38results about How to "Emulsification process is simple" patented technology

The invention provides a method for preparing Pickering emulsion type alkenyl succinic anhydrides (ASA) papermaking sizing agent. The method comprises the following steps of: intercalating quaternary ammonium salt into nano cation-based modified montmorillonite to prepare nano solid fine grain emulsifier; dispersing the nano solid fine grain emulsifier and magnesium salt into deionized water to form a water phase, mixing the water phase and oil phase ASA, and emulsifying the mixture through high speed shearing to obtain the Pickering emulsion type ASA papermaking sizing agent, wherein the volume ratio of the oil phase to the water phase is (1:1)-(1:6). The Pickering emulsion type ASA papermaking sizing agent is coupled with the emulsion and stabilization characteristics of organic surfaceactive substances and inorganic solid fine grains; compared with the emulsion which is emulsified and stabilized by independently using the surface active substances, the Pickering emulsion type ASA papermaking sizing agent is more stable and higher in sizing efficiency; furthermore, the preparation process is simple, and the ASA can be emulsified into stable emulsion without adding any surfactant and high-molecule polyelectrolyte; and the using amount of the emulsifier is small and the emulsifying cost is low.

The invention relates to a water-based epoxy emulsion type carbon fiber sizing agent and a preparation method thereof. The water-based epoxy emulsion type carbon fiber sizing agent comprises the following components in percentage by weight: 15%-35% of epoxide resin, 5%-20% of surface active agent, 0.1%-0.5% of lubricating agent, 0.1%-0.5% defoaming agent and 55%-65% of deionized water. According to the water-based epoxy emulsion type carbon fiber sizing agent and the preparation method thereof, no volatile organic compound is added, so that the harm to production equipment and operators in preparation and application processes of the sizing agent is greatly reduced, and the environment protection is facilitated. The water-based epoxy emulsion type carbon fiber sizing agent and the preparation method thereof which are disclosed by the invention have the advantages of simple emulsifying process, safety in operation, low requirement on the production equipment, easiness for raw material obtaining, low price and suitability for large-scale production.

The invention discloses a preparation method of a paper making sizing agent formed by emulsification of flaky solid particles. The method comprises the following steps of: firstly, mixing a silane coupling agent with flaky nanometer bentonite solid particles and dispersing the mixture in deionized water; secondly, adding methylbenzene or absolute ethyl alcohol to prepare modified bentonite suspension liquid; thirdly, dispersing the flaky nanometer bentonite solid particles modified by the silane coupling agent into the deionized water, stirring uniformly, and regulating the pH value to 3.5-9.5; fourthly, mixing liquid paraffin with vinyl succinic anhydride and stirring uniformly to obtain mixed sizing oil liquid; and at last mixing the sizing oil liquid with the bentonite suspension liquid, wherein the paper making sizing agent with stably emulsified flaky solid particles is obtained after the mixture is emulsified. The paper making sizing gent has quite high stability, and the preparation method is simple, can be used for emulsifying the vinyl succinic anhydride into a stable emulsion without adding any surface active agent or high-molecular polyelectrolyte, also uses little emulsifying agent, is low in emulsification cost, and causes low pollution to the environment.

The invention relates to a method for synthesizing a styrene-ethylene propylene terpolymer-acrylonitrile graft through an emulsion polymerization method. The obtained styrene- ethylene propylene terpolymer-acrylonitrile graft can be used for preparing a styrene- ethylene propylene terpolymer-acrylonitrile graft resin through mixing with SAN. Because of the simple emulsification process and the high grafting efficiency, the method can save production cost and is characterized by continuous production.

The invention relates to the field of high molecular materials, and specifically relates to a preparation method of binary acid chain extension modified epoxy resin. The preparation method comprises the following steps: adding epoxy resin and dihydric alcohol into a reactor, enabling the molar ratio of epoxy resin to poly dihydric alcohol to be (2: 1) to (10: 1), heating and stirring, so that themixture is dispersed uniformly, using a hydrochloric acid-acetone method to measure an initial epoxy number, then adding a catalyst, raising the temperature until 110 to 175 DEG C, reacting for 2 to 3h, using the hydrochloric acid-acetone method to measure an epoxy number remaining after the reaction to reach an expected epoxy number, then adding mixed acid compounded with monobasic acid and binary acid into the product, raising the temperature, stirring and mixing uniformly, enabling the molar ratio of monobasic acid to binary acid is (1: 1) to (1: 5), then adding an accelerant, reacting for3 to 5 h at the temperature of 110 to 150 DEG C, and finally obtaining the product being binary acid chain extension modified epoxy resin. The preparation method solves the problem that an existing carbon fiber sizing agent is complex in emulsification technology, unstable in emulsion storage, low in strand bundling after sizing, hardened in strands, low in adhesiveness with matrix resin and thelike.

