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274 results about "Moisture regain" patented technology

Preparation method of high-elastic anti-wrinkle blended fabric

The invention relates to the technical field of fabrics, and discloses a preparation method of a high-elastic anti-wrinkle blended fabric, which comprises the following steps: adding sodium carbonate, an organosilicon quaternary ammonium salt triazine finishing agent and a cotton / spandex blended fabric into water, soaking, then soaking and rolling twice, washing, and then pre-drying and baking to obtain the high-elastic anti-wrinkle blended fabric. The finishing agent contains cyanuric chloride groups, active chlorine atoms of the cyanuric chloride groups can react with hydroxyl groups of the cotton fabric, so that the finishing agent is connected to the surface of the blended fabric through stable chemical bonds, meanwhile, the finishing agent contains a large number of amido bonds, and the amido bonds and carbamate groups of spandex fabric form hydrogen bond interaction, so that the finishing agent can be used for finishing the cotton fabric. The finishing agent can be firmly attached to the surface of the blended fabric and has good washing resistance, the finishing agent is not prone to falling off after multiple times of washing, and the fabric still has high wrinkle recovery angle, moisture regain and good hand feeling and keeps good wrinkle resistance, hydrophilic performance and soft and elastic hand feeling.
Owner:PUNING PENGYUANSHENG TEXTILE TECH CO LTD

High-elasticity textile fiber and preparation process thereof

The invention relates to the technical field of synthetic fibers, in particular to a high-elasticity textile fiber and a preparation process thereof. The high-elasticity textile fiber is prepared from the polyurethane-polyamide elastomer and the modified diatomite master batch through melt spinning, drafting and winding. According to the invention, hydroxyl-terminated polydimethylsiloxane is used as polyol, and the molar ratio of the polyurethane prepolymer to the polyamide prepolymer is controlled, so that the prepared polyamide-polyurethane elastomer slice has good heat resistance; the molar ratio of isocyanate to polyol and the molar mass ratio of caprolactam to adipic acid are controlled, so that the prepared textile fiber is excellent in mechanical property; 2, 2-dimethylolpropionic acid is used for a chain extension reaction, the molar ratio is controlled, the moisture regain of the prepared textile fiber is 8.58%, and the moisture absorption is high; the diatomite is modified by the quaternary ammonium salt compound, and the addition proportion is adjusted, so that the prepared spinning fiber has good antibacterial performance.
Owner:GUANGZHOU XIAOYANZHIJIA BABY & CHILD PRODUCTS CO LTD

Polyamide-6 master batch with high moisture absorption and cool sense, fiber thereof and preparation method of polyamide 6 master batch

The invention discloses a high-moisture-absorption cool-sense chinlon 6 master batch and a fiber and a preparation method thereof, and belongs to the technical field of chemical fibers. The preparation method comprises the following steps: respectively crushing and grinding chinlon 6 powder, a moisture absorption modifier, cool powder, an antioxidant and a dispersing agent, mixing to prepare mixed powder, and carrying out quantitative feeding, melting and plasticizing, screw transmission and shearing, water-cooling pelletizing, vibration screening and forced air drying to prepare the high-moisture-absorption cool chinlon 6 master batch. The preparation method comprises the following steps: uniformly mixing dried high-moisture-absorption cool-sense chinlon 6 master batches and chinlon 6 slices, metering, mixing, extruding and melting, spraying out through a special-shaped hole spinneret plate to form tows, sucking monomers, bundling, oiling, stretching, sizing, and finally winding and spooling to obtain the high-moisture-absorption cool-sense chinlon 6 fiber. The preparation method disclosed by the invention is simple in process, the moisture regain of the prepared high-moisture-absorption cool-feeling chinlon 6 fiber can reach 5-8%, meanwhile, the high-moisture-absorption cool-feeling chinlon 6 fiber shows cool feeling and good air permeability and comfort, and a woven fabric is soft, skin-friendly and smooth in hand feeling.
Owner:FUJIAN EVERSUN JINJIANG CO LTD

