公开(公告)号：US20200269275A1

公开(公告)日：2020-08-27

申请号：US15999737

申请日：2016-08-23

Applicant: TOYOBO CO., LTD. ,  NATIONAL INSTITUTE OF ADVANCED INDUSTRIAL SCIENCE AND TECHNOLOGY

Inventor： Isao TAKII ,  Yusuke SHIBATA ,  Shin-ichiro KAWASAKI ,  Tatsuya FUJII

IPC: B05D3/06 ,  B05D1/02 ,  B05D7/04 ,  C08J7/18 ,  C09D135/02

Abstract: A method for applying an ultraviolet curable coating material and a method for producing an ultraviolet cured film include the steps of: supplying an ultraviolet curable coating material containing an ultraviolet curable acrylic monomer into a mixer under a condition of greater than or equal to 8 MPa without diluting the ultraviolet curable coating material with an organic solvent; supplying carbon dioxide with a critical pressure or more into the mixer; mixing the ultraviolet curable coating material and the carbon dioxide supplied into the mixer to form a mixed fluid; spraying the mixed fluid under a condition of a critical pressure or more of the carbon dioxide to form a coating film; and irradiating the coating film with ultraviolet rays to form an ultraviolet cured film.

公开(公告)号：US20220228020A1

公开(公告)日：2022-07-21

申请号：US17442741

申请日：2020-03-02

Applicant: TOYOBO CO., LTD.

Inventor： Noriyuki TAKAGI ,  Hiroshi TAKI ,  Isao TAKII

IPC: C09D167/02 ,  C08G63/183 ,  C08G18/76 ,  C08G18/34 ,  C08G18/44 ,  C08G18/32 ,  C08G18/65 ,  C08G18/75 ,  C08G18/42 ,  C08G18/66 ,  C08J5/18 ,  C09J167/02

Abstract: The invention provides a laminated polyester film that is highly transparent, is resistant to blocking, and has excellent adhesion to a hardcoat layer and UV ink. The laminated polyester film contains a polyester film substrate and a coating layer on at least one surface of the polyester film substrate, wherein the coating layer is formed by curing a composition containing a urethane resin with a polycarbonate structure and a branched structure, a crosslinking agent, and a polyester resin.

公开(公告)号：US20220332910A1

公开(公告)日：2022-10-20

申请号：US17763061

申请日：2020-10-23

Applicant: TOYOBO CO., LTD.

Inventor： Hiroshi TAKI ,  Noriyuki TAKAGI ,  Isao TAKII

IPC: C08J7/04 ,  C08J5/18

Abstract: An object of the present invention is to provide a laminated polyester film that has good adhesion to an UV-curable resin, particularly has excellent adhesion to a coating agent such as an UV-curable ink, and has an excellent property to keep the adhesion at a high level over a long period of time. A laminated polyester film comprising: a polyester film; and a coating layer on at least one surface of the polyester film, the coating layer comprising a composition containing a polyurethane resin having a carboxyl group and having an acid value of 30 to 50 mgKOH/g and a crosslinking agent having a carboxyl group and having an acid value of 30 to 50 mgKOH/g.

公开(公告)号：US20220119603A1

公开(公告)日：2022-04-21

申请号：US17428378

申请日：2020-01-23

Applicant: TOYOBO CO., LTD.

Inventor： Noriyuki TAKAGI ,  Hiroshi TAKI ,  Isao TAKII

IPC: C08J5/18 ,  C08G63/183 ,  C08G18/75 ,  C08G18/34 ,  C08G18/32 ,  C08G18/44 ,  C08G18/65 ,  C08G18/48 ,  C08G18/40 ,  C08G18/66 ,  C09D175/08

Abstract: The invention provides a laminated polyester film that is highly transparent, is resistant to blocking, and has excellent adhesion to a hardcoat layer and UV ink. The laminated polyester film contains a polyester film substrate and a coating layer on at least one surface of the polyester film substrate. The coating layer is formed by curing a composition containing a urethane resin with a polycarbonate structure, a crosslinking agent, and a polyester resin. The maximum value of a nitrogen element distribution curve based on element distribution measurement of the coating layer in the depth direction is present in the vicinity of the surface of the coating layer on a side opposite to the polyester film substrate. The polycarbonate structure is present in a suitable amount at the surface of the coating layer on a side opposite to the polyester film substrate.

