CN102763897A - Method for making polylactic acid fiber filter stick - Google Patents
Method for making polylactic acid fiber filter stick Download PDFInfo
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- CN102763897A CN102763897A CN2012102412740A CN201210241274A CN102763897A CN 102763897 A CN102763897 A CN 102763897A CN 2012102412740 A CN2012102412740 A CN 2012102412740A CN 201210241274 A CN201210241274 A CN 201210241274A CN 102763897 A CN102763897 A CN 102763897A
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- filter stick
- acid fiber
- polylactic
- polylactic acid
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Abstract
The invention discloses a method for making a polylactic acid fiber filter stick. The method comprises the following steps of: (1) loosening: loosening a polylactic acid fiber cigarette tow by using a filter stick molding machine set, wherein the line density of the polylactic acid fiber cigarette tow is 3.5-5.0Ktex; (2) gluing: spraying a degradable adhesive onto the loosened polylactic acid fiber cigarette tow; (3) molding and cutting down; (4) drying the filter stick; and (5) balancing: putting the dried filter stick into a balance chamber to be balanced more than 6 hours so as to make the polylactic acid fiber filter stick. With the adoption of the method for making the polylactic acid fiber filter stick, the problem of industrial production of the polylactic acid fiber filter stick can be solved, the production can be carried out by only using an existing filter stick molding machine set in market, the smoking taste of the made filter stick is approximate to that of a vinegar fiber stick, and the requirements on use of the cigarette can be met.
Description
Technical field
The present invention relates to a kind of preparation method of filter stick for cigarettes, especially a kind of preparation method of the acid fiber by polylactic filter stick that can degrade fully.
Background technology
Cigaratte filter improves the cigarette grade and plays great role reducing tar and reducing harm, is an indispensable part in the production of cigarettes process.Cigarette filter tip material in the market mainly contains two kinds, and the one, cellulose acetate filter rod, the 2nd, polypropylene fibre filter stick.The cellulose acetate filter rod combination property is superior; Be mainly used in medium-to-high grade cigarette; But acetate silk is to be raw material with perennial high-quality timber, produces the cellulose diacetate sheet through chemical reaction, produces with dry spinning behind the acetone solution again; Whole process of production complex process, investment be big, cost an arm and a leg, and also is prone to bring environmental pollution.The forest reserves of China are limited, and lumber quality also is not suitable for producing cellulose acetate, annual a large amount of import cellulose acetates and the acetate silk of needing.And in recent years; Enhancing day by day along with serious day by day and people's environmental consciousness of deforestation; High-quality timber producing countries such as Canada have begun to limit deforestation; Thereby make being becoming tight supply day of interior cellulose acetate of worldwide and acetate silk, this has determined the acetate fiber filter rod in low and middle-grade cigarettes, not use in a large number.On the other hand, cellulose itself can be degraded, but after the acetic acid esterification, biodegradability descends to some extent, no longer belongs to proper degradable material.Polypropylene fibre tow source is abundant, and production process is simple, and price is lower, but because the design feature of polypropylene fibre itself, the filter rod combination property of production is relatively poor, can only be used for low-grade cigarette.Polypropylene fibre can not biodegradation, a large amount of use, and the discarded object of generation is unfavorable to environment.
In recent years, biodegradated polymer materal had had fast development, particularly lactide acid polymer; Like PLA, the polymer of lactic acid and glycolic etc. are under field conditions (factors) or under people's concrete conditions in the establishment of a specific crime; Biodegradation can take place; Finally becoming carbon dioxide and water, do not stay any pollutant, is genuine environmental friendliness, green material.PLA is a kind of biodegradable novel high polymer material; Be that to produce the lactic acid product be raw material through modern biotechnology with crops such as corn, sugarcane, potato, sweet potatoes; The macromolecular material that generates through special polymerization process again; Its raw material is the plant resources of rapid regeneration soon, and raw material sources are abundant, cheap.
