455 results about "Erucyl amide" patented technology

The invention discloses electret master batch for melt-blown non-woven fabric for a low-resistance mask and a preparation method of the electret master batch. The electret master batch for the melt-blown non-woven fabric for the low-resistance mask is prepared from the following components in percentage by weight: 65-85% of polypropylene resin; 1-3% of electret powder; 5-15% of a dispersant; 3-10%of a nucleating agent; 3-10% of a softening agent; 0.05%-0.5% of a processing aid; wherein the softening agent is erucyl amide; the polypropylene resin is homo-polypropylene and/or co-polypropylene,and the melt index MFI of the polypropylene resin is 230 DEG C/2.16 kg and is not lower than 1000 g/10 min. According to the electret master batch, the softening agent, the nucleating agent and othercomponents are added, so that when the electret master batch and the ultra-high melt index polypropylene are mixed to be used for producing the melt-blown non-woven fabric for the mask, the obtained melt-blown non-woven fabric for the mask can have low respiratory resistance while having high filtering efficiency, and therefore the electret master batch is particularly suitable for being used as amask material. The formula does not greatly adjust the formula of the existing electret master batch, and is easy to implement.

The invention relates to a semiconductive low-smoke zero-halogen flame-retardant polyolefin sheath material and a preparation method thereof. The semiconductive low-smoke zero-halogen flame-retardant polyolefin sheath material is made of, by weight, 60-100 parts of polyolefin resin, 40-80 parts of conductive carbon black, 20-40 parts of flame retardant, 1-5 parts of dispersing agent, 0.1-3 parts of stearate, 0.1-3 parts of silane coupling agent, 5-20 parts of lubricant, 2-8 parts of wetting agent, 3-10 parts of antioxidant and 0-3 parts of uvioresistant agent, wherein the dispersing agent is composed of oleamide, erucyl amide or mixture of the oleamide and the erucyl amide. The improved semiconductive low-smoke zero-halogen flame-retardant polyolefin sheath material special for ultrahigh-voltage cables is advantageous in comprehensive performances, especially in electricity conductivity, flame retardation performance, low cost and the like.

The invention relates to a fogging surface silky wax feel finishing agent for synthetic leather and a preparation method thereof. The finishing agent comprises modified polyurethane resins, DMF (dimethyl formamide), butyl acetate, silica matting powder, modified amino siloxane, dimethicone, erucyl amide, polyurethane color beads and an organosilicon leveling agent. The finishing agent has the following advantages: the fogging surface matting effect is excellent, the silky wax feel is unique and the real leather effect of the leather surface is strong; and the synthetic leather applying the finishing agent has silky handfeel and excellent general effect.

The invention relates to a preparation method of high polymer materials, and particularly relates to a polyvinyl alcohol wire for fused deposition molding and a processing method of the polyvinyl alcohol wire. The polyvinyl alcohol wire comprises the following raw materials in parts by weight: 100 parts of polyvinyl alcohol resin, 20-40 parts of a plasticizer, 0.5-2 parts of an antioxidant, 5-10 parts of a heat stabilizer, 0.2-1 part of a lubricating agent and 0.1-0.5 part of an anti-blocking agent, wherein the anti-blocking agent is one of oleamide and erucyl amide. The polyvinyl alcohol wire disclosed by the invention has the advantages of high heat stability, good melt processing property, excellent mechanical property, stable wire diameter, good water solubility, simple production process, high efficiency and low cost.

The invention relates to a polypropylene composite material, which is a functional modified material prepared by using polypropylene (PP) as a main material and using toughening agent, silver-supported nano antibacterial agent and lubricating agent as additive modifying agent. In the formulation, each 100 portions of polypropylene (PP) by weight contain 1 to 25 portions of the toughening agent, 0.1 to 2 portions of the silver-supported nano antibacterial agent, and 1 to 5 portions of the lubricating agent. The toughening agent is metallocene polyethylene, the silver-supported nano antibacterial agent is silver-supported nano titanium dioxide or silver-supported nano zinc oxide, and the lubricating agent is erucyl amide or glycerol stearate or oleic amide. The low-temperature toughness of a base material is improved by toughening and modifying, the use of epoxy ethane is reduced or avoided by adding proper antibacterial agent, and the self-lubricating property of the material is improved by adding a surface lubricating material. The composite material has the advantages of reasonable formulation and stable property; and a prepared medical injector has the functions of low temperature resistance, bacteria resistance and self lubrication.

