Method of producing coating composition and coating composition made therefrom

A composition and coating technology, applied in the direction of powder coating, coating, coating non-metallic protective layer, etc.

Inactive Publication Date: 2005-05-11
EI DU PONT DE NEMOURS & CO
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, such coating compositions are difficult to apply using ordinary spray techniques, and they tend to produce coatings that are lumpy or have a rough surface

Method used

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  • Method of producing coating composition and coating composition made therefrom
  • Method of producing coating composition and coating composition made therefrom
  • Method of producing coating composition and coating composition made therefrom

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0165] Embodiment 1 (contrast)

[0166] The primer was prepared by mixing together 600 grams of 615S Variprime(R) self-corrosion primer with 400 grams of 616S Converter, both supplied by DuPont Company, Wilmington, Delaware.

Embodiment 2

[0168] Example 1 was mixed with 17.50 grams of Slurry 3 to produce Example 2.

Embodiment 3

[0169] Embodiment 3 (contrast)

[0170] A two-pack primer was prepared by mixing together 954.40 grams of 4004S Ultra Productive 2K Primer-Filler (gray), 85.31 grams of 1085S ChromaSystem® Mid-Temp Reducer, and 143.40 grams of 4075S Ultra Productive Mid Temp Activator. All courtesy of DuPont Company, Wilmington, Delaware.

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Abstract

The present invention relates to a method of producing coating compositions having improved chip resistance. The method comprises contacting organic fibers with a medium comprising a liquid component and a solid component, agitating the medium and the organic fibers to convert the organic fibers into a microslurry dispersed in the medium, separating the solid components from the medium to form a slurry; and adding the slurry or an aliquot thereof to the coating composition. The coating composition can be used in automotive OEM or refinishing applications as well as in industrial coating applications.

Description

technical field [0001] The present invention relates to a method of producing a dispersion of microslurries and to a coating composition comprising a dispersion of microslurries produced according to the method of the present invention. Background technique [0002] One of the many problems associated with coating compositions, such as those used in automotive refinishing or OEM (Original Equipment Manufacturer) applications, involves chipping of automotive paint, often caused by grit and stones. Several methods are known to improve the chip resistance of automotive OEM and refinish paint layers. One approach disclosed in JP4053878 involves the inclusion of organic fibers in coating compositions to improve the chip resistance of the floor of automobile bodies exposed to road surfaces. However, such coating compositions are difficult to apply using ordinary spray techniques, and they tend to produce coatings that are lumpy or have a rough surface. Therefore, there remains a...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D201/00C09D5/00C09D5/03C09D7/65C09D7/80C09D133/08H04L29/06H04L29/08H05K3/28
CPCC09D133/08C09D7/70C09D7/80C09D7/65C09D5/00C09D5/03
Inventor 雷内 J·凯利阿诺德·弗朗西丝K·S·柯申鲍姆
Owner EI DU PONT DE NEMOURS & CO
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