本文研究了聚丙二醇的合成和精制方法。
The preparation and purification process of polypropylene glycol was studied.
制备了一种以聚丙二醇增韧改性的环氧树脂为母体，接枝丙烯酸单体所形成主体树脂，经离子化反应得到阴极电泳涂料。
A cathodic electrodeposition coatings was prepared employing a polypropylene glycol toughness-enhanced epoxy resin as matrix and acrylic monomers as grafted copolymer.
采用具有较高特性黏度、含成核剂的聚对苯二甲酸丙二醇酯（PTT）。
Synthesize polytrimethylene terephthalate with higher characteristic viscosity and nucleating agent.
从加工和使用过程中纤维聚集态中分子链构象的有序化转变，研究聚对苯二甲酸丙二醇酯（ PTT）纤维的弹性回复机理。
The elasticity recovering mechanism of PTT fibers was studied through the ordering transformation of molecular chain conformation in aggregation of fibers in the course of processing and using.
以1,3 -丙二醇为单体生产的聚对苯二甲酸二醇酯是一种新型聚酯材料，具有优良的特性，是目前合成纤维新品种开发热点。
Polyterephthalate produced based on monomeric 1, 3-propanediol is a new polyester material with excellent performance, it is becoming a hot point to develop new synthetic fiber currently.
结果表明，丙二醇嵌段聚醚接枝聚硅氧烷破乳剂比其前身物具有更好的界面性能和破乳能力。
The modified polysiloxane showed much imporoved interfacial behaviors and higher demulsification efficiency due to the effects originated from the molecular structure of the demulsifiers.
聚富马酸丙二醇酯(PPF)是一种不饱和线性聚酯，PPF结构上不饱和双键的存在使得其能发生原位交联。
Poly (propylene fumarate) (PPF) is an unsaturated linear polyester with fumarate double bonds that can be crosslinked in situ.
研究了聚对苯二甲酸丙二醇酯（PTT） ，PET ，CDP在不同温度和时间下的特性粘数和端羧基含量的变化。
The changes of intrinsic viscosity and end carboxyl group content with temperature and time were studied for poly(trimethylene terephthalate)(PTT), PET and CDP.
采用直接酯化缩聚路线合成了具有较高特性黏度、含成核剂的聚对苯二甲酸丙二醇酯（ PTT） 材料。
By using the direct esterification polycondensation method synthesized polytrimethylene terephthalate with higher characteristic viscosity and nucleating agent.
通过急性经口毒性试验测定了己二酸聚1,2 -丙二醇酯和邻苯二甲酸聚1,3 -丁二醇酯的毒性。
The toxicity of poly 1, 2-propylene adipate and poly 1, 3-butylene phthalate were determined by the acute toxicity tests.
通过急性经口毒性试验测定了己二酸聚1,2 -丙二醇酯和邻苯二甲酸聚1,3 -丁二醇酯的毒性。
The toxicity of poly 1, 2-propylene adipate and poly 1, 3-butylene phthalate were determined by the acute toxicity tests.
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