The invention discloses a polyethylene resin composition used for preparing bottle caps. The polyethylene resin composition is prepared by adding a composite smooth agent and nano zinc oxide into polyethylene resin, so that demands on smoothness are satisfied, and no peculiar smell is induced. The polyethylene resin composition comprises following ingredients: polyethylene resin, a certain proportion of a composition of erucyl amide and oleamide, polyethylene glycol, nano zinc oxide and an anti-oxidant.

The invention discloses an anti-adhesion and slipping agent master batch and a preparation method thereof. The formula of the anti-adhesion slipping agent master batch is prepared from 75 to 85 percent of carrier resin, 5 to 10 percent of an anti-adhesion agent, 5 to 10 percent of a slipping agent and 1 to 5 percent of a dispersing agent, wherein the anti-adhesion agent is spherical silicon aluminum oxide with the particle size of 5 to 10 [mu]m; the slipping agent is one or two of erucyl amide and oleamide; the dispersing agent is polyethylene wax with the number-average molecular weight of 3,000 to 5,000. The master batch is produced according to a conventional blending double-screw granulation process. The anti-adhesion and slipping agents in the anti-adhesion and slipping agent master batch are excellent in anti-adhesion performance, so that the friction coefficient of a thin film can be effectively reduced; the thin film is high in transparency and low in fuzzy degree; furthermore, the slipping agent is difficult to separate out.

The invention discloses a high elasticity nonwoven fabric and a production process thereof, wherein the high elasticity nonwoven fabric is a compound of three layers of spunbond nonwoven fabrics, each layer of the spunbond nonwoven fabrics is prepared from, by weight, 74%-96% of ethylene propylene hypocrystalline copolymer, 1.5%-24% of polypropylene, 0.029%-0.096% of polyethylene, 0.27%-1.08% of saturated erucyl amide, 0.04%-0.156% of phenols antioxidant and 0.04%-0.22% of phosphite ester antioxidant, and 0.38%-1.59% of titanium dioxide.

The invention discloses thermoplastic modified polyvinyl alcohol resin. The thermoplastic modified polyvinyl alcohol resin comprises an effective amount of carboxyl-modified polyvinyl alcohol, a plasticizer, soft water and a processing auxiliary agent. The carboxyl-modified polyvinyl alcohol is obtained by copolymerization of a vinyl acetate monomer and an unsaturated monomer containing carboxyl and then alcoholysis and has an alcoholysis degree of 95-99.9(mol)%, a polymerization degree of 1000-3500 and carboxyl content of 0.1-20mol%. The plasticizer is at least one of glycerol, polyethylene glycol and triethylene glycol di-2-ethylhexoate. The processing auxiliary agent is at least one of talcum powder, silica, erucyl amide and saturated aliphatic dicarboxylic acid ester. The thermoplastic carboxyl-modified high temperature water soluble polyvinyl alcohol resin has a melting temperature of 120-200 DEG C and a decomposition temperature of 300 DEG C or more, can be dissolved in water at a temperature of 80-90 DEG C, is colorless and transparent, does not produce yellowing and has excellent quality.

The invention discloses a PU (Poly Urethane) wear-resistant coating. The PU wear-resistant coating comprises a component A and a component B which are respectively packaged, wherein the component A is composed of the following materials: polyester resin, fluorinated ethyl silicate, epoxy resin, erucyl amide, polypropylene wax, teflon, corundum, molybdenum disulfide, YCK-5010 and phenyl silicone oil; the component B is a polyurethane prepolymer; the ratio of the component A to the component B is 2:(0.5-1). Because the epoxy resin, the polyester resin and the polyurethane prepolymer which are excellent in toughness are selected, a film-forming material has excellent toughness, and an organically modified inorganic material-fluorinated ethyl silicate is adopted for modification, the hardness and strength of the PU wear-resistant coating are also greatly increased. In the invention, wear-resistant agents including corundum and molybdenum disulfide are used, and various surface lubricating and anti-wear additives such as erucyl amide, YCK-5010 wax, polypropylene wax, teflon and phenyl silicone oil are added into the coating, so that the PU wear-resistant coating disclosed by the invention has excellent wear resistance and bearing and lubrication properties, and can have the effects of protecting surfaces, reducing the friction coefficient and prolonging the service lives of parts.

