37results about How to "Play a hydrophobic role" patented technology

The invention discloses amphiprotic amphiphilic leather retanning fatting agent and a preparation method of the amphiprotic amphiphilic leather retanning fatting agent. The constituent of the amphiprotic amphiphilic leather retanning fatting agent is (methyl) crylic acid-N-alkyl diene propyl amine-diallylamine terpolymer. According to the preparation method of the amphiprotic amphiphilic leather retanning fatting agent, N-alkyl diene propyl amine is firstly prepared, then the N-alkyl diene propyl amine, diallylamine, and (methyl) crylic acid are adopted for a free radical copolymerization reaction under the acidic condition to obtain an aqueous dispersoid containing the (methyl) crylic acid-N-alkyl diene propyl amine-diallylamine terpolymer, the solid content of a product is adjusted to 15-20% with water, and the amphiprotic amphiphilic leather retanning fatting agent is obtained. The molecular structure of the amphiprotic amphiphilic leather retanning fatting agent contains carboxyl of negative ions and tertiary amino of positive ions, and the polymer can display different electrical properties under different conditions of potential of hydrogen (PH), meanwhile the polymer contains alkyl of a long chain, and functions of lubrication fibers can be achieved. The polymer has the function of retanning, fatting and dyeing assistance at the same time, physical and mechanical properties of processed crust leather, such as tensile strength, fullness, softness and elasticity, are all improved, the surface of the processed crust leather is strong in lubrication feel and comfortable in hand feel, and the leather has a good waterproof performance.

The invention provides a phosphate leather fat liquoring agent and a preparation method thereof. A phosphorylated polyether modified aminosilicone leather fat liquoring agent is prepared by modifying aminosilicone with allyl polyether and P2O5 serving as raw materials. An active group phosphate radical in a molecular structure can react with an amino group in a leather fiber structure, and can be tightly combined with chromium in chrome tanned leather in the form of a coordination bond, so that a phosphorylation product can be stored in leather fiber for a long time, and leather is endowed with certain flame retardance and antistatic property. A certain quantity of hydrophilic oxyethyl groups are introduced onto the molecular structure, so that the properties of water solubility, acid resistance, electrolyte resistance and the like of aminosilicone are improved effectively, and the self-emulsifying property of aminosilicone is enhanced. Aminosilicone is a leather fat liquoring agent per se, and can be used for endowing leather with higher flexibility and fullness and enhancing the physical and mechanical properties such as tear resistance, thickening rate and the like of the leather; and the leather fat liquoring agent with the structure has higher development and application values.

The invention relates to a swirling de-swirling coupled efficient dedusting and demisting assembly. The assembly is arranged above a spraying layer in a desulfurizing absorption tower, and comprises multiple dedusting and demisting units, wherein each dedusting and demisting unit comprises an outer cylinder, and a first stage of centrifugal swirling plate, a second stage of centrifugal swirling plate and a de-swirling hydrophobic plate provided at the top of a hollow complex cylinder aslant which are sequentially and parallelly arranged inside the outer cylinder from bottom to top, and gaps for liquid film falling are reserved among the outer edge of the first stage of centrifugal swirling plate, the outer edge of the second stage of centrifugal swirling plate and the inner wall of the outer cylinder. Compared with the prior art, the swirling de-swirling coupled efficient dedusting and demisting assembly has the advantages of simple and compact overall structure, low investment cost, good operation stability, no scaling blockage risks, capability of realizing deep dedusting and demisting on saturated wet flue gas after desulfurizing, low resistance loss, and good application prospect under lower investment cost and operating cost.

The invention relates to a top water-drainage device for a gas exhaust chimney for industrial hazardous waste incineration, and the top water-drainage device is arranged between a chimney inner barreland a jacket of an outer barrel. The top water-drainage device is characterized in that a jacket cover plate is arranged on the outer wall of the chimney inner barrel, wherein the tail end of the jacket cover plate is connected with a water stop plate; the water stop plate is arranged at the outer side of the chimney outer barrel; the jacket cover plate and the water stop plate are taken as an integer to freely move along with thermal-expansion and cold-contraction of the chimney inner barrel; and a water collector is arranged on the bottom of the jacket cover plate. The top water-drainage device can effectively prevent liquid with corrosion from corroding the chimney inner barrel and the chimney outer barrel.

