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문제 및 해결책

일반적인 플라스틱 재료 문제에 대한 실질적인 답변

2239 질문
Q
Unstable Dimensions in CMC Extrusion
A
Extrusion dimensional stability depends on feeding accuracy, temperature control and haul-off synchronization
Extrusion & Post CMC extrusiondimensional stabilityfeeding controltemperature PIDhaul-off synchronization
Q
Excessive Thermal Shrinkage of CMC Film
A
Film thermal shrinkage is caused by orientation freezing; reducing draw ratio and annealing treatment are the key
Extrusion & Post CMC filmthermal shrinkageorientation releaseannealing treatmentbiaxial stretching
Q
Material Hang-up and Carbon Deposits on CMC Extrusion Die
A
Die carbon deposits are caused by thermal oxidation and untimely cleaning; PE flushing and timely cleaning are the key
Extrusion & Post CMC extrusiondie carbon depositPE flushingstagnation zonethermal oxidation
Q
Delamination in Blending CMC with Incompatible Resins
A
Blends with large polarity differences require reactive compatibilizers to form chemical bonding at the interface to solve the problem
Extrusion & Post CMC blend delaminationpolarity differenceCMC-g-MAHreactive compatibilizationinterfacial bonding
Q
Connected Pellets in CMC Extrusion Pelletizing
A
Connected pellets are caused by elastic recovery and low-temperature pelletizing; high-temperature water cutting and fast cutting are the key
Extrusion & Post CMC pelletizingconnected pelletspelletizing water temperaturecutter speedelastic recovery
Q
CMC extrusion melt fracture
Q
CEF extrusion film has gel spots
A
CEF gel spots are caused by residual crosslinking; raw material control and filtration are the key
Extrusion & Post CEF filmgel spotcrosslinking residuescreenprocessing temperature
Q
CEF internal delamination cracking
A
Internal delamination is caused by poor interface and shrinkage differences; compatibilizer and uniform cooling are the key
Extrusion & Post CEFinternal delaminationinterface adhesioncompatibilizeruniform cooling
Q
CEF surface snakeskin texture
A
Snakeskin texture is caused by low-temperature extrusion and elastic recovery; increasing temperature and reducing speed are the key
Extrusion & Post CEFsnakeskin textureextrusion temperatureelastic recoverydie temperature control
Q
CEF screw slipping
A
Screw slipping is caused by premature melting; reducing the feeding section temperature is the key
Extrusion & Post CEFscrew slippingfeeding section temperaturepremature meltingthread deepening
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