622results about How to "Improve production rate" patented technology

The invention discloses a preparation and use of raw liquid of ceratin of animal hairs, such as wool, camel hair, bristle, human hair, bird feather and animal hair. The method comprises preparing combination reducing agent by sulfite, carbon amide compound and sodium salt organic matter, reducing the material hairs and producing raw liquid of ceratin of animal hairs. The keratin spinning fluid can be mixed with a plurality of materials, if mixing together with the nano silver series antiseptic material, then producing spinning fluid by grafting with the cellulose graft. The wet processing device and art can produce filament yarn or short fiber.

The invention discloses a method for producing crimpy type high-grade green tea, which comprises the following sequence of operations: tedding fresh leaves, removing water in rollers, rolling to deblock, performing secondary water-removing, performing third water-removing, tedding to cool, shaping and rubbing, performing secondary tedding to cool and fragrance-extracting, wherein the secondary water-removing means that deblocked tea leaves are put in a 40 type well-known tea water remover for 20-25 seconds at the temperature of 130-140 DEG C; and the third water-removing means that the tea leaves after the secondary water-removing are returned back to a roller and are subjected to another time of water-removing for 15-22 seconds. The method for producing the crimpy type high-grade green tea has the advantages that the problem of long-time baking in a baking machine and many factors causing quality change can be completely solved, the occurrence of damage to tea leaves during warming up or stewing caused by slow manual stir-frying, and uneven stir-frying or not-required temperature at some time is prevented, so that the quality of the tea leaves is unified and is obviously improved; the labor force is reduced, and the yield is enhanced; the production rate is effectively increased, the tea leave dust is reduced, and the color and the luster are stable; and the method is convenient to operate and has little cost for machinery.

The invention relates to a natural cotton fiber spunlaced nonwoven fabric for medical health and a production method thereof. The method is performed according to the following steps: preprocessing fibers; preliminarily combing cotton fibers; performing fine mixing; performing fine combing; forming a fiber net and performing drafting; performing hydraulic entanglement on the fiber net to form a cotton fiber spunlaced nonwoven fabric, and squeezing a bleaching solution into the fabric; performing cold pad-batch; removing cotton wax and pectin substances through a one-step method; performing cloth cover modification or jacquard treatment on a jacquard spunlaced device; drying the cotton fiber spunlaced nonwoven fabric on a tentering and setting machine; cutting the natural cotton fiber spunlaced nonwoven fabric, packaging the cut cotton fiber spunlaced nonwoven fabric, and warehousing the packaged cotton fiber spunlaced nonwoven fabric. According to the natural cotton fiber spunlaced nonwoven fabric for medical health, the gram weight deviation of the unit area does not exceed the range of minus 7% to plus 7%, the whiteness is greater than and equal to 85, the water absorption time is smaller than or equal to 5 s, the pH value is 6-8, the water-soluble matters are less than or equal to 0.5%, the soluble matters in ether are less than or equal to 0.5%, and the surface active substances are smaller than or equal to 2 mm. The natural cotton fiber spunlaced nonwoven fabric for medical health, provided by the invention, has the advantages of good hand feeling, good moisture absorption, good air permeability and no irritation to skins, the nonwoven fabric can be naturally degraded after being used, and the nonwoven fabric completely meets the requirement of environmental protection. The nonwoven fabric can be widely applied to the fields of medical care, hygiene, cosmetology, daily life, industrial cleaning, clean rooms and the like.

The invention relates to a continuous preparing method for polyether modified copolyester. The method includes mixing an ethylene glycol solution of a titanium catalyst, terephthalic acid and ethylene glycol to prepare slurry, esterifying, mixing an ethylene glycol solution of an antimony catalyst, an ethylene glycol solution of polyether and an intermediate that is bis(hydroxyethyl) terephthalate, pre-polymerizing, performing condensation polymerization, and the like. Problems that polyether macromolecules are prone to thermal degradation and are degraded into chain segments with low molecular weights at high temperature with long reaction time, and modification effects of the chain segments with low molecular weights on polyesters are weakened are overcome by the preparing method. The polyether that is a modifying agent in the prepared polyether modified copolyester is uniform in distribution and stable in molecular weight. A copolyester product is excellent and stable in performance and good in spinnability.

The complex twisting device for air-jet eddyc-current spining to twist fiber strand consists of the upper twisting unit and the lowr twisting unit. Positive pressure air flow is utilized to produce eddy-current field and pipe flow and the fiber is fed to the eddy-current field via the conveying pipe. Fiber strand rotates with the high-speed rotating air flow while the pipe flow protects and guides the twisted fiber strand to leave from the eddy-current field. During the process, fiber strand is twisted to produce twisted yarn in high speed. The present invention makes it possible to produce high-quality yarn at low cost and high speed.

