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High-starch-content waterproof totally-decomposed composite material and preparation method thereof
InactiveCN103304851AGood component compatibilityImprove mechanical propertiesAdditive ingredientPlasticizer
The invention relates to a high-starch-content waterproof totally-decomposed composite material and a preparation method thereof. The method comprises the steps of: firstly dispersing nanosilicon dioxide particles in a plasticizer in advance to obtain nano sol; secondly, evenly blending the sol and starch in a high-speed mixer, and then kneading the mixture together with polyvinyl alcohol in a kneading machine to obtain starch-based master batch; and finally carrying out melt blending on the starch-based master batch and polylactic acid through one of or a combination of more of an open mill, an internal mixer and an extruder to obtain the high-starch-content waterproof totally-decomposed composite material. Compared with the ordinary biology-based composite material, the high-starch-content waterproof totally-decomposed composite material is high in starch content, low in cost, and good in ingredient compatibility, the mechanical property and waterproof property of the material can be both obviously improved, and all ingredients can be totally decomposed, so that the excellent sustainable development characteristic can be achieved; and meanwhile, the high-starch-content waterproof totally-decomposed composite material can be machined by adopting die pressing, extrusion, injection molding and other technologies on general plastic machining equipment.
Owner:EAST CHINA UNIV OF SCI & TECH
Starch-based composite blown film and preparation process of same
InactiveCN103122079AGood component compatibilityPromote environmental protectionCellulosePolymer science
Owner:HUNAN UNIV OF TECH
Concentrated composition of waste rubber composite modified pitch and preparation and use method
InactiveCN101717586AImprove flexibilityReduce driving noiseBuilding insulationsWaste tiresPolyolefin
The invention belongs to the technical field of road engineering materials, in particular to a concentrated composition of waste rubber composite modified pitch and a preparation and use method. The concentrated composition is prepared from waste tire rubber powder, petroleum pitch, natural pitch, synthetic tuber, polyolefin, a swelling agent and an aid by preparing procedures. When in use, a product can be proportionally mixed with substrate pitch on a construction site to prepare waste rubber composite modified pitch for spraying construction or be mixed and stirred with the substrate pitch at a pitch mixture stirring station into a rubber pitch mixture for paving construction.
Owner:CHANGAN UNIV
Impact-resistant packaging sheet and its preparation method
InactiveCN102294863AGood compatibilityHigh transparencySynthetic resin layered productsFlat articlesAntistatic agentPolyethylene terephthalate glycol
The invention discloses an impact-resistant packaging sheet and a preparation method thereof. The impact-resistant packaging sheet is composed of a substrate layer and surface layers on both sides of the substrate layer. The substrate layer is composed of non-crystalline polyethylene terephthalate APET, and the surface layer is composed of the following components by weight percentage: polyethylene terephthalate-1,4-cyclohexanedimethanol PETG resin 85%~95%, smooth masterbatch 0.1%~0.5%, 0.2%~1% antistatic agent, other additives 4%~14%. The preparation method of the impact-resistant packaging sheet is to pre-crystallize APET and then dry it, then dry the PETG, weigh other components and mix them with the dried PETG evenly, and use a multi-layer co-extrusion sheet extruder to The sheet is extruded, extruded by the die head, calendered by three rollers, and then trimmed, drawn and wound to obtain an impact-resistant packaging sheet. Shock-resistant packaging sheet materials have good component compatibility, no delamination of the sheet, high transparency, smooth surface, and good impact resistance.
Owner:TRAGOT GUANGZHOU PACKAGING
High-hydrophilicity high-wear-resistance organic/inorganic hybrid photocuring paint composition
InactiveCN105153924AEmission reductionGood component compatibilityPolyurea/polyurethane coatingsEpoxy resin coatingsReactive diluentHigh wear resistance
The invention discloses a high-hydrophilicity high-wear-resistance organic / inorganic hybrid photocuring paint composition. The composition comprises 60-75 parts of hydrophilic photocuring low polymer, 5-15 parts of high-functionality photocuring resin, 12-20 parts of reactive diluent, 4-6 parts of photoinitiator, 0.01-0.5 part of assistant and 0.4-2 parts of inorganic functional additive. The inorganic functional additive is selected from polyvinyl silsesquioxane, methylacryloyloxy silsesquioxane and acryloyloxy silsesquioxane. The ultraviolet-curing hydrophilic paint disclosed by the invention can be applied to a glass surface; and the cured paint has the advantages of excellent hydrophilicity, excellent physical properties, favorable adhesive force, favorable water resistance, favorable acid resistance and favorable wear resistance.