Preparation method of graphene modified polyamide fiber

The invention relates to the technical field of fibers, and discloses a graphene modified polyamide fiber preparation method, which comprises: mixing 0.05-0.5 part by weight of graphene oxide, 1-4 parts by weight of carboxyl-terminated hyperbranched polyesteramide and nylon 6, and carrying out melt blending spinning, drafting and cooling setting in a spinning machine to obtain the graphene modified polyamide fiber. The hyperbranched polyesteramide has good compatibility with nylon 6, plays a good toughening role, improves the interfacial compatibility of graphene oxide and nylon 6, and improves the breaking strength and elongation at break of the fiber. The end group of the hyperbranched polyesteramide contains a large amount of hydrophilic carboxyl, and the main chain contains hydrophilic amido bonds, so that the moisture regain of the polyamide fiber can be improved, and the hydrophilic moisture absorption performance can be improved.
Owner:SHANDONG JERRY TEXTILE TECH CO LTD

Heat preservation and storage polyester fiber and preparation method thereof

The invention relates to the field of chemical fibers, and provides a heat preservation and storage polyester fiber and a preparation method thereof. The heat preservation and storage polyester fiber is prepared from the following raw materials: a hollow nano material A with the porosity of 40-70%, an inorganic powder material B with a photothermal conversion function and moisture absorption modified polyester C with the moisture regain of 0.45-0.83%, the mass of A accounts for 0.1-3.5% of the mass of C, and the mass of B accounts for 0.1-4% of the mass of C. The preparation method of the heat preservation and storage polyester fiber comprises the following steps: uniformly mixing the polyester master batch containing the hollow nano material, the polyester master batch containing the inorganic powder material with the photo-thermal conversion function and the moisture absorption modified polyester chip, and then adding into a spinning machine for fiber forming. The air content in the fiber is increased by using the hollow nano material, and the heat insulation effect is improved; the direct temperature rise of the fiber is realized by using a photothermal conversion functional material; meanwhile, the hygroscopicity of the fiber is improved, certain heat is generated, and the heat preservation performance of the fiber material can be comprehensively improved through cooperation of the multi-stage heat preservation means.
Owner:ZHEJIANG HENGYI PETROCHEMICAL RES INST CO LTD

Cotton water miscellaneous micronaire value intelligent detection method and device based on multi-source information fusion

The invention discloses an intelligent detection method and device for a cotton water miscellaneous micronaire value based on multi-source information fusion, and relates to the field of cotton quality detection.The method comprises the steps that the weight, the initial air pressure difference, the cotton sample image, the resistance value, the environment temperature and the environment humidity of a to-be-detected cotton sample are obtained; according to the initial air pressure difference and the weight, the compensated air pressure difference is determined through a weight compensation model; according to the cotton sample image, utilizing an image segmentation technology to extract the impurity area percentage and the impurity grain number of the cotton sample to be detected, and determining the impurity content of the cotton sample to be detected; according to the resistance value, the environment temperature and the environment humidity, utilizing a moisture regain prediction model to determine the moisture regain of the cotton sample to be detected; and determining the micronaire value of the cotton sample to be tested by using a Stacking ensemble learning model according to the compensated air pressure difference, impurity content and moisture regain. According to the method, the moisture regain, the impurity rate and the micronaire value of the cotton can be accurately detected in a non-standard detection environment.
Owner:SHIHEZI UNIVERSITY

Mildew-proof and odor-resistant textile material produced from conjugated fibers and preparation method of mildew-proof and odor-resistant textile material

The invention relates to a mildew-proof and odor-resistant textile material produced from conjugated fibers and a preparation method of the mildew-proof and odor-resistant textile material, and belongs to the technical field of textiles. According to the invention, the antibacterial color fixing agent is prepared, the antibacterial color fixing agent is used for carrying out ester exchange modification on PTT to obtain the modified PTT master batch, and then the master batch is used as an'island 'component to prepare the sea-island conjugated fiber, so that the technical defect that a functional auxiliary agent is dissolved in a solvent together with the'sea' component when the sea-island conjugated fiber is prepared is effectively overcome; the sea-island conjugated fiber textile material has good antibacterial performance, still has good retention rate after being washed with water, has good moisture regain and color fastness, is skin-friendly and breathable, and effectively improves the wearing comfort of the PTT-based textile material.
Owner:上海膜益信息科技有限公司 +2

Adjustable seed cotton cleaning machine based on different moisture regain rates and machine parameter adjusting method thereof

