120 results about "Tributyl citrate" patented technology

The invention discloses an easy-to-apply single-component polyurethane waterproof coating and a preparation method thereof, and belongs to the technical field of waterproof coatings. The easy-to-apply single-component polyurethane waterproof coating disclosed by the invention is prepared from the following raw materials: polyol, a plasticizer, a solid filler, isocyanate, a catalyst and a solvent, the polyol comprises polyether glycol and polyether triol; the plasticizer comprises acetyl tributyl citrate; the catalyst comprises a bismuth neodecanoate catalyst and a dimorpholine diethyl ether catalyst. According to the easy-to-apply single-component polyurethane waterproof coating disclosed by the invention, acetyl tributyl citrate is used for replacing traditional plasticizer chlorinated paraffin, and a bismuth neodecanoate catalyst and a dimorpholine diethyl ether (DMDEE) catalyst are compounded, so that the viscosity of the waterproof coating is effectively reduced, and construction is facilitated; meanwhile, the drying speed of the waterproof coating is increased.

The invention discloses a high-barrier polycrystalline silicon packaging film and a preparation method thereof, and relates to the technical field of packaging materials. The high-barrier polycrystalline silicon packaging film consists of a polyester film carrier and functional slurry, the functional slurry is prepared from the following raw materials in parts by weight: 15 to 25 parts of ethylene-vinyl alcohol copolymer, 10 to 18 parts of polyvinylidene chloride, 5 to 10 parts of modified nano montmorillonite, 8 to 15 parts of modified polylactic acid, 3 to 6 parts of tributyl citrate, 1 to 3 parts of antioxidant 1010, 1 to 3 parts of ultraviolet light absorber UV-531, 0.5 to 1.5 parts of nucleating agent NA-11, 1 to 2 parts of silane coupling agent KH-550 and 3 to 7 parts of modified silicon dioxide aerogel; 2 to 5 parts of vinyl trimethoxy silane, 1 to 3 parts of nano silver and 20 to 30 parts of deionized water. The high-barrier polycrystalline silicon packaging film has excellent barrier performance, and can effectively block oxygen, water vapor and the like. The polycrystalline silicon packaging film is good in mechanical performance, not prone to damage, antibacterial, antioxidant and anti-ultraviolet, the quality guarantee period of polycrystalline silicon can be prolonged, the product quality can be guaranteed, and the polycrystalline silicon packaging film has great application value in the field of polycrystalline silicon packaging.

The invention discloses a high-RAP-doping-amount cold-mixed asphalt regenerant, and particularly relates to the technical field of asphalt regenerant, the high-RAP-doping-amount cold-mixed asphalt regenerant comprises the following raw materials: hydrogenated extract oil, acetyl tributyl citrate, a low-temperature penetrant, pre-swelling SEBS master batch, a crosslinking catalyst and a microcapsule antioxidant. Molecular-level branched-chain alkyl sodium sulfonate can be wedged into aged asphalt microcracks at the temperature of 65 DEG C, lost light components are balanced and supplemented through hydrogenated extract oil, an SEBS micro-crosslinking network forms an in-situ reinforcement effect at the temperature of 90 DEG C, the triple regeneration effect of regenerated asphalt is achieved, and the service life of the regenerated asphalt is prolonged. Nano-zinc oxide is treated by a silane coupling agent and then is modified by using methyl methacrylate and potassium persulfate, so that the nano-zinc oxide is coated with polymethyl methacrylate, the compatibility of the microcapsule antioxidant and the recycled asphalt can be improved, and the anti-aging performance of the recycled asphalt is improved.

