131results about How to "Guaranteed strong" patented technology

A system, a computer readable storage medium, and methods for delivering content from a zero-knowledge edge server node in a content delivery network to an end user device, ensuring content control by a content provider (i.e. reduce piracy) while ensuring privacy of an end user device. One method includes publicizing that a particular content is available for download from the server node; initiating with the server node a communication session using a zero-knowledge protocol between the end user device and the server node operating in zero knowledge; downloading, while in the communication session, the particular content from the server node to the end user device; and receiving a response message from the end user device, including an indication of a content media player application, using the particular content, successfully executed at the end user device. The indication can be accompanied by a cryptographically verifiable proof of integrity.

The invention relates to technology for dyeing and finishing real silk/corn fabric. In order to solve the technical problem, the invention provides the provided technology for dyeing and finishing which can effectively improve the dye uptake of the corn fiber and the color fastness of the fabric, and maximize the strength of the corn fiber and the fabric. The technical scheme of invention is that: the technology for dyeing and finishing the real silk/corn fabric comprises the processes of bleaching, dyeing and heat shaping in turn. The technology for dyeing and finishing the real silk/corn fabric is characterized in that: 1) the bleaching (refining) process comprises steps of pretreating, enzyme scouring, and second scouring; 2) the dyeing process comprises steps of dyeing, reduction clearing, and water washing, wherein staining solution comprises a disperse dye and a reactive dye, or the dyeing process comprises steps of disperse dye dyeing, reduction clearing, water washing, reactive dye dyeing, soap boiling and water washing; and 3) the heat shaping process comprises steps of padding soft solution and heat shaping, wherein the enzyme scouring in the bleaching process adopts neutral enzyme scouring or alkaline enzyme scouring; the staining solution of the disperse dye comprises 0 to 2 g/L of darkening agent DL-6; and the fabric dyed by the disperse dye needs to be washed by adopting acid reduction technology.

The invention discloses a method for preparing a banana bast fiber by adopting biological degumming, which is characterized by comprising the following steps of: preprocessing, inoculating, fermenting, inactivating, stamping and postprocessing. The prepared banana bast fiber has soft and loose appearance and uniform color and has no taste or obvious flaws; the fiber length is 80mm-200mm, the fiber count is 300Nm-500Nm, the breaking strength of fiber bundles is 3.5g/D-5.0g/D, and the residual gum content is 1.5 percent-3.2 percent. The biologically degummed banana bast fiber effectively removes the non-spinnable components of colloid, lignin, hemicellulose and the like and keeps the bacteria proofing, rapid moisture absorption and release of the self characteristics of the fiber, thereby ensuring the strength of the fiber; meanwhile, the banana fiber is kneaded and rolled by sterilization and machines before degumming, thereby ensuring the degumming effect and the smooth going of degumming and enabling the degummed fiber to be beneficial to the production and production development of the next working procedure.

In accordance with an aspect of the invention, leakage prevention is implemented by: a) associating—within a network—a unique identifier with a packet transmitted by a process which has previously accessed data containing sensitive information, and b) searching a packet before it exits a network for the unique identifier. This mechanism provides a strong guarantee against leakage of sensitive data out of a network by facilitating the monitoring of packets which potentially contain the sensitive information. The unique identifier may be located in the header of the packet, which is detectable without requiring a heavy investment of network resources. Additionally, a packet's movement within a network may be tracked by analyzing trapped system calls. Furthermore, an exiting packet may be analyzed by a network firewall, the firewall utilizing various policies to determine how to proceed when a packet containing a unique identifier is located.

The invention relates to an antifelting finish method of wool knits combining plasma and bio-enzyme, comprising the steps that: wool washing, plasma treatment, protease treatment, water washing, Transglutaminase treatment, water washing, and drying. The invention can lead wool knits to reach machine washable standard (with a felting rate less than 2 percent) while the intensity is ensured (intensity damage is less than 10 percent), and has little damage during the finish process, with safety and environmental protection performance, and is an energy-conservation and clean wool post-treatment technique.

The invention relates to a polytetrafluoroethylene punched felt. From the outside to the inside, the structure of the punched felt comprises a polytetrafluoroethylene crimped staple layer, a polytetrafluoroethylene filament base fabric and a polytetrafluoroethylene crimped staple layer, wherein the thickness of the punched felt ranges from 0.8 to 1.8 millimeters; polytetrafluoroethylene crimped staples mutually hooked and crossed are inserted in the base fabric from upside and downside and tightly connected with the base fabric. The punched felt produced by the invention has the advantages of stable chemical properties, high filtering effect, high strength, low heating shrinkage, low material consumption, low cost, no smoke pollution and the like.

The elastic knitted underwear fabric of blended cotton fiber and viscose fiber is woven with the materials including cotton fiber in 72-77 wt%, superfine viscose fiber in 19-25 wt% and elastic polyurethane fiber in 3-7 wt%, and through the technological process including frame spinning with cotton fiber and superfine viscose fiber to obtain 40S combed blended cotton-viscose yarn, yarn steaming, knitting the blended cotton-viscose yarn and elastic polyurethane fiber in a single-sided large circular weaving machine to obtain the underwear fabric, and final polishing to eliminate hairs biologically with enzyme. The elastic knitted underwear fabric has improved fluffing and balling up performance, smooth surface, fully handling and high wearability.