The invention relates to the technical field of seed cotton cleaning machines, and discloses an adjustable seed cotton cleaning machine based on different moisture regain rates and a machine parameter adjusting method thereof.The method comprises the following steps that S1, a seed cotton moisture regain rate online detection device installed at a seed cotton feeding opening is used for collecting moisture regain rate data of to-be-processed seed cotton in real time; the data is transmitted to a control system upper computer through a communication protocol; s2, preprocessing the collected moisture regain data based on a sliding window filtering algorithm, removing abnormal values, calculating a dynamic mean value, and improving the stability and reliability of control input; and S3, fusing the moisture regain change trend, detecting the moisture regain of the seed cotton in real time, and automatically adjusting key machining parameters of the cleaning machine according to the moisture regain, so that the seed cotton cleaning effect can be remarkably improved. Meanwhile, in the cleaning process, the distance between the adjacent lattice bars, the rotating speed of the barbed nail roller and the inclination angle of the cleaning part are accurately adjusted according to different moisture regain, and the relation between the impurity cleaning efficiency and fiber damage is effectively balanced.
Owner:SHIHEZI UNIVERSITY

Sanded fabric easy to clean and preparation method thereof

The invention relates to a sanded fabric easy to clean and a preparation method thereof. The preparation method of the easy-to-clean sanded fabric comprises the steps that first fibers and second fibers are blended into gray fabric, the gray fabric is subjected to the procedures of turning sewing, singeing, fading, scouring and bleaching, pre-shaping, sanding, cleaning, shaping, after-finishing and drying in sequence, a finishing agent adopted in finishing liquid in the after-finishing process comprises hexa-carbon alkyl fluoride, the moisture regain of the first fibers is larger than or equal to 8%, and the moisture regain of the second fibers is larger than or equal to 8%; the difference value of the dry heat shrinkage rate between the first fiber and the second fiber at the temperature of 130 DEG C is greater than or equal to 5%. Compared with the prior art, the sanding fabric has the advantages that the principle that two layers of different hydrophilic and hydrophobic surfaces are formed by the heat shrinkage difference between the first fiber and the second fiber is fully utilized, the sanding fabric with hydrophilic short fluff and hydrophobic and oleophobic long fluff is prepared in combination with an after-finishing technology, and hexa-carbon alkyl fluoride capable of being subjected to low-temperature after-finishing is selected as a finishing agent, so that the fabric is more comfortable to wear. The technical problem that in the after-finishing process, the mechanical performance of the sanded fabric is reduced, and hair is prone to falling is solved. The sanded fabric provided by the invention cannot be wetted by water-based and oily dirt to form stains when in use, and the fabric is easy to wash away once being stained.
Owner:LUOLAI LIFESTYLE TECH CO LTD +1

Easily biodegradable polyester-nylon composite fiber and preparation process thereof

The invention relates to the technical field of fibers, and discloses an easily biodegradable polyester-nylon composite fiber and a preparation process thereof.The preparation method comprises the steps that 2-(2-acrylamido ethyl formate) benzoic acid is subjected to graft modification to obtain modified polylactic acid, and the modified polylactic acid, polyethylene glycol terephthalate PET and nylon 66 resin are subjected to blending melt spinning to obtain the polyester-nylon composite fiber. The modified polylactic acid improves the compatibility between the PET and the nylon 66 resin, so that the polyester-nylon composite fiber has higher mechanical properties, and the tensile strength and the elongation at break are obviously improved. The polylactic acid has better biodegradability, and the introduced ester group also has biodegradability, so that the biological decomposition rate of the fiber is improved. The modified polylactic acid contains a large amount of hydrophilic carboxyl and amido bonds, so that the moisture regain of the composite fiber is improved, and the modified polylactic acid can be better applied to hydrophilic moisture absorption fiber textiles.
Owner:NINGBO SANBANG MICROFIBER

