112results about How to "Environmentally friendly processing" patented technology

The invention provides a domestic antistatic warp-knitted short floss sofa fabric. A preparation process of the domestic antistatic warp-knitted short floss sofa fabric comprises the following steps: firstly, weaving a piece of blank cloth, namely, weaving the blank cloth of a three-comb full-cross texture structure from long polyester yarns which are 5.6-12.4tex/24-36F and used as surface yarns and another long polyester yarns which are 5.6-12.4tex/24-36F and used as middle yarns and bottom yarns, wherein a front-comb full-cross floss stitch is formed into a bottom stitch, a middle-comb full-cross floss stitch is formed into a plain stitch, and the rear-comb full-cross stitch weaves for 3-11 needles to form a warp stitch; secondly, performing pretreatment, preforming, fluffing, refixing, ironing, dyeing, scotching, antistatic finish and ironing-cutting on the blank cloth to obtain the domestic antistatic warp-knitted short floss sofa fabric. The domestic antistatic warp-knitted short floss sofa fabric is relatively good in antistatic property.

The invention provides a preparation method of fresh dendrobe juice, comprising the following steps: taking fresh dendrobium officinale and fresh rehmannia as main raw materials; pulverizing the mainraw materials into ultramicro fine particles under the action of an air flow pulverizer through spray drying; and then adding purified water into the ultramicro fine particles, compounding, uniformlymixing, canning, sterilizing and inspecting to prepare the fresh dendrobe juice. The fresh dendrobe juice is kept normal juice taste, has the advantages of nourishing the Yin, enhancing the immunity of human bodies, clearing the heat, relieving the restlessness, and the like, is more convenient to absorb by the human bodies under the condition of a ultramicro fine particle juice state, enhances the absorption and utilization ratio of nutritional ingredients contained in the dendrobium officinale and has important significance in developing fresh dendrobium officinale products.

The invention relates to an individualized biomimetic dental implant and a manufacture method thereof. The invention is characterized in that the dental implant comprises an implant body for imitating the original tooth root tissue structure of a patient's missing tooth and also comprises a biomimetic artificial alveolar bone structure outer-layer for imitating a patient's alveolar bone tissue structure. The biomimetic artificial alveolar bone structure outer-layer and the external surface of the implant body are combined as a whole. The biomimetic tooth root implant body's outer layer is a 3D printed biomimetic artificial alveolar bone structure outer-layer which is combined with the implant body to form a whole structure, and is similar to the tissue structures of missing tooth's original tooth root and alveolar bone. Thus, the invention provides an ideal implementation scheme of a biomimetic artificial tooth root structure. What is the most important is that the invention provides a structure which is beneficial to bone marrow stem cell and osteogenesis-related cell adhesion, proliferation and mineralization and gives play to final osteogenic function and has good bioactivity. Therefore, a microenvironment for promoting osteogenesis is created, osteocyte generation is induced, and early rapid and firm synosteosis is realized.

The invention relates the microwave radio-frequency radiation cross-linking biodegradation material, comprising starch, cellulose, A, aminocaprolactam or polyatomic alcohol, B, coupling agent, C, nucleation agent, D, undecylenic acid, calcium carbonate, natrii chloridum, and urea. The method comprises the following steps: mixing the raw material, cross linking with microwave radio-frequency device, foaming, forming, and getting the product. The invention solves the problems of no degradation, complex procedure, high cost and hard technology. The product has the advantages of good draftability, suppleness and obstructing property. The invention has the advantages of wide application area, completely degradation and non pollution. The invention also has the advantages of simple technology, easy operation and low cost.

The invention relates to an individual biomimetic dental implant and a making method thereof, and the individual biomimetic dental implant includes an implant body imitating an original teeth root tissue structure of a missing tooth of a patient, a bionic artificial alveolar bone structure outer layer which is bonded with the outer surface of the implant body into one body, and biological protein molecule-bone morphogenetic protein (BMP) which is attached to the bionic artificial alveolar bone structure outer layer. The implant body and the bionic artificial alveolar bone structure outer layer are overall 3D-printed, and are similar to the original teeth root tissue structure and the alveolar bone tissue structure of the missing tooth of the patient, and the BMP-modified biological protein molecule promoting rapid bone formation is added, so that an ideal bionic artificial teeth root tissue structure is provided. The most important is to provide a good biological activity structure which is conducive to bone marrow stem cell and bone formation-related cell adhesion, proliferation and mineralization to finally play the osteogenic function, a bone formation promotion microenvironment is created, bone cell formation is induced, and early rapid and strong bone combination can be realized.

