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    • 45. 发明申请
    • NANOCELLULOSE FOAM CONTAINING ACTIVE INGREDIENTS
    • 含有活性成分的纳米纤维素泡沫
    • US20130330417A1
    • 2013-12-12
    • US13912743
    • 2013-06-07
    • U.S. Army Research Laboratory ATTN: RDRL-LOC-I
    • Hong DongJames F. Snyder
    • A61L15/44
    • A61L15/425A61L15/28A61L15/44A61L2300/104A61L2300/404A61L2400/12C08L1/02Y10T428/268
    • Nanocellulose foams containing at least one active ingredient and methods of preparing such nanocellulose foams containing one or more active ingredients are provided herein. In some embodiments, a method for preparing nanocellulose foam containing active ingredients may include forming a liquid mixture of nanocellulose, wherein the nanocellulose is at least one of dispersed, suspended or gelled in the liquid mixture; drying the liquid mixture of nanocellulose to form a nanocellulose foam; and mixing at least one active ingredient into at least one of the liquid mixture of nanocellulose or the nanocellulose foam. In some embodiments, a nanocellulose structure may include a nanocellulose foam comprising at least one of a carboxylate group, a hydroxyl group, or a sulfate group bonded to an active ingredient. In some embodiments, the nanocellulose structures are enhanced or crosslinked with metal cations.
    • 提供含有至少一种活性成分的纳米纤维素泡沫以及制备含有一种或多种活性成分的纳米纤维素泡沫的方法。 在一些实施方案中,制备含有活性成分的纳米纤维素泡沫的方法可包括形成纳米纤维素的液体混合物,其中所述纳米纤维素是在所述液体混合物中分散,悬浮或胶凝中的至少一种; 干燥纳米纤维素的液体混合物以形成纳米纤维素泡沫; 并将至少一种活性成分混合到至少一种纳米纤维素或纳米纤维素泡沫的液体混合物中。 在一些实施方案中,纳米纤维素结构可以包括纳米纤维素泡沫,其包含与活性成分结合的羧酸根基团,羟基基团或硫酸根基团中的至少一种。 在一些实施方案中,纳米纤维素结构被增强或与金属阳离子交联。