147 results about "Liquid Petrolatum" patented technology

The invention relates to a medical used hot melt pressure-sensitive adhesive type base material and its preparing method which provides a hot melt pressure-sensitive adhesive and an adhesive used paste preparation. The main element of the hot melt pressure-sensitive adhesive is styrenic thermoplastic elastomer SIS (phenylethene -isoprene -phenylethene three block copolymers) with adhesive resin (such as petroleum resin, terpenes polymer, polyisobutylene), flexing oil (such as liquid petrolatum) and aging retarder (such as propyl gallate, BZ) and so on.

The invention discloses a nano-TiO2 loaded chitosan compound and a preparation method thereof. The preparation method comprises the following steps: mixing chitosan and a nano-TiO2 solution into water to obtain an aqueous phase mixture; taking petroleum ether/liquid petrolatum as an oil phase mixture; preparing nano-TiO2 loaded chitosan anti-bacterial micro-spheres according to the suspension-cross-linking technology. As the natural antibacterial agent chitosan is taken as a wall material, a metal ion-type antibacterial agent TiO2 is taken as a core material, and the compound antibacterial agent is prepared according to the suspension-cross-linking technology, the performance and the application range of the antibacterial agent can be greatly improved through the synergistic effect and advantage complementation of chitosan and TiO2. Furthermore, after being compounded, the novel antibacterial agent is high in performance, relatively wide in anti-bacterial range, and high in stability.

The invention relates to an environmental-protection self-snow-melting asphalt pavement admixture and a preparation method thereof. The environmental-protection self-snow-melting asphalt pavement admixture is prepared from a component A, a component B and a component C, wherein the component A is solid particles formed by K<+> or Na<+> or Ca<2+> or Mg<2+>, and NO<3-> or SO4<2+> or CH3COO<-> or PO4<3-> or Cl<->; the component B is glycerin or silicone oil or tung oil or vaseline or lanolin; and the component C is NaOH powder or Na2CO3 powder or ore powder. The preparation method comprises the following steps: mixing the component A and the component B, so that the surface of the component A is evenly coated with a layer of component B, and the component C is attached onto the surface of the component A through the component B to form coating particles; and screening, and cooling to obtain the environmental-protection self-snow-melting asphalt pavement admixture. When in use, the admixture is added into the asphalt mixture to be used on the asphalt pavement, thereby reducing the snow melting by salt sprinkling, solving the problems of environment pollution and waste of resources when the snow melting agent is used, effectively preventing the pavement from icing for a long time, lowering the pavement maintenance cost in winter, keeping the roads clear in snowy days, and reducing the incidence rate of traffic accidents.

The invention discloses a method for manufacturing an automobile connecting rod through powder metallurgy. The method comprises the following step: the automobile connecting rod is manufactured by the following raw materials in percentage by weight: 0.4-0.6 percent of nickel, 0.4-0.6 percent of graphite, 0.6-0.8 percent of zinc oxide powder, 0.4-0.6 percent of cadmium, 0.3-0.4 percent of zinc stearate, 1-2 percent of performance additive, 4-6 percent of copper and the balance of iron. According to the invention, through the added performance additive, superfine powder is provided in the mixed material, and the superfine powder can be filled in the gaps of large particles, so that apparent density of the mixture is improved; the superfine powder is mainly formed by nano-silicon dioxide and calcium stearate, and through additives including a silane coupling agent and the like, a novel performance additive is obtained, various physical properties about wear resistance and the like of the product are further improved, and as polyethylene vinyl acetate and liquid petrolatum are taken as lubricants to be added into the performance additive, the effect of the performance additive during mixing and pressing is enhanced, the blank pressing strength of a powder metallurgy structural piece under equal pressing pressure is greatly improved, combination form and pore shape of raw material particles are changed, and the problem about crack generation is solved from the root cause.

Compositions for the treatment of wounds and/or scars are described herein. The compositions contain between 1 and up to 30% by weight, more preferably between 1 and 20%, most preferably between about 5 and 10% by weight particles, such as titanium dioxide or a similar material in a pharmaceutically acceptable base or carrier, such as petrolatum. The compositions are less greasy than petrolatum alone, and thus are more aesthetically pleasing. The compositions exhibit occlusive properties comparable to petrolatum. The compositions are absorbed into the skin, unlike petrolatum, and exhibit significant wound healing characteristics not observed with petrolatum alone. In one embodiment, the pharmaceutically acceptable base is petrolatum and the particles are titanium dioxide. The compositions can be used to treat complex, hard to heal wounds, such as diabetic ulcers; pressure sores, such as bed sores; lacerations; bite wounds; burns; penetrating wounds; surgical wounds, etc. The composition can also be used to promote normal healing of scar tissue. The compositions can also be used for the topical delivery of one or more active agent. The compositions can be used to reduce fine lines and wrinkles, and to rehydrate skin or to treat dry skin.

