69results about How to "Play a role in thickening" patented technology

The present invention relates to emulsified asphalt, and is especially one kind of semi-solid emulsified asphalt with high asphalt concentration and in jelly state. The semi-solid emulsified asphalt consists of asphalt, surfactant, water, etc. The present invention features that the re-compounding of cationic surfactant and non-ionic surfactant increases the micelle concentration of emulsifier in the oil-water interface, and raises the emulsifying capacity of surfactant and the stability of emulsion. The product has high stability, high asphalt concentration and semi-solid state, and may be packed in plastic bag for easy storage and transportation in low cost. Before use, it may be diluted at will without needing demulcification. The product of the present invention may be used widely.

The invention relates to a preparation method of a polymer weak gel deep profile control agent. The preparation method comprises the following steps of preparing sodium carboxymethyl cellulose and distilled water into sodium carboxymethyl cellulose water solution of which the mass percentage is 1%-2%; adding acrylamide of which the mass is 2-8 times as great as that of the sodium carboxymethyl cellulose into the sodium carboxymethyl cellulose water solution, and then adding a cross-linking agent which accounts for 0.01%-2% of the total weight of the sodium carboxymethyl cellulose and the acrylamide; enabling nitrogen to enter into a closed system and isolating the air, and adding an initiating agent which accounts for 1%-2% of the total mass of the sodium carboxymethyl cellulose and the acrylamide; and discharging after carrying out constant-temperature reaction for 4-12 hours under the temperature of 30-60 DEG C. According to the preparation method disclosed by the invention, the acrylamide is grafted to the sodium carboxymethyl cellulose, polymer weal gel with a mesh structure is formed under the action of the initiating agent and the cross-linking agent, and a polymer weak gel system integrates the advantages of the sodium carboxymethyl cellulose and the acrylamide.

The invention belongs to the technical field of a tackifying crosslinking agent, and particularly relates to an organic silicon hydrogen-containing tackifying crosslinking agent for addition type silicon rubber and a preparation method thereof. The tackifying crosslinking agent is prepared by performing addition reaction on high-hydrogen-content silicon oil or D4H and vinyl cyclohexene oxide or allyl glycidyl ether and then adding inhibitors. The process is simple; the reaction conditions are mild; the therepeatability and the controllability are good; the impurities in the reaction process are few; organic solvents are not used; the environment is protected; no pollution is caused. The obtained tackifying crosslinking agent has the stable performance; the tackifying and crosslinking effects can be achieved at the same time. The compatibility with silicon rubber is good; no catalyst poisoning phenomenon exists; the bonding performance of the addition type silicon rubber with metal suchas copper foil can be obviously improved; in addition, the refractive index of the organic silicon hydrogen-containing tackifying crosslinking agent is adjustable and controllable in a range of 1.40to 1.55, so that the tackifying crosslinking agent is applicable to the silicon rubber with (high and low) different refractive indexes.

The invention discloses health tender beef sauce and a producing method thereof. The beef sauce comprises the following materials: 150-200 parts of beef, 10-15 parts of hawthorn powder, 20-25 parts of papaya, 6-8 parts of Mogrosides, 10-15 parts of sunflower seed oil, 3-5 parts of salt, 10-15 parts of bean paste and 200-300 parts of magnetized water. The beef sauce provided by the invention has the advantages of being fresh in taste, tender in meat quality, non-greasy, nutritive and healthy, and the like.

