40 results about "Wax matrix" patented technology

The present invention aims to provide a method for producing, by a simple method, drug-containing wax matrix granules, particularly drug-containing wax matrix granules having an average particle diameter of 1 mm or lower, while avoiding liquid blockage due to the recrystallization of a molten drug during the period from a melting step to a spray step.

Drug-containing wax matrix granules having at least one wax and at least one drug are produced by the following steps (i) and (ii): (i) supplying the at least one drug and the at least one wax to an extruder in which the temperature of a barrel and the temperature of a die are adjusted to be higher than the melting point of the at least one wax; and (ii) while melting and kneading the at least one drug and the at least one wax in the extruder to give a molten kneaded drug and wax, spraying the molten kneaded drug and wax into an atmosphere having a temperature lower than the melting point of the wax from a spray nozzle directly mounted onto a die provided at a top end of the barrel of the extruder, thereby forming the mixture into granules.

The present lipid-based wax compositions commonly include a polyol fatty acid ester component (made up of partial and/or completely esterified polyols). Generally, at least a portion of the polyol fatty acid ester has been subjected to a transesterification reaction. Lipid-based wax compositions having a melting point of about 48° C. to about 75° C. can be particularly advantageous for use in forming candles. The wax may contain other components such as mineral wax, plant wax, insect wax, and/or other components. The polyol fatty acid ester component can include triacylglycerols such as those derived from plant oils (soybean oil, palm oil, etc.). The polyol ester component may be characterized based on one or more of its physical characteristics, such as SFI-40, SFI-10, typical crystal structure, IV, melting curve, and/or other properties.

Methods for preparing a solid powder cosmetic composition comprise heating a wax component and one or more cosmetic powders at a temperature sufficient to melt the wax, and subsequently cooling the mixture to provide a solid composition comprising a wax matrix having particulate materials homogenously dispersed therein.

The coating composition which coats the biologically active substance includes at least one protective material selected from the group consisting of a hardened animal fat, a hardened vegetable oil, a linear or branched, saturated or unsaturated aliphatic monocarboxylic acid having 12 to 22 carbon atoms, a fatty acid ester, and a wax group; lecithin; and at least one preservative selected from a propionic acid or its salt, a sorbic acid or its salt, a benzoic acid or its salt, a dehydroacetic acid or its salt, parahydroxybenzoic acid esters, an imazalil, a thiabendazole, an orthophenyl phenol, an orthophenyl phenol natrium, and a diphenyl.

The invention discloses an investment casting method of aluminum alloy pores. A ceramic slurry is filled in the wax matrix pores to directly prepare a ceramic mold core on the wax matrix, thereby implementing the integral forming of the mold core and mold shell, simplifying the technique and lowering the mold core manufacturing cost. A metal core bar is added into the ceramic mold core, thereby enhancing the strength of the ceramic mold core and also enhancing the joint strength between the ceramic mold core and mold shell. The method is simple and easy to implement, and has the advantages of low cost and high reliability.

A trap for capturing an arthropod comprising a solid wax matrix and a semiochemical. Other embodiments of the trap and/or a dispenser, and methods of attracting an arthropod to a trap and/or a dispenser, are further disclosed.

The invention discloses a manufacturing method of a hollow wax pattern, which is a technical process to produce thick segments of applied components into hollow wax patterns during the process of manufacturing machine-pressed wax pattern. By adopting the method, defects caused by blind spots of the design of thick large sections of forgings can be effectively resolved, anti-deformation technology with extensive experiences, repairing technique of brushing thin layer of liquid wax and liquid wax filling technique can be omitted, and the contrast of different dimension of small cast blocks can be reduced, which can not only create conditions for developing computer digital control dies technology, but also save labor, time and waxes. The main technologies utilized by the invention is that: hot spots or thick large sections of wax pattern are made into wax pattern bodies with a cavity, and the cavity openings anastomose and is attached with a cavity-riser neck or an end cover, and then bonded and closely sealed by hot wax liquid, and a hollow wax pattern is formed after eliminating marks.