Antibacterial textile fabric and preparation method thereof

The invention relates to the technical field of fabrics, and discloses an antibacterial fabric and a preparation method thereof.The preparation method comprises the steps that water, an organosilicon quaternary ammonium salt thymol finishing agent and a cotton / spandex blended fabric are added into a container, and then two-time dipping and two-time rolling, pre-drying and baking are conducted; the organic silicon quaternary ammonium salt thymol finishing agent contains phenolic hydroxyl groups, quaternary ammonium salt cations, ureido and other hydrophilic groups, so that the finished fabric shows good moisture regain and hydrophilic hygroscopicity, and the organic silicon quaternary ammonium salt thymol finishing agent contains a thymol natural antibacterial agent and organic silicon quaternary ammonium salt antibacterial groups, so that the antibacterial effect of the fabric is improved. The strong killing and inhibiting effects on bacteria and microorganisms are realized. The finishing agent is firmly attached to the surface of the fabric, so that the fabric is endowed with excellent antibacterial performance.
Owner:PUNING PENGYUANSHENG TEXTILE TECH CO LTD

Modified meta-aramid film and preparation method thereof, insulating paper and preparation method thereof

The present invention relates to the technical field of insulating paper processing, and specifically to a modified meta-aramid film and its preparation method, as well as insulating paper and its preparation method. The modified meta-aramid film preparation method comprises: uniformly mixing a meta-aramid polymer solution with a high-temperature resistant resin solution, and obtaining the modified meta-aramid film using a film material film-forming method; the high-temperature resistant resin solution comprises a base resin, a curing agent, a high-thermal-conductivity filler, a toughening agent, a accelerator, an initiator, a reactive diluent, and a solvent; the base resin has a glass transition temperature (Tg) of ≥220°C or a long-term temperature resistance of ≥200°C; and the high-thermal-conductivity filler is fluorinated graphene or amino-modified fluorinated graphene. The modified meta-aramid film is used in the processing of insulating paper. The insulating paper has high mechanical strength, excellent insulating properties, low water absorption or moisture regain, strong interlayer bonding, is not easily delaminated, has a uniform thickness, is not easily blistered, and has a simple and efficient preparation process.
Owner:YANTAI METASTAR SPECIAL PAPER

Device and method for detecting moisture regain of cotton bundle fibers

The invention discloses a cotton bouquet fiber moisture regain detecting device and method, and relates to the technical field of cotton detection.The cotton bouquet fiber moisture regain detecting device comprises an image collecting module, a sliding table module, a sampling comb clamping module and a breaking strength measuring module, and the sampling comb clamping module and the breaking strength measuring module are installed on the sliding table module; the sampling comb clamp module is used for sampling cotton bundle fibers to be detected and can be driven by the sliding table module to move, the image collecting module is used for collecting image information of the cotton bundle fibers to be detected, and the sliding table module can drive the breaking strength measuring module to move according to the image information collected by the image collecting module. After the to-be-detected cotton bundle fiber is moved to the breaking strength measuring module, the breaking strength measuring module can clamp the second side of the to-be-detected cotton bundle fiber, and the to-be-detected cotton bundle fiber is measured by a resistance method. According to the invention, rapid detection of cotton fiber moisture regain can be realized, and detection precision and detection efficiency are improved.
Owner:SHIHEZI UNIVERSITY

Corrugating medium for fruit box and production process of corrugating medium

The invention relates to corrugating base paper for a fruit box. The corrugating base paper comprises the following raw materials in percentage by weight: 65-75% of OCC pulp, 23-27% of broadleaf wood chemi-mechanical pulp and 5-8% of wood fibers. According to the invention, broadleaf wood chemi-mechanical pulp is added into OCC pulp to increase the fracture length of paper, wood fibers are added to increase the permeation of surface sizing starch, and the starch enhancer is introduced, so that in the starch gelatinization process, the starch enhancer can effectively weave a glucose chain of starch into a net-shaped structure, thereby remarkably improving the strength of the OCC pulp, optimizing the sizing effect of the starch, and improving the quality of the OCC pulp. The process of combining internal sizing and surface sizing is used, the moisture regain resistance of the paper on the end face and the surface is improved, the stiffness, bursting strength and ring crush compression resistance of the paper can be remarkably improved by using the production process, and the moisture regain resistance effect is good.
Owner:SHANXI QIANG WEI PAPER CO LTD

Preparation method of antifouling oil-repellent moisture-permeable cotton fiber and fabric applying same

