96 results about "Erucyl amide" patented technology

The invention belongs to the technical field of preparation of blocking removers, and particularly relates to a composite chelating blocking remover for an oil field and a preparation method of the composite chelating blocking remover. The composite chelating blocking remover for the oil field is prepared from the following raw materials in percentage by mass: 7 to 9 percent of 1-butyl-3-methylimidazole dodecyl sulfonate, 5 to 7 percent of erucamide propyl hydroxypropyl sulfobetaine, 3 to 4 percent of di-(2-ethylhexyl) sodium sulfosuccinate, 4 to 5 percent of ethylenediamine di-o-hydroxyphenylacetic acid, 5 to 7 percent of N, N '-di (2-hydroxybenzyl) ethylenediamine-N, N'-bis (2-hydroxybenzyl)-N, N '-bis (2-ethylhexyl)-N, N'-bis (2-hydroxybenzyl)-N, N '-bis (2-hydroxybenzyl)-N, N'-bis (2-hydroxyphenyl)-N, N '-bis (2-hydroxyphenyl)-N, N'-bis (2-hydroxyphenyl)-N The cleaning agent is prepared from the following components in percentage by weight: 3 to 4 percent of N, N '-diacetic acid, 2 to 3 percent of O-(3-(benzyloxy) propyl) hydroxylamine, 1 to 2 percent of heptadecenyl hydroxyethyl imidazoline quaternary ammonium salt, 1 to 1.5 percent of dimethyl diallyl ammonium chloride homopolymer and the balance of water. The composite chelating blocking remover for the oil field has excellent scale dissolution rate and paraffin inhibition rate when being applied to complex scale blocking removal of the oil field.

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

The invention discloses a negative ion antibacterial far infrared non-woven fabric and a production process thereof, and the negative ion antibacterial far infrared non-woven fabric comprises the following raw materials in parts by weight: 100 parts of polypropylene, 10-15 parts of modified polypropylene master batch, 3-5 parts of far infrared radiation filler and 0.1-0.5 part of antioxidant, the polypropylene non-woven fabric is modified by adding the modified polypropylene master batch and the far infrared radiation filler, the modified polypropylene master batch contains the modified nano composite powder and the pyridine group, the modified nano composite powder is obtained by compounding germanium oxide and tourmaline and then carrying out surface modification, and terminal double bonds and erucyl amide groups are introduced, so that the far infrared radiation non-woven fabric is obtained. And the far infrared radiation filler is doped powder of zirconium oxide doped with silver iodide, so that the non-woven fabric has good antibacterial and anti-pollution capability, negative ion release capability and far infrared ray absorption and radiation capability.

The invention relates to the field of high polymer materials, and particularly discloses a starch modified biodegradable plastic bag and a preparation method thereof. The starch modified biodegradable plastic bag is prepared from the following raw materials in parts by weight: 3 to 6 parts of PLA (polylactic acid) resin, 3 to 5 parts of talcum powder, 20 to 25 parts of starch, 60 to 65 parts of PBAT (poly (butylene adipate-co-terephthalate)) resin, 0.3 to 0.5 part of polyethylene wax, 0.2 to 0.4 part of erucyl amide, 2 to 4 parts of glycerol, 3.5 to 5 parts of water and 0.2 to 0.5 part of antioxidant. The plastic bag has the advantages of being good in starch dispersity, not prone to generating crystal points, high in surface quality, large in tensile strength and excellent in barrier property.

The invention discloses a pH-responsive alkaline clean fracturing fluid as well as a preparation method and application thereof, and belongs to the technical field of oil and gas field fracturing. The cleaning agent comprises the following components in parts by mass: 1-5 parts of an anionic surfactant, 1-5 parts of a zwitterionic surfactant, 0.2 part of a pH regulator and 100 parts of deionized water, wherein the anionic surfactant is sodium oleate or sodium stearate; the zwitterionic surfactant is erucyl amide propyl betaine or oleamide propyl betaine; and the surfactant is a surfactant. The pH regulator is any one of sodium hydroxide, potassium hydroxide and sodium bicarbonate. The fracturing fluid is a clean fracturing fluid system based on pH response type micelle dynamic reconstruction, and through the synergistic effect of a specific surfactant and a pH response mechanism, accurate and rapid regulation and control of viscosity, zero residue damage and construction process simplification are achieved; the technical problems that an existing surfactant fracturing fluid is complex in compounding process, cannot be recycled after gel breaking, is slow in gel breaking response and narrow in application range are solved.

