利用X射线光电子能谱（ XPS）研究了双酚A型聚砜薄膜在超高真空下X射线辐照所引起的表面化学组成变化。
The changes of surface composition of bisphenol A polysulphonefilms induced by X ray in ultrahigh vacuum have been studied using X ray photoelectron spectroscopy (XPS).
作为双酚a的代用品，可作为聚碳酸酯、环氧树脂、聚酯、酚醛树脂的原料，以及聚砜、聚醚砜的原料。也用于彩色摄影材料和热敏材料显色剂。
As substitutes for Bisphenol a, used for polycarbonate, epoxy resin, polyester, and phenolic resin synthesis, as well as developer for photographic material and thermal paper.
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