74results about How to "Broad compatibility" patented technology

The invention relates to a process for preparing a solution which comprises urea urethanes and is effective as a thixotropic agent, which involves reacting at least two structurally different monohydroxy compounds with an excess of toluylene diisocyanate to form monoisocyanate adducts, removing the unreacted portion of the toluylene diisocyanate, and reacting the resultant monoisocyanate adducts with diamines in an aprotic solvent in the presence of a lithium salt to form urea urethanes. The invention also relates to the use of the solution to receive thixotropic coating compositions.

The invention discloses a PVC (polyvinyl chloride) waterproof coiled material. The PVC waterproof coiled material is characterized in that: boric sludge or red mud serving as a filling material is added into raw materials of the PVC waterproof coiled material, and the mass percent of the adding amount of the boric sludge or the red mud in the raw materials of the PVC waterproof coiled material to the adding amount of PVC resin is 40-50: 100. The PVC waterproof coiled material has the advantages of flame resistance, corrosion resistance and color exposure; the boric sludge or the red mud serving as the filling material in the PVC waterproof coiled material remarkably improves the use stability and ageing resistance of the PVC waterproof coiled material, and increases the functions of corrosion resistance, fire resistance, self cleaning and the like. A preparation process for the PVC waterproof coiled material is simple, and the boric sludge or the red mud used as the common filling material only needs to be blended.

The invention belongs to the field of polymer/graphene composite materials, and more specifically relates to a polyolefin graphene nanocomposite material, and a preparation method thereof. The preparation method comprises following steps: polyolefin is smashed using a solid phase mechanical reactor, graphene is added, and an obtained mixture is mixed to be uniform; the mixture is grinded using the solid phase mechanical reactor so as to obtain a polyolefin graphene composite powder; the polyolefin graphene composite powder is subjected to extrusion, injection molding or hot press molding so as to obtain the polyolefin graphene nanocomposite material. The preparation method is capable of dispersing graphene preferably, is low in cost, and is friendly to the environment; and the obtained polyolefin graphene nanocomposite material is high in yield strength and impact strength.

The invention provides a red organic electrophosphorescent material iridium metal complex with the structure represented by formula (1). In the formula (1), R is a hydrogen atom or a C1-C4 straight chain or alkoxy group. The red organic electrophosphorescent material iridium metal complex is prepared through the following steps: carrying out a Grignard reaction on an iridium metal complex to prepare a compound C, carrying out dehydration cyclization on the compound C to obtain a cyclomedtalating ligand, carrying out a polymerization reaction on the cyclomedtalating ligand and chromium trichloride hexahydrate in a 2-ethoxyethanol and water mixed solvent to obtain a chlorendic dimer, and carrying out a complex reaction on the chlorendic dimer and acetylacetone to obtain the red organic electrophosphorescent material iridium metal complex represented by formula (1). The above material has good energy transmission efficiency and appropriate red light emitting wavelength, and can be widely used to make red or white phosphorescent electroluminescent devices in order to reduce the power consumption of the devices, improve the performances of the devices and prolong the life of the devices.

The invention relates to a material for construction and decoration and in particular relates to water-based varnish. The formula of the water-based varnish is as follows: 15 to 30 parts of water, 10 to 20 parts of acrylic polymers, 12 to 20 parts of titanium dioxide, 3 to 5 parts of barite powders, 5 to 15 parts of ground calcium carbonate, 3 to 5 parts of kaolin, 3 to 5 parts of mica powders, 0.4 to 0.8 parts of wetting and dispersing agents, 0.3 to 0.4 parts of a defoaming agent, 0.3 to 0.6 parts of a leveling agent, 0.5 to 2 parts of a thickener, 0.2 parts of a multifunctional auxiliary agent, 0.8 to 1 part of a film-forming agent, and 0.8 to 2 parts of a disinfectant and anti-mildew agent. The water-based varnish is made from high-quality acrylic polymers, natural mineral powders and multiple auxiliary agents and refined by the advanced production process. The water-based varnish has the characteristics of environmental friendliness, no toxicity, alkali resistance, mildew resistance, primer-coat property, crack resistance, energy saving, flame retardancy, sound insulation, moisture protection, leakage resistance, strong adhesion, high hardness and dry friction resistance.

