6106 results about "Plasticizer" patented technology

The present invention discloses a water-based emulsion of PHA, PBAT and PVOH and its application in paper-based barrier coatings. This emulsion is prepared by first melt-blending PHA and PBAT at 150-170 °C and then dispersing them into an aqueous PVOH solution at 80-95 °C. Plasticizers, cross-linking agents and surfactants can be added to improve the performance. After coating on paper and drying at 80-150 °C, a barrier film with a Cobb value of 10-15 g / m² and a Kit ≥ 10 grade is formed. Compared with traditional PE film laminating or fluorine-containing coatings, this system is more environmentally friendly and recyclable; PVOH dissolves in pulping water, PHA and PBAT are easily separated, and fibers can be efficiently recovered; in composting, soil and marine environments, PHA and PBAT have extensive biodegradability and are superior to PLA which is difficult to recycle and requires industrial composting. It is applicable to food, industrial, special packaging and agricultural paper products.

The invention discloses a polyhydroxyalkanoate water-based barrier coating composition and application, and belongs to the technical field of packaging materials. The composition takes water as a dispersion medium and comprises polyhydroxyalkanoate, a plasticizer, an emulsifier and an inorganic nano filler. The stable emulsion with the volume average particle size of 400-700nm is prepared under specific proportioning and process conditions. After the emulsion is applied to a paper substrate according to the dry film coating weight of 10-12 g / m, the obtained coating shows good comprehensive performance: the oxygen permeability is not higher than 580 cm / m.d, the water vapor permeability is not higher than 290 g / m.d, and the heat sealing strength at 130 DEG C is not lower than 5.0 N / 15 mm. The biodegradable paper-based packaging film does not contain fluorine compounds, can be completely biodegraded, and provides a technical path for sustainable paper-based packaging.

A method for creating polycrystalline silicon nitride fibers is discussed. The method includes dispersing silicon nitride powder to create dispersed silicon nitride powder. The dispersed silicon nitride powder is classified to create classified fine silicon nitride powder. Likewise, a sintering aid is dispersed to create a dispersed sintering aid and then classified to create a classified sintering aid. A plasticizer, a binder, and the classified sintering aid are added to the classified fine silicon nitride powder to define a compound. The compound is mixed to create a mixed slurry, which is then dried to create a material. The material is extruded through a nozzle that is less than 40 micrometers in diameter to create a preform, which is then sintered to create the polycrystalline silicon nitride fibers.

The invention discloses a pure bio-based polyhydroxyalkanoate adhesive as well as preparation and application thereof, and belongs to the technical field of degradable adhesives. According to the adhesive, polyhydroxybutyrate valerate or polyhydroxybutyrate hexanoate is used as a matrix, and the acid value reaches 2-15 mg KOH / g through molten end group activation; a reactive emulsifier with a hydrophilic-lipophilic balance value of 9-12 is introduced into a water phase, and the stable aqueous dispersion is prepared through phase inversion high-shear emulsification. The Z-average particle size of the dispersion is 0.12-0.30 [mu] m, and the content of the free surfactant is not higher than 30wt%. After the tackifying resin, the plasticizer and the vegetable wax are compounded, the bio-based carbon content of the obtained adhesive is not lower than 95%, and the volatile organic compound content is not higher than 100 mg / kg. The paper / paper heat sealing strength of the adhesive is not lower than 7.0 N / 15mm, the 180-degree peel strength is not lower than 7.5 N / 25mm, and the adhesive can pass repulping evaluation.

