709results about How to "Soft" patented technology

The invention discloses a preparation method of a large-area surface enhancement raman scattering substrate. The preparation method comprises the following steps: at first, the surface of a hard solid material is irradiated by femtosecond laser to prepare a large-scale hard microstructural mother set; then, polydimethylsiloxane (PDMS) is poured on the hard microstructural mother set by the nanoimprint lithography technology, and the structure on the hard microstructural mother set is copied to prepare a PDMS framework; and finally, a gold film is plated on the PDMS framework to prepare the PDMS surface enhancement raman scattering substrate. The experiment results show that the preparation method has the advantages that the enhancement factors are high, enhancement factors in different positions of the substrate have good uniformity, the large-area surface enhancement raman scattering substrate can be prepared, the mother set can be repeatedly imprinted, the production cost is reduced, and in addition, god is taken as raman enhancement metal, so that the defect that silver is oxidized very easily is avoided.

A soil repellency aqueous dispersion for treating various fibers, yarns, and textiles is disclosed. The dispersion provides superior soil resistance when compared to known fluorochemical and silicone fiber treatments. The dispersion comprises clay nanoparticle components and fluorochemicals that can be applied to the fibers, yarns, and textiles using known methods.

The invention relates to the technical field of textile printing and dyeing, and provides a dyeing technology of a nylon-imitating high-elastic polyester yarn. According to the dyeing technology, by combining of low-elastic polyester and twisting into high-elastic polyester, the nylon yarn dyeing problem can be solved and an elastic hand feeling effect of the nylon yarn can be achieved, and the dyeing technology comprises a polyester yarn dyeing preprocessing process, a yarn reeling process, high temperature preforming, a dyeing process, a reduction cleaning process, a finishing process and a dehydration drying process.

The invention relates to label tapes and production methods thereof, particular to a bamboo fiber label tape and a production method thereof. The label tape comprises a base cloth layer and an adhesive layer, the thickness of the label tape is in a range of 0.280-0.300 mm, the base cloth layer is made of a 100% bamboo pulp fiber material, the count of bamboo pulp fiber yarn forming the base cloth layer is 16-40, the warp density is 28-45 warps/cm, and the weft density is 19-35 wefts/cm. The production method comprises the steps of selecting a bamboo fiber semi-finished product as base cloth; performing anti-crease finishing; subjecting the base cloth to two-time immersion and two-time rolling treatment; performing pre-calendering treatment: a calendering surface is a stain-weave surface, the calendering temperature is 50 DEG C to 60 DEG C, the pressure is 10MPa to 12MPa, the calendering speed is 30 m/min to 35 m/min, and the thickness of the base cloth is calendered into 0.285 mm to 0.295 mm; performing coating treatment: a dry type coating method is adopted, coating a plain-weave surface of the base cloth with adhesive, scraping pulp by pulp scraping equipment, the adhesive spread is controlled within 5 g/m<2> to 10 gm<2>, and the total weight is 144 g/m<2> to 148 g/m<2>; and performing post-calendering treatment: the calendering temperature is 70 DEG C to 120 DEG C, the pressure is 10MPa to 12MPa, the calendering speed is 30 m/min to 35 m/min, and the thickness of the coated cloth is calendered into 0.280 mm to 0.300 mm. The label tape touches soft and can be used as a sewn-in label.

The invention relates to a method for plasticizing animal and plant specimen, belonging to field of preserving animal and plant body or part of them. The invention is to provide a method for plasticising animal and plant specimen taking carbowax as plasticising agent. The project comprises sterilization, cleaning and plasticising, and during plasticising process, the expected specimen is immersed into carbowax, the concentration of which is increased gradually from 10% to 100%, to make the carbowax replace water in specimen. The invention is applied for preparing animal and plant specimen. The invention is characterized by the nontoxic and non-corrosive specimen and non use of preservative agent.

A method of producing a polyurethane foam sheet, and a laminated sheet that uses such a foam sheet, that can be applied to artificial leather, synthetic leather, and cushioning materials used in all manner of applications. A polyurethane foam sheet is produced by applying a liquid mixture, obtained by mixing together a heated and melted hot melt urethane prepolymer (A) containing isocyanate groups at molecular terminals, and a compound (B) containing at least 2 active hydrogen atom-containing groups, onto a substrate in a sheet-like manner, and then water foaming the liquid mixture by bringing the sheet-like liquid mixture into contact with water vapor or moisture (water). A laminated sheet is produced by bonding a third substrate to the polyurethane foam sheet.

