公开(公告)号：US20160159995A1

公开(公告)日：2016-06-09

申请号：US14904025

申请日：2014-06-11

Applicant: RIKEN TECHNOS CORPORATION

Inventor： Kohei NAKASHIMA ,  Kazutaka YAMADA ,  Hidemasa SUGIMOTO ,  Yoshihiro ZENNYOJI

IPC: C08J5/18 ,  B29C71/04 ,  B29C47/00 ,  C08J7/06 ,  C08J7/04

Abstract: Embodiments of the invention relate to a poly(meth)acrylimide film and a method for manufacturing such a film. At least one embodiment provides a poly(meth)acrylimide film that has (i) a total light transmittance of over 90% and (ii) haze of 2.0% or less. This film preferably has retardation of less than 50 nm. The method for manufacturing this film includes the following steps: (A) using a device provided with an extruder and a T die, a poly(meth)acrylimide molten film is continuously extruded from the T die; and (B) the poly(meth)acrylimide molten film is loaded by being fed between a rotating or circulating first mirrored-surface body and a rotating or circulating second mirrored-surface body, and then the film is pressed. During these steps, (C) the surface temperature of the first mirrored-surface body is in the range 100-200° C., and (D) the surface temperature of the second mirrored-surface body is in the range 20-200° C.

Abstract translation: 本发明的实施方案涉及聚（甲基）丙烯酰亚胺膜及其制造方法。 至少一个实施方案提供聚（甲基）丙烯酰亚胺膜，其具有（i）总透光率超过90％，（ii）雾度为2.0％以下。 该膜优选具有小于50nm的延迟。 制造该膜的方法包括以下步骤：（A）使用具有挤出机和T模头的装置，从T模头连续挤出聚（甲基）丙烯酰亚胺熔融膜; 和（B）聚（甲基）丙烯酰亚胺熔融膜通过馈送在旋转或循环的第一镜面体和旋转或循环的第二镜面体之间被加载，然后将膜压制。 在这些步骤中，（C）第一镜面体的表面温度在100-200℃的范围内，（D）第二镜面体的表面温度在20-200°的范围内 C。

公开(公告)号：US20200223205A1

公开(公告)日：2020-07-16

申请号：US16330631

申请日：2017-07-25

Applicant: RIKEN TECHNOS CORPORATION

Inventor： Hideaki YAMBE ,  Kohei NAKASHIMA

IPC: B32B37/15 ,  B32B27/08 ,  B32B27/30 ,  B32B27/36 ,  B29C48/00 ,  B29C48/21

Abstract: Embodiments provide a method for producing a multilayer film, the method including: (A) a step for continuously coextruding from a T die (3) a molten film (4) of a multilayer film in which a first acrylic resin layer (α1), an aromatic polycarbonate resin layer (β), and a second acrylic resin layer (α2) are directly laminated in the stated order using a coextrusion apparatus; (B) a step for feeding and pressing the molten film of the multilayer film between a first mirror surface body (5) that rotates or revolves and a second mirror surface body (6) that rotates or revolves so that the first acrylic resin layer (α1) is disposed on the first-mirror-surface-body side; and (C) a step for holding the pressed multilayer film against the first mirror surface body and sends the pressed multilayer film to the subsequent third mirror surface body (8) that rotates or revolves, where TR1 (surface temperature of first mirror surface body), TR2 (surface temperature of second mirror surface body), Tα1 (glass transition temperature of first acrylic resin), Tα2 (glass transition temperature of second acrylic resin), and Tβ (glass transition temperature of aromatic polycarbonate resin) satisfy a prescribed relationship.

公开(公告)号：US20180009959A1

公开(公告)日：2018-01-11

申请号：US15533286

申请日：2015-10-02

Applicant: RIKEN TECHNOS CORPORATION

Inventor： Kohei NAKASHIMA ,  Hideaki YAMBE

IPC: C08J7/04 ,  C09D133/10 ,  B05D3/14 ,  B29K69/00 ,  B29C47/00 ,  B05D1/26

CPC classification number: C08J7/047 ,  B05D1/265 ,  B05D3/142 ,  B29C48/08 ,  B29K2033/04 ,  B29K2069/00 ,  B29K2079/08 ,  B29K2995/0026 ,  B32B27/36 ,  C08J7/042 ,  C08J7/045 ,  C08J2333/24 ,  C08J2369/00 ,  C08J2433/06 ,  C08J2433/10 ,  C08J2433/26 ,  C09D133/10 ,  C09D133/26

