97results about How to "Solve static problems" patented technology

The invention discloses general grade pitch-based carbon fiber spinning oil. The oil is prepared by mixing deionized water, a lubricating agent, an antistatic agent, an emulsifying agent and a balance regulator in a stirring state. The general grade pitch-based carbon fiber spinning oil has the beneficial effects that the viscosity of the oil is 2-20mPa.s and the light transmittance is 80-98%; the oil has an antistatic effect when sprayed onto fiber surfaces, ensures cohesive forces between fiber monofilaments, achieves a fiber packing effect and prevents fiber adhesion; oil films formed on the fiber surfaces not only protect the monofilament surfaces from being damaged in spinning but also have the same adhesion prevention and isolation effects in the non-melting and carbonizing processes, so that the problems of easiness in adhesion, static electricity, wear and the like in the general grade pitch-based carbon fiber preparation process can be solved; test results indicate that the contact angles between the general grade pitch-based carbon fiber spinning oil and the fiber surfaces are 0-5 degrees, the oil can be well coated on the fiber surfaces, and the fiber strength retention rate is 95-100%, so that the oil basically has no impact on the tensile strength of fibers.

The invention discloses a manufacturing method of an oriented film, comprising: forming a solidifiable material layer with a side chain on a first substrate; sticking a first substrate and a second substrate to cause the solidifiable material layer to face the second substrate; filling a liquid crystal layer between the first substrate and the second substrate to ensure that the liquid crystal layer can be contacted with the solidifiable material layer; applying an electric field to cause the side chain to face a preset direction; solidifying the solidifiable material layer to cause the side chain to be in crosslinking and be solidified, and ensuring that the solidifiable material layer has liquid crystal orientation. The manufacturing method of an LCD panel comprises: forming a first UV-curing material layer with a first side chain on the first substrate; forming a second UV-curing material layer with a second side chain on the second substrate; sticking the first substrate and the second substrate to cause the first UV-curing material layer to face the second UV-curing material layer; filling the liquid crystal layer between the first substrate and the second substrate; causing the liquid crystal layer to contact with the first UV-curing material layer and the second UV-curing material layer; applying a first electric field to cause the first side chain to face the first preset direction; and photocuring the first UV-curing material layer to cause the UV-curing material layer to have the first orientation.

The invention relates to a yarn spinning technology for multi-fiber semi-worsted melange yarn and the yarn prepared with the technology. The technological steps of the yarn mainly comprise raw material treatment, cotton carding, drawing, roving, spinning, self-spooling, doubling, two-for-one twisting and packaging of a finished product. Raw materials comprise mercerized wool fiber, nylon fiber, viscose fiber and cashmere wool fiber. The problems of high probability of water shrinkage and pilling of wool are solved with a more environment-friendly method, meanwhile, nylon, cashmere wool and viscose ingredients are added, and the heat retention property, the elasticity, the durability and the comfort degree of the product are increased; the production cost is lower, the prepared yarn has the characteristics of shrink resistance, good anti-pilling effect, natural luster, bright color, good elasticity, smooth hand feeling, heat retention and the like.

The invention discloses a tablet containing escitalopram oxalate and a preparation method thereof. According to the invention, the tablet containing escitalopram oxalate uses hydroxy propyl cellulose as an adhesive and uses escitalopram oxalate with median particle size less than or equal to 20mum, and the prepared tablet containing escitalopram oxalate has the advantages of beautiful appearance and stable quality. The invention also provides the preparation method of oral tablet, and has the advantages of simple process and adaptability of commercialized production.

The invention discloses an anti-static down feather composite fabric. The fabric comprises a fabric layer and a down feather layer, wherein an anti-static layer is arranged between the fabric layer and the down feather layer. The anti-static down feather composite fabric has simple structure and characteristics of good wind resistance, water resistance, corrosion resistance, prominent cold resistance, wear resistance and tearing and pulling resistance, can prevent the surface of the down feather fabric from adhering to dust and is especially suitable for producing down feather clothing, thus solving the problem that people suffer from static when wearing the down feather coats in winter.

