37results about How to "Viscosity does not decrease" patented technology

Disclosed are a paper-plastic glue and its preparing method,comprising of high polymer latex 70-90%,resin 5-15%,inorganic powder filler 3-15%,dispersant 0.5-0.8%,thickener 0.2-0.5% and deformer 0.1-0.3%. Its preparing method is:1.pre the deformer with high polymer latex; 2. disperse; 3. add into inorganic filler and disperse;4.add into resin and disperse;5. add into thickener for adjusting the viscosity to be the construction one,the output and package the material.

The invention discloses a xanthomonas Xanthomonassp. S-96#, preparation method thereof and a method thereof for producing temperature resistant xanthan gum polysaccharide, including seed selection of temperature resistant high viscosity strain, expanding culture of seed, fermentation and extraction processing steps. The strain of the invention has good temperature resistance, the produced xanthan gum polysaccharide product has stable quality, the viscosity of the product after being heated is obviously higher than similar product, application indexes are excellent, and the original production process of similar products is improved, production process is safe, thus being capable of substituting the existing xanthan gum product and being widely applied to the petroleum development industries requiring high viscosity under high temperature condition.

The invention provides an antistatic flexible polyurea composition and a preparation method, a construction method and an application thereof, which can solve the problem existing in the prior art that the antistatic property, the miscibility and the mechanical property of the polyurea elastomer are difficult to balance thereby resulting in the limited applied range. The invention has the technical schemes that an antistatic flexible polyurea composition is characterized in that the polyurea composition is composed of a component A and a component R; the component A is quasi-prepolymer which is synthesized by 30 to 50 portions of polyisocyanate, 20 to 40 portions of polyol and 10 to 30 portions of solid antistatic agents; the component R is composed of 5 to 30 portions of amine chain extenders, 40 to 60 portions of amine terminated polyether and 10 to 30 portions of antistatic agents; the components A, R are collated to use according to 1:1 of the isocyanate index. By the invention, not only the antistatic property of the polyurea elastomer is improved, but also the miscibility as well as the mechanical performance is integrally improved.

The invention discloses a transfer substrate, a transfer method of a light-emitting diode and transfer equipment. The transfer substrate comprises a substrate, a reflecting layer, an optical conversion layer and a light-sensitive visbreaking film, wherein the reflecting layer is arranged at one side of the substrate, the optical conversion layer is arranged at one side, deviating from the substrate, of the reflecting layer, the light-sensitive visbreaking film is arranged at one side, deviating from the reflecting layer, of the optical conversion layer, the optical conversion layer is used for converting a light ray within a certain wavelength range to non-visible light, the light-sensitive visbreaking film is used for pasting the light-emitting diode, and the viscosity is reduced to relieve the light-emitting diode after irradiation of the non-visible light. By the transfer substrate, the transferring and the detection of the light-emitting diode can be simultaneously completed, the light-emitting diode with abnormal in light emitting is found out and transferred before a binding process, the problems that the light-emitting diode with abnormal light emitting is difficult to take out and the array substrate is damaged by a laser cutting process are prevented, the transfer process flow is simplified, and the transfer yield and efficiency is improved; and moreover, a light source of the non-visible light is not needed to be additionally arranged, and the transfer substrate is simple in structure and relatively low in detection cost.

The invention discloses an alkali-resisting polymer for displacement of reservoir oil of an oil field and a preparation method thereof. The alkali-resisting polymer is prepared from the following components in parts by weight: 70-130 parts of acrylamide, 10-25 parts of a negative ion monomer, 2-5 parts of a hydrophobic monomer, 2-6 parts of an alkali-resisting monomer, 0.1-0.6% of a surfactant, 13-26 parts of sodium carbonate and 200-400 parts of deionized water. The preparation method disclosed by the invention comprises the following steps: preparing an aqueous solution by acrylamide; adding sodium carbonate, negative ion monomer, hydrophobic monomer, alkali-resisting monomer and surfactant; transferring into a reactor; introducing nitrogen for 30 minutes; adding a 1# initiator; continuously introducing nitrogen for 10 minutes; adding a 2# initiator; introducing nitrogen for 10 minutes and adding a 3# initiator; continuously introducing nitrogen till the temperature is raised to 1-2 DEG C; stopping introduction of nitrogen; raising the temperature to peak temperature and insulating for 6 hours; and cutting, granulating, drying and crushing. By adding the alkali-resisting monomer into the alkali-resisting polymer disclosed by the invention, the viscosity of the product is not reduced in a ternary system. The viscosity retention rate for 90 days is over 80%.

The invention relates to a lubricant, aiming at providing the lubricant which is used for protecting mucosa such as rectum, oral cavity and the like, in particular to cavitary internal mucosa, and simultaneously causes the lubrication to become good. The lubricant is a solution comprising polyacrylate sodium and is prepared by the step that the polyacrylate sodium with more than 10000 average degree of polymerization of viscosity is dissolved by water or water solubility. The water or water-solubility solvent and the polyacrylate sodium have the following mass ratio relationship: the water or water-solubility solvent is 91-99 mass percent, the polyacrylate sodium is 9-1 mass percent, the viscosity of the solution is 3000-30000cps in 36 DEG C, and the pH value of the solution is adjusted to range from 3.5-10.5 by adding polymer acid. When in use, the product does not bring displeasure caused by membrane feel and incitation, and can be easily cleaned with water after being used, thereby the lubricant has good use feeling.

