Film-forming pigments and coating system including the same

A coating and system technology, applied in the directions of pigment slurry, transportation and packaging, inorganic pigment treatment, etc., can solve the problems of reduced adhesion between pigment and coating film, easy decolorization, and limited scratch resistance of the coating.

Inactive Publication Date: 2012-02-01
SILBERLINE MFG CO INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In this case, the adhesion of the pigment to the film is reduced and it is exposed to the external environment
The result is a final coating with limited scratch resistance and prone to discoloration

Method used

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  • Film-forming pigments and coating system including the same
  • Film-forming pigments and coating system including the same
  • Film-forming pigments and coating system including the same

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0057] Embodiment 1: the preparation of the aluminum pigment of styrene coating

[0058] Get 480g aluminum paste (Silberline Sparkle Premium 695, non-volatile matter accounted for 75.28%), 1200mL toluene and 3mL 3-(trimethoxysilylpropyl)-2-bromo-2-methylpropionate, added to a 2L reaction bottle. The reaction mixture was heated and then heated to reflux for 24 hours. After the reaction time had elapsed, the mixture was allowed to cool to room temperature. The reaction flask was vacuum filtered and washed twice with toluene.

[0059] Take 32.3g of initiator-modified aluminum paste (containing 20g of non-volatile substances), 0.423g of CuBr, 200mL of styrene and 190mL of propylene glycol methyl ether acetate and add them to a 500mL reaction flask equipped with a mechanical stirrer and a heating mantle: use nitrogen gas The solution was degassed and heated to 80°C with continuous stirring. In a separate bottle, degas pentamethyldiethylenetriamine (PMDETA) with nitrogen for 3...

Embodiment 2

[0060] Example 2: Small amount of resinous paint formed from the polystyrene-coated aluminum of Example 1

[0061] A small amount of resin paint made from the pigment obtained in Example 1 was obtained by diluting the wet paste with propylene glycol methyl ether acetate. The pigment concentration in the final paint was 10.1% by weight. The paint was siphon-sprayed onto plastic panels made of polyethylene, poly(methyl methacrylate), and acrylonitrile-butadiene-styrene (ABS). Place the painted panels in the oven for further drying.

Embodiment 3

[0062] Embodiment 3: the preparation of the aluminum pigment of poly (methyl methacrylate) coating

[0063] Get 4.8kg aluminum paste (Silberline Sparkle Premium 695, non-volatile matter accounted for 75.68%), 12L propylene glycol methyl ether acetate and 16mL 3-(trimethoxysilylpropyl)-2-bromo-2-methylpropionate, added to a In the 20L reaction bottle of the device and the condenser. The reaction mixture was heated and then heated to reflux for 6 hours. After the reaction time had elapsed, the mixture was cooled to room temperature. The reaction flask was vacuum filtered and washed twice with propylene glycol methyl ether acetate.

[0064] Take 61.6g of initiator-modified aluminum paste (containing 40g of non-volatile matter), 0.106g of CuBr, 200mL of methyl methacrylate and 180mL of propylene glycol methyl ether acetate, and add to a 500mL reaction flask equipped with a mechanical stirrer and a heating mantle Middle: The solution was degassed with argon and heated to 80° C...

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Abstract

A coated pigment that includes polymer encapsulations which act as a pigment dispersant and film forming agent, coating systems that include the coated pigment and methods for producing the coated pigment and the coating system are described. The polymer encapsulations of the coated pigments allow the coated pigments that are included in the coating system to be dispersed without the addition of any other dispersants and / or resins. Thus, the disclosed coated pigments simplify the process of making coating systems. The disclosed coated pigments also extend the shelf-life of the coating systems, and provide a final coating with enhanced pigment orientation and aesthetics.

Description

technical field [0001] The present application generally relates to coating pigments / coating pigments (coated pigments) and coating systems / coating systems (coating systems) comprising the coating pigments / coating pigments, in particular to polymer coating pigments / coating pigments Methods of designing and producing coated pigments / coated pigments, and the design of coating systems comprising coated pigments / coated pigments. Background technique [0002] The main components of paints and inks are pigments, resins and solvents. While resins are primarily responsible for film formation and adhesion of the paint to the substrate, pigments are used extensively in the paint / ink industry to add aesthetics or protection to the coated substrate. The degree of dispersion of the pigments and their interaction with the resins, solvents and other ingredients in the paint / ink have a great influence on the characteristics of the paint / ink and the performance of the final coating. Howeve...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D7/12C09D11/00C09D17/00C08F292/00C09D7/62
CPCC09C1/644C08K9/08C08K3/22C09C3/10C09D7/1225C08K3/0033C09D5/028C08K3/34C08K3/08C09D7/62C08K3/013Y10T428/2998Y10T428/2991Y10T428/31678C09C3/00C09C1/00C01P2004/80
Inventor 徐昶林海晖P·J·M·李奇比
Owner SILBERLINE MFG CO INC
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