The invention discloses a biodegradable polylactic acid composite material and a preparation method thereof, and relates to the technical field of polylactic acid materials. The method comprises the steps that firstly, chitosan activated through hydrochloric acid is subjected to graft modification through a KH550 silane coupling agent, meanwhile, nano-zinc oxide is subjected to surface modification through stearic acid, the chitosan and the nano-zinc oxide are mixed, spray drying is conducted, and antibacterial composite powder is prepared; the preparation method comprises the following steps: performing hydrochloric acid activation and KH570 silane coupling agent modification on nano silicon dioxide, performing hydroxypropylation modification on alkali lignin, and performing reflux crosslinking reaction on the modified alkali lignin, KH570 modified nano silicon dioxide, polycaprolactone, methyl methacrylate and azodiisobutyronitrile to prepare a heat-resistant reinforcer; uniformly mixing polylactic acid, poly (butylene succinate), the antibacterial composite powder, the heat-resistant reinforcer, tributyl citrate, polyethylene glycol and talcum powder, and extruding and granulating by using a twin-screw extruder to obtain the heat-resistant antibacterial material. The composite material prepared by the invention has excellent antibacterial property, heat resistance and biodegradability.

The invention relates to the technical field of degradable materials, and discloses an environment-friendly degradable polylactic acid straw and a preparation process thereof. Comprising the following operation steps: step 1, adding chitosan into a mixed solution, uniformly mixing, adding an aminated lignocellulose-aqueous solution and a glutaraldehyde aqueous solution, uniformly mixing, adjusting the pH value to 6.5-7, reacting at 40-45 DEG C for 2.5-3 hours, washing and drying to obtain modified lignocellulose; step 2: (1) uniformly mixing modified polylactic acid, polyhydroxyalkanoate, modified wood fiber, tributyl citrate and triglyceride, banburying, discharging and crushing to obtain composite master batch; and (2) sequentially carrying out extrusion molding, cooling shaping and cutting on the composite master batch to obtain the degradable polylactic acid straw.

The invention discloses a degradable express bag material and a preparation method thereof, and relates to the technical field of high polymer materials. The invention discloses a degradable express bag material. The composite material is prepared from the following raw materials in parts by weight: 40 to 50 parts of poly (butylene adipate-co-terephthalate), 20 to 30 parts of polycaprolactone, 5 to 8 parts of modified bamboo fiber, 2 to 4 parts of modified nano montmorillonite, 3 to 6 parts of tributyl citrate, 0.1 to 0.3 part of antioxidant 1076, 1 to 2 parts of iron dithiocarbamate master batch, 2 to 3 parts of maleic anhydride grafted poly (butylene adipate-co-terephthalate) and 0.3 to 0.6 part of zinc stearate. 0.1 to 0.3 part of baicalein; and 1 to 3 parts of chitosan-sorbitol composite coating liquid. According to the degradable express bag material, poly (butylene adipate-co-terephthalate) and polycaprolactone are used as main degradable raw materials, modified bamboo fibers and modified nano-montmorillonite are matched to enhance the mechanical property, an antioxidant 1076, baicalein and the like are added to guarantee the stability and functionality, temperature is accurately controlled in the preparation process, multi-step modification is adopted for optimizing component combination, and the degradable express bag material is prepared. The performance is improved through the composite coating, degradability is achieved, and good usability is achieved.

The invention discloses an environment-friendly EVA (Ethylene Vinyl Acetate) material and belongs to the technical field of polymer composite materials. The environment-friendly EVA material is prepared from the following components: EVA resin, a bio-based dynamic cross-linking agent DBX-200, a natural fiber reinforced network, a hybrid flame-retardant filler, a bio-based plasticizer, zinc oxide, zinc stearate and an antioxidant. The bio-based dynamic cross-linking agent DBX-200 is introduced to replace a traditional toxic peroxide cross-linking system, pollution-free cross-linking is achieved, and the material is endowed with a self-repairing function. The natural fiber reinforced network is composed of silane coupling agent modified bamboo fibers and carboxylated nanocellulose, a multi-stage reinforced structure is formed, and the mechanical property is remarkably improved. The hybrid flame-retardant filler coats Mg (OH) 2 / HNTs through dopamine, so that synergistic flame retardance of a gas phase and a condensed phase is realized; the bio-based plasticizer is compounded by acetylated tributyl citrate and epoxidized cashew nut oil, and the plasticizing efficiency and the migration resistance are both considered. The material has the characteristics of high mechanical property, excellent flame retardance and environmental friendliness, and is suitable for the fields of shoemaking and the like.

