2442 results about "Butadiene Dioxide" patented technology

The disclosure relates to hydrogen mediated anionically copolymerized conjugated diene vinyl aromatic compositions, copolymers of isoprene and / or butadiene with styrene, and processes and compositions for preparing them.

The invention belongs to the technical field of cement manufacturing, and particularly relates to high-strength weather-resistant environment-friendly cement and a preparation method thereof. The environment-friendly cement is prepared from the following raw materials in parts by mass: 40 to 55 parts of Portland cement, 15 to 25 parts of fly ash, 10 to 15 parts of slag powder, 6 to 12 parts of biomass reinforced composite mineral material, 2 to 4 parts of nano silicon dioxide, 1 to 4 parts of modified polymer emulsion and 1 to 3 parts of additive. The biomass reinforced composite mineral material is prepared from zeolite, bentonite, sepiolite and chitosan; the modified polymer emulsion comprises a modified polyacrylate emulsion and a modified polystyrene-butadiene emulsion in a mass ratio of (1-3): 1; the additive is prepared from basalt fiber, sodium lignin sulfonate, a rosin thermopolymer and sodium gluconate. The environment-friendly cement prepared by the invention not only has high strength and good weather resistance, but also remarkably reduces carbon footprint and saves natural resources.

The invention relates to the technical field of asphalt mixtures, and particularly discloses an asphalt regenerant and a preparation method thereof. The asphalt regenerant comprises the following raw materials in parts by weight: 40-60 parts of base oil, 10-15 parts of a styrene-butadiene-styrene block copolymer, 10-15 parts of microwave activated rubber powder, 5-8 parts of an antioxidant, 10-20 parts of a penetration enhancer and 3-8 parts of a stabilizer, the base oil is at least one of bio-oil and vegetable oil; the bio-oil and the vegetable oil are used for improving the flowability of the regenerant, the regenerant can better permeate into a microporous structure of aged asphalt, and the styrene-butadiene-styrene block copolymer and the microwave activated rubber powder are combined, so that the viscoelasticity and the deformation resistance of the asphalt can be improved; the recovery capability of the regenerant on asphalt with different aging degrees is improved.

The invention discloses high-viscosity and high-elasticity modified asphalt and a preparation method thereof, and belongs to the technical field of highway engineering. The high-viscosity and high-elasticity modified asphalt is prepared from the following raw materials in parts by weight: 100 parts of matrix asphalt, 4 to 5 parts of styrene-butadiene-styrene block copolymer, 1 to 2 parts of polypropylene particles, 1 to 2 parts of TMC modifier, 1.5 to 3 parts of compatilizer, 0.5 to 1.5 parts of amide wax, 0.3 to 0.5 part of nano montmorillonite, 0.5 to 1 part of flexibilizer and 0.1 to 0.2 part of stabilizer, wherein the TMC modifier is a mixture formed by mixing simethicone, amino silicon oil, lauryl phosphate and castor oil polyoxyethylene ether according to the mass ratio of 5: 3: 1: 1. The high-viscosity and high-elasticity modified asphalt provided by the invention is high in softening point, good in viscosity and elasticity recovery capability at 60 DEG C, good in water resistance, aging resistance, weather resistance and high-temperature stability, and small in kinematic viscosity at 170 DEG C. The high-viscosity and high-elasticity modified asphalt provided by the invention is good in construction workability, and is beneficial to prolonging the service life of an asphalt pavement.

The invention provides transparent high-impact-resistance heat-resistant MBS (methyl methacrylate-butadiene-styrene) resin and a preparation method thereof, and relates to the field of high polymer material preparation methods, the transparent high-impact-resistance heat-resistant MBS resin is prepared from the following raw materials: water, ethanol, maleic anhydride, an emulsifier, MBS resin grafted latex, potassium persulfate and an antioxidant; the MBS resin grafted latex is prepared from the following raw materials: water, modified styrene-butadiene latex, sodium hydrogen sulfite, potassium persulfate, methyl methacrylate and styrene, the modified styrene-butadiene latex is prepared from the following raw materials: a pre-emulsion, glycidyl methacrylate, ammonium persulfate, divinyl benzene and potassium persulfate; the pre-emulsion is prepared from the following raw materials: water, an emulsifier, butadiene and styrene. The product is good in heat resistance and good in PVC modification effect, and the modified PVC composite material is high in light transmittance, high in cantilever beam impact strength and resistant to aging.

