358results about How to "Strong chemical resistance" patented technology

The invention discloses a PP/PA composite material used for a corrugated pipe, which is prepared by processing polypropylene, nylon, compatilizer, toughening agent, filling master batch, light stabilizer, heat stabilizer and processing aid. The PP/PA composite material is prepared by feeding the components into mixing equipment according to a proportion, and melting, mixing, scattering, extruding and granulating the components at the temperature of between 210 and 280 DEG C. The PP/PA composite material not only has higher toughness, excellent high impact resistance and bending property and extremely good high temperature resistance, but also are excellent in the aspects of surface gloss, abrasion resistance, chemical corrosion resistance, electric insulation and the like, and solves the defect problems of insufficient heat resistance of the conventional PP corrugated pipe, over-high price of the PA corrugated pipe; and in addition, a preparation method for the PP/PA composite material is simple and meets the requirement of industrialized production.

The invention relates to one-time sintered super-flat ink-jet penetrating porcelain tiles with three-dimensional decorative effects, and a manufacturing method thereof. According to the manufacturing method, a bottom green brick layer, a priming glaze slurry, a semitransparent glaze slurry, and a transparent glaze slurry are prepared respectively; the bottom green brick layer is subjected to following treatment respectively: a priming glaze layer is formed via priming glaze slurry pouring, jet printing of decorative patterns is carried out, a semitransparent glaze layer is formed via semitransparent glaze slurry pouring, and drying is carried out; obtained green bricks are printed with decorative patterns with ink-jet of penetrating ink and jet printing of a permeation promoter, and are allowed to stand for more than 5min; the obtained green bricks are printed with isolation glaze with water isolating performance via silk-screen printing, and are dried and cooled; the green bricks are coated with the transparent glaze slurry via pouring; the green bricks are subjected to one time sintering so as to obtain one-time sintered ink-jet penetrating porcelain tile semi-finished products with three-dimensional decorative effects; the semi-finished products are subjected to polishing via inelastic module technology so as to obtain the one-time sintered super-flat ink-jet penetrating porcelain tiles with three-dimensional decorative effects.

The powerful adhesive includes neoprene, grafting monomer, thickener, dispersant, adhesion promoter, catalyst, antioxidant, solvent, stuffing, etc. The present invention also discloses the preparation process of the adhesive, and the preparation includes introducing grafting monomer to neoprene molecule chain to raise the adhesion strength, selecting proper adhesion promoting resin to increase the initial adhesion force, and adopting mixed solvent to form high adhering performance. The adhesive has high solid content and excellent environment protecting performance, and has also excellent antiageing performance, high resistance to heat, oil, chemical and corrosion, high weather resistance, good mildew-proof performance, antibiotic performance, etc. and may be used for adhering timber, concrete, rubber, metal, gypsum board, brick and other building material.

The invention discloses a method for processing composite fiber material spiral stirrup. The method comprises the following steps of: gumming, premolding, semi-solidifying and drying, molding spiral stirrup, sizing and drying, and cutting and packaging. In the multiturn continuous closed-type composite material spiral stirrup of the invention, the continuous spiral composite material stirrup replaces the single-ring composite material stirrup, so that the spiral stirrup can save materials and man-hours in the same member, resists corrosion, and can also improve the bearing capacity of a girder or a column under the condition of constant section and equal spacing; the tensile strength of the composite material stirrup is three times that of steel bar; the weight is only one-fourth that of the steel bar; and the composite material stirrup has the advantages of no magnetism, water resistance, freeze resistance, strong chemical corrosive resistance and the like; and due to the adoption of a process for molding the composite fiber material spiral stirrup, the disadvantage that a conventional composite material is difficult to bend into the stirrups with different shapes after solidification and sizing is overcome, and the shape of the composite material steel bar can be changed so as to manufacture the spiral stirrup according to the requirements of people.

