34results about How to "Effective swelling" patented technology

The invention discloses application of heteropoly acid and lewis acid as a catalyst to degradation of thermosetting resin. Compared with a supercritical and high-temperature pyrolysis method, a chemical catalyst degradation method can be used for selectively breaking a specific chemical bond (an ester or ether bond) of the thermosetting resin under a moderate reaction condition (less than 200 DEG C), so that soluble and machinable degradable resin is obtained. When the degradable resin is used as a reactive curing agent and is added into a novel resin system, an obtained curing material still keeps excellent mechanical properties.

The invention discloses a method for converting fluorine-containing function particle resin molecule. By converting the molecule structure composition of sulfoacid resin, the method converts the sulfoacid resin of a tail end base band-SO2F group into be in a -SO3H type. During the converting process, a small amount of organic solubilizer is added, thereby promoting the effective swelling of particle resin, shortening the converting time of hydrolysis and avoiding the mixing of certain metallic ions and other impurity residues, so that high-purity sulfoacid particle resin with an excellent proton exchange function is obtained.

The invention discloses a method for swelling combed ramie fibers. Specifically, the combed ramie fibers are swelled at the swelling temperature of 20 to 80 DEG C for 5 to 120 minutes by taking aqueous solution of N-methylmorpholine-N-oxide as a solvent under the conditions of mass fraction of the aqueous solution of N-methylmorpholine-N-oxide of 20 to 90 percent and bath ratio of 1:5 to 1:50. In the method, the combed ramie fibers can be effectively swelled; and the method can increase the dye absorption rate and dye-uptake of the combed ramie fibers in dyeing, and has the advantages of fewer treatment steps, short treatment time, low energy consumption, favorability for environmental protection and the like.

The invention discloses a flexible gear machining clamp. The flexible gear machining clamp comprises an expansion sleeve and a clamp seat. The expansion sleeve is in a cylinder shape, and consists ofa plurality of steel blocks. The adjacent steel blocks are bonded together by using adhesive tapes. A center tie rod is disposed in the clamp seat, and the expansion sleeve is provided with a gland. The gland is provided with a connecting rod connected with the tie rod. Under the action of a telescopic device, the central tie rod can drive the gland to press down through the connecting rod to enable the gland to act on the expansion sleeve and move the expansion sleeve downwards. A tapered section is arranged at the upper end of the clamp seat, the outer diameter of the upper end of the tapered section is smaller than the inner diameter of the expansion sleeve, and the outer diameter of the lower end of the tapered section is larger than the inner diameter of the expansion sleeve, so thatthe outer diameter of the expansion sleeve is increased under the action of the tapered section during the downward movement, and a machined gear mounted on the expansion sleeve is expanded. The flexibility of expanding outward of the expansion sleeve is better, the machining requirements of gears of different models are better met, and the service life of the clamp is prolonged.

The invention relates to an externally-applied drug for promoting quick healing of wound, containing the following components: 5-10g of borneol, 100-150g of gypsum, 20-30g of bulbus fritillariae cirrhosae, 4-8g of common monkshood mother root, 10-30g of pinellia ternate, and 10-15g of dragon blood. The components are smashed, stirred and mixed to be uniform, so as to prepare the externally-applied drug. The externally-applied drug can effectively realize sterilization and detumescence, and simultaneously can promote tissue regeneration, integrates two efficacies, and is short in treatment period, quick in effect and also suitable for persons with sensitive skin.

The invention relates to a waterproof self-repairing building material and a preparation method thereof. The building material comprises the following raw materials in parts by weight: 4-6 parts of a self-repairing agent, 0.1-0.15 part of an initiator, 70-80 parts of Portland cement, 200-250 parts of sand and 30-35 parts of water, wherein the self-repairing agent is alkenyl acid salt and / or alkenyl amide containing a cross-linking agent. The building material disclosed by the invention has relatively high impermeability, can quickly and continuously repair small defects in a cement structure, prevents the expansion of the small defects, and prolongs the overall service life of the waterproof structure building material; the preparation method comprises the steps of uniformly mixing a self-repairing agent, an initiator and water to obtain a mixed solution; and uniformly mixing the obtained mixed solution with Portland cement and sand to obtain the building material. The preparation method is simple and does not need heating treatment, and the polymerization reaction of the high polymer material and the cement hydration hardening process are carried out together, so that the structures of the two can be closely linked.

