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511results about How to "Hygroscopic" patented technology

Method for preparing flame-proof viscose fiber

InactiveCN101215726ASimple and convenient filteringFilter is not easy to clogFlame-proof filament manufactureMonocomponent cellulose artificial filamentPolymer scienceEmulsion
The invention discloses a process for preparing flame retarding cellulose viscose, which adopts pyrophosphate exchange reaction flame retardant particle whose mean particle diameter is <= 1.0um, non-ionic surface active agent, dispersing agent and solvent water to mix and obtain flame retardant emulsion, each percentage by weight is pyrophosphate exchange reaction flame retardant 20-45 wt%, non-ionic surface active agent 5-10 wt% and dispersing agent 0.5-1.0 wt%, and residue is solvent water. The process for preparation comprises adding pyrophosphate exchange reaction flame retardant of flame retardant emulsion which is corresponded to alpha cellulose 15-30 % into spinning original liquid which is filtered to mix, shaping spinning by adopting spinning bath which is low acid, low salt, low temperature and high zinc. The spinning original liquid of the invention has simple and convenient preparation, fiber does not contain halogen elements, which avoids environmental pollution, when in burning, the invention is not melted, while charring only happens to keep the original shape of fiber, the invention prevents dripping which is melted in high temperature from scalding human body, and flame retardant is distributed evenly in adhesive, which can not smolder after leaving fire and easy to be self-extinguished.
Owner:CHTC HELON

Ethylene propylene diene terpolymer sponge rubber and preparation method thereof

The invention provides an ethylene propylene diene terpolymer sponge rubber and a preparation method thereof, relating to a rubber and a preparation method thereof. The ethylene propylene diene terpolymer sponge rubber is prepared from ethylene propylene diene terpolymer, a foaming agent, a filling enhancer, a plasticizer, molecular sieve powder with a hygroscopic effect, a vulcanizing agent and a vulcanizing aid. The ethylene propylene diene terpolymer sponge rubber is characterized in that the molecular sieve powder is used for replacing traditional talc powder or calcium carbonate to be used as a filling agent, a foaming agent azobisformamide (AC) and a foaming agent 4,4'-oxy bis(benzenesulfonyl hydrazide) (OBSH) are combined and matched with an accelerant, and the decomposing rate of the foaming agent and the vulcanizing rate of the ethylene propylene diene terpolymer are matched, thus a microporous sponge rubber sealing product with a hygroscopic function is prepared under die pressing vulcanization conditions. The tensile strength, elongation percentage, stress at definite elongation, compression set and other indexes of the ethylene propylene diene terpolymer sponge rubber can meet the use performance requirements of sponge sealing strips; and at the same time, the sponge rubber has uniform foam pores, small density and hygroscopic function.
Owner:JINGDONG RUBBER

Antibacterial, moisture-absorbent and warming knitted fabric and manufacturing method thereof

The invention discloses antibacterial, moisture-absorbent and warming knitted fabric and a manufacturing method thereof. The antibacterial, moisture-absorbent and warming knitted fabric has a double-layer structure, wherein an outer layer of the fabric has a mesh structure woven from blended yarns which are blended from cellulosic fibers and nanosilver antibacterial agent-containing profiled polyester fibers; an inner layer of the fabric has a plain structure woven from the nanosilver antibacterial agent-containing profiled polyester fibers; and the inner layer and the outer layer are connected through polyester filaments with grooved sections. The manufacturing method comprises the following steps: for the outer layer of the fabric, manufacturing the mesh structure woven from the blended yarns which are blended from the cellulosic fibers and the nanosilver antibacterial agent-containing profiled polyester fibers; for the inner layer of the fabric, manufacturing the plain structure woven from the nanosilver antibacterial agent-containing profiled polyester fibers; and connecting the inner layer and the outer layer through the polyester filaments with the grooved sections. The antibacterial, moisture-absorbent and warming knitted fabric can meet requirements on moisture absorption for quick drying as well as wearing comfort, can meet an increasingly strong requirement on antibacterial sanitation and has a good warming effect.
Owner:SHANGHAI JIALE

