105 results about "Processing aid" patented technology

The invention belongs to the technical field of composite processing aids, and particularly relates to a processing aid for a tensile CPVC (chlorinated polyvinyl chloride) board and a preparation process thereof, and the preparation process comprises the following steps: dispersing glass fibers in a KH-550 hydrolysate for stirring reaction, dispersing in a bisphenol A epoxy resin solution for stirring reaction after washing and drying, dispersing in an ODI (Olefin Diisocyanate) solution for stirring reaction after washing and drying, and drying to obtain the tensile CPVC board. After washing, dispersing in a GMA solution for stirring reaction, and washing and drying to obtain modified glass fibers; and dispersing the modified glass fiber in the dispersion liquid, adding an initiator and BA, heating, stirring for reaction, adding an initiator and MMA, stirring for reaction, washing and drying to obtain the processing aid. When a CPVC plate prepared by blending the processing aid and CPVC is used in a high-temperature and high-humidity environment, high tensile strength and impact strength can be kept for a long time.

The invention provides a method for improving interfacial compatibility of PE (polyethylene) and PS (polystyrene), and belongs to the technical field of HI PS production. The method comprises the following steps: preparing compatilizer premixed master batches of a hydrogenated styrene-butadiene block copolymer and a styrene-butadiene-styrene block copolymer, and determining an optimal compatilizer dosage by adopting an interfacial tension prediction model; a multi-stage melt blending process is adopted to realize segmented addition and step-by-step mixing of components, inorganic powder and a processing aid are added to form a composite aid system to regulate crystallization behavior and improve thermal stability, and process parameters such as temperature and rotating speed of a twin-screw extruder are controlled to promote dispersion orientation of a compatilizer on an interface. And optimal cooling parameters are determined through a graded cooling temperature optimization experiment and iterative optimization of a shortest path algorithm to realize matching of polyethylene crystallization and a polystyrene curing process, so that the technical problem of unstable mechanical properties of an alloy material caused by poor interfacial compatibility of polyethylene and polystyrene is solved.

The invention relates to the field of medicines and functional foods, in particular to a preparation method of a nanoscale curcumin suspension, the curcumin suspension and application. The preparation method of the nanoscale curcumin suspension comprises the following steps: (1) adding phospholipid and polyglycerol ester into warm water, and carrying out high-speed shearing and uniform dispersion to obtain a mixed solution A; (2) weighing curcumin, adding the curcumin into the mixed solution A, and performing high-speed shearing and uniform dispersion to obtain a mixed solution B; and (3) grinding the mixed solution B in a sand mill to obtain the curcumin suspension, wherein the particle size of the curcumin is 100-200 nm. The curcumin prepared by the preparation method of the curcumin suspension has the characteristics of high loading capacity, high stability and high safety, and solves the problems that in the prior art, the curcumin is low in loading capacity and poor in safety, dissolving equipment is needed during use, and processing aids such as organic solvents are used during processing; the application range of the curcumin is greatly expanded; the preparation convenience is improved.

The invention discloses a high-impact-resistance plate and a preparation method thereof, and relates to the technical field of preparation of stone-plastic plates. The raw materials comprise the following components in parts by mass: 100-120 parts of a vinyl chloride-butadiene-styrene-acrylonitrile copolymer, 50-150 parts of calcium powder, 15-35 parts of a plasticizer, 0.2-0.8 part of an antioxidant, 1.5-5 parts of a stabilizer and 5-15 parts of a processing aid. The preparation method comprises the steps of mixing, banburying, open milling, calendering and cooling traction discharging. According to the invention, the influence of the raw material formula ratio of the stone-plastic plate on the impact resistance of the plate is explored, and a proper processing mode is matched, so that the stone-plastic plate prepared by taking the ABS copolymer and the calcium powder as main raw materials has better impact resistance.

