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Multifunctional pure polyester TGIG powder coating and preparation method thereof

A technology of TGIC and powder coatings, applied in powder coatings, polyester coatings, coatings, etc., can solve the problems of single function, poor weather resistance, single decoration effect, etc., and achieve simple process, reduced toxicity, excellent weather resistance and durability aging effects

Inactive Publication Date: 2019-01-18
佛山市三水固丽雅五金装饰材料有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Pure polyester powder coatings are widely used in the fields of automobiles, machinery, instruments, housings of household appliances, and construction industries. The disadvantages are that their weather resistance is far inferior to that of fluorocarbon powder coatings, and they have single functions and single decorative effects.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0022] A kind of multifunctional pure polyester TGIC powder coating, comprises A component and B component, and its A component comprises pure polyester resin 30 parts, TGIC curing agent 0.5 parts, tourmaline composite filler 10 parts, 5 parts of pearlescent pigments, 0.05 parts of hydrophobic fumed silica, 6 parts of coloring pigments, 1 part of hydroxymethyl cellulose; by weight of raw materials, component B includes 12 parts of pure polyester resin, 0.01 part of hydroxyalkylamide, 0.2 parts of rosin glyceride, 3 parts of nano titanium dioxide suspension with a solid content of nano titanium dioxide of 70%.

[0023] Wherein, the tourmaline composite filler is compounded by tourmaline powder and precipitated barium sulfate powder in a weight ratio of 3:1; the colored pigment is compounded by carbon black and iron oxide brown.

[0024] Preparation:

[0025] 1) Place the other raw materials in component A except pearlescent pigments in a high-speed mixer and mix them evenly by...

Embodiment 2

[0029] A kind of multifunctional pure polyester TGIC powder coating, comprises A component and B component, and its A component comprises pure polyester resin 50 parts, TGIC curing agent 0.3 part, tourmaline composite filler 20 parts, 3 parts of pearlescent pigments, 0.1 parts of hydrophobic fumed silica, 2 parts of coloring pigments, 2 parts of hydroxymethyl cellulose; in parts by weight of raw materials, component B includes 8 parts of pure polyester resin, 0.05 parts of hydroxyalkylamide, 0.1 part of rosin glyceride, 2 parts of nano titanium dioxide suspension with a solid content of nano titanium dioxide of 90%.

[0030] Wherein, the tourmaline composite filler is compounded by tourmaline powder and precipitated barium sulfate powder in a weight ratio of 3:1; the colored pigment is compounded by iron red and iron blue.

[0031] Preparation:

[0032] 1) Put the other raw materials in component A except pearlescent pigments in a high-speed mixer and mix them evenly by weigh...

Embodiment 3

[0036] A kind of multifunctional pure polyester TGIC powder coating, comprises A component and B component, and its A component comprises pure polyester resin 40 parts, TGIC curing agent 0.4 part, tourmaline composite filler 15 parts, 4 parts of pearlescent pigments, 0.08 parts of hydrophobic fumed silica, 4 parts of coloring pigments, 1.5 parts of hydroxymethyl cellulose; in parts by weight of raw materials, component B includes 10 parts of pure polyester resin, 0.02 parts of hydroxyalkylamide, 0.1 part of rosin glyceride, 2 parts of nano-titanium dioxide suspension with 80% solid content of nano-titanium dioxide.

[0037] Wherein, the tourmaline composite filler is compounded by tourmaline powder and precipitated barium sulfate powder in a weight ratio of 3:1; the colored pigment is compounded by carbon black, iron yellow and iron blue.

[0038] Preparation:

[0039] 1) Put the other raw materials in component A except pearlescent pigments in a high-speed mixer and mix them...

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PUM

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Abstract

The invention discloses a multifunctional pure polyester TGIG powder coating. The powder coating contains a component A and a component B, wherein the component A contains the following raw materialsin parts by weight: 30-50 parts of pure polyester resin, 0.3-0.5 part of a TGIC curing agent, 10-20 parts of a composite tourmaline filler, 3-5 parts of a pearlescent pigment, 0.05-0.1 part of a dispersing agent, 2-6 parts of a tinting pigment and 1-2 parts of a flatting agent; and the component B contains the following raw materials in parts by weight: 8-12 parts of pure polyester resin, 0.01-0.05 part of hydroxyalkyl amide, 0.1-0.2 part of a light stabilizer and 2-3 parts of nano-titanium dioxide suspension liquid. By adding the composite tourmaline filler and the pearlescent pigment into the component A, the powder coating is endowed with the functions of releasing anions and realizing a pearlescent decoration effect; and meanwhile, by adding the nano-titanium dioxide suspension liquid,the powder coating is endowed with excellent weather resistance and ageing resistance. The invention further discloses a preparation method of the powder coating. The preparation method is simple inprocess and suitable for large-scale industrial production.

Description

technical field [0001] The invention relates to the field of functional powder coatings, in particular to a pure polyester TGIC powder coating. Background technique [0002] Powder coating refers to a solvent-free 100% solid powder coating, which has the characteristics of solvent-free, pollution-free, recyclable, environmentally friendly, energy and resource saving, labor-intensive reduction and high mechanical strength of the coating film. Thermosetting powder coating refers to the use of thermosetting resin as a film-forming substance, adding a curing agent for crosslinking reaction and heating to form an insoluble and infusible hard coating. Thermosetting powder coatings have good leveling properties and strong decorative properties, and the low molecular weight prepolymers can form network crosslinked macromolecules after curing, so the coatings have good corrosion resistance and mechanical properties. , so the development of thermosetting powder coatings is particular...

Claims

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Application Information

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IPC IPC(8): C09D167/00C09D5/03C09D7/61C09D7/63C09D7/65
CPCC08K2003/2241C08K2003/3045C08K2003/387C08K2201/011C08L2205/025C08L2205/035C09D5/033C09D167/00C08L67/00C08L93/04C08L1/284C08K13/02C08K5/092C08K3/38C08K3/30C08K3/36C08K3/22
Inventor 伊伶旺黄世杰
Owner 佛山市三水固丽雅五金装饰材料有限公司