and a CR/CIIR blend with better comprehensive physical properties was obtained when CR/CIIR with 80/20 blending ratio,40 phr carbon black N550 and 10 phr cumar resin were used.

• 当CR/CIIR并用比为80/20、补强剂为炭黑N550(用量40份)、增塑剂为固体古马隆树脂(用量10份)时,并用胶的综合物理性能较好。