1024 results about "Octene" patented technology

The invention discloses a high-weather-resistance TPO waterproof coiled material and a preparation method thereof, and belongs to the technical field of high polymer materials. The waterproof coiled material is prepared from the following raw materials: high-density polyethylene, low-density polyethylene, an ethylene-octylene copolymer, ethylene propylene diene monomer, polypropylene, maleic anhydride grafted polyethylene, polyethylene wax, calcium carbonate powder, an antioxidant 1010, modified lignin, modified fumed silica and a modified nano inorganic composite light stabilizer. The tensile strength of the obtained waterproof coiled material is 20.3-21.3 MPa, the elongation at break is 602-621%, the tear strength is 69-77 N / mm, the low-temperature bending property is no crack at-40 DEG C, and the waterproof coiled material is very excellent in heat aging resistance, light aging resistance and artificial climate accelerated aging resistance.

The invention relates to the field of matt films, in particular to a scratch-resistant BOPP (biaxially-oriented polypropylene) matt film and a preparation method thereof. The scratch-resistant BOPP matt film comprises an upper surface matt layer, a middle core layer and a lower surface layer which are sequentially arranged, the upper surface matting layer comprises a matting master batch; the matting master batch comprises 28 to 50 weight percent of co-polypropylene, 8 to 14 weight percent of ethylene-octylene block copolymer, 6 to 10 weight percent of micro-crosslinked polypropylene and 30 to 50 weight percent of high-density polyethylene; the ethylene-octylene segmented copolymer comprises a hard segment with low octylene content and high crystallinity, and an amorphous soft segment with high octylene content; the middle core layer comprises homo-polypropylene; the lower surface layer comprises a smooth surface layer or an extinction layer. By utilizing the synergistic effect of the ethylene-octylene block copolymer and the micro-crosslinked polypropylene, the compressive deformation performance, the impact strength, the tensile strength and the yield strength of the co-polypropylene are improved, the indentation of a film surface in a scraping pressure applying stage and the scratches and damages generated in a sliding stage are reduced, the scratch resistance of the upper surface matting layer is improved, and the matting effect is ensured.

The invention belongs to the technical field of shoe materials, and particularly relates to a high-elasticity shoe material and a preparation process thereof. The high-elasticity shoe material comprises the following components in parts by weight: 70-80 parts of thermoplastic polyurethane elastomer; 10 to 20 parts of an ethylene-vinyl acetate copolymer; 15 to 20 parts of an ethylene-octylene copolymer; 10 to 15 parts of nitrile rubber; 8-10 parts of a composite antibacterial agent; 2-4 parts of a foaming agent; 0.6-1 part of zinc oxide; 1-2 parts of an antioxidant; 10-15 parts of a composite filler; the components are subjected to a blending foaming process to prepare the shoe material which is moderate in hardness, light in weight and high in elasticity, and the prepared shoe material also has good strength, wear resistance, yellowing resistance, antibacterial property and flame retardance.

The invention provides ceramic polyolefin as well as a preparation method and application thereof, and belongs to the technical field of functional materials. The ceramic polyolefin provided by the invention is prepared from the following raw materials in parts by mass: 40-60 parts of polyolefin resin which is a mixture of polyethylene and an ethylene-octylene copolymer; 40-60 parts of porcelainized powder, wherein the porcelainized powder is a mixture of silicon dioxide, boric oxide, zinc oxide and magnesium oxide; 20-40 parts of low-melting-point glass powder, wherein the melting point of the low-melting-point glass powder is 400-600 DEG C; 15 to 60 parts of silicate filler; and 0.1 to 3 parts of an antioxidant. The ceramic polyolefin provided by the invention has excellent tensile strength and elongation at break, and a ceramic shell is complete.

