191results about How to "Harmless to health" patented technology

The invention provides a reactive dye ecological dyeing method of silk fabrics, which comprises the following steps of: (1) even dyeing: using reactive dye and decamethyl cyclopenta siloxane (D5) according to the mass ratio of 1:10 to 50 to prepare a reactive dye/D5 suspending dispersed liquid; padding the silk fabrics in 30 to 90 g/l of sodium bicarbonate solution; and dyeing the silk fabrics in the reactive dye/D5 suspending dispersed liquid with the rolling liquid rate of 160 to 200% at room temperature for 25 to 35 minutes, wherein the rolling liquid rate is used for ensuring even dyeing of the silk fabrics; and (2) color fixing: heating a mixture system obtained from the step (1) to 40 to 50 DEG C, and keeping the temperature for 20 to 30 minutes; then heating to 70 to 90 DEG C, and keeping the temperature for 20 to 30 minutes; and taking the silk fabrics out, and performing soap boiling. In the process of dyeing provided by the invention, an electrolyte is not added for dyeing acceleration, the dyeing rate of the dye is close to 100%, the fixing rate is higher than that of traditional bath dyeing, and the fastness of the fabrics is good after dyeing. Because the electrolyte is not needed for dyeing acceleration, the burden of treating dyeing waste water is effectively reduced, and the ecological environment is protected.

The invention discloses a total synthesis metal cutting solution comprising the following components by weight percent: 0.5-1% of pH regulator, 10-20% of antirust agent, 10-15% of mixed hydramine, 5-8% of lubricating agent, 0.1-0.3% of copper alloy corrosion inhibitor, 1-2% of sterilizing agent, 0.1-0.2% of defoaming agent, 0-0.5% of EDTA-4 sodium and the balance of water. The invention provides a preparation method of the total synthesis metal cutting solution. The total synthesis metal cutting solution is good in lubricating performance, and the use effect is superior to that of emulsification solution. By utilizing the total synthesis metal cutting solution, surface smoothness of a workpiece can be improved, a grinding wheel can not be sticked, and abrasion of the grinding wheel is reduced. The total synthesis metal cutting solution has a good sedimentation effect and is less in bubbles, long in service life and excellent in anti-rust property, cooling property, permeability and cleanability. By utilizing the total synthesis metal cutting solution, the service life of the grinding wheel can be effectively prolonged. The total synthesis metal cutting solution is suitable for materials, such as bearing steel, carbon steel and the like, the solution is colorless and transparent, and surface processing conditions are easy to observe. Meanwhile, the total synthesis metal cutting solution does not contain toxic and harmful substances, such as sodium nitrite, phenols and the like and is harmless to environment and operator health.

The invention relates to a determination method of aroma components in an electronic cigarette aerosol, and belongs to the technical field of assay determination. According to the method, a Cambridge filter is used for collecting grain phase compositions in the electronic cigarette aerosol, absorption bottles collect gas phase compositions in the electronic cigarette aerosol in cold trap conditions, then ultrasonic extraction is carried out by using dichloromethane, and deionized water is combined to carry out liquid-liquid back-extraction, the interference of large amounts of alcohol in the aerosol is eliminated, finally, the gas chromatography mass spectrometry is combined to perform qualitative and quantitative analysis. With the adoption of the determination method of the aroma components in the electronic cigarette aerosol disclosed by the invention, loss or decomposition of volatile aroma components in the electronic cigarette aerosol can be effectively avoided, multiple volatile aroma components can be simultaneously analyzed, the repeatability is better, the sensitivity is high and the operation is simple, and the interference of matrix components and solvents can be avoided, so that the determination method of the aroma components in the electronic cigarette aerosol has certain advantages in detection of the volatile aroma components in the electronic cigarette aerosol.

The invention discloses a preparation method and application of high-solid-content water-based polyurethane resin and coating thereof. The preparation method comprises the following steps: reacting poly (propylene carbonate) polyols or a mixture of poly (propylene carbonate) polyols and other conventional polypolyols with isocyanate, a chain extender, a crosslinking agent, a catalyst and a sulfonic acid type hydrophilic chain extender, adding water to perform emulsification, and removing a solvent to obtain the high-solid-content water-based polyurethane resin; adding aids such as a leveling agent, a thickening agent, color paste, an environment-friendly cosolvent and a defoaming agent to obtain high-solid-content water-based polyurethane resin coating prepared from the poly(propylene carbonate)polyols. Film-forming and drying speed is high, plumpness is high, and high adhesive force, hardness, water resistance and solvent resistance are achieved.

