Problema e solução

Respostas práticas para os desafios comuns dos materiais plásticos

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Weak Interfacial Adhesion in EVOH Coextrusion

EVOH/PE interface polarity difference is large; a tie layer must be used to solve it

Extrusion & Post EVOH/PE coextrusiontie layerPE-g-MAHinterfacial polarity differenceEAA tie layer

EVOH Extruded Pipe Ovality Out of Specification

Extrusion & Post EVOH pipeovalityannular coolingvacuum sizinguniform haul-off

Large Current Fluctuation of EVOH Extruder

Extrusion & Post EVOH extrusioncurrent fluctuationtemperature control precisionscrew designfeeding stability

Gel Particles on EVOH Extruded Film

Extrusion & Post EVOH filmgel particlemelting temperaturemixing sectionhigh molecular weight component

Transverse Ripples on EVOH Extruded Film

Extrusion & Post EVOH filmtransverse ripplehaul-off vibrationchill roll eccentricitypressure stabilizing device

Frequent Screen Clogging in EVOH Extrusion

Extrusion & Post EVOH extrusionscreen clogginggel particlestepped screenautomatic screen change

EVOH Extruded Film Winding Wrinkles

Extrusion & Post EVOH filmwinding wrinkletension controlthickness uniformityguide roller parallelism

EVOH extrusion feeding is unstable

Extrusion & Post EVOH feeding bridging loss-in-weight feeder pelletizing feeding screw

EVOH extrusion surface is rough

Extrusion & Post EVOH extrusion surface roughness die polishing extrusion temperature melt elasticity

EVOH extruder screw wear is severe

Extrusion & Post EVOH extrusion screw wear nitrided screw filler friction bimetallic screw

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