公开(公告)号：EP3604348A1

公开(公告)日：2020-02-05

申请号：EP18774873.6

申请日：2018-03-29

Applicant: AGC Inc.

Inventor： KAKIUCHI Toshifumi ,  NAKASHIMA Toshio ,  MUROTANI Eisuke ,  SAITO Shun ,  ISHITSUKA Kei

IPC: C08F2/26 ,  C08F214/20 ,  C08F220/18 ,  C08F259/08 ,  C08L27/12 ,  C08L33/04 ,  C09D5/02 ,  C09D127/12 ,  C09D133/04

Abstract: An object of the present invention is to provide an aqueous dispersion capable of forming a coating film excellent in water resistance, antifogging properties and durable light resistance, a method for producing the aqueous dispersion, an aqueous coating material, and a coated article. This aqueous dispersion comprises water, a surfactant and polymer particles dispersed in the water, wherein the polymer particles contained in the aqueous dispersion are fluoropolymer particles and (meth)acrylate polymer particles, or polymer particles comprising a fluoropolymer and a (meth)acrylate polymer; the fluoropolymer contains units based on a fluoroolefin in an amount of from 95 to 100 mol% to all units which the fluoropolymer comprises; the (meth)acrylate polymer contains units based on an alkyl(meth)acrylate in an amount of from 75 to 100 mol% to all units which the (meth)acrylate polymer comprises; and the surfactant is a compound of such a structure that to a benzene ring, 1 group represented by the formula - (OQ) n OSO 3 - X + (where Q is an alkylene group, n is an integer of from 2 to 48, and X + is Na + or NH 4 + ) and 2 to 4 phenylalkyl groups are bonded. A method for producing the aqueous dispersion is also provided.

公开(公告)号：EP3511381A1

公开(公告)日：2019-07-17

申请号：EP17848766.6

申请日：2017-09-05

Applicant: AGC INC.

Inventor： SAITO Shun ,  TOYODA Mizuna ,  UCHIDA Kouji

IPC: C09D7/40

Abstract: The present invention has an object to provide an anti-biofouling coating material which is capable of forming a coating film excellent in anti-biofouling properties and adhesiveness. Further, the present invention has another object to provide a ship, etc. and an article to be used in a humid or wetted environment, having, on its surface, a coating film formed by using the above anti-biofouling coating material. Further, the present invention has other objects to provide a method for preventing adhesion of organisms to a ship, etc. and to provide a method for preventing adhesion of fungi or algae to the surface of an article to be used in a humid or wetted environment, by using the above anti-biofouling coating material. The anti-biofouling coating material of the present invention is an anti-biofouling coating material to be applied to the surface of an article in order to prevent adhesion of organisms, which comprises a polymer F being a fluorinated polymer containing units based on a fluoroolefin, and a polymer G being a polymer containing units based on a (meth)acrylate having a polyoxyalkylene chain.

公开(公告)号：EP3492182A1

公开(公告)日：2019-06-05

申请号：EP17834386.9

申请日：2017-07-26

Applicant: AGC INC.

Inventor： SAITO Shun ,  TOYODA Mizuna ,  AIKAWA Masataka

IPC: B05D1/36 ,  B05D3/10 ,  B05D7/24 ,  C09D5/03 ,  C09D127/12 ,  C09D175/04

Abstract: To provide a process for producing a coated article, capable of producing a coated article having a coating film excellent in weather resistance, using a powder coating material.
A process for producing a coated article having a substrate, comprising:
applying a curable powder coating material containing a curable polymer containing no fluorine atom, a curing agent and a pigment to a surface of a substrate, to form a first coating layer composed of the curable powder coating material, then
applying a powder coating material containing a fluorinated polymer and containing no pigment to a surface of the first coating layer, to form a second coating layer composed of the powder coating material, and
heating the first coating layer and the second coating layer simultaneously to form a coating film on the surface of the substrate.

公开(公告)号：EP3604430A1

公开(公告)日：2020-02-05

申请号：EP18777870.9

申请日：2018-03-29

Applicant: AGC Inc.

