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104results about How to "Flexible texture" patented technology

Method for producing nano-fibre bracket material with levorotation polylactic acid as base material

The invention relates to a method for preparing a nanofiber bracket material using levorotatory polylactic acid as matrix. The method comprises the following steps: dissolving the levorotatory polylactic acid as the matrix in a solution of dichloromethane and dimethyl formamide, and stirring and centrifuging the mixture to obtain an electrostatic spinning solution; placing a polylactic acid solution into a 5 milliliter glass syringe, and applying high voltage on the glass syringe; advancing the levorotatory polylactic acid solution in the glass syringe; preparing the mixed solution into a nanofiber material film through a electrostatic spinning technology; and modifying the nanofiber material film to obtain the nanofiber bracket material of which the fiber diameter is between 50 and 500 nanometers and the fiber porosity is more than 90 percent. The method solves the defects that a PLLA porous bracket still has too long degradation time, and degradation products can cause tissue inflammations easily and the like. The method has the advantages of flexible texture, better water permeability and air permeability, excellent tissue compatibility, controllable biodegradability, and no antigenicity.
Owner:THE AFFILIATED DRUM TOWER HOSPITAL MEDICAL SCHOOL OF NANJING UNIV

Biophysical method for removing endopleura of walnut

The invention provides a biophysical method for removing the endopleura of a walnut. The walnut with the shell is soaked by tap water for 12 to 24 hours, the shell is removed, the kernel is taken out, pectinase with the activity being 30000 IU is dissolved into disodium hydrogen phosphate-citric acid buffer liquid with the pH being 3.2 to 3.8, and 3 percent to 5 percent of pectic enzyme liquid is prepared and is heated to 50 DEG C. The soaked walnut kernel is soaked in the pectic enzyme liquid and is placed into an ultrasonic generator with the power being 250W and the work frequency being 40KHZ, the enzymolysis and the ultrasonic treatment are carried out for 2.5 to 5 hours at the constant temperature being 50 DEG C, the walnut kernel is fished out and is sprayed and flushed by flowing water with the pressure being 7 to 10 MPa until the endopleura is completely removed, the walnut kernel with the advantages that the color and the luster are opacified, the kernel fruit is complete, the texture is flexible, the mouth feeling and the flavor are pure and sweet as those of the fresh walnut kernel can be obtained, and when the walnut kernel is in vacuum package and freezing storage, a fresh walnut kernel storage method is obtained. The biophysical method adopts the advanced biological enzyme technology to be combined with the ultrasonic physical technology and has the obvious characteristics that the operation is simple, the processing condition is mild, no chemical pollution exists, the kernel and the nutrition are kept complete, and the sensory quality is good.
Owner:BEIJING UNION UNIVERSITY

Medicine carrying method of medical sponge

InactiveCN102078639ASubsequent processing is simpleEasy to industrializeAbsorbent padsBandagesCross-linkControlled release
The invention discloses a medicine carrying method of a medical sponge. In the method, a macromolecular compound with a medicine slow release or controlled release effect is used as a carrier for coating a medical compound with a therapeutic function, the holes of the medical sponge are used for adsorbing a mixed solution carrying medicines and the carrier, and simultaneously, a compound with a physical or chemical cross-linking effect on the carrier macromolecular compound is added to be dried and sterilized to obtain a medicine carrying medical sponge. The medicine carrying medical sponge prepared by the method can be cut into a proper size according to the size of an operation cavity to be put into a corresponding position, so that the ambient pressure is balanced, and the damage to the mucous membrane of the operation cavity is small. The medicine carrying medical sponge prepared by the method disclosed by the invention has good biocompatibility and adhesivity, has an active function of promoting wound healing, has a hemostatic effect and a better medicine slow release effect, can be combined with partial antibacterial medicines for treating infection, can relieve the pain and discomfort of a patient, can be possibly used for replacing imported products, and has obvious social and economic benefits.
Owner:许高琴 +1

High-temperature-resistant silicone rubber foam material and preparation method thereof

The invention discloses a high-temperature-resistant silicone rubber foam material and a preparation method thereof. The preparation method of the high-temperature-resistant silicone rubber foam material is characterized by comprising the following steps: mixing 100 parts of silicone rubber base stock, 20-35 parts of a reinforcing agent, 2-3 parts of a structure controlling agent, 0-0.2 part of colour master batch, 60-150 parts of a pore-forming agent and 4-5 parts of a radiation sensitizer, moulding, crosslinking through gamma ray radiation, forming pores through subsection dissolving-out, and drying, so that the silicone rubber foam material which is resistant to high temperature of 250 DEG C and still maintains excellent performance after equivalent time of 20000 hours can be obtained. The preparation method of the high-temperature-resistant silicone rubber foam material has the advantages that radiation crosslinking and dissolving-out pore forming are combined, so that crosslinking is uniform, control is easy, energy conservation and environmental protection are realized, a technology is concise, reproducibility is good, and production efficiency is high; the high-temperature-resistant silicone rubber foam material still maintains high tensile strength, high weight loss, low longitudinal deformation and low surface hardness after the equivalent time of 20000 hours at the temperature of 250 DEG C, permanent compressive deformation is slightly increased, the high-temperature-resistant silicone rubber foam material does not become brittle or hard, and the high-temperature-resistant silicone rubber foam material can serve as filling and positioning, sealing cushion, cable insulation as well as buffer and vibration-absorptive materials or parts which are used in high-temperature environment.
Owner:INST OF NUCLEAR PHYSICS & CHEM CHINA ACADEMY OF

