38results about How to "Lighten the color" patented technology

A method for producing terpine resin has the steps follows: turpentine oil, toluene, catalyst aluminium chloride have polymerization in the wash the mixed outcome with hot water for draining the catalyst and waste out, then distil the outcome, recycle toluene and clear the liquid resin and the material which did not join the reaction in the course of distillation, then the toluene is made. The reactor includes enamel glass and inside cooling device which is steelless pipe groups filled with saturated salt solution of indoor temperature in the polymerization. The invention has friendly reaction, small fluctuating range of temperature, stable operation, productiving being raised by 20%, fewer equipments, low cost fir energy and production good economic benefit.

The invention discloses a preparation method and an application method of granular activated carbon for xylose decoloring, which belongs to the field of preparation methods and application methods of activated carbon. The preparation method comprises the following steps: (A) preparing raw materials, namely, weighing phosphoric acid method powder activated carbon made from saw dust, an acrylic emulsion and water according to a ratio of acrylic emulsion to phosphoric acid method powder activated carbon to water being (0.37-0.39):1:1; (B) mixing the raw materials, namely, mixing the weighed raw materials and sufficiently stirring till the granules are uniformly mixed; (C) forming granules, namely, extruding the uniformly mixed raw materials to form granules by using a pelletizing machine at the constant temperature of 90 DEG C, so as to make granules with the particle size of 2-5mm, cooling the granules to be 40-50 DEG C, and drying; (E) separating and cooling. The granular activated carbon prepared by using the method is good in adsorption property, high in strength, acid-alkali resisting, recyclable and reusable, the liquid adsorption amount of unit volume is equivalent to that of other granular activated carbons, and the production environment is improved.

The invention provides a method for preparing levofloxacin hydrochloride sodium chloride injection. By researching a liquid medicine preparation method, medicinal charcoal pretreatment and a terminal sterilization process, product quality is ensured by the aid of technologies of a concentrated solution and diluted solution method, charcoal slurry preparation from medicinal charcoal, water bath sterilization and the like, production is facilitated, obtained finished products have higher stability, so that the storage life of the finished products can be prolonged, and clinical use effects are better.

The invention discloses low-alkaline rice tofu and a preparation method thereof. The low-alkaline rice tofu is mainly prepared from the following raw materials in parts by weight: 100 parts of long-shaped rice, 0.2 to 0.5 part of CaO, 4 to 13 parts of starches, and 180 to 240 parts of clean water. On the basis of a conventional rice tofu preparation process, the long-shaped rice is used as a raw material; by the adding of the modified starches and/or starches, the physical property of the raw material is improved, and the viscosity and the gel intensity of rice paste are enhanced; therefore, the quality of the rice tofu is improved; meanwhile, the alkaline content is reduced, so that the bitterness of the conventional rice tofu is eliminated, the color is made lighter, and the nutrition loss is alleviated, to meet the food custom and the health concept of modern consumption.

The invention discloses a pure traditional Chinese medicine acne-removing cream. The cream is prepared from the following medicinal components in parts by mass: 20-40 g of rheum officinale, 10-20 g ofcoptis chinensis, 20-40 g of golden cypress, 20-40 g of angelica dahurica, 2-8 g of realgar, 10-20 g of rhizoma atractylodis, 3-5 g of musk, 10-14 g of borneol, 10-20 g of pericarpium citri reticulatae and 20-40 g of tsuchiuri roots. The preparation method comprises the following steps: weighing desired parts by mass of the above traditional Chinese medicinal materials, grinding the traditional Chinese medicinal materials into wall-broken powder, and conducting sieving with a 140-mesh sieve to form ultrafine powder, thereby obtaining crude medicine powder; and weighing the crude medicine powder and Vaseline according to a ratio of 3: 10 to 1: 3, heating the Vaseline to 60 DEG C, adding the crude medicine powder, and conducting uniform stirring to obtain the acne-removing cream. Accordingto the invention, rheum officinale, coptis chinensis, golden cypress, angelica dahurica, realgar, atractylodes lancea, musk, borneol, pericarpium citri reticulatae and tsuchiuri roots are adopted as aprescription, and Vaseline is adopted as a solvent for the crude medicine powder prepared from traditional Chinese medicinal materials; after the prepared acne-removing cream is used, acne papules become light in color, pain is relieved, papules are reduced, and remarkable effect is obtained; and since the pure traditional Chinese medicinal materials are used in the invention, the acne-removing cream is green and safe and and can practically solve troubles caused by pimples to patients.