The invention discloses a pure bio-based PHA aqueous dispersion as well as a preparation method and application thereof, and belongs to the technical field of pure bio-based polymer aqueous dispersion. According to the dispersion, polyhydroxyalkanoate is used as a unique film forming matter, Pickering solid particles and a natural surfactant are adopted for synergistic stabilization, and a bio-based plasticizer can be selected. The emulsion or slurry with the polyhydroxyalkanoate content of 40-85wt% and the particle size of 0.2-3m is prepared through a melting high-pressure homogenization method, a low-temperature wet grinding method or a solvent replacement method. The coating does not contain petrochemical polymer protective colloid and perfluorinated and polyfluoroalkyl substances, and the bio-based content is greater than or equal to 99%. Due to the excellent stability, rheological property and film-forming property of the modified starch, the modified starch becomes an ideal basic material for constructing a multi-layer programmable controlled release and degradation functional coating system, can be used in the fields of paper-based barrier coatings, adhesives, advanced crop seed coats and the like, realizes excellent barrier, bonding and controlled release properties, meets the industrial compost and repulping property standards, and has wide application prospects. The method has green, environment-friendly and industrial potential.

The invention relates to the technical field of ceramic substrates, and provides a high-toughness multilayer ceramic substrate and a preparation method thereof. Raw materials of the high-toughness multilayer ceramic substrate comprise the following components in parts by weight: 90-95 parts of aluminum oxide, 13-17 parts of a sintering aid, 2-5 parts of a plasticizer, 1-3 parts of a dispersant, 3-5 parts of a binder, 10-12 parts of an aid and 55-65 parts of water, the auxiliaries comprise boron carbide, copper-tin alloy powder and graphene oxide. According to the technical scheme, the problem of poor toughness of the multi-layer ceramic substrate in the prior art is solved.

The invention relates to the technical field of silica gel cables, and discloses a silica gel cable with high reliability and high flexibility and a process thereof, and the silica gel cable comprises a conductor layer which is formed by hierarchically twisting a plurality of tinned copper wires with the diameter of 0.05-0.10 mm, and the twisting helical angle gradually changes from 25 degrees in the inner layer to 55 degrees in the outer layer; the insulating layer coats the conductor layer and comprises a silica gel material, a hydrogen-containing silicone oil cross-linking agent and a plasticizer, microcapsules with the particle size of 20-50 microns are dispersed in the silica gel material, a shell layer of each microcapsule is polyurethane, and a core layer of each microcapsule is a siloxane repairing agent containing a platinum catalyst; and a sheath layer. A hydrogen-containing silicone oil cross-linking agent in the insulating layer enables molecular chains to be cross-linked to form a net structure, the physical and chemical stability is enhanced, microcapsules are matched to endow a self-repairing function, a repairing agent is released when the cable is damaged, the self-repairing performance of the insulating layer is further guaranteed, damage is filled through a cross-linking reaction, insulation is recovered, the reliability of the cable is remarkably improved, and the service life of the cable is remarkably prolonged.

The invention relates to a composite solid electrolyte membrane with high ceramic content and a preparation method and application thereof. The preparation method comprises the following steps: mixing ceramic solid electrolyte particles activated by a silane coupling agent with an in-situ polymerization solution containing a cross-linking agent, an organic monomer, a plasticizer, a lithium salt, an ultraviolet light initiator and a thermal initiator to form solid electrolyte slurry, wherein the ceramic solid electrolyte particles account for 60-90% of the total mass of the composite solid electrolyte membrane; the preparation method comprises the following steps: coating a positive pole piece with solid electrolyte slurry, initiating shallow organic matter monomers and a cross-linking agent to generate in-situ polymerization through an ultraviolet light initiator, covering a negative pole piece for hot pressing treatment, initiating residual organic matter monomers and the cross-linking agent to generate in-situ polymerization through a thermal initiator, and forming a composite electrolyte membrane with high ceramic content. The invention also discloses an all-solid-state battery containing the composite solid electrolyte membrane. The solid-state battery containing the in-situ formed composite solid-state electrolyte membrane has relatively high cycling stability.

