65 results about "Yellow iron oxide" patented technology

An object of the present invention is to provide soft capsule formulations of active vitamins D, well-suited to practical production with easy discrimination of active ingredient levels, in which stability of the active vitamins D₃ to light and heat is ensured, and which material is highly safe to the human body. According to the present invention, soft capsule formulations of active vitamins D₃ can be obtained-wherein the capsule shell contains a white pigment and yellow iron oxide and/or red iron oxide, or titanium oxide and caramel, or yellow iron oxide.

The present invention provides a coating composition capable of forming a coating film that is applicable to a variety of industrial products, particularly automobile exterior panels, while exhibiting a high lightness and a low ultraviolet transmittance at a wavelength of 420 to 480 nm. The present invention relates to a coating composition comprising a chloride process titanium oxide pigment, a yellow iron oxide pigment, a carbon black pigment having a primary average particle size of 15 to 80 nm, and a resin composition, which is a vehicle-forming component, wherein when the coating composition is applied to give a cured film having a thickness of 25 μm, the resulting cured coating film has an average light transmittance within the range of 0.1 to 1.0% at a wavelength of 420 nm to 480 nm., and the invention also relates to a method for forming a multilayer coating film, comprising forming a color base coating film on a coating film obtained by applying the coating composition.

The invention relates to a method for preparing inorganic pigments, more particularly relates to a method for preparing yellow high-density heavy-weight iron oxide pigments. The method comprises the following steps: preparing and oxidizing seed crystals, screening, pressing and drying to obtain filter cakess, drying the filter cakes with a double-paddle dryer and a disk-type continuous dryer, and grinding when the filter cakes is dried with the disk-type continuous dryer. The bulk density of the product is in the range of 0.70g/ml to 1.2g/ml. Compared with the common yellow iron oxide pigment, the bulk density of the yellow high-density heavy-weight iron oxide pigment is approximately doubled, the oil absorption is reduced by about 20%, the tinting strength is improved, and the consumption is reduced under the same condition for pigmentation.

The present invention relates to improved yellow iron oxide pigments and to their use.

The invention discloses a mecobalamin tablet and a preparation method thereof. The mecobalamin tablet comprises a plain tablet and a film coating layer; the mass ratio of the plain tablet to the filmcoating layer is 100:510; the plain tablet comprises the following components in percentage by weight: 0.5% of mecobalamin, 40% to 70% of directly-compressed lactose, 15% to 45% of micro-crystalline fiber, 0 to 15% of corn starch, 0 to 15% of pregelatinized starch, 0 to 2% of stearic acid and 0 to 2% of a lubricant; the film coating layer comprises the following components in percentage by weight:20% to 40% of hydroxypropyl methyl cellulose, 20% to 50% of polyethylene glycol; 10% to 35% of titanium dioxide; 1% to 15% of yellow iron oxide; and 1% to 15% of red iron oxide. The preparation method of the mecobalamin tablet disclosed by the invention is simple; a mecobalamin raw material medicine can be uniformly dispersed in a manner of sieving and mixing the mecobalamin raw material medicineand proper auxiliary materials; the phenomenon of aggregation of the raw material medicine is prevented by a mechanical force, the raw material medicine is fully adsorbed on the auxiliary materials,and then the raw material medicine is mixed with other auxiliary materials step by step to improve the content uniformity; The preparation method disclosed by the invention reduces the stability riskby adopting a powder direct-compression process, and further improves the stability of the preparation by adopting a high-shading-performance film coating material for coating.

