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38results about How to "Strong rheological properties" patented technology
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Attapulgite-based soil heavy metal repairing agent
InactiveCN105295931AStrong water absorptionStrong Colloidal PropertiesOrganic fertilisersSoil conditioning compositionsPorositySoil heavy metals
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.
Owner:LANZHOU KUNLUN ENVIRONMENTAL PROTECTION TECH
Lubricating inhibitor for drilling fluid and preparation method thereof and drilling fluid containing lubricating inhibitor for drilling fluid
ActiveCN101717622AImprove thermal stabilityImprove stabilitySugar derivativesDrilling compositionWell drillingO methylglucose
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.
Owner:北京奥凯立科技发展股份有限公司
Composite material of containing granule stuffing and polymer of thermotropic liquid crystal preparation method and application
InactiveCN1600813ALow viscosityImprove processing performanceLiquid crystal compositionsComplex materialsThin walled
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.
Owner:INST OF CHEM CHINESE ACAD OF SCI
Environmentally-friendly drilling fluid with high plugging performance
InactiveCN107502320AImprove thermal stabilityImprove the lubrication effectDrilling compositionSodium BentoniteHexamethylenetetramine
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.
Owner:CNPC BOHAI DRILLING ENG
Environment-friendly drilling fluid strong in plugging property
InactiveCN107502315AImprove thermal stabilityImprove the lubrication effectDrilling compositionHexamethylenetetramineEnvironmental chemistry
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.
Owner:CNPC BOHAI DRILLING ENG
High-solid content quick-drying modified starch lap adhesive and preparation method thereof
ActiveCN103265909ASave electricityShort preparation timeNon-macromolecular adhesive additivesStarch adhesivesDefoaming AgentsAdhesive
The invention relates to a high-solid content quick-drying modified starch lap adhesive and a preparation method thereof. The lap adhesive has solid content of 52 to 55%, a pH value of 8.2 to 8.5 and viscosity of 816 to 843 mPa.s. The high-solid content quick-drying modified starch lap adhesive is prepared from the following raw materials by weight: 37.4 to 42.5% of starch, 0.02 to 0.03% of amylase, 2 to 3.2% of NaClO, 6 to 9% of meerschaum powder, 3.5 to 4.6% of a gelatinization agent, 0.05 to 0.07% of a cross-linking agent, 0.06 to 0.1% of an antiseptic, 0.2 to 0.5% of a defoaming agent and 45 to 47% of deionized water. According to the invention, since the nanometer meerschaum powder is added and a proper amount of amylase is added in preparation of a starch glue, the lap adhesive is green and environment-friendly, has good initial adhesion and a fast drying speed, completely accords with four standards for adhesives for cigarettes and is applicable to a high speed cigarette maker.
Owner:HAINAN BNK WATER BASED NEW MATERIAL CO LTD
Convenient fibrin blocking agent
InactiveCN1454667AStrong adhesionPromote wound healingPowder deliveryPeptide/protein ingredientsConcrescenceDrug
The invention provides a convenient sealing agent for fibrin. It is made up of fibrin source 60-100 mg / ml, factor XIII (FXIII) 30-60 U / ml, thrombin 200-600 IU / ml and the buffer, the PH value is 6-8. the invention has rheology character, and strong adhesive ability, imitates the final period of physical cruor mechanism. It exerts functions of biological hemostasis, promotes the concrescence of wound, prevents organism conglutination, conglutinates viscera gap, seals lacuna organism in order to decrease the exudation, medicine releasing carrier slowly. It applies to all the modern surgical.
Owner:徐振彪
Attapulgite-based fertilizer synergist having soil improvement effect
InactiveCN105294349AStrong water absorptionStrong Colloidal PropertiesFertilizer mixturesInsect diseaseIon exchange
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.
Owner:任珺
Method for modifying nano calcium carbonate by using boric acid ester and preparation method of PVC (polyvinyl chloride) plastic
InactiveCN103483874AImprove lipophilicityGood dispersionPigment treatment with non-polymer organic compoundsPolyvinyl chlorideBoric acid
The invention discloses a method for modifying nano calcium carbonate by using boric acid ester and a preparation method of a PVC plastic. The method comprises a preparation method of the nano calcium carbonate modified by the boric acid ester. The method comprises the steps as follows: 1), nano calcium carbonate is dispersed into deionized water; 2), the boric acid ester is added, and dispersion is performed continuously; and 3), filtering and drying are performed. According to the method, the boric acid ester is used for coating the nano calcium carbonate dispersed in a liquid phase, so that the lipophilicity of the nano calcium carbonate is enhanced, the dispersibility and the mobility of the nano calcium carbonate in a PVC resin are improved, and the nano calcium carbonate has good compatibility with the PVC resin. The improvement on the compatibility guarantees stronger binding force of the PVC resin and the nano calcium carbonate, and the mechanical property and the rheological property are improved.