Abstract: According to at least one embodiment, there is provided a hard coat laminate film having a total light transmittance of 80% or more and having (γ) a hard coat on at least one surface of (α) an aromatic-polycarbonate resin film containing 30 mol % or more of a structural unit derived from 4,4′-(3,3,5-trimethylcyclohexane-1,1-diyl)diphenol when the total of the structural units derived from aromatic dihydroxy compounds is 100 mol %. According to another embodiment, there is provided a hard coat laminate film having a total light transmittance of 80% or more and having (γ) a hard coat on at least one surface of a transparent laminate film constituted of (α) an aromatic-polycarbonate resin film containing 30 mol % or more of a structural unit derived from 4,4′-(3,3,5-trimethylcyclohexane-1,1-diyl)diphenol, when the total of the structural units derived from aromatic dihydroxy compounds is 100 mol %, and (β) a poly(meth)acrylimide resin film.

公开(公告)号：US20160229159A1

公开(公告)日：2016-08-11

申请号：US15022889

申请日：2014-07-04

Applicant: RIKEN TECHNOS CORPORATION

Inventor： Kohei NAKASHIMA ,  Shintaro NEGIMOTO

IPC: B32B27/08 ,  B32B27/36 ,  B29C47/06 ,  B32B27/30

CPC classification number: B32B27/08 ,  B29C47/004 ,  B29C47/065 ,  B29C47/14 ,  B29C47/92 ,  B29C2947/92704 ,  B29K2069/00 ,  B29K2079/085 ,  B29L2009/00 ,  B32B27/16 ,  B32B27/308 ,  B32B27/365 ,  B32B37/153 ,  B32B2250/03 ,  B32B2250/05 ,  B32B2250/24 ,  B32B2255/10 ,  B32B2255/26 ,  B32B2264/0214 ,  B32B2264/102 ,  B32B2264/12 ,  B32B2307/412 ,  B32B2307/536 ,  B32B2307/554 ,  B32B2307/558 ,  B32B2307/732 ,  B32B2307/75 ,  B32B2379/08 ,  B32B2457/20 ,  B32B2457/208

Abstract: Embodiments of the invention provide a transparent poly(meth)acrylimide-based resin multilayer film exhibiting excellent surface smoothness, transparency, outer appearance, and resistance to puchability. According to at least one embodiment, there is provided a method for producing said transparent multilayer film, in which the transparent multilayer film in which a first poly(meth)acrylimide-based resin layer (α1), an aromatic polycarbonate-based resin layer (β), and a second poly(meth)acrylimide-based resin layer (α2) are directly laminated in said order, and in that the total light transmittance exceeds 90% and the haze is 2.0% or lower. The transparent multilayer film is produced by continuously coextruding, from a T die, a molten film of the transparent multilayer film in which the aforementioned layers were directly laminated in the aforementioned order, and by supplying and then pressing the molten film between a first mirror body that has a surface temperature between 100 and 200° C. and a second mirror body that has a surface temperature between 20 and 200° C.

Abstract translation: 本发明的实施方案提供了表现出优异的表面平滑性，透明性，外观和耐侯性的透明聚（甲基）丙烯酰亚胺基树脂多层膜。 根据至少一个实施方案，提供了一种制造所述透明多层膜的方法，其中将第一聚（甲基）丙烯酰亚胺基树脂层（α1），芳族聚碳酸酯基树脂层（ β）和第二聚（甲基）丙烯酰亚胺基树脂层（α2）按照所述顺序直接层压，总透光率超过90％，雾度为2.0％以下。 透明多层膜是通过从T型模头将上述层按上述顺序层叠的透明多层膜的熔融膜连续共挤出，然后通过在第一反射镜体 其表面温度为100-200℃，表面温度为20-200℃的第二镜体。

公开(公告)号：US20240240305A1

公开(公告)日：2024-07-18

申请号：US18562716

申请日：2022-05-25

Applicant: RIKEN TECHNOS CORPORATION

Inventor： Kohei NAKASHIMA ,  Taketo HASHIMOTO

IPC: C23C14/34 ,  C23C14/12 ,  C23C14/56

CPC classification number: C23C14/3407 ,  C23C14/12 ,  C23C14/562

Abstract: The present invention is a composite film manufacturing method in which a sputtering device is used and a gas of a substance with which can be prepared a mixed gas of a target of a solid substance in a standard state (a temperature of 25° C. and pressure of 100 KPa) (A) and a sputtering gas (B) is used. The method includes: (1) a step for attaching the target (A) to a target installation jig of the sputtering device; (2) a step for reducing the pressure inside a sputtering chamber of the sputtering device to a prescribed first pressure; (3) a step for introducing the mixed gas of the sputtering gas and the gas (B) into the sputtering chamber of the sputtering device such that the inside of the sputtering chamber reaches a second prescribed pressure (greater than or equal to the first prescribed pressure); and (4) a step for applying electric power to the target (A) and using sputtering to form a composite film on the surface of a base material. The sputtering device may be a roll-to-roll scheme sputtering device.