The invention discloses zeolite-containing halitosis-removing health-care toothpaste and a preparation method thereof, and relates to the technical field of toothpaste. The zeolite-containing halitosis-removing health-care toothpaste is prepared from the following raw material components in parts by weight: hydrated silicon dioxide, calcium carbonate, a humectant, a surfactant, xanthan gum, sodium carboxymethyl cellulose, hydroxypropyl guar gum, stevioside, essence, butyl p-hydroxybenzoate, sodium monofluorophosphate, hemostatic acid, tannic acid, a paeonia lactiflora root-bark extract, a folium cortex eucommiae extract, dipotassium glycyrrhizinate, perlite, zeolite and water; according to the zeolite-containing halitosis-removing health-care toothpaste provided by the invention, several raw material components including the hemostatic acid, the tannic acid, the Chinese herbaceous peony root-bark extract, the folium cortex eucommiae extract, the dipotassium glycyrrhizinate, the perlite and the zeolite are compounded to be used as functional components, so that the effects of effectively inhibiting bacteria, easing pain, resisting inflammation, stopping bleeding, diminishing swelling, strengthening teeth, converging, removing halitosis and whitening teeth can be achieved.

The invention discloses a poplar rod core sulfate pulping process, and relates to the technical field of pulping. The preparation method comprises the following steps of: chipping and screening the remaining rod cores of poplar rotary-cut slabs; then performing feeding into a cooking pot for cooking operation, conducting washing operation in washing equipment, then feeding the product into a pressurized screen for screening operation, adopting hydrogen peroxide for bleaching and other operations, sending the treated product into a pulp storage tower for storage, reutilizing the poplar rod cores left after slab processing, and formulating a technological process according to material characteristics of poplar. The pulping cost is low, the pulp quality is good, and the requirements of high-grade paper production can be completely met.

The invention discloses anti-inflammation mite-eliminating toner and a preparation method thereof. The toner is prepared from, by weight, 5-13 parts of glycerin, 3-5 parts of butanediol, 2-4 parts oflactic acid, 3-5 parts of methylparaben, 2-6 parts of sodium hyaluronate, 0.5-2 parts of allantoin, 1-4 parts of salicylic acid, 3-7 parts of propylene glycol, 1-3 parts of sodium citrate, 1-2 parts of magnesium aluminum silicate, 25-45 parts of plant extract and 45-70 parts of deionized water. The toner is effective in mite killing, itching relieving, inflammation diminishing, swelling relievingand pain alleviating and capable of quickly supplying moisture to skin, quickly adjusting a PH value to a natural acidic state and promoting subsequent product absorption to make the skin moisturized,smooth and tender.

The invention discloses a high-strength transparent hydrophobic cellulose nano film and a preparation method thereof, belonging to the field of green cellulose materials and environment-friendly nano materials. The method of the invention uses natural cellulose as a raw material, firstly hydrolyzes the cellulose raw material with formic acid, and the separated cellulose solid is sequentially subjected to solvent replacement, mechanical treatment and drying to obtain the high-strength transparent hydrophobic cellulose nano film. The nanocellulose film prepared by the method of the present invention has excellent properties, compact structure, high strength and high transparency, the tensile strength of the film can be greater than 200MPa, and the transparency can reach 95%; the hydrophobic modification process of the present invention does not require complex chemical reactions and expensive Chemical reagents, molecular rearrangement and recrystallization can occur on the surface of cellulose during mechanical treatment and film formation; the water contact angle of the obtained nanocellulose film can reach 99°, and the original shape can still be maintained after long-term immersion in water. It has good water resistance and can be used in high humidity environment.

The invention relates to a traditional-Chinese-medicine composition for treating the psoriasis by oral administration and external applying and belongs to the traditional-Chinese-medicine composition for treating the psoriasis. A medicine for oral administration comprises the following components in parts by weight: 50-60 parts of radix rehmanniae, 50-60 parts of bighead atractylodes rhizome, 50-60 parts of honeysuckle, 50-60 parts of duckweed, 40-50 parts of salvia miltiorrhiza, 40-50 parts of cortex moutan, 40-50 parts of angelica sinensis, 40-50 parts of cortex dictamni, 40-50 parts of belvedere fruit, 40-50 parts of fructus forsythiae, 40-50 parts of burdock, 30-40 parts of radices lithospermi, 30-40 parts of cortex kadsurae radicis, 30-40 parts of radix paeoniae rubra, 30-40 parts of scutellaria baicalensis, 30-40 parts of golden cypress and 30-40 parts of poria cocos; a traditional Chinese medicine for external applying comprises the following components in parts by weight: 20-30 parts of hydnocarpus hainanensis, 20-30 parts of radix stemonae, 15-20 parts of golden cypress, 15-20 parts of radix sophorae flavescentis, 10-15 parts of realgar, 3-5 parts of chalcanthite, 3-5 parts of venenum bufonis and 1-3 parts of musk. The traditional-Chinese-medicine composition adopts oral administration and external applying, can treat both symptoms and root causes; the pills of the traditional-Chinese-medicine composition for oral administration have the effects of clearing heat and removing toxicity, cooling blood and dispelling wind, activating blood and dissolving stasis and promoting dampness; simultaneously, by combination with the traditional-Chinese-medicine composition preparation for external applying, the effects of dispelling wind, eliminating dampness, removing toxicity, eliminating inflammation, alleviating pain and itching can be achieved, the psoriasis can be removed, the health of the skin is restored and the relapse is not easy to occur.