The invention discloses a natural and nontoxic eyebrow pencil. The natural and nontoxic eyebrow pencil comprises, by weight, 15-35 parts of rutile type titanium dioxide, 10-25 parts of vegetable wax, 5-15 parts of iron oxide, 8-16 parts of liquid paraffin, 15-25 parts of yellow iron oxide, 5-25 parts of palmitic acid, 2-8 parts of olive oil, 2-10 parts of vaseline, 5-15 parts of tripalmitin, 5-15 parts of essence and 8-12 parts of talcum powder. A production method of the natural and nontoxic eyebrow pencil includes: using a mixer to sufficiently mix the titanium dioxide, the iron oxide and the talcum powder; mixing other components, heating to melt the mixed components and then evenly adding into the powder, processing with a pulverizer, and compressing for formation. The natural and nontoxic eyebrow pencil is easy to use, appropriate in hardness, less prone to breaking during use, and the like.

Substantially environmentally inert materials that include substrates coated with a green-colored barrier layer containing at least a film forming polymer; organic pigment green 7; and yellow iron oxide pigment are disclosed. In the layer, the organic pigment green 7 and the yellow iron oxide pigment are present in the layer in a weight ratio of about 1:about 3 to about 1:about 5. Suitable substrates include crumb rubber, sand, chipped rubber and other particulate substrates. Related compositions, methods and recreation fields upon which such materials have been disposed are also described.

The invention relates to the technical field of ceramic manufacturing, in particular to a one-time-glazing tiger down spot tortoise-shell glaze ceramic and a manufacturing technology thereof. The one-time-glazing tiger down spot tortoise-shell glaze ceramic comprises a ceramic blank body and a tiger down spot tortoise-shell glaze, the iron content of the ceramic blank body is 7.8-8.3%, and the tiger down spot tortoise-shell glaze is prepared from potassium feldspar, quartz, dolomite, sodium pyroborate, calcium carbonate, zinc oxide crystal whiskers and yellow iron oxides. According to the one-time-glazing tiger down spot tortoise-shell glaze ceramic, the fired tiger down spot tortoise-shell glaze ceramic has the black brown bottom color, large-area golden yellow color lumps are shown on the black brown bottom color, black brown lines formed along with the zinc oxide crystal whiskers are formed in the golden yellow spot lines, and the effect of tiger down spots is formed; the inventionprovides a brand new ceramic decorative method, firing can be completed through one-time glazing, the method is of a positive significance in pushing development of the ceramic product, and the positive economic benefits are achieved.

The invention belongs to the technical field of medicinal preparations, and relates to mecobalamin tablet and a preparation method thereof. The mecobalamin tablet comprises the following components in parts by weight: 0.8-1.2 parts of mecobalamin, 15-18 parts of starch, 55-65 parts of microcrystalline cellulose, 100-110 parts of lactose, 0.4-0.5 part of calcium stearate and 8-10 parts of coating powder, wherein the coating powder is selected from one or more of titanium dioxide, red iron oxide, hydroxypropyl methylcellulose, polyethylene glycol and yellow iron oxide. By utilizing the mecobalamin tablet and the preparation method thereof, the prepared mecobalamin tablet has better stability and content uniformity.

The invention relates to a coil storing disc for cables, which belongs to the technical field of communication and electric power equipment, and the mixture ratio range of raw materials is: 15 to 20 of plant fibers, 2 to 8 of quartz powder, 60 to 120 of magnesium oxide, 60 to 120 of magnesium chloride saturated solution, 1 to 2 of talcum powder, 3 to 6 of sodium tripolyphosphate and 1 to 2 of yellow iron oxide; the materials are mixed by mass ratio; the production method comprises the steps: 1. the preparing of moulds; 2. the preparing of the materials; 3. the manufacturing; 4. the solidified forming; 5. the demoulding; 6. the curing; and 7. the assembling. The coil storing disc has the beneficial effect that: compared with the existing pure wooden discs or iron discs, the coil storing disc can protect the cables from being damaged better, and save bulk wood or iron metal materials and is good in environment property resistance. The coil storing disc for cables is characterized by high temperature, low temperature, good corrosion property resistance and water resistance and the like.