Owner:SHANGHAI WEIKAI CHEM +2
Graphene lubricating oil and preparation method thereof
The invention discloses graphene lubricating oil and a preparation method thereof. The lubricating oil is prepared from raw materials in parts by weight as follows: 150-200 parts of base oil, 0.5-2 parts of a tackifier, 2-4 parts of a pour point depressant, 1-2 parts of an antifoaming agent, 0.5-3 parts of a dispersant, 1-3 parts of a cleaning agent and 1-5 parts of graphene. The provided lubricating oil has excellent dispersity and stability, good stability, high wear resistance and a good protection function on mechanical parts, all components have good compatibility, and the service life of the mechanical parts is prolonged. The preparation method of the lubricating oil adopts a simple process, is low in cost, high in production efficiency and low in raw material cost and has better economic benefits and social benefits, and industrial production is easy to realize.
Owner:广西中润四方项目管理咨询有限公司
Powdery emulsion explosive
InactiveCN102464519ADoes not affect product propertiesImprove product qualityExplosivesExplosive AgentsEmulsion explosive
The invention relates to a powdery emulsion explosive, which is prepared by the following steps: taking the raw materials of 75-85% of ammonium nitrate, 5-10% of auxiliary oxidant, 2-6% of organic oil-phase material, 0.7-1.3% of emulsifier, 1-3% of cosolvent, 1-11% of blast reducer and 1-5% of water by weight, wherein the organic oil-phase material takes decompressing cerate, petroleum wax, foots oil and polymer as basic raw materials in current technology, supplementing a phospholipid additive, introducing air under the conditions of temperature of 140-180 DEG C and an 0.1%-1.0% oxidation catalyst, and reacting for 2-10 hours. The present invention improves explosive performance, water resistance, moisture resistance, caking resistance and storage stability of the powdery emulsion explosive, and reduces the usage amount of emulsifier. The powdery emulsion explosive is subjected to industrial production under any environment, and completely eliminates harm of TNT on human and environment.
Owner:CHINA PETROLEUM & CHEM CORP +1
Bio-based polyolefin composite material and preparation method therefor
The invention discloses a bio-based polyolefin composite material which comprises the following raw materials in parts by weight: 30-60 parts of modified blue algae, 25-40 parts of polyolefin, 5-20 parts of a reactive plasticizer, 5-10 parts of a bulking agent, 1-5 parts of a lubricant and 0.1-0.5 parts of an antioxidant. The raw materials are mixed and subjected to extrusion and granulation through a co-rotating twin-screw extruder to prepare the bio-based polyolefin composite material. The composite material is good in component compatibility and excellent in mechanical property, and has a very wide application prospect; and the dependence on a petroleum-based material can be reduced, the white pollution is alleviated, a treatment method for turning blue algae into wealth is provided during algal bloom outbreak, and the ecological environment is protected.
Owner:无锡太湖蓝藻资源应用技术研究院有限公司
Preparation method of polycarbonate used for blow molding
The invention relates to the technical field of polycarbonate (PC), in particular to the polycarbonate used for blow molding and a preparation method thereof. The raw material in the preparation method comprises the following components in percentage by mass: 98 to 100 percent of the polycarbonate, 0.1 to 0.5 percent of chain extender, 0.1 to 1.0 percent of antioxidant, 0.01 to 0.5 percent of toner, and 0.01 to 0.5 percent of ultraviolet absorber. The polycarbonate used for the blow molding not only can be prepared simply and conveniently but also can greatly improve the yield of bottle blowing grade polycarbonate and reduce the cost; besides, blow molding uses prove that the performance of the polycarbonate for the blow molding can completely replace the bottle blowing grade polycarbonate of companies such as American GE, Germany Bayer and the like, and the polycarbonate for the blow molding meets requirements on materials for preparing drinking water buckets.