In recent years, domestic research aspect the acid fiber by polylactic tow is more.Number of patent application is the production method that 200610131699.0 and 201010229540.9 patent application discloses the acid fiber by polylactic pipe tobacco; Changchun Inst. of Applied Chemistry, Chinese Academy of Sciences's research shows: the PLA pipe tobacco has higher adsorption/absorption ability to polarity and nonpolar smoke components gas; But to the absorption of nicotine seldom, the filter-tip cigarette of PLA has own unique suction flavor style.The PLA cigarette filter has with the close filter capacity of cellulose diacetate filter tip, can effectively filter the harmful substance in the flue gas, and filter effect is superior to polypropylene.
Research report aspect the acid fiber by polylactic filter stick is less, and technological achievement is not overripened yet.Bibliographical information has been arranged a kind of preparation method of filter stick for cigarettes; This method adopts plasticizer such as triacetyl glycerine, glyceride lactate, citric acid glyceride that the acid fiber by polylactic tow of low crystallization is carried out the bonding filter stick of preparing of plasticising; But the filter stick that utilizes this method to process is deposited and is had shrinkage phenomenon in the process; Hardness is low, tangent plane drop-head, poor heat resistance, can not satisfy the cigarette instructions for use.Domestic also have unit to develop the acid fiber by polylactic filter stick with the third fine water emulsion, and physical indexs such as the filter stick hardness of production, circumference, tangent plane are better, though but the cigarette odor-absorbing that connects behind the cigarette is better than the third fine rod, still have gap and compare with the fine rod of vinegar; And third fine water emulsion degradation property relatively poor, the good degradation property of acid fiber by polylactic can not embody fully, this filter stick promotional value is little.
Summary of the invention
Technical problem to be solved by this invention provides a kind of preparation method of acid fiber by polylactic filter stick; Can solve the suitability for industrialized production problem of acid fiber by polylactic filter stick; Use existing commercially available filter stick formation unit to produce; The filter stick cigarette odor-absorbing of preparation is near the fine filter stick of vinegar, and can satisfy the cigarette instructions for use.
For solving the problems of the technologies described above, the technical scheme that the present invention adopted is: a kind of preparation method of acid fiber by polylactic filter stick, and this method may further comprise the steps:
(1) shredding: on commercially available filter stick formation unit, the acid fiber by polylactic pipe tobacco that with line density is 3.5～5.0Ktex is with the shredding of filter stick formation unit, and spreading width is 18～23cm;
(2) gluing: degradable adhesive is sprayed on the acid fiber by polylactic pipe tobacco of shredding;
(3) moulding and cut-out: the acid fiber by polylactic pipe tobacco after the gluing is sent into the opium pipe of commercially available filter stick formation unit, select for use forming paper to roll and take a mouthful moulding, and cut into the filter stick of designated length;
(4) filter stick oven dry;
(5) balance: the filter stick after will drying is put into balance cylinder's balance can make a kind of acid fiber by polylactic filter stick more than 6 hours.
In the step (2); Degradable adhesive is modification lactic acid adhesive or modified starch adhesive; Modification lactic acid adhesive can adopt lactic acid or lactic acid oligomer grafted acrylate or vinylacetate etc. and the water-based emulsion bond that forms, and modified starch adhesive can adopt oxidized starch glue, starch acetate glue, carboxyl amylan, polyvinyl alcohol modification amylan etc.
The weight of degradable adhesive is 8～20% of acid fiber by polylactic pipe tobacco weight.
In the step (3), forming paper is common forming paper or high porosity plug wrap paper; The overlapping glue that uses is used water base overlapping glue as cigarette; Between inboard middle part of forming paper and acid fiber by polylactic pipe tobacco, can add or not add center line glue, center line glue is that cigarette is used water base overlapping glue.
In the step (4), bake out temperature is 60～120 ℃, and drying time is 30～90 minutes.
In the step (5), equilibrium humidity is 60 ± 5%, and equilibrium temperature is 22 ± 2 ℃.
Above-mentioned commercially available filter stick formation unit is ZL21 type or ZL23 type filter stick formation unit.