A processing aid for an extrudable food composition includes from about 60% to about 99% by weight of at least one edible emulsifier and from about 1% to about 40% by weight of a short chain carboxylic acid. The extrudable food composition may include from about 80% to about 90% by weight of a raw material; from about 1% to about 18% by weight added moisture; from about 0.1% to about 3% of a processing aid, wherein the processing aid includes at least one edible emulsifier and at least one short chain carboxylic acid. The raw material is selected from one or more of corn meal, whole grain corn meal, rice, whole grain flour, rice pea, brown rice, wheat flour, whole wheat flour, pea flour, black bean, pinto bean flour, potato flour, and mixtures thereof.

The present application relates to a kind of toughened heat-resistant full biodegradable polylactic acid packaging material and its preparation method.Polylactic acid, PBAT, corn starch, stearic acid starch ester, mannitol, epoxy-terminated PBAT-PLA block oligomer, PDLA grafted white carbon black and processing aid are dried, premixed plasticized, melt reaction blending, extruded and granulated and formed, to obtain packaging material.Epoxy-terminated PBAT-PLA block oligomer improves interface compatibility and toughening, PDLA grafted white carbon black promotes crystallization and stereocomplex crystal formation, and both synergistically improve material toughness, impact resistance, heat resistance and hot water dimensional stability.

The invention relates to the technical field of waterproof plates, and provides a tear-resistant waterproof plate and a preparation method thereof. The tear-resistant waterproof board is prepared from the following raw materials in parts by weight: 30 to 35 parts of ethylene-vinyl acetate copolymer, 60 to 80 parts of tear-resistant master batch, 0.5 to 1.5 parts of first antioxidant and 3 to 4 parts of compatilizer, the tear-resistant master batch comprises the following raw material components in parts by weight: 20-30 parts of high-density polyethylene, 40-50 parts of linear low-density polyethylene, 1-3 parts of a processing aid and 0.5-1 part of a second antioxidant, and the processing aid comprises fluoro-dimer p-xylene and poly-alpha-methylstyrene. By means of the technical scheme, the problem that in the prior art, waterproof plates are insufficient in tear resistance is solved.

The invention discloses a preparation method of PVC (polyvinyl chloride) single leather capable of releasing marine aroma, which comprises the following steps: preparing a PVC paste material which comprises a first component consisting of PVC, a second component consisting of a plasticizer and a stabilizer and a third component consisting of a filler, a processing aid and a functional aid, the three components are uniformly mixed in a stirring manner to form the PVC paste; the preparation method comprises the following steps: curing spices, adding the spices into microcapsules, adding the microcapsules in a PVC paste preparation process, uniformly mixing in a stirring manner, and standing for 3-6 hours in a sealed manner for use; and then the PVC single leather with the marine aroma is produced through a coating process. The invention provides a simple and efficient process mode for preparing the marine aroma type PVC single leather, special equipment is not needed for production, additional auxiliaries are not needed, the marine aroma type PVC single leather can be applied to automotive interiors, pungent smell of traditional PVC single leather products is effectively shielded, and the acceptance of customers is high.

The invention relates to the technical field of dairy product processing, in particular to a dairy product capable of controlling carbohydrates and a preparation method thereof, the preparation method comprises the following steps: 1) separating raw milk to obtain skimmed milk and single cream; 2) diverting the skimmed milk into a first skimmed milk stream and a second skimmed milk stream; 3) performing ultrafiltration concentration on the first skimmed milk flow to obtain ultrafiltration concentrated skimmed milk; 4) performing nanofiltration concentration on the second skimmed milk flow to obtain nanofiltration concentrated skimmed milk; and 5) mixing the ultra-filtered and concentrated skimmed milk obtained in the step 3) and the nano-filtered and concentrated skimmed milk obtained in the step 4) to obtain the dairy product for controlling carbohydrates. According to the invention, no processing aid is used, and the low-sodium high-calcium dairy product can be prepared on the premise of controlling carbohydrates only through combined use of processes, so that the health demand and the taste demand of consumers are both considered.