公开(公告)号：US20240239979A1

公开(公告)日：2024-07-18

申请号：US18434292

申请日：2024-02-06

Applicant: TOYOBO CO., LTD.

Inventor： Hiroshi TAKI ,  Noriyuki TAKAGI ,  Isao TAKII

IPC: C08J7/04 ,  C08J5/18

CPC classification number: C08J7/0427 ,  C08J5/18 ,  C08J2367/02 ,  C08J2475/06

Abstract: An object of the present invention is to provide a laminated polyester film that has good adhesion to an UV-curable resin, particularly has excellent adhesion to a coating agent such as an UV-curable ink, and has an excellent property to keep the adhesion at a high level over a long period of time. A laminated polyester film comprising: a polyester film; and a coating layer on at least one surface of the polyester film, the coating layer comprising a composition containing a polyurethane resin having a carboxyl group and having an acid value of 30 to 50 mgKOH/g and a crosslinking agent having a carboxyl group and having an acid value of 30 to 50 mgKOH/g.

公开(公告)号：US20230374234A1

公开(公告)日：2023-11-23

申请号：US18044845

申请日：2021-09-29

Applicant: TOYOBO CO., LTD.

Inventor： Kiwamu KAWAI ,  Akira SHIMIZU ,  Isao TAKII

IPC: C08J5/18 ,  C08J7/043 ,  C09J7/25 ,  C09J7/29 ,  C09J201/00

CPC classification number: C08J5/18 ,  C08J7/043 ,  C09J7/255 ,  C09J7/29 ,  C09J201/00 ,  C08J2367/02 ,  C09J2467/006 ,  C08J2400/00 ,  G09F2003/023

Abstract: The invention provides a biaxially oriented polyester film with a good balance among moldability during hot molding, film strength and elasticity, while suppressing deposition of an oligomer (whitening) due to heating in a coating step of an adhesive resin or the like during the molding process, and which can be used to provide a molded body, a label or the like. The biaxially oriented polyester film has a content of an ester constituent unit derived from an isophthalic acid component relative to 100% by mole of all ester constituent units in the constituent polyester resin of 0.5-5.0% by mole; a haze change when heated at 150° C. for 30 minutes of 5.0% or less; a limiting viscosity of the constituent polyester resin of 0.59-0.65 dl/g; an average storage elastic modulus at 150° C. of 5.0-7.6×108 (Pa); and an acid value of 40-60 eq/ton.

公开(公告)号：US20220135847A1

公开(公告)日：2022-05-05

申请号：US17425992

申请日：2020-01-16

Applicant: TOYOBO CO., LTD.

Inventor： Yohei YAMAGUCHI ,  Hiroshi TAKI ,  Isao TAKII ,  Katsuya ITO

IPC: C09J7/25 ,  C09J175/06 ,  C08G18/42 ,  C08G18/78 ,  C08G18/80 ,  C08K3/36 ,  C08K7/16 ,  B05D1/28 ,  B05D5/10 ,  B05D7/04 ,  B05D7/24

Abstract: This invention provides a readily adhesive polyester film that has fewer flaws and in which no appearance defects occur due to tight winding during the storage of rolled products, and a method for efficiently producing the readily adhesive polyester film. More specifically, this invention provides a readily adhesive polyester film comprising a polyester film as a base film and a readily adhesive layer on at least one side of the base film, wherein the base film contains particles with an average particle diameter of 0.1-2 μm or more in an amount of 1 mass % or less based on the mass of the base film, and the readily adhesive layer is a cured product of a composition comprising a copolymerized polyester resin (A), a blocked isocyanate group-containing urethane resin (B), and a silicone surfactant (C). This invention also provides a method for producing a readily adhesive polyester film.