144 results about "Ethylene bis" patented technology

The invention relates to the technical field of high-performance polyester, in particular to a high-strength low-shrinkage polyester fiber and a preparation method thereof. The defects that existing polyester fibers are poor in strength and shrinkage resistance are overcome. The preparation method comprises the following steps: mixing the modified resin, the modified nano silicon dioxide, the composite antioxidant, the composite nucleating agent and the composite lubricant, and carrying out melt spinning. Wherein the modified resin is prepared from the following raw materials: dimethyl terephthalate, isophthalic acid, ethylene glycol and isosorbide; the modified nano silicon dioxide comprises nano silicon dioxide, KH570 and silver nitrate; the composite antioxidant comprises an antioxidant 1010, an antioxidant 168 and an antioxidant 1222; the composite nucleating agent comprises sodium benzoate and nano montmorillonite; the composite lubricant is prepared from ethylene bis stearamide and pentaerythritol stearate. The prepared polyester fiber is high in strength, high in shrinkage resistance and suitable for manufacturing of outdoor equipment.

The invention relates to the field of polystyrene auxiliaries, and particularly discloses a coating agent for expandable polystyrene as well as a preparation method and application of the coating agent. The coating agent for expandable polystyrene is prepared from the following raw materials in parts by weight: 28 to 42 parts of mono / diglycerol fatty acid ester, 32 to 42 parts of triglyceride, 22 to 32 parts of stearate, 1 to 5 parts of ethylene bis stearamide and 2 to 3 parts of polyvinyl alcohol, and the granularity of the raw materials is 300 to 325 meshes. The coating agent provided by the invention can be used for light-grade, flame-retardant and common-grade expandable polystyrene, and can reduce adhesion and agglomeration among expandable polystyrene particles, enhance the demolding effect and reduce volatilization and loss of a foaming agent and an auxiliary agent.

The invention discloses an anti-yellowing PVB (Polyvinyl Butyral) adhesive for laminated glass and a preparation method thereof, and relates to the technical field of adhesives. The yellowing-resistant PVB glue for the laminated glass has the advantages that the yellowing resistance is high; the modified PVB / nano silicon dioxide composite material is prepared from the following raw materials in parts by weight: 55 to 65 parts of modified PVB resin, 4 to 6 parts of modified nano silicon dioxide, 15 to 20 parts of dioctyl adipate, 0.5 to 1 part of a compound antioxidant, 0.3 to 0.8 part of an ultraviolet absorbent UV-327, 0.2 to 0.5 part of a silane coupling agent KH-560, 0.3 to 0.6 part of ethylene bis stearamide, 0.1 to 0.3 part of 2-benzimidazole methyl carbamate, 3 to 5 parts of tris (1-chloro-2-propyl) phosphate and 0.1 to 0.3 part of nano titanium dioxide. 5 to 8 parts of isopropanol; 0.8 to 1.2 parts of polycarbodiimide. The special modified PVB resin and the nano silicon dioxide are matched with the auxiliary agents such as the compound antioxidant, the anti-yellowing performance of the PVB glue for the laminated glass is remarkably improved through precise process preparation, the components have a synergistic effect, the process is controllable, the product performance is stable, and the cohesiveness is good.

The invention provides a bacteriostatic PET (polyethylene terephthalate) coiled material as well as a preparation method and application thereof, and belongs to the technical field of high polymer materials, the bacteriostatic PET coiled material is prepared from the following raw materials: PET, nano titanium dioxide, nano talcum powder, a compatilizer, an antioxidant, a lubricant and a modified composite bacteriostatic agent; the compatilizer is an ethylene-methyl acrylate-glycidyl methacrylate random terpolymer and / or an ethylene-acrylic ester-maleic anhydride random terpolymer, and the compatilizer is an ethylene-methyl acrylate-glycidyl methacrylate random terpolymer and / or an ethylene-acrylic ester-maleic anhydride random terpolymer; the lubricant is one or a mixture of two of pentaerythritol stearate, erucyl amide, polyethylene wax, polyvinyl alcohol and ethylene bis stearamide; the modified composite bacteriostatic agent is prepared from catechin gallate, epsilon-polylysine hydrochloride and modified porous zinc oxide. The prepared antibacterial PET coiled material can be used for packaging materials of packaging boxes, lunch boxes, cup covers, trays and the like, and has good mechanical properties such as bending strength and impact strength and excellent antibacterial performance.