A preparation method for a flower and volcanic mud cream is disclosed, comprising the following steps of: taking raw materials composed of 50% of volcanic mud, 30% of flower powder, 10% of beewax and 10% of medicinal Vaseline; uniformly mixing; heating to 40-50 DEG C; and dissolving and then preparing the mud cream. The mud cream contains lots of nutrient ingredients such as mineral substances, trace elements and amino acids needed by human skin, and is especially suitable for being used for the skin of the whole body. The mud cream has a unique curative effect on skin diseases such as skin colour darkness, skin cracking and skin pruritus. The mud cream has no irritation, no injury and no toxic and side effects on skin after being used. The mud cream is a skin-care product with the functions of maintaining, prevention, treating and whitening.

The invention discloses a method for manufacturing an eccentric wheel through powder metallurgy. The method comprises the following step: the eccentric wheel is manufactured by the following raw materials in percentage by weight: 0.2-0.4 percent of nickel, 0.4-0.6 percent of molybdenum, 0.6-0.8 percent of tin, 0.3-0.5 percent of aluminium oxide powder, 0.8-1 percent of graphite powder, 0.4-0.6 percent of petroleum wax, 4-6 percent of copper, 1-2 percent of performance additive and the balance of iron. According to the invention, through the added performance additive, superfine powder is provided in the mixed material, and the superfine powder can be filled in the gaps of large particles, so that apparent density of the mixture is improved; the superfine powder is mainly formed by nano-zinc oxide powder and calcium stearate, and through additives including a silane coupling agent and the like, a novel performance additive is obtained, and various physical properties about wear resistance and the like of the product are further improved, and as polyethylene vinyl acetate and liquid petrolatum are taken as lubricants to be added into the performance additive, the effect of the performance additive during mixing and pressing is enhanced, the blank pressing strength of a powder metallurgy structural piece under equal pressing pressure is greatly improved, combination form and pore shape of raw material particles are changed, and the problem about crack generation is solved from the root cause.

The invention relates to a preparation and quality control method of a Shaolin rheumatism trauma paste. The original production process of the Shaolin rheumatism trauma paste has the problems that (1) power consumption of plastication is great; (2) temperature rises quickly in the plastication, which results in easy aging and loss of cohesive force; (3) the menthol, menthyl salicylate and borneol in the prescription are once tried for soaking rubber to carry out the plastication, which leads to excessive loss of the components in finished products; when petrolatum is used for replacing the components to soak the rubber for carrying out the plastication, serious problem of oil permeation occurs in the finished products; (4) the relative density of the extract of medical material specified by the standards can not be controlled. The invention aims at providing the preparation and quality control method of the Shaolin rheumatism trauma paste, proposing a reasonable prescription of base materials and a production technique to ensure that finished products have clean and smooth appearance and good cohesive force and reducing the loss of active components of the finished products, particularly the volatile components such as menthol, menthyl salicylate and borneol. The quality standards essentially comprises thin layer identification of angelica, forsythia fruit, rhubarb root, root of common peony and resina draconis, limit tests on adhesion ability and aconitine and determination of the content of menthol, menthyl salicylate and borneol of the products by gas chromatography.

This invention relates to a microfluidic chip electrode for electrochemical detection and method for manufacturing microfluidic chip, which comprises the following steps: (1) coating sheet vaseline layer on position of detection electrode joining piece on conductive film of the glass, cutting metal strip with width as the electrode, and putting the strip with vaseline on its bottom on former position of detection electrode joining piece; (2) putting the glass into HCl solution to etch and remove the metal strip; (3) clearing the vaseline coating. This invention is convenient and low cost.

The invention discloses a method for manufacturing a motorcycle crank shaft through powder metallurgy. The method comprises the following step: the motorcycle crank shaft is manufactured by the following raw materials in percentage by weight: 0.4-0.6 percent of nickel, 0.4-0.6 percent of manganese sulfide powder, 0.4-0.6 percent of aluminium, 0.4-0.6 percent of manganese, 0.3-0.4 percent of zinc stearate, 1-2 percent of performance additive, 21-25 percent of copper and the balance of iron. According to the invention, through the added performance additive, superfine powder is provided in the mixed material, and the superfine powder can be filled in the gaps of large particles, so that apparent density of the mixture is improved; the superfine powder is mainly formed by nano-silicon dioxide and calcium stearate, and through additives including a silane coupling agent and the like, a novel performance additive is obtained, and various physical properties about wear resistance and the like of the product are further improved, and as polyethylene vinyl acetate and liquid petrolatum are taken as lubricants to be added into the performance additive, the effect of the performance additive during mixing and pressing is enhanced, the blank pressing strength of a powder metallurgy structural piece under equal pressing pressure is greatly improved, combination form and pore shape of raw material particles are changed, and the problem about crack generation is solved from the root cause.