The invention discloses a chloroprene rubber gasket with high abrasion resistance. The chloroprene rubber gasket comprises the following raw materials in parts by weight: 135-145 parts of chloroprene rubber (CR)121, 10-15 parts of butyl rubber CBK139, 20-25 parts of low density polyethylene, 3-5 parts of acetyl triethyl citrate, 2-5 parts of dibutyl maleate, 1-2 parts of isooctyl dimercaptoacetate di-n-octyl tin and the like. The chloroprene rubber gasket has the beneficial effects that the gasket has good high temperature resistance, sealability, flame retardance and corrosion resistance and can work in such medias as acid, alkali and oil for a long time; the volume and hardness of the gasket are small in variation; the gasket does not adhere to metal surfaces; and the gasket has small friction coefficient and good abrasion resistance and has the advantages of softness of bonding with sealing surfaces, good weathering aging and ozone aging resistance, durability and the like.

The invention discloses easy-adhesion copolyester fiber. An acid component forming the copolyester fiber mainly has terephthalic acid structural units. In a dihydric alcohol component forming the copolyester fiber, the content of aliphatic diol structural units comprising side chain and carbon atom number under 6 is 20-90mol%. The fiber has no melting point or low melting point. When the fiber is prepared into fabric and when the fabric is heated by using a common iron or other heating devices, a partial fusion phenomenon occurs to the fabric, and an adhesion effect is provided. The fabric can be used in side locking of positions such as cuffs and trouser bottoms, and can be used in shaping of collars and the like, such that clothes can be provided with certain stiffness.

The invention discloses a high-flame-retardation chloroprene rubber sealing gasket. The sealing gasket comprises the following raw materials, by weight, 135-145 parts of chloroprene rubber CR121, 10-15 parts of butyl rubber CBK139, 20-25 parts of chlorhydrin rubber H75, 10-20 parts of an SG-5 PVC resin, 3-5 parts of tri(2-ethylhexyl)acetocitrate, 3-5 parts of di(2-ethylhexyl)-4,5-epoxy tetrahydrophthalate and 1-2 parts of propylene glycol sebacate. The sealing gasket has the advantages of good high temperature resistance, good sealing performance, flame retardation grade reaching UL94-V0 or higher, good corrosion resistance, realization of long-term working in mediums comprising acids, alkalis, oil and the like, small volume and hardness changes, no adhesion on the metal surface, small friction coefficient, good abrasion resistance, good combination flexibility with a sealing surface, good weather ageing and ozone ageing resistances, durability and the like.

This invention is a hybrid intrastromal corneal ring (“ICR”) comprising at least one outer layer of a physiologically compatible polymer having a low modulus of elasticity, which polymer may be hydratable and may be hydrophilic. The inner portion of the ICR may be hollow or may contain one or more physiologically compatible polymers.

A method for producing an embossed web product comprising at least two plies (V1, V3) bone to one another by gluing, wherein: at least a first of said plies is embossed producing on it a first series of protuberances (P9) and a second series of protuberances (P10), the protuberances of the first series being of greater height than the protuberances of the second series; an adhesive (C) is applied to the protuberances of said first series; the first ply is glued to the second ply (V3), the protuberances (P9, P10) of the first ply projecting inside the web product, towards the second ply (V3). The protuberances of the first and of the second series form in combination with each other complex decorative patterns (D). Each complex decorative pattern is formed by at least a protuberance of the first series and at least a protuberance of the second series. Moreover, the complex decorative patterns are distributed with a density equal to or less than 2 patterns per cm².

The invention relates to the field of function finishing of the fabrics, in particular to a method for preparing polyurethane skin-protecting micro-capsule. The method comprises the following steps: mixing the oil-soluble skin-protecting substance and fatty group or aromatic vulcabond according to the ratio of 1-3:1, and adding the mixture into water solution containing an emulsifying agent at the rotation speed of 1000-10000rpm, emulsifying until the solution becomes an even emulsified disperse system, then adding the poly-diatomic alcohol and catalyzer slowly, stirring for 20-40 minutes at the temperature of 0-30 DEG C, then heating to 60-90 DEG C, and adding 1-5ml chain-extension agent and keeping for 0.5-2 hours to obtain the micro-capsule solution. The synthetic method adopted by the invention does not use any organic solvent. The invention leads the fabrics to have functions of nourishing and moistening as the cosmetics. Furthermore, the raw materials are easy to acquire, the utilization rate is high, the reaction conditions are easy to satisfy and the operation is simple.

