98 results about "Alkylphenol" patented technology

The invention discloses a pseudomonas synthetic flora and application thereof in prevention and treatment of apple continuous cropping obstacles, and belongs to the technical field of agricultural microorganisms. The synthetic flora is constructed from three strains of pseudomonas, i.e., alkylphenol pseudomonas, oleaginous pseudomonas and pseudomonas putida, and the biological preservation numbers of the three strains of pseudomonas are respectively as follows: alkylphenol pseudomonas S4, CGMCC (China General Microbiological Culture Collection Center) No.36078; the culture medium is characterized in that the culture medium is Pseudomonas oleovorans S38, and the culture medium is CGMCC (China General Microbiological Culture Collection Center) No.36079; pseudomonas putida S42, the preservation number of which is CGMCC (China General Microbiological Culture Collection Center) No.36080, is CGMCC No.36080. The synthetic flora has a relatively strong antagonistic effect on main pathogenic bacteria (fusarium oxysporum and fusarium solani) of apple continuous cropping obstacles, and the inhibition capability of the synthetic flora is remarkably superior to that of a single strain; field and pot experiment results show that the liquid bacterial fertilizer and the solid bacterial fertilizer of the synthetic flora can promote the growth of overground parts and underground parts of the continuous cropping apple trees; the number of harmful fungi in continuous cropping soil is obviously reduced; the root protecting enzyme activity is improved, and the MDA content is reduced; the rhizosphere micro-ecology of the continuous cropping apples is optimized, and the continuous cropping obstacles of the apples are remarkably relieved.

To provide a liquid spray head that has a low environmental impact, is acid-resistant, and is highly reliable. [Solution] A liquid spray head that sprays liquid from a nozzle comprises a first member, a second member, and a cured product of a one-component adhesive that adheres the first member and the second member, wherein the one-component adhesive comprises a bisphenol-free epoxy resin, a curing agent containing an aromatic amine polymer, and an alkylphenol, wherein the alkylphenol is (a) an alkylphenol having at least one ethyl group, or (b) an alkylphenol having 1 to 3 carbon atoms in the alkyl group and at least one methyl group and one isopropyl group.

The invention provides a high-flexibility tear-resistant epoxy structural adhesive as well as a preparation method and application thereof. The epoxy structural adhesive is prepared by mixing a component A and a component B, on the basis of the total weight of the component A, the component A comprises the following components in percentage by weight: 34-70% of modified epoxy resin, 5-30% of bisphenol A type epoxy resin, 2-6% of benzyl alcohol, 8-15% of an epoxy reactive diluent, 0.2-1.5% of a defoaming agent, 1-5% of a thixotropic agent, 5-40% of filler and 1-4% of epoxy color paste; on the basis of the total weight of the component B, the component B comprises the following components in percentage by weight: 55-75% of polyether amine, 5-15% of bisphenol A epoxy resin, 5-10% of benzyl alcohol and 10-20% of dodecylphenol. The mixing mass ratio of the component A to the component B is (3.7-7): 1. The modified epoxy resin and the bisphenol A epoxy resin are compounded, and an optimized curing system is combined, so that the flexibility and the tear resistance of the structural adhesive are remarkably improved while the high strength of the epoxy resin is maintained, and the structural adhesive is suitable for structural bonding in the fields of buildings, automobiles, electronics and the like.

To provide a liquid spray head having a cured adhesive product that has a low environmental impact, is fast-curing, and acid-resistant. [Solution] The liquid spray head is a liquid spray head that sprays liquid from a nozzle and comprises a first member, a second member, and a cured product of a two-component mixed adhesive that adheres the first member and the second member. The two-component mixed adhesive comprises liquid A, which contains a main component including an epoxy resin that does not contain bisphenol; liquid B, which contains at least one of 2,5-bis(aminomethyl)bicyclo[2.2.1]heptane and 2,6-bis(aminomethyl)bicyclo[2.2.1]heptane and an alkylphenol; and a polymer of an aromatic amine contained in liquid A or liquid B. The alkylphenol is (a) an alkylphenol having at least one ethyl group, or (b) an alkylphenol having 1 to 3 carbon atoms in the alkyl group and at least one methyl group and one isopropyl group.

