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松香生产经验告诉我们,以油精含量较多的松脂为原料时,松香容易出现结晶现象。为了说明油精对松香结晶的影响。本年度协作计划分为两部分进行。一是由建瓯试验点在建瓯松香厂的生产性试验中直接证明油精对结晶的影响;二是由本试验组在试验室内进行油精、重油分馏对比以及主要馏分(包括原料、残渣)在性质上的分析比较,间接地说明油精对结晶有无影响。
Rosin production experience tells us that with more oil content of pine resin as raw material, rosin is prone to crystallization phenomenon. To illustrate the effect of olein on rosin crystallization. This year’s collaboration plan is divided into two parts. First, Jianou test point in the rosin plant Jianou production test directly to prove the effect of olein on the crystallization; Second, by the experimental group in the laboratory for olein, heavy oil fractional comparison and the main distillate (including raw materials, residue) In the nature of the analysis and comparison indirectly shows that olein has no effect on the crystallization.