95results about How to "Environmentally safe" patented technology

The invention provides a PVC (polyvinyl chloride) micro-foam floor and a preparation method thereof. The PVC micro-foam floor comprises the following components in parts by weight: 120-150 parts of PVC resin, 40-80 parts of diatomite, 10-20 parts of plant fiber, 5-10 parts of plasticizer, 1-5 parts of heat stabilizer, 0.5-3 parts of lubricating agent, 0.7-2 parts of anti-impact modifier, 1.5-3.5 parts of antioxidant, 0.5-1.2 parts of foaming agent, 3-7 parts of flame retardant and 2-7 parts of antibacterial agent. The PVC micro-foam floor provided by the invention has the advantages of high impact strength, tensile strength, tear strength and compressive strength, good wear resistance, water resistance and weather resistance, flame-retardant, anti-bacterial, anti-static and anti-aging effects, capability of keeping the color of the floor unchanged for a long time, and durability.

The invention relates to a conductive coating composition. The conductive coating composition comprises the components in parts by weight: 65-100 parts of high molecular resin, 0.001-5 parts of conductive nano-zinc oxide, 110-200 parts of solvent and 0-30 parts of curing agent. The electrical resistivity of a conductive coating is 10<-4> to 10<3> omega.cm, the conductive nano-zinc oxide is light-colored, and the addition amount is small, thus the obtained conductive coating is high in transparency, and the light transmittance reaches as high as 96%.

A corrosion resistant coating for gas turbine engine includes a glassy ceramic matrix wherein the glassy matrix is silica-based, and includes corrosion resistant particles selected from refractory particles and non-refractory MCrAlX particles, and combinations thereof. The corrosion resistant particles are substantially uniformly distributed within the matrix, and provide the coating with corrosion resistance. Importantly the coating of the present invention has a coefficient of thermal expansion (CTE) greater than that of alumina at engine operating temperatures. The CTE of the coating is sufficiently close to the substrate material such that the coating does not spall after frequent engine cycling at temperatures above 1200° F.

The invention discloses a self-lubricating treating agent composition which contains water, colloidal silicon dioxide, sodium silicate, lubricant, inorganic inhibitor, silane coupling agent and organic resin. The invention also discloses a hot aluminum/zinc-plated sheet which comprises a hot aluminum/zinc-plated sheet substrate and a coating attached to the surface of the substrate, wherein the coating is formed by the self-lubricating treating agent composition. The invention the invention also discloses a preparation method of the hot aluminum/zinc-plated sheet, which comprises the following steps: preparing the self-lubricating treating agent composition into a coating solution, coating the coating solution on the hot aluminum/zinc-plated sheet substrate, and curing. The coating formed by curing the self-lubricating treating agent composition has favorable corrosion resistance, heat resistance, water resistance and adsorptivity, and has especially excellent fingerprint resistance and self-lubricating property.

The invention discloses an anti-static, anti-corrosion, waterproof and stretching-resistant insulated cable. The anti-static, anti-corrosion, waterproof and stretching-resistant insulated cable comprises a cable body. The cable body comprises cable cores, a cable core protective layer, an insulating layer, a shielding layer and an outer jacket. The cross section of the cable core protective layer is of a circular structure, and the multiple evenly-arranged cable cores are arranged in the cable core protective layer and separated through PVC plastic connecting rods; a plurality of current guide cores are arranged outside the cable core protective layer and are tangent with the cable core protective layer; the insulating layer is arranged outside the cable core protective layer; waterproof fillers are arranged in a gap between the insulating layer and the cable core protective layer; the shielding layer is tightly extruded on the insulating layer and internally provided with the multiple evenly-arranged current guide cores; a breakdown resistant layer, a steel core protective layer and a waterproof layer are sequentially extruded on the shielding layer from inside to outside; an armor layer is extruded outside the waterproof layer, the outer jacket is arranged outside the armor layer, and a graphite layer is arranged between the armor layer and the outer jacket. The anti-static, anti-corrosion, waterproof and stretching-resistant insulated cable has the advantages of being reasonable in structural design, high in anti-static capacity, good in anti-corrosion performance and the like.