The invention discloses an environment-friendly high-strength water-stop belt and a preparation method thereof, and relates to the technical field of high-molecular compound composition water-stop belts. The environment-friendly high-strength water-stop belt is prepared from the following components in parts by mass: 100 parts of ethylene propylene diene monomer, 40 to 70 parts of reinforcing filler, 10 to 25 parts of environment-friendly plasticizer, 1 to 5 parts of interface modifier, 1.5 to 3.5 parts of vulcanizing agent, 3 to 8 parts of active agent, 1 to 3 parts of anti-aging agent and 5 to 15 parts of flame retardant. White carbon black and calcium carbonate are adopted as reinforcing filler to replace traditional carbon black, and energy consumption and pollution emission in the production process are remarkably reduced. By optimizing the formula and the preparation process, the tensile strength, the elongation at break, the tearing strength and other mechanical properties of the waterstop are remarkably improved. Aluminum hydroxide is added as a flame retardant, absorbs heat during thermal decomposition and forms a barrier layer, so that oxygen is effectively diluted, and fire spreading is prevented.

The invention discloses a high-cold-resistance environment-friendly PVC decorative material and application thereof, belongs to the technical field of PVC preparation, and is used for solving the technical problem that the low temperature resistance and the environmental protection property of a PVC material in the prior art need to be further improved. The high-cold-resistance environment-friendly PVC decorative material specifically comprises the following raw materials in parts by weight: 80-100 parts of composite PVC, 8-10 parts of a bio-based plasticizer and 6-10 parts of an auxiliary additive; the preparation method comprises the following steps: modifying montmorillonite by using a silane coupling agent, loading magnesium hydroxide to prepare a composite filler, carrying out ring-opening polymerization, amine end capping and oxidation on cyclotrisiloxane to generate a low-temperature-resistant agent containing an epoxy group, introducing trimethoxysilane into PVC through sulfydryl substitution, carrying out hydrolytic condensation to form a Si-O-Si cross-linked network, and covalently binding the Si-O-Si cross-linked network with the filler and the low-temperature-resistant agent to obtain the low-temperature-resistant PVC composite material. And reacting the epoxidized soybean oil with glycine, and carrying out calcium coordination to generate a bio-based plasticizer, thereby finally preparing the PVC decorative material.

The invention relates to the technical field of biodegradable materials, and discloses a full-biodegradable bamboo fiber film material and a preparation method thereof, the full-biodegradable bamboo fiber film material comprises the following raw materials by weight: 30-50 parts of modified bamboo fiber, 20-40 parts of a biodegradable polymer, 3-8 parts of a plasticizer, and 1-5 parts of a cross-linking agent. Acrylic acid grafted hydroxyethyl methylacrylate is grafted to epoxy resin containing azobenzene side chains to form a grafting product of a latticed structure, and the grafting product and hydroxyl groups on bamboo fibers form ether bonds to modify the bamboo fibers. The latticed structure can effectively improve the mechanical property of the film, and azobenzene is grafted to the side chain of bisphenol A epoxy resin, so that the epoxy resin has better degradability.

The invention provides a composite solid electrolyte and a preparation method thereof, and belongs to the technical field of solid electrolyte materials. The solid electrolyte powder, the photosensitive resin monomer, the lithium salt, the plasticizer and the photoinitiator are used as raw materials to prepare the composite solid electrolyte, the plasticizer can be inserted between polymer chains, the compatibility of the solid electrolyte powder and a polymer is improved, electrode interface contact is improved, the flexibility of the composite solid electrolyte is improved, and the service life of the composite solid electrolyte is prolonged. The ionic conductivity of the composite solid electrolyte is further improved; the photosensitive resin monomer and the photoinitiator can be subjected to photopolymerization in-situ curing, so that the composite solid electrolyte has better mechanical property and flexibility, electrode interface contact is improved, and the ion conductivity is improved.

The invention relates to the technical field of ceramic substrates, and provides a bending-resistant multilayer ceramic substrate and a preparation method thereof.The bending-resistant multilayer ceramic substrate is prepared from, by weight, 100 parts of aluminum oxide, 2-4 parts of a sintering aid, 1-2 parts of a plasticizer, 1-2 parts of a reinforcing agent, 1-3 parts of a dispersing agent, 8-12 parts of a binder and 85-90 parts of water; the reinforcing agent comprises tungsten trioxide and cobaltosic oxide. According to the technical scheme, the problem of low bending strength of the multilayer ceramic substrate in the prior art is solved.