The invention discloses a flame-retardant antistatic reinforced nylon composite material. The composite material is characterized by comprising the following raw materials in parts by weight: 60-90 parts of nylon, 5-15 parts of glass fibers, 3-10 parts of carbon fibers, 0.5-10 parts of carbon nano tubes, 10-15 parts of red phosphorus, 0.3-2 parts of borate alkyl amine, 0-1.5 parts of a lubricant and 0.3-3 parts of a composite additive. The invention also discloses a preparation method of the flame-retardant antistatic reinforced nylon composite material. The composite material not only has excellent flame retardance and high mechanical strength, but also has an excellent antistatic performance, and can be used for manufacturing conveying rollers, which are applied to the fields of coal mines and the like.

The invention discloses a preparation method of a liquid-state nano disperse dye modified by graphene and graphene derivatives. A disperse dye filter cake and the graphene or the graphene derivativesare mixed, wherein the graphene derivatives comprise a graphene oxide and a reduced graphene oxide; the mixture is ground to obtain the liquid-state nano disperse dye modified by the graphene and thegraphene derivatives. A high-temperature high-pressure one-bath dyeing method is adopted for dyeing a terylene fabric, and reduction of the graphene oxide can be achieved in the reduction cleaning process. The fabric is endowed with the color performance by the disperse dye and endowed with the functionality by the reduced graphene oxide, dyeing and finishing are completed through a one-step method, the fabric is endowed with the colors and functionality, the after-treatment technology is omitted, the reduction time of the reduced graphene oxide is shortened, and the liquid-state nano dispersedye has great application potential in the field of textiles.

The invention belongs to the field of high polymer materials, and discloses a preparation method of a modified composite heat-resistant lithium ion battery diaphragm, which comprises the following steps: A, modifying aramid fibers; B, modifying an inorganic nano material; C, mixing the modified aramid fiber slurry and the modified inorganic nano slurry with a solvent in proportion to prepare organic-inorganic mixed modified slurry; and D, coating a base membrane with the organic-inorganic mixed modified slurry, and carrying out moisture solidification, washing, solvent removal and drying to obtain the modified composite heat-resistant lithium ion battery diaphragm. The problems of insufficient heat resistance, high moisture, large static electricity and the like of an existing aramid fibercoating diaphragm are solved.

The invention relates to an antistatic air bag material for a stratospheric airship and a preparation method thereof. The air bag material is prepared by arranging an antistatic layer at one side of a supporting layer and successively arranging a bonding layer, a gas blocking layer and an antistatic layer at the other side of the supporting layer, wherein the antistatic layer arranged on the surface of the supporting layer is a film containing a polythiophene-based conductive polymer and having a thickness of 0.4 to 2.3 [mu]m, the gas blocking layer is a polymer film, and the antistatic layer arranged on the surface of the gas blocking layer is a film containing a polythiophene-based conductive polymer and having a thickness of 0.05 to 0.8 [mu]m. According to the invention, the air bag material has substantially improved antistatic performance without influence on surface density and physical and mechanical properties of the air bag material; the antistatic performance of the material in the processes of assembly and usage is improved; static damage in the processes of assembly and usage of the air bag material is effectively avoided; and safety of the stratospheric airship in the process of usage is guaranteed.

The invention provides an anti-static garment, and belongs to the field of garment manufacturing. The invention provides the anti-static garment with the advantages of low cost and good anti-static performance. The anti-static garment is mainly characterized in that in the fabric manufacturing process, anti-static fiber or anti-static synthetic fiber made of conducting materials is separately or uniformly mixed, or the anti-static fiber or anti-static synthetic fiber are mixed and interwoven. The conducting fiber is made of one or several materials from metal-based composite materials, high-polymer-based composite materials, resin-based composite materials or rubber-based composite materials. The conducting fiber is made of raw materials such as ceramic-based composite materials or carbon black, metal powder, metal foils, metal fiber or carbon fiber. The anti-static garment can be applicable to various fabrics, further, any garments can be prepared, the popularization performance is high, meanwhile, the garment resistance is low, and a good anti-static effect is realized.