The invention discloses a high-barrier polyethylene film and a preparation method thereof, and relates to the technical field of high polymer materials. The invention discloses a high-barrier polyethylene film. The high-density polyethylene composite material is prepared from the following raw materials in parts by weight: 25 to 40 parts of high-density polyethylene, 15 to 30 parts of linear low-density polyethylene, 8 to 16 parts of ethylene-vinyl alcohol copolymer, 3 to 8 parts of nano montmorillonite, 5 to 10 parts of modified layered double hydroxide, 2 to 6 parts of nano silicon dioxide aerogel, 0.2 to 0.6 part of antioxidant 1076, 0.1 to 0.4 part of light stabilizer UV-770, 3 to 7 parts of tributyl citrate and 1 to 3 parts of octadecanamide. 1-3 parts of polyethylene wax, 0.6-1.2 parts of a silane coupling agent KH560 and 7-12 parts of a functional additive. According to the high-barrier polyethylene film disclosed by the invention, by using the modified layered double hydroxide and the functional additive, the barrier property and the antibacterial property are enhanced, the mechanical property is improved, the comprehensive performance is excellent, and the application prospect is good.

The invention relates to the technical field of polymer compositions, and particularly discloses a degradable bio-based food packaging material and a preparation method thereof.The degradable bio-based food packaging material is prepared from polylactic acid, ITA esterified bacterial cellulose, CSL-ITA esterified bacterial cellulose, polycaprolactone glycol, acetyl tributyl citrate, a photoinitiator and tocopherol; the preparation method comprises the following steps: esterifying bacterial cellulose hydrogel with itaconic anhydride, grafting with sodium copper chlorophyllin, dehydrating with gradient ethanol, and drying with supercritical CO2 to obtain modified powder; according to the preparation method, the interfacial compatibility of the bacterial cellulose and the polylactic acid is enhanced through ITA esterification, the illumination antibacterial function is given by utilizing CSL grafting, the polycaprolactone glycol and the acetyl tributyl citrate are synergistically used for toughening and improving the brittleness, the photoinitiator is added, the photoinitiator is added for mixing, and ultraviolet crosslinking curing is performed after film forming. The tocopherol protects the stability of the antibacterial structure of the CSL, the water resistance is improved through photo-crosslinking, and the material is degradable and meets the food packaging requirement.

The invention provides a heat insulation and energy storage polylactic acid-based composite material, the polylactic acid-based composite material is a three-layer composite material, and comprises a surface layer, an energy storage layer and a heat conduction buffer layer, the surface layer comprises high-crystallinity polylactic acid, mesoporous SiO2, micron hollow glass beads, nano TiO2, nano ZnO and an antioxidant 1010, the energy storage layer comprises low-crystallinity polylactic acid and phase change microcapsules, and the heat conduction buffer layer comprises a heat conduction buffer layer. The composite material comprises polylactic acid, hydroxylated carbon nanotubes, polycaprolactone, tributyl citrate and an antioxidant 1010, and the composite material comprises medium-crystallinity polylactic acid, hydroxylated carbon nanotubes and polycaprolactone. The polylactic acid-based composite material prepared by the preparation method disclosed by the invention realizes the balance of heat insulation, energy storage and mechanical properties.

The invention discloses an environment-friendly odorless sealing strip adhesive as well as preparation and application thereof, and the environment-friendly odorless sealing strip adhesive is prepared from the following components in parts by mass: 15 to 20 parts of polyacrylate resin, 10 to 15 parts of dammar resin, 5 to 10 parts of fir resin, 3 to 5 parts of hydrogenated terpene resin, 2 to 5 parts of tributyl citrate and 45 to 65 parts of n-decane. The preparation method comprises the following steps: uniformly mixing natural resin (dammar resin, fir resin and hydrogenated terpene resin), polymeric monomers (n-octyl acrylate, methyl methacrylate and hydroxyethyl acrylate) and an environment-friendly solvent (n-decane), and then polymerizing to obtain the environment-friendly adhesive. The synthetic resin (polyacrylate resin) and the natural resin are sufficiently and mutually dissolved in n-decane to form stable and uniform composite resin glue, so that the problems of health risk and environmental pollution caused by harmful solvents such as xylene in the traditional sealing glue are effectively avoided, and the characteristics of no toxicity, no odor and environmental protection of the product are realized; meanwhile, the stability and the bonding performance of the section sealing glue are improved, the matching performance of the optical transmittance and the refractive index of the section sealing glue is enhanced, and the section sealing glue has quick-drying performance and is suitable for medical pathological sections.

