3779 results about "Masterbatch" patented technology

The invention discloses a high temperature and high pressure resistant electric power tube and a preparation method thereof, the electric power tube comprises the following raw materials by weight: 100-120 parts of polyethylene master batch, 5-10 parts of a modifier, 0.5-1 part of benzoyl peroxide and 20-30 parts of a modified filler, in a melt extrusion process of the raw materials, a maleimide structure on a molecular side chain of the modifier can be grafted with a polyethylene molecular chain, and the molecular chain of the modifier can be grafted with the polyethylene molecular chain. Meanwhile, an organic silicon chain segment and a benzene ring structure are added in a polymer molecule, the high-temperature-resistant effect of the material is improved, after reflux treatment in water, a siloxane structure in the modified filler and a siloxane structure in a modifier molecule can be subjected to hydrolytic condensation, and therefore the high-temperature-resistant and high-pressure-resistant effects of the material are improved. According to the invention, polyhedral oligomeric silsesquioxane is taken as a core, boron nitride is taken as a shell to form a core-shell structure, and the three-dimensional grid structure of the polymer can greatly improve the high-temperature-resistant and high-pressure-resistant effects of the polymer.

The present invention discloses a high-performance base film for composite current collector and a preparation method thereof, the method comprising the following steps: S1, mixing PP masterbatch with composite modified auxiliary particles, melt extruding, cooling to obtain a cast sheet; S2, preheating the cast sheet and biaxially stretching it to obtain a stretched sheet; S3, heat setting, cooling, and obtaining a rough product; S4, performing surface corona treatment on the rough product; S5, winding, aging treatment, and slitting to obtain a high-performance base film for composite current collector. The present invention can well solve the problem of poor copper adhesion of conventional PP base films, and can also significantly improve the flame retardant properties and tensile strength of the PP base film, which is conducive to promoting the large-scale application of PP materials in composite current collector base films.

The invention relates to the technical field of control systems, in particular to a melt mixing parameter real-time feedback control system for color master batch production. The method comprises the following steps: acquiring a corresponding process parameter reference through a parameter reference setting module; carrying out risk assessment through a grading module to obtain risk grades and carrying out grading processing; constructing a global optimization model through a control sequence module; a target evolutionary algorithm is started in combination with the technological parameter benchmark, and the technological parameter adjustment amount is calculated and a regulation and control sequence is generated by analyzing the dynamic coupling correlation among the technological parameters and the comprehensive influence on the whole; and finally, the process parameters are adjusted through a closed-loop control module, and real-time closed-loop feedback control is formed. The defects exist in real-time feedback and accurate control links of parameters in a color master batch melting and mixing process. Therefore, the invention provides a melt mixing parameter real-time feedback control system for color master batch production.

Disclosed in the present invention are a PET release film base film having low surface roughness and a preparation method therefor. The release film base film comprises three layers which are stacked: a core layer and two surface layers located on both sides of the core layer. The release film base film is obtained via three-layer co-extrusion by means of taking an auxiliary extrusion resin as a raw material of the two surface layers and a primary extrusion resin as a raw material of the core layer; the auxiliary extrusion resin is obtained by mixing an anti-blocking agent PET masterbatch and a PET base material in a mass ratio of 1:5-1:15; and the primary extrusion resin is a pure PET base material. The release film base film of the present invention has low surface roughness, low haze and excellent overall performance. Since large-particle benzoic acid-modified nano aluminum oxide has the refractive index very close to that of PET base films, the present invention can effectively avoid adverse visual impacts caused by a difference in the refractive index at interfaces between nanoparticles having large particle diameters and resin matrixes, thus effectively reducing the haze.

