495results about How to "Good color retention" patented technology

The invention relates to a water-based primer-topcoat braking paint and a preparation method thereof. The braking paint comprises the following materials by weight percentage: 30-40 of water-based acrylic resin, 2-10 of amino resin, 1-3 of neutralizing agent, 2-5 of compound rustproofing pigment, 1-3 of tinting pigment, 10-20 of filling agent, 0.1-0.5 of defoaming agent, 0.1-0.5 of flatting agent and 25-40 of deionized water, wherein the water-based acrylic resin is a free radical polymerization resultant which comprises the following materials by weight percentage: 10-30 of monomer containing hydroxy acrylic acid, 5-20 of monomer containing carboxyl acrylic acid, 2-8 of internal crosslinking monomer, 20-40 of other acrylic acid monomer, 15-30 of phenyl ethylene monomer, 1-5 of evocating agent and 40-50 of alcohol ether latent solvent. When the paint is prepared, the dispersion and the abrading condition of the pigments and the filling agents are reasonably controlled to ensure that each component of the paint fully plays the respective function. The paint ensures the corrosion prevention effect and the decoration of a coating and realizes the combination of a primer and a topcoat.

The invention discloses nano-silica sol-modified outer wall paint and a preparation method thereof. The nano-silica sol-modified outer wall paint comprises, by weight, 10-25% of nano-silica sol, 0.1-0.2% of a coupling agent, 0.2-2.0% of a neutralizer, 10-30% of an acrylic emulsion or a styrene-acrylic emulsion, 10-15% of a pigment, 10-20% of a filler, 0.2-0.4% of a dispersant, 0.2-0.4% of a wetting agent, 0.3-2.0% of a thickening agent, 0.2-0.4% of an antifoaming agent, 0.4-0.6% of a mildew-resistant antiseptic, 0.6-1.4% of an antifreezing agent, 0.4-1.2% of a film forming assistant and 20-30% of deionized water. The invention also provides the preparation method of the nano-silica sol-modified outer wall paint. The nano-silica sol-modified outer wall paint has good storage stability and can form a paint film which does not effloresce and fall off easily, has good permeability, does not mildew easily, and has excellent water resistance and alkali resistance.

The invention discloses a heat reflective insulating stoving varnish coating and a preparation method thereof. The stoving varnish coating comprises the following components in percentage by weight: 40-60% of a film-forming resin, 8-15% of a mixed solvent, 10-25% of an infrared reflective pigment, 1-5% of insulating powder, 6-15% of filler and 1.2-3.5% of an auxiliary, totaling 100%, wherein the film-forming resin comprises a mixture of thermosetting acrylic resin, acrylic resin and amino resin. As the film-forming resin contains the above three main resins, the stoving varnish coating has good weather ability, mechanical property and chemical resistance. As the infrared reflective pigment and heat insulating powder are added into the raw material, the coating is high in reflection efficiency of sunlight and good in insulating effect.

The invention provides a preparation method of oxidative cationic modified starch slurry, which comprises the following steps of: firstly, dissolving starch into water to prepare starch milk; secondly, using an oxidant namely sodium hypochlorite to perform oxidation reaction with the starch to obtain oxidized starch; thirdly, removing chlorine; fourthly, adopting a cationic etherifying agent to perform etherification reaction; and finally, performing dehydration and drying. When the modified starch prepared from the starch serves as the slurry, the slurry not only has the characteristics of high fluidity, low viscosity and high concentration usage of oxidative starch slurry, but also solves the problem that the oxidative starch has poor thermal stability through quaternary ammonium etherification, and simultaneously, the slurry additionally obtains the following advantages that: the adhesiveness to a warp is significantly improved; the serous membrane forming capacity is strong, and the slurry is difficult to break and burst; the paste viscosity is stable, and the fluidity is good; the slurry has certain hygroscopicity, and has high co-solvency with a synthetic slurry; a membrane is easy to be dissolved in water, and is easy to desize; and paste solution has high thermal stability, is not influenced by high heat fusing, and the like.

The invention provides a tea dynamic dryer, the structure includes machine rack, drum, outer cover shell, tea inlet bucket, the drum upon the machine rack is placed on the friction wheel and supporting wheel, the lower part of the tea inlet bucket is adapted to one end of the drum tea inlet dynamic-static interval, which is characterized in that: the other end of the air inlet pipe is connected to the hot air transmitting pipe through the floating pipe; the cross sectional area of the central air pipe is gradually reduced from the air inlet end; outer ring surface of the drum is longitudinally equipped with many bar shaped plates; the machine rack is equipped on the machine rack through the swivel-pin, the machine rack horizontal angle modulation mechanism is equipped between the machine base and the machine rack. Under the conditions that the tea is in dynamic, suspending state and is desiccated, the machine has the advantages as follows: the utilization rate of equal diameter drum useful space is high, the waste hot wind is not easy to resort around the drum, the hot efficiency is high, the running time of tea in the drum can be effectively controlled according to the processing demand.

