Core Tip: The sunscreen garments currently on the market are mostly translucent, claiming to be cool and sunscreen. What is the sunscreen clothing, does it really have a sunscreen effect? In an interview with the Beijing News reporter, the experts said that acrylic fiber is an ideal sunscreen clothing material, and the anti-UV treatment of sun protection clothing can generally achieve the desired sunscreen effect.
As the temperature continues to rise, various sunscreen methods have become a hot topic. Sun protection clothing is a popular term in the past two years in China. Many sun protection clothing claims to prevent direct ultraviolet radiation and prevent skin blackening. The sunscreen garments currently on the market are mostly translucent, which is said to be cool and sunscreen. What is the sunscreen clothing, does it really have a sunscreen effect? In an interview with the Beijing News reporter, the experts said that acrylic fiber is an ideal sunscreen clothing material, and the anti-UV treatment of sun protection clothing can generally achieve the desired sunscreen effect.
Sunscreen fabrics are mainly chemical fiber products
In an interview with reporters, the director of the Environmental Protection Standards Committee of the China Environmental Protection Association and the associate professor of the School of Materials, Beijing Institute of Clothing Technology said that there are two main types of sun protection garments on the market. One is to apply a sunscreen on the fabric. Sunscreen effect, this method of sunscreen clothing will generally use adhesives, these adhesives will form a film on the surface of the fabric, generally not airy, and feel hard, wearing more stuffy.
The other is a thin translucent sunscreen that is woven with UV-resistant microporous fibers to provide a sunscreen effect, and the microporous structure also increases the moisture absorption of the fabric. Perspiration is more suitable for wearing in a hot environment. This thin and light sunscreen fabric is mainly chemical fiber products, such as polyester, nylon, acrylic, etc. Among these materials, acrylic fiber is the best sunscreen clothing material because of its light resistance.
The method for processing the ultraviolet shielding fiber is mainly to add the ultraviolet absorber to the spinning raw liquid, such as mixing titanium dioxide (TiO2) fine particles with the monomer for making the fiber to prepare a uniformly distributed filament of the inorganic material, and then using the same. The silk thread is woven into a cloth and made into a sun protection garment.
Anti-UV treatment can protect the sun
Gong Yu explained that the protection mechanism of sun protection clothing on ultraviolet light is divided into reflection and absorption, and the ultraviolet absorber used mainly includes inorganic and organic. Inorganic UV shielding agent mainly uses some inorganic substances to have good refractive, reflection and scattering properties to achieve the purpose of protecting ultraviolet rays, including titanium dioxide TiO2, zinc oxide ZnO, alumina Al2O3, kaolin, talcum powder and carbon black. Wait.
The organic anti-ultraviolet agent mainly aims to prevent ultraviolet radiation by absorbing ultraviolet rays and performing energy conversion to convert ultraviolet rays into low-energy thermal energy or short-wavelength electromagnetic waves. Most of the ideal ultraviolet absorbers have a conjugated structure and a hydrogen bond, and are converted into heat energy, fluorescence, phosphorescence, etc. after absorbing ultraviolet rays, and mainly include benzophenone compounds, salicylic acid compounds, and organic nickel polymers.
Gong Yu explained that the sunscreen clothing that is truly UV-resistant can achieve the desired sunscreen effect. However, it should be reminded that the current market for sun protection clothing is not good, it is recommended that consumers choose to clearly indicate the clothing material in the product label when purchasing (the fabric is mainly chemical fiber products, including polyester, nylon, acrylic, etc., and acrylic fiber due to light resistance) The best is the better sunscreen material), the upf index (the ratio of the ultraviolet radiation to the average amount of unprotected skin, the higher the index, the better the sunscreen) and other related parameters.
â– Effective comparison sun protection clothing VS ordinary clothing quality sun protection clothing is lighter and more expensive
Does it mean that you have to wear a sunscreen after you have a sunscreen effect? Can ordinary clothes have a good sunscreen effect? In this regard, Gong Yu said that the SPF value of ordinary shirts can reach 30 or so, the thicker the clothes, the better the sun protection effect, but the summer wear will be hotter.
The excellent sun protection clothing is woven with microporous fibers, which increase the pores of the clothes and reduce the fiber density, thereby enhancing the breathability of the clothes, not only the texture is light and thin, but also can absorb and discharge the sweat on the skin surface to the air. In the middle, there will be a feeling of breathable and dry when worn.
Some high-end sportswear is made from this microporous fiber, and even if people sweat during exercise, the clothes will not stick to the skin. "Of course, the sunscreen clothing that achieves this effect is generally expensive. At present, a large number of low-priced sunscreen garments do not have a good sunscreen effect, especially some counterfeit products," Gong said.