The invention provides a flame-retardant and antistatic knitted fabric and a manufacturing method thereof. The flame-retardant and antistatic knitted fabric comprises a surface layer and an inner layer; the surface layer is formed by weaving 100 percent of polyester yarns with a count being 100 D; and the inner layer is formed by weaving blended yarns of 60 percent of acrylonitrile-vinylidene chloride copolymer fibers, 27 percent of flame-retardant viscose fibers, 10 percent of para-aramid fibers and 3 percent of transparent conductive fibers, wherein a count of the blended yarns is 30 S. Themanufacturing method of the flame-retardant and antistatic knitted fabric comprises the following steps of 1, dyeing the yarns of the surface layer; 2, performing weaving, feeding the yarns of the surface layer and the yarns of the inner layer onto a working needle of a knitting machine, enabling the yarns to be sequentially curved to form rings, performing mutual penetrating and sleeving, and suturing the surface layer and the inner layer with connection lines at the same time, wherein suture lines are the yarns of the inner layer; and 3, washing the fabric, and treating and setting the fabric with a softening agent to finish manufacturing of the fabric. The flame-retardant and antistatic knitted fabric enables the flame retardancy, the antistatic property, high visibility, comfortable hand feeling and perfect appearance of the fabric to be unified and combined.

The present invention discloses a preparation method of an antistatic composite fabric. The method is characterized by comprising the following steps of 1, preparing conductive fibers; 2, cleaning theobtained antistatic fibers with warm water, and drying the antistatic fibers until the water content is below 10%; 3, knitting blended yarns of the antistatic fibers and cotton fibers in different proportions on a knitting machine to form knitted grey cloth; 4, sequentially performing a bleaching process, a dyeing process, an antibacterial process and a setting process on the knitted grey cloth to obtain the antistatic knitted fabric. According to the method, the fibers are combined with antistatic modification liquid, a hydrophilic soft finishing agent and absolute ethanol and are blended with the cotton fibers, and the blended yarns are subjected to bleaching, dyeing, antibacterial treatment and setting, so that the fabric has the excellent antistatic performance, the problem that the knitted composite fabric generates static electricity in the prior art and the problem of relatively difficult antistatic care of the fabric are effectively solved, the fabric is soft in hand feeling,comfortable and breathable, the skin affinity of the composite fabric is improved, and the use comfort is improved.

The invention discloses a packaging bag. A bag body is formed by folding one piece of packaging material and carrying out double-sided heat sealing; a bag mouth of the bag body is sealed by a sealing port; the packaging material comprises a transparent substrate; conductive ink is printed on the outer layer of the transparent substrate; and the inner layer of the transparent substrate is coated with antistatic liquid. According to the packaging bag disclosed by the invention, due to existence of the transparent substrate, the packaging bag has better transparency; the conductive ink is printed on the outer layer of the transparent substrate, so that the packaging bag has good conductivity; and moreover, the inner layer of the transparent substrate is coated with the antistatic liquid, so that the packaging bag has good antistatic performance.

The invention discloses a preparation method of graphene antistatic plastic. The graphene antistatic plastic comprises graphene antistatic plastic, and the graphene antistatic plastic is prepared fromgraphene, resin, an antistatic agent, a stabilizer, a plasticizer, a lubricant, a dispersing agent, a flame retardant, a coupling agent and an antioxidant, wherein the graphene antistatic plastic comprises the following components in parts by weight: 80-100 parts of the resin, 3-6 parts of the graphene, 0.3-3 parts of the antistatic agent, 2-5 parts of the stabilizer, 1-3 parts of the plasticizer, 0.5-4 parts of the lubricant, 3-8 parts of the dispersing agent, 4-10 parts of the flame retardant, 0.2-2 parts of the coupling agent and 0.6-2 parts of the antioxidant. According to the preparationmethod of the graphene antistatic plastic, by arranging the combination of the graphene and the antistatic agent, the graphene has relatively high conductivity, and the antistatic agent endows the surface of the high polymer material with certain lubricity, reduces the friction coefficient and inhibits and reduces the generation of electrostatic charges.