This invention provides a phosphorus-free, multifunctional, environmentally friendly scouring agent, its preparation method, and its application, belonging to the field of textile printing and dyeing technology. The surfactants used in this invention (including 2-ethylhexanol alkyl glycoside, 2-propylheptanol alkyl glycoside, 2-propylheptanol xyloside, and isomeric tridecyl alcohol ether carboxylic acid) are all nonionic surfactants. The resulting phosphorus-free, multifunctional, environmentally friendly scouring agent is easily soluble in water, acid-resistant, resistant to high-concentration strong alkalis, hard water-resistant, low-foaming, and has strong penetrating power. It is widely applicable to cotton and its blended textile processes, achieving excellent whiteness and wicking effect in conventional annealing / scouring / bleaching processes. It contains no alkylphenol polyoxyethylene ethers or organophosphates, causing no environmental pollution and simplifying and making textile pretreatment processes more environmentally friendly.

This disclosure provides a method for preparing sulfidated alkylphenol salt products to achieve a high sulfidation ratio of sulfidated alkylphenol salt to unsulfidated alkylphenol salt / phenol in the context of neutralization and optional over-alkaliening additives. The sulfidated alkylphenol salt products are obtained by sulfidating alkylphenols with a sulfur chloride blend comprising about 40% to about 75% by weight of sulfur dichloride.

This invention belongs to the field of oil and gas well exploration and development technology, specifically relating to a high-temperature sealing thread grease for oil casing and its preparation method and application. The thread grease comprises the following components in parts by weight: 33-58 parts base grease, 10-40 parts magnetic fluid, 1-5 parts polyethylene glycol, 5-10 parts phosphate ester, 4-10 parts fumed silica, 3-18 parts graphite, 1-5 parts nano-molybdenum powder, 1-5 parts nano-copper powder, 6-12 parts zinc powder, 10-30 parts lead powder, 5-10 parts alkylphenol resin, 5-15 parts acrylic resin, 5-15 parts polytetrafluoroethylene, 10-18 parts diisocyanate, 10-18 parts polyurethane, 10-12 parts tetraethylene glycol dimethacrylate, and 6-11 parts nitrile rubber. This invention ensures good lubricity while maintaining excellent sealing performance under high-temperature conditions.

This invention proposes a lubricating oil composition for a four-stroke engine specifically designed for unmanned aerial vehicles (UAVs) and its preparation method. The lubricating oil composition for a four-stroke engine of this invention comprises the following components: (A) a nitrogen-containing organoboron compound; (B) an alkyl diphenylamine; (C) polyisobutylene succinimide; (D) sulfonates and / or sulfurized alkylphenol salts; (E) zinc dialkyl dithiophosphate; (F) dialkyl dithiocarbamate; (G) polymethyl methacrylate; and (H) a base oil in a major amount. The structure of the nitrogen-containing organoboron compound is shown in formula (I) and / or formula (II), with the definitions of each group provided in the specification. The lubricating oil composition for a four-stroke UAV engine of this invention exhibits excellent extreme pressure anti-wear, anti-oxidation, and detergency properties, effectively suppressing the increased wear caused by the high power-to-weight ratio and harsh lubrication conditions of four-stroke UAV engines.

