816results about How to "Improve dryness" patented technology

A method of manufacturing absorbent sheet is directed to a wet-press/fabric-crepe process wherein add-on of adhesive to the Yankee surface is at relatively low levels, yet sheet transfer is maintained and production increased. Materials are selected and process parameters are controlled such that a paper machine can be operated for at least 4 hours before the Yankee coating needs to be stripped. Preferably, average increase in Yankee hood temperature is less than 1° F./minute during a production interval.

The invention discloses an epoxy acrylate modified waterborne alkyd resin and a preparation method and an application thereof. The method comprises the steps: firstly, synthesizing a waterborne alkyd resin from a polyol, a polybasic acid and an oil monomer by adopting a dehydration condensation reaction; then carrying out an epoxy resin ring opening reaction to graft onto the waterborne alkyd resin so as to modify the waterborne alkyd resin; followed by carrying out free radical solution polymerization of acrylic soft and hard monomers with the modified alkyd resin, and modifying the alkyd resin by using acrylic ester; and finally pumping out a part of a polymerization solvent to neutralize the obtained waterborne alkyd resin, adding a cosolvent, and dispersing the alkyd resin to prepare an aqueous dispersion by adopting a high-speed disk dispersion machine and with water as a dispersion medium. In the addition to retaining own excellent characteristics, the modified alkyd resin also has good dryness, adhesive power and corrosion resistance of epoxy resin and the acrylic resin advantages of excellent drying, water resistance, chemical medicine resistance, high hardness, good weathering resistance and the like, and effectively improves the alkyd resin performance of water resistance, weather resistance and the like.

The present invention relates to a detergent composition containing an amino acid component for washing fruits, vegetables and dishes, which comprises the following components of an anionic surfactant, a non-ionic surfactant, an amphoteric surfactant, amino acid, a viscosity modifier, a chelating agent, an antiseptic, a light stabilizer, an antioxidant, a flavor and deionized water. The amino acid composition is one or a mixture with more than two of alanine, arginine, asparagine, aspartic acid, cystine, glutamine, glutamic acid, leucine, lysine, methionine, phenylalanine, prolinol acid, serine, threonine, glycine, histidine, isoleucine, tryptophan, tyrosine and valine. The detergent of the invention can maintain good decontamination capability, improve the feeling when the detergent composition is used, reduce the hands skin irritation and enhance the hand skin moisturizing ability to improve dry feeling.

The invention discloses a supercritical multisource multielement thermal fluid injection-production system and injection-production method. The system comprises a supercritical multisource multielement thermal fluid generating system and an oil tube. The oil tube is arranged in an exploiting shaft; the supercritical multisource multielement thermal fluid generating system comprises a supercritical gasification reactor and a supercritical mixed combustion reactor; in the presence of supercritical water, a gasification reaction is performed on fuel slurry in the supercritical gasification reactor, and the gasification product of the reaction and oxygen-containing gas dissolved in the supercritical water combust in the supercritical mixed combustion reactor to form a supercritical multisource multielement thermal fluid containing supercritical water and carbon dioxide; the supercritical mixed combustion reactor is connected to the oil tube. The supercritical multisource multielement thermal fluid injection-production system provided by the invention has the effects that thermal efficiency is high, the viscosity of thickened oil is reduced, the flowability of the thickened oil is improved and the recovery efficiency is increased.

Belonging to the paint field, the invention relates to a preparation method for a low acid value and low VOC waterborne acrylic acid and fatty acid modified epoxy resin. The method includes: firstly modifying epoxy resin with fatty acid, then conducting modification with acrylic acid and acrylate monomer under the action of an initiator, then adding a neutralizer and a drier, adding water to perform emulsification, and reducing pressure to remove the solvent, thus obtaining a low acid value and low VOC waterborne acrylic acid and fatty acid modified epoxy resin emulsion, which has an acid value of 10-15mgKOH/g, a solid content of 30-50%, and a VOC content of less than 7%. Due to a low acid value, the obtained resin has excellent water resistance, and because of the extremely low VOC content, the emission of pollutants is greatly reduced, and the harm to the human is lowered. In addition, due to high unsaturated fatty acid content and epoxy resin content and adding of the drier, the resin itself can have the characteristics of natural drying at room temperature, excellent anti-rust performance and the like.