A wood cutting machine with recyclable debris mainly includes a bottom plate, and support plates are fixedly connected to both sides of the top of the bottom plate, and fixed plates are fixedly connected to the opposite sides of the support plates through support columns, and fixed A screen is arranged on the board, and the two sides of the top of the fixed board are fixedly connected with sliding rods through connecting columns, and one side of the supporting board is fixedly connected with the first motor through the base, which solves the problem that the existing wood cannot be cut. Recycling debris requires manual processing, which improves the utilization rate of wood, reduces people's work burden, improves people's work efficiency, and changes the situation that wood cutting equipment on the market cannot recycle debris. , to ensure that wood processing is more environmentally friendly and more automatic. The device has a simple structure and is easy to operate.

The invention relates to a carbon fiber reinforced polyetheretherketone composite material and a preparation method thereof, belongs to the technical field of continuous carbon fiber reinforced polyetheretherketone composite materials and aims to solve the technical problem of difficulty in laminated paving existing in the preparation of a complex component when an existing APC-2 prepreg is applied. The carbon fiber reinforced polyetheretherketone composite material is prepared by weaving carbon fibers and polyetheretherketone fibers in a mixed manner by using two-dimensional weaving and sequentially performing shearing, laminated paving and hot-press molding treatment, wherein warp yarns are the carbon fibers; weft yarns are the polyetheretherketone fibers; arbitrary two layers of unidirectional carbon fibers in the laminated paving process are in included angle arrangement. According to the preparation method provided by the invention, the flexibility and the hangability of the fibers are kept, and the laminated paving is more convenient.

The invention discloses a reactive extrusion toughening carbon fiber reinforced polylactic acid 3D printing material and a preparation method thereof, and relates to the technical field of 3D printing materials. Raw materials are mixed according to the formula and then the mixed raw materials are put into a twin-screw extruder to be extruded after frit reaction and a reaction extrusion toughening modification carbon fiber reinforced polylactic acid 3D printing wire material is obtained after cooling. The reactive extrusion toughening technology overcomes the problems of poor toughness and low elongation at break of the wire material with high carbon fiber content, is beneficial to improvement of the interface compatibility between carbon fiber and polylactic acid, and effectively ensures that the printing process of the printed pieces is smooth. The processing time is short, the working process is environmentally friendly, the use of a large number of mixed acid is avoided, environmental pollution is reduced, the cost is low, and the reactive extrusion toughening carbon fiber reinforced polylactic acid 3D printing material and the preparation method thereof are suitable for industrial production.

The invention discloses a foamed polypropylene bead with a low melting point and high cementability and a preparation method thereof. The preparation method comprises the following steps: preparing polypropylene with a low melting point, high cementability and high melt strength with high-melt-strength polypropylene as a matrix resin and a petroleum resin and an ethylene-acrylic acid copolymer as tackifying and cooling agents; adding a foaming agent and a nucleating agent and then carrying out extrusion so as to obtain a one-shot foamed polypropylene bead; and then carrying out kettle pressure foaming so as to obtain the foamed polypropylene bead. The foamed polypropylene bead prepared in the invention has a low melting point and good foaming performance, and the density of a foaming body during foaming of the bead is 0.2 g/cm3. According to the invention, a low pressure process is employed, requirements on equipment are low, investment is small, no isolating agent or surfactant is used, no waste water is discharged, the whole production process is green and pollution-free, so the preparation method has good industrial application prospects.