This invention belongs to the field of packaging and printing materials, specifically relating to a high-temperature resistant water-based micro-crosslinked transfer coating. The raw materials for this high-temperature resistant water-based micro-crosslinked transfer coating consist of the following components: methacrylic acid, N-hydroxymethylacrylamide, butyl acrylate, methyl methacrylate, diallyl phthalate, 1,6-hexanediol diacrylate, tricyclodecanedimethylol diacrylate, trimethylolpropane triacrylate, di(trimethylolpropane)tetraacrylate, potassium persulfate, sodium bicarbonate, alkylphenol polyoxyethylene ether ammonium sulfate, nonylphenol polyoxyethylene ether, deionized water, ethanol, ammonia, wetting agent, defoamer, and film-forming agent. Its beneficial effects include a stable reaction process during the preparation of this high-temperature resistant water-based micro-crosslinked transfer coating, reducing the likelihood of slag formation or explosive polymerization; high gloss in the coating film; good adhesion to vacuum metallization; minimal fogging or whitening; high-temperature molding resistance up to 180℃; and easy peeling of PET film with a high yield.

This application relates to a pretreatment method for fluorinated resins and a method for detecting metal elements in fluorinated resins. The pretreatment method for fluorinated resins provided in this application involves mixing the fluorinated resin with a solution containing alkylphenol polyoxyethylene ether under stirring conditions to disperse the fluorinated resin and obtain a fluorinated resin slurry. This application solves the problem of PTFE powder floating on the liquid surface and having difficulty fully contacting the acid solution by adding an alkylphenol polyoxyethylene emulsifier and high-speed stirring to disperse PTFE powder in deionized water to form a slurry. Using the method of this application, unlike traditional ashing digestion methods, the safety issues in determining metal elements in polytetrafluoroethylene powder can be effectively addressed.

The invention discloses a production process method of an antioxidant BHT (butylated hydroxytoluene). The core of the method is to treat the recrystallization mother liquor: after the mother liquor is rectified to remove the solvent alcohol, the traditional high-temperature rectification is not adopted, and primary cooling crystallization, alkylation reaction and secondary cooling crystallization are sequentially carried out. Finally, the secondary mother liquor is produced as a liquid antioxidant LK51, and comprises 7-9% of 2-tert-butyl-p-cresol, about 35% of 4 (6)-tert-butyl-m-cresol, about 35% of 2, 6-di-tert-butyl-p-cresol, 4, 6-di-tert-butyl-m-cresol and other alkylphenols, and the total content of the alkylphenols is greater than 98%. The component is a mixture of various alkylphenols, has excellent oxidation resistance in lubricating oil, gasoline and other oil products, and can replace an antioxidant T501 and the like. According to the method disclosed by the invention, through process innovation and replacement of two-fraction alkylation of original rectification 2 by direct alkylation of the primary crystallization mother liquor, the yield of a BHT main product is increased, meanwhile, the high-added-value liquid antioxidant is co-produced, low-value heavy alkylphenol waste is eliminated, and dual improvement of energy conservation, consumption reduction and economic benefits is realized.

The invention discloses a mass spectrometric detection method for C3-alkylphenol separated by an acetonitrile-ammonia water mobile phase and application, and relates to the technical field of environmental detection.The mass spectrometric detection method comprises the steps that according to the petroleum content range in a sample, a corresponding sample pretreatment process is selected to prepare a sample; the method comprises the following steps: detecting a standard sequence sample, a conversion factor calibration sample and a sample by utilizing LC-HRMS (Liquid Chromatography-High Resolution Mass Spectrometry) under an acetonitrile-ammonia water mobile phase system, and simultaneously collecting MS1 data and MS2 data; calculating the standardized concentration of the first component and the concentration of the second component which flow out together according to the MS1 data; calculating the concentration of propyl phenol according to the MS2 data; according to the MS1 data of the co-outflow single component, calculating the conversion factor of the co-outflow first component, and calculating the concentration of trimethylphenol by combining the standardized concentration of the co-outflow first component and the concentration of propyl phenol. The detection limit of the method for 12 C3-alkyl substituted phenol isomeride single components is lower than 1.0 [mu] g / L, the adding standard recovery rate is 77-103%, the sensitivity is high, and the accuracy is good.

