Liquid rubber modified epoxy acrylic ester prepolymer and use for preparation of ultraviolet curing paint

A liquid rubber modified epoxy acrylate prepolymer and a preparation of UV-light solidified paint pertain to the art of light-sensitive resin and UV-light solidified paint technology. The present invention adopts the two-step process: firstly hydroxyl end liquid rubber and maleic anhydride with mol ratio from 1:2 to 2.5 are reacted for 2 to 4-hour reaction under the role of catalyst and the temperature of 100 DEG C so as to obtain the carboxyl liquid rubber prepolymer; secondly, the carboxyl of the carboxyl liquid rubber prepolymer and the epoxy of the epoxy acrylate are mixed in equivalent volume and then react for 2 to 4 hours under the role of catalyst and polymerization inhibitor and the temperature from 80 to 100 DEG C so as to obtain the liquid rubber modified epoxy acrylate prepolymer. The prepolymer can be mixed with active diluting agent, optical initiator and assistant according to a certain proportion so as to obtain the flexible UV-light solidified paint, the flexibility of ...

Health food capsule with functions of sobering up, detoxicating, nourishing heart, tranquilizing and protecting liver and its production process

SPAD value prediction method and system based on fresh leaf color recognition

The invention discloses an SPAD value prediction method and system based on fresh leaf color recognition. The method comprises the following steps: controlling a shooting device to collect a fresh leaf real-time sample and uploading the fresh leaf real-time sample; carrying out sample pretreatment to obtain a fresh leaf sample characteristic value; and based on a pre-deployed fresh leaf SPAD value prediction model and the sample feature value, predicting the SPAD value of the fresh leaf to obtain SPAD value prediction of the real-time sample of the fresh leaf. According to the method, real-time acquisition and uploading of the fresh leaf image are controlled on site, sample pretreatment is completed by using an image processing technology, and low-cost real-time prediction of the SPAD value of the whole fresh leaf in a complex field environment is realized in combination with a pre-deployed fresh leaf SPAD value prediction model.

Liquid rubber modified epoxy acrylic ester prepolymer and use for preparation of ultraviolet curing paint

A liquid rubber modified epoxy acrylate prepolymer and a preparation of UV-light solidified paint pertain to the art of light-sensitive resin and UV-light solidified paint technology. The present invention adopts the two-step process: firstly hydroxyl end liquid rubber and maleic anhydride with mol ratio from 1:2 to 2.5 are reacted for 2 to 4-hour reaction under the role of catalyst and the temperature of 100 DEG C so as to obtain the carboxyl liquid rubber prepolymer; secondly, the carboxyl of the carboxyl liquid rubber prepolymer and the epoxy of the epoxy acrylate are mixed in equivalent volume and then react for 2 to 4 hours under the role of catalyst and polymerization inhibitor and the temperature from 80 to 100 DEG C so as to obtain the liquid rubber modified epoxy acrylate prepolymer. The prepolymer can be mixed with active diluting agent, optical initiator and assistant according to a certain proportion so as to obtain the flexible UV-light solidified paint, the flexibility of ...

High-efficient trapping system for micro-nano powder dust in air

The invention discloses an efficient trapping device of micro-nanometer dust in the air. The invention comprises an air trapping opening, a filter core, a sprayer, a big and small flow micro pump, an atomizing nozzle, a liquid storage chamber, trapping liquid, a baffle and a vacuum pump, which construct an air flow route and a liquid circulation route, the device designs the air containing dust and the trapping liquid to experience four different absorption and trapping processes continuously, so as to realize efficient trapping of the micrometer and nanometer dust composed of various grains. By changing the variety of the trapping liquid or adjusting the hydrophile-lipophile balance (HLB) value of the trapping liquid, and improving the wettability of the trapping liquid and the nano dust in the air, micro nanometer fiber, thin sheet dust and other solid dust particles of various forms, containing micro-nano particles, can be efficiently trapped. The invention designs a plurality of air-liquid ...