The invention relates to the technical field of polymer fibers, and particularly discloses an antibacterial and antistatic polymer fiber for fabric and a preparation method thereof. The antibacterial and antistatic polymer fiber for the fabric comprises the following raw materials: 40-60 parts of a copolymerized polyester base material; 8 to 12 parts of a modified UiO-66 antibacterial agent; 5-10 parts of a composite antistatic agent; 2 to 5 parts of polyether ester amide; 1 to 3 parts of tributyl citrate; 0.5 to 2 parts of erucyl amide; 0.3 to 1 part of a composite antioxidant; the modified UiO-66 antibacterial agent is obtained by modifying UiO-66 by using curcumin and a silane coupling agent. The polymer fiber has excellent antibacterial performance and antistatic performance, and can meet the use requirements of high-end scenes such as medical protection, infant home textiles and precision electronic workshop tools.

The invention relates to a high-purity HDPE composite material with a self-cleaning function for an ultra-clean barrel, and belongs to the technical field of high polymer materials. Comprising the following raw materials in parts by weight: 85-95 parts of high-density polyethylene, 3-5 parts of a modified filler, 1-2 parts of an antioxidant and 0.5-1.5 parts of a plasticizer. Nano silicon dioxide is deposited on the surface of bismuth oxybromide by a modified filler through a sol-gel method, so that the photocatalytic efficiency and the material stability are improved, and the dispersity in an HDPE (High-Density Polyethylene) matrix is improved; and then a silane coupling agent KH570 is grafted on the surface of silicon dioxide, so that the material is endowed with hydrophobic performance, pollutant adhesion is prevented, meanwhile, the compatibility with HDPE is enhanced, and the mechanical property of the composite material is improved. Acetyl tributyl citrate and epoxidized soybean oil are mixed according to the ratio of 1: 1 to serve as an environment-friendly plasticizer, and the processability, flexibility and impact strength of HDPE are synergistically improved. The HDPE composite material prepared by the invention has a self-cleaning function, excellent mechanical properties and environmental friendliness, and is suitable for ultra-clean barrel products.

The invention discloses a preparation method of an environment-friendly water-based rubber protective film, and belongs to the technical field of rubber chemical modification. Comprising the following steps: mixing butadiene styrene rubber and nitrile rubber according to a mass ratio of 3: 1 to prepare an emulsion with the solid content of 40-50%, adding nano silicon dioxide and a silane coupling agent, and reacting at 50-60 DEG C for 2-3 hours to obtain a silane modified rubber emulsion; the preparation method comprises the following steps: preparing sodium alginate into a 2-3% aqueous solution, adding tributyl citrate and nano-zinc oxide, and carrying out ultrasonic dispersion for 30 minutes to obtain a composite cross-linking agent solution; dissolving chitosan in an acetic acid solution, adding propyl gallate and nano montmorillonite, and uniformly stirring and mixing to obtain a functional additive solution; adding the composite cross-linking agent solution and the functional additive solution into the modified rubber emulsion; by optimizing a formula system and a preparation process, the problems that an existing water-based protective film is poor in stability, low in drying speed, insufficient in water resistance and difficult to consider both flexibility and adhesive force are solved.

The invention relates to the technical field of waterproof gas-permeable membranes, in particular to a waterproof gas-permeable membrane with heat preservation performance and a preparation method thereof.The waterproof gas-permeable membrane with the heat preservation performance comprises a bio-based polymer, an ultraviolet light absorber, heat preservation filler, a plasticizer and a cross-linking agent.The bio-based polymer is selected from one or more of polylactic acid (PLA), polyhydroxyalkanoate (PHA) and cellulose ester; the ultraviolet light absorber is a mixture of nano-zinc oxide and nano-titanium dioxide, the thermal insulation filler is a combination of aerogel microspheres and hollow glass beads, the plasticizer is tributyl citrate or acetyl tributyl citrate, the cross-linking agent is a carbodiimide compound, and the filler is a mixture of nano-zinc oxide and nano-titanium dioxide. The materials are subjected to drying, blending, melt extrusion, stretching forming and heat treatment to finally obtain a waterproof breathable film with a heat preservation effect, and meanwhile, the waterproof breathable film also has an ultraviolet-proof function.

