45results about How to "Has a reinforcing effect" patented technology

The invention discloses a permeation type organosilicone emulsion for the surface of a building and a preparation method of the permeation type organosilicone emulsion. The permeation type organosilicone emulsion consists of the following ingredients in percentages by mass: 30.0-45.0 parts of alkoxy silane, 10.0-15.0 parts of polyorganosiloxane, 2.0-5.0 parts of fluoroalkyl silane, 0.5-1.0 part of a permeation enhancer, 3.0-6.0 parts of a surfactant, 1.0-2.0 parts of a stabilizer and 20.0-45.0 parts of deionized water. The waterborne organosilicone emulsion disclosed by the invention has good permeation depth on fly ash masonry, 95 black bricks and C30 concrete structures, water absorbing amount of concrete is reduced effectively, and alkali resistance and ultraviolet light resistance are excellent. The permeation type organosilicone emulsion for the surface of the building is convenient to prepare, stable in storage, environmentally friendly, convenient to use and high in durability.

The invention discloses a method for treating stripping diseases of medium bed in loess slopes. The method comprises the following steps: slopes are renovated; a layer of nutrient wheat straw mud which is formed by evenly stirring of a mixed material and water according to the volume rate of 2.5 : 3.5 to 1 is painted on the renovated slope; the mixed material is evenly mixed by wheat straw stalks, clay, mixed fertilizer and grass seeds according to the volume rate of 25-35:58-62:0.5-1.5:8.5-9.5; the mixed fertilizer is a chemical fertilizer or a fertilizer which is evenly mixed by the chemical fertilizer and farmyard manure according to the proportion of 15-25:5-15; the chemical contains 10 wt% to 15 wt% of nitrogen and 15 wt% to 20 wt% of potassium phosphate; a metal net is covered on the painted nutrient wheat straw mud layer; the covered metal net is laid with a layer of non-woven fabric; and maintenance is carried out to the nutrient wheat straw mud. The invention has simple and easy operation, low cost and good treating effect and can effectively solve the problem of stripping diseases of medium bed in loess slopes.

The invention relates a carbon black color master batch for polyethylene (PE) pipes and a preparation method thereof. The carbon black color master batch for PE pipes comprises the following components: 100 parts by weight of ultrahigh molecular weight PE with molecular weight of 1,500,000-4,000,000, 35-100 parts by weight of carbon black, 1.75-20 parts by weight of pyridine styrene butadiene copolymer and 0-10 parts by weight of antioxidant. The invention also provides a preparation method of the carbon black color master batch for PE pipes and a preparation method of a PE100 pipe mixing ingredient.

The invention discloses a slow wave structure based on a semiconductor-filled metal waveguide structure. The slow wave structure comprises a uniform metal hollow waveguide pipe wall, an air gap and a conical filled high-refractive index semiconductor medium strip. In the slow wave structure, by utilizing the abnormal characteristic that the direction of energy flow in the air gap is opposite to that of energy flow in media when electromagnetic waves are transmitted in a high-refractive index semiconductor-filled waveguide structure and selecting parameters of the waveguide structure reasonably, the average energy flow of the electromagnetic waves with different frequencies in air and the average energy flow of the electromagnetic waves with different frequencies in a semiconductor at the corresponding position of waveguide are approximate, so the electromagnetic waves have extremely low group velocity. When the electromagnetic waves enter a port and are transmitted along the waveguide, the group velocity of the electromagnetic waves is reduced gradually, and the energy of the electromagnetic waves is enhanced gradually until the electromagnetic waves reach specific parts corresponding to the frequencies; and waveguide parts in which the electromagnetic waves with the different frequencies can reach are different from one another, so the frequency division, field restriction and reinforcing effects of the electromagnetic waves are realized simultaneously by the structure.

The invention belongs to the technical field of road material additives and relates to an asphalt fire retardant for a tunnel pavement. The retardant comprises the following ingredients in parts by mass: 5-30 parts of expanded perlite, 5-30 parts of expanded vermiculite, 10-50 parts of expandable graphite, 10-50 parts of nitrogenated fire retardant and 2-10 parts of mineral fiber. Compared with the prior art, the retardant has the following advantages that the retardant is free from halogen and does not generate much smoke or corrosive gas in a combustion process; a low density expansion substance serves as the fire retardant, so that the storage stability of asphalt is improved; the adopted expanded vermiculite, the expanded perlite and the expandable graphite can expand at high temperature; an expansion ratio of the nitrogenated fire retardant can be increased compared with the individual nitrogenated fire retardant, so that the fire retardance is improved; the mineral fire retardant fiber is employed, has a reinforcement effect on an asphalt mixture and can improve the pavement performance in addition to fire retardance; and a preparation method is simple and low in cost and does not require special equipment.