The invention discloses modified calcium carbonate powder applied to silicone adhesive and a preparation method of the modified calcium carbonate powder, and relates to the technical field of calcium carbonate powder modification, the modified calcium carbonate powder comprises heavy calcium carbonate powder and an additive for modifying the heavy calcium carbonate powder; the additives comprise N, N '-ethylene bis stearamide, glycerol, an aluminate coupling agent, a castor oil derivative, a dispersing agent and a rheological agent; the calcium carbonate filler has the characteristics of high whiteness, low cost, strong lipophilicity, small stacking density, low oil absorption value and the like, and the silicone adhesive produced by using the calcium carbonate filler has the advantages of good fluidity, good thixotropy, good extrudability of the finished product adhesive and outstanding mechanical properties, and is a high-quality calcium carbonate filling filler for producing the silicone adhesive.

The invention relates to the technical field of polyvinyl chloride, in particular to an anti-aging polyvinyl chloride sheet and a preparation method thereof.The anti-aging polyvinyl chloride sheet is characterized in that one of an organic tin stabilizer and a liquid calcium-zinc stabilizer is introduced into a polyvinyl chloride base material to serve as a stabilizer, the processability of the polyvinyl chloride base material is improved by selecting an ACR auxiliary agent, and ethylene bis stearamide serves as an anti-sticking agent; one or more of oxidized polyethlene wax, polyol ester and stearate are used as a lubricant; 2-carboxyethyl phenyl phosphinic acid and 1, 1, 1-trimethylolpropane are used as raw materials to synthesize hyperbranched polyester, then a hydroxyl-containing s-triazine ultraviolet absorbent is grafted, and the modified hyperbranched polyester plasticizer is obtained and used for plastifying sheets. The preparation method comprises the following steps: selecting hydrotalcite-like compound as a filler, selecting carboxylated silsesquioxane as a modifier through a stripping recombination method to obtain carboxylated hydrotalcite-like compound, and then grafting a hydroxyl-containing s-triazine ultraviolet absorbent, thereby greatly enhancing the flame retardance, fire resistance and weather resistance of the sheet and enhancing the use safety of the sheet.

The invention discloses a low-dielectric-constant polyamide material, and relates to the technical field of high polymer materials. The invention discloses a low-dielectric-constant polyamide material. The composite material is prepared from the following raw materials in parts by weight: 35 to 45 parts of polyamide 66, 5 to 10 parts of polytetrafluoroethylene micro powder, 8 to 12 parts of modified porous siloxane microspheres, 3 to 7 parts of modified nano zinc oxide, 10 to 15 parts of glass fibers, 4 to 8 parts of polyether-ether-ketone, 1 to 3 parts of graphene nanosheets, 3 to 5 parts of fluororubber, 1 to 2 parts of a titanate coupling agent, 0.3 to 0.7 part of an antioxidant 1010, 0.5 to 1.0 part of ethylene bis stearamide and 0.1 to 0.3 part of an ultraviolet absorbent UV-531. The low-dielectric-constant polyamide material has the remarkable advantages that the raw materials are scientifically proportioned, and various modified components are contained to enhance the performance; all the components are subjected to special treatment, so that the compatibility is good; the preparation process is rigorous, and the material has excellent dielectric properties; and the material also has good heat resistance and weather resistance and strong mechanical properties, and is suitable for various scenes with high dielectric constant requirements.