The invention discloses a preparation method of an additive for a high-transparency polyethylene film, belongs to the technical field of polyethylene, and is used for solving the technical problems that in the prior art, the production cost of the high-transparency polyethylene film is high, and the aging resistance needs to be further improved. Comprising the following steps: mixing nucleating agent grafted quaternary ammonium salt modified nano silicon dioxide and low-density polyethylene, adding an initiator, carrying out melt grafting reaction in a double-screw extruder, and after the reaction is finished, extruding, cooling and granulating to obtain an intermediate I; and mixing the intermediate I, an antioxidant 168, an antioxidant 1076, zinc stearate, an antistatic agent 1800 and erucyl amide to obtain the additive for the high-transparency polyethylene film. The additive for the high-transparency polyethylene film prepared by the invention is mixed with low-density polyethylene, the processability is good, and the high-transparency polyethylene film with lower cost is obtained; the film not only has good transparency and tensile property, but also has good aging resistance.

A method for manufacturing polyvinyl alcohol fibers, comprising the steps of: providing a polyvinyl alcohol composition comprising: a homo-polyvinyl alcohol having a degree of hydrolysis of 88% to 98% or more and a weight average molecular weight of 14,000 to 22,000; a plasticizer selected from the group consisting of diglycerol, triglycerol, fructose, ribose, xylose, D-mannitol, triacetin, pentaerythritol, dipentaerythritol, methyl pentanediol, 1, 2-propanediol, 1, 4-butanediol, 2-hydroxy-1, 3-propanediol, 3-methyl-1, 3-butanediol, 3, 3-dimethyl-1, 3-butanediol, 1, 3-butanediol, 3, 3-dimethyl-1, 3-butanediol, 3, 3-dimethyl-1, 3-butanediol, 3, 3-dimethyl-1, 3-butanediol, 3, 3-dimethyl-1, 3-butanediol, 3, 3-dimethyl-1, 3-butanediol, 3, 3-dimethyl-1, 3-butanediol, 3, 3-dimethyl-1, 3-butanediol, 3, 3-dimethyl-1, 3-butanediol, 3 the component A is prepared from 1, 2-butanediol, polyethylene glycol 300, polyethylene glycol 400, alkoxylated polyethylene glycol, caprolactam, tricyclic trimethylolpropane methylal, abietate, erucyl amide and a mixture of 1, 2-butanediol, polyethylene glycol 300, polyethylene glycol 400, alkoxylated polyethylene glycol and caprolactam; and an optional stabilizer selected from the group consisting of sodium stearate, potassium oleate, sodium benzoate, calcium stearate, stearic acid, dimethyl, propionic acid, and mixtures thereof; melting the composition at a temperature of 200 DEG C to 230 DEG C to form a molten polymer; extruding the molten composition to form an extrudate; forming the extrudate into molten fibers; and solidifying the molten fibers to form solid fibers.

The present invention relates to the technical field of BOPP films, and particularly relates to an antistatic and wear-resistant BOPP functional film, which is directly co-extruded by biaxial stretching of an upper surface layer, a core layer, and a lower surface layer; wherein, both the upper surface layer and the lower surface layer are antistatic and wear-resistant layers; the preparation process of the antistatic and wear-resistant material includes the following steps: a polyether ester amide and an organosilicon compound containing epoxy groups at both ends undergo a ring-opening reaction in a molar ratio of 1:1 to obtain an organosilicon-modified polyether ester amide; the organosilicon-modified polyether ester amide and erucamide undergo a ring-opening reaction in a molar ratio of 1:1 to obtain an antistatic and wear-resistant material; the antistatic and wear-resistant material prepared by connecting the polyether ester amide and erucamide through an organosilicon compound in the present invention is added to the BOPP film, so that the BOPP film has the advantages of long-term antistatic property, wear resistance, and thermal stability at the same time.