A wood-based loss circulation material is formed with a density matched to the density of the drilling fluid to which the loss circulation material will be added. The material is formed from sawdust or fiber pressed under high pressure into high-density pellets. The resulting pellets are brittle, and may be crumbled and screened into particles of an appropriate size for a particular drilling fluid application. Different particle sizes may be employed to prevent seepage or fill voids during the well drilling process. The particles do not disassociate into their constituent materials when in the drilling fluid, and thus maintain their density during use.

The invention provides a flame-retardant room-temperature vulcanized silicon rubber and a preparation method thereof. The flame-retardant room-temperature vulcanized silicon rubber is prepared from 100 parts of alpha, omega-dihydroxy polydimethyl siloxane, 3-10 parts of reinforcing filler, 0-15 parts of dimethyl silicon oil, 60-100 parts of flame retardant agent, 1-3 parts of cross-linking agent,and 0.5-3 parts of catalyst, wherein the flame retardant agent is compounded based on melamine and one or two of lipophilic magnesium hydroxide and lipophilic aluminum hydroxide. In production and solidification of the flame-retardant room-temperature vulcanized silicon rubber, toxic substances or pungent odors are not generated, so that the preparation method is environmentally friendly and safe.The flame-retardant room-temperature vulcanized silicon rubber has good flame-retardant performance, mechanical property and processing performance, in addition, the raw materials of the flame-retardant room-temperature vulcanized silicon rubber have a wide source range and are low in price. The preparation method of the flame-retardant room-temperature vulcanized silicon rubber is easy and is low-cost.

The invention relates to a method for treating and utilizing agricultural solid waste through aerobic high-temperature hydrolysis and fermentation, which comprises the following treatment steps: a, mixing shorn and crushed crop straws with livestock/poultry dung, squeezing the mixture to carry out liquid-solid separation, soaking the solid residue obtained in the first squeezing procedure, and further squeezing to carry out liquid-solid separation; b, mixing the liquids obtained in the two squeezing procedures in the step a, inoculating with active sludge, hydrolyzing and fermenting the mixed liquid in the presence of hot air for a fermentation period of 1-10 days, carrying out vacuum concentration, and cooling to obtain a compound microbial inoculum product; and c, hydrolyzing and fermenting the squeezed residue obtained in the step a in the presence of hot air, drying in the presence of hot air, cooling, and bagging to obtain the low-humification stable-state carbon source organic substance product. By fully using a large amount of agriculturally-produced crop straws and large-scale produced livestock/poultry dung, the method can be used for recycling multiple kinds of agricultural organic waste, thereby changing the waste into valuables, and reducing the possible secondary environment pollution.

The invention relates to a special type water-based epoxy floor paint as well as a preparation method and an application thereof. Specifically, the invention discloses a dual water-based epoxy floor paint product containing a first container and a second container, wherein the first container contains a component A which comprises 10-50 parts by weight of a modified water-based epoxy curing agent, 25-70 parts by weight of a pigment filler, 0.01-10 parts by weight of a dispersant, 0.01-5 parts by weight of an organic silicon type defoaming agent and 0.01-5 parts by weight of an optional wetting leveling agent; and the second container contains a component B which comprises 60-150 parts by weight modified water-based epoxy resin. The invention also discloses a preparation method and an application of the dual water-based epoxy floor paint product. The dual water-based epoxy floor paint has the characteristics of being environment-friendly and safe, and being good in storage stability, good in coating property and easy in construction, a paint film after coating is high in hardening speed, and the obtained paint film has excellent weathering resistance and chemical resistance.

