54results about How to "Not prone to discoloration" patented technology

The invention relates to an improved process for producing organomolybdenum compositions with high molybdenum content that are highly useful as lubricant additives, in which the process involves reacting a fatty oil with a diamine, followed by reaction with a molybdenum source. The process of the present invention does not require a volatile organic solvent to promote molybdenum incorporation and produces an organomolybdenum composition having a high molybdenum content. In addition, the process can be conducted in the absence of sulfur and phosphorus-containing reactants.

The invention provides a preparation method of a gel ball. The preparation method of the gel ball comprises the following steps: a, mixing sodium alginate, konjac glucomannan and sugar with water to obtain a mixed solution; b, mixing the mixed solution with citric acid monohydrate, potassium sorbate and pigment to obtain a co-mixed sol; and c, adding the co-mixed sol to a calcium lactate solution and carrying out cross-linking to obtain the gel ball. The pH value of the gel ball prepared by the preparation method is 3.9-4.4, the Brix value is 4.5%-7.5% and the particle diameter is 3.0mm-6.0mm. The gel ball is stable under the acid conditions and has small possibilities of deforming out of water, changing color and taste and growing microorganism; the gel ball can be added to jelly or other foods for use. Experimental results show that the composite gel ball prepared by the method can be placed in a heat preservation box at a temperature of 37 DEG C without change in color, taste, hardness and the like in nine weeks; microbiological detection is also qualified.

The invention relates to a hydrophilic aminosilicon oil, and a preparation method and uses thereof. The preparation method comprises the following steps: carrying out an addition reaction of hydrogen-containing silicon oil and a methoxy-group-containing compound in the presence of a catalyst to prepare epoxy modified silicon oil, and carrying out a quaternary copolymerization addition reaction of the epoxy modified silicon oil, an amino compound, a silane coupling agent and polyether to prepare the novel hydrophilic aminosilicon oil. When the hydrophilic aminosilicon oil is used for finishing polyester and pure terylene fabrics, excellent soft and smooth hand feelings are obtained, and the hydrophilicity, the moisture (sweat) absorption property and the antistatic performance of the fabrics are improved; and the performances of the hydrophilic aminosilicon oil are better than that of hydrophilic aminosilicon oil sold in the market at present, so the hydrophilic aminosilicon oil prepared in the invention has a broad market prospect.

The invention discloses a method for preparing a silver-loaded titanium oxide-zirconium phosphate composite nanometer material. The method comprises the steps of: firstly, adding a liquid titanium source into absolute ethyl alcohol to be dispersed uniformly; adding phosphoric acid, and regulating pH using ammonia water; adding silver nitrate under a light-proof condition; adding an aqueous solution of zirconium salt after the silver nitrate is dissolved by stirring; stirring the resulting solution under the light-proof condition for 2-8 hours; washing and drying a sediment product after the stirring operation under the light-proof condition is ended; and roasting the sediment product at the temperature of 500-1200 DEG C to obtain the target product silver-loaded titanium oxide-zirconium phosphate composite nanometer material. The preparation method is simple and convenient in process and flow, wide in parameter adjustable range, strong in repeatability, low in cost, conductive to large-scale production, and has good business prospect.

The invention discloses an alkali-resistant disperse dye composition and a preparation method and the use thereof. The composition is composed of five disperse dyes and a dispersing agent. A preparation method of the dyes is further provided. The preparation method includes the following steps: evenly mixing 6 components forming the dye composition to obtain a final product of the alkaline-resistant brown disperse dye composition. The dye composition is used for the field of printing of cloth fibers such as dacron double-faced pile and poly spun velour. The alkaline resistance of the brown dye composition is better than commonly used brown in market, pH value is wide in suitable range of 13.5-14, and the alkali-resistant disperse dye meets requirements for brown dye and has good market prospect.

