采用中间相沥青微粒在旋转式反应釜中与氟气进行反应制备出氟化沥青。
Pitch fluoride powders were prepared through the reaction between mesophase pitch grain and fluorine gas in rotative nickel reactor.
煤焦沥青Coal tar：煤焦沥青是炼焦的副产品，即焦油蒸馏后残留在蒸馏釜内的黑色物质。
Coal tar is a by-product of coking, namely tar distillation residue in distillation kettle black material.
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