32results about How to "Achieve environmental friendliness" patented technology

The invention discloses a thermoplastic composite elastomer, and a preparation method and application of the elastomer. The thermoplastic composite elastomer comprises the following raw materials in parts by weight: 18.0-45.0 parts of thermoplastic elastomer, 26.0-73.0 parts of paraffin oil, 1.0-7.0 parts of polyhydric alcohol, 0.5-6.0 parts of a compatilizer, 32.0-166.0 parts of a filler and 1.0-5.0 parts of an assistant, wherein the thermoplastic elastomer is a composite of a polar thermoplastic elastomer and a nonpolar thermoplastic elastomer; the polar thermoplastic elastomer is one or two of acrylic rubber and a thermoplastic polyurethane elastomer; the nonpolar thermoplastic elastomer is one or two of a hydrogenated styrene-butadiene segmented copolymer and a polyolefin elastomer. Compared with the prior art, the thermoplastic composite elastomer achieves overall effects of environment friendliness, high bonding strength and excellent mechanical properties and is a preferable material of a plastic track.

The invention discloses inner column type umbrella-shaped expanding equipment and an expanding method thereof. The inner column type umbrella-shaped expanding equipment comprises an umbrella-shaped expanding device and a plurality of longitudinally-distributed inner columns; and the inner columns are pressure-bearing columns I or telescopic pressure-bearing columns or telescopic pull rods; when the number of the inner column is one, the inner column is located on the central axis of the umbrella-shaped folding rod set; when the number of the inner columns is larger than or equal to two, the multiple inner columns are distributed around the central axis of the umbrella-shaped expanding body device; the inner columns are combined or independently arranged; the combined arrangement of the inner columns comprises combined arrangement of a tie bar disc and the front end of the inner column and/or combined arrangement of a tie bar penetrating disc and the rear end of the inner column; when the inner columns are the pressure-bearing columns I, one ends of the pressure-bearing columns I are hinged to the front ends or the rear ends of all the folding rods, and the other ends of the pressure-bearing columns I are located between the front end and the rear end of the umbrella-shaped folding rod set; and when the inner columns are the telescopic pressure-bearing columns or the telescopicpull rods, the two ends of the telescopic pressure-bearing columns or the telescopic pull rods are fixedly connected with the front end and the rear end of the umbrella-shaped folding rod set respectively. The inner column type umbrella-shaped expanding equipment and the expanding method thereof are used for achieving the purpose of optimizing the pre-collection type three-hinge pressure-bearing structure.

The invention discloses a biological nano plastic, which is characterized in that the plastic comprises the following raw material components in parts by weight: 45-60 parts of plant fiber starch, 4-6 parts of glycerine, 40 parts of polyethylene, 20-40 parts of a polylactic acid, 60-80 parts of synthetic resin, 10-15 parts of additives, 5-8 parts of Pulullan, 2-4 parts of an antioxidant, 1-1.5 parts of an ultraviolet light absorber, and the like.

The invention discloses a biodegradable flame-retardant plastic film, which is prepared from the following raw materials in parts by weight: 85 parts of polyethylene, 20-30 parts of polylactic acid, 65-80 parts of a PBM degradable material, 10-15 parts of packing, 5-10 parts of pullulan, 2-4 parts of an antioxidant, 1-1.5 parts of an ultraviolet light absorber and 25-30 parts of nano flame-retardant composites. The oxygen-isolating biodegradable plastic film disclosed by the invention is prepared by blending extrusion and film blowing of mature modified starch biodegradable plastic master batches PBM and pullulan and film-grade LDPE in the market at present in the preparation method; good mechanical property of the film is ensured by using the characteristics of the LDPE; the environment friendliness of the film material is achieved by using the biodegradability of the PBM and the pullulan; the oxygen isolating property of the film material is improved by using high oxygen isolating property of the pullulan; the overall compatibility of the plastic film material is improved by using the structure similarity of the starch and the pullulan as carbohydrates; and regulation and control of the oxygen isolating property, the biodegradability and the like can be achieved by controlling the blending ratio of the LDPE/PBM/Pullulan system.

Biodegradable plastic is characterized by including the following raw materials in parts by weight: 45-60 parts of plant fiber starch, 4-6 parts of glycerinum, 40 parts of polyethylene, 20-40 parts of polylactic acid, 60-80 parts of synthetic resin, 10-15 parts of auxiliaries, 5-8 parts of pulullan, 2-4 parts of an antioxidant and 1-1.5 parts of an ultraviolet light absorbent.