Inventor： KAKIUCHI Toshifumi ,  NAKASHIMA Toshio ,  MUROTANI Eisuke ,  SAITO Shun ,  ISHITSUKA Kei

IPC: C08L27/12 ,  B32B27/28 ,  C08F2/26 ,  C08F214/24 ,  C08F290/06 ,  C09D5/02 ,  C09D127/12 ,  C09D155/00 ,  C09D201/06

Abstract: An object of the present invention is to provide an aqueous dispersion capable of forming a coating film excellent in coloring stability, a method for producing the aqueous dispersion, an aqueous coating material and a coated article. This aqueous dispersion comprises water, a surfactant and a fluorinated polymer, wherein the fluorinated polymer is dispersed in the water, wherein the fluorinated polymer comprises units based a fluoroolefin and units based on a monomer having a hydrophilic group, and the surfactant is a compound of such a structure that to a benzene ring, 1 group represented by the formula -(OQ) n OSO 3 - X + and 2 to 4 phenyl alkyl groups are bonded (where Q represents a C 2-4 alkylene group, n represents an integer of from 2 to 48, and X + represents Na + or NH 4 + ).

公开(公告)号：EP3409737A1

公开(公告)日：2018-12-05

申请号：EP17744071.6

申请日：2017-01-19

Applicant: AGC INC.

Inventor： SAITO Shun ,  AIKAWA Masataka

IPC: C09D201/04 ,  B32B27/20 ,  B32B27/30 ,  C09D5/03 ,  C09D7/12 ,  C09D201/06

Abstract: To provide a powder coating material capable of forming a coating film that is excellent in weather resistance, processability and impact resistance and that improves corrosion resistance of a substrate (in particular, a substrate made of aluminum or of an aluminum alloy).
A powder coating material comprising a powder of a resin composition, wherein the resin composition comprises a fluorinated polymer (A) having a number average molecular weight of from 10,000 to 50,000 and a fluorine content of at least 10 mass%, a resin (B) having a fluorine content of less than 10 mass% or containing no fluorine atom, a curing agent, a plasticizer having a melting point of from 50 to 150°C and core-shell particles, and wherein the absolute value of the difference between the melting point of the plasticizer and the glass transition temperature of a polymer of a shell portion in the core-shell particles is within 30°C and the content of the plasticizer is from 5 to 25 parts by mass based on 100 parts by mass of the fluorinated polymer (A).

公开(公告)号：EP3409737B1

公开(公告)日：2020-05-13

申请号：EP17744071.6

申请日：2017-01-19

Applicant: AGC INC.

Inventor： SAITO Shun ,  AIKAWA Masataka

IPC: C09D201/04 ,  B32B27/20 ,  B32B27/30 ,  C09D5/03 ,  C09D7/40 ,  C09D201/06 ,  C09D7/63 ,  C09D7/65 ,  C09D127/12 ,  C08F214/18 ,  C08F259/08 ,  C09D151/00 ,  C09D175/04 ,  C08F214/24 ,  C08L51/00

公开(公告)号：EP3632675A1

公开(公告)日：2020-04-08

申请号：EP18804925.8

申请日：2018-05-23

Applicant: AGC Inc.

Inventor： SAITO Shun ,  MORIZUMI Takashi

IPC: B32B27/00

Abstract: The object of the present invention is to provide a decorative film excellent in moldability and tensile strength; and a method for producing a three-dimensionally molded article with a decorative film. The decorative film of the present invention is used for decorating a three-dimensionally molded article. It is a decorative film comprising at least a substrate film layer and a clear layer, wherein the clear layer is made of a fluorinated polymer comprising units based on a fluoroolefin, units based on a monomer having no crosslinkable group, which is at least one member selected from the group consisting of a vinyl ether, a vinyl ester, an allyl ether, an allyl ester and a (meth)acrylic acid ester, and units having a crosslinkable group; and the content of the units based on a fluoroolefin is from 20 to 70 mol% to all units which the fluorinated polymer comprises.