270 results about "Whitening Agents" patented technology

The invention discloses unsaturated polyester resin for imitation jade handicrafts and a preparation method thereof, and belongs to the technical field of polyester resin. Comprising the following components: diethylene glycol, methylpropanediol, propylene glycol, maleic anhydride, phthalic anhydride, an antioxidant, a polymerization inhibitor, paraffin, a stabilizer, an ultraviolet light absorber, a whitening agent and a diluent. The weight ratio of the propylene glycol to the methyl propylene glycol is (1.0-1.3): 1, and the methyl propylene glycol accounts for 20-22% of the total amount of the dihydric alcohol; the weight ratio of maleic anhydride to phthalic anhydride is (0.46-0.52): 1; the preparation method comprises 1) adding the raw materials and the antioxidant into a reactor, carrying out heating, carrying out heat preservation for 0.5-1.0 h and continuing heating, 2) carrying out a reaction for 2-3 h after heating, carrying out dehydration until an acid value is 20-25 mgKOH / g, and 3) carrying out cooling, adding the auxiliary agent and carrying out uniform mixing so that the unsaturated polyester resin is obtained.

The invention relates to the technical field of whitening essence, and discloses whitening essence suitable for sensitive skin and a preparation method thereof.The whitening essence suitable for sensitive skin is prepared from, by mass, 2%-3% of prinsepia utilis royle oil, 1%-2% of portulaca oleracea extract, 1.5% of camellia yunnanensis flower extract, 0.5% of panax notoginseng root extract, 3% or less of nicotinamide, 1% or less of 1, 2-propylene glycol and the balance deionized water. 1%-1.5% of 1, 2-hexanediol, 0.1%-0.3% of sodium hyaluronate and 60%-70% of deionized water. According to the whitening essence suitable for the sensitive skin and the preparation method of the whitening essence, through the synergistic combination of prinsepia utilis royle oil (barrier repair), purslane (anti-inflammatory), camellia japonica (tyrosinase inhibition) and pseudo-ginseng (microcirculation improvement), melanogenesis is inhibited through multiple channels, the sensitive skin is relieved synchronously, nicotinamide (3%) is compounded with the prinsepia utilis royle oil, and the skin whitening effect is achieved. The synergism of whitening and barrier repair is enhanced through a dual mechanism of promoting ceramide synthesis and inhibiting melanin transport, and the problems that a traditional whitening agent has different degrees of irritation, allergy phenomena such as skin redness, swelling and pain are easily caused by improper use, and a skin intolerance phenomenon exists are solved.

The invention relates to the technical field of resin, in particular to a preparation method of high-whiteness resin, which comprises the following steps: respectively preparing a mesoporous SiO2 (at) Eu < 3 + > whitening agent and a TiO2 photonic crystal whitening agent; the preparation method comprises the following steps: mixing two whitening agents according to a weight ratio of 1: 1-1: 4, carrying out surface modification, and carrying out melt blending with a resin matrix; an intelligent control system is adopted to regulate and control technological parameters in real time, and it is ensured that the whiteness is larger than or equal to 96 and the thermal decomposition temperature is larger than or equal to 380 DEG C. According to the preparation method, a mesoporous SiO2 (at) Eu < 3 + > whitening agent and a TiO2 photonic crystal whitening agent have a synergistic effect, and a silane coupling agent is adopted for surface modification, so that the whitening agents are more evenly and stably dispersed in a resin matrix, and the ultrahigh whiteness larger than or equal to 96 can be achieved; meanwhile, the yellowing risk is reduced, and the visual appearance quality of a resin product is greatly improved.

The present application relates to the technical field of resin, and relates to a preparation method of high-whiteness resin, respectively preparing mesoporous SiO2@Eu 3+ The two whitening agents are mixed in a weight ratio of 1:1 to 1:4, surface modification is carried out, and then the whitening agents are melt-blended with a resin matrix; an intelligent control system is used to real-time regulate process parameters, so that the whiteness is greater than or equal to 96, and the thermal decomposition temperature is greater than or equal to 380 DEG C; the present application realizes the synergistic effect of the mesoporous SiO2@Eu 3+ The whitening agent and the TiO2 photonic crystal whitening agent synergistically act, and surface modification is carried out by using a silane coupling agent, so that the whitening agent is uniformly and stably dispersed in the resin matrix, the whiteness of the resin product is greater than or equal to 96, the risk of yellowing is reduced, and the visual appearance quality of the resin product is greatly improved.

