WO2014208900A1 - 담배필터용 라이오셀 소재 및 그 제조방법 - Google Patents
담배필터용 라이오셀 소재 및 그 제조방법 Download PDFInfo
- Publication number
- WO2014208900A1 WO2014208900A1 PCT/KR2014/004881 KR2014004881W WO2014208900A1 WO 2014208900 A1 WO2014208900 A1 WO 2014208900A1 KR 2014004881 W KR2014004881 W KR 2014004881W WO 2014208900 A1 WO2014208900 A1 WO 2014208900A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- lyocell
- spinning dope
- multifilament
- crimping
- tobacco
- Prior art date
Links
Classifications
-
- A—HUMAN NECESSITIES
- A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
- A24D—CIGARS; CIGARETTES; TOBACCO SMOKE FILTERS; MOUTHPIECES FOR CIGARS OR CIGARETTES; MANUFACTURE OF TOBACCO SMOKE FILTERS OR MOUTHPIECES
- A24D3/00—Tobacco smoke filters, e.g. filter-tips, filtering inserts; Filters specially adapted for simulated smoking devices; Mouthpieces for cigars or cigarettes
- A24D3/02—Manufacture of tobacco smoke filters
- A24D3/0204—Preliminary operations before the filter rod forming process, e.g. crimping, blooming
-
- A—HUMAN NECESSITIES
- A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
- A24D—CIGARS; CIGARETTES; TOBACCO SMOKE FILTERS; MOUTHPIECES FOR CIGARS OR CIGARETTES; MANUFACTURE OF TOBACCO SMOKE FILTERS OR MOUTHPIECES
- A24D3/00—Tobacco smoke filters, e.g. filter-tips, filtering inserts; Filters specially adapted for simulated smoking devices; Mouthpieces for cigars or cigarettes
- A24D3/06—Use of materials for tobacco smoke filters
-
- A—HUMAN NECESSITIES
- A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
- A24D—CIGARS; CIGARETTES; TOBACCO SMOKE FILTERS; MOUTHPIECES FOR CIGARS OR CIGARETTES; MANUFACTURE OF TOBACCO SMOKE FILTERS OR MOUTHPIECES
- A24D3/00—Tobacco smoke filters, e.g. filter-tips, filtering inserts; Filters specially adapted for simulated smoking devices; Mouthpieces for cigars or cigarettes
- A24D3/06—Use of materials for tobacco smoke filters
- A24D3/067—Use of materials for tobacco smoke filters characterised by functional properties
- A24D3/068—Biodegradable or disintegrable
-
- A—HUMAN NECESSITIES
- A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
- A24D—CIGARS; CIGARETTES; TOBACCO SMOKE FILTERS; MOUTHPIECES FOR CIGARS OR CIGARETTES; MANUFACTURE OF TOBACCO SMOKE FILTERS OR MOUTHPIECES
- A24D3/00—Tobacco smoke filters, e.g. filter-tips, filtering inserts; Filters specially adapted for simulated smoking devices; Mouthpieces for cigars or cigarettes
- A24D3/06—Use of materials for tobacco smoke filters
- A24D3/08—Use of materials for tobacco smoke filters of organic materials as carrier or major constituent
- A24D3/10—Use of materials for tobacco smoke filters of organic materials as carrier or major constituent of cellulose or cellulose derivatives
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/001—Combinations of extrusion moulding with other shaping operations
- B29C48/0019—Combinations of extrusion moulding with other shaping operations combined with shaping by flattening, folding or bending
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/022—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the choice of material
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01D—MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
- D01D1/00—Treatment of filament-forming or like material
- D01D1/02—Preparation of spinning solutions
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01D—MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
- D01D10/00—Physical treatment of artificial filaments or the like during manufacture, i.e. during a continuous production process before the filaments have been collected
- D01D10/06—Washing or drying
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01D—MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
- D01D5/00—Formation of filaments, threads, or the like
- D01D5/06—Wet spinning methods
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
