A coal-tar pitch/poly (vinyl chloride-co-vinyl acetate, VC-co-VAC) /polyurethane (PU) composite was obtained by adding coal-tar pitch as filling agent to P (VC-co-VAC) /PU prepolymer.

• 摘要以煤沥青粉为填充剂，与氯醋／聚氨酯预聚体进行常温溶液共混，合成煤沥青粉填充的氯醋／聚氨酯复合材料。