There is herein described a dissolvable oral strip or film. In particular, the present invention relates to a dissolvable or substantially dissolvable oral strip or film comprising at least one whitening agent and at least one oral hygiene agent. There is also described a process for the manufacture of a dissolvable or substantially dissolvable oral strip or film. There is further described a method of using a dissolvable oral strip or film comprising at least one whitening agent to whiten teeth and at least one oral hygiene agent that is effective against oral health conditions.

The invention relates to the technical field of beauty and health care, and discloses a traditional Chinese medicine composition for whitening adult women, which comprises the following raw materials by weight: 10-15% of dahurian angelica root, 10-15% of bighead atractylodes rhizome, 10-15% of Poria cocos, 5-10% of pearl powder, 8-12% of Chinese angelica, 3-5% of licorice, 5-8% of safflower, 5-8% of wolfberry, 8-12% of Chinese yam and 10-15% of coix seed. According to the traditional Chinese medicine composition for whitening the adult females and the preparation method of the traditional Chinese medicine composition, multiple traditional Chinese medicinal materials with multiple effects of whitening, removing freckles, resisting oxidation, moisturizing and the like, such as radix angelicae, rhizoma atractylodis macrocephalae, pearl powder, radix angelicae sinensis and the like are adopted, and through scientific compatibility and proportion, the traditional Chinese medicinal materials can achieve a synergistic effect from multiple aspects, so that a comprehensive whitening effect is achieved; the skin care composition has the advantages that the skin care composition has anti-aging and moisturizing functions at the same time, comprehensive skin care is provided for users, pure natural traditional Chinese medicine components are selected, chemical whitening agents, essence and preservatives are not contained, irritation and side effects are effectively reduced, and the skin care composition is suitable for all skin types, especially adult women with sensitive skin, and milder whitening experience is provided.

The invention provides an ascorbic acid-S-glutathione conjugate, a derivative, a preparation method and application of the ascorbic acid-S-glutathione conjugate. The conjugate is obtained by activating ascorbic acid-6-hydroxyl by halogenation or sulfo group and then connecting the activated ascorbic acid-6-hydroxyl with sulfydryl of glutathione through thioether. The invention also discloses derivatives such as salts, esters, N-acylates, N-alkylates and the like of the compound. The stability of the series of compounds is greatly improved compared with that of vitamin C, and the whitening effect is obviously better than that of vitamin C and glutathione monomers. The invention also discloses a preparation method of the series of compounds and application of the series of compounds as antioxidants, whitening agents, nutritional supplements and the like in cosmetics, foods, feeds and medicines.

The invention relates to a fluorescent whitening agent, in particular to a stilbene biphenyl fluorescent whitening agent and a preparation method thereof. The stilbene biphenyl fluorescent whitening agent is a crystal represented by a formula (1), and contains crystal water or an isomer. The fluorescent whitening agent CBS provided by the invention comprises rod-shaped, needle-shaped and lamellar crystal forms. In the invention, all crystal forms are measured by adopting an X-ray diffractometer, and the water content is precisely measured by adopting a KarlFischer titration method. The X-ray scanning spectrum peak attributions of the crystal samples obtained by different preparation methods have significant difference. # imgabs0 #

The invention discloses a colored polyethylene fiber and a preparation method thereof, and belongs to the technical field of colored fiber preparation, the colored polyethylene fiber comprises the following raw materials by weight: 80-100 parts of composite polyethylene, 5-8 parts of antibacterial color master batch, 1-2 parts of an antioxidant, 1-2 parts of an ultraviolet light absorber, 2-3 parts of a lubricant and 1-2 parts of a flexibilizer; the antibacterial color master batch of the antibacterial whitening agent with quaternary ammonium salt and quaternary phosphonium salt structures and the silver-loaded titanium dioxide is prepared, a double-bond structure of the antibacterial whitening agent and the silver-loaded titanium dioxide cooperate to improve the wear resistance of the material, and the antibacterial whitening agent and the silver-loaded titanium dioxide improve the coloring uniformity of fibers by absorbing or reflecting natural light; and the degradation of the dye by microorganisms is obviously reduced through the composite sterilization effect, so that the color fastness grade of the fiber is improved.

