Patents
Literature
Hiro is an intelligent assistant for R&D personnel, combined with Patent DNA, to facilitate innovative research.
Hiro

31results about How to "The production process is practical" patented technology

Permanent antistatic flame-retardant polyamide-6 bulked continuous filament textured carpet yarn and preparation method

The invention relates to a permanent antistatic flame-retardant polyamide-6 bulked continuous filament textured carpet yarn and a preparation method. The permanent antistatic flame-retardant polyamide-6 bulked continuous filament textured carpet yarn comprises a carpet yarn body, wherein the carpet yarn body consists of two tows of flame-retardant polyamide-6 bulked continuous filaments in different colors or the same color and a tow of antistatic polyamide-6 bulked continuous filaments; single fibers in the three tows of polyamide-6 bulked continuous filaments are random three-dimensional crimped fibers; different types of fibers are randomly mixed and intertwined; and periodical net knots are arranged on the surface of the carpet yarn body. The preparation method is implemented by one step through a tri-screw bulked continuous filament (BCF) spinning machine set. The product substantially maintains the characteristics of abrasion resistance, stain resistance, resilience and the like of polyamide-6, and also has a permanent antistatic function and a flame-retardant function. According to the preparation method, the characteristics of a production process of the tri-screw BCF spinning machine set are utilized, so that the aim of spinning the antistatic flame-retardant polyamide-6 textured carpet yarn by one step is fulfilled, and the production process is simple, practical and efficient.
Owner:CHANGZHOU LINGDA SPECIAL FIBER

Preparation method of high-strength regenerated polyamide 66 fibers

The invention discloses a preparation method of high-strength regenerated polyamide 66 fibers. The method comprises the following steps of by taking polyamide 66 waste silk as a raw material, performing two-stage melting to obtain a polymer mixture; then performing filtering through a filter screen, extruding, cooling, curing and cutting to obtain regenerated polyamide 66 slices; sequentially performing drying, humidifying-tackifying, vibration screening and re-heating melting on the obtained slices to obtain a molten regenerated polyamide 66 polymer; and then performing mixing, filtering by a spinning assembly, spinning by a spinneret plate and cooling, oiling cooled tows, homogenizing tow oil films, performing drafting and setting, and finally performing winding and forming to obtain the high-strength regenerated polyamide 66 fibers. Through the improvement of multiple technical characteristics, the strength of the prepared regenerated polyamide 66 fibers reaches 7.5-9.5 g/d. According to the invention, the batch continuous production of the high-strength regenerated polyamide 66 fibers is realized, the batch performance of the fibers is uniform and stable, and the blank of a production technology of the high-strength regenerated polyamide 66 fibers in China is filled.
Owner:PINGDINGSHAN SHENMA TIRE CORD FABRIC DEV CO LTD

Highly-hydrophilic colored contact lens material preparation method

The present invention discloses a highly-hydrophilic colored contact lens material preparation method, and relates to the technical field of spectacle production, wherein the highly-hydrophilic colored contact lens material preparation method comprises four processes such as raw material mixing, mold molding, curing synthesis and soaking. According to the process method, the addition amount of the transparent blue material is strictly controlled so as to significantly improve the light transmittance of the lens material, wherein the average light transmittance is at least more than or equal to 90%; benzoin ethyl ether is adopted as the initiator of the reaction of N-vinyl pyrrolidone and hydroxyethyl B-methacrylate so as to substantially improve the reaction rate, provide the high production efficiency and provide conditions for the mass-production under the factory condition; during the curing synthesis operation process, the irradiation time interval and the standing time of the ultraviolet ray lamp are strictly controlled, such that the reaction of the monomer is complete and efficient, and the prepared lens material has characteristics of good quality, high moisture content and high tensile strength; and the production process has characteristics of simple operation, practicality, easy mastering, and being worthy of promotion .
Owner:陈下放

Electrochemical tongs for developing protein molecule electronic device and method for producing the same