The invention discloses a preparation method of antifouling, oil-repellent and moisture-permeable cotton fibers and a fabric using the same, and relates to the technical field of fiber surface functionalization treatment. The method comprises the five steps of enzyme dewaxing, weak acid neutralization, perfluorosilane vapor deposition, thermocuring and moisture regaining and humidifying. The method comprises the following steps: firstly, mildly removing waxiness on the surface of the cotton fiber under the buffering of glycine and the assistance of ultrasonic waves by adopting the synergistic effect of lipase and acid cutting enzyme, and controlling the waxiness loss rate to be 0.8-1.2 wt%; then neutralizing the surface of the fiber through a weak acid bath containing citric acid and a silane coupling agent, and controlling the moisture content in cooperation with hot air drying. Carrying out perfluorodecyl / perfluorooctylsilane vapor deposition on the humidified fibers at low pressure, and introducing a trace amount of water vapor to induce Si-O-Si network construction; and the compactness and durability of the coating are further improved through two-stage thermocuring. The obtained fiber has high oil and water repellency and excellent moisture permeability.
Owner:SHISHOU DEYONGSHENG TEXTILE CO LTD

Tobacco strip moisture regain processing strength control method based on CFD-DEM coupling and atomizing nozzle

The invention discloses a CFD-DEM coupling and atomizing nozzle-based tobacco strip moisture regaining processing strength control method, which accurately controls a moisture regaining process through numerical simulation and process parameter optimization, and improves the product quality and the production efficiency. The method combines a bidirectional coupling theory of computational fluid dynamics (CFD) and a discrete element method (DEM) to simulate the movement, heat transfer and humidifying process of tobacco flakes in a moisture regaining cylinder, particularly, on the basis of a traditional CFD-DEM model, an atomizing nozzle model is innovatively introduced, a nozzle structure and an atomizing mechanism are optimized, uniform distribution of moisture is improved, and the moisture regaining effect is improved. The moisture content and temperature balance of the tobacco lamina are ensured, so that the moisture regaining effect is improved. Meanwhile, the invention provides a quantitative optimization method based on the processing strength (H), the relation between the processing strength and parameters such as temperature, moisture content and convective heat transfer coefficient is analyzed, the processing strength is kept in the optimal range by adjusting the parameters, and the stability of the moisture regaining process and the consistency of the quality of the tobacco lamina are ensured.
Owner:KUNMING UNIV OF SCI & TECH

Corrugated paper moisture resistance detection method and system

The present application relates to the field of material performance detection, and discloses a corrugated paper moisture resistance detection method and system, comprising: first, obtaining the storage environment of the corrugated paper sample and collecting environmental data, and then performing dynamic moisture absorption analysis and calculating the moisture penetration rate; then, combining the rate analysis structure with the moisture state, querying the moisture regain index, and then performing layered humidity detection to obtain interlayer moisture change data; then, calculating the moisture resistance residual strength based on the data, generating the moisture resistance efficiency index combined with temperature and humidity, and dividing the moisture regain risk level; finally, configuring multi-stage early warning indicators according to the level, positioning the edge moisture absorption area and calculating the diffusion gradient value, generating a humidity stability signal and sending it to the terminal, and formulating a moisture regain detection strategy according to the feedback. The present application can guarantee the accuracy of the corrugated paper moisture regain detection.
Owner:DONGGUAN JINTIAN PAPER CO LTD

Cigar wrapper moisture regaining room

The utility model belongs to the technical field of cigar wrapper moisture regaining devices, and particularly relates to a cigar wrapper moisture regaining room which comprises a room body and a movable airing device, atomization equipment is erected on the top of the room body, a drainage groove is formed in the bottom edge in the room body, the movable airing device comprises a bottom plate and a hanging frame, and the bottom plate extends upwards to form a four-corner supporting frame. The lifting frame is of a multi-layer frame structure, each layer is provided with a partition plate, the lifting frame is limited in a space defined by the four-corner supporting frame and connected with the bottom plate through a sliding assembly assembled on the bottom partition plate, a vibration motor set matched with the sliding assembly is further installed below the bottom partition plate, and a plurality of vertical arms as high as the lifting frame are connected to the wide edge of one side of the lifting frame in the direction. The vertical arms are correspondingly provided with shaking devices connected with the upper-layer partition plates of all the layers of frames, and the shaking devices are used for hanging eggplant coats. According to the cigar wrapper moisture regaining room, the problems that moisture regaining processing needs to consume a large amount of time, operation is tedious, moisture regaining uniformity is poor, and leaves are prone to being damaged due to traditional moisture regaining processing are solved.
Owner:CHINA TOBACCO ZHEJIANG IND CO LTD