The invention relates to the technical field of skin care product raw materials, and particularly discloses a whitening composition as well as a preparation method and application thereof. The whitening composition is prepared from the following components in parts by mass: 29.6 to 35.4 parts of a solvent; 54 to 56 parts of a humectant; 0.9 to 1.1 parts of a whitening agent; 4.5 to 5.5 parts of a penetrating agent; 0.4 to 0.6 part of an antioxidant; 4.8 to 7.2 parts of a composite plant extract; the composite plant extract is prepared by compounding a polygonatum odoratum root extract, a glycyrrhiza glabra root extract and a rhodiola rosea root extract. The whitening mask has the advantage of further improving the whitening effect.

The invention discloses a multiple emulsion as well as a preparation method and application thereof. The multiple emulsion is composed of an inner water phase, an oil phase and an outer water phase, the inner water phase is composed of a whitening agent and a humectant, the oil phase is composed of vegetable oil, an antioxidant and an emulsifier, and the outer water phase is composed of resveratrol-phosphorylated zein-carboxymethyl chitosan composite nanoparticles, a penetration enhancer and a humectant. The multiple emulsion provided by the invention has good stability, antioxidant activity and moisture retention, can effectively inhibit tyrosinase activity so as to achieve the effect of whitening the skin, is non-irritant to the skin, does not destroy the micro-ecological balance of the skin, is light in skin feeling, can be used in skin care products such as essence milk, face cream, facial masks and the like, and has a very good application prospect. The method is suitable for large-scale industrial production and application.

Oral care compositions and, e.g., oral care compositions providing improved stain resistance are disclosed herein. In accordance with an aspect, provided is an oral care composition including a whitening agent comprising from about 0.1 to about 10 wt.% of a peroxide; a cross-linked polyacrylic acid and / or a salt thereof; a polyol; and water in an amount up to 10 wt.%, wherein all weight percentages are based on the total weight of the oral care composition.

The invention discloses a method for preparing nano calcium carbonate by efficiently removing iron impurities in nano calcium carbonate raw material ore, and belongs to the technical field of nano material preparation. The method comprises the steps of raw material pretreatment, digestion treatment, size mixing treatment, carbonization treatment, surface treatment and drying, in the size mixing treatment process, a whitening agent Na2SO3 is adopted for removing iron in raw material ore, Na2SO3 serves as a reducing agent, Fe < 3 + > is reduced into Fe < 2 + >, a proper amount of whitening auxiliary such as DTPA or triethanolamine forms colorless water-containing iron chelate ions with iron ions, and the iron chelate ions are subjected to surface treatment. And through a synergistic system of the whitening agent and the whitening auxiliary agent, efficient removal of iron is realized. The whiteness of the prepared nano calcium carbonate reaches up to 97.2%, the nano calcium carbonate has the remarkable advantages of being efficient, environmentally friendly, economical and the like, the iron content in the nano calcium carbonate can be remarkably reduced, the purity and whiteness of the product are effectively improved, and the high requirement of the high-end application field for the quality of the nano calcium carbonate is met. Meanwhile, the method is simple and convenient to operate and easy to industrially apply, and has wide market prospects and popularization value.

The invention relates to the technical field of skin care product raw materials, and particularly discloses a whitening composition and a preparation method thereof. The whitening composition is prepared from the following components in parts by mass: 2.8 to 3.2 parts of polypeptide; 3.4 to 4.4 parts of a composite plant extract; 1.8 to 2.2 parts of a whitening agent; 0.9 to 1.1 parts of an antibacterial agent; 38 to 42 parts of a humectant; 47.1 to 53.1 parts of a solvent; the composite plant extract is prepared by compounding a scutellaria baicalensis root extract, a medicinal peony flower extract, a licorice root extract and a cornflower flower extract. The whitening mask has the advantages of further improving the whitening effect and the comprehensive skin conditioning effect.