The invention discloses a moisture-proof and corrosion-proof corrugated paper production process and device, the moisture-proof and corrosion-proof corrugated paper is formed by bonding at least one layer of core paper and cardboard paper, the core paper is made of corrugated base paper through machining, the corrugated base paper is divided into a surface layer and a bottom layer, the surface layer is made of long fiber pulp, short fiber pulp and broken pulp of waste paper pulp, the bottom layer is made of short fiber pulp and waste paper pulp of waste paper pulp, and the preparation method of the corrugated base paper comprises the following steps: S1, pulping waste paper; s2, performing internal sizing treatment on the raw material slurry; s3, performing net feeding, squeezing and drying treatment on the raw material paper pulp, and then obtaining a base paper blank; and S4, sizing the surface of the base paper blank, and drying to obtain the corrugated base paper. According to the moisture-proof and corrosion-proof corrugated paper, the corrugated base paper of the moisture-proof and corrosion-proof corrugated paper is prepared from the waste paper pulp through a dual sizing process, and then the core paper machined from the corrugated base paper is bonded with the cardboard paper so that the prepared moisture-proof and corrosion-proof corrugated paper is high in machine strength and has good water resistance and corrosion resistance.

The invention discloses a preparation method of a fabric waterproof deepening finishing agent and a product prepared by the preparation method. The preparation method comprises the following steps ofpreparing p-acryloyloxybenzoic acid; preparing tridecafluorooctyl p-hydroxybenzoate; preparing 2-(perfluorohexyl)ethyl-4-[4-(acryloyloxy)-benzoyloxy]benzoate; preparing fluorine-containing alkyl modified amino silicon oil; and preparing the fluorine-containing alkyl modified amino silicone oil emulsion. In the molecular structure of the fabric waterproof deepening finishing agent, 2-(perfluorohexyl)ethyl-4-[4-(acryloyloxy)-benzoyloxy]benzoate is used as a fluorine-containing functional monomer, two rigid benzene rings are connected through an ester group, and an environment-friendly short fluorocarbon chain is bonded to an amino silicon oil molecule by using the 2-(perfluorohexyl)ethyl-4-[4-(acryloyloxy)-benzoyloxy]benzoate as a linking group. The liquid crystal effect of the biphenyl group is utilized to promote the short fluorocarbon chain to be outwards perpendicular to the surface of a matrix for regular arrangement, and a more remarkable and effective fluoroalkyl shielding effectis provided, so that an excellent waterproof deepening effect is brought.

The invention discloses an amino silicone oil emulsion and a preparation method thereof. The emulsion with a bicontinuous phase structure between O/W and W/O is obtained by firstly mixing an emulsifier and a stabilizer amino silicon oil and then adding a co-emulsifier and water, the emulsification process is simple, and popularization and production are facilitated. The amino silicone oil emulsion obtained by the emulsification process has high stability, can be uniformly dispersed in a system when being applied to shampoo and hair conditioner products, and effectively maintains the smoothness and moist degree of hair.

The invention discloses a release agent for an isocyanate adhesive. The release agent is prepared from, by weight, 8-10 parts of peregal O, 5-7 parts of sodium tripolyphosphate, 1-2 parts of sodium dodecyl benzene sulfonate, 800-1000 parts of water and 100-120 parts of higher aliphatic acid. According to the release agent, the emulsification process is simple, the stability of emulsion is good, the die release performance is superior, and adhesion of a board and a steel plate or a steel band is effectively prevented when the isocyanate adhesive is used for producing a shaving board or a medium-density fiberboard.

The invention discloses preparation and application of a new energy multifunctional emulsifier, and is characterized in that the multifunctional emulsifier is a compound type, and comprises a component A and a component B according to a weight ratio of 4: 6, the preparation method of the multifunctional emulsifier comprises the following steps: S1, respectively weighing the component A and the component B according to the weight part ratio; the new energy multifunctional emulsifier has the advantages that the emulsifying process is simple, the emulsifier is easy to prepare by professional equipment, emulsified oil produced by using the new energy multifunctional emulsifier is high in stability, resistant to high temperature, long in shelf life, green and environment-friendly, small in addition amount and sufficient in combustion, emission of smoke dust and harmful gas is greatly reduced, the smoke dust amount is reduced by 55%-90% or above, carbon emission is reduced by 20%-50% or above, and the new energy multifunctional emulsifier is suitable for industrial production. The nitrogen oxide is reduced by more than 25%, the sulfur oxide is reduced by more than 30%-55%, the oil saving rate reaches more than 5%-18%, the price is reduced by 400-800 yuan/ton, and a large amount of production cost is saved for oil supply units.