The present disclosure generally relates to personal care product compositions comprising a fatty amide such as erucamide and / or derivatives thereof having a chemical formula ranging from C18H43NO to C40H79NO for use on hair and / or skin of a user. The disclosure also relates to methods for making such compositions. Such personal care products provide improved biodegradable properties, softer and smoother skin, softer, smoother and shinier hair, and hair with improved body and manageability, while reducing skin irritation and product build-up in the hair and on the skin than personal care products comprising cationic polymers and / or silicone compounds. The formulation of the personal care product may also include one or more additional ingredients such as water, glycerin, hydroxypropylmethylcellulose, glyceryl monostearate, cetyl alcohol, and glyceryl / polyglyceryl-3 caprylic / capric / lactic / lauric acid esters in various concentrations and / or combinations.

The embodiment of the invention discloses a plastic filling lubricating master batch and a preparation method thereof. The plastic filling lubricating master batch comprises a filling agent, a polypropylene material, a heat stabilizer, an antioxidant, a reaction accelerator, a modifier, an elastic material, a lubricant and a coupling agent, wherein the filling agent is calcium carbonate; the polypropylene material is polypropylene 7042; the heat stabilizer is compounded by zinc stearate and a beta-diketone auxiliary stabilizer; the antioxidant comprises a main antioxidant, an auxiliary antioxidant and a synergist; the reaction accelerant is a compound of stearic acid and citric acid; the modifier is PE wax and / or EBS; the elastic material is POE (Polyolefin Elastomer); the lubricant is prepared by compounding erucyl amide and modified polyethylene wax; the coupling agent is a titanate coupling agent.

Composition comprising from 68% to 75% by weight of at least one rigid (co)polyester selected from the group consisting of polybutylene succinate, polylactide, polyhydroxyalkanoate; from 25 to 35% by weight of at least one flexible (co)polyester selected from the group consisting of polybutyrate, poly(ε-caprolactone) and PBS copolymers; from 0.2 to 5% by weight of at least one hydrophobic additive selected from the group consisting of behenamide, erucamide, stearamide and oleamide; process for preparing a monolayer film from this composition by extrusion blowing; monolayer film obtained and bakery product packaging articles comprising the monolayer film. Figure to be published with the abstract: none

The invention discloses a detection reagent for detecting MHC-II expression of gastric cancer tissue tumor cells. The detection reagent comprises the following components in parts by mass: 10-30 parts of a paraffin section preparation solution, 2-10 parts of a dewaxing solution, 2-10 parts of a sodium citrate antigen repair solution and 20-40 parts of an immunohistochemical staining solution, the dewaxing liquid comprises xylene and at least one of a flavonol aminobenzoate derivative and erucyl amide benzoic acid benzyl trimethyl ammonium salt, the flavonol aminobenzoate derivative has a nitrogen-containing group and a benzene ring, and the erucyl amide benzoic acid benzyl trimethyl ammonium salt has long-chain unsaturated alkane and a nitrogen-containing group. The invention provides a detection reagent for detecting MHC-II expression of gastric cancer tissue tumor cells, and high-quality immunohistochemical staining sections can be obtained, so that the sensitivity and specificity of MHC-II expression detection are improved.

The application discloses a high-opening transparent polyethylene film, which is prepared from the following raw materials: 100 parts by mass of linear low-density polyethylene, 0.025-0.055 parts by mass of a compounded opening agent, 0.05-0.20 parts by mass of a slip agent and 0.05-0.20 parts by mass of an antioxidant; the compounded opening agent is compounded from silane-modified silicon dioxide, hydrated magnesium silicate and a cyclic olefin polymer, the mass ratio of the silicon dioxide, the hydrated magnesium silicate and the cyclic olefin polymer is 1:1:2-3:3:1, the slip agent is erucic acid amide, and the melt mass flow rate of the cyclic olefin polymer at 230 DEG C and under a load of 2.16KG is 3-10 g / 10min. By compounding the three opening agents, the amount of the silicon dioxide used is greatly reduced compared with the prior art.