The modified drying alkyd resin for curtain coated paint protecting metal coating in the back of mirror includes medium oil content drying alkyd resin in 55-70 wt%, acrylate monomer in 20-30 wt% and epoxy resin as modifier in 10-15 wt%. The medium oil content drying alkyd resin and the acrylate monomer form copolymer resin, and the copolymer resin is reacted with epoxy resin to form the modified drying alkyd resin with final viscosity of 150-300 s, acid value lower than 5 mg KOH/g and solid powder content over 50 wt%. The modified drying alkyd resin, selected cross-linking resin, pigment and solvent constitute curtain coated paint capable of well attaching to the surface of smooth metal coating.

The invention relates to water soluble acrylic acid epoxy resin and a preparation method thereof. The epoxy resin is emulsion formed by neutralizing and self-emulsifying a product of a catalytic esterification reaction of acrylic acid resin and epoxy resin, and the variation of tu-4 cup viscosity of the emulsion stored for 6 months is less than 5 percent; epoxy equivalent of the epoxy resin is between 180 and 5,000g/mol, and the epoxy resin accounts for 10 to 80 percent of gross weight of the epoxy resin and the acrylic acid resin; the acrylic acid resin is polymerized from hydroxyl-containing acrylic acid, carboxyl-containing acrylic acid, other acrylic acids and styrene monomers which are initiated by peroxide, and has the acid value of between 50 and 500mgKOH/g and the number average molecular weight of between 5,000 and 60,000g/mol; and the epoxy resin with the epoxy equivalent less than 1,300g/mol does not need bisphenol A chain extension, has simple operation, and is convenient for regulating the proportion of the epoxy resin. The method can be used for preparing the water soluble acrylic acid epoxy resin with wider proportion of the epoxy resin and stable storage.

The invention relates to a stereoscopic development three-dimensional experimental device of a heavy oil reservoir. The stereoscopic development three-dimensional experimental device of the heavy oil reservoir comprises a three-dimensional rock core model, a constant temperature box, a steam generator, a temperature and pressure monitoring system, constant flux pumps and an intermediate container. Vertical well connectors are arranged on an upper cover plate of the three-dimensional rock core model, and horizontal well connectors are arranged on the side face of the three-dimensional rock core model. A mixture of high-alumina cement and quartz sand is filled into an inner cavity of the three-dimensional rock core model, and the three-dimensional rock core model is further respectively provided with temperature monitoring interfaces, pressure monitoring interfaces and saturated oil holes. The first constant flux pump is connected with the steam generator, the steam generator is connected to an inlet in the lower end of a first piston container, and an outlet in the upper end of the steam generator is connected with one horizontal well connector of the three-dimensional rock core model. An outlet in the upper portion of a second piston container is connected with the intermediate container, and the intermediate container is connected to the saturated oil holes in the upper cover plate of the three-dimensional rock core model. The stereoscopic development three-dimensional experimental device of the heavy oil reservoir integrates indoor experiments of three well pattern structures of SAGD, driving and draining combination and gravity drainage assisted steam driving, the experimental well pattern structures can be switched, and convenience is provided for indoor physical simulation of stereoscopic development of heavy oil.

The invention relates to an acrylic modified polysiloxane resin and paint thereof. The acrylic modified polysiloxane resin is a compound resin of an acrylic resin with glycidyl and siloxane prepolymer with the number average molecular weight between 400 and 3,000. On the basis of counting solids, in the compound resin, the weight ratio of the acrylic resin with glycidyl and the siloxane prepolymer is between 10 and 40 to between 60 and 90. The paint containing the acrylic modified polysiloxane resin has a component A and a component B, wherein the weight ratio of the dosages of acrylic modified polysiloxane resin, pigment, filler, solvent and additives of the component A is 100:10-60:5-40:5-20:1-2; the component B is amino alkoxy silane as a curing agent; and when the coating is in use, the component A and the component B are well mixed in the weight ratio of 10 to between 0.8 and 1.5. Compared with the prior acrylic modified polysiloxane coating, the coating is fast in drying rate and excellent in weatherability.

An opening/closing valve (70) is provided in an oil feed pipe (43). When a liquid refrigerant enters from an oil separator (22) into the oil feed pipe (43), the temperature of the liquid refrigerant depressurized by the opening/closing valve (70) is suddenly lowered. When the lowering amount of the temperature detected by a temperature sensor (73) exceeds a prescribed value, it is judged that theliquid refrigerant enters into the oil feed pipe (43), and the valve (70) is closed.