The invention discloses a high-barrier polycrystalline silicon packaging film and a preparation method thereof, and relates to the technical field of packaging materials. The invention discloses a high-barrier polycrystalline silicon packaging film. The composite material is prepared from the following raw materials in parts by weight: 15 to 25 parts of ethylene-vinyl alcohol copolymer, 10 to 18 parts of polyvinylidene chloride, 5 to 10 parts of nano montmorillonite, 8 to 15 parts of modified polylactic acid, 3 to 6 parts of tributyl citrate, 1 to 3 parts of antioxidant 1010, 1 to 3 parts of ultraviolet light absorber UV-531, 0.5 to 1.5 parts of nucleating agent NA-11, 1 to 2 parts of silane coupling agent KH-550 and 3 to 7 parts of modified silicon dioxide aerogel. 2 to 5 parts of vinyl trimethoxy silane, 1 to 3 parts of nano silver and 20 to 30 parts of deionized water. The high-barrier polycrystalline silicon packaging film provided by the invention has remarkable advantages and scientific raw material ratio, is prepared by a special process, has excellent barrier performance, and can effectively block oxygen, water vapor and the like. The polycrystalline silicon packaging film is good in mechanical performance, not prone to damage, antibacterial, antioxidant and anti-ultraviolet, the quality guarantee period of polycrystalline silicon can be prolonged, the product quality can be guaranteed, and the polycrystalline silicon packaging film has great application value in the field of polycrystalline silicon packaging.

The invention discloses a compounding method of a dynamic plasticizing regulation type PVC (polyvinyl chloride) environment-friendly stabilizer, and relates to the technical field of PVC processing aids. The invention discloses a dynamic plasticizing regulation type PVC (polyvinyl chloride) environment-friendly stabilizer. The graphene quantum dot / hydrotalcite composite material is prepared from the following raw materials in parts by weight: 20 to 30 parts of modified calcium stearate, 50 to 70 parts of modified tributyl citrate, 60 to 90 parts of hydrotalcite, 12 to 22 parts of organic tin, 18 to 28 parts of pentaerythritol, 16 to 22 parts of compound antioxidant, 4 to 10 parts of nano silicon dioxide, 22 to 32 parts of bio-based fatty acid, 2 to 6 parts of graphene quantum dots and 12 to 16 parts of methyl methacrylate-butadiene-styrene copolymer. 3-6 parts of an antistatic agent, 10-14 parts of a phosphorus-containing flame retardant, 4-10 parts of stearic acid and 3-7 parts of nano montmorillonite. According to the invention, calcium stearate and tributyl citrate are modified, so that the stabilizer is endowed with dynamic plasticizing regulation and control capability, and has multiple functions of efficient thermal stability, flame retardance and the like. The raw materials are environmentally friendly, low-temperature rapid plasticizing can be achieved, energy consumption is reduced, and the product is excellent in mechanical property, high in weather resistance and suitable for multiple scenes such as pipes and electronic packaging and conforms to the green and intelligent development trend.

The invention discloses a recycled PP composite material with flame-retardant and antibacterial properties and a preparation method thereof, and relates to the technical field of recycled PP composite materials. The recycled PP composite material with flame-retardant and antibacterial properties is prepared from the following raw materials in parts by weight: 60 to 75 parts of recycled PP, 15 to 25 parts of modified magnesium hydroxide, 3 to 8 parts of modified chitosan, 2 to 5 parts of ethylene-vinyl acetate copolymer, 0.5 to 1.5 parts of silane coupling agent KH-550, 8 to 15 parts of ammonium polyphosphate, 0.3 to 0.8 part of calcium stearate, 1 to 3 parts of nano titanium dioxide and 0.2 to 0.6 part of tributyl citrate. The recycled PP composite material has the remarkable advantages that the recycled PP is used as a base material, so that the environment is protected and the cost is low; through compounding of modified magnesium hydroxide, modified chitosan and the like, the flame-retardant antibacterial coating has excellent flame-retardant and antibacterial properties; the preparation process is clear and controllable, the raw material compatibility is scientific, the compatibility of the components is good, the product performance is stable, and the application prospect is wide.

