41results about How to "Good oil proof" patented technology

The invention relates to the field of encapsulation of electronic component, in particular relates to a flame-retardant encapsulating material applicable to electronic and electric product and a preparation method of the flame-retardant encapsulating material, solving the problems of the prior art that the fire-proofing and flame retardant performance is poor, and relatively high flame-retardant rating cannot be obtained. The material comprises a component A and a component B; in percentage by weight, the component A comprises base stock bisphenol-A epoxy resin, fire retardant, diluent diethylene glycol dibenzoate, flexibilizer dioctyl phthalate, pigment, organic silicon defoaming agent and filler silica micropowder; the component B comprises curing agent phthalic anhydride or methyl tetrahydrophthalic anhydride, curing agent eleostearate anhydride, and accelerator 2, 4, 6-tri(dimethylamino methyl) phenol; before the flame-retardant encapsulating material is used, the component A is pre-heated in an oven and then uniformly agitated in an up-to-bottom way; and the component A and the component B are uniformly mixed, so as to obtain flame-retardant encapsulating material; and then the encapsulating can be carried out. The flame-retardant encapsulating material provided by the invention is mainly applicable to insulating packaging of various electronic components such as power engine, rail transit, war industry, spaceflight, car and power.

The invention relates to a post-finishing process for ready-made clothes, which adopts the one-step method of one-bath in the following working procedures of desizing, unwatering, soaking in treatment fluid, re-drying, pressing and baking for setting, and cooling. In preparing the treatment fluid, resin 5-10%, OLEOPHOBOL 4-8%, penetrant 0.1-0.25%, and catalyst 1-2.5% are included. After finishing, the ready-made clothes with no ironing and washing for 30 times can achieve the crease shedding of level 4, water resistance of level 5, oil resistance of level 5, and soil resistance of level 5, thereby having excellent water-washing serviceability, durability and shrink resistance. The formaldehyde content is lower than 75ppm. The post-finishing process has the advantages of little pollution, obvious effects of water resistance, oil resistance, soil resistance, and no ironing, good durability and so on, thereby being applied to the ready-made clothes made of natural fibers such as cotton, hemp, tencel and so on.

The invention discloses a hard coating anti-fingerprint additive and a preparation method thereof. The hard coating anti-fingerprint additive contains the following components: perfluoropolyether, fluorine-containing polysiloxane, an acrylate monomer and an organic silicon cyclic compound. The preparation method comprises the following steps: a) adding the fluorine-containing polysiloxane and a solvent A into a three-mouth flask, fully stirring the solution to be uniform, and heating to a reaction temperature; b) adding the perfluoropolyether and the solvent A into the three-mouth flask while stirring so as to obtain a perfluoropolyether and organic fluorosilicone polymer; c) adding the acrylate monomer, a catalyst and the solvent A into the three-mouth flask while stirring, reacting for 4-20 hours, continuing to drip the organic silicon cyclic compound, and reacting for 4-10 hours; and d) cooling to room temperature after the reaction is ended, diluting to the solid content of 20% by using a solvent B. The antifouling additive disclosed by the invention stably exists at the room temperature, has excellent compatibility with coatings, and can provide excellent water resistance, oil resistance, fouling resistance, fingerprint resistance, smoothness, heat resistance and friction resistance for the hard coating after beingsubjected to UV (Ultraviolet)-curable film forming.

The present invention relates to a kind of dressing method for all terylene/cotton fabrics through the treatment of Teflon and anti-ultraviolet ray solution to achieve waterproof, oil-prevention, adhesion-prevention and anti-ultraviolet ray effects. The method pertains to the steps of first putting all terylene/cotton fabrics into the Teflon dressing solution with 40-60g/L of Co content for dipping and rolling; then letting them be pre-baked for 1-2 minutes under the temperature of 100-120 degrees C; again putting them into the anti-ultraviolet ray E solution with 30-50g/L content for dipping and rolling; and finally letting them be baked for 3-5 minutes under the temperature of 160-180 degrees C. After the above treatment, all terylene/cotton fabrics can attain the 6th grade of waterproof, 6th grade of oil-prevention, 6th grade of adhesion-prevention and the 5th grade of anti-ultraviolet ray and also are durable and washable. The invention is reliable in technology, easy in operation, low in cost and can be widely used.

The invention discloses a fluorine-containing composition for surface treatment of a porous base material. The fluorine-containing composition is prepared from, by mass, 20 parts of a fluoropolymer, 0.1-20 parts of a polyisocyanate derivative, 0.1-10 parts of a siloxane compound and organic solvent, wherein the fluoropolymer is obtained by copolymerizing free radicals and comprises at least one Si(OR)3 siloxane group (R represents a C1-4 alkyl group), the polyisocyanate derivative contains a siloxane group shown in the formula (I), each siloxane compound molecule at least contains two hydrolysable groups, and the fluoropolymer, the polyisocyanate derivative and the siloxane compound can be completely dissolved in the organic solvent. The composition is good in waterproof, oil-proof and antifouling performance, the binding effect of the composition and a base material is ideal, which is beneficial for improving durability of the waterproof, oil-proof and antifouling functions, and use amount and use cost are reduced.

