38results about How to "Strong rheological properties" patented technology

The invention belongs to the technical field of environment pollution treatment, and more specifically relates to a heavy metal-polluted soil repairing agent prepared by attapulgite. The attapulgite-based soil heavy metal repairing agent is obtained by steps of raw ore fragmentation, acidifying treatment, airing screening, roasting and soil heavy metal restoration. According to the attapulgite-based soil heavy metal repairing agent through acidifying and heat modification, attapulgite clay has characteristics of large specific surface area and high porosity amount due to sulfuric acid acidifying treatment of the attapulgite clay, activity and adsorptivity are increased, proportion of soluble heavy metals in the soil can be effectively reduced, soil heavy metal passivation effect can be reached, and soil heavy metal pollution can be remediated.

The invention relates to a lubricating inhibitor containing methylglucoside compounds for a drilling fluid and a preparation method of the lubricating inhibitor for the drilling fluid and the drilling fluid containing the lubricating inhibitor for the drilling fluid. The comprehensive performance of the drilling fluid can be compared with that of an oil-based drilling fluid; in addition, the invention can overcome the defects that the oil-based drilling fluid pollutes the environment, influences the display of an oil-gas layer and has high cost.

The invention discloses an environmentally-friendly drilling fluid with high plugging performance. The drilling fluid comprises 2-6% of bentonite, 0.3-0.5% of sodium carbonate, 0.3-0.5% of an inhibitor, 0.2-0.5% of a coating agent, 0.1-0.3% of xanthan gum, 2-8% of a filtrate reducer, 2-5% of a plugging agent, 1-4% of calcium carbonate, 0.5-4% of a lubricant, and 25-250% of an inert weighting agent; and the nano plugging agent is formed by compounding of a product prepared from carbon spheres coated with AlOOH, acrylamide, N-isopropylacrylamide and hexamethylenetetramine and a vinyl acetate-ethylene copolymerization emulsion. The environmentally-friendly drilling fluid has the characteristics of high plugging performance, high lubricating performance, a good rheological property, strong ability of carrying rock debris, and friendliness to environments, and the environmentally-friendly drilling fluid is specially applied to environmental sensitive areas regions.

The invention discloses environment-friendly drilling fluid strong in the plugging property. The environment-friendly drilling fluid strong in the plugging property is prepared from 2-6% of bentonite, 0.3-0.5% of sodium carbonate, 0.3-0.5% of inhibitor, 0.2-0.5% of viscosity-shearing agent, 0.1-0.3% of xanthan gum, 2-8% of fluid loss agent, 2-5% of plugging agent, 1-4% of calcium carbonate, 0.5-4% of lubricant and 25-250% of inert weighting agent, wherein the nano plugging agent is obtained by mixing a product, which is obtained from a reaction of carbon balls coated with AlOOH, acrylamide, N-isopropylacrylamide and hexamethylenetetramine, with vinyl acetate-ethylene copolymer emulsion. The environment-friendly drilling fluid has the advantages of strong plugging property, strong lubricating performance, good rheological property, strong debris carrying ability and environmental protection, and is especially suitable for environmentally sensitivity areas.

The invention belongs to the technical field of a fertilizer, and more specifically relates to an attapulgite-based fertilizer synergist having soil improvement effect. The attapulgite can use own surface activity, adsorptivity, catalysis performance, filtering effect, ion exchange effect, complexation effect and electrostatic interaction, a soil pH value can be adjusted by two items, and attapulgite can provides appropriate growth environment for crops. The attapulgite can change physical and chemical properties of the soil, reduces soil unit weight, promotes formation of a soil gel state, enhances soil permeability, absorbs harmful heavy metals in soil, and inhibits insect disease; beneficial elements in the soil can be converted through chelating effect, nutrition balance is reached, crop growth is cooperated, output is increased, and agricultural product quality is improved.

The invention discloses an adhesive applied to wood processing. The adhesive is prepared from the following components in percentage by weight: 100 parts of starch, 0.2-0.4 part of ferrous sulfate, 2-5 parts of sodium hypochlorite, 10-13 parts of vinyl acetate, 8-13 parts of a vinyl acetate-acrylic emulsion, 0.05-0.1 part of tributyl phosphate, 3.7-5.5 parts of functional molecules, 2-6 parts of fumed silica, 25-29 parts of 40% sodium hydroxide solution and 100-200 parts of water. By virtue of modification of the starch with alkaloid, the natural adhesive disclosed by the invention can form a heat-resistant film under the mutual blending action of nano SiO2 sol and propolis missible oil when used, so that the viscosity, stability and durability of the adhesive are greatly improved.

