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436results about How to "Strong coloring power" patented technology

Water-based baking paint for glass substrate and preparation and use methods thereof

The invention discloses a water-based baking paint for a glass substrate and a preparation method and the application thereof; the formula of the water-based glass baking paint comprises the following components in parts by weight: 45 to 63 percent of water-soluble acrylic resin, 5 to 7 percent of methylated amino resin, 5 to 15 percent of water-based paste, 1.2 to 1.5 percent of coupling agent, 2 to 5 percent of additive and 25 to 30 percent of deionized water. When the baking paint is prepared, first the water-soluble acrylic resin, defoamer, wetting agent, leveling agent, dispersant and some water are sequentially added into a stirring tank to be stirred, is added with the water-based slurry and the like to be stirred and dispersed at high speed; and finally the methylated amino resin, the coupling agent and the rest water are sequentially added in to be stirred into a uniform coating system. The invention also provides a use method of the glass baking paint. When being applied to ground glass, hard glass and other substrates, the coating has the advantages of simple preparation process, convenient construction, strong coating adhesion, high hardness, water resistance, good heat resistance and the like.
Owner:FUJIAN HANSEN PAINT

Heat reflective insulating stoving varnish coating and preparation method thereof

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.
Owner:ZHANG ZHOU SAN PAINTS

Natural staining agent, preparation thereof and application thereof to silk dyeing

The invention provides a natural coloring agent, which is characterized in that: the fresh tea leaves are used as material to extract tea polyphenol, and then the extraction liquid of the tea polyphenol is added with mordant agent, so as to form the natural coloring agent. As the natural coloring agent has rich color, good dyeing effect, good dyeing fastness (in particular wash fastness), and low production cost, the natural coloring agent has wide application, and strong practicality. The natural coloring agent also provides a preparation method of natural dyeing agent and an application at the aspect of silk fabric dyeing.
Owner:CHONGQING ACAD OF AGRI SCI

PVC (polyvinyl chloride) foam material for sole and preparation method of PVC foam material

The invention relates to the technical field of PVC materials, in particular to a PVC (polyvinyl chloride) foam material for a sole and a preparation method of the PVC foam material. The PVC foam material for the sole comprises raw materials in parts by weight as follows: 80-120 parts of PVC resin, 40-60 parts of a plasticizer, 20-30 parts of a filling agent, 6-10 parts of a wear-resistant modifier, 4-8 parts of a thermal stabilizer, 2-4 parts of a foaming agent, 0.8-1.2 parts of a lubricant and 1-2 parts of a processing aid. The raw materials are adopted for preparation of the PVC foam material for the sole, the weight proportion of the raw materials is controlled strictly, the performance of the prepared PVC foam material for the sole exceeds the national standards, and the PVC foam material is environment-friendly and has good temperature resistance and weather resistance, high strength, excellent anti-impact performance, good flame-retardant effect, good processing performance and excellent comprehensive performance.
Owner:广东祺龙科技有限公司

High-temperature counter radiation resistant inorganic coating and preparation method thereof

The invention relates to an energy-saving high-temperature counter radiation resistant inorganic coating for coating the liner of a kiln and a preparation method thereof. The coating mainly comprises oxides, such as cobalt oxide, zirconium oxide powder, aluminum oxide and chromic oxide, and silicon powder, silicon carbide, sodium silicate, aluminium dihydrogen phosphate, silica flour, graphite powder, boron oxide and other components and is prepared by grinding, soaking, heating reaction, stirring and mixing. The coating has high thermal shock resistance, high radiation utilization rate, high corrosion resistance, high cracking resistance, high oxidization resistance and high thermal stability. The inorganic coating of the invention has the advantages of allowing for normal construction without making special modification of the basal body of the kiln, along with small investment, quick response, no toxicity, no corrosion and desirable social and economic benefits.
Owner:上海乐恒石油化工集团有限公司

Cold water dispersion type xanthophyll micro-capsule and its preparing method

The invention discloses a cool water dispersible lutein microcapsule. The lutein microcapsule comprises lutein powder used as core material, modified starch and natural colloid used as wall material, and appropriate amount of emulsifier added, which are mixed and added with proper amount of water, heated and stirred, and then filtered and spray dried to obtain the lutein microcapsule. The invention has easy material acquiring, can be applied to food or pharmaceutical industry, and has good safety without using organic solvents thus the nature of the lutein is well kept. In the invention, the core material and the wall material are mixed directly in one step, and emulsified by controlling the temperature; the lutein liquid is embedded into semi-permeable or hermetic solid microcapsule powder by adopting spay drying. The obtained microcapsule powder has good water-solubility, high stability and encapsulation rate.
Owner:云南博浩清亮生物科技有限公司