The invention discloses a preparation method of ultra-light-color high-stability hydrogenated terpene-phenolic resin, which comprises the following steps: S1, pulverizing terpene-phenolic resin to obtain pulverized terpene-phenolic resin; s2, a solvent, a catalyst, a catalyst carrier and a stabilizer are added into the crushed terpene-phenol resin, then hydrogen is introduced, the hydrogen pressure is 10-30 MPa, the temperature is increased to 210-240 DEG C, a reaction is conducted for 2.5-8 h, and a post-reaction melt is prepared; s3, releasing the pressure, cooling, discharging, and filtering to remove the catalyst, the catalyst carrier and the stabilizer; and S4, distilling the filtered product to remove the solvent, thereby obtaining the ultra-light-color high-stability hydrogenated terpene-phenol resin. The terpene-phenolic resin prepared by the method is light in color and luster, good in stability and weather resistance, simple in preparation step and green, environment-friendly and pollution-free in preparation process.

The invention relates to a phenolic glass fiber prepreg with light color and high quality surface effects and a preparation method thereof. The prepreg is mainly prepared by the following two steps: I, uniformly dispersing an insoluble inorganic powder mixed filler treated in epoxy resin in advance and other fillers in light-colored basic phenolic resin optimally synthesized according to a formula to prepare a modified phenolic resin solution; II, pre-impregnating a glass fiber fabric in the resin solution to prepare the prepreg. The prepreg has good processability and economical property, can be cured under high, medium and low temperature conditions respectively, is flexible in forming process and lower in required pressure, is suitable for preparing various laminated structures and sandwich structures, has excellent mechanical and FST properties and meets the requirements of CCAR25 and TB/T3237, and in particular, the finished product is light ivory yellow, has obvious shading effects and high surface quality and is easy to popularize and apply in manufacturing interior decorating parts of carriages of high-speed rails, such as railway vehicles, and aircraft cabins.

The invention discloses deodorized and decolorized sea cucumber powder and a preparation method thereof, and belongs to the field of aquatic product processing. The method comprises the following steps: (1) removing internal organs and gonads of fresh sea cucumbers, and soaking and washing the inner and outer surfaces of the body walls of the sea cucumbers; (2) draining the body walls of the sea cucumbers, cutting the sea cucumbers into pieces and performing homogenizing; (3) adding water and a compound enzyme into homogenate for enzymolysis, and the compounding ratio of the compound enzyme isthat the ratio of a special enzyme for aquatic products to flavourzyme is (2-8):(2-8)(U); (4) carrying out enzyme deactivation, and performing cooling to room temperature; (5) performing centrifugingand reserving supernatant; (6) performing rotary evaporation and concentration to 1/10 of the original volume; (7) storing and freezing a concentrated solution in an ultra-low temperature refrigerator at -80 DEG C; and (8) performing low-temperature freeze drying to obtain a sea cucumber powder. According to the method, no other chemical components are added, so that the time cost and the material cost are reduced, the product safety is improved, and the method is suitable for enterprise production.

The invention belongs to the technical field of cosmetics, and discloses a repairing mask cream simulating egg shells. The repairing mask cream comprises a preparation A, a preparation B, a preparation C, a preparation D and a preparation E, wherein the preparation A comprises the following components: water, kaolin clay and betaine; the preparation B comprises the following components: an alkanol acrylate cross-linked polymer, propylene glycol, glycerol, butanediol and p-hydroxyacetophenone; the preparation C comprises the component as follows: tetrahydroxypropyl ethylenediamine; the preparation D comprises following components: polydimethylsiloxane, a decamethylcyclopentasiloxane composition, a titanium dioxide composition, polysorbate and sorbitan stearate; and the preparation E comprises following components: a caprylhydroxamic acid composition, a polyurethane composition, a butanediol composition and essence. According to the repairing mask cream, the skin can be strongly cleaned inside and outside and has permeability, and the kaolin clay has the effects of adsorbing grease and dirt and cleaning the skin; and the multiple active ingredients improve the hydration capability of the skin and deeply nourish the skin, so that the effects of fading skin color deposition and brightening the skin color are achieved.

The invention discloses a processing method of soybean oil, and belongs to the technical field of grease processing. The method comprises the following steps: step 1, preparing soybean crude oil; step 2, performing long-term mixing alkali refining treatment on the crude soybean oil, further performing vacuum drying, adding a filter aid diatomite, and performing reduced-pressure filtration to obtain deacidified soybean oil; step 3, carrying out visible light illumination pretreatment on the deacidified soybean oil; 4, activated clay is added into the deacidified soybean oil subjected to illumination pretreatment for decoloring treatment, and decolored soybean oil is obtained; and step five, deodorizing the decolored soybean oil to obtain the finished product soybean oil. The soybean oil processing method is good in decoloring effect, safe, environmentally friendly, convenient to operate, low in cost, high in refining rate and suitable for soybean oil processing production.