45results about How to "Not easy to raise dust" patented technology

Disclosed is an inorganic medicine, particularly modified montmorillonite, method for preparing the same and use thereof. The said modified montmorillonite means that dioctahedron of natural montmorillonite is not destroyed and basic chemical composition for the same is not changed, and the microstructure stacked from dioctahedron layer is changed to decrease the thickness of stacking layer and to expose and increase the end face charge and the interlayer charge of montmorillonite, thereby resulting in its lower degree of C axis order. The present medical use of montmorillonite is thus significantly strengthened, particularly the reversal treatment effect on chronic atrophic gastritis. Also disclosed are a medicine composition containing modified montmorillonite and the reversal treatment effect of natural montmorillonite on chronic atrophic gastritis.

The invention discloses a multi-functional plastic masterbatch and a preparation method thereof. The multi-functional plastic masterbatch comprises the following compositions in percentage by weight: 75-90% of inorganic fillers, 3-14% of carrier, 1-10% of pigment toners, 1-5% of dispersing agent and 0.5-2% of ntioxidant. The multi-functional plastic masterbatch disclosed by the invention has the characteristics of easiness for dispersion, high flame retardant efficiency and low production cost.

The invention discloses a special halogen-free flame-retardant master batch for polypropylene and a preparation method for the halogen-free flame retardant master batch. Components of the master batch comprise, in mass percent, 75-90% of phosphorus-nitrogen halogen-free flame retardant, 8-22% of carrier and 0.1-5% of modified ethylene bis-fatty acid amide. By the aid of the master batch, quality instability of materials due to non-uniform mixing of powder and granules is effectively avoided, easiness in generation of chippings or powder during granule cutting is avoided, production efficiency is improved, and production cost is lowered. Adopting a continuous banburying-extrusion production process leads production efficiency to be high. The master batch effectively solves the problems of easiness in moisture absorption, degradation and foaming of halogen-free flame retardant, so that storage time of the phosphorus-nitrogen halogen-free flame retardant is prolonged, and processability of the phosphorus-nitrogen halogen-free flame retardant is improved. Besides, the special halogen-free flame-retardant master batch for the polypropylene has the advantages of easiness in dispersion, high flame-retardant efficiency and low production cost, and has less influence on physical and mechanical properties, heat resistance, processability and surface color of composite materials than a special traditional halogen-free flame-retardant master batch for polypropylene.

The invention provides a small-sized biomass chopped-material direct-fired water boiler. The water boiler comprises an automatic feeding mechanism and a boiler body, wherein the automatic feeding mechanism consists of a loading box, a feed box, two horizontally placed ejecting rollers and a spiral auger, a draw plate is arranged at the bottom of the loading box, the feed box is positioned below the loading box, the ejecting rollers are mounted in the feed box and provided with radiant pick teeth, and the spiral auger of which the output end is communicated with a feed inlet of the boiler body through a feeding pipe is positioned below the ejecting rollers; and the boiler body consists of a dust collection room, a primary air inlet pipe, a primary air room positioned above the dust collection room and communicated with the primary air inlet pipe, a secondary air inlet pipe, a flue gas steering plate, a secondary air distribution pipe positioned above the primary air room and communicated with the secondary air inlet pipe, a smoke exhaust pipe arranged at the top of a hearth, a flue gas entrained flow air inlet pipe positioned on the side wall of the smoke exhaust pipe and a water jacket on the outer wall of the hearth. The small-sized biomass chopped-material direct-fired water boiler has the advantages of simple structure, low fuel and running costs, cleanliness and convenience in use and high heat efficiency, and is suitable for heating, bathing and the like in wide rural-urban fringe zones and small towns.

The invention relates to the technical field of building rubbish recovery, in particular to a movable building rubbish regenerating treatment system. The movable building rubbish regenerating treatment system comprises a container, and a smashing device, a forming device, a compacting device and a drying device are arranged in the container. The smashing device is used for smashing concrete to form recycled aggregate, and the smashing device comprises a feeding hopper. Paired smashing rolls are arranged at the bottom of the feeding hopper, and a clearance between the two smashing rolls forms asmashing channel. A forming frame for enabling the recycled aggregate to form rectangular blocks is arranged on a conveying belt. The compacting device comprises a bearing plate fixed below the conveying belt, and a pressing plate for pushing the forming frame are arranged above the bearing plate and the conveying belt. According to the movable building rubbish regenerating treatment system, concrete block and other building rubbish can be smashed and compacted into blocky regeneration bricks; and due to the fact that the recycled aggregate in the generation bricks is bonded firmly, the situation that dust is raised from the recycled aggregate, an air pollution is caused is not likely to happen, and the effect of environmentally friendliness is achieved.