The invention provides a low-smoke halogen-free environment-friendly cable material and a preparation method thereof. The invention discloses a cable material. Comprising the following raw materials in parts by weight: 40-48 parts of an ethylene-vinyl acetate copolymer, 20-32 parts of polyethylene resin, 13-18 parts of cellulose acetate fibers, 1-3 parts of epoxidized soybean oil, 2-5 parts of ethylene bis stearamide, 2-5 parts of triethyl citrate, 3-6 parts of polyethylene glycol diacrylate, 3-6 parts of N-hydroxymethyl acrylamide, 8-12 parts of modified nano oxide and 13-18 parts of a flame retardant additive. And 0.1 to 0.6 part of an antioxidant. The cable material disclosed by the invention takes the ethylene-vinyl acetate copolymer, the polyethylene resin, the triethyl citrate, the polyethylene glycol diacrylate, the N-hydroxymethyl acrylamide, the modified nano oxide, the flame-retardant additive and the antioxidant as raw materials, and the tensile strength and the elongation at break of a cable can be effectively improved through the synergistic interaction of the raw materials; the halogen-free flame-retardant cable material does not contain halogen raw materials, has a relatively high flame-retardant effect, releases relatively low smoke during combustion, and has a good application prospect.

The invention discloses an anti-aging light-conversion silver black mulching film and a preparation method thereof, and belongs to the technical field of agricultural polymer films. The preparation method comprises the following steps: S1, mixing low-density polyethylene powder, aluminum paste, a complex light conversion agent, dioctyl phthalate and EVA (Ethylene Vinyl Acetate) to prepare silver light conversion master batches; s2, vinyl-terminated fluorosilicone oil, tert-butyl peroxybenzoate and linear low-density polyethylene powder are stirred for a reaction, and modified low-density polyethylene is obtained; the modified low-density polyethylene, maleic anhydride grafted polyethylene, a multi-effect light stabilizer and polyethylene wax are subjected to banburying granulation, and modified light-stable master batches are obtained; s3, carrying out banburying granulation on the low-density polyethylene powder, the polyethylene powder, carbon black, zinc stearate, ethylene bis-stearamide and the EVA powder to obtain black master batches; s4, blending the silver layer and the black layer, and performing double-layer co-extrusion to obtain the light-conversion silver-black mulching film. The light-conversion silver black mulching film provided by the invention has good mechanical properties and aging resistance.

The invention discloses a PBT (polybutylene terephthalate) composition as well as a preparation method and application thereof. The PBT composition is prepared from the following components in parts by weight: 44 to 56 parts of PBT resin; 10 to 15 parts of ethylene bis (tetrabromo) phthalimide; 25 to 35 parts of glass fiber; and 0.5-1 part of an ultraviolet light absorber. According to the glass fiber reinforced PBT composition disclosed by the invention, the specific ethylene bis (tetrabromo-phthalimide) is added into the glass fiber reinforced PBT composition and is matched with the specific ultraviolet light absorber, so that the prepared PBT composition has an effect of small color difference change after aging; and the method is particularly suitable for workpieces with long-time outdoor working condition requirements, such as intelligent ship outdoor units, photovoltaic supports, air conditioner outdoor unit components, new energy battery parts and the like.

The invention relates to the technical field of old asphalt regeneration, in particular to an asphalt regenerant, a modified regenerated asphalt mixture, a preparation method and application. The asphalt regenerant is prepared from vacuum line oil, a plasticizer, a surfactant, methyl long-carbon-chain alkyl silicone oil, liquid EVA (ethylene vinyl acetate), emulsion styrene-butadiene rubber, liquid petroleum resin, LLDPE (linear low density polyethylene), MXenes and a microcapsule stabilizer, wherein the microcapsule stabilizer is prepared from ethylene bis stearamide, sulfur and N-phenyl-N-cyclohexyl p-phenylenediamine. The modified recycled asphalt mixture is prepared from a milling material, an asphalt recycling agent, SBS modified asphalt, a new aggregate and mineral powder. The prepared asphalt regenerant can improve the mixing amount of a milling material in a regenerated asphalt mixture and improve the use performance of the regenerated asphalt mixture, is beneficial to waste asphalt recovery, improves the resource utilization rate and reduces the construction cost of an asphalt pavement.