The invention relates to the field of the communication equipment electrified cleaning agent, in particular to an antistatic environment-friendly communication equipment electrified cleaning agent. The electrified cleaning agent is prepared by mixing the following components by weight: 50-65 parts of dipropylene glycol, 10-20 parts of hexamethylsiloxane or prestoxmethylsiloxane, 2-10 parts of methylsilicone oil, 10-20 parts of SMD-40 solvent oil and 0.01-1 part of an antistatic agent. The communication equipment electrified cleaning agent disclosed by the invention takes the dipropylene glycol as main raw material, other chemical reagents with strong cleaning capability are reasonably cooperated with the main raw material, so that the antistatic environment-friendly communication equipment electrified cleaning agent has good cleaning effect on pollutants on the surface of communication equipment, has the advantages of strong compatibility, no corrosion on materials, such as plastics, paints, metals and the like, high network voltage and volume resistivity, and the function of the communication equipment is free from influence. The antistatic agent used in the antistatic environmental-friendly communication equipment electrified cleaning agent is characterized in that one layer of antistatic membrane is formed on the surface of cleaned equipment to effectively enhance the anti-fouling capability of the equipment. The antistatic environment-friendly communication equipment electrified cleaning agent does not contain substance capable of damaging the ozone layer, is free from halogen and does not have bad influence on the environment.

The invention relates to a method for measuring volatile fragrance components of an electronic cigarette. The method comprises the steps of adding electronic cigarette liquid into a headspace sample injection bottle, adding a solvent into the headspace sample injection bottle for uniform mixing, and sealing a bottleneck of the headspace sample injection bottle through a bottle cover; performing aging treatment on a solid-phase microextraction needle fiber head at a gas chromatography sample injection opening; performing headspace solid-phase microextratcion on the electronic cigarette liquid; performing desorption on substances obtained by extraction at the gas chromatography sample injection opening; qualitatively and quantitatively analyzing the desorbed substances through a gas chromatography-mass spectrometer. According to the method, the loss or the decomposition of the volatile fragrance components of the electronic cigarette can be effectively avoided; multiple volatile fragrance components can be simultaneously analyzed; the method is high in repetitiveness, high in sensitivity and easy to operate; the interference caused by base body components and the solvent can be avoided; the method has a certain advantage in detecting the volatile fragrance components.

The invention discloses a body-heat-excited polylactic-acid-base biodegradable shape memory material, and a preparation method and application thereof. The material is composed of the main components polylactic acid and thermoplastic elastomer in a mass ratio of (70-90):(30-10), and also composed of 10-40 phr of plasticizer. The preparation method comprises the following steps: mechanically mixing the main components into a premix, adding into an extruder, and carrying out melt blending to obtain the shape memory material. The shape memory material is used for manufacturing fixers for medical treatment. The shape recovery temperature of the polylactic-acid-base biodegradable shape memory material can be adjusted to near body temperature, thereby implementing the body-heat-excited effect. The shape memory material can be better applied to biological medical materials to greatly enhance the market competitiveness of the product.

The invention discloses a fructo-oligosaccharide enzyme-containing detergent. The fructo-oligosaccharide enzyme-containing detergent comprises at least one conventional enzyme-containing detergent composition and fructo-oligosaccharide, wherein the mass ratio of the fructo-oligosaccharide to the conventional enzyme-containing detergent composition is less than 300:1,000. The fructo-oligosaccharide enzyme-containing detergent improves decontamination capacity, and also has the advantages of skin health protection, environment friendliness and the like.

This invention discloses a method for preparing a detergent for cleaning airport runways. The detergent is composed of: orange oil 70-80 parts, sodium dodecyl benzenesulfonate 10-15 parts, potassium pyrophosphate 12-20 parts, triethanolamine 1-3 parts and deionized water 100 parts. The detergent uses orange oil with 80% or more limonene as the major component, which is added with multiple surfactants. The detergent has a low surface tension, thus can effectively remove oil stains on airport runways without any corrosion. Since orange oil is a natural extract from orange peels, it has no harm to the environment or human health. Besides, the detergent is not combustive or explosive, thus is safe for usage. Since the volatilization rate of the detergent is low, it can be recovered after cleaning, and recycled after distillation, thus lowering the cost. The method for preparing the detergent is simple.

