73results about How to "Inhibition of photodegradation" patented technology

A method of increasing the HDL concentration and the HDL/LDL concentration ratio in human serum by providing a balance between a sufficient and required proportion of cholesterol-free saturated fatty acids in the daily dietary fat of the human and a sufficient and required, but not excessive, proportion of polyunsaturated fatty acids comprising linoleic acid in dietary fat, while the remaining proportion of fatty acids and energy from the dietary fat is provided by monounsaturated fatty acids comprising oleic acid. Also described are compositions, including fat compositions and filled dairy products, containing such balanced fatty acid proportions.

The present invention relates to a modified water-proofing asphalt roll material (called SA roll material for short), and is characterized by that in the raw material formula of asphalt 4-15% of thermoplastic elastomer polystyrene-butadiene-styrene block copolymer (SBS), 3-12% of atactic polypropylene (APP), 1-8% of light shielding agent, 0.05-3% of antioxidant, 0.05-3% of light stabilizer and 0.05-3% of UV absorbing agent. Said water-proofing roll material possesses low-temp. resistance, high-temp. resistance. UV-resisting property and good ageing resistance.

An insulating sleeve for a beverage container is disclosed. The insulating sleeve for a beverage container includes a first flexible cloth layer, having a first side and a second side defined by a first straight edge, a second straight edge opposite the first straight edge, a first curved edge, and a second curved edge opposite the first curved edge, the first and second straight edges being generally perpendicular to the first and second curved edges. It further includes a second flexible cloth layer, having a first side and a second side defined by a first straight edge, a second straight edge opposite the first straight edge, a first curved edge, and a second curved edge opposite the first curved edge, the first and second straight edges being generally perpendicular to the first and second curved edges, wherein the first straight edge, second straight edge, first curved edge, and second curved edge of the second flexible layer are attached to the first straight edge, second straight edge, first curved edge, and second curved edge of the first flexible portion, respectively, a third flexible foam rubber layer disposed between the first flexible layer and the second flexible layer, a first fastener disposed upon the first side of the first flexible layer proximate to the second straight edge, and a second fastener disposed upon the second side of the second flexible layer proximate to the first straight edge of the second flexible layer.

The invention provides an ultraviolet resistant polyvinyl alcohol fruit bag film preparation formula and technology thereof, and the invention uses partial alcoholysis type polyvinyl alcohol, complete alcoholysis type polyvinyl alcohol and an inorganic ultraviolet ray screener as main raw materials, and a plasticizer, a surfactant, an emulsifier, etc. are added for mixing and preparing rubber, and a solution tape casting method is used for preparing a film. The ventilating amount of the composite film is regulated by adjusting the proportion of the partial alcoholysis type polyvinyl alcohol in a film forming agent; the ultraviolet resistance performance is realized by the inorganic ultraviolet ray screener nanometer titanium dioxide or nanometer zinc oxide or a combination thereof. The intensity of ultraviolet resistance can be set freely according to the requirement of users. The ultraviolet resistant polyvinyl alcohol fruit bag film of the invention is made of the polyvinyl alcohol-containing film which has the advantages of biological degradability, ultraviolet resistance, high permeability, anti-softening with water, etc., and is especially suitable for preparing fruit plastic film bags and automobile glass, etc.

The multilayer-structured spun yarn of the present invention is a multilayer-structured spun yarn C composed of a core fiber A and a cover fiber B that wraps around the core fiber; the core fiber A is in a range of 20 to 50 wt %; the cover fiber B is in a range of 50 to 80 wt %; the core fiber A contains a para-aramid fiber and is a stretch breaking twist yarn; the cover fiber B contains a flame-retardant acrylic fiber, a polyetherimide fiber, or a meta-aramid fiber; the direction of twist of the stretch breaking yarn and the direction of twist of the multilayer-structured yarn are the same; and the multilayer-structured yarn C has a twist number 1.2 to 1.6 times greater than that of the stretch breaking yarn. The heat-resistant textile of the present invention uses the aforementioned multilayer-structured spun yarn. The heat-resistant protective suit of the present invention uses the aforementioned heat-resistant textile.

The invention relates to light weathering and high strength flame retardant reinforced polybutylece terephthalate compound. The invention is characterized in that the compound consists of polybutylece terephthalate, compound modifier, main fire retardant, auxiliary fire retardant, fiber glass, special compound accessory ingredient and compound coupling agent. The invention has a preparation method that the compound modifier, the special compound accessory ingredient and the compound coupling agent are put in a high-speed blender to be dryly mixed for two to three minutes, the pre-mixing matter obtained in the step one, the polybutylece terephthalate, the main fire retardant, the auxiliary fire retardant and the fiber glass are added into an extruding machine through respective exact metering feeders, and are mixed and dispersed in a threaded tube through a combined threaded rod, and the product is obtained through melting extrusion and granulation. The invention has the advantages of outstanding light weathering performance as well as outstanding comprehensive mechanical performance.

