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A kind of waterborne organic/inorganic hybrid plastic coating and preparation method thereof

A plastic coating and hybrid technology, applied in the field of coatings, can solve problems such as poor adhesion and poor flexibility, and achieve the effects of improving hardness, improving adhesion, and improving product quality

Active Publication Date: 2015-12-09
JIANGMEN PAINT FACTORY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The coating of the present invention has many excellent properties such as environmental protection, high hardness, good adhesion, alcohol resistance, heat resistance, wear resistance, etc., and overcomes the shortcomings of general water-based inorganic coatings such as poor adhesion to plastic surfaces and poor flexibility.

Method used

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  • A kind of waterborne organic/inorganic hybrid plastic coating and preparation method thereof
  • A kind of waterborne organic/inorganic hybrid plastic coating and preparation method thereof
  • A kind of waterborne organic/inorganic hybrid plastic coating and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0031] The composition of waterborne organic / inorganic hybrid plastic coating is as follows:

[0032] Table 1 Embodiment 1 The composition of waterborne organic / inorganic hybrid plastic coating

[0033]

[0034] Polyacrylate-silica sol hybrid emulsion is formed by mixing and dispersing water-based acrylate resin and silica sol. The acid value of water-based acrylate is 20mgKOH / g, the weight average molecular weight is 10000, and the average particle size of silica sol is 30nm. The speed is 1500 rpm, and the dispersion time is 20 minutes.

[0035] Preparation method of waterborne organic / inorganic hybrid plastic coating:

[0036] 1) According to the components described in Table 1, add polyacrylate-silica sol hybrid emulsion, water-based acrylic resin-epoxy resin modified alkyd resin, water-based cellulose acetate butyrate, adhesion promoter, and wetting agent in sequence , pH adjuster, defoamer, leveling agent, thickener, deionized water, disperse at 800 rpm for 40 minute...

Embodiment 2

[0040] The composition of waterborne organic / inorganic hybrid plastic coating is as follows:

[0041] The composition of table 2 embodiment 2 waterborne organic / inorganic hybrid plastic coatings

[0042]

[0043]

[0044] Polyacrylate-silica sol hybrid emulsion is formed by mixing and dispersing water-based acrylate resin and silica sol. The acid value of water-based acrylate is 60mgKOH / g, the weight average molecular weight is 50000, and the average particle size of silica sol is 20nm. The speed is 600 rpm, and the dispersion time is 40 minutes.

[0045] Preparation method of waterborne organic / inorganic hybrid plastic coating:

[0046]1) According to the components described in Table 2, add polyacrylate-silica sol hybrid emulsion, water-based acrylic resin-epoxy resin modified alkyd resin, water-based cellulose acetate butyrate, adhesion promoter, and wetting agent in sequence , pH adjuster, defoamer, leveling agent, thickener, water, disperse at 1500 rpm for 20 minu...

Embodiment 3

[0050] The composition of waterborne organic / inorganic hybrid plastic coating is as follows:

[0051] The composition of table 3 embodiment 3 waterborne organic / inorganic hybrid plastic coatings

[0052]

[0053]

[0054] Polyacrylate-silica sol hybrid emulsion is formed by mixing and dispersing water-based acrylate resin and silica sol. Among them, the acid value of water-based acrylate is 40mgKOH / g, the weight average molecular weight is 30000, and the average particle size of silica sol is 60nm. , the dispersion speed is 1000 rpm, and the dispersion time is 30 minutes.

[0055] Preparation method of waterborne organic / inorganic hybrid plastic coating:

[0056] 1) According to the components described in Table 3, add polyacrylate-silica sol hybrid emulsion, water-based acrylic resin-epoxy resin modified alkyd resin, water-based cellulose acetate butyrate, adhesion promoter, and wetting agent in sequence , pH regulator, defoamer, leveling agent, thickener, water, and ...

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Abstract

The invention discloses a waterborne organic / inorganic hybrid plastic coating and a preparation method thereof. The waterborne organic / inorganic hybrid plastic coating uses an organic / inorganic hybrid resin emulsion as a main film forming matter, inorganic silica sol and organic polymer molecules are subjected to heterozygosis to achieve performance complementation, the prepared plastic coating further has the characteristic of impact resistance in addition to high hardness, heat resistance, wear resistance, and solvent resistance. By adding and supplementing the film forming matter acrylic resin-epoxy resin modified alkyd resin and an adhesive force assistant, the adhesive force and the impact resistance of a film are further improved. The various assistants and pigments are matched to prepare the waterborne plastic coating with excellent appearance of the film and the stable storage property. The waterborne plastic coating is excellent in various performances, the VOC content is very low, in addition, the process is simple, and the waterborne organic / inorganic hybrid plastic coating is an environmentally friendly product which is easy to produce and the product quality is easy to control.

Description

technical field [0001] The invention belongs to the technical field of coatings, in particular to a water-based organic / inorganic hybrid plastic coating and a preparation method thereof. Background technique [0002] Traditional solvent-based plastic coatings are widely used in the coating of various plastics, such as household appliances, automobiles, furniture, daily necessities, etc. The construction of solvent-based plastic coatings has low solid content and large volatilization of organic solvents, causing pollution to the environment. At present, water-based plastic coatings are gradually replacing solvent-based plastic coatings. With the improvement of environmental protection requirements, water-based plastic coatings will inevitably replace solvent-based plastic coatings, which has broad market prospects. [0003] At present, most of the water-based plastic coatings on the market are formulated with water-based acrylic resin or water-based PU resin as the base mate...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C09D133/04C09D167/08C09D101/14C09D7/12
Inventor 阮济衡赖文博朱延安
Owner JIANGMEN PAINT FACTORY