The invention relates to a hydrophilic aminosilicon oil, and a preparation method and uses thereof. The preparation method comprises the following steps: carrying out an addition reaction of hydrogen-containing silicon oil and an oxy-group-containing compound in the presence of a catalyst to prepare epoxy modified silicon oil, and carrying out a quaternary copolymerization addition reaction of the epoxy modified silicon oil, an amino compound, a silane coupling agent and polyether to prepare the novel hydrophilic aminosilicon oil. When the hydrophilic aminosilicon oil is used for finishing polyester and pure terylene fabrics, excellent soft and smooth hand feelings are obtained, and the hydrophilicity, the moisture (sweat) absorption property and the antistatic performance of the fabrics are improved; and the performances of the hydrophilic aminosilicon oil are better than that of hydrophilic aminosilicon oil sold in the market at present, so the hydrophilic aminosilicon oil prepared in the invention has a broad market prospect.

The invention discloses a dyeing process of red vegetable dyes. The process comprises the following steps: a, treating safflower cakes by an acidic solution, so as to obtain a filter residue A; b, rinsing and filtering the filter residue A by an alkaline solution, so as to obtain a dyeing liquor; c, making a dye C1; d, mixing the dye C1 and a dye C2, so as to obtain a dye D; e, mixing the dye D and a weakly alkaline aqueous solution, so as to obtain a dyeing liquor E1 and a dyeing liquor E2; f, respectively pretreating the heated dyeing liquors (E1 and E2), so as to obtain the dyeing liquors (F1 and F2); g, pretreating a silk fabric, so as to obtain a product G; h, adding the product G into the dyeing liquor F1 for dyeing, so as to obtain a product H; i, adding the product H into the dyeing liquor E2 for dyeing, so as to obtain a product I; j, treating the product I, so as to obtain a finished product J. The dyeing process disclosed by the invention has the characteristics of low production cost, good coloring effect, high color fastness, convenience in large-scale production, and capacities of improving the extraction rate of haematochrome and the impurity removal rate and facilitating safflower storage.

The invention provides an aliphatic-polylactic acid segmented copolymer. The preparation method of the copolymer comprises the following steps: polymerizing aliphatic dihydric alcohol compounds and lactide to obtain dihydroxy-terminal polylactic acid, and esterifying and polycondensing the aliphatic dicarboxylic acid compounds, aliphatic dihydric alcohol compounds, multi-element compounds and dihydroxy-terminal polylactic acid to obtain the aliphatic-polylactic acid segmented copolymer; or polymerizing polyol compounds and lactide to obtain polyhydroxy-terminal polylactic acid, and esterifying and polycondensing obtained polyhydroxy-terminal polylactic acid, the aliphatic dicarboxylic acid compounds and aliphatic dihydric alcohol compounds to obtain the aliphatic-polylactic acid segmented copolymer. The aliphatic-polylactic acid segmented copolymer contains branched aliphatic polyester chain segment, and a flexible chain segment is introduced, so that the flexibility of the aliphatic-polylactic acid segmented copolymer is improved, and the breaking elongation is improved; furthermore, the segmented copolymer has relatively high melt strength and is advantageous to molding processing of materials.

The invention discloses fermented red pitaya wine, pitaya brandy and a production method thereof. The method includes: integrally crushing red pitayas, and adding pectinase for enzymolysis; adding yeast, yeast nutrients, vitamin C and chitosan to realize mixed fermentation; after fermentation is in full play, performing low-temperature fermentation through maceration, and carrying out aging, purifying, oak powder treatment, freezing and sterilization aftertreatment to obtain the fermented red pitaya wine; subjecting the prepared original wine to crude distillation and rectification, storing and aging to obtain red pitaya brandy. Whole-fruit fermentation is adopted, technical simplicity and low equipment input cost are realized, and the comprehensive utilization rate of red pitayas is increased; the red pitaya wine is rich in fruity aroma, rich and full in texture, stable in the presence of light, thermal and the like and free of fading, suspensions, precipitates and turbidity after normal-temperature placement over one year; the pitaya brandy is unique in nutrient and aroma, prominent in typicality and superior in quality.