Nano shell powder ecological functional flatly painted coating

The invention relates to environmental protection paint, in particular to nano shell powder ecological functional flatly painted coating. The coating is prepared from shell powder (calcined), ash-calcium, kaolin, heavy calcium carbonate, hydrated magnesium silicate, titanium dioxide, vinyl acetate, hydroxyethyl cellulose, polyving akohol, polydimethylsiloxane, a water reducer and a defoamer. The coating solves the problem that indoor ornament or decoration paint is not environment-friendly. The coating has the characteristics that the coating is antifungal, purifies the air, prevents mildew, adopts a spiral pore structure, is 3.0mm in press coating thickness and high in glossiness, does not has obvious color aberration, is resistant to shock, abrasion, water, high and low temperature weather and aging, and ensures that the service life of a product reaches more than 20 years.
Owner:通化市星赛尔生物科技有限公司

Photonic crystal capsule pigment and preparation method and application thereof

A photonic crystal microsphere, comprising: a plurality of mono-dispersed polymer particles in a closely-packed and regularly-ordered structure, with interstition therebetween, forming the photonic crystal microsphere; and a co-assembly material contained in the interstition. The photonic crystal microsphere provides a structure of enhanced strength and a good color effect.
Owner:INST OF CHEM CHINESE ACAD OF SCI

Polyvinyl chloride electrostatic film and preparation method thereof

The invention relates to the technical field of electrostatic film, and in particular, relates to a polyvinyl chloride electrostatic film and a preparation method thereof, wherein the polyvinyl chloride electrostatic film comprises the following raw materials in parts by weight: 80-120 parts of PVC resin, 46-73 parts of a plasticizer, 1-3 parts of a heat stabilizer, 3-7 parts of an anti-electrostatic agent, 0.3-0.7 part of a gelatinizing agent, 0.02-0.03 part of a pigment powder, and 0.1-0.3 part of other auxiliary agents. The polyvinyl chloride electrostatic film has high electrostatic resistance, has high anti-electrostatic effect and protection functions, has high self-adhesive performance, and has excellent stable performance under high temperature conditions; the polyvinyl chloride electrostatic film also has the advantages of being ultra thin, tough, transparent, self-adhesive, good in transparency, small in watermarks and the like, has fewer crystal points and low-temperature resistance, and has excellent comprehensive performance.
Owner:DONGGUAN IUIU HOUSEHOLD PROD

Laser markable high-shading polyester composite material for LED (Light Emitting Diode), and preparation method thereof

The invention relates to the technical field of high polymer materials, in particular to a laser markable high-shading polyester composite material for an LED (Light Emitting Diode), and a preparation method thereof. The laser markable high-shading polyester composite material for the LED comprises the following raw materials in parts by weight: 40-60 parts of polyester, 15-20 parts of glass fiber, 15-20 parts of main fire retardant, 3-5 parts of auxiliary fire retardant, 4-8 parts of flexibilizer, 0.1-0.2 part of antioxidant, 10-15 parts of opacifier, 0.3-1.0 part of laser marking powder and 0.5-1.0 part of other accessory ingredients. The laser markable high-shading polyester composite material for the LED has the advantages of good shading effect, good anti-flaming effect, good temperature tolerance and weather fastness, high intensity, excellent shock resistance, good processability and excellent overall performance, can be used for laser marking and can pass a high and low temperature (40DEG C below-120DEG C) impact test.
Owner:东莞市东翔塑胶有限公司

Art stacking acrylic paints containing nano-pigment and method for manufacturing same

InactiveCN101225251AStrong usabilityColorful and brightArtist's paintsPolyurea/polyurethane coatingsPolypropyleneEmulsion
The invention relates to art accumulated acrylic paints with nano-pigment and the preparation method, belonging to technical field of painting things. First the hydroxyethylcellulose and the gum arabic are put into distilled water and then the bond glue can be obtained after swelling and heating. Then the bond glue is added in sodium benzoate, the nano-graining paste, the polyacrylic acid latex and aqueous polyurethane emulsion and then blended evenly to obtain sizing agent after adding powder pigment and calcium carbonate. The sizing agent can be obtained after grinding. The preparation method utilizes the polypropylene latex to make art accumulated acrylic paints together with the aqueous polyurethane emulsion. The paints can cause solid accumulated result painting by oil painting knife or paintbrush. The art accumulated acrylic paints with nano-pigment has the advantages of good service performance, bright color, good weather resisting property and strong chemical durability, so can meet the high requirement of the artist for art accumulated acrylic paints.
Owner:宋健