The invention discloses a biodegradable plastic film which respectively comprises the following raw material components in parts by weight: 80 parts of polyethylene, 20-40 parts of polylactic acid, 60-80 parts of a PBM degradable material, 10-15 parts of a filling material, 5-8 parts of Pullulan, 2-4 parts of an antioxidant and 1-1.5 parts of an ultraviolet light absorber. The oxygen-isolating and biodegradable plastic film provided by the invention has the advantages that the mature modified starch biodegradable plastic master batch PBM, the Pullulan and film-level LDPE in the market are selected to be subjected to blending extrusion and film blowing in the preparation method at present, the characteristics of LDPE are utilized, and good mechanical property of the film is guaranteed; by utilizing the biodegradability of PBM and Pullulan, the environment friendliness of the film material is realized; by utilizing high oxygen isolating property of the Pullulan, the oxygen isolation property of the film material is improved; by utilizing the structural similarity of the starch and Pullulan serving as saccharides, the overall compatibility of the plastic film material is improved; and moreover, the blending ratio of the LDPE/PBM/Pullulan system is controlled, so that the oxygen isolation property, the biodegradability and the like can be regulated.

The invention discloses a hole reaming and pile sinking method for a static pile driver. The method comprises following steps that the static pile driver presses a pile to reach the preset depth; a drill of the static pile driver enters a drill hole from a pile inner hole so as to finish drilling; and the static pile driver presses the pile to the designed depth. By employing the method, a problem that piles are difficult to sink in sand layers, hard soil layers, differentiation layers and some soil layers in which piles cannot be easily pressed is solved. According to the method, the hole is reamed firstly, and then the pile is sunk. The method is characterized in that the noise is low, the counterweight is small, less soil is extruded, the operation is easy, and the structure is simple and reliable.

The invention discloses a chambering and pile sinking construction method for a static pile driver. The method comprises the steps that the static pile driver carries out primary pile pressing, drill pile holding and mounting are carried out, chambering is carried out, and the static pile driver carries out final pile pressing. The chambering and pile sinking construction method for the static pile driver solves the problem that pile sinking is difficult in a sand layer, a hard soil layer, a differentiation layer and other soil layers where piles cannot be pressed easily. According to the method, chambering is carried out first, then pile sinking is carried out, and the method has the advantages of being small in noise, small in additional weight, little in squeezed soil, simple in operation and simple and reliable in structure.

The invention belongs to the field of plastic film materials, and particularly relates to a preparation method of an oxygen-insulation and degradable plastic film. The preparation method is characterized by comprising the following steps: (1) mixing low-density polyethylene, pullulan, an antioxidant and an ultraviolet absorbent in a high-speed mixer for 25-35 minutes, and carrying out extruding granulation in a twin-screw extruder to obtain a master batch; and (2) mixing the master batch with a PBM degradation material, and carrying out extruding film blowing by adopting a plastic film blowingmachine to obtain the product. The oxygen-insulation and degradable plastic film provided by the invention can automatically decompose under the action of enriched oxygen and microorganisms, so thatdiscarded films can be completely degraded and digested by microorganisms in natural, and finally, carbon dioxide and water are generated. Compared with a LDPE film with a same thickness, the oxygen-insulation and degradable plastic film provided by the invention has an oxygen-insulation property improved by 40%. The preparation method provided by the invention has a simple process, high production efficiency and easy industrialization, and can be produced by using a common plastic film blowing machine.

The invention relates to a recycling method of fine dust and free formaldehyde generated in an artificial board production process. In the method, the discharged fine dust and free formaldehyde are collected in a thermal pressing and board cooling working procedure of the production process of fiberboards and particle boards, and then treated to be used for manufacturing of the fiberboards and the particle boards, wherein the fine dust is collected and conveyed to a sizing bin to be paved on the surface layers of the slabs of the particle boards or fiberboards, and free formaldehyde is dissolved, filtered, condensed and concentrated to obtain formaldehyde solution with concentration more than 10% to be used for manufacturing an urea-formaldehyde resin adhesive. By implementing the method, the reutilization rates of the fine dust and free formaldehyde achieve more than 90%, the shop working environment is significantly improved, the working efficiency is improved, and the environmental friendliness and resource saving of the production process of the fiberboards and particle boards are realized.

The invention relates to the field of pyrolysis stripping reactors, in particular to a direct heat supply type multi-stage series-parallel turbulent bed pyrolysis stripping furnace in a combustion flame furnace. The direct heat supply type multi-stage series-parallel turbulent bed pyrolysis stripping furnace comprises a furnace shell, and the furnace shell comprises an upper section furnace, a middle section furnace and a lower section furnace which communicate with one another; the upper section furnace is provided with an organic solid waste inlet and a gaseous mixture outlet; the middle section furnace is provided with a plurality of serially-connected groups of parallel turbulent micro-reaction beds; the lower section furnace is provided with a fuel burner, a pressure-temperature gas inlet and a residue outlet; and fuel is combusted through a fuel combustor to generate high-temperature flue gas which flows from bottom to top and is in direct contact with organic solid waste to provide heat. The direct heat supply type multi-stage series-parallel turbulent bed pyrolysis stripping furnace has the effects of improving the heat supply efficiency and the heat absorption efficiency of the organic solid waste pyrolysis stripping process and reducing the energy consumption.