The invention belongs to the technical field of ethylene oligomerization catalysis, and discloses a catalytic system for ethylene selective oligomerization and a preparation method and application thereof, and the catalytic system comprises a carbon bridge bidentate phosphine chromium catalyst, an organic boron auxiliary agent and an aluminum-containing activator in a molar ratio of 1: (1-50): (100-1500). The carbon-chromium catalyst is prepared by the following steps: reacting CrCl3 (THF) 3, a ligand and CH2Cl2 under stirring, filtering, and carrying out post-treatment to obtain the catalyst, the catalyst and the aluminum-containing activating agent are uniformly mixed, and then the organic boron auxiliary agent is added and stirred. The catalyst system constructed by the carbon bridge bidentate phosphine chromium catalyst, the organic boron auxiliary agent and the aluminum-containing activating agent realizes ethylene selective oligomerization. The catalytic system can realize high-efficiency and high-selectivity preparation of 1-hexene and 1-octene under the condition that aluminoxane co-catalysts such as MAO and MMAO are not adopted, the catalytic activity is high, the reaction initiation is rapid, the operation is stable, and the repeatability is good.

The preparation method comprises the following steps: firstly, uniformly stirring and mixing synthetic fluorophlogopite, silica, polymethylsilsesquioxane, boron nitride, bismuth oxychloride, zinc stearate, aluminum starch octenylsuccinate, mica, aluminum oxide, hydrolyzed sodium hyaluronate and toner in a stirring homogenizer; then uniformly mixing polydimethylsiloxane, octyldodecanol stearoyloxy stearate, isoamyl laurate, diisostearyl malate, phenoxyethanol and caprylyl glycol, and heating to 45 + / -5 DEG C; pouring the mixture into an oil spraying barrel of a stirring homogenizer, uniformly stirring and mixing while spraying oil, crushing, then carrying out airflow crushing, sieving the material, putting the sieved material into a mold plate, and carrying out compression molding, so as to obtain a pressed powder block; and putting the mixture into a packing material powder box to obtain the make-up fixing and brightening pressed powder. The pressed powder is prepared by adding an airflow crushing process, the particle size of the powder is smaller, the powder is dispersed more uniformly, the powder is pressed into the solid pressed powder, and the phenomenon of powder flying is well reduced while makeup fixing and brightening effects are achieved.

The invention discloses an anti-shrinkage light, soft and elastic sole foaming material and a preparation method thereof, and belongs to the technical field of footwear products. The light, soft and elastic sole foaming material is formed by chemically foaming an EVA (Ethylene Vinyl Acetate) composite raw material, the EVA composite raw material is prepared from 50 to 70 parts of EVA, 20 to 40 parts of olefin thermoplastic elastomer, 10 to 20 parts of styrene elastomer, 1.5 to 3 parts of maleic anhydride grafted ethylene-octylene copolymer compatilizer, 0.4 to 0.8 part of peroxide cross-linking agent, 3 to 4 parts of foaming agent, 1 to 1.5 parts of zinc oxide, 1 to 1.5 parts of polyethylene wax substance and 0.5 to 1.5 parts of poly (butylene succinate). 0.3 to 1 part of polyamide 12 microspheres and 2 to 3 parts of nano montmorillonite. The foaming material can resist shrinkage when being used as a shoe sole part, and has good rebound performance and the like, so that the high-quality requirement of sneakers, the mass production stability and the like are met.

The invention relates to the technical field of cable coating materials, and particularly discloses a B1-grade cable material as well as a preparation method and application thereof. The cable material provided by the invention comprises matrix resin, a compatilizer, a flame retardant, a lubricant, an antioxidant, a smoke suppression charring agent, nano silicon dioxide and a silane coupling agent, the matrix resin is a mixture of linear low density polyethylene resin, an ethylene-octylene copolymer, metallocene polyethylene and an ethylene-vinyl acetate copolymer; the flame retardant is a mixture of magnesium hydroxide, aluminum hydroxide and hydrotalcite; the smoke suppression charring agent is a mixture of hydrous magnesium silicate and modified montmorillonite; the silane coupling agent is a mixture of vinyl silane and diamino silane. According to the cable material provided by the invention, the specific matrix resin, the flame retardant, the smoke suppression charring agent and the silane coupling agent are combined with auxiliaries such as the compatilizer, the lubricant, the antioxidant and the nano silicon dioxide to serve as raw materials, so that the flame-retardant effect of the B1-grade cable material is greatly improved.