The invention provides a vertical alignment-type liquid crystal alignment agent with good vertical alignment property and afterimage property. A vertical alignment-type liquid crystal alignment agent containing polyamide acid polymer and/or polyimide polymer has a volume resistivity of the film less than 1x1013 Omega.cm after the high-temperature roasting.

The invention provides a 3D printer leakproof working cylinder. The 3D printer leakproof working cylinder comprises a first cylinder wall, a second cylinder wall, a first side plate, a second side plate, positioning rods and a piston plate; a rectangular channel structure is jointly defined by the first cylinder wall, the second cylinder wall, the first side plate and the second side plate; the first cylinder wall and the second cylinder wall are cooperatively connected through grooves in the first side plate and the second side plate; the first side plate and the second side plate are fastened and connected through the positioning rods; the piston plate slides in the rectangular channel; and the first cylinder wall and the second cylinder wall are made of glass or resin. The problems that3D printer working cylinders are insufficient in strength, and sand is prone to leaking are solved, the 3D printer leakproof working cylinder is convenient to dismount, mount and maintain and has good application prospects, on the basis of superior performance than original metal cutting machining, the cost is greatly reduced, the corrosion resistance is significantly improved, the especially inapplication of a large-sized piston cylinder blocks, the flatness of a whole board cannot be ensured by metal cutting machining easily, and the 3D printer leakproof working cylinder can be widely popularized in similar application.

The invention discloses a multi-degree-of-freedom high-precision motion platform based on a few-branch-chain mechanism. The multi-degree-of-freedom high-precision motion platform comprises a static platform, four telescopic motion branch chains, a movable platform and four same piezoelectric inertial drivers. The static platform and the movable platform are connected through a flexible ball pair and a flexible hooke joint, and the motion branch chains are actuated by linear inertial piezoelectric actuators with a displacement sensing function. The actuator comprises a proportional linear Hall sensor, an actuating body, a motion unit, a cylindrical shell, a permanent magnet and a base. According to the four-degree-of-freedom platform, the flexible hinges are adopted to replace traditional kinematic pairs, the four-degree-of-freedom platform has the advantages of being easy to achieve equipment miniaturization, improving repeated positioning accuracy, being high in motion sensitivity and the like, meanwhile, the platform can reach a static stable state, and the problems of vibration and collision in the transportation process are solved. Large-stroke feeding motion of the platform is achieved through macro motion, and precise positioning is achieved by means of micro motion. And the platform is endowed with large-stroke and high-precision macro-micro motion capability.

The invention discloses a three-degree-of-freedom high-precision motion mechanism based on a macro-micro motion mode. The three-degree-of-freedom high-precision motion mechanism comprises a static platform, three telescopic motion branch chains, a movable platform and three same piezoelectric inertial drivers. The static platform and the movable platform are connected through a flexible ball pair and a flexible hooke joint, and a linear inertia piezoelectric actuator with a displacement sensing function is adopted as the moving branch chain. The actuator comprises a proportional linear Hall sensor, an actuating body, a motion unit, a cylindrical shell, a permanent magnet and a base. According to the three-dimensional platform, the flexible hinges are adopted to replace traditional kinematic pairs, the three-dimensional platform has the advantages of being easy to achieve miniaturization of equipment, improving repeated positioning accuracy, being high in motion sensitivity and the like, meanwhile, the platform reaches a static stable state, and the problems of vibration and collision in the transportation process are solved. Large-stroke feeding motion of the platform is achieved through macro motion, and precise positioning is achieved by means of micro motion. According to the invention, the platform is endowed with large-stroke and high-precision macro-micro motion capability.