The invention relates to an antibacterial fabric detergent and a preparation method thereof. At present, few fabric detergents can achieve the effects of bacteriostasis and sterilization at the same time. The antibacterial fabric detergent is prepared from a nonionic surface active agent, an amphoteric ion surfactant, a solubilizer, a chelating agent, a dirt redeposition resisting agent, and softened water, and has double efficacies of decontamination and sterilization; besides, the antibacterial fabric detergent has the characteristics of removing peculiar smell of textile fabric, restraining peculiar smell from being generated, resisting dirt redeposition, being safe, non-toxic and non-irritating to human bodies, being pollution-free to environment, being low in production cost, and the like.

A hydrogel composition containing as an active ingredient a drug that is transdermally or transmucosally absorbed to produce a drug effect, the hydrogel composition comprising polyvinyl alcohol with a saponification degree of 90-96 mol %, a water-soluble polymer and water, wherein the content of the water-soluble polymer is no greater than 25 wt % and the water content is at least 60 wt %, with respect to the total weight of the hydrogel composition.

The invention discloses a semi-interpenetrating polymer cement-based flexible facing brick, which comprises the following components, by weight part, 10-25 parts of a waterborne epoxy resin emulsion, 3-10 parts of a water-soluble epoxy resin curing agent, 1-5 parts of rubber elastomer, 1-5 parts of a fluorine-containing polyacrylate elastic emulsion, 15-25 parts of cement, 15-25 parts of stone flour, 30-50 parts of quartz sand, 5-15 parts of a fire retardant, 1-3 parts of inorganic pigment and 10-25 parts of water. A manufacturing method of the facing brick comprises: adding the components by weight part to a stirring vessel, performing full stirring to make a thick liquid, injecting the thick liquid to a die, and performing solidification and drying to obtain the facing brick. The manufacturing method is simple, and the obtained flexible facing brick is excellent in mildew resistance, water resistance, seepage resistance, wear resistance, thermal resistance and flexibility, is high in strength, and can be widely applied to building decoration materials.

The invention discloses a method for preparing a modified starch tanning agent, comprising the following steps of: firstly, degrading corn starch; in the presence of HRP (Horse Radish Peroxidase)/ hydrogen peroxide (H2O2), grafting and modifying the degraded starch with sulfanilic acid, gallic acid and nekal; and then oxidizing the grafted starch with periodic acid. The invention has the innovation points that a nekal structure unit is introduced in the starch structure so as to improve the permeation wetting function of the modified starch tanning agent; the gallic acid structure unit is introduced to improve the tanning properties of the modified starch tanning agent, the sulfanilic acid is introduced to increase the dispersivity of the modified starch tanning agent, and dialdehyde action is used for improving the tanning properties of the modified starch tanning agent. The preparation method of the invention is peculiar and practical, and the obtained tanning agent is an environmentally-friendly leather tanning agent and is suitable for primary tanning and retanning. The shrinkage temperature (Ts) of pickled leather after primary tanning can be improved to 75-80 DEG C; and the retanned product has the advantages of wash resistance, high absorption rate on dyes and fatting agents and the like, is soft and plump.

The invention discloses a flexible coal dust foam concrete and a method for preparing the same, and in particular relates to a concrete. The concrete comprises the following main components by weight percentage: 10 to 15 percent of cement; 35 to 65 percent of coal dust; 20 to 45 percent of medium coarse sand; 3 to 4.5 percent of water; 0.1 to 0.3 percent of waterproofing agent; and 1 to 1.5 percent of foaming agent. A mode for blocking the wall surface of a heading by using the concrete is a concrete spraying mode, or a concrete lining mode, or a concrete curtain grouting mode. The flexible coal dust foam concrete is prepared from local materials, makes full use of the coal dust accumulated in the heading by underground drilling to reduce the transportation and construction cost of a supporting material and improve the efficiency and the progress of coal mining excavation, and has small impoverishment effect on coal products; a structural body has excellent impermeability, good leakproofness and integrity; besides, the concrete can be widely used for blocking and preventing seepage for the wall surface of a gas displacement coal-bed methane gas tunnel in coal mines, and also can be applied to supporting surrounding rocks of complex rock stratums or other dynamic pressure tunnels with the characteristics of softness, expansion, rheological performance and the like.