- D01F2/00—Monocomponent artificial filaments or the like of cellulose or cellulose derivatives; Manufacture thereof
-
- D—TEXTILES; PAPER
- D02—YARNS; MECHANICAL FINISHING OF YARNS OR ROPES; WARPING OR BEAMING
- D02G—CRIMPING OR CURLING FIBRES, FILAMENTS, THREADS, OR YARNS; YARNS OR THREADS
- D02G1/00—Producing crimped or curled fibres, filaments, yarns, or threads, giving them latent characteristics
-
- D—TEXTILES; PAPER
- D02—YARNS; MECHANICAL FINISHING OF YARNS OR ROPES; WARPING OR BEAMING
- D02G—CRIMPING OR CURLING FIBRES, FILAMENTS, THREADS, OR YARNS; YARNS OR THREADS
- D02G1/00—Producing crimped or curled fibres, filaments, yarns, or threads, giving them latent characteristics
- D02G1/12—Producing crimped or curled fibres, filaments, yarns, or threads, giving them latent characteristics using stuffer boxes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
- B29K2001/00—Use of cellulose, modified cellulose or cellulose derivatives, e.g. viscose, as moulding material
- B29K2001/08—Cellulose derivatives
- B29K2001/12—Cellulose acetate
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2031/00—Other particular articles
- B29L2031/14—Filters
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2031/00—Other particular articles
- B29L2031/7414—Smokers'' requisites, e.g. pipe cleaners
- B29L2031/7416—Smokers'' requisites, e.g. pipe cleaners for cigars or cigarettes
-
- D—TEXTILES; PAPER
- D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B2201/00—Cellulose-based fibres, e.g. vegetable fibres
- D10B2201/20—Cellulose-derived artificial fibres
- D10B2201/28—Cellulose esters or ethers, e.g. cellulose acetate
-
- D—TEXTILES; PAPER
- D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B2503/00—Domestic or personal
Definitions
- the present invention relates to a lyocell material for a cigarette filter and a method of manufacturing the same.
- Tobacco filters are mostly composed of cellulose acetate fibers.
- Cellulose acetate fibers are currently produced by the following method. First, a flake of cellulose acetate as a raw material is dissolved in a solvent such as acetone to prepare a spinning stock solution of cellulose acetate. Then, the spinning stock solution is supplied to a spinning nozzle apparatus and spun by a dry spinning method discharged in a high temperature atmosphere to obtain cellulose acetate fibers.
- the cellulose acetate fibers used as the fibers for tobacco filters are suitably set in total fineness and finished as a fiber tow with a crimp band in order to facilitate the production of tobacco filters.
- the cigarette filter is formed by opening the cellulose acetate fiber tow with a cigarette filter plug winding device, attaching a plasticizer, and forming a rod with a filter winding paper, and cutting it into a predetermined length. It is becoming.
- Cellulose acetate is an acetate esterified cellulose and is essentially a biodegradable substance. In practice, however, these cellulose acetates are not necessarily biodegradable.
- a tobacco filter made of cellulose acetate fibers even if it is embedded in the soil, still maintains its original shape for a year or two, and takes a long time until the tobacco filter embedded in the soil is completely biodegraded.
- Cigarette filters are assembled into tobacco products, distributed to consumers, provided for smoking, and finally discarded after smoking of tobacco.
- the tobacco filter may be disposed of directly as a manufacturing residue from the tobacco filter manufacturing plant. These tobacco filter wastes are recovered as garbage and landfilled for disposal.
- the cigarette filter may be left in a natural environment without being recovered as garbage.
- the problem of tobacco filter waste rubbish is not merely visual, but the toxicity adsorbed by the tobacco filter used has been found to leach into the environment and potentially represent a biological hazard. This problem applies not only to cigarette filters, but also to cellulose acetate structures in general.
