Cork composite thermal insulation powder coating material, preparation method thereof and coating

A technology of powder coating and cork powder, which is applied in powder coatings, coatings, anti-corrosion coatings, etc., and can solve problems such as poor protection function, lack of elasticity and shock absorption, and poor comfort in cold winter

Inactive Publication Date: 2021-04-02
郑林义
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, calcium carbonate has poor chemical stability, is not resistant to acid and alkali, and is easily corroded; although barium sulfate is chemically stable, it contains a large amount of heavy metals, which is not environmentally friendly, and contains mechanical impurities and coarse particles. The fine density affects the texture of powder coating materials; traditional powder coating materials It also does not have heat insulation, heat preservation, anti-skid, anti-corrosion, anti-aging, elasticity, shock absorption, and mute functions, and has poor protection and protection functions; especially applied to the surface of metal furniture, handrails, railings, and fitness equipment. Products that come into contact with the human body In terms of lack of elasticity and shock absorption, comfort function, and poor comfort in cold winter

Method used

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  • Cork composite thermal insulation powder coating material, preparation method thereof and coating
  • Cork composite thermal insulation powder coating material, preparation method thereof and coating
  • Cork composite thermal insulation powder coating material, preparation method thereof and coating

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0039]Softwood composite temperature cycle powder coating material, this embodiment contains a powder coating material containing biological cork, and its mass percentage is:

[0040] raw material percentage(%) Bisphenol A epoxy resin 72.9 Curing agent (phenolic resin) 14.5 2-methylimidazole 0.40 Polyacrylate 3.20 Pigment titanium dioxide 0.50 Peaceful 0.9 Cork powder7.6

[0041]The method of preparing the cork composite temperature impact powder coating material of the present embodiment is:

[0042](1) According to the formulation standard, bisphenol A-type epoxy resin, phenolic resin, 2-methylimidazole, polyacrylate, titanium dioxide, and restoration, and thoroughly mixed a mixed premixed material.

[0043](2) The mixed premixing material is added to the twin screw extruder for melt extrusion. A zone temperature of the extruder is set between 80-100 ° C, and the second region temperature is set between 110-120 ° C.

[0044](3) After the extruded material is cooled, after the tablet, the hig...

Embodiment 2

[0047]A cork composite temperature cycle powder coating material and preparation method thereof, the powder coating material containing biocaricone, in this example, its mass percentage:

[0048]

[0049]The method of preparing the cork composite temperature impact powder coating material of the present embodiment is:

[0050](1) According to the formulation standard, the bisphenol A-type epoxy resin, phenolic resin, 2-methylimidazole, polyacrylate, and inorganic filler each component are obtained, and the mixed uniform premixed material is thoroughly mixed.

[0051](2) The mixed premixing material is added to the twin screw extruder for melt extrusion. A zone temperature of the extruder is set between 80-100 ° C, and the second region temperature is set between 110-120 ° C.

[0052](3) After the extruded material is cooled, after the tablet, the high-speed pulverizer is used to be pulverized, and then grinded by the ball mill, then the sieve is sieved by 160 mesh sieve to obtain an epoxy powder c...

Embodiment 3

[0055]A cork composite temperature cycle powder coating material and preparation method thereof, the powder coating material containing biocaricone, in this example, its mass percentage:

[0056]

[0057]The method of preparing the coating material of the cork composite temperature cycle of this example is:

[0058](1) According to the formulation standard, the bisphenol A-type epoxy resin, a curing agent, a curing promoter, a leveling agent, a cork, a cork, and thoroughly mixed a mixed material.

[0059](2) Adding a mixed material is added to the twin screw extruder for melt extrusion. A zone temperature of the extruder is set between 80-100 ° C, and the second region temperature is set between 110-120 ° C.

[0060](3) After the extruded material is cooled, after the press, the high-speed pulverizer is pulverized, and then the sieve is sieved by the sieve of greater than or equal to 160 mesh, and the cork composite temperature cycle powder coating material is obtained.

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Abstract

The invention discloses a cork composite thermal insulation powder coating material, a preparation method thereof and a coating. The coating is prepared from the following raw material components: 15-75.5% of bisphenol A epoxy resin, 14.2-14.5% of a curing agent, 2-60% of cork, 3.08-3.20% of polybutyl acrylate, 0.4-0.41% of 2-methylimidazole, 0-1% of a pigment, 0-1% of a defoaming agent and 0-20%of an inorganic filler; And the cork is one or a mixture of more of natural cork powder, puffed semi-carbonized softened cork, decolorized cork and colored cork. The cork composite powder coating material with light weight, corrosion resistance, heat insulation and aging resistance is prepared, the coating material is applied to a metal object, the high strength of the metal object is kept, the attractiveness, heat preservation and comfort of cork furniture are improved, and the advantages of metal and cork are complemented and integrated.

Description

Technical field[0001]The present invention relates to the field of powder coating material, and more particularly to a cork composite temperature impact powder coating material and a preparation method thereof, a coating.Background technique[0002]The powder coating material is a solid powder coating material that does not contain any organic solvent and coated with a powder form. Compared to conventional solvent-based coating materials, there is no solventless contamination, no volatile, 100% film formation, high coating efficiency, low energy consumption. Therefore, the powder coating material is widely used in oil and gas pipelines, automotive, mechanical equipment, metal furniture, handrails, railings, fitness equipment, electronic products and other fields.[0003]In the preparation of conventional powder coating materials, it is often used as a filler or barium sulfate as a filler, a light calcium carbonate and barium sulfate, and can increase the thickness of the coating film, i...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D163/00C09D7/61C09D7/65C09D5/08C09D5/03B05D7/02B05D7/14
CPCB05D7/02B05D7/14C08K2003/265C08K2003/3045C08L2205/035C09D5/033C09D5/08C09D163/00C08L33/08C08L97/007C08L61/06C08K3/26C08K3/30
Inventor 郑林义张乾尹付成张斗威郑哲
Owner 郑林义
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