To provide a skin-whitening agent, autophagy derivative, and epidermis hyperplasia inhibitor.SOLUTION: Provided are a humus extract containing fulvic acid and mineral, and / or a skin-whitening agent including uncoupler other than fulvic acid, an autophagy derivative including uncoupler in keratinocyte, and an epidermis hyperplasia inhibitor including uncoupler.SELECTED DRAWING: None

The invention relates to a bright-color gradient-color safety belt and a production process thereof, and relates to the technical field of fabric production processes, and the bright-color gradient-color safety belt comprises a gradient-color woven belt and a color optimization finishing agent, the color optimization finishing agent comprises the following components in parts by mass: 20-30 parts of nano disperse dye, 10-15 parts of an ultraviolet light absorber, 5-10 parts of mesoporous silica, 15-20 parts of a color fixing agent, 5-8 parts of an organic silicon softening agent, 2-4 parts of a fluorescent whitening agent, 1-2 parts of a pH buffering agent and 30-40 parts of a solvent. The production process comprises the following steps: weaving more than two yarns with different colors to obtain a gradient yarn-dyed woven belt; the preparation method comprises the following steps: removing impurities, flattening to obtain a treated braid, padding the treated braid in a color optimization finishing agent, washing with water, fixing color, shaping in cold water, drying after treatment, packaging and storing to obtain the gradient color safety belt with bright color. The gradient color safety belt has the effect of improving the optical performance, the color fastness and the structural stability of the gradient color safety belt, and has a good safety protection function and durability.

Fluorescent whitening agents (FWA) or optical brighteners based on bicyclic heterocyclic compounds (I) and (II) are suitable for use in consumer products: Wherein the variables are as defined in claim

The invention discloses a fluorescent whitening agent wastewater treatment device, which comprises a treatment box, one side of the treatment box is provided with a water inlet mechanism in a penetrating manner, and the water inlet mechanism is used for allowing wastewater to enter the treatment box; through the arrangement of the filtering mechanism, multi-stage efficient filtering can be achieved, when supernate is extracted, a micro-impurity filtering plate plays a role firstly, the micro-impurity filtering plate is arranged in a plurality of through holes in the bottom of an inner sliding shell, micro floccules in wastewater can be accurately intercepted, the micro floccules are effectively prevented from entering a subsequent filtering link, and the filtering efficiency is improved. Water filtered by the micro-impurity filter plate can enter the filter cover, a filter screen at the top of the surface of the filter cover can further screen impurities possibly remaining in the water, a reset spring and a baffle at the top of an inner cavity of the filter cover can be adjusted according to the water pressure condition during water pumping, and when the water pressure changes, the baffle slides in the filter cover, so that the water is pumped. And the stability and high efficiency of the filtering process are ensured.

The utility model discloses a granulating mechanism for processing a water-soluble polymerization type fluorescent whitening agent, which relates to the technical field of fluorescent whitening agent processing and comprises a support, a post-processing mechanism is fixedly mounted at the front end of the support and comprises a driving component, a mounting frame, a water-soluble polymerization type water-soluble polymerization type water-soluble polymerization type water-soluble polymerization type water-soluble polymerization type water-soluble polymerization type water-soluble polymerization type water-soluble polymerization type water-soluble polymerization type water-soluble polymerization type water-soluble polymerization type water-soluble polymerization type water-soluble polymerization type water A motor is fixedly mounted on the front wall of the mounting frame and enables a first bevel gear to rotate through a transmission shaft, an n-shaped rod is connected to the axis position of the first bevel gear, a connecting shaft rotationally connected with the inner wall of the mounting frame is fixed to the other end of the n-shaped rod, and a movable shaft rod is rotationally connected to the top end of the n-shaped rod. The screening and filtering assembly is arranged on the inner side of the support and used for screening fluorescent whitening agent particles, and the problems that in the prior art, although some devices capable of conducting screening treatment exist, the screening technology and the drying technology are mostly separated, the processing period is long, and the device cost is high are solved.

