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74results about How to "Reduce static buildup" patented technology

Antistatic agent for polyester elasticizing oiling agent and manufacturing method thereof

The invention discloses an antistatic agent for a polyester elasticizing oiling agent. The antistatic agent comprises the following components in part by weight: 30 to 40 parts of fatty alcohol, 10 to 12 parts of ethylene oxide, 40 to 50 parts of phosphorus pentoxide, 1 to 3 parts of potassium hydroxide and 2 to 5 parts of deionized water. The manufacturing method comprises the follow steps of: firstly, synthesizing the fatty alcohol and the ethylene oxide to obtain fatty alcohol-polyoxyethylene ether; secondly, synthesizing the fatty alcohol-polyoxyethylene ether and the phosphorus pentoxide to obtain fatty alcohol-polyoxyethylene ether organic phosphate; thirdly, synthesizing the fatty alcohol-polyoxyethylene ether organic phosphate and the ethylene oxide to obtain fatty alcohol-polyoxyethylene ether organic phosphate alcohol-polyoxyethylene ester; and fourthly; and fourthly, synthesizing the fatty alcohol-polyoxyethylene ether organic phosphate alcohol-polyoxyethylene ester and the potassium hydroxide to obtain fatty alcohol-polyoxyethylene ether organic phosphate alcohol-polyoxyethylene ester sylvite. The antistatic agent produced by the method has the advantages of high efficiency, low cost, strong frost resistance, easiness in emulsification and capability of meeting series of requirements of post-processing such as elasticizing.
Owner:TONGXIANG HENGLONG CHEM CO LTD

Optical proximity correction method and mask making method

An optical proximity correction method and a mask making method are provided. The optical proximity correction method includes: providing an initial photolithographic mask pattern including a plurality of main patterns; obtaining a main graphic group from a plurality of main graphics based on an electrostatic prone judgement rule, wherein the main graphic group comprises at least two adjacent maingraphics; setting auxiliary graphics between adjacent main graphics in the main graphics group, wherein the auxiliary graphics includes auxiliary main graphics and auxiliary connecting graphics on both sides of the auxiliary main graphics, and the auxiliary connecting graphics connect the auxiliary main graphics and the main graphics; performing OPC correction on the plurality of main graphics and auxiliary graphics to form main correction graphics from the main graphics and auxiliary correction graphics from the auxiliary graphics, wherein the auxiliary correction graphics comprise auxiliarycorrection main graphics corresponding to the auxiliary main graphics and auxiliary correction connection graphics corresponding to the auxiliary connection graphics. The optical proximity correctionmethod avoids the occurrence of graphic missing angles or bridging damage at opposite cusps of adjacent main correction graphics.
Owner:HUAIAN IMAGING DEVICE MFGR CORP

Processed textile thread and production flow thereof

The invention discloses a processed textile thread, which is characterized in that the processed textile thread is produced by blending doubling threads prepared from natural fibers and doubling threads prepared from acrylic copper complex fibers at a ratio of 60 to 40 and then adding 1% to 2% of stainless steel fibers. A production flow comprises the following steps: the stainless steel fibers added in the process for processing the textile thread have relatively low bending stiffness, and good bendability and spinnability, and the relatively high single fiber strength can well resist the tensile deformation of clothing materials. The stainless steel fibers are mixed with the doubling threads prepared from the natural fibers to be blended, so that the antistatic properties of the textile thread can be improved, and the long-term antistatic properties can be provided. By blending the doubling threads prepared from the natural fibers, the stainless steel fibers and the doubling threads prepared from the acrylic copper complex fibers, the antistatic property of the textile thread can be effectively improved. The electrical conductivity of the processed textile thread can be improved, the static electricity is difficult to form, and the antistatic property and aesthetic comfort requirements of the textile thread are simultaneously met.
Owner:江苏红磨坊纺织品有限公司

Polylactic acid film and preparation method thereof

The invention relates to a polylactic acid film. The polylactic acid film comprises an inner layer prepared from a polylactic acid copolymer, at least one middle layer mainly prepared from cellulose and chitin, and at least one surface layer prepared from a polylactic acid copolymer; and based on a weight of the surface layer, the surface layer contains 0.05%-0.6% by weight of crosslinked polymer spherical particles having particle diameters of 2-6 [mu]m, and the middle layer is located between the inner layer and the surface layer. The invention also relates to a preparation method of the polylactic acid film. The preparation method comprises the steps of performing co-extrusion cast compounding on the inner layer, the middle layer and the surface layer, and performing biaxial stretching to obtain the polylactic acid film. According to the multi-layer co-extruded film containing the polylactic acid polymer and the cellulose-chitin prepared by the invention, the friction coefficient is reduced, the adhesion is reduced, the heat sealing property is increased, electrostatic formation and film dust collection are reduced, the film has high biodegradability, the cellulose-chitin layer has a crystal structure through which gas cannot pass, the crystal structure can effectively resist invasion of oxygen, and the prepared film is more suitable as a packaging film for fresh food.
Owner:梁真

Railway tunnel sleeper outer ballast bed coal suction vehicle set and operation method thereof