The invention discloses a bio-based reinforced plasticiser-eucommia ulmoides resin and a preparation method thereof, and bio-based reinforced plasticiser-eucommia ulmoides resin and the preparation method thereof are applied to the field of rubber industry plasticisers. Traditional rubber plasticisers all come from fossil resources, belong to non-renewable materials and can deteriorate the mechanical property of rubber. The eucommia ulmoides resin can improve the processing property of the rubber and reduce energy consumption, also can improve the mechanical property of the rubber and overcome the defect that the traditional plasticisers achieve plastification and do not achieve reinforcement and is a novel, renewable, green and environment-friendly bio-based reinforced plasticiser. A rubber material modified by the eucommia ulmoides resin has the advantages that the Mooney viscosity is reduced, the vulcanizing time is shortened, the tensile strength and the tear strength are improved, the elongation at break is increased, and the dynamic fatigue property is improved. The eucommia ulmoides resin is an important composing part of comprehensive development of eucommia ulmoides gum, can enable by-products obtained through eucommia ulmoides gum production to be effectively utilized and has the advantages that the raw material utilization efficiency is improved, waste materials are changed into things of value, the environment is protected, the production process is simple and convenient, the production cost of the eucommia ulmoides gum is lowered, and the economic benefit and the social benefit are significant.

The invention discloses a composite door and window grouting mortar and a use method thereof, wherein the composite door and window grouting mortar comprises a powder material and a liquid material, the powder material comprises, by weight, 50-65 parts of cement, 15-25 parts of a mineral admixture, 10-16 parts of a compacting agent, 0.2-0.4 part of an anti-shrinking agent, 3-5 parts of polystyreneparticles, 0.1-0.3 part of cellulose ether, 0.3-0.5 part of a thixotropic agent, 0.2-0.4 part of a water repellent, and 0.05-0.3 part of a water reducing agent, and the liquid material comprises, byweight, 20-35 parts of a polymer emulsion, 0.1-0.5 part of a defoamer, 0.05-0.6 part of a dispersant, 0.03-0.2 part of an antibacterial agent, and 60-70 parts of water. The invention further disclosesa use method of the composite door and window grouting mortar. According to the present invention, the composite door and window grouting mortar has advantages of excellent bonding ability, excellentimpermeability, good reinforcement ability, good anti-deformation ability, shrink cracking resistance, simple use and construction period shortening.

The invention relates to a preparation method of thick and high-tenacity bonding type powdered neoprene. The preparation method comprises the following steps of adding neoprene, a thickening agent, water and a molecular weight regulator to a polymerizing pot in sequence; replacing with nitrogen; agitating and heating; adding an initiating agent and an activating agent while the temperature of the polymerizing pot reaches 20 to 35 DEG C; performing graft polymerization reaction at 30 to 50 DEG C; adding a termination agent after the polymerization conversion rate reaches 65 to 75% in order to obtain graft neoprene latex; adding the graft neoprene latex to a condensation kettle; adding a parting agent and a coagulant under the coagulation temperature of 10 to 30 DEG C; uniformly agitating and mixing; heating to reach 20 to 60 DEG C for ageing for 4 to 6 hours; and then separating, dehydrating and drying to obtain thick and high-tenacity bonding type powdered neoprene. The prepared powdered neoprene has the characteristics that the powder size ranges from 0.60 to 1.20mm, the powdered ratio is not less than 99.5%, the ash content is not greater than 0.10%, the volatile matter is not greater than 0.12%, the swelling time is 2 to 15 seconds, the dissolution needs 1 to 3 hours, and the peeling strength is not less than 90N/cm.

The invention discloses an anti-aging PC/ABS alloy plastic and a preparation method thereof. The alloy plastic is prepared from the following components: 40-70 parts of PC, 20-30 parts of ABS, 3-8 parts of a toughening agent, 0.5-1 part of an antioxidant, 5-10 parts of modified bamboo charcoal powder and 1-2 parts of a lubricant, wherein the modified bamboo charcoal powder is obtained by performing high-temperature activation on bamboo charcoal powder and performing modification by using copper sulfate. According to the method provided by the invention, the modified bamboo charcoal powder andthe phenolic antioxidant are combined, so that the aging resistance of the PC/ABS alloy plastic is significantly improved; and the bamboo charcoal powder is modified by high-temperature activation andcopper sulfate impregnation, so that the stability of the phenolic antioxidant in the plastic system is improved, the anti-aging performance is facilitated, and the long-term thermal oxidation and weather resistance of the PC/ABS alloy plastic are improved; at the same time, the bamboo charcoal powder has a certain reinforcing effect, so that the mechanical properties of the alloy plastic is increased; and the bamboo charcoal powder has the adsorption properties, so that the plastic smell can be reduced to some extent.

The invention relates to waterborne environment-friendly paint and a preparation method thereof, and belongs to the field of waterborne paint. The waterborne environment-friendly paint is formed by adopting polyurethane modified acrylic latex as a main raw material, adding alkylate modified gas phase method white carbon black, a dispersing agent, a flatting agent and a defoaming agent and dispersing them in water, and has the excellent tenacity, abrasion resistance, acid resistance and hardness. The adopted alkylate modified gas phase method white carbon black has the thickening and reinforcing effects, and is good in dispersibility. The adopted waterborne amine curing agent has the functions of an emulsifier and a curing agent, and can be mixed with other components to obtain the stable waterborne paint system. The waterborne environment-friendly paint obviously lower VOC volatilization, and transition to the environment-friendly paint from a traditional solvent type paint is achieved, in accordance with the environment-friendly development trend. The preparation method is simple, feasible and good in stability and repeatability and easily achieves industrial production.

