14results about How to "Good moisture absorption" patented technology

This invention provides a maltodextrin with good encapsulation performance and moisture resistance, and its preparation method. This invention belongs to the field of food processing technology. The preparation method of the maltodextrin with good encapsulation performance and moisture resistance provided by this invention includes the following steps: (1) adding 4-α-glycosyltransferase to a waxy cassava starch slurry for a first-stage enzymatic hydrolysis, inactivating the enzyme, and obtaining a waxy cassava starch slurry; (2) after heat preservation treatment of the waxy cassava starch slurry, adding a heat-resistant starch branching enzyme solution for a second-stage enzymatic hydrolysis, inactivating the enzyme, and obtaining a macrocyclic dextrin slurry; (3) centrifuging the macrocyclic dextrin slurry to remove impurities, freeze-drying, and obtaining maltodextrin with good encapsulation performance and moisture resistance. The maltodextrin prepared by the method of this invention has good encapsulation and adsorption performance, extremely high water solubility and slow digestion characteristics, and also has the advantages of low viscosity, high transparency, non-retrogradation, strong freeze-thaw stability, and good moisture resistance.

The utility model relates to a heat-preservation printing and dyeing cloth coiled material which comprises a cloth body, a printing and dyeing layer is arranged on one side of the cloth body, a heat-preservation assembly is arranged on the other side of the cloth body, and a first waterproof layer is arranged on the face, away from the cloth body, of the heat-preservation assembly. The heat preservation effect of the cloth is improved.

The utility model discloses a kind of hydrophilic sandwich moisture-absorbing paper diaper bubble waistline structure, belong to the technical field of absorbent article waistline structure, its structure includes absorption main body and the double-layer bubble waistline of being arranged at its length direction both ends, double-layer bubble waistline includes inner layer non-woven fabric, outer layer non-woven fabric, for the intermittent composite second weld spot and third weld spot of both and elastic rib, the upper waistline area of double-layer bubble waistline is provided with hydrophilic moisture-absorbing layer, and the middle waistline area of double-layer bubble waistline is connected to form bubble cavity by second weld spot and third weld spot;The utility model forms bubble cavity by setting weld spot in the middle waistline area of double-layer bubble waistline, and upper waistline area is provided with hydrophilic moisture-absorbing layer and is intermittently compounded with first weld spot, improve the moisture-absorbing effect of waistline part in the wearing process of paper diaper, dot matrix weld spot is adhered to form internal and external bubble structure, ensure that surface fluffy soft touch is ensured while ensuring structural strength, make wearing more comfortable.

The application discloses an environment-friendly degradable functional school uniform fabric and a preparation method thereof, and particularly relates to the technical field of textiles, and relates to an environment-friendly degradable functional school uniform fabric and a preparation method thereof; the environment-friendly degradable functional school uniform fabric is prepared from polylactic acid chips, polyethylene glycol, dicumyl peroxide, quaternary ammonium chitosan derivative, tea polyphenol, baicalin, citric acid, butanetetrol, cotton pulp and N-methylmorpholine-N-oxide; the application constructs a fabric matrix by using fully biodegradable cellulose and hydrophilic modified polylactic acid, and matches a natural degradable functional system, so that the fabric can be completely decomposed by microorganisms in a compost environment, and the degradation performance of the application is improved.

The utility model discloses a moisture-proof file rack. A plurality of layer plates used for supporting files are installed in the file rack body, supporting vertical plates used for supporting and limiting the layer plates are installed on the left sides and the right sides of the layer plates, and moisture-proof boxes used for preventing moisture of the file rack are installed at the lower ends of the middles of the layer plates. Through the arrangement of the stop blocks, after the layer plates are clamped into the first limiting grooves, the layer plates can be quickly locked and unlocked, tedious operation of locking through bolts is avoided, moisture prevention can be conveniently carried out on the interior of the file rack body through calcium chloride particles stored in the multiple moisture-proof chambers, and the file rack is convenient to use. By arranging gauze, the air permeability is improved, the calcium chloride particles conveniently absorb moisture in the file rack body, the calcium chloride particles can be limited, the calcium chloride particles cannot fall off from the damp-proof chamber, in addition, the gauze also increases the friction force of the cinnamomum camphora battens in the third limiting grooves, and the cinnamomum camphora battens are prevented from falling off from the third limiting grooves.

