67results about How to "Good film forming performance" patented technology

The invention relates to the field of synthetic leather material polyurethane, in particular to a preparation method of high-solid-content aqueous polyurethane for leather. The method comprises the process steps of: prepolymerization reaction: reacting polyol, a hydrophilic chain extender and isocyanate monomer; monomer modification: adding polyhydroxy monomer to be modified together with polyurethane prepolymer; salt formation by neutralization: adding a neutralizing agent so that an emulsion forms salt ion groups; and chain extension subsequent to emulsification: dissolving an external emulsifying agent and a sulfonic acid chain extender in water to obtain a solution and adding the solution to the system for performing emulsification. In the invention, the emulsification property of theemulsion is improved by using carboxylic acid type and sulfonic acid type chain extenders, so that polyurethane and water are fully emulsified; simultaneously, due to the employment of the method in which self emulsification and external emulsification are combined, not only the stable emulsion can be synthesized, but also the solid content can be increased; in addition, the use of water as the solvent in emulsification is consistent with the requirement of clean production process; and the finally-synthesized emulsion has good film forming performance, high drying speed, no yellowing, excellent mechanical properties and short process flow, is suitable for the synthesis of leather substrates or surface materials, and can take the place of solvent-type products.

The invention discloses a method for preparing a titanium-zirconium / polyhydroxy esterified product composite conversion coating of an aluminum alloy surface, which comprises the following steps of pre-treating and washing the aluminum alloy surface, diluting treating fluid by 19-20 times to serve as a working solution, adjusting a potential of hydrogen (pH) value to be in a range of 4.0-6.0, and placing aluminum alloy into the working solution to perform chemical conversion coating treatment, wherein the treating time is 3-10 min and the treatment temperature is 20-50 DEG C; and then performing washing, drying and cooling to obtain the titanium-zirconium / polyhydroxy esterified product composite conversion coating. The treating fluid comprises, by concentration, titanate 2-5 g / L, zirconate1-2.5 g / L, nitric acid 2.5-6 g / L, ammonia water 0.5-2 g / L, accelerating agent 6-9 g / L and polyhydroxy esterified product 2-7 g / L. An aluminum surface chromium-free treating method is low in treating temperature and short in treatment time, and a yellow composite conversion coating can be formed on the aluminum alloy surface. The conversion coating is excellent in corrosion resistance, high in bond strength with base metal, simple in process, low in treating fluid concentration, capable of effectively replacing an aluminum alloy surface chromate treatment process and wide in application prospect.

The invention provides a process for preparing atom oxygen resisting coating solution which comprises, mixing tetraethoxysilane, nano silicon oxide, nano aluminium oxide and silicane coupling agent (such as KH570) by a predetermined proportion, dissolving into ethanol solution, stirring with magnetic mixer, charging water and inorganic acid, finally stewing the obtained solution for 1 hr. The obtained solution can be used for making the surface covering for polyimides, which has atom oxygen resisting property, thus can be used for aircrafts in low orbit space.

The invention relates to a silicious benzanthracene organic electroluminescent material, and a preparation method and application thereof. The invention solves the technical problem that the blue light material in the prior art can not satisfy the requirement of industrialized development. The silicious benzanthracene organic electroluminescent material provided by the invention is an R1 / R2-substituted silicious benzanthracene compound prepared by reacting R1 / R2-substituted amine compound and silicious benzanthracene bromine substitute. Due to the introduction of substituted groups, the material has the advantages of higher solubility, favorable film-forming properties and higher luminescence efficiency, and is suitable for manufacturing an OLED (organic light-emitting diode) device. The material has the characteristics of simple preparation method, low cost and higher yield, and is easy to purify. The organic electroluminescent material can be used as a luminescent material, luminescent main body material or transmission material in an electroluminescent device, and has wide prospects.

The invention discloses a dampproof mildew-resistant paint for bamboo and wood, which comprises (by weight portion) common resin 50-60 parts, mineral wax 35-45 parts, China wood oil 5-15 parts, and 0.1-0.25 part of curing agent of copper oxide, lead monoxide can also be added.