The invention discloses an electromagnetic shielding and hydrophobic functional fabric with high absorption characteristics and a preparation method thereof. The preparation method comprises the mainoperation steps of coating a textile with conductive filler dispersion liquid to obtain a conductive coating; and preparing a hydrophobic polymer nanoparticle composite solution, and coating the obtained conductive cotton fabric with the hydrophobic polymer nanoparticle composite solution to prepare a polymer composite microsphere coating. The fabric prepared by the method has good electromagneticshielding performance on the basis of keeping the softness of the fabric, the absorption loss of the fabric is increased by regulating and controlling electromagnetic parameters of the fabric, the reflection and secondary radiation of electromagnetic waves are greatly reduced, meanwhile, the prepared electromagnetic shielding fabric also has a hydrophobic function, and the preparation method is simple, convenient, feasible and low in cost.

The invention relates to the technical field of household textile articles and provides a curtain fabric with a good waterproof performance. The curtain fabric is prepared from bamboo fibers, corn fibers, mulberry silk, linen fibers and waterproof modified polyester fibers. The two sides of the curtain fabric are coated with waterproof layers. The waterproof modified polyester fibers are prepared from polyethylene glycol terephthalate, alpha cellulose, cocamidopropylamine oxide, vermiculite, sepiolite, a vinyl silicane coupling agent and viscose fibers. The curtain fabric is provided with the waterproof layers, so that curtains can be prevented from being soaked by rainwater and rainwater can be stopped by curtains from entering rooms; a small amount of rainwater soaking curtains can be absorbed by waterproof modified polyester fibers, bamboo fibers, corn fibers, mulberry silk, and linen fibers, so that a good waterproof performance can be achieved; selected bamboo fibers, corn fibers, linen fibers and mulberry silk guarantee great air permeability of curtains.

The invention belongs to the technical field of preparation of polyester powder coatings, and particularly relates to a long-acting weather-resistant chlorine salt corrosion-resistant polyester powdercoating and a preparation method thereof. The powder coating comprises the following main raw materials in parts by weight: 530-560 parts of polyester resin, 45-60 parts of TGIC, 10-15 parts of triglycidyl trimellitate, 120-180 parts of titanium dioxide, 80-120 parts of barium sulfate, 8-12 parts of a brightening agent and 7-10 parts of leveling agent. The polyester resin used in the powder coating is good in linear structure, and excellent flowing performance is guaranteed; more trifunctional curing agents TGIC are used in the powder coating and matched with triglycidyl trimellitate with a low melting point and excellent water resistance to jointly serve as a low-temperature curing agent, the crosslinking density and water resistance of a coating film are further improved, and finally long-acting weather resistance and chlorine salt corrosion resistance are guaranteed. The final powder coating product can be used for low-temperature curing at 160 DEG C, and the prepared coating filmhas excellent long-acting weather resistance and chlorine salt corrosion resistance, and is especially suitable for infrastructure spraying of expressways, such as guardrails and bridges.

The invention relates to an iridescence printing technology. The iridescence printing technology comprises the following steps that (1) anti-forgery ink is prepared; (2) a printing shading A is designed; (3) the printing shading A is divided into a shading B, a shading C and a shading D, and the shading B, the shading C and the shading D are output to be manufactured into a printing plate B, a printing plate C and a printing plate D, wherein the shading B and/or the shading C and/or the shading D are/is iridescence printing shadings; (4) the printing plate B, the printing plate C and the printing plate D are installed on different printing units which are set in advance correspondingly; (5) after the printing units are debugged, the shading B, the shading C and the shading D are overprinted together; and (6) protective ink printing is carried out. According to the iridescence printing technology, the limitation of forms of single stripes generated by a traditional mechanical iridescence printing technology is combined with an iridescent pattern design printing technology, so that more abundant iridescence printing effects are generated, and the higher-end anti-fake function is achieved; and since a vacuum coating film is arranged, the ink print is prevented from falling off.

