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Problem & Solution

Practical answers to common plastic material challenges

2239 questions
Q
Analysis and Solution of molecular weight selection of PAA in coating during thickening
A
Q
Analysis and Solution of ionic strength influence of PAA in gel during coating
Q
Analysis and Solution of ionic strength influence of PAA in dispersant during coating
A
Q
Analysis and Solution of ionic strength influence of PAA in adhesive during coating
Q
MP Internal Delamination Cracking
A
Internal delamination is caused by poor interface and shrinkage differences; compatibilizer and uniform cooling are key
Extrusion & Post MPInternal DelaminationInterfacial BondingCompatibilizerUniform Cooling
Q
MP Surface Snakeskin Pattern
A
Snakeskin pattern is caused by low-temperature extrusion and elastic recovery; increasing temperature and reducing speed are key
Extrusion & Post MPSnakeskin PatternExtrusion TemperatureElastic RecoveryDie Temperature Control
Q
MP screw slipping
A
screw slipping is caused by premature melting; lowering feed section temperature is key
Extrusion & Post MP screw slipping feed section temperature premature melting flight deepening
Q
MP large dimensional change with temperature
A
dimensional temperature sensitivity is caused by large thermal expansion coefficient; adding filler and annealing are key
Extrusion & Post MP dimensional temperature sensitivity thermal expansion coefficient rigid filler annealing
Q
MP vacuum section material overflow
A
material overflow is caused by low melt viscosity; lowering temperature and adding a baffle are key
Extrusion & Post MP vacuum section overflow melt viscosity temperature lowering vent baffle
Q
MP surface dense pitting
A
pitting is caused by raw material impurities and mold damage; pure raw material and mold maintenance are key
Extrusion & Post MP surface pitting impurity particles mold repair raw material purity
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