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

The invention relates to the technical field of visual detection, in particular to a color master batch color detection method and device, computer equipment and a storage medium, and the color master batch color detection method comprises the following steps: obtaining to-be-detected environment data, and obtaining environment illumination intensity and environment illumination direction from the to-be-detected environment data; obtaining the color of a to-be-detected color master batch, obtaining corresponding detection environment requirement data according to the color of the to-be-detected color master batch, and comparing the detection environment requirement data with the environment illumination intensity and the environment illumination direction to obtain an illumination comparison result; adjusting the to-be-detected environment data according to an illumination comparison result, obtaining a color master batch detection image, and performing spectrum detection on the color master batch detection image to obtain a color difference detection result; and analyzing the chromatic aberration detection result, obtaining an abnormal chromatic aberration position according to a corresponding analysis result, and marking according to the abnormal chromatic aberration position. The method has the effect of improving the color detection precision of the color master batch.

The invention aims to solve the manufacturing problem of a biodegradable air-conditioning film, and discloses a biodegradable air-conditioning film with a multilayer structure, the biodegradable air-conditioning film comprises a first surface layer, a middle layer and a second surface layer, the air-conditioning film is sequentially formed by the first surface layer, the middle layer and the second surface layer through a co-extrusion process, and the first surface layer and the second surface layer are prepared from polylactic acid (PLA), polycaprolactone (PCL), polylactic acid (PLA), polycaprolactone (PCL) and polylactic acid (PLA). The biodegradable plastic polyester is one or more of poly (butylene terephthalate) or butylene adipate (PBAT), poly (butylene succinate) (PBS) and polyhydroxyalkanoate (PHA), the functional master batch is used as an auxiliary material (the addition amount is greater than or equal to 1%), and a small amount of auxiliary agent (the addition amount is less than 1%) is added; the middle layer takes polycarbon dioxide (PPC) as a main material, takes functional master batch as an auxiliary material (the addition amount is greater than or equal to 1%), and is added with a small amount of auxiliaries (the addition amount is less than 1%). The composite film is produced through a three-layer film co-extrusion process, meanwhile, a co-blowing process can be carried out, in-mold compounding and out-mold compounding can be carried out, and operation is more convenient.

The invention relates to the technical field of photovoltaic module packaging, in particular to a corrosion-resistant EVA (Ethylene Vinyl Acetate) packaging adhesive film which is prepared by the following method: uniformly mixing 100 parts by weight of ethylene-vinyl acetate copolymer, 0.8-2 parts by weight of cross-linking agent, 0.1-0.3 part by weight of antioxidant, 0.1-0.3 part by weight of light stabilizer, 0.3-3 parts by weight of silane coupling agent and 0.4-1 part by weight of acid remover; and extruding in a single-screw extruder at the temperature of 95 DEG C to prepare the EVA packaging adhesive film with the thickness of about 0.5-0.7 mm. According to the invention, the deacidification agent is added, and the deacidification agent comprises magnesium hydroxide master batch and polycarbodiimide master batch; after the acid remover is used, the content of acetic acid after the adhesive film is aged is reduced, and the corrosion resistance of the adhesive film is improved.

The present application relates to the field of polyethylene films, and particularly discloses a multifunctional polyethylene breathable film and a preparation method therefor. The multifunctional polyethylene breathable film comprises the following raw materials in percentage by weight: 15%-30% of linear low-density polyethylene, 15%-40% of metallocene linear low-density polyethylene, 5%-10% of low-density polyethylene, 30%-50% of breathable masterbatch, 2%-10% of antistatic masterbatch, 2%-10% of antibacterial masterbatch, 5%-10% of flame-retardant masterbatch, and 2%-5% of color masterbatch. The preparation method for the multifunctional polyethylene breathable film comprises the following steps: mixing linear low-density polyethylene, metallocene linear low-density polyethylene, low-density polyethylene, breathable masterbatch, antistatic masterbatch, antibacterial masterbatch, flame-retardant masterbatch, and color masterbatch according to a formula ratio, performing melt extrusion, performing blow molding, drawing and stretching to form a film, and performing corona treatment. The prepared breathable film not only has good breathability and mechanical properties, but also has excellent antistatic, flame-retardant and antibacterial functions.