A dental balm composition prevents damage to teeth which are prone to prolonged exposure to air or other drying conditions and which are therefore susceptible to tooth decay. The dental balm composition is comprised of an active decay preventing agent such as fluoride ion dispersed in a water insoluble adhesive and protective balm base such as petrolatum along with optional thickeners, flavorants and the like. The method of damage prevention requires the application of the balm, such as by swab or finger, to the outer surfaces of the subject's front teeth prior to vigorous physical activity, exercise, prolonged episodes of mouth breathing, or other drying conditions such as after tooth whitening procedures.

The invention relates to an easily-emulsified compound oil phase for emulsion explosives and a preparation method. The compound oil phase comprises the following substances by mass: 4-10 parts of paraffin, 2-8 parts of microcrystalline wax, 3-20 parts of beeswax, 5-15 parts of machine oil, 10-20 parts of Vaseline, 0-10 parts of asphalt, 0-8 parts of rosin, 0-15 parts of octadecylamine, and 20-55 parts of a water-in-oil emulsifier, wherein the water-in-oil emulsifier is bisoleamide bissorbic acrylate ethanediamine. The preparation method of the compound oil phase comprises steps of melting, blending, curing and cartonning. Compared with the prior art, the oil phase material of the invention matches the emulsifier more reasonably, which significantly reduces the interfacial tension between the compound oil phase and an ammonium nitrate aqueous solution. When the emulsification effect is identical, the rotating speed of an emulsifying machine is decreased greatly, and the emulsification time is shortened; When the productivity is the same, the pressure of a static mixer pipeline is decreased significantly. Substrates prepared by the compound oil phase have storage time of up to 24 months; the explosive storage time is up to 18 months; and the explosion performance of explosives meets the national standard GB/T18095-2000.

A dental balm composition and method prevents damage to teeth which are prone to prolonged exposure to air or other drying conditions and which are therefore susceptible to tooth decay. The dental balm composition and uses an active decay preventing agent such as fluoride ion, xylitol or glycerin dispersed in a water insoluble adhesive and protective balm base such as petrolatum along with optional thickeners, flavorants and the like. The method of damage prevention applies the balm, such as by swab or finger, to the exposed surfaces of the subject's front teeth prior to vigorous physical activity, exercise, prolonged episodes of mouth breathing, or other harsh or deleterious conditions including drying conditions during strenuous periods of exercise or tooth whitening procedures.

The invention relates to an ethylene-propylene-diene monomer composition. The ethylene-propylene-diene monomer composition comprises the following components in parts by weight: 100 parts of ethylene-propylene-diene monomer, 100 to 160 parts of fast extrusion N 550, 10 to 40 parts of liquid petrolatum, 3 to 5 parts of magnesium oxide, 1 to 2 parts of antiager RD, 1 to 2 parts of antiager MB, 2 to 4 parts of polyethylene glycol, 1 to 5 parts of assistant crosslinker and 2 to 10 parts of bis (tert-butyl isopropyl peroxide) benzene. In the invention, a peroxide curing agent is utilized, a -C-C-bond can be formed on products in the cross-linking process, the bond energy is high, the heat and chemical stability is high, and the products have excellent heat oxygen heat aging resistant performance. The ethylene-propylene-diene monomer formula ensures that the retention rate of the tensile property (brute force and pull-apart extension) is more than 65% under the conditions of high temperature heat aging, therefore, the advantage of the formula on the heat aging resistant performance of the ethylene-propylene-diene monomer is better reflected.

The present invention discloses one kind of sore ulcer treating ointment and its preparation process. The medicine is prepared with liquid paraffin, calamine, borneol, pearl, borax and other six kinds of Chinese medicinal materials and through crushing, mixing and other steps. The present invention has simple preparation process, low cost and high treating effect on pus pocket, boil, carbuncle, ulcer, insect bite and other skin diseases.