Sunscreen VS parasols and umbrellas can only protect part of the body
Gong Yu introduced that the current common sunscreens are generally divided into organic and inorganic. Inorganic sunscreens are prepared by uniformly dispersing sunscreen particles such as zinc oxide ZnO with a solvent to form a suspension. When applied to the skin, the skin and the skin can be The ultraviolet rays are separated by the outside world, but this kind of sunscreen is like a layer of mud on the skin when used, and generally not too comfortable.
Organic sunscreens absorb UV rays by combining certain chemicals with cells. It is important to note that allergic skin needs to be used with caution. This sunscreen needs to be applied 20 minutes before going out, and it needs to be applied again every 3-5 hours. When sweating or swimming, apply once every 2-3 hours. Sunscreen can not be washed off with normal facial cleanser and needs to be removed with cleansing oil, so the use of sunscreen is more troublesome.
As for the parasol, Gong Yu explained that although there is a good anti-ultraviolet effect, the sunlight is multi-angle, the ultraviolet rays hitting the ground may be reflected to the human body, and the umbrella can only protect a part of the body. Sometimes the wind will be very strong in the summer, it is more laborious to use the umbrella, and it is not convenient to carry.
â– Professional reminder SPF15 sunscreen is relatively safer
Shen Yongjia, a professor at the Institute of Fine Chemicals, East China University of Science and Technology, told reporters that sunscreen is generally divided into two categories for children and adults. Sunscreens generally indicate the SPF value in the outer packaging, that is, the sun protection factor. In general, children's sunscreens have a sun protection factor of 15. The key ingredient in sunscreens is UV absorbers, and there are many types of UV absorbers. The UV absorber with an SPF of 15 is titanium dioxide, which is itself non-toxic. It is safer, and the SPF value is marked as other sunscreens made of organic compounds. It is recommended that the public try to buy sunscreen with an SPF of 15. In addition, since sunscreen breaks down under the sun and does not last for sun protection, it needs to be applied several times a day.
A sunscreen that is truly UV-resistant is a good choice. It is light and easy to carry, and it can completely protect the skin without makeup, makeup and makeup removal. The material itself does not cause direct damage to the skin.
[Sunday also needs sunscreen]
Lun Wenhui, director of the Department of Dermatology and Venereology, Beijing Ditan Hospital, reminds that in fact, sun protection is mainly for UV protection. It is important to note that it is not only necessary to protect the sun from strong sunlight. For example, ultraviolet rays can still be used on cloudy days. Illuminate the human body through the clouds.
As the temperature continues to rise, various sunscreen methods have become a hot topic. Sun protection clothing is a popular term in the past two years in China. Many sun protection clothing claims to prevent direct ultraviolet radiation and prevent skin blackening. The sunscreen garments currently on the market are mostly translucent, which is said to be cool and sunscreen. What is the sunscreen clothing, does it really have a sunscreen effect? In an interview with the Beijing News reporter, the experts said that acrylic fiber is an ideal sunscreen clothing material, and the anti-UV treatment of sun protection clothing can generally achieve the desired sunscreen effect.
Sunscreen fabrics are mainly chemical fiber products
In an interview with reporters, the director of the Environmental Protection Standards Committee of the China Environmental Protection Association and the associate professor of the School of Materials, Beijing Institute of Clothing Technology said that there are two main types of sun protection garments on the market. One is to apply a sunscreen on the fabric. Sunscreen effect, this method of sunscreen clothing will generally use adhesives, these adhesives will form a film on the surface of the fabric, generally not airy, and feel hard, wearing more stuffy.
The other is a thin translucent sunscreen that is woven with UV-resistant microporous fibers to provide a sunscreen effect, and the microporous structure also increases the moisture absorption of the fabric. Perspiration is more suitable for wearing in a hot environment. This thin and light sunscreen fabric is mainly chemical fiber products, such as polyester, nylon, acrylic, etc. Among these materials, acrylic fiber is the best sunscreen clothing material because of its light resistance.
The method for processing the ultraviolet shielding fiber is mainly to add the ultraviolet absorber to the spinning raw liquid, such as mixing titanium dioxide (TiO2) fine particles with the monomer for making the fiber to prepare a uniformly distributed filament of the inorganic material, and then using the same. The silk thread is woven into a cloth and made into a sun protection garment.
Anti-UV treatment can protect the sun
Gong Yu explained that the protection mechanism of sun protection clothing on ultraviolet light is divided into reflection and absorption, and the ultraviolet absorber used mainly includes inorganic and organic. Inorganic UV shielding agent mainly uses some inorganic substances to have good refractive, reflection and scattering properties to achieve the purpose of protecting ultraviolet rays, including titanium dioxide TiO2, zinc oxide ZnO, alumina Al2O3, kaolin, talcum powder and carbon black. Wait.
