Problema e solução

Respostas práticas para os desafios comuns dos materiais plásticos

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PAN processing comprehensive problem - pre-oxidation

Processing Machinery PANpre-oxidationprocessing qualityprocess optimizationequipment management

PAN processing comprehensive problem - spinning process

Extrusion & Post PANspinning processprocessing qualityprocess optimizationequipment management

PAN processing comprehensive problem - gel control

Processing Machinery PANgel controlprocessing qualityprocess optimizationequipment management

PAN pre-oxidation skin-core structure oxygen content gradient

Molding Process oxygen content gradientpre-oxidationdiffusiontemperature curve

PAN copolymer molecular weight distribution too wide

Narrow molecular weight distribution is beneficial to the uniformity of precursor quality

Material Analysis molecular weight distributionpolymerizationinitiatorchain transfer

PAN precursor fuzz

Fuzz is an inherent defect of carbon fiber strength and processability

Extrusion & Post fuzzcoagulation bathfrictionskin peeling

PAN fiber fracture during drawing

PAN drawing is the key to improving carbon fiber orientation and strength

Extrusion & Post drawingfracturedrawing temperaturedraw ratiomulti-stage drawing

PAN solvent residue affecting carbonization

Solvent residue is an important source of carbon fiber defects

Material Drying solvent residuewater washingdryingporescarbonization

PAN pre-oxidation process exotherm out of control

Pre-oxidation exotherm control is the process safety key in carbon fiber manufacturing

Molding Process pre-oxidationexothermstep heatingcyclization reactiontow density

PAN fiber uneven fineness

Fineness uniformity is a basic requirement for high-performance carbon fiber

Extrusion & Post finenessmetering pumpspinneret holedrawinguniformity

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