Loofah antimicrobial health-care material and uses thereof

InactiveCN101347131AStrong specific surface areaFast adsorption-desorption speedBiocideDisinfectantsBiotechnologyFiber
The present invention provides four loofah vegetable sponge antibacterial health care materials and the application thereof. The four loofah vegetable sponge antibacterial health care materials are mainly characterized in that the four materials all contain the loofah fiber component and have the approximately same efficacy of antibacterial health care; wherein, material A contains loofah vegetable sponge fiber tablet or loofah vegetable sponge fiber powder, loofah vegetable sponge fiber active carbon or loofah begetable sponge fiber compound active carbon and bamboo pyroligneous antibacterial liquor; material B contains loofah vegetable sponge fiber tablet or loofah vegetable sponge fiber powder and loofah vegetable sponge fiber active carbon or loofah vegetable sponge fiber compound active carbon; material C contains loofah vegetable sponge fiber tablet or loofah vegetable sponge fiber powder and bamboo pyroligneous antibacterial liquor; material D contains loofah vegetable sponge fiber active carbon or loofah vegetable sponge fiber compound active carbon and bamboo pyroligneous antibacterial liquor. The materials of the present invention are taken as the additive in preparing antibacterial health care fiber and textile, washing product, craftwork, vessel, present box and packaging box, sports article, furniture and paint or building decoration material or are used for purifying water and air and absorbing harmful substances.
Owner:袁会文

Sodium ferrous sulfate/graphene composite positive electrode material for sodium ion battery, and preparation method thereof

The present invention discloses a Na2Fe2(SO4)3/graphene composite positive electrode material for a sodium ion battery. The Na2Fe2(SO4)3/graphene composite positive electrode material comprises graphene having a three-dimensional structure, wherein Na2Fe2(SO4)3 is compounded on the graphene surface in an in-situ compounding manner. The invention further discloses a preparation method of the composite positive electrode material. The preparation method comprises: dispersing graphene oxide, a sodium source, a sulfur source and a ferrous salt in water to obtain a suspension, carrying out a hydrothermal reaction on the obtained suspension at a temperature of 90-140 DEG C, carrying out solid-liquid separation on the hydrothermal reaction product, carrying out liquid nitrogen quenching, and drying to obtain a precursor; and carrying out calcination treatment on the precursor to obtain the composite positive electrode material. According to the present invention, the active substance and the carbon substrate are tightly bound, the coating is good, and the good physical and chemical properties are provided; the synthesis method is simple, the condition is mild, and the yield is high; the active substance is uniformly dispersed in the prepared composite material; and with the application of the prepared composite material as the sodium ion positive electrode material, the advantages of high specific capacity, high working voltage, good cycle stability and excellent rate performance are provided.
Owner:CENT SOUTH UNIV

Composite health care pad and manufacture method thereof

The invention discloses a composite health care pad, which comprises a middle layer, wherein an upper surface layer and a lower surface layer are respectively arranged on the upper surface and the lower surface of the middle layer, a layer of blocking layer is respectively arranged between the middle layer and the upper surface layer and/or between the middle layer and the lower surface layer. The upper surface layer and the lower surface layer are non-woven layers containing 5%-50% low-melting-point fibers, and the middle layer is a non-woven layer containing the following components: fibrilia and 5%-50% of low-melting-point fibers. The blocking layers are non-woven layers containing 5%-100% of fibrilia, and the content of fibrilia in the composite health care pad ranges from 5% to 65%. The invention further discloses a manufacture method of the composite health care pad, which includes the following steps: respectively manufacturing the middle layer, the upper surface layer, the lower surface layer and the blocking layers, sequentially overlaying all the layers, and carrying out procedures including drying in a drying oven, cold rolling, cooling, cutting, inspection and packing. The composite health care pad and the manufacture method thereof solve the problems that the existing mattress can become damp and mildewed easily, can be damaged by worms, is apt to be layered, and is poor in ventilation and inconvenient to use caused by the fact that hard fibers in the middle of the mattress prick out.
Owner:JIANGSU REDBUD DYEING TECH CO LTD

