The solubility parameter of phenolphthalein poly (ether sulfone) (PES-C) was determinated by using turbidity titration method, and estimated by using group contribution method.
采用浊度滴定法测定和基团贡献法估算了酚酞基聚醚砜的溶解度参数。
Some dozens of high temperature resistant fibers have been applied now, and some new styles such as poly (ether sulfone) (PES) fiber is in testing.
目前已应用的有几十种，尚有一些新品种，如聚醚砜纤维，正处于研究阶段。
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