The result shows the viscosity-averagemolecularweight of poly(L-lactic acid) attains to 232,000 synthesized by optimizing the reactive conditions.
结果表明:通过优化反应条件,使得在苯溶剂中合成出的聚L-乳酸的粘均分子量可达到232,000。
2
Use viscometry to determine viscosity-averagemolecularweight of oxidated polyethylene wax and introduce the measurement, process and effect factors in detail.
用粘度法测定氧化聚乙烯蜡的粘均分子量。 对测定方法、步骤及影响因素做了详细介绍。
3
This paper studies the averagemolecularweight of branched chain of poly ( acrylic acid) by viscosity method. The structure of graft copolymer is also measured by IR method.