The invention provides an ultrahigh-base-number composite calcium salt detergent, a preparation method thereof and a lubricating oil complexing agent. The preparation method comprises the following steps: mixing solvent oil, base oil, an accelerant A, an accelerant B, sulfonic acid, salicylic acid, first inorganic calcium and an accelerant C for neutralization reaction; carbon dioxide is introduced, second inorganic calcium and water are added for a carbonation reaction, a product is purified after the reaction is finished, and the composite calcium salt detergent is obtained; the accelerant B is selected from a combination of two or more than three of polyisobutylene succinic anhydride, dodecenyl succinic anhydride, polymethacrylate, trimethylolpropane isooctoate, alkylphenol formaldehyde resin and benzylamine. The composite calcium salt detergent disclosed by the invention has the advantages of ultrahigh base number and better thermal stability, and can fundamentally improve the problem of precipitation when calcium sulfonate and calcium salicylate are compounded.

The invention discloses a coating with a formaldehyde purification function, a preparation method of the coating and leather applying the coating, and relates to the technical field of leather coatings. The coating is prepared from the following raw material components: 10 to 40 parts of nano zinc oxide, 2 to 10 parts of alkylphenol polyoxyethylene ether, 10 to 45 parts of styrene acrylate, 5 to 30 parts of aliphatic isocyanate, 5 to 20 parts of polycarbonate, 5 to 30 parts of acrylate, 10 to 50 parts of paraffin emulsion, 0.5 to 5 parts of pH (Potential of Hydrogen) regulator and deionized water. The mass ratio of the nano zinc oxide to the alkylphenol polyoxyethylene ether to the styrene acrylate to the aliphatic isocyanate to the polycarbonate is 1 to (0.2 to 0.4) to (0.8 to 1.2) to (0.5 to 0.8) to (0.5 to 0.8). According to the coating with the formaldehyde purification function, nano-zinc oxide can be uniformly dispersed in a coating system, flocculation agglomeration and precipitation do not occur after long-term storage (6 months), and the coating can be applied to manufacturing of leather for furniture.

A composition comprising at least one fuel that is a diesel fuel, a biodiesel fuel, or combinations thereof and less than 100ppm, less than 50ppm (or less than 25ppm, less than 10ppm, 1 to 7ppm, or 5 to 7ppm) of an alkylene-coupled C10 to C60 (or C10 to C40, C14 to C32 or C24 to C28) alkylphenol; 25 to 500ppm (or 50 to 500ppm, or 150 to 450ppm or 250 to 450ppm, or 250 to 400ppm) of a terpolymer; and 5 to 90ppm, (or 10 to 70ppm, to 60ppm, or 10 to 55ppm) of hydrocarbyl-substituted amine detergent having at least one tertiary amino group. Methods of reducing the cold filter plugging point ("CFPP") of a fuel, said method comprising adding the following components: less than 100ppm, less than 50ppm (or less than 25ppm; less than 10ppm, 1 to 7ppm, or 5 to 7ppm) of an alkylene-coupled C10 to C60 (or C10 to C40, C14 to C32 or C24 to C28) alkylphenol; 25 to 500ppm (or 50 to 500ppm, or 150 to 450ppm or 250 to 450ppm, or 250 to 400ppm) of a terpolymer; and 5 to 90ppm, (or 10 to 70ppm, to 60ppm, or 10 to 55ppm) of hydrocarbyl-substituted amine detergent having at least one tertiary amino group. Uses of a fuel additive composition to reduce the cold filter plugging point ("CFPP") of a fuel, wherein the fuel additive composition comprises: 0.2 to 3wt% of an alkylene-coupled C10 to C60 (or C10 to C40, C14 to C32 or C24 to C28) alkylphenol; 10 to 50wt% of a terpolymer; and 2 to 10wt% of hydrocarbyl-substituted amine detergent having at least one tertiary amino group; and an optional solvent.

