329results about How to "Chemical resistant" patented technology

The invention relates to a reinforced PA6/ABS(Polyamide 6/Acrylonitrile-Butadiene- Styrene) alloy material, belonging to the technical field of polymer materials. The reinforced PA6/ABS alloy material is characterized by comprising the following components in percentage by weight: PA6 30-70, ABS 10-50, anti-impact modifier 5-15, glass fiber 10-40, compatilizer 1-10, antioxidant 0.2-1 and lubricant 0.3-0.8. The reinforced PA6/ABS alloy material has the characteristics of stable size, high strength, high fluidity, chemical resistance, wear resistance, good heat resistance performance,etc. The reinforced PA6/ABS alloy material can be used for injection molding automotive interior parts, automobile wheel covers, printer gears, sports equipment and other motor products.

The invention relates to a microfluidic-control preparation method for a microsphere of a polymethylmethacrylate-coated cadmium telluride (CdTe) quantum dot, and relates to a preparation method for the microsphere of a polymethylmethacrylate-coated CdTe quantum dot. The microfluidic-control preparation method for the microsphere of the polymethylmethacrylate-coated (CdTe) quantum dot aims to solve the problems that the surface of the quantum dot needs to be modified and the quantum dot is easy to dissolve by the microsphere of the polymethylmethacrylate-coated CdTe quantum dot by adopting a traditional preparation method for the microsphere of the polymethylmethacrylate-coated CdTe quantum dot. The method comprises the following steps: preparing a sodium hydrogen telluride solution; preparing a CdTe quantum dot; preparing a polymer solution; connecting a microfluidic-control system; respectively putting the polymer solution and silicone oil into injectors A and B of the microfluidic-control system; setting the propulsion speed of the injectors A and B; after starting, formed liquid beads flow into a rotary evaporator; and curing and evaporating the silicone oil to obtain the microsphere of the polymethylmethacrylate-coated CdTe quantum dot. In the microfluidic-control preparation method for the polymethylmethacrylate-coated CdTe quantum dot, the polymethylmethacrylate-coated CdTe quantum dot is selected, therefore, fluorescence is stable, and the microsphere can be adjusted in size and can be used for field of fluorescent display and the like.

The invention discloses waterproof crack-resistant foam concrete and a manufacture method thereof. The waterproof crack-resistant foam concrete is formed by mixing and stirring of raw materials including, by weight, 220-350 parts of cement, 90-180 parts of microspheres, 1-6 parts of elastic particles, 0.30-0.45 parts of palm filaments, 60-160 parts of water, 2-9 parts of waterproof admixtures and foam. The waterproof crack-resistant foam concrete and the manufacture method thereof have the advantages that the raw materials such as industrial by-products, tailings powder or waste rubber powder and the palm filaments are adopted, and the multi-scale toughening principle on compounding of the elastic particles and fibers is followed, so that strength and crack resistance of the foam concrete are improved, and waste resource utilization is benefited; the adopted waterproof admixtures are highly compatible with other materials, and accordingly, water resistance and durability of the foam concrete are improved effectively; by the prepared foam which is fine, uniform and high in stability, anti-permeability and thermal performance of the foam concrete are improved; the foam concrete is applicable to heat insulation of building walls and roofs and roadbed refilling materials for highways in regions with soft soil and high water level.

The invention belongs to the technical fields of high-molecular material processing and modification, and relates to a polyphenylene sulfide/semi-aromatic nylon composite material and a preparation method thereof. The composite material is prepared by using the following components, by weight, 50-70 parts of polyphenylene sulfide, 40-60 parts of semi-aromatic nylon, 10-30 parts of a glass fiber, 10-20 parts of an inorganic mineral filler, 1-15 parts of a compatilizer, 0.5-2 parts of an antioxidant and 1-3 parts of a lubricant. The material disclosed in that invention has the advantages of low molding shrinkage, good dimension stability, high toughness, excellent high temperature resistance and the like.

The invention specifically relates to water-based lotus-leaf-structured hydrophobic over-printing varnish for wallpaper and a preparation method of the over-printing varnish, and belongs to the technical field of ink. The technical problem to be solved is to provide an over-printing varnish by using which the surface of a wallpaper product can be smooth, bright and wear-proof and the lotus leaf type waterproof and moisture-roof effects can be realized, and a preparation method of the over-printing varnish. In order to solving the technical problem, the technical scheme adopted is as follows: the water-based lotus-leaf-structured hydrophobic over-printing varnish for the wallpaper is prepared from raw materials including a modified organic silicon polymer emulsion, a non-film-forming acrylate emulsion, an styrene-acrylic emulsion, neutralizing amine, propylene glycol, a water-based coalescing agent, a water-based leveling wetting agent, a mineral defoamer, a water-based nanoscale organosilicon waterproofing agent, a waterborne polyurethane thickening agent, deionized water and an organic silicon defoamer; the raw materials are stirred and mixed in a specific order to form the over-printing varnish.

The invention relates to fireproof flame-retarding polystyrene foam which is technically characterized in that an inorganic flame retardant, a water-soluble adhesive, an inorganic dispersing agent, a strength enhancer, water and a foaming agent are added into polystyrene foam plastic granules, extracted from waste polystyrene foam plastics, and ordinary polystyrene foam plastic granules. The invention further provides a production method of the fireproof flame-retarding polystyrene foam. The fireproof flame-retarding polystyrene foam disclosed by the invention has the physical and chemical properties of light weight, cushioning, heat insulation, chemical resistance and the like, and further has the characteristics of simple process, low cost, wide application range, long service life and the like.