The invention discloses a preparation method of a low-temperature curing water-based acrylic amino baking coating, belonging to the field of a production technology of a water-based amino baking coating. The method comprises the following steps of: mixing water, a wetting dispersant, an antifoaming agent, an anti-settling agent, a color filler, anticorrosion filler and water-based epoxy modified acrylic resin, and dispersing uniformly to obtain slurry; in a stirring state, adding water-based amino resin, an anti-flash rust agent, a drier and a leveling agent into the ground slurry; and dispersing uniformly by a high-speed dispersing machine. The water-based acrylic amino baking coating provided by the invention is convenient to produce, the product has a single component, the diluent is water, the cost is low, and the product is environment-friendly; and after being diluted, the water-based acrylic amino baking coating is directly subjected to spray construction, the construction is convenient, the curing temperature is low, the drying speed is high, the construction efficiency of the water-based acrylic amino baking coating is improved, the resources are saved, and the cost is lowered. The dried film is flat, full and bright, and has good gloss retention and color retention and excellent mechanical performance, water resistance and corrosion resistance; and the film is resistant to grease and high temperature.

The present invention is granular iron oxide red pigment of grain size of 5-100 mesh and its preparation process. The preparation process includes the following steps: compounding water solution of additive in the concentration of 0.3-10 % and heating to 30-100 deg.c; spraying the water solution to iron oxide red in a pelletizing machine to form the granular pigment gradually with the weight ratio of iron oxide red to the water solution being 100 to 15-40; and vibration sieving and stoving to obtain the product. The additive is the combination of two or more of CMCNa, PVA, sodium silicate, glutin, sodium lignosulfonate and ferrous sulfate. The granular iron oxide red pigment has the same performance and use effect as the powdered iron oxide red pigment and is favorable to prevent dust pollution, and may be used to replace powdered iron oxide red pigment.

The invention relates to a nanometer silicon wall paint for an external wall, which is prepared by using the following raw materials by weight part: 20-40 parts of de-ionized water, 0.5-0.8 parts of dispersing agents, 0.1-0.3 parts of wetting agents, 0.1-0.3 parts of bactericides, 1-3 parts of anti-freezing agents, 0.1-0.2 parts of pH regulators, 0.2-0.4 parts of de-foaming agents, 15-25 parts of pigments, 15-25 parts of fillers, 5-8 parts of nanometer calcium carbonate, 0.2-0.4 parts of mildew preventives, 0.3-1.0 parts of thickening agents, 15-35 parts of silicone acrylic emulsions, 3-5 parts of organic silicon modified acrylic ester polymerized emulsions and 0.5-1.0 parts of film-forming auxiliaries. The nanometer silicon wall paint for the external wall has a hydrophobic self-cleaning effect and has super climate resistance.

The invention relates to a cathode electrophoretic (CED) coating, in particular to a resin emulsion for a hydrophobic cathode electrophoretic coating and a preparation method thereof. The resin emulsion for the hydrophobic cathode electrophoretic coating is prepared by reacting cation fluorocarbon resin with a full sealing polyisocyanate crosslinking agent containing an active hydrogen compound as a sealant, then acidifying and adding deionized water to be dispersed; the cation fluorocarbon resin is prepared by polymerizing an acrylic acid monomer containing a fluorine monomer and a functional monomer through a solution and carrying out ring opening; and the full sealing polyisocyanate crosslinking agent accounts for 20-25% of the whole monomer mass and is prepared by reacting polyisocyanate with the sealant in the presence of a catalyst. After the resin emulsion is prepared into a cathode electrophoretic coating varnish and forms a film, a contact angle of a coating film and water is 100-120 degrees, therefore, the hydrophobicity, the weathering resistance and the decoration of the water-borne cathode electrophoretic coating are greatly improved.

The invention discloses one-component polyurethane waterproof paint and a preparation method thereof. The one-component polyurethane waterproof paint is prepared from aliphatic isocyanates, non-hydrophobic polyether polyol, catalysts, a hydroxyl containing reactive hydrophobic agent. The hydroxyl containing reactive hydrophobic agent in the one-component polyurethane waterproof paint is hydrophobic and highly compatible to other components, and accordingly compatibility of prepolymers generated by the hydroxyl containing reactive hydrophobic agent and the aliphatic isocyanates to other components of the one-component polyurethane waterproof paint is improved, and precipitation of the hydrophobic agent is avoided. Due to hydrophobility of the prepolymers, the one-component polyurethane waterproof paint is hydrophobic; since the hydroxyl containing reactive hydrophobic agent is combined into a molecular structure of polyurethane through chemical reactions, precipitation of the hydroxyl containing reactive hydrophobic agent is avoided permanently, hydrophobicity and hydrophobic stability of the one-component polyurethane waterproof paint are improved, and long-lasting hydrophobic effects are achieved.