The invention discloses a zirconia-doped rare earth-modified acrylic resin type powder coating, and relates to the technical field of powder coating production. The powder coating is prepared from the following raw materials in parts by mass: 90-100 parts of glycidyl methacrylate, 15-20 parts of zirconia, 5-8 parts of rare earth, 10-12 parts of diatomite, 8-10 parts of asbestos powder, 5-8 parts of dodecanedioic acid, 4-6 parts of white carbon black, 3-5 parts of natrolite, 3-4 parts of ultra-fine transparent yellow iron oxide, 2-3 parts of dibutyl phthalate, 2-3 parts of polyester-modified organosiloxane, 1-2 parts of sodium metaborate and 100-120 parts of ethanol. The coating provided by the invention is non-toxic and free of solvents and volatile toxic substances, and complies with environmental requirements; the raw material utilization rate reaches 99%; a dense coating is formed after spraying, and high adhesion, good impact resistance, and excellent weather resistance and corrosion resistance are realized.

The invention relates to the technical field of preparation of pigments, and provides a preparation method of iron oxide yellow. The preparation method of iron oxide yellow comprises the following steps: adding a first part of a ferric salt solution and a first part of an alkaline precipitant into a reaction container, and performing heating; continuously adding a second part of the alkaline precipitant into the reaction container, and stopping the addition of the second part of the alkaline precipitant when the pH value reaches 1-2 in order to prepare iron oxide yellow seeds; and preparing the iron oxide yellow from the yellow iron oxide seeds. The method has a high preparation efficiency. The iron oxide yellow is prepared by the preparation method. A preparation method of iron oxide redcomprises the following steps: preparing the iron oxide yellow through the preparation method of the iron oxide yellow; and calcining the iron oxide yellow. The preparation method of the iron oxide red has the advantages of high efficiency and low cost, and the obtained iron oxide red product has the advantages of approximate elliptic primary particle size, uniform particle size distribution and high tinting strength. The iron oxide red is prepared by the preparation method of the iron oxide red, and has a good quality.

The invention discloses a complexion improvement make-up base and a preparation method thereof. The complexion improvement make-up base is prepared from 6-7 wt% of titanium dioxide, 2-2.5 wt% of mica, 1-1.5 wt% of yellow iron oxide, 0.1-0.2 wt% of red iron oxide, 0.05-0.08 wt% of black iron oxide, 0.5-1 wt% of zinc oxide, 8.8-14.4 wt% of humectant, 0.5-1.5 wt% of glycoprotein, 0.3-1 wt% of tea extract, 0.15-0.25 wt% of maltodextrin, 8-12 wt% of cyclopentasiloxane, 2.7-5.2 wt% of emollient, 2.1-3.2 wt% of emulgator, 1-2 wt% of polydimethylsiloxane/vinyl polydimethylsiloxane cross-linked polymer, 1-2 wt% of cereus grandiflorus extracts, 0.32-0.5 wt% of skin conditioner, 0.05-0.15 wt% of PPG-5 ceteth-10 phosphate, 0.0148-0.0195 wt% of preservative, 0.005-0.01 wt% of aromatic and the balance of water. The complexion improvement make-up base not only can effectively isolate the dirty air, cover spots or marks on the skin and protect skin against sunlight, but also can keep skin fresh and not greasy, soothe pores and realize zero burden of skin, prevent makeup from coming off and beautify and protect skin.

A kind of lycopene loose powder, the raw material and weight ratio in its formula are respectively: 5 parts of lycopene, 5 parts of zinc stearate, 10 parts of zinc oxide, 0.2 parts of black iron oxide, 3 parts of red iron oxide, yellow oxide 2 parts of iron, 1 part of lanolin, 0.5 parts of essence, 0.1 part of methyl paraben, 69 parts of talcum powder. The dosage and physical and chemical properties of each raw material described in the present invention produce a synergistic effect, thereby achieving the effects of mild antiallergic, concealer and beautifying skin. The pH value of the invention is close to that of human skin, and is non-irritating to the skin; after use, the skin is obviously comfortable, soft and non-greasy, and has obvious effects of whitening, fixing makeup and beautifying the skin.