30results about How to "No granulation required" patented technology

The invention relates to a pulverized coal ash and PVC (Poly Vinyl Chloride) composited micro-foaming building template reinforced by long glass fibers. The building template comprises a PVC composited modified material matrix, and the matrix consists of PVC, a heat stabilizer, a foaming agent, a foam stabilizer, a flexibilizer, an internal lubricant, an external lubricant, pulverized coal ash and high-strength long glass fibers. According to the pulverized coal ash and PVC (Poly Vinyl Chloride) composited micro-foaming building template reinforced by long glass fibers as well as a preparation method of the building template, the pulverized coal ash and the long glass fibers are adopted for filling and reinforcement, so that both the dimensional stability and the economical efficiency of the building template are enhanced greatly; the pulverized coal ash as a recyclable raw material is environment-friendly and energy-saving and can be used for replacing inorganic fillers such as calcium carbonate, so that the economic cost is lowered; in addition, the building template has advantages of light weight, resistance to medium acid-alkali corrosion, recyclability, heat insulation, good mechanical performance, flame retardation, wear resistance and the like; besides, the micro-foaming building template, which is manufactured by virtue of specific auxiliaries and an advanced micro-foaming technology, is environment-friendly, nontoxic, light in weight and resistant to medium acid-alkali corrosion; the service cycle of the building template is prolonged by 4-5 times than that of a wooden template and a bamboo-glue template, and the physical and mechanical properties of the building template are enhanced by 3-4 times; in addition, the building template can be demolded easily, and simultaneously the building template is recyclable, green and environment-friendly and saves the economic cost.

The invention relates to a method for producing polyvinyl alcohol hollow container, wherein it is characterized in that: it dissolves the modifier with compensated structure to the polyvinyl alcohol at 1-25deals into 20-50deals of deionized water, mixing, adding 50-80deals of polyvinyl alcohol, expanding at 20-60Deg. C, adding additives at 0-5deals, mixing, injection molding at injection device whose thermal treatment temperature is 60-170Deg. C and mould temperature is 10-150Deg. C, into hollow container; thermally processing at 40-250Deg. C or infrared drying for 3-120Deg. C, to improve the crystal degree, or at 20-80Deg. C, using crosslink solution whose density is 0.1-5% to treat it for 1-60min; thermally treating or infrared drying, to obtain the product with better insulated, physical and damp-proof properties.

An antistaling film (bag) for fresh garlic cloves is prepared from polyvinyl chloride resin, dioctyl phthalate, dioctyl decanedionate, octyl epoxy soybean oleate, phosphite, calcium stearate, zinc stearate, stearic acid, paraffin wax and nano-class active calcium carbonate through proportionally mixing, high-temp kneading, single-screw extruding out and blow moulding.

The invention discloses a method for preparing semi-aromatic nylon and belongs to the technical field of macromolecular material synthesis. The method comprises the following steps: (1) uniformly mixing aliphatic diamine and water of which the weight is two to ten times that of the aliphatic diamine, heating the mixture to the temperature of between 50 and 90 DEG C, adding aromatic diacid into the mixture with stirring till a pH value of the solution reaches 7.0-7.7, continuously stirring for 1 to 5 hours, cooling the solution to room temperature, continuously stirring the solution for 1 to 5hours again, and filtering and drying to obtain nylon salt for later use; and (2) adding the prepared nylon salt and a solvent to a polymerization kettle in a certain mixture ratio (0.5 to 3.0 g / mL),raising the temperature to between 190 and 230 DEG C under the protection of inert gas, keeping the pressure in the kettle between 2.0 and 3.0 MPa, discharging gas after 1 to 5 hours to make the pressure in the kettle reduced to normal pressure within 1 to 5 hours, raising the temperature to between 210 and 270 DEG C, and continuing to react for 1 to 5 hours, and discharging to obtain a powdery semi-aromatic nylon product. The method has mild reaction condition and low energy consumption; the product is easy to mold and machine; and the method solves the difficult problem of difficult discharging of the semi-aromatic nylon, and is applicable to industrialized production.

The invention relates to a cleaning agent for a screw rod of a plastic extruding machine or an injection molding machine. The cleaning agent is used for cleaning a machine barrel and a screw rod of the extruding machine or the injection molding machine. The cleaning agent consists of the following components: 25 to 40 percent of a hard cleaning agent glass fiber, 5 to 10 percent of an interface cleaning agent PPA and 50 to 70 percent of matrix resin. The cleaning agent provided by the invention has the advantages of cleaning various adhering substances on the surface of the machine barrel and the screw rod quickly, strongly and efficiently, and greatly improving the cleaning efficiency, and is low in cost.

The invention discloses macadamia nut tea and a preparation method thereof. The macadamia nut tea is prepared from the following raw materials in parts by weight: 80-100 parts of macadamia nut kernels, 30-80 parts of maltodextrin, 40-100 parts of cane sugar, 40-80 parts of milk powder, 1-6 parts of tea leaves, 1-6 parts of an emulsifier, 0.1-1 part of a food flavor and 0.1-1 part of food-grade silicon dioxide. According to the macadamia nut tea and the preparation method thereof, the macadamia nut tea product which is good in solubility, more stable in fat in the product, unique in flavor of nuts and tea fragrance and smooth in taste is prepared through a special formula and a special process. The obtained product is convenient to brew and easy to carry and store, product marketization is achieved, and the product is suitable for being industrially popularized and applied. According to the macadamia nut tea and the preparation method thereof, a processing way of macadamia nuts is widened, the additional value is increased, and the macadamia nut tea and the preparation method thereof have an important significance in healthy development of macadamia nut industry and poverty-overcoming and prosperity-becoming of farmers.