The preparation method of a kind of acid fiber by polylactic filter stick provided by the invention, beneficial effect is following:
1, complete biodegradable, tow itself and their catabolite are harmless to human non-toxic, and environment is not polluted.
2, the primary raw material of production acid fiber by polylactic filter stick is the acid fiber by polylactic pipe tobacco, and the primary raw material of acid fiber by polylactic is a lactic acid, be the tunning of starch, and starch is renewable resource, can produce in a large number, and low price, and then reduced production cost.
3, mainly adopt acid fiber by polylactic pipe tobacco and degradable adhesive; Can solve the suitability for industrialized production problem of acid fiber by polylactic filter stick; Use existing commercially available filter stick formation unit to produce, the filter stick of preparation has unique suction flavor style to the Filtration Adsorption function admirable of cigarette smoke; Obviously be superior to the polypropylene fibre filter stick, can on medium-to-high grade cigarette, apply.
The specific embodiment
Embodiment 1
Selecting tow line density for use is that 4.2ktex, monofilament linear density are the acid fiber by polylactic pipe tobacco of 3.8dtex; On ZL21 type filter stick formation unit, after its shredding, the spreading width of shredding is 18～23cm; The modified starch adhesive that spray adds acid fiber by polylactic pipe tobacco weight 15% uses specification to be 26g/m
2, width is the high porosity plug wrap paper of 26.5mm, roll-forming was produced the filter stick that specification is 144mm * 24.1mm, 80 ℃ of oven dry 60 minutes; Under the condition of 22 ℃ of temperature, humidity 60%, balance is more than 6 hours then, and sampling detects; Filter stick hardness is 88%, and resistance to suction is 3300Pa, and the filter stick outward appearance is good, tangent plane is smooth; It is smooth that last machine connects cigarette, and cigarette odor-absorbing can satisfy the cigarette instructions for use near the fine filter stick of vinegar.
Embodiment 2
Selecting tow line density for use is that 4.8ktex, monofilament linear density are the acid fiber by polylactic pipe tobacco of 4.4dtex; On ZL21 type filter stick formation unit, after its shredding, the spreading width of shredding is 18～23cm; The modified starch adhesive that spray adds acid fiber by polylactic pipe tobacco weight 12% uses specification to be 40g/m
2, width is the common forming paper of 26.5mm, roll-forming was produced the filter stick that specification is 100mm * 24.1mm, 90 ℃ of oven dry 50 minutes; Under the condition of 22 ℃ of temperature, humidity 60%, balance is more than 6 hours then, and sampling detects; Filter stick hardness is 89%, and resistance to suction is 2800Pa, and the filter stick outward appearance is good, tangent plane is smooth; It is smooth that last machine connects cigarette, and cigarette odor-absorbing can satisfy the cigarette instructions for use near the fine filter stick of vinegar.
Embodiment 3
Selecting tow line density for use is that 4.5ktex, monofilament linear density are the acid fiber by polylactic pipe tobacco of 3.8dtex; On ZL23 type filter stick formation unit, after its shredding, the spreading width of shredding is 18～23cm; The modified starch adhesive that spray adds acid fiber by polylactic pipe tobacco weight 18% uses specification to be 40g/m
2, width is the common forming paper of 26.5mm, roll-forming was produced the filter stick that specification is 100mm * 24.0mm, 90 ℃ of oven dry 50 minutes; Under the condition of 22 ℃ of temperature, humidity 60%, balance is more than 6 hours then, and sampling detects; Filter stick hardness is 89%, and resistance to suction is 2900Pa, and the filter stick outward appearance is good, tangent plane is smooth; It is smooth that last machine connects cigarette, and cigarette odor-absorbing can satisfy the cigarette instructions for use near the fine filter stick of vinegar.