- biodegradable filter tows various methods for the production of biodegradable filter tows have been proposed, such as cellulose acetates of other biodegradable polymers, additives to increase the rate of degradation of cellulose acetate, and low substitution to increase biodegradability.
- Cellulose acetate with degree (DS) and the use of composites of biodegradable polymers such as poly-hydroxybutyrate (PHB) / polyvinyl butyral (PVB) and starch as filter tow raw materials.
- PHB poly-hydroxybutyrate
- PVB polyvinyl butyral
- the present invention is to provide a lyocell material for tobacco filters and a method of manufacturing the same exhibiting biodegradable properties.
- the present invention provides a method for manufacturing a lyocell material for a cigarette filter, comprising the step of obtaining a crimped tow by crimping a lyocell multifilament as a first embodiment.
- Method for producing a lyocell material for tobacco filters is (S1) lyocell spinning dope comprising cellulose pulp and N-methylmorpholine-N-oxide (NMMO) aqueous solution Spinning; (S2) solidifying the lyocell spinning dope spun in the step (S1) to obtain a lyocell multifilament; (S3) washing the lyocell multifilament obtained in the step (S2); (S4) emulsifying the lyocell multifilament washed in the step (S3); And (S5) obtaining crimped tow by crimping the lyocell multifilament treated with the emulsion in step (S4).
- NMMO N-methylmorpholine-N-oxide
- Spinning dope of the step (S1) according to the embodiment is 6 to 16% by weight of cellulose pulp; And it may be to include 84 to 94% by weight N-methylmorpholine-N-oxide aqueous solution.
- Cellulose pulp according to the embodiment may have an alpha-cellulose content of 85 to 97% by weight, and a degree of polymerization (DPw) of 600 to 1700.
- DPw degree of polymerization
- Solidification of step (S2) is the first solidification step by air quenching (Q / A) to supply the cooling air to the spinning dope to solidify; And a second coagulation step of dipping the first coagulated spinning dope in a coagulating solution.
- Air quenching according to the embodiment may be to supply the cooling air having a temperature of 4 ⁇ 15 °C and a wind speed of 5 ⁇ 50m / s to the spinning dope to solidify.
- the coagulation solution according to the embodiment may be that temperature is less than 30 °C.
- Step (S5) may be a step of obtaining a crimp tow imparted with 15 to 30 crimps per inch by crimping the emulsion-treated lyocell multifilament using a stuffer box.
- Step (S5) may be to supply steam to the lyocell multifilament and crimp by applying pressure.
- Steam according to the embodiment may be supplied so that the steam pressure is 0.1 ⁇ 1.0kgf / cm2, crimped by using a press roller at a pressure of 1.5 ⁇ 2.0kgf / cm2.
- the present invention is also a second preferred embodiment, lyocell multi made by spinning lyocell spinning dope comprising cellulose pulp and N-methylmorpholine-N-oxide (NMMO) aqueous solution
- a lyocell material for a tobacco filter prepared by crimping filaments is also a second preferred embodiment, lyocell multi made by spinning lyocell spinning dope comprising cellulose pulp and N-methylmorpholine-N-oxide (NMMO) aqueous solution.
- NMMO N-methylmorpholine-N-oxide
- Cigarette filter lyocell material may be formed of 15 to 30 (15 to 30 / inch) crimp per inch.
- Lyocell spinning dope according to the embodiment is 6 to 16% by weight of cellulose pulp; And it may be to include 84 to 94% by weight N-methylmorpholine-N-oxide aqueous solution.
- Cellulose pulp according to the embodiment may have an alpha-cellulose content of 85 to 97% by weight, and a degree of polymerization (DPw) of 600 to 1700.
- DPw degree of polymerization
- the manufacturing method of the lyocell material for tobacco filter of the present invention it is excellent in biodegradability and there is an effect that the lyocell material for tobacco filter can be prepared.