A multilayer coating film which comprises:a cationic electrodeposition coat formed from an epoxy-based cationic electrocoating composition containing 5 to 300 millimoles of sulfonium group and 50 to 2,000 millimoles of carbon-carbon unsaturated bond per 100 g of the resin solid content, with carbon-carbon triple bond accounting for at least 15% of said carbon-carbon unsaturated bond; anda top coat formed thereon.

The invention relates to a modified polyvinyl chloride (PVC) drip tape applied to the filed of agricultural water-saving irrigation facilities. The formula of the PVC drip tape comprises carbon black, a plasticizer, a high molecular plasticizer (GZ), an anti-impact modifier, a lubricant, a processing accessory agent, a heat stabilizer, calcium carbonate (CaCO3), a coupler and PVC; the carbon black comprises medium color black and common color black; the PVC comprises the types of PVC-SG2, PVC-SG3, PVC-SG4 and PVC-SG5; the plasticizer comprises dibutyl phthalate (DBP) and dioctyl sebacate (DOS); the lubricant comprises a compound lubricant, i.e., a stearic acid, calcium stearate, chlorinated paraffin or oxidized polyethylene wax (OPE). The modified PVC drip tape has scientific and novel conception; the PVC drip tape has excellent comprehensive performance after modification treatment by using various modification accessory agents; and compared with the common PVC drip tape, the modified PVC drip tape has relatively low production cost and more remarkable advantages in price and performance, can reduce the consumption of gasoline resource and is more beneficial to the agricultural water-saving irrigation technology of China.

The invention discloses a high-temperature-resistant synthetic rubber for a color sorter. The high-temperature-resistant synthetic rubber is prepared from the following raw materials: 40-60 parts of styrene-butadiene rubber, 3-4 parts of an anti-aging agent 1010, 4-5 parts of polytetrafluoroethylene, 2-3 parts of magnesium oxide, 1-3 parts of magnesium silicate hydrate ultrafine powder, 2-3 parts of an anti-aging agent OD, 3-5 parts of mica powder, 3-4 parts of an accelerator M, 20-40 parts of polybutadiene rubber, 30-40 parts of N660 carbon black, 2-4 parts of aluminum hydroxide, 5-8 parts of nitrocellulose plastic, 4-5 parts of phthalate and 10-12 parts of modified diatomite. The synthetic rubber disclosed by the invention is used for replacing the ordinary spring used in the vibrator of the conventional color sorter so as to achieve a better damping effect; according to the synthetic rubber, by adding polytetrafluoroethylene, the characteristics of high temperature resistance and corrosion resistance are increased and meanwhile the preparation process is simple and the synthesized rubber has stable quality.

The invention discloses a Montelukast tablet composition. The composition comprises Montelukast, porous filling agent, disintegrating agent, lubricant, opadry film coating premixing agent and purified water; and the stability of the Montelukast can be remarkably improved. The invention further discloses a preparation method for the Montelukast tablet composition; the powder is adopted to directly compress tablets, so that the operation is convenient, the influence to the product quality from the drying process and the hot and humid condition is avoided, the content of related substances is low, and the stability is remarkably improved.

The present invention discloses one kind of hypertension treating compound preparation and its preparation process. The compound preparation includes one tablet core containing diuretic in effective treating amount and pharmaceutically acceptable carrier, and one coating containing telmisartan in effective treating amount and pharmaceutically acceptable carrier. The content of diuretic is 1.5-10 wt% of the tablet core, and that of telmisartan is 3.5-25 wt% of the coating. The compound preparation is prepared through preparing the tablet core pellet and the coating pellet separately with medicine material and supplementary material and the subsequent pressing the coated tablet in a rotary coating machine. The hypertension treating compound preparation has reliable and safe blood pressure reducing effect and high stability.

A roll roofing material is provided in the form of a cylindrical roll that may or may not have an exterior covering thereon, and with transverse members being provided, carried by the cylindrical roll, and which protrude generally outwardly of an exterior cylindrical surface of the roll. The transverse members inhibit rolling of the roll roofing either off a pitched roof, or relative to a flat roof. One or more inserts may be provided in a hollow core of the roll, and connectors may attach a strap to these inserts for transporting the same from ground to a rooftop, or otherwise. Protective covers may be provided at opposite ends of the roll roofing, and the protective covers may comprise the transverse members, as may be desired.

