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    • 8. 发明申请
    • PVA HYDROGEL
    • US20090131548A1
    • 2009-05-21
    • US12170303
    • 2008-07-09
    • Orhun K. MuratogluStephen H. SpiegelbergJeffrey W. RubertiNiels A. Abt
    • Orhun K. MuratogluStephen H. SpiegelbergJeffrey W. RubertiNiels A. Abt
    • C08J3/28
    • C08J3/28C08J2329/04Y10S524/916
    • The present invention provides methods of making covalently crosslinked vinyl polymer hydrogels having advantageous physical properties, and covalently crosslinked vinyl polymer hydrogel compositions made by such methods, as well as articles of manufacture comprising such covalently crosslinked vinyl polymer hydrogel compositions. The physical properties of the produced hydrogels can be adjusted by varying controlled parameters such as the proportion of physical associations, the concentration of polymer and the amount of radiation applied. Such covalently crosslinked vinyl polymer hydrogels can be made translucent, preferably transparent, or opaque depending on the processing conditions. The stability of the physical properties of the produced vinyl polymer hydrogel can be enhanced by controlling the amount of covalent crosslinks.
    • 本发明提供了制备具有有利物理性质的共价交联的乙烯基聚合物水凝胶和通过这些方法制备的共价交联的乙烯基聚合物水凝胶组合物的方法,以及包含这种共价交联的乙烯基聚合物水凝胶组合物的制品。 所产生的水凝胶的物理性质可以通过改变受控参数来调节,例如物理缔合的比例,聚合物的浓度和施加的辐射量。 根据加工条件,这种共价交联的乙烯基聚合物水凝胶可以制成半透明的,优选透明的或不透明的。 所制备的乙烯基聚合物水凝胶的物理性质的稳定性可以通过控制共价交联剂的量来增强。