39results about How to "Sufficiently hydrophilic" patented technology

The invention relates to a multipurpose high weather resistant acrylic acid electrophoretic paint and a preparation method thereof. The paint comprises two components, and is produced from high weather resistant acrylic acid modified emulsion and weather resistant color paste at a ratio of 8:1. The high weather resistant acrylic acid modified emulsion comprises following ingredients, by weight: 33 to 39 portions of fluorine-containing cationic acrylic acid modified resin, 14 to 16 portions of blocked aliphatic isocyanate curing agent, 0.8 to 1 portion of a neutralizer and 44 to 52.2 portions of deionized water. The weather resistant color paste comprises following ingredients, by weight: 15 to 18 portions of acrylic acid grinding resin, 1 to 2 portions of a surfactant, 42 to 50 portions of deionized water and 34 to 38 portions of a pigment filler. Fineness of the weather resistant color paste is 15um or less. The paint of the invention is suitable for colorized, white and grey systems. Appearance of coatings is flat, smooth and bright after one time of electrophoretic painting. Yellowing resistance, mechanical properties, coating liquid stability, acid resistance, alkali resistance and weather resistance of the coatings are excellent.

The invention discloses sulphonic acid type water-based unsaturated polyester and application of the sulphonic acid type water-based unsaturated polyester in coating. The sulphonic acid type water-based unsaturated polyester is formed by polymerizing the following components in parts by weight: 35.52-42.35 parts of dihydric alcohol, 0-13.35 parts of saturated binary acid, 24.77-46.02 parts of saturated acid anhydride, 0-24.31 parts of unsaturated binary acid, 0-25.37 parts of unsaturated acid anhydride, 1.71-3.60 parts of water-based monomer, 0.010-0.049 part of polymerization inhibitor and 0.010-0.052 part of antioxidant; emulsification is carried out, then a cross-linking and curing reaction is carried out on emulsion and reactive diluent, wherein sulphonic acid type water-based unsaturated polyester emulsion accounts for 70-90%, and the reactive diluent accounts for 8-28%. The sulphonic acid type water-based unsaturated polyester has the advantages that raw materials are available and a technology is simple, the prepared sulphonic acid type water-based unsaturated polyester coating has good mechanical properties, water resistance and low VOC (volatile organic compounds) content of the coating are guaranteed, and the characteristics of good flexibility, high hardness and high drying speed are maintained.

The invention discloses a Mo0.5W0.5S2 nano-tile / graphene electrochemical sodium storage composite electrode and a preparation method thereof, wherein an electrochemical sodium storage active substance is a Mo0.5W0.5S2 nano-tile and graphene composite nanomaterial; the ratio of the amount of substance of Mo0.5W0.5S2 nano-tile to graphene in the composite nanomaterial is 1: 2; the Mo0.5W0.5S2 nano-tile has few layers and averagely has 3-5 layers; the composite electrode comprises the following components by weight percent: 80% of the Mo0.5W0.5S2 nano-tile / graphene composite nanomaterial, 10% of conductive acetylene black, 5% of carboxymethyl cellulose and 5% of polyvinylidene fluoride. The preparation method comprises the steps of firstly, preparing the Mo0.5W0.5S2 nano-tile / graphene composite nanomaterial, mixing the obtained composite nanomaterial with the acetylene black and the polyvinylidene fluoride to prepare paste, coating a copper foil with the paste, and rolling to obtain the electrochemical sodium storage composite electrode. The electrochemical sodium storage composite electrode has the high electrochemical sodium storage capacity.

The invention discloses an electrochemical sodium storage composite electrode with high capacity and cycle stability and a preparation method. The electrochemical sodium storage active substance is a MoS2 nano tile / graphene composite nano material; the substance amount ratio of the MoS2 nano tile to graphene in the composite nano material is (1 to 1)-(1 to 13); the MoS2 nano tile is of a few-layer layered structure, and the average layer number is 4; the composite electrode comprises the following components by weight percent: 80% of MoS2 nano tile / graphene composite nano material, 10% of acetylene black, 5% of carboxymethyl cellulose and 5% of polyvinylidene fluoride. The preparation method comprises the following steps: preparing a MoS2 nano tile / graphene composite nano material, and blending the MoS2 nano tile / graphene composite nano material with acetylene black and polyvinylidene fluoride to obtain a paste; smearing the paste on a copper foil serving as a current collector; and performing vacuum drying and rolling to obtain the electrochemical sodium storage composite electrode. The MoS2 nano tile / graphene electrochemical sodium storage composite electrode disclosed by the invention has high reversible sodium storage capacity and wide application prospect.

