779results about How to "Not easy to adsorb" patented technology

The invention belongs to the technical field of high-polymer materials and discloses a resin material, a preparation method and applications of the resin material. The resin material disclosed by the invention comprises the following components in parts by weight: 70-95 parts of high-polymer resin, 1-15 parts of conducting material, 3-14 parts of compatilizer, 0.5-1 part of antioxidation aid and 0.5-1 part of processing aid. The preparation method for the resin material disclosed by the invention comprises the following steps of: weighing 70-95 parts of high-polymer resin, 1-15 parts of conducting material, 3-14 parts of compatilizer, 0.5-1 part of antioxidation aid and 0.5-1 part of processing aid; putting in a high-speed mixing machine and fully mixing; delivering a mixed material into a twin-screw extruder by using a metering material conveying device; fully mixing the material under the shearing actions of screws; performing extrusion, bracing, cooling and grain cutting on a molten blend; and packaging into a finished product. The resin material disclosed by the invention has an anti-static dustproof effect, is excellent in surface effect and can be used for manufacturing card readers or electrical equipment enclosures and the like.

The invention discloses a mud-resistant polycarboxylic acid water-reducing agent and a preparation method thereof. The mud-resistant polycarboxylic acid water-reducing agent disclosed by the invention is prepared by copolymerizing an unsaturated polyalkylene dialcohol ether monomer a, an unsaturated carboxylic acid monomer b, unsaturated acid hydroxyalkyl ester c and an ammonium salt cationic unsaturated monomer d through free radicals under the action of an initiator and a chain transfer agent; and the mol ratio of the monomer a to the monomer b to the monomer c to the monomer d is 1.0:(2.0-4.2):(0.2-1.0):(0.1-0.5). Under the condition that aggregates contain mud, the dispersion effect of the mud-resistant polycarboxylic acid water-reducing agent disclosed by the invention is obviously prior to that of the traditional water-reducing agent; and the mud-resistant polycarboxylic acid water-reducing agent not only has low amount of admixture but also has better keeping property.

The present invention relates to the technical field of low temperature denitration catalysts, and in particular discloses a low temperature denitration catalyst for anti SO2 and H2O poisoning and a preparation method of the same. According to the preparation method of the low temperature denitration catalyst for anti-SO2 and H2O poisoning, a horeycomb ceramic matrix is chosen, and firstly a TiO2-molecular sieve is dipped, the TiO2-molecular sieve coating is coated by composite sol, and finally loaded active components Mn, Fe, Ce, and Sn are dipped. Furthermore, a certain amount of SO42- can be doped into the dipped active components, and a carrier can be loaded with the SO42-. The preparation method is simple in operation and low in costs, and the prepared catalyst is high in low-temperature activity and wide in high-activity temperature window, and can maintain a good nitrogen oxide removal rate and water and sulfur tolerance at 120-300 DEG C, and is suitable to be used behind a precipitator of a thermal power plant and in the field in which flue gas temperature is 120-300 DEG C, such as an industrial kiln.

The invention discloses a staining-resistant heat-insulation coating. The staining-resistant heat-insulation coating comprises the following ingredients by part by weight: 15 to 40 parts of film-forming latex, 10 to 40 parts of fluroresin latex, 10 to 30 parts of heat reflection paint, 5 to 15 parts of hollow ceramic micro beads, 8 to 16 parts of packing, 1.5 to 5 parts of additive, and deionizedwater in balancing amount. As the ingredients such as water-based fluroresin latex are added into the film-forming latex, the purposes of staining resistance and heat insulation are realized. The invention further provides a preparation method of the staining-resistant heat-insulation coating, which comprises the following steps: adding the deionized water, part of the additive, the heat reflection paint, the packing and the hollow ceramic micro beads into a grinder; grinding to obtain a slurry; transferring the slurry to a deconcentrator; adding the film-forming latex, the fluroresin latex and the rest of additive into the slurry; stirring till the ingredients are dispersed; and filtering to obtain the staining-resistant heat-insulation coating. Therefore, the preparation technology is simple; the application is easy; and the operation is simple and convenient.

The invention discloses a preparation method for activated carbon special for the removal of low-concentration formaldehyde in a room. The preparation method is characterized by comprising the following steps of pre-treating commercial activated carbon serving as a raw material, and performing modification, washing, filtering and drying to prepare an activated carbon material for removing the formaldehyde at room temperature. The obtained modified activated carbon is high in low-concentration formaldehyde removal efficiency, low in cost and easy to operate; when the concentration of the formaldehyde is 20ppm, 85 to 95 percent of formaldehyde can be adsorbed by the material.