The invention discloses a high damping concrete based on internal structure design and a preparation method thereof. The high damping concrete comprises a common concrete restraining layer and polymer modified layers. One or two polymer modified layers are introduced into the common concrete restraining layer so as to form the multiple restraining layer-free layer-restraining layer vibration attenuation unit combination; the common concrete restraining layer comprises 15-17 parts of cement, 30-35 parts of natural river sand, 42-47 parts of macadam, 4-8 parts of water and 1-2 parts of a water reducing agent; each polymer modified layer comprises polymer emulsion or polymer modified mortar. The high damping concrete disclosed by the invention has excellent absorbing and energy-dissipating functions and has excellent vibration attenuation and noise-absorbing properties, and meanwhile, the mechanical properties, such as fracture resistance and compressive strength, are controlled within reasonable scope.

The invention discloses a preparing method of a flame retardant optical cable filler and relates to the technical field of communication materials. The filler includes guanidine sulfamate, mineral oil, N,N'-dicyclohexylcarbodiimide, phosphonitrilic chloride trimer, sodium hydroxide, thiourea, nylon, silica, epoxidized soybean oil, an impact modifier ACM, polyethylene wax, an anti-aging agent, N-cyclohexyl-2-benzothiazolesulfenamide, vaseline, precipitated calcium carbonate, polybutylene, zinc carbonate, stearic acid, modified silica-thickened poly(alpha-olefin) and dibutyl ester. A preparing process of the filler is environmentally friendly, equipment used is simple, operation is simple, the preparing cost is low, and the prepared filler has high rheological and bending properties, high compressive strength and high mechanical protection performance, can avoid damage by outside environment and can effectively prolong the service lifetime of optical cables.

The invention discloses a heating ground concrete packing layer which comprises 10-20% of 425#cement, 10-30% of sand with the particle size of 0.1-4 mm, 15-35% of pebble with the particle size of 5-12 mm, 3-15% of 100-mesh mica powder, 5-15% of flue gas desulfurization gypsum, 0.05-1% of medium-viscosity methyl cellulose ether, 1-5% of redispersible gelatin powder according to mass percent, and in addition, the additive quantity of water is 140-260 kg / m<3>. The concrete packing layer has the characteristics of light weight, high strength, uniform heat transfer, good electricity insulation, good temperature resistance, anti-permeability, water tightness, environmental protection, energy economization and the like.

The invention relates to the technical field of natural mineral resource utilization, in particular to an environment-friendly attapulgite mineral desiccant. A raw material for preparing the desiccantis attapulgite clay, wherein the attapulgite clay is a natural mineral resource easy to get and inorganic salt easy to get, not only is the cost low, but also the attapulgite clay is very similar tocarbon nano-tubes in size, shape and structural construction, the bar crystal diameter is only a dozen to dozens of nanometers, and the attapulgite clay is very exquisite and is a natural nano nonmetallic mineral material; the attapulgite clay has very high colloid performance, adsorption performance, rheological performance and catalysis performance, a very large specific surface area and certaincation exchange performance, so that the attapulgite clay is widely used as an adsorbent, a catalyst carrier, an antibacterial agent carrier and the like; a technology for preparing the desiccant issimple, the technical requirements are low, and implementing is convenient; the attapulgite mineral desiccant is a natural adsorbent, through material selection and treatment, steeping, baking and crushing, the water adsorbing capability can be effectively improved, the water adsorbing capability of the attapulgite mineral desiccant can reach 27%, moistening is avoided, the attapulgite mineral desiccant is poison-less and harmless, and a market void is filled.

The invention discloses a high-damping concrete based on internal structure design and a preparation method thereof, which includes a common concrete constrained layer and a polymer modified layer. According to the introduction of one or two polymer modified layers into the ordinary concrete constrained layer, a combination of multiple constrained layer-free layer-constrained layer vibration damping units is formed; the ordinary concrete constrained layer includes 15-17 parts of cement, natural river sand 30-35 parts, 42-47 parts of gravel, 4-8 parts of water, 1-2 parts of water reducer; the polymer modified layer includes polymer emulsion or polymer modified mortar. The high damping concrete of the present invention has better energy absorption and dissipation functions, has more excellent vibration reduction and noise absorption performance, and the mechanical properties such as flexural resistance and compressive strength are controlled within a reasonable range.

The invention belongs to the technical field of a fertilizer, and concretely relates to an attapulgite mixing fertilizer having slow release effect, the attapulgite mixing fertilizer is prepared by using attapulgite ore. The attapulgite can use own surface activity, adsorptivity, catalysis performance, filtering effect, ion exchange effect, complexation effect and electrostatic interaction, a soil pH value can be adjusted by two items, and attapulgite can provides appropriate growth environment for crops. The attapulgite can change physical and chemical properties of the soil, reduces soil unit weight, promotes formation of a soil gel state, enhances soil permeability, absorbs harmful heavy metals in the soil, and inhibits insect disease; beneficial elements in the soil can be converted through chelating effect, nutrition balance is reached, crops growth is cooperated, output is increased, and agricultural product quality is improved.

