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Metal powder directional resin composition

A technology of resin composition and metal powder, applied in the direction of coating, etc., can solve the problems of poor solvent resistance and interlayer adhesion, poor weather resistance without nitrocellulose, halogen-containing vinyl acetate resin, etc., and achieve excellent gloss The effect of promoting the alignment of metal powder and good adhesion

Active Publication Date: 2012-07-18
ETERNAL MATERIALS CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] In view of this, the present invention provides a metal powder orientation resin composition, which has excellent metal powder orientation alignment effect, good solvent resistance and weather resistance, and good interlayer adhesion, so it can solve the problem of cellulose acetate butyrate resistance. Problems such as poor solvent resistance and interlayer adhesion, and no problems of poor weather resistance of nitrocellulose and halogen-containing vinyl chloride resin

Method used

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  • Metal powder directional resin composition
  • Metal powder directional resin composition
  • Metal powder directional resin composition

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0034] Preparation of Embodiment 1 Metal Powder Oriented Resin Composition

[0035] Take 580 grams of toluene and put it into a four-necked reaction flask and heat it to 85°C. Mix 50 grams of isobornyl methacrylate monomer, 250 grams of methyl methacrylate monomer, and 150 grams of butyl methacrylate monomer. Body, 50 grams of butyl acrylate monomer, 70 grams of polyester resin (ETERKYD 3330-X-70-2 (Changxing)) and 10 grams of benzoyl peroxide are pre-mixed and dropped into the reaction bottle for about 2 hours After dripping, keep warm and solidify for 3 hours, pack it, and measure it with a Grignard viscometer (BYK-Gardner viscosity tube) to obtain a resin with a viscosity of Z1-Z2 and a solid content of 50%.

Embodiment 2

[0036] Embodiment 2 Preparation of Metal Powder Oriented Resin Composition

[0037] Put 295 grams of toluene and 260 grams of butyl acetate into a four-necked reaction flask and heat to 115°C, and mix 75 grams of isobornyl methacrylate monomer, 300 grams of methyl methacrylate monomer, 75 After the butyl acrylate monomer of gram, the butyl methacrylate monomer of 50 grams, the polyester resin (ETERKYD 5052-R-60 (Changxing)) of 50 grams are premixed with 5 grams of tert-butyl peroxybenzoate, Drop into the reaction bottle, drop it in about 2 hours, keep warm and solidify for 3 hours, pack it, and measure it with a gremlin viscometer (BYK-Gardner viscosity tube) to obtain a resin with a viscosity of Y~Z and a solid content of 50%.

Embodiment 3

[0038] Embodiment 3 Preparation of Metal Powder Oriented Resin Composition

[0039] Put 250 grams of xylene and 250 grams of butyl acetate into a four-necked reaction flask and heat to 125°C, and mix 25 grams of isobornyl methacrylate monomer, 225 grams of methyl methacrylate monomer, 150 grams of styrene, 50 grams of isobutyl acrylate monomer, 50 grams of hydroxyethyl acrylate monomer and 5 grams of tert-butyl peroxybenzoate are pre-mixed and dropped into the reaction bottle for about 3 hours Finished, and heat preservation and solidification for 3 hours, then packaged, measured with a Grücke viscometer (BYK-Gardner viscosity tube) to obtain a resin with a viscosity of X to Y and a solid content of 50%.

[0040] The components of the resin compositions of the aforementioned Examples 1 to 3 are organized in Table 1 below.

[0041] Table 1

[0042]

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Abstract

The present invention provides a metal powder directional resin composition comprising polymer and solvent, wherein the polymer comprises following monomers as polymerization units: (a) a methyl methacrylate monomer; (b) a monomer with a high glass-transition temperature; and (c) a monomer with a low glass-transition temperature, wherein, weight-average molecular weight of the polymer is at least about 50000. The metal powder directional resin composition of the present invention has a significant effect for direction arrangement of metal power, and can be used in metallic paint. In addition, the metal powder directional resin composition has the advantages of good water resistance and good alcohol resistance, perfect compatibility with other resin, capacity for showing higher brightness and metal mirror effect.

Description

technical field [0001] The invention relates to a metal powder oriented resin composition, in particular to a metal powder oriented resin composition which can be used in metal coating compositions. Background technique [0002] The metal polishing of automobiles is usually pretreated by zinc phosphate, etc., and then coated with metallic paint, followed by wet-on-wet (wet-on-wet) coating of clear paint on it, and then baking the two coatings together. form. [0003] Known metallic paints, such as metallic paints or silver powder paints, refer to paints doped with aluminum powder to make the painted car body or 3C electronic product surface bright, and under different angles, Due to the reflection of light, the color appearance of the car body or 3C electronic products looks richer and fuller in color. However, the aluminum powder used in general metal paint or silver powder paint has a flake structure and is irregularly arranged in the paint, so the reflection paths of li...

Claims

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Application Information

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IPC IPC(8): C09D7/12C09D1/00
Inventor 萧伯卓萧裕霖吴兼昇
Owner ETERNAL MATERIALS CO LTD
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