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Antibacterial and weatherproof polyurethane coating and preparation method thereof

A technology of polyurethane coatings and raw materials, applied in the direction of polyurea/polyurethane coatings, antifouling/underwater coatings, coatings, etc., can solve the problems of poor overall performance, achieve improved construction, low temperature flexibility and lubricity, and application wide range of effects

Inactive Publication Date: 2017-05-31
潘赵翔
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The application area is not as wide as two-component coatings, mainly used for floor coatings, anti-corrosion coatings, pre-coil coatings, etc., and its overall performance is not as comprehensive as two-component coatings

Method used

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  • Antibacterial and weatherproof polyurethane coating and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0015] An antibacterial and weather-resistant polyurethane coating prepared from the following raw materials in parts by weight (kg): polyethylene adipate glycol 100, polytetrahydrofuran ether glycol 50, cyclopentyl isocyanate 20, chlorosulfonyl isocyanate 30, methyl Acrylic acid 10, N,N-diethylethylamine 20, calcium benzoate 10, diethyl tartrate 5, propylene glycol 15, acrylate 4, cobalt naphthenate 3, benzyldimethylamine 2, polyvinylpyrrolidone 3, Dimethyloctadecyl[3-(trimethoxysilyl)propyl]ammonium chloride 6, nanomolybdenum disulfide 8, polyoxyethylene polyoxypropanolamine ether 12, acetone 20, abietic acid polyoxyethylene Ester 1, Hydroxypropyl Distarch Phosphate 3, Quinoline Copper 8, Fluorocarbon Surfactant FC-4430 0.6, Magnesium Stearate 8, Carbon Black 6, Titanium Silicon Powder 6, Fumed Titanium Dioxide 5.

[0016] A preparation method for an antibacterial weather-resistant polyurethane coating, comprising the following steps:

[0017] (1) Add polyethylene adipate g...

Embodiment 2

[0022] An antibacterial and weather-resistant polyurethane coating prepared from the following raw materials in parts by weight (kg): polyethylene adipate glycol 110, polytetrahydrofuran ether glycol 55, cyclopentyl isocyanate 22.5, chlorosulfonyl isocyanate 35, methyl Acrylic acid 12, N, N-diethylethylamine 22.5, calcium benzoate 11, diethyl tartrate 6, propylene glycol 17.5, acrylate 5, cobalt naphthenate 4, benzyl dimethylamine 3, polyvinylpyrrolidone 3.5, Dimethyloctadecyl[3-(trimethoxysilyl)propyl]ammonium chloride 6.5, nanomolybdenum disulfide 8.5, polyoxyethylene polyoxypropanolamine ether 13, acetone 22.5, abietic acid polyoxyethylene Ester 1.5, hydroxypropyl distarch phosphate 4.5, quinoline copper 9, fluorocarbon surfactant FC-4430 0.7, magnesium stearate 10, carbon black 8, titanium silicon powder 6.5, fumed titanium dioxide 6.5.

[0023] The preparation method is the same as in Example 1.

Embodiment 3

[0025] An antibacterial and weather-resistant polyurethane coating prepared from the following raw materials in parts by weight (kg): polyethylene adipate glycol 120, polytetrahydrofuran ether glycol 60, cyclopentyl isocyanate 25, chlorosulfonyl isocyanate 40, methyl Acrylic acid 14, N,N-diethylethylamine 25, calcium benzoate 12, diethyl tartrate 7, propylene glycol 20, acrylate 6, cobalt naphthenate 5, benzyldimethylamine 4, polyvinylpyrrolidone 4, Dimethyloctadecyl[3-(trimethoxysilyl)propyl]ammonium chloride 7, nanomolybdenum disulfide 9, polyoxyethylene polyoxypropanolamine ether 14, acetone 25, abietic acid polyoxyethylene Ester 2, Hydroxypropyl Distarch Phosphate 6, Quinoline Copper 10, Fluorocarbon Surfactant FC-4430 0.8, Magnesium Stearate 12, Carbon Black 10, Titanium Silicon Powder 7, Fumed Titanium Dioxide 8.

[0026] The preparation method is the same as in Example 1.

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Abstract

The invention discloses antibacterial and weatherproof polyurethane coating and a preparation method thereof. The antibacterial and weatherproof polyurethane coating is prepared from the following raw materials in parts by weight: 100 to 120 parts of polyethylene diglycol adipate glycol, 50 to 60 parts of polytetrahydrofuran glycol, 20 to 25 parts of cyclopentyl isocyanate, 30 to 40 parts of chlorosulfonyl isocyanate, 10 to 14 parts of methacrylic acid, 20 to 25 parts of N,N-diethyl ethylamine, 10 to 12 parts of calcium benzoate and the like. By means of choosing propylene glycol as a chain extender, a waterproof effect of the coating is improved under cooperation of flatting agent fluorocarbon surfactant FC-4430; as the calcium benzoate, copper quinolate and dimethyloctadecyl[3-(trimethoxysilyl)propyl]ammonium chloride are added, the coating has an antibacterial and mildewproof effect; by means of adding carbon black, titanium-silicon powder, gas-phase titanium dioxide and the like, weatherproof performance of the coating is improved, and an application range of the coating can be wider; by means of adding the defined amount of acrylate and nanometer molybdenum disulfide, low temperature flexibility and lubrication performance of the coating are improved, the solid content of the coating is also improved, and constructability of the coating is improved.

Description

technical field [0001] The invention relates to the field of chemical products, in particular to an antibacterial and weather-resistant polyurethane 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 coatings are generally composed of isocyanate prepolymers 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, high solid content, and good performance in all a...

Claims

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Application Information

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IPC IPC(8): C09D175/14C09D5/14C09D7/12C09D7/06C08G18/12C08G18/66C08G18/40C08G18/48C08G18/42C08G18/08C08G18/32C08G18/28C09D7/47
CPCC08G18/0823C08G18/12C08G18/281C08G18/4018C08G18/4238C08G18/4854C08G18/6607C08K2201/011C08K2201/014C08L2205/035C09D5/14C09D7/47C09D7/61C09D7/63C09D175/14C08L3/06C08K13/02C08K5/098C08K5/544C08K2003/3009C08K3/04C08K2003/2241C08K2003/023C08K2003/0812C08K2003/0818C08K5/101C08K5/3437C08G18/3206
Inventor 潘赵翔
Owner 潘赵翔
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