The invention discloses a nanometer cross-linking PVDF/PU (Polyvinylidene Fluoride/Polyurethane) blending hollow fiber ultrafiltration membrane and a preparation method thereof, wherein the nanometer cross-linking PVDF/PU blending hollow fiber ultrafiltration membrane mainly contains the ingredients of polyvinylidene fluoride (PVDF), polyurethane (PU), nanometer cross-linking agent and solvent, and the nanometer cross-linking PVDF/PU blending hollow fiber ultrafiltration membrane prepared according to the method of the invention integrates the characteristics of two high polymers and nanometer material, and has the advantages of large strength, good tenacity and thermal resistance, excellent pollution resistance, large flux and the like.

The invention aims at providing a simple, convenient, fast and reliable internal filled waterproof wire bundle and a fabrication method thereof. The internal filled waterproof wire bundle is characterized by comprising wire bundle bodies and a solid filler, wherein gaps among the wire bundle bodies are fully filled with the solid filler. The fabrication method comprises the following steps: heating and melting the solid filler; coating the wire surfaces with the molten filler; putting the wires soaked with the filler into a mold, and closing the mold for cooling; and cooling and curing the wires, opening the mold, and taking out the wire bundle bodies, so as to obtain the internal filled waterproof wire bundle. The internal filled waterproof wire bundle fabricated by the method has the properties such as waterproofness, anti-leakage property, insulating property and chemical corrosion resistance; and the service life of the wire bundle can be greatly prolonged.

The invention discloses a self-cleaning material for signal lines. The self-cleaning material is prepared from the following ingredients, by weight, 30-40 parts of hydroxyl-terminated fluorine-containing polyester polysiloxane, 10-20 parts of chitosan- adipic acid dual coating modified calcium carbonate, 40-60 parts of diisocyanate fluoride, 20-30 parts of a PS-b-PDMS-b-PS segmented copolymer, 10-15 parts of POE-g-MAH and 15-25 parts of a processing aid. The invention also discloses a preparation method of the self-cleaning material for signal lines. The product has characteristics of low surface tension of fluoroalkyl-containing and siloxane-containing structures, hydrophobicity, oleophobicity and the like. When the product is applied to signal lines, the product has advantages of self-cleaning function, high anti-pollution ability, flexibility, good elasticity, good hand feeling, good weatherability, chemicals resistance, antibacterial property and the like, and is not easy to scratch or leave a trace. When in use, the product can keep bright in appearance for a long time. thus, the defect that most existing fluorine-containing materials have high hardness and inflexible molecular chain and are not applicable to signal lines is overcome.

The invention discloses a method for preparing epoxy acrylate modified waterborne polyurethane coating and belongs to the technical field of chemical coatings. The method comprises the following steps: A) synthetizing modified epoxy acrylate; B) preparing an epoxy acrylate modified waterborne polyurethane emulsion; and C) preparing the finished product epoxy acrylate modified waterborne polyurethane coating. The epoxy acrylate modified waterborne polyurethane coating has the advantages of excellent bondability of epoxy resin, high modulus, high strength, high adhesive force, low shrink rate, water resistance and chemistry resistance. The epoxy acrylate modified waterborne polyurethane coating has excellent water resistance, physical property and weather resistance of acrylate ester; the raw materials are easy to obtain and have low cost; and the epoxy acrylate modified waterborne polyurethane coating has good physical performance and cold resistance of waterborne polyurethane and has environment protection property.

The invention discloses photocuring hammer paint. The photocuring hammer paint comprises components in percentage by weight as follows: 15-25% of thermoplastic organic silicone modified alkyd resin, 5-25% of phenolic epoxy acrylic resin, 15-30% of UV (ultraviolet) curing monomers, 1-5% of a photoinitiator, 35-45% of a solvent, 0.5-1% of a hammer additive and 2-4% of non-floating type aluminium powder. According to the photocuring hammer paint, the UV curing components are introduced into the hammer paint, so that the film formation and curing time is shortened, and the construction efficiency is improved; and the UV curing components are introduced, through a photocuring chemical crosslinking reaction, the crosslinking density of a paint film is increased, the heat resistance and the abrasion resistance of the paint film are improved, and the phenolic epoxy acrylic resin in the paint has the excellent chemical resistance, so that the hammer paint has the better chemical resistance, corrosion resistance and temperature variation resistance and can satisfy the requirements of hammer decoration on surfaces of instruments in current aviation and navigation fields for resistance.

The invention discloses a graphene oxide-modified polyurethane-cellulose battery separator and a preparation method thereof, and belongs to the field of a lithium battery material. The composite cellulose separator is a wet-state graphene oxide-modified polyurethane-cellulose film material which is prepared by dissolving cellulose in an ionic liquid [Amin]Cl, performing crosslinking reaction with6-methylene diisocyanate and then mixing with graphene oxide, the separator is prepared by solvent replacement and drying, and the composite separator can be used for a non-aqueous lithium battery separator material. The separator prepared by the method has relatively good thermal resistance, chemical solvent resistance and mechanical property; and moreover, the regenerative cellulose is used as araw material, and the separator has the advantages of low cost and biological degradability.