The invention relates to a colourful environmental-friendly synthesized polymer waterproof paint which comprises the following components in parts by weight: 3-7 parts of petroleum resin, 5-15 parts of styrene-ethylene-butylene-styrene (SEBS), 5-15 parts of styrene-butylene-styrene (SBS), 5-10 parts of thermoplastic polyurethane elastomer, 4-8 parts of terpene resin, 4-8 parts of poly-alpha-methyl styrene, 2-5 parts of tung oil, 10-15 parts of mica powder, 0.2-0.5 part of antiager D, 0.2-0.5 part of antioxidant 264, 0.2-0.5 part of defoaming agent, 0.3-0.5 part of ultraviolet absorber, 35-45 parts of 120 # solvent, 5-15 parts of butyl acetate and 1-3 parts of color paste. The paint has the characteristics of unique waterproof property, acid-base resistance, ultraviolet irradiation resistance, heat insulation, anti-aging property, high adhesion strength, water repellent, good leakage-resisting effect, heat resistance, frost resistance and good elongation; and the paint also has the advantages of wide application range, moderate price, environmental friendliness, durability and the like, and is convenient to use, thereby meeting the demand of people in a real life.

The invention provides a polyurethane resin composition, its preparation method, and using method of the same used as filling material of railway plate type dreg-free track convex block. The polyurethane resin composition is mainly used as filling material of railway plate type dreg-free track convex block, and mainly includes: polyether or polyester polyol, isocyanate or prepolymer of the same, pigment, filling and other auxiliary agent. Advantages of the prepared polyurethane resin are: construction manufacturability is better, bonding to cement of cured resin is good; the polyurethane resin is resistant of ultraviolet ray irradiation, moisture, heat, ageing and fatigue, and owns appropriate elasticity and integrated mechanical capability.

The invention relates to an inkjet infiltrating glazed porcelain tile and a preparation method thereof. The preparation method comprises the following steps: 1) preparing ground glaze slurry and transparent glaze slurry; 2) spraying the ground glaze slurry onto a blank, performing drying, coating a ground glaze layer with infiltrating ink and an infiltrating aid, and standing for more than 5 minutes to guarantee an infiltrating effect; 3) performing biscuit firing on the blank prepared in the step 2) at the temperature of 800 to 950 DEG C; 4) spraying the transparent glaze slurry onto the biscuit-fired blank in the step 3); 5) firing the blank, onto which the transparent glaze slurry is sprayed, prepared in the step 4) at the temperature of 1,150 to 1,230 DEG C, and then performing polishing to obtain the inkjet infiltrating glazed porcelain tile. Due to the fact that the ink infiltrates into the ground glaze layer after firing, the whole layer of transparent glaze is polished by a non-elastic module and then is polished to a ground glaze upper middle layer, so that local exposure can be avoided.

The invention discloses a mute water discharging pipe, belonging to the field of pipe materials. The mute water discharging pipe not only has a good noise reducing effect, but also has good mechanical performance, and has a three-layer structure, wherein the inner layer and the outer layer are polypropylene felts, and the middle layer is a sound-absorbing core layer; and the sound-absorbing core layer comprises the raw materials in parts by weight: 100-200 parts of polypropylene resin and 20-100 parts of noise-absorbing material, wherein the polypropylene resin is made of block copolymerized polypropylene, homopolymerized polypropylene or random copolymerized polypropylene; and the noise-absorbing material is selected from at least one of wollastonite, calcium carbonate, talcum powder, barium sulfate and silicon dioxide. The mute water discharging pipe disclosed by the invention has the advantages of excellent muting effect, superstrong chemical corrosion resistance, excellent high temperature resistance, good impact resistance, long service life and the like.

The invention relates to a geopolymer chemically-bonded ceramic tile and a preparation method thereof. The geopolymer chemically-bonded ceramic tile is prepared from solid wastes like fly ash, filtered steel and copper slag, and industrial-grade chemical raw materials. The unburned ceramic tile is prepared from, by mass, 60 to 75% of the solid wastes, 19 to 38% of a liquid activator, 1 to 3% of a base-material additive and 1 to 3% of a compound liquid additive by procedures like mixing, sieving and granulating. Due to implementation of a firing-free process, energy conversation and consumption reduction can be realized; pollution is reduced; meanwhile, performances of the geopolymer chemically-bonded ceramic tile can reach national standards of fired ceramic tiles. The geopolymer ceramic tile does not need to introduce calcined kaolin, and after 12 to 48 hours of easy and practicable special maintenance, a ceramic bonded three-dimensional network body is rapidly formed, so the ceramic tile reaches and is superior in a part of performances to the 60-day-age level of similar geopolymer materials; limited mineral resources are not consumed; and energy consumption of calcination is avoided. The geopolymer chemically-bonded ceramic tile provided by the invention can change wastes into treasures, significantly saves energy and reduces consumption, can be used as a novel building material and has extensive application prospects.