The invention provides a method for reducing polymer adhesion in ethylene oligomerization. According to the method, a double-kettle series polymerization process is adopted, a phosphine-nitrogen ligand, a chromium metal compound and a cocatalyst are added into a first reaction kettle, a nucleating agent is added into a second reaction kettle, the reaction is carried out in the first reaction kettle in the early stage and transferred to the second reaction kettle in the later stage for continuous reaction, oligomer is converted into high polymer through the nucleating agent, and the high polymer is stored in a particle form; therefore, the phenomenon that the oligomer winds the stirring paddle is reduced or avoided, the aggregation of the polymer in the reaction kettle is greatly reduced, and the operation time of the device is prolonged. The catalytic system can catalyze the ethylene oligomerization reaction with high activity, the catalytic activity reaches up to 10 * 10 < 6 > g product / (molCr.h), the overall selectivity of 1-hexene and 1-octene with high added values can reach 90% or above, and the phenomenon that a polymer is hung on a stirring paddle is greatly reduced.

The invention belongs to the technical field of sole materials, and particularly discloses an anti-skid sole material and a preparation method thereof. The anti-skid sole material comprises a sole body, the sole body comprises an anti-skid layer and a rubber layer, and the anti-skid layer comprises the following raw material components in parts by weight; comprising 50-55 parts of polyurethane, 16-20 parts of a silicon carbide composite material, 10-14 parts of polyethylene composite fibers, 4-8 parts of a maleic anhydride grafted polyethylene octylene co-elastomer, 3-5 parts of a silane coupling agent, 1-2 parts of an antioxidant and 0.5-0.8 part of a lubricant. The anti-skid sole material prepared in the invention has excellent mechanical strength, skid resistance and wear resistance, and can provide protection for feet and prolong the service life of soles.

The invention belongs to the technical field of cables, and particularly relates to a high-voltage cable for a new energy vehicle, which comprises a conductor and an insulating layer, the insulating layer material is prepared from the following raw materials in parts by mass: 40 to 50 parts of polyethylene, 5 to 10 parts of beta-caryophyllene-maleic anhydride-polyethylene copolymer, 10 to 15 parts of ethylene-octene copolymer, 1 to 4 parts of composite cross-linking agent, 2 to 3 parts of cellulose nanofiber, 1 to 2 parts of kaurene, 5 to 10 parts of flame retardant, 0.5 to 1 part of flexibilizer and 0.5 to 1 part of lubricant. The prepared cable has excellent thermal stability, mechanical strength and insulating property, the service life of the cable is effectively prolonged, and the use stability of the cable is effectively improved.

The invention relates to a glass fiber reinforced PET composite material and a preparation method thereof, and belongs to the technical field of polymer composite materials. The composite material is prepared from the following raw materials in parts by weight: 100 parts of PET (Polyethylene Terephthalate) master batch, 32 to 45 parts of modified glass fiber, 0.19 to 0.24 part of nucleating agent, 1.6 to 2 parts of lubricating agent and 0.12 to 0.15 part of antioxidant, the modified glass fiber is prepared by grafting sulfydryl on the surface of glass fiber by KH-580 to prepare sulfhydrylated glass fiber, reacting tert-butyldimethylamine with 2-bromoethanol to form hydroxyl-terminated quaternary ammonium salt, substituting with octylene trichlorosilane to form a modifier, and adding alkenyl containing alkyl long chains introduced into the modifier molecule with the sulfydryl grafted on the surface to prepare the modified glass fiber. Introducing modifier molecules to the surfaces of the glass fibers; and the modified glass fiber improves the strength of the composite material and keeps high impact resistance.

The invention provides a coated paper for packaging and a preparation method thereof. The coated paper comprises the following raw material components: 20-25 parts of modified corn starch citrate, 75-80 parts of alginic acid, 20-25 parts of polypropylene carbonate, 20-25 parts of polylactic acid, 1-3 parts of glycerol, 1-3 parts of polyhydroxystearic acid and 2-2.5 parts of carboxymethyl cellulose. The preparation method of the modified corn starch citrate comprises the following steps: in a reaction kettle, preparing a citric acid solution with a mass percentage of 0.8-1.2% by using distilled water, and heating the solution to 35-38 DEG C; starting stirring; adding corn starch to the citric acid solution while stirring, and reacting for 2.5-3 hours; then, adjusting the pH value of the solution in the reaction kettle to be alkaline with sodium hydroxide, cooling the solution to 26-28 DEG C, adding octenyl succinic anhydride and sodium alginate, and continuing stirring and reacting for 30-50 minutes; after the reaction, standing and filtering; drying and grinding the filtered solid to 80-100 meshes. The coated paper prepared by the invention is environmentally friendly, safe and easily degradable.

