Xylylene comprises two isomeric organic compounds with the formula C6H4(CH2)2. These compounds are related to the corresponding quinones by replacement of the oxygen atoms by CH2 groups.
例句与用法
1.
Pdmaema can be cross - linked by quaternization to develop a positively charged dense network structure . according this mechanism , pdmaema / psf positively charged nanofiltration membrane was developed by interfacial polymerization using psf plate macrofiltration membrane as support layer , pre - polymer of pdmaema water solution as coating solution , p - xylylene dichloride / heptane as cross - linking agent 根据这一机理，以psf平板微孔膜为基膜， pdmaema预聚物水溶液为涂层液，以对二氯苄正庚烷溶液为交联剂，采用界面聚合法制备了pdmaema psf荷正电复合纳滤膜。
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