63results about How to "Easy to blend" patented technology

The invention discloses a ferrocene-DOPO biradical polyester type flame retarding and smoke suppressing agent and a preparation method of the ferrocene-DOPO biradical polyester type flame retarding and smoke suppressing agent. The preparation method of the polymer is as follows: putting 10-(2,5-dyhydroxyl phenyl)-9,10-dihydro-9-oxa-10-phosphaphenanthrene-10-oxide into a reactor, adding a solvent,stirring for 5-10 minutes, adding an acid-binding agent; taking R1,R2'-ferrocene oxalyl chloride, adding the solvent, mixing, adding into the reactor dropwise, thermally insulating, stirring and reacting for 1-15 hours at the temperature of 0-50 DEG C under the protection of nitrogen after finishing adding dropwise; pouring a liquid obtained after the reaction into a precipitator while stirring, wherein the volume of the precipitator is 5-10 times that of the liquid, precipitating a yellow solid, carrying out suction filtration, washing a filter cake by using the precipitator, and drying to obtain the ferrocene-DOPO biradical polyester type flame retarding and smoke suppressing agent. The ferrocene-DOPO biradical polyester type flame retarding and smoke suppressing agent can be used to retard flame and suppress smoke of high polymer materials like polyolefins and epoxy resins.

The invention discloses a preparation method for high-toughness monofilament blended cotton yarn. The preparation method comprises the following steps of carrying out cotton feeding, rolling, cotton carding and drawing to obtain rough yarn after carrying out cotton opening and scutching on long staple cotton, fine staple cotton, prefabricated monofilament materials and mixed cotton, and obtaining the high-toughness monofilament blended cotton yarn through spinning and spooling, wherein the prefabricated monofilament materials are obtained through draining and drying after carrying out primary boiling and dehydrating, primary steaming, secondary boiling and dehydrating, secondary steaming, standing, bleaching and washing. The high-toughness monofilament blended cotton yarn prepared by the preparation method has the characteristics of high toughness, low cost and the like, meanwhile, the air permeability is good, and the comfort is strong.

The invention relates to an anti-pollution aromatic polyamide composite reverse osmosis membrane and a preparation method thereof. The preparation method of the reverse osmosis membrane comprises thefollowing steps of: soaking a cleaned polysulfone ultrafiltration membrane in a water phase monomer solution, taking out the polysulfone ultrafiltration membrane, airing the polysulfone ultrafiltration membrane, soaking one side of the polysulfone ultrafiltration membrane in an oil phase monomer solution, reacting for a period of time, taking out the polysulfone ultrafiltration membrane to completely volatilize an organic solvent to obtain a nascent state reverse osmosis membrane; coating the surface of nascent state reverse osmosis membrane with a layer of anti-pollution functional layer precursor solution, and performing heat treatment and rinsing to obtain the anti-pollution aromatic polyamide composite reverse osmosis membrane. A mixed matrix anti-pollution functional layer is constructed by a one-step method, the permeability of the functional layer is improved based on the design of the mixed matrix membrane, covalent bond fixation of the mixed matrix functional layer on the surface of the membrane is realized through chemical grafting and chemical crosslinking, and finally the anti-pollution reverse osmosis membrane with excellent long-term stability is obtained.

The invention relates to a preparation method of a uniform sponge porous polyvinylidene fluoride mixed matrix membrane with high rejection rate and strong pollution resistance. The preparation methodcomprises the following steps: preparing a polyvinylidene fluoride membrane casting solution containing a nano SnO2-graphene oxide composite material, and preparing the polyvinylidene fluoride mixed matrix membrane from the polyvinylidene fluoride membrane casting solution by using a non-solvent induced phase separation method. Compared with like membranes in the prior art, the ultrafiltration membrane prepared by the preparation method has the advantages of excellent anti-pollution performance, high rejection rate, simple preparation method and the like.

The invention relates to a preparation method of a polyvinylidene fluoride mixed matrix membrane with high flux and strong pollution resistance. The method comprises the following steps: adding a zeolite imidazate skeleton-8 material prepared by a solvothermal method into a polyvinylidene fluoride membrane casting solution, and preparing the polyvinylidene fluoride mixed matrix membrane from the polyvinylidene fluoride membrane casting solution by a non-solvent induced phase separation method. Compared with the prior art, the method has the advantages that the prepared ultrafiltration membraneis excellent in anti-pollution performance, high in water flux, simple in preparation method and the like.