The invention relates to elastic material for preparing elastic and flexible toys, and particularly relates to elastic flexible glue. The elastic flexible glue comprises the following components by weight percentage: simethicone, super fine calcium carbonate, boric acid, TPR (thermal plastic rubber), zinc stearate, silicon resin, bentonite, barium carbonate, linseed oil and erucyl amide. The elastic flexible glue provided by the invention has good elasticity and proper bulking intensity; the surface of the elastic flexible glue is smooth, good in hand feel, adhesive, and tough, and has good aging resistance, high stability and long service life that is from 13 to 15 months; and the elastic and flexible toys made of the elastic flexible glue have high quality, and are playable and durable.

The invention discloses an aging-resistant PVC tubular product and a preparation method thereof. The aging-resistant PVC tubular product is prepared from the following raw materials in parts by weight: 100-150 parts of SG-3 PVC, 30-60 parts of an acrylonitrile-styrene-acrylate copolymer, 2-4 parts of triglycidyl isocyanurate, 10-15 parts of titanium dioxide, 15-20 parts of sericite in powder, 25-45 parts of polyether sulfone, 3-6 parts of polytetrafluoroethylene micropowder, 2-3 parts of tribasic aluminum sulfate, 1.5-2.5 parts of a barium cadmium zinc liquid compound stabilizer, 3-5 parts of erucyl amide, 4-7 parts of Fischer Tropsch wax, 1-2 parts of pyrithione zinc, 1-2 parts of bisphenol A phosphate, 5-10 parts of caustic-burned magnesia powder and 3-4 parts of auxiliaries. The PVC tubular product prepared by the preparation method disclosed by the invention not only has excellent ultraviolet aging resistance and mechanical property, but also has good heat resistance, corrosion resistance, wear resistance, impact resistance, environmental stress crack resistance and the like, and is free from deformation and cracking when being exposed to the sun for a long time and durable.

A modified polyamide composite membrane is formed by compounding a corona layer, a core layer and a heat seal layer, wherein the corona layer is prepared from polypropylene homopolymers, and is arranged on the upper surface of the core layer; the heat seal layer is arranged on the lower surface of the core layer; the core layer is prepared from modified polyamide, polypropylene copolymers, propylene-alpha olefin copolymers and an erucyl amide slipping agent; and the heat seal layer is prepared from copolypropylene resin, an erucyl amide slipping agent and a synthetic wollastonite anti-adhesion agent. Materials of all the layers are respectively added into a screw extruder to be melted, then are subjected to co-extrusion, tape casting and cooling molding by a connector and a die head, and next the materials are subjected to corona treatment, rolling, aging treatment, slitting and packing to obtain the finished product modified polyamide composite membrane. The compatibility of modified polyamide and polypropylene is good, the binding force among membrane layers is very strong, adhesive is not required, the production process is simplified, and the production cost is saved.

The invention relates to a rust proofing packaging film, in particular to a gas phase rust proofing industrial composite packaging film and a preparation method thereof. The gas phase rust proofing industrial composite packaging film comprises the compositions by weight proportion: 0 to 0.53 of drewamine, 0.12 to 0.42 of cyclohexane, 0.13 to 0.4 of dicyclohexylamine, 0.09 to 0.28 of phenylformic acid, 0.22 to 0.55 of tert-Butyl benzoic acid, 0 to 0.12 of cinnamylate, 29.5 to 45.1 of low density polyethylente, 29.5 to 45.1 of linear low density polyethylene, 0 to 0.02 of oleamide or erucyl amide and 0 to 0.12 of a diffusing impurity EB-FF. The gas phase rust proofing film has good barrier property and high intensity, saves cost, is nonpoisonous and harmless, prevents the pollution, and can be reused. The preparation method is simple and convenient, the process is easy to control and the production cost is low.

The invention discloses thermoplastic modified polyvinyl alcohol resin. The thermoplastic modified polyvinyl alcohol resin comprises vinyl-modified polyvinyl alcohol, a plasticizer, soft water and a processing auxiliary agent. The vinyl-modified polyvinyl alcohol is obtained by copolymerization of a vinyl acetate monomer and an unsaturated monomer containing vinyl and then alcoholysis and has an alcoholysis degree of 80.0-99.9(mol)%, a polymerization degree of 1000-3000 and a vinyl-containing unsaturated monomer modification amount of 0.1-20(mol)%. The plasticizer is at least one of glycerol, polyethylene glycol and triethylene glycol di-2-ethylhexoate. The processing auxiliary agent is at least one of talcum powder, silica, erucyl amide and saturated aliphatic dicarboxylic acid ester. The thermoplastic vinyl-modified polyvinyl alcohol resin has a melting temperature of 160-220 DEG C and a decomposition temperature of 320 DEG C or more, is colorless and transparent, does not produce yellowing and has excellent quality.