Special coloring agent of diammonium phosphate compound fertilizer and preparation method thereof

The invention discloses a special coloring agent of a diammonium phosphate compound fertilizer, comprising the following constituents: 40-50 parts of humic acid salt, 0.1-3 parts of carbon soot, 2-4 parts of acid black, 1-2 parts of acid brilliant scarlet, 0.2-1 part of sodium hexametaphosphate, and 40-56.7 parts of water by weight parts; the preparation process is that: the material is prepared by weight parts, water is added in a vertical round reaction tank, and then the humic acid salt, the carbon soot, the acid black and the acid brilliant scarlet are added and are stirred uniformly, andthen sodium hexametaphosphate is added, the mixture is stirred continuously and uniformly, so as to obtain the special coloring agent of the diammonium phosphate compound fertilizer; the invention solves the problems that the diammonium phosphate particles produced under an acid slurry condition are easy to decolorize and the chromaticity is unstable; the special coloring agent of the diammonium phosphate compound fertilizer is green and environmental-protection, has no pollution and is beneficial to the growth of crops; the product is in a liquid state and transported closely, and has convenient usage; the raw material is cheap and easy to obtain, the cost is low and the economic benefit is good.
Owner:中化重庆涪陵化工有限公司

Natural pigment composition

The invention provides a natural pigment composition. The composition comprises an emulsifier, and two or more than two pigments selected from gardenia yellow pigment, curcumine, carthamin yellow, orange yellow pigment, xanthophylls, riboflavin, capsanthin, monascus red pigment, anattotree orange pigment and gardenia blue pigment. All the above natural pigments can be blended according to an arbitrary ratio to obtain the natural pigment composition with different color systems and different tones, such as yellow, orange, red, green and purple. The natural pigment composition contains the emulsifier, so the composition is uniform and stable. The combination of different natural pigments in the natural pigment composition makes up the defect of single pigments, for example, the light resistance of the natural yellow pigment composition obtained by combining riboflavin and curcumine with poor light resistance with stable gardenia blue pigment is better than that of riboflavin or curcumine, so the use amount is reduced, and the cost is reduced.
Owner:QINGDAO ZHONGREN ZHIYE BIOTECH

Safflower tea and preparation method thereof

The invention relates to a safflower tea and a preparation method thereof. The safflower tea is characterized in that: the safflower tea comprises the following active raw materials, by weight, 3-10 parts of safflower tea leaf, 6-12 parts of wolfberry fruit, 9-30 parts of Radix Codonopsis, 9-30 parts of Radix Astragali, and 6-15 parts of jujube. The preparation method of the safflower tea is characterized in that: the preparation method comprises steps of harvesting, choosing, airing, enzyme deactivating, and rolling. The safflower tea has the following advantages: a safflower bud tea has a greenish yellow color, and tea water has a light fragrance, a thin taste and a slightly bitter mouthfeel after the safflower bud tea is processed under optimum conditions; a safflower corolla tea friedwith vinegar has a dark red color and a heavy fragrance, tea water has a light reddish brown color, a thin taste and a slightly bitter mouthfeel, and the extract content reaches 38.2654%; and a safflower corolla tea fried with wine has a dark red color and a light fragrance, tea water has a reddish brown color, a thin taste and a slightly bitter mouthfeel, and the extract content reaches 40.1742%.
Owner:兰州市农业科技研究推广中心

Fig natural face-nourishing and weight-losing cold herbal tea and preparation method thereof

The invention relates to fig natural face-nourishing and weight-reducing cold herbal tea and a preparation method thereof, belonging to face-nourishing and weight-reducing cold herbal tea and a preparation method thereof. The cold herbal tea is prepared from fig, tea, Chinese dates, yam, vine roots, poria extract, hawthorn, alginate polysaccharide, soybean isoflavone, lotus leaf flavone, gypenosides, curcumin and white granulated sugar through the steps of crushing, extraction, preparation and the like. The cold herbal tea has the functions of beautifying the features, nourishing the face, reducing fat, losing weight, augmenting the breasts and getting sexy; and the cold herbal tea has the peculiar fruit tea taste of fig and is sour and sweet.
Owner:WEIHAI HUAYAO BENCAO BIOTECH