The invention relates to an acrylic acid polymerized solution used for water-borne flexible and intaglio printing ink and water-borne oil polish and a preparation method thereof. The compositions by weight percentage of the acrylic acid polymerized solution are: 8 to 12 percent of acrylic ester polymer, 2 to 3 percent of ethanolamine, 25 to 30 percent of water, 20 to 30 percent of butyl acrylate, 7 to 10 percent of styrene, 2 to 5 percent of dimethyl ester, 4 to 6 percent of emulsifier, 10 to 12 percent of water, 0.2 to 0.5 percent of initiator and 2 to 8 percent of water. The acrylic acid polymerized solution is prepared by respective mixture and heat treatment of the various compositions according to corresponding proportions. The acrylic acid polymerized solution has high glaze, good film-forming property, good transfer printing property, low glass temperature and low wettability and dispersity on pigment, is compatible with most water-borne ink resins, and has novel compositions, scientific mixture, simple preparation and low cost.

The invention discloses an isocyanate (environment-friendly) binder for particleboards and a preparation method of the binder. The main components of the isocyanate (environment-friendly) binder for particleboards comprise 30 to 40 parts of isocyanate, 50 to 60 parts of polyol, 1 to 3 parts of initiator, 5 to 10 parts of acrylic acid, 1 to 3 parts of chain extender, 3 to 5 parts of starch, 3 to 5parts of polyvinyl alcohol, 5 to 7 parts of soybean protein, 1 to 3 parts of aqueous tackifier, and 100 to 200 parts of water. The preparation process of the isocyanate (environment-friendly) binder for particleboards of the invention is simple and mature, the production cost is low, the binder is friendly to environment, and the operation is easy to control.

The invention provides a biodegradable blend and a preparation method and application thereof. The biodegradable blend mainly comprises thermoplastic dextrin, polylactic acid, PBSA (poly(butylene succinate-co-adipate)), a chain extender, a lubricating agent and inorganic filler, wherein a preparation method of the thermoplastic dextrin comprises the following steps of: 1) mixing starch and amylase, and standing for 10-20 minutes to obtain dextrin, wherein the weight ratio of the starch to the amylase is (52-80):(2-10); and 2) uniformly mixing the dextrin obtained in the step 1) and a plasticizer and mixing to obtain the thermoplastic dextrin, wherein the weight ratio of the dextrin to the plasticizer is (60-85):(5-40). The blend provided by the invention is an environment-friendly completely-biodegradable material which is widely available and is a renewable resource; and the biodegradable blend provided by the invention has good compatibility, better mechanical property and wider application fields.

The invention relates to a preparation method of thermosetting acrylic resin for electrogilding oil. The preparation method comprises the following steps of: 1) preparing 10 to 30 weight percent of unsaturated polyester intermediate, 5 to 20 weight percent of carboxyl-containing acrylic acid monomer, 2 to 10 weight percent of hydroxyl-containing acrylic acid monomer, 12 to 25 weight percent of styrene monomer, 10 to 30 weight percent of other acrylic acid monomers, 1.5 to 4.5 weight percent of initiator and 30 to 45 weight percent of solvent which serve as raw materials; 2) putting the total formula amount of unsaturated polyester intermediate and partial formula amount of solvent and initiator into a reaction kettle, uniformly stirring, introducing N2, and heating with stirring for temperature rise until refluxing is realized; and 3) dripping the total formula amount of monomer and partial formula amount of initiator and solvent at the refluxing temperature of between 135 and 150 DEGC to form a mixture, preserving the heat at the refluxing temperature of between 135 and 150 DEG C for 2 to 4 hours, replenishing the residual initiator and solvent to form the mixture, preserving the heat for 4 to 6 hours, cooling and stopping the reaction. The thermosetting acrylic resin is applied to the electrogilding oil, has high adhesion performance, high glossiness, high rigidity and highsalt fog resistance, and particularly has high low-temperature bridging performance and high dissolubility when mixed with other resins.