The invention provides sponge foaming rubber for a car door sealing strip and a preparation method thereof, a car door sealing strip and a preparation method thereof. The sponge foaming rubber for the car door sealing strip, provided by the invention, is prepared from the following components in parts by weight: 20 to 40 parts of ethylene-propylene-diene monomer 9090M, 69 to 92 parts of ethylene-propylene-diene monomer V8800, 5 to 7 parts of active zinc oxide, 1 to 2 parts of stearic acid, 1 to 3 parts of a dispersant, 0.8 to 1.4 parts of erucamide, 1 to 2 parts of PEG-4000 (Polyethylene Glycol-4000), 5 to 10 parts of POE (Polyolefin Elastomer), 60 to 77 parts of paraffin oil R-2291, 30 to 50 parts of carbon black N550, 50 to 70 parts of carbon black SP5000, 1.5 to 2.5 parts of sulfur S-80, 6 to 10 parts of a moisture absorbent GR, 3 to 6.4 parts of an accelerant, 3 to 3.6 parts of a foaming agent OBSH-75 (Oxydibenzenesulfonyl Hydrazide-75) and 1.1 to 1.5 parts of a foaming agent AC3000-75. By adopting a formula of the sponge foaming rubber for the car door sealing strip, provided by the invention, the prepared sponge rubber has relatively low density and can meet a lightweight design; meanwhile, the obtained rubber also can have relatively good physical performance, so that the utilization quality of the car door sealing strip utilizing the sponge foaming rubber can also be improved.

The invention discloses a low-friction and biaxially oriented polypropylene heat-sealing membrane and a manufacturing method thereof. Aiming at the problem of high friction coefficient of a conventional polypropylene heat-sealing membrane, the silicone is used as a high temperature slipping agent to make the membrane keep relatively low friction coefficient at various temperature, polybutylene terephthalate with the particle size of 2-3 [mu]m is used as an anti-blocking agent to make the membrane have an anti-blocking effect and to reduce the friction coefficient, and erucyl amide of a mixed antistatic agent is used in an interlayer which can be migrated to a surface layer so as to play a slipping role. The obtained low-friction and biaxially oriented polypropylene heat-sealing membrane has very good physical properties, with the friction coefficient of 0.12-0.15, and can meet the requirements of a high speed packaging machine.

The invention relates to thermoplastic carboxyl-modified normal-temperature-water-soluble polyvinyl alcohol resin. The polyvinyl alcohol resin is prepared from an effective quantity of carboxyl-modified polyvinyl alcohol, plasticizer, soft water and processing aid, wherein the carboxyl-modified polyvinyl alcohol is prepared through copolymerizing a vinyl acetate monomer and a carboxyl-containing unsaturated monomer and then carrying out alcoholysis and has the alcoholysis degree of 80.0-90.0(mol)%, the polymerization degree of 1,000-3,500 and the carboxyl content of 0.1-20mol%, the plasticizer is at least one of glycerol, polyglycol and triglycol diisooctoate, and the processing aid is at least one of talcum powder, silicon dioxide, erucyl amide and saturated aliphatic dicarboxylic ester. The prepared thermoplastic carboxyl-modified polyvinyl alcohol resin has the melting temperature of 120-200 DEG C, is soluble to water of 5-30 DEG C, has the decomposition temperature above 300 DEG C, is colorless and transparent, is free of yellowing and is excellent in quality.

The invention relates to the technical field of film materials, in particular to a super-transparent EVA film and a production method thereof. The super-transparent EVA film comprises, by weight, 100 parts of EVA particles and 2-5 parts of EVA opening smooth master batch. The EVA opening smooth master batch comprises, by weight, 100 parts of EVA particles, 5-10 parts of erucyl amide, 3-10 parts of smoothing agent, 3-5 parts of nano-silica, and 1-3 parts of fluoropolymer processing agent. The production method includes the steps of firstly, preparing the EVA opening smooth master batch; secondly, extrusion casting forming; thirdly, cooling and shaping. The super-transparent EVA film has the advantages that the EVA particles, the high-purity erucyl amide, the organic silicone smoothing agent, the nano-silica and the fluoropolymer processing agent of the super-transparent EVA film are complementary and have combined action, one-step extrusion forming is used, later surface processing is not needed, and when the produced super-transparent EVA film is 0.10-0.50 in thickness, the light transmittance of the EVA film can reach above 97%, the haze of the EVA film can reach below 7%, and the service life of the EVA film can reach more than 24 months.