The invention discloses a making method of powder phosphatide, medical and injection lecithine, which comprises the following steps: decompressing and condensing raw material; proceeding CO2 hypercritical extraction; filtering; selecting grain; drying; obtaining soybean powder phosphatide; extracting powder phosphatide through alcohol; freezing extract more than 12h; filtering in the vacuum; distilling under normal pressure; adopting active charcoal to decolor; condensing; drying; obtaining the medical lecithin; extracting soybean powder phosphatide through alcohol; freezing; adding activated adsorber to adsorb decompression material; adsorbing heat source through active charcoal; decoloring; filtering; condensing; degerming; drying; obtaining injection lecithin; fitting for making industrial phosphatide.

The invention provides a degumming method of flax, comprising the following steps: adjusting the PH value of water to 8.5-9.5, heating to 20-55 DEG C, adding the enzyme preparation composed of hemicellulase and alkaline pectinase with enzyme activity of 50-5000 U/ml in the water to obtain a mixed solution, adding flax in the heated mixed solution to ret and degum, and drying, cultivating and scotching the degummed flax to obtain linen fibers. The invention also provides an enzyme preparation for degumming of the flax, comprising hemicellulase and alkaline pectinase with enzyme activity of 50-5000 U/ml. According to the invention, by using the enzyme preparation for degumming, the degumming time is short, the intensity of the scotched flax is high, the yielding of linen fibers is high, the evenness is good, the operation is simple without the process of bacteria producing enzyme, and degumming waste can be reused or discharged to farmland so as to reduce the cost of industrialization of degumming.

The invention discloses a spinning-winding united manufacturing process of corterra (PPT) fully-drawn long yarns, belonging to the technical field of production process of chemical fibers. The process comprising the following procedures: a procedure of preparing for raw corterra slices, a procedure of fusing, a procedure of spinning, a procedure of cooling and bundling, and a procedure of drawing and winding, wherein the procedure of drawing and winding comprises a step of fully drawing corterra yarns; the step is as follows: heating a pre-weaved corterra yarn bundle at low temperature through a first spinning heat roller set GR1; then drawing the corterra yarn bundle heated at low temperature through a second spinning heat roller set GR2 to form a corterra long yarn, and initially and thermally shaping the corterra long yarn at high temperature; and then further shaping the initially and thermally shaped corterra long yarn at high temperature independently through a third spinning heat roller set GR3 to form the corterra fully-drawn long yarns. The manufacturing process provided by the invention can effectively reduce internal drawing stress of the yarn bundle, increase winding quality, and meet the demand on production process of high-quality corterra long yarns so as to produce high-quality long yarns.

The invention aims to provide polytetrafluoroethylene chopped fiber with high intensity, high uniformity and low production cost and preparation technology thereof. A process flow comprises the following steps of: mixing polytetrafluoroethylene micro powder and a lubricating agent; stirring; standing; performing pre-compression molding; performing push molding; performing rolling molding; drying; performing hot stretching; parting off; twisting; performing primary hot drawing; performing secondary hot drawing; curling and thermally forming; cutting off; loosening; and inspecting and packaging so as to obtain high-intensity polytetrafluoroethylene chopped fiber. In a manufacturing process, the temperature rises gradually from the primary hot stretching to the secondary hot stretching to the curling and thermally forming.

The present invention relates to a nylon 6 negative ion staple and its production method. Said staple includes negative ion function mother granules and nylon 6 chips, their weight ratio is 1:5-10. The described negative ion function mother granules include function powder body, carrier chip, dispersing agent, coupling agent and antioxidant, their weight ratio is 20:79.5:0.2:0.1:0.2. Besides, said invention also provides the concrete steps of its production method.

The invention relates to a method for cutting ultra-thin silicon wafer by a superfine steel wire. The method comprises the following steps of: (1) forming slots in a man shaft; (2) sticking bars; (3) preparing a cooling liquid; (4) cutting; (5) unloading; (6) degumming and cleaning; and (7) detecting; the cooling liquid prepared in the step (3) is pure water and a water-based cutting fluid with concentration being 0.6%-2.0%; and during cutting in the step (4), cutting steel wires are 60 [mu]m diamond wires, diamond particles are particles with diameter being 6-8 [mu]m, tension is set to be 7-9 N, and slot pitch of the main shaft is 0.19-0.210 mm. According to the method, single crystal slicing yield is further reduced, slicing thickness is reduced, silicon loss is reduced and processing cost is reduced; and meanwhile, a wire braking rate can be reduced, yield is increased, and wire doubling is avoided.