The invention relates to a method for manufacturing a digital PCR (polymerase chain reaction) chip based on a mineral-oil saturated PDMS (polydimethylsiloxane) material. The method is characterized in that the digital PCR chip based on PDMS is prepared from a PDMS monomer of a certain amount of mineral oil (liquid paraffin) and comprises an emulsion droplet generation structure and an emulsion droplet collection structure. After the emulsion droplets are made and collected on the same chip, the emulsion droplets are subjected to PCR amplification on the same chip. The phagocytosis to the oil phase in the digital PCR system by the PDMS of the chip can be avoided, the emulsion droplets can be kept stable during PCR, and the stability of the PCR can be guaranteed. In addition, compared with the existing technology of the digital PCR chip, the method provided by the invention is low in cost, is convenient to operate and has a very wide application prospect.

The invention relates to procedures of soil disinfection to prevent and wipe out facility vegetable soil-borne diseases, operation steps are as follows: smoothing and watering the soil during the season with high temperature and good illumination to make sure relative humidity of the soil is 65%-80%, liming calcium cyan amide equably 6-100kg per 1000 m2 two days after watering, ploughing under to 30-40cm to make sure that the calcium cyan amide and the soil are mixed equably, confining the surface of the soil with transparent film and the booth or glasshouse totally for 12-20 days. The invention is mainly used for preventing and curing facility vegetable soil-borne diseases of cucumber, tomato, hot pepper, eggplant and so on, caused by pathogeny epiphyte, bacteria and wireworm. The invention prevents and cures soil-borne diseases greatly and duratively, offering vegetables nitrogen, decrease the accumulation of nitrate, accelerating plant growth. Said procedures of soil disinfection are novel to operate with easy steps, low cost, high efficiency and safety, significant economic benefit.

The invention discloses an application of metal fullerene monocrystal nanoparticles in preparation of a tumor vascular disrupting agent. The monocrystal nanoparticles are water-soluble metal fullerene nanoparticles with the surface charged with negative electricity, and have the particle size range of 50-250 nm; the nanomaterial can absorb and convert outside world radiation energy into heat energy, and the volume is expanded sharply when a temperature reaches a phase transition point. During treatment, a tumor-carried living organism is injected and given with the metal fullerene monocrystal nanoparticles; the metal fullerene monocrystal nanoparticles reach a tumor part through blood circulation, and are stranded at tumor pores and defective parts; under the action of the outside world radiation energy, the metal fullerene monocrystal nanoparticles accumulate heat, the temperature rises, and the volume is expanded sharply when the temperature exceeds the phase transformation critical point, so that morphological structures or functions of tumor vascular endothelial cells are changed, and tumor vessels are interdicted so as to make the tumor cells starved to death.

The invention discloses an antistatic PC/ASA (polycarbonate/acrylonitrile styrene acrylate copolymer) alloy plastic for automotive interior trim parts and a method for manufacturing the antistatic PC/ASA alloy plastic. The antistatic PC/ASA alloy plastic for the automotive interior trim parts comprises, by weight, 60-80% of PC resin, 10-20% of ASA resin, 2-6% of toughening agents, 0.3-0.9% of antioxidants, 0.2-0.6% of ultraviolet absorbents, 0.1-0.3% of lubricants, 5-15% of antistatic agents and 0.2-0.6% of chain extenders. The antistatic PC/ASA alloy plastic for the automotive interior trim parts and the method have the advantages that the antistatic PC/ASA alloy plastic is excellent in antistatic performance and mechanical performance, high in strength and good in rigid-tough balance and is heat-resistant, light-resistant and anticorrosion, dust cannot be easily sucked by the surfaces of the antistatic PC/ASA alloy plastic, and the automotive interior trim parts in various shape can be made of the antistatic PC/ASA alloy plastic by means of injection molding.

The invention discloses NVH (noise, vibration and harshness) semi-anechoic room test system and method. The NVH semi-anechoic room test system comprises an anechoic room, a dynamometer chamber, a sound arrester and a sound-proof wall. The anechoic room is used for containing a device to be tested. A test bench base is arranged in the anechoic room, and the device to be tested is fixed on the test bench base. Elastic dampers are disposed between the test bench base and the base floor in the anechoic room. The dynamometer chamber is used for containing a test device. The test device comprises a dynamometer. The dynamometer chamber is provided with a dynamometer bottom plate. The test device is fixed on the dynamometer bottom plate. Elastic dampers are disposed between the dynamometer bottom plate and the base floor in the dynamometer chamber. The sound arrester encloses the device to be tested so as to spatially isolate the anechoic room and the dynamometer chamber and isolate sound. The soundproof wall is provided with a plurality of connecting shafts which penetrate through the soundproof wall in soundproof manner and are used for connecting the test device and the device to be tested for testing. The NVH semi-anechoic room test system can meet the multi-mode test needs and is effective in sound proofing and accurate in test data.