The invention discloses a persimmon acerbity-removing fresh-keeping agent containing attapulgite, and adopts the technical essential that the persimmon acerbity-removing fresh-keeping agent containingattapulgite contains pasty attapulgite clay, apple, pear, calcium oxide, alcohol, sodium diacetate, super-absorbent resin and deionized water. A production method comprises the steps of dosing, stirring, crushing, grinding, stirring, degasifying and canning to prepare the finished product of the persimmon acerbity-removing fresh-keeping agent containing attapulgite. The persimmon acerbity-removing fresh-keeping agent containing attapulgite has good film-forming properties and rapidly forms a sealing film as a protection layer after being coated on the surfaces of persimmons, and the protection layer can inhibit and kill various kinds of mycete and bacteria and other putrefying bacteria and effectively prevent the loss of the nutrient substances and moisture of the persimmons; in the fresh-keeping process, the acerbity gradually disappears, and the persimmons have crispy and tasty pulps and are suitable for long-time storage and long-distance transportation. The persimmon acerbity-removing fresh-keeping agent containing attapulgite can be sprayed and painted and can also be dipped and covered on the surfaces of persimmons.

The invention discloses a bacteriostasis, sterilization and air purification type aqueous coating for glass doors. The coating is prepared by using the following raw materials, by weight, 30-34 parts of aqueous hydroxy acrylic resin, 7-9 parts of an aqueous film forming assistant, 13-15 parts of an organosilicon polyester resin emulsion, 12-14 parts of aqueous polyurethane resin, 0.6-1.2 parts of methyltrimethoxysilane, 0.7-1.3 parts of tributyl citrate, 1-2 parts of selenious nitrate, 0.2-0.3 parts of rare earth chloride, 0.3-0.5 parts of rosin-polythylene oxide ester, 2-3 parts of dipropylene glycol monomethyl ether, 1-2 parts of polytetrafluoroethylene, 2-3 parts of m-phenylenediamine, 1-2 parts of a pigment, 1-3 parts of N-methyldiethanolamine, 1-2 parts of activated clay, 1-3 parts of alpha-cyanoacrylate, 2-4 parts of chitosan fiber, 0.3-0.4 parts of propoxylated lanolin alcohol, 1-2 parts of sodium citrate and 13-16 parts of deionized water. The aqueous coating for glass has the advantages of excellent performances, substantial sterilization and mildew prevention effects, air purification, environmental protection, and suitableness for popularization.

The present invention relates to one kind of polyurethane-imide (PUI) material and it preparation process and application. The PUI material is prepared in N, N-dimethyl formamide (DMF) solvent with TDI and DR-19 or DR-1 with active hydroxyl radical, and through pre-polymerization to form pre-polymer with non-linear chromogenic molecule and -NCO terminal, and the subsequent polycondensation reaction of the pre-polymer and maleic anhydride monomer first at 40-110 deg.c for 40 min to 4 hr and then reflux at 90-200 for 1-5 hr. The PUI material as one polymer material containing non-linear optical radical has non-linear optical property, high heat stability and great thermo-optical coefficient, and may find broad application in integrated optics, logic optics, thermo-optical switch, etc.

The invention provides a silicon-containing organic luminescent material as well as a preparation method and an application of the organic luminescent material. The problem that the luminescent efficiency of the blue-light emitting material in the prior art is low. Di(4-bromophenyl)biphenyl silane and A substituent-containing anthracene boric acid are used as the raw materials of the material provided by the invention. The silicon-containing organic luminescent material obtained through reaction has high luminescent efficiency and is a novel electroluminescent material with high performance. The preparation method is simple in synthesis step, low in cost and is suitable for large industrialization requirement. The silicon-containing organic luminescent material provided by the invention can be used as a luminescent material, a luminescent main material or a transmission material due to the high luminescent efficiency, can be applied to an electroluminescent device, and is an organic electroluminescent material with a bright prospect.

The invention belongs to the field of photoelectric materials and specifically provides an organic electrophosphorescent main body material. A structural formula of the organic electrophosphorescent main body material is as shown in formula (1) in the specification, wherein R is H or C1-C6 alkyl. The organic electrophosphorescent main body material disclosed by the invention has excellent dissolving performance, film-forming performance and thermal stability, and has higher electron transporting performance. The invention further provides a preparation method of the organic electrophosphorescent main body material and an organic electroluminescence device containing the organic electrophosphorescent main body material.

