521 results about "Ultraviolet protection" patented technology

The invention relates to the technical field of polyvinyl chloride (PVC) composite materials, in particular to an ultraviolet-proof environmental-friendly PVC modified material and a preparation method of the ultraviolet-proof environmental-friendly PVC modified material. The modified material is composed of, by weight, 80-120 parts of PVC resin, 30-70 parts of filling agents, 41-80 parts of plasticizer, 1-10 parts of fire retardant, 1-10 parts of stabilizer, 5-15 parts of impact modifier, 0.2-2 parts of lubricating agents, 0.5-1.5 parts of light stabilizer and 0.2-1 part of antioxidant. The preparation method comprises the steps of weighing the raw materials according to the parts by weight, mixing the raw materials, after stirring, extruding prills through a twin-screw extruder, and obtaining the modified material. The modified material has the advantages of ultraviolet protection and oxygen resistance, service life of the PVC material exposed in air is greatly improved, environment is protected, strength is high, a fire retardant effect is good, compression performance and toughness are strong, processability is good, and an overall property is good.

Large particle sunscreen powders useful as ingredients in cosmetic compositions and in dispersions for incorporation into cosmetic compositions comprise a UV shielding agent in a matrix material. The macroparticle powders can be used in a wide range of cosmetic formulations, including sunscreens, eyeshadow, mascara, foundation, blusher, toner, lipstick and other compositions requiring ultraviolet protection.

The invention provides a preparation method of a superhydrophobic ultraviolet resistant textile, which comprises the steps that: first, the surface of the textile is pre-treated; then a micro-particle in a core-shell structure with ultraviolet absorption action is loaded on the surface of the textile which is pre-treated so as to improve the surface roughness of the textile; and finally a low-surface energy substance is adopted to treat the textile which is loaded with the micro-particle in the core-shell structure. A contact angle between the textile which is prepared through the method and a water drop is more than 150 degrees, and the textile has stable superhydrophobic performance, and simultaneously has excellent ultraviolet protection performance.

Topically applicable cosmetic/dermatological UV protection compositions having enhanced SPF contain at least one organic UV screening agent and/or at least one inorganic screening agent, such compositions also containing at least the following constituents (A) and (B):

• • A) a semi-crystalline polymer which is solid at ambient temperature and has a melting point of greater than or equal to 30° C., containing a) a polymeric backbone and b) at least one crystallizable organic side chain and/or one crystallizable organic block forming part of the backbone of this said polymer, said polymer having a number-average molecular mass Mn of greater than or equal to 1,000, and
  • B) hollow latex particles having a particle size ranging from 150 to 380 nm, formulated into a topically applicable, physiologically acceptable medium therefor.

The invention provides sunscreen cream and a preparation method thereof. In terms of the total weight of the sunscreen cream, the sunscreen cream comprises components as follows: 2%-10% of a physical sunscreen agent, 2%-30% of a chemical sunscreen agent, 0.01%-1% of an antioxidant, 5.5%-20% of grease, 2%-6% of an emulsifier, 3%-15% of a humectant, 0.1%-2% of polypeptide and 10%-85% of water, preferably, 5%-10% of the physical sunscreen agent, 15%-25% of the chemical sunscreen agent, 0.1%-0.8% of the antioxidant, 10%-20% of the grease, 4%-6% of the emulsifier, 8%-15% of the humectant, 0.1%-1.5% of the polypeptide and 22%-53% of the water. The sunscreen cream not only has ultraviolet protection function, but also can protect human tissue from getting infrared ray harm.

The invention relates to a fabric with a double-sided composite structure interweaved by cooling ice-cold fibers and cotton yarns. The inner layer of the fabric is formed by the ice-cold fibers and has a mesh-like tissue structure; and the outer layer of the fabric has a plain weave tissue structure. Australia AS/NZS 4399:1996 Evaluation and Classification of Ultraviolet Protective Fabric' standard tests show that the ultraviolet protection factor UPF level of the fabric reaches 50 +. A method for manufacturing the fabric comprises the following steps of: weaving, preprocessing, dyeing and scotching forming. The dyeing step comprises cotton dyeing, water washing, dewatering, polyamide fiber dyeing, water washing, color fixing and water washing in sequence. A coolfresh auxiliary agent and an uvioresistant auxiliary agent are added in one bath during dyeing, and the coolfresh auxiliary agent is added again by squeezing when scotching forming. The fabric combines the multiple functions of ice cooling, temperature reduction, coolfresh and uvioresistance into the whole fabric and is an ideal outdoor sportswear fabric.

