684results about How to "Meet the requirements of industrial production" patented technology

The invention discloses a PP/PA composite material used for a corrugated pipe, which is prepared by processing polypropylene, nylon, compatilizer, toughening agent, filling master batch, light stabilizer, heat stabilizer and processing aid. The PP/PA composite material is prepared by feeding the components into mixing equipment according to a proportion, and melting, mixing, scattering, extruding and granulating the components at the temperature of between 210 and 280 DEG C. The PP/PA composite material not only has higher toughness, excellent high impact resistance and bending property and extremely good high temperature resistance, but also are excellent in the aspects of surface gloss, abrasion resistance, chemical corrosion resistance, electric insulation and the like, and solves the defect problems of insufficient heat resistance of the conventional PP corrugated pipe, over-high price of the PA corrugated pipe; and in addition, a preparation method for the PP/PA composite material is simple and meets the requirement of industrialized production.

The invention discloses a gear thermal precision forging machining process adopting carburizing steel 20CrMnTi as a material. The process especially comprises the following steps of: upsetting prolonging, blank manufacturing, die forging, burring, forging aftert-reatment (including quenching, tempering thermal treatment; accomplishing the gear thermal treatment through nitriding, surface quenching and normalizing; and finally carrying out sand blasting to remove a scale cinder and the surface acid treatment), and tooth profile cold-finish. By utilizing the process, the fogging process is simplified, the procedures are reduced; the processed product is good in quality; the production in scale can be realized so as to achieve the purposes of good quality, material conservation, energy conservation and time saving; and meanwhile the service life of a mold can be improved greatly, so that the wear resistance of the manufactured gear is enhanced greatly; the gear point-corrosion spalling is overcome; the strength is improved greatly; the service life is prolonged; and the cost is reduced.

The invention discloses a high wear-resistant and cold-resistant toughened nylon composite material, which comprises the following components in percentage by weight: 69.5 to 95 percent of nylon resin, 2 to 9 percent of toughening agent, 0.5 to 20 percent of wear-resisting agent and 1 to 2 percent of processing aid, wherein the toughening agent is maleic anhydride grafted polymer, and the wear-resisting agent is molybdenum disulfide or polytetrafluoroethylene micropowder. The product has higher wear resistance and better mechanical properties and low-temperature resistance, can be used for preparing relatively moving parts such as wearing plates and centre plates in the industries such as railway locomotives and automobiles, and can greatly improve the working stability of the parts and prolong the service life of the parts; in addition, the preparation process for the product is simple and low in cost and meets the requirement of industrial production; therefore, the high wear-resistant and cold-resistant toughened nylon composite material has wide market application prospect.

The invention provides a modified nylon material and its preparation method. The modified nylon material is prepared from the following raw materials expressed in weight percentage: 42 to 89.2 wt% of a nylon resin, 10 to 50 wt% of glass fibers, 0.1 to 2 wt% of an antioxidant, 0.1 to 2 wt% of a lubricant, 0.1 to 2 wt% of maleic anhydride copolymer and 0.5 to 2 wt% of black masterbatch. The preparation method for the modified nylon material comprises the following steps: uniformly mixing all the above-mentioned components except the glass fibers in proportion, placing an obtained mixture into a twin-screw extruder through a main feed inlet of the twin-screw extruder, then putting the glass fibers into the extruder through a side feed inlet of the twin-screw extruder and carrying out granulation after extrusion by using the twin-screw extruder. The modified nylon material can be used in production of components and parts for automobile engines.

A method and equipment for quickly preparing an anodized film on an aluminum alloy product, characterized in that: the aluminum alloy product is suspended on the upper part of the casing, the aluminum alloy product is used as the anode, and 15-30% sulfuric acid is used as the electrolyte, The electrolyte is sprayed from multiple nozzles on the pipelines on both sides of the anode, and is continuously sprayed onto the anode after passing through the auxiliary cathode to form an anodized film; the voltage between the anode and the auxiliary cathode is 20-30V, and the anode The upper current density is 3-5A/dm2, and the electrolyte temperature is 20-30°C. Compared with the prior art, the present invention has the following outstanding advantages: 1) the anodic oxide film forming speed is 1.0-2.2 μm per minute; 2) the anodic oxide film thickness is 1-4 μm, and its corrosion resistance is better than that of chemical oxide film; 3) The anodic oxidation current density is 3-5A/dm2, which is increased by 3-5 times, which can meet the production requirements for the rapid formation of anodic oxidation film before coating of aluminum alloy products.