- the present invention relates to a method for manufacturing a lyocell material for a cigarette filter, comprising the step of crimping a lyocell multifilament to obtain a crimped tow.
- the method for preparing a lyocell material for a tobacco filter includes (S1) spinning a lyocell spinning dope comprising cellulose pulp and an N-methylmorpholine-N-oxide (NMMO) aqueous solution; (S2) solidifying the lyocell spinning dope spun in the step (S1) to obtain a lyocell multifilament; (S3) washing the lyocell multifilament obtained in the step (S2); (S4) emulsifying the lyocell multifilament washed in the step (S3); And (S5) obtaining a crimped tow by crimping the lyocell multifilament treated with the emulsion in step (S4).
- NMMO N-methylmorpholine-N-oxide
- (S1) is a step of spinning a lyocell spinning dope comprising cellulose pulp and an aqueous N-methylmorpholine-N-oxide (NMMO) solution.
- NMMO N-methylmorpholine-N-oxide
- the lyocell spinning dope is 6 to 16% by weight of cellulose pulp;
- N-methylmorpholine-N-oxide aqueous solution may include 84 to 94% by weight, the cellulose pulp may have an alpha-cellulose content of 85 to 97% by weight, and a degree of polymerization (DPw) of 600 to 1700. have.
- the content of the cellulose pulp is less than 6% by weight, it is difficult to realize the fibrous characteristics, and when it is more than 16% by weight, it may be difficult to dissolve in the aqueous phase.
- the content of the N-methylmorpholine-N-oxide aqueous solution is less than 84% by weight, the dissolution viscosity is greatly increased, and if it is more than 94% by weight, the spinning viscosity is significantly lowered to prepare a uniform fiber in the spinning step. It can be difficult.
- the weight ratio of N-methylmorpholine-N-oxide and water in the N-methylmorpholine-N-oxide aqueous solution may be 93: 7 to 85:15.
- the weight ratio of the N-methylmorpholine-N-oxide and water is greater than 93: 7, the dissolution temperature is increased, so that the decomposition of cellulose may occur when the cellulose is dissolved.
- the weight ratio is less than 85:15, the solvent dissolution performance It may be lowered and the dissolution of cellulose may be difficult.
- the above-described spinning dope is used to discharge it from the spinning nozzle of the spinneret in the form of donut.
- the spinneret serves to discharge the spinning dope on the filament to the coagulating liquid in the coagulation bath through the air gap section. Discharging the spinning dope from the spinneret may be performed at 80 to 130 ° C.
- Step (S2) is a step of coagulating the lyocell spinning dope spun in the step (S1) to obtain a lyocell multifilament, wherein the coagulation of step (S2) is supplying cooling air to the spinning dope to coagulate the air quen Primary solidification step by air quenching (Q / A); And a second coagulation step of dipping the first coagulated spinning dope in a coagulating solution.
- step (S1) after discharging the spinning dope through the donut-shaped mold, it can be passed through the air gap section of the space between the spinneret and the coagulation bath described above.
- the air gap section is supplied with cooling air from the air cooling unit located inside the donut-shaped mold to the inside of the mold and to the outside, and may be primarily solidified by an air quenching for supplying the cooling air to the spinning dope.
- the factors affecting the properties of the lyocell multifilament obtained in step (S2) are the temperature and wind speed of the cooling air in the air gap section, and the solidification in the step (S2) is 4 ⁇ 15 °C temperature and 5 ⁇
- the cooling air having a wind speed of 50 m / s may be supplied to the spinning dope to solidify.
- the temperature of the cooling air during the first solidification is less than 4 °C, the surface of the detention is cooled, the cross section of the lyocell multifilament is uneven and the spin processability is not good, if the temperature is above 15 °C, the primary solidification by the cooling air is not enough As a result, the spinning processability is not good.
- the air velocity of the cooling air is less than 5 m / s at the time of the first solidification, the primary solidification by the cooling air is not sufficient, and the spinning processability is poor, and if it is more than 50 m / s, the spinning dope discharged from the detention is As it is shaken by air, the spinning fairness becomes poor.