Art acrylic paints containing nano-pigment and method for manufacturing same

The invention relates to art acrylic paints with nano-pigment and the preparation method, belonging to technical field of painting things, which is characterized in that the hydroxyethylcellulose and the chitosan are put into distilled water first and then the sodium benzoate, the nano-graining paste and the polyacrylic acid latex are added in. Then the powdered paint or lithopone hydrated silicon dioxide, glycerin and ethanol are added in and then blended evenly. The preparation method first disperses the nano-pigment into the bond and then adds the powdered paint to blend evenly, so can expel most air on the surface of the common pigment grain and grinds by a three-roller mill, and then disaggregates the large grain and small gobbet of the sizing agent by shearing force, extrusion force and grinding force. During the grinding process, the bond with nano-pigment or latex covers the surface of the pigment grain and then permeates through the gaps of the grains. The product made has the advantages of improving the service performance and reducing the economic cost and also has the advantages of rich color, bright colour and luster, fresh tint, strong tinctorial strength and good chromaticity.
Owner:宋健

Art oil paint containing nano-pigment and method for manufacturing same

The invention relates to art oil paint with nano-pigment and the preparation method, which is characterized in that the beeswax is added into refined linseed oil and polly seed salad oil and blended evenly to make bond after heating and melting. The nano-pigment is added into the bond to blend evenly and then the pigment is added in and blended evenly. Then aluminum stearate, 2-ethyl hexanol cobalt (CAS No.13586-82-8), silicon dioxide hydrate, hydrafil, phenoxetol, butyl-p-cresol and lithopone are added in and then blended evenly. The product can be obtained after grinding. The preparation method first disperses the nano-pigment into the bond and drains most air on the surface of the common pigment grain, and then disaggregates the large grain and small gobbet of the sizing agent by the large shearing force, extrusion force and grinding force between the two rollers generated by the turn of the three-roller muller. During the grinding process, the bond with nano-pigment or latex covers the surface of the pigment grain and then permeates through the gaps of the grains. The product made has the advantages of rich color, bright colour and luster, fresh tint, strong tinctorial strength and good chromaticity.
Owner:宋健

Composite fine barium sulfate and manufacturing method thereof

The invention relates to composite fine barium sulfate and a manufacturing method thereof. The manufacturing method comprises the following steps of carrying out barite crushing, screening and mineral-separation purification to obtain barium sulfate particles having content and whiteness of about 95%, carrying out ultrafine comminution and fine grading to obtain barium sulfate particles having the sizes of 3-20 micrometers, fully mixing the barium sulfate particles and kaolin according to a weight ratio of 6: 1-12: 1, and adding a small amount of a surface modifier and a coupling agent into the mixture to obtain the composite fine barium sulfate, wherein the surface modifier is silane and the coupling agent is titanate. The manufacturing method comprises barite crushing and screening, mineral-separation purification, ultrafine comminution and fine grading, blending, and surface modification treatment. The composite fine barium sulfate has the characteristics of radiation resistance, weatherability, corrosion resistance and good stability, and can be used for paint, printing ink pigment, plastic, rubber, papermaking ceramic, weaving chemical fibers, glass and sealing materials.
Owner:刘虎成

Composition for advertisement poster pigment, advertisement poster pigment and preparation method thereof

A composite for pigment, pigment made from and its production are disclosed. The composite consists of peach glue 10-30 proportion, glycerol 4-15 proportion, water 60-85 proportion, ethylene glycol 4-10 proportion, filler 45-80 proportion, colorant 2-10 proportion and antiseptics 2-8 proportion. It's inodorous, has excellent coloring and cracking performances, brightness and friendly environment.
Owner:LOTUS STATIONERY

Preparation method of low-arsenicred iron oxide pigment

ActiveCN101811739ASave iron resourcesFine granularityFerric oxidesBrown iron oxideFineness
The invention relates to a preparation method of an organic pigment, in particular to a preparation method of a low-arsenicred iron oxide pigment. the method produces a low-arsenicred iron oxide pigment by a two-step oxidation liquid-phase production method and does not use sheet iron in two-step oxidation, thereby reducing the consumption of sheet iron resources and obtaining iron red with better fineness and dispersion than those of iron red produced by a sheet iron mixed acid method. Because the sheet iron is not used in the two-step oxidation, the contents of heavy metals, such as arsenic, lead, and the like can be effectively controlled. The low-arsenicred iron oxide pigment prepared by the method contains As not more than 5 mg / kg and Pb not more than 10 mg / kg. The invention can be widely applied to industries, such as pencils, toys, cosmetics, medicine, tipping paper, and the like.
Owner:SHENGHUA GROUP DEQING HUAYUAN PIGMENT

