12results about How to "Reduce system viscosity" patented technology

The invention relates to the technical field of detergents, and discloses a detergent with high foam amount and foam stability. The detergent is prepared from polyoxyethylene sorbitan monolaurate and a surface active agent, in the detergent, the mass fraction of the polyoxyethylene sorbitan monolaurate is 0.02 to 6 percent, and the mass ratio of the polyoxyethylene sorbitan monolaurate to the surfactant is (0.015 to 0.2): 1. According to the invention, the polyoxyethylene sorbitan monolaurate is added into the detergent, the interaction between the polyoxyethylene sorbitan monolaurate and the surfactant can be utilized to reduce the viscosity of the system, so that the detergent is easy to extrude or spray out in a foam form, and the stability of the foam can be improved, so that the detergent can form rich and lasting foam.

The invention relates to the technical field of asphalt preparation, in particular to SBS / waste rubber powder composite modified asphalt and a preparation method thereof.The preparation method comprises the following preparation steps that S1, matrix asphalt and modified SBS are mixed and dissolved, and after shear development, a first-order mixed and dissolved substance is obtained; s2, adding modified rubber powder into the first-order miscible substance, and shearing and developing to obtain a second-order miscible substance; and S3, adding a stabilizer into the second-order miscible substance, and stirring and cross-linking to obtain the SBS / waste rubber powder composite modified asphalt. Through the synergistic effect of the modified SBS and the modified rubber powder, the viscosity of a system is reduced, the network structure strength of the SBS is maintained, a stable physical-chemical composite network is formed in the asphalt, phase separation is not prone to occurring in the heat storage process, the low-temperature ductility of the asphalt is improved, and the composite modified asphalt still keeps good flexibility in a low-temperature environment.

The invention discloses a hot-melt waterproof adhesive for optical cables and a preparation method thereof, and relates to the technical field of waterproof adhesives, the hot-melt waterproof adhesive is prepared from the following components: rubber, modified rosin resin, polymethyltriethoxysilane, a filler, stearic acid, carbon black, polybutylene adipate, an antioxidant and nanocrystalline cellulose; the waterproof glue with the sealing function is designed for the optical cable, belongs to hot-melt filling waterproof glue, and can play a plurality of functions of water resistance, moisture resistance, insulation, voltage breakdown resistance and the like for the optical cable after being filled into the optical cable.

The invention relates to the field of anticorrosive paint, in particular to hyperbranched epoxy resin anticorrosive paint and a preparation method thereof. The coating is a two-component system, wherein a component A comprises an epoxy resin main body, 5-20 parts of a hydroxyl-terminated hyperbranched polyester modifier, a flaky filler, an anti-rust pigment, a reactive diluent and an auxiliary agent; the algebra of the hyperbranched polyester is G2-G4, and the hyperbranched polyester is prepared by melt polycondensation of trimethylolpropane and 2, 2-dimethylolpropionic acid; and the component B is a polyamide curing agent. The preparation method comprises the following steps: synthesizing hyperbranched polyester; pre-mixing the component A with epoxy resin, grinding and dispersing with filler and auxiliaries, and mixing paint to obtain a component A; mixing a curing agent with a coupling agent to obtain a component B; by utilizing the unique structure of the hyperbranched polyester, the epoxy coating is obviously toughened on the premise of not losing the hardness, the viscosity of the system is reduced, the constructability and the filler dispersity are improved, and finally the high-performance coating with impact resistance, strong adhesion and long-acting corrosion resistance is obtained.

This invention provides an absorbent for capturing carbon dioxide and a method for capturing carbon dioxide. By volume percentage, the absorbent comprises 20-60% glycine salt aqueous solution, 10-50% triethylene glycol monomethyl ether, 5-10% ethylene glycol, and the balance being water. This absorbent combines the advantages of glycine salt systems, such as low volatility, non-toxicity, safety, and better antioxidant degradation resistance, while avoiding the risk of solid precipitates forming after absorption by the glycine salt system, which could cause pipeline blockage.

The invention discloses anacardol modified polymerized MDI, which is prepared by the following method: carrying out hydrolysis reaction on anacardol glycidyl ether under an acidic condition to generate anacardol derived diol; and then reacting the cardanol-derived diol with the polymerized MDI at the temperature of 75-80 DEG C. The invention further discloses polyurethane floor paint based on cardanol modified polymerized MDI. The polyurethane floor paint is prepared from a component A and a component B, the component A is hydroxyl-containing resin or polyol, and the component B comprises cardanol modified polymerized MDI. The floor paint is prepared by reacting cardanol modified polymerized MDI with a hydroxyl-containing substance, a cardanol side chain introduced by the cardanol modified polymerized MDI plays roles of'molecular diluent 'and'space shielding', and the reaction speed and system viscosity of the floor paint are reduced, so that the floor paint has excellent construction performance and low bubble characteristic. The invention further discloses a preparation method of the polyurethane floor paint based on the cardanol modified polymerized MDI.