Owner:东莞市沃捷塑胶原料有限公司
Ultraviolet curing transfer adhesive for glass substrate
ActiveCN106281198AAvoid overall performance degradationReasonable compositionNon-macromolecular adhesive additivesPolyureas/polyurethane adhesivesSolventChemistry
The invention discloses an ultraviolet curing transfer adhesive for a glass substrate. The ultraviolet curing transfer adhesive comprises aliphatic polyurethane acrylate, an acrylate active diluent, a photoinitiator, an acrylate aid and a silane coupling agent. The ultraviolet curing transfer adhesive for a glass substrate, disclosed by the invention, has good mechanical property, wear resistance, solvent resistance and cold / hot impact resistance while the adhesion between the adhesive layer and the substrate is good; and particularly, after water boiling test, the adhesion between the adhesive layer and the substrate is still greater than 4B, and little environmental pollution is caused. The problems that existing ultraviolet curing transfer adhesive has low adhesion and is not resistant to water boiling and solvent are solved; and the ultraviolet curing transfer adhesive disclosed by the invention meets the industry requirements, reduces the production cost of an enterprise and brings profit to the enterprise.
Owner:SUZHOU BETELY POLYMER MATERIALS CO LTD
Fluorocarbon coating for anticorrosion of offshore environment concrete
InactiveCN109852186ASimple preparation processGood component compatibilityAnti-corrosive paintsWater basedOrganic solvent
The invention relates to a fluorocarbon coating for anticorrosion of offshore environment concrete. The invention provides a water-based fluorocarbon coating for anticorrosion of offshore environmentconcrete. Concrete is protected for a long time by utilizing weather resistance, heat resistance, corrosion resistance and durability of a fluorine-containing acrylic emulsion. Water is used as a dispersion medium, no organic solvent is contained, and the green and environment-friendly requirements are met. The coating has excellent corrosion resistance, weather resistance, aging resistance and the like, the hardness of a coating is improved, and the protection effect on a concrete building can be enhanced.
Owner:CHANGAN UNIV
High-starch-content film blowing composite material and preparation method thereof
PendingCN110655686AGood component compatibilityImprove mechanical propertiesLow-density polyethyleneVegetable oil
The invention relates to the technical field of biodegradable composite materials, and in particular relates to a high-starch-content film blowing composite material and a preparation method thereof.The high-starch-content film blowing composite material comprises the following raw materials in parts by weight: 35-50 parts of starch, 20-40 parts of low-density polyethylene, 10-20 parts of an epoxy vegetable oil plasticizer, 0.5-2 parts of an internal lubricant, 0.1-1 part of an external lubricant, 0.5-1 part of a coupling agent, 3-10 parts of a compatilizer and 0.2-0.5 part of an antioxidant.The high-starch composite material disclosed by the invention is high in starch content, low in cost and good in component compatibility, the mechanical property and the biodegradability of the material are remarkably improved, and the high-starch composite material has excellent characteristics of sustainable development and can be processed into a product by adopting processes such as mould pressing, extrusion and injection molding on universal plastic processing equipment.
Owner:浙江华发生态科技有限公司
Tungsten-copper alloy feedstock and preparation method thereof
ActiveCN109530677AGood component compatibilityImprove liquidityTransportation and packagingMetal-working apparatusMixed materialsControllability
The invention relates to a tungsten-copper alloy feedstock and a preparation method thereof, and belongs to the technical field of polymer binder materials and powder metallurgy. The preparation method of the tungsten-copper alloy feedstock comprises the following steps that banburying is carried out on tungsten-copper alloy powder and a plastic-based binder at 135-210 DEG C; and the mixed material is crushed after the banburying. The tungsten-copper alloy powder and the plastic-based binder are taken as raw materials, and the portion of the tungsten powder and the copper powder in the tungsten-copper alloy powder is controlled, meanwhile, the plastic-based binder with good performance is adopted, the tungsten-copper alloy powder and the plastic-based binder are subjected to the banburyingunder an optimal temperature condition, so that the tungsten-copper alloy feedstock with good compatibility, good liquidity and good degreasing blank shape retention property is obtained. The preparation method provided is simple in steps, high in controllability, and suitable for large-scale production.
Owner:GUANGDONG INST OF NEW MATERIALS
High performance polyurethane composite material and preparation method thereof
ActiveCN109337547AReduce hardnessReduce releasePolyurea/polyurethane coatingsLow temperature curingHardness
The invention discloses a high performance polyurethane composite material and a preparation method thereof. The high performance polyurethane composite material is prepared from components A and B inparts by weight. The component A is prepared from the following components in parts by weight: 55-60 parts of a hydroxyl polyurethane dispersoid, 4-8 parts of a modified silicon dioxide sol, 0.3-3 parts of graphene, 10-14 parts of water, 0.6-0.9 part of a flatting agent, 0.1-0.4 part of a defoamer and 0.5-1.5 parts of a thickener. The component B is prepared from 10-16 parts of a polyurethane curing agent. The high performance polyurethane composite material prepared by the invention is safe and non-toxic, low in construction smell and low in VOC content, meets the environment-friendly demand, can be cured at low temperature, and is good in compatibility of the components. A formed film has good hardness, mechanical property and water resistance, so that the high performance polyurethanecomposite material is quite suitable for furniture coatings.