The invention belongs to the field of paints, and relates to a low-acid-value and low-VOC aqueous acrylic acid and fatty acid modified epoxy resin, which comprises the following synthetic raw materials: 15-40 parts of epoxy resin, 11-40 parts of unsaturated fatty acid, 2-8 parts of an acrylic monomer, 5.5-35 parts of an acrylate monomer (containing styrene), 0-0.1 part of a catalyst, 0.6-2 parts of an initiator, 20-40 parts of a solvent, 5-15 parts of a neutralizer, 1-5 parts of a drier, and 100-200 parts of water. The synthetic raw materials are synthesized according to a process to obtain the low-acid-value and low-VOC aqueous acrylic acid and fatty acid modified epoxy resin emulsion, wherein the emulsion has an acid value of 10-15mgKOH/g, a solid content of 30-50%, and a VOC content of less than 7%. The resulting resin has excellent water resistance because of the low acid value, and the emission of pollutants is greatly reduced, and the harm to people is reduced because of the very low VOC content. In addition, the contents of unsaturated fatty acids and epoxy resin are high, and the drier is added, so that the resin has the characteristics of room-temperature air drying, excellent anti-corrosion performance and the like.

The invention provides an undifferentiated anti-aging amplification culture medium for human umbilical cord/adipose tissue-derived stem cells. The problem in the prior art that a serum-free medium used for culturing mesenchymal stem cells is easy to differentiate and easily causes aging and apoptosis of adult stem cells is solved. The undifferentiated anti-aging amplification culture medium for human umbilical cord/adipose tissue-derived stem cells comprises cell factors, vitamins and chemical small molecules, and the culture system comprises multiple chemical small molecules and biomacromolecules and has the effects of improving physiological metabolism and proliferation and growth potential of cells, resisting oxidative stress response, scavenging free radicals, preventing DNA mutation, protecting mitochondria, reducing molecular wastes in the cells and activating longevity genes and telomerase.

The invention provides a build-in dehumifying reheating multiple stage turbine. The steam reheater is set between the adjacent grades in the cylinder of the turbine, leads the new steam from the main steam tube behind the main valve of the turbine to the reheater to heat expansion desiccation and steam and falls its humidity to protect the turbine from the water erosion; the outlet of the reheater connects the sparse liquid expansion box through the sparse box valve and the exhausting aperture of the expansion box connects the condensator. The invention can directly desiccate and reheat the steam between the grades.

The invention discloses a plate-type sludge dewatering machine and a dewatering method therefore. The plate-type sludge dewatering machine adopts elastomers positioned among pressing filter plates, adjacent anti-thrust filter plates, air-inlet filter plates, feeding filter plates and thrust filter plates to form at least three hermetic pressing filter chambers variable in volume, utilizes the compression deformation and resilience of the elastomers to deep squeeze and dewater a filter cake, and adopts sealing plugs which are arranged in front of air-inlet holes of the air-inlet filter plates and the thrust filter plates and are on positions opposite to feeding holes on the feeding filter plates and the anti-thrust filter plates, wherein the feeding filter plates are adjacent and involutory to the air-inlet filter plates. After low-pressure filter dewatering is over and feeding is stopped, the sealing plugs block and seal the feeding holes so as to prevent sludge from flowing back and entering pipelines during pressing filtration. The dewatering method adopts the variable hermetic pressing filter chambers formed by the elastomers to perform pressing filtration and dewatering, and adds the operation of adopting the sealing plugs to block the feeding holes before high-pressure squeezing-dewatering operation. The invention has the advantages of high dewatering efficiency, strong adaptability, low energy consumption, low use cost and the like.

The invention relates to the technical field of cigarette materials, in particular to a sustained-released-type liquor aroma cigarette core line and a preparation method and application thereof. The preparation method of the sustained-released-type liquor aroma cigarette core line comprises the following steps that (1) alcohol-soluble high polymer materials are dissolved in an alcoholic solution to obtain a skeleton solution; edible wine is dissolved in a wetting agent to obtain blending liquid, and the blending liquid and the skeleton solution are mixed to obtain a liquor aroma solution; (2) short plant fibers are twisted to form the core line; (3) ultrasonic mixing is carried out continuously on the liquor aroma solution obtained in the step (1), and the core line obtained in the step (2) is arranged in the liquor aroma solution obtained after the ultrasonic mixing for ultrasonic dip-coating; (4) air drying is carried out on the core line obtained after the ultrasonic dip-coating in the step (3) at normal temperature to obtain the sustained-released-type liquor aroma cigarette core line. The sustained-released-type liquor aroma cigarette core line is good in sustained-released effect, a consumer can taste the obvious liquor aroma when smoking a cigarette through a filter tip containing the core line, and the unique cigarette aroma style is achieved.