The invention discloses a preparation method and application of a modified HDI (hexamethylene diisocyanate) tripolymer curing agent, and the method comprises the following steps: mixing an HDI tripolymer with CAB (cellulose acetate butyrate) to react to obtain a prepolymer, and physically mixing the prepolymer with an HDI dipolymer to generate the modified HDI tripolymer curing agent. When the modified HDI tripolymer curing agent is used for a double-component polyurethane coating containing a metal effect pigment, compared with a common HDI tripolymer curing agent, cellulose acetate butyrate (CAB) is introduced into an HDI tripolymer and then physically mixed with an HDI dipolymer to reduce viscosity, a microgel structure in the modified HDI tripolymer is utilized, good aluminum powder orientation and solvent release performance is provided, orientation of the aluminum powder is improved, and the viscosity of the double-component polyurethane coating is improved. The gloss and the water resistance of a paint film are improved, and meanwhile, the anti-sagging performance of the coating is also obviously improved. The preparation method is especially suitable for a double-component polyurethane coating containing a metal effect pigment.

The invention belongs to the technical field of high polymer materials, and particularly relates to a high-toughness composite fiber and application, the composite fiber comprises homo-polypropylene, silane coupling agent modified silicon carbide whisker and viscosity average molecular weight gt; the ultra-high molecular weight polyethylene swelling body comprises ultra-high molecular weight polyethylene and mineral oil with a high distillation range. The high-toughness composite fiber prepared by the invention not only retains the wear resistance and the cutting resistance of the fiber to the maximum extent, but also effectively improves the flexibility and the corrosion resistance of the fiber, ensures the knittability of the composite fiber, and can adapt to relatively severe environmental conditions; the application range of the composite fiber in the field of labor protection supplies is effectively expanded.

The invention discloses a PVC (polyvinyl chloride) SG3-TPEE (thermoplastic elastomer) composite material which comprises the following components in parts by mass: PVC SG3, a TPEE prefabricated mixture, a stabilizer, DOTP (dioctyl terephthalate), coarse whiting, a processing aid, an antioxidant 626 and a lubricant. The TPEE prefabricated mixture comprises the following components in parts by weight: 70-80 parts of ATPEE with the shore hardness of 80, 2-5 parts of a viscosity reducer, 20-30 parts of talcum powder with the particle size of 2000-3000 meshes, 1-3 parts of macrogol ester and 1-2 parts of polyethylene wax with the average molecular weight of 2000-5000. The low-temperature brittleness temperature range of the refrigerator sealing strip is-45 DEG C to-48 DEG C, the low-temperature hardness change rate is smaller than 10%, the tensile strength is larger than or equal to 15 mpa, the elongation at break is larger than or equal to 300%, and the migration resistance is excellent.

The invention discloses a preparation method of a magnetic hydrothermal carbon adsorbent, and belongs to the technical field of adsorbent preparation. The method comprises the following steps: (1) taking red mud and peanut shells as raw materials, and respectively preparing red mud powder and peanut shell powder; (2) mixing the red mud powder and the peanut shell powder to obtain mixed powder; (3) adding a NaOH solution into the mixed powder, uniformly stirring, and then transferring into a hydrothermal reaction kettle for hydrothermal reaction; and (4) carrying out solid-liquid separation after the hydrothermal reaction, and washing and drying a solid-phase product to obtain the magnetic hydrothermal carbon adsorbent. According to the invention, synergistic conversion and high-added-value utilization of two industrial and agricultural solid wastes of red mud and peanut shells are innovatively realized, and the magnetic hydrothermal carbon adsorbent with excellent adsorption performance and magnetic performance is prepared by a hydrothermal method. The method has the advantages of being short in process, high in efficiency, low in energy consumption and the like, and has wide application prospects in the fields of environmental governance and resource recycling.

This application relates to the field of insecticide technology, specifically to a slow-release insecticidal suspension and its preparation method. The insecticidal suspension comprises the following raw materials in weight percentages: 8%–30% thiamethoxam, 7%–20% lambda-cyhalothrin, 0.1%–2% slow-release agent, 3%–10% emulsifier, 1%–5% dispersant, 1%–5% silica, 1%–5% activated clay, 0.1%–2% xanthan gum, and water to 100%. The dispersant includes a first dispersant and a second dispersant; the first dispersant is sodium lignosulfonate, and the second dispersant is one or both of sodium maleic acid-acrylic acid copolymer and sodium naphthalenesulfonic acid formaldehyde polymer. The slow-release insecticidal suspension of this invention avoids Austronesian maturation, has good dispersibility, can be processed into high-concentration formulations, has low packaging costs, good stability, long shelf life, high suspension rate, and good slow-release effect.

The invention relates to the technical field of polyvinyl chloride, in particular to a preparation method of PVC plasticized paste. The preparation method comprises the following steps: mixing 5-20 parts by weight of PVC paste resin, 3-15 parts by weight of composite modified calcium carbonate and 1-5 parts by weight of a plasticizer, and stirring at a speed of 800-1200 rpm for 15-30 min to obtain PVC plasticized paste; polyethylene glycol methyl ether acrylate and octadecene are used as composite modifiers, and are grafted to the surface of vinyl silane modified calcium carbonate through polymerization reaction to obtain the composite modified calcium carbonate. The PVC plastifying paste prepared by the invention has the characteristic of stable low viscosity, and the product of the PVC plastifying paste has higher mechanical properties.