The invention discloses a water body heavy metal ion pollution treatment adsorption filtering membrane and a preparation method thereof, and relates to the technical field of water treatment. When the water body heavy metal ion pollution treatment adsorption filtering membrane is prepared, graphene oxide sequentially reacts with 3-diethylaminopropylamine, tetrabromophenyl porphyrin and N, N-diethyl allylamine, and functionalized graphene oxide is prepared; the preparation method comprises the following steps: reacting cellulose with 4 '-bromo-2, 2': 6 ', 2' '-terpyridyl and maleic anhydride in sequence to prepare modified cellulose; the preparation method comprises the following steps: reacting sodium alginate with propylene oxide to prepare modified sodium alginate; the modified sodium alginate, the modified cellulose, the functionalized graphene oxide, trans, trans-1, 3-butadiene-1, 4-dicarboxylic acid and a photoinitiator are subjected to a reaction, a membrane is prepared, and the water body heavy metal ion pollution treatment adsorption filtering membrane is prepared. The water body heavy metal ion pollution treatment adsorption filtering membrane prepared by the invention has good antibacterial and photocatalytic organic matter degradation capabilities.

The invention discloses a far-infrared high-transmittance composite material, a preparation method thereof and an optical device, and the far-infrared high-transmittance composite material comprises the following components in parts by weight: 70-99 parts of a polymer matrix; 1-30 parts of an anti-reflection auxiliary agent; the polymer matrix is a sulfur-containing polymer prepared by polymerization reaction of a polymeric monomer and sulfur, and the proportion of carbon-carbon unsaturated bonds is less than 3%; the polymeric monomer is selected from at least one of a vinyl monomer, a propenyl monomer, an acrylic acid monomer, a methacrylic acid monomer, an epoxide monomer, a thiopropyl ring monomer, an alkynyl monomer, a butadiene monomer, an isoprene monomer and a norbornene monomer; the anti-reflection auxiliary agent comprises at least one of nano zinc sulfide, nano zinc selenide, nano calcium fluoride, nano magnesium fluoride and nano magnesium oxide. The composite material and the optical device thereof have high far infrared transmittance and good mechanical properties and processability, and can meet the requirements of various far infrared optical fields.

The present invention provides an electrolyte-resistant hot melt tape, which comprises a PET substrate and a rubber hot melt adhesive layer coated on its surface. The rubber hot melt adhesive layer comprises the following components in parts by weight: 60-160 parts of styrene-butadiene rubber, 10-40 parts of maleic anhydride-modified polyolefin, 1-5 parts of epoxy curing agent, 10-40 parts of hydroxyl-terminated liquid polybutadiene, 1-5 parts of polyisocyanate curing agent, and 20-60 parts of rosin tackifying resin. The rubber hot melt adhesive layer of the electrolyte-resistant hot melt tape is tightly compounded with the polar PET substrate. At the same time, the moderate cross-linking between the components of the rubber hot melt adhesive layer can reduce the infiltration of the electrolyte, so that the electrolyte-resistant hot melt tape has excellent bonding strength before and after being immersed in the electrolyte, does not bubble or delaminate, improves the passing rate of the battery drop test, meets the requirements of the lithium battery industry for tape products, and improves the battery safety factor.

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.