The invention discloses an antibacterial spandex fiber and a preparation method thereof. The antibacterial spandex fiber is prepared by combining a wrapper and a core part, wherein the section of the fiber is solid; the material of the core material is a polyurethane slice for melt spinning; the wrapper comprises the following raw materials in percentage by mass: 0.1-0.2% of a silver ion compound, 0.1-0.5% of an ultraviolet screening agent, 0.1-0.55 of an antioxidant,0.2-1.0% of a lubricant, 0.1-0.5% of a matting agent and 97.3-99.4% of fiber forming aggregate. The preparation method of the antibacterial spandex fiber comprises the following steps: 1 manufacturing an antibacterial spandex core part by a melt spinning technique according to the formula ratio; 2 manufacturing an antibacterial spandex wrapper by a wet-dry spinning technology according to the ratio; and 3 spinning by wet-dry spinning equipment and process through a special spinneret assembly, and thus preparing the antibacterial spandex fiber by a special coagulating bath. The preparation method of the antibacterial spandex fiber is simple in process; the antibacterial agent is low in amount, economical and practical; and the prepared antibacterial spandex fiber is stable and uniform in performance, broad-spectrum antibacterial and lasting in antibacterial effect.

The invention discloses a Chinese medicinal health-care spirit prepared by soaking Chinese medicinal herbs into white spirit. The Chinese medicinal herbs comprise astragalus root, ginseng, American ginseng, prepared rehmannia root, angelica, Sichuan lovage rhizome, wild jujube seeds, fructus cnidii, epimedium, morinda officinalis, cistanche salsa, salvia miltiorrhiza, uncaria, tall gastrodia tuber, apocynum venetum, cassia seeds, kudzuvine root, Chinese wolfberry, haw, licorice, yam, mulberry, chrysanthemum, polygonatum kingianum, longan pulp, angelica dahurica, polygonatum odoratum and the like. The Chinese medicinal health-care spirit is safe and green health-care spirit, has an obvious effect of reducing blood sugar, blood pressure and blood fat, avoids relapse after healing, has an obvious prevention and treatment effect on three-high symptoms such as headache, fullness in head, dizziness, palpitation and diabetes as well as hand and foot pains, weakness, numbness and the like, and can be used for effectively reinforcing the sexuality; and by feeling the mouthfeel of the Chinese medicinal health-care spirit, a patient can monitor self and control own disease, and the best health state of the patient can be kept, so that the disease is extremely convenient to master.

The invention discloses an astaxanthin-producing strain, a mutagenesis and screening method and application thereof, and relates to a microbiological strain and an obtaining method thereof. The astaxanthin-producing strain is a mutagenic strain N1806-04 of phaffia rhodozyma. The method comprises the following steps of: preparing phaffia rhodozyma protoplast by an enzyme method by taking the phaffia rhodozyma as an original strain; and selectively breeding the astaxanthin-producing strain by an NTG mutagenesis method, a beta-ionone screening method and the like to obtain the astaxanthin-producing strain, wherein the yield of the astaxanthin is stable after five times of transfer of culture. By performing scale-up culturing on the astaxanthin-producing strain in a fermentation tank, the yield and the content of the astaxanthin can reach 500 to 600mg/L and 5,000 to 6,300mg/kg (dry weight of cell) respectively and the biomass can reach 80 to 110g/L. The yield and the content of the astaxanthin and the corresponding biomass all meet the requirement of industrial production and have a great application prospect.

The invention provides a highly wear-resistant bio-based polyamide composite material and a preparation method thereof. The bio-based polyamide composite material contains polyamide resin and a wear-resisting agent. Production raw materials of the polyamide resin comprise pentanediamine and diacid. A weight ratio of the polyamide resin to the wear-resisting agent is 100: 0.5-25. The preparation method comprises the following steps: at least mixing the polyamide resin and amino polysiloxane at room temperature; and successively carrying out extrusion granulation at 220 to 300 DEG C, cooling and drying so as to obtain the highly wear-resistant bio-based polyamide composite material. The polyamide composite material provided by the invention has good mechanical properties and wear resistance; the wear-resisting agent amino polysiloxane does not influence the color of the polyamide composite material and poses no restriction to application occasions of the polyamide composite material; and the the preparation method provided by the invention has the advantages of easiness, low cost and accordance with production requirements of industrialization.

The invention discloses a bacillus subtilis and a Gamma-polyglutamic acid preparation method that uses the bacillus subtilis strain. The strain is bacillus subtilis XN01 and is preserved in China Center for Type Culture Collection (CCTCC) on March 18th, 2008 with CCTCC NO. of M 208044; the Gamma-polyglutamic acid can be prepared with the strain through the steps of strain cultivation and preservation, seed fluid preparation, shaking fluid fermentation and Gamma-polyglutamic acid extraction. The Gamma-polyglutamic acid preparation method can achieve high synthesis efficiency of Gamma-polyglutamic acid in a low-cost fluid culture medium, is simple and has strong operability.

The invention discloses a vacuum plating method integrating advantages of magnetron sputtering and multiple-arc ion plating, in particular to a micro-arc ion plating method. The method comprises the steps as follows: a high-frequency impulse electric field with negative 1,200 V to negative 900 V output voltage, 0.5 KHz-60 KHz frequency and 0.5 mu s-30 mu s pulse width is firstly established, a high-frequency impulse signal output from the high-frequency impulse electric field is modulated by an adjustable inductance attenuation and a digital logic circuit and loaded to a rectangular cathode target with an area of 300 mm*100 mm and two ends of an anode vacuum chamber casing with a volume of Phi 450 mm *H 400 mm, and argon (Ar) gas charged into a vacuum chamber is subjected to an ion plating process when volt-ampere characteristics of negative 900 V to negative 600 V voltage, 100 A-300 A current, 1 ms-5 ms pulse width and 3%-15% duty ratio are generated during discharge. The method is simple and stable; and by means of the method, the yield is high, and industrial production can be realized.