The organic anti-ultraviolet agent mainly aims to prevent ultraviolet radiation by absorbing ultraviolet rays and performing energy conversion to convert ultraviolet rays into low-energy thermal energy or short-wavelength electromagnetic waves. Most of the ideal ultraviolet absorbers have a conjugated structure and a hydrogen bond, and are converted into heat energy, fluorescence, phosphorescence, etc. after absorbing ultraviolet rays, and mainly include benzophenone compounds, salicylic acid compounds, and organic nickel polymers.
Gong Yu explained that the sunscreen clothing that is truly UV-resistant can achieve the desired sunscreen effect. However, it should be reminded that the current market for sun protection clothing is not good, it is recommended that consumers choose to clearly indicate the clothing material in the product label when purchasing (the fabric is mainly chemical fiber products, including polyester, nylon, acrylic, etc., and acrylic fiber due to light resistance) The best is the better sunscreen material), the upf index (the ratio of the ultraviolet radiation to the average amount of unprotected skin, the higher the index, the better the sunscreen) and other related parameters.
â– Effective comparison sun protection clothing VS ordinary clothing quality sun protection clothing is lighter and more expensive
Does it mean that you have to wear a sunscreen after you have a sunscreen effect? Can ordinary clothes have a good sunscreen effect? In this regard, Gong Yu said that the SPF value of ordinary shirts can reach 30 or so, the thicker the clothes, the better the sun protection effect, but the summer wear will be hotter.
The excellent sun protection clothing is woven with microporous fibers, which increase the pores of the clothes and reduce the fiber density, thereby enhancing the breathability of the clothes, not only the texture is light and thin, but also can absorb and discharge the sweat on the skin surface to the air. In the middle, there will be a feeling of breathable and dry when worn.
Some high-end sportswear is made from this microporous fiber, and even if people sweat during exercise, the clothes will not stick to the skin. "Of course, the sunscreen clothing that achieves this effect is generally expensive. At present, a large number of low-priced sunscreen garments do not have a good sunscreen effect, especially some counterfeit products," Gong said.
Sunscreen VS parasols and umbrellas can only protect part of the body
Gong Yu introduced that the current common sunscreens are generally divided into organic and inorganic. Inorganic sunscreens are prepared by uniformly dispersing sunscreen particles such as zinc oxide ZnO with a solvent to form a suspension. When applied to the skin, the skin and the skin can be The ultraviolet rays are separated by the outside world, but this kind of sunscreen is like a layer of mud on the skin when used, and generally not too comfortable.
Organic sunscreens absorb UV rays by combining certain chemicals with cells. It is important to note that allergic skin needs to be used with caution. This sunscreen needs to be applied 20 minutes before going out, and it needs to be applied again every 3-5 hours. When sweating or swimming, apply once every 2-3 hours. Sunscreen can not be washed off with normal facial cleanser and needs to be removed with cleansing oil, so the use of sunscreen is more troublesome.
As for the parasol, Gong Yu explained that although there is a good anti-ultraviolet effect, the sunlight is multi-angle, the ultraviolet rays hitting the ground may be reflected to the human body, and the umbrella can only protect a part of the body. Sometimes the wind will be very strong in the summer, it is more laborious to use the umbrella, and it is not convenient to carry.
â– Professional reminder SPF15 sunscreen is relatively safer
Shen Yongjia, a professor at the Institute of Fine Chemicals, East China University of Science and Technology, told reporters that sunscreen is generally divided into two categories for children and adults. Sunscreens generally indicate the SPF value in the outer packaging, that is, the sun protection factor. In general, children's sunscreens have a sun protection factor of 15. The key ingredient in sunscreens is UV absorbers, and there are many types of UV absorbers. The UV absorber with an SPF of 15 is titanium dioxide, which is itself non-toxic. It is safer, and the SPF value is marked as other sunscreens made of organic compounds. It is recommended that the public try to buy sunscreen with an SPF of 15. In addition, since sunscreen breaks down under the sun and does not last for sun protection, it needs to be applied several times a day.
A sunscreen that is truly UV-resistant is a good choice. It is light and easy to carry, and it can completely protect the skin without makeup, makeup and makeup removal. The material itself does not cause direct damage to the skin.
[Sunday also needs sunscreen]
Lun Wenhui, director of the Department of Dermatology and Venereology, Beijing Ditan Hospital, reminds that in fact, sun protection is mainly for UV protection. It is important to note that it is not only necessary to protect the sun from strong sunlight. For example, ultraviolet rays can still be used on cloudy days. Illuminate the human body through the clouds.
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