The environment-friendly fireproof coating is prepared from the following raw materials: intercalated phase-change energy storage material modified core-shell emulsion, low-molecular-weight epoxy resin, phenolic fibers, a flame retardant, pigments and fillers, a plasticizer, a thickener, a flexibilizer, an emulsifier and a dispersing agent; the intercalated phase change energy storage material modified core-shell emulsion is a bentonite-urea intercalation compound modified acrylate core-shell emulsion; the low-molecular-weight epoxy resin is low-molecular-weight bisphenol F epoxy resin, and the average molecular weight of the low-molecular-weight epoxy resin is less than 700. According to the invention, the components are adjusted to the most scientific and most reasonable state; related properties and part of technical indexes such as flame retardance, rust resistance, waterproofness, leveling property and strength of the fireproof coating are improved, the cost is low, the coating isuniform, continuous, compact and wear-resistant; the toughness, coloring property, adhesiveness, dryness, certain gloss and other properties of the coating are improved, and the product quality is improved.

The invention relates to a preparation method of a propylene-alpha-olefin random copolymer, which comprises the following steps: (1) carrying out a prepolymerization reaction on a Ziegler-Natta catalyst; (2) in the presence of the catalyst and in a hydrogen atmosphere, controlling the polymerization temperature to be 0-150 DEG C through regulating the adding amount of comonomer alpha-olefin, and carrying out a polymerization rection between propylene and alpha-olefin to obtain the propylene-alpha-olefin random copolymer. The preparation method is easy in polymerization process, and can avoid condition that antisticking agents for vessels, agglomerations and residue monomers are difficult to remove thoroughly.

The invention relates to a granular solid corrosion inhibitor and a preparation method thereof, and belongs to the technical field of metallic material anticorrosion. The granular solid corrosion inhibitor comprises, by weight, 50-55 parts of main corrosion inhibitor, 5-10 parts of synergist, 2.5-21 parts of film forming agent, 4-11 parts of adhesives, 3-5 parts of lubricants, 5-8 parts of non-ionic surfactant and 20-25 parts of weighting agent. The main corrosion inhibitor is an imidazoline quaternary ammonium salt. The granular solid corrosion inhibitor is non-toxic and does not harm the oillayer, and the dissolved agent is dispersed in the produced liquid, and is uniformly adsorbed on the inner wall of an oil casing with the produced liquid, thereby inhibiting corrosion and prolongingthe anti-corrosion period.

The invention discloses a preparation method of a nanofiltration composite membrane capable of being used for softening water. A trimesic acid crosslinking agent and polyethyleneimine are crosslinkedon the surface of an ultrafiltration membrane to obtain a composite layer, and the charge effect of the membrane surface is enhanced by quaternization, thereby enhancing the selectivity. The advantages of good hydrophilicity, strong charge property, stable film-forming property and the like of polyethyleneimine are fully exerted, and the desalination rate and the water flux are greatly improved. The membrane preparation process is simple, process parameters are easy to optimize, raw materials are cheap and easy to obtain, and expanded production of the nanofiltration composite membrane is facilitated; after amino quaternization, the charge effect is enhanced, and the membrane selectivity is further improved.

The degradable mulching product is prepared with 5000PPM activating ClO2 10-20 wt%, superfine ore powder 20-30 wt%, starch material 10-20 wt%, and honey locust gum powder or honey locust gum powder mixture 40-50 wt%. The degradable mulching can maintain temperature water and fertilizer of soil, raise plant seedling growth speed, etc. What is more important is that after the crop is harvested, the degradable mulching may decompose fast to kill bacteria and pests in soil and provide plant with nutrients without polluting soil and environment.

The invention provides a flexibility-enhanced polyurethane. A preparation method of the flexibility-enhanced polyurethane comprises the following reaction steps: 1, preparation of an ionic liquid polymer with a dihydroxy group; 2, preparation of an ionic liquid polymer modified polyurethane prepolymer; and 3, preparation of the flexibility-enhanced polyurethane. The modified polyurethane preparedby the preparation method has the advantages of high flexibility, good film forming property, strong mechanical properties, high thermal stability, high chemical stability, high tensile strength, difficult shedding or explosion, energy saving, environmental protection and wide application range.