An anti-fog anti-haze high-moisture-absorption mask and a production method thereof are provided. The production method comprises: 1) producing a hydrophilic resin steeping liquor; 2) producing a hydrophilic resin modified middle layer material; 3) using polyolefin fiber cloth base as a hydrophobic inner layer material, the hydrophilic resin modified middle layer material as a hydrophilic middle layer material, and small-bore melt-sprayed filter cloth as an anti-haze outer layer material, and selecting materials; 4) sewing the materials via sewing threads to obtain the anti-fog anti-haze high-moisture-absorption mask. The production method of the anti-fog anti-haze high-moisture-absorption mask has the advantages that the hydrophobic inner layer is in direct contact with the facial skin sothat the face can be kept dry and cool; the hydrophilic middle layer is positioned outside the hydrophobic inner layer and is effective in absorbing moisture in exhaled gas, thereby relieving stuffiness and wetness in mouth and nose and preventing fogging of glasses; the anti-haze outer is in contact with air, and the small-bore melt-sprayed cloth base is effective in decreasing PM2.5 particulatematters in haze air; the production method is simple, and the mask has light weight, helps breathe, and is highly functional and highly comfortable.

The invention relates to a cationic dye deep dyeing copolyester at normal pressure and a method for producing the same, and mainly relates to copolymerization of biologically prepared ethylene glycol, a monomer of dimethyl terephthalate, an alkali salt of isophthalic acid glycol ester-5-sulfonic acid and PEG1000. When the prepared copolyester is co-mixed with the common PET for spinning, the fluidity and the spinnability are both improved; and the deep dyeing of cationic dyes at normal pressure can be adopted, so that the defect that the PET can only be dyed by disperse dyes at high temperature and high pressure is overcome.

The invention discloses a waste alkali solution recovery method, which is mainly applicable to recovery of waste alkali solution generated during dipping and pressing of pulp in viscose fiber production, and is also applicable to recovery of alkali solution generated during papermaking, pulping, dying, spinning and the like in textile industries. Through procedures of two-stage coagulation, two-stage precipitation and filtration, oxidization, adsorption and the like, the waste alkali solution recovery method ensures continuity of production, reduces filtration difficulties, reduces energy consumption, and enables the production to be more stable. After the alkali solution is treated by the method, the content of impurities in the alkali solution is less, and the chromaticity of the alkali solution is low, thereby realizing the aim of recycling waste alkali. According to the method, equipment investment and energy consumption are low, and operation expense is low; and the method has the characteristics of environmental friendliness, safety and high production efficiency, has remarkable benefits, and can reduce the pollution of the waste alkali on environment.

The invention relates to a method for preparing 2-amino-4-acetaminoanisole, and the method belongs to the technical field of hydrogenation reduction reaction of 2-nitro-4-acetaminoanisole. In a reaction system with water as a solvent, under a condition of the presence of an acid binding agent and a catalyst, 2-nitro-4-acetaminoanisole is subjected to catalytic hydrogenation reduction into 2-amino-4-acetaminoanisole, solid-liquid separation is performed to recycle a catalyst, and cooling crystallization is performed to obtain 2-amino-4-acetaminoanisole; compared with a conventional method with an organic solvent as a reaction solvent, the production method is more environmentally friendly and lower in cost under conditions of maintaining the yield and the product purity.

The invention discloses an environment-friendly sound insulating high speed train floor structure, and relates to the field of railway vehicle floors. A free sticking elastic damping material is sprayed on the upper surface of a web plate of a floor aluminum profile; the inner chamber of the floor aluminum profile is filled with a polyurethane sound absorption material; the upper surface of a top plate of the aluminum profile and lower supports are bonded with the sticking elastic damping material; the upper part of the sticking elastic damping material is bonded with a restraint layer aluminium plate; the upper part of the floor aluminum profile is bonded with the lower supports; the lower supports and upper supports are connected through rubber cushions; a cold-proof material is laid between the restraint layer aluminium plate and a sound insulation cushion; the sound insulation cushion and an aluminium plate form an entirety, and then the entirety is bonded with the elastic supports; the upper part of the aluminium plate is bonded with foaming aluminium; the upper part of the foaming aluminium is bonded with the aluminium plate. According to the invention, through the improvement of the structure of the floor, the integral rigidity of the system is reduced, and the sound insulation amount is improved, through the simulation of the test result, the thickness of the plate is specified, the vibration damping noise reducing performance can be optimized, and meanwhile the development requirement of light weight of the vehicle body can be met; on the aspect of vehicle body floor material selection, the novel environment-friendly energy-saving material is preferentially selected.