An antistaling film (bag) for fresh garlic cloves is prepared from polyvinyl chloride resin, dioctyl phthalate, dioctyl decanedionate, octyl epoxy soybean oleate, phosphite, calcium stearate, zinc stearate, stearic acid, paraffin wax and nano-class active calcium carbonate through proportionally mixing, high-temp kneading, single-screw extruding out and blow moulding.

The invention provides a high-temperature-resistant polylactic acid melt-blown electret nonwoven filter material and its preparation method and application. Corona electret treatment. The material prepared by the method does not need to add any functional additives, and does not need to be granulated, which simplifies the production process.

The invention discloses polyester fibers with a catalytic degradation function and a preparation method thereof. The method comprises the following steps: firstly preparing TiO2 intercalated graphene oxide particles; cutting functional particles into micro-nano powder with a strong ultraviolet lamp; keeping the powder suspending in a cavity through air flow, and horizontally feeding colored polyester filaments into the cavity; softening the polyester fibers by controlling the temperature in the cavity so as to effectively bond with the powder; and carrying out hot pressing on the polyester filaments bonded with the functional powder to firmly bond the powder and the polyester fibers. The prepared novel polyester fibers have excellent catalytic degradation performance for aldehydes, benzene and other organic matters in vehicles; and the method is simple and feasible, and the catalytic degradation performance of the fibers can be durable and stable.

The invention discloses a preparation method of a polyvinyl alcohol hollow container, which is characterized in that 1 to 25 parts of a modifying agent having a complementary structure with polyvinyl alcohol are dissolved in 20 to 50 parts of deionized water, stirred to form a uniform solution, and then 50 parts of ~80 parts of polyvinyl alcohol, fully swell at a temperature of 20~60°C, add 0~5 parts of auxiliary additives, mix evenly, and blow on the blow molding equipment at a thermoplastic processing temperature of 60~170°C and a mold temperature of 10~150°C Molded into a hollow container, then undergo heat treatment at a temperature of 40-250°C or infrared drying for 3-120 minutes to increase the crystallinity of the product, or cross-link with a cross-linking agent solution with a concentration of 0.1%-5% at a temperature of 20-80°C After 1 to 60 minutes, heat treatment or infrared drying is performed to obtain a polyvinyl alcohol hollow container with excellent barrier properties, mechanical properties and moisture resistance.

The invention relates to the technical field of adsorbents, in particular to an integrally formed granular carbon adsorbent and its preparation method and application. The granular carbon adsorbent uses camellia oleifera shell as raw material, and after pre-carbonization, optimized KOH and ZnCl 2 Holes are made under mixing conditions and finally sintered. The granular carbon adsorbent prepared by the present invention avoids the use of binders, realizes the low-cost preparation of integrated high-mechanical-strength granular carbon materials, and realizes high-efficiency CH 4 / N 2 Separation and methane enrichment can alleviate energy shortage and create economic benefits; and under the conditions of 298K and 100kPa, the CH of the prepared granular carbon adsorbent 4 Absorption up to 1.49mmol / g, CH 4 / N 2 The adsorption selectivity is as high as 5.88.

The invention relates to a cleaning agent for a screw rod of a plastic extruding machine or an injection molding machine. The cleaning agent is used for cleaning a machine barrel and a screw rod of the extruding machine or the injection molding machine. The cleaning agent consists of the following components: 25 to 40 percent of a hard cleaning agent glass fiber, 5 to 10 percent of an interface cleaning agent PPA and 50 to 70 percent of matrix resin. The cleaning agent provided by the invention has the advantages of cleaning various adhering substances on the surface of the machine barrel and the screw rod quickly, strongly and efficiently, and greatly improving the cleaning efficiency, and is low in cost.

The invention discloses a preparation method of a magnetic microporous lithium adsorbent, which comprises: modifying the surface of a magnetic material with a surface modifier to obtain a surface-modified magnetic material; The alcohol dispersion liquid of the modified magnetic material is reacted to prepare the magnetic microporous lithium adsorbent. The present invention can better control the specific surface area and pore size distribution of the adsorbent by controlling the drop rate of the soluble lithium salt and the pH of the reaction end point to obtain a microporous lithium adsorbent; after modifying the surface of the magnetic material, the lithium adsorbent can be stabilized grafted on the surface of the magnetic material to obtain a microporous magnetic lithium adsorbent. The adsorbent has magnetic properties, is convenient for solid-liquid separation in the adsorption-desorption process, does not require granulation, is loose and porous, has a large specific surface area, and has obvious advantages in static adsorption capacity and dynamic working adsorption capacity.

The invention relates to a preparation method of membrane electrode assembly of solid oxide fuel cell, belonging to the plasma spraying method in the surface engineering area for the preparation of the core parts of the solid oxide fuel cell. The invention aims at preparing a compact electrolyte layer with smaller film thickness and evenly distributed material composition, effectively improving the electrolyte conductivity, reducing the internal resistance of SOFC, increasing the output power, and preparing porous and evenly distributed electrodes. The invention comprises following steps: preparation, spraying a support electrode, spraying an electrolyte layer, spraying cathode or anode. The invention has the advantages that fine nanometer or ultrafine powder can be directly used to spraywithout granulating; the material change between the function layers shows continuous gradually-changing gradient distribution, which can reduce the interface resistance and avoid the interface stratification; one time continuous forming is integrated with sintering process, and times of sintering are not needed, so that the invention is particularly suitable for spraying SOFC electrodes in the forms of flat plate, tuber, Mono-Block Layer Built and corrugating, large-area nanostructure coating, and short process making of nanometer devices.