The invention relates to the technical field of high polymer materials, in particular to a high-temperature-resistant preservation box cover and a preparation method thereof. The high-temperature-resistant preservation box cover is prepared from the following components in parts by weight: 50 to 70 parts of polypropylene, 6 to 10 parts of modified polyimide, 10 to 15 parts of nano cellulose, 2 to 4 parts of plasticizer, 0.5 to 1 part of antioxidant and 0.5 to 1 part of ethylene bis stearamide. The preparation method of the modified polyimide comprises the steps of blending modification and post-treatment. The high-temperature-resistant fresh-keeping box cover prepared by the invention has excellent high-temperature resistance and excellent tensile property, is convenient to process and is beneficial to mass production.

The invention provides a bio-based low-temperature curing powder coating and a preparation method thereof, and belongs to the technical field of powder coatings, and the bio-based low-temperature curing powder coating specifically comprises the following components in parts by weight: 65-75 parts of bio-based resin, 5-6 parts of triglycidyl isocyanurate, 0.05-0.15 part of tetrabutylammonium bromide, 8-12 parts of air glass beads, 4-6 parts of mica and 0.4-0.6 part of ethylene bis stearamide. 0.7 to 1.3 parts of flatting agent, 0.2 to 0.5 part of benzoin, 0.3 to 0.7 part of amide wax and 6 to 8 parts of pigment. The curing temperature of the bio-based low-temperature curing powder coating is 100-120 DEG C, and the bio-based low-temperature curing powder coating has the advantage of low curing temperature, can be suitable for surface coating of plastic devices, has the advantages of salt mist resistance, impact resistance and the like, and can effectively solve the problems of existing powder coatings.

The invention relates to the technical field of flame-retardant polyethylene composite materials, in particular to a water-resistant flame-retardant polyethylene composite material as well as a preparation method and application thereof. The water-resistant flame-retardant polyethylene composite material is prepared from the following raw materials in parts by weight: 60 to 72 parts of polyethylene, 20 to 26 parts of water-resistant coke pipe, 8 to 14 parts of flame retardant, 0.1 to 1 part of dispersing agent, 0.1 to 1 part of antioxidant and 0.1 to 1 part of ethylene bis stearamide. The water-resistant coke piperidine is prepared by the following method: synthesizing diphosphate of a piperazine derivative by taking the piperazine derivative and phosphoric acid as raw materials; and carrying out polymerization reaction on the diphosphate of the piperazine derivative to obtain the water-resistant coke piperidine. According to the technical scheme, the technical problem that the water resistance of a flame-retardant polyethylene composite material in the prior art is not ideal can be solved, and the novel water-resistant coke pipe is provided and has ideal popularization and application prospects.

The invention discloses a functional master batch for demolding and a preparation method thereof. The functional master batch is characterized by comprising the following components in percentage by weight: 64-70% of nylon 6, 1-3% of stearic acid, 0.2-0.5% of an antioxidant, 2-5% of a nucleating agent, 1-3% of a toughening agent, 8-12% of calcium stearate, 6-10% of ethylene bis stearamide, 1-1.5% of white oil and 1-3% of a whitening agent. The mold release agent has the effects of improving the mold release property of a plastic product and being good in mold release capacity.