Embodiment 4
Selecting tow line density for use is that 4.5ktex, monofilament linear density are the acid fiber by polylactic pipe tobacco of 3.5dtex; On ZL21 type filter stick formation unit; After its shredding; The spreading width of shredding is 18～23cm, and the modification lactic acid adhesive that spray adds acid fiber by polylactic pipe tobacco weight 12% uses specification to be 40g/m
2, width is the common forming paper of 26.5mm, roll-forming was produced the filter stick that specification is 120mm * 24.0mm, 90 ℃ of oven dry 50 minutes; Under the condition of 22 ℃ of temperature, humidity 60%, balance is more than 6 hours then, and sampling detects; Filter stick hardness is 89%, and resistance to suction is 3500Pa, and the filter stick outward appearance is good, tangent plane is smooth; It is smooth that last machine connects cigarette, and cigarette odor-absorbing can satisfy the cigarette instructions for use near the fine filter stick of vinegar.
Embodiment 5
Selecting tow line density for use is 3.5ktex; Monofilament linear density is the acid fiber by polylactic pipe tobacco of 3.2dtex; On ZL21 type filter stick formation unit, after its shredding, the spreading width of shredding is 18～23cm; The modification lactic acid adhesive that spray adds acid fiber by polylactic pipe tobacco weight 8% uses specification to be 40g/m
2, width is the common forming paper of 26.5mm, roll-forming was produced the filter stick that specification is 100mm * 24.0mm, 60 ℃ of oven dry 90 minutes; Under the condition of 22 ℃ of temperature, humidity 60%, balance is more than 6 hours then, and sampling detects; Filter stick hardness is 86%, and resistance to suction is 2200Pa, and the filter stick outward appearance is good, tangent plane is smooth; It is smooth that last machine connects cigarette, and cigarette odor-absorbing can satisfy the cigarette instructions for use near the fine filter stick of vinegar.
Embodiment 6
Selecting tow line density for use is that 5.0ktex, monofilament linear density are the heat-proof polylactic acid fiber pipe tobacco of 4.5dtex; On ZL23 type filter stick formation unit; After its shredding; The spreading width of shredding is 18～23cm, and the modification lactic acid adhesive that spray adds acid fiber by polylactic pipe tobacco weight 20% uses specification to be 35g/m
2, width is the common forming paper of 26.5mm, roll-forming was produced the filter stick that specification is 120mm * 24.1mm, 120 ℃ of oven dry 30 minutes; Under the condition of 22 ℃ of temperature, humidity 60%, balance is more than 6 hours then, and sampling detects; Filter stick hardness is 90%, and resistance to suction is 3500Pa, and the filter stick outward appearance is good, tangent plane is smooth; It is smooth that last machine connects cigarette, and cigarette odor-absorbing can satisfy the cigarette instructions for use near the fine filter stick of vinegar.
Among above-mentioned each embodiment; Degradable adhesive is modification lactic acid adhesive or modified starch adhesive; Modification lactic acid adhesive can adopt lactic acid or lactic acid oligomer grafted acrylate or vinylacetate etc. and the water-based emulsion bond that forms, and modified starch adhesive can adopt oxidized starch glue, starch acetate glue, carboxyl amylan, polyvinyl alcohol modification amylan etc.
Claims (6)
1. the preparation method of an acid fiber by polylactic filter stick is characterized in that this method may further comprise the steps:
(1) shredding: on commercially available filter stick formation unit, the acid fiber by polylactic pipe tobacco that with line density is 3.5～5.0Ktex is with the shredding of filter stick formation unit;
(2) gluing: degradable adhesive is sprayed on the acid fiber by polylactic pipe tobacco of shredding;
(3) moulding and cut-out: the acid fiber by polylactic pipe tobacco after the gluing is sent into the opium pipe of commercially available filter stick formation unit, select for use forming paper to roll and take a mouthful moulding, and cut into the filter stick of designated length;
(4) filter stick oven dry;
(5) balance: the filter stick after will drying is put into balance cylinder's balance can make a kind of acid fiber by polylactic filter stick more than 6 hours.
2. the preparation method of a kind of acid fiber by polylactic filter stick according to claim 1 is characterized in that: in the step (1), the spreading width of shredding is 18～23cm.
3. the preparation method of a kind of acid fiber by polylactic filter stick according to claim 1 and 2 is characterized in that: step 2) in, degradable adhesive is modification lactic acid adhesive or modified starch adhesive.