This application discloses a washing and cleaning composition, its preparation method, and a washing and cleaning sheet, belonging to the field of cleaning products. The washing and cleaning composition comprises the following components in parts by weight: amino acid surfactant: 10-30 parts; anionic surfactant: 1-20 parts; plant polysaccharide: 15-45 parts; form promoter: 5-15 parts; nonionic surfactant: 1-10 parts; amphoteric surfactant: 0.5-5 parts; plant extract: 0.5-5 parts; moisturizer: 0.5-5 parts; chelating agent: 0.1-5 parts; fragrance: 0-5 parts; enzyme preparation: 0-5 parts; water: 20-105 parts. The washing and cleaning sheet obtained by this application has the characteristics of low allergy and gentleness, can be directly applied to the skin, has a moderate dissolution rate, and moderate cleaning power, and can be used in shampooing, bathing, facial cleansing, hand washing, underwear cleaning, baby fabric cleaning, toy cleaning, and other fields.

The utility model discloses a novel elastic yarn and a fabric thereof, which belong to the field of textile, and comprise bamboo fiber filaments and elastic fibers as yarn cores, and hollow chinlon wound on the surfaces of the bamboo fiber filaments and the elastic fibers, the hollow chinlon winds the bamboo fiber filaments and the elastic fibers back and forth in an 8 shape to form a composite core yarn, the surface of the composite core wire is coated with a natural cellulose fiber coating layer. The yarn has good structural stability, the yarn core can be prevented from displacing in the using process, the hollow structure provides a buffering effect, and the restraining effect of the bamboo fiber filaments is combined, so that the elastic fibers are prevented from being excessively stretched; the natural cellulose fiber coating layer on the outer layer is good in moisture absorption, the hollow chinlon can utilize a hollow structure to assist in moisture conduction, the bamboo fiber filaments also have good moisture absorption and air permeability, the three parts are matched to avoid accumulation of excessive moisture in the shallow layer of the yarn, transfer of the moisture locally absorbed by the yarn in the length direction of the yarn can be accelerated, and stuffiness can be reduced.

This invention relates to the field of fabric technology, specifically to a breathable antibacterial fabric and its preparation process, and sportswear made from this fabric. The preparation process of the breathable antibacterial fabric includes: preparation of a composite antibacterial agent, preparation of multifunctional polyester fibers, amination modification of phenolic lignin, modification treatment of polyacrylonitrile, and preparation of the breathable antibacterial fabric. The breathable antibacterial fabric of this invention consists of inner, middle, and outer layers: the inner layer is a blend of modal and other materials, which is skin-friendly, moisture-wicking, and antibacterial; the middle layer is a polyurethane film layer; the outer layer contains polyacrylonitrile composite fibers, which are antibacterial, crisp, and breathable. A composite antibacterial agent made of chitosan, cysteine, and copper nitrate imparts dual antibacterial properties to the fabric, reducing bacterial resistance. Ethylene treatment enhances the bonding of components, improving wash resistance and antistatic properties; the co-spinning of amination-modified phenolic lignin and polyacrylonitrile increases fiber strength, breathability, and UV resistance. This fabric is suitable for sportswear.

The invention provides a composite auxiliary material composition for a vacuum belt type drying process of traditional Chinese medicine fructus lycii thick paste and application of the composite auxiliary material composition. The composite auxiliary material composition is prepared from the following components in parts by weight: 3.2 to 11.2 parts of beta-cyclodextrin, 9.6 to 17.6 parts of maltodextrin and 0.4 to 0.8 part of silicon dioxide. The application method comprises the following steps: concentrating a Chinese wolfberry fruit traditional Chinese medicine extracting solution to prepare thick paste, adding the composite auxiliary material into the thick paste, uniformly mixing, and then carrying out vacuum belt type drying treatment; the composite auxiliary material can effectively solve the problem that the sticky tape phenomenon easily occurs in the vacuum belt type drying process of the wolfberry thick paste and the caking problem of the dry paste powder caused by the sticky tape phenomenon under the condition that the addition amount is relatively low, and the prepared dry paste powder has good moisture absorption resistance.

The invention provides a humidity gating device, a manufacturing method of the humidity gating device and medicine moisture wireless monitoring equipment, and belongs to the technical field of electronic materials and devices. The humidity gating device includes: a substrate; the positive electrode and the negative electrode are respectively positioned on the same surface of the substrate, and a gap is formed between the positive electrode and the negative electrode; at least part of the solid electrolyte is located in the gap, the solid electrolyte is connected with the positive electrode and the negative electrode, and the ionic conductivity of the solid electrolyte changes in response to the humidity change of the environment to be detected; wherein in response to the change of the ionic conductivity of the solid electrolyte affected by humidity, the electric signals output by the positive electrode and the negative electrode change, and the electric signals are used for representing the humidity of the environment to be measured. The humidity gating device is applied to the medicine moisture wireless monitoring equipment and can accurately measure the medicine moisture in real time.