The invention discloses a halogen-free flame-retardant epoxy resin system composition and application, the epoxy resin system composition is composed of an epoxy resin part and a curing agent part, the epoxy resin part is composed of dihydroxydiphenylmethane glycidyl ether, 2, 2 '-[(1-methylethylene) bis (4, 1-phenylene formaldehyde)] dioxirane, 2, 2'-dihydroxydiphenylmethane glycidyl ether, 2, 2 '-[(1-methylethylene) bis (4, 1-phenylene formaldehyde)] dioxirane, 2, 2'-dihydroxydiphenylmethane, 2, 2 '-dihydroxydiphenylmethane, the halogen-free flame retardant is composed of hydroxyl-terminated polysiloxane modified bisphenol A glycidyl ether, an organophosphorus flame retardant, an active diluent and an auxiliary agent. And the curing agent part consists of an alicyclic amine curing agent, amine-terminated polyether and an accelerant. The epoxy resin system composition provided by the invention is low in mixing viscosity and strong in operability, a cured product has excellent toughness and heat resistance while ensuring that the flame retardant grade meets UL94V0, and the problems that a halogen-free flame-retardant system is poor in process operability, the performance of the cured product is reduced, halogen elements can release harmful gas at high temperature, and the service life of the cured product is prolonged can be effectively solved. And harm to human health and environment is caused.

The invention belongs to the technical field of lead-free solder paste preparation, and discloses a lead-free composite solder paste with a high spreading rate and a preparation method. The lead-free composite soldering paste comprises soldering powder and soldering flux. The soldering flux is prepared from modified rosin, an activating agent, a surface active agent, a thixotropic agent, thermosetting resin, an antioxidant, a corrosion inhibitor and an organic solvent. The activating agent comprises hydroxy acrylic resin, terephthalic acid and ethylene bis stearamide. The prepared lead-free composite soldering paste is good in wettability, good in printability, low in corrosivity and less in residue, can effectively inhibit the occurrence of undesirable welding phenomena such as tin beads, dewetting and collapse, greatly reduces the reject ratio of printing, and improves the reliability of welding; the preparation method of the lead-free composite soldering paste is simple and easy to operate, raw materials are easy to obtain, and the lead-free composite soldering paste is suitable for industrial popularization.

The invention relates to an odorless antibacterial polymer-based composite material and a preparation method thereof. The odorless antibacterial polymer-based composite material comprises the following components in parts by weight: 20-30 parts of modified water-borne epoxy resin, 5-20 parts of a water-borne epoxy resin curing agent, 5-10 parts of a dispersing agent, 5-10 parts of a defoaming agent, 5-10 parts of a flatting agent, 5-10 parts of a coalescing agent, 5-10 parts of modified glass fibers, 20-30 parts of filler, 5-10 parts of an antibacterial agent, 3-8 parts of an antioxidant and 20-30 parts of water. The coating has excellent properties, such as good adhesiveness, corrosion resistance, good mechanical properties, good antibacterial property, good weather resistance, water resistance and the like. And the modified tetrapod-like zinc oxide whisker is compounded with the ethylene bis-dithiocarbamic acid zinc, so that the problem of poor compatibility with the odorless antibacterial polymer-based composite material when the modified tetrapod-like zinc oxide is independently added is solved, the surface hardness of the odorless antibacterial polymer-based composite material is increased, and the service life of the odorless antibacterial polymer-based composite material is prolonged.

The invention discloses a full-biodegradable bag and a preparation method thereof in the technical field of biodegradable materials.According to the full-biodegradable bag, polylactic acid and poly (butylene adipate-co-terephthalate) serve as matrixes, and performance optimization is achieved by adding a specially-made nanofiber interpenetrating network compatibilizer and a star-shaped structure bio-based plasticizer; wherein the nanofiber interpenetrating network compatibilizer is prepared by grafting polylactic acid and poly (butylene adipate-co-terephthalate) chain segments on cellulose nanofibers through an atom transfer radical polymerization technology, and the star-shaped structure bio-based plasticizer is prepared through ring opening polymerization and melt grafting technologies. In addition, the formula also comprises a maleimide modified lignin filler, an ethylene bis stearamide lubricant and an antioxidant. Through the synergistic effect of the two specially-made modified compounds, the compatibility of all the components is remarkably improved, the preparation process is simple and reliable and suitable for industrial production, and the problem of white pollution of traditional plastic products can be effectively solved.