Environment-friendly water-based ink

ActiveCN103965682ASolve poor transfer phenomenonPromote reproductionInksWater basedAlcohol
An environment-friendly water-based ink comprises the following components by mass percent: 12-22% of alcohol-soluble modified acrylic resin, 10-20% of alcohol-soluble modified aldehyde ketone resin, 35-55% of a diluents, 6-12% of methyl ether, 12-20% of pigment, and 2-5% of a functional auxiliary agent. The environment-friendly water-based ink provided by the invention is an alcohol-soluble gravure ink, adopts more than 95% of alcohol as the auxiliary agent to realize gravure production, is stable in ink performance, uniform in texture, strong in tinting strength, not easy to precipitate, and similar with the printing effect of the traditional offset printing, and has certain antistatic function.
Owner:JIANGSU DAREGLOBAL PRINTING CO LTD

Functional drink with function of relieving visual fatigue and preparation method thereof

The invention provides a functional drink with a function of relieving visual fatigue and a preparation method thereof, belonging to the technical field of functional drinks. The functional drink with the function of relieving the visual fatigue is prepared from five raw materials of lutein, medlar, chrysanthemum, white granulated sugar and citric acid, wherein the lutein is extracted from marigold; the functional drink is prepared by adopting a series of steps of pretreating raw materials, extracting, blending and the like. The functional drink prepared by adopting the preparation method is safe and reliable in raw materials; meanwhile, no caffeine, preservative and artificial color are added, and the functional drink has functions of improving the eyesight and relieving the visual fatigue.
Owner:河南福森药业有限公司

Water-expelling production process for offset printing magenta printing ink

The invention relates to a wringing process for producing offset printing fuchsine ink. The process comprises the following steps that: firstly, hydrous fuchsine paint, wet pulp causticize calcium, a bonding material and a water resisting agent which are not dried are put to a kneading machine and kneaded till water is clear; secondly, moisture is extracted under the conditions of vacuum and high-temperature; thirdly, a based ink obtained is rolled on a three-roller machine for once or twice; fourthly, ink oil and an addition agent are added and the oil is adjusted to a preset index scope; finally, the ink is filled and packaged by a racking machine. The ink made by the wringing process of the invention is more exquisite than the ink made of dry powder, has larger colour density, good transparence, high luster, strong tinctorial strength and good emulsification resistance and can save man-hour.
Owner:SHANGHAI PEONY PRINTING INK

Method for preparing sodium copper chlorophyllin in red-purple pitaya sterm

The invention discloses a method for preparing sodium copper chlorophyll from a pitaya fruit stem. The method uses a fresh pitaya fruit stem as a raw material to extract chlorophyll and prepare the sodium copper chlorophyll through the steps of pre-processing the material, reflux extracting, saponifying, concentrating, extracting, regulating acid and putting copper in, salifying and drying. The invention also researches the stability of the sodium copper chlorophyll, and the color agent produced has fresh color, stable performance, and strong coloring power and is safe and nontoxic. Therefore the color agent can be widely applied for food coloration and as cosmetics and pharmaceutical colorant.
Owner:赵雪梅

Anticorrosive PVC modified material and preparation method thereof

The invention relates to the technical field of PVC materials, and concretely relates to an anticorrosive PVC modified material and a preparation method thereof. The anticorrosive PVC modified material comprises, by weight, 80-120 parts of PVC resin, 50-70 parts of a plasticizer, 20-30 parts of a filler, 4-8 parts of an impact modifier, 3-5 parts of a heat stabilizer, 1-2 parts of a synergistic agent, 0.6-1.0 part of a lubricant and 0.3-0.7 parts of an antioxidant. All performances of the anticorrosive PVC modified material prepared through strictly controlling the weight ratio of all above raw materials exceed national stands, and the anticorrosive PVC modified material has the advantages of good anticorrosion effect, environmental protection, excellent temperature and weather resistance, high strength, excellent impact resistance, good flame retardation effect, excellent processing properties and excellent comprehensive performances.
Owner:广东祺龙科技有限公司

Universal binder resin for water-based plastic surface printing ink, preparation method thereof and printing ink using binder resin