The invention provides a high-activity biological super strong water absorbing resin, the process for preparation comprises adding acrylic acid in a catalyst case according to quality portion, adjusting the pH value to 5-7, and adding a certain amount of maize starch, inorganic mineral substance, cross linker solution and initiating agent in turn, evenly stirring, warming up to 35 to 45 DEG C, polymerizing for 1.5-2 hours, stopping stirring when the system takes semitransparent gel shape, continuously warming up to 55-70 DEG C to polymerize 1-2 hours again till the system is turned to be gelatin, taking granulations out, drying, grinding to be half-finished product, and adding cross linker solution whose half-finished product quality is 0.01-1% and 0.01-1% high-activity biological agent, evenly stirring, placing in a drier, warming up to 60-100 DEG C to have a secondary treatment of surface cross bonding, and getting high-activity biological super strong water absorbing resin. The strong water absorbing resin product has the advantages of fast water absorbing speed, strong water absorbing capability, excellent anti adhesive properties after absorbing water, and which has the functions of resisting bacterium, absorbing osmyl, health care and the like, and can be applied in the production of women sanitary napkins, paper diaper, the aged health shorts and the like.

The invention provides a plant oil-based offset lithographic printing ink formula and a preparation method thereof. The plant oil-based offset lithographic printing ink formula comprises, by weight, 30-35 parts of soybean oil, 19-29 parts of tung oil, 2-5 parts of soya alkyd resin, 30-35 parts of rosin-modified phenolic resin, 2-6 parts of a dry conditioning agent, 2-5 parts of a gelling agent, 18-28 parts of a pigment, 5-10 parts of a filler, 7-7.5 parts of other auxiliary agents and 2-5 parts of a drier. The preparation method comprises 1, binder preparation, 2, accessory material addition, 3, printing ink rolling and 4, re-rolling. The plant oil-based offset lithographic printing ink formula has the advantages of good rheological performances, fast curing performances, passing performances, good glossiness and good stability and is especially suitable for newspaper and periodical printing.

The invention relates to a glass backing paper production process. The papermaking speed is 250m/min to 350m/min, the production efficiency is high, an air-cushion pulp box and a ceramic dehydrating chopping board are adopted in a papermaking forming area, pulp is uniform to distribute, and the quality is stable; a primary vacuum pre-pressing, four-roller three-pressure-interval composite pressing, vacuum adsorption and moving and glazing pressing are adopted in a pressing and dehydrating area, the dryness of paper entering a drying cylinder is increased, and the loose thickness of the paper is not damaged; a drying part adopts five groups of drying cylinders, namely totally 36 drying cylinders with the diameter of 1500mm, a closing gearbox, a closed steam cover, a paper guiding rope, a surface glue application machine, a glaze pressing machine, a paper coiling machine, a re-coiling machine, a super glazing pressing machine and the like, so that the smoothness of a product is improved, picking and powder can be prevented from dropping, and the high stiffness requirement can be met.

The invention discloses a power generation system using the heating furnace waste heat integrally and aims to generate power by integrally using the cooling water beam waste heat in a heating furnace and the waste heat of smoke in a tail smoke channel. The system at least comprises a high-pressure superheated steam producing mechanism, a low-pressure superheated steam producing mechanism, a steam supplementing and condensing turbine and a generator. The steam outlet of the high-pressure superheated steam producing mechanism is connected to the main steam port of the steam supplementing and condensing turbine, and the steam outlet of the low-pressure superheated steam producing mechanism is connected to the steam supplementing port of the steam supplementing and condensing turbine. The produced high-pressure superheated steam and the low-pressure superheated steam enter the main steam port and the steam supplementing port to generate power respectively, energy is utilized in a stepped manner, and the power generating efficiency is improved; by the aid of the system, the smoke waste heat is recovered as much as possible, the temperature of the smoke during exhausting is decreased, and the waste heat source loss is reduced; since the hot steam is adopted for power generation, the quality of power generated by the steam is improved, the power generating efficiency is improved, and the service life of the steam supplementing and condensing turbine is prolonged.

This invention provides a Chinese traditional medicinal preparation for eye health and relieving visual fatigue. The ingredients of this preparation includes of : Common yam, indian bread, prepared adhesive rehmannia root, Japanese cornel dogwood, chrysanthemum flower (clearing liver-heat and improving acuity of sight), Chinese angelica root(nourishing blood and improving acuity of sight),indian bread; poria (nourishing heart and improving acuity of sight),oriental waterplantain rhizome(clearing heat and improving acuity of sight),barbary wolfberry fruit(nourishing yin and improving acuity of sight. Combination of these medical ingredients has the effect of nourishing liver and kidney, nourishing meridian and improving acuity of sight,so the visual acuity can be improved, and the eye fatigue can be remitted. Clinical experimental test inspections show that this medicinal preparation has the effectiveness of relieving eye fatigue.