This case relates to a self-healing optical film and its preparation method. The optical film is made by adding a nanoparticle suspension to PET masterbatch as the main material during its melt extrusion process, resulting in a cast sheet. After biaxial stretching, a self-healing coating liquid is coated online, followed by shaping and cooling. The nanoparticle suspension includes nano-titanium oxide, MAH-PET polymer, ATO nanoparticles, and titanate coupling agent. The self-healing coating liquid is produced by core-shell emulsion polymerization, forming a nano-silica hard core and an acrylate functional monomer polymer soft shell. This invention adds the nanoparticle suspension by in-situ feeding in the middle of the extruder, reducing steps, improving dispersion uniformity, and making the film surface smoother. Then, the self-healing coating liquid is applied online after longitudinal stretching and before transverse stretching, forming a film on the film surface, improving the hardness and scratch resistance of the film material, enabling rapid self-healing at room temperature, strong stability, and avoiding the occurrence of rainbow patterns.

The invention discloses a polyethylene composite material as well as a preparation method and application thereof, and belongs to the technical field of high polymer materials. The polyethylene composite material comprises the following components in parts by weight: 100 parts of high-density polyethylene, 6-20 parts of a high-density polyethylene reclaimed material, 3-16 parts of ultra-high molecular weight polyethylene, 1-6 parts of a compatilizer, 1-2 parts of an inorganic filler and 1-2 parts of a flow modifier, 2-3 parts of color master batch; wherein the viscosity average relative molecular weight of the ultra-high molecular weight polyethylene is 1,000,000-2,000,000, and the test standard is ASTM (American Society for Testing Material) D4020. According to the polyethylene composite material disclosed by the invention, part of the high-density polyethylene recycled material is doped, and the interface bonding force between the new high-density polyethylene material and the high-density polyethylene recycled material is improved through the synergistic effect of the ultra-high molecular weight polyethylene, the compatilizer and the inorganic filler; the mechanical property and the wear-resisting property of the polyethylene composite material doped with the high-density polyethylene reclaimed material are improved.

The invention provides a long glass fiber reinforced flame-retardant ceramic polypropylene material and a preparation method thereof. Comprising the following components in parts by weight: 0-20 parts of polypropylene, 30-60 parts of flame-retardant long glass fiber master batch and 40-70 parts of ceramic master batch. According to the invention, the multi-gradient melting point glass powder, the phosphorus flame retardant, the tetrapod-like zinc oxide whisker, the long glass fiber and the ceramic forming filler are matched, so that a carbon layer can be kept compact in structure and high in structural strength during combustion, resists flame pressure and is not damaged; an interlayer structure blocks a heat conduction path, the back surface temperature is obviously reduced, and the material is prevented from softening and collapsing. The obvious effects of ablation resistance, good processing, high strength, good flame retardance, low cost and light weight are achieved.

Provided is a wet masterbatch production method capable of producing a wet masterbatch which exhibits excellent dispersion properties with respect to fillers containing recovered carbon black and thus contributes to improving sustainability. Specifically provided is a wet masterbatch production method characterized by comprising: a slurry preparation step for preparing a slurry solution by dispersing a filler containing recovered carbon black in water; a mixing step for mixing the slurry solution and a rubber latex solution; and a stirring step for stirring the slurry solution and the rubber latex solution subsequent to the mixing step in a liquid phase.

The invention belongs to the technical field of high polymer materials. The invention particularly relates to a halogen-free flame-retardant ablation-resistant polypropylene composite material as well as a preparation method and application thereof. The polypropylene composite material comprises 40-60% of flame-retardant modified master batch and 40-60% of long glass fiber reinforced polypropylene master batch, the flame-retardant modified master batch is prepared from the following raw materials in parts by weight: 24-44 parts of polypropylene resin, 5-15 parts of PPE resin, 2-5 parts of a compatilizer, 20-40 parts of piperazine substances, 10-20 parts of ammonium phosphate substances, 4-8 parts of surface modified superfine aluminum hydroxide and 0.3-1.5 parts of a processing aid. The content of the long glass fibers in the long glass fiber reinforced polypropylene master batch is 40-60wt%. PPE resin is introduced into a polypropylene halogen-free flame-retardant system, modified superfine aluminum hydroxide is compounded, halogen-free flame-retardant master batches and long glass fiber reinforced polypropylene master batches are uniformly compounded in proportion, and the halogen-free flame-retardant ablation-resistant material is obtained. While the high flame retardance of the material is maintained, the ablation resistance can be greatly improved, and the material is not burnt through after being continuously burnt for 10 minutes by a flame spray gun at the temperature of 1300 DEG C.