The invention discloses a manufacturing method of milk protein fiber or filament or blended yarn dyeing and yarn-colored product, which is characterized by the following: changing coiling density of yarn; controlling heating temperature; adopting segmented contraction in the cylinder yarn dyeing course; adding self-producing milk protein fiber dyeing specific adjuvant; utilizing polyacrylonitile or polyvinyl acetate alcohol as carrier realize active dyeing technology of milk protein fiber; solving the difficulties of flower color, weak color and bad fastening degree problem to produce excellent washing shrinkage and stable size yarn-dyed product through weaving, shrinking and softening and final disposal.

The present invention relates to a nylon 6 bamboo carbon staple and its production method. Said staple includes bamboo carbon function mother granules and nylon 6 chips, their weight ratio is 1:5-10; and the described bamboo carbon function mother granules include function powder body, carrier chips, dispersing agent, coupling agent and antioxidant, their weight ratio is 20:79.5:0.2:0.1:0.2. The present invention also provides the concrete steps of its production method. Said method includes the steps of preparing raw materials, mixing them, spinning, end winding, tow collecting, drafting, dewatering, crimpting, finalizing design and cutting.

The invention relates to a non-contact smart card and a manufacturing method of the non-contact smart card. The non-contact smart card comprises a core layer composed of a chip, a polymer base layer containing an antenna, and a packed layer, wherein, the thickness of the packed layer is larger than or equal to that of the chip; the chip, which connects with the antenna, is positioned in a hole arranged in the packed layer. The invention adopts the metal-etching method to make the antenna, thereby not only improving the anti-bending property and stability of the product and leading the antenna adaptable to humid and high-temperature environments, but also lowering the cost. Due to adoption of the inverted-patch technology, the chip can be directly dismounted from a wafer and put on the etched antenna in the polymer base layer to form the tight connection between the chip and the antenna without the need of module capsulation, so the cost for chip capsulation is lowered. The use of the perforated packed layer reduces the stress onto the chip in lamination, strengthens the protection on the chip and improves the product yield rate.

The invention relates to a preparation method for a polyester fiber with compound ultraviolet ray resisting, aging resisting, moisture absorbing and quick drying functions. The method comprises an esterification reaction process, a polymerization reaction process and a spinning process in sequence, and comprises the following specific steps of: in an esterification reaction, introducing a third monomer with relatively large steric hindrance; after the esterification reaction and before a pre-polymerization reaction, adding titanium dioxide serving as a high-content delustering agent, a hindered amine light stabilizer and a hindered phenol antioxidant; after the pre-polymerization of polymerization reaction process and before final polymerization, adding an ultraviolet absorber; and beforethe spinning process, pre-crystallizing and drying polyester slices obtained in the polymerization reaction process, and designing a special-shaped section for the fiber. The polyester fiber obtainedby using the method has superior ultraviolet ray resisting, aging resisting, moisture absorbing and quick drying functions. As provided by testing, relevant technical indexes are that: the ultraviolet transmission is less than or equal to 5.0 percent, the wicking height is more than or equal to 120 millimeters, and the evaporation rate is more than or equal to 0.20g/hr after the polyester fiber is woven into a knitted fabric and a woven fabric.

The invention relates to the field of sanitary articles, and provides a natural antibacterial fiber spunlaced non-woven fabric and a preparation method and application thereof. The natural antibacterial fiber spunlaced non-woven fabric comprises hemp fibers and cotton fibers. The preparation method includes the following steps that the hemp fibers and the cotton fibers are pretreated respectively;the pretreated hemp fibers and the pretreated cotton fibers are mixed; the mixed fibers are subjected to opening and picking, carding and combing in sequence to form fine silvers, the fine silvers are pull apart to form fine webs, and then hydrophilic treatment, opening, carding, lapping, drawing, spunlacing, drying and reeling are carried out to obtain the natural antibacterial fiber spunlaced non-woven fabric. According to the method, damage to the hemp fibers is small, the loss is low, and the antibacterial property of the hemp fibers is well retained; the natural antibacterial fiber spunlaced non-woven fabric is good in evenness and combines the advantages that the cotton fibers are soft and comfortable and the hemp fibers are natural antibacterial, dry and breathable; the fabric truly has the advantages of being good in evenness, soft and comfortable, natural antibacterial, dry and breathable, can be widely used in the fields of sanitary napkins, wet wipes, cotton wipes and the like, and has broad application prospects.

