Weather-resistant type coating material of polyester powder modified by inorganic nano composite material

A technology of nano-composite materials and composite materials, which is applied in the field of powder coating preparation, and can solve the problems of undiscovered weather-resistant polyester powder coatings, etc.

Inactive Publication Date: 2003-12-24
SICHUAN UNIV +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In conclusion, domestic and foreign literature search shows that no report on weather-resistant polyester powder coatings modified by inorganic nanocomposites has been found.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0026]

Embodiment 2

[0028] Element

Embodiment 3

[0031] Preparation method of weather-resistant polyester powder coating modified by inorganic nanocomposite material:

[0032] 1. Weigh the nanocomposite material with a particle size of 10-100nm;

[0033] 2. Mix the nanocomposite material weighed above with filler, polyester resin, curing agent, auxiliary agent, etc. in a high-speed mixer;

[0034] 3. The mixed material is transported to the screw extruder by a feeder for melting and mixing, pressed into thin slices by a tablet press, cooled, crushed by a crusher, and then transported to an air classifying mill (ACM) for fine grinding. The cyclone separator collects most of the crushed semi-finished products, and then the finished powder coating is obtained after the sundries and coarse powder are removed by the sieving machine, and then packed.

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PUM

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Abstract

An inorganic nano composition modified weatherable polyester powder paint is prepared from nano-class inorganic composition, solidifying agent, assistant, filler and polyester resin through premixing, fusing-extruding-mixing, cooling, breaking, pulverizing and sieving. Its advantages are high anti-ageing power, hardness, adhesion and impact strength.

Description

1. Technical field [0001] The invention relates to a weather-resistant polyester powder coating modified by an inorganic nanocomposite material and a preparation method thereof, belonging to the field of powder coating preparation. 2. Background technology [0002] US Patent No. 5759746, Fabrication process using a multi-layer antireflective layer, reports the preparation of an assembly antireflective coating technology with nano-silicon dioxide added on semiconductor integrated circuit boards. This technology is mainly to prevent some semiconductor integrated circuit boards from For example, a kind of protective layer provided by the influence of ultraviolet rays on the etching performance of circuit boards in semiconductor memory and lithography technology; Japanese patent 10-330937, Formation of substantially flat coating has reported the preparation of a super-smooth coating used on superconducting integrated circuit boards Coating technology, a small amount of nano oxid...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D5/03C09D137/00
Inventor 涂铭旌熊玉竹汪斌华郭刚曹建军张波李迎星
Owner SICHUAN UNIV
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