A post anchor for securing a support post for a structure comprises a base with four upstanding sidewalls forming a cavity into which a post is inserted, and means to secure the post inside the cavity. Interior ribs and exterior augmented corners resist deformation under pressure exerted by the post. Interior channels allow water to drain from inside the cavity toward a drain hole. The anchor post is slightly elevated relative to the ground, allowing air and water to circulate around the post and post anchor. The post anchor is made of a thermoplastic polymer which is given a textured surface, and may include an ultraviolet protection additive.

The present invention relates to methods of imparting color and ultraviolet protection to synthetic yarns or substrates. More specifically, the present invention is directed to a method of solution dyeing a polymeric material during polymerization to form a base color shade, and subsequently dyeing the polymeric material by either yarn dyeing or piece dyeing. Ultraviolet protection is also provided in the solution dyeing step, by introducing an ultraviolet stabilizing agent into the polymer. The base shade may then be transformed into a useful color pallet with enhanced lightfastness properties by applying a final color shade late in the fabric formation process.

A multifunctional knitted dress plus material has the functions of moisture wicking, as well as being uvioresistant, antibacterial and deodorant. The plus material is weaved by adopting moisture conductive polyester fiber, is formed by functional arrangement and is tested according to American AATCC79-200 absorbency test of bleached textiles standard, and the water-absorbing time of the plus material is 1 second before the plus material is washed and after the plus material is washed for 10 times and 20 times; according to the test standard of Australian AS/NZS 4399:1996 ultraviolet protection plus material evaluation and classification, the ultraviolet protection factor (UPF) level of the plus material reaches 35-50+; furthermore, according to the Switzerland SANITIZED AG SN 195 920 standard test, the antibacterial effect of the plus material shows that the growth of staphylococcus aureus ATCC 6538 is zero. The production technique comprises dyeing, and adding uvioresistant functional addition agent in dye bath; sizing finished products, antibacterial and deodorant addition agent as well as moisture absorption fast-dried addition agent are added into mangle.

The invention relates to a preparation method of anti-ultraviolet knitted coated fabric. The preparation method is characterized in that through a transfer coating method, a knitted base material is coated with a surface layer composed of a surface layer polyurethane coating agent, and a bonding layer (bottom layer) composed of a bonding layer polyurethane coating agent, wherein the bonding layer polyurethane coating agent is added with anti-ultraviolet finishing agents. A result of a test shows that anti-ultraviolet knitted coated fabric prepared by the preparation method has good anti-ultraviolet functions and feels good.

A sport/utility or outdoor protective cap or hat is made of an ultraviolet protection factor (UPF) rated elasticated fabric which has the ability to wick moisture from the head of the wearer in addition to protecting the wearer's head covered by the cap from the sun. The cap has a dome-shaped body portion and a lower band or edge trim around the lower periphery of the dome-shaped portion. The lower band is of varying height, with wider or taller side portions to provide at least substantially full coverage for the ears. The dimensions of the cap are selected so that the cap fits closely and comfortably to the wearer's head with little or no rucking.

The invention belongs to the technical field of nanocomposites, and discloses anti-ultraviolet radiation lignin-based zinc oxide composite particles for fabric and a preparation method and application in the fabric of the particles. The preparation method comprises the following steps that 1, pH of a lignin sulfonate aqueous solution is adjusted to be alkaline, heating is conducted, an active agent is added for reacting, a carboxylated reagent is added, an isothermal reaction is conducted, and carboxylated lignin sulfonate is obtained; 2, carboxylated lignin sulfonate prepared in the first step is prepared into an aqueous solution, the pH is adjusted to be alkaline, a zinc salt is added for reacting, reacting is conducted by heating, the pH is adjusted to be 9 to 11, reacting is conducted continuously, a cross-linking agent is added for reacting, cooling, ageing, separating and drying are conducted, and the lignin-based zinc oxide composite particles are obtained. According to the composite particles, agglomeration among nano zinc oxide particles is overcome, the particles are dispersed uniformly, adhesion to fabric fibers is improved, effective protection of UVA and UVB full-wave bands is provided, and the problem that the ultraviolet-protection capacity is limited is solved.