The invention provides lubricating grease and a preparation method thereof. The lubricating grease comprises an alkyl phosphonate compound, an antirust agent, an antioxidant, a sodium amide thickening agent and a main amount of lubricating base oil, and a preparation method of the alkyl phosphonate compound comprises the following steps: in the presence of an imine catalyst, enabling alkyl phosphonic acid to react with alkyl alcohol and / or alkylphenol, and collecting a product. The lubricating grease disclosed by the invention has excellent low-volatility performance, oxidation resistance, extreme pressure performance and wear resistance, and is suitable for a lubricating system of space equipment.

The invention discloses a metal phosphate catalyst as well as a preparation method and application thereof in Friedel-Crafts reaction. The catalyst is composed of transition metal ions and phosphate ions, the molar ratio of phosphorus to the transition metal elements is 1: (0.5-7), the total acid amount of the catalyst is in positive correlation with the catalytic activity, and the higher the total acid amount is, the better the reaction effect is. The preparation method comprises the following steps: dissolving a transition metal soluble salt in deionized water, adding a phosphate aqueous solution, stirring to generate a precipitate, dropwise adding nitric acid to dissolve the precipitate, adding urea to obtain a mixed solution, and carrying out hydrothermal reaction, washing, suction filtration and drying to obtain a finished product. During application, the catalyst, phenol and alcohol are put into an intermittent reaction kettle, nitrogen is introduced to maintain stable pressure, heating and stirring reaction are performed, and an alkylphenol product is directly obtained. The catalyst is excellent in catalytic performance, mild in reaction condition and convenient to operate, the alcohol conversion rate and the selectivity of target alkylphenol can be effectively increased, meanwhile, the high conversion rate of acyl chloride is achieved in the acylation process, the process economy is improved, and an efficient and feasible technical scheme is provided for the Friedel-Crafts reaction.

This disclosure describes a lubricating oil composition. The composition comprises a primary amount of a base oil; and a lubricant additive having the following structure: wherein each R... 1 Independently, it is a hydrocarbon group having 10 to 400 carbons; X is an alkyl, aryl, or heteroaromatic group having 1 to 10 carbons; Y is nitrogen, oxygen, or sulfur; R 2 Independently, it is a hydrocarbon group having 1 to 9 carbon atoms; each Z is nitrogen, oxygen, or sulfur; and R 3 It is a hydrocarbon group having 1 to 9 carbons and having one or more nitrogen, oxygen or sulfur functionalized hydrocarbon groups, wherein p is 1 to 3, n is 1 to 20 and m is 1 to 3.

The invention discloses a method for detecting alkylphenol by vortex-assisted liquid-liquid microextraction of supermolecular deep-eutectic solvent-based ferrofluid, which comprises the following steps: taking a novel supermolecular deep-eutectic solvent synthesized by thymol, octanoic acid and hydroxyethyl beta-cyclodextrin as raw materials as a carrier liquid, and taking oleic acid modified Fe3O4 nanoparticles as a carrier; and preparing the supramolecular eutectic solvent-based ferrofluid through an ultrasonic method. On the basis, the supermolecule eutectic solvent-based ferrofluid is used as an extraction agent for vortex-assisted liquid-liquid microextraction to extract alkylphenol in a sample to be detected, and then the alkylphenol is analyzed and detected by high performance liquid chromatography. The invention establishes a vortex-assisted liquid-liquid microextraction detection method for supermolecule deep-eutectic solvent-based ferrofluid, which can simply, quickly and sensitively detect alkylphenol in environmental water samples and beverages. The method has important application value and practical significance in the aspects of environment monitoring, food safety supervision and the like.