Superfine denier nylon cotton-feeling fabric and preparation method thereof

The invention discloses a superfine denier nylon cotton-feeling fabric and a preparation method thereof, and the preparation method sequentially comprises the following steps: yarn configuration and weaving: weaving is carried out by adopting warp yarns and weft yarns, the weft yarns are nylon air textured yarns (ATY), and the weft yarns are prepared by FDY filaments with the filament number of not more than 10D through air texturing processing; the dyed fabric is subjected to padding treatment, adopted finishing liquid contains waterborne polyurethane and a fluoride-free waterproof agent, baking shaping is conducted after padding, and the fabric is subjected to humidifying and moisture regaining treatment during fabric discharging. According to the superfine denier nylon cotton feeling fabric and the preparation method thereof, the touch feeling of the nylon fabric is improved through the specific yarn structure design and the synergistic after-finishing technology, so that the nylon fabric has the soft comfort close to that of a cotton fabric, and meanwhile, the characteristics of high wear resistance and high strength of nylon fibers and the effective fluoride-free waterproof performance are kept.
Owner:ANTA (CHINA) CO LTD

Intelligent beam fiber strength tester and application method

The present application relates to the technical field of cotton fiber detection. A kind of intelligent beam fiber strength tester, including cabinet, industrial computer, sliding table module is provided in cabinet, sectional material frame, air cylinder, beam fiber clamping mechanism, stepper motor, lever type pull rod, force sensor, displacement sensor, resistance detection plate, A / D acquisition conversion module;The application method of the tester, steps include: under normal environmental conditions, beam fiber clamping mechanism clamps fiber sample, obtains moisture regain R by resistance moisture regain conversion program conversion;Stepper motor drives lever type pull rod to stretch sample, data is made into the tensile curve F (e) of beam fiber sample-e by industrial computer, and machine learning model predicts the corrected breaking strength value and elongation rate.The present application is simple and reasonable in structure, can realize the quick and accurate measurement of cotton beam fiber breaking strength value and breaking elongation rate under different humidity conditions in normal environment, is high in informatization degree, economic and practical, and improves the accuracy of test result.
Owner:SHIHEZI UNIVERSITY

A high moisture-absorbing polyester composite material and a method for manufacturing the same

The application relates to the technical field of high polymer materials, and discloses a high-hygroscopic polyester composite material and a preparation method thereof. The polyester composite material prepared by the application is prepared by taking PTT polyester and hygroscopic modified polyester as main raw materials and adding a toughening agent, an antioxidant, an ultraviolet absorber and a lubricant, and the fiber yarn prepared by using the polyester composite material has high hygroscopicity while keeping the breaking strength and elongation at break. Therefore, the fabric prepared by taking the composite material as raw material has excellent moisture regain and hygroscopicity.
Owner:JIANGSU KEYILAI NEW MATERIAL TECH CO LTD

Moisture regain prevention control method and dish washing machine

The invention discloses an anti-moisture regain control method of a dish-washing machine, a door body of the dish-washing machine is closed after drying is finished, residual moisture in a water tank is evaporated into water vapor by utilizing residual heat in an inner container, the inner container comprises a humidity detection device, a humidity value in the inner container can be detected in real time, and when the detected humidity value reaches a preset humidity threshold value, the humidity in the inner container can be detected in real time. Controlling the dish-washing machine to repeatedly open and close a door body, and in the process of opening and closing the door body of the dish-washing machine, according to the temperature difference and the humidity value of the inner container wall and the inner container air, adjusting the humidity threshold value of opening and closing of the door body in real time until the humidity in the inner container is continuously lower than the preset humidity value within a period of time; at the moment, the inner container wall of the dish-washing machine and tableware in the inner container cannot get damp any more.
Owner:QINGDAO HAIER DISHWASHER +1