Owner:VESACH FURNITURE & DECORATION
Nitrocellulose-modified low-temperature quick-drying unsaturated polyester primer and preparation method thereof
ActiveCN104497813AIncrease drying speedImprove adhesionPolyester coatingsPolymer scienceNitrocellulose
The invention relates to a nitrocellulose-modified low-temperature quick-drying unsaturated polyester primer and a preparation method thereof. The nitrocellulose-modified low-temperature quick-drying unsaturated polyester primer is prepared by mixing a main paint, an initiator and an accelerator at a weight ratio of 100:(1.0-1.2):(1.2-1.5), wherein the main pain is prepared from the following components in parts by weight: unsaturated polyester resin, a defoaming agent, a leveling agent, transparent powder, talc powder, fumed silica, zinc stearate, an anti-greening agent, a drying agent, acetone, ethanol, nitrocellulose solution and styrene, the initiator is cobalt naphthenate, and the initiator is methyl ethyl ketone peroxide. The nitrocellulose-modified low-temperature quick-drying unsaturated polyester primer prepared by adopting the preparation method can be sprayed under the environmental condition of low temperature, and the formed covering can be dried at a very high speed and has excellent adhesion and fullness.
Owner:SKSHU PAINT
High barrier UV curable organic/inorganic compound, preparation method and application thereof
ActiveCN109535941AImprove thermal stabilityImprove barrier propertiesFireproof paintsPolyurea/polyurethane coatingsIn situ polymerizationWater vapor permeability
The invention discloses a high barrier UV curable organic / inorganic compound, a preparation method and application thereof. The high barrier UV curable organic / inorganic compound comprises the following components by weight: 30-50 parts of UV curable resin; 20-40 parts of modified lamellar nanofiller; 0.1-0.5 part of a photoinitiator; 20-45 parts of an active diluent; and 0.5-5 parts of an assistant. The high barrier UV curable organic / inorganic compound has low oxygen and water vapor permeability, and good thermal stability, can be directly prepared by one-step process, also adopts in-situ polymerization way, reduces the separation and purification of nanofiller and ionic liquid, and the process is simple, is easy to operate, and has strong practicability. The high barrier UV curable organic / inorganic compound can be used for preparation of high barrier composite coatings.
Owner:DONGGUAN POWERBOND NEW MATERIALS TECH DEV
Thinly coated heat preservation reinforced paint
InactiveCN108264811AImprove insulation effectReduce thicknessRadiation-absorbing paintsAcrylic resinGlycerol
Belonging to the technical field of heat preservation paint, the invention in particular relates to a thinly coated heat preservation reinforced paint. The paint comprises the following components: organic silicon modified acrylic resin, tetrabutyl titanate, glycerol, hydroxy propyl cellulose, a heat radiation absorption material, sodium dodecylbenzene sulfonate, a silicone acrylic emulsion, filler, a film-forming assistant, a defoamer and deionized water. Specifically, the heat radiation absorption material is ceramic particles prepared by high temperature sintering of iron oxide, cobalt oxide, graphite, rare earth oxide and barium oxide materials. The filler includes one or more of sepiolite powder, mica powder and kaolin, and is 200-250mesh. The film-forming assistant is texanol, and the defoamer is a polyether defoamer or organic silicon defoamer. The paint can be used for interior wall heat preservation engineering construction, and can enhance the heat preservation performance ofbuilding walls, also because the coating is thin, interior space occupation can be reduced, therefore the thinly coated heat preservation reinforced paint has high practical value.