The present disclosure provides a detection and analysis method for rapid delineation of aging stages of styrene-butadiene-styrene (SBS) modified asphalt, including the following steps: performing a Fourier transform infrared spectroscopy (FTIR) test on unaged SBS-modified asphalt samples to obtain a copolymer index of IB0 / S0 and neat asphalt functional group indexes, including the SI0, IB, aI0, ARI0, and CI0; performing the FTIR test on the aged SBS-modified asphalt samples to obtain an actual index of IB / S, SI, IB, aI, ARI, and CI; and delineating three aging stages of SBS-modified asphalt, including a polymer swelling stage, a polymer degradation stage and a component imbalance stage according to changes of functional group indexes. According to the present disclosure, the actual aging stages of the SBS-modified asphalt can be determined rapidly and accurately, providing a reasonable basis for the decision on pavement maintenance timing and mode.

The present disclosure provides a thermosetting resin composition contributing to reducing the elastic modulus of a cured product and increasing the flexibility thereof while reducing the chances of causing a decline in the heat resistance of the cured product. A thermosetting resin composition contains: a maleimide compound (A) having at least two maleimide groups in one molecule; a compound (B) having, at either or both of terminals thereof, a substituent with an ethylenic unsaturated bond and having a polyphenylene ether skeleton; and an inorganic filler (C). The compound (B) includes a compound (B1) having a butadiene-derived structural unit.

The invention relates to the technical field of waterproof coiled materials, and provides a macromolecule waterproof coiled material with a hook-and-loop fastener and a preparation method thereof.The macromolecule waterproof coiled material with the hook-and-loop fastener sequentially comprises the hook-and-loop fastener, a macromolecule sheet layer, a blocking layer, an upper gluing waterproof layer, a film-based macromolecule layer, a lower gluing waterproof layer and an anti-sticking layer from top to bottom; the upper adhesive waterproof layer and the lower adhesive waterproof layer are both modified self-adhesive asphalt sizing materials, and the modified self-adhesive asphalt sizing materials comprise asphalt, softening agents, styrene-butadiene-styrene block copolymers, butadiene styrene rubber, butyl rubber, tackifying resin, desulfurized rubber powder, filler and compatilizers. The filler is prepared from the following raw materials: carbon black, silicon dioxide, a silane coupling agent and 5-methylphenol-2-calcium sulfonate; the hook-and-loop fastener is a hook-and-loop fastener, the hook-and-loop fastener comprises a hook-and-loop fastener hook surface layer and a hook-and-loop fastener loop surface layer, and by means of the technical scheme, the problem that in the prior art, the high polymer waterproof roll is low in peel strength is solved.

The invention relates to the technical field of ABS (Acrylonitrile Butadiene Styrene) materials, in particular to an impact-resistant composite ABS plate and a preparation method thereof. The impact-resistant composite ABS plate is prepared from the following raw materials in parts by mass: 100 to 200 parts of emulsion ABS resin, 10 to 20 parts of butadiene monomer, 5 to 10 parts of methyl methacrylate, 1 to 5 parts of glycidyl acrylate, 1 to 5 parts of maleic anhydride, 5 to 15 parts of styrene, 1 to 5 parts of aminated silicon dioxide, 0.1 to 0.5 part of benzoyl peroxide, 0.1 to 0.3 part of triethylamine, 0.1 to 1 part of emulsifier and 0.01 to 0.1 part of first initiator, 0.05-0.2 part of a second initiator, 1-3 parts of oxidized polyethlene wax, 1-2 parts of a lubricant and 1-3 parts of an antioxidant. The invention solves the contradiction between the heat resistance and impact strength of the ABS resin, has obvious advantages compared with the traditional modification system, and completely meets the application requirements of the plate in a high-temperature vibration environment.

The invention relates to the technical field of organic chemical synthesis, and particularly discloses a method for producing hexafluorobutadiene, a continuous production system and application thereof. The method for producing hexafluorobutadiene comprises the following steps: (1) bromination reaction: reacting tetrafluoroethylene with liquid bromine to generate dibromotetrafluoroethane; (2) telomerization reaction: reacting the dibromo tetrafluoroethane with tetrafluoroethylene under the action of a catalyst to generate dibromo octafluorobutane; the catalyst is cuprous bromide; and (3) elimination reaction: reacting the dibromo octafluorobutane under the action of a Grignard reagent to generate hexafluorobutadiene. The method provided by the invention has the advantages of simple process, easily available raw materials, high production efficiency, continuous production, low production cost and industrial mass production value.