Owner:昆山市华浦塑业有限公司
Adhesive applied to wood processing and preparation method of adhesive
InactiveCN104817964AStrong water resistanceHigh bonding strengthNon-macromolecular adhesive additivesStarch adhesivesPropolisAdhesive
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.
Owner:陈素素
High damping concrete based on internal structure design and preparation method thereof
InactiveCN107473645AGood vibration dampingPlay the role of energy consumptionCeramic shaping apparatusShock proofingPolymer modifiedCompressive strength
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.
Owner:CHANGAN UNIV
A preparing method of a flame retardant optical cable filler
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.
Owner:ANHUI COMM IND SERVICE CO LTD
Attapulgite-based mineral slow-release fertilizer
InactiveCN105294348AStrong Colloidal PropertiesStrong water absorptionFertilizer mixturesIon exchangePoultry manure
The invention belongs to the technical field of a fertilizer, and more specifically relates to a biological organic fertilizer having slow release effect and a mineral element supplement function, and the biological organic fertilizer is prepared by poultry manure and 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 the 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, crop growth is cooperated, output is increased, and agricultural product quality is improved. Under a same application amount of the fertilizer, the growth index of crops planted by the attapulgite-based mineral slow-release fertilizer is obviously higher than that of the crops planted by common fertilizers, and yield is increased by more than 17%.
Owner:LANZHOU KUNLUN ENVIRONMENTAL PROTECTION TECH
Attapulgite-based soil heavy metal repair agent
InactiveCN108728101AStrong water absorptionStrong Colloidal PropertiesAgriculture tools and machinesOrganic fertilisersClay soilPorosity
The invention belongs to the technical field of environmental pollution improvement, and particularly relates to a repair agent for soil polluted due to preparing heavy metal via utilizing attapulgite. An attapulgite-based soil heavy metal repair agent is prepared through multiple steps of raw ore breaking, acidizing, drying and sieving, roasting and soil heavy metal repair and the like. Accordingto the attapulgite-based soil heavy metal repair agent subjected to acidification and thermal modification, attapulgite clay is subjected to sulphuric acid acidizing and has the characteristics of large specific surface area and high porosity, both the activity and adsorptive property of the repair agent are relatively greatly improved, the proportion of soluble heavy metal in soil can be effectively lowered, the effect of passivating soil heavy metal is achieved, and the soil heavy metal pollution is repaired.
Owner:LANZHOU KUNLUN ENVIRONMENTAL PROTECTION TECH
Water-soluble organic salt weighting agent for drilling fluid for oilfields as well as preparation method and application thereof
The invention provides a water-soluble organic salt weighting agent for drilling fluid for oilfields as well as a preparation method and application thereof. The method comprises the steps of preparing an organic acid mixture containing chlorine atoms, wherein the organic acid mixture comprises C1-C6 organic acids; adding composite alkali containing NaOH, KOH, ammonia water, N(CH3)3 and epoxy chloropropane to the organic acid mixture, stirring the materials to react, and evaporating water until the product is pasty or half-dry, wherein the mass ratio of composite alkali to organic acids is (0.2-2):1; drying the product at 80-120 DEG C for 6-24 hours, and grinding the dried product, thus obtaining the granular product. The weighting agent Weigh2 can not only improve the density of solid-free water-based drilling fluid base fluid but also improve the inhibitive capacity of the drilling fluid.
Owner:北京培康佳业技术发展有限公司
Heating ground concrete packing layer
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.
