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    • 5. 发明专利
    • Degradable cigarette filter
    • 可降级香烟过滤器
    • JP2013153761A
    • 2013-08-15
    • JP2013090924
    • 2013-04-24
    • Celanese Acetate Llcセラニーズ アセテート,エルエルシー
    • ROBERTSON RAYMOND MTHOMAS WILLIAM C
    • A24D3/10
    • A24D3/10A24D3/061A24D3/068A24D3/14A24D3/16
    • PROBLEM TO BE SOLVED: To provide a degradable cigarette filter in which a degradation agent is not added into a cellulose acetate tow during its manufacture.SOLUTION: A degradable cigarette filter includes a filter element of a bloomed cellulose acetate tow, a plug wrap surrounding the filter element, and either a coating or a pill in contact with the tow. The coating and/or pill may be composed of a material adapted to catalyze hydrolysis of the cellulose acetate tow and a water-soluble matrix material. The material may be an acid, an acid salt, a base and/or a bacterium adapted to generate an acid. When water comes into contact with the water-soluble matrix material, the material adapted to catalyze hydrolysis is released and catalyzes the hydrolysis and subsequent degradation of the cellulose acetate tow.
    • 要解决的问题:提供一种可降解的香烟过滤嘴,其中在其制造过程中不将乙酸纤维素丝束中的降解剂加入。解决方案:可降解的香烟过滤嘴包括开花的醋酸纤维素丝束的过滤元件, 过滤元件,以及与丝束接触的涂层或丸剂。 涂层和/或丸可以由适于催化乙酸纤维素丝束和水溶性基质材料的水解的材料组成。 该材料可以是适于产生酸的酸,酸盐,碱和/或细菌。 当水与水溶性基质材料接触时,适于催化水解的材料被释放并催化乙酸纤维素丝束的水解和随后的降解。