The invention specifically relates to a universal binder resin for a water-based plastic surface printing ink, a preparation method thereof and a printing ink using the binder resin, belonging to the field of printing inks. The binder resin provided by the invention is prepared through the following steps: subjecting a modified rosin resin and an amide oligopolymer to a condensation reaction so as to produce an intermediate product with a carboxyl group; allowing the intermediate product and a resin containing multiple carboxyl groups to undergo polymerization; and carrying out amination so as to obtain the water-soluble binder resin. Because of introduction of an acylamino group, the binder resin has good adhesion, luster and printing adaptability on a variety of plastic film substrates. According to the invention, the preparation method for the binder resin is simple; the prepared printing ink has good printing adaptability and is applicable to surface printing of a variety of plastic film substrates, and since water is used as a solvent, the printing ink has no irritant gas and is green and environment-friendly.
Owner:广东天龙油墨有限公司

Lutein micro-capsule preparation and preparation method thereof

The invention discloses a lutein micro-capsule preparation, which adopts lutein as core material, adopts granulesten and sucrose ester as composite emulsifying agent and adopts gelatin and porous starch as composite wall material. The invention further discloses a preparation method id the lutein micro-capsule preparation. The lutein micro-capsule is obviously improved in water-solubility and stability, is high in bioactivity, and has more than 60% clearance rate on OH- and O2.-. Compared with free lutein the lutein micro-capsule can be directly dissolved in water, heat resistance and acid-base resistance are respectively improved by 50%, and illumination and oxygen resistance capability are respectively by 37% and 20%. Under the conditions of 100DEG C high temperature, 70% oxygen, high potential of hydrogen (PH1-PH12) and long-term illumination (reaching 30 days), retention rate of the lutein can still be maintained to more than 90%.
Owner:NANJING AGRICULTURAL UNIVERSITY

Pigment dispersing composition

The invention provides a pigment dispersion constituent, which can prevent the pigment particles from agglomerating in the present of minute pigment particles, with noncrystalline and excellent fluidity and dyeing power and high pigment dispersion and dispersion stability. The pigment dispersion constituent comprises (a) pigment, (b) solvent, (c) dispersing agent with the polyester chain and (d) dispersant with acid value of 65-250 mgKOH / g, wherein preferably the dispersant concludes a copolymer of the weight average molecular weight 1000-100000 including a constitutional unit expressed with a following general formula (1). R1 expresses an alkyl group with a hydrogen atom or 1-8 carbon atoms among a general formula (1).
Owner:FUJIFILM CORP

Water-based colour paste for printing ink

The invention relates to the technical field of water-based colour paste and provides water-based colour paste which is environmentally friendly, non-toxic, good in dispersing performance, strong in tinting strength and resistant to light, does not become thick, has anti-ultraviolet ray property, good weatherability and resistance to chemical attack and does not get mildew. The water-based colour paste is prepared from the following raw materials in parts by weight: 50-60 parts of pigment, 4-6 parts of wetting agent, 9-12 parts of dispersing agent, 6-10 parts of antioxidant, 0.3-0.45 part of antiseptic, 0.3-0.5 part of mildew preventive, 0.5-0.7 part of water-based defoaming agent, 6-8 parts of thickening and anti-settling agnet, 6-10 parts of ultraviolet light absorber and 30-60 parts of deionized water.
Owner:FUJIAN PROVINCE HUAPU NEW MATERIALS

Preparation of color sizing vector resin

The invention discloses a method for preparing a color paste carrier resin. The preparation steps are as follows: a. 110 portions to190 portions of (weight percentage) diethylene glycol, 15 portions to 30 portions of (weight percentage) glycol, 35 portions to 65 portions of (weight percentage) maleic anhydride and 55 portions to 95 portions of (weight percentage) phthalic anhydride are put into a reactor and esterification is conducted at the temperature between 160 DEG C and 170 DEG C for 2 hours to 3 hours; b. esterification is conducted at the temperature between 170 DEG C and 180 DEG C for 2 hours to 3 hours; c. esterification is conducted at the temperature between 180 DEG C and 200 DEG C for 2 hours to 3 hours; d. after esterification, acid number is measured; e. the mixture is cooled until the temperature is below 120 DEG C, filtered, packaged and produced into the finished product; and sampling is conducted bulk analysis. The method applies multiple dihydric alcohol and saturated and unsaturated dicarboxylic anhydride which are conducted high temperature esterification to prepare carriers, the color paste prepared is well compatible with unsaturated polyester resin and epoxy resin, has certain flexibility and good coloring power and is not easy to be layered and the price is low.
Owner:蓝星安迪苏股份有限公司
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