The invention discloses concrete surface waterproof coating and a preparation method and application thereof. The concrete surface waterproof coating is a hydrophobic emulsion, and the hydrophobic emulsion is prepared from the components in parts by weight: 300-600 parts of deionized water, 12-60 parts of a siloxane polymer and 15-30 parts of water-soluble PVA fiber. During using, the hydrophobicemulsion impregnates a mortar test block, and thus hydrophobic concrete with the contact angle being 120-145 degrees and smooth surface can be obtained. The concrete surface waterproof coating has theadvantages that a preparation technology of the hydrophobic emulsion is simple, good compatibility between the PVA fiber and the concrete surface is achieved, binding of the hydrophobic emulsion andthe concrete surface is more facilitated, the organic macromolecule emulsion is good in film forming property and has certain durability, operation is easy, and the concrete surface waterproof coatingis suitable for large-scale production.

The invention relates to the field of new energy and sewage treatment, and aims at providing a preparation method of a cuprous oxide coated molding carbon material. The method comprises the followingsteps of grinding and cleaning a molding carbon material, and soaking in mixed solution of copper nitrate and a stabilizer; carrying out electric reduction treatment; washing with deionized water, andsoaking in the deionized water at room temperature; and carrying out vacuum drying under a dark condition to obtain the cuprous oxide coated molding carbon material. According to the method, the molding carbon material is used as a cuprous oxide substrate material for the first time and more conforms to the actual application requirements; a prepared product has remarkable photoelectric responseunder the visible light irradiation; the thickness of a cuprous oxide thin film can be adjusted by regulating the current density and the electrodeposition time; the preparation method is simple, thefilm forming effect is stable, and mass production is facilitated. The method is carried out at low temperature, the current density is small, the current utilization rate is high, and the energy costis low. The used electrolyte is low in heavy metal content and easy to treat.

The invention relates to a carbon material surface loading technology and aims to provide a method of loading titania microflowers on a shaped carbon material. The method comprises the following steps: placing the washed shaped carbon material obliquely and immersing in a hydrothermal reaction liquid and then sonicating for 5-20min; sealing the hydrothermal autoclave and keeping the reaction at 140-180 DEG C for 2-5h; cooling to the room temperature, taking out the carbon material; washing with deionized water for 4 to 8 times, immersing in deionized water for 20min at the room temperature, and then drying for 2h at 120 DEG C and dark conditions; performing heat preservation on the dried carbon material at 450 to 550 DEG C for 0. 5 to 2h, cooling to the room temperature and obtaining the titania microflowers coated carbon material. The titania microflowers prepared by the invention has the advantages that the distribution is dense and uniform, the morphology is complete, under xenon lamp irradiation, a significant photoelectric response exists; the thickness of the titania film can be adjusted by controlling the ratio of ethanol and deionized water in the hydrothermal reaction liquid; hydrothermal method is simple, the cost is low, the energy consumption is low, the film formation is stable and the method is suitable for mass production.

An organic EL device has a layer containing a polyimide having a triphenylamine derivative (TPD) unit. The use of the polyimide as a polymer layer material can ensure solvent selectivity in coating the light-emitting layer and the organic EL device exhibits good luminance efficiency even after a prolonged period use.

The invention discloses a film coating agent for treating onychomycosis and a preparation method thereof, which relate to a film coating agent and a preparation method thereof. The film coating agent is prepared from a main medicament, a plasticizer, a penetration enhancer, a film forming agent and a medicament solvent. The method comprises the following steps of: weighing raw materials; mixing the film forming agent with water to obtain a substance A, and adding the plasticizer to obtain a colloid B; adding the main medicament into the medicament solvent for performing ultrasonic dissolving, and adding the permeation enhancer to obtain a substance C; and adding the substance C into the colloid B, mixing uniformly, and adjusting a pH value to 5.0 to obtain the film coating agent. The film coating agent for treating onychomycosis disclosed by the invention has the advantages of capability of directly penetrating nail sheets to the deep of connective tissues of nail bed parts for killing fungi and treating onychomycosis, high effective medicament concentration, high transdermal capability, remarkable curative effect, no irritation, no toxic or side effect, capability of completely curing onychomycosis, clinical administration safety, freeness from untoward reactions and reliable curative effect. The preparation method of the film coating agent for treating onychomycosis has the advantages of simple process, simple and convenient content measuring method, stable quality and suitability for medicinal industrial production.