The invention relates to the technical field of wire and cable preparation, and discloses a flame-retardant anti-aging wire and cable and a preparation method thereof. The preparation method of the flame-retardant anti-aging wire and cable comprises the following steps: reacting a ketal compound with thionyl chloride, and then reacting with ricinoleic acid ester to obtain an intermediate product; reacting the thiazolopyridyl compound with the intermediate product to obtain a bio-based plasticizer; modifying the bio-based plasticizer to obtain a modified bio-based plasticizer; mixing polyvinyl chloride resin, linear low-density polyethylene, an ethylene-octylene copolymer, a flame-retardant anti-aging agent, a modified bio-based plasticizer and other components to obtain a sheath layer mixed master batch, and extruding to obtain a sheath layer; and after coating the conductor with the sheath layer, cooling, rolling and packaging to obtain the flame-retardant anti-aging wire and cable. The flame-retardant anti-aging wire and cable sheath layer has good flame retardance, aging resistance and mechanical property, and plays a good role in protecting wires and cables.

Disclosed in the present invention are a 90°C thermoplastic halogen-free low-smoke flame-retardant polyolefin sheath material and a preparation method therefor. The sheath material is prepared from raw materials comprising the following components in parts by mass: 20-40 parts of an ethylene-vinyl acetate copolymer, 20-40 parts of a linear low-density polyethylene, 2-10 parts of a high-density polyethylene, 20-40 parts of a metallocene ethylene-octylene copolymer, 10-15 parts of a maleic-anhydride-grafted metallocene linear low-density polyethylene copolymer, 58-73 parts of aluminum hydroxide, 20-25 parts of modified magnesium hydroxide, 64-84 parts of a synergistic flame retardant, 2-3 parts of a coupling agent, 1-4 parts of a lubricant, 1-3 parts of an antioxidant, and 2-7 parts of a coloring agent, wherein the synergistic flame retardant comprises lithium oxide. A matrix resin has low-temperature performance, mechanical properties and cracking resistance. With regard to flame retardance, a large amount of the synergistic flame retardant, i.e., lithium oxide, is added to a traditional magnesium-aluminum compound flame-retardant system, and therefore an off-white hard shell can be formed during a combustion process while low heat release is ensured, thereby ensuring no dripping during the combustion process.

The disclosure provides a catalyst reaction mixture including a ligand having a backbone with at least one phosphorus atom and at least one nitrogen atom, a chromium compound, and a solvent mixture including decalin and at least one additional solvent, wherein the solvent mixture comprises decalin in an amount of less than 20 wt. % and, optionally, perhydroindane in an amount of 50 wt. % or less, based on the total weight of the solvent mixture. A method of forming a linear alpha olefin through ethylene oligomerization is also provided, the method including contacting ethylene gas with a reaction mixture in a reactor, the reaction mixture including the catalyst reaction mixture of the disclosure; and withdrawing a product stream including at least one linear alpha olefin, such as 1-butene, 1-hexene, or 1-octene, from the reactor.

The invention discloses a preparation method of 6-methyl-5-octylene-2-ketone, and belongs to the technical field of organic synthesis. According to the method, 5-chloro-2-pentanone is taken as a starting raw material, carbonyl protection is carried out with trimethyl orthoformate under the catalysis of acid, then a Grignard reagent is prepared, condensation dehydration is carried out on the Grignard reagent and 2-butanone, deprotection is carried out under the acidic condition, and 6-methyl-5-octylene-2-ketone is prepared with high yield, the raw materials are easy to obtain and low in price, and the reaction can be catalyzed by using a conventional catalyst.