- the spinning dope may be supplied to a coagulation bath containing a coagulation liquid so that secondary coagulation may proceed.
- the temperature of the coagulation liquid may be 30 °C or less. This is to ensure that the solidification rate is properly maintained because the secondary solidification temperature is not higher than necessary.
- the coagulating solution is not particularly limited because it can be prepared and used in a conventional composition in the technical field to which the present invention belongs.
- Step (S3) is a step of washing the lyocell multifilament obtained in the step (S2).
- the lyocell multifilament obtained in the step (S2) after introducing the lyocell multifilament obtained in the step (S2) to the traction roller, it can be washed by introducing into the washing bath.
- washing liquid of 0 to 100 °C temperature
- water may be used as the washing liquid, if necessary, other addition It may further include the component.
- Step (S4) is an step of tanning the lyocell multifilament washed in the step (S3), it can be dried after the tanning.
- the tanning process is a form in which the multifilament is completely submerged in the emulsion and buried, and the amount of oil applied to the filament is kept constant by the press roller attached to the entry roll and the release roll of the tanning apparatus.
- the emulsion reduces the friction that occurs when the filament is in contact with the drying roller, guide, and crimp step and allows the interfiber crimp to form well.
- Step S5 is a step of obtaining a crimped tow by crimping the lyocell multifilament treated in the step S4.
- Crimping is a process of imparting crimp to a multifilament. Specifically, crimping can be obtained by crimping using a stuffer box to obtain 15 to 30 crimps per inch.
- step (S5) it may be to supply steam to the lyocell multifilament and to crimp by applying pressure.
- the lyocell multifilament is passed through a steam box (Steam box), the steam is supplied to 0.1 ⁇ 1.0kgf / cm2 to increase the temperature and then press the pressure (Press Roller) at a pressure of 1.5 ⁇ 2.0kgf / cm2
- a crimp is formed in a stopper box.
- the crimp is not formed smoothly, if it is more than 1.0 kgf / cm2 the temperature in the stopper box rises to 120 °C or more, the filament is stuck together and do not pass through the stopper box.
- the pressure for pressing the pressing roller is less than 1.5 kgf / cm2, the desired number of crimps are not formed, if the pressure exceeds 2.0 kgf / cm2 the pressing force is too strong, this too filament may not pass through the stopper box.
- the number of crimps per inch is important, and the number of crimps may be 15 to 30 / inch, preferably 25 to 30 / inch. At this time, if the number of crimps is less than 15 / inch, the tow opening is not easy during the manufacturing process of the cigarette filter, which leads to a process problem, and it does not satisfy the required properties of the required tobacco filter, such as suction resistance, filter hardness, and filter removal ability. If it exceeds the inch, the non-uniform crushing phenomenon occurs in the stuffer box and the toe does not pass smoothly, making it difficult to manufacture the crimped toe itself.
- the lyocell material for tobacco filter as described above is biodegradable, it is biodegradable and removed in a short time when the cigarette is discarded, and thus is environmentally friendly.
- the spinning dope was maintained at a spinning temperature of 110 ° C. in a spinning nozzle of a donut-shaped spinneret, and spun by adjusting the discharge amount and spinning speed so that the single fineness of the filament was 1.75 denier.
- Spinning dope on the filament discharged from the spinning nozzle was supplied to the coagulating liquid in the coagulation bath through the air gap section.
- the cooling air in the air gap section was first solidified the spinning dope at 8 °C temperature and 10m / s wind speed.
- the coagulation solution was used at a temperature of 25 °C, concentration of 85% by weight of water, 15% by weight of NMMO. At this time, the coagulant concentration was continuously monitored using a sensor and a refractometer.
- the filament stretched in the air layer through the towing roller was washed by the washing liquid sprayed from the washing machine to remove the remaining NMMO.
