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Urethane acrylate oligomer, preparation method of urethane acrylate oligomer, and coating prepared from urethane acrylate oligomer

A polyurethane acrylate and oligomer technology, applied in the field of coatings, can solve the problems of curing and inability to carry out ultraviolet light, achieve good stain resistance, hinder the penetration of oil stains, and improve the compactness

Active Publication Date: 2014-08-20
HUNAN BENAN YADA NEW MATERIALS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Although this type of anti-fouling and anti-stick emulsion is a wake-up system, it cannot be cured by UV light

Method used

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  • Urethane acrylate oligomer, preparation method of urethane acrylate oligomer, and coating prepared from urethane acrylate oligomer
  • Urethane acrylate oligomer, preparation method of urethane acrylate oligomer, and coating prepared from urethane acrylate oligomer
  • Urethane acrylate oligomer, preparation method of urethane acrylate oligomer, and coating prepared from urethane acrylate oligomer

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0057] A kind of polyurethane acrylate oligomer, in parts by weight, the raw material comprises the following components:

[0058]

[0059] The molecular weight of the terminal hydroxypropyl polydimethylsiloxane is 400 Daltons;

[0060] The molecular weight of the polyethylene glycol is 400 Daltons.

[0061] The preparation method of above-mentioned polyurethane acrylate oligomer, comprises the following steps:

[0062] The first step: under the condition of nitrogen protection, the temperature is controlled at 65°C, and 78g of hexamethylene diisocyanate and 65g of propylene glycol methyl ether acetate are added to the three-necked flask, and 34g of 1H is added dropwise at a speed of 3ml / min. 1H, 2H, 2H-perfluorohexan-1-ol, after the dropwise addition, continue to stir and react for 1 hour to obtain the first intermediate;

[0063] The second step: under the condition of nitrogen protection, the temperature is controlled at 75°C, and 35g of propylene glycol methyl ether a...

Embodiment 2

[0078] A kind of polyurethane acrylate oligomer, in parts by weight, the raw material comprises the following components:

[0079]

[0080] The molecular weight of the terminal hydroxypropyl polydimethylsiloxane is 2000 Daltons;

[0081] The molecular weight of the polyethylene glycol is 1000 Daltons.

[0082] The preparation method of above-mentioned polyurethane acrylate oligomer, comprises the following steps:

[0083] The first step: under the condition of nitrogen protection, the temperature is controlled at 70°C, and 154g of hexamethylene diisocyanate and 85g of propylene glycol methyl ether acetate are added to the three-necked flask, and 119g of 1H is added dropwise at a rate of 5ml / min. 1H, 2H, 2H-perfluoro-1-decanol, after the dropwise addition, continue to stir and react for 2.5 hours to obtain the first intermediate;

[0084] The second step: under the condition of nitrogen protection, the temperature is controlled at 80°C, add 50g of propylene glycol methyl e...

Embodiment 3

[0099] A kind of polyurethane acrylate oligomer, in parts by weight, the raw material comprises the following components:

[0100]

[0101] The molecular weight of the terminal hydroxypropyl polydimethylsiloxane is 1000 Daltons;

[0102] The molecular weight of the polyethylene glycol is 600 Daltons.

[0103] The preparation method of above-mentioned polyurethane acrylate oligomer, comprises the following steps:

[0104] The first step: under the condition of nitrogen protection, the temperature is controlled at 68°C, 85g of hexamethylene diisocyanate and 70g of propylene glycol methyl ether acetate are added to the three-necked flask, and 58g of 1H is added dropwise at a speed of 4ml / min. 1H, 2H, 2H-tridecafluoro-1-octanol, after the dropwise addition, continue to stir and react for 2 hours to obtain the first intermediate;

[0105] The second step: under the condition of nitrogen protection, the temperature is controlled at 78°C, 40g of propylene glycol methyl ether ace...

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Abstract

The invention provides a urethane acrylate oligomer, which comprises the following components: hexamethylene diisocyanate, propylene glycol methyl ether acetate, a hydroxyl-terminated fluorine compound, hydroxypropyl-terminated polydimethylsiloxane, polyethylene glycol, hydroxyl-terminated acrylate, etc. According to the invention, silicon and fluorine are introduced in the urethane acrylate oligomer, so that the urethane acrylate oligomer has high hydrophilic angle; and in addition, by means of high hydrophilia provided by ethyoxyl in polyethylene glycol, the urethane acrylate oligomer has high pollution-resistant property. The invention further discloses a preparation method of the urethane acrylate oligomer, which is simple in process and convenient for industrialization production. The invention simultaneously discloses a coating comprising the urethane acrylate oligomer, which comprises urethane acrylate oligomer and the like; after the coating disclosed by the invention is cured by ultraviolet light, the hydrophilic angle of a paint film is up to 100-120 degrees; the coating has excellent pollution-resistant property; and stain of an oily pen can be wiped cleanly without any trace.

Description

technical field [0001] The invention relates to the field of coatings, in particular to a polyurethane acrylate oligomer, a preparation method thereof and a coating prepared therefrom. Background technique [0002] Polyvinyl chloride (PVC) plastic floor coil is a kind of floor covering material. It is made of polyvinyl chloride and its copolymer resin as the main raw material, and fillers, plasticizers, stabilizers, colorants and other auxiliary materials are added. The base material is produced by extrusion process, and is widely used in hospitals, laboratories, office buildings, sports venues, gymnasiums, clubhouses and other places. The floors in these occasions are required to be easy to clean and take care of, so the floors are required to have excellent The anti-fouling function, the technology commonly used now is to coat a layer of anti-fouling paint on the surface of the PVC coiled plastic floor, and the paint film obtained after the paint is cured has the effect of...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08G18/67C08G18/66C08G18/48C08G18/38C08G18/61C08G18/32C09D175/14
CPCC08G18/2885C08G18/4009C08G18/4833C08G18/61C08G18/672C08G18/673C09D5/1662C09D175/14C08G18/6666
Inventor 唐雄付为明
Owner HUNAN BENAN YADA NEW MATERIALS
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