The invention discloses an application of a Chinese medicinal herb layer feed additive. The Chinese medicinal herb layer feed additive and a layer basal diet are mixed together according to a weight ratio of (1-10):(90-99) to form a layer feed for feeding layers, wherein the additive comprises the following Chinese medicinal herb components: hawthorn, astragalus root, sealwort, Chinese angelica root, herba epimedii, codonopsis pilosula, curcuma aromatic, medicated leaven, folium artemisiae argyi, bark of eucommia, spina date seeds, serissa serissoides, purslane, glossy privet fruits, nettle, mulberry, polygonatum odoratum, phyllanthus emblica, cyrtomium fortune, carthamus tinctorius, cassia seeds, eclipta alba, herba cistanches, broom cypress fruits, geum urbanum, herba aristolochiae, mint, herba dendrobii, pine needle meal and licorice. The additive applied to the layer feed can directly kill and inhibit bacteria and adjust the immune function of an organism, has a non-specific antibacterial effect, does not generate dependence, and can improve the production performance of layers, improve the laying rate and egg quality, and reduce the cholesterol level of eggs.

The invention provides a new method for synthesizing tapentadol hydrochloride and analogue of the tapentadol hydrochloride, and particularly provides a method for synthesizing a compound with the formula shown as a formula (1). Groups of the compound are defined in the specification. The invention also particularly provides a method for synthesizing the tapentadol hydrochloride and the analogue compound of the tapentadol hydrochloride by using 1-(3-substituted phenyl)-1-ketone compound as an initial raw material. According to the method, the raw materials are easy to obtain, and reaction conditions are mild; and the method is easy to control and operate, reduces production cost and is particularly suitable for industrial production.

The invention relates to black pepper flavored skewered pork and a preparation method thereof. The black pepper flavored skewered pork comprises the following raw materials in parts by weight: 80-120 parts of raw pork meat, 0.5-1 part of sweet chilli powder, 0.1-0.3 part of garlic powder, 0.2-0.6 part of maltodextrin, 0-0.4 part of chicken flavor powder, 0.1-1 part of pork paste, 0.3-1 part of cracked black pepper and other seasonings. The preparation method provided by the invention comprises the steps of: firstly, cutting the selected raw pork meat into pork pieces with uniform size; secondly, preparing black pepper flavored curing ingredients according to the weight of the raw pork meat, and conducting operating sequences of kneading the raw pork meat with the black pepper flavored curing ingredients, curing and the like; and finally, skewering, quick-freezing and refrigerating products. According to the black pepper flavored skewered pork and the preparation method provided by theinvention, the black pepper flavored skewered pork is developed, the purpose of guaranteeing the product quality is reached through control of the raw pork meat, and the production environment and other links, the requirements of industrialized production are met. The skewered pork made and provided by the invention has the characteristics of unique flavor, fresh and tender meat, sanitation and safety, thereby being suitable for large batch production.

The invention relates to a method for preparing microfiber hemostatic collagen sponge. The method comprises the following steps of: aggregating collagen molecules by the charge effect by adjusting pH, temperature and the salt concentration of collagen protein solution, freeze-drying the obtained and assembled collagen, then preparing into the collagen protein sponge, and then carrying out thermal crosslinking to obtain the microfiber hemostatic collagen sponge. The microfiber hemostatic collagen sponge prepared by adopting the method has uniform porous structure, good hydrophilic performance, high mechanical strength and degradation resistance and good hemostatic performance, and the defects that the traditional collagen sponge is easy in degradation, poor in mechanical property, easy in collapse in the application process and difficult in maintenance of the inherent form and the like are solved. The preparation method is simple and feasible, and is stable in process, and the prepared microfiber hemostatic collagen sponge can be widely applied in hemostasis and restoration of wounds of burns, traumas and surgical operation, and has good application prospect.

The invention discloses an anthracycline liposome injection, including the injection and a frozen powder injection and a preparation process of the injection. The frozen liposome consists of the anthracycline or an anthracycline hydrochloride, compound neutral phospholipids, surfactant, negative-charge phospholipids, buffers, PH regulators and freezing protection agent. The preparation process includes the following steps: preparation of a hollow liposome, a homogenized liposome, an anthracycline lopsome and an anthracycline lopsome suspension; adding the freezing protection agent; constant volume; sterilization; sub-package; freezing and drying; storage, etc. The liposome injection can be preserved for 12 months under the room temperature with better stability. And the encapsulation rate can be above 95 percent and a granule diameter is between 30 and 300mm. The side effect is low and the technique is simple, thus being convenient for industrial production.