The invention relates to a waterless dyeing method of a disperse dyestuff for a textile and discloses a dyeing method of a disperse dyestuff with special methylsiloxane as a medium. The method comprises the following steps: (1) refining a terylene fabric; (2) adding a pure disperse dyestuff into a dyeing medium according to dyeing requirements, controlling the usage amount of the dyeing medium to allow a ratio (a bath ratio) of the weight of a to-be-dyed fabric to the total amount of the medium to be 1:5-20, carrying out insulation at a temperature of 60 DEG C for 20 min under stirring, adding the to-be-dyed fabric and a certain amount of water and carrying out dyeing in a dyeing machine; and (3) removing the unfixed dye on the surface of the fabric after dyeing: a step of drying the dyed fabric and carrying out reduction and cleaning according to a method prescribed in GB2394-80. According to the invention, the pure disperse dyestuff is used for dyeing of terylene; a good dyeing effect is obtained, cost is saved, and dyeing procedures and discharge of waste water are reduced.

The present invention relates to the field of electrified cleaning agents, and specifically to an environment-friendly multi-function electrical equipment electrified cleaning agent. The electrified cleaning agent is prepared by mixing the following components, by weight, 60-85 parts of AK-225, 10-25 parts of siloxane, 3-10 parts of petroleum ether, and 5-20 parts of SMD-100 solvent oil. According to the present invention, the AK-225 is adopted as the main raw material, and is combined with other chemical reagents with strong cleaning abilities, and reasonable combination is adopted, such that a good cleaning effect on surface pollutants of the electrical equipment is provided, the compatibility is strong, corrosion on plastics, paint, metal, ceramics and other materials is not generated, and it is ensured that the function of the equipment is not affected; the electrified cleaning agent has characteristics of high breakdown voltage, high volume resistivity and safe use, can clean the electrical equipment under the charged condition without affecting of the normal operation of the electrical equipment, and provides absolute safety for operators. The electrified cleaning agent of the present invention does not contain ozone destruction substances, and is environment-friendly, and harmless to human health.

The invention provides an easily degradable environment-friendly paper plastic bag and a preparation method thereof, and relates to the technical field of high polymer materials. The easily degradableenvironment-friendly paper plastic bag comprises a surface layer and a bottom layer, wherein the surface layer is a paper layer, and the bottom layer is a plastic layer, the plastic layer is composedof the following raw materials in parts by weight: polyethylene, biodegradable plastic, cellulose acetate, tributyl citrate, agar, glycerol, lactose, a stabilizer and a lubricant. The easily degradable environment-friendly paper plastic bag provided by the invention has excellent toughness, temperature resistance and acid and alkali resistance, and can be rapidly degraded in a natural environmentafter being scrapped, has no pollution to the environment and is harmless to human health.

Provided is a preparation method for an oxidized graphene-metal organic framework nano composite material. Dopamine hydrochloride, oxidized graphene and a Tris buffer solution are employed to prepare GO@PDA, and then GO@PDA, 1,3,5-trimesic acid, copper acetate monohydrate, N,N-dimethyl formamide, ethanol, deionized water and triethylamine are employed to prepare GO@PDA@MOF-199. The operation is simple, the cost is low, the particle diameters of the prepared GO@PDA@MOF-199 nano composite material are in a nano level, particles are uniform, the dispersibility is good, and the adsorption capability is strong. No environmental pollution can be caused during preparation, and the preparation method is harmless to health of operation personnel.

The invention discloses a traditional Chinese medicine combination for indoor air disinfection of hospital outpatient clinics and belongs to the technical field of traditional Chinese medicine. The combination is prepared from, by weight, folium artemisiae argyi, rhizoma atractylodis, folium isatidis, myrobalan, fructus forsythia, schizonepeta, clove, radix angelicae, rhizoma acori graminei, isatis roots, coptis chinensis and cyrtomium fortune; the raw materials are mixed for being prepared into preparations or smashed into particles. When the traditional Chinese medicine combination is used, the preparations are heated and evaporated or sprayed into a room, or the combination is ignited in the room, and disinfection is conducted through a fumigation method. The traditional Chinese medicine combination is a pure traditional Chinese medicine composition, no harm is caused to the health of a human body, the traditional Chinese medicine combination is convenient to use, safe, reliable and good in disinfection effect, influences and discomfort cannot be brought to patients, and the traditional Chinese medicine combination is mainly used for indoor air disinfection of hospital outpatient clinics and can be further used for indoor air disinfection of general wards and households.