The invention discloses an antistatic EVA foam material and a preparation method thereof, and belongs to the technical field of polymer composite materials. The preparation method comprises the following steps: weighing 90-100 parts of EVA, 15-25 parts of an ethylene-octylene copolymer, 10-18 parts of modified graphene, 2-4 parts of a foaming agent, 0.5-1 part of a lubricant, 0.5-1 part of zinc oxide and 0.1-0.5 part of a cross-linking agent, mixing in an internal mixer, mixing in an open mill, pressing the materials into sheets, finally putting the sheets into a preheated plate vulcanizing machine mold cavity, and carrying out mold pressing foaming to obtain the antistatic EVA foaming material. The modified graphene contains a lipophilic long carbon chain and a benzene ring, so that the modified graphene has good compatibility with the remaining raw materials, and the modified graphene containing the graphene, the hindered phenol structure and the quaternary ammonium salt structure can be highly dispersed in the EVA foaming material and fully plays a role, so that the EVA foaming material disclosed by the invention has efficient and lasting antistatic performance, antibacterial performance and anti-aging performance.

The invention relates to the technical field of materials, and discloses a wear-resistant high-toughness polypropylene material and a preparation method thereof.The polypropylene material is prepared by taking polypropylene as a base material and taking a compatibilizer, an ethylene-octylene block copolymer, a mullite functional agent and the like as auxiliary materials through mixing and melt extrusion processes. Wherein the mullite functional agent is prepared by modifying the surface of mullite with a branched macromolecular polymer connected by an ester bond, and the existence of the macromolecular polymer can improve the compatibility between the mullite and a polypropylene matrix, so that the mullite can efficiently exert the self-enhancement effect, the stress deformation resistance of the material is improved, and the mechanical property of the material is improved. And the material has high-strength and high-toughness effects. Besides, the macromolecular polymer can be cross-linked with a polypropylene molecular chain, so that the structural density of the material is improved, the material has higher hardness, the grinding crack width of the material on a membrane material surface is reduced, and the wear resistance of the material is improved.

The invention relates to the technical field of waterproof materials, and particularly discloses a self-adhesive polymer modified asphalt waterproof material as well as a preparation method and application thereof. The self-adhesive polymer modified asphalt waterproof material is prepared from the following raw materials in parts by mass: 45 to 55 parts of asphalt, 8 to 12 parts of softening oil, 10 to 15 parts of modifier, 8 to 12 parts of desulfurized rubber and 10 to 15 parts of filler, the modifier comprises the following raw materials: an ethylene-octylene copolymer, butadiene styrene rubber, coumarone resin and a functional modified material; the functional modified material is prepared from illite and phthalic acid ester. Through the design of the modifier and the proportion design of the raw material components, the synergistic interaction effect of the raw materials is fully played, the comprehensive performance of the waterproof material is improved, and the self-adhesive polymer modified asphalt waterproof coiled material prepared from the waterproof material has excellent high and low temperature properties, persistent adhesivity, peel strength, aging resistance and water resistance.

The invention discloses a high-selectivity catalyst. The catalyst is prepared from the following raw materials: a phosphine-containing ligand, a transition metal compound and an organic solvent, the structural formula of the phosphine-containing ligand is shown in the following formula: # imgabs0 #, wherein n is an integer in the range of 2-10; r1, R2 and R3 are the same or different, and R1, R2 and R3 are selected from one or a combination of more of C2-C9 alkyl, aryl, substituted alkyl and substituted aryl. The chromium catalyst containing the phosphorus ligand and the organic aluminum compound are adopted as a double-catalysis system for ethylene polymerization, ethylene oligomerization can be achieved, high selectivity to 1-hexene and 1-octene is achieved, and the catalytic activity is high. A double-center catalytic system is adopted, on the basis of ensuring catalytic activity, generation of solid polymers is reduced, scaling of equipment and pipelines in the production process is avoided, and long-term continuous production is achieved.

The invention relates to the technical field of polymer composite materials, in particular to a carbon fiber reinforced nylon 66 / polyphenylene sulfide composite material and a preparation method thereof.The carbon fiber reinforced nylon 66 / polyphenylene sulfide composite material is prepared from, by weight, 40-55 parts of nylon 66, 30-45 parts of polyphenylene sulfide, 15-30 parts of carbon fibers, 5-6 parts of compatilizer, 0.8-1.2 parts of antioxidant and 3-4 parts of flexibilizer, the flexibilizer is ethylene-octylene copolymer grafted maleic anhydride, the grafting rate is 1.2-1.5%, the flexibilizer is ethylene-octylene copolymer grafted maleic anhydride, the grafting rate is 0.8-1.0%, and the antioxidant is a mixture of an antioxidant 1010 and an antioxidant 168 according to a mass ratio of 1: 1. The composite material prepared by the invention is suitable for medium-high temperature scenes, not only solves the problems of insufficient high temperature resistance and poor mechanical properties of traditional materials, but also has good processability and environmental tolerance.