The invention provides a preparation method of a multifunctional plant growth promoter, which comprises the following steps: S1, during use, preparing raw materials, mixing 0.5-5% by weight of oleamide and 0.1-0.5% by weight of erucyl amide, putting the mixture and 0.1-0.5% by weight of erucyl amide into a reaction kettle, and stirring; s2, after stirring, 0.4-2% by weight of tall oil is put into the reaction kettle to be stirred and continuously mixed; step S3, after mixing, adding 0.5 to 2.1 percent by weight of oleic acid; s4, adding a mixture of 1-5% by weight of lauryl sodium sulfate and 0.1-3% by weight of tridecanol polyether into the reaction kettle, and continuously stirring; s5, continuously adding a mixture of 0.3-1.5% by weight of sodium gluconate and 0.5-3% by weight of xylitol into the reaction kettle, and testing the temperature of the mixed liquid in the reaction kettle; s6, when the temperature of the liquid in the reaction kettle is reduced to 32-37 DEG C, testing the pH value in the reaction kettle; according to the invention, the absorption performance of plant cells can be improved, and crops can be assisted to quickly absorb sunlight, various nutritional ingredients, drug performance and water retention performance.

The present invention belongs to the technical field of polyurethane synthetic leather, and specifically relates to a reactive feel agent, a preparation method thereof, and an application. The reactive feel agent provided by the present invention comprises a dihydroxy-terminated silicone oil, oleic acid amide, and erucic acid amide; the dihydroxy-terminated silicone oil is obtained by a condensation reaction of a hydrogen-terminated silicone oil and an allyl alcohol polyether; the mass percentage of the erucic acid amide in the dihydroxy-terminated silicone oil is ≤10%; the mass percentage of the oleic acid amide in the dihydroxy-terminated silicone oil is ≤10%. The reactive feel agent provided by the present invention utilizes the dihydroxy-terminated silicone oil to introduce a polysiloxane chain segment into the polyurethane molecular structure through a chemical bond. By compounding a small amount of oleic acid amide and erucic acid amide, while not affecting the reaction activity of the dihydroxy-terminated silicone oil, an ideal comprehensive feel can be provided, that is, a touch effect similar to that of baby skin with elasticity, fullness, and softness.

The application discloses a low-molecular-weight hydrophobic associating polymer, and a molecular formula of the low-molecular-weight hydrophobic associating polymer is: wherein R is erucylamide propyl dimethyl quaternary amine, hexadecyl dimethyl quaternary amine, octadecyl dimethyl quaternary amine or behenyl dimethyl quaternary amine, x, y, z and m are monomer molar ratios, x is 69% to 80%, y is 16% to 23%, z is 3.5% to 7%, and m is 0.5% to 1%. The application further discloses a preparation method and application of the low-molecular-weight hydrophobic associating polymer. The fracturing fluid prepared from the low-molecular-weight hydrophobic associating polymer has excellent hydrophobic associating performance, shows the characteristics of low viscosity and high elasticity, can simultaneously meet the construction requirements of strong sand carrying capacity and easy pumping, and has a good application prospect in oilfield fracturing.

The invention relates to the technical field of BOPP (biaxially-oriented polypropylene) films, in particular to an antistatic and wear-resistant BOPP functional film which is prepared by biaxially stretching and directly co-extruding an upper surface layer, a core layer and a lower surface layer, wherein the upper surface layer and the lower surface layer are antistatic wear-resistant layers; the preparation process of the antistatic wear-resistant material comprises the following steps: carrying out a ring-opening reaction on polyether ester amide and an organosilicon compound containing epoxy groups at two ends according to a molar ratio of 1: 1 to obtain organosilicon modified polyether ester amide; the organic silicon modified polyether ester amide and erucyl amide are subjected to a ring-opening reaction according to the molar ratio of 1: 1, and the antistatic wear-resistant material is obtained; the antistatic wear-resistant material prepared by connecting the polyether ester amide and the erucyl amide through the organosilicon compound is added into the BOPP film, so that the BOPP film has the advantages of long-acting antistatic property, wear resistance and thermal stability at the same time.