Owner:HEFEI FENGTENG ENERGY SAVING TECH CO LTD
Silicon-free liquid shampoo with hair care efficacy
InactiveCN105534822AReasonable formulaGood compatibilityCosmetic preparationsHair cosmeticsScrapSide effect
Owner:LIUZHOU SANNONG TECH
Manufacturing method of shock-resistant lead-acid storage battery plastic case
InactiveCN107337894AExtended service lifeThe formula is scientific and reasonableDomestic articlesMold fillingEngineering
The invention discloses a manufacturing method of a shock-resistant lead-acid storage battery plastic case. The manufacturing method is characterized by comprising the following steps of 1, material weighing; 2, material mixing and pelletizing; 3, injection molding and mold filling; 4, pressure maintaining; 5, sizing demolding. According to the manufacturing method of the shock-resistant lead-acid storage battery plastic case, the manufacturing method of the shock-resistant lead-acid storage battery plastic case is optimized and improved, through reasonable selection of and control over technological conditions, the technological steps are simple, the operability is high, the forming quality is good, the generation of plastic case defects can be greatly reduced, the shock resistance of the obtained plastic case is good, and the service life is prolonged.
Owner:长兴吉兴塑业有限公司
Smooth moisturizing liquid shampoo and preparation method thereof
InactiveCN105616289AAvoid churnPrevent drynessCosmetic preparationsHair cosmeticsGuar hydroxypropyltrimonium chlorideSide effect
The invention discloses a smooth moisturizing liquid shampoo and a preparation method thereof. The smooth moisturizing liquid shampoo is prepared from the following raw materials in parts by weight: 20-30 parts of cocamidopropyl betaine, 10-18 parts of dodecyl amino crylic acid, 5-10 parts of sucrose stearate, 8-12 parts of ammonium laureth sulfate, 1-3 parts of guar hydroxypropyltrimonium chloride, 0.5-1.5 parts of olive oil, 0.2-1 part of rose essential oil, 3-5 parts of seaweed meal, 40-60 parts of traditional Chinese medicine extract liquid, 0.5-1.2 parts of sodium citrate and 200-250 parts of water. The liquid shampoo disclosed by the invention is reasonable in formula, good in component compatibility, abundant in foam, mild in property, free of an organosilicone additive and free of side effect on hair, and is capable of nourishing the hair, deeply preventing moisture for a long period of time, preventing hair dryness and furcation and moisture loss and making the hair smooth, easy to comb, clean, flexible and rich in healthy luster.
Owner:LIUZHOU SANNONG TECH
Lubricating oil for diesel engines
InactiveCN104830433AGood component compatibilityGood piston cleanlinessAdditivesDispersityAntioxidant
The invention relates to the technical field of lubricating oil, in particular to lubricating oil for diesel engines. The lubricating oil comprises, by weight, 60-80 parts of base oil, 20-30 parts of surfactants, 3-9 parts of antioxidants, 2-6 parts of polytetrafluoroethylene, 5-8 parts of cleaning agents and 6-12 parts of corrosion inhibitors. The lubricating oil has the advantages that component compatibility is high; the lubricating oil does not contain metal cleaning agents and has low ash content, high cleaning dispersity is achieved, and high cleanness of pistons of the engines can be kept; oxidation and corrosion resistance and shear stability are high, and proper viscosity of the oil can be kept when the engines are in low-temperature, high-temperature or high-shear environments; abrasion resistance is high, DPF (diesel particulate filter) blocking is prevented, and valve train abrasion is reduced; environment burdens are reduced.
Owner:马健
Method for preparing edible film by cooperating Pleurotus eryngii polysaccharides with chitosan
InactiveCN108991531AFast heat transferHigh yieldFood shapingFood ingredient functionsChemistryPlasticizer
The invention discloses a method for preparing an edible film by cooperating Pleurotus eryngii polysaccharides with chitosan. An ultrasonic wave cooperated boiling technology is adopted to extract thePleurotus eryngii polysaccharides, the ultrasonic treatment generates a cavitation effect and accelerates the heat transfer speed, ethanol in Pleurotus eryngii is heated to boiling before being diffused, and convection generated by the boiling enhances the diffusion of the polysaccharides and other effective components, so the extraction process is enhanced; the chitosan is used as a main film forming material, the extracted bioactive components Pleurotus eryngii polysaccharides are added, glycerol is used as a plasticizer, and a tape casting technology is adopted to prepare the novel ediblecomposite film. The addition of control component and the addition of the Pleurotus eryngii polysaccharides make the edible film have biological health effects, the Pleurotus eryngii polysaccharides have a good compatibility with all components of the composite film, and can improve the physical performances of the composite film to a certain degree; and the Pleurotus eryngii polysaccharide functional product is further developed in the invention, so the Pleurotus eryngii polysaccharides have market values.
