The polymer with a viscosityaveragemolecularweight beyond 200 000 was fairly reproducible by optimizing the polymerization conditions.
优化聚合条件可以获得粘均分子量大于200 000的聚丙交酯材料，聚合结果具有良好的重复性。
2
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.
利用粘度法测定聚丙烯酸支链的平均分子量，红外光谱法分析接枝共聚物的结构。
3
Use viscometry to determine viscosity-averagemolecularweight of oxidated polyethylene wax and introduce the measurement, process and effect factors in detail.