The invention discloses an environment-friendly baking-free brick prepared from sludge and furnace slag. Raw materials include: sludge, domestic incinerator slag, cement, a curing agent and water in amass ratio of (35-40): (10-15): (40-50): (5-10). The preparation method comprises the following steps: carrying out pyrohydrolysis and thermophilic anaerobic digestion treatment on raw sludge, and dehydrating to obtain dehydrated sludge; adding a deodorant into the dehydrated sludge, naturally deodorizing and airing, then crushing, sieving with a 100-mesh sieve to obtain sludge powder, and sieving the domestic incinerator slag with a 50-mesh sieve to obtain slag particles; and mixing the sludge powder and the slag particles with Portland cement, a curing agent and water, putting the obtainedmixture into a mold, performing extrusion and compression molding, and performing maintenance in air so as to obtain the environment-friendly baking-free brick. Waste sludge and furnace slag can be used as raw materials to prepare the environment-friendly baking-free brick which is stable in property, free of pollution and capable of meeting the strength requirement.

The invention relates to high-performance water-based heavy anti-corrosion paint and a preparation method thereof, and belongs to the technical field of water-based anti-corrosion paint. The water-based heavy anti-corrosion paint comprises water-based epoxy zinc rich primer, water-based epoxy graphene-modified intermediate paint and water-based polyurethane finishing paint, wherein an intermediatecoating uses the water-based epoxy graphene-modified intermediate paint; properties, such as an extra-large specific surface area, good barrier property, high chemical stability and good electrical conductivity, of graphene are utilized, so the overall performance of the anti-corrosion compound coating is greatly improved, for example, an adhesive force of the coating to a base material is reinforced, the abrasive resistance and the anti-corrosion property of the paint are improved, and the coating has the characteristics of environmental protection and safety, and no secondary pollution andthe like. Three types of the paint are compounded for using, a thickness of a paint film can be greatly reduced under the precondition without affecting the anti-corrosion property, and the requirements of lightweight coating are satisfied. The preparation method of the water-based heavy anti-corrosion paint is simple, and suitable for industrial production, and raw materials are easily obtained.

An attenuated live vaccine of eel vibrio for preventing the sensitive fish from being infected by wild vibrio and its preparing process are disclosed.

The invention discloses a living microbial immobilization microsphere and a preparation method and application thereof. The method comprises the steps of microbial immobilization of a carrier, bacterial liquid suspension colonization, microbial active particles, proliferation and reculture and the like. The microsphere is spherical, has pores in the microsphere, has the diameter of 3.0-4.0 mm andthe specific gravity of 1.10-1.20 g/cm<3>, is alkalescent, and has good sedimentation performance and mechanical strength. The microsphere not only can play the chemical adsorption effect of the carrier on cadmium, but also can improve the growth and propagation environment of active microbes, thereby improving the extracellular adsorption and intracellular accumulation effect of active bacteria on cadmium. The maximum adsorption-accumulation amount in the range below initial Cd2 + concentration 250 mg/L can reach 158.77 mg/g. The living microbial immobilization microsphere has the advantagesof adopting cheap and easily available raw materials and being strong in process operability, environmentally friendly, easy to recover remarkable in treatment effect and the like, and has wide application prospect in the biological treatment process of heavy metal polluted water bodies.

In a method for sealing an insulating material for construction applications, the insulating material is sealed with a material sheet including an ionomer so as to provide a vapor retarder for the insulating material.