15results about How to "Reduce discoloration" patented technology

This invention belongs to the field of scalp care formulation technology, and discloses a soothing, antibacterial, anti-hair loss, and hair-strengthening formulation with peptides and plant active ingredients, and its preparation method. The formulation includes a stabilized peptide-plant active ingredient pre-complex liquid, a matrix moisturizer, a scalp conditioner, a thickener, a pH adjuster, a preservative, and deionized water. The pre-complex liquid is prepared by pre-dispersion, weakly acidic pre-complexation, and stabilization treatment of licorice extract, scutellaria baicalensis extract, rosemary extract, hydrolyzed keratin peptides, plant-derived hydrolyzed peptides, glycerin, 1,3-propanediol, β-glucan, and sodium hyaluronate. In preparation, a plant active ingredient pre-dispersion liquid is first formed, then a low-molecular-weight peptide complex is added, followed by β-glucan and sodium hyaluronate for stabilization, and finally mixed with the formulation matrix and the pH is adjusted. This invention is beneficial for improving the dispersion stability, scalp and hair surface retention, and antibacterial persistence of plant active ingredients, and is suitable for soothing, antibacterial, anti-hair loss, and hair-strengthening care.

An arrangement for the degradation stable storage and transport of a liquid comprising a non-substituted saturated aliphatic C6-12 carboxylic acid in which the liquid is surrounded by a metallic container and covered with an oxygen free or at least heavily oxygen depleted inert gas phase atmosphere above the liquid.

This utility model discloses an auxiliary forceps for bonding invisible orthodontic attachments, relating to the technical field of auxiliary forceps for bonding invisible orthodontic attachments. The auxiliary forceps for bonding invisible orthodontic attachments includes a forceps control handle, an additional sleeve, and a fixing block. The auxiliary forceps for bonding invisible orthodontic attachments employs a structure where the additional sleeve is fitted onto a protruding connecting plate of the forceps. The protruding block on the additional sleeve facilitates pressing the attachment, achieving multi-angle pressing with good pressing effect. This product is used to fix the template during the bonding of invisible orthodontic attachments. Because the head is replaceable, it can be used for bonding various attachments in different positions, enhancing the bonding efficiency and accuracy of attachments, improving the fit between the attachment and the tooth, improving the fit between the tooth, attachment, and invisible aligner, improving the removal of excess resin, reducing the probability of air bubbles in the attachment, thereby reducing resin waste and the risk of discoloration and tooth decay caused by excess resin accumulation and plaque.

This utility model discloses a smart watch case with a snap-fit ​​structure, including a watch case base. A bottom shell is fixedly installed at the bottom of the watch case base. Fastening bolts are slidably connected to the four sides of the inner side of the bottom shell. Buttons are fixedly installed at the four corners of the watch case base. A transparent screen is fixedly installed in the center of the top of the watch case base. A locking block is snapped at the four corners of the top of the watch case base. A protective film is fixedly connected to the top of the four locking blocks. Through the locking blocks and the protective film, a protective film can be applied to the transparent screen, which can build a practical protective barrier for the transparent screen. It can effectively resist the scratches, bumps and wear that are unavoidable in daily use, prevent the transparent screen from leaving marks due to friction from hard objects such as keys and tabletops, and maintain the original smooth texture of the transparent screen. At the same time, the protective film can isolate the direct corrosion of stains such as sweat, oil, and dust, and reduce the oxidation, discoloration or staining of the transparent screen that is difficult to clean.