The invention discloses an anti-aging water-stop belt and a preparation method and application thereof, and relates to the technical field of water-stop belts. The invention relates to an anti-aging water-stop belt which is prepared from the following raw materials in parts by mass: 40-60 parts of chloroprene rubber, 10-20 parts of natural rubber, 10-20 parts of ethylene propylene diene monomer, 15-30 parts of carbon black, 5-15 parts of white carbon black, 5-15 parts of a plasticizer, 0.5-2 parts of sulfur, 0.5-1.5 parts of an accelerant, 1-2 parts of an anti-aging ultraviolet light absorber, 5-15 parts of aluminum hydroxide, 1-3 parts of stearic acid and 3-8 parts of zinc oxide. The obtained water-stop belt has excellent ultraviolet aging resistance, ozone resistance and chemical corrosion resistance while keeping high elasticity, the mechanical stability of the water-stop belt is remarkably improved compared with that of a traditional product, the water-stop belt is suitable for joint sealing in harsh environments such as bridges, tunnels and water conservancy projects, and the waterproof service life of engineering structures can be effectively prolonged.

The invention relates to the technical field of surface coating materials, in particular to a multifunctional surface coating which comprises the following raw materials: organic silicon modified acrylic resin, an intumescent flame retardant, hollow glass beads, nano titanium dioxide, an auxiliary agent, graphene, silver nanoparticles and flaky zinc powder. The intumescent flame retardant is formed by compounding melamine polyphosphate and pentaerythritol, and the auxiliary agent comprises a dispersing agent, a flatting agent and a plasticizer. By integrating multiple functions of fire prevention, water prevention, heat insulation, self-cleaning and the like into a whole, the complex requirements of different fields of buildings, industry, traffic and the like on material performance can be comprehensively met. In the application of building exterior walls, the fireproof safety, the waterproof sealing performance and the heat insulation performance of buildings can be effectively improved, and energy consumption is reduced; in the aspect of industrial equipment protection, equipment can be protected from being damaged by environmental factors such as high temperature, moisture and corrosion, and the service life of the equipment is prolonged.

The invention discloses an anti-aging flame-retardant polyvinyl chloride material and a preparation method thereof. The anti-aging flame-retardant polyvinyl chloride material comprises the following raw material components in parts by weight: 100 parts of PVC resin, 0.6-2.4 parts of a lubricant, 15-27 parts of a plasticizer and 14-25 parts of a composite flame-retardant anti-aging reinforcing filler, wherein the composite flame-retardant anti-aging reinforcing filler is obtained by sequentially carrying out antioxidant loading and polymer grafting modification on a compound of graphene oxide, basic magnesium sulfate whiskers and mesoporous alumina. The prepared polyvinyl chloride has excellent aging resistance, flame retardance and mechanical strength, is good in thermal stability and excellent in comprehensive performance, and has a wide market application prospect.

The invention belongs to the technical field of preparation of diaphragm materials, and particularly relates to a preparation method of a polymer porous membrane, the polymer porous membrane and application. The method comprises the following steps: (1) obtaining a film containing a polymer and a plasticizer; (2) extracting the plasticizer in the thin film by adopting an extracting solution to obtain a wet film; and (3) the wet film is dried, and in the drying process, the size shrinkage rate of the wet film in the TD direction ranges from 5% to 20%. The polymer porous membrane prepared by the method has high-temperature dimensional stability and good air permeability and thickness uniformity.

The invention relates to the technical field of composite materials, in particular to a heat and sound insulation PVB intermediate film and a preparation method thereof. The problem that a PVB intermediate film is insufficient in heat insulation and aging resistance is solved. The preparation method comprises the following steps: pre-plasticizing PVB resin, shearing and mixing the pre-plasticized PVB resin and silane coupling agent modified enhanced nano cellulose, sequentially adding additives such as a plasticizer, molybdenum trioxide loaded lanthanum hexaboride, a composite light stabilizer and modified cerium oxide, and carrying out tape casting and hot pressing treatment to obtain the PVB intermediate film. Wherein the modified lanthanum hexaboride enhances infrared ray shielding, the composite light stabilizer and the modified cerium oxide synergistically improve the aging resistance, all the components are subjected to substance cooperation and process cooperation, comprehensive improvement of heat insulation, sound insulation and aging resistance of the PVB intermediate film is achieved, and the PVB intermediate film is suitable for the field of high-strength building glass.