The invention discloses a flame retardant anti-dripping blended fabric and a preparation method of the blended fabric. The blended fabric is formed by blending aramid fiber and flame retardant terylene according to the mass ratio of (8-20): (80-92). The preparation method comprises the pretreatment process of aramid staple fiber and the blending process of the flame retardant terylene, wherein before blending, polar solvent is used for treating the aramid fiber for 60-90min at the temperature controlled within the range of 60-90 DEG C, and the flame retardant terylene is treated by 4-8g/L alkali for 30-90min at the temperature controlled within the range of 50-80 DEG C. Surface treatment is carried out on the aramid fiber and the flame retardant terylene, so that the fiber surface becomes appropriately rough, and blending can be better carried out. The prepared fabric woven by mixed yarn not only has good flame retardant property, but also has good dripping resistance.

The invention discloses a preparation method of a prefabricated palm fiber material for cotton/palm fiber blending. The preparation method comprises the following steps: performing primary boiling-off and primary steaming to water, palm fibers, sodium hydroxide solution, kerosene, camellia oil, refining agent MRN and JFC to obtain primarily steamed palm fibers; then performing secondary boiling-off and secondary steaming to the water, sodium hydroxide solution, refining agent MOL-201, new synthetic fiber refining agent AV-SCOUR-81, chelating agent EDTA, kerosene, camellia oil and the primarily steamed palm fibers to obtain secondarily steamed palm fibers; standing the secondarily steamed palm fibers; mixing with the sodium hydroxide, hydrogen peroxide, stabilizer LTP-S128 and water to obtain bleached palm fibers; and then washing and bleaching the palm fibers twice with water at different temperatures, draining off and drying to obtain the prefabricated palm fiber material for cotton/palm fiber blending.

The invention relates to a vertical sludge cleaning treatment machine for river channel dredging. The vertical sludge cleaning treatment machine comprises a workbench, a drying device, a block cuttingdevice and a crushing device, wherein the drying device is installed at the right end of the upper end face of the workbench in a sliding fit mode; the block cutting device is arranged on the left side of the drying device and is connected with the upper end face of the workbench in a sliding fit mode; and the crushing device is arranged on the left side of the workbench. According to the vertical sludge cleaning treatment machine for river channel dredging, river sludge is cleaned and reutilized by adopting the design concept of multi-stage treatment, so the waste is turned into the valuable, and the utilization rate and the forming degree of sludge are improved; and dried sludge blocks are crushed and refined by adopting the crushing device, so the crushed sludge blocks can be easily mixed with other substances during subsequent use.

The invention discloses a ferrocene-thiotriazinone biradical polyamide synergistic charring agent shown in the formula (I) and a preparation method thereof.The preparation method of the polymer includes the steps that phenol, distilled water, an acid-binding agent I, cyanuric chloride, an organic solvent I and the like serve as raw materials and are prepared into an intermediate I through chemical reaction, the intermediate I, an acid-binding agent II, ammonia water, an organic solvent II and the like are prepared into an intermediate II through chemical reaction, and then the intermediate II, a raw material I, a dehydration agent, organic alkali, an organic solvent III and the like are prepared into the ferrocene-thiotriazinone biradical polyamide synergistic charring agent through chemical reaction.The polyamide synergistic charring agent is a polymerization type flame-retardant agent, can be used for flame retardance of plastic and other organic high polymer materials, can effectively improve heat stability and increase the residual carbon amount of a system, promotes matrix degradation cross-linking charring and compact carbon layer forming, and reduces release of smoke.The preparation method is simple and easy to control, and the polyamide synergistic charring agent is easy to obtain, good in performance and high in practicality.The formula (I) is as shown in the description.