The invention relates to the technical field of regenerated polyethylene materials, and particularly discloses a high-flame-retardant regenerated polyethylene plastic and a preparation process thereof. Comprising the following steps: S1, taking maleic anhydride polyamidoamine, adding water and ethanol, uniformly stirring, adding 1-octene, a vinyl silane coupling agent and benzoyl peroxide, stirring for reaction, and removing a solvent to obtain a modifier; s2, adding carbon black into water and ethanol, uniformly stirring, heating, adding a modifier, and performing reflux reaction to obtain modified carbon black; s3, adding double-bond phosphate and sulfydryl modified benzene diboron into tetrahydrofuran, uniformly stirring, adding high-density polyethylene and a photoinitiator, mixing, carrying out ultraviolet irradiation, filtering, taking a solid, and drying, so as to obtain modified polyethylene; s4, taking regenerated high-density polyethylene, polypropylene, modified polyethylene, calcium stearate, modified carbon black, an antioxidant, a diisocyanate cross-linking agent, dicumyl peroxide and toner, uniformly stirring, and performing melt extrusion to obtain the high-flame-retardant regenerated polyethylene plastic.

The invention discloses a modified PPS fiber filter material and a preparation method thereof, and belongs to the technical field of filter materials. Comprising the following raw materials in parts by weight: 60-80 parts of PPS resin, 6-18 parts of modified boron carbide and 10-20 parts of an ethylene-octylene copolymer. The filter material prepared by the invention takes polyphenylene sulfide as a matrix, so that the filter material is endowed with excellent strength, high temperature resistance and corrosion resistance; wherein the ethylene-octylene copolymer can improve the toughness of the filter material; wherein the modified boron carbide is good in compatibility with a matrix, the oxidation resistance, the heat resistance and a certain degree of mechanical properties of the filter material can be remarkably enhanced, and the properties are long and stable; therefore, the filter material prepared by the invention is excellent in corrosion resistance, also has stable and efficient oxidation resistance, heat resistance and mechanical properties, and has important application value in the technical field of filter materials.

The invention relates to a starch type impregnating compound and a preparation method and application thereof, the impregnating compound comprises an active component and water, the active component comprises the following raw materials in parts by weight: 45-65 parts of a starch-based film-forming agent, 5-10 parts of a plasticizer, 15-20 parts of a lubricant, 1-2.5 parts of an emulsifier, 5-8 parts of a coupling agent, 1-2.5 parts of a softening agent, 0.5-1.5 parts of a preservative and 0.02-0.05 part of a defoaming agent; wherein the starch-based film-forming agent is a composition of potato oxidized hydroxypropyl starch, starch octenyl succinate and modified starch in a mass ratio of 1: (1.1-1.5): (0.5-0.8); the lubricant is a composition of carnauba wax and hydrogenated soybean oil. The impregnating compound disclosed by the invention can effectively improve the wear resistance of low-twist yarns, reduce hairiness and enhance bundling property and weaving performance, and can be used for preparing glass fiber spinning spun yarns.

The application provides a preparation method of an octene aldehyde liquid-phase hydrogenation catalyst, and steps of the method comprise the following: (1) preparing a salt solution containing nickel ions, copper ions and aluminum ions, heating to 40-80 DEG C, adding a basic precipitator to react, and aging after the reaction is completed; (2) uniformly mixing the precipitate obtained after aging in step (1) with silica sol to obtain slurry; (3) washing and filtering the slurry, then adding alkali metal carbonate powder and boron nitride solid, uniformly mixing, and then shaping, drying and calcining to obtain the octene aldehyde liquid-phase hydrogenation catalyst. The preparation method is simple, green, environmentally friendly and easy to industrialize, the conversion rate and selectivity of the obtained octene aldehyde liquid-phase hydrogenation catalyst are high, and the catalyst is stable in performance and durable.