The invention relates to a high-wear-resistance offset printing over-printing varnish for packaging and a preparation method thereof, and the formula of the high-wear-resistance offset printing over-printing varnish comprises phenol-free resin, linseed oil, tung oil, high-boiling-point aromatic-free solvent oil, polyethylene wax and an auxiliary agent, and also comprises erucyl amide; phenol-free resin is used in the gloss oil, so that the harm to the environment can be reduced; the erucyl amide is added, so that the printing performance of the gloss oil can be improved, and the wear resistance and scratch resistance of the gloss oil are improved. Compared with common offset printing gloss oil, the high-wear-resistance offset printing gloss oil provided by the invention is high in glossiness, good in wear resistance and good in drying performance, and a printed product is not easy to yellow after being used for printing; after the surface of a printed product is printed, the gloss of the printed product is improved, the printed product is well protected, abrasion is not prone to occurring, moisture is prevented, and the quality of the printed product can be effectively improved.

The invention provides high-flatness environment-friendly plastic woven tube cloth and a preparation method thereof, and relates to the technical field of plastic woven tube cloth. The high-flatness environment-friendly plastic woven tube cloth comprises a plastic woven tube cloth substrate, a one-way stress constraint layer and an elastic buffer transfer layer, the plastic woven tube cloth base is formed by interweaving regenerated PP flat filaments in a plain weave mode, the warp density is 10-12 pieces per inch, the weft density is 8-10 pieces per inch, and the monofilament thickness deviation is smaller than or equal to 3%; the unidirectional stress constraint layer is prepared from the following components in percentage by mass: 50%-55% of semi-crystalline PP resin, 25%-30% of directionally-arranged flaky nano talcum powder, 8%-10% of an anchoring type compatilizer, 3%-5% of a unidirectional constraint aid, 3%-5% of nano calcium carbonate and 0.5%-1% of an antioxidant 1010; the one-way constraint auxiliary agent is erucyl amide. And the elastic buffer layer disperses loads, no fracture layering exists under the large loads, the full-PP-based material can be recycled, and the requirements for environmental protection and high-end application are met.

The invention relates to an anti-sticky polypropylene material and a preparation method thereof, and belongs to the technical field of high polymer materials. 2, 5-dimercaptothiadiazole and vinyl dibutyl borate are subjected to a mercapto-olefin Michael addition reaction and then subjected to a Michael addition reaction with erucyl amide, erucyl amide and boric acid ester can be grafted to a molecular chain with thiadiazole as a core, the branching degree of the molecular chain is increased, and the molecular chain can be grafted with erucyl amide and boric acid ester. The erucyl amide unit in the additive can play the roles of a crystal nucleating agent and a lubricant, improve the crystallization rate of polypropylene, improve the mechanical property, and migrate to the surface of polypropylene to form a uniform lubricating layer and reduce the friction and adhesion of a polypropylene chain; and the additive has a branched structure and can be firmly embedded in a polypropylene matrix, so that the durability is improved. And a borate unit and a thiadiazole unit in the additive can also play a lubricating role and an anti-aging role, so that the scratch resistance and the anti-aging performance of the polypropylene material are further improved.

The invention relates to the technical field of recycled asphalt mixtures, and particularly discloses a recycled asphalt mixture with good durability and a preparation method thereof. The invention discloses a recycled asphalt mixture with good durability. The recycled asphalt mixture is prepared from 60-80 parts of a waste asphalt mixture reclaimed material, 4-7 parts of new asphalt, 15-18 parts of a new aggregate, 2-5 parts of fibers, 3-7 parts of a regenerant and 2-5 parts of filler, wherein the regenerant is prepared from aromatic hydrocarbon oil, triethylene glycol di-2-ethylhexoate, 2-ethylhexyl diphenyl phosphate, dioctyl terephthalate, epoxidized soybean oil, dipropylene glycol methyl ether acetate, polymethylene polyphenyl polyisocyanate, oleic acid hydroxyethyl imidazoline, 0 erucyl amide and barium petroleum sulfonate. The recycled asphalt mixture provided by the invention can effectively resist generation of diseases such as ruts and cracks, the service life of a road is remarkably prolonged, and the maintenance cost of the road is reduced.