The invention discloses a method and a system for testing accelerated aging and steam resistance of automobile brake fluid in a complex environment. The method comprises the following steps: preparing the brake fluid, recording a basic state value of the brake fluid, and calibrating a sensor required by the test; through environment simulation and working condition circulation, the brake fluid is quickly aged to a real failure critical state, an equivalent sample is provided for a steam resistance test, and sampling is carried out after different working condition circulation; continuously running'six-stage concentration cycle 'on a flat and straight road on the plateau based on the vehicle subjected to accelerated aging until a termination condition is reached, and collecting data of all sensors at the same time; and after circulation is stopped, the vehicle is stood to conduct heat and gather bubbles, then the pedal state and the braking efficiency are evaluated through static pedal treading and dynamic braking, then a braking fluid sample is extracted to confirm the water content and the boiling point, finally air resistance triggering related data are recorded, a report is output, and final inspection and evaluation are completed. And the real aging process of the brake fluid is accurately simulated.

The utility model relates to the technical field of pole-mounted circuit breakers, and discloses a pole-mounted circuit breaker with an opening buffer mechanism, which comprises a mechanism box and a control interface, the top end of the mechanism box is fixedly connected with an arc extinguish chamber, the rear end of the arc extinguish chamber is provided with a current transformer, the top end of the arc extinguish chamber is clamped with a fixed end cover plate, and the fixed end cover plate is provided with an opening buffer mechanism. A first conducting rod is fixed in the fixed end cover plate in a longitudinal penetrating mode, a movable end cover plate is arranged at the bottom end in the arc extinguish chamber, a corrugated pipe is arranged at the top of the movable end cover plate, and a second conducting rod is arranged in the movable end cover plate and the top end of the mechanism box in a longitudinal penetrating mode. According to the pole-mounted circuit breaker with the opening buffer mechanism, the fixed end cover plate and other parts are arranged, when the second conducting rod moves upwards or downwards, a buffer spring can be driven to stretch out and draw back, the damper is arranged in the pole-mounted circuit breaker, so that the second conducting rod has a certain buffer effect when moving, certain safety is improved, and the service life of the pole-mounted circuit breaker is prolonged. The problem that buffering is not convenient during opening and closing is solved.

This utility model discloses a quick-drying and breathable fabric and garment. The fabric includes an integrally woven fabric body, which comprises, from the inside to the outside, a moisture-absorbing layer, a breathable layer, and a quick-drying layer along its thickness direction, and is provided with multiple perforated units along the thickness direction. Each perforated unit is a conical channel with an opening size that gradually increases from the inside to the outside. The inner surface of the moisture-absorbing layer is woven with yarns to form several closely arranged protrusions, with recesses formed between adjacent protrusions. The moisture-absorbing layer and the quick-drying layer are woven with polyester yarns, and the polyester yarn used in the quick-drying layer has a higher denier than that used in the moisture-absorbing layer. The polyester fibers in the polyester yarn used in the quick-drying layer have irregular cross-sections. The breathable layer is woven with core-spun yarns, and the water contact angles of the core material and the outer layer of the core-spun yarn are 100 to 140 degrees and 10 to 50 degrees, respectively. This fabric has excellent quick-drying and breathable properties.

The invention belongs to the technical field of collagen peptide preparation, and particularly relates to a collagenase mutant and an enzyme composition and application thereof. The amino acid sequence of the collagenase mutant is as shown in SEQ ID NO. 2. The collagenase mutant (Vow1113) provided by the invention has the advantages of high enzyme activity, wide catalytic temperature range, capability of adapting to a high-temperature production environment of collagenase enzymolysis and the like, and can effectively degrade a collagen raw material from fish skin by matching with alkaline protease and flavourzyme, so that the yield of low-molecular-weight peptide is increased, and the production cost is reduced. The active polypeptide with the molecular weight smaller than 500 Da, the proportion exceeding 80%, the collagen tripeptide proportion exceeding 35% and the GPH content obviously improved is generated, the moisture absorption and moisturizing performance of the obtained collagen peptide is greatly improved, the water holding capacity of the product is improved, and the active polypeptide has good application prospects in the fields of skin care products and oral beauty products.