The application discloses a micro-smoke and odor-free cast steel environment-friendly regenerated coated sand process, which replaces a lubricant with hydroxyethyl ethylene bis-stearamide and corresponding auxiliary triisopropyl phosphate, significantly enhances the hot tensile strength and environmental protection of the coated sand, removes the solidified resin on the surface of the coated sand through a frozen shell breaking mode, greatly improves the shell breaking rate of the coated sand waste sand through modified aluminum nitride and preparation of a shell breaking auxiliary, and prepares a friction auxiliary to enhance the particle shaping of the coated sand regenerated sand, and further enhances the flowability of the coated sand prepared from the regenerated sand.

The present invention relates to a composition containing (a) a guanidine and / or an unsubstituted guanidine salt, and (b) at least one further component selected from the group consisting of 5-chloro-2-methyl-4-isothiazolin-3-one, 2-methyl-4-isothiazolin-3-one, 1, 2-benzisothiazolin-3-one, N-butyl-1, 2-benzisothiazolin-3-one, N-methyl-1, 2-benzisothiazolin-3-one, N-methyl-1, 2-benzisothiazolin-3-one, N-methyl-1, 2-benzisothiazolin-3-one, N-methyl-1, 2-benzisothiazolin-3-one, N-methyl-1, 2-benzisothiazolin-3-one, N-methyl-1, 2-benzisothiazolin-3-one, N-methyl-1, 2-benzisothiazolin-3-one, N-methyl-1, the cleaning agent is prepared from 2-benzisothiazolin-3-one, octyl isothiazolinone, bronopol, dibromo-nitrilopropionamide, dibromo-dicyanobutane, butyl carbamic acid iodopropynyl ester, aminomethyl propanol, aminoethyl propylene glycol, monoethanolamine, ethylhexylglycerin, hexylglycerin, 1, 2-pentanediol, 1, 2-hexanediol, 1, 2-heptanediol, 1, 2-octylene glycol, phenoxy ethanol and phenethyl alcohol. The cleaning agent is prepared from phenyl propanol, benzyl alcohol, isopropanol, ethylenediamine tetraacetic acid, (1-hydroxyethylidene) diphosphonic acid, 2-mercaptopyridine sodium oxide, 2-mercaptopyridine zinc oxide, o-phenylphenol, sorbic acid, benzoic acid, salicylic acid, lactic acid, citric acid and zinc. The invention also relates to an industrial product containing components (a) and (b), and to the use of said composition for the preservation of containers and for the preservation of industrial products. The invention also relates to the use of (a) a guanidine and / or an unsubstituted guanidine salt for improving the antimicrobial efficacy of one or more compounds selected from the group (b) described above.

The invention provides a bi-component spun-bonded non-woven fabric and a production process thereof, and belongs to the technical field of non-woven fabrics. The non-woven fabric is composed of bi-component fibers of a skin-core composite structure, the skin layer of the bi-component fibers is composite polypropylene, and the core layer of the bi-component fibers is polycaprolactam; the preparation method of the composite polypropylene comprises the steps of polypropylene hydrophilic treatment, starch functional treatment and compounding. The hydrophilic treatment of polypropylene comprises the following steps: adding benzoyl peroxide, an antioxidant and ethylene bis stearamide into polypropylene, stirring for 20-25 minutes, adding polyethylene glycol monoallyl ether, stirring for 10-15 minutes, adding polyethylene glycol monoallyl ether again to obtain a polypropylene mixture, putting the polypropylene mixture into a twin-screw extruder, carrying out melt extrusion, and carrying out extrusion molding to obtain the polypropylene material. Hydrophilic polypropylene is obtained; the non-woven fabric is high in water absorption rate, short in liquid penetration time and excellent in strength and chemical stability resistance.