The invention relates to a pair of electrochemical pliers used for developing a protein molecule electronic device and a fabricating method thereof. The fabricating method is characterized in that the surface of an insulating basal material is uniformly coated with an inner layer and an outer layer of annular conductors of nanometer-level thickness, and a nanometer isolating layer of adjustable thickness is used for isolation. The annular conductors of the inner layer and the outer layer are respectively supplied with proper voltage, and electrostatic attracting force is used for clamping protein molecules causing the protein molecules to be arranged in parallel in a fixed direction; an outer circuit is used for supplying an activating signal to the protein molecules clamped by the electrochemical pliers; the relationship between an input signal and an output signal is analyzed to obtain the inner electronic transferring system of the protein molecules and develop the electronic device of the protein molecules. The electrochemical pliers provided by the invention has light action force, the shape and the quality of the protein can not easily change, touched molecule number is high, the signal is strong, the surface regeneration is easy, the used instrument is simple, the information is on-site, and the scanning speed is high. The fabricating method can be used for developing the electronic device of the protein molecules, particularly the electronic device of the protein molecules with high-speed response ability.
Owner:NINGBO UNIV

Method for preparing mulberry leaf beverage by virtue of enzymatic transformation of flavonoids from mulberry leaves

The invention relates to a method for preparing a mulberry leaf beverage by virtue of enzymatic transformation of flavonoids from mulberry leaves, and the method comprises the following steps: extracting a mulberry leaf leaching solution and performing enzymatic transformation: mixing the fresh mulberry leaves (kg) with purified water (L) in a weight-to-volume ratio of (1:5)-(1:50), then leachingat the temperature of 60-100 DEG C for 1-12 hours so as to get the mulberry leaf leaching solution, mixing the mulberry leaf leaching solution with glycosidase for performing enzymatic hydrolysis reaction at the reaction temperature of 20-70 DEG C for 10-72 hours and further getting enzymatic hydrolysate of the mulberry leaf leaching solution after the reaction is completed, wherein the basic composition and the formula of the mulberry leaf drink are as follows: in 100kg of the product, the product contains 10kg-15kg of the enzymatic hydrolysate of the mulberry leaf leaching solution, 4kg-7kgof sucrose, 0.10kg-0.50kg of citric acid, 0.125kg of vitamin C, 0.01kg of essence, 0.5kg-1.5kg of honey and the balance of the purified water. The mulberry leaf beverage has the advantages of high degradation rate of flavonoid glycosides from the mulberry leaves, fresh fragrance, clarity, transparency, bright color, sweet, acid, moist and cool taste, mellow and long aftertaste and excellent mouthfeel.
Owner:海安县鑫缘制丝有限责任公司

Test method and system for researching DNA molecule conductivity

InactiveCN101464424AStudy electrical conductivityReal-time monitoring of transfer processMaterial impedanceSignal generatorElectron transfer
The invention provides a test method and a system for researching the electric conductivity of a DNA molecule. The system is formed by the combination of a signal generator, a digital oscillograph, an ultramicro integrated double-ring carbon electrode, a micro-current amplifier and a computer; the ultramicro integrated double-ring carbon electrode produces an electrostatic field to induce the polarization of the DNA module along the vector direction of field intensity and form an electropositive end and an electronegative end which are arranged in parallel between an inner ring electrode and an outer ring electrode; after an input signal is sent into the ultramicro integrated double-ring carbon electrode, an output signal is obtained; the output signal is input into the computer after being amplified by the micro-current amplifier, collected by the digital oscillograph, and converted by an A/D; and the electric conductivity of the DNA module can be researched by analyzing the relationship between the input signal and the output signal. The system and the method have the following advantages: the acting force is too small to damage the DNA module; the overall electric conductivity can be acquired; the electron transition process can be monitored in a real-time manner; the behavior of rapid electron transfer can be traced; the quality of the contact point can be prevented from being affected; the surface is easy to renew; and the instruments are simple.
Owner:NINGBO UNIV

Oxytetracycline tablet production technology

The invention discloses an oxytetracycline tablet production technology. A traditional oxytetracycline production method is wholly improved, bacterial strains are optimized and improved, spore is putunder a deuterium lamp to be irradiated under 250 to 300nm ultraviolet rays for 30 to 60s to be modified, and the modified bacterial strains are fermented to obtain oxytetracycline fermentation liquorwith a titer as 38000mu / mL; compared with traditional 6 to 8-day fermentation, not only is fermentation time greatly shortened, but also the titer of the oxytetracycline fermentation liquor is about13% higher than that of traditional fermentation, and a production efficiency is improved; most organic impurities in the obtained oxytetracycline fermentation liquor is removed by ultrafiltration, inorganic impurities are removed by nanofiltration, a crystallization speed is strictly controlled in a lateral crystallization process, and impurities which are difficult to be separated from oxytetracycline are removed; when the quality of a frozen and dried oxytetracycline pure product is detected by using a spectrophotometer, a purity of the obtained oxytetracycline pure product can be as high as 99.5%. The production technology has the advantages of strong practicability and application to industrial mass production.
Owner:ANHUI YONSENT PHARMA

