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    • 7. 发明申请
    • Filter Element Comprising Multifunctional Fibrous Smoke-Altering Material
    • 过滤元件包括多功能纤维烟雾改性材料
    • US20120024304A1
    • 2012-02-02
    • US12847228
    • 2010-07-30
    • Andries Don Sebastian
    • Andries Don Sebastian
    • A24D3/10A24D3/12B29C71/04B29C70/00B29C71/00A24D3/00A24D3/16
    • A24D3/0229A24D3/08A24D3/10A24D3/12A24D3/16D01F1/10D01F2/28D01F6/04D06M10/04D06M11/74D06M11/77D06M11/79D06M15/233D06M15/263D06M15/41D06M15/55D06M23/08
    • A filter element for use in a smoking article and providing filtration of particulate material and gaseous components of mainstream smoke is provided. The filter element includes a segment of fibrous tow comprising a plurality of individual filaments, wherein each individual filament includes a plurality of adsorbent material particles at least partially encapsulated with a removable encapsulant imbedded therein. The individual filaments may further include an outer coating that provides a plurality of reactive groups adapted for reaction with one or more components of mainstream smoke. Alternatively, the multifunctional filter element combines different fibrous filter materials, such as cellulose acetate or polyolefin filaments combined with activated carbon filaments and at least one of ion exchange filaments and catalytic filaments. A method of providing a cellulose acetate fibrous tow containing an imbedded adsorbent material is provided, wherein a plurality of encapsulated adsorbent particles are mixed with a cellulose acetate dope.
    • 提供了用于吸烟制品并提供颗粒材料和主流烟雾的气体组分的过滤的过滤元件。 过滤元件包括一段纤维束,其包括多根单独的长丝,其中每个单独的细丝包括至少部分地被嵌入其中的可移除密封剂封装的多个吸附剂材料颗粒。 单个细丝还可以包括外涂层,其提供适于与主流烟雾的一种或多种组分反应的多个反应性基团。 或者,多功能过滤元件组合不同的纤维过滤材料,例如与活性炭丝组合的乙酸纤维素或聚烯烃长丝以及离子交换丝和催化丝中的至少一种。 提供了一种提供含有嵌入式吸附剂材料的乙酸纤维素纤维丝束的方法,其中多个包封的吸附剂颗粒与醋酸纤维素混合物。