Carbon foams were prepared from coal tar pitch, petroleum mesophase pitch, and ar pitch.
分别以煤沥青、石油中间相沥青和AR沥青为前驱体制备炭泡沫材料。
A new syntan product prepared with tar phenol and lignin sulfonic acid.
以工业副产物木素磺酸和焦油酚为主要原料研制出一种新的合成鞣剂。
Bulk graphite was prepared from starting materials of calcined coke and coal tar pitch by the hot pressing process.
以煅后石油焦和煤沥青为基本原料，采用热压工艺制备了一系列石墨材料。
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