The invention belongs to the field of pipes, relates to an enhanced drainage pipe and mainly relates to a superstrong-muting PE (polyethylene) core layer micro-foamed drainage pipe which is suitable for wastewater discharging, engineering transforming projects and home decoration of villa communities, high-rise residential communities, high-grade residential apartment communities and the like and industrial building fields like water discharging, sewage discharging, waste discharging and the like of industrial enterprises. The superstrong-muting PE composite drainage pipe is a multilayer composite body formed by a high-density polyethylene resin inner layer, a middle PE micro-foamed layer and a high-density polyethylene resin outer layer, the thickness ratio of the inner layer, the middle layer and the outer layer is 1:4:1, and the PE micro-foamed layer is composed of regenerated polyethylene resin powder, inorganic filler or organic filler, natural fibers, a cross-linking agent, a coupling agent, a lubricating agent, a foaming agent and an antioxidant. The superstrong-muting PE core layer micro-foamed drainage pipe has excellent denoising and muting performance, superstrong resistance to chemical corrosion and good impact resistance.

The invention discloses a preparation method of a specific composite filter material for a coal-fired power plant electric bag integration project; in the preparation method, a dust facing surface is mixedly blended from PTFE fibers and PPS fibers, wherein the weight proportion of the PTFE fibers is 30 to 70 percent; base cloth is interwoven from 100 percent PTFE long filaments in longitude and latitude directions; a bottom layer is mixedly blended from the PTFE fibers and the PPS fibers, wherein the weight proportion of the PTFE fibers is 30 to 70 percent; and a plain blanket is formed through an acupuncture and spunlace composite process, and is soaked in chemical solvent, to prepare the specific composite filter material for the coal-fired power plant electric bag integration project. The preparation method overcomes the defects of the traditional electric bag integration project that the oxidizability and the acid corrosion of the flue gas are strong so the 100 percent PPS loses effectiveness because of oxidation and chemical corrosion, improves the oxidation resistance, prolongs the service life, improves the permeability, the tensile strength and the filtration precision of filter material, and reduces the operation resistance of the equipment.

The invention discloses a polyaspartate polyurea adhesive and a preparation method thereof. The polyaspartate polyurea adhesive comprises a component A and a component B spaced from each other before being used, wherein the component A and the component B are mixed at a weight ratio of 4 to (1-1.05) when being used; the component A comprises the following components in parts by weight: 4.0-5.0 parts of polyaspartate polyurea, 4.0-4.50 parts of fillers, 0.005-0.01 parts of a defoamer and 0.005-0.01 parts of a leveling agent; the component B is hexamethylene diisocyanate trimer. According to the polyaspartate polyurea adhesive, the component A and the component B are mixed, so that the bonding strength in a bonding process is high and especially the bonding strength between the adhesive and a cement matrix is high; moreover, the adhesive has excellent performances of chemical corrosion resistance, water resistance, weather resistance, temperature resistance, low VOC (volatile organic compounds), environmental protection and the like.

A method for making composite polyester brocade superfine fiber cleaning towel, using polyester brocade composite fiber as raw material, braiding to knit cloth with braiding art work, and the braided knit cloth is cut and sewn into cleaning towel after spotting, fiber-extracting, coloration, drying, finishing. It is characterized by the following: in the procedure deoil art work and fiber-extracting art work, put the knit cloth in water which bath ratio is 1:8-15 and contains scouring agent C-320 or scouring agent DN or scouring agent C-24, caustic soda, chelate dispersing agent 25DX or chelate dispersing agent PC680, elevating temperature in operation, thermal insulation, cooling, tapping, water scrubbing, tapping; the fiber number is no more than 0.13dtex after the composite fiber is extracted. The cleaning towel can easily removal the greasy dirt, stain using water alone and no chemical cleaning agent as cleaning agent, and no washmarking retained. All greasy dirt left in the cleaning towel can be clean in clean water easily. The cleaning towel has long lifetime.

