Looking for breakthrough ideas for innovation challenges? Try Patsnap Eureka!

Paint composition and method for forming multilayered coating

一种多层涂膜、组合物的技术，应用在涂层、聚醚涂料、环氧树脂涂料等方向，能够解决多层涂膜不足成品外观等问题，达到优异平滑度和鲜映性、提高遮盖、改进热流动性的效果

Active Publication Date: 2015-08-26
KANSAI PAINT CO LTD
View PDF8 Cites 3 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, multilayer coating films obtained by this method may have an insufficient finished appearance

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • Paint composition and method for forming multilayered coating

Examples

Experimental program
Comparison scheme
Effect test

preparation example 1

[0181] 70.7 parts of deionized water and 0.52 parts of "Aqualon KH-10" (trade name, produced by Dai-ichi Kogyo Seiyaku Co., Ltd., emulsifier, active ingredient: 97%) were placed in a device equipped with a thermometer, a thermostat, Stirrer, reflux condenser, and dropping funnel in a reactor, and mixed by stirring in a nitrogen stream, and the mixture was heated to 80°C. Subsequently, 1% of the total amount of the monomer emulsion described below and 5 parts of a 6% ammonium persulfate aqueous solution were introduced into the reactor, and maintained at 80° C. for 15 minutes. The remaining monomer emulsion was then added dropwise to the reactor over 3 hours while maintaining the temperature of the reactor. After the dropwise addition was completed, the mixture was aged for 1 hour. Then, while gradually adding 40 parts of 5% 2-(dimethylamino)ethanol aqueous solution to the reactor, the mixture was cooled to 30° C., and filtered through 100-mesh nylon cloth to obtain 45% solid ...

preparation example 2

[0184] 130 parts of deionized water and 0.52 parts of "Aqualon KH-10" were placed in a reactor equipped with a thermometer, thermostat, stirrer, reflux condenser, and dropping funnel, and mixed by stirring in a nitrogen stream, and The mixture was heated to 80°C. Subsequently, 1% of the total amount of the monomer emulsion (1) described below and 5.3 parts of a 6% ammonium persulfate aqueous solution were introduced into the reactor, and maintained at 80° C. for 15 minutes. The remaining monomer emulsion (1) was then added dropwise to the reactor over 3 hours while maintaining the temperature of the reactor. After the dropwise addition was completed, the mixture was aged for 1 hour. Then the monomer emulsion (2) described below was added dropwise over 1 hour, and the mixture was aged for 1 hour, after which, while 40 parts of 5% dimethylethanolamine aqueous solution was gradually added to the reactor, the mixture was cooled to 30° C., and filtered through 100-mesh nylon clot...

preparation example 3

[0189] Put 174 parts of trimethylolpropane, 327 parts of neopentyl glycol, 352 parts of adipic acid, 109 parts of isophthalic acid and 101 parts of 1,2-cyclohexanedicarboxylic anhydride into a device equipped with a thermometer, a thermostat, Stirrer, reflux condenser and water separator in the reactor, and the mixture was heated from 160°C to 230°C over 3 hours. The obtained condensation water was distilled off by a water separator, and the reaction was performed while maintaining the temperature at 230° C. until an acid value of 3 mg KOH / g or less was obtained. 59 parts of trimellitic anhydride was added to the reaction product, and an addition reaction was performed at 170° C. for 30 minutes. The resulting product was then cooled to below 50°C and neutralized according to the acid groups by an equal amount of 2-(dimethylamino)ethanol. Subsequently, deionized water was gradually added to obtain a hydroxyl-containing polyester resin solution (I-2-1) having a solid concentrat...

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

PUM

PropertyMeasurementUnit
acid valueaaaaaaaaaa
hydroxyl valueaaaaaaaaaa
hydroxyl valueaaaaaaaaaa
Login to View More

Abstract

A paint composition containing a carboxyl-group-containing compound (A), a polyepoxide (B), and specific polyol (C) having a number-average molecular weight in the range of 300 to 1500; and a method for forming a multilayered coating for sequentially applying an aqueous first colored paint, an aqueous second colored paint, and a clear paint on an object to be painted using the paint composition as the clear paint, and heat curing the paint in a single process to form a multilayered coating.

Description

[0001] Cross References to Related Applications [0002] This application claims priority from Japanese Patent Application No. 2012-279909 filed on December 21, 2012, the entire contents of which are incorporated herein by reference. technical field [0003] The present invention relates to a coating composition and a method of forming a multilayer coating film using the coating composition. Background technique [0004] As a method of forming a coating film on an automobile body, a 3-coat 2-bake method and a 2-coat 2-bake method have been widely used. The 3-coating 2-baking method comprises the following steps in sequence: after making the object to be coated undergo electrodeposition coating and heat curing, coating the mid-coat coating composition→heat curing→coating the primer coating composition→preheating (preliminary) heating) → coating of the clear coating composition → heat curing. The 2-coating 2-baking method sequentially includes the following steps: after subj...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

Application Information

Patent Timeline
no application Login to View More
Patent Type & Authority Applications(China)
IPC IPC(8): C09D163/00B05D1/36C08G59/40C09D7/12C09D133/14C09D169/00C09D171/02
CPCC09D133/08C09J133/08C08F220/14C09D163/00C08G59/40B05D7/572C09D171/02C09D17/00C09D169/00C09D7/12C08F220/18B05D7/148C08K5/19C08K5/3435C08K5/3475C08K5/5419C08L2205/03C09D7/63C08F220/1802C08F220/1804C08F220/1808C08L71/02C08F220/20C08F220/06C08F212/08C08F222/385Y10T428/31507Y10T428/31511C09D133/02C09D133/14C09D7/40
Inventor 大西康平
Owner KANSAI PAINT CO LTD
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Patsnap Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Patsnap Eureka Blog
Learn More
PatSnap group products

Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic, Popular Technical Reports.

© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap|About US| Contact US: help@patsnap.com