This invention discloses a firming and wrinkle-reducing eye cream, comprising a moisturizer, a whitening agent, a skin repair additive composition, a thickener, a preservative, a film-forming agent, a skin moisturizer, and a surfactant. The weight ratio of the moisturizer, whitening agent, anti-aging additive composition, thickener, preservative, film-forming agent, skin moisturizer, and surfactant is 20:1:2:3:0.3:0.5:1:0.2. The moisturizer includes butylene glycol, glycerin, polydimethylsiloxane, and hydrogenated polyisobutylene. The skin-repairing additive composition includes hydroxypropyl tetrahydropyranotriol, adenosine, cell growth factors, ceramides, and salicylic acid, comprising olefins, betaine, trehalose, 1,2-hexanediol, hydrogenated lecithin, allantoin, and Euglena galactosides. The film-forming agents include polyacrylamide, cyclohexylsiloxane, and polydimethylsiloxane alcohol. The emollients include C13-14 isoparaffins, polydimethylsiloxane / vinyl dimethylsiloxane crosspolymers, and cyclopentamethoxysiloxane. This invention can repair cells and provide long-lasting anti-wrinkle and whitening protection for the corners of the eyes.

The invention discloses a preparation method of a thin coating type protective adhesive, the thin coating type protective adhesive and a protective film. The preparation method comprises the following steps: (1) pre-dispersing 0.1-1 part by mass of nano fumed silica, 0.1-0.5 part by mass of a fluorescent whitening agent and 50-80 parts by mass of solvent oil; and (2) sequentially adding 0.01 to 0.04 part by mass of a platinum catalyst, 2 to 7 parts by mass of vinyl-polyhedral oligomeric silsesquioxane and 20 to 50 parts by mass of hydrogen-terminated silicone oil. According to the scheme, the ultrathin coating can be formed while the surfaces, corners, curved surfaces and welding spots of components are completely covered, and the hydrophobic performance, the insulating performance, the environmental protection performance and the safety performance of the coating are effectively ensured.

The utility model relates to the technical field of chemical equipment, and discloses a fluorescent whitening agent crystallization kettle temperature control device which comprises a stirring mechanism, and a cooling mechanism is arranged on the right side of the stirring mechanism; the stirring mechanism comprises a crystallization kettle body, a rotating rod is rotatably connected to the interior of the crystallization kettle body, a motor is fixedly connected to the top of the rotating rod, a connecting ring is fixedly connected to the outer side of the rotating rod, stirring blades are fixedly connected to the outer side of the connecting ring, and connecting rods are fixedly connected to the left side and the right side of the rotating rod; the outer side of the connecting rod is fixedly connected with a supporting ring, and the outer side of the supporting ring is fixedly connected with a scraping plate and a guide plate. According to the temperature control device for the fluorescent whitening agent crystallization kettle, by arranging the connecting rings and the stirring blades and utilizing the auxiliary effect of the scraping plate and the guide plate, it is guaranteed that fluorescent whitening agent raw materials are evenly mixed and efficiently stirred in the crystallization kettle body, the production efficiency is improved, and raw material waste is reduced.

The invention discloses iris tectorum essential oil with antioxidant and whitening effects for cosmetics as well as a preparation method and application of the iris tectorum essential oil. The aged iris rhizome is selected as an extraction material, and a supercritical carbon dioxide extraction method without adding an entrainer is adopted as an extraction method, so that the prepared iris essential oil has excellent antioxidant and whitening effects; meanwhile, by optimizing the aging year and the use concentration of the iris essential oil in cosmetics, the anti-oxidation and whitening effects of the iris essential oil are further improved, so that the iris essential oil has the potential of being developed into a natural anti-oxidation and whitening agent.

The invention discloses a degradable plastic quality release and demolding residue traceability management method, and relates to the technical field of quality release traceability, and the method comprises the following steps: 1, doping a fluorescent whitening agent European in a polylactic acid matrix to form an inner channel, attaching a polyvinyl alcohol witness sheet to the edge of a cavity, and presetting riboflavin to form an outer channel, establishing a dual-channel ultraviolet detection position; 2, collecting two paths of intensity, calculating a ratio coefficient, and establishing mapping with surface residues to form red, yellow and green threshold values and a correction list; 3, a workpiece is judged through a black box, spray volume, wind shear and mold temperature instructions are automatically given, a witness piece is separated from warm water and confirmed through a background, and meanwhile a cavity-level demolding event is generated and bound with the digital link two-dimensional bar code; and step four, third-party compliance files are archived in a ticket-folder manner with quantiles as reference to a reconvergence threshold value, so that mold-crossing and line-crossing consistent release and verifiable traceability are realized, and food contact and compostable boundaries are considered. And the release efficiency and stability are improved.