The invention provides a red organic electrophosphorescent material iridium metal complex with the structure represented by formula (1). In the formula (1), R is a hydrogen atom or a C1-C4 straight chain or alkoxy group. The red organic electrophosphorescent material iridium metal complex is prepared through the following steps: carrying out a Suzuki coupling reaction on an iridium metal complex to prepare a cyclomedtalating ligand, carrying out a polymerization reaction on the cyclomedtalating ligand and chromium trichloride hexahydrate in a 2-ethoxyethanol and water mixed solvent to obtain a chlorendic dimer, and carrying out a complex reaction on the chlorendic dimer and an auxiliary ligand acetylacetone to obtain the red organic electrophosphorescent material iridium metal complex represented by formula (1). The above material has good energy transmission efficiency and appropriate red light emitting wavelength, and can be widely used to make red or white phosphorescent electroluminescent devices in order to reduce the power consumption of the devices, improve the performances of the devices and prolong the life of the devices.

The invention provides a red organic electrophosphorescent material iridium metal complex with the structure represented by formula (1). In the formula (1), R is a hydrogen atom or a C1-C4 straight chain or alkoxy group. The red organic electrophosphorescent material iridium metal complex is prepared through the following steps: carrying out a Suzuki coupling reaction on an iridium metal complex to prepare a cyclomedtalating ligand, carrying out a polymerization reaction on the cyclomedtalating ligand and chromium trichloride hexahydrate in a 2-ethoxyethanol and water mixed solvent to obtain a chlorendic dimer, and carrying out a complex reaction on the chlorendic dimer and the cyclomedtalating ligand to obtain the red organic electrophosphorescent material iridium metal complex represented by formula (1). The above material has good energy transmission efficiency and appropriate red light emitting wavelength, and can be widely used to make red or white phosphorescent electroluminescent devices in order to reduce the power consumption of the devices, improve the performances of the devices and prolong the life of the devices.

The invention discloses a compound bag for packaging drugs and a preparation method thereof and belongs to the field of drug packaging materials. The compound bag material for package comprises a heat-sealing layer, a blocking layer, an aluminium-foil layer, a bonding layer and a weather-resistant layer, wherein the first layer is the heat-sealing layer comprising the components of metallocene polypropylene with high melting point and vinyl-octene copolymer; the second layer is the blocking layer comprising medicine or food-grade polyvinylidene chloride (PVDC) and oxidized polyethylene; the third layer is the aluminium-foil layer; the fourth layer is the bonding layer comprising the components of maleic-anhydride modified polypropylene and nano silicon dioxide aerogel particles; the fifthlayer is the weather-resistant layer comprising a low-density polyethylene film. The compound bag for packaging the drugs disclosed by the invention has the beneficial effects that the structure is simple, the water-oxygen blocking property is high, the heat-insulating property is good, the application range is wide, and the need of people in the aspects of package and use of drugs can be met; simultaneously, the preparation method adopts an extruding machine for extrusion and layering and then adopts an adhesive for adhesion, is simple and easy in implementation, is fast and is suitable for large-scale production.

The invention discloses a boron esterification reaction method of alkyl bromide without transition metal catalysis. The method includes: in the absence of a metal catalyst, dissolving 1 equivalent ofalkyl bromide, 1-5 equivalent of diborate, 1-5 equivalent of silane and 1-5 equivalent of a free radical initiator in an organic solvent, sealing the reaction system, and carrying out stirring reaction at 20-150DEG C to obtain alkyl borate. The method for synthesis of alkyl borate from alkyl bromide is simple and efficient, has no need for transition metal catalysis, and only needs diborate serving as a boron source, silane and the free radical initiator are added for reaction under a heating condition, the method shows wide functional group compatibility, can convert various alkyl bromides into borate thereof, and has considerable yield. The obtained product alkyl borate can be applied to Suzuki coupling and other important reactions in the organic synthesis field, and then can be converted into a series of compounds with application value.

The invention relates to the field of coating, and provides a color paste. The color paste comprises a light stabilizer, which can shield or absorb the energy of ultraviolet rays, but does not changeitself and can prevent the destruction of sunlight or other harmful ultraviolet light. Through use of a surfactant and a solvent in the color paste, the stability of the color paste is improved, and through addition of a high molecular dispersing agent, the compatibility of the color paste is wider; in addition, the invention further provides a preparation technology of the color paste. By the preparation technology, the color paste with good light resistance, stability and compatibility can be prepared.