The invention provides a shoe and sock deodorizing composition with sugarcane extract. The shoe and sock deodorizing composition comprises a deodorizing agent and an antibacterial agent. The deodorizing agent comprises, by weight, 0.5-10% of the sugarcane extract and 0.5-3% of sorbitan monooleate. The antibacterial agent comprises, by weight, 0.5-3% of chamomilla recutita flower extract, 0.5-3% ofnotoginseng root extract and 0.08-0.2% of benzalkonium chloride. The shoe and sock deodorizing composition can eliminate repugnant fatty acid substances, a deodorizing rate for shoes and socks can reach to 92%, interiors of the shoes can be kept fresh persistently, and a wearer can feel relieved to take off the shoes. Natural plant extracts and the antibacterial agent are combined to work together to exterminate stinky microflorae on feet, the microflorae on the feet can be prevented and inhibited from metabolizing to generate stinky smell, and sanitation of the shoes and the socks are kept.The shoe and sock deodorizing composition is in a neutral to alkalescent environment and can be directly sprayed on the feet, the shoes and the socks, normal sweeting function of the feet cannot be influenced, no harm is caused to human bodies, materials and qualities of the shoes and the socks cannot be influenced, and accordingly the shoe and sock deodorizing composition is good in environmentalprotection and safety.

The invention relates to a hot melt adhesive used for automotive interior trims. The hot melt adhesive is characterized in that raw materials of the hot melt adhesive comprise the following components, in percentages by weight, 0-10% of high melting-point wax with a melting point of 130+/-5 DEG C; 20-28% of thermoplastic elastomer SIS; 1-5% of vinyl chloride-vinyl acetate-maleic anhydride copolymer resin; 1-5% of maleic anhydride grafted and modified polyolefin wax; 2-8% of pure monomer resin; 5-15% of C9 hydrogenation petroleum resin; 20-30 % of styrene modified terpene resin; 0.5-5% of a trihydroxyl zinc salt; 0.5-1.5% of an antioxidant; and 0-3% of a coupling agent. The VA(vinyl acetate) content of the vinyl chloride-vinyl acetate-maleic anhydride copolymer resin is 28%, and the melt index of the vinyl chloride-vinyl acetate-maleic anhydride copolymer resin at a temperature of 190 DEG C is 150 g/10 min; the mass of styrene in the thermoplastic elastomer SIS is 25-35% of that of the thermoplastic elastomer SIS, and the melt index of the thermoplastic elastomer SIS at a temperature of 190 DEG C is 5-15 g/10 min; the softening point of the C9 hydrogenation petroleum resin is 95 DEG C or greater, and the acid value is less than 5 mg KOH/g, and the softening point of the styrene modified terpene resin is 105 DEG C or greater, and the acid value is less than 5 mg KOH/g.

The invention relates to a cylinder container used in hair machine, a relative vibration type hair machine and a relative method for using the hair machine to mechanical hair. The inventive vibration type hair machine comprises a support, a swing rod, a vibration source and a syringe container, wherein one end of the swing rod is hinged or fixed with one end of the support, while another end is mounted with a syringe container, and another end of the support is mounted with a vibration source for swinging the swing rod up and down, the syringe container can be directly connected on the vibration source, the syringe container is formed by an outer cylinder and a needle plate, the needle plate is formed by a bottom plate and a plurality of needles distantly arranged on the bottom plate, the needles are sheathed in the chamber of outer cylinder. And the mechanical hair method comprises that initially finishing hair, mechanically hair, finishing hair and checking, while it can realize mechanical operation, improve 95% of flatness at the end of the hair, with high efficiency, reduced labor strength and improved economic benefit.

The invention provides cooling fluid for linear cutting. The cooling fluid comprises lubricant, rust inhibiting additive, non-ionic emulsifier, and the like; the weight percentage of each composition is as follows: 10 to 15 percent of lubricant, 5 to 10 percent of rust inhibiting additive, 5 to 10 percent of non-ionic emulsifier, and the rest is deionized water; the mixed solution is weak alkaline, suitable for the cutting and processing of various intraocular lens, earthenware and metal sample work piece, and has excellent lubrication and cooling property and antirust and antibiosis property, small electric conductivity and good washing property, the breakage is uneasy to occur when the cooling fluid is used for the linear cutting, the normal operation of the processing can be effectively guaranteed, and the cutting surface is glossy and flat. The cooling fluid is nontoxic, pollution free and nonflammable; the operation is safe; the lubrication cooling property is excellent; the processed component part is easy to be washed, and the cost is low.

The invention belongs to the field of coating, and particularly relates to a water-borne epoxy primer. Calixarene molecules are grafted to nano zinc powder through isocyanate, modified zinc powder is entwisted to a certain degree through grafted calixarene and the epoxy resin molecule structure in the stirring process, the dispersing stability of the zinc powder in the primer material is promoted, and the problems of agglomeration and sedimentation of the zinc powder in resin are solved. The water-borne epoxy primer is free of pollution to the environment, convenient to construct and harmless to the health of constructors. The drying speed of a primer film is high, the adhesive force is good, the mechanical strength is high, and the antiseptic property is excellent.