A processing method for solid wood flooring for floor heating. First, the blank is placed in a superheated steam box for soaking treatment, and then the blank is placed in a vacuum heating container filled with phenolic resin for modification, and then sent into a high-temperature atmosphere furnace. The blank is subjected to two carbonization treatments: after the first carbonization treatment is completed, the blank is first placed in a saturated steam box for humidity control and moisture recovery treatment, and then a silicon carbide coating is sprayed on its lower surface, and then the second carbonization treatment is performed; finally Put it into a vacuum heating container equipped with phenolic resin and modify it again, and after sealing the paint on each surface of the blank, you can get a solid wood floor for floor heating; the solid wood floor prepared by the invention can be used for floor heating, and has anti-corrosion Insect-proof performance, does not contain any harmful substances, and has no negative impact on human body and environment.

The invention discloses a composite dielectric layer digital microfluidic chip and a preparation method thereof, wherein the chip comprises an upper base plate and a lower base plate, the upper base plate comprises an upper substrate, a grounding electrode on the upper substrate, and a hydrophobic layer above the grounding electrode, and the lower base plate comprises a lower substrate, a drivingelectrode on the lower substrate, and a high dielectric constant nanoparticle/Teflon composite film above the driving electrode. According to the present invention, the high dielectric constant nanoparticle/Teflon composite film is used as the dielectric layer in the digital microfluidic device, integrates the functions of the dielectric layer and the hydrophobic layer, can simultaneously provideeffects of insulation and hydrophobicity, and further can significantly reduce the driving voltage of the digital microfluidic chip and the complexity of the preparation process.

The invention discloses a preparation method of a super-concentrated carboxyl-based ester-based polymer. The super-concentrated carboxyl-based ester-based polymer is prepared from the raw materials inparts by mass: 1.2-2.7 parts of hydrophilic small monomer for emulsification, 3.3-5.6 parts of hydrophobic small monomer for emulsification, 16-37 parts of carboxyl small monomer, 0.05-0.21 parts ofemulsion initiator, 2.1-5.2 parts of initiator a, 3.2-6.5 parts of initiator b, 370-440 parts of small ester-based monomers, 3.7-8.6 parts of a cross-linking agent, 3.5-7.7 parts of flexible small monomers, 19-44 parts of polyether, 0.2-0.8 part of oxidized graphene, 0.10-0.29 part of a chain transfer agent, 5-10 parts of a neutralizing agent, 5-10 parts of a pH regulator, 2.0-5.0 parts of co-emulsifier, 0.4-1.0 part of liquid film enhancer and the balance of water, the total raw materials is 1,000 parts, and the solid content is 50%. The hydrophobic monomers are adopted to prepare the polymeremulsion with excellent water resisting property. The emulsifier is self-made super-concentrated emulsifier, the generation of bubbles during the reaction is reduced, and the initiators with different initiation efficiency are adopted to stabilize the reaction rate. The polyether is added in the preparation method, and the polymer emulsion is enabled to have better connection property, and further has a good repairing effect as a waterproof coating.

The invention relates to a construction decoration material, particularly to an environment-friendly water-resistant interior wall putty powder. The environment-friendly water-resistant interior wall putty powder comprises the following components: 50 to 85 parts of white cement, 15 to 25 parts of GR compound titanium oxide pigment, 4 to 10 parts of carboxymethylcellulose, 0.5 to 1.5 parts of bentonite, 2 to 8 parts of negative ion powder, 2 to 5 parts of a water-retaining thickening agent, 4 to 8 parts of high-polymer polypropylene ammonia and 0.1 to 1 part of a preservative. The environment-friendly water-resistant interior wall putty is simple in ingredient, environment-friendly, capable of optimizing environment, good in water resistance, easy to construct and low in cost.

