公开(公告)号：US20230051217A1

公开(公告)日：2023-02-16

申请号：US17789391

申请日：2020-12-18

Applicant: DAIKIN INDUSTRIES, LTD

Inventor： Yasukazu NAKATANI ,  Shichou CHIN ,  Toshio MIYATANI ,  Hirotake IMADA ,  Yukari HONDA

IPC: C09D165/00 ,  B05D7/16

Abstract: Provided is a film forming method that can form a film having a thickness of 500 μm or more with a single coating of a substrate.
The present disclosure is a film forming method using a powder coating material containing a polyphenylene sulfide resin, the method including heating the powder coating material at a temperature equal to or higher than a melting point of the polyphenylene sulfide resin and within a range of 250 to 400° C., in which a single coating of a substrate forms a film having a thickness of 500 μm or more; and the obtained film has a surface roughness, Ra, of 0.30 μm or less.

公开(公告)号：US20230399528A1

公开(公告)日：2023-12-14

申请号：US18456591

申请日：2023-08-28

Applicant: DAIKIN INDUSTRIES, LTD.

Inventor： Yasukazu NAKATANI ,  Hirotake IMADA

IPC: C09D7/63 ,  C09D127/18 ,  C09D127/20 ,  C09D5/03

CPC classification number: C09D7/63 ,  C09D127/18 ,  C09D127/20 ,  C09D5/033

Abstract: A powdery primer composition, containing a meltable fluororesin powder having an average particle size of 5 to 100 μm; and polyethersulfone powder, wherein the weight ratio between the meltable fluororesin powder and the polyethersulfone powder is 50:50 to 95:5, and the meltable fluororesin has a melt flow rate of 0.1 to 50 g/10 min. Also disclosed is a primer film formed from the powdery primer composition, and a laminate including a film containing a meltable fluororesin provided on the primer film.

公开(公告)号：US20210278026A1

公开(公告)日：2021-09-09

申请号：US16326477

申请日：2017-08-03

Applicant: DAIKIN INDUSTRIES ,LTD.

Inventor： Hirotake IMADA ,  Yasukazu NAKATANI ,  Tomohiro SHIROMARU

IPC: F16L58/10 ,  C09D5/03 ,  C09D5/18 ,  C09D163/00 ,  C09K21/12

Abstract: A powder coating material including a main material resin containing an epoxy resin; a phosphorus flame retarder; and at least one inorganic particulate substance selected from metal hydroxides and hydrous metal compounds. The inorganic particulate substance has an average particle size of 0.01 to 9 μm. The inorganic particulate substance is present in an amount of 80 to 200 parts by mass relative to 100 parts by mass of the main material resin.

公开(公告)号：US20240343916A1

公开(公告)日：2024-10-17

申请号：US18750597

申请日：2024-06-21

Applicant: DAIKIN INDUSTRIES, LTD.

Inventor： Yukari HONDA ,  Hirotake IMADA ,  Toshio MIYATANI ,  Yasukazu NAKATANI

IPC: C09D5/03 ,  C08K3/04 ,  C09D5/24 ,  C09D7/40 ,  C09D7/61 ,  C09D127/18

CPC classification number: C09D5/031 ,  C09D5/033 ,  C09D5/24 ,  C09D7/61 ,  C09D7/67 ,  C09D7/70 ,  C09D127/18 ,  C08K3/041 ,  C08K2201/001 ,  C08K2201/003 ,  C08K2201/004 ,  C08K2201/011

Abstract: Provided is a powder coating material composition which can simultaneously satisfy both of excellent electroconductive performance and surface smoothness. The powder coating material composition contains a fluorine-containing ethylenic polymer and an electroconductive material, wherein the electroconductive material is at least partially a carbon nanotube, and the carbon nanotube is contained in a proportion of 0.01 to 0.35% by mass to the total amount of the fluorine-containing ethylenic polymer and the electroconductive material.

公开(公告)号：US20240309237A1

公开(公告)日：2024-09-19

申请号：US18673507

申请日：2024-05-24

Applicant: DAIKIN INDUSTRIES, LTD.