The invention discloses a dendritic polyether clay shale inhibitor and a preparation method and an application thereof. The inhibitor is the dendritic polyether clay shale inhibitor obtained by reacting an amino-terminated dendritic polymer and alkyleneoxide. The dendritic polyether clay shale inhibitor has excellent shale inhibition performance, can obviously inhibit hydration expansion and dispersion of the clay shale, has good synergistic inhibition with sylvite, and has advantages of outstanding performance, good environment acceptability, and long aging effect.

The invention discloses a layered acquisition apparatus and monitoring method for soil gas, belonging to the technical field of soil monitoring. The layered acquisition apparatus comprises a well casing body; the well casing body comprises filtering sections and interlayer sections; sealing and separating plates are arranged in the parts, corresponding to the interlayer sections, of the well casing body; the interior of the well casing body is divided into a plurality of sampling chambers by the sealing and separating plates; the parts, corresponding to the filtering sections, of the wall of the well casing body are provided with sieve pores; the well casing body is also internally provided with a plurality of groups of gas sampling pipes having opened bottoms and located in different sampling chambers; and each group of gas sampling pipes comprises a gas inlet pipe and a gas outlet pipe which are correspondingly arranged. As the layered acquisition apparatus is placed in a wellhole, the acquisition apparatus can simultaneously acquire and monitor to-be-detected gas at different lengths and effectively guarantees gas sampling quality, so the accuracy of monitoring results of soil gas is guaranteed.

The invention provides an acrylic ester pressure-sensitive adhesive for a window film. Raw materials of the adhesive are composed of an acrylate monomer, a functional monomer, a polymerizing surface active monomer, an initiating agent and an organic solvent, and the adhesive is mainly used as automobile films. A preparation method of the adhesive is adding the acrylate monomer, the functional monomer, the polymerizing surface active monomer and the initiating agent into the solvent slowly to be polymerized. The adhesive is good in anti-static effect and transparent performance, strong in adhesion and high in peel strength.

The invention discloses a flexible transparent nano heat-insulation film which comprises an organic flexible substrate, a nano antimony tin oxide layer coated on one side of the organic flexible substrate, a TiO2 layer coated on the other side of the organic flexible substrate, a SiO2 layer coated on the other side of the TiO2 layer, and a pressure-sensitive adhesive coated on the other side of the SiO2 layer. The invention also discloses a preparation method of the flexible transparent nano heat-insulation film, which comprises the following steps: 1) preparing a TiO2 coating slurry; 2) preparing a SiO2 coating slurry; 3) preparing a nano antimony tin oxide slurry; 4) coating a nano antimony tin oxide absorptive heat-insulation layer; 5) coating a SiO2/TiO2 reflective heat-insulation layer; and 6) coating the pressure-sensitive adhesive. The method enhances the heat-insulation efficiency of the heat-insulation film, so that the indoor/outdoor temperature difference can reach 10 DEG C; the visible light transmittance of the heat-insulation film is up to 80%; the adhesive force of the coating on the flexible substrate surface reaches Grade 1; the heat-insulation layer can not easily absorb dust, and thus, can not be easily polluted; and the heat-insulation film can be easily attached to or peeled from the surface of the glass, ceramic or any other substrate.

A coated parting film for the high-speed packing machine is composed of a plastic film as substrate and parting paint layer. Its preparing process includes such steps as preparing the solvent-type organosilicon paint from organosilicon resin paint, organic solvent, catalyst, anchoring agent and bridging agent, coating it on plastic film, baking and solidifying.

The packing material is three-layered material, including the outer layer of LDPE, LLDPE, MPE, white mica, antiblocking agent and lubricant; the middle layer of LDPE, LLDPE, MPE, white premix and black premix; and the inner layer of LDPE, LLDPE and MPE. The preparation process includes the following steps: feeding material with material bin, heating to melt, extruding in extruder, foaming, debubbling and drawing corona treatment, cutting and winding. The packing material has few plastic smell, high flatness and flexibility, good brightness, high tension strength, high blocking property, less oxidation and less electrostatic adsorption.