The invention relates to cold-mixed colored asphalt cementing material and a preparation method thereof. The cold-mixed colored asphalt cementing material is prepared from the following components bymass percent: modified asphalt, a tackifier, furfural, a solvent, a modified inorganic nano-enhancing agent and modified color pigment, wherein the modified inorganic nano-enhancing agent is preparedfrom a surface modifier and optional nano-calcium carbonate, nano-silica or nano-titanium dioxide, and the surface modifier is sodium dodecylbenzene sulfonate, sodium stearate or an aluminate couplingagent; the modified color pigments is prepared from inorganic pigment, an anionic surfactant, and a porous material. The preparation method not only improves the compatibility of the inorganic material and the asphalt, but also improves the tensile strength and the elongation elongation rate of the cementing material; furthermore, the chemical stability of the pigment is improved, so that color asphalt concrete is less prone to discoloration and decoloration.

The invention belongs to the technical field of fine chemical production, and discloses a preparation method of dioctyl sodium sulfosuccinate. The preparation method mainly comprises the steps of an esterification stage: implementing alcoholysis reaction to isooctanol and maleic anhydride, adding a catalyst and a color fixative, implementing primary dual-esterification reaction at 115 DEG C, increasing temperature to 185-205 DEG C and carrying out reaction to generate diisooctyl maleate; and a sulfonation stage: implementing reflux reaction to diisooctyl maleate, sodium hydrogen sulfite and water, and removing residual isooctanol in a refluxing process to obtain dioctyl sodium sulfosuccinate. The preparation method disclosed by the invention is low in isooctanol addition, thus reducing raw material cost, and is free from vacuum reaction and isooctanol removal under high vacuum, so as to greatly reduce requirement on equipment; the isooctanol is removed in the sulfonation reaction, thus effectively reducing residue. The prepared dioctyl sodium sulfosuccinate is light in color, small in smell, good in wettability and low in isooctanol content.

The invention discloses a marking paint which comprises the following components by weight: 2-3 parts of phthalic anhydride, 1-3 parts of PE resin, 10-20 parts of calcium carbonate, 5-15 parts of a talcum powder, 5-10 parts of bentonite, 15-25 parts of industrial ethanol, 15-25 parts of titanium dioxide, 5-15 parts of glass beads, 1-2 parts of phenoxy ethanol, 30-40 parts of precipitated barium sulfate, 1-2 parts of a defoaming agent, 15-20 parts of EVA, 1-3 parts of xylene, 5-10 parts of ethylene propylene, and 5-10 parts of tung oil. The marking paint disclosed by the invention has good wear resistance, good weather resistance and good acid and alkali resistance; a paint film has good adhesive force to the road surface, is resistant to impact, and does not easily generate discoloration, fracturing, stripping and other phenomena; while in use, the marking paint can be subjected to direct spray coating or rolling coating, has convenient construction, is rapidly dried, and does not need heating; and the glass micro-beads adhered on the surface of the paint film can improve the visibility of traffic markings, and in a dark night or under a weak-light weather, the marking paint has high identifiability and convenient use.

The invention discloses a single azo based pyridine ketone dye and a preparation method and application thereof. The structural formula of the single azo based pyridine ketone dye is as shown in formula (I). A pyridine ring of a coupled component of the single azo based pyridine ketone dye is provided with a substituent group (the formula can be found in the description), the ether group and polyester fibers in the substituent group have good appetency, the attached dye is not prone to transference from the interior of the fibers to the surface of the fibers even at a high temperature, color change does not happen easily, other fabrics are not stained easily in the ironing process, and thermal migration fastness and sublimation fastness of the dye are greatly improved through the large molecular weight and the ether group so that fabrics can maintain good dyefastness; besides, electron withdrawing substituents such as a methoxy group, nitryl and chlorine elements are introduced to the para-position of a diazo group of the diazo component of the single azo based pyridine ketone dye, or the nitryl is introduced to the meta-position of the diazo group, so that the color of the single azo based pyridine ketone dye is deepened; meanwhile, the nitryl or the chlorine elements is/are introduced to the ortho-position of the diazo group, and the hyperchromic effect is further improved.