The invention discloses a spraying-free, heat-resistant and weather-resistant high-brightness PMMA alloy material and a preparation method thereof. The spraying-free, heat-resistant and weather-resistant high-brightness PMMA alloy material is prepared from the following components in parts by weight: 70 to 75 parts of PMMA resin, 5 to 20 parts of a compound flexibilizer, 0 to 5 parts of a heat resisting agent, 0.2 to 0.5 part of a light stabilizer, 0.3 to 0.5 part of an antioxidant, 0.2 to 0.3 part of a lubricating agent and 0.5 to 1.0 part of a toner, wherein the compound flexibilizer is prepared by compounding acrylate and organic silicon resin according to a mass ratio of 3 to 1; the heat resisting agent is customized LMPB-g-MAH. By the adding of the crylic acid and organic silicon compound flexibilizer into the PMMA resin, the PMMA resin material is high in impact strength and weather resistance; the heat resisting agent is added into the PMMA resin, the PMMA material is high in heat resistance; therefore, the PMMA material can be molded through one-time injection, and the production efficiency is improved.

The invention discloses a processing method for a low molecular weight polypeptide wine of different sea cucumber tissues. The method is characterized by including the steps of: A. raw material treatment, B. biological enzymolysis, C. centrifugal separation, D. ultrafiltration concentration in stages, E. nanofiltration desalination concentration, F. drying, G. preparation of a extract liquid of other auxiliary materials, H. blending: adopting a wine base as the base solution, adding a polypeptide concentrated solution or polypeptide powder, and the extract liquid of other auxiliary materials according to certain proportion, and stirring the substances evenly; I. aging, and J. filtering and filling. The method provided by the invention utilizes the sea cucumber body wall and the sea cucumber processing byproducts sea cucumber intestine and sea cucumber gonad to prepare low molecular weight polypeptide respectively for blending with the wine base. On the one hand, the comprehensive utilization and high-value of sea cucumber single items are increased, and on the other hand, the effective components in sea cucumber wine are enhanced, thereby enhancing the efficacy of the sea cucumber wine.

The invention discloses a fabric device and technical flow process for generating color printed patterns through multi-light-source projection irradiation, and belongs to the technical field of textile. The device comprises one set or a plurality of sets of controllers, a roller, a projector, a spraying head, an adjustable support frame, a fabric and a machine frame, and can comprise a compregnating roller and a compregnating cylinder, wherein the action of the spraying head and the projector is controlled by the controller; the controller communicates with a PC (personnel computer); the fabric device and technical flow process for generating color printed patterns through multi-light-source projection irradiation can use a single-irradiation method or a multi-irradiation method. The steps comprise the total or partial steps of pre-treatment, drying, resin application, projection, color fixation and post treatment on the fabric. When the method is used for processing printed pattern fabric, the advantages of environment-friendly processing process, rich color of the fabric patterns, high resolution and high yield are realized.

The invention discloses an electromagnetic shielding material with a three-layer structure and a preparation method thereof. The electromagnetic shielding material is composed of carbon nanotubes andpolypropylene. The polypropylene/carbon nanotube composite material with different contents of carbon nanotubes is obtained by adopting a physical blending method, and is subjected to hot press molding on a press vulcanizer to obtain a strip sample with a three-layer structure and having a high carbon nanotube content in the skin layers and a low carbon nanotube content in the core layer; finallythe strip sample is put into a high-temperature and high-pressure reaction kettle, and a three-section temperature control type intermittent foaming method is adopted to prepare a polypropylene/carbonnanotube material with a three-layer foam structure, which has basically non-foamed upper and lower skin layers and a foamed middle core layer. The preparation method can reduce the mass of the electromagnetic shielding material, is simple to operate, environment-friendly in preparation process, low in cost, good in electromagnetic shielding performance and convenient for industrial production, and has a wide application prospect.

