Surfactant OP was used as a wetting agent of sample and agar solution was used as a suspending agent, and the suspension of polymerized rosin was prepared by suspension technique.

• 以表面活性剂OP溶液为样品润湿剂,以琼脂溶液为悬浮剂,用悬浮液技术将聚合松香样品制成悬浮液;或以乙醇为溶剂,用乳化剂OP溶液乳化成乳浊液。