Composite elastic fiber and preparation method therefor

Disclosed are a composite elastic fiber and a preparation method therefor. The composite elastic fiber is a side-by-side hollow bicomponent composite elastic fiber, and comprises component A and component B, wherein the component A is nylon 6; the component B comprises a nylon 6 elastomer; the nylon 6 elastomer is a linear block copolymer composed of a polycaprolactam hard segment and a polyether or polyether amine soft segment; the mass fraction of the hard segment in the nylon 6 elastomer is 25-90%, and the mass fraction of the soft segment therein is 10-75%. The composite fiber of the present invention has a high three-dimensional self-crimping capability; moreover, the composite fiber has the characteristics of soft and elastic hand feel, high elongation and excellent resilience, and can be dyed with various types of dyes, resulting in bright colors and deep dyeability; the nylon 6 and the nylon 6 elastomer have a relatively high moisture regain; by using a hollow structure, the composite elastic fiber has superior loftiness, and significantly better breathability and moisture regain compared to other elastic fibers such as polyester T400, spandex, and textured nylon, and offers a softness that closely resembles cotton.
Owner:CANGZHOU RISUN CHEMICAL LTD

Method for precise control of moisture and temperature at the outlet of a conditioning machine

The application discloses a kind of accurate control methods of moisture and temperature of moisture regaining machine outlet, comprising:1, function relationship of hot air moisture content Wg in cylinder with tobacco flow, outlet moisture, ambient temperature and humidity data is established;2, the function relationship of hot air moisture content in moisture regaining cylinder with water addition, steam application amount is obtained by pipeline and wind volume calculation in moisture regaining cylinder;3, by coordinating control water addition and steam application amount, ensure that temperature and moisture two major index control stability.The application not only solves the problem of mutual restriction, mutual influence between temperature and moisture two sets of PID control system, but also effectively solves the problem of water stained tobacco due to system overshoot.
Owner:CHINA TOBACCO ANHUI IND CO LTD

Cotton spinning process and apparatus for producing worsted pure wool yarn

ActiveCN119308051BFibre cleaning/opening by beater armsSevering to form staple fibresYarnPolymer science
The application discloses a cotton spinning process for producing worsted pure wool yarn, and relates to the technical field of cotton spinning processes, and comprises the following steps: step S1, wool raw material screening and top cutting technology; step S2, wool fiber health treatment; step S3, top preparation; step S4, spinning process optimization; and step S5, control of wool fiber moisture regain in the spinning process. The wool fiber selected for the wool raw material is one of merino wool, castile wool, toscana wool, florence wool and north Spain wool, and the top cutting is performed by a shearing assembly to cut the wool fiber into a length of 40-45 mm. The application is provided with a No. 1 motor, which is started to drive a dispersion rod to rotate, the wool raw material is loosened by the rotation of the dispersion rod, the loosened wool raw material falls onto the surface of a conveying belt for treatment, the wool raw material is more loosened, the entanglement between the wool fibers is reduced, and the function of reducing fiber damage to the maximum extent is realized.
Owner:NANTONG DOUBLE GREAT TEXTILE +1

Empty pulp fiber material weft knitting fabric and preparation method and application thereof

The invention discloses an empty pulp fiber material weft knitting fabric as well as a preparation method and application thereof, and relates to the field of garment fabrics. The hollow pulp fiber material weft knitting fabric is provided with at least one weave structure, and the weave structure is selected from at least one of twill two-position clothes, wicker ribs and single-face jacquard. The fabric comprises a weft knitting structure formed by weaving blended yarns of empty pulp fibers and cotton. The hollow pulp fiber has a porous microstructure, the cross section of the hollow pulp fiber is hollow and porous, and micropores are distributed on the surface of the longitudinal section of the hollow pulp fiber. The hollow pulp fiber material weft knitting fabric has a unique porous structure, the cross section of the hollow pulp fiber material weft knitting fabric is in a hollow porous shape, and micro-pores are distributed in the longitudinal section of the hollow pulp fiber material weft knitting fabric, so that the hollow pulp fiber material weft knitting fabric is a physical basis for achieving functional advantages of high specific surface area, high moisture regain, hollow heat storage and the like of the fabric, and is fundamentally different from common polyester or special-shaped polyester; the source guarantee is provided for the cooperation of multiple functions such as moisture absorption and sweat releasing, heat preservation and heat insulation.
Owner:WUYI UNIV +1