The invention discloses a solid beer-flavor effervescent tablet and a preparation method thereof. The solid beer-flavor effervescent tablet comprises an acid source, an alkali source, a beer-flavor matrix, a sweetening agent, a filling agent, a nutrition enhancer and a processing aid, wherein the acid source comprises anhydrous citric acid, and the alkali source comprises sodium bicarbonate; the beer flavor matrix comprises malt flour, a humulus lupulus extract and a flavor enhancer, and the flavor enhancer comprises flavor essence and concentrated guava juice; the nutrition enhancer comprises vitamin B, mineral salt and an amino acid composition. According to the invention, rich and pure beer flavor and rich, fine and lasting foam can be generated after the beer is disintegrated in water, and the beer has good portability and long shelf life, and has a nutrition supplementing function.

The invention discloses a high-breathability deoxidizer packaging material and a manufacturing method, and belongs to the technical field of deoxidizer packaging materials, the high-breathability deoxidizer packaging material comprises an inner layer, a middle layer and an outer layer, the coating film is prepared from the following raw materials in parts by weight: 60 to 90 parts of polylactic acid, 10 to 30 parts of polycaprolactone, 10 to 20 parts of nano silicon dioxide, 5 to 15 parts of polyvinyl alcohol, 5 to 10 parts of modified starch, 3 to 8 parts of compatilizer and 2 to 5 parts of processing aid. According to the invention, through blending of polylactic acid and polycaprolactone, the flexibility and degradability of the material are improved, the addition of nano-silica and polyvinyl alcohol forms a microporous structure, the oxygen permeability is significantly improved, the introduction of the compatilizer enhances the interface bonding force among the components, and the mechanical properties and film-forming uniformity of the material are improved; the packaging material prepared by the invention not only has good air permeability and high strength, but also has the advantages of degradability, environmental protection and the like, and is suitable for the packaging requirements of various deoxidizing agents.

The application discloses a polypropylene composite material and a preparation method and application thereof, and belongs to the technical field of high polymer materials. The polypropylene composite material with high impact strength, high transparency and excellent low-temperature toughness is prepared by using the first polypropylene with a certain melt index, the second polypropylene, a polypropylene-based elastomer toughening agent and a processing aid. The properties of the obtained polypropylene composite material are close to the level of transparent ABS material, and the polypropylene composite material has the advantages of low cost and food-grade application, is suitable for fields such as household appliances, medical devices and commodity packaging, and has a good market application prospect.

The application belongs to the technical field of composite processing aids, and particularly relates to a processing aid for tensile CPVC plate and a preparation process thereof, which comprises the following steps: dispersing glass fibers in a KH-550 hydrolysate, stirring and reacting, washing and drying, dispersing in a bisphenol A type epoxy resin solution, stirring and reacting, washing and drying, dispersing in an ODI solution, stirring and reacting, washing and drying, dispersing in a GMA solution, stirring and reacting, washing and drying, and obtaining modified glass fibers; dispersing the modified glass fibers in a dispersion liquid, adding initiators and BA, heating, stirring and reacting, adding initiators and MMA, stirring and reacting, washing and drying, and obtaining the processing aid. The CPVC plate prepared by blending the processing aid with CPVC can maintain high tensile strength and impact strength for a long time when used in a high-temperature and high-humidity environment.

The application discloses a kind of polymer hollow fiber membrane and its preparation method and application, and the raw material of preparation polymer hollow fiber membrane includes solid polymer resin, phase separation aid, structure regulator and processing aid.The application carries out innovative design to film-forming formula and thermally induced phase separation extrusion spinning process, by full solid component compounding, combined with full water-soluble membrane structure adjustment, can be prepared to obtain polymer hollow fiber membrane with surface separation layer pore structure and internal double continuous pore structure, its pore size distribution is narrow, small molecule dissolution rate is low in use process, with excellent anti-burst pressure, anti-tensile fracture force, tensile elongation and separation performance, especially suitable for medical, food and other life health and diet health industry.

