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Polyurethane composite resin paint resistant to friction and dirt as well as preparation method of paint

A composite resin and polyurethane technology, applied in the field of coatings, can solve the problems of friction of other objects, affecting the appearance, and adhesion of dirt, and achieve the effects of improving strength, improving adhesion, and improving compatibility.

Inactive Publication Date: 2015-12-09
黄利锟
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] Since the paint generally needs to be attached to the outer surface of the object, it will often be rubbed by other objects, or be attached by some dirt, which will affect the appearance, so a wear-resistant and anti-fouling polyurethane composite resin coating is needed

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0015] A wear-resistant and anti-fouling polyurethane composite resin coating, prepared from the following raw materials in parts by weight (kg): polyurethane prepolymer 50, acrylate 7, diethyl terephthalate 5, activated alumina 12, dipropylene glycol Dimethyl ether 8, hexamethyldisilazane 9, nano-calcium zirconate 18, potassium silicate 6, polypropylene glycol 7, nano-silica 4, polyamide wax 2, anti-aging agent CPPD4, 2-amino-2- Methyl-1-propanol 2, polyoxypropylene glyceryl ether 4, pentaerythritol stearate 4, epoxy soybean oil 6, jade powder 7, sodium bentonite 5, chlorinated paraffin 4.

[0016] A preparation method of wear-resistant and antifouling polyurethane composite resin coating, comprising the following steps:

[0017] (1) Add acrylate, diethyl terephthalate, dipropylene glycol dimethyl ether, and polypropylene glycol in sequence in parts by weight, then stir and raise the temperature. Before the temperature rises to 70°C, add polyurethane pre- Polymer, and then r...

Embodiment 2

[0021] A wear-resistant and anti-fouling polyurethane composite resin coating, which is prepared from the following raw materials in parts by weight (kg): polyurethane prepolymer 60, acrylate 8, diethyl terephthalate 5.5, activated alumina 13, dipropylene glycol Dimethyl ether 9, hexamethyldisilazane 10, nano calcium zirconate 19, potassium silicate 7, polypropylene glycol 8.5, nano silicon dioxide 6, polyamide wax 3, antioxidant CPPD5.5, 2-amino- 2-methyl-1-propanol 2.5, polyoxypropylene glyceryl ether 5, pentaerythritol stearate 6, epoxy soybean oil 7, jade powder 8, sodium bentonite 6, chlorinated paraffin 5.

[0022] The preparation method is the same as in Example 1.

Embodiment 3

[0024] A wear-resistant and anti-fouling polyurethane composite resin coating, prepared from the following raw materials in parts by weight (kg): polyurethane prepolymer 70, acrylate 9, diethyl terephthalate 6, activated alumina 14, dipropylene glycol Dimethyl ether 10, hexamethyldisilazane 11, nano calcium zirconate 20, potassium silicate 8, polypropylene glycol 10, nano silicon dioxide 8, polyamide wax 4, antioxidant CPPD7, 2-amino-2- Methyl-1-propanol 3, polyoxypropylene glyceryl ether 6, pentaerythritol stearate 8, epoxy soybean oil 8, jade powder 9, sodium bentonite 7, chlorinated paraffin 6.

[0025] The preparation method is the same as in Example 1.

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PUM

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Abstract

The invention discloses a polyurethane composite resin paint resistant to friction and dirt as well as a preparation method of the paint. The paint is prepared from a polyurethane prepolymer, acrylate, diethyl phthalate, activated alumina, dipropyleneglycol dimethyl ether, hexamethyldisilazane, nanometer calcium zirconate, potassium metasilicate, polypropylene glycol, nanometer silicon dioxide, polyamide wax, an antioxidant CPPD, 2-amino-2-methyl-1-propyl alcohol, polyoxypropylene glycerol ether, pentaerythritol stearate, epoxidized soybean oil, jade powder, sodium bentonite, chlorinated paraffin and the like. Polyurethane, acrylate and the like are cooperatively adopted as film-forming materials, so that the paint has high film-forming, leveling, friction-resistant and dirt-resistant properties; under the action of polypropylene glycol, the added nanometer calcium zirconate can be uniformly and stably dispersed in the paint, so that the friction-resistant capability of the paint is further enhanced, the dispersing interface tension of nanometer silicon dioxide is reduced, the compatibility of nanometer silicon dioxide and nanometer calcium zirconate is improved, and then the adhesive force of the paint is increased.

Description

technical field [0001] The invention relates to a coating, in particular to a wear-resistant and antifouling polyurethane composite resin coating and a preparation method thereof. Background technique [0002] Polyurethane coatings are currently the most common type of coatings, which can be divided into two-component polyurethane coatings and one-component polyurethane coatings. Two-component polyurethane topcoat paint is generally composed of isocyanate prepolymers (also known as low molecular carbamate ester polymers) and hydroxyl resins, commonly known as curing agent components and main agent components. There are many varieties of this type of coating, and the application range is also very wide. According to the difference of the hydroxyl group-containing components, it can be divided into acrylic polyurethane, alkyd polyurethane, polyester polyurethane, polyether polyurethane, epoxy polyurethane and other varieties. Generally, they have good mechanical properties, h...

Claims

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Application Information

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IPC IPC(8): C09D175/08C09D5/16C09D7/12
Inventor 黄利锟
Owner 黄利锟
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