The invention discloses a high and low temperature-resistant conductive organosilane pressure-sensitive adhesive and a preparation method and application thereof. The high and low temperature-resistant conductive organosilane pressure-sensitive adhesive is prepared from the following components in parts by weight: 100 parts of silicon rubber, 50 to 100 parts of silicon resin, 35 to 40 parts of conductive filler, 0.15 to 1.5 parts of condensation catalyst, 1 to 2 parts of crosslinking agent, and 20 to 30 parts of organic solvent. The high and low temperature-resistant conductive organosilane pressure-sensitive adhesive has the advantages that the temperature-resistant range is wider; the stable high stripping strength and viscosity-maintaining property can be maintained under the high temperature environment of 240 DEGC or above and the low temperature environment of -40 DEG C or below, the good conductivity can be maintained, and the higher viscosity and conductive property can be still maintained in the temperature change process; the high and low temperature-resistant conductive organosilane pressure-sensitive adhesive can be applied to the occasions requiring circuit connecting,such as installation of electronics and electric appliances, so as to reach the function of using adhering to replace welding.

The invention has provided a method to produce the foamed aluminium-silicon alloy which can control the density and the aperture. The method is: first to heat the 20-45 um blister at 400-450 deg.C, then to mlt the aluminium-silicon alloy and add 3-5% Al powder, next cooling the composite fusant to 600-620 deg.C and adding into 1-3% blister, last to rise the temperature to 650-680 deg.C. So when it cool, we can get the material. We can get the different density and aperture foamed aluminium-silicon alloy by changing the content of Al powder blister and cotnrolling the temperature of fusant or foaming.

The invention discloses a phosphorus-containing flame-retardant polyester ionomer / nanocomposite material and a preparation method thereof. The phosphorus-containing flame-retardant polyester ionomer / nanocomposite material is prepared by in-situ polymerization of terephthalic acid or dimethyl terephthalate, ethylene glycol, phosphorus-containing ion monomers (i) or phosphorus-containing ion monomers (ii), inorganic nanoparticles or / and organic modified inorganic nanoparticles. The numbers of phosphorus-containing ion group structure units in the composite material account for 2% to 5% of the numbers of structure units of the terephthalic acid or the dimethyl terephthalate in the composite material. The content of the inorganic nanoparticles or / and organic modified inorganic nanoparticles accounts for 0.5 to 10% of the total mass of the composite material. Meanwhile, the phosphorus-containing flame-retardant polyester ionomer / nanocomposite material is excellent in flame retardance, melt drip resistance and crystallization resistance. The intrinsic viscosity of the phosphorus-containing flame-retardant polyester ionomer / nanocomposite material can reach 0.6dL / g to 1.0dL / g. Thus, the phosphorus-containing flame-retardant polyester ionomer / nanocomposite material can be directly taken as a raw material used for preparing fibers, engineering plastics, thin films and the like.

The invention provides a tackifier, a drilling fluid containing the tackifier, and a stock solution of the drilling fluid. The tackifier is characterized by being able to be passivated and activated. The stock solution of the drilling fluid consists of water, bentonite, polyanion cellulose, xanthan gum, the tackifier and a passivator at the mass part ratio of (85-90) to (4-6) to (0.4-0.6) to (0.3-0.4) to (6-10) to (0.2-0.3). The drilling fluid consists of the stock solution, an activating agent and water at the mass part ratio of (35-85) to (0.2-0.3) to (15-16). The drilling fluid consists of a water solution of the stocking solution and the activating agent, and under the action of the reactivating agent, the passivated tackifier is activated to play a role of tackifying, thereby making up the declination of viscous force and shearing force of the drilling fluid due to dilution of a large quantity of water, and further meeting the requirements on drilling on a deep-water surface.

The invention discloses a foam drainage agent with resistance to high-content gas condensate and resistance to high mineralization and a preparation method of the foam drainage agent, and belongs to the technical field of materials for gas well mining in oil-gas fields. The foam drainage agent includes the following raw material components: in percent by mass, 20-35% of a zwitterionic surfactant,1-5% of a fluorocarbon surfactant, 1-5% of an anionic surfactant, 1-5% of cocinic acid monoethanolamide and the balance water. The preparation method comprises the steps: performing weighing, stirring, mixing and heating, and performing dissolution so as to obtain the foam drainage agent finished product. Through arrangement of the specific raw materials and the ratios, good resistance to high-content gas condensate and resistance to high mineralization are achieved, and it is ensured that the foam drainage agent can have excellent capacity of foam generation, foam stabilization and liquid carrying under the conditions of high-content gas condensate and high mineralization; and meanwhile, the foam drainage agent has a wide range of raw material sources, low price, a simple production technology, low requirements of equipment and environments and large-scale production.