The application discloses a damping modifier, a noise-reducing damping ABS material and a preparation method thereof, and comprises the following components: 80-95 parts by weight of ABS, 5-20 parts by weight of a damping modifier and 0-3 parts by weight of a processing aid. The material has excellent mechanical properties, a high damping coefficient and excellent noise reduction effect.

The invention relates to the technical field of metallocene polyethylene materials, in particular to an FFS heavy packaging film and a preparation method thereof. The problems of balance contradiction between rigidity and impact resistance of a traditional product and narrow heat-sealing window are solved. A finished product is prepared from modified metallocene polyethylene, POE grafted zinc salt ionomer, core-shell structure toughening particles, linear low-density polyethylene, functional filler and a processing aid. Polarization and ionization modification of metallocene polyethylene and POE are achieved through reactive extrusion, and the puncture resistance of the material is improved through the physical cross-linking effect of ion clusters and the multi-stage toughening effect of core-shell particles; and meanwhile, by virtue of the cooperation of the thermal reversibility of the ionomer and a specific film blowing process, the initial temperature of heat sealing is reduced, and the sealing safety problem in a dust environment is solved.

The utility model relates to the technical field of PVC (polyvinyl chloride) additive packaging, and discloses a packaging device for PVC processing additive production, which comprises a main body mechanism and a movable transmission mechanism, the movable transmission mechanism is positioned at the lower end of the main body mechanism, and the main body mechanism comprises an electric appliance storage box, a movable circular shaft, an access door and a door handle. The movable circular shaft is movably installed at the front end of the left end of the electric appliance storage box, the access door is movably installed at the right end of the movable circular shaft, the door handle is fixedly installed at the right end of the access door, the main body mechanism further comprises a packaging assembly and a controller, and the packaging assembly is fixedly installed at the upper end of the electric appliance storage box. The controller is fixedly installed at the right end of the electric appliance storage box, and the packaging assembly comprises a storage box, a box door, a handle groove and a packaging conveyor. According to the packaging device for production of the PVC processing agent, through the use of the packaging assembly, the PVC processing agent is packaged more easily and conveniently, the packaging effect of the PVC processing agent is better, and one-time forming packaging is firmer and more stable.

The invention relates to the field of technical schemes, in particular to a swelling agent for removing a cured addition type high-temperature vulcanized silica gel thin layer and a preparation method of the swelling agent. The solvent comprises the following raw materials in percentage by weight: 50-90% of a main solvent; 13-60% of an auxiliary solvent; 3-10% of a cosolvent; 0.1-1% of an active promoter; the balance is a processing aid; the activity promoting material is an active agent containing fatty alcohol polyoxyethylene ether; the main solvent is petroleum ether; the auxiliary solvent is composed of 120 # solvent oil and light paraffin oil; the cosolvent is an alcohol solvent; the sum of the weight percentages of the main solvent, the auxiliary solvent, the cosolvent, the activity accelerant and the processing aid is equal to 100%, and the obtained swelling agent has better stability and has a better removal effect when being used for removing a cured addition type high-temperature vulcanized silica gel thin layer.

The present disclosure generally relates to a formulation for producing a processing aid, such as a demolding agent or release agent, as used in particular in the production of rubber mixtures and other polymers as processing aids. More particularly, the present disclosure relates to a formulation for producing a processing aid which is produced in a more environmentally friendly manner than known processing aids, or at least can be produced in this manner, in particular using preferably at least 20% renewable raw materials. Furthermore, the present disclosure relates to a method for producing a processing aid and to the processing aid itself.