The invention discloses a production method of vaseline. The method comprises the following steps: 1, blending HVI650 cerate, reduced pressure distillate oil base oil and selective reduced pressure residual oil light removal cerate which are treated as raw materials; 2, hydrotreating the obtained blended mixture through first-stage series hydrofinishing with a fixed bed; and 3, allowing the blended mixture to go through a first reactor and a second reactor under hydrofinishing conditions, wherein the first reactor is filled with a hydroisomerizing catalyst and a hydrofinishing catalyst, and the second reactor is filled with a hydrofinishing catalyst. The method of the invention allows high quality vaseline products to be obtained by treating raw materials which cannot be vaseline raw materials in the prior art as the vaseline raw materials, blending the raw materials with a proper process and hydrogenating the raw materials, so the vaseline raw material source is enlarged, the HVI650 cerate utilization approach is widened, and economic benefits are improved.

This (Patent) protection covers the process for preparing cream for wounds and internal and external hemorrhoids which consists of making herbal-oil extract in three different ways.

Vaseline and lanolin are added to this herbal-oil extract and all is mixed and heated to +40° C. for duration of about 20-30 minutes, when honey is added continuously mixing, up to +35° C., when pollen powder is added with mixing until the mass is homogenized, after which dissolved propolis is added, mixing the mass until it cools of to 25° C. and until the mass is fully homogenized.

To repeat, the herbal-oil extract is made in such way when mix of various herbs in several ways is extracted with ethanol, then mix with olive oil, then alcohol evaporates leaving herbal-oil extract, which is used for preparing medicaments for wounds and hemorrhoids and any other topical use.

A cosmetic composition is provided which includes petrolatum, water, and ethoxylated urethane. This composition retains stable viscosity without being sticky or tacky and can easily be rubbed into skin.

This invention opens one manufacturing method of geoline of different consistencies, especially one hydrofining method to produce geoline of different consistencies, with single component short residue cerate or its concoction as the materials. Characteristics of this method is that pricking degrees of hydrogenation materials can be changed by suitable degradation reaction. Any hydrofining catalyst of petroleum wax can be used in this method. This method solves the problem existing in current techology that different features of materials have to be prepared to produce geoline of different consistencies and can be flexibly and conveniently applied to produce products of different consistencies. Geoline produced by this method can be applied in medicine and cosmetics.

The invention provides a graphene accelerated PCR (polymerase chain reaction) technology, in particular an integrated novel modified PCR technology integrating a novel material graphene and PCR and being capable of accelerating nucleic acid amplification, and aims to increase contact between nucleic acid molecules, accelerate PCR process and reduce nonspecific amplification in a PCR system by utilizing the characteristics of adsorption and high-specific surface of graphene. The graphene accelerated PCR technology relates to the field of nucleic acid amplification in molecular biology and molecular tests, is a theoretical innovation integrating the novel material graphene and PCR detection, and can be used for increasing the contact probability of nucleic acid molecules by utilizing the characteristics of adsorption and high-specific surface of graphene, integrating a PCR to slowly release one or various ingredients, combining mineral oil or liquid petrolatum to seal and isolate the external environment, and solving the problem of false positivity caused by over-long reaction time of the PCR and increase of nonspecific amplification due to over-long reaction time of the PCR.

A petrolatum composition comprises from 10 to 60 wt % of a wax having an average number of carbon atoms per molecule of between 25 and 70, and having between 5 and 50 wt % branched paraffins in which the branches are selected from methyl and ethyl branches; from 10 to 60 wt % of a linear paraffin having an average number of carbon atoms per molecule of between 10 and 20; and optionally, a low melt wax. The petrolatum composition has a drop melt point of from 35° C. to 80° C.

The invention discloses a paste plaster for treating psoriasis. The paste plaster comprises the following raw materials in parts by weight: 20-28 parts of white alum, 21-27 parts of mirabilite, 20-28 parts of sulphur, 4-7 parts of borneol, 200-300 parts of vaseline and 80-120 parts of paraffin. The paste plaster for treating psoriasis is prepared according to the following steps: a, weighting theraw materials in parts by weight; b, grinding white alum, mirabilite, sulphur and borneol into fine powder, and screening by a 100-meshed screen for later use; and c, putting the mixture obtained in the step b in a mortar for uniform stirring, adding vaseline to blend uniformly, and then adding liquid paraffin to regulate uniformly. The components are mutually matched to dispel disease mainly, and relieve wind heat, relieve dampness and turbidity, activate collaterals, harmonize qi and blood to realize metabolism, clarify skin, smooth blood vessel and remove stasis to promote tissue regeneration. The paste plaster plays effects mainly by using local skin administration, and has no adverse effect when in use. The paste plaster can take effect after being used once to twice by a patient with mild symptom generally, skin can gradually become soft and thin, the symptom can be relieved within 10-25 days and skin is gradually improved to be normal; and patients with long course of disease and serious symptoms can be recovered in 1-2 months usually.