- the filament was sufficiently evenly oiled and squeezed again so that the oil content of the filament was 0.2%.
- Steam was given to 0.1kgf / cm2 and Press Roller pressure was set to 1.5kgf / cm2.
- Example 1 Crimping Steam Pressure (kgf / cm2) Crimping Press Roller Pressure (kgf / cm2) Crimp Count (pieces / inch) Remarks Example 1 0.1 1.5 25 Example 2 0.5 1.5 26 Example 3 0.5 2.0 27 Comparative Example 1 0.5 2.5 - Crimping not possible Comparative Example 2 2.0 1.5 - Crimping not possible Comparative Example 3 0.1 1.0 13
- the lyocell material for the tobacco filter of the comparative example has a crimp number of 13 or no crimp formation, so it is out of the appropriate crimp number of 15 to 30 / inch. It can be seen that it is not suitable as a fiber for the.
- a lyocell material for a tobacco filter of the present invention it is possible to manufacture a lyocell material for a tobacco filter having excellent biodegradability.
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Textile Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Materials Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Biodiversity & Conservation Biology (AREA)
- Yarns And Mechanical Finishing Of Yarns Or Ropes (AREA)
- Cigarettes, Filters, And Manufacturing Of Filters (AREA)
- Artificial Filaments (AREA)
Abstract
Description
크림핑 Steam 압력(kgf/㎠) | 크림핑 Press Roller 압력(kgf/㎠) | 크림프개수(개/inch) | 비고 | |
실시예1 | 0.1 | 1.5 | 25 | |
실시예2 | 0.5 | 1.5 | 26 | |
실시예3 | 0.5 | 2.0 | 27 | |
비교예1 | 0.5 | 2.5 | - | 크림핑 불가 |
비교예2 | 2.0 | 1.5 | - | 크림핑 불가 |
비교예3 | 0.1 | 1.0 | 13 |
Claims (14)
- 라이오셀 멀티필라멘트를 크림핑(crimping)하여, 크림프 토우(crimped tow)를 얻는 단계를 포함하는, 담배필터용 라이오셀 소재의 제조방법.
- 제1항에 있어서,(S1) 셀룰로오스 펄프 및 N-메틸모폴린-N-옥사이드(N-methylmorpholine-N-oxide; NMMO) 수용액을 포함하는 라이오셀 방사 도프를 방사하는 단계;(S2) 상기 (S1) 단계에서 방사된 라이오셀 방사 도프를 응고시켜 라이오셀 멀티필라멘트를 수득하는 단계;(S3) 상기 (S2) 단계에서 수득된 라이오셀 멀티필라멘트를 수세하는 단계;(S4) 상기 (S3) 단계에서 수세된 라이오셀 멀티필라멘트를 유제 처리하는 단계; 및(S5) 상기 (S4) 단계에서 유제 처리된 라이오셀 멀티필라멘트를 크림핑하여 크림프 토우(crimped tow)를 얻는 단계를 포함하는, 담배필터용 라이오셀 소재의 제조방법.
- 제2항에 있어서,상기 (S1) 단계의 라이오셀 방사 도프는 셀룰로오스 펄프 6 ~ 16 중량%; 및 N-메틸모폴린-N-옥사이드 수용액 84 ~ 94 중량%를 포함하는 것임을 특징으로 하는 담배필터용 라이오셀 소재의 제조방법.
- 제3항에 있어서,상기 셀룰로오스 펄프는 알파-셀룰로오스 함량이 85 ~ 97중량%이고, 중합도(DPw)가 600 ~ 1700인 것임을 특징으로 하는 담배필터용 라이오셀 소재의 제조방법.
- 제2항에 있어서,상기 (S2) 단계의 응고는 냉각공기를 방사 도프에 공급하여 응고시키는 에어쿠엔칭(air quenching, Q/A)에 의한 1차 응고단계; 및 1차 응고된 방사 도프를 응고액에 담그어 응고시키는 2차 응고단계를 포함하는 것임을 특징으로 하는 담배필터용 라이오셀 소재의 제조방법.
