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

 
  • 篩選出了固化劑、偶聯(lián)劑和表面活性劑,確定了乳化脲醛樹(shù)脂固砂劑的最佳配方,考察了各因素對固結體性能的影響。
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