The invention discloses a talcum powder filled regenerated polypropylene composite material and a preparation method thereof, and relates to the technical field of regenerated polypropylene. The talcum powder filled regenerated polypropylene composite material comprises the following raw materials in parts by mass: 100 parts of regenerated polypropylene, 15-18 parts of a nucleating agent, 8-10 parts of a cross-linking agent, 0.1-0.3 part of an initiator, 0.5-1 part of an antioxidant, 0.5-0.7 part of a light stabilizer and 1-2 parts of a lubricant. The regenerated polypropylene comprises a regenerated polypropylene master batch and a modified polypropylene master batch in a mass ratio of 1: (1-2); the nucleating agent comprises modified talcum powder and an organic carboxylate nucleating agent in a mass ratio of 50: (1-2). According to the regenerated polypropylene composite material provided by the invention, the mechanical property of regenerated polypropylene is remarkably improved, and the generation of volatile irritant gas after processing is reduced.

The invention discloses a high-strength nano composite stiffening filling master batch and a preparation method thereof, and relates to the technical field of high polymer materials, the raw materials comprise a nano filler, a matrix material and a functional additive; the nano filler comprises nano diamond, nano silicon carbide and bio-based nano cellulose, the base material comprises polyimide, polyether-ether-ketone and bio-based polylactic acid, and the functional additive comprises a hindered phenol antioxidant, a nano aluminum hydroxide flame retardant, a nano silicon dioxide reinforcing agent, an ultraviolet light absorber, a carbon nano tube and nano silver particles. Nano-diamond, nano-silicon carbide and bio-based nano-cellulose are adopted as nano-fillers, polyimide, polyether-ether-ketone and bio-based polylactic acid are combined as base materials, and a plurality of functional additives are added, so that the preparation of the high-strength nano-composite stiffening filling master batch is realized; and the problems of poor dispersibility, mechanical property damage, insufficient hardness and poor interface bonding of the traditional filler master batch can be solved.

The invention discloses a double-sided composite ultrahigh-viscosity self-adhesive film, a production process and equipment, the self-adhesive film comprises a base material layer and an adhesive layer, and the base material layer comprises a surface layer, a middle layer and a bottom layer; the formula of the surface layer comprises 90% of LDPE (Low-Density Polyethylene) and 10% of Exfin; the Exfin is a three-well chemical'silicon-like polyolefin copolymerization master batch '; the formula of the middle layer comprises 70% of LLDPE, 20% of LDPE and 10% of rim charge; and the formula of the bottom layer comprises 95% of LDPE and 5% of SEBS. And the formula of the adhesive layer comprises the following components: 30 parts of SEBS, 40-60 parts of tackifying resin, 10-20 parts of white oil, 1 part of fumed silica and 0.5 part of antioxidant 1010. According to the production process, casting co-extrusion is combined with a coating system, multi-layer materials with great difference can be stably subjected to interlayer melting convergence to form the ultrahigh-viscosity protective film at a time, and the production efficiency is greatly improved.