Manufacturing method for ultra-high molecular weight polyethylene staple fiber yarn and viscose blended tooling fabric

The invention discloses a manufacturing method for an ultra-high molecular weight polyethylene staple fiber yarn and viscose blended tooling fabric. The high-level tooling fabric adopts yarn formed by blending ultra-high molecular weight polyethylene staple fiber and viscose as raw materials and manufactured through a weaving production method. The method comprises the specific steps that warp and weft form piled yarn through plying and doubling of the ultra-high molecular weight polyethylene staple fiber yarn and viscose blended yarn, a warp beam is manufactured through sectional warping, the ultra-high molecular weight polyethylene staple fiber yarn and viscose blended tooling fabric is produced on a gripper loom, and a finished product is obtained through dyeing treatment after off-machine finishing. According to the method, the technological process is simple, the production efficiency is high, the product quality is stable, the warp tensile strength of the fabric reaches more than 1500 N, the weft tensile strength reaches more than 1000 N, the warp and weft tearing strength is larger than 60 N, the air permeability reaches more than 80 mm/s, the moisture permeability reaches 180 g/m<2>.h, and various color fastnesses reach more than 4 grades.
Owner:IANGSU COLLEGE OF ENG & TECH

Underground bionic honeycomb granary

ActiveCN102287068AAdvanced ideasReasonable and unique structureAgricultural buildingsClimate change adaptationBrickAgricultural engineering
The invention belongs to the technical field of grain storage, and in particular relates to an underground bionic honeycomb granary and a grain storage method. The granary is designed through the reference and absorption of the original ecological honeycomb structure principle and comprises a granary body positioned below the ground surface, wherein the granary body consists of a plurality of rows of honeycomb silos among which gaps are formed in the transverse direction; each row of honeycomb silo comprises a plurality of silos which are tightly arranged along the longitudinal direction in turn; a silo upper opening is formed at the upper end of each silo and is provided with a closed cover; each silo comprises a reinforced concrete layer or a brick-concrete masonry layer; a polyethylenefilm layer is arranged in each silo; a spodosol layer is backfilled in an outer wall gap of each silo; and soil or sandstone or a soil and sandstone mixed material is backfilled among the spodosol layers. Grain is stored in the polyethylene film layers and isolated from outside, so that four ecological factors such as moisture, temperature, oxygen and light rays which can cause the deterioration of the stored grain are inhibited from the source, the stored grain is free from insects, mildew, rat damage, fires, floods and earthquakes, and the shelf life of the stored grain is prolonged by morethan one time.
Owner:蔡天印

Processing method of preserved Haihong fruit

The invention discloses a processing method of preserved Haihong fruit. The processing method comprises the following steps of: after cleaning and denucleating Haihong fruit, soaking the Haihong fruit in an aqueous solution of a hardening and color-protecting agent at 50 DEG C for heat preservation and digestion; then putting the Haihong fruit in boiling water for blanching, washing by using clear water and draining; putting the drained Haihong fruit into saccharifying liquid for saccharifying, and after the saccharifying is completed, soaking the Haihong fruit in the saccharifying liquid; fishing out the soaked Haihong fruit, draining, and microwave vacuum drying. The preserved Haihong fruit prepared by the processing method is full in shape, bright red and lucent in color and luster, flexible in texture, rich in fruity flavor and low in browning degree, and does not contain sulfur residue or cause harm to the human health. The processing method is easy and feasible in processing flow, and can be used for inhibiting the Maillard non-enzymatic reaction of the Haihong fruit by adopting the microwave vacuum drying, greatly reducing the drying time, shortening the production cycle, reducing the energy consumption in production, and improving the appearance and the taste of the preserved fruit, and can be applied to the development of Haihong fruit resources.
Owner:西安春和方进出口贸易有限公司

Preparation method of ultra-strong flame-retardant special protective garment fabric

