34 results about "Vinyon" patented technology

The invention relates the silicon alky cross-linking low-middle-high density vinyon. The components comprises 0.8-3.0wt% silicon alky cross linking agent, 0.02-2.0wt% cross linking initiating agent, 0.02-1.0wt% cross linking catalyst, 0.01-3.0wt% anti-oxidant and 0.05-3.0wt% modified auxiliary agent. The method comprises the following steps: preparing silicon alky grafting material A, mixing A and B materials, handing with extrusion machine to get tubing product, keeping it in water bath at 85Deg.C or vaporium for 8 hours, and getting the product. The invention overcomes the defects of big contraction percentage and degelatinizing phenomena between polythene layer and metal layer; the invention has the advantages of short production circle, stable technology and high rate of finished products.

The invention discloses diaphragm paper for a mercury-free alkaline zinc-manganese dioxide cell, and a preparation method of the diaphragm paper, and belongs to the technical field of fiber-containing paper and a preparation method thereof. A sizing agent comprises the following raw materials in parts by weight: 40-55 parts of superfine nylon fibers, 25-35 parts of tencel fibers and 20-30 parts of pulp fibers; the sizing agent is prepared by dispersing a dispersing agent by adopting a papermaking machine wet-process papermaking technology. The three types of fibers are mixed to prepare an alkaline zinc-manganese dioxide cell diaphragm, so that not only can the physical strength performance of the diaphragm paper be improved and the relatively good alkaline absorption performance can be guaranteed; due to the improvement of the strength of the diaphragm paper, the usage amount of the sizing agent can be properly reduced, so that the quantitation and the thickness fluctuation of the diaphragm paper can be favorably stabilized, and thus guarantee for meeting the use of the mercury-free alkaline zinc-manganese dioxide cell can be provided.

The present invention relates to a method for making a vinyon artificial bone fragment molding implant, and the method comprises the steps of: (a) preparing the raw material: filtrating the thin particle vinyon in initial state, the surface of the obtained particle has a plurality of prominent bulges which is irregular ellipse grain shape; (b) preparing the mold which is composed of a mold frame, a top mold board and a lower mold plate; (c) adding material: spreading the filtrated raw material uniformly in the mold cavity after weighting; (d) orientating the electrostatic: opening the electrical power switch of the electrostatic generator and adjusting the electrical voltage, executing slow horizontal moving scanning with the electrode bar at the voltage output end at the upper side of the mold, the upright particles inclines along with the moving direction of the electrode bar and the plastic particles are arranged with regulated cross net shape; (e) closing the mold cover and inputting the mold to the heating furnace to sinter when the process of the electrostatic orientating has finished. The artificial bone fragment made with the method of the invention has a cellular structure with a definite shape, facilitates the adhering and growing of the human organization, has an excellent bioavailability and physical property.

The invention discloses a paper pulp which is used for sized diaphragm paper of an alkaline cell and has the function of separating a positive electrode and a negative electrode in the alkaline cell and a preparation technique for applying the pulp material to prepare the diaphragm paper. The paper pulp consists of pulp materials and auxiliary materials; the pulp materials consist of ultrafine vinylon fiber, ultrafine viscose fiber, water soluble vinylon fiber and cotton pulp; and the auxiliary materials consist of an antifoaming agent and a dispersing agent. The sized diaphragm paper of the alkaline cell prepared by the paper pulp can greatly reduce the defects of lumps, air bubble holes and the like, thus improving the tube-making performance and discharge performance of the diaphragm paper in producing the alkaline cell and stability of the diaphragm paper product; and the technique for applying the paper pulp to produce the diaphragm paper not only has high production efficiency, but also has little environmental pollution.

The invention provides the preparing method of wood mold. The method comprises 55-75 parts waste wood slag, 55-75 parts cotton particles, waste vinyon and 15-30 parts polyvinyl resin and auxiliary agent; the bending strength of product is above 45N / mm2, impact strength is above 35KJ / m2, elasticity modulus is above 3*103N / mm3, and retention intensity is above 35N / mm2. The method comprises the following steps: pelleting, mixing, adding auxiliary agent, and moulding. The mold has the advantages of high strength, non-deforming, repetitive-use, easy dismounting, high economic profit and wide usage. The method has the advantages of simple technology, low cost, and environmental protection.

A composite separator for secondary alkaline zinc-manganese batteries and a preparation method thereof, belonging to the technical field of battery separators, the composite separator is composed of polypropylene microporous membranes, and wet-process non-woven fabrics containing ultrafine polyolefin fibers and vinylon fibers. A two-layer composite structure made of woven cloth, and the thickness of the composite diaphragm is 0.08mm to 0.12mm. The composite diaphragm of the present invention has the following performances: (1) the existence of the microporous membrane makes it have good zinc oxide dendrite resistance; (2) the composite diaphragm can be easily processed into a diaphragm tube by an automatic winding machine; (3) ) The composite diaphragm is endowed with carboxyl and / or sulfonic acid hydrophilic functional groups on the inner and outer surfaces by radiation grafting of acrylic acid and / or sodium styrene sulfonate, which has permanent hydrophilicity; (4) The composite diaphragm has good chemical stability .

