Method for preparing cigarette filter专利检索-过滤丝束烟草制品及加工专利检索查询-专利查询网

Method for preparing cigarette filter

阅读：604发布：2023-03-25

专利汇可以提供Method for preparing cigarette filter专利检索，专利查询，专利分析的服务。并且A method for preparing a cigarette filter of cellulose acetate fibers is provided, which is characterized by blooming a tow composed of cellulose acetate fibers, adding to the bloomed tow 1 to 20% by weight (based on the cellulose acetate fibers) of a plasticizer comprising as an ingredient a diglycerol ester compound and gathering the thus treated bloomed tow.，下面是Method for preparing cigarette filter专利的具体信息内容。

权利要求

1. A TOBACCO SMOKE FILTER COMPRISING A BUNDLE OF SUBSTANTIALLY LONGITUDINALLY EXTENDING CELLULOSE ACETATE FIBERS HAVING A SIZE OF FROM 1 TO 16 DENIER PER FIBER, SAID FIBERS BEING SUBSTANTIALLY UNIFORMLY COATED WITH FROM 1 TO 20% BY WEIGHT, BASED ON THE WEIGHT OF THE FIBERS, OF A PLASTICIZER COMPRISING AS AN INGREDIENT A COMPOUND OR A MIXTURE OF COMPOUNDS HAVING THE FORMULA:

2. A tobacco smoke filter according to claim 1, in which the amount of plasticizer is from 5 to 10% by weight, based on the weight of the cellulose acetate fibers.

3. A method for preparing a cigarette filter of cellulose acetate fibers, which comprises blooming a tow composed of cellulose acetate fibers, distributing uniformly throughout the bloomed tow from 1 to 20% by weight, based on the cellulose acetate fibers, of a plasticizer comprising as an ingredient a compound or a mixture of compounds having the formula:

4. A method according to claim 3, wherein said plasticizer consists essentially of said ingredient.

5. A method according to claim 3, wherein said plasticizer contains at least 50% by weight of said ingredient.

6. A method according to claim 5, wherein the remainder of said plasticizer is a substance selected from the group consisting of triacetin and the diacetate, dipropionate and dibutyrate esters of polyethylene glycol.

7. A method according to claim 3, wherein the amount of said plasticizer is from 5 to 10%, based on the cellulose acetate fibers.

说明书全文

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Method for preparing cigarette filter

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