The invention belongs to the technical field of medicine, and relates to an eye drop with stable viscosity comprising polyol-inorganic salt-xanthan gum ternary system and a preparation method thereof, comprising: moxifloxacin hydrochloride 0.5-0.6% w/v; xanthan glue 0.5-0.8% w/v; polyol compound 0.1-1% w/v; For the degradation problem of raw gum after sterilization, increase the ionic strength and add soluble alcohols as antioxidants to form a polyol-inorganic salt-xanthan gum ternary system, so that the viscosity does not decrease after sterilization and ensure that the eye drops are in the eyes The static viscosity of the part is 40-80pa s; it provides improved bioavailability for eye drops, which can more effectively treat ocular inflammation, and the contact angle of this product is small, which can increase the wetting effect of ocular tissue , There is no feeling of stickiness, which greatly improves the patient's compliance.

The invention provides a high-temperature-resistant and easy-to-unroll composite expansion adhesive tape. The composite expansion adhesive tape comprises a base layer and an adhesive layer which are compounded with each other, and the adhesive layer comprises a temperature-resistant layer; and the base layer is an oriented polystyrene film, and the oriented polystyrene film is prepared from, by weight, 85-90% of general polystyrene, 5-8% of high-impact polystyrene and 0.9-2.3% of nano silicon dioxide. The composite expansion adhesive tape provided by the invention has high expansion rate, can be kept not shrunk at high temperature, and is easy to uncoil in industrial production.

The invention provides a non-allergic rubber plaster and a preparation method thereof, and belongs to the technical field of plaster preparations. The rubber plaster comprises the following medicinalmaterials in parts by weight: 1-7 parts of herba speranskiae tuberculatae, 5-14 parts of radix aconiti lateralis preparata, 5-13 parts of rhizoma typhonii, 5-13 parts of radix aconiti agrestis praeparata, 5-13 parts of radix aconiti sinensis praeparata, 5-15 parts of rhizoma arisaematis, 5-13 parts of caulis spatholobi, 2-10 parts of mentha canadaensis l., 1-8 parts of camphora and 2-10 parts of borneolum syntheticum. The non-allergic rubber plaster uses high molecular artificial rubber instead of natural rubber, and thus the allergy problem is effectively solved; by controlling the types andcontents of main drug components in the plaster and improving auxiliary material components, the prepared rubber plaster has higher transdermal absorption rate, can rapidly absorb the effective drug components, improves the treatment effect, and meanwhile, the plaster has higher adhesive performance and higher stability.

The invention discloses a corrosion inhibitor for a clean diverting acid, and a preparation method thereof. The preparation method comprises the following steps: adding heterocyclic amine and benzyl chloride into a container under a pressure of 0.3-0.5 MPa according to a molar ratio of (1-1.2):1, adding isopropanol, heating the container to 120-130 DEG C, and carrying out a heat-insulation reaction for 4-6 h to obtain a quaternary ammonium salt of the heterocyclic amine; and uniformly mixing, by mass, 10-15% of saturated fatty acid, 3-5% of butynediol, 3-5% of a surfactant, 45-64% of a solventand 20-30% of the above main agent to obtain the corrosion inhibitor for the clean diverting acid. The corrosion inhibitor for the clean diverting acid has an excellent protection effect on carbon steel oil tubes and devices in a clean diverting acid environment, and does not reduce the viscosity of the acid solution system. The product solves the corrosion problem of the clean diverting acid system during the acidification fracturing operation, achieves the purpose of oil tube protection, and meets industry standards.

The invention discloses a self-adhesive polyurethane gel composite material. The self-adhesive polyurethane gel composite material is prepared from the following raw materials in parts by weight: 60 to 100 parts of a tripolymer, 2 to 20 parts of a curing agent and 2 to 25 parts of a plasticizer; the tripolymer is obtained by taking polyol, hexamethylene diisocyanate HDI and diphenyl-methane-diisocyanate MDI to react. The material is environment-friendly and has a high attaching property. The invention further provides a machining process of the self-adhesive polyurethane gel composite material; the machining process comprises the following steps: (1) heating the polyol, which is taken in parts by weight, to 50 DEG C to 70 DEG C; adding the diphenyl-methane-diisocyanate MDI, which is taken in parts by weight, to react for 20 minutes to 40 minutes; then adding the hexamethylene diisocyanate HDI which is taken in parts by weight; controlling the temperature to be 70 DEG C to 85 DEG C and reacting for 3 hours to 5 hours; standing for 20 hours to 48 hours and naturally cooling to finish the production of the tripolymer; (2) mixing three types of liquid-state substances including the tripolymer prepared by the step (1), and the curing agent and the plasticizer which are taken in parts by weight and stirring; leading a mixture into a mold, and heating and molding, wherein the temperature is selected in a range from 100 DEG C to 150 DEG C.

The present invention relates to an ornament, which has: a base layer having a first side and a second side opposite the first side, wherein the second side of the base layer is provided with a plurality of electrical ions; and a surface layer having a first side and a second side opposite to the first side, wherein the second side of the surface layer overlaps and covers the first side of the base layer, the surface layer is capable of mitigating electrical ion loss in the base layer in the event that the first side of the surface layer is in contact with the second side of the base layer in a form of at least a portion covering. According to the ornament disclosed by the invention, the ornament can be adhered to any smooth surface without using an adhesive, does not leave an adhesive mark or damage the plane surface when being torn off, is very environment-friendly and convenient to transport, can be repeatedly used multiple times during mounting, does not cause waste, can be cut and overlapped by using common scissors or a paper cutter, and can generate more visual effects and changes.

The invention relates to a thermally stable guar gum aqueous solution which comprises guar gum or derivatives of guar gum, water, a pH adjustor and an antioxidant, wherein the pH of the aqueous solution system ranges from 7 to 11 and the antioxidant is one of the following combinations: (1) sulfite and gallic acid; (2) sulfite and gallate; and (3) sulfite, gallic acid and gallate. At the temperature of 130 DEG C to 200 DEG C and under an air condition, the viscosity of the solution is still greater than 50MPa.S in two hours.