The utility model provides a floss pick with a tooth slit brush, and belongs to the technical field of oral care. Comprising a body handle, a dental floss rod is arranged at one end of the body handle, and a body dental floss, a handle hole, a push rod, a tooth picking tip, a left dental floss shell and a right dental floss shell are arranged in the dental floss rod. According to the utility model, the body handle is taken out by opening the left dental floss shell and the right dental floss shell, the body handle is held by a hand and moved to the oral cavity, so that the body dental floss below the dental floss rod is used for picking teeth and taking out food residues in the teeth, and the body handle is turned over to enable the tooth picking tip to face the teeth in the oral cavity; when the tooth picking tip is used, the edge of the residue needs to be slightly pressed to pick out the large food residue which is difficult to remove from the dental floss of the body in the tooth slit, and the forceful pricking of gingiva is reduced, so that the food residue and dental plaque between the teeth can be effectively cleaned, the tooth slit brush head is kept clean, and the push button is dragged to enable the movable sliding block to drive the tooth slit brush head to slide forwards. A user uses the tooth slit brush head to clean tooth slits of teeth.

The present invention relates to a composite method for controlling the discoloration of frozen fruits in acidic juice, and belongs to the technical field of fruit freezing processing. The main steps of the present invention include: 1) raw material selection; 2) pretreatment; 3) negative pressure ultrasonic penetration and pre-dehydration; 4) acid-resistant hydrogel impregnation; 5) non-thermal enzyme treatment; 6) electromagnetic coupling assisted impregnation quick freezing and acid-resistant hydrogel freezing coating; 7) acid protective film plating; 8) packaging. The frozen fruits processed by this process can be directly used in acidic juice (pH < 3.5) to keep the color unchanged for a long time, meeting the actual production needs; the developed composite color preservative can avoid the shortcomings of the use of single color preservatives and dyes, and has the characteristics of safety, greenness and high efficiency.

The present invention relates to a dental ceramic paste comprising a cationic surfactant (A), a glass powder (B), and an alcohol (C).

The invention relates to the field of plate glass, and discloses plate glass based on diffusivity strengthening and a preparation method of the plate glass based on diffusivity strengthening. Comprising the following raw materials in parts by weight: 50-80 parts of cullet, 30-60 parts of sand, 10-20 parts of sodium carbonate, 5-10 parts of limestone, 1-5 parts of zinc oxide, 1-5 parts of titanium dioxide, 1-3 parts of bauxite, 1-3 parts of aluminum oxide, 1-3 parts of barium sulfate and 1-3 parts of magnesium oxide. A certain amount of cullet is used as one of the raw materials of the diffusivity-strengthened plate glass, and the cullet, the sand, the sodium carbonate, the limestone, the zinc oxide, the titanium dioxide, the bauxite, the aluminum oxide, the barium sulfate and the magnesium oxide are prepared according to a certain proportion, so that the utilization rate of the cullet is increased, and the waste of resources is reduced; therefore, the problem of low resource utilization rate during production of traditional plate glass due to low utilization rate of cullet of the traditional plate glass is solved.

The invention relates to matte varnish for high-grade veneer automotive interiors and application of the matte varnish. The coating is prepared from the following raw materials: acrylic resin, polyester resin, polyisocyanate, a delustering agent, a directional auxiliary agent, an ultraviolet light absorber and the like. According to the invention, acrylic resin is used as matrix resin and does not contain benzene substances, so that the coating does not cause harm to the health of a user; the polyester resin is added to improve the toughness of the paint film and improve the matching performance with the base paint; polyisocyanate is added to cure the paint film; by adding the delustering agent, the gloss of the varnish film is adjusted to be matte, and the transparency of the varnish film is ensured; the ultraviolet absorbents with the absorbing and shielding functions aiming at different nanometer wave bands are added, most of 290-349 nanometer light waves are absorbed and shielded, and the problem that natural wood veneers and technical wood are prone to discoloring is solved; all the raw materials do not contain benzene substances, the paint and the coating have the characteristics of no toxicity and environmental protection, and the targeted ultraviolet shielding function protects a workpiece from discoloration and gloss loss.

This utility model relates to a device for continuous clean transfer and sterilization of powders, comprising: a sterilization chamber, a feeding device, a heating device, a first collection tank, a second collection tank, and a motor. The sterilization chamber is externally connected to a cylinder and internally contains several stirring paddles. A valve is provided between the sterilization chamber and the cylinder. The sterilization chamber, stirring paddles, and motor are connected to other components via a rotary sealing coupling. This device solves the problems of low sterilization efficiency, easy deterioration of material quality, and risk of secondary contamination in existing sterilization chamber devices, achieving highly efficient sterilization of granular powders while maximizing the stability of the material's effective components and original quality.

