采用适当的混合比例调制的可降解混合基础油，可以保持合成基础油的高性能、对添加剂的相容性能和敏感性。
The biodegradible mixed base oil, with appropriate proportion, could keep the high property of the synthesized base oil, compatibility and sensitivity to additives.
对现行的几种方法作了比较，指出淀粉是一种比较理想的添加剂，由此可制备生物可降解聚氨酯材料。
The preparation and the biodegradable properties of the PUs were introduced. It was emphasized that starch is a kind of more desirable additive to PU.
采用酯类和经过加氢精制茶籽油作为制冷压缩机油基础油，研制了一种可降解制冷压缩机油，并探讨了相应添加剂对生物降解过程产生的影响。
Using ester and hydrogenated tea seed oil as base oil, a biodegradation refrigeration compress lubricate oil was developed. The influence of additives on the biodegradation was discussed.
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