The present invention relates to a graphene-modified multifunctional polyester fiber and a preparation method and an application in down filling, belonging to the technical field of down filling. The preparation method of the present invention comprises the following steps: S1, under the action of an acid binding agent, trimethylolethane and phosphorus oxychloride are reacted in a solvent in the first stage, and then graphene oxide is added for the second stage reaction to obtain modified graphene oxide; S2, the modified graphene oxide and polyester powder are granulated to obtain a multifunctional polyester masterbatch; S3, the multifunctional polyester masterbatch and polyester slices are spun to obtain a graphene-modified multifunctional polyester fiber. The far-infrared normal emissivity of the graphene-modified multifunctional polyester fiber is 0.89-0.92, the far-infrared radiation temperature rise is 2.3℃-3.1℃, the limiting oxygen index reaches 28.3%-29.0%, the antibacterial performance is higher than 99.9%, and the breaking strength is 3.2cN / detx-3.4cN / detx.

The invention relates to a polyethylene and silica gel mixed material, a preparation method thereof and application of the polyethylene and silica gel mixed material in a composite optical cable silicon core tube. The composite material comprises the following components in parts by weight: high-density polyethylene, an ethylene-siloxane copolymer elastomer, a maleic anhydride grafted polyolefin elastomer, hydroxylated nano silicon dioxide, liquid paraffin, a crystallization nucleating agent, an ultraviolet light absorber, an auxiliary stabilizer, a processing aid and color master batch. The liquid paraffin is formed by blending dual-molecular-weight paraffin with different carbon chain lengths, and part of the liquid paraffin is grafted and modified by polybutylene so as to enhance the anchoring capacity of the lubricating phase; in addition, nano cellulose crystals grafted by a PEG-PCL (Polyethylene Glycol-Polycaprolactone) block copolymer are introduced, so that the dimensional stability and the interface structure integrity of the material are synergistically enhanced. The composite material has excellent low friction, thermal oxidation stability, creep resistance and ultraviolet aging resistance, and is suitable for preparation of a high-performance composite optical cable silicon core tube.

The invention discloses a degradable environment-friendly modified plastic master batch and a preparation method thereof, and belongs to the technical field of plastic master batches, the plastic master batch comprises the following raw materials by weight: 100 parts of polypropylene, 40-50 parts of polylactic acid, 10-20 parts of MOFs modified carbon fiber, 5-10 parts of a compatibilizer, and 1-3 parts of an antioxidant; and the compatibilizer is 2-methacryloyloxyethyl phosphorylcholine grafted polypropylene. The preparation method comprises the following steps: uniformly mixing the raw materials, and carrying out melt extrusion. Polypropylene and polylactic acid are used as basic resin, 2-methacryloyloxyethyl phosphorylcholine grafted polypropylene is used as a compatibilizer, and MOFs modified carbon fiber is used as a reinforcing material to prepare the modified plastic master batch which has good biodegradability and mechanical properties; the method has obvious performance advantages and technical competitiveness in practical application.

The invention provides a chemical bonding type rare earth light conversion film and a preparation method and application thereof, and the preparation method comprises the following steps: (1) mixing a rare earth light conversion material, a photoinitiator and master batch resin, and extruding to obtain a rare earth light conversion master batch; and (2) mixing the rare earth light conversion master batch obtained in the step (1) with matrix resin, and extruding to obtain the chemical bonding type rare earth light conversion film, the molecular structure of the rare earth light conversion material contains unsaturated double bonds; in at least one of the step (1) and the step (2), the step of ultraviolet irradiation is further included after extrusion is finished. According to the preparation method, the chemical bonding type rare earth light conversion film is prevented from being prepared in a mode of firstly polymerizing and then coordinating or firstly coordinating and then polymerizing, the process is simple, the cost is low, the migration, agglomeration and overflow phenomena of the rare earth light conversion material in the light conversion film can be greatly reduced, the light conversion service life of the light conversion film can be greatly prolonged, and the aging resistance of the light conversion film can be greatly improved.