The invention discloses an antistatic optical substrate preparation method, pertaining to the lens coated optics manufacturing technology. The method includes: cleaning the substrate and then placing in a fine vacuum machine whose vacuum degree is pumped to1*10 [-5] Torr to 5*10 [-5] Torr, depositing a film with alternated high refractivity film layer and low refractivity coating film layer in sequence on the substrate, and then evaporating a super water proof coating material WR5 and then evaporating and placing on the film layer in molecular status to form a new layer of film (wherein, the film thickness is 120-220nm), and then removing the substrate to form an antistatic optical substrate. The optical lens can play an antistatic (electrostatic isolation) role, which is not liable to adsorb dust and can remain cleanly and sanitary for a long time.

A process for preparing the anode catalyst Pt/PANI/MWNT able to be directly used for methanol fuel battery includes such steps as adding sulfuric acid solution containing disperser into container, adding multi-wall carbon nanotubes, ultrasonic oscillating, adding phenylamine and ammonium persulfate solution, reacting, washing, baking to obtain polyphenylamine/multi-wall carbon nanotubes carrier, adding additive contained buffering solution of acetic acid, ultrasonic oscillating, adding chloroplatinic acid solution, continuous oscillating while heating and dropping sodium borohydride solution, reacting, filtering, washing and baking.

The invention discloses a machining method of a micro-drop and micro-fluidic control chip. The method comprises the following steps: (1) designing and prefabricating a channel structure of the micro-drop and micro-fluidic control chip; (2) cutting component sheet glasses matched with the channel structure on a glass slide; (3) constructing the channel structure on a substrate by the component sheet glass; arranging a cylindrical glass capillary tube with a tapering tail spine and a cylindrical capillary tube in a microchannel of the channel structure, inserting the tail spine of the cylindrical glass capillary tube with the tapering tail spine into the cylindrical glass capillary tube and coaxially arranging the cylindrical glass capillary tube and the tail spine; and then linking a cover glass; and (4) inserting a plain end of the cylindrical capillary tube with the tapering tail spine into a thin tube with the inner diameter matched with that of the cylindrical capillary tube, and then inserting the thin tube into a gas between the component sheet glasses. According to the machining method, the process technology of the micro-drop and micro-fluidic control chip does not adopt a traditional etching method, so that the complicated processes such as photoetching can be avoided, the related expensive equipment can be omitted, and the dependence on professionals for MEMS (Micro Electro Mechanical System) can be abandoned.

The invention provides a polyamino acid grafted copolymer shown as a formula (I). a preparation method of the polyamino acid grafted copolymer comprises the following step of: reacting polyamino acid, hydrophilic compound and hydrophobic compound under the action of a condensation accelerator, so as to obtain the polyamino acid grafted copolymer shown as the formula (I), wherein the polyamino acid is a copolymer of polyglutamic acid, polyaspartic acid or polyglutamic acid-polyaspartic acid; the hydrophilic compound is any one of compounds shown as formulas (5)-(8); and the hydrophobic compound is polyester containing hydroxyl, C8-C30 fatty alcohol or biological micromolecule with biological activity. The polyamino acid grafted copolymer prepared by the invention is stable in water-based medium, is difficult to deposit, can stably wrap drug and is applicable to vein transmission of the drug; and meanwhile, a main chain and a side chain of the polyamino acid grafted polymer are natural or synthetic molecules with good biocompatibility, so that the polyamino acid grafted copolymer has good biocompatibility and degradability.

The invention relates to a dendritic quaternary ammonium salt shale inhibitor as well as a preparation method and application thereof. The dendritic quaternary ammonium salt shale inhibitor is a modified product obtained by quaterisation reaction of terminal amino dendritic polymer, cyclic ether and tertiary amine. The preparation method comprises the following steps: dissolving the terminal amine dendritic polymer into a dissolving solvent, then slowly dropwise adding the tertiary amine, stirring for 0.5 to 3 hours at a room temperature, and then slowly dropwise adding the cyclic ether; raising the temperature to be 40 to 90 degree centigrade after dropwise adding is finished, and reacting for 2 to 12 hours; removing the dissolving solvent through evaporation, adding a deposition solvent to deposit out a solid body, and vacuum-drying the solid body, thereby obtaining the dendritic quaternary ammonium salt shale inhibitor. The dendritic quaternary ammonium salt shale inhibitor provided by the invention has excellent inhibition performance, can effectively inhibit hydration dispersion of active clay shale (high montmorillonite content), and can effectively perform an inhibition effect under a low concentration.