The invention relates to the technical field of rubber materials, in particular to a rubber composite material with self-lubricating and wear-resistant characteristics and a preparation method thereof. The rubber composite material with self-lubricating and wear-resistant characteristics is prepared from the following raw materials in parts by mass: 70 to 75 parts of nitrile rubber, 15 to 18 parts of carbon black, 30 to 35 parts of self-lubricating filler, 2 to 3 parts of plasticizer, 2 to 3 parts of zinc oxide, 2 to 3 parts of zinc stearate, 3 to 5 parts of coupling agent, 4 to 6 parts of self-lubricating additive, 1 to 1.5 parts of anti-aging agent, 1 to 1.5 parts of accelerant and 2 to 4 parts of vulcanizing agent. The prepared rubber composite material with self-lubricating and wear-resistant characteristics has excellent lubricating property, wear-resistant property and mechanical property. The method is suitable for the fields of automobile manufacturing, mechanical manufacturing, aerospace and the like.

The invention discloses a high-strength corrosion-resistant aramid composite material and a preparation process thereof, and relates to the technical field of aramid composite materials, the high-strength corrosion-resistant aramid composite material comprises the following components by mass: 60-80 parts of ethylene propylene diene monomer, 20-40 parts of hydrogenated nitrile rubber, 10-15 parts of polytetrafluoroethylene, 18-30 parts of a filler, 10-15 parts of aramid fiber, 5-8 parts of a plasticizer, and 3-6 parts of a vulcanizing agent. The EPDM rubber, the hydrogenated nitrile rubber and the polytetrafluoroethylene are compounded, and the aramid fibers and the filler are added, so that the composite material with good mechanical property and corrosion resistance is obtained; by modifying the ethylene propylene diene monomer and the aramid fiber, the compatibility among the materials is improved, and the comprehensive performance of the composite material is further improved.

The invention relates to the technical field of cables, and discloses a corrosion-resistant waterproof cable and a preparation method thereof. The corrosion-resistant waterproof cable sequentially comprises the conductor, the insulating layer, the shielding layer, the waterproof layer and the sheath layer from inside to outside, the waterproof layer is extruded by polyethylene, and the waterproof performance of electric materials can be improved; the sheath layer adopts modified PVC and a thermoplastic polyurethane elastomer as main raw materials, and functional aids such as a plasticizer, a heat stabilizer, a lubricant, a composite flame retardant and the like are added, so that the sheath layer is endowed with excellent corrosion resistance, flame retardance and the like. Therefore, the cable prepared by the invention has a good application prospect in a humid and corrosive environment.

Preparation methods for multi-sheet porous ceramic matrices (10, 20, 30, 40) and an atomization core thereof. The preparation method for the multi-sheet porous ceramic matrices (10, 20, 30, 40) comprises: (1) the preparation of ceramic powders, involving: weighing a plurality of groups of components in parts by weight, comprising 25-55 parts of an aggregate, 5-40 parts of a pore former, 5-19 parts of a sintering aid, and 5-35 parts of a powder dispersing agent; (2) the preparation of casting ceramic slurries, involving: weighing a plurality of groups of components in parts by weight, comprising 40-65 parts of each group of ceramic powder, 30-50 parts of a solvent, 0.1-3 parts of a slurry dispersing agent, 1-8 parts of a plasticizer, and 1-10 parts of a binder; (3) the preparation of ceramic green bodies, involving: respectively making the plurality of groups of casting ceramic slurries into a plurality of groups of sheet-like ceramic green bodies by means of a casting process; and (4) the preparation of multi-sheet porous ceramic matrices (10, 20, 30, 40), involving: vertically stacking a plurality of ceramic green bodies of different groups and / or the same group in sequence and then laminating same into an integral body, then feeding same into a furnace for de-binding and sintering, and finally cutting same into required shapes to obtain the multi-sheet porous ceramic matrices (10, 20, 30, 40).