The invention discloses flame-retardant masterbatch suitable for a flame-retardant polypropylene material, a preparation method of the flame-retardant masterbatch and a high-gloss anti-precipitation flame-retardant polypropylene material based on flame-retardant masterbatch preparation. Tetrabromobisphenol S bis-(2,3-dibromopropyl) ether masterbatch is adopted as the flame-retardant masterbatch and prepared by taking micropore polypropylene as an adsorbing agent and a masterbatch carrier through a fusing adsorption method. Flame-retardant polypropylene based on flame-retardant masterbatch preparation is prepared from 57%-70% of polypropylene resin, 24%-40% of the tetrabromobisphenol S bis-(2,3-dibromopropyl) ether masterbatch and 3%-6% of antimonous oxide masterbatch. The high-gloss anti-precipitation flame-retardant polypropylene material prepared through the method has the advantages of being high in gloss, easy to mold and disperse, capable of resisting precipitation, low in cost, high in flame-retardant efficiency and the like and can be widely applied to shells of electrons, electric appliances and the like.

The invention discloses a flowing anti-caking auxiliary agent for powder paint. The flowing anti-caking auxiliary agent for powder paint is prepared from the following raw material ingredients in parts by weight: 20 to 40 parts of precipitation process white carbon black, 5 to 15 parts of gas phase process white carbon black, 10 to 30 parts of polyamide wax and 10 to 30 parts of N,N-ethylene Bis-stearamide. The invention also discloses a preparation method of the flowing anti-caking auxiliary agent for powder paint.

The invention relates to the technical field of flame retardant synthesis, and particularly discloses a carrier-free aluminum hydroxide flame retardant master batch and a preparation method thereof. The carrier-free aluminum hydroxide flame retardant master batch comprises the following preparation raw materials in parts by weight: 90-99 parts of aluminum hydroxide, 0.1-1.5 parts of a coupling agent, 0.5-3 parts of a surface treating agent, 10-30 parts of an organic solvent and 1-3 parts of a binder. The coupling agent and the surface treating agent are used for carrying out surface treatmenton the aluminum hydroxide, so that the prepared aluminum hydroxide is not prone to raise dust, the decomposition temperature of the aluminum hydroxide is high, and the application range and the processing temperature of the aluminum hydroxide flame retardant are enlarged; the dispersity of aluminum hydroxide in a high-molecular polymer system is also improved; and finally, the preparation processis simple, the cost is relatively low, the dust pollution is greatly reduced, and the preparation method is worthy of popularization.

The invention provides a high-glossiness anti-flaming polypropylene material easy to clean and a preparation method thereof. Firstly, high-glossiness anti-flaming master batch and dolomite master batch are prepared, the high-glossiness anti-flaming master batch, the dolomite master batch, fluorinated acrylate master batch and polypropylene resin are subjected to melt extrusion and pelleting through an extruder to obtain the high-glossiness anti-flaming polypropylene material easy to clean, and the prepared high-glossiness anti-flaming polypropylene material easy to clean has the advantages of being high in anti-flaming efficiency, good in glossiness, easy to form, resistant to water and oil, easy to clean and the like, and can be widely applied to the fields of household appliances such as warmers, air blowers, bread makers, ovens and electric cookers.

The invention relates to the technical field of building materials, in particular to a prefabricated building block. The prefabricated building block comprises a water permeable surface layer and support layers, wherein the support layers are polygonal prisms, the outer contour of the cross section of the support layers is orthohexagnal, and a plurality of first open holes are formed in the support layers and penetrate the upper and lower surfaces of the support layers, accordingly, the water-permeable function can be realized through the first open holes, and the water storage function can be realized by matching with the water-impermeable ground after installation. Rainwater can enter the first open holes in the support layers through the water permeable surface layer to be stored. When the water quantity is small, the stored water can keep a road in a wet state through evaporation, so that the probability of flying dust on the road is low, the specific heat of the road is increased, the surface temperature is reduced, and the heat island effect is relieved. The support layers are polygonal prisms, and the outer contour of the cross section of the support layers is orthohexagnal, so that when the road is assembled, tightness between the supporting layers is high, flatness is higher, the problem of uneven settlement of a foundation can be effectively solved, and the structure stability is maintained.