Inventor： Hirotake IMADA ,  Yukari HONDA ,  Toshio MIYATANI ,  Yasukazu NAKATANI

IPC: C09D127/18 ,  C09D5/03 ,  C09D5/16

CPC classification number: C09D127/18 ,  C09D5/031 ,  C09D5/1668

Abstract: A powder coating composition for a primer for a fluororesin layer and providing strong adhesion. The composition including an amide group-containable polymer compound (A), polyphenylene sulfide (B), and perfluorinated fluororesin (C), where the polymer compound (A) is an amide group-containing polymer (a1) having an amide group and an aromatic ring and/or an amide group-containing polymer precursor (a2) that changes to the amide group-containing polymer (a1) during sintering when forming the composition into a film, a content of the polyphenylene sulfide (B) is 1-50 mass % of a total of the polymer compound (A) and the polyphenylene sulfide (B), the perfluorinated fluororesin (C) includes tetrafluoroethylene in a range of 85.0-99.5 mol % and has a MFR in a range of 5-30 (g/10 min), and a content of the perfluorinated fluororesin (C) is 50.0-95.0 mass % of a total of the polymer compound (A), the polyphenylene sulfide (B), and the perfluorinated fluororesin (C).

公开(公告)号：US20240141195A1

公开(公告)日：2024-05-02

申请号：US18409155

申请日：2024-01-10

Applicant: DAIKIN INDUSTRIES, LTD.

Inventor： Hirotake IMADA ,  Toshio MIYATANI ,  Yukari HONDA

IPC: C09D127/18 ,  B05D1/04 ,  C09D7/48

CPC classification number: C09D127/18 ,  B05D1/04 ,  C09D7/48

Abstract: A powder coating material composition including a tetrafluoroethylene-based copolymer, wherein the tetrafluoroethylene-based copolymer is a copolymer of 9.0 to 13.0 mass % of hexafluoropropylene, 0.8 to 3.0 mass % of a perfluoroalkyl vinyl ether, and tetrafluoroethylene, having a melt flow rate of 13 to 26 g/10-min, a melting point of 240 to 270° C., an average particle size of 5 to 500 μm and an apparent density of 0.5 to 1.1 g/ml. Also disclosed is a film that is formed from the powder coating material composition, a laminate including the film, a coated article wherein the film of the powder coating material composition is provided on a metal substrate, and a film-forming method which includes forming a primer film on an object to be coated, and forming a film on a surface of the primer film using the powder coating material composition.

公开(公告)号：US20230399536A1

公开(公告)日：2023-12-14

申请号：US18456592

申请日：2023-08-28

Applicant: DAIKIN INDUSTRIES, LTD.

Inventor： Hirotake IMADA ,  Yasukazu NAKATANI

IPC: C09D127/18 ,  C09D127/20 ,  C09D179/08 ,  C09D5/08 ,  C09D5/26

CPC classification number: C09D127/18 ,  C09D127/20 ,  C09D179/08 ,  C09D5/08 ,  C09D5/26

Abstract: A meltable fluororesin primer including a tetrafluoroethylene/hexafluoropropylene copolymer (FEP) particles, a heat-resistant resin, a nonionic surfactant, an acetylenic diol-based surfactant and water, wherein: the FEP particles have an average particle size of 10 to 60 μm; the heat-resistant resin is selected from polyamideimide resins, polyethersulfone resins and polyimide resins; the solid content mass ratio between the FEP particles and the heat-resistant resin is 50:50 to 95:5; the nonionic surfactant is a polyoxyethylene alkyl ether surfactant; and the meltable fluororesin primer contains 10 to 60% by mass of water based on the meltable fluororesin primer. Also disclosed is a primer film formed from the meltable fluororesin primer, a laminate including a film containing a meltable perfluoropolymer provided on the primer film, and a coated article including the laminate.

公开(公告)号：US20220081584A1

公开(公告)日：2022-03-17

申请号：US17532461

申请日：2021-11-22

Applicant: DAIKIN INDUSTRIES, LTD.

Inventor： Hirotake IMADA ,  Yasukazu Nakatani

IPC: C09D127/18 ,  C09D7/65 ,  C09D7/63 ,  C09D7/20 ,  C09D5/00

Abstract: A primer for an ETFE coating material containing: ethylene/tetrafluoroethylene copolymer (ETFE) particles; a heat-resistant resin; and a nonionic surfactant. The ETFE particles have an average particle size of 5.0 to 50 μm. The heat-resistant resin includes at least one selected from polyamide-imide resin, polyethersulfone resin, and polyimide resin. The ETFE particles and the heat-resistant resin have a solid content ratio by mass of 60:40 to 90:10. The nonionic surfactant includes a polyoxyethylene alkyl ether surfactant. Also disclosed is a primer film obtained from the primer for an ETFE coating material as well as a coated article.