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High-skin-friendly matte paint, preparation method and high-skin-friendly matte bathtub

A high-skin-friendly, matte technology, applied in the field of high-skin-friendly matte bathtubs, preparation, and high-skin-friendly matte coatings, can solve problems such as poor permeability, poor touch, and poor wear resistance of the matte layer. problems, achieve good compatibility, non-toxic and harmless to human health, and improve wear resistance

Inactive Publication Date: 2022-01-04
AIFEILING SANITARY WARES TECH GRP CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] In order to improve the problems of poor wear resistance, poor permeability, and poor touch of the matte layer, the application provides a matte coating with high skin affinity, a preparation method and a matte bathtub with high skin affinity

Method used

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Examples

Experimental program
Comparison scheme
Effect test

preparation example 1

[0049] Preparation of skin-friendly matte paint:

[0050] The dosage of each component is shown in Table 2;

[0051] S1, the synthesis of the first aqueous polyurethane prepolymer:

[0052] Mix polytetramethylene ether glycol and 2,2-dimethylol propionic acid, heat to 110°C and vacuum-dry, add bismuth neodecanoate and stir evenly after drying, then add 4,4-diisocyanate di Cyclohexylmethane was heated to 60°C for 1 hour, and then heated to 80°C for 1.5 hours; then di-n-butylamine was added dropwise and stirred evenly; after cooling down to 45°C, triethylamine was added, and the material was discharged after stirring for 15 minutes to obtain the first water-based polyurethane Prepolymer;

[0053]S2, the preparation of the second aqueous polyurethane prepolymer:

[0054] Stir and mix 2-[(2-aminoethyl)amino]ethanesulfonic acid sodium salt and water to obtain a mixed solution, and add the mixed solution dropwise to the first water-based polyurethane prepolymer obtained in step S...

preparation example 2

[0058] Preparation of skin-friendly matte paint:

[0059] The dosage of each component is shown in Table 2;

[0060] S1, the synthesis of the first aqueous polyurethane prepolymer:

[0061] Mix polyethylene adipate and 2,2-dimethylol propionic acid, heat to 110°C and vacuum-dry, add bismuth neodecanoate and stir evenly after drying, then add 4,4-diisocyanate di Cyclohexylmethane was heated to 60°C for 1.5 hours, and then heated to 80°C for 2 hours; then di-n-butylamine was added dropwise and stirred evenly; after the temperature was lowered to 45°C, tripropylamine was added, and the material was discharged after stirring for 15 minutes to obtain the first water-based polyurethane prepreg. Polymer;

[0062] S2, the preparation of the second aqueous polyurethane prepolymer:

[0063] Stir and mix 2-[(2-aminoethyl)amino]ethanesulfonic acid sodium salt and water to obtain a mixed solution, and add the mixed solution dropwise to the first water-based polyurethane prepolymer obtai...

preparation example 3

[0067] Preparation of skin-friendly matte paint:

[0068] The dosage of each component is shown in Table 2;

[0069] S1, the synthesis of the first aqueous polyurethane prepolymer:

[0070] Mix polytetramethylene ether glycol and 2,2-dimethylol propionic acid, heat to 110°C and vacuum-dry, add bismuth neodecanoate and stir evenly after drying, then add 4,4-diisocyanate di Cyclohexylmethane was heated to 60°C for 1.5 hours, and then heated to 80°C for 1.5 hours; then di-n-butylamine was added dropwise and stirred evenly; after cooling down to 45°C, tripropylamine was added, and the material was discharged after stirring for 15 minutes to obtain the first water-based polyurethane Prepolymer;

[0071] S2, the preparation of the second aqueous polyurethane prepolymer:

[0072] Stir and mix 2-[(2-aminoethyl)amino]ethanesulfonic acid sodium salt and water to obtain a mixed solution, and add the mixed solution dropwise to the first water-based polyurethane prepolymer obtained in s...

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Abstract

The invention relates to the field of bathtubs, and particularly discloses a high-skin-friendliness matte paint. The paint comprises the following components: aliphatic polymeric glycol, alicyclic diisocyanate, a hydrophilic chain extender, a catalyst, 2-[(2-aminoethyl) amino] ethanesulfonic acid sodium salt, a neutralizer, a hydrazine chain extender, di-n-butylamine, a KH-560 silane coupling agent, a triethylene diamine, a cross-linking agent and water. By introducing the sulfonate and the cross-linked silane coupling agent, the compatibility of a prepolymer is good, a matt effect is formed after the paint forms a film, the film is good in skin-friendly feeling due to grafting of a long alkyl chain, and meanwhile, the formed film is compact due to a dihydroxyl structure at the end part of the long alkyl chain, so that the wear resistance of the film is improved, and fingerprints are not easy to appear.

Description

technical field [0001] The application relates to the field of bathtubs, more specifically, it relates to a matte coating with high skin affinity, a preparation method and a matte bathtub with high skin affinity. Background technique [0002] With the continuous improvement of consumption level, people's aesthetic demand for the appearance of consumer products is also constantly changing. The high-gloss coatings that have been promoted in the past reflect light strongly, which can be irritating to the human eye. Therefore, more and more consumers are inclined to choose a matte appearance with soft luster and no irritation to human eyes. [0003] Matte bathtubs are now very popular among users. Matte bathtubs are usually made by coating a layer of matte paint on the surface of the bathtub body. Considering environmental protection and health issues, matte coatings are usually water-based polyurethane coatings. However, the most important preparation method of waterborne po...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D175/08C09D175/06C08G18/12C08G18/66C08G18/48C08G18/42C08G18/34C08G18/32C08G18/38A47K3/02
CPCC09D175/08C09D175/06C08G18/12C08G18/6692C08G18/6659C08G18/4854C08G18/4238C08G18/348A47K3/02C08G2150/00C08G18/3855C08G18/3231C08G18/3228C08G18/3206C08G18/3893
Inventor 林榆彬熊伟
Owner AIFEILING SANITARY WARES TECH GRP CO LTD
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