The invention discloses a building material type double-sided glass photovoltaic component, comprising a solar cell core panel, an upper protective layer and a lower protective layer which are arranged at the two sides of the solar cell core panel; the upper protective layer and the lower protective layer are curved glass with the same curvature, the solar cell core panel is made of flexible material, and the curvature of the solar cell core panel is the same to the curvature of the upper protective layer and the lower protective layer. The invention also discloses a manufacturing method for the building material type double-sided glass photovoltaic component. The solar cell core panel can be integrated with the upper protective layer and the lower protective layer into a whole, so that the building material type double-sided glass photovoltaic component is formed and has the features of high photoelectric conversion efficiency, stable performance, long service, safety and reliability, heat insulation, heat preservation, sound insulation, ultraviolet protection, breakage resistance and selective light transmission, certain lighting demand is met, the double-sided lighting power generation is also realized, meanwhile the appearance radian is attractive and elegant, the integration of solar energy and building is realized conveniently, and the building material type double-sided glass photovoltaic component is particularly applicable to various buildings such as a photovoltaic glass curtain wall with complicated curves and planes, a photovoltaic glass lighting roof, a photovoltaic parking shed and a photovoltaic bus shelter.

The invention relates to a pearl fibre denim fabric with the functions of skin protection and health care. Denim fabric warp yarn adopts cotton fibre yarn, and weft yarn adopts pearl fibre mixed yarn; and the pearl fibre mixed yarn is one or the combination of pearl fibre, natural silky fibre, Modal fibre and cotton fibre, and the mass ratio of the pearl fibre in the weft yarn is 15% to 40%. The normal direction emissivity of the far infrared ray of the denim fabric is 0.81 to 0.898, the ultraviolet prevention feature (UPF) (ultraviolet protection coefficient) is greater than 50, and the denim fabric has the advantages of satiny texture, moisture absorption, ventilation, good serviceability and comfortable wearing.

The invention discloses fusion-method-prepared functional graphene cellulose fiber. The fiber mainly comprises 0.5-10.0% of graphene and 90.0-99.5% of cellulose. A preparation method of the graphene cellulose fiber comprises procedures of graphene dispersion liquid preparation, cellulose/ionic liquid mixture preparation, mixing, pre-fusing, spinning solution preparation and spinning. The far infrared normal emissivity of the prepared functional graphene cellulose fiber reaches 0.83-0.98, the ultraviolet protection coefficient reaches 62.78-560.21, the ultraviolet a transmittance is smaller than 4.92%, and compared with common viscose, the graphene cellulose fiber has the advantage that the thermal decomposition temperature is raised by 10-42 DEG C. By means of the method, the production process is short, less pollution is caused to the environment, the requirement of sustainable development is met, and the method has great significance for achieving a high-temperature melt spinning route of the functional cellulose.

The invention relates to the technical field of skin-care products, in particular to a powerful antioxidant skin-care product containing a blackberry extract. The powerful antioxidant skin-care product comprises the following ingredients: the blackberry extract, propylene glycol, hyaluronic acid, cyclopentasiloxane, xanthan gum, methyl cellulose, glycerol, polyoxyethylene-2 stearyl ether, methylparaben and deionized water. According to the powerful antioxidant skin-care product containing the blackberry extract, after the blackberry extract serves as an additive, excessive oxygen radicals in human skin can be efficiently removed, aging of the human skin and formation of facial splash are prevented or delayed, and the effects of skin whitening, moisture holding, skin repairing, ultraviolet protection, skin sterilization, inflammation diminishing, freckle and acne removal and the like can be achieved. Therefore, the powerful antioxidant skin-care product containing the blackberry extract can be widely applied to most products requiring antioxidant protection, such as facial masks, hand creams, sun creams, whitening creams, stimulating lotions, eye creams, anti-freezing creams and anti-dandruff products.