The invention discloses high-compressive-strength recycled concrete and a preparation process thereof. The high-compressive-strength recycled concrete comprises the following components in parts by weight: 300-420 parts of reinforced recycled aggregate, 25-35 parts of recycled micro powder, 100-200 parts of natural coarse aggregate, 120-200 parts of natural fine sand, 120-170 parts of cement, 50-130 parts of fly ash, 50-120 parts of mineral powder, 6-12 parts of a waterproof agent, 0.8-2.2 parts of an air entraining agent, 120-160 parts of water and 20-35 parts of polypropylene mixed filler. The preparation process comprises the following steps: S1, weighing corresponding amounts of cement and natural fine sand, putting the cement and the natural fine sand into a stirrer, and stirring for40-60 seconds; S2, weighing the regenerated micro-powder, the fly ash, the mineral powder and the polypropylene mixed filler according to corresponding proportions, adding the weighed materials into the stirrer in the step S1, continuing to stir and mix for 30-40 seconds, adding half of the water according to the proportion, continuing to stir for 30-40 seconds, and mixing to obtain mortar with uniform color; and S3, adding the rest half of the water, the reinforced recycled aggregate, the natural coarse aggregate, the air entraining agent and the waterproof agent according to the proportion in the step S2, and continuously stirring for 60-80 seconds until the mixture is uniform.

The invention discloses a sandwich-structure fiber glass reinforced plastic inner floating plate for an oil storage tank and a manufacturing method of the sandwich-structure fiber glass reinforced plastic inner floating plate. The sandwich-structure fiber glass reinforced plastic inner floating plate comprises a sandwich-structure fiber glass reinforced plastic inner floating plate body. The sandwich-structure fiber glass reinforced plastic inner floating plate body comprises a floating plate and sealing devices surrounding the inner wall of the oil storage tank, and the sealing devices are installed between the floating plate and the inner wall of the oil storage tank. Each sealing device comprises a two-layer stainless steel part and Teflon sealing adhesive tape which are stacked together, wherein the Teflon sealing adhesive tape is tightly attached to the inner wall of the oil storage tank, one end of the two-layer stainless steel part and one end of the Teflon sealing adhesive tapeare downward, and the other end of the two-layer stainless steel part and the other end of the Teflon sealing adhesive tape are connected with an edge baffle through a stainless steel bolt with a stainless steel pressing part. The edge portion of the floating plate is connected with the corresponding sealing devices through the edge baffle surrounding the floating plate. The sandwich-structure fiber glass reinforced plastic inner floating plate for the oil storage tank is simple and unified in structure, low in weight, high in strength and rigidity, low in heat conductivity and good in chemical corrosion resistance, and has broad market prospects.

The invention provides an environment-friendly polycarbonate/polyester composite material and a preparation method and application thereof. The environment-friendly polycarbonate/polyester composite material is prepared from the following components in parts by weight: 30-80 parts of polyester, 20-60 parts of polycarbonate, 5-30 parts of glass fibers, 1-5 parts of an ester exchange inhibitor, 1-5parts of a flexibilizer, 0.5-10 parts of a compatilizer, 1-20 parts of a flame retardant, 0.1-1 part of an antioxidant, 0.1-1 part of an anti-UL agent, 0.1-1 part of a lubricating agent and 0.1-0.5 part of a coupling agent. The environment-friendly polycarbonate/polyester composite material provided by the invention has excellent mechanical properties, flame retardance and ageing resistance, the preparation method of the environment-friendly polycarbonate/polyester composite material is simple in process, and the production cost of the environment-friendly polycarbonate/polyester composite material is lowered.

The invention relates to three-dimensional order mono-disperse macropore material and its preparation method and functionalizing method. The three-dimensional order mono-disperse macropore material has 91%-98% syndiotactic polyvinyl alcohol arene, 80 nm-1000 nm average aperture. Its preparation method includes the following steps: using colloid crystal mold board method to make three-dimensional order mono-disperse macropore polyvinyl alcohol without water and oxygen by coordination polymerization; using copolymerization or chloromethylation to functionalize. It has the advantages of high melting point, quick crystallization rate, strong chemical resistance, good size stability, processing surface chemical modification, and wide application prospect in sensor, photon chip, photon band gap material preparation etc.

The invention relates to the field of polymer materials, and relates to a continuous long fiber reinforced PPS composite material and a preparation method thereof. The composite material comprises the following components by weight: 450-650 parts of polyphenylene sulfide, 300-500 parts of a continuous fiber reinforced agent, 5-10 parts of a coupling agent, 10-30 parts of an antioxidant and 10-20 parts of a lubricant. Compared with the prior art, an engine cooling water pump impeller made from the material through injection moulding has characteristics of light weight, good dimensional stability, stable working dynamic balancing performance, strong resistance to chemical corrosion and high strength; an automobile water pump using the continuous long fiber reinforce PPS impeller has smooth working performance, high efficiency and long service life, and can work normally at the temperature of -40 DEG C to -140 DEG C.