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المشاكل والحلول

إجابات عملية على التحديات الشائعة في مواد البلاستيك

11636 سؤال
Q
PAN processing comprehensive problem - pre-oxidation
A
Q
PAN processing comprehensive problem - spinning process
Q
PAN processing comprehensive problem - gel control
A
Q
PAN pre-oxidation skin-core structure oxygen content gradient
Q
PAN copolymer molecular weight distribution too wide
A
Narrow molecular weight distribution is beneficial to the uniformity of precursor quality
Material Analysis molecular weight distributionpolymerizationinitiatorchain transfer
Q
PAN precursor fuzz
A
Fuzz is an inherent defect of carbon fiber strength and processability
Extrusion & Post fuzzcoagulation bathfrictionskin peeling
Q
PAN fiber fracture during drawing
A
PAN drawing is the key to improving carbon fiber orientation and strength
Extrusion & Post drawingfracturedrawing temperaturedraw ratiomulti-stage drawing
Q
PAN solvent residue affecting carbonization
A
Solvent residue is an important source of carbon fiber defects
Material Drying solvent residuewater washingdryingporescarbonization
Q
PAN pre-oxidation process exotherm out of control
A
Pre-oxidation exotherm control is the process safety key in carbon fiber manufacturing
Molding Process pre-oxidationexothermstep heatingcyclization reactiontow density
Q
PAN fiber uneven fineness
A
Fineness uniformity is a basic requirement for high-performance carbon fiber
Extrusion & Post finenessmetering pumpspinneret holedrawinguniformity
ChemAI