The invention discloses a protective film for improving the surface function of a glass fiber reinforced polypropylene base material as well as a preparation method and application of the protective film. The protective film comprises the following raw materials: matrix resin; the reinforcing filler comprises wollastonite and boron nitride, and based on the mass of the matrix resin, the reinforcing filler accounts for 5-20 wt% of the mass of the matrix resin; the functional material comprises an organic silicon modified polyurethane elastomer and erucyl amide, and based on the mass of the matrix resin, the mass of the functional material accounts for 3-16 wt% of the mass of the matrix resin; and the assistant accounts for 0.1-5wt% of the mass of the matrix resin on the basis of the mass of the matrix resin. And the protection film and the bottom protection plate are combined through integrated hot press molding. According to the invention, the protection performance comparable to that of metal and function extension beyond that of a traditional composite material are realized on the glass fiber reinforced polypropylene base material, and popularization and application of the glass fiber reinforced polypropylene base material in the field of bottom guard plates are facilitated.

A method of making a nonwoven product comprising polyvinyl alcohol fibers, the method comprising the steps of: providing a polyvinyl alcohol composition comprising a homo-polyving akohol having a degree of hydrolysis of 88 wt% to 98 wt% or more and a molecular weight of 22,000 to 38,000; a plasticizer selected from the group consisting of diglycerol, triglycerol, fructose, ribose, xylose, D-mannitol, triacetin, pentaerythritol, dipentaerythritol, methyl pentanediol, 1, 2-propanediol, 1, 4-butanediol, 2-hydroxy-1, 3-propanediol, 3-methyl-1, 3-butanediol, 3, 3-dimethyl-1, 3-butanediol, 1, 3-butanediol, 3, 3-dimethyl-1, 3-butanediol, 3, 3-dimethyl-1, 3-butanediol, 3, 3-dimethyl-1, 3-butanediol, 3, 3-dimethyl-1, 3-butanediol, 3, 3-dimethyl-1, 3-butanediol, 3, 3-dimethyl-1, 3-butanediol, 3, 3-dimethyl-1, 3-butanediol, 3, 3-dimethyl-1, 3-butanediol, 3 the component A is prepared from 1, 2-butanediol, polyethylene glycol 300, polyethylene glycol 400, alkoxylated polyethylene glycol, caprolactam, tricyclic trimethylolpropane methylal, abietate, erucyl amide and a mixture of 1, 2-butanediol, polyethylene glycol 300, polyethylene glycol 400, alkoxylated polyethylene glycol and caprolactam; and a stabilizer selected from the group consisting of sodium stearate, potassium oleate, sodium benzoate, calcium stearate, stearic acid, dimethyl pentanediol, propionic acid, and mixtures thereof; melting the composition at a temperature of 190 DEG C to 250 DEG C; extruding the molten composition to form an extrudate; forming the extrudate into molten fibers; stretching the molten fibers to form individual molten fibers or molten fiber bundles; and solidifying the molten fibers to form solid fibers or solid fiber bundles.

The present invention discloses a long-term stable high-temperature drag reducer and its preparation method, belonging to the technical field of pipeline turbulent drag reduction. The steps include fully dispersing 20%-30% of erucylamide propyl trimethyl ammonium chloride in water, then adding 60%-75% of the stabilizer sodium salicylate and stirring well, and finally adding 1%-3% of the defoamer and 2%-3% of the preservative. By adopting the above-mentioned long-term stable high-temperature drag reducer and its preparation method, the present invention has a high drag reduction rate at 60-110°C, strong stability, strong shear recovery, low cost, easy operation, and a long drag reduction life, and can maintain effective drag reduction for at least two months.

The invention provides a degradable environment-friendly membrane material and a preparation method thereof. The degradable environment-friendly membrane material is prepared from a first PBS (Phosphate Buffer Solution) layer, a gel layer and a second PBS layer, wherein the gel layer is prepared from the following components in parts by weight: 1 to 10 parts of carrageenan, 1 to 5 parts of cellulose, 0.1 to 1 part of erucyl amide, 0.1 to 1 part of surfactant and 0.1 to 1 part of carbon nano tube. According to the degradable environment-friendly membrane material and the preparation method thereof provided by the invention, the membrane material is green, environment-friendly and degradable, reduces pollution to the environment, is high in biological decomposition rate, high in strength and low in cost, has the use characteristics of traditional plastic membranes, and can achieve the purpose of complete biodegradation without specific conditions.