The invention discloses a composite material template prepared from a recycled PC template and a production process of the composite material template, and belongs to the technical field of polycarbonate composite materials. The composite material template prepared from the recycled PC template comprises the following components in parts by weight: 5-15 parts of a PC template recycled material, 60-80 parts of polycarbonate, 5-10 parts of a compatilizer, 2-5 parts of MBS, 5-8 parts of butadiene rubber, 10-20 parts of modified glass fibers, 2-5 parts of a dispersing agent, 0.5-1 part of an antioxidant and 0.2-0.5 part of an optical stabilizer. Through the matching effect of the specific compatilizer, MBS, butadiene rubber and modified glass fiber, on one hand, on the basis that the specific compatilizer is added to improve the compatibility of the composite material, the mechanical property of the composite material is not lost; and on the other hand, butadiene rubber, MBS and modified glass fibers are matched to improve the mechanical property of the composite material, so that the PC template reclaimed material is fully utilized to prepare the composite material template with good performance.

The invention belongs to the field of water treatment, and particularly relates to a graphene-based quinone mediator membrane as well as a preparation method and application thereof. The graphene-based quinone mediator membrane comprises a membrane matrix, and graphene, amino imidazopyridine and humus which are dispersed in the membrane matrix, the membrane substrate is made of polyvinylidene fluoride / butadiene, the polyvinylidene fluoride / butadiene is a random copolymer of polyvinylidene fluoride and butadiene, and an anthraquinone modification unit is bonded on a butadiene structural unit of the random copolymer. The graphene-based quinone mediator membrane provided by the invention has very high initial denitrification rate and over-time denitrification rate.

A joint member having a thermoplastic elastomer composition including components (A), (B), and (C). Component (A): a hydrogenated product of a block copolymer including at least two polymer blocks composed primarily of a vinyl aromatic compound and at least one polymer block including butadiene, wherein, in the hydrogenated product of the block copolymer, a proportion of a hydrogenated product (A1) of a block copolymer having a weight-average molecular weight of 300,000 or more is 30% to 100% by mass, Component (B): a hydrocarbon rubber softener, Component (C): a polypropylene resin, Component (D): a crosslinking agent.

The invention discloses an ether polymerization inhibitor special for a butadiene extraction system and a preparation method of the ether polymerization inhibitor. The ether polymerization inhibitor comprises the following raw materials: a polymerization inhibitor intermediate, a solvent and a dispersing agent, the production process comprises the following steps: preparing a polymerization inhibitor intermediate, preparing a solvent, compounding, feeding and mixing, filtering, removing impurities and detecting. According to the method, firstly, a polymerization inhibitor 701 and diethylene glycol normal pressure etherification process is adopted, and beta-hydroxyethyl methyl ether is introduced to seal a terminal group, so that the power consumption is reduced, the generation of byproducts is inhibited, the solubility of an intermediate acetonitrile is improved to be greater than or equal to 30g / L, and the anti-interference performance is greatly enhanced; the solvent doped with a small amount of silane modified nano diatomite is prepared, impurities can be adsorbed, metal ions can be chelated, the dispersing agent can be assisted to be evenly distributed, the problems that a pure water solvent is single in function and the dispersing agent is prone to agglomeration are solved, and the polymerization inhibition efficiency and the stability of an extraction system are guaranteed.