The invention discloses special self-adhesive glue applied to waterproof rolls and belongs to the technical field of chemical binders. The special self-adhesive glue applied to waterproof rolls is prepared from the following raw materials in parts by weight: 30-40 parts of a component A, 10-20 parts of a component B, 6-8 parts of elastomers, 4-6 parts of active additives, 60-80 parts of compatilizers, 40-80 parts of tackifying resin, 10-20 parts of fillers and 3-5 parts of anti-aging agents, wherein the component A is prepared from phenolic resin, borax, butyl acrylate, crylic acid and benzoylperoxide; the component B is prepared from styrene-butadiene-styrene block copolymers and plasticizers. The special self-adhesive glue applied to the waterproof rolls can be effectively bonded with concrete base surface, is firm in adhesion and high in durability, and is capable of effectively ensuring the waterproof effect of the waterproof rolls.

The invention discloses a converter final slag thickening method. The converter final slag thickening method includes the steps that firstly, after oxygen is blown for 10 minutes, gun pressing operation is conducted, in other words, the position of the gun is reduced by 200 mm, the oxygen pressure is kept between 0.75 MPa and 0.80 MPa, and duration is larger than 40 seconds; secondly, through a sampling laboratory test, and when the carbon content of molten steel is higher than the requirement of a smelting steel grade or the temperature of the molten steel is lower than the requirement of the smelting steel grade, reblowing treatment is conducted; thirdly, raw dolomite or lime is added so as to serve as a thickening material before steel is placed, and the addition amount of steel ranges from 2 kg / t to 5 kg / t. Through the optimization of converter end point gun pressing and reblowing, the FeO content of furnace slag is reduced, the metal yield is increased, the slag blocking success rate can be increased, the steel ladle slag amount is reduced, rephosphorization is reduced, the splashed slag furnace protecting effect can be improved, the furnace age can be prolonged, the slag amount requirement for slag residual operation is guaranteed, and lime consumption can be reduced.

The invention belongs to the field of tertiary oil recovery, and particularly relates to an amphiphilic polymer oil-displacing agent with a biquaternary ammonium salt long chain structure and a preparation method of the amphiphilic polymer oil-displacing agent. For the technical problem that the salt resistance of an oil-displacing agent adopted in the prior art is frequently poor, the oil-displacing agent with good salt resistance, viscosifying action and shear resistance is provided. Firstly, N,N-dimethylhexadecylamine and cis-1,4-dichloro-2-butene are taken as raw materials to synthesize adouble-branched cationic hydrophobic monomer N,N'-bis(hexadecyl dimethyl)-1,2-chloride-2-butene-ammonium salt (CC16-DMBAC), then the CC16-DMBAC and acrylic amide (AM) perform copolymerization, a cationic group and a hydrophobic long chain are introduced onto an acrylic amide main chain, so that polymer molecules form a three-dimensional network structure with a certain strength by virtue of a hydrophobic interaction function among the molecules, and the oil-displacing agent has viscosifying action and good shear resistance and salt resistance.

The invention discloses a terahertz silica gel material, which is prepared from the following ingredients in parts by weight: 80-100 parts of silica gel main material, 4-9 parts of terahertz mineral powder, 2-5 parts of magnetic graphene, 8-12 parts of hollow porous carbon nanoparticles, 2-5 parts of negative ion powder, 1-4 parts of nano silver, 4-6 parts of hydroxyl silicone oil, 8-23 parts of white carbon black, 2-5 parts of high vinyl silicone oil, 13-19 parts of EVA resin, 10-24 parts of spherical alumina, 0.5-1.2 parts of a KH-550 silane coupling agent, 1-3 parts of dimethyldimethoxysilane, 0-2 parts of pigment, 0.2-0.5 part of a vulcanizing agent and 0.1-1.5 parts of an accelerant, and the invention further discloses a preparation method of the terahertz silica gel material. The terahertz silica gel material provided by the invention has a cold hand feeling, is skin-friendly, smooth, antibacterial and mildewproof, has good mechanical properties and thermal conductivity and can stably emit terahertz wave and negative ions, and the magnetic fields of the magnetic graphene can jointly give play to a health care efficacy.