This invention discloses a PBT composition, its preparation method, and its applications. The PBT composition comprises the following components by weight: 44-56 parts PBT resin; 10-15 parts ethylene bis(tetrabromophthalimide); 25-35 parts glass fiber; and 0.5-1 part ultraviolet absorber. This invention, by adding specific ethylene bis(tetrabromophthalimide) and a specific ultraviolet absorber to a glass fiber reinforced PBT composition, results in a PBT composition with minimal color change after aging. This makes it particularly suitable for components requiring long-term outdoor operation, such as smart boat outdoor units, photovoltaic brackets, air conditioner outdoor unit components, and new energy battery components.

The invention relates to the technical field of polypropylene material production auxiliaries, in particular to a formula and a preparation method of a compound agent for beta-crystal polypropylene, the formula comprises a compound beta-crystal nucleating agent, a compound beta-crystal stabilizer and a compound antioxidant; the composite beta crystal nucleating agent comprises aryl dicarboxamide and calcium pimelate; the composite beta crystal stabilizer is prepared from beta-(3, 5-di-tert-butyl-4-hydroxyphenyl) propionate and ethylene bis-stearamide (EBS) WPP polypropylene wax. According to the invention, the first nucleating agent aryl dicarboxamide and the second nucleating agent calcium pimelate are matched for use, which is different from the existing scheme and method of independent use, so that the inductivity of the beta crystal is increased; and the beta-(3, 5-di-tert-butyl-4-hydroxyphenyl) propionate serving as a first stabilizer and the ethylene bis-stearamide (EBS) WPP polypropylene wax serving as a second stabilizer are matched for use, so that the beta crystal can be cured, and the produced polypropylene beta crystal is more stable.

The application belongs to the field of high polymer materials, and particularly relates to a color master batch special for lithium battery diaphragm, a preparation method and application thereof. The color master batch provided by the application includes the following components in parts by weight: 55-85 parts of polymer base material, 4-14 parts of mixed colorant, 3-7 parts of antioxidant, and 4.5-12 parts of modified nano filler; the mixed colorant includes the following components: pigment and processing aid, the processing aid is one or more of N,N'-ethylene bis-stearamide, polyethylene wax and coupling agent; and the modified nano filler is a nano filler treated by a surfactant. The application optimizes the component composition of the color master batch, especially modifies the nano filler contained therein to ensure good dispersibility, so as to ensure that the film forming raw material added with the color master batch forms a uniform pore effect in the stretching film forming process.

The invention discloses a weather-resistant and toughened ABS edge banding masterbatch and a preparation method and application thereof. The weather-resistant and toughened ABS edge banding masterbatch comprises the following raw materials in parts by weight: 60-75 parts of chlorinated polyethylene resin; 3-8 parts of stabilizer; 2-5 parts of antioxidant; 2-6 parts of lubricant; 5-15 parts of maleic anhydride grafted EPDM; the stabilizer is composed of a calcium zinc composite stabilizer and a light stabilizer; the lubricant is composed of N,N'ethylene bis stearamide, oxidized polyethylene wax, and stearic acid. The ABS edge banding masterbatch of the invention uses chlorinated polyethylene resin and maleic anhydride grafted EPDM in combination, combined with specific lubricants, stabilizers, and antioxidants to synergistically improve the toughness and weather resistance of the ABS edge banding, so that the modified ABS edge banding has good toughness and good weather resistance.