The invention relates to the technical field of bio-based degradable high polymer materials, in particular to a bio-based degradable pearl wool microcellular foaming material. The composite material is prepared from the following components in parts by mass: 70-85 parts of a bio-based polyester resin composite system of polylactic acid and poly (terephthalic acid)-butylene adipate (in a mass ratio of 60: 40-75: 25), 10-20 parts of bagasse microfibers modified by a silane coupling agent, 1.5-4 parts of a composite nucleating agent of flaky talcum powder and spherical nano calcium carbonate (in a mass ratio of 1.5: 1-2.5: 1), the bio-based plasticizer is prepared by compounding epoxidized soybean oil and tributyl citrate, the montmorillonite degradation accelerant is loaded with iron and cobalt ions (the molar ratio is 3: 1-5: 1), and the mixed foaming agent is prepared from 5-12 parts of supercritical carbon dioxide and nitrogen (the volume ratio is 60%-85%). A bio-based polyester composite system of polylactic acid and PBAT is adopted, silane modified bagasse microfibers are matched, montmorillonite loaded with iron and cobalt ions serves as a degradation accelerant, a bio-based plasticizer and the like are combined, and the composite material is prepared through a twin-screw extrusion melt blending and supercritical fluid foaming technology.

The invention provides a sealing ring for a soluble bridge plug and a preparation method thereof, and belongs to the technical field of sealing materials, the preparation method comprises the following preparation steps: S1, dispersing hollow mesoporous silica in absolute ethyl alcohol, adding ZnCl2, heating, performing ultrasonic treatment, and performing vacuum drying to obtain ZnCl2-loaded HMSN; s2, adding 3-carboxyphenylboronic acid and glucan into a PBS (Phosphate Buffer Solution), reacting to obtain a PBA-Dex compound solution, then adding HMSN loaded with ZnCl2, stirring, centrifuging, washing and drying to obtain an HMSN-ZnCl2 composite material; s3, polyglycolic acid, silane modified glass fibers, bisoxazoline and acetyl tributyl citrate are mixed and internally mixed, then the HMSN-ZnCl2 composite material is added for mixing, injection molding, annealing and curing, and a finished product is obtained. According to the prepared sealing ring for the soluble bridge plug, the strength can be remarkably improved, meanwhile, the dissolving speed of the sealing ring in the early stage is delayed, the sealing ring can keep high tensile strength for a long time after descending into a well, and the sealing ring can be rapidly dissolved in the later stage.

The invention belongs to the technical field of mineral separation, and particularly relates to an environment-friendly composite flotation agent and application, and the composite flotation agent comprises the following raw materials in percentage by mass: 36.0%-37.5% of oleic acid, 8%-9% of linoleic acid, 1%-2.5% of linolenic acid, 20%-22% of a surfactant, 0.5%-0.7% of an inhibitor, 1%-2% of tributyl citrate and the balance of a solvent. The prepared composite flotation agent is beneficial to flotation separation of gangue minerals and tungsten ores, has a good flotation effect on low-grade tungsten ores, and is green and environmentally friendly.

The invention belongs to the technical field of preparation of nail polish compositions, particularly relates to a bio-based perfume nail polish composition and a preparation method thereof, and provides the following scheme aiming at the problems of high emission of volatile organic compounds (VOC), serious environmental pollution, potential health risks and the like due to the fact that existing nail polish usually uses a petroleum-based solvent and synthetic resin. The invention relates to a sugarcane-fermented ethanol beverage which comprises the following raw materials in parts by weight: 30-60 parts of sugarcane-fermented ethanol, according to the invention, sugarcane fermented ethanol, acetyl tributyl citrate, diethyl lauroyl glutamate, zein, konjac glucomannan, abietic acid methacrylate, neroli oil, cananga odorata oil, sodium alginate, chitosan, mineral mica, alkannin, panthenol, organic bentonite, carnauba wax nanoparticles and a photoinitiator are used; the pollution to the environment and the dependence on non-renewable resources are effectively reduced, and the potential harm to human health is reduced.