A nano-class composite polyurethane paint for airplane is composed of the modified synthetic resin and the solidifying agent. Said modified synthetic resin is prepared through sequentially adding nano slurry, solvent, assistant and pigment to synthetic resin, grinding and filtering. It is applied through mixing said modified synthetic resin with said solidifying agent to obtain paint, spraying antirust paint, and spraying said paint. Its advantage is high weatherability.

The present invention features that by selecting different sort and amount of emulsion and assistants, four kinds of wall finish paint, including styrene-acrylate wall finish paint, acrylate wall finish paint, organosilicon modified acrylate wall finish paint and high elasticicty wall finish paint, of different performance/cost ratio are proposed. They features the introduction of hydroxyethyl cellulose and non-transparent hollow polymer. Therefore, the outer wall finish paint has excellent alkali resistance, color maintaining property, antifouling property, ultraviolet ray resistance, freeze thawing resistance, waterproof property, etc.

The disclosure relates to compositions and methods of using the compositions to inhibit color fading in hair. The compositions provide a water resistant and non-transferable protective barrier on the substrate that inhibits color fading in both dye and naturally colored hair. The compositions contain at least one polyamine, at least one acid, at least one water-insoluble ingredient, solvent and optionally at least one auxiliary ingredient. The methods for inhibiting color fading in hair involve contacting the hair with the compositions of the disclosure.

The invention provides a soap-free acrylic acid latex, and a preparation method thereof and application in water-based ink. On one hand, a polymeric surfactant can be used to replace the prior surfactant during the reaction process; and after the latex is dried and forms a film, compounds with low molecular weight are reduced greatly and the water resistance of the film is effectively improved. On the other hand, protective glue is introduced into the reaction process to change the rheological property of the latex, and the rheological property of the latex is close to that of Newtonian liquid; simultaneously, the protective glue can also further improve the mechanical stability of the latex and make the latex more suitable for the water-based ink.

The invention relates to the technical field of ink, in particular to the application of palm oil and palm oil derivatives to an ink vehicle and also relates to a novel palm oil ink vehicle. The vehicle comprises the following components in part by weight: 33 to 48 parts of first resin, 3 to 15 parts of second resin, 10 to 30 parts of plant oil, 15 to 35 parts of palm oil and palm oil derivative or the mixture of the palm oil and the palm oil derivative, 0.3 to 2 parts of aluminum gel and 0.1 to 3 parts of antioxidant. The novel palm oil or the palm oil derivative is adopted in the vehicle and the vehicle belongs to an environmentally-friendly pure plant oil vehicle and has the characteristics of high viscoelasticity, rapid curing property, high glossiness, high pigment wettability, ink-water balance, on-vehicle stability and the like. Simultaneously, the price of the ink vehicle is lower than that of the conventional pure plant oil vehicle.

The invention discloses an antiseptic stationary liquid composition for corpse specimen, mainly comprising a metal complexing agent, a protein corsslinking agent, an osmoregulation agent and a food-grade antiseptic/mildew inhibitor and water; the metal complexing agent is ethylenediamine tetracetic acid disodium salt or ethylene glycol diethyl ether ethylenediamine tetracetic acid, the protein corsslinking agent is glyoxal, malonaldehyde, succinaldehyde or glutaraldehyde, the osmoregulation agent is a mixture, according to any proportion, of more than two substances selected from potassium nitrate, sodium nitrate, potassium chloride and sodium chloride, the food-grade antiseptic/mildew inhibitor is sodium dehydroacetate, sodium diacetate or potassium sorbate. The inventive composition is dedicated to antisepsis and fixing perfusion for animal or human corpses and has the advantages of strong antiseptic performance, good fixing performance and excellent safety without formaldehyde and toxicity. The invention also provides a method for preparing the antiseptic stationary liquid composition for corpse specimen.

Compositions and methods are disclosed for preventing or reducing loss of color from color-treated keratin fibers by forming a water-resistant coating on hair comprise a combination of a hydrophobic particulate material comprising a hydrophobically surface-modified oxide and one or more hydrophobic film formers in a cosmetically acceptable vehicle.

A method for preparing dehydrated fruits, vegetables and tubers, particularly potato products. The steps of the method include: boiling the whole raw edible product or slices or pieces of the raw edible product for a time sufficient to partially cook the starch and soften the tissue of the edible product; comminuting the cooked product; and drying the comminuted product. The raw edible product is preferably unpeeled or partially peeled. The resulting dehydrated product: (1) retains more Vitamin C; (2) has a lighter color; (3) has a higher percent of free amylose; (4) has fewer broken cells; and (5) has fewer degradation products than a corresponding product produced by conventional methods.