/5245 ,  C02F1/5263 ,  C02F1/56 ,  C02F2103/10 ,  C08K3/10 ,  C08L1/10 ,  C08L1/286 ,  C08L3/00 ,  C08L3/02 ,  C08L5/00 ,  C08L5/02

Abstract: A process for improving the rheological properties of an aqueous dispersion comprising adding a rheology modifier to the aqueous dispersion, and then adding a water soluble synthetic polymer flocculant to the aqueous dispersion. The rheology modifier may be selected from the group consisting of natural polymers, semi-natural polymers, synthetic materials and combinations thereof. The water soluble synthetic polymer flocculant may be selected from the group consisting of water soluble anionic polymers, cationic polymers, amphoteric polymers, nonionic polymers, and combinations thereof.

Abstract translation: 一种用于改善水分散体的流变性质的方法，包括向所述水性分散体中加入流变改性剂，然后向水分散体中加入水溶性合成聚合物絮凝剂。 流变改性剂可以选自天然聚合物，半天然聚合物，合成材料及其组合。 水溶性合成聚合物絮凝剂可以选自水溶性阴离子聚合物，阳离子聚合物，两性聚合物，非离子聚合物及其组合。

公开(公告)号：US20130231419A1

公开(公告)日：2013-09-05

申请号：US13409600

申请日：2012-03-01

Applicant: Thomas S. Garrett ,  Lawton E. Kizer ,  Henry P. Stogner

Inventor： Thomas S. Garrett ,  Lawton E. Kizer ,  Henry P. Stogner

IPC: C08L1/10 ,  D21H17/18

CPC classification number: C08L1/10 ,  C08B3/20 ,  D21H11/20 ,  D21H13/06 ,  D21H17/14

Abstract: Processing of cellulose, and more particularly, fiber opening and downstream processing and chemistry are provided. A process includes moistening a cellulose sheet stock to a water content in a range from about 20% to about 50%, attriting the moistened cellulose sheet to a wet pulp, flash drying the wet pulp to a floccule of cellulose having a moisture content from about 4% to about 8%, and esterifying the floccule of cellulose to provide a cellulose ester product.

Abstract translation: 提供纤维素的加工，特别是纤维开口和下游加工和化学。 一种方法包括将纤维素片材润湿至约20％至约50％范围内的含水量，将湿润的纤维素片材磨成湿纸浆，将湿纸浆快速干燥成具有约含水量的纤维素絮凝物 4％至约8％，并且将纤维素的絮凝物酯化以提供纤维素酯产物。

公开(公告)号：US08524810B2

公开(公告)日：2013-09-03

申请号：US12848331

申请日：2010-08-02

Applicant: Ryousuke Takada ,  Yoshiaki Hisakado

Inventor： Ryousuke Takada ,  Yoshiaki Hisakado

IPC: C08L1/10 ,  C08L1/00 ,  B28B1/14

CPC classification number: C08L1/10

Abstract: A cellulose acylate film is produced by casting a solution comprising a cellulose acylate resin and a partially ring-opened, styrene/maleic anhydride copolymer. The produced film has improved wet heat durability and low haze.

Abstract translation: 通过浇铸包含纤维素酰化物树脂和部分开环的苯乙烯/马来酸酐共聚物的溶液来制备纤维素酰化物膜。 所生产的膜具有改善的湿热耐久性和低雾度。

公开(公告)号：US20120298007A1

公开(公告)日：2012-11-29

申请号：US13306178

申请日：2011-11-29

Applicant: Satomi Kawabe ,  Kazuto Kiyohara ,  Akihiko Takeda ,  Takayuki Suzuki ,  Kazuaki Nakamura ,  Takashi Konishi

Inventor： Satomi Kawabe ,  Kazuto Kiyohara ,  Akihiko Takeda ,  Takayuki Suzuki ,  Kazuaki Nakamura ,  Takashi Konishi

IPC: C08L1/10

CPC classification number: C08L1/10 ,  C08B3/00 ,  C08B3/16 ,  C08J5/18 ,  C08J2301/10 ,  C08K5/103 ,  C08K5/12 ,  C08L1/14 ,  G02B5/3033 ,  C08L2666/18

Abstract: A process for producing a cellulose ester film that is produced by a melt casting method using no solvent at film formation, and that attains reduction of bright spot foreign matter, excelling in planarity, and that attains reduction of staining, excelling in dimensional stability. It is also intended to provide such a cellulose ester film, a polarizing plate and a liquid crystal display unit. There is provided a process for producing a cellulose ester film, characterized by forming into a film a material containing a cellulose ester and an ester compound of 1 to 7.5 distribution coefficient obtained by condensation of a polyhydric alcohol and an organic acid of the general formula: (1) according to a melt casting method.

Abstract translation: 一种制造纤维素酯膜的方法，其通过在成膜时不使用溶剂的熔体流延法制造，并且可以实现亮点异物的减少，平面性优异，并且可以实现染色的降低，尺寸稳定性优异。 还提供这种纤维素酯膜，偏振片和液晶显示单元。 提供一种纤维素酯膜的制造方法，其特征在于，通过使多元醇与下述通式的有机酸缩合得到1〜7.5的分配系数的纤维素酯和酯化合物的成分，形成膜。 （1）根据熔体浇铸法。

公开(公告)号：US20120268693A1

公开(公告)日：2012-10-25

申请号：US13453453

申请日：2012-04-23

Applicant: Jun TAKEDA ,  Nobutaka FUKAGAWA ,  Yoji ITO

Inventor： Jun TAKEDA ,  Nobutaka FUKAGAWA ,  Yoji ITO

IPC: G02F1/1335 ,  C08L1/10 ,  G02B5/30

CPC classification number: G02B5/3033 ,  C08J5/18 ,  C08J2301/10 ,  C08K5/00 ,  C08K5/0041 ,  G02F1/133528 ,  G02F1/133634 ,  G02F2001/133635 ,  C08L1/10 ,  C08L1/12

Abstract: A cellulose acylate film, which comprises a cellulose acylate having a total degree of substitution of from 2.0 to 2.5, a first optical enhancer of an ester having an absorption maximum λmax at less than 250 nm, and a second optical enhancer having an absorption maximum λmax at from more than 240 nm to 300 nm, and satisfies the following formulae (1) and (2), in which the ester of the first optical enhancer is a compound obtained through condensation of an oxo-acid of an organic acid or an inorganic acid and a hydroxyl group-containing compound: 40 nm≦Re(550)≦80 nm  (1) 100 nm≦Rth(550)≦300 nm.  (2)

Abstract translation: 一种纤维素酰化物膜，其包含总取代度为2.0至2.5的纤维素酰化物，具有小于250nm的吸收最大值λmax的酯的第一光学增强剂和具有吸收最大值λmax的第二光学增强剂 在大于240nm至300nm的范围内，并且满足下列式（1）和（2），其中第一光学增强剂的酯是通过有机酸的无水酸或无机酸的缩合获得的化合物 酸和含羟基的化合物：40nm＆amp; En; Re（550）＆nlE; 80nm（1）100nm＆amp; NlE; Rth（550）＆nlE; 300nm。 （2）