The invention relates to the technical field of pouring sealant coatings, in particular to a two-component polyurethane circuit board pouring sealant and a preparation method thereof. Comprising a component A and a component B. The component A comprises liquefied MDI, a phosphate flame retardant and a plasticizer. The component B comprises a hydroxyl acrylate oligomer, bio-based polyol, a defoaming agent and a catalyst, the viscosity of the hydroxyl acrylate oligomer at the temperature of 25 DEG C is 8000-15000 mPa.s, and the hydroxyl value of the hydroxyl acrylate oligomer is 100-150 mgKOH / g. The viscosity of the hydroxyl acrylate oligomer at 25 DEG C is limited to be 8000-12000 mPa.s, and the hydroxyl value is 100-140 mgKOH / g, so that the mechanical properties and aging resistance of the pouring sealant can be improved at the same time.

The invention relates to the technical field of data processing, in particular to a liquid disperse dye for polyester fabrics and a use method thereof, and the dye comprises an azo or anthraquinone disperse dye main agent subjected to superfine grinding, a nonionic and anionic compound dispersant system, a fiber plasticizer and a stabilizer. According to the preparation method, molecular dynamics simulation and mesoscale dissipative particle dynamics simulation are combined, the synergistic effect of a dispersant adsorption configuration and double electric layer potential is quantified, and a nonlinear association rule of dynamic particle size control and dispersion stability is established; a multi-physics field coupling model is adopted to integrate fiber humidity, temperature gradient and pressure distribution parameters, and cross-scale collaborative optimization of microscopic interface action and macroscopic process parameters is achieved. According to the method, repetitive experiment iteration is replaced by digital design, the formula development period is remarkably shortened, the dyeing uniformity and the batch-to-batch reproducibility are improved, and the method is suitable for continuous dyeing production of high-density and superfine polyester fabrics.

The invention relates to the technical field of building decoration materials, in particular to a high-performance antibacterial mildew-proof sealant and a preparation method thereof. The sealant is prepared from the following raw materials in parts by weight: 20 to 30 parts of silane modified polyurethane, 40 to 50 parts of nano calcium carbonate, 20 to 30 parts of a plasticizer, 3 to 7 parts of a hydroxyl silane coupling agent, 0.4 to 0.8 part of a mildew preventive, 0.3 to 0.7 part of an ultraviolet light absorber, 0.3 to 0.7 part of a de-foaming agent and 0.8 to 1.2 parts of a first catalyst. The high-performance antibacterial and mildew-proof sealant has long-acting antibacterial and mildew-proof performance, and excellent mechanical performance and weather resistance of the sealant can be maintained, so that the requirements of industries such as building, medical treatment and food processing on high-performance, healthy and environment-friendly sealing materials are met; and the preparation method is simple and controllable, the production cost is relatively low, and large-scale production can be realized.

The invention relates to the technical field of ceramic substrates, and provides a bending-resistant aluminum oxide multilayer ceramic substrate and a preparation method thereof. The bending-resistant aluminum oxide multilayer ceramic substrate comprises the following raw material components in parts by weight: 95-110 parts of aluminum oxide, 3-8 parts of a plasticizer, 6-12 parts of an auxiliary agent, 4-7 parts of a binder, 3-6 parts of a dispersant and 60-70 parts of a solvent, the preparation method of the additive comprises the following steps: A1, adding calcium oxide into ethanol, adding glucose, stirring until the materials are uniformly mixed, and concentrating to obtain a glucose coated material; a2, carrying out annealing treatment on the glucose coated material to obtain a carbon coated material; and A3, uniformly mixing the carbon-coated material with magnesium oxide and titanium dioxide, and carrying out ball milling to obtain the auxiliary agent. According to the technical scheme, the problem of low mechanical property of the aluminum oxide ceramic substrate in the prior art is solved.