The invention relates to the technical field of floating cables, and provides a waterproof corrosion-resistant floating cable which comprises a conductor, an insulating layer, a foaming layer and a sheath layer from inside to outside. The sheath layer comprises the following raw material components in parts by mass: 90-110 parts of a styrene-butadiene-styrene block copolymer, 60-80 parts of polypropylene, 80-90 parts of white oil, 15-25 parts of a filler, 2-3 parts of an antioxidant, 1-2 parts of a compatilizer and 1-3 parts of a dispersant; the filling agent is composite calcium carbonate; the preparation method of the composite calcium carbonate comprises the following steps: A1, adding calcium carbonate into an alkaline solution, and uniformly mixing to obtain a mixed solution; a2, adding magnesium chloride and aluminum chloride into water, and mixing to obtain a metal salt mixed solution; and A3, adding the metal salt mixed solution into the mixed solution, stirring, centrifuging, washing and drying to obtain the composite calcium carbonate. According to the technical scheme, the problem of poor acid corrosion resistance of the waterproof floating cable in the prior art is solved.

The invention relates to the technical field of macromolecules, in particular to a ceramic flame-retardant PC / ABS alloy material and a preparation method thereof. Comprising the following raw materials in parts by weight: 55-65 parts of polycarbonate, 30-40 parts of an acrylonitrile-butadiene-styrene copolymer, 0.1-1 part of a compatilizer, 0.1-1 part of a flexibilizer, 1-10 parts of ceramic powder, 3-8 parts of an inorganic composite nano filler, 1-10 parts of a flame retardant, 0.1-1 part of a silane coupling agent and 0.1-0.5 part of an antioxidant. The preparation method of the ceramic flame-retardant composite material mainly comprises the following steps: drying the raw materials, uniformly mixing the raw materials, processing and extruding, and carrying out injection molding, and by adopting the synergistic effect of the ceramic powder and the flame retardant, the PC / ABS alloy material is endowed with excellent flame retardance while good mechanical properties of the PC / ABS alloy material are ensured.

The invention discloses a hard asphalt mixture and a preparation method thereof, and belongs to the technical field of road engineering materials. Aiming at the problems of insufficient strength, stability and durability of the existing hard asphalt mixture, the method comprises the following steps: grading and mixing basalt and diabase composite coarse aggregate, medium aggregate with a specific ratio, fine aggregate containing basalt mineral fibers and limestone mineral powder; the preparation method comprises the following steps: heating to 175-185 DEG C, adding modified asphalt prepared by shearing and blending matrix asphalt and a styrene-butadiene-styrene block copolymer modifier, carrying out dry mixing and wet mixing, scattering lignin fibers, and carrying out thermal insulation aging and three-stage compaction molding. Wherein the rotating speed and time of dry mixing and wet mixing are controlled, the compaction is divided into initial pressing, re-pressing and final pressing stages, and different pressures are set. According to the preparation method, the performance of the mixture is improved by optimizing aggregate composition, a modified asphalt process and mixing and compacting parameters, and the preparation method is mainly used for road engineering construction with high requirements on pavement strength and stability.

The invention relates to the technical field of power cables, and provides a marine power cable which comprises a conductor, an insulating layer, an armor layer and a sheath layer are sequentially arranged on the outer side of the conductor, and the sheath layer is prepared from, by weight, 40-50 parts of polyethylene, 35-45 parts of methyl vinyl silicone rubber, 30-40 parts of nitrile rubber, 8-10 parts of plasticizer, 40-60 parts of filler, 1-2 parts of antioxidant and 1-3 parts of vulcanizing agent; the nitrile rubber is composed of nitrile rubber A, nitrile rubber B and nitrile rubber C, and the nitrile rubber A, nitrile rubber B and nitrile rubber C have different molecular structures; the nitrile rubber A is obtained by polymerizing butadiene and acrylonitrile; the nitrile rubber B is obtained by catalytic hydrogenation of nitrile rubber; and the nitrile rubber C is obtained by ternary polymerization of butadiene, acrylonitrile and organic acid. According to the technical scheme, the problem of poor corrosion resistance of the marine power cable in the prior art is solved.