The invention discloses a heat-resistant modified polylactic acid composite material composed of the following raw material components: polylactic acid, polybutylene succinate, polyadipic acid/butylene terephthalate, erucyl amide, acetyl tributyl citrate, a glycidyl methacrylate grafted ethyl methacrylate copolymer, an antioxidant 10760 and talcum powder. The heat resistance of the polylactic acidcomposite material is improved by three modes of introducing the fully biodegradable polybutylene succinate component with excellent temperature resistance, carrying out toughening treatment by adopting polyadipic acid/butylene terephthalate and promoting the crystallization behavior of a composite system by adopting superfine talcum powder; therefore, the application of the polylactic acid composite material in the field of disposable articles is adapted. A straw formed by extrusion molding of the composite material can be used for processing and preparation of hot drink packaging, and the application of the full-biomass degradable composite material in the field of disposable articles is expanded.

The invention relates to a low-dielectric-constant liquid crystal polymer composition and a preparation method thereof. The low-dielectric-constant liquid crystal polymer composition is prepared fromthe following raw materials: liquid crystal polymer A resin, liquid crystal polymer B resin, hydrogenated styrene-butadiene-styrene copolymer grafted maleic anhydride, hollow glass beads, a polyhedraloligomeric silsesquioxane polymer, a titanate coupling agent, polytetrafluoroethylene resin, a hyperbranched polyester polymer, erucyl amide, N, N-dimethylacetamide, N-dimethylacetamide, N-dimethylacetamide, N-dimethylacetamide, N-dimethylacetamide, N-dimethylacetamide and the like. According to the composition, N, N '-bis (2, 2, 6, 6-tetramethyl-4-piperidyl)-1, 3-benzenedicarboxamide and bis (2,6-di-tert-butyl-4-methylphenyl) pentaerythritol diphosphate are used as raw materials. The low-dielectric-constant liquid crystal polymer composition has excellent mechanical properties, processability and low dielectric constant, and can be applied to shells, cladding and protective materials and the like of 5G base stations, micro base station systems, data communication terminals, antennas andradio frequency modules.

This invention discloses a method for producing erucamide using a circulation reactor. The method comprises: reacting erucic acid and ammonia in the presence of catalyst. The production apparatus comprises a circulation reactor, a drier and an ammonia compressor connected to the top of the circulation reactor by pipelines, and a cavitation nozzle connected to the outlet of the ammonia compressor. The circulation reactor comprises: an outer cylinder with an expansion part at the upside, and a draft pipe with an aspect ratio of (2-5):1 set at the middle-downside of the outer cylinder. The outer cylinder comprises a gas-liquid-solid three-phase separator in the expansion part. The cavitation nozzle is set at the bottom of the outer cylinder and concentric to the draft pipe. Erucic acid and catalyst are introduced into the circulation reactor from the feeding mouth, and high-pressure ammonia is introduced with a linear speed of 5-40 m/s. The apparatus has such advantages as simple structure, recyclable ammonia, and high raw material mol. ratio during reaction, convenient operation, low energy consumption, and high erucamide yield.

The invention relates to modified polyurethane resin and a preparation method thereof. A component A of the modified polyurethane resin is prepared from the following components in percentage by mass: 8.5 to 10.0 percent of diphenyl methane-4,4'-diisocyanate; 13.5 to 15.6 percent of poly-1,4-butylene adipate glycol; 3.5 to 6.0 percent of dihydroxyl-terminated modified silicone oil; 1.3 to 2.0 percent of 1,4-butylene glycol; 49 to 56 percent of solvent; 14 to 21 percent of solvent 2; 0.02 to 0.03 percent of malic acid; 0.1 to 0.6 percent of erucyl amide; a component B of the modified polyurethane resin is prepared from the following components in percentage by mass: 3.5 to 6.5 percent of MDI-50; 2.2 to 4.5 percent of diphenyl methane-4,4'-diisocyanate; 1.8 to 6.5 percent of high activity polyether triol; 9.5 to 10.8 percent of poly(polyol adipate); 3.8 to 8.7 percent of tetrahydrofuran-ethylene oxide copolymerization diol; 1.1 to 1.7 percent of ethylene glycol; 49 to 56 percent of solvent; 14 to 21 percent of solvent 2. According to the modified polyurethane resin, the component A and component B are matched for use, so that excellent rebound resilience as well as real leather membrane feel and soft and smooth feel are realized; meanwhile, the breathability, hydrolysis and aging resistance, and wear and scrape resistance are excellent, and the modified polyurethane resin can be applied to the field of pure dry method clothing leather.