The invention relates to a production method of a roving woolen fabric with a health care function. The production method of the roving woolen fabric with the health care function adopts a light and thin roving high-count flat-coated tweed woven by roving yarns with the count number of 25/1 metric count; the light and thin roving high-count flat-coated tweed has good fiber cohesive property and antistatic property, the roving high-count wool yarns have the advantages of uniform yarn levelness and high strength, the fabric is light, thin, soft, full in hand feeling, smooth and bony. A polylactic acid fiber also has the characteristic of being easy to blend, so that advantage complementing and disadvantage reduction of all fibers are well realized, the fabric prepared by the fibers has the advantages of better strength, and better water adsorption and thermal insulation properties, is more stiff and smooth, and also has good benefits to human body health and environmental protection.

The invention discloses a metal ion flame retardant complex having a Schiff base structure, and a preparation method thereof, and mainly relates to the field of reactive flame retardants, wherein thestructural formula is defined in the specification, and R is defined in the specification. According to the present invention, a series of flame retardant complexes Salen-DPCP-M are formed by complexing Salen-H6-2DCP and metals, wherein the phosphorus-containing organic fragments can provide gas phase flame retardant effect during the combustion of polymer materials, and the Schiff base and the metal respectively provide the cross-linking and catalytic carbon formation condensed phase flame retardant effect during the combustion.

The invention relates to a preparation method of novel fluorescent polyhedral oligomeric silsesquioxane/polymethyl methacrylate (POSS/PMMA). The method comprises the following steps: introducing a long-conjugate fluorine derivative EMOF with high fluorescence quantum yield to POSS by using an addition reaction of a Si-H bond and end alkyne through molecular design to prepare a dendritic organic/inorganic hybrid luminescent material EMOF-POSS with the POSS as a core and a fluorescence chromophore as an arm; and preparing an inorganic/organic composite nanomaterial from the EMOF-POSS and the PMMA through a solution blending technology. Combination of the POSS and the EMOF effectively reduces aggregation of the fluorescence chromophore in the PMMA matrix, so the luminescence properties of the material are obviously improved, and the composite material has good heat stability.

An adhesive including at least 100 weight parts of an unsaturated polyester resin suitable for air-drying, between 0 and 5 weight parts of hydrogenated castor oil, between 1 and 20 weight parts of a nano powder, between 10 and 250 weight parts of a filler, and between 1 and 15 weight parts of an anti-shrinking agent.

The present invention provides for a manufacturing apparatus for forming a ceramic preform from an extrudate having a first end and a second end. A cutter forms the first and second ends of the extrudate complementary to each other such that the first and second ends of the extrudate align with each other in a spaced relationship to define a preform having a substantially uniform exterior surface and a substantially uniform thickness. The present invention provides for a method of forming the preform from the extrudate having the first and second ends utilizing a mandrel. The method includes the step of aligning the second end complementary to the first end of the first layer in a spaced relationship to define the preform having the substantially uniform exterior surface and the substantially uniform thickness.

The invention discloses an efficient and energy-saving concrete water reducing agent blending device which comprises a tank body, a grinding plate, a transmission shaft, a twisting piece, a deposition tank, a first shaft sleeve and a second shaft sleeve; the grinding plate is arranged in the upper end of the tank body, the deposition tank is arranged in the lower end of the tank body, and a motor is arranged on the lower surface of the tank body; the transmission shaft penetrating through the lower end of the tank body is arranged on the upper surface of the motor, the upper end of the transmission shaft penetrates through the grinding plate and is connected with a first limiting block, a stirring rod is welded to the outer wall of the first limiting block, the twisting piece is arranged on the surface of the transmission shaft, and first connecting rods and second connecting rods are arranged at the two ends of the transmission shaft; and mixing plates are embedded between the first connecting rods and the second connecting rods, and screens distributed in a circular array are embedded in the surface of the grinding plate. The stirring rod, the twisting piece and the material mixing plate are synchronously driven to rotate through the transmission shaft, so that fed raw materials can be synchronously ground, the blending uniformity can be improved, and the actual use effect is better.

