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    • 9. 发明授权
    • REVERSIBLE DERIVATIZATION OF POLY (ARYL ETHER KETONES)
    • 聚(芳基醚酮)的可逆衍生化
    • EP2152780B1
    • 2017-09-06
    • EP08755634.6
    • 2008-05-16
    • CYTEC TECHNOLOGY CORP.
    • CROSS, Paul, MarkMCGRAIL, Patrick, TerenceCOLQUHOUN, Howard, MatthewPAOLONI, Francois, Pierre, VincentHODGE, PhilipIOANNIS, Manolakis
    • C08G65/48C08J5/24
    • C08J5/24C08G65/48C08J2381/02C08L71/10C08L81/06
    • The embodiments of the present disclosure present systems and methods for the reversible solubilization of (aryl ether ketones) (PAEKs). A thioacetalization process is employed to modify the PAEKs into poly (aryl ether thioacetals) which, unlike PAEKs, are substantially soluble in common solvents. This modification allowing selected analysis techniques to be more easily performed on PAEKs1 such as gel permeation chromatography. The thioacetalization may be reversed through a deprotection reaction to recover the original PAEK without substantial degradation, allowing for non-destructive characterization of the PAEK. Advantageously, the thioacetalization process is generally applicable to a broad range of PAEKs, unlike presently known methods of solubilizing PAEKs. Solubilization of PAEKs further expands the utility of the PAEKs, opening up additional routes to chemical modification of PAEKs, as well as allowing for the possibility of processing PAEKs from solution.
    • 本公开的实施方案提出了用于(芳基醚酮)(PAEK)的可逆增溶的系统和方法。 采用硫缩醛法将PAEK改性成聚(芳基醚硫代缩醛),与PAEK不同,它们基本上可溶于普通溶剂。 这种修改使得选择的分析技术更容易在PAEKs1上进行,例如凝胶渗透色谱。 通过脱保护反应可以使硫缩醛化作用逆转以回收最初的PAEK而没有实质降解,从而允许对PAEK进行非破坏性表征。 有利的是,不同于目前已知的增溶PAEK的方法,硫缩醛法通常适用于宽范围的PAEK。 PAEK的溶解进一步扩大了PAEK的用途,开辟了PAEK的化学改性的另外途径,并且允许从溶液中处理PAEK的可能性。