Dažnai naudojami plastiko spalvų derinimo ingredientai yra dispergentai, tepimo medžiagos, difuzinės alyvos, sukabinimo agentai, suderinamieji, ir taip toliau. Commonly encountered material ingredients include flame retardants, strengthening representatives, brighteners, UV preventions, antioxidants, antibacterial agents, antistatic agents, ir tt. One of the most common ones are fillers for cost decrease or physical alteration, such as light calcium carbonate, heavy calcium carbonate, talc, mica, kaolin, silicio dioksidas, titano dioksidas, red mud, fly ash, diatomaceous planet, wollastonite, glass grains, barium sulfate, calcium sulfate, ir taip toliau, in addition to organic fillers, such as timber flour, corn starch, and other farming and forestry by-products. Loading and strengthening materials consist of glass fiber, carbon fiber, asbestos fiber, synthetic organic fiber, ir taip toliau
Suppose the above ingredients are included in the product’s raw materials. Because instance, they need to be added to the material basic materials in the very same proportion in the color-matching proofing so as not to generate a shade distinction in the subsequent production.
(Additives for Plastic Color Matching)
Dispersant
Dispersant types consist of fat polyurea, hydroxy stearate, polyurethane, oligomeric soap, ir tt
Šiuo metu, the generally used dispersant in the industry is lubricating substance. Lubes have good dispersibility and can also enhance the fluidness and demolding efficiency of plastics throughout molding.
Lubricants are split right into internal lubes and exterior lubricating substances. Inner lubes have a particular compatibility with resins, which can lower the cohesion between resin molecular chains, decrease thaw viscosity, and improve fluidness. Outside lubes have bad compatibility with materials. They comply with the surface area of liquified resins to form a lubricating molecular layer, consequently decreasing the rubbing in between materials and handling devices.
Lubricants
According to the chemical structure, they are mostly separated right into hydrocarbons, metal soaps, lubes that play a demolding role, fatty acids, fatty acid amides, and esters.
Such as vinyl bis ceramide (EBS)
EBS (Ethylene Bis Stearamide), also referred to as plastic bis stearamide, is a very efficient inner and external lubricating substance and dispersant extensively made use of in the plastic processing market. It appropriates for all thermoplastic and thermosetting plastics, consisting of but not limited to polyethylene (PE), polipropileno (PP), polistirenas (PS), polikarbonatas (COMPUTER), polyamide (), poliesteris (PET/PBT), polyurethane (PU), phenolic resin, epoxy material, ir tt. Right here are a few of the major functions of EBS in these plastics:
(EBS etileno bis stearamido emulsija)
Sklaida
Kaip dispergentas, EBS gali padėti tolygiai paskirstyti užpildus ir pigmentus dirbant su plastiku, vengti krūvos, ir pagerinti pigmentų ir užpildų sklaidą bei saugumą. Tai padeda pagerinti spalvų harmoniją ir galutinio produkto mechanines savybes. Pavyzdžiui, pagrindinio mišinio gamyboje, EBS gali užtikrinti, kad pigmento fragmentai būtų tolygiai paskirstyti tiekėjo dervoje, kad būtų užtikrintas įprastas atspalvis vėlesniuose plastikiniuose gaminiuose.
Salono tepimas
Plastiko lydyte, EBS gali sumažinti trinties tarp molekulių ir plastiko lydalo šlyties įtempį, taip sumažinamas atšildymo storis ir atšilimo cirkuliacija tampa sklandesnė. Tai padeda sumažinti įtampą ekstruzijos arba šratinio formavimo metu, sumažina apdorojimo temperatūrą, ir sutrumpina liejimo ciklus, while also reducing power intake, enhancing handling effectiveness, and improving the life span of equipment.
Exterior lubrication
EBS forms a slim lubricating movie on the plastic surface, which can lower the friction between the plastic melt and the metal mold and mildew, enhance demolding performance, and prevent sticking of plastic products during molding. This not only aids to improve the surface area finish of the product and minimize flaws yet also simplifies the post-processing process and enhances production performance.
Other features
In addition to the above main functions, EBS can additionally be utilized as an antistatic agent to improve the antistatic properties of plastic items and reduce problems such as dirt adsorption brought on by fixed electricity. In some applications, EBS can additionally improve the weather resistance and chemical resistance of plastic products.
In the injection molding process, when completely dry coloring is made use of, surface therapy representatives such as white mineral oil and diffusion oil are usually included during blending to play the function of adsorption, lubrication, diffusion, and demolding. When adjusting the shade, it must likewise be contributed to the raw products symmetrical. Pirma, include the surface area treatment agent and drink well, then add the shade powder and tremble well.
When choosing, the temperature resistance of the dispersant should be figured out according to the molding temperature level of the plastic raw material. From a cost viewpoint, in concept, if a medium and low-temperature dispersant can be used, neturi būti pasirinktas atsparus aukštai temperatūrai. Aukštos temperatūros dispergentai turi būti atsparūs didesniems nei 250 °C.
EBS etileno bis stearamido emulsijos pardavėjas
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