The invention discloses water-based environment-friendly coating and a preparation method thereof. The water-based environment-friendly coating comprises the following components in percent by weight:25-33% of water, 15-28% of an environment-friendly odor-less emulsion, 1.0-2.0% of a freeze-thaw stabilizer, 0.5-1.0% of a dispersing agent, 0.15-0.3% of a wetting agent, 0.5-0.7% of a defoaming agent, 0.15-0.35% of a PH regulator, 14-23% of titanium dioxide, 10-12% of kaolin, 0-2.0% of diatomite, 5.0-20% of calcium carbonate, 0.8-1.5% of a thickening agent and 0.1-0.5% of a sterilizing agent. The water-based environment-friendly coating has good stability and dispersion and excellent scrubbing resistance; the water-based environment-friendly coating has low VOC, formaldehyde and heavy metalcontents which are close to zero, and is free of APEO. By the preparation method of the water-based environment-friendly coating, a technological condition is controllable, and the prepared water-based environment-friendly coating has good dispersion and stability and stable film forming performance.

The invention provides aqueous fluorine-containing resin which is characterized by comprising the following preparation raw materials in parts by weight: 30-60 parts of isophorone diisocyanate, 50-100parts of polyether polyol, 5-10 parts of dimethylolpropionic acid, 10-20 parts of a fluorine-containing chain extender, 5-10 parts of a neutralizing agent, 10-20 parts of ethanediamine and 230-460 parts of deionized water, wherein polyether polyol comprises one or a mixture of two of PTMG1000 and N210,and the neutralizing agent is triethylamine. A preparation method is mild in experiment conditions, simple to operate, and suitable for industrial production, and the aqueous fluorine-containing resin can be widely used for protecting airplanes, ships, buildings, traffic and various mechanical equipment.

The invention provides a quick-drying adhesive for a BOPP adhesive tape and a preparation method thereof. The preparation method includes: (1) dissolving sodium dodecyl sulfate and hexadecane with 1 / 2weight part of deionized water, then adding butyl acrylate, hydroxyethyl acrylate and vinyl acetate, and performing mixing and stirring to obtain a pre-emulsion; (2) dissolving alkylphenol polyoxyethylene and ammonium persulfate with residual water, placing the mixture in a reaction kettle and performing heating, then adding 1 / 2 weight part of the pre-emulsion dropwise into the reaction kettle for reaction; (3) adding p-tert-butyl phenolic resin, allyl modified alkyl phenolic resin, barium sulfate and tung oil into the remaining pre-emulsion, mixing the substances evenly, and then adding themixture dropwise into the reaction kettle; and (4) at the end of adding in a dropwise manner, performing natural cooling, adding tert-butyl hydroperoxide, then adding sodium formaldehyde sulfoxylate,and finally using ammonia water to adjust the pH to 6-7, thus obtaining the quick-drying adhesive for BOPP. The quick-drying adhesive for a BOPP adhesive tape provided by the invention has the characteristics of good film-forming properties and fast drying speed.

The invention discloses a water and corrosion resistant quick-drying aqueous coating for glass doors. The coating is prepared by using the following raw materials, by weight, 30-34 parts of aqueous hydroxyl acrylic resin, 7-9 parts of an aqueous film forming agent, 2-3 parts of methyldichlorosilane, 12-14 parts of aqueous phenolic epoxy resin, 13-15 parts of a polyimide emulsion, 1-2 parts of ceramic powder, 0.5-1.0 part of a silane coupling agent KH602, 0.2-0.4 parts of dimethyl silicone oil, 0.2-0.4 parts of liquid paraffin, 2-3 parts of diethylene glycol butyl ether, 2-4 parts of 2-phenoxyethyl acrylate, 1-2 parts of activated rubber powder, 0.3-0.5 parts of bisethyl phenol polyoxyethylene ether, 0.6-1.2 parts of rare earth nitrate, 2-3 parts of diethylenetriamine, 1-3 parts of a pigment, 2-3 parts of alpha-terpineol, 0.2-0.3 parts of oleic acid triethanolamine and 13-16 parts of deionized water. The aqueous glass coating has the advantages of quick drying speed, water resistance, ageing resistance, corrosion resistance and environmental protection, and can be widely used in household glass decoration.