The invention discloses a water-resistant and anti-aging synthetic rubber for color sorters, which is prepared from the following raw materials in parts by weight: 40-50 parts of ethylene propylene terpolymer, 30-40 parts of a butadiene rubber, 2-5 parts of talcum powder, 1-3 parts of aluminum hydroxide, 20-30 parts of super light silica, 2-4 parts of diethylene glycol, 1-2 parts of an accelerator TETD, 2-3 parts of an antiager A, 20-40 parts of N220 carbon black, 3-4 parts of styrene, 1-3 parts of m-xylylenediamine, 2-4 parts of 3-aminopropyltrimethoxysilane, 1-3 parts of paraffin wax, and 10-12 parts of modified diatomite. The synthetic rubber disclosed by the invention replaces a common spring used in a vibrator of an existing color sorter so as to achieve a better shock-absorbing effect; and the 3-aminopropyltrimethoxysilane added in the synthetic rubber disclosed by the invention can enhance the cohesiveness of the synthetic rubber, increase the mechanical, electrical, water resistant and anti-aging properties and the like of products, and improve the wettability and dispersity of filler in polymers.

The invention relates to the field of chemical engineering, in particular to a preparation method of copolymerized organic silicon resin microspheres. According to the method, a vinyl-siloxane polymer, vinyl tri(dimethylsiloxane)silane, 1,1,3,3-tetramethyldisiloxane and a platinum catalyst form a microemulsion in a high-efficiency micro-emulsifier and the micro-emulsifier is subjected to copolymerization, thereby obtaining the organic silicon resin microspheres. The invention relates to the preparation method of the copolymerized organic silicon resin microspheres. According to the method, anorganic silicon resin microsphere is prepared by adopting a copolymerization method; an efficient micro-emulsifier is adopted. The water-in-oil single-phase micro-emulsion can be prepared from the rawmaterials under the condition of sufficient and uniform mixing, an ideal nanoparticle synthesis environment is provided for manufacturing a nanoscale micro-reactor for reaction, the morphology of nanoparticles can be accurately controlled, and the synthesized organic silicon resin microspheres have very complete spherical morphology.

A high-performance quantum dot white light LED and a preparing method thereof belong to the field of semiconductor illumination. The high-performance quantum dot white light LED is based on an electroluminescent blue light LED chip. The high-performance quantum dot white light LED is obtained through successively coating a CdSe/CdS/ZnS quantum dot thin-film layer which emits red light and a Cu:ZnInS/ZnS/ZnS:Al quantum dot thin-film layer that emits green light. According to Cu:ZnInS/ZnS/ZnS:Al quantum dot which emits green light, Al3<+> can be packaged through kernel doped Cu2<+> and an external ZnS housing layer, thereby improving light/thermal stability. The CdSe/CdS/ZnS gradient alloy quantum dot which emits red light supply multiple-housing-layer protection, thereby reducing defects caused by surface crystal lattice mismatch and preventing light degeneration. The coating manner of layered structure can remarkably suppress energy transmission and re-absorption between quantum dots and furthermore improves light emitting efficiency. The prepared quantum dot white light LED is suitable for an occasion wherein low color temperature, high color rendering index and high light emitting efficiency are required, and is particularly suitable for the displaying and illuminating field with relatively high requirement for light emitting stability.

The invention relates to the field of high polymer materials, in particular to a composite hydrogel, a composite hydrogel film and a preparation method and application thereof. The composite hydrogelis mainly prepared from complete alcoholysis type polyvinyl alcohol, partial alcoholysis type polyvinyl alcohol, a natural polymer material, salicylic acid, a surfactant, a silane coupling agent, nanographene oxide, zinc oxide whiskers, nano titanium dioxide, water and the like. A water-soluble polymer base material is adopted, water serves as a solvent, the natural polymer material is added, harmful chemical substances or stimulating substances are avoided, and environmental friendliness and safety are realized; by adoption of salicylic acid, nano titanium dioxide and zinc oxide whiskers asan antibacterial agent and an anti-ultraviolet agent, great escherichia coli antibacterial effects are achieved, and ultraviolet harms are effectively reduced; the composite hydrogel film is excellentin mechanical performance and available for antibacterial and ultraviolet protection application, such as touch screen sterilization, textile material bacterium resisting, ultraviolet prevention andthe like.

The invention relates to an intelligent response type soluble microneedle and a preparation method thereof. The intelligent response type soluble microneedle comprises a needle tip, a needle body and a substrate; the needle tip is prepared from a raw material comprising a soluble material and intelligent response type nanoparticles; the needle body is prepared from a raw material comprising a soluble material; the substrate is prepared from a raw material comprising a high polymer material; the intelligent response type nanoparticles are a zeolite imidazate framework structure material loaded with a photosensitizer; and the photosensitizer is a cyanine dye with negative electricity. The intelligent response type soluble microneedle provided by the invention is excellent in acne treatment effect, and the photosensitizer has very high load rate and stability.