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    • 10. 发明授权
    • Process for preparing polyarylene ethers
    • 聚亚芳基醚的制备方法
    • US06716956B2
    • 2004-04-06
    • US10040850
    • 2002-01-09
    • Timothy P. BenderChristine J. DeVisserRichard A. BurtPaul F. SmithMarko D. Saban
    • Timothy P. BenderChristine J. DeVisserRichard A. BurtPaul F. SmithMarko D. Saban
    • C08G1400
    • C08G65/4012
    • Disclosed is a process for preparing a polymer of the formula wherein x is an integer of 0 or 1, A is one of several specific groups, such as B is one of several specified groups, such as or mixtures thereof, and n is an integer representing the number of repeating monomer units, said process comprising (A) providing a reaction mixture which comprises (i) a solvent, (ii) a compound of the formula (iii) a compound of the formula (iv) a compound of the formula wherein a is an integer of from 1 to 5, R′ is a hydrogen atom, an alkyl group, an aryl group, an arylalkyl group, an alkylaryl group, an alkoxy group, an aryloxy group, an arylalkyloxy group, an alkylaryloxy group, a polyalkyleneoxy group, or a mixture thereof, and (v) a carbonate base; and (B) heating the reaction mixture and removing generated water from the reaction mixture, thereby effecting a polymerization reaction.
    • 公开了一种制备糠醛的聚合物的方法,x是0或1的整数,A是几个特定基团之一,例如B是若干指定基团之一,例如其混合物,n是表示数字的整数 所述方法包括(A)提供反应混合物,其包含(i)溶剂,(ii)式(iii)的化合物,式(iv)的化合物,所述式(Ⅳ)的化合物是 1〜5的整数,R'为氢原子,烷基,芳基,芳基烷基,烷基芳基,烷氧基,芳氧基,芳基烷氧基,烷氧基氧基,聚亚烷基氧基, 或其混合物,和(v)碳酸酯基; 和(B)加热反应混合物并从反应混合物中除去生成的水,从而进行聚合反应。