The invention relates to a PC thin film material which is prepared from PC, cobalt aluminate, magnesium hydroxide, stannous octoate, a silane coupling agent, methyl acrylate, talcum powder, antimonous oxide, polybutylene terephthalate, benzoyl peroxide, potassium persulfate, hydroxypropyl methyl cellulose, p-tert-octyl phenol, white carbon black, barium stearate, polymethylphenyl siloxane fluid, graphite powder, molybdenum disulfide, Fischer-Tropsch wax and sodium alkyl benzene sulfonate.The PC thin film material is good in film forming performance, environmentally friendly, flame-retardant, low in smoke and toxin, high in glow wire ignition temperature (GWIT is larger than or equal to 900 DEG C), high in glow wire combustion temperature (GWFI is larger than or equal to 960 DEG C) and high in oxygen index (LOI is larger than or equal to 44), suitable for the electronic and electric appliance field such as keyboard insulation, television / displayer insulation and computer main board insulation.

The invention discloses water-based environment-friendly carpentry paint and a preparation method thereof. The water-based environment-friendly carpentry paint is prepared from, by weight, 40-60 parts of fluorocarbon-modified acrylic emulsion, 20-30 parts of vinyl acetate-acrylic emulsion, 1.5-3.5 parts of bentonite, 1-3 parts of glass powder, 0.3-0.8 part of wax emulsion, 5-10 parts of dodecanol ester, 1.5-3 parts of an auxiliary and 10-15 parts of water. Accordingly, all the components achieve a synergistic effect, the prepared water-based carpentry paint is high in glossiness, does not release formaldehyde, is nontoxic, harmless and high in environmental friendliness, an obtained paint film is high in hardness and excellent in scratch resistance, the hardness can reach 3 H after the paint film is actually and completely dried for 48 h, the weather resistance is good, and construction is easy.

The invention provides a high-temperature-resistant leather finishing agent prepared from the following raw materials in parts by weight: 15-24 parts of polyether polyol, 2-8 parts of a hydrophilic chain extender, 3-7 parts of castor oil, 12-18 parts of water-soluble epoxy resin, 8-14 parts of 3-allyloxy-2-hydroxyl acrylate sodium iodate, 3-4 parts of acetic ether, 1.2-2 parts of titanium dioxide, 6-8 parts of turpentine, 3-7 parts of an inorganic pigment, 2-5 parts of perchloro-ethylene resin, 4-8 parts of dibutyl phthalate, 5-7 parts of oxidized paraffin and 0.8-1.4 parts of alkyl sodium sulfonate. The high-temperature-resistant leather finishing agent provided by the invention has the beneficial effects of being very good in high temperature resistance and chemical stability and extremely good in film forming property, ensuring that a coated film is folding-resistant and flexible and leather is exquisite in hand feeling, and not influencing the environment.

The invention discloses acrylic acid polymerization solution serving as water-based ink, which comprises the following components as follows by weight: 6% to 25% of acrylate polymer, 25% to 40% of butyl acrylate, 7% to 25% of styrene, 2% to 25% of dual methyl ester, 4% to 10% of benzyl phenol polyoxyethylene ether, 0.2% to 0.5% of azoic compound initiators and 40% to 60% of water. The acrylic acid polymerization solution has the advantages of high gloss, good film-forming performance, good transfer performance, low glass transition temperature, good moisture dispersibility to pigment and wide compatibility. The acrylic acid polymerization solution is capable of being compatible with a large amount of water-based ink resin, novel in component, scientific in dosing, simple to prepare and low in cost.