公开(公告)号：US20220380560A1

公开(公告)日：2022-12-01

申请号：US17885880

申请日：2022-08-11

Applicant: RIKEN TECHNOS CORPORATION

Inventor： Hideaki YAMBE ,  Kohei NAKASHIMA

IPC: C08J5/18

Abstract: Embodiments provide a multilayer film, including: a first acrylic resin layer (α1), an aromatic polycarbonate resin layer (β), and a second acrylic resin layer (α2), where the first acrylic resin layer (α1), the aromatic polycarbonate resin layer (β), and the second acrylic resin layer (α2) are directly laminated in the stated order, where a glass transition temperature of an aromatic polycarbonate resin constituting the aromatic polycarbonate resin layer (β) is 100-140° C., and where the following formulae (4-1) and (4-2) and the following properties (i) and (ii) are satisfied: (Tβ−Tα1)≤30 . . . (4-1), (Tβ−Tα2)≤30 . . . (4-2), (i) a total light transmittance of the multilayer film is 85% or more, and (ii) a retardation of the multilayer film is 75 nm or less; and where Tai is a glass transition temperature of an acrylic resin constituting the first acrylic resin layer (α1), Tae is a glass transition temperature of an acrylic resin constituting the second acrylic resin layer (α2), and Tβ is a glass transition temperature of an aromatic polycarbonate resin constituting the aromatic polycarbonate resin layer (β), and all temperature units are ° C.

公开(公告)号：US20210122146A1

公开(公告)日：2021-04-29

申请号：US16622643

申请日：2018-05-18

Applicant: RIKEN TECHNOS CORPORATION

Inventor： Hideaki YAMBE ,  Kohei NAKASHIMA

IPC: B32B27/08 ,  C08G64/42 ,  C08F20/12 ,  B32B7/12 ,  B32B7/027 ,  B32B27/30 ,  B32B27/36

Abstract: Embodiments provide a multilayer film in which: a first acrylic resin layer (α1), an aromatic polycarbonate resin layer (β), and a second acrylic resin layer (α2) are directly laminated in the stated order; the aromatic polycarbonate resin constituting the aromatic polycarbonate resin layer (β) is a product of ester exchange between a polycarbonic acid ester of an aromatic dihydroxy compound and a low-crystalline or amorphous aromatic polyester; and the relationships (Tβ−Tα1)≤30 and (Tβ−Tα2)≤30 (where Tal is the glass transition temperature of the acrylic resin constituting the first acrylic resin layer (α1), Tα2 is the glass transition temperature of the acrylic resin constituting the second acrylic resin layer (α2), Tβ is the glass transition temperature of the aromatic polycarbonate resin constituting the aromatic polycarbonate resin layer (β), and all of the temperatures are measured in degrees Celsius) are satisfied. The glass transition temperature of the aromatic polycarbonate resin should be 100-140° C.

公开(公告)号：US20180072029A1

公开(公告)日：2018-03-15

申请号：US15559400

申请日：2016-02-05

Applicant: RIKEN TECHNOS CORPORATION

Inventor： Kohei NAKASHIMA ,  Hideaki YAMBE ,  Nozomu WASHIO ,  Taketo HASHIMOTO

IPC: B32B27/18 ,  B32B27/30 ,  B32B7/02 ,  B32B27/20 ,  C08J7/04 ,  C09D7/12 ,  B32B38/00 ,  B32B7/12 ,  B29C47/06

Abstract: One embodiment provides a multilayer hard coating film which sequentially includes, from the superficial layer side, a first hard coating and a resin film, and wherein: the first hard coating is formed from a coating material that contains a specific amount of (A) a polyfunctional (meth)acrylate and a specific amount of (B) a water repellent agent, while containing no inorganic particles; and the resin film includes at least one layer of (α) an acrylic resin that contains 50-95% by mole of a structural unit derived from methyl methacrylate and 50-5% by mole of a structural unit derived from vinyl cyclohexane when the total of the structural units derived from polymerizable monomers is taken as 100% by mole. Another embodiment provides a multilayer hard coating film which includes a second hard coating in addition to a first hard coating, and wherein: the first hard coating contains (C) a silane coupling agent in addition to the above-described components (A) and (B); and the second hard coating is formed from a coating material that contains a specific amount of (A) a polyfunctional (meth)acrylate and a specific amount of (D) inorganic fine particles having an average particle diameter of 1-300 nm.