The invention relates to the field of foaming materials, in particular to a low-solvent-residue expandable polystyrene material and a preparation method thereof. The expandable polystyrene material with low solvent residue comprises the following raw materials in percentage by weight: 0.35-0.45% of a free radical initiation system, 0.35-0.45% of S, S, S, S, S, S, S, S, S, S, S, S, S, S, S According to the present invention, the material comprises, by weight, 0.1-0.15% of S, S '-bis (alpha, alpha'-dimethyl-alpha ''-acetoxy) trithiocarbonate, 0.15-0.2% of ascorbic acid, 0.1-0.2% of a nucleating agent, 0.2-0.3% of a suspending agent, 0.001-0.003% of an emulsifier, 5-6% of a foaming agent, 0.15-0.25% of a plasticizer, 0.001-0.002% of hydroxyethyl cellulose, 0.05% of sodium phosphate, 0.1-0.2% of zinc stearate, and 0.1-0.2% of glyceryl stearate, the obtained material has low solvent residue, meets food safety requirements, and is suitable for food packaging.

The invention discloses a grouting reinforcement material and a preparation method and application thereof, and the method comprises the following steps: mixing a sodium silicate aqueous solution, a chain extension cross-linking agent, distilled water and a composite catalyst to obtain a component A; reacting the polymethylene polyphenyl polyisocyanate with polyether polyol to obtain an isocyanate prepolymer, and carrying out self-polymerization on the polymethylene polyphenyl polyisocyanate under the action of a catalyst to obtain an isocyanate polymer; the preparation method comprises the following steps: mixing a component A and a component B according to a mass ratio of (1.2: 1)-(1: 1.2), then stirring an isocyanate prepolymer, an isocyanate polymer, a plasticizer and a diluent at room temperature and constant temperature to obtain the component B, and finally mixing the component A and the component B according to a mass ratio of (1.2: 1)-(1: 1.2) to obtain the target grouting reinforcement material. The invention aims to realize effective compounding of an organic phase and an inorganic phase, and the prepared reinforcing material has early strength and toughening, low heat release, and environment-friendly grouting performance capable of being cured in water.

The invention relates to the technical field of functional materials, in particular to a polyvinyl butyral flexible material as well as a preparation method and application thereof. The molecular chain regularity is destroyed through an isobutyraldehyde branched chain, the crystallinity is reduced, and the flexibility is improved; cesium-tin co-doped tungsten oxide has high infrared rejection rate and good dispersity, and the influence on the flexibility of the material is reduced; magnesium salicylate and magnesium formate are compounded, so that the reaction activity with resin is reduced, and the bonding stability in the bending process is ensured; the flexibility and migration resistance of the material are synergistically improved through the flexible plasticizer, and the interlayer sheet is prevented from being sticky; the flexible reinforcing agent polycaprolactone micro powder is used for forming an elastic node, bending stress is absorbed, and the recovery performance is improved. The polyvinyl butyral flexible material provided by the invention has flexible bending performance, an efficient infrared barrier function and stable bonding performance, is suitable for scenes such as curved building curtain walls, special-shaped automobile sunroofs or arc-shaped rail traffic windows, and has a wide application prospect.

The invention relates to the technical field of polyvinyl chloride, and discloses a preparation process of a high-strength and high-thermal-stability PVC (polyvinyl chloride) material for a decorative film, which comprises the following steps: mixing polyvinyl chloride, acrylonitrile-butadiene-styrene copolymer, cyano polyesteramide, a stabilizer, a plasticizer, an antioxidant and the like, extruding in a twin-screw extruder, and granulating, the PVC material with high strength and high thermal stability is obtained. The cyano polyesteramide can improve the compatibility between ABS and PVC, so that the material has better mechanical properties, the polyesteramide has a hyperbranched molecular chain structure and plays a certain role in toughening, the compatibility between ABS and PVC is better, the vicat softening temperature of the material is increased, the thermal stability of the material is enhanced, and when the cyano polyesteramide is applied to materials such as decorative films, the material has better mechanical properties. Decorative films and the like can have good heat resistance and are not prone to aging and yellowing.