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Low-temperature curing flame-retardant finishing powder paint and preparation method thereof

A powder coating, low temperature technology, applied in powder coatings, polyester coatings, epoxy resin coatings, etc., can solve the problems of no flame retardant effect and low temperature curing, achieve good fire protection effect, improve fire resistance and flame retardant. Ability, good decorative effect

Inactive Publication Date: 2012-03-28
GUANGZHOU QINGTIAN INDAL
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, similar products in the prior art are mainly low-temperature curing powder coatings without flame-retardant effects, or flame-retardant and fire-resistant powder coatings without low-temperature curing properties

Method used

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  • Low-temperature curing flame-retardant finishing powder paint and preparation method thereof
  • Low-temperature curing flame-retardant finishing powder paint and preparation method thereof
  • Low-temperature curing flame-retardant finishing powder paint and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0033] A low-temperature curing and flame-retardant and fireproof decorative powder coating, its components and weight ratio are as follows:

[0034]

[0035] Preparation:

[0036] (1) Weigh saturated carboxyl polyester resin, bisphenol A epoxy resin, barium sulfate, acrylate leveling agent 502, benzoin, breather 703, brightening agent 701, ammonium polyphosphate, pentaerythritol, melamine and Put the carbon black in the mixer, fully mix and crush for 1 to 5 minutes;

[0037] (2) The crushed material enters the twin-screw extruder for extrusion; the heating temperature of the extruder is controlled at 80-90°C;

[0038] (3) The extruded material is compressed into tablets, cooled, pulverized into a powder with an equivalent particle diameter D50 of 50 microns, and then sieved and packed.

Embodiment 2

[0040] A low-temperature curing and flame-retardant and fireproof decorative powder coating, its components and weight ratio are as follows:

[0041]

[0042] Preparation:

[0043] (1) Take saturated carboxyl polyester resin, bisphenol A type epoxy resin, barium sulfate, calcium carbonate, titanium dioxide, acrylate leveling agent 502, ammonium polyphosphate, dipentaerythritol, melamine and carbon black in proportion In the mixing tank, fully mix and crush for 1 to 5 minutes;

[0044] (2) The crushed material enters the twin-screw extruder for extrusion; the heating temperature of the extruder is controlled at 80-90°C;

[0045] (3) The extruded material is compressed into tablets, cooled, pulverized into a powder with an equivalent particle diameter D50 of 50 microns, and then sieved and packed.

Embodiment 3

[0047] A low-temperature curing and flame-retardant and fireproof decorative powder coating, its components and weight ratio are as follows:

[0048]

[0049]

[0050] Preparation:

[0051] (1) Weigh saturated carboxyl polyester resin, bisphenol A type epoxy resin, barium sulfate, titanium dioxide, acrylate leveling agent 502, benzoin, breathable agent 703, brightening agent 701, ammonium polyphosphate, pentaerythritol Put it in a mixer with melamine, mix thoroughly and crush for 1 to 5 minutes;

[0052] (2) The crushed material enters the twin-screw extruder for extrusion; the heating temperature of the extruder is controlled at 80-90°C;

[0053] (3) The extruded material is compressed into tablets, cooled, pulverized into a powder with an equivalent particle diameter D50 of 50 microns, and then sieved and packed.

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PUM

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Abstract

The invention discloses a low-temperature curing flame-retardant finishing powder paint. The paint comprises the following components in part by weight: 50 to 150 parts of polyester alkyd, 50 to 150 parts of epoxy resin, 0 to 10 parts of aid, 0 to 200 parts of filler, 30 to 100 parts of acid source, 30 to 100 parts of carbon source, 30 to 100 parts of gas source and 0 to 30 parts of pigment. The invention also discloses a preparation method for the finishing powder paint. The powder paint has the characteristics of simple formula, high decoration, and capacity of obviously improving the flame retarding capacity of base materials after being painted on heat sensitive base materials, can be painted on combustible heat sensitive base materials such as medium density fiberboard (MDF), sandwich plates, bakelite plates and the like, and belongs to energy-saving environmentally-friendly paint products.

Description

technical field [0001] The invention relates to a powder coating, in particular to a low-temperature-cured, flame-retardant and fireproof finishing powder coating, and also relates to a preparation method of the powder coating. Background technique [0002] Due to the 4E characteristics of high efficiency, ecology, environmental protection and economy, powder coatings have developed rapidly since the 1990s. [0003] Whether the early powder coatings are thermoplastic or thermosetting, their film-forming and curing temperatures are very high, generally baked at 180 ° C for 10 to 20 minutes, and due to the limitation of coating curing technology, its application range is limited For metal heat-resistant substrates such as steel and aluminum plates. On the other hand, high curing temperature also means high energy consumption. According to research, every 10°C reduction in curing temperature can save about 10% of coating energy consumption. Therefore, in recent years, the low...

Claims

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Application Information

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IPC IPC(8): C09D167/00C09D163/00C09D163/02C09D7/12C09D5/03
Inventor 胡百九高庆福史中平张捷杨璠王景宏周和荣
Owner GUANGZHOU QINGTIAN INDAL
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