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Composite functional infrared reflective engineering machinery powder coating and its production process

An infrared reflective pigment and infrared reflective technology, applied in the production of powder coatings, reflective/signal coatings, bulk chemicals, etc., can solve problems such as not very easy, numerous devices, cumbersome production processes, etc. Baking temperature, the effect of reducing production costs

Active Publication Date: 2016-08-17
ZHANG ZHOU SAN PAINTS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Although this production process can overcome the steps of melting and mixing epoxy / polyester resins, extruding tablets, and crushing extruded tablets in the traditional powder coating production, thereby reducing production costs and energy consumption, the production process is too cumbersome. , there are many devices and components, it is not very easy to control various factors

Method used

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  • Composite functional infrared reflective engineering machinery powder coating and its production process
  • Composite functional infrared reflective engineering machinery powder coating and its production process
  • Composite functional infrared reflective engineering machinery powder coating and its production process

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0045] Preparation of polyester / acrylic resin composite 1: It is prepared by mixing polyester resin and acrylic resin in a weight ratio of 7:3, and reacting in a high-temperature reactor at 150° C. for 1 hour.

[0046] Preparation of epoxy-modified acrylic resin: using methyl methacrylate, acrylic acid, octyl acrylate, styrene, hydroxypropyl acrylate, trimethylolpropane triacrylate as monomers, benzoyl peroxide as initiator, E-44 epoxy resin is used as modifier and polymerized.

[0047] Preparation of nanocomposite cross-linking agent: 4,5-imidazole dicarboxylic acid and benzimidazole-5,6-dicarboxylic acid as sensitized organic ligands, grafted onto mesoporous SiO through covalent bonds 2 On the nanoparticles, a nanocomposite cross-linking agent is prepared.

[0048] The infrared reflective pigment is rutile nano-titanium dioxide, and the polyester resin is 9855 polyester resin supplied by Baotian New Materials.

[0049] The raw material components of the powder coating are ...

Embodiment 2

[0053] This embodiment is basically the same as Embodiment 1, and its difference is:

[0054] To prepare polyester / acrylic composite 2, react for 1.5 hours.

[0055] The method of CN103467714A is adopted to prepare high hydroxyl polyester resin.

[0056] The method of CN102795663A is adopted to prepare nanoscale titanium dioxide-coated mica powder.

[0057] The crosslinking agent is trimethylolpropane.

[0058] In addition, the additives are different, see Table 1 for details.

Embodiment 3

[0060]This embodiment is basically the same as Embodiment 1, the difference is that the additives are different, the temperature of the supercritical fluid tank is set to 120 ° C, after heating to the set temperature, the temperature is kept constant for 5 minutes, and the rotation speed of the shearing element is 150 rpm / min, the shear mixing time is 10 minutes.

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Abstract

The invention discloses a composite type functional infrared reflection engineering machine powder coating and a production technology of the composite type functional infrared reflection engineering machine powder coating. The composite type functional infrared reflection engineering machine powder coating comprises, by mass, 2-8 parts of polyester / acrylic resin compounds, 30-50 parts of polyester resin, 10-20 parts of epoxy modified acrylic resin, 15-35 parts of infrared reflection paint, 1-5 parts of cross-linking agents, 8-18 parts of filler and 1-2.5 parts of addition agents. A supercritical carbon dioxide fluid method is adopted in the production technology. The composite type functional infrared reflection engineering machine powder coating has the advantages of preventing corrosion and rust and being superior in weather resistance, the production technology is small in energy consumption and high in efficiency, and the production and machining temperature is decreased.

Description

technical field [0001] The invention relates to the technical field of powder coatings for engineering machinery, and particularly discloses a composite functionalized infrared reflection powder coating for engineering machinery and a production process thereof. Background technique [0002] As powder coatings become more and more important in the coatings industry, powder coatings have achieved rapid development in recent years. At the same time, because the powder coating formula does not contain organic solvents such as VOC, benzene, toluene, xylene, etc. , is an environmentally friendly product with excellent environmental benefits. Epoxy resin has good anti-corrosion performance, and acrylic resin has good weather resistance. In recent years, powder coatings involving epoxy or acrylic resin have also developed rapidly. For example, the authorized announcement patent CN1202184C discloses a thermosetting scratch-resistant outdoor low-gloss powder Coating, its main compon...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C09D167/02C09D151/08C09D133/00C09D5/03C09D5/33C09D5/08C08F283/10
CPCY02P20/54
Inventor 许绍凰项椿烨蓝文烽
Owner ZHANG ZHOU SAN PAINTS
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