Owner:内蒙古巨华集团大华建筑安装有限公司
Rose flower fragrance special slurry for printing wallpapers, and production method of slurry
The invention relates to a slurry for printing wallpapers, and especially relates to a rose flower fragrance special slurry for printing wallpapers, and a production method of the slurry. The slurry is mainly produced from, by weight, 5-20 parts of dioctyl phthalate, 30-50 parts of polyvinylchloride paste resin, 1-2 parts of a foaming agent, 1-5 parts of environmentally-friendly D80 solvent oil, 12-18 parts of calcium carbonate, 4-6 parts of hollow glass beads, 5-8 parts of lignin, 10-30 parts of a plasticizer, 1-5 parts of a stabilizer, 5-8 parts of a VAE emulsion, 5-10 parts of titanium dioxide, 1-3 parts of a thickener, 1-3 parts of a drying speed regulator, 0.5-1 part of rose essential oil, 2-3 parts of rose bud extract and 2-3 parts of diatomite. The slurry has high adhesion, realizes a crack effect, is suitable for embedding gold powder, silver powder and pearl essence in a gold sprinkling technology, can wrap the gold powder, the silver powder and the pearl essence to improve the class of the wallpapers, and prolongs the service life of the wallpapers.
Owner:GAREFU TECH CO LTD
Improvement and synergy method for mixed attapulgite
InactiveCN108675898AImprove qualityLow costCalcareous fertilisersMagnesium fertilisersIon exchangeFertilizer
The invention belongs to the technical field of fertilizer, and particularly relates to an improvement and synergy method for mixed attapulgite. The attapulgite can utilize own surface activity, adsorptivity, catalytic performance, filtering function, ion exchange function, complexing action and electrostatic function to carry out two-way regulation on the pH (Potential of Hydrogen) value of soilso as to provide proper growth environment for crops. The attapulgite also can be used for changing the physicochemical and biological characters of soil, lowering soil unit weight, accelerating the formation of a soil gel state, enhancing soil gas permeability, adsorbing harmful heavy metal in soil and inhibiting diseases and insect pests, beneficial elements in soil are converted through a chelating function to achieve nutrition balance, crop growth and development is coordinated, yield is improved, and the quality of an agricultural product is improved.
Owner:LANZHOU KUNLUN ENVIRONMENTAL PROTECTION TECH
Environment-friendly attapulgite mineral desiccant
InactiveCN108816183ASimple processWill not polluteOther chemical processesResource utilizationSorbent
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.
Owner:LANZHOU KUNLUN ENVIRONMENTAL PROTECTION TECH
A kind of high damping concrete based on internal structure design and preparation method thereof
InactiveCN107473645BGood vibration dampingPlay the role of energy consumptionCeramic shaping apparatusShock proofingPolymer modifiedStructural engineering
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.
Owner:CHANGAN UNIV
Attapulgite mixing fertilizer having slow release effect
InactiveCN105294279AStrong water absorptionStrong Colloidal PropertiesFertilizer mixturesInsect diseaseIon exchange
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.
Owner:LANZHOU KUNLUN ENVIRONMENTAL PROTECTION TECH
Method for modifying nano calcium carbonate by using aluminum zirconium and preparation method of PVC (polyvinyl chloride) plastic
InactiveCN103483876AImprove lipophilicityGood dispersionPigment treatment with non-polymer organic compoundsPolyvinyl chlorideLipophilicity
The invention discloses a method for modifying nano calcium carbonate by using aluminum zirconium and a preparation method of a PVC plastic. The method comprises a preparation method of the nano calcium carbonate modified by the aluminum zirconium. The method comprises the steps as follows: 1), nano calcium carbonate is dispersed into deionized water; 2), the aluminum zirconium is added, and dispersion is performed continuously; and 3), filtering and drying are performed. According to the method, the aluminum zirconium is used for coating the nano calcium carbonate dispersed in a liquid phase, so that the lipophilicity of the nano calcium carbonate is enhanced, the dispersibility and the mobility of the nano calcium carbonate in a PVC resin are improved, and the nano calcium carbonate has good compatibility with the PVC resin. The improvement on the compatibility guarantees stronger binding force of the PVC resin and the nano calcium carbonate, and the mechanical property and the rheological property are improved.
