Different grades of crystal polystyrene molding pellets range from 150,000 to 350,000 weightaveragemolecularweight.
不同牌号的结晶聚苯乙烯模塑粒料平均分子量范围从150,000 - 350,000。
2
The number averagemolecularweight was determined as 78 650, the weightaveragemolecularweight as 125 446, the molecular weight distribution as 1. 59 by gel permeation chromatography.