The invention discloses a preparation method of ZrB2-SiC composite ceramic. The preparation method includes the steps of firstly, sufficiently mixing ZrB2 powder and SiC in a ball milling tank, and calcining the mixed powder in a vacuum furnace to obtain ZrB2-SiC mixed powder; secondly, adding adhesive into the ZrB2-SiC powder, evenly stirring, loading into a mould to perform compression moulding, and demoulding to obtain a biscuit; thirdly, flatly placing the biscuit on a high-purity aluminum oxide ceramic plate, sintering the ceramic plate with the biscuit in a vacuum sintering furnace, and cooling along with the furnace to obtain the ZrB2-SiC composite ceramic. The preparation method has the advantages that the ZrB2-SiC composite ceramic is prepared by using the vacuum sintering method, ZrB2-SiC does not have direct reaction, and deviated component proportion is avoided; the ZrB2-SiC composite ceramic is easy in preparation operation, and yield is increased effectively.

The invention discloses a polychrome connection silk screen printing process and equipment thereof, and relates to the technical field of sheet-fed rotary screen printing. The printing process comprises the following steps: transferring the printing ink to relief printing plates on four color mould drums by utilizing a four-color-group ink supply unit in satellite-type layout; converging the different colors onto the color gathering rubber blankets of a double-diameter impression cylinder in different zones by different color mould relief printing plates; transmitting the different colors onto a connection cylinder printing plate in a silk screen cylinder by combining a special money printing connection process through a big neutral position to form an accurate printing ink pattern; and finally rolling the printing ink pattern onto the paper sheet through the silk screen plate to form a polychrome connection pattern. The invention can realize the connection silk screen printing process of different-color counterfeiting inks, such as OVI and OVMI, and also can realize a puzzle connection silk screen printing process and a mixed-color silk screen printing process of common printing ink, OVI, OVMI and colorless fluorescent ink and the like. The printing production has high yield and accurate connection, and is convenient in operations of washing, replacing and tightening the silk screen plates.

The invention relates to a formula of a flux for hot tinning of a copper wire and a preparation method thereof. The formula is used for tight tinning on the surface of the hot tinned copper wire and characterized by comprising the following components in percentage by mass: 0.5 to 1.5 percent of ammonium chloride, 2.0 to 5.0 percent of zinc chloride, 0.2 to 5.0 percent of triethanolamine, 0.1 to 2.0 percent of OP-10 emulsifying agent, 5.0 to 7.0 percent of hydrochloric acid and the balance of deionized water. Through the flux, the tinned copper wire has uniform coating, tight structure and excellent performance, and environmental pollution and resource waste are not caused.

The invention relates to a lavender grey glaze. After raw materials of the lavender grey glaze are proportioned according to the prescription, the ball milling, sieving and de-ironing procedures are carried out to obtain slurry. The raw material comprises dehydrated and dried powder. By introducing talc, chromic oxide and the like into the raw materials, the invention solves the problems of easy burnt blistering and smoke absorption in the high-temperature roasting process of the traditional lavender grey glaze ceramic. The glaze surface is green, smooth, fine and beautiful, the color is pure, and the ceramic is clean and similar to jade. The invention also discloses a method for manufacturing the ceramic products by using lavender grey glaze, and the lavender grey glaze ceramic finished product manufactured by the method has the advantages of high yield rate, good density and strong acid and alkaline corrosion resistance property.

The magnetic nylon-6 short fiber is made with magnetic functional agglomerate and nylon chip in the weight ratio of 1 to 5-10. The magnetic functional agglomerate includes functional powder, carrier chip, dispersant, coupler and antioxidant in certain weight proportion. The making process of the magnetic nylon-6 short fiber includes the following steps: 1. preparing the magnetic functional agglomerate through preparing functional powder of Fe3O4, drying and activating the functional powder, mixing the functional powder with carrier chip, dispersant, coupler and antioxidant in certain weight proportion via high speed stirring, cooling the mixture to room temperature, and extruding and pelletizing in extruder; and 2. producing magnetic nylon-6 short fiber through mixing magnetic functional agglomerate and nylon chip, spinning the mixture, winding, bundling, drafting, dewatering, crimping, setting and cutting.

The invention provides a straw rubbing process, which comprises the following operating steps: 1) carding raw material straws, removing sundries, such as broken pieces and the like, and cutting fringe pulling ends away; 2) rolling the straws with a continuous roll squeezer; 3) softening the straws with vapor; 4) drying the straws and controlling water content; 5) rubbing the straws with a straw rubbing machine to obtain straw threads and removing dust during the rubbing process; and 6) screening the straw threads to extract the straw threads with lengths not less than 5cm and diameters of 1 to 3mm. The process has the advantages of simple operation, easy implementation, low cost, high efficiency, no pollution to the environment, relatively longer silky fibers and high mechanical strength, and is mainly used for manufacturing products, such as a vegetation carpet, a green pad and the like.