Insulation paint having both radiation heat insulation and obstructing type heat insulation and method for making same

Insulation paint with radiation heat insulation and barrier heat insulation and a preparation method thereof are provided, which belong to the water borne building energy saving coating field. The invention uses a transitional metal oxide, inorganic hollow particle and emulsion to produce the water borne building energy saving coating with good insulation, heat insulation effect and high performance. The coating consists of deionized water, propanediol, insulation functional materials, whiskers, pigments, fillers, emulsion and promoters. The coating performance of the coating formed on building walls is perfect. Compared with the single heat insulation mechanism insulation coating, the heat insulation effect is obvious and the heat insulation effect can lead the temperature difference to be 5 to 8 DEG C. With prominent weather resistant performance, color and luster preserving performance, water resistance and washing resistance, the coating is an insulation coating which is applied tothe ...

Bidirectional tosh grinding ultra-fine crashing objects and its method

The present invention discloses a bidirectional-rotating ball-milling ultra-fine crushing device and the method thereof. The device is arranged with a jacket which is provided with cooling water; a closed material storing warehouse which closes the feeding/discharging material opening is arranged at the lower end of the barrel body; a vacuum pumping valve which is connected with the vacuum pumpingdevice is arranged at random feeding/discharging cover plate on the barrel body; and an inner lining is arranged at the inner surface of the barrel body. The bidirectional-rotating ball-milling ultra-fine crushing method is doing vacuum pumping to the inner side of the barrel body and actuating the transmission device to do ultra-fine crushing when the raw material above 80 mu is added into the barrel body, wherein the rotary speed of the barrel is 40 to 70 rotation/minute and the rotary speed of the inner rotating axle is 20 to 40 rotation/minute; the mass of the grinding ball gradation phibetween ...

Method of solid self-assembly light polymerization technique for preparing crystalline state polymer in each different configuration

Bidirectional tosh grinding ultra-fine crashing objects and its method

The present invention discloses a bidirectional-rotating ball-milling ultra-fine crushing device and the method thereof. The device is arranged with a jacket which is provided with cooling water; a closed material storing warehouse which closes the feeding/discharging material opening is arranged at the lower end of the barrel body; a vacuum pumping valve which is connected with the vacuum pumping device is arranged at random feeding/discharging cover plate on the barrel body; and an inner lining is arranged at the inner surface of the barrel body. The bidirectional-rotating ball-milling ultra-fine crushing method is doing vacuum pumping to the inner side of the barrel body and actuating the transmission device to do ultra-fine crushing when the raw material above 80 mu is added into the barrel body, wherein the rotary speed of the barrel is 40 to 70 rotation/minute and the rotary speed of the inner rotating axle is 20 to 40 rotation/minute; the mass of the grinding ball gradation phi between ...

Method for producing ultra-fine adamantine element

The invention discloses a coal-based composite powder (superfine diamond element) that has wide application prospect and an industrial production method thereof. The coal-based composite powders is prepared after ultra-attenuation and sitc of high quality aged coal and a few inorganic powders by adopting the processes of coarse crushing, fine crushing and super fine crushing. The process flow is simple and reasonable, has low energy consumption, high production efficiency and large outcome. Since the coal-based composite powder is obtained by combining special high quality anthracite (with carbon content as high as 90 percent) and a few inorganic powders by ultra-attenuation and sitc, depending on the macromolecule network structure of coal ,the rigid structure of the special inorganic powders as well as the crosslinking function produced during the blending with polymer materials, the invention not only results in excellent mutual compatibility, but also improves mechanical properties, ...

Intelligent inspection system for pressure vessel

The invention discloses a pressure vessel intelligent inspection system which comprises an electric control cabinet, an electric control assembly, a support assembly and a gas path system, the support assembly is used for supporting the gas path system, a walking supporting mechanism is used for supporting and transferring a high-pressure vessel, and a guide mechanism and a positioning mechanism are arranged between the walking supporting mechanism and a support. An elastic gas supply connector assembly and/or an elastic self-sealing connector assembly are/is installed at the end of each movable connecting pipe of the gas path system and fixedly connected with a pipe connector flange of the pressure container, a gas pressure sensor is installed on each gas conveying pipeline, and the controller is used for controlling opening and closing of each gas conveying electromagnetic valve. The electronic control panel receives signals of all the air pressure sensors, processes the signals and outputs ...