The application discloses a kind of encapsulation carrier plate and thermoplastic polyester elastomer material and preparation method, it is related to polymer material technical field.The thermoplastic polyester elastomer material includes following weight parts raw materials: 25-40 parts modified dimethyl terephthalate, 15-25 parts 1, 4-butanediol, 0.07-0.25 parts titanium acid tetraisopropyl ester, 0.25-0.5 parts antioxidant 168, 12-20 parts polytetrahydrofuran ether glycol, 8-15 parts modified 1, 4-butanediol, 1-3 parts isophorone diisocyanate, 5-10 parts basalt fiber, 2-6 parts flake graphite, 2-5 parts tributyl citrate, 1-4 parts methyl phenyl silicone resin, 2-3 parts polyolefin elastomer, 0.2-0.8 parts ultraviolet absorber UV-1577.The thermoplastic polyester elastomer uses modified dimethyl terephthalate and modified 1, 4-butanediol to improve performance, basalt fiber and flake graphite are treated by silanization to enhance compatibility, stepwise temperature control initiation process optimizes grafting uniformity, by double prepolymer melt blending, mechanical properties and stability are considered, the service life is extended by adding antioxidant and ultraviolet absorber.

The present application relates to the technical field of feed additive, and discloses a lactation-promoting functional feed for lactating sows containing high-efficiency plant lactogenic factors, which is made of the following raw materials: sodium-based montmorillonite, fenugreek extract, motherwort extract, ion intensity regulator, lysophosphatidylcholine, tributyl citrate and high-purity silicon dioxide, and is prepared through the following steps: mixing and drying sodium-based montmorillonite with the ion intensity regulator to prepare a regulation carrier; adding fenugreek and motherwort extract and mixing them by strong shearing to form an active core; atomizing and spraying a mixture of lysophosphatidylcholine and tributyl citrate on the surface of the core to form a functional layer; and finally adding high-purity silicon dioxide and mixing uniformly to obtain the feed. Through the construction of the structure with ion-pretreated montmorillonite as the core and the functional layer as the shell, the present application realizes the protection, sustained release and efficient absorption of the active ingredients, and improves the bioavailability.

The invention relates to the technical field of composite materials, and discloses a wide-angle field-of-view AR imaging nano composite material and a preparation process thereof, the wide-angle field-of-view AR imaging nano composite material comprises the following raw materials by weight: 60-80 parts of an organic polymer matrix, 10-30 parts of nano optical functional particles, and 5-15 parts of a plasticizer; the nano optical functional particle is prepared from a core functional raw material and a structure regulating agent, the plasticizer is dibutyl phthalate or tributyl citrate, and the organic polymer matrix is a mixture of one or more of polymethyl methacrylate, polystyrene or polyurethane. Through compounding of the organic polymer matrix and the specific nano optical functional particles, collaborative optimization of optical performance of the composite material in a wide-angle field-of-view AR imaging scene is realized, and core defects of imaging picture distortion and field-of-view angle limitation are overcome, so that the actual demand of AR equipment for large-range clear imaging is met.

The invention discloses a preparation method of an efficient fireproof and flame-retardant coating for wires and cables, and belongs to the technical field of wire and cable coatings. Aiming at the defects of low flame-retardant efficiency, poor high-temperature-resistant stability and insufficient environmental protection property of the existing coating, performance breakthrough is realized through an innovative formula and process design. The flame-retardant coating comprises the following components in parts by weight: 30-40 parts of acrylate resin, 20-30 parts of a composite flame-retardant system (compounded by modified magnesium hydroxide, ammonium polyphosphate and pentaerythritol phosphate according to a ratio of 5: 3: 2), 1.5-3 parts of a high-temperature-resistant modified component, 4-6 parts of an environment-friendly coalescing agent (compounded by polyethylene glycol monomethyl ether and tributyl citrate according to a ratio of 1: 1), other auxiliaries and deionized water. The preparation method comprises the steps of raw material pretreatment, stepped stirring and mixing, and grinding by a sand mill. The flame-retardant grade of the prepared coating reaches grade A, the coating is free of cracking and falling at the high temperature of 1300 DEG C, VOC is smaller than or equal to 10 g / L, no heavy metal is detected, meanwhile, the adhesive force reaches grade 1, the flexibility is larger than or equal to 0.8 mm, the problem that multiple properties are difficult to consider in the prior art is solved, and the coating is suitable for coating of various high-low voltage electric wires and cables.