Dynamic dehumidification device for drying plastic particles

The invention discloses a dynamic dehumidification device for drying plastic particles, and belongs to the technical field of plastic particle processing. Moisture on the plastic particles is absorbedand dried through magnetic dehumidification balls, and before the magnetic dehumidification balls absorb the moisture, magnet layers can magnetically absorb hollow magnetic balls, and after the magnetic dehumidification balls absorb the moisture to a certain degree, outer moisture absorption expansion layers absorb water and expands to extrude inner elastic magnetic shielding layers, inner elastic magnetic shielding layers are extruded to be tightly attached to the hollow magnetic balls, so that a certain magnetic shielding effect on the hollow magnetic balls is achieved; and the magnetic dehumidification balls are reset inwards under the action of extension springs, and after a drying part is dried and the outer moisture absorption expansion layers lose water, the inner elastic magneticshielding layers expand outwards to weaken the shielding effect on the hollow magnetic balls, when the magnetic attraction force of the magnet layers to the hollow magnetic balls is larger than the tensile force of the extension springs, the magnetic dehumidification balls are pulled to move outwards, reciprocating dynamic movement is matched with a rotating dehumidification cylinder, and the gooddehumidification effect on the plastic particles is effectively achieved.
Owner:林建金

Preparation method of knitted wool-like warm fabric

InactiveCN105332155AGood dissipationHigh pectinWeft knittingBiochemical fibre treatmentYarnPolymer science
The invention relates to a preparation method of a knitted wool-like warm fabric. The preparation method comprises the following steps: (1) raw material selection; (2) spinning technology implementation; (3) weaving technology implementation; (4) printing, dyeing and after-finishing. The knitted wool-like warm fabric is formed by performing the after-finishing, such as knitting, dyeing, carbon grinding and softening, on hemp/cotton/polypropylene fiber blended yarns and polyolefin elastic fibers, namely confirmable elastic fibers, which serve as raw materials. By the adoption of hemp, a product can realize antibacterial, health care and anti-ultraviolet functions; cotton fibers are high in hygroscopicity and spinnability; the polypropylene fibers are poor in heat conductance and high in heat insulation property; by the blending of the three types of fibers, a product has the functions of heat insulation, moisture absorption, breathing, bacteria prevention and ultraviolet resistance; by the weaving of the polyolefin elastic fibers, the product is extremely high in elasticity and conformality. The product is soft, fine, breathable, relaxing, high in heat retention property and suitable for making high-end warm coats or skirts, is a high-quality antibacterial, health care and warm fabric which has a wide market development prospect.
Owner:JIANGSU YDTEX GRP LTD

Bamboo fiber and mulberry silk blended yarn towel and production process thereof

Provided are a bamboo fiber and mulberry silk blended yarn towel and a production process thereof. The bamboo fiber and mulberry silk blended yarn towel comprises a base cloth layer and wool warps, wherein the base cloth layer is formed by body warps and weft yarns, and the wool warps penetrate through interweaving holes formed by the body warps and the weft yarns to form terry layers on one surface or two surfaces of the base cloth layer. The wool warps are blended yarns formed by bamboo fibers and the mulberry silk, and the body warps and the weft yarns of the base cloth layer are pure cotton yarns or pure mulberry silk yarns or blended yarns formed by cotton and the mulberry silk. The production process comprises the steps of yarn warping, warp sizing, machine weaving, dyeing treatment, cutting, sewing and finishing and the like. The towel not only integrates soft and smooth features, good air permeability, moisture absorption and moisture releasability of the bamboo fibers and the mulberry silk and outstanding antibacterial and health-care effects, but also has the advantages of being high in abrasion resistance and strength, long in service life, low in price and the like. The novel product with high quality and price benefits and the appropriate production process of the novel product are provided for towel textile fabrics.
Owner:HUZHOU SICHOUFU TEXTILE
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