The invention relates to the technical field of foaming characteristic detection and lipophilic protein extraction, solves the technical problem that the extraction efficiency and structural functional characteristics of protein can be obviously influenced by the change of traditional alkali-solution and acid-precipitation conditions, and particularly relates to a foaming characteristic detection method and an extraction method of high-foaming soybean lipophilic protein. During extraction of the soybean lipoprotein, citric acid is used for replacing traditional sulfuric acid to serve as a processing aid to extract the soybean lipoprotein, residues of harmful reagents are reduced, and the safety and functional characteristics of the product are improved. And the foaming capacity of the extracted soybean lipophilic protein is analyzed, so that the influence of the acid precipitation condition on the foaming performance of the soybean lipophilic protein is researched. The method is green and sustainable in process, safe to operate and low in cost, and the prepared soybean is high in lipophilic protein content and excellent in solubility and foamability and has excellent application prospects in inflatable products such as cakes and ice cream.

The application discloses a nylon 12 modified material resistant to high and low temperature impact and a preparation method and application thereof. The modified material comprises the following components in parts by weight: 48-85 parts of nylon 12, 10-30 parts of in-situ grafted temperature-resistant impact master batch, 5-20 parts of transparent nylon and 0-2 parts of processing aid; wherein the in-situ grafted temperature-resistant impact master batch comprises the following components in parts by weight: 50-88 parts of nylon 12, 10-40 parts of non-polar elastomer, 0.4-4 parts of grafted monomer, 0.1-0.4 parts of initiator and 0-2 parts of processing aid. The application can significantly improve the stability and durability of the nylon 12 modified material under high and low temperature impact cycles, and as a metal insulation layer coating material, the application can not have problems such as cracking in the process of more than 600 high and low temperature impact cycles.

The disclosure generally relates to processing aids, in particular for producing products from or comprising rubber mixtures and / or other organic polymers, for example for producing so-called elastomers. More particularly, the disclosure relates to a processing aid which provides for a good demolding or separation effect of products produced from or comprising rubber mixtures and / or other polymers, while also enabling improved application, in particular with regard to safety aspects. The disclosure relates generally to a formulation from which a processing aid can be produced and which in particular facilitates largely dust-free or at least low-dust handling of the processing aid for the end user, and also relates to a method for producing the formulation as well as to a method for producing the processing aid, and to a processing aid produced or at least producible in this way.

The disclosure provides a processing aid and masterbatch capable of improving the processibility of a thermoplastic resin, as well as a thermoplastic resin composition and film formed therefrom. The disclosure relates to a processing aid containing a biodegradable polymer having a melting point of 65°C or higher.

The invention relates to the field of packaging film materials, in particular to an anti-skid puncture-resistant transparent PE film for mattress packaging and a preparation method of the anti-skid puncture-resistant transparent PE film. The anti-slip puncture-resistant transparent PE film for mattress packaging is prepared from the following raw materials: matrix polyethylene resin, auxiliary resin, a functional polymer, an opening anti-sticking agent, a processing aid, an antioxidant, a composite functional agent and the like. The finally prepared PE film is reasonable in structure, and the puncture resistance and the waterproof corrosion resistance of the PE film can be remarkably improved on the premise that excellent mechanical performance and skid resistance are kept, so that the requirement for higher performance of the PE film in the existing mattress packaging field is met.

An aid for the preparation of doughs for baked food products. Such aid comprises a food-grade carrier for baked food products and microcapsules containing viable lactic acid bacteria of at least one species, enclosed in a casing including at least one gellable biopolymer. The microcapsules are dispersed in said food-grade flour and have an average size comprised between 350 μm and 550 μm, preferably between 390 μm and 490 μm, more preferably between 400 μm and 460 μm, and a mechanical compressive strength comprised between 3200 g and 9000 g, preferably between 3400 g and 6000 g, more preferably between 3500 g and 5700 g. A microencapsulation process, a production process and uses of such aid is further provided, as well as to a dough, a preparation process of baked food products wherein such aid is used, and a baked food product obtainable by such preparation process.