The invention relates to the technical field of high polymer materials, in particular to a composite composition for rotational plastic, polyvinyl rotational plastic and application. The composite composition for the rotational molding material comprises a component A and a component B, wherein the component A comprises polyethylene resin, modified polyethylene resin, polyethylene wax and alkylphenol polyoxyethylene ether; the component B comprises a modified fiber material, an antioxidant, a flame retardant, an inorganic filler and a light stabilizer; wherein the modified polyethylene resin is polyethylene resin modified by a polysiloxane compound; the modified fiber material is a fiber material modified by organic acid or inorganic acid. The rotational plastic prepared from the composite composition for the rotational plastic provided by the invention has the mechanical properties of environmental stress cracking resistance and high impact resistance.

The invention discloses a nano oxygen delivery preparation for enhancing physical ability in an anoxic environment as well as a preparation method and application of the nano oxygen delivery preparation, and belongs to the technical field of biological medicines. The nano oxygen delivery preparation disclosed by the invention is oxygen nano bubbles; the oxygen nanobubbles are wrapped by a polymer or lipid; the polymer is at least one of polyoxyethylene polyoxypropylene block polyether, polyacrylic acid, fatty alcohol polyoxyethylene ether, alkylphenol polyoxyethylene ether, fatty acid polyoxyethylene ester, sorbitol ester polyoxyethylene ether and sorbitan fatty acid ester; the lipid is phospholipid. The P-ONBs prepared by the invention has strong stability in an aqueous solution, can continuously convey oxygen, and is beneficial to reversion of reduction of blood oxygen saturation in an anoxic environment, improvement of mitochondrial dysfunction of a cell model, enhancement of physical fitness condition of an animal model and improvement of biological safety of a preparation; the requirement on equipment is low, large-scale high-end equipment is not needed, the preparation process is simple, convenient and feasible, and large-scale production is facilitated.

The invention relates to the field of lubricating oil, in particular to a phenolic ester antioxidant, a lubricating oil composition and preparation and application of the phenolic ester antioxidant and the lubricating oil composition. The preparation method of the phenolic ester antioxidant comprises the following steps: mixing alkylphenol and formaldehyde at 50-55 DEG C under the protection of nitrogen to synthesize a first intermediate; mixing the first intermediate and polyethylene polyamine at 50-55 DEG C under the protection of nitrogen to synthesize a second intermediate; mixing alkylphenol and triethyl phosphite, and synthesizing a third intermediate by taking anhydrous potassium carbonate as a catalyst; and mixing the second intermediate and the third intermediate, and synthesizing the phenolic ester antioxidant by taking anhydrous potassium carbonate as a catalyst. The phenolic ester antioxidant provided by the invention has excellent oxidation resistance and detergency and dispersibility, and can reduce the paint film formation tendency when the lubricating oil is used.

The invention provides an oil-soluble demulsifier for thickened oil as well as a preparation method and application of the oil-soluble demulsifier, and belongs to the technical field of oilfield chemistry. Comprising a basic component and an organic solvent, and the basic component comprises the following components in percentage by mass: 80-92% of a hyperbranched polyether-polyester block copolymer, 5-15% of alkylphenol polyoxyethylene ether phosphate and 3-8% of dialkylphenol polyoxyethylene ether; the hyperbranched polyether-polyester block copolymer is prepared from the following raw materials through an alkoxylation reaction: hyperbranched polyester, epoxypropane and ethylene oxide. The hyperbranched polyether-polyester block copolymer is adopted as a main demulsifier, alkylphenol polyoxyethylene ether phosphate is introduced as a synergistic penetrant, and dialkylphenol polyoxyethylene ether is adopted as a low-temperature activator, so that the provided oil-soluble demulsifier for the thickened oil not only can quickly and efficiently demulsify the thickened oil, but also can keep a good dehydration rate under a low-temperature condition.

