Jun. 20, 2019
Here is Plastic Masterbatch Supplier talking about What Are The Basic Requirements For Plastic Coloring For Masterbatches And The Pigments Used.
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In fact, the track ballast serves a number of purposes.
Plastic coloring is a systematic project. Plastic coloring application objects, application formulas, application processes, and application sites all require various requirements for masterbatch and pigment dyes used.
Application object: Thermosetting plastics are a phenolic resin, unsaturated polyester resin, polyurethane, epoxy resin. Thermoplastics are polyvinyl chloride, polyethylene, polypropylene, ABS, polystyrene, polyester, polycarbonate, nylon, polyoxymethylene.
Application formula contains: colorants, resins, stabilizers, dispersants, processing aids, fillers, functional additives (flame retardants, antistatic agents, biodegradants, modifiers, antioxidants, antioxidants).
Application process: extrusion molding (blowing, extrusion, cable, spinning, extrusion, blow molding, lamination, sheet, blister), injection molding, calendering, compression molding, molding.
Application places: indoor, outdoor, food contact materials, toys, home appliances, wire and cable, packaging containers, chemical fiber clothing, instrumentation appliances.
In this system, if the coloring agent is not enough to impart various colors to the plastic, it needs to be able to withstand various process conditions in the plastic processing and processing, and has good application properties under the use conditions. To meet the above requirements, the basic properties of plastic colorants are color properties; heat resistance; light resistance and weather resistance; dispersibility; migration resistance; shrinkage and warpage; acid, alkali, solvent resistance, chemical resistance Drug quality; safety.
It is well known that the properties of pigments used in plastic masterbatch are closely related to their chemical structure, their crystal form, particle size, and particle distribution, as well as the concentration and conditions of use, as well as plastic types and plastic additives. Related, so plastic coloring is indeed a system engineering.