Owner:昆山市华浦塑业有限公司
Lubricating inhibitor for drilling fluid and preparation method thereof and drilling fluid containing lubricating inhibitor for drilling fluid
ActiveCN101717622BImprove thermal stabilityImprove stabilitySugar derivativesDrilling compositionThermodynamicsMethyl palmoxirate
Owner:北京奥凯立科技发展股份有限公司
High-strength composite fiber expansion anti-cracking agent and preparation process thereof
The invention relates to the technical field of concrete additives, and provides a high-strength composite fiber expansion anti-cracking agent and a preparation process thereof. The high-strength composite fiber expansion anti-cracking agent comprises, by mass, no less than 40% of a CaO-MgO-Al2O3-SO3 expansion source, no less than 25% of fibrous aggregate mineral powder and no less than 18% of modified fiber-doped polymer sol liquid. According to the invention, the physical and chemical properties of the composite fiber expansion anti-cracking agent are effectively improved through reasonable selection and matching of the raw materials, modification treatment and optimization of preparation steps, a doping amount is reduced, excellent compressive strength and an excellent expansion rate in a restrict condition are obtained, and high comprehensive practicability is achieved.
Owner:南京晶磊兴建材有限公司
Novel slag melting agent, preparation method and application of novel slag melting agent in preparation of high-purity hypereutectic niobium-chromium-containing 28 cast iron
PendingCN114507767AStrong alkalinityIncrease surface adsorption capacityProcess efficiency improvementNiobiumSesbania gum
The invention discloses a novel slag melting agent, a preparation method of the novel slag melting agent and application of the novel slag melting agent to preparation of high-purity hypereutectic niobium-chromium-containing 28 cast iron. Comprising the following raw materials: 9-13 parts of perlite powder, 3-5 parts of aluminum powder, 14-18 parts of montmorillonite powder, 3-6 parts of fluorite powder, 10-16 parts of talcum powder, 4-8 parts of passivated lime powder, 6-10 parts of magnesium carbonate powder, 4-7 parts of medical stone powder, 2-5 parts of quartz powder, 2.6-4.8 parts of sesbania gum and 18-25 parts of water. According to the high-purity hypereutectic niobium-chromium-containing 28 cast iron prepared through the technology, the oxygen content is 10.8 ppm, the hydrogen content is 3.1 ppm, the Rockwell hardness value (HRC) is 64.1, the high-purity hypereutectic niobium-chromium-containing 28 cast iron can be used for overflowing part pump bodies, impellers, various powder conveying pipelines, liners and the like of small pumps (8 inches), and the use effect is good.
Owner:广西长城机械股份有限公司
Special-purpose nylon material for automobile intake manifold and processing method thereof
InactiveCN101260233BEasy to processReduce melt viscosityLiquid crystal compositionsProcedure AgentsPolyamide
Owner:BEIJING UNIV OF TECH
Titanate modified aqueous acrylic resin, and preparation method thereof
InactiveCN109897127AStrong rheological propertiesExcellent anti-sinking and anti-sag performanceCoatingsAlcoholAcrylic resin
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.
Owner:江西省龙海化工有限公司
Composite material of containing granule stuffing and polymer of thermotropic liquid crystal preparation method and application
Owner:INST OF CHEM CHINESE ACAD OF SCI
Emulsion type acrylate pressure-sensitive adhesive capable of being repeatedly uncovered and pasted
PendingCN114015386AHigh chemical activityImprove sticky defectsNon-macromolecular adhesive additivesEster polymer adhesivesPolymer scienceAdhesive
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.
Owner:SHENZHEN NIKTO TAPE NEW MATERIAL CO LTD
Method for modifying nano calcium carbonate through aluminum titanate and preparation method of PVC plastics
InactiveCN103468026AImprove lipophilicityGood dispersionPigment treatment with non-polymer organic compoundsDispersityBarium titanate
The invention discloses a method for modifying nano calcium carbonate through aluminum titanate and a preparation method of PVC plastics. The method for modifying the nano calcium carbonate through the aluminum titanate includes a method for preparing the modified nano calcium carbonate through the aluminum titanate, and includes the following steps that (1) the nano calcium carbonate is dispersed in deionized water; (2) the aluminum titanate is added, and dispensing is conducted continuously; (3) filtering and drying are carried out. By means of the aluminum titanate, the nano calcium carbonate dispersed in a liquid phase is wrapped, lipophilicity of the nano calcium carbonate is enhanced, and therefore dispersity and flowability of the nano calcium carbonate in PVC resin are improved, so that the nano calcium carbonate and the PVC resin have good compatibility. The improvement of the compatibility guarantees that binding force of the PVC resin and the nano calcium carbonate is strong, and mechanical properties and rheological properties are improved.
Owner:昆山市华浦塑业有限公司
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