The invention discloses a pre-treatment method for improving inkjet printing definition of polyester fabric. The pre-treatment method comprises the following steps: applying pre-treatment agent to thesurface of the polyester fabric by adopting a padding method, pre-baking for 0.5 to 1 hour at 40 to 50 DEG C, and drying at 100 to 150 DEG C to obtain pre-treated polyester fabric which can be used for inkjet printing. The concentration of the pre-treatment agent is that 800 to 1,500 mg pre-treatment agent is applied to each square meter of the polyester fabric; the pH value of the pre-treatmentagent is 9 to 10. The mangle expression of the padding method is 65 to 80 percent; the water holding property and the colour fastness of the polyester fabric can be improved by the pre-treatment method; when a colour is fixed by steaming, imbibing and swelling can be performed effectively, which is beneficial for a dye or a pigment to diffuse to fibres; the defect that the definition of printed patterns is not high caused by the effects, such as ink permeating and bleeding, is overcome; the definition of paint and ink ink-jet printing of the polyester fabric are improved; the hand feeling of the polyester fabric can be maintained; the printed colour is brighter.

The invention discloses moisture and fertility preserving straw fertilizer, which is prepared from the following raw materials in parts by weight: 60 to 100 parts of human and animal excreta, 40 to 80 parts of wheat straw, 30 to 50 parts of silkworm excrement, 20 to 40 parts of vetch, 8 to 16 parts of peanut vine, 14 to 22 parts of vinasse, 6 to 14 parts of manioc waste, 6 to 12 parts of fermented chicken manure, 15 to 25 parts of cottonseed cake, 0.2 to 0.6 part of bacillus subtilis, 0.4 to 0.8 part of phytase, 4 to 8 parts of modified hydroxyapatite, 1 to 3 parts of grass carbon, 4 to 8 parts of briquette residue, 2 to 4 parts of talcum powder, 3 to 5 parts of borax, 20 to 28 parts of phosphate ore powder, 15 to 25 parts of kiln ash potassium fertilizer, 10 to 18 parts of monopotassium phosphate, 40 to 70 parts of urea, 0.3 to 0.9 part of sodium molybdate and 0.6 to 1.4 parts of zinc ammonium phosphate. According to the moisture and fertility preserving straw fertilizer, slow-release effects on nutrient substances are extremely good; the effect of ameliorating soil is obvious; the efficiency and the benefit of comprehensively utilizing straw are improved.

The invention relates to the technical field of cone crushing equipment, in particular to a hydraulic control system of a cone crushing main machine and a control method thereof. The hydraulic controlsystem is characterized by comprising a plurality of adjusting hydraulic cylinders, a plurality of dumpy jack hydraulic cylinders, a discharge opening adjusting circuit, an upper rack retaining circuit, a power component and a hydraulic oil tank. The adjusting hydraulic cylinders are arranged in parallel, the power component is used for converting hydraulic oil in the hydraulic oil tank into pressure oil and supplying the pressure oil to the discharge opening adjusting circuit and the upper rack retaining circuit, the discharge opening adjusting circuit is used for controlling action of the adjusting hydraulic cylinders, the adjusting hydraulic cylinders are used for driving an upper rack to move up and down to adjust the size of a discharge opening, the upper rack retaining circuit is used for controlling action of the dumpy jack hydraulic cylinders, and the dumpy jack hydraulic cylinders are used for jacking up a wedge-shaped ring and keeping the upper rack and a main machine rack expanded. The hydraulic control system is novel in integral structure, stable and reliable to operate, low in failure rate and convenient and rapid to operate and guarantees normal operation of the cone crushing main machine effectively.