The present application belongs to the technical field of analysis and detection, and particularly relates to a determination method of erucamide in erucamide product. The present application dissolves the erucamide to be detected into a solution, then injects into a gas chromatograph instrument for quantitative detection, obtains a gas chromatogram, and calculates the content of erucamide in the erucamide product to be detected according to the area normalization method. The determination method of the present application can separate the erucamide in the erucamide product to be detected without interference, and accurately detect the content. The data of the examples show that the absolute deviation of the determination method provided by the present application is between-0.5 and +0.5, indicating that the determination method of the present application is accurate and reliable, has the advantages of high sensitivity, strong resolution and fast analysis speed, and is suitable for production process monitoring and product quality detection control.

This application relates to the technical field of polymer materials, and specifically discloses a foaming material composition and its preparation process. The foaming material composition includes 60 - 80 parts by mass of a matrix material, 10 - 20 parts by mass of metallocene polyethylene, 15 - 25 parts by mass of modified polyamide, 6 - 10 parts by mass of modified silicone resin micropowder, 4 - 8 parts by mass of a compatibilizer, 1.5 - 3 parts by mass of a foaming agent, 0.5 - 1.2 parts by mass of a foaming aid, 0.5 - 1.5 parts by mass of erucic acid amide, and 0.3 - 0.5 parts by mass of an antioxidant; the matrix material includes polypropylene and high impact polypropylene. The foaming material composition prepared in this application has good mechanical properties at both normal and low temperatures.

The invention relates to a bicomponent fiber comprising a first component comprising a first polypropylene homopolymer and a second component comprising a second polypropylene homopolymer and a slip agent, wherein the slip agent is selected from the group consisting of stearyl erucamide, polyol esters of monocarboxylic acids, pentaerythritol monooleate, saturated and unsaturated fatty acid amides or ethylenebis(amides), glycols, polyether polyols, adipic acid and sebacic acid and combinations thereof and wherein the amount of the slip agent with respect to the second component is 0.05 to 1.00 wt%, wherein the first component has a melt flow index MFI1 determined according to ISO 1133-1:2011 at 230 ⁰C and 2.16 kg and the second component has a melt flow index MFI2 determined according to ISO 1133-1:2011 at 230 ⁰C and 2.16 kg of MFI2 and the difference between MFI1 and MFI2 is 0.0 to 25.0 dg / min

The invention relates to the technical field of functional polyethylene, in particular to high-transparency easy-to-open linear low-density polyethylene and a preparation process thereof. The high-transparency easy-to-open linear low-density polyethylene comprises the following raw materials: linear low-density polyethylene, an antioxidant, an ultraviolet light absorber, an acid acceptor, an antistatic agent, an anti-blocking agent and a slipping agent, the anti-blocking agent is silicon dioxide, the slipping agent is erucyl amide, the ultraviolet light absorber is 2-hydroxy-4-n-octyloxybenzophenone, the acid acceptor is 2-hydroxy-4-n-octyloxybenzophenone, and the antistatic agent is 2-hydroxy-4-n-octyloxybenzophenone. The anti-blocking agent, the slipping agent and the ultraviolet light absorber are added in the form of a complex, a silane coupling agent is added in the complex, and the silane coupling agent contains an epoxy group. The high-transparency easy-to-open linear low-density polyethylene disclosed by the invention has excellent transparency and opening property.

An object of the present invention is to provide a polyolefin resin pellet with less generation of fine powder. A pellet which is a polyolefin resin pellet containing a polyolefin resin, erucic acid amide, and a fatty acid amide having 20 or less carbon atoms, wherein when the total amount of the erucic acid amide and the fatty acid amide having 20 or less carbon atoms is set to 100% by mass, the content of the fatty acid amide having 20 or less carbon atoms is 1% to 6% by mass.