A function-enhanced granular composite soil conditioner

The invention discloses a function enhanced granular composite soil conditioner. A product is prepared by taking magnesium oxide and ardealite as main raw materials, adding medium elements such as magnesium, sulfur and calcium which are necessary to growth of crops, trace elements such as zinc, boron, manganese and molybdenum and organic matter nutritional components such as amino acid and humic acid, uniformly mixing all the raw materials, and carrying out granulation and drying. According to the function enhanced granular composite soil conditioner, the utilization rate of ardealite is effectively increased, and the economical benefit is outstanding. Magnesia is used for neutralizing the acidity of the ardealite, so as to eliminate the use limitation and the harm of the acidity to the crops and the soil, the granulation performance of the ardealite is obviously improved, and the granulation balling rate and the compressive strength of particles are improved. Furthermore, magnesium which serves as an important medium element is also provided, so that four effects are achieved through one operation. The final product has the effects that nutrients are complete and loosening and conditioning of the soil are realized, and is further favorable for breeding of organisms like earthworms and microorganisms; the function enhanced granular composite soil conditioner can be directly applied, and is convenient, flexible, clean and environment-friendly; the production process is simple and convenient, low in cost, and favorable for large-scale production and mechanical large-area application.
Owner:YUNNAN THREE CIRCLES SINOCHEM FERTILIZERS CO LTD

Electrochemical tongs for developing protein molecule electronic device and method for producing the same

The invention relates to a pair of electrochemical pliers used for developing a protein molecule electronic device and a fabricating method thereof. The fabricating method is characterized in that the surface of an insulating basal material is uniformly coated with an inner layer and an outer layer of annular conductors of nanometer-level thickness, and a nanometer isolating layer of adjustable thickness is used for isolation. The annular conductors of the inner layer and the outer layer are respectively supplied with proper voltage, and electrostatic attracting force is used for clamping protein molecules causing the protein molecules to be arranged in parallel in a fixed direction; an outer circuit is used for supplying an activating signal to the protein molecules clamped by the electrochemical pliers; the relationship between an input signal and an output signal is analyzed to obtain the inner electronic transferring system of the protein molecules and develop the electronic device of the protein molecules. The electrochemical pliers provided by the invention has light action force, the shape and the quality of the protein can not easily change, touched molecule number is high, the signal is strong, the surface regeneration is easy, the used instrument is simple, the information is on-site, and the scanning speed is high. The fabricating method can be used for developing the electronic device of the protein molecules, particularly the electronic device of the protein molecules with high-speed response ability.
Owner:NINGBO UNIV

Permanent antistatic flame-retardant polyamide-6 bulked continuous filament textured carpet yarn and preparation method

The invention relates to a permanent antistatic flame-retardant polyamide-6 bulked continuous filament textured carpet yarn and a preparation method. The permanent antistatic flame-retardant polyamide-6 bulked continuous filament textured carpet yarn comprises a carpet yarn body, wherein the carpet yarn body consists of two tows of flame-retardant polyamide-6 bulked continuous filaments in different colors or the same color and a tow of antistatic polyamide-6 bulked continuous filaments; single fibers in the three tows of polyamide-6 bulked continuous filaments are random three-dimensional crimped fibers; different types of fibers are randomly mixed and intertwined; and periodical net knots are arranged on the surface of the carpet yarn body. The preparation method is implemented by one step through a tri-screw bulked continuous filament (BCF) spinning machine set. The product substantially maintains the characteristics of abrasion resistance, stain resistance, resilience and the like of polyamide-6, and also has a permanent antistatic function and a flame-retardant function. According to the preparation method, the characteristics of a production process of the tri-screw BCF spinning machine set are utilized, so that the aim of spinning the antistatic flame-retardant polyamide-6 textured carpet yarn by one step is fulfilled, and the production process is simple, practical and efficient.
Owner:CHANGZHOU LINGDA SPECIAL FIBER
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Try Eureka
PatSnap group products