Owner:HEFEI FUQUAN MODERN AGRI SCI & TECH
Geographic data acquisition and transmission device
PendingCN107643092AImprove mechanical propertiesEasy to processTransmission systemsMeasurement apparatus housingsData acquisitionComputer science
The invention relates to the technical field of geographic data acquisition devices, and particularly discloses a geographic data acquisition and transmission device comprising a cover shell, a micro-control unit, a detection sensor, a communication module, a state trigger module and a power supply. The micro-control unit transmits the geographic data acquired by the detection sensor to the outside through the communication module. The micro-control unit compares the reference values of the geographic data with those of the state trigger module so as to regulate and control the transmitting frequency of the communication module. The micro-control unit switches the communication path of the communication module according to the transmitting frequency. The geographic data acquisition and transmission device is buried in the area to be monitored in actual use, and the geographic data acquisition and transmission device automatically regulates the transmitting frequency and the communication path used for transmitting according to the acquired geographic data so that the external server is ensured to accurately collect the geographic data of the area to be detected, the loss caused bythe geological disaster can be reduced, the damage degree of the geological disaster can be judged and then different rescue plans can be distributed and dispatched.
Owner:LINOYA ELECTRONIC TECHNOLOGY CO LTD +1
Reagent capable of preventing and eliminating pollution of mammalian cells
ActiveCN106047796AGood compatibilityRemoval of bacterial and mycoplasma contaminationCulture processVertebrate cellsAmino acid compositionAntibiotics
The invention provides a reagent capable of preventing and eliminating pollution of mammalian cells, and belongs to the field of microbial pollution control in mammalian cell culture. A polypeptide having a sequence of SEQ ID NO:1 can be used for preventing and eliminating pollution of the mammalian cells; the reagent is composed of the polypeptide having the sequence of SEQ ID NO:1 and amino acid and does not contain any antibiotic component. The product is prepared in accordance with the concentration required for prevention and elimination of pollution, microbial pollution in the mammalian cells can be effectively prevented and eliminated, and the defects of use restriction of antibiotic components in a conventional product and longer cell treatment period are overcome; and the product is good in stability and easy to preserve.
Owner:GENLOCI BIOTECH
Black halogen-free flame-retardant PC (polycarbonate) film and preparation method thereof
ActiveCN104804389AOvercome technical defects of poor flame retardant effectGood component compatibilityFlat articlesSulfonatePolycarbonate
The invention discloses a black halogen-free flame-retardant PC (polycarbonate) film. The film mainly comprises components in parts by weight, 100 parts of PC resin, 10-40 parts of a halogen-free flame retardant, 0.1-0.5 parts of anti-dripping agent, 0.5-1 part of a heat stabilizer, 4-8 parts of black master batch and 0.5-5 parts of a heat-resistant and anti-scratching agent, wherein the flame retardant is an organic sulfonate flame retardant and / or siloxane flame retardant. All the components of the film are good in compatibility and can be uniformly dispersed in a base material to form a homogenous system, during usage, no precipitate exists on the surface, and the film is non-toxic, harmless and free of pollution. A preparation method of the black halogen-free flame-retardant PC film can be used for reducing the usage amount of a drying tank and is suitable for mass production.
Owner:JIANGSU HANYANG NEW MATERIAL TECH
Preparation method for continuous phase material of emulsion explosive
ActiveCN102452866ADoes not affect product propertiesImprove product qualityExplosivesPolymer sciencePtru catalyst
The present invention discloses a preparation method for a continuous phase material of an emulsion explosive. The raw materials of the continuous phase material comprise, by weight, 0-20% of vacuum distillate oil, 70-95% of vacuum cerate, and 5-20% of residual oil cerate. According to the preparation method, a catalyst is added to the raw materials of the continuous phase material, wherein the weight of the catalyst is 0.1-1.0% of the weight of the raw materials of the continuous phase material; oxygen-containing gas is introduced to carry out a reaction for 2-10 hours at a temperature of 130-180 DEG C; phospholipid is added to the oxidation product to prepare the continuous phase material of the emulsion explosive, wherein the weight of the phospholipid is 0.1-5% of the weight of the raw materials of the continuous phase material. When the continuous phase material prepared by the method of the present invention is used for preparation of the emulsion explosive, the use amount of the emulsion can be substantially reduced under the premise of assurance of the product quality, such that the emulsion explosive production cost is reduced.