The invention relates to the technical field of production of chemical materials, and particularly discloses a production process and application of micron-level fatty glyceride fine powder, the production process comprises the following steps: heating and dissolving monoglyceride or triglyceride, fully stirring, conveying to a head tank through a pipeline, keeping the liquid level stable, conveying to a centrifugal spray head, and drying to obtain the micron-level fatty glyceride fine powder. And treating by a high-speed centrifugal rotor to form fine liquid drops, cooling into small particles by cold air input by an air cooler, cooling in a centrifugal drying tower to obtain an intermediate, standing, fully cooling, and sieving to obtain micron-grade fine powder. The invention also provides an application of the fine powder in an expanded polystyrene ultrafine powder coating agent, the coating agent is prepared from monoglyceride, triglyceride, zinc stearate, EBS ethylene bis stearamide and silicon dioxide in specific parts by mass, and the coating agent is produced by adopting a zero-gravity dry mixing method. The particle size of the produced fine powder reaches 75 micrometers or below, the particle size D50 of a finished product is about 50 micrometers, the fine powder can be evenly coated on EPS particles, powder falling is not prone to occurring, and the processing efficiency and the product performance of the EPS industry are improved.

This invention belongs to the field of coal seam development technology and discloses a coal seam wetting reversal agent and its preparation method. The coal seam wetting reversal agent provided by this invention exhibits excellent pH-affected behavior, and the wettability of the coal sample surface by the surfactant EBMAA-DMA12 can be altered by adjusting the pH value of the solution. When the solution pH is less than 6.87, it helps reduce capillary forces and can be used as a water-locking agent. When the pH of the surfactant solution is adjusted to greater than 6.87, it helps reduce the surface free energy of the coal seam and can be used as a coalbed methane desorbent. Furthermore, the method for preparing this coal seam wetting reversal agent involves first synthesizing the dicarboxylic acid intermediate N,N′-ethylenebismaleamic acid (EBMAA) using MAH and EDA, and then obtaining it through a neutralization reaction between N,N′-ethylenebismaleamic acid (EBMAA) and N,N-dimethyldodecylamine. This preparation method uses readily available raw materials, has a simple process, high repeatability and stability, and has significant potential for widespread application.

The invention relates to the technical field of cables, and provides an insulating flame-retardant wire cable and a preparation method thereof. An insulating flame-retardant wire cable comprises a conductor layer and a sheath layer. The sheath layer is prepared from the following raw materials in parts by weight: 40 to 50 parts of ethylene-vinyl acetate copolymer, 20 to 25 parts of low-density polyethylene, 8 to 12 parts of polyolefin elastomer, 15 to 20 parts of magnesium hydroxide and zinc borate core-shell filler, 3 to 4 parts of nano diatomite, 4 to 5 parts of calcium-zinc composite stabilizer, 1 to 1.2 parts of silane coupling agent KH-550, 0.8 to 1.2 parts of antioxidant, 0.5 to 0.8 part of polyethylene wax and 0.3 to 0.5 part of zinc stearate. 0.4 to 0.6 part of ethylene bis stearamide and 0.3 to 0.5 part of polytetrafluoroethylene micro powder. According to the prepared insulating flame-retardant electric wire and cable, the stability of the insulating material of the electric wire and cable is improved; and meanwhile, the flame-retardant effect of the wire cable is improved.

This utility model discloses a reactor for the production of ethylene bis(tetrabromophthalimide), comprising a reactor body, a stirring motor, a servo motor, an internal exhaust valve, and an external exhaust valve. The stirring motor and a discharge pipe are respectively installed at the upper and lower ends of the reactor body. A square rod is fixedly connected to the lower end of the output shaft of the stirring motor, and a stirring paddle is fixedly installed on the lower outer wall of the square rod. A support sleeve is fixedly installed through the reactor body surface on the side of the stirring motor, and a servo motor is installed on the upper end of the support sleeve. A powder pipe and a feeding pipe are respectively installed on the reactor body surfaces on the front and rear sides of the stirring motor, and a powder sleeve and a feeding sleeve are respectively fixed to the inner wall of the cover plate on the side of the powder pipe and the feeding pipe. This reactor for the production of ethylene bis(tetrabromophthalimide) facilitates the suppression of powder diffusion, thereby preventing powder from filling the reactor and affecting the reaction of the materials, thus improving the practicality of the device.