The invention relates to the field of color master batch preparation, and particularly discloses a high-coloring color master batch for automobile synthetic leather and a preparation process of the high-coloring color master batch. Comprising the following raw materials in parts by mass: 40 to 50 parts of polyester type polyurethane prepolymer, 50 to 60 parts of pigment, 5 to 7 parts of acetyl tributyl citrate, 2 to 5 parts of epoxidized soybean oil, 3 to 8 parts of hyperbranched polyamide and 3.5 to 5.5 parts of MOCA. The pigment comprises one or more of an anthraquinone pigment and a derivative thereof, an azo pigment and a derivative thereof, and a bisazo pigment and a derivative thereof; the pigment is prepared from a DES (Diethyl Sulfonate)-bisazo eutectic compound and anthraquinone-bisazo supramolecular assembly powder. The high-coloring color master batch for the automobile synthetic leather disclosed by the invention has relatively excellent coloring ability.

The invention relates to the technical field of high polymer materials, and discloses a fully biodegradable mulching film for corn for seed production and a preparation method thereof, the fully biodegradable mulching film comprises the following components by weight: 65-75 parts of polylactic acid, 4-6 parts of modified polyester, 8-12 parts of biomass charcoal, 2-3 parts of acetyl tributyl citrate, and 0.4-0.5 part of an antioxidant 1010; the preparation method of the modified polyester comprises the following steps: synthesizing an intermediate 1 by taking 2-hydroxyadipaldehyde and hydroxylamine hydrochloride as raw materials, and then esterifying, oxidizing and curing to obtain the modified polyester. The full-biodegradable mulching film for the corn for seed production has relatively good tensile property and degradable effect.

This invention discloses an antistatic and high-toughness plastic packaging film and its preparation method, belonging to the field of polymer composite materials technology. The packaging film uses linear low-density polyethylene as the matrix resin, compounded with carbon nanotubes modified by methanesulfonic acid activation, silane coupling agent KH-570 grafting, and PEG-PLA block copolymer, supplemented with antioxidants, lubricants, and tributyl citrate. In the preparation process, the carbon nanotubes are first mildly acidified and activated, and then modified with multiple components. The raw materials are then premixed, extruded using a twin-screw extruder, and formed using casting stretching or blown film processes. This invention solves the problem of carbon nanotube agglomeration through composite modification, improving its interfacial bonding with the matrix, and reducing the surface resistivity of the resulting packaging film to 4×10⁻⁶. 7 With an Ω·cm content, it combines excellent antistatic properties with high toughness, overcoming the shortcomings of traditional carbon nanotube modified packaging films where antistatic and mechanical properties are difficult to coordinate, and is suitable for packaging fields such as food and electronic components.

This invention belongs to the technical field of oil and gas extraction, and relates to a high-deformation temporary plugging agent and its preparation method, specifically including the following steps: Step 1, preparing modified cellulose; Step 2, preparing PLA / ZnO composite; Step 3, placing TPU, tributyl citrate, modified cellulose, PLA / ZnO composite, four-arm PEG and antioxidant into a processing device in batches according to a certain ratio; Step 4, performing electron irradiation treatment to obtain the high-deformation temporary plugging agent; This invention achieves both high deformation and high strength through a multi-level synergistic design of a rigid cellulose skeleton + flexible TPU matrix + PLA microcrystalline reinforcement points, and solves the particle shedding problem through three key technologies: supercritical CO2 foaming embedding, staged twin-screw mixing, and simultaneous electron irradiation crosslinking; and establishes a green temporary plugging system by replacing toxic chemicals with bio-based plasticizers and irradiation crosslinking.