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Research on Preparation and Structure-Performance of FEP Color Masterbatch

Author: WangXia
Tutor: HuaYouQing；QiaoHui
School: Beijing University of Chemical Technology
Course: Applied Chemistry
Keywords: Fluorinated ethylene propylene (FEP) Masterbatch Pigment Dispersant Processing equipment
CLC: TQ325.4
Type: Master's thesis
Year: 2006
Downloads: 259
Quote: 0
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Abstract


Fluorinated ethylene propylene (FEP) is a high performance engineering plastics. In recent years, with the rapid rise in the amount of functional continuous product development . Among them, the traditional white FEP insulated wire and cable has been replaced by a color cable trend. In order to obtain the intrinsic quality and appearance of the indicator can achieve colored cables for poly FEP masterbatch development has important practical value. This paper focuses on and identifies preparing poly FEP masterbatch carrier resin , pigments, dispersing aids formulation and processing technology , and its application to conduct a comprehensive performance measurement and evaluation , comparative analysis of the masterbatch method direct dye coloring pigment differences. By TG, DSC, SEM precision color measurement and test analysis to determine the FEP masterbatch carrier resin , pigment and dispersing additive composition and the ratio of the three . Experimental results show that : FEP masterbatch , the carrier resin melt index in 4.5-8.5g/10min choose the FEP powder , pigment selectable resistance above 380 ℃ high temperature inorganic pigment dispersing additives as dispersant D (Tm = 204 ℃, Td = 427 ℃); FEP colored product to meet electrical performance requirements , the pigment content is not too high, and the dispersion in the matrix is better , and to determine the pigment dispersing agent D for optimal dosage . FEP masterbatch processing equipment with a single screw extruder and a twin screw extruder two kinds . Reference FEP resin extrusion molding process , combined with rheological performance analysis , developed a FEP masterbatch extrusion molding process. Testing by SEM analysis showed that twin-screw extruder processing FEP masterbatch , compared with single-screw extruder shear and plastics are more fully , is conducive to further pigment dispersion . Performance test results also confirmed this conclusion. Respectively, five colors FEP masterbatch application performance were studied. The results showed that the color

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CLC: > Industrial Technology > Chemical Industry > Synthetic resins and plastics industry > Polymer resin and plastic > Polyvinyl fluoride
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