The invention discloses a MoS2 nanotile and graphene composite nanomaterial and a preparation method thereof. The composite nanomaterial is formed by compounding graphene and a MoS2 nanotile with few layers and a lamellar layer, wherein the MoS2 nanotile mainly has 3-6 layers, and the mass ratio of the MoS2 nanotile to the graphene ranges from 1 to 1-1 to 4. The preparation method comprises the following steps of firstly, ultrasonically dispersing graphene oxide into deionized water; then, adding a gemini surfactant, and sufficiently stirring; next, sequentially adding L-cysteine and sodium molybdate, and sufficiently stirring to dissolve L-cysteine and sodium molybdate; and transferring the mixed dispersion system into a hydrothermal reaction kettle to carry out hydrothermal reaction at the temperature of 230-250 DEG C for 20-24h, then, naturally cooling to the room temperature, centrifuging to collect a solid hydrothermal product, washing, drying and carrying out heat treatment to obtain the MoS2 nanotile and graphene composite nanomaterial. The method disclosed by the invention has the advantages of simplicity, convenience and easiness for industrial expanded application.

The invention discloses a geniposide-rich hydrophilic molecularly imprinted polymer, a preparation method and application, and belongs to the technical field of separation. Template geniposide, an alkenyl glucoside functional monomer, a cross-linking agent, an initiator and an pore-forming agent are added in an aqueous solvent system, the alkenyl glucoside functional monomer and the template molecule form a non-covalent template-monomer complex through invertible self-assembly, the template geniposide is removed, and the geniposide-rich hydrophilic molecularly imprinted polymer is obtained. The alkenyl glucoside functional monomer is used for the first time to prepare the geniposide molecularly imprinted polymer in the water phase; compared with a traditional molecularly imprinted polymer prepared from a liposoluble functional monomer, the polymer prepared in the water phase has good hydrophilia, and has better adsorption performance in a water medium.

The invention discloses an inorganic bar-planted glue bolt and a preparation method thereof. The inorganic bar-planted glue bolt disclosed by the invention comprises a solid glass tube glue bolt and a liquid glass tube glue bolt; and the mass ratio of the solid glass tube glue bolt to the liquid glass tube glue bolt is (1.8 to 2.2):1. The preparation method of the inorganic bar-planted glue bolt comprises the following steps of: (1) preparing materials; (2) preparing the solid glass tube glue bolt; (3) preparing the liquid glass tube glue bolt; (4) planting a bar, i.e. completing the inorganic bar-planted glue bolt. The inorganic bar-planted glue bolt disclosed by the invention is energy-saving and environmental-friendly and has good high-temperature resistance, durability and corrosion prevention; the inorganic bar-planted glue bolt has high setting speed and early strength, can be initially set in 3 to 5min and is suitable for vertical face and upturned face bar planting engineering; the inorganic bar-planted glue bolt has a wide application range, has sufficient hydrophilicity, is resistant to water and the wet environment and is not only suitable for the dry environment, but also suitable for the wet environment (such as a foundation, a basement and the like) under the ground; the preparation method of the inorganic bar-planted glue bolt disclosed by the invention is simple to operate.

The invention discloses a Mo0.5W0.5S2 nano tile / graphene electrochemical lithium storage composite electrode and a preparation method thereof. The preparation method comprises the steps as follows: graphene oxide is subjected to ultrasonic dispersion in deionized water; a dimeric surfactant is added firstly and then L-cysteine, ammonium thiomolybdate and ammonium thiotungstate are sequentially added with stirring; the obtained hybrid dispersion is transferred to a hydrothermal reaction kettle to have a hydrothermal reaction for 20-24 hours at the temperature of 230 DEG C and is naturally cooled, and solid products are collected centrifugally, washed by deionized water, dried and subjected to thermal treatment to prepare the Mo0.5W0.5S2 nano tile / graphene composite nano material; and then the Mo0.5W0.5S2 nano tile / graphene composite nano material, acetylene black and polyvinylidene fluoride are prepared into slurry, copper foil is coated with the slurry, and the electrode is obtained through rolling. The prepared Mo0.5W0.5S2 nano tile / graphene electrochemical lithium storage composite electrode has high electrochemical lithium storage capacity, excellent cycle performance and enhanced magnification characteristic, thereby having wide application prospect.

The invention discloses a WS2 nano-tile / graphene electrochemical magnesium storage composite electrode and a preparation method thereof, wherein an electrochemical magnesium storage active substance is a WS2 nano-tile and graphene composite nanomaterial; the ratio of the amount of substance of WS2 nano-tile to the graphene in the composite nanomaterial is (1: 1)-(1: 3); the WS2 nano-tile has few layers and averagely has 4 layers; the composite electrode comprises the following components by weight percent: 80% of the WS2 nano-tile / graphene composite nanomaterial, 10% of acetylene black, 5% of carboxymethyl cellulose and 5% of polyvinylidene fluoride. The preparation method comprises the steps of firstly, preparing the WS2 nano-tile / graphene composite nanomaterial, mixing the obtained composite nanomaterial with the acetylene black and the polyvinylidene fluoride to prepare paste, evenly coating foamy copper taken as a current collector with the paste, carrying out vacuum drying, and rolling to obtain the electrochemical magnesium storage composite electrode. The electrochemical magnesium storage composite electrode has the high reversible magnesium storage capacity, excellent cycle performance and improved multiplying power, and is wide in application prospect.