A pneumatic tire includes a carcass ply with carcass cords. The carcass cords comprise high tenacity vinylon fiber, polyethylene naphthalate fiber or polyalylate fiber. Viscoelasticity characteristics per one cord at 120° C. of the carcass cord satisfy the following equations (1) to (3):B>0  (1)B≦0.0000437×A+0.042857  (2)B≦−0.00003636×A+0.163636  (3)(wherein “A” represents a product of complex modulus E*(N / cm2) and cross-sectional area “S” (cm2) of cord), and “B” represents a loss tangent tanδ).

The invention provides a vinylon pure spinning fiber oil and its preparation method, which is composed of non-polar smoothing agent, surfactant, auxiliary agent and water, wherein the content of each component is: non-polar smoothing agent: 8-25%; in surfactants: 5-28% sulfate esters, 5-28% phosphate esters, 5-20% polyol fatty acid esters, 10-30% fatty alcohol ethers; in additives: neutralizer 2 ~11%, high molecular silicone polymer 0.5~5.0%, preservative 0.1%; the balance is water; all are calculated by weight percentage. Since the oil agent of the invention does not contain alkylphenol surfactants, environmental pollution is reduced. The fiber product treated with the oil agent of the present invention has good smoothness, softness, suitable cohesion (or clustering property), antistatic property, etc., so that the fiber can pass through various post-processing procedures smoothly, and has good spinnability; Moreover, it can be widely adapted to the process conditions of fiber production, such as heat resistance, oxidation resistance, corrosion resistance, and prevention of oily odor and deterioration caused by bacterial reproduction. The preparation method in the present invention is simple and does not need heating during preparation.

The invention relates the silicon alky cross-linking low-middle-high density vinyon. The components comprises 0.8-3.0wt% silicon alky cross linking agent, 0.02-2.0wt% cross linking initiating agent, 0.02-1.0wt% cross linking catalyst, 0.01-3.0wt% anti-oxidant and 0.05-3.0wt% modified auxiliary agent. The method comprises the following steps: preparing silicon alky grafting material A, mixing A and B materials, handing with extrusion machine to get tubing product, keeping it in water bath at 85Deg.C or vaporium for 8 hours, and getting the product. The invention overcomes the defects of big contraction percentage and degelatinizing phenomena between polythene layer and metal layer; the invention has the advantages of short production circle, stable technology and high rate of finished products.

The present invention relates to a method for making a vinyon artificial bone fragment molding implant, and the method comprises the steps of: (a) preparing the raw material: filtrating the thin particle vinyon in initial state, the surface of the obtained particle has a plurality of prominent bulges which is irregular ellipse grain shape; (b) preparing the mold which is composed of a mold frame, a top mold board and a lower mold plate; (c) adding material: spreading the filtrated raw material uniformly in the mold cavity after weighting; (d) orientating the electrostatic: opening the electrical power switch of the electrostatic generator and adjusting the electrical voltage, executing slow horizontal moving scanning with the electrode bar at the voltage output end at the upper side of the mold, the upright particles inclines along with the moving direction of the electrode bar and the plastic particles are arranged with regulated cross net shape; (e) closing the mold cover and inputting the mold to the heating furnace to sinter when the process of the electrostatic orientating has finished. The artificial bone fragment made with the method of the invention has a cellular structure with a definite shape, facilitates the adhering and growing of the human organization, has an excellent bioavailability and physical property.

High-performance and long-life zinc-nickel battery negative electrode slurry, including the following components according to weight percentage: active material 85-95%, conductive agent 1-5%, additive 1-4%, auxiliary material 0.1-1.5%, auxiliary binder 2.5% ‑3% and binder 0.4‑1.5%, active materials include one or more of zinc oxide, calcium zincate and zinc powder, additives include one or more of indium oxide, bismuth oxide, aluminum oxide and lead oxide The conductive agent includes one or more of graphite, carbon black, acetylene black and conductive ceramics, the auxiliary materials include short fibers and inorganic fibers, the short fibers include one or more of vinylon, PP, and nylon, and the adhesive includes acrylic acid Any three or four of vinyl alcohol copolymers TSP, CMC, sodium polyacrylate, and PVA, and the auxiliary binder is PTFE and SBR emulsion. The zinc-nickel battery negative electrode slurry provided by the invention has stable state, good fluidity, The excellent performance of not forming zinc dendrites, less material migration and settlement deformation, and longer life can better meet the needs of development.

The invention provides an antibacterial textile material which is prepared from cotton fiber, regenerated cellulose fiber, vinylon, bamboo charcoal fibre and antibacterial composite polyester fiber, wherein the antibacterial composite polyester fiber is prepared from polyester fiber, chitosan fiber, polyacrylic ester and antibacterial microspheres, and the antibacterial microspheres refer to one or mixture of at least two of silver / shell powder / chitosan microspheres, copper / shell powder / chitosan microspheres, titanium dioxide / shell powder / chitosan microspheres. The antibacterial textile material has good toughness, good elasticity and excellent antibacterial performance.

A wet non-woven fabric for a filter according to the present invention is formed of vinylon, polyester, and polyvinyl alcohol and contains 10 to 20% of the polyvinyl alcohol by weight, and the surfaceroughness (SMD) of a surface of the wet non-woven fabric, the surface being disposed at the upstream side in ventilation, is 2.7 [mu]m or less.