Material Drying
4 조회수
PAN solvent residue affecting carbonization
문제 현상
Residual solvent in PAN precursor volatilizes during carbonization, causing pores
원인 분석
Insufficient water washing after coagulation; incomplete solvent volatilization during drying
해결 방법
Increase the number of water washing stages and temperature (stepwise heating water washing); extend drying time and increase temperature; test residual liquid content <0.1%
핵심 요약
Solvent residue is an important source of carbon fiber defects
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