The invention relates to the technical field of accessory devices of automobile attached components, in particular to a luggage rack for a new energy automobile. A cross rod of the luggage rack for the new energy automobile can be conveniently adjusted and detached to protect the original structure of a new energy automobile body, reduce the destructiveness and improve the adapting capacity; and moreover, luggage can be convenient to fetch and place without using other tools so that the use limitation is reduced. The luggage rack for the new energy automobile comprises the cross rod and a luggage basket; a placing chamber is formed in the luggage basket; the luggage rack for the new energy automobile comprises a left fixing clip, a left movable clip, a sliding sleeve, a right fixing clip,a right movable clip, a left adjusting screw rod and a right adjusting screw rod; the cross rod comprises a left cross rod and a right cross rod; a sliding chamber is formed in the sliding sleeve; anupper slide block and a lower slide block are respectively arranged on the inner top wall and the inner bottom wall of the sliding chamber; the luggage rack for the new energy automobile comprises twogroups of first connecting rods, two groups of second connecting rods, two groups of third connecting rods, two groups of fourth connecting rods and two groups of fifth connecting rods; and a plurality of groups of cross ladders are transversely arranged between the two groups of first connecting rods, the two groups of second connecting rods, the two groups of third connecting rods, the two groups of fourth connecting rods and the two groups of fifth connecting rods.

The invention discloses an application method of a bag grouting pile in a soft soil foundation of a railway. A grout mixing and storing system, a mud jacking pump and a grouting pipe applicable to high pressure are contained, wherein the grout mixing and storing system comprises a grout mixing barrel and a grout storing barrel, one end of the mud jacking pump is connected with the grout storing barrel, and the other end of the mud jacking pump is connected with the grouting pipe through a sprinkler recorder, and a geotextile bag is tied outside the grouting pipe. Cement grout is injected to form the pile under high pressure by use of the mud jacking pump and the grouting pipe, the swollen geotextile bag plays a role in compaction on peripheral soil mass through extrusion, a pile body obtained after the geotextile bag is hardened and pile space soil form a manual composite foundation, so that the stability and the bearing force of the foundation are greatly improved, defects that diffusion is easily caused during conventional grouting, the pile forming property is poor, the reinforcing range is not clear and the like are overcome, the flow direction of grout can be controllable instead of out of control, the strength of a reinforcing composite body is turned to be measurable instead of difficult to measure, engineering waste can be reduced, and grout loss and environmental pollution are avoided.

The invention discloses a rubber plug for a puncture-type infusion connecting member heparin cap and belongs to the technical field of medical instruments. The rubber plug comprises, by weight, 100 parts of isoprene rubber, 3-5 parts of transparent zinc oxide, 1-3 parts of stearic acid, 1-1.3 parts of sulfur, 0.1-0.4 part of promoter TRA, 0.1-0.3 part of promoter TMTM and 5-8 parts of lightweight magnesium carbonate. The rubber plug has the advantages of stable physiochemical and biological performance, excellent compatibility with medicine, resistance to perforation, good closing performance after puncture and capability of meeting clinical using needs.

The environment-friendly odorless asphalt mixture is prepared from the following raw materials in parts by weight: 10 to 20 parts of asphalt, 30 to 45 parts of cement, 5 to 10 parts of limestone mineral powder, 4 to 9 parts of fiber modifier, 2 to 5 parts of stearic acid modified magnesium oxide body, 1 to 3 parts of odorless agent and 3 to 6 parts of ceramic micro powder. According to the asphalt mixture, the asphalt and the cement are matched to serve as a base body, the limestone mineral powder and the ceramic micro powder serve as mineral aggregate additives, the performance of a product is enhanced, and the fiber modifier and the stearic acid improved magnesium oxide have a synergistic effect and jointly enhance the anti-cracking performance of the asphalt; by adding stearic acid to improve magnesium oxide, the reinforcing effect is achieved, and the low-temperature and high-temperature crack resistance of the product can be stabilized.

The invention belongs to the technical field of inorganic membrane materials, and particularly relates to a ceramic flat sheet membrane for perishable garbage sewage treatment and a preparation method thereof. The invention provides the ceramic flat sheet membrane for perishable garbage sewage treatment. The ceramic flat sheet membrane comprises an aluminum oxide ceramic flat sheet membrane support body, a separation membrane layer and a polymer membrane layer, wherein the outer surface of the ceramic flat sheet membrane support body is coated with the separation membrane layer; the support body comprises aluminum oxide powder, a binding agent, a dispersing agent and a pore forming agent; the separation membrane layer comprises aluminum oxide powder, styrene oxide modified calcite powder, a binding agent, a dispersing agent and a pore forming agent; and the polymer film layer is perfluoropolyether carboxylic acid cross-linked dehydroabietylamine. The ceramic flat sheet membrane is good in surface hydrophilicity, high in water flux, high in mechanical strength, good in filtering performance, excellent in anti-pollution performance and long in service life.