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The broad market demand and high profits have promoted the rapid development of the small household appliance industry.
It has a wide range of varieties and relatively mature preparation technology.
Silicone paint is mainly composed of silicone resin, which presents a complex network interlaced structure, stable chemical properties, and good high temperature resistance.
The working temperature of most small household appliances is usually below 300°C, and the maximum temperature resistance of silicone coatings can reach 300°C.
From the perspective of temperature resistance, silicone coatings are a very suitable high-temperature coating for small household appliances.
In order to meet the actual needs of a small number of small household appliances with operating temperatures exceeding 300°C, coating manufacturers have modified silicone coatings.
The basic modification principle is to reduce the content of hydroxyl and other components that are not resistant to high temperatures and increase Si-O- The ratio of Si bond and inorganic salt high temperature resistant components, combined with the advanced processing technology of modern composite materials, the high temperature resistant effect of organic silicon coatings is significantly improved, even up to 600 ℃.
Silicone coatings not only have good high temperature resistance, but also have strong adhesion, high coating hardness, simple use process and low cost.
Although it has not been used for a long time at home and abroad, it has excellent high temperature resistance, strong corrosion resistance, self-cleaning, strong adhesion and super weather resistance.
Sex has received widespread attention.
The main component of fluorocarbon coatings is fluororesin, which has very stable chemical properties and excellent high temperature resistance.
Small household appliances coated with fluorocarbon coatings can be used continuously in an environment of 260°C without change, and fluorocarbon coatings are insoluble in grease and will not chemically react with food, and are safe.
The advantages of fluorocarbon coatings are obvious, but the disadvantages are also very prominent.
Its shortcomings are mainly manifested in its own temperature resistance, hardness and construction.
The hardness of the fluorocarbon coating at room temperature is only 2-3H, which means that the fluorocarbon coating at room temperature does not require a shovel, wire brush, or even just a fingernail to scratch the fluorocarbon coating, such as in an electric iron.
Powder coatings can be generally divided into thermoplastic powder coatings and thermosetting powder coatings according to different film-forming materials.
Small appliances usually use thermosetting powder coatings.
The principle is to use a resin with a small molecular mass and a curing agent to crosslink at high temperatures to form a network-like macromolecular coating.
In the field of small home appliances, polyester powder coatings, acrylic powder coatings, epoxy powder coatings and polyurethane powder coatings are more widely used.
Powder coatings have developed rapidly in recent years, with more and more types and better performance.
Compared with low-cost small household appliances, the use cost of powder coatings is still very high.
It is hoped that coating manufacturers can develop low-cost and high-performance powder coatings suitable for small household appliances.
Ultraviolet (UV) curing coatings have also appeared on the market.
The principle is to use ultraviolet light to induce a photoinitiator to crosslink the unsaturated bond groups in the photosensitive resin to form a body-shaped structural coating.
Although the production process of UV-curable coatings is simple, they are expensive, and the thermal stability of the coatings is not ideal, and cannot be widely used in the production of small household appliances.
75em; text-indent: 2em; font-family: ; font-size: 16px; box-sizing: border-box; -webkit-tap-highlight-color: rgba(0, 0, 0, 0);">Silicone coating
75em; text-indent: 2em; font-family: ; font-size: 16px; box-sizing: border-box; -webkit-tap-highlight-color: rgba(0, 0, 0, 0);">Silicone coating
Organosilicon paint Organosilicon paint Organosilicon paint is the earliest and most widely used high-temperature resistant paint for small household appliances in China.It has a wide range of varieties and relatively mature preparation technology.
Silicone paint is mainly composed of silicone resin, which presents a complex network interlaced structure, stable chemical properties, and good high temperature resistance.
The working temperature of most small household appliances is usually below 300°C, and the maximum temperature resistance of silicone coatings can reach 300°C.
From the perspective of temperature resistance, silicone coatings are a very suitable high-temperature coating for small household appliances.
In order to meet the actual needs of a small number of small household appliances with operating temperatures exceeding 300°C, coating manufacturers have modified silicone coatings.
The basic modification principle is to reduce the content of hydroxyl and other components that are not resistant to high temperatures and increase Si-O- The ratio of Si bond and inorganic salt high temperature resistant components, combined with the advanced processing technology of modern composite materials, the high temperature resistant effect of organic silicon coatings is significantly improved, even up to 600 ℃.
Silicone coatings not only have good high temperature resistance, but also have strong adhesion, high coating hardness, simple use process and low cost.
75em; text-indent: 2em; font-family: ; font-size: 16px; box-sizing: border-box; -webkit-tap-highlight-color: rgba(0, 0, 0, 0);">Fluorocarbon coating
75em; text-indent: 2em; font-family: ; font-size: 16px; box-sizing: border-box; -webkit-tap-highlight-color: rgba(0, 0, 0, 0);">Fluorocarbon coating
Fluorocarbon coating Fluorocarbon coating Fluorocarbon coating is an emerging material.Although it has not been used for a long time at home and abroad, it has excellent high temperature resistance, strong corrosion resistance, self-cleaning, strong adhesion and super weather resistance.
Sex has received widespread attention.
The main component of fluorocarbon coatings is fluororesin, which has very stable chemical properties and excellent high temperature resistance.
Small household appliances coated with fluorocarbon coatings can be used continuously in an environment of 260°C without change, and fluorocarbon coatings are insoluble in grease and will not chemically react with food, and are safe.
The advantages of fluorocarbon coatings are obvious, but the disadvantages are also very prominent.
Its shortcomings are mainly manifested in its own temperature resistance, hardness and construction.
The hardness of the fluorocarbon coating at room temperature is only 2-3H, which means that the fluorocarbon coating at room temperature does not require a shovel, wire brush, or even just a fingernail to scratch the fluorocarbon coating, such as in an electric iron.
75em; text-indent: 2em; font-family: ; font-size: 16px; box-sizing: border-box; -webkit-tap-highlight-color: rgba(0, 0, 0, 0);">Powder coating
75em; text-indent: 2em; font-family: ; font-size: 16px; box-sizing: border-box; -webkit-tap-highlight-color: rgba(0, 0, 0, 0);">Powder coating
Powder coating powder coating powder coating has been widely recognized as "4E" (Efficiency, Excellency, Ecology and Economy) coatings due to its advantages of no organic solvents, no pollution, high utilization rate and low energy consumption.Powder coatings can be generally divided into thermoplastic powder coatings and thermosetting powder coatings according to different film-forming materials.
Small appliances usually use thermosetting powder coatings.
The principle is to use a resin with a small molecular mass and a curing agent to crosslink at high temperatures to form a network-like macromolecular coating.
In the field of small home appliances, polyester powder coatings, acrylic powder coatings, epoxy powder coatings and polyurethane powder coatings are more widely used.
Powder coatings have developed rapidly in recent years, with more and more types and better performance.
Compared with low-cost small household appliances, the use cost of powder coatings is still very high.
It is hoped that coating manufacturers can develop low-cost and high-performance powder coatings suitable for small household appliances.
Ultraviolet (UV) curing coatings have also appeared on the market.
The principle is to use ultraviolet light to induce a photoinitiator to crosslink the unsaturated bond groups in the photosensitive resin to form a body-shaped structural coating.
Although the production process of UV-curable coatings is simple, they are expensive, and the thermal stability of the coatings is not ideal, and cannot be widely used in the production of small household appliances.