The invention discloses a silane self-crosslinking polyethylene overhead insulation material for a cable and a preparation method. The insulating material comprises a polyethylene base material, a silane coupling agent, a catalyst, an antioxidant, a nanoscale reinforcing filler, a core-shell structure filler and nano montmorillonite. The polyethylene base material is a blend of polyethylene with different densities and can give consideration to rigidity and toughness; the nanoscale reinforcing filler is nano calcium carbonate modified by silane; the core-shell structure filler takes nano calcium carbonate as a core and an ethylene-octylene copolymer as a shell, so that the processing fluidity can be improved, and the filler agglomeration can be avoided; the nano montmorillonite can improve the aging resistance and the electrical insulation strength. The preparation method comprises the steps of nano filler pretreatment, nano montmorillonite modification, polyethylene base material blending, component mixing, crosslinking and post-treatment, through the pretreatment, modification, optimized mixing and crosslinking processes, it is ensured that all components are evenly dispersed, compatibility is improved, and the processing performance, the mechanical performance and the electrical performance of a finished product are balanced.

The invention discloses a preparation method of regenerated polyester fibers, and relates to the technical field of polyester fibers. According to the invention, (4-formylphenyl) phosphonic acid and 2-(3-nitroaniline) acethydrazide are combined to form a Schiff base structure, so that an antibacterial effect is realized, and meanwhile, phosphorus is introduced, so that flame-retardant and anti-wear effects are realized; then, a modified wear-resistant agent with a cross-linked network structure is formed with butanediol, so that the wear-resistant effect of the fiber is remarkably enhanced; then 1, 7-octadiene-3-alcohol and octylene trichlorosilane are copolymerized to prepare a modifier, a cross-linked network structure is formed, the wear-resistant effect is enhanced, meanwhile, flame combustion can be inhibited, and the flame-retardant effect is achieved; then, the hydroxylated carbon nanotubes attract a modifier to be subjected to in-situ polymerization on the surfaces of the hydroxylated carbon nanotubes to prepare modified carbon nanotubes, so that the dispersity of the carbon nanotubes is improved, fiber falling is prevented, and the wear resistance of the material is improved; finally, the regenerated polyester fibers, the modified wear-resistant agent and the composite modified carbon nanotubes are mixed, melted and spun, so that the wear-resistant, antibacterial and flame-retardant effects are achieved.

The invention discloses a PP (polypropylene) material with scratch resistance. The PP material is prepared from the following raw materials in parts by weight: 75-85 parts of a PP matrix; 3 to 8 parts of modified nano silicon dioxide; 5 to 10 parts of an ethylene-octylene copolymer (POE); 2-5 parts of an organosilicon elastomer; 1 to 4 parts of hyperbranched polymer (HBP); 1 to 3 parts of self-repairing microcapsules; 2-5 parts of nano calcium carbonate; 0.3 to 0.8 part of an antioxidant; and 0.5-2 parts of a dispersant. Through the synergistic effect of the modified nano silicon dioxide, the nano calcium carbonate and the hyperbranched polymer (HBP), the surface hardness and the scratch resistance of the PP material are improved, the compatibility of the nano silicon dioxide and the nano calcium carbonate with a PP matrix is enhanced through modification treatment of the nano silicon dioxide and the nano calcium carbonate, and the mechanical property and the wear resistance of the material are improved.

The invention discloses a preparation method of a double embedding emulsion preparation / emulsion based on octenyl succinic acid cyclodextrin ester, and relates to an inclusion compound based on modified cyclodextrin and a stable Pickering emulsion system thereof. According to the method, the uniformity of the cyclodextrin modification substitution degree is improved through ultrasonic assistance, the embedding rate and the embedding stability of hydrophobic active ingredients can be improved, meanwhile, the Pickering emulsion is stabilized, preparation of the double-embedded emulsion preparation is achieved, and the stability and the packaging efficiency of an emulsion preparation packaging delivery system can be effectively improved through the method. The method comprises the following steps: 1, preparing octenyl succinic acid cyclodextrin ester; 2, preparing an OSA-beta-CD / phenolic compound clathrate compound; and 3, preparing the dual-embedding emulsion preparation / emulsion. The invention provides a preparation method of a double-embedding emulsion preparation / emulsion based on octenyl succinic acid cyclodextrin ester. The double-embedding emulsion preparation / emulsion can be applied to a double-embedding food functional component delivery system.