The invention relates to multi-functional fancy yarn and a spinning method thereof; the fancy yarn comprises core yarn, decorative yarn and fixed yarn; the core yarn is polyester fiber with infrared functional nano powder, the decorative yarn is polyester fiber with nano bamboo charcoal, and the fixed yarn is viscose fiber with pearl nano powder. The spinning steps of the fancy yarn are as follows: (1) the raw material fiber of the core yarn, the decorative yarn and the fixed yarn are respectively processed into roved yarn; (2) the roved yarn of the decorative yarn and the fixed yarn are fed on a special spinning machine at the same time to prepare bobbin yarn after drafting, twisting and packaging by roved yarn blending, and prepare into cone yarn 1 through a winding procedure; (3) the roved yarn of the core yarn is separately spun into spun yarn in the spinning machine, and prepared into cone yarn 2; (4) the cone yarn 1 and the cone yarn 2 are fasciated together to prepare the fancy yarn, and the fasciating method is adjusted according to product purposes to obtain fancy yarn in different types.

The invention discloses a detection and therapeutic device and remote monitoring shoes. The detection and therapeutic device comprises a power supply module (a) which is connected with modules with electricity needs and used for powering the modules, a main processor module (b) which is used for collecting and processing signals from sensors and controlling working status of an automatic injection module (d), a detection sensor module (c) which comprises a plurality of sensors in connection with the main processor module (b) and is used for examining nerves, organs or secretions and sending back the results to the main processor module (b), an automatic injection module (d) which comprises a plurality of automatic injectors in connection with the main processor module (b) and is used for administrating according to signals for controlling from the main processor module automatically. The detection and therapeutic device can be used independently or can be paired with daily goods, such as shoes and the like. According to this arrangement, health condition can be detected at any time and automatic therapies can be achieved as sudden illnesses occur, and therefore, health risks can be reduced.

The invention discloses a waterproof cloth surface flexible composite material and a preparation method thereof. The waterproof cloth surface flexible composite material is characterized in that one surface of a super-hydrophobic fabric is bonded with a plastic film by using an adhesive to obtain the washable waterproof cloth surface flexible composite material. The preparation method comprises the following steps of diazotizing a fluorine-containing alkyl aniline monomer in a dilute acid solution of sodium nitrite to form fluorine-containing alkyl benzene diazonium salt; carrying out reduction reaction on the fluorine-containing alkylbenzene diazonium salt under the action of a reducing agent to obtain a fluorine-containing alkylbenzene free radical monomer; and carrying out in-situ single-electron free radical covalent graft polymerization reaction on the fluorine-containing alkylbenzene free radical monomer in the fabric fiber to obtain the super-hydrophobic fabric. As the super-hydrophobic fabric obtained through chemical grafting, the fiber surface coating is combined with the fiber through covalent bonds, so that the super-hydrophobic fabric has excellent fastness, the flexibility and the hand feeling of the fabric are not influenced, and the problems of poor fastness and poor hand feeling of the super-hydrophobic fabric obtained through methods such as the coating are solved.

The invention relates to the field of chemical fiber materials and discloses a preparation method for euphausiid protein regenerated cellulose fibers. The preparation method comprises the following steps: preparing a mucilage glue solution for later use; preparing a pre-cross-linked euphausiid protein solution: sequentially adding a sodium hydroxide solution, euphausiid protein and lignin sulfamic acid; agitating at 50-70 DEG C for 4-6 hours; cooling to 35-45 DEG C, keeping the heat and filtering to obtain a filtering solution, namely the euphausiid protein solution; adding a cross-linking agent into the euphausiid protein solution and keeping the heat at 35-45 DEG C to react for 0.4-0.6 hour to prepare the pre-cross-linked euphausiid protein solution; and mixing the mucilage glue solution, the pre-cross-linked euphausiid protein solution and the cross-linking agent and spinning. The fibers prepared by the preparation method have good strength; the strength of the fibers is enhanced; meanwhile, the hand feeling and the luster of the fibers are improved and the fibers can be used as raw materials of a textile industry.

The invention discloses a dyeing and finishing process of a bamboo-cotton blended fabric. The dyeing and finishing process comprises the following steps: boiling and bleaching, namely preparing boiling and bleaching liquid, and boiling and bleaching the bamboo-cotton blended fabric in the boiling and bleaching liquid; dyeing, namely adjusting the pH value of the boiling and bleaching liquid to 7, taking out the bamboo-cotton blended fabric, putting the bamboo-cotton blended fabric and dyeing liquid into a dyeing machine, adding 10-15g of sodium carbonate into every litre of dyeing liquid, firstly heating the dyeing liquid to 90-95 DEG C, maintaining the temperature for 20-30 minutes, then heating the dyeing liquid to 95-130 DEG C, maintaining the temperature for 30-40 minutes, then cooling to 65-70 DEG C, and carrying out slow fixation; cleaning and reduction, namely adding cleaning liquid into the dyeing machine, and washing for 25-30 minutes at the temperature of 55-70 DEG C; and after treatment, namely putting the cleaned and reduced bamboo-cotton blended fabric into glacial acetic acid bath, and treating for 10-15 minutes at the temperature of 40-45 DEG C. The bamboo-cotton blended fabric processed by the dyeing and finishing process disclosed by the invention has original good bacteriostasis rate and bacteriostasis value of bamboo fiber, and also maintains original breathability, absorbency and elasticity of cotton fabric.