Provided are an emulsion composition containing a nanosized (10 to lOOOnm) ceramide capsule particle stabilized by doubly encapsulating with wax matrix and polymer, a preparation method of the emulsion composition, and a skin cosmetic composition using the emulsion composition. More particularly, provided is an emulsion composition having superior stability with time in spite of high ceramide content, which is attained by effectively inhibiting gelling between ceramide molecules through trapping ceramide in solid wax matrix and then en not capsulating the wax matrix using polymer. In accordance with the present invention, ceramide, a skin lipid component with excellent moisturizing effect, is prepared into a stable emulsion through being trapped in a nanosized capsule particle, which provides improved dermal delivery and adhesion to skin, and improved and long-lasting moisturizing effect.

It is intended to provide a method of conveniently producing drug-containing wax matrix particles (in particular, drug-containing wax matrix particles having an average particle diameter of 1 mm or less) through melting and spraying steps without suffering from a jamming failure caused by the recrystallization of the once molten drug. Namely, drug-containing wax matrix particles containing a drug and a wax are produced via the following steps (i) and (ii): (i) the step of feeding the drug and wax as described above into an extruder wherein the temperatures of a barrel (1) and a die have been controlled to a level higher than the melting point of the wax; and (ii) the step of melt-kneading the drug with the wax in the extruder as described above and simultaneously spraying out the melt-kneaded mixture comprising the drug and the wax from a spray nozzle (5), which is attached directly to a die (3) provided at the tip of the barrel (1) in the extruder, into an atmosphere at a temperature lower than the melting point of the wax to thereby form particles.

The invention provides a compound skin care product based on a white wax matrix and a preparation method thereof. The skin care product is prepared from the following raw materials: 0.8-101% of Chinese wax, 0.03-1% of higher alkanol, 2-10% of camellia oleosa seed oil, 1.3-4% of scale collagen peptide, 3-6% of medical Vaseline, 3-8% of glycerol, 0.5-5% of sodium oleate, 0-2% of triethanolamine, 0.5-3% of sodium carboxymethyl cellulose and the balance of water. The skin care product is prepared by the following steps: adding the Chinese wax and the higher alkanol to the camellia oleosa seed oil and implementing water bath; adding a sodium hydroxide/ethanol solution and carrying out saponification; adding the medical Vaseline, the glycerol, the triethanolamine and the sodium carboxymethyl cellulose after melting the water bath, uniformly mixing in the water bath, adding into boiling water and emulsifying, cooling and adding a scale collagen peptide water solution, and uniformly stirring to obtain the compound skin care product. The skin care product disclosed by the invention is good in efficacy, low in side effect and high in safety, and is capable of avoiding possible irreversible damage on skin due to long-term use of chemical synthetics.

The invention discloses a permanent magnetic ferrite injection moulding granule material and a preparation method thereof. Strontium ferrite powder is mixed with high density polyethylene, a modified wax matrix, a surface modifier and a plasticizer, then, mixed materials are added into a double-screw extruder to be subjected to extrusion granulating and prepared into feeding materials, then, injection moulding is conducted to prepare raw bases, after two steps of solvent degreasing and heat degreasing, degreased bases are obtained, and finally, high-temperature sintering is conducted to obtain sintered magnetic permanent magnetic ferrite devices. Because the novel modified wax matrix is adopted, the obtained granule material has good fluidity and shape preservation performance, at the same time, the defects such as bending and deformation in the solvent degreasing process of injection molding parts are improved, and the degreasing efficiency is high.

A process for the production of a solid cosmetic preparation is described wherein a wax phase comprising at least one wax, at least one oil, and if applicable, oil-soluble ingredients and solvents aremelted, the molten wax phase is mixed with an aqueous phase comprising at least one water-soluble or water-soluble water-dispersible film former and with a w/o emulsifying system until an emulsion isformed, and the resulting emulsion is allowed to cool to form a wax matrix with aqueous phase droplets embedded therein, and the products made therefrom and their use.

The invention discloses a lyophobic matrix sustained-release tablet for pH independence drugs and a preparation method thereof. The sustained-release tablet is prepared from the following raw materials: a main drug, a wax matrix material, a local pH regulating agent, an adhesive, a filler, a lubricating agent and a glidant, wherein the local pH regulating agent is selected from calcium hydrogen phosphate dihydrate, disodium hydrogen phosphate or calcium silicate. The preparation method of the lyophobic matrix sustained-release tablet comprises the following steps: heating and melting the wax matrix material; uniformly mixing the main drug, the local pH regulating agent, the adhesive and the filler; melting and pelletizing the matrix material and the uniformly mixed materials; screening when the mixture is hot, granulating the mixture, performing standing to cool the mixture, adding the lubricating agent and the glidant into the mixture, and performing tableting to obtain the lyophobicmatrix sustained-release tablets. According to the lyophobic matrix sustained-release tablet, the local pH regulating agent is added into the existing prescription of diclofenac sodium sustained-release tablets, the pH value of a micro-environment can be maintained to promote solubility of drugs, and release in vitro of pH independence drugs can be improved.