The invention provides a piston for an injector and a preparation method of the piston. The thermoplastic elastomer composition comprises the following components in parts by mass: 80-120 parts of a hydrogenated styrene thermoplastic elastomer, 80-120 parts of white oil, 45-75 parts of a plasticizer, 40-85 parts of a reinforcing agent, 1-10 parts of silicon resin and 0.1-2 parts of a processing aid. Wherein the hydrogenated styrene elastomer preferably selects SEBS / SEPS / SEEPS with the styrene content of 15-30% and the molecular weight of 100,000-300,000, the flash point of the white oil is greater than or equal to 75 DEG C, and the viscosity is 2,000-4,500 Pa.s. The preparation method comprises the steps of mixing, constant-temperature standing, low-temperature treatment, extrusion granulation and injection molding. Through a non-vulcanization formula system, the risk of sulfur dioxide emission and whey protein residue in a sulfur cross-linking process is thoroughly avoided, the dynamic friction coefficient is greatly reduced compared with that of traditional rubber, the medical sealing requirement is met, and the rubber can be melted and recycled.

A geogrid prepared by recycling medical waste and a preparation method therefor, and use in foundation reinforcement. The method includes: recycling medical waste for treatment and processing the medical waste into a crushed material; adding modified filler and processing aids, and selecting high-strength fiber bundles for compounding and melting with the crushed material and pressing and stretching to prepare a geogrid. The medical waste is any combination of one or more used medical plastic products and medical plastic products that expire and are not used. The high-strength fiber bundles are more than one bundle of fiber materials commonly used for manufacturing geogrids on the market. The modified filler is a stabilizer for improving the stability of component materials to heat and light. The processing aids are enhancers for improving the performance of the component materials.

This invention provides a high-esterified persimmon pectin olive oil-based anti-fatigue beverage and its preparation method. The beverage comprises: extra virgin olive oil, high-esterified persimmon pectin, maltitol, freeze-dried peach powder, L-carnitine, vitamin E, hydroxytyrosol, and distilled water. The preparation process of this invention eliminates the need for processing aids such as emulsifiers and dispersants. High-esterified persimmon pectin is prepared through a pulsed electric field pretreatment-weak acid extraction process to obtain a highly active interfacial structure. This structure allows it to form a dense composite interfacial layer with other formulation components during two-stage shear emulsification, preferentially forming a stable oil-in-water emulsion system. This achieves long-term stable dispersion of the oil and water phases and masks the original spiciness and irritation of olive oil. Simultaneously, L-carnitine is added as a fatty acid metabolism support factor, and vitamin E and hydroxytyrosol are added as synergistic antioxidant components. The anti-fatigue effect is achieved through the synergistic effect of slow-release energy from the oil phase and interfacial structure regulation.

The application relates to the technical field of packaging bags, and discloses a polyolefin material packaging bag, a packaging bag body, the packaging bag body is composed of a composite layer, the composite layer comprises a base layer, surface layers and inner layers located on the two sides of the base layer, and the base layer, the surface layers and the inner layers are compression-molded; the base layer comprises the following components in a proportion: 80-100 parts of polyolefin powder, 2-6 parts of rare earth antioxidant, 0.5-1.5 parts of ultraviolet absorber, 2-4 parts of phosphogypsum whisker, 1-3 parts of nano diatomite, 1-3 parts of dispersing agent, 1-3 parts of silane coupling agent, 1-1.5 parts of antibacterial agent, 5-10 parts of processing aid, 0.1-1 part of halogen absorber; by adding the antibacterial agent, the packaging bag can reduce the disease spread caused by the carrying of pathogenic bacteria during transportation and express delivery, and is cleaner and more sanitary; the base layer prepared by combining the composite olefin powder and the antioxidant has better antioxidant capacity, and the antioxidant performance of the packaging bag is improved.