The invention provides a lotion capable of diminishing swelling and relieving itching, belonging to the technical field of external itching-relieving preparations. The lotion capable of diminishing swelling and relieving itching is prepared from the following substances in parts by weight: 5-10 parts of glycerol, 1-3 parts of polidocanol, 0.05-0.15 part of menthol, 2-6 parts of flos carthami, 1-5parts of dandelion, 200-300 parts of sorbitol, 20-25 parts of leucine, 10-15 parts of aspartic acid, 15-20 parts of isoleucine, 10-15 parts of tyrosine, and 400-600 parts of distilled water. For the lotion capable of diminishing swelling and relieving itching, a use method is simple, the product is free of toxins, stimulation and foreign smell, the itching-relieving effect is good, and swelling diminishing can be effectively realized. The lotion is suitable for the extremely severe itching caused by mosquito bite, and is also suitable for itching and pain caused by bite of bees, hornets, liceand the like.

The invention relates to a high polymer material refining method, and in particular relates to a method for refining a crude product of polyether ketone ketone by using a hydrochloric acid solution of oxalic acid. The method comprises the following steps: firstly, refluxing and stirring a certain amount of the crude product of polyether ketone ketone in a dimethyl sulfoxide solution; subsequently adding the hydrochloric acid solution of oxalic acid, refluxing and stirring, cooling, and filtering; and refluxing and washing with water, filtering, and drying, thereby obtaining a pure product of polyether ketone ketone. By virtue of the swelling property of polyether ketone ketone in the dimethyl sulfoxide solution, molecular chains of polyether ketone ketone by which catalyst impurities are tightly wrapped can be expanded, then impurity ions can be diffused into organic phase, and meanwhile, metal ions can be continuously captured by virtue of the metal-chelating property of oxalic acid, so that Al<3+> in the crude product of polyether ketone ketone can be effectively removed.

The invention discloses a microneedle patch, a micro blood glucose concentration detection system and a biomarker detection system. The microneedle patch comprises a matrix, a patch body and a microneedle tip. The matrix is prepared from polyvinyl alcohol, a hydrophilic polymer solution and a cross-linking agent; the microneedle tip and the patch are integrally formed and are prepared by casting the matrix into a microneedle mold for drying and demolding; the cross-linking agent is one of boric acid, borax, glutaraldehyde and epoxy chloropropane; the miniature blood glucose concentration detection system comprises a microneedle patch and a detector, and the miniature blood glucose concentration detection system is used for sampling and detecting a biomarker in skin interstitial fluid to obtain a blood glucose value. The preparation method of the microneedle patch is simple, easy to operate and small in invasiveness, and the skin interstitial fluid can be extracted, recycled and detected within a short time.

The invention discloses donkey-hide gelatin natto vermicelli and a preparation method thereof, and belongs to the technical field of vermicelli preparation. The donkey-hide gelatin and natto vermicelli comprises the following raw materials in parts by mass: 5-10 parts of donkey-hide gelatin, 10-20 parts of soybeans, 20-40 parts of sweet potato powder, 10-20 parts of potato powder, 4-8 parts of Chinese yams, 3-5 parts of largehead atractylodes rhizomes, 3-5 parts of poria cocos, 3-5 parts of gordon euryale seeds, 5-10 parts of hawthorn fruits, 4-8 parts of dried tangerine peel, 5-10 parts of Chinese wolfberry fruits, 2-6 parts of cape jasmine fruits and 2-6 parts of cassia seeds. According to the donkey-hide gelatin natto vermicelli and the preparation method thereof, the vermicelli can effectively improve constipation and soften blood vessels, achieves the effects of enriching blood, stopping bleeding, nourishing the liver, nourishing the kidney and moistening the lung, and simultaneously can effectively repair gastric mucosa and reduce the damage of donkey-hide gelatin natto to intestines and stomach. The method increases the comprehensive effect of the donkey-hide gelatin natto vermicelli, improves the health promotion performance of the food, reduces additives, avoids the damage of additives to the tissue functions of human body, and improves the taste of the donkey-hide gelatin natto vermicelli.