The invention is suitable for the building timber processing technology field, and provides a cutting device. The cutting device comprises a material guiding mechanism, a cutting mechanism and a dustproof mechanism, wherein the material guiding mechanism is used for elastically clamping materials and conveying the processed materials to move; the cutting mechanism is arranged on a conveying trackof the material guiding mechanism for conveying the processed material and is used for cutting the processed material clamped and conveyed by the material guiding mechanism; and the dustproof mechanism is arranged on one side, away from a conveying direction of the processed materials conveyed by the material guiding mechanism, of the cutting mechanism and is used for collecting scraps generated in a cutting process of the processed materials and guiding the processed materials. In the invention, after the materials extend into from one end of a feeding port, the materials can be clamped and limited through the material guiding mechanism and are conveyed to one side of the cutting mechanism, and a processing process is stable and safe; and when the materials are processed by the cutting mechanism, smoke dust fragments generated by processing can be adsorbed and collected under driving of the dustproof mechanism so that pollution to the outside during processing is reduced, and processing is more environment-friendly.

The invention provides a preparation method of donkey bone collagen powder, donkey bone powder and donkey bone oil. The preparation method comprises the following steps: (1) separating bones; (2) carrying out freezing; (3) crushing the bones; (4) carrying out preliminary degreasing to obtain crude bone oil; (5) performing drying and crushing to obtain crude bone meal; (6) performing secondary degreasing to obtain crude bone oil, combining the crude bone oil with the crude bone oil obtained in the step (4), and performing refining to obtain refined donkey bone oil; and (7) performing extractingto obtain refined bone meal. The donkey bone collagen powder disclosed by the invention is good in instant solubility, small in molecular weight, easy to absorb and capable of rapidly supplementing collagen lost from tissues, and is widely applied to the industries of cosmetics, sports beverages, medicines and health products. Meanwhile, the donkey bone oil prepared by the invention is light yellow and clear in color, contains a large amount of unsaturated fatty acids necessary for human bodies, and is wide in application prospect. In addition, the refined bone meal also contains rich minerals and a part of donkey bone collagen, and can be applied to the industries of feeds and chemical fertilizers.

The invention relates to a method for removing ethyl dichlorosilane impurities in dimethyldichlorosilane. A reactor and a separation system are included; a dimethyldichlorosilane feed containing ethyl dichlorosilane and a hydrosilylation reactant are added into a reactor for reaction, an isopropanol solution of chloroplatinic acid hydrate or a Karstedt catalyst is adopted, and a product after the reaction enters the separation system; a rectification mode is adopted, and excessive reactant, dimethyldichlorosilane and hydrosilylation reaction products are separated through light component and heavy component removal operation; and the reacted mixture enters the separation system to be separated, and the dimethyldichlorosilane product is obtained. According to the method, ethyldichlorosilane is converted through reaction, and the characteristic that the boiling point difference between the reactant and the reaction product and dimethyldichlorosilane is large is utilized, so that the system separation difficulty is effectively reduced, the number of theoretical plates and reflux ratio requirements of subsequent rectification separation operation are reduced, the equipment investment is reduced, the energy consumption is greatly reduced, and the industrial application value is relatively high.

The invention belongs to the technical field of tire manufacturing, and particularly relates to composite polyurethane tread rubber and a preparation method thereof. The composite polyurethane tread rubber is obtained through mixing of the following raw materials of mixing type polyurethane rubber, traditional rubber, unsaturated carboxylic acid, metallic oxide, superoxide, an assistant crosslinker and a plasticizer. The composite polyurethane tread rubber provided by the invention can effectively solve the technical defects that the mechanical strength and the anti-fatigue strength in a traditional polyurethane tire technique can sharply decline along with a high temperature and high speed driving condition, a carcass is prone to occurring deformation or tire bursting, a binding part is liable to fall off, the curing speeds of polyurethane and traditional rubber are not matched in a sulfur vulcanization system, and thus undervulcanization and incompatibility exist when two rubber areused simultaneously.

The invention discloses a processing method of deep sea shrimps. The processing method specifically comprises the following steps: changing temperature to unfreeze the deep sea shrimps; adding proteinase and hydrolyzing, and then drying; mixing and pickling the dried sea shrimps with bear through pickling liquid; drying, cooling and sterilizing to obtain a product. The processing method of the deep sea shrimps, provided by the invention, is low in energy consumption; a processing process is environment-friendly and the time is short; the product has a delicious taste and a rich flavor; in a preparation process, vanilla and basils are added, so that the taste of the product is improved and a health-care effect of the product is increased; apple juice is added so that the fruit flavor of the product is increased.