The invention discloses a bamboo fiber fabric dyeing and finishing process. The bamboo fiber fabric dyeing and finishing process comprises the following steps of: scouring and bleaching, namely scouring and bleaching a bamboo fiber fabric with a bamboo fiber fabric solution and drying; after drying, pre-shaping; pre-treating, namely desizing a pre-shaped textile; dyeing, namely immersing the fabric with 75wt% ethanol; adding the bamboo fiber fabric solution into an active dyestuff to prepare a dyeing solution; immersing the bamboo fiber fabric with the dyeing solution; putting the dyed bamboo fiber fabric into a reducing washing solution to be subjected to reduction and washing; washing the bamboo fiber fabric with clean water; after-finishing, namely putting the dyed textile into a hydrophilic amino silicon softening agent and padding; after padding, adding bamboo-vinegar liquor to prepare a finishing solution and then carrying out after-finishing; and tentering, namely drying the textile subjected to the after-finishing and tentering and shaping. By improving a scouring and bleaching method and a formula of the scouring and bleaching solution, strength damages of fibers are reduced; the pre-treatment has desizing and scouring effects and the strength of the bamboo fibers does not have relatively large loss; a dyeing process guarantees good dyeing effect and dyeing fastness and the surface of the finally produced textile is flat; the color and luster are uniform and the dyeing fastness of the dyestuff is high.

By aiming at the defects of low strength and poor velvet effect of the velvet fabric in the prior art, the invention provides a strong-velvet-effect and good-strength velvet fabric blank, a velvet fabric and a preparing method of the velvet fabric. The velvet fabric blank is formed by interweaving warp yarns and weft yarns, wherein the warp yarns and the weft yarns have comparative tissue floating points, or one side of the fabric is mainly provided with warp yarn tissue floating points, the other side of the fabric is mainly provided with weft yarn tissue floating points, the warp yarns are chinlon, the weft yarns are composite yarns of modified high-shrinkage chinlon and ordinary dacron, the velvet fabric is prepared from velvet fabric blank through the steps of a, desizing, b, dyeing and c, drying and hot shaping. The velvet fabric prepared by adopting the method provided by the invention has the advantages that the high-shrinkage chinlon and dacron composite yarn monofilament F number is sufficiently untwisted into 16F, so that the 50D/384F to 75D/384F microfiber composite fiber is obtained. In the dyeing process, the fiber microfiber ingreidnets are subjected to sufficient shrinkage, and the finally obtained fabric has good velvet effects and good strength.

The invention discloses a three-layer composite marine rope and a manufacture method thereof, and relates to the field of ropes. The three-layer composite marine rope comprises a main rope (1), a sand prevention protection layer (2) and a wear-resistant layer (3), wherein the main rope (1) is formed by knitting a plurality of ultra-high molecular weight polyethylene fiber sub ropes (11) in parallel; the sand prevention protection layer (2) is a piece of non-woven fabric and wrapped on the main rope (1); the wear-resistant protection layer (3) is arranged to be a protection cover formed by knitting polyester fibers and wrapped at the external part of the sand prevention protection layer (2). The three-layer composite marine rope is simple in manufacture process, convenient to operate, high in strength, low in elongation, corrosion-resistant and long in service life.

The invention discloses a method for processing the fabric of a surgical gown with a permeability-resisting protection function. The method comprises the steps of nano-sol pretreatment, low-temperature normal-pressure air plasma treatment, chemical permeability resisting agent treatment and ultraviolet radiation. The fabric processed by the method disclosed by the invention achieves the effects of resisting the permeability of blood, alcohol, water and the like, and meets the protection requirements of the fabric of the surgical gown: the water repellency level is 8, the oil repellency level is 7, the alcohol repellency level is 10, the blood contact prevention angle is 126.2 DEG, the strong retention rate is 92.6%, and the permeability retention rate is 95.3%.

The invention provides a dyeing and finishing processing method for real silk/cotton interweaved fabric. The method includes the procedures of fabric turning, enzyme desizing, enzyme refining, enzyme polishing, blanching, printing or dyeing, washing, softening and shaping, calendaring and preshrinking on gray fabric in sequence. In the enzyme refining procedure, cellulosic fiber refining enzymes and silk protein refining enzymes need to be added; in the enzyme polishing process, cellulose polishing enzymes need to be added. According to the dyeing and finishing processing method, the processing process of the cellulosic fiber refining enzymes, the silk protein refining enzymes and the cellulose polishing enzymes is adopted, the obtained real silk/cotton interweaved fabric is good in cloth cover glossiness, low in strength damage, natural and comfortable in hand feeling and good in dimensional stability and napping and pilling performance.