The present invention discloses a luminescence composition, a preparation method and applications thereof. The luminescence composition comprises a waxy material, bis(2,4,5-trichloro-6-carbopentoxyphenyl) oxalate and a fluorescent agent, wherein a waxy material content is 15-98.69% of the total weight of the luminescence composition, preferably 25-85%, a fluorescent agent content is 0.01-5% of the total weight of the luminescence composition, preferably 0.1-1%, a bis(2,4,5-trichloro-6-carbopentoxyphenyl) oxalate content is 1-60% of the total weight of the luminescence composition, preferably 5-35%. According to the luminescence composition, the wax-base bis(2,4,5-trichloro-6-carbopentoxyphenyl) oxalate system is selected so as to overcome disadvantages of the existing luminescence pens, the system is a good alternative of the existing chemiluminescence pen, and important application values are provided.

The present invention relates to a high dose extended-release potassium citrate tablet containing carnauba wax, which contains a first portion of melt- or heat-granulated carnauba wax and potassium citrate; and a second portion of non-granulated potassium citrate. The high dose extended-release potassium citrate tablet of this invention has robust batch-to-batch dissolution and friability; and leads to improved production capacity and reduced production cost.

A biodegradable container for use with solid products such as deodorant or antiperspirant is disclosed. The container includes a body having a sidewall, a bottom end, a top end, and an opening at the top end. The deodorant is placed within a chamber formed by the sidewall. The sidewall includes a set of rings of circumferential perforations, the rings being located at intervals between the top end and the bottom end. A wax base seals the bottom end of the body, and a cap closes the top end of the body. The deodorant is exposed by shortening the height of the body by tearing off the top of the body at a ring of circumferential perforations. The container body, the wax base, and the cap are made of biodegradable or recycled materials.

The invention discloses a lacquerware processing technology based on a wax matrix. The lacquerware processing technology based on the wax matrix comprises the following steps that a wax material is softened or melted through heating power for molding to prepare the wax matrix as a bottom matrix; varnished cloth is mounted on the surface of the wax matrix; the varnished cloth is cooled, naturally solidified and formed to prepare a blank body; the wax matrix is heated to melt the wax matrix into wax liquid to flow out, and the matrix is removed to form a hollow blank body; and lacquer art decoration is made on the blank body, and the lacquerware is manufactured. According to the lacquerware processing technology based on the wax matrix, the wax material is adopted to manufacture the bottom matrix, the wax material is softened or melted through heating power, molding can be conveniently carried out, simplicity and rapidity are achieved, the matrix can be removed by heating the bottom matrix, the method for removing the matrix is simple, the blank body cannot be damaged, and the wax matrix body is non-toxic, harmless, green and environment-friendly, can be recycled after the wax matrix is removed, and is economical and cheap.

The invention relates to a preparation method of a fruit wax for fruit and vegetable fresh-keeping, and belongs to the technical field of fruit wax preparation. The method adopts expanded vermiculite as a base material, and constructs a gas exchange channel; after the expanded vermiculite completely expands, the internal moisture is used to dissolve odorous substances such as ethanol produced by fruits and vegetables; as the storage time increases, the liquid in the expanded vermiculite evaporates and the odorous substance is removed; meanwhile, the bacteriocidal substance within the expanded vermiculite sterilizes the surfaces of fruits and vegetables to prevent microbial infection; and also with a natural gum as a fruit wax matrix, the harm to the human body is avoided, thus effectively solving the problems of rapid accumulation of ethanol, acetaldehyde, methanol and other odor substances, odor, or poor edible taste during postharvest storage and shelf life of fruits and vegetables. The fruit and vegetable fresh-keeping fruit wax prepared by the invention prolongs the preservation time of fruits and vegetables, and odor is not easily produced during storage and shelf life, so as to provide better taste, and improve the commodity value of fruits and vegetables.