The invention discloses a preparation method of nitrile rubber with improved thermo-oxidative aging resistance, which comprises the following steps: butadiene and acrylonitrile are used as main polymerization monomers, and a reactive anti-aging agent with an amide group is used as a functional monomer; the total addition amount of butadiene and acrylonitrile is 100 parts by mass, and acrylonitrile is added in batches or continuously, preferably more than three times; a low-temperature emulsion polymerization method is adopted, and the compound emulsifier at least contains disproportionated rosin soap, C10-C13 linear alkyl benzene sulfonic acid and naphthalene sulfonic acid formaldehyde condensate sodium salt; the preparation method comprises the following steps of: adding a molecular weight regulator into a compound emulsifier, preferably 3.2-6.5 parts by weight, more preferably 3.8-6.0 parts by weight of the compound emulsifier, adding the molecular weight regulator once or multiple times, synthesizing butyronitrile rubber cement, adding a terminating agent, degassing, condensing, washing and drying to obtain the butyronitrile rubber. According to the invention, the nitrile rubber with good thermo-oxidative aging resistance is produced, wherein the content of bound acrylonitrile is 17-20%, and the binding amount of Mooney viscosity # imgabs0 # reactive anti-aging agent is 1-2%.

The invention relates to the technical field of road engineering materials, in particular to a blade glass fiber regenerated RPC type wear-resistant and rut-resistant rubber and plastic composite auxiliary material. The material is prepared from the following components in parts by weight: 40 to 60 parts of regenerated polyethylene, 20 to 40 parts of modified wind driven generator blade regenerated glass fiber powder, 10 to 20 parts of rubber powder, 3 to 8 parts of maleic anhydride grafted polyethylene, 5 to 10 parts of styrene-butadiene-styrene block copolymer (SBS), 1 to 3 parts of polyethylene wax and 5 to 10 parts of calcium powder. The preparation process of the modified regenerated polyethylene comprises the steps of isocyanate esterification and porous microspheroidization. The modified wind driven generator blade regenerated glass fiber powder is prepared by performing acid etching on wind driven generator blade regenerated glass fiber powder, performing plasma activation, and compounding polyfunctional group titanate and a polyamino silane coupling agent. The leaf glass fiber regenerated RPC type wear-resistant and rut-resistant rubber and plastic composite auxiliary material prepared by the preparation method disclosed by the invention has the advantages that various properties of an asphalt pavement are remarkably improved, meanwhile, green cyclic utilization of waste resources is realized, and remarkable economic and social benefits are achieved.

The invention belongs to the field of waterproof coiled materials, and discloses an ionic crosslinking wide damping temperature range self-healing asphalt waterproof coiled material. The waterproof coiled material comprises an upper surface isolating layer, an upper surface modified asphalt coating material layer, an upper inner modified asphalt coating material layer, a tire base layer, a lower inner modified asphalt coating material layer, a lower surface modified asphalt coating material layer and a lower surface isolating layer which are sequentially arranged from top to bottom, the coating material raw materials of each modified asphalt coating material layer comprise the following components: an asphalt matrix, a maleic anhydride modified styrene-butadiene-styrene thermoplastic elastomer, carboxy nitrile rubber, nitrile rubber, ethylene vinyl acetate rubber, an auxiliary agent, rubber powder and an inorganic filler. By means of designing a coating material formula, a production process and the like of the waterproof coiled material, the waterproof performance, the self-healing performance and the damping performance of the waterproof coiled material are improved, the damping problem of a building is effectively solved, and the waterproof performance, the damping performance and the self-healing performance are effectively considered fundamentally.

The invention relates to the technical field of polypropylene plastics, and particularly discloses a preparation method of a high-toughness polypropylene plastic bucket, which comprises the following steps: dissolving benzoyl peroxide in toluene, adding an organic silicon prepolymer with double bonds at one end, and uniformly mixing to prepare a mixed solution; adding polypropylene K8003 and polypropylene Z30S into a high-speed mixer, adding the mixed solution, and mixing at 105-120 DEG C for 5-15 minutes to obtain a mixture; carrying out extrusion granulation on the mixture to obtain modified polypropylene; adding the obtained modified polypropylene, PP-g-MAH, a hydrogenated styrene-butadiene block copolymer, vinyl-terminated silicone oil, modified titanium dioxide and an antioxidant into a high-speed mixer for mixing, performing extrusion granulation, and finally performing injection molding to obtain the high-toughness polypropylene plastic bucket. The polypropylene plastic bucket is prepared by combining the polypropylene K8003, the polypropylene Z30S, the modified titanium dioxide, the antioxidant, the PP-g-MAH, the hydrogenated styrene-butadiene block copolymer and other components, and the components interact with one another, so that the toughness and the impact resistance of the polypropylene plastic bucket are improved.