The invention discloses a preparation method of an ultra-strong flame-retardant special protective garment fabric. The ultra-strong flame-retardant special protective garment fabric is prepared from yarns, which are formed by blending ultra-high molecular weight polyethylene short fibers and flame-retardant polyester fibers and is taken as a raw material, by virtue of a weaving production method. The preparation method comprises the following steps: combining wefts and warps, which adopt blended yarns of ultra-high molecular weight polyethylene short fibers and flame-retardant polyester fibers, into strands and twisting the strands into plied yarns; then performing sectional warping to obtain a live axle so as to produce an ultra-strong flame-retardant special protective garment fabric blank on a gripper loom; discharging and performing fabric finishing; and then performing dyeing treatment, thereby obtaining a finished product. The prepared ultra-strong flame-retardant special protective garment fabric is capable of giving full play to the unique excellent performance of the ultra-high molecular weight polyethylene fibers; if the stab-resistant anti-cutting performance of the ultra-strong flame-retardant special protective garment fabric is required to be enhanced, the use amount of the ultra-high molecular weight polyethylene short fibers in the blended yarns can be increased.
Owner:黑龙江省锟龙泽医药有限公司

Spray cleaning device for water-washing type air purifier and corresponding air purifier

The invention provides a spray cleaning device for a water-washing type air purifier. The spray cleaning device for the water-washing type air purifier comprises a motor unit, a water suction unit anda drainage unit, wherein the motor unit is connected with the water suction unit; the water suction unit is arranged inside the drainage unit; the motor unit comprises a motor and a motor fixing plate; the motor is arranged in the motor fixing plate; a central hole is formed in the motor fixing plate; the motor shaft of the motor penetrates through the central hole and is connected with the watersuction unit; the motor fixing plate is provided with an air outlet hole; the whole water suction unit is in the shape of an inverted circular truncated cone formed integrally and comprises a circular-truncated-cone-shaped portion and a tubular portion; a shaft hole is formed in the circular-truncated-cone-shaped portion; the motor shaft is inserted in the shaft hole; a plurality of water spraying holes which are arranged in the circumferential direction are formed in the side wall of the upper portion of the tubular portion; and a plurality of baffles are arranged on the bottom of the circular-truncated-cone-shaped portion. The invention also provides a corresponding air purifier. The spray cleaning device and the corresponding air purifier are simple in manufacturing mold, low in production cost and good in purification effect.
Owner:北京智享新科技有限公司

Multifunctional thermoplasticity aramid fiber bulletproof tablet and bulletproof spine-resistant clothes thereof

The invention belongs to the field of protective equipments, in particular to a multi-functional thermoplastic aramid fiber bullet-proof slice and a bullet-proof and stab-proof vest. The invention mainly solves the technical problems of low bullet-proof and blunt trauma-proof functions, and no stab-proof function existing in soft aramid fiber bullet-proof materials in the prior art, and provides a multi-functional thermoplastic aramid fiber bullet-proof slice and a bullet-proof and stab-proof vest not only with better bullet-proof and blunt trauma-proof functions, but also with very good stab-proof function. Meanwhile, the invention also solves the difficulties of high water and moisture absorption rate, and easiness in photodecomposition of the aramid fiber bullet-proof cloth in the prior art. The provided multi-functional thermoplastic aramid fiber bullet-proof slice and a bullet-proof and stab-proof vest has the functions of permanent water and moisture proof, and prevention of photodecomposition. The main technical proposal of the invention is that the aramid fiber bullet-proof cloth is composited with the thermoplastic resin; the resin evenly penetrates on the surface of the aramid fiber bullet-proof cloth and fills in the pores of filament bundle binding points, and is shaped into a multi-functional thermoplastic aramid fiber bullet-proof slice through thermoplastics.
Owner:申屠年

Dyeing method for cool ultrahigh-molecular-weight polyethylene bedding

The invention discloses a dyeing method for cool ultrahigh-molecular-weight polyethylene bedding. The dyeing method comprises the following steps: weaving; pre-setting; cold dyeing; washing and dehydrating; baking; and preparation of a finished product. The method gives full play to the respective performance advantages of ultrahigh-molecular-weight polyethylene and viscose fibers and allows the functions of ultrahigh-molecular-weight polyethylene and viscose fibers to complement each other for development of a high-grade cool bedding fabric; and ultrahigh-molecular-weight polyethylene and viscose fibers are blended according to a ratio of 35: 65, blended yarns with fineness of 18.5 tex are used as a raw material for warp and weft yarns, and reasonable fabric specification and process design are selected, so a prepared product has a smooth cloth surface, moisture-absorption performance, air permeability and soft and tough texture, feels cool and comfortable, can be easily to clean andis a high-grade fabric for summer quilts. According to the invention, only 65% of viscose fibers are dyed, so fried-dough-twist-like dyeing effect is obtained, and the problem that ultrahigh-molecular-weight polyethylene cannot be dyed is overcome. The dyeing method employs a cold dyeing process, does not need heating during dyeing, saves energy, reduces cost, and is clean and environment-friendlyin production.
Owner:IANGSU COLLEGE OF ENG & TECH
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