Natural filtering material for filter tip and preparation method thereof
A filter material, a natural technology, applied in applications, smoke oil filter elements, tobacco, etc., to achieve the effects of simple production methods, reliable industrial application prospects, and low cost
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[0025] Example 1
[0026] Take the rush pith, after removing impurities and dust, soak it in a 0.5% chitosan aqueous solution by weight for 3 hours, and then filter to dry, and then put the filtered rush pith into a drying device and dry it at 102±2℃ After 2h, crush and sieving to obtain the required filter material of 20-40 mesh. The filter material was added to the filter rod in an amount of 5mg / 10mm to prepare a binary composite filter tip rod. When the binary composite filter tip is applied to cigarettes, it has the effect of reducing cigarette irritation, while reducing tar by 40% and reducing cigarette hazard evaluation index by 15%.
Example Embodiment
[0027] Example 2
[0028] Take the stalk pith and the corn pith at a ratio of 1:1, and after removing impurities and dust, they are immersed in a polymer solution. The polymer solution is prepared by 5% by weight of water-soluble starch and polyvinylpyrrolidone aqueous solution in a mass fraction ratio of 1:2. The soaking time is 5h, then the stem pulp material is drained and placed in a drying box at 102±2℃ for 1 hour, and then the dried stem pulp material is crushed and sieved to obtain the required filter material of 80-100 mesh. The filter material was added to the filter rod material in an additive amount of 3mg / 10mm to prepare a binary composite filter tip rod. When the binary composite filter tip is applied to cigarettes, there is no negative effect on the cigarette's sensory quality, while reducing the tar by 20% and reducing the cigarette harm evaluation index by 8%.
Example Embodiment
[0029] Example 3
[0030] Take the stem pith of sunflower and green pod in the ratio of 1:2, after removing impurities and dust, soak in 20% gum arabic aqueous solution for 0.5h, filter, dry at 102±2℃ for 3h, crush and pass Sieve to obtain the required filter material of 40-60 mesh. The filter material is added to the filter rod material in an amount of 10 mg / 10 mm to prepare a binary composite filter rod. Applying the binary composite filter tip to cigarettes does not have any negative impact on the cigarette sensory quality, while reducing tar by 56% and reducing the cigarette hazard evaluation index by 30%.
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