The invention discloses a dental composition suitable for an LED light source. The dental composition is characterized by comprising (1) a photopolymerization initiator composition, and (2) biphenyl di(methyl) acrylate monomer with more than two aromatic rings connected by a C-C bond. The photopolymerization initiator composition (1) contains a photopolymerization initiator component only comprising bisacylphosphine oxide (A) and alpha-diketone (B), and tertiary amine (C). Under light curing by an LED illuminator, the dental composition performs high curability and excellent adhesion to dentin; the dental composition is not easy to change color even after long-term storage, and has small adhesion reduction and excellent storage stability.

The invention relates to a high-strength high-toughness antibacterial mildew-proof flame-retardant PC/ABS alloy material and a preparation method thereof. The flame-retardant alloy material is prepared from the following raw materials in percentage by mass: 60%-75% of PC resin, 5%-15% of ABS resin, 8%-18% of a halogen-free flame retardant, 0.1%-1% of an anti-dripping agent, 0.5%-1.5% of an antibacterial agent, 2%-10% of a flexibilizer and 0.5%-2% of other processing aids, an adopted antibacterial and mildew-proof agent is inorganic powder with zinc as an active component. The high-strength high-toughness antibacterial mildew-proof flame-retardant PC/ABS alloy material provided by the invention is high in notch impact strength, has excellent strength and processing fluidity, has a flame retardant rating of UL94@1.5-3.2 mm V0, has long-term and efficient antibacterial and mildew-proof effects, and can be widely applied to the communication industry, the automobile traffic industry, the household appliance industry and the like.

The invention discloses a method for preparing a silver-loaded titanate-zirconium phosphate composite nanometer material. The method comprises the steps of: firstly, adding titanate into deionized water to be dispersed, adding phosphoric acid; regulating pH using ammonia water, adding silver nitrate after uniform dispersion; stirring the resulting solution under a light-proof condition for 6-24 hours; adding an aqueous solution of zirconium salt, and further stirring the resulting solution under the light-proof condition for 2-8 hours; washing and drying a sediment product after the stirring operation is ended; and roasting the sediment product at the temperature of 500-1200 DEG C to obtain the target product silver-loaded titanate-zirconium phosphate composite nanometer material. The preparation method is simple and convenient in process and flow, wide in parameter adjustable range, strong in repeatability, low in cost, conductive to large-scale production, and has good business prospect.

The invention discloses a silica-gel bionic bait outside coloring method. The silica-gel bionic bait outside coloring method comprises the following operation steps that 1, the surface of a prepared and formed silica-gel bionic bait is cleaned thoroughly, and then the silica-gel bionic bait is put in modification liquid for full soaking; 2, methyl methacrylate, butyl acrylate, 3-methoxyl methyl acrylate, deionized water, an emulgator and an initiator are mixed evenly, then the mixture is subjected to heat preservation treatment at the temperature of 88-92 DEG C for 3-4 hours, and then an acrylic emulsion is prepared; 3, promethium chloride and scandium chloride are added into water, then sodium naphthenate is added into the water, even mixing and stirring are performed, then the temperature of the mixture rises to 115-120 DEG C, and heat preservation treatment is performed to obtain rare earth naphthenates; 4, the acrylic emulsion, pigment, polyglycerol stearate, the rare earth naphthenates, a dispersing agent, xanthomonas campestris glue and sodium formaldehyde sulfoxylate are evenly mixed to obtain a silica-gel bionic bait coating. The silica-gel bionic bait prepared by adoptingthe method is excellent in water soaking resisting performance and quality, and a fading or color change phenomenon is not likely to occur.