The invention provides a spinning process of polyester fleece knitted fabric. The spinning process mainly uses polyester filaments and polyester staple fibers as the raw materials to prepare the weft-knitted fabric. The spinning process includes: preprocessing gray fabric; dyeing and printing; softening and pre-forming; napping; carding; shearing; turning naps into granular naps; performing kinetic energy finishing; performing finished-product forming. The polyester fleece knitted fabric spun by the spinning process is soft and fluffy in touch, breathable and warm-keeping, less prone to pilling and fading, excellent in water resistance, oil resistance and fouling resistance and durable in flame retardance and can still have excellent three proofing and flame retardance after being washed at normal temperature.

The invention relates to a medium-voltage fireproof termite-resisting cable which includes at least three conductors with insulators. The insulators are crosslinked-polyethylene insulators. A conductor shield is arranged between each conductor and a corresponding insulator. An insulating shield, a copper-tape shield and a phase-splitting fireproof layer lap the insulator of each conductor. A ceramic silicone rubber composite tape I, an oxygen isolation layer, a ceramic silicon rubber composite tape II, a copper pipe and a protective sleeve wrap the three conductors sequentially. A filling rope is arranged between the three conductors and the ceramic silicon rubber composite tape I. The filling rope is an inorganic paper filling rope. The oxygen isolation layer is a low-smoke halogen-free polyolefin oxygen isolation layer. The protective layer is a nylon protective sleeve of high-density polyethylene. The conductor shields and the insulating shields are semi-conductive crosslinked-polyethylene shields. The copper pipe is a longitudinally wrapped argon-arc-welding corrugated pipe. The medium-voltage fireproof termite-resisting cable is significantly great in fireproof performance, capable of reaching a fireproof grade of a mineral insulating cable and high in mechanical strength.

The invention relates to healthcare yarn, in particular to a producing method and application of double-thick double-wire six-into-one anti-ultraviolet antivirus and antibacterial comfortable skincarehealthcare compound yarn. The blended yarn is prepared from, by weight, 15-85% of long staples, 15-85% of Outlast air conditioning fiber, 15-75% of white bamboo charcoal fiber and 25-85% of moistureabsorption and sweat releasing Topocool fiber. The compound functional knitted yarn is good in moisture absorption property and breathability, good in dyeing property, elasticity and plump performance, soft in hand feel, bright in color, rich in color and luster, free of adverse reaction when making contact with a human body, not prone to worm damage or corrosion and unique in appearance, has healthcare functions of bacterial resistance, inflammation elimination, skincare and bodybuilding, skin beautifying, skin moisturizing and good skincare property, and is good in draping, excellent in comfort, good in wear resistance, natural in color and luster and wide in application range.

Disclosed is a multifunctional touch-screen industry tablet computer provided with audio and multiple automatic control interfaces. An industrial-control motherboard, a TFTLCD (thin film transistor liquid crystal display), a DC (direct-current) power source, a memory, an electronic hard disk, an emergency stop control switch, a qualified product control switch, an unqualified product control switch, a touch screen controller, a touch screen, an induction control keyboard board and an output amplifier circuit are all integrated in the multifunction touch-screen industry tablet computer. An induction control keyboard array is controlled through a digital input port which can simultaneously receive station induction sensing signals of a production line member; a station control relay of the production line member is directly driven through the digital output port via the output amplifier circuit. By the application of an open-type system, a flexible component structure and the standard peripheral interfaces, the multifunctional touch-screen industry tablet computer is enabled to adapt to docking with an existing system of an enterprise. Standard products are adopted in main components, so that product quality is reliable, system upgrade is facilitated, and convenience and easiness in component maintenance are achieved.

The invention discloses a packing bag structure comprising a bottom layer and a surface layer, wherein the bottom layer is wrapped with the surface layer. At least one middle line is arranged between the bottom layer and the surface layer, and the middle lines are regularly distributed or irregularly distributed between the bottom layer and the surface layer. In addition, the bottom layer and/or the surface layer are/is provided with a layer of structure or multiple layers of structures. According to the packing bag structure, by means of arranging of the middle lines, the condition is provided for exchanging of air in package and air outside the package. By means of controlling of the quantity, inner diameters, distribution and the like of the middle lines, the exchanging amount/speed of the air in the package and the air outside the package can be effectively controlled. In addition, the packing bag structure has the properties of water proof, oil proof, damp proof and the like and can be applicable to deoxidizing agents, drying agents and freshness keeping agents for packing food and other products needing breathing.