The application discloses a halogen-free water-based flame-retardant emulsion and a preparation method and application thereof. The emulsion comprises a halogen-free flame retardant, a non-ionic dispersant, an anionic dispersant, an anti-settling agent and water; the non-ionic dispersant is selected from a combination of one or more of alkylphenol polyoxyethylene ethers, dodecyl glycoside, Tween and fatty alcohol polyoxyethylene ether; the anionic dispersant is selected from a combination of one or more of sodium polyacrylate, dioctyl succinate sodium sulfonate and fatty alcohol polyoxyethylene ether sodium sulfate; and the anti-settling agent is selected from a combination of one or more of organic bentonite, modified hydrogenated castor oil derivative, polyamide wax, fumed silica and sodium carboxymethyl cellulose. The application adopts a combination of specific types of non-ionic dispersants and anionic dispersants and specific types of anti-settling agents, so that the flame-retardant emulsion has good dispersion stability, moderate viscosity and can adapt to various complex environments such as high-temperature and high-salt environments.

This invention provides an epoxy resin composition and resin films, laminates, and printed circuit boards using the same. The epoxy resin composition comprises, by weight, 30-60 parts epoxy resin (A), 5-20 parts arylphenolic resin (B), and 10-40 parts reactive ester compound (C), wherein the arylphenolic resin (B) has a softening point of 67°C-97°C, and the reactive ester compound (C) has a softening point of 130°C-170°C. The resin films, laminates, and printed circuit boards prepared from the resin composition of this invention have low dielectric loss tangent values, which can improve the elastic modulus and mitigate the deterioration of copper foil peel strength and dielectric properties after HAST caused by uneven high-temperature curing.

This invention relates to the use of poly(alkylphenol) resins for reducing the melt viscosity of thermoplastic polyurethane (TPU), and to a composition comprising thermoplastic polyurethane (TPU) and at least one poly(alkylphenol) resin. The invention also relates to a method for preparing a composition as defined herein, wherein the poly(alkylphenol) resin is incorporated into the TPU, particularly into molten TPU. Specifically, the poly(alkylphenol) resin comprises repeating units of formula (I), wherein iR 1 It is a straight-chain or branched alkylene group having 1 to 10 carbon atoms; ii.R 2 It is a straight-chain or branched alkyl group having up to 10, for example, 1 to 10 carbon atoms, especially 2 to 8 carbon atoms or 3 to 6 carbon atoms, especially 4 carbon atoms.

This invention belongs to the field of polymer materials technology, and specifically relates to a PET composite material, its preparation method, and its application. By weight, the raw materials for preparing the PET composite material of this invention include 70-95 parts of polyethylene terephthalate, 0-15 parts of polybutylene terephthalate, 3-10 parts of toughening agent, and 0.2-1 parts of anti-crystallization agent; the anti-crystallization agent includes at least one of polyethylene glycol, polyacrylamide, and alkylphenol disulfide oligomers. The PET composite material of this invention has high transparency, fully displaying the color of the internal low-smoke halogen-free cable, with no visual color difference. It does not exhibit significant discoloration even after long-term exposure to outdoor light, greatly expanding its outdoor applications. The material has very low water absorption and good barrier properties, thus effectively maintaining the electrical performance of the cable.

The invention discloses a negative oxygen ion antibacterial board which comprises a board base layer and a negative oxygen ion antibacterial layer, and the negative oxygen ion antibacterial layer is prepared from the following raw materials: light-cured resin, HDDA monomers, a photoinitiator, a leveling wetting agent, a foam inhibitor and a functional adhesive; wherein the functional adhesive is prepared from the following raw materials: a polyurethane modified acrylate adhesive, negative oxygen ion antibacterial composite powder, chitosan quaternary ammonium salt, sodium polyacrylate, sodium polyphosphate, dodecylphenol polyoxyethylene and a silane coupling agent; the negative oxygen ion antibacterial composite powder comprises an inorganic antibacterial agent and negative oxygen ion mineral powder. The negative oxygen ion antibacterial board has the advantages of high negative oxygen ion concentration, good negative oxygen ion release efficiency stability and durability, good synergism of antibacterial and purifying functions, and excellent antibacterial and antiviral effects.