The invention discloses a preparation method of an addition-type liquid silicon rubber tackifier and belongs to the technical field of chemical synthesis. The preparation method includes following steps: adding two-functional-group alkoxy silane into a reaction kettle; well mixing an acidic catalyst with water, and stirring while dropwise adding a mixture of the acidic catalyst and the water into the reaction kettle at normal temperature; heating to 50-80 DEG C for reaction for 1-5h; vacuumizing to remove low-boiling-point substance to obtain a colorless to buff product. The silicon rubber tackifier is prepared through two-step reaction of hydrolytic condensation and graft polymerization, so that molecular structure of the tackifier can be better controlled, and gel generation is reduced. In addition, an organic metal complex is introduced to serve as the catalyst and can play a role in tackifying in the subsequent process of silicon rubber curing, so that bonding effect of the tackifier is improved.

The invention relates to the technical field of ink processing, and particularly relates to a light-fast and oxidation-resistant ink composition for a writing pen. The ink composition is prepared fromthe following components: a coloring agent, a bright pigment, water-soluble resin, thermoplastic polyurethane resin, dextran, fucoidan, polycarbodiimide, an organic solvent, a stabilizer, a corrosioninhibitor, a lubricant, a preservative and water, wherein the organic solvent is a mixture formed by compounding propylene glycol, diethylene glycol and isopropanol according to a mass ratio of 1 to1 to 5; the lubricant is glycerol or polyether modified silicone oil; and the preservative is a mixture of mannan and propyl p-hydroxybenzoate according to an equal mass ratio. The ink composition hasthe advantages of being good in writing performance, high in stability, outstanding light-fast and oxidation-resistant performance and little possibility of color fading.

The invention discloses modified graphene rubber and a preparation method thereof. The modified graphene rubber comprises the following raw materials in parts by weight: 20-40 parts of butadiene rubber, 20-40 parts of natural rubber, 10-20 parts of modified graphene, 10-15 parts of solvent-free resin, 5-10 parts of a silane coupling agent, 1-5 parts of , nanometer aluminum oxide, 1-5 parts of nanometer silicon dixode, 5-15 parts of sepiolite fiber, 3-7 parts of decabromodiphenylethane, 1-3 parts of an accelerant and 0.5-1.5 parts of a tackifier. The modified graphene rubber prepared by the preparation method provided by the invention has high strength and good wear resistance; the preparation method has a simple production process and is suitable for wide application.

The invention relates to a method for making amino albumin powder capable of capturing formaldehyde, which is characterized by comprising the steps of: cleaning, softening, hydrolyzing, neutralizing and sedimenting, dewatering and drying, crushing, ammonifying, preparing albumin powder, packaging, treating sewage and the like. An intermediate obtained in the emmonifying step is amino albumin which does not contain formaldehyde and has the function of capturing the formaldehyde and wide application range, therefore, the amino albumin can be used for replacing an aldehyde adhesive for preparing various boards, and the prepared boards have high strength and good weather resistance. The final product is the amino albumin powder which has the advantages of easy package, easy transportation, storage resistance, no degeneration, less consumption and the like except for the functions of the amino albumin. And the used raw materials are waste animal furs and hoof shells. The invention has the advantages of easy obtaining of the raw materials, low cost, simple process, and no pollutant emission during the production, and is beneficial to the environment protection.