The invention relates to a high-strength modified asphalt and a preparation method thereof proposed by the invention, comprising the following components in parts by weight: 40-90 parts of 70# base asphalt, 5-9 parts of a polymer modifier, a composite anti-rutting aid 15-35 parts of antioxidants, 0.5-1.5 parts of antioxidants, 3-7 parts of organic viscosity reducers, and 0.2-0.4 parts of stabilizers. Different from the existing single rock asphalt modification with a large content, the composite modification uses other materials such as petroleum resin to compound or replace the rock asphalt to improve the high temperature performance of the asphalt under the premise of reducing the content of the rock asphalt. Under the premise of performance, the modified asphalt can be stored stably, and it is not easy to deposit on the bottom of the tank and pollute the production pipeline, so as to ensure the quality of asphalt production.

The invention belongs to the technical field of chemical analysis and detection materials, and particularly relates to a method for detecting the content of benzene series in lithographic printing materials based on ionic liquid. According to the method for detecting the content of benzene series in the lithographic printing materials based on ionic liquid, a headspace gas chromatography-mass spectrometry method is adopted; imidazolyl acetate ionic liquid is used as a matrix correcting agent; the content of benzene and benzene series in the lithographic printing material is determined by usingan external standard method; good stability, diversity and relatively strong polarity of the ionic liquid are utilized, effective swelling of the cellulose of the paper product of the flat printed matter can be realized, benzene substances infiltrating into the paper can be effectively extracted so that the detection result is closer to the actual value, the dissolving stability of the whole detection process is further improved, and the effectiveness and the accuracy of the detection result are effectively guaranteed.

The invention discloses a method for preparing micro-fibre corn stalks by a 1-butyl-3-methimidazole chloride-LiBr-DMF (dimethylformamide) system. The method comprises the following steps: crushing and drying corn stalks; performing high-shear sulphonating treatment at a certain temperature by taking a 1-butyl-3-methimidazole chloride-LiBr-DMF compound system as a solvent and adding a pyridine sulphur trioxide compound; filtering, washing and performing vacuum drying on a material which is subjected to the sulphonating treatment, so as to obtain the micro-fibre corn stalks with high sulphonation degree. According to the method, the corn stalk fibres can be effectively swelled and free hydroxyls can be released by combining 1-butyl-3-methimidazole chloride with LiBr, so that the cohesive force of a raw material is weakened, and the sulphonating modifying efficiency of sulphur trioxide-pyridine complex is improved. According to the method, the degradation of hemicellulose and lignin components of the corn stalks can be reduced remarkably; a modifying process is simple and feasible; the modified products of micro-fibres are high in yield and sulphonation degree and large in specific surface area; value-added utilization of agricultural waste is realized; moreover, a modifying liquid is easy to recycle and utilize.

The invention discloses a preparation method of a water-retention culture medium for oyster mushrooms. The method comprises the following steps of calcining corn straw, conducting cooling and pulverizing, adding xanthan gum for grinding, adding polyethylene glycol and water for stirring, adjusting the pH value of a system to be 6-6.4, adding glutaraldehyde under a stirring state, adjusting the temperature for stirring, and conducting filtering, washing and drying to obtain a mixed material; uniformly mixing fermented peony seed husks, peanut shell powder, bamboo charcoal powder, coal gangue, bentonite and lime, conducting pulverizing and sieving, adding water, and accumulating the mixture for fermenting to obtain a fermented material; adding the mixed material and diatomite into the fermented material, stirring the mixture uniformly, adjusting the pH of the system to be 8.1-8.4, and conducting sterilization to obtain the water-retention culture medium for the oyster mushrooms. The culture medium obtained by the method is moderate in nutrient release rate, good in water and fertilizer retention effect, low in cost and high in economic benefit.

The invention discloses a novel expansion sleeve of a gear grinding tool, which comprises an expansion sleeve body, the expansion sleeve body is arranged on the gear grinding tool, the outer side of the expansion sleeve body is sleeved with a gear workpiece, the expansion sleeve body comprises an inner ring and an outer ring, an annular cavity is formed between the inner ring and the outer ring, the cavity is filled with an elastic filler, a pressing block located at the upper end of the elastic filler is movably arranged in the cavity, the upper end of the pressing block extends out of the cavity and makes contact with the gear grinding tool, the pressing block downwards presses the elastic filler, and the elastic filler is pressed to elastically deform so as to push the outer ring to expand the inner ring of the gear workpiece. The gear grinding tool comprises a shell, the shell is provided with a positioning mandrel and a pull rod, and the positioning mandrel is sleeved with the expansion sleeve. By means of the mode, the novel expansion sleeve of the gear grinding tool and the gear grinding tool can ensure that the expansion sleeve effectively expands a workpiece, and are simple in structure, good in using effect, safe and reliable.