The invention relates to a lubricating inhibitor containing methylglucoside compounds for a drilling fluid and a preparation method of the lubricating inhibitor for the drilling fluid and the drilling fluid containing the lubricating inhibitor for the drilling fluid. The comprehensive performance of the drilling fluid can be compared with that of an oil-based drilling fluid; in addition, the invention can overcome the defects that the oil-based drilling fluid pollutes the environment, influences the display of an oil-gas layer and has high cost.

A special nylon material used in an automobile intake manifold and a processing method thereof relate to a special nylon material used in an automobile intake manifold, and aims to overcome the disadvantages of the prior binary-system nylon material including poor processing liquidity and rough surface and internal wall. The special nylon material consists of 30 to 70 wt percent of nylon, 5 to 35wt percent of short fiber, 5 to 35 wt percent of thermotropic liquor polyamide and 0.1 to 5 wt percent of processing agent, wherein the nylon is aliphatic polyamide; the short fiber is glass fiber GFor carbon fiber CF; the thermotropic liquor polyamide is main chain type aromatic polyamide with the fusion scope ranging between 180 and 300 DEG C; and the processing agent is one or a plurality of lubricant, heat stabilizer, nucleater, antioxidant and colorant. According to the processing method, all components of the nylon material are fully mixed and are extruded through a double screw extruder to carry out granulation, thereby obtaining the special nylon material after drying. The special nylon material has the advantages of smooth surface, excellent processing liquidity and thermal stability, high mechanical property and low vibration noise, etc.

The invention discloses a titanate modified aqueous acrylic resin, and a preparation method thereof. The preparation method is capable of solving problems in the prior art that a common resin used forwater soluble acrylic amino stoving varnish contains a large amount of an alcohol ether solvent and an amino curing agent containing a large amount of amino, so that effective precipitation prevention and sagging inhibition effects are impossible to achieve. The titanate modified aqueous acrylic resin comprises, by mass, 1 to 20 parts of a titanate coupling agent, 15 to 50 parts of a monomer, 0.1to 5 parts of a molecular weight regulator, 0.1 to 5 parts of an initiator, 50 to 100 parts of a solvent, and 1 to 20 parts of neutralizing agent. According to the preparation method, titanate is introduced, so that strong complexing effect among molecules of the titanate groups is formed, influences by the alcohol ether solvent and the amino curing agent are avoided in existing of the alcohol ether solvent and the amino curing agent, and the excellent precipitation prevention and sagging inhibition effects in water soluble acrylic amino stoving varnish are ensured.

This invention discloses a complex material contg. granular packing and thermal liquid polymer (TCLP), mfg. method and use thereof. Said complex material is composed of (by wt. portion): 30-85 nylon 6, 5-70 granular packing and 1-20 TLCP, where-in, granular packing being hollow glass micro-balls (GB), solid glass micro-balls, SiO2 or CaCO3 with granularity of 1-100 mum; TLCP being main-chain type aromatic copolymer with its molten-range of 190-360 deg.C. Said complex material is made by molen-blending method. This product has excellent flow-ability and dimension-stability. It has potential superiority in mfg. thin-wall plastic products of fine-structure plastic products.

The invention discloses an emulsion type acrylate pressure-sensitive adhesive capable of being repeatedly uncovered and pasted, and particularly relates to the technical field of pressure-sensitive adhesives. The emulsion type acrylate pressure-sensitive adhesive comprises 20 to 40 parts of a nonionic emulsifier, 2 to 7 parts of an ionic emulsifier, 2 to 7 parts of ammonium persulfate, 700 to 900 parts of water, 550 to 750 parts of butyl acrylate, 60 to 80 parts of methyl methacrylate, 100 to 200 parts of acrylic acid-a-ethylhexyl ester, 20 to 40 parts of acrylic acid, 0.1 to 0.5 part of nano sepiolite, 1 to 5 parts of a silane coupling agent and 0.5 to 1.5 parts of isopropyl triisostearoyl titanate. According to the invention, the nano sepiolite is added and modified, and the nano sepiolite is relatively high in chemical activity and can be possibly bonded with the acrylate emulsion in a certain form, so that the defect of stickiness of a coating is overcome, and the bonding force of the acrylate emulsion can be improved; furthermore, the sizing thickness of the pressure-sensitive adhesive prepared by the method can be reduced.