The present invention relates to a film and a capsule which do not contain titanium oxide and which have light-blocking properties and improved mechanical strength. The film and capsule are produced using a composition comprising a film-forming polymer and a whitening agent. The film-forming polymer is selected from the group consisting of cellulose derivatives, gelatin, and pullulan. The whitening agent comprises a salt and a surfactant, wherein the salt is sodium sulfate or a combination of sodium sulfate and a white pigment, wherein the white pigment is not titanium dioxide. The light-blocking film and capsule having improved mechanical strength are obtained by molding the composition into a film and a capsule, respectively, and then drying the film and capsule at 55°C or lower.

The invention relates to the technical field of PVC pipeline preparation, and particularly discloses a hydrophobic and anti-scaling PVC drainage pipe. Comprising the following raw materials in parts by mass: 100 parts of PVC resin, 8-10 parts of nano calcium, 3-5 parts of a calcium-zinc stabilizer, 0.8-1.5 parts of a lubricant, 1.2-2.0 parts of oxidized polyethlene wax, 8-12 parts of an impact modifier, 2-3 parts of an antioxidant, 5-7 parts of titanium dioxide, 3-5 parts of fluorinated silicon dioxide, 1-3 parts of a silane coupling agent, 4-6 parts of polyacrylate and 0.2-0.4 part of a whitening agent. The preparation method of the hydrophobic and anti-scale PVC drainage pipe comprises the following steps: S1, weighing the raw materials according to the raw material groups of the hydrophobic and anti-scale PVC drainage pipe in any one of claims 1-6; and S2, mixing and melting the raw materials weighed in the step S1, and carrying out extrusion molding through a screw extruder. The scheme is used for solving the problems that scale is easy to deposit and grease is easy to adhere in a common PVC drainage pipe.

Disclosed herein are oral care compositions comprising one or more water-soluble polymers and whitening agents comprising one or more acyl donors and one or more perhydrolase enzymes, wherein the oral care composition is in the form of a solid film. Further disclosed herein are methods of making and using the oral care composition, as well as kits comprising the oral care composition and a dentifrice comprising at least one source of hydrogen peroxide.

The application belongs to the technical field of biological materials, and specifically discloses an amino acid whitening polypeptide and a preparation method thereof. The structural general formula of the polypeptide is as follows: R-A-B-NH2, wherein R is a modified acyl group serving as an N terminal and having a carbon number ranging from 6 to 10, A is D-proline and a derivative thereof, and B is D-arginine and a derivative thereof. The amino whitening polypeptide is prepared by using an Fmoc solid-phase synthesis method. The whitening polypeptide has excellent melanin synthesis inhibition activity, and plays a role by targeting inhibition of TRP-1. At a concentration of 1 μM, the melanin synthesis inhibition rate of B16 cells reaches a statistically significant standard, which is significantly better than a conventional whitening agent that can only achieve a similar inhibition effect at a high concentration, and greatly reduces the effective use concentration of a whitening product.

The application discloses a preparation method of a nano TiO2 composite fluorescent whitening agent and relates to the technical field of fluorescent whitening agents. The method comprises the following steps: firstly, one-time condensation is carried out on cyanuric chloride and 4,4'-diamino-stilbene-2,2'-disulfonic acid; secondly, secondary condensation is carried out on diethanolamine, and quaternary ammonium is formed by using epichlorohydrin in the secondary condensation process; finally, tertiary condensation is carried out on amino nanoparticles, so that the nano TiO2 composite fluorescent whitening agent is obtained. The nano TiO2 composite fluorescent whitening agent prepared by the application has the characteristics of good ultraviolet aging resistance and water solubility.

Provided is a turnover promoter capable of promoting the turnover of epidermis. In the present invention, a turnover promoter for epidermis is prepared, the turnover promoter containing at least one 3-hydroxybutyric acid component selected from 3-hydroxybutyric acid, a salt of 3-hydroxybutyric acid, and a 3-hydroxybutyric acid alkyl ester represented by formula (1) (wherein R represents an alkyl group). The turnover promoter may further contain a skin whitening agent. The skin whitening agent may contain a tyrosinase inhibitor and / or a melanin transport inhibitor.