The invention discloses an ink-friendly BOPP (Biaxially-oriented Polypropylene) film as well as a preparation method and application thereof, and relates to the field of organic materials. The BOPP film comprises polypropylene A, white master batch and foaming master batch; the white master batch comprises polypropylene B, nuclear titanium dioxide, PE wax, a dispersing agent and a blue pigment. In the white master batch, the nuclear titanium dioxide is used for replacing titanium dioxide, so that the flowability of the master batch can be improved, the filter pressing value can be reduced, the pressure in front of a filter screen is small, the current load is low, the continuous film breaking time is delayed in the preparation process of the BOPP film, and the production smoothness is improved; the core titanium dioxide is not easy to agglomerate in a polypropylene system, so that the core titanium dioxide is uniformly dispersed, and due to the irregular structure that small balls coat large balls specific to the core titanium dioxide particles, porous gaps are formed in the BOPP film, the porosity is improved, the film density is obviously reduced, the addition amount of foaming master batches can be reduced, and the prepared BOPP film is high in surface roughness, high in ink adhesion and good in mechanical property. And the BOPP film is excellent in performance.

The invention discloses a preparation method and application of a heat-resistant halogen-free flame-retardant modified polycarbonate film, and belongs to the technical field of polycarbonate films. Comprising the following raw materials in parts by weight: 80-97 parts of a polycarbonate raw material, 0.05-2 parts of a dispersing agent, 0.3-0.6 part of a sulfonate flame retardant, 0.5-2 parts of an organic silicon flame retardant, 0.2-0.5 part of an anti-dripping agent, 0.05-0.2 part of a dispersing agent, 0.1-1 part of a release agent, 0.05-1 part of an antioxidant and 1-4 parts of black masterbatch. Wherein the dispersing agent and the release agent can improve the processing stability and film forming; the antioxidant can play a synergistic role, so that the oxidation resistance of the film is improved; the black master batch ensures that the film product is lightproof; the organic silicon flame retardant can improve the heat resistance and mechanical property of the film, can play a synergistic role with the sulfonate flame retardant and the anti-dripping agent, enhances the flame retardant property of the film, is stable in performance and not prone to falling off, and has application value in the new energy battery and energy storage industry.

The invention relates to a low-temperature anti-wrinkle biaxially oriented polypropylene label film and a preparation method thereof, and belongs to the technical field of label films. The low-temperature anti-wrinkle biaxially oriented polypropylene label film comprises an upper surface layer, a middle layer and a lower surface layer which are arranged in sequence, the upper surface layer is prepared from co-polypropylene, high-density polyethylene and 20 to 30 weight percent of trifluoroethyl acrylate copolymer; and the middle layer comprises polypropylene, pearlescent master batch and 3-7wt% of polyolefin elastomer. According to the low-temperature anti-wrinkle biaxially oriented polypropylene label film, 20-30 wt% of the trifluoroethyl acrylate copolymer is added to the upper surface layer, 3-7 wt% of the polyolefin elastomer is added to the middle layer, and through the synergistic effect of the upper surface layer and the middle layer, the low-temperature anti-wrinkle biaxially oriented polypropylene label film is formed. A label made of the low-temperature anti-wrinkle biaxially oriented polypropylene label film does not have obvious wrinkles when being stored in a beverage cabinet at the temperature of 2-8 DEG C, and the requirements for attractiveness and low-temperature storage of beverages are met.

The invention belongs to the technical field of high polymer materials, and particularly relates to an antimony-free flame-retardant nylon material with high glowing filament temperature as well as a preparation method and application of the antimony-free flame-retardant nylon material. The invention relates to an antimony-free flame-retardant nylon material with high glowing filament temperature. The antimony-free flame-retardant nylon material is prepared from the following raw materials in percentage by weight: 70-74% of nylon 6 (PA6) resin, 16.5-18.5% of brominated flame retardant, 6-12% of phosphorus flame retardant, 0.5-1.5% of auxiliaries and 0.5-1% of black masterbatch. According to the invention, antimony trioxide is replaced by the phosphorus-based flame retardant, the phosphorus-based flame retardant and bromine are subjected to synergistic flame retardance, the flame retardance reaches UL94V0 (1.6 mm), a high glowing filament temperature GWIT850 DEG C can be obtained, and a glue opening of a black workpiece is not whitened.

