The firming agent, coupling agent, and surfactant were screened.The optimum composition of emulsive urea - formaldehyde resin sand -consolidating agent was selected.

• 筛选出了固化剂、偶联剂和表面活性剂,确定了乳化脲醛树脂固砂剂的最佳配方,考察了各因素对固结体性能的影响。