4. the preparation method of a kind of acid fiber by polylactic filter stick according to claim 1 and 2 is characterized in that: rapid 2), the weight of degradable adhesive is 8～20% of acid fiber by polylactic pipe tobacco weight.
5. the preparation method of a kind of acid fiber by polylactic filter stick according to claim 1 and 2 is characterized in that: in the step (4), bake out temperature is 60～120 ℃, and drying time is 30～90 minutes.
6. the preparation method of a kind of acid fiber by polylactic filter stick according to claim 1 and 2 is characterized in that: in the step (5), equilibrium humidity is 60 ± 5%, and equilibrium temperature is 22 ± 2 ℃.
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| Application Number | Priority Date | Filing Date | Title |
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| CN2012102412740A CN102763897B (en) | 2012-07-13 | 2012-07-13 | Method for making polylactic acid fiber filter stick |
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| CN2012102412740A CN102763897B (en) | 2012-07-13 | 2012-07-13 | Method for making polylactic acid fiber filter stick |
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| CN102763897B CN102763897B (en) | 2013-12-04 |
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Cited By (5)
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| CN105852208A (en) * | 2016-05-31 | 2016-08-17 | 湖北中烟工业有限责任公司 | Smoke filter liquid for cigarette filters as well as preparation method and application of smoke filter liquid |
| CN108542003A (en) * | 2018-04-19 | 2018-09-18 | 湖北金叶玉阳化纤有限公司 | A kind of low resistance to suction polylactic acid filter stick and preparation method thereof |
| CN111109651A (en) * | 2019-12-30 | 2020-05-08 | 恒天长江生物材料有限公司 | Preparation method of biodegradable composite fiber glue-free hollow filter stick |
| RU2776142C2 (en) * | 2017-11-28 | 2022-07-14 | Филип Моррис Продактс С.А. | Aerosol generating product with improved cavity at mouthpiece end |
| US11672273B2 (en) | 2017-11-28 | 2023-06-13 | Philip Morris Products S.A. | Aerosol generating article with improved mouth end cavity |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105852208A (en) * | 2016-05-31 | 2016-08-17 | 湖北中烟工业有限责任公司 | Smoke filter liquid for cigarette filters as well as preparation method and application of smoke filter liquid |
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| RU2776142C2 (en) * | 2017-11-28 | 2022-07-14 | Филип Моррис Продактс С.А. | Aerosol generating product with improved cavity at mouthpiece end |
| US11672273B2 (en) | 2017-11-28 | 2023-06-13 | Philip Morris Products S.A. | Aerosol generating article with improved mouth end cavity |
| CN108542003A (en) * | 2018-04-19 | 2018-09-18 | 湖北金叶玉阳化纤有限公司 | A kind of low resistance to suction polylactic acid filter stick and preparation method thereof |
| CN108542003B (en) * | 2018-04-19 | 2020-10-23 | 湖北金叶玉阳化纤有限公司 | Low-suction-resistance polylactic acid filter stick and preparation method thereof |
| CN111109651A (en) * | 2019-12-30 | 2020-05-08 | 恒天长江生物材料有限公司 | Preparation method of biodegradable composite fiber glue-free hollow filter stick |
| CN111109651B (en) * | 2019-12-30 | 2021-12-14 | 恒天长江生物材料有限公司 | Preparation method of biodegradable composite fiber glue-free hollow filter stick |
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| CN102763897B (en) | 2013-12-04 |
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Effective date of registration: 20200921 Address after: 444100 No. 336, mayor ban Road, Dangyang, Yichang, Hubei Patentee after: HUBEI JINYE YUYANG CHEMICAL FIBRE Co.,Ltd. Patentee after: Shenzhen Ruifeng New Material Technology Group Co., Ltd Address before: 444100 Guangzhou Road, Hubei city of Yichang Province Dangyang city No. 77 Patentee before: HUBEI JINYE YUYANG CHEMICAL FIBRE Co.,Ltd. |