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Ceiling powder paint and preparation method thereof

A technology for powder coatings and ceilings, applied in powder coatings, polyester coatings, epoxy resin coatings, etc., can solve problems such as difficulty in adapting to the layering requirements of powder coatings, inability to adapt to fire protection and decorative requirements, and inability to meet decorative functions. Achieve the effect of preventing the generation and possible spread of flames, improving fire performance, and reducing production costs

Active Publication Date: 2012-08-22
广东华江粉末科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] 1. Some flame-retardant substances are added, which are difficult to adapt to the different layering requirements of the gloss of the powder coating. Although a certain flame-retardant effect is achieved, the decorative effect (especially the flatness) is poor and cannot meet the requirements of decorative functions. ;
[0005] 2. Some flame retardant substances are added, the flame retardant time and effect are poor, and there are shortcomings such as short ignition time, long burning time, low oxygen index, and short fire resistance time;
[0006] The bigger defect is that the added flame retardant substances have poor compatibility with the main film-forming substances in the original powder coatings, and cannot be well attached to the decorated objects, so they can no longer adapt to the increasing fire prevention and environmental protection in people's production and life. decoration requirements

Method used

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  • Ceiling powder paint and preparation method thereof
  • Ceiling powder paint and preparation method thereof
  • Ceiling powder paint and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0062] Follow the steps below to prepare powder coatings for ceilings (e.g. figure 1 shown):

[0063] In the first step, the raw materials of the following formula are premixed:

[0064] Carboxyl-terminated unsaturated polyester resin 24%

[0065] Epoxy 20%

[0066]Titanium dioxide 30%

[0067] Antimony trioxide 3%

[0068] Decabromodiphenyl ether 15%

[0069] Melamine 4%

[0070] Physical matting agent 2%

[0071] Brightener 1%

[0072] Leveling agent 1%;

[0073] Among them, the physical matting agent adopts a high melting point salt matting accelerator, specifically SA2165A produced by Lu'an Jietongda Chemical Co., Ltd., which is commercially available, and the brightener adopts acrylic acid copolymer, which is specifically produced by Fenghua Nanhai Pharmaceutical Group Co., Ltd. 701B, leveling agent adopts methyl acrylate produced by Shanghai Yuanhe Chemical Co., Ltd.;

[0074] In the second step, the pre-mixed raw materials are mixed and evenly dispersed with a...

Embodiment 2

[0082] Follow the steps below to prepare powder coatings for ceilings (e.g. figure 1 shown):

[0083] In the first step, the raw materials of the following formula are premixed:

[0084] Carboxyl-terminated unsaturated polyester resin 20%

[0085] Epoxy 26%

[0086] Titanium dioxide 33%

[0087] Antimony trioxide 5%

[0088] Decabromodiphenyl ether 10%

[0089] Melamine 3%

[0090] Physical matting agent 1.4%

[0091] Brightener 0.8%

[0092] Leveling agent 0.8%;

[0093] Among them, the physical matting agent adopts high melting point salt matting accelerator, specifically the commercially available Fenghua Nanhai Pharmaceutical Group Co., Ltd. 388-1, and the brightener adopts acrylic acid copolymer, specifically using Wuxi Wanli Chemical Co., Ltd. 931, leveling agent Ethyl acrylate produced by Shanghai Yuanhe Chemical Co., Ltd.;

[0094] In the second step, the pre-mixed raw materials are mixed and evenly dispersed with a single-screw reciprocating damping extruder...

Embodiment 3

[0098] Follow the steps below to prepare powder coatings for ceilings (e.g. figure 1 shown):

[0099] In the first step, the raw materials of the following formula are premixed:

[0100] Carboxyl-terminated unsaturated polyester resin 30%

[0101] Epoxy 23%

[0102] Titanium dioxide 28%

[0103] Antimony trioxide 3%

[0104] Decabromodiphenyl ether 10%

[0105] Melamine 2%

[0106] Physical matting agent 1.6%

[0107] Brightener 1.2%

[0108] Leveling agent 1.2%;

[0109] Among them, the physical matting agent adopts high melting point salt matting accelerator, specifically T-335 produced by Dongguan Zhongtian New Material Co., Ltd., and the brightener adopts acrylic acid copolymer, specifically 701B produced by Fenghua Nanhai Pharmaceutical Group Co., Ltd. The leveling agent is methyl acrylate produced by Shanghai Yuanhe Chemical Co., Ltd.;

[0110] In the second step, the pre-mixed raw materials are mixed and evenly dispersed with a single-screw reciprocating dampi...

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Abstract

The invention discloses a ceiling powder paint which comprises the following raw materials in percentage by mass: 20-30% of end-carboxyl unsaturated polyester resin, 20-30% of epoxy resin, 28-33% of titanium dioxide, 3-5% of antimony trioxide, 10-15% of decabromodiphenyl ether, 2-4% of melamine, 1-2% of physical flatting agent, 0.8-1.2% of brightener and 0.8-1.2% of leveling agent. The invention also discloses a preparation method of the powder paint, which comprises the steps of premixing, extruding, milling and post-mixing. Compared with the existing ceiling powder paint, the powder paint of the invention has the advantages of high oxygen index and long fire resistance time, and enhances the fire resistance of the ceiling.

Description

technical field [0001] The invention relates to a powder coating, in particular to a powder coating mainly applied to ceilings and a preparation method thereof. Background technique [0002] Fire-resistant coatings can be divided into water-based, solvent-based and powder-based according to the form, and can be divided into intumescent and non-expandable according to the fire-proof mechanism. With the continuous enhancement of people's awareness of environmental protection, powder coatings with the characteristics of "economy, environmental protection, high efficiency and energy saving" have been developed rapidly and are increasingly valued. Intumescent fire retardant coatings mainly form a dense and stable carbon layer (foam layer) through expansion and carbonization (foaming) when the coating is burned, which effectively separates the flame from the substrate, thereby achieving the purpose of flame retardancy. Non-intumescent fire retardant coatings mainly achieve the pu...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C09D167/06C09D163/00C09D7/12C09D5/03
Inventor 李佰战魏育福刘辰泽
Owner 广东华江粉末科技有限公司
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