A method and system for controlling moisture addition in a conditioning machine

The application discloses a moisture regaining machine water adding amount control method, which comprises the following steps: dividing each batch of material into several equal parts with equal weight; storing the corresponding correction water adding amount and characteristic time of the processed equal part material in each batch in the form of a data group; setting several batches processed before the current batch to be processed as historical processing batches, and setting corresponding weights for each historical processing batch; calling each data group with the same characteristic time as the current batch to be processed as a target data group; and bringing the correction water adding amount in each target data group and the weight of each historical processing batch corresponding to each target data group into a weighted model to calculate the water adding amount of the current batch to be processed. The application can calculate the water adding amount of the tobacco material before the tobacco material enters the moisture regaining machine, and can improve the water adding amount accuracy of the tobacco material. The application further discloses a moisture regaining machine water adding amount control system.
Owner:CHINA TOBACCO GUIZHOU IND

Tobacco bale moisture regaining shed

The utility model discloses a tobacco bale moisture regaining shed which comprises a shed body, a frame body, a moisture regaining device and a pipe set. The greenhouse body is arranged in a sealed mode and used for preventing the influence of the external environment on the space in the greenhouse, and a frame body is arranged in the greenhouse body. The frame body comprises a plurality of frame layers which are uniformly arranged, each frame layer is hollowed out, cigarette packets are uniformly placed on each frame layer, and the cigarette packets are distributed on each frame layer in a single-layer manner; the moisture regaining device is connected with the pipe set, and the moisture regaining device is used for monitoring the environment humidity and temperature and can spray out hot steam to humidify tobacco leaves; the pipe group comprises a plurality of groups of humidifying pipes, the humidifying pipes are wound on each layer of frame body, and nozzles are arranged on the humidifying pipes and used for spraying wet and hot gas to the cigarette packet. The tobacco bale moisture regaining device has the advantages that each shelf layer is provided with the humidifying pipe, the humidifying pipes are arranged on the shelf layers according to the characteristics of hot steam, it is guaranteed that tobacco bale moisture regaining is even, and the moisture regaining process can be dynamically adjusted due to the fact that the humidity sensor and the temperature sensor are arranged.
Owner:SHANDONG WEIFANG TOBACCO CO LTD

High-voltage mutual inductor silica powder raw material conveying and drying device

The utility model relates to a high-voltage mutual inductor silica powder raw material conveying and drying device which comprises a drying mechanism and a conveying mechanism, the head end of the drying mechanism is provided with a feeding port, the conveying mechanism is arranged at the tail end of the drying mechanism, the drying mechanism comprises a tank body, a stirring paddle and a heating pipe, and the tank body is of a double-layer structure and comprises an inner container and a shell. The heating pipe is arranged between the inner container and the shell, the stirring paddles are spiral stirring paddles, the stirring paddles are hollow, a heating medium is introduced into the stirring paddles, two outlets are formed in a feed opening of the conveying mechanism, the tail ends of the outlets are connected with premixing tanks, and the tank body and the premixing tanks are connected with negative pressure devices. The drying mechanism adopts the heating pipe and the stirring paddle with the heating function for synchronous heating, the stirring paddle is heated and extends into the silica powder, heating is uniform, moisture regain is prevented, the two outlets of the conveying mechanism enable the silica powder, epoxy resin and a curing agent to be premixed respectively, the mixing time is prolonged, free gas is guaranteed to be fully discharged, and the drying efficiency is improved. And bubbles during pouring are avoided.
Owner:ZHENGZHOU KAIBEITE TRANSFORMER CO LTD

Temperature-variable-stress-resistant self-feedback yarn anti-corrosion drying method

The invention discloses a temperature-variable-stress-resistant self-feedback yarn anti-corrosion drying method, and relates to the technical field of intelligent control and material protection of a yarn drying process in the textile industry, and the method comprises the following steps: S1, establishing a digital twinning stress prediction model and a dynamic anti-corrosion performance evaluation model of yarns; the digital twinning stress prediction model is used for predicting transient thermal stress distribution in the yarn according to the drying process parameters. According to the temperature change resistant stress self-feedback yarn anti-corrosion drying method, synchronous and coordinated regulation and control of internal thermal stress, the surface anti-corrosion state and the moisture regain of the yarn in the drying process are achieved; on the premise of stabilizing the vehicle speed, the yarn structure damage risk caused by temperature fluctuation can be actively inhibited, continuous and effective corrosion protection is provided for the yarn in the drying process through intelligent management of the slow-release anti-corrosion medium, and the physical integrity and durability of the yarn are overall improved.
Owner:NANTONG GOD OF HORSES THREAD