PendingCN112301938AImprove movement stabilityMeet the static strength standardRailway cleaningBogieRailway tunnel
The invention discloses a novel railway tunnel ballast bed coal suction vehicle set and a corresponding operation method. The coal suction vehicle set comprises a side suction vehicle and a material vehicle, and a side suction vehicle frame (301) is installed on a third driving walking bogie (302) and a fourth driving walking bogie (311); the side suction vehicle frame (301) is n-shaped, at leastone set of the side suction working device (308) is arranged and located at the right-angle portion of an operation cab (307), the side suction working device (308) is connected with the side suctionvehicle frame (301) through a rotary supporting rotary table, the side suction working device (308) is fixedly connected with the rotary supporting rotary table, and a hydraulic motor drives a worm wheel to rotate via a worm, so that a mechanical arm swings out and in along the rotation axis. According to the railway tunnel sleeper outer ballast bed coal suction vehicle set, speed reduction designis conducted on the air ducts in the tops of a front draught fan chamber and a rear draught fan chamber of the side suction vehicle set, so that the ultrahigh air speed of a draught fan outlet is reduced to 2 m/s, and pulverized coal flying dust around the outlet is prevented.
Owner:CRCC HIGH TECH EQUIP CORP LTD

Preparation method of cyano-alkyl and aryl co-modified polysiloxane

The invention provides a preparation method of cyano-alkyl and aryl co-modified polysiloxane. The method includes the following steps that cyano-alkyl silane is hydrolyzed, cyano-alkyl silane hydrolyzate is obtained, an alkali catalyst and an end-capping agent are added into the cyano-alkyl silane hydrolyzate, an aryl coupling agent and cyclosiloxane under protection of inert gas, and reaction is performed at 80-130 DEG C; the cyano-alkyl and aryl co-modified polysiloxane is prepared; the content of cyano-alkyl in the cyano-alkyl and aryl co-modified polysiloxane is 0.05-5 mmol/g, and the content of aryl in the cyano-alkyl and aryl co-modified polysiloxane is 0.1-3 mmol/g, and viscosity is 50-10,000 cST. The cyano-alkyl and aryl co-modified polysiloxane prepared through the method can serve as auxiliaries for producing high-performance carbon fibers. Particularly, the cyano-alkyl and aryl co-modified polysiloxane can serve as silicon oil agents for producing carbon fibers and can effectively moisten the surfaces of the fibers, reduce friction between the fibers and friction between the fibers and a guide roller, reduce surface defects and electrostatic accumulation caused by friction, and effectively prevent hot-melting adhesion of precursor fibers at the pre-oxidization stage and at the low-temperature carbonization stage.
Owner:GUANGDONG BIOMAX SIANDF NEW MATERIAL CO LTD +1

Polyaniline-coated nitro-amine high-energy explosive composite material and preparation method thereof

The invention provides a polyaniline coated nitro-amine high-energy explosive composite material. The preparation method sequentially comprises the following steps: step 1, dispersing an explosive: adding a high-energy single-compound explosive into an acidic solution of aniline, and stirring to obtain a uniform explosive dispersion liquid; step 2, reacting and coating: dropwise adding an acid solution of ammonium persulfate, and stirring until white particles in the reaction liquid turns into dark green particles, (the reactions are finished); step 3, carrying out solid-liquid separation, andfiltering the reaction solution to obtain a solid product namely the polyaniline-coated high-energy explosive; and step 4, washing and drying the solid product, filtering, and drying to obtain a loose finished product. Polyaniline not only can play a role in protecting the surface of the nitro-amine high-energy explosive and reduce the mechanical sensitivity, but also can significantly reduce theelectrostatic accumulation amount of the nitro-amine high-energy explosive and ensure the safety during transportation, storage and use. The synthesis method is simple, and the synthesized compositematerial is low in sensitivity and has a good application prospect.
Owner:NANJING UNIV OF SCI & TECH

Preparation method cyano-alkyl and polyether co-modified polysiloxane

The invention provides a preparation method of cyano-alkyl and polyether co-modified polysiloxane. The method includes the following steps that cyano-alkyl silane is hydrolyzed, cyano-alkyl silane hydrolyzate is obtained, an alkali catalyst is added into the cyano-alkyl silane hydrolyzate, a polyether silicon oil and cyclosiloxane under protection of inert gas, and reaction is performed at 80-130 DEG C; the cyano-alkyl and polyether co-modified polysiloxane is prepared; the content of cyano groups in the cyano-alkyl and polyether co-modified polysiloxane is 0.05-5 mmol/g, the molecular weight of the polyether silicon oil is 500-100,000, the number of EOs in the polyether silicon oil is 3-100, and the number of POs in the polyether silicon oil is 0-40. The cyano-alkyl and polyether co-modified polysiloxane prepared through the method can serve as auxiliaries for producing high-performance carbon fibers. Particularly, the cyano-alkyl and polyether co-modified polysiloxane can serve as silicon oil agents for producing carbon fibers and can effectively moisten the surfaces of the fibers, reduce friction between the fibers and friction between the fibers and a guide roller, reduce surface defects and electrostatic accumulation caused by friction, and effectively prevent hot-melting adhesion of precursor fibers at the pre-oxidization stage and at the low-temperature carbonization stage.
Owner:GUANGDONG BIOMAX SIANDF NEW MATERIAL CO LTD
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