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A wear-resistant and anti-fouling UV-curable pvc floor coating

An ultraviolet light and floor technology, applied in polyurea/polyurethane coatings, coatings, chemical industries, etc., can solve the problems of reduced anti-fouling effect and easy migration of anti-fouling additives, so as to reduce curing shrinkage and achieve better coating. Antifouling effect, effect of reducing production cost

Active Publication Date: 2022-08-09
JIANGNAN UNIV +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The addition of anti-fouling additives can effectively improve the anti-fouling performance of the coating in the short term, but there is still the problem of easy migration of fluorine-containing anti-fouling additives, and its anti-fouling effect will be greatly reduced as the use time increases

Method used

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  • A wear-resistant and anti-fouling UV-curable pvc floor coating
  • A wear-resistant and anti-fouling UV-curable pvc floor coating
  • A wear-resistant and anti-fouling UV-curable pvc floor coating

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0034] A UV-cured PVC floor coating, the preparation method is:

[0035] First, use 5 parts of reactive diluent HDDA, 20 parts of reactive diluent PETA, 0.5 part of defoamer BYK-066, 0.5 part of leveling agent BYK-306 and 1 part of wetting and dispersing agent BYK-2009 The high-speed disperser was stirred for 10 minutes at a speed of 2000 r / min to make it dispersed evenly.

[0036] Next, 3 parts of fluorine-containing hyperbranched polythiourethane and 15 parts of matte powder E-1011 were added in batches, and the mixture was stirred at a rotational speed of 3500 r / min for 30 min.

[0037] Finally, add 20 parts of difunctional aliphatic urethane acrylate, 30 parts of hexafunctional aliphatic urethane acrylate, and 5 parts of photoinitiator 1173, and stir evenly at a speed of 2500 r / min to obtain a UV-curable PVC floor coating .

[0038] The preparation method of the fluorine-containing hyperbranched polythiourethane is:

[0039] 3.986 g (10 mmol) trimethylolpropane tris(3-m...

Embodiment 2

[0043] A UV-cured PVC floor coating, the preparation method is:

[0044]First, use 5 parts of reactive diluent HDDA, 20 parts of reactive diluent PETA, 0.5 part of defoamer BYK-066, 0.5 part of leveling agent BYK-306 and 1 part of wetting and dispersing agent BYK-2009 The high-speed disperser was stirred for 10 minutes at a speed of 2000 r / min to make it dispersed evenly.

[0045] Next, 3 parts of fluorine-containing hyperbranched polythiourethane and 15 parts of matte powder E-1011 were added in batches, and the mixture was stirred at a rotational speed of 3500 r / min for 30 min.

[0046] Finally, add 20 parts of difunctional aliphatic urethane acrylate, 30 parts of hexafunctional aliphatic urethane acrylate, and 5 parts of photoinitiator 1173, and stir evenly at a speed of 2500 r / min to obtain a UV-curable PVC floor coating .

[0047] The preparation method of the fluorine-containing hyperbranched polythiourethane is:

[0048] 3.986 g (10 mmol) trimethylolpropane tris(3-me...

Embodiment 3

[0052] A UV-cured PVC floor coating, the preparation method is:

[0053] First, use 5 parts of reactive diluent HDDA, 20 parts of reactive diluent PETA, 0.5 part of defoamer BYK-066, 0.5 part of leveling agent BYK-306 and 1 part of wetting and dispersing agent BYK-2009 The high-speed disperser was stirred for 10 minutes at a speed of 2000 r / min to make it dispersed evenly.

[0054] Next, 3 parts of fluorine-containing hyperbranched polythiourethane and 15 parts of matte powder E-1011 were added in batches, and the mixture was stirred at a rotational speed of 3500 r / min for 30 min.

[0055] Finally, add 20 parts of difunctional aliphatic urethane acrylate, 30 parts of hexafunctional aliphatic urethane acrylate, and 5 parts of photoinitiator 1173, and stir evenly at a speed of 2500 r / min to obtain a UV-curable PVC floor coating .

[0056] The preparation method of the fluorine-containing hyperbranched polythiourethane is:

[0057] 3.986 g (10 mmol) trimethylolpropane tris(3-m...

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Abstract

The invention discloses a wear-resistant and anti-fouling UV-curable PVC floor coating. The raw materials contained in the coating and the parts by weight of each raw material are: 50-70 parts of polyurethane acrylate oligomer, 20-50 parts of reactive diluent parts, 10-15 parts of matte powder, 1-5 parts of photoinitiator, 0.3-5 parts of fluorine-containing hyperbranched polythiourethane, and 1-2 parts of additives. The fluorine-containing hyperbranched polythiourethane added in the present invention not only reduces the internal stress and curing shrinkage rate of the system, but also enhances the adhesion with the substrate, and at the same time introduces a rigid polythiourethane structure to improve the cross-linking of the coating. Joint density, hardness and wear resistance.

Description

technical field [0001] The application of the present invention relates to the technical field of light-curing coatings, in particular to a wear-resistant and anti-fouling UV-curable PVC floor coating. Background technique [0002] Ultraviolet curing (UV) coatings are a new type of environmentally friendly coatings. Compared with traditional thermal curing, UV light curing technology has the "5E" characteristics of high efficiency, rapidity, environmental protection, energy saving and wide adaptability. Polyurethane acrylate is an important photocurable oligomer, which can be synthesized by molecular design to synthesize oligomers with set properties due to the diversity of its structure selection. In recent years, with the continuous improvement of people's living standards, wear-resistant and anti-fouling UV-curable PVC floor coatings have received extensive attention. [0003] At present, the application of PVC floor coatings in China is gradually popularized, and it is...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C09D175/14C09D7/65
CPCC09D175/14C09D7/65C08L2205/025C08L75/14Y02P20/10
Inventor 李小杰胡增顾正明徐健刘晓亚
Owner JIANGNAN UNIV
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