The invention discloses a preparation method for a waterproof protective perfluoro-acrylate copolymer aqueous dispersion miniemulsion for wood. The preparation method particularly comprises the following steps: mixing and stirring a comonomer mixture, an emulsifier and deionized water to obtain a pre-emulsion; performing ultrasonic treatment on the obtained pre-emulsion in an ultrasonic machine to obtain a stable monomer miniemulsion; placing the monomer miniemulsion subjected to fine emulsification treatment in a reaction still, separately adding a transfer agent and an initiating agent, heating to initiate polymerization, performing a reaction, insulating, cooling to the room temperature till a monomer conversion rate reaches 95.0% or above, and filtering to obtain the miniemulsion. The water and oil repellent (namely the waterproof protective perfluoro-acrylate copolymer aqueous dispersion miniemulsion) obtained according to the preparation method does not need an organic solvent, and is safe and environmentally friendly; the prepared miniemulsion is high in storage stability and dilution stability; a copolymer miniemulsion coating formed by the water and oil repellent is high in film-forming property, water resistance and oil resistance.

The invention discloses a production method of a waterproof, oil-proof and anti-fouling fabric. The production method comprises the following steps: selecting a fabric matrix, soaking the matrix in aplant extract, refrigerating and then adopting a one-time-soaking and one-time-rolling process, wherein the rolling rate is 35-40 percent; suturing a unidirectional moisture permeation layer outside the fabric matrix to obtain a blank body, wherein the unidirectional moisture permeation layer is formed by interweaving longitudes and latitudes of linen fibers and graphite carbon fibers, and the linear density of the unidirectional moisture permeation layer is lower than that of the fabric matrix; sequentially soaking the blank body in a finishing agent and adopting a one-time-soaking and two-time-rolling manner, wherein the rolling rate of the blank body is 50060 percent after each rolling; putting the soaked and rolled blank body in a vacuum environment, air-drying at a temperature of 40-50 DEG C, performing feathering treatment and spraying a Teflon coating layer onto the outside of the unidirectional moisture permeation layer to obtain a semi-finished product; putting the semi-finished product in the vacuum environment and baking to obtain the required fabric. Through treating the fabric by adopting a post-baking technology, the waterproof, oil-proof and anti-fouling performancesof the fabric are improved; the obtained fabric is particularly suitable for the preparation of children's clothing.

The invention provides a high-glossiness anti-flaming polypropylene material easy to clean and a preparation method thereof. Firstly, high-glossiness anti-flaming master batch and dolomite master batch are prepared, the high-glossiness anti-flaming master batch, the dolomite master batch, fluorinated acrylate master batch and polypropylene resin are subjected to melt extrusion and pelleting through an extruder to obtain the high-glossiness anti-flaming polypropylene material easy to clean, and the prepared high-glossiness anti-flaming polypropylene material easy to clean has the advantages of being high in anti-flaming efficiency, good in glossiness, easy to form, resistant to water and oil, easy to clean and the like, and can be widely applied to the fields of household appliances such as warmers, air blowers, bread makers, ovens and electric cookers.

The invention relates to the field of natural leather, and provides leather for a leather bag and a finishing method thereof. The method comprises the following steps: (1) carrying out surface finishing on tanned and finished leather; (2) carrying out low-temperature shaping finishing on the leather subjected to surface finishing in the step (1); wherein the surface finishing in the step (1) is tofinish tanned and finished leather by adopting a functional finishing solution, and the functional finishing solution comprises the following components: a fluorine-containing polymer, amino siliconoil, collagen fibers, sodium alginate, a metal ion salt cross-linking agent, an organosilicon coupling agent, a delustering agent, a surfactant and water. The genuine leather obtained through the method is soft and excellent in waterproof performance, and the finishing method does not cause reduction of the mechanical performance and the air permeability of the leather.

Disclosed is a multifunctional touch-screen industry table computer provided with an audio input/output interface. An industrial-control motherboard, a TFTLCD (thin film transistor liquid crystal display), a DC (direct-current) power source, a memory, an electronic hard disk, an emergency stop control switch, a qualified product control switch, an unqualified product control switch, a touch screen controller, a touch screen, an induction control keyboard board and an output amplifier circuit are all integrated in the multifunctional touch-screen industry table. An induction control keyboard array is controlled through a digital input port which can simultaneously receive station induction sensing signals of a production line member; a station control relay of the production line member is directly driven through the digital output port via the output amplifier circuit. By the application of an open-type system, a flexible component structure and the standard peripheral interfaces, the multifunctional touch-screen industry tablet computer is enabled to adapt to docking with an existing system of an enterprise. Standard products are adopted in main components, so that product quality is reliable, system upgrade is facilitated, and convenience and easiness in component maintenance are achieved.