A method for preparing a cationic dyeable flame-retardant high-strength polyester fiber is provided, after mixing oligomer A, oligomer B, and ethylene terephthalate and carrying out a polycondensation reaction to obtain a cationic dyeable flame-retardant polyester masterbatch, adding the cationic dyeable flame-retardant polyester masterbatch to the polyester chips according to a certain ratio for melt spinning, to prepare the cationic dyeable flame-retardant high-strength polyester fiber; oligomer A is prepared by the esterification reaction of a phosphorus flame retardant and a diol; oligomer B is prepared by the esterification reaction of sodium isophthalate sulfonate and a diol; the ratio of the sum of the molar weight of oligomer A and oligomer B to the molar weight of ethylene terephthalate is 3:7-6:4. The preparation method is simple, and the cationic dyeable flame-retardant high-strength polyester fiber has excellent mechanical properties, and can be used in automobiles, ships, and the interior decoration of high-class hotels.

The invention relates to the technical field of microfiber material preparation, in particular to a preparation method of an insulating flame-retardant automotive interior microfiber material, which comprises the following steps: spinning sea-island fibers by taking PA6 as an island component and LDPE as a sea component and matching with master batches; performing opening, carding, lapping, pre-needling by a pre-needling machine and needling by a needling machine on the sea-island fibers to prepare non-woven fabric; carrying out heat setting on the non-woven fabric; preparing insulating flame-retardant polyurethane slurry, infiltrating the heat-set non-woven fabric to enable the non-woven fabric to be fully impregnated, and then feeding the non-woven fabric into an aqueous solution of dimethylformamide to be subjected to water bath curing, so as to prepare a semi-finished synthetic leather product; extracting sea components in the sea-island fibers from the synthetic leather semi-finished product by adopting a stripping process; and drying the reduced superfine fiber synthetic leather base cloth, immersing the base cloth into a softening agent aqueous solution, and then carrying out drying and leather rubbing treatment to obtain the insulating flame-retardant superfine fiber leather. The product provided by the invention is used for external protection of an intelligent auxiliary driving steering wheel sensing layer, and the resistance of the microfiber material reaches 1.2 megohm or above.

The invention discloses a high-temperature injection molding plastic material with a spraying-free flow line effect and a preparation method of the high-temperature injection molding plastic material. The spraying-free flow-line-effect polycarbonate plastic material comprises a high-temperature injection molding plastic material and a high-heat-resistance flow-line-effect color master batch, and the preparation process comprises the following steps: (1) preparing the high-heat-resistance flow-line-effect color master batch from the following materials: polyhexamethylene adipamide, polycarbonate, an antioxidant 1 #, an antioxidant 2 #, a lubricant, a weather-resistant agent and toner; (2) preparing a high-temperature injection molding plastic material, wherein the materials comprise polycarbonate, a polyacrylonitrile-styrene-butadiene copolymer, a flexibilizer, an antioxidant 1 #, an antioxidant 2 #, a lubricant, a weather-resistant agent and toner; the color master batch with the high heat-resistant flow line effect is added into a high-temperature injection molding plastic material, the polycarbonate plastic material with the spraying-free flow line effect is obtained by mechanical mixing, and a plastic product with the spraying-free flow line effect, which integrates mechanical properties and attractiveness, can be prepared after injection molding.

The invention provides an anti-compression master batch and a preparation method thereof as well as a low-compression-deformation foaming material and a preparation method thereof, and the anti-compression master batch is prepared by taking TPU (Thermoplastic Polyurethane) with carbon-carbon double bonds as a matrix, high-resilience rubber as a modifier and phenolic resin as an initiator through melt grafting reaction. The anti-compression master batch is added into a foaming material formula, the obtained foaming material is excellent in performance, the compression deformation resistance, the thermal shrinkage performance and the rebound resilience of the foaming material are greatly improved, and the foaming material has high application value.

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