The invention discloses a copper-clad plate material containing elastomer resin and a preparation method of the copper-clad plate material, and belongs to the technical field of new materials. The method comprises the following steps: mixing a styrene-butadiene-styrene block copolymer with polybutadiene rubber, adding nano-montmorillonite, and carrying out intercalation modification through hexadecyl trimethyl ammonium bromide to prepare nano-modified elastomer resin; the preparation method comprises the following steps: mixing polybutylene terephthalate with nano silicon dioxide, and carrying out surface modification by gamma-aminopropyltriethoxysilane and hexamethyldisilazane to obtain a resin matrix; mixing the two phases, adding citric acid, and carrying out microwave heating and high-shear dispersion to obtain a discrete material; carrying out hot pressing on the dispersion, adding polyurethane and polylactic acid, uniformly mixing, adding polydimethylsiloxane and sodium dodecyl benzene sulfonate, and curing to obtain a cured product; and coating the surface of the cured product with a nano-copper layer. The material has the characteristics of high peel strength, low dielectric loss, low water absorption and low thermal expansion, and is suitable for the field of high-speed low-loss copper-clad plates.

The invention discloses a high-strength, low-temperature-resistant and aging-resistant polymer rubber material and a preparation method thereof in the technical field of rubber materials. The high-strength, low-temperature-resistant and aging-resistant polymer rubber material comprises the following components in parts by weight: 100-120 parts of a rubber matrix, 44-62.5 parts of an interface auxiliary agent, 8-15 parts of a vulcanization system, 4-5 parts of a protection system and 8-12 parts of a toughening agent. According to the invention, a multi-component synergistic system is constructed by the multifunctional reinforcer, amino-terminated polysiloxane, amino-terminated polybutadiene and epoxidized soybean oil, and meanwhile, a carbon black / Si-69 interface assistant and a protection / vulcanization system are optimized, so that the synergistic improvement of mechanical properties, low temperature resistance and aging resistance is achieved; the technical problems that traditional rubber is single, excellent in performance and unbalanced in comprehensive performance are solved.

The invention discloses polybutadiene latex, a preparation method thereof and transparent ABS (Acrylonitrile Butadiene Styrene) resin. In the preparation process of the polybutadiene latex, the emulsifier is additionally added at a relatively high conversion rate to promote the reaction to generate part of latex particles with small particle sizes. When the latex prepared by the method is used for further preparing the transparent ABS resin, since the latex with the particle size of 30-70nm has a rayleigh scattering effect to a certain extent, a small amount of blue light can be scattered, so that the yellow index of the resin is reduced, and the prepared transparent ABS has better hue.

The invention belongs to the technical field of chemical engineering, particularly relates to a preparation method and a preparation device of electronic-grade hexafluorobutadiene, and aims to provide a brand-new hexafluorobutadiene synthesis route which can fundamentally solve the bottleneck problem in the existing hexafluorobutadiene production or preparation method. According to the preparation method, chlorotrifluoroethylene is taken as a main raw material, and the electronic grade 4N hexafluorobutadiene meeting the application of the semiconductor industry is prepared through two steps of catalytic polymerization and finished product rectification. The process raw materials and the device are high in utilization rate, impurities such as heptafluorobutene and hexafluorocyclobutene which are difficult to purify do not exist, the quality of the produced finished product can be effectively guaranteed under the condition that the cost is low, and then the technology is more competitive.