The invention discloses a wood-plastic composite floor board and a preparation method thereof, which belongs to the field of construction materials. The preparation method comprises the following steps: mixing diatomite and a coupling agent, ball milling to obtain ball abrasive, open mixing the ball abrasive, blended rubber, polyurethane resin, ethylene vinyl acetate, polymethyl methacrylate, sulfur, accelerant, an antiaging agent and plasticizer, standing, parking, obtaining an intermediate layer, uniformly mixing PVC resin, modified polypropylene, modified carbonized rice hulls, zinc stearate, antioxidant, silane coupling agent KH-560 and plasticizer, calendaring into sheets, obtaining a matrix layer, finally adopting the matrix layer as a bottom layer, laying an intermediate layer on the matrix layer, laying a surface layer on the intermediate layer, molding by hot pressing, and cutting, thus obtaining the wood-plastic composite floor board. The wood-plastic composite floor board has the beneficial effects: the wood-plastic composite floor board has relatively high bending strength and elastic modulus, relatively good bending performance and is uneasy to have cracks in the application process.

The invention discloses an anti-alopecia anti-dandruff shampoo, which is characterized by being prepared from the following components in parts by weight: 5-10 parts of ketoconazole oleate-based functional copolymer, 3-6 parts of arginyl-prolyl-proline sulfate, 2-7 parts of palmitoleic acid lauryl ester modified retinyl stearate, 15-25 parts of 2-[tris (hydroxymethyl) methyl] amino] ethane sulfonic acid modified vitamin b6, 10-20 parts of rice washing water, 1-3 parts of rice vinegar, 10-15 parts of anti-alopecia anti-dandruff Chinese herbal medicine extract and 80-90 parts of water. The invention also discloses a preparation method of the anti-alopecia anti-dandruff shampoo. The anti-alopecia anti-dandruff shampoo disclosed by the invention has the advantages of remarkable anti-alopecia effect, good finished product stability, less stimulation to human skin, dandruff removal, itching relief and excellent sterilization performance, can effectively slow down the generation of dandruff,promotes scalp blood circulation, effectively inhibits the secretion of scalp grease, and improves the absorption of hair follicles to nutrient components.

The invention relates to probiotic fermented yoghourt and a production process thereof, and relates to the technical field of yoghourt. The probiotic fermented yoghourt comprises the following components in parts by weight of 20-30 parts of milk powder, 4-6.5 parts of whey protein powder, 10-15 parts of potato plants, 1-1.5 parts of cane sugar, 0.9-1.6 parts of essential oil, 3-5 parts of fermentation strains, 0.5-0.8 part of pectin, 1.2-1.6 parts of agar, 0.3-0.7 part of acetylated distarch phosphate, 0.4-0.6 parts of diacetyl tartaric acid monoglyceride and diglyceride and 40-50 parts of purified water. By reducing the acidification phenomenon in the yoghourt storage process, the nutritional value of the yoghourt is improved, and the taste of the yoghourt is guaranteed.

The invention discloses underground coal mine while drilling collapse prevention flushing fluid and a preparation method thereof, and is mainly applied to the underground coal mine drilling construction process. The while drilling collapse prevention flushing fluid adopts a formula that 3 to 4kg of a thickening main agent, 4 to 5kg of an auxiliary thickening agent, 4 to 5kg of a flocculant, 3 to 5gk of biological enzyme, and 40 to 50kg of bentonite are added into each cubic meter of water. The underground coal mine while drilling collapse prevention flushing fluid is simple in preparation method and excellent in effect, has excellent rheological property, collapse prevention wall building property and degradability, and meanwhile has high shear force and coal slag carrying capacity.