- 제5항에 있어서,상기 에어쿠엔칭은 4~15℃의 온도 및 5~50m/s의 풍속을 갖는 냉각 공기를 방사 도프에 공급하여 응고시키는 것임을 특징으로 하는 담배필터용 라이오셀 셈유의 제조방법.
- 제5항에 있어서,상기 응고액은 그 온도가 30℃ 이하인 것임을 특징으로 하는 담배필터용 라이오셀 소재의 제조방법.
- 제2항에 있어서,상기 (S5) 단계는 유제 처리된 라이오셀 멀티필라멘트를 스터퍼 박스(stuffer box)를 이용하여 크림핑하여 인치당 15~30개의 크림프가 부여된 크림프 토우를 얻는 단계인 것임을 특징으로 하는 담배필터용 라이오셀 소재의 제조방법.
- 제2항에 있어서,상기 (S5) 단계는 라이오셀 멀티필라멘트에 스팀을 공급하고 압력을 가하여 크림핑하는 것임을 특징으로 하는 담배필터용 라이오셀 소재의 제조방법.
- 제9항에 있어서,상기 스팀은 스팀압력이 0.1~1.0kgf/㎠ 이 되도록 공급하고, 1.5~2.0kgf/㎠의 압력의 프레스 롤러로 라이오셀 멀티필라멘트를 압착하여 크림핑하는 것임을 특징으로 하는 담배필터용 라이오셀 소재의 제조방법.
- 셀룰로오스 펄프 및 N-메틸모폴린-N-옥사이드(N-methylmorpholine-N-oxide; NMMO) 수용액을 포함하는 라이오셀 방사 도프를 방사하여 제조된 라이오셀 멀티 필라멘트를 크림핑하여 제조된 담배필터용 라이오셀 소재.
- 제11항에 있어서,인치당 15~30개의 크림프가 형성되어 있는 담배필터용 라이오셀 소재.
- 제11항에 있어서,상기 라이오셀 방사 도프는 셀룰로오스 펄프 6 ~ 16 중량%; 및 N-메틸모폴린-N-옥사이드 수용액 84 ~ 94 중량%를 포함하는 것임을 특징으로 하는 담배필터용 라이오셀 소재.
- 제13항에 있어서,상기 셀룰로오스 펄프는 알파-셀룰로오스 함량이 85 ~ 97중량%이고, 중합도(DPw)가 600 ~ 1700인 것임을 특징으로 하는 담배필터용 라이오셀 소재.
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RU2016102643A RU2636547C2 (ru) | 2013-06-28 | 2014-06-02 | Лиоцелловый материал для табачного фильтра и способ его приготовления |
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US14/392,274 US10517325B2 (en) | 2013-06-28 | 2014-06-02 | Lyocell material for tobacco filter and method for preparing same |
EP14817842.9A EP3015579B1 (en) | 2013-06-28 | 2014-06-02 | Method for preparing a lyocell material for tobacco filter |
EP22200720.5A EP4166701B1 (en) | 2013-06-28 | 2014-06-02 | Lyocell material for tobacco filter and method for preparing same |
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EP3015579A4 (en) | 2017-03-01 |
US20200085094A1 (en) | 2020-03-19 |
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EP3015579B1 (en) | 2023-07-12 |
US10517325B2 (en) | 2019-12-31 |
JP6410815B2 (ja) | 2018-10-24 |
JP2016538833A (ja) | 2016-12-15 |
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US11330836B2 (en) | 2022-05-17 |
CN105556012B (zh) | 2019-11-19 |
RU2636547C2 (ru) | 2017-11-23 |
EP3015579A1 (en) | 2016-05-04 |
EP4166701B1 (en) | 2024-05-01 |
RU2016102643A (ru) | 2017-08-03 |
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