This invention relates to the field of polymer composite materials technology, and discloses a modified chlorinated polyvinyl chloride (PVC) composition and its preparation method. The PVC resin, methyl tin heat stabilizer, epoxidized soybean oil, and antioxidant are mixed, followed by the addition of a borate and phosphate composite intercalated magnesium zinc aluminum layered double hydroxide-coated nano-titanium dioxide composite heat-stabilized flame-retardant compound, a zinc hydroxystannate and zinc molybdate in-situ anchored boehmite and hexagonal boron nitride layered composite smoke-suppressing and heat-resistant compound, rutile titanium dioxide, nano-calcium carbonate, zinc borate, impact-resistant resin, and lubricating components. The mixture is then subjected to mixing, melt plasticizing, compounding, degassing, extrusion, and granulation to obtain the final composition. The resulting composition exhibits good thermal stability, flame retardancy, smoke suppression, impact resistance, and processing stability.

An environmentally friendly wood bleaching treatment method using ultraviolet photocatalysis is disclosed, belonging to the field of wood bleaching. This invention aims to solve the problems of low efficiency, yellowing of bleached wood, excessive bleaching waste liquid, and severe reduction in mechanical properties associated with existing bleaching methods. The treatment method includes: 1. Coating with bleaching solution; 2. Catalytic bleaching. This invention is used for environmentally friendly wood bleaching treatment using ultraviolet photocatalysis.

The invention discloses a bi-component water-based adhesive for automotive trim and a preparation method of the bi-component water-based adhesive, and relates to the technical field of adhesive preparation. Oligomer polyol, polyisocyanate, a catalyst, a solvent, a nonionic hydrophilic monomer, a micromolecule chain extender and a sulfonic acid hydrophilic monomer are subjected to a co-reaction for 2-7 h; the preparation method comprises the following steps: preparing a component A, adding a silane coupling agent, waterborne polyurethane and an acrylate polymer, stirring, adding N, fluorodichloromethyl sulfo and N, N-dimethyl-N '-phenyl sulfonamide, mixing and stirring to obtain a modified component B, and mixing and stirring the component A and the modified component B to obtain the bi-component water-based adhesive. According to the bi-component water-based adhesive for the automotive trim and the preparation method of the bi-component water-based adhesive, the water dispersibility and the antioxidant stability of the water-based adhesive are improved, the situation that the water-based adhesive is affected by the environment for a long time or the surface of the water-based adhesive is mildewed or corroded when meeting water is avoided, and the color and the quality of the water-based adhesive are guaranteed.

The utility model discloses a multi-grid folding fruit packaging box, including folding packaging box main part, the inner bottom of folding packaging box main part places humidity adjusting pad, humidity adjusting pad is polyester fiber blended water -retaining cotton material, the side of folding packaging box main part is far apart all is fixedly connected with plastic frame, the side of folding packaging box main part is far apart all is set up with a plurality of air hole, every plastic frame all is equipped with two quick -release structure, every plastic frame's inside all slidingly connected with the absorption box, every absorption box's inside all is equipped with ethylene absorbent. The utility model discloses, through setting up absorption box and sealing ring, sealing ring seals, makes the ethylene absorbent in absorption box inside absorption folding packaging box main part inside ethylene gas, reduces the maturation and senescence process of fruit, avoids the softening, the discoloration, the flavor drop of fruit, even overripe and rotten.

The present invention relates to a cosmetic composition comprising ferulic acid, a basic amino acid, and a pH adjusting agent, which can maintain the titer of ferulic acid even if stored for a long period of time by inhibiting the decarboxylation reaction of ferulic acid, and can prevent precipitation, discoloration, and decline in efficacy, thereby providing a composition having excellent dosage form stability.