The invention discloses a preparation method of color-variable anti-counterfeiting low-toxicity inkpad, and belongs to the technical field of chemical engineering. Carboxyl on molecular chains of bamboo charcoal viscose fibers provided by the invention and amino on chitosan can be subjected to high ionic cross-linking action; porous rubber powder is taken as a framework raw material of the inkpad,high hydrogen bond interaction between guar gum, cellulose, chitosan and agar is achieved, and the guar gum, the cellulose, the chitosan and the agar can all absorb water vapor in the air to form a reticular water-retaining structure of saturated hydrogel, so that the inkpad forms a uniform system, is not dried easily, and can be stored for a long time; methyl red is added as an anti-counterfeiting reversible pigment, and fills the gel inkpad through cocrystallization, and carbon-carbon bonds, carbon-oxygen bonds and carbon-hydrogen bonds in the inkpad are difficult to break through hydrogenbond action between hydroxyl of the chitosan and hydroxyl of the agar the cellulose and through action between amino and hydroxyl of the chitosan, so that dehydration of the inkpad is more difficult,and thermal stability of the inkpad is improved.

The invention relates to a synthetic method for thermal oxidation resistant tackifying resin. The synthetic method comprises the following steps of: carrying out polycondensation on the tackifying resin by utilizing styrenated phenol and formaldehyde; modifying the trackifying resin by utilizing phthalic anhydride and glycerol; and systemically adjusting the parameters in the synthesis steps to obtain the novel tackifying resin. Compared with the petroleum resin, p-tert-butylphenol formaldehyde resin, terpene resin, styreneindene resin, coumarone-indene resin and rosin modified phenolic resin, the tackifying resin is more thermal oxidation resistant while achieving the tackifying action, so that the application field of the thermal oxidation resistant tackifying resin is expanded, and good economic benefits and market prospects are better.

The invention provides an improved reaction kettle for synthesizing a high-nickel-based NCA ternary material precursor. The improved reaction kettle comprises: a kettle body, wherein a kettle cover is connected with the kettle body through a screw; a first motor, a speed reducer and a stirring assembly, wherein the first motor and the speed reducer are arranged on the kettle cover, the stirring assembly is arranged on the rotating shaft of the first motor, an accommodating cavity for accommodating inert gas is formed between the speed reducer and the kettle cover, and a detachable combined stirring paddle is arranged on the stirring assembly; a solid increasing device communicated with the kettle body through a connecting pipeline, wherein a circulating pump is arranged on the connecting pipeline, so that a slurry in the kettle body flows through the solid increasing device and then flows into the kettle body; and a flow guide cylinder arranged on the periphery of the stirring assembly, wherein the top end of the flow guide cylinder is connected with the kettle cover through a plurality of uniformly symmetrical suspension rods. According to the reaction kettle provided by the invention, the NCA high-nickel ternary positive electrode material precursor with high sphericity degree, compact surface and good index can be obtained.

The invention discloses a preparation method for a high-viscoelasticity and water-retaining edible plasticine, belonging to the technical field of preparation of plasticine. According to the invention, the carboxyl group on the molecular chain of bamboo charcoal viscose fiber prepared by using the method provided by the invention can generate a strong ion cross-linking effect with the amino groupon chitosan, so the viscoelasticity of the plasticine can be improved; materials used in the preparation method provided by the invention are edible substances; due to the hydrogen bond effect betweenthe hydroxyl group of the chitosan and the hydroxyl groups of cellulose and agar, or the interaction between the amino group and the hydroxyl group of the chitosan, the bamboo charcoal viscose fiberhas the porous characteristic of bamboo charcoal and facilitates dyeing of the plasticine; through the synergistic effect of the bamboo charcoal viscose fiber with water-absorbing raw materials like the chitosan, water-retaining and water-absorbing properties of the plasticine are improved; the agar used in the preparation method provided by the invention is in an amorphous state at a normal temperature and exerts an effect of increasing viscosity; the plasticine can be rapidly dissolved in water to form powdery polysaccharide substances, especially starch polysaccharide substances which can be decomposed into monosaccharides by salivary amylase and digested by children, and no serious physiological damage is caused to the children; thus, the high-viscoelasticity and water-retaining edibleplasticine provided by the invention has broad application prospects.

