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    • 31. 发明申请
    • Process for surface functionalsation of polymeric substrates using diaryl carbenes as reactive intermediates
    • 使用二芳基卡宾作为反应性中间体的聚合物基材的表面官能化方法
    • US20040127691A1
    • 2004-07-01
    • US10741288
    • 2003-12-19
    • Mark Gerard MoloneyWarren EbenezerKarim Awenat
    • C07C245/20
    • C08J7/12C07C245/14C07C245/20D06P1/008D06P5/22
    • An alternative technique whereby highly reactive carbene or nitrene species are generated from inert precursors under less harsh photolytic, and sometimes thermolytic, conditions has also been investigated for application to dyeing and other surface modifying processes of various natural and synthetic polymers. The chemistry of cargenes and nitrenes is well documented, and these reactive entities are known to form covalent bonds with many types of functional group groups. The application of these species to the surface modification or organic solids using different approaches both for the generation of the required carbenes or nitrenes, and for their reaction with the solid surface has been reported. Interestingly, although nitrenes (often generated from an azide or sulfonylazide precursor under photolytic or thermolytic conditions) are more stable, and therefore less reactive, than their carbene analogues, they have used much more widely for the dyeing of polymeric substrates.
    • 一种替代技术,其中在较不苛刻的光解作用下,惰性前体产生高反应性的卡宾或者腈类物质,并且有时热解条件也被研究用于各种天然和合成聚合物的染色和其它表面改性方法。 已证明了子基和亚硝基的化学性质,已知这些反应性实体与许多类型的官能团组形成共价键。 已经报道了这些物质对于表面改性或有机固体的应用,使用不同的方法来产生所需的卡宾或腈,以及它们与固体表面的反应。 有趣的是,虽然硝化物(通常在光解或热解条件下由叠氮化物或磺酰基叠氮化物前体产生)比它们的卡宾类似物更稳定,因此反应性更低,但它们对聚合物基材的染色使用更广泛。