Owner:CHINA PETROLEUM & CHEM CORP +1
Glass anti-fog and anti-frost agent and preparation method thereof
ActiveCN111087975AGood characterGood component compatibilityOther chemical processesPolyvinyl alcoholActive agent
The invention provides an anti-fog and anti-frost agent for glass and a preparation method thereof. The glass anti-fog and anti-frost agent comprises the following chemical components in percentage bymass: 1-10% of a composite surfactant, 1-10% of polyethylene glycol, 1-10% of glycerol, 0.1-1% of polyvinyl alcohol, 0.1-1% of an emulsifier and the balance of a mixed solution of ethanol and water.The glass anti-fog and anti-frost agent is colorless, transparent and not prone to turbidity, has an antifogging function and an antifrost function, is lasting in antifogging and antifrost effect, cankeep the antifogging and antifrost effect for 60 days or longer, is small in corrosivity, non-toxic, harmless, free of harm to human health, easy to clean and good in practicability.
Owner:HEBEI CHEM & PHARMA COLLEGE
Dual-modified soybean-based wood adhesive and preparation method thereof
InactiveCN111139029ASolve the problem of releasing harmful human healthIncrease contact areaNon-macromolecular adhesive additivesProtein adhesivesProtein moleculesAdhesive
The invention belongs to the technical field of wood adhesives, and particularly relates to a dual-modified soybean-based wood adhesive and a preparation method thereof. The preparation method comprises the following steps: dissolving soybean protein or a protein mixture mainly comprising soybean protein in water, adding alkaline hydroxide to adjust a pH value of the obtained solution to 7-11, andcarrying out stirring at 50 DEG C for 2 h to prepare a vegetable protein solution; adding urea and protease, and carrying out stirring for 3 hours at 37 DEG C or performing standing overnight at 4 DEG C; and performing high-pressure homogenization to obtain the wood adhesive. The enzyme-modified soybean-based wood adhesive provided by the invention only contains protein, low-concentration weak base and urea, so the problem of formaldehyde release is solved from the source; enzyme crosslinking enables the water resistance of the adhesive to be improved, and urea enables high-molecular-weight protein molecules obtained after enzyme crosslinking to be expanded, so a contact area between the adhesive and wood is increased, adhesive force is enhanced, and good shear strength is shown; the adhesive disclosed by the invention is environment-friendly and pollution-free in formula, and is reduced in the dependence on petrochemical raw materials.
Owner:SHANXI UNIV
Highly wear resistant white coating for computer keyboards
The invention discloses a highly wear resistant white coating for computer keyboards. The white coating contains thermoplastic acrylic resin, hydroxy acrylic resin, a diluent, a dispersant, titanium dioxide, polytetrafluoroethylene wax powder, wax liquor, a silicon dioxide thickening agent and a leveling agent. The highly wear resistant white coating for computer keyboards is reasonable in composition, has good component coordination and excellent comprehensive properties, has viscosity suitable for spraying and good storage property, can meet the wear resistance requirement of products under the thickness of 12-16mu m, without increasing the usage amount of the wear resistant fillers and the like, is suitable for the computer keyboard UV post-laser carving process and gains unexpected technical effects.
Owner:SUZHOU BETELY POLYMER MATERIALS CO LTD
Acrylic resin/organosilicon hybrid composite electronic potting adhesive and preparation method thereof
ActiveCN103012690AImprove impact resistanceGood acid and alkali resistanceGraft polymer adhesivesCross-linkAcrylic resin
The invention provides an acrylic resin / organosilicon hybrid composite electronic potting adhesive and a preparation method thereof. A fluoride-containing hybrid silica sol / fluoride-containing polyacrylate integrated high-performance composite electronic potting adhesive is prepared by in-situ emulsion polymerization; and the formed composite electronic potting adhesive is in a shell-core structure using fluoride-containing inorganic-organic hybrid silica sol as the core and fluoride-containing polyacrylate as the shell. The coated film formed by the shell-core structure composite electronic potting adhesive has favorable impact resistance, acid / alkali resistance, heat resistance and abrasion resistance, and also has the advantages of favorable film-forming properties, favorable blanching resistance and high storage stability. A certain amount of organosilane MEMO is introduced into the polyacrylate to further enhance the glossiness of the coated film; and the formed Si-O-Si cross-linked network has high stability and can not easily produce aggregation of large-size sol particles.
Owner:GUANGZHOU GLORYSTAR CHEM
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