Preparation method of hydrophobic weather-resistant and aging-resistant composite fluorocarbon resin coating for tent
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An aging-resistant and compound fluorine technology, used in anti-corrosion coatings, coatings, etc., can solve problems such as poor weather resistance, general coating performance, insufficient sunlight resistance and high temperature resistance, and achieve good adhesion, reduced photocatalytic activity, and hardness. strong effect
Inactive Publication Date: 2019-02-12
ANHUI YUTANG RAIN GEAR
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Problems solved by technology
Most of the existing tents are made of ordinary paint, the paint performance is average, the weather resistance is poor, and the resistance to sunlight and high temperature is insufficient.
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Embodiment 1
[0023] A method for preparing a hydrophobic weather-resistant and aging-resistant composite fluorocarbon resin coating for a tent, characterized in that it comprises the following steps:
[0024] (1) Cerium oxide CeO 2 Coated titanium dioxide:
[0025] Add 0.02 parts of dispersant sodium hexametaphosphate to the titanium dioxide slurry, ultrasonically disperse for 30 minutes, set the temperature of the constant temperature bath at 65-70°C, add inorganic coating agents cerium nitrate solution and sodium hydroxide solution, and keep the pH value of the slurry at 9 , after aging for 1 h, suction filter and wash 3 times, dry the filter cake in an electric vacuum oven at 104-106 °C for 8 h, and grind to obtain cerium oxide CeO 2 Coated titanium dioxide:
[0026] (2) Preparation of silica nano-fluid:
[0027] Dilute 7 parts of silica sol to 40 parts with deionized water, ultrasonically disperse for 10 minutes, add 10 parts of methanol solution of additives, age for 22 hours, remo...
Embodiment 2
[0037] A method for preparing a hydrophobic weather-resistant and aging-resistant composite fluorocarbon resin coating for a tent, characterized in that it comprises the following steps:
[0038] (1) Cerium oxide CeO 2 Coated titanium dioxide:
[0039] Add 0.03 parts of dispersant sodium hexametaphosphate to the titanium dioxide slurry, ultrasonically disperse for 35 minutes, set the temperature of the constant temperature bath at 65-70°C, add inorganic coating agents cerium nitrate solution and sodium hydroxide solution, and keep the pH value of the slurry at 9 , aged for 2 hours, filtered and washed 5 times, dried the filter cake in an electric vacuum oven at 104-106°C for 10 hours, and ground to obtain cerium oxide CeO 2 Coated titanium dioxide:
[0040] (2) Preparation of silica nano-fluid:
[0041] Dilute 8 parts of silica sol to 46 parts with deionized water, ultrasonically disperse for 15 minutes, add 11 parts of methanol solution of additives, age for 24 hours, remo...
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Abstract
The invention discloses a preparation method of a hydrophobic weather-resistant and aging-resistant composite fluorocarbon resin coating for a tent. The preparation method comprises the following steps of uniformly mixing sericite powder, silicon carbide ceramic particles, titanium dioxide coated with coupling modified aluminum oxide powder and cerium oxide, and silicon dioxide nanometer fluid, soas to obtain a pigment filler; adding a thinner and an additive into fluorocarbon resin of film-forming resin, uniformly stirring by a high-speed stirring machine, adding the uniformly mixed pigmentfiller, sand grinding and stirring by a sand mold high-speed stirring machine, adding a crosslinking curing agent, continuing to sand grind and stir until fully and uniformly mixing, putting into a vacuum drying box, vacuuming and defoaming. The coating with excellent corrosion-resistant property and aging-resistant property is prepared by using the fluorocarbon resin of film-forming resin as a substrate, using the diphenylmethane diisocyanate as the crosslinking curing agent, and using the titanium dioxide coated with cerium oxide, the silicon dioxide nanometer fluid, sericite, coupling agent-modified aluminum oxide powder and silicon carbide ceramic particles as the fillers, and is used for coating the tent; the weather-resistant and aging-resistant properties of the tent are improved, and the service life is prolonged.
Description
technical field [0001] The invention belongs to the field of tent coatings, in particular to a method for preparing a hydrophobic weather-resistant and aging-resistant composite fluorocarbon resin coating for tents. Background technique [0002] When carrying out activities in the wild, tents are often needed. Tents can provide people with a place to rest. When encountering rainy or hot weather, they can also be used to resist heavy rain and heat. The weather resistance puts forward a high test, such as the performance of rain resistance, sunlight resistance, high temperature resistance and so on. Most of the existing tents adopt common coatings, which have general properties, poor weather resistance, insufficient sunlight resistance and high temperature resistance. Contents of the invention [0003] The purpose of the present invention is to address the existing problems and provide a method for preparing a hydrophobic weather-resistant and aging-resistant composite fluo...
Claims
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