The invention provides an atomizer. The atomizer comprises a liquid bottle, a power assembly and an atomization system. The liquid bottle, the power assembly and the atomization system are connected through a pipeline to form a circulation system. The power assembly can convey liquid in the liquid bottle into the atomization system in a liquid state or a foam state. The atomization system can atomize the liquid entering the atomization system. An exhaust port of the atomization system communicates with the liquid bottle, so that liquid in the atomization system can flow back to the liquid bottle. The atomizer has the advantages that the structure is simple, color changing, peculiar smells, mixed smells and liquid leakage are not likely to happen, in addition, the mist outlet amount of theatomizer can be adjusted in various modes, and more diversified requirements of users can be met.

The invention discloses a high-efficiency fixation fabric deepening agent, and belongs to the field of textile chemicals. According to the high-efficiency fixation fabric deepening agent, sodium algaacid and gelatin are cross-linked to form a cross-linked network, then oxidation is performed by using an additive to form a hemiacetal structure, thereby improving the fixation effect, polyether amine, lauric acid and organosilicone are added to prepare a block type silicone oil component, thereby reducing the static friction coefficient of a fabric, improving the softness, fineness and smoothness of the fabric and improving the affinity for dyestuff; oleic acid, polyethylene wax and the like are taken as raw materials to prepare a polymer, the polymer and polyethylene glycol are subjected toa condensation reaction to form a block polymer, thereby improving the surface water-absorbing quality, reducing the surface specific resistance, improving the anti-static capacity, changing the electronegativity of the surface of the fabric, and increasing the dyeing degree and the fixation rate, and <->SH introduced to added mercaptoethanol and <->OH contained in the system can synergize to improve the affinity of the fabric for the dyestuff, thereby improving the fixation effect. The high-efficiency fixation fabric deepening agent solves the problems of poor fixation improvement and deepening effect of a currently common fabric deepening agent.

The invention discloses an energy-saving dyeing and finishing process. The process includes: performing one bath pot treatment on cotton knitted fabric, and putting the cotton knitted fabric into refining liquid for refining treatment by using pectinase, wherein octadecyl benzyl dimethyl ammonium chloride, dodecyl diphenyl ether sodium disulfonate, triethanolamine and 3-dimethylamino-1, 2-propylene glycol are added into the refining liquid; polishing the cotton knitted fabric, and integrating polishing with dyeing, wherein N-(hydroxyethyl) ethylenediamine trisodium triacetate, diepoxy glycerylether and 3-dimethylamino-1, 2-propylene glycol are added into treatment liquid; performing saponification and color fixation, wherein hydroxyethyl ethylenediamine, dimethylamino propyl methacrylamide and 3-amino-2-cyclohexene-1-ketone; finishing, wherein substances like 3-(2-aminoethylamine) propyl methyl dimethoxysilane are added into finishing liquid. By process optimizing, alkali consumptionis reduced, process flow is shortened, production cost is lowered greatly, and environment friendliness and energy conservation are realized.

The invention provides an atomizer. The atomizer includes a liquid bottle, a flow guiding device and an atomization system; a pipe for liquid outlet is arranged on the liquid bottle, and the positionof a liquid inlet end of the pipe is higher than the position of the liquid outlet end; the flow guiding device can fill the pipe with the liquid in the liquid bottle; the liquid in the liquid bottlecontinues to enter the pipe by siphoning; and the atomization system is connected in series to the pipe, and can atomize the liquid flowing through the atomization system. The atomizer disclosed by the invention has the advantages of simple structure, less discoloration, peculiar smell, mixed smell and liquid leakage and more energy saving; in addition, the atomizer of the invention has the advantage of more energy saving.

The invention relates to a glue without residual glue and discoloration, which is prepared from the following raw materials: 95-105 parts by mass of nitrosoacrylic acid; 6-7 parts by mass of a leveling agent; and 2-4 parts by mass of a UV curing agent. The invention adopts nitrosoacrylic acid, and the prepared glue has high cohesion, and after the label is peeled off from the clothing fabric, residue glue is not easily left, and the temperature resistance is strong, and the fabric is not prone to discoloration.