Adjusting device that deep basal pit steel shotcrete prestressing force was applyed

The utility model discloses an adjusting device that deep basal pit steel shotcrete prestressing force was applyed, include the utility model discloses a realize by following technical scheme, designed an adjusting device that deep basal pit steel shotcrete prestressing force was applyed stay tube, stiff end, loose end and first ring flange, loose end is the side's of including cushion, square cushion gag lever post, first drift and second drift still, has the elliptical aperture on the second drift, the elliptical aperture becomes 3 with the telescopic link extension line, and this device can guarantee through first drift, second drift, elliptical aperture, adjusting bolt and spacing lock that the second drift can not receive the influence of first drift and take place the displacement phenomenon, improves the prestress application efficiency of even of drift combination. Relative position can realize the fine setting between second drift and the telescopic link, makes things convenient ...

High-efficient trapping system for micro-nano powder dust in air

The invention discloses an efficient trapping system of micro-nanometer dust in the air. The invention comprises an air trapping opening, a filter core, a sprayer, a big and small flow micro pump, an atomizing nozzle, a liquid storage chamber, trapping liquid, a baffle and a vacuum pump, which construct an air flow route and a liquid circulation route, the system designs the air containing dust and the trapping liquid to experience four different absorption and trapping processes continuously, so as to realize efficient trapping of the micrometer and nanometer dust composed of various grains. By changing the variety of the trapping liquid or adjusting the hydrophile-lipophile balance (HLB) value of the trapping liquid, and improving the wettability of the trapping liquid and the nano dust in the air, micro nanometer fiber, thin sheet dust and other solid dust particles of various forms, containing micro-nano particles, can be efficiently trapped. The invention designs a plurality of air-liquid ...

Nano material recycling-free efficient water treatment process

The invention discloses a nanophase material recovery-free high-effective water processing method. The method is as follows: nano-sized photocatalysis material and micron loaded particles are compounded; nano composite material is uniformly loaded by special adhesive on rotary vanes of a device which treats sewage and wastewater by high-effective photocatalysis; photocatalytic degradation is carried out on the sewage and wastewater by the device which treats sewage and wastewater by high-effective photocatalysis. The method does not need to recycle photocatalytic nano material, can avoid the investment of additional equipment and technique owing to the recycle of the nano material, can avoid problems such as secondary pollution and the like caused by immature technique, enormous equipment investment and incomplete recovery being faced owing to the recovery of the nano material in the water treatment, namely, can avoid the second pollution of water quality, soil and interrelated organism ...

Health food capsule with functions of sobering up, detoxicating, nourishing heart, tranquilizing and protecting liver and its production process

In the present invention, a health food capsule is prepared with the material including Hovenia dulcis fruit, pearl, common jujube and kudzu vine root and through disinfection, crushing, superfine grinding to 500 mesh, capsulizing and other step. It has the functions of sobering up, detoxicating, nourishing heart, tranquilizing and protecting liver and heart. Taking it while drinking can reduce the harm of free radical produced by ethanol in spirit on human body obviously.

Asbestos-free whisker friction material and preparation method thereof

The invention relates to amianthine cat whisker-free friction material and the preparation method thereof, and belongs to the friction material industry technical field. The components of the amianthine cat whisker-free friction material of the invention mainly contain binding agent, reinforcing material, frictional property regulating reagent, cat whisker material and fillings, and contain no asbestos fiber, the cat whisker material is adopted to be filled in the friction material to improve the wear resistance of the friction material, protect the environment, and prolong the service life of an arrester gland. The friction material can be used in a high level car and a passenger car, or a heavy duty freight car, and the arrester glands of the cars have the advantages that the friction coefficient is stable, the wear resistance is good, the braking is comfortable, the pollution is free, and the noise is free, the service life can be improved by 30 percent, the friction coefficient reaches ...

Asbestos-free whisker friction material and preparation method thereof

Insulation paint having both radiation heat insulation and obstructing type heat insulation and method for making same

Insulation paint with radiation heat insulation and barrier heat insulation and a preparation method thereof are provided, which belong to the water borne building energy saving coating field. The invention uses a transitional metal oxide, inorganic hollow particle and emulsion to produce the water borne building energy saving coating with good insulation, heat insulation effect and high performance. The coating consists of deionized water, propanediol, insulation functional materials, whiskers, pigments, fillers, emulsion and promoters. The coating performance of the coating formed on building walls is perfect. Compared with the single heat insulation mechanism insulation coating, the heat insulation effect is obvious and the heat insulation effect can lead the temperature difference to be 5 to 8 DEG C. With prominent weather resistant performance, color and luster preserving performance, water resistance and washing resistance, the coating is an insulation coating which is applied to ...