The invention discloses a temporary steel protective coating. The temporary steel protective coating comprises the following components in percentage by weight: 10-20% of tetraethoxysilane, 3-8% of silane monomer, 35-50% of water, 0.001-0.01% of acidic catalyst, 30-40% of mixed solvent and 1-5% of silane coupling agent. According to the invention, during coating synthesis, tetraethoxysilane, a silane monomer, a mixed solvent, water and an acidic catalyst are subjected to a sol-gel method, thus an organic-inorganic composite material is prepared through self-assembly and is of a three-dimensional mesh structure. A large number of hydroxyl groups are contained in the structure, thus the organic-inorganic composite material can be well combined with chemical bonds on the surface of steel. Thestructure contains one or more organic groups such as methyl capable of exerting hydrophobic effect, thus a base material is separated from water vapor and protection efficacy is achieved. Meanwhile,due to the organic-inorganic hybrid property of the material, the material is excellent in combination with silicates, the material can be used for temporary protection in an early stage of use by building steel and lasting protection after use by the building steel, and the performance of the material is superior to that of a method for spraying a layer of silane coupling agent diluent on the surface of the base material.

The invention relates to the technical field of carbon enzyme, and in particular, relates to a preparation process of nano carbon enzyme, wherein the preparation process comprises the following steps: S1, weighing raw materials: weighing the following raw materials in parts by weight: 8-12 parts of carbon enzyme, 22-35 parts of plant ash, 15-22 parts of bentonite, 20-30 parts of water, 10-18 parts of a nitrogen fertilizer, 9-15 parts of a phosphate fertilizer, 18-25 parts of a potash fertilizer, 0.5-2 parts of macromolecular chitosan, 2-4 parts of polyferric sulfate, 3-6 parts of honey and 8-12 parts of vegetable oil; S2, mixing and stirring; S3, carrying out freeze-drying treatment; S4, carrying out granulation treatment; and S5, carrying out film covering treatment. The nano carbon enzyme prepared through the process can effectively improve the soil fertility, the utilization rate of nitrogen elements and phosphorus elements can be increased to about 50%, the activity of probiotics in soil can be improved, and growth of plants is further facilitated.

The invention discloses a formaldehyde self-absorption type foam glass insulation board, and belongs to the field of foam glass insulation boards. The formaldehyde self-absorption type foam glass insulation board is characterized in that purification balls are fixedly connected to the interiors of insulation holes inside a foam glass insulation board body, adsorption balls are fixedly connected to the interiors of the purification balls, the interiors of the adsorption balls are made of nano crystalline, activated carbon is evenly distributed on the outer surfaces of bamboo fibers communicating with the outer surfaces, the formaldehyde purification effect can be effectively achieved, and therefore indoor formaldehyde can be conveniently removed, staggered nets are arranged in a staggered mode, drying pieces are fixedly installed at the joints of the staggered nets, light balls with the interior made of silica gel are fixedly installed at the outer ends of the drying pieces, under the action of waterproof pieces, the hydrophobic effect can be effectively achieved, water erosion can be effectively prevented, sound absorption pieces are evenly distributed inside ventilation grooves, binding holes are evenly distributed inside the sound absorption pieces, and the sound insulation effect is greatly enhanced.

The invention provides a wading slope water guiding and erosion preventing structure and a construction method. The wading slope water guiding and erosion preventing structure comprises two fixing plates which are arranged in parallel in an up-down staggered mode, wherein a plurality of anchor rod holes are formed in the fixing plates, anchor rods are installed in the anchor rod holes in a penetrating mode, and the two fixing plates are fixed to the top and the bottom of a slope through the anchor rods correspondingly; a middle main body grid which is obliquely arranged is hinged between the two fixing plates, a spherical hinge base is fixedly installed on the middle main body grid through a base installing component, a hydrophobic component is installed on the spherical hinge base, and a plurality of threaded planting grooves are formed in the middle main body grid in a threaded fit mode. The wading slope water guiding and erosion preventing structure is flexible and simple in structure, low in cost, convenient and fast to install, and capable of being suitable for a large part of wading slopes, and wide engineering practical significance and economic value are achieved.