IP Library Granted Patent US 9,932,491
Granted Patent B2
US 9,932,491 · App. 14/666,858 · Granted Apr 3, 2018

Method for preparing emulsion for cationic electrodeposition coating composition in emulsification field and transporting method for aminated resin

Inventors: Takeshi Hara (Osaka, JP); Nobuhiro Miyamae (Osaka, JP); Makoto Andou (Osaka, JP); Masahiko Harada (Osaka, JP); Noriyuki Nakazawa (Osaka, JP)
Assignee: NIPPON PAINT AUTOMOTIVE COATINGS CO., LTD.
C09D163/00C08G59/066C08G59/1477
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Quick Facts
Patent No.
US 9,932,491
App. No.
14/666,858
Granted
Apr 3, 2018
Kind
B2
Abstract

A method for preparing an emulsion for a cationic electrodeposition coating composition at an emulsification field, wherein the method includes synthesizing a base resin for a cationic electrodeposition coating composition, removing the base resin in a liquid state from a reaction vessel and then changing the resin into a solid state, and optionally, adjusting a size of the resin into an predetermined size, and emulsifying the resin at the emulsification field by adding water and an optional solvent, a neutralizing agent, a curing agent or additives, wherein the base resin is an aminated resin and has a softening point of 20-90° C., and wherein the adjusted shortest size of the base resin is 40 cm or less. Furthermore, the present application relates to a method for transporting a resin for cationic electrodeposition coating composition.

Claims (22)

1. A method for preparing an emulsion for a cationic electrodeposition coating composition at an emulsification field comprising a step of synthesizing a base resin for a cationic electrodeposition coating composition, removing the base resin in a liquid state from a reaction vessel and then changing the resin into a solid state, and, optionally adjusting a size of the resin into a predetermined size, and, at the emulsification field, emulsifying the resin by adding water and an optional solvent, a neutralizing agent, a curing agent or additives

wherein the base resin is an aminated resin and has a softening point of 20-90° C., and

wherein, when the aminated resin has been adjusted, the aminated resin has an adjusted shortest size of 40 cm or less.

2. The method for preparing an emulsion for a cationic electrodeposition coating composition at an emulsification field according to claim 1 , wherein the aminated resin in a solid state has a solvent of 10 weight % or less based on the total weight of the aminated resin.

3. The method for preparing an emulsion for a cationic electrodeposition coating composition at an emulsification field according to claim 1 , wherein an adjustment of the size is performed by pulverization or granulation, wherein the adjustment of the size is performed in a step of changing the base resin from a liquid state into a solid state, or immediately after the aminated resin is changed into a solid state, or subsequent steps, or a combination thereof.

4. The method for preparing an emulsion for a cationic electrodeposition coating composition at an emulsification field according to claim 1 , wherein the resin is transported in a solid state or after adjusting a size of the resin.

5. A method for preparing an emulsion for a cationic electrodeposition coating composition at an emulsification field comprising a step of synthesizing an aminated resin for a cationic electrodeposition coating composition, removing the aminated resin in a liquid state from a reaction vessel and then changing the aminated resin into a solid state, and transporting the aminated resin to the emulsification field, then adjusting a size of the aminated resin in a solid state into a predetermined size, and emulsifying the aminated resin by adding water and an optional solvent, a neutralizing agent, a curing agent or additives,

wherein the aminated resin has a softening point of 20-90° C., and

wherein the aminated resin has an adjusted shortest size of 40 cm or less.

6. A method for preparing an emulsion for a cationic electrodeposition coating composition at an emulsification field comprising a step of removing a base resin for a cationic electrodeposition coating composition in a liquid state from a reaction vessel, then, changing the resin into a solid state, and adjusting the resin to a predetermined size, transporting the resin to the emulsification field, and emulsifying the resin by adding water and an optional solvent, a neutralizing agent, a curing agent or additives,

wherein the base resin is an aminated resin and has a softening point of 20-90° C., and

wherein the aminated resin has an adjusted shortest size of 40 cm or less.

7. A method for transporting a base resin for a cationic electrodeposition coating composition comprising a step of removing a base resin for a cationic electrodeposition coating composition in a liquid state from a reaction vessel, then, changing the resin into a solid state, and, optionally adjusting the resin to a predetermined size, and transporting it,

wherein the base resin is an aminated resin and has a softening point of 20-90° C., and

wherein, when the aminated resin has been adjusted, the aminated resin has an adjusted shortest size of 40 cm or less.

8. The method for transporting a base resin for a cationic electrodeposition coating composition according to claim 7 ,

wherein the animated resin in a solid state has the solvent of 10 weight % or less based on the total weight of the animated resin.

9. The method for transporting a base resin for a cationic electrodeposition coating composition according to claim 7 , wherein an adjustment of the size is performed by pulverization or granulation, wherein the adjustment of the size is performed in a step of changing the animated resin from a liquid state into a solid state, or immediately after the resin is changed into a solid state, or subsequent steps, or a combination thereof.

10. A method for preparing an emulsion for a cationic electrodeposition coating composition at an emulsification field comprising a step of transporting a solid state base resin for a cationic electrodeposition coating composition to an emulsification field, then, adjusting the resin into a predetermined size, and emulsifying the resin by adding water and an optional solvent, a neutralizing agent, a curing agent or additives,

wherein the base resin is an aminated resin and has a softening point of 20-90° C., and

wherein the aminated resin has an adjusted shortest size 40 cm or less.

11. The method for preparing an emulsion for a cationic electrodeposition coating composition at an emulsification field according to claim 10 , wherein the animated resin in a solid state comprises a solvent of 10 weight % or less based on the total weight of the animated resin.

Assignments (3)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Nov 30, 2016
From: NIPPON PAINT HOLDINGS CO., LTD.
To: NIPPON PAINT AUTOMOTIVE COATINGS CO., LTD.
Reel/Frame 040468/0372 →
CHANGE OF NAME Recorded Nov 2, 2016
From: NIPPON PAINT CO., LTD.
To: NIPPON PAINT HOLDINGS CO., LTD.
Reel/Frame 040543/0745 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded May 12, 2015
From: HARA, TAKESHI; MIYAMAE, NOBUHIRO; ANDOU, MAKOTO; HARADA, MASAHIKO; NAKAZAWA, NORIYUKI
To: NIPPON PAINT CO., LTD.
Reel/Frame 035616/0361 →
Priority Claims (1)
JP 2014-064384 · Mar 26, 2014 · national
Continuity (1)
Related Publication 20150275030A1 · Oct 1, 2015