The present invention relates to viscosity index improver, and is especially one kind of pour point lowering viscosity index improver comprising synthesized alkyl benzene oil 80-95 wt% and dry ethylene-propylene glue 5-20 wt%. Synthesized alkyl benzene oil and dry ethylene-propylene glue in the said ratio are mixed, and heated to dissolve and crack macromolecular and branched chain structure to obtain ordered molecule arrangement of the ethylene-propylene copolymer and raised low temperature performance. The viscosity index improver can raise the low temperature performance of oil product, lower the pour point of paraffin-base basic oil, and raise the performance of lubricating oil, including raised dispersivity, lowered cokability and raised high temperature thickening.

The invention provides a manufacturing method of a paper / plastic container with a heat insulation surface layer. The manufacturing method comprises the following steps of: (a) brushing a composite foaming coating on an outer surface layer of a material for manufacturing the container; (b) manufacturing the container by the material after processing in the last step; and (c) further heating the manufactured container, and heating the foaming coating on the outer surface layer of the container for foaming. According to the manufacturing method disclosed by the invention, the composite foaming coating containing microsphere foaming particles is brushed on the outer surface layer of the container, and when the container is heated, the foaming effect of the microsphere foaming particles is utilized, and a foaming layer is formed at a hand-holding part on the surface of the container, so that the effects of increasing thickness, realizing heat preservation and heat insulation, preventing slippage and preventing water condensation can be realized and resources can be greatly saved.

The invention discloses a non-graphitic water-soluble lubricant used for plasticity working The lubricant comprises an alkali metal salt of m-phthalic acid, a water-soluble polymer and water. The used alkali metal salt of m-phthalic acid has a good lubricating performance in a strict warm or hot plasticity working environment. A condensate formed by combining crystals of the alkali metal salt of m-phthalic acid and the water-soluble polymer of alkali metal salt or fiber derivative of polymaleic acid resin adheres to the surface of a die and forms a lubricating film, and the lubricating film has a same strength with a high-temperature spray film formed by a graphite lubricant, is heatproof, hard and solid, and has a small friction coefficient, so the non-graphitic water-soluble lubricant can be used for the warm or hot plastic working of iron or aluminum alloy materials, makes the part processing quality good, contains no graphite, and can greatly improve the working environment.

The invention discloses a high strength ductility plugging agent which comprises, by weight parts, 40-65 parts of aluminum or aluminum alloy powder, 10-15 parts of expansile graphite, 1-5 parts of silicon carbide, 5-15 parts of calcium oxide, 5-15 parts of floating beads, 1-5 parts of barium carbonate and 0.1-1 part of manganese dioxide. The plugging agent comprises the aluminum or aluminum alloy ingredient, has a bridging effect, is high in strength and acid solubility and resistant to salt and high temperature and can be applied to fresh water, saline water and seawater drilling fluid.

The invention discloses an environment-friendly type high-performance bait brightener. The bait brightener is composed of aliphatic dibasic esters, PVC powder, a free radical photoinitiator, ethyl acetate, polyvinyl butyral, liquid paraffin and magnetic water. The product selects aliphatic dibasic esters and PVC powder as the main raw materials, the free radical photoinitiator, ethyl acetate, polyvinyl butyral, liquid paraffin and magnetic water, and an advanced production technology is employed. According to the invention, ethyl acetate and polyvinyl butyral have viscosity increasing effect, so that the brightener can be adhered to the surface of a bait, ethyl acetate has aroma smell, which can easily attract fish shoal for food, aliphatic dibasic esters have the function for dissolving PVC powder, have the efficacies for brightening and increasing the glossiness, so that the environment-friendly type high-performance bait brightener is a degradable environment-friendly type solvent. The product is dipped by the bait brightener and is subjected to heating and drying treatment to present a high shine state, so that the product has the advantages of gorgeous color, verisimilitude, and high fish luring rate, especially can attract the fish at a deep water area.