The invention relates to grinding and polishing equipment, particularly relates to ramie abrasive base cloth for grinding and polishing various types of electronic devices, and provides the ramie abrasive base cloth to overcome the technical defects that fabric fibers in the prior art are high in elongation and tend to elongate continuously when tensioned in grinding, the fabric fibers are low in strength and non-abrasion-resistant, the fabric fibers low in friction coefficient tend to emit light from the surfaces after used for a period of time, the friction coefficient is lowered so that the fabric fibers are unavailable, the service life of the fabric fibers is short, two types of insulators tend to generate static electricity in abrading, and the like. The ramie abrasive base cloth comprises, in mass percentage, 80-99% of ramie fibers, and 1-20% of conductive fibers. The ramie abrasive base cloth is simple in structure, high in friction coefficient, less apt to rupture and deform, less apt to generate static electricity, high in durability, stable in physical and chemical properties, and capable of meeting industrial production requirements.

An adhesive, including: at least 100 weight parts of an unsaturated polyester resin suitable for air-drying, between 0 and 5 weight parts of hydrogenated castor oil, between 1 and 20 weight parts of nano powder, between 0 and 100 weight parts of a filler, and between 1 and 15 weight parts of an anti-shrinking agent.

A receiver device of the cotton opener includes the rack, the driver, the roller of the cotton feeding and the cotton output part, which are the cotton box and the output roller. The cotton feeding bed is installed on the feeding roller, which is installed into the rack; the cotton feeding bed and the feeding roller form the feeding jaw; the friction roller is installed on the friction roller device, which is between the feeding roller and the output roller. The device can be used to all kinds of the cotton opener.

The invention discloses a method for removing solid impurities of catalytic slurry oil by low-temperature coalescence, which comprises the steps of heating, dehydrating, adding a liquid assistant, mixing, heating a solid assistant, mixing, and carrying out solid-liquid separation, thereby obtaining the purified catalytic slurry oil with low ash content in which solid impurities are removed. According to the invention, through the combined action of the liquid auxiliary agent and the solid auxiliary agent, tiny catalyst solid particles are aggregated into large particles, so that impurities areeasy to remove; the solid impurities in the catalytic slurry oil are separated out in a solid form, the process technology is novel, the operation is easy, and continuous separation can be achieved;the separated solid slag is in a loose solid state in appearance, is convenient to mix and burn with fire coal, and is environment-friendly; no concentrated solution or other liquid hazardous waste isgenerated, and no environmental pollution risk is caused; and the method has the advantages of mild process conditions, simple equipment, easy operation, continuous production, thorough solid-liquidseparation and high finished product yield, and the yield of the purified catalytic slurry oil obtained after separation reaches 99% or above.

The invention relates to the technical field of road construction, in particular to a rapid roadbed construction process which comprises the following steps: S1, roadbed flattening: removing sundries of a roadbed, flattening and jolt-ramming; s2, width limiting of a roadbed: the width of the roadbed is limited, and baffles are mounted on the two sides of the roadbed; s3, aggregate paving: paving the aggregate on a roadbed, leveling and jolt-ramming; s4, paving a roadbed: heating the modified asphalt to 160-180 DEG C, paving the modified asphalt on the aggregate of the roadbed, and leveling the modified asphalt so that the modified asphalt is mixed with the aggregate; s5, rolling and surface finishing are conducted, wherein rolling is conducted for four times; after rolling is finished, when the pavement temperature is lower than 45 DEG C, traffic is opened; the construction method has the advantage of high construction efficiency.

The invention relates to cutting-resistant, chunking-resistant and chipping-resistant all-steel engineering radial tire tread rubber and a preparation method thereof. The cutting-resistant, chunking-resistant and chipping-resistant all-steel engineering radial tire tread rubber comprises the following components in parts by weight: 20-30 parts of natural rubber, 70-80 parts of butadiene styrene rubber, 55-60 parts of carbon black, 5-15 parts of white carbon black, 1-3 parts of stearic acid, 3-5 parts of zinc oxide, 5-6 parts of an anti-aging system, 2-4 parts of resin, 3-6 parts of oil and 2-4 parts of a vulcanization accelerator. Compared with the prior art, the cutting resistance of the tread rubber is improved by adopting high parts of butadiene styrene rubber, and meanwhile, the heat generation performance of the rubber material is reduced by adopting a variety of carbon black for use, so that the service life of the engineering tire is prolonged.