WO2006118842A2 - A method for using an ethoxylated alkyl phosphate ester additive as a plugmaker processing aid - Google Patents
A method for using an ethoxylated alkyl phosphate ester additive as a plugmaker processing aid Download PDFInfo
- Publication number
- WO2006118842A2 WO2006118842A2 PCT/US2006/015361 US2006015361W WO2006118842A2 WO 2006118842 A2 WO2006118842 A2 WO 2006118842A2 US 2006015361 W US2006015361 W US 2006015361W WO 2006118842 A2 WO2006118842 A2 WO 2006118842A2
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- phosphate ester
- ethoxylated alkyl
- alkyl phosphate
- cellulose acetate
- ppm
- Prior art date
Links
Classifications
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M13/00—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment
- D06M13/244—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment with compounds containing sulfur or phosphorus
- D06M13/282—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment with compounds containing sulfur or phosphorus with compounds containing phosphorus
- D06M13/292—Mono-, di- or triesters of phosphoric or phosphorous acids; Salts thereof
- D06M13/295—Mono-, di- or triesters of phosphoric or phosphorous acids; Salts thereof containing polyglycol moieties; containing neopentyl moieties
-
- 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
-
- 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
-
- 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
- A24D3/14—Use of materials for tobacco smoke filters of organic materials as additive
-
- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
- C11D17/00—Detergent materials or soaps characterised by their shape or physical properties
Definitions
- This invention relates to the topical use of an ethoxylated alkyl phosphate ester additive on a cellulose acetate tow band as a plugmaker processing aid.
- This invention also relates to a composition comprising an ethoxylated alkyl phosphate ester additive and cellulose acetate fibers.
- the plugmaker operation transforms a bundle of cellulose acetate fibers (called a "cellulose acetate tow band") into a cylindrical plug with the fibers forming a filter encased with a paper wrapping.
- Key functions of the plugmaker include the widening of the cellulose acetate tow band, deregistering of the crimped filaments, application of a plasticizer, and formation of the cylindrical plug.
- the cellulose acetate tow band is processed through a number of air jets and rolls.
- the current invention allows the processing to occur in a more uniform and smooth manner.
- the use of an ethoxylated alkyl phosphate ester additive as a plugmaker processing aid produces a clearly visible impact on the behavior of filaments as they are processed through a plugmaker.
- the filaments do not spread out as much from one another and their interaction with the rolls is altered.
- the following improvements are obtained: 1) significant narrowing of a cellulose acetate tow band and reduction in variability of the cellulose acetate band width (This helps to avoid impact with the guides at the exit of a plasticizer booth and results in a more uniform cellulose acetate tow band during plasticizer application.); 2) reduction in the cyclic movement of the cellulose acetate tow band upon leaving the plugmaker rolls; 3) improved relaxation of the cellulose acetate tow band; 4) reduced tendency to wrap the rolls; 5) reduced variability of the pressure drop at the maximum point; 6) expanded length of the capability curve to a higher point; and 7) reduction in the formation of long filament lint.
- the present invention pertains to the topical use of an ethoxylated alkyl phosphate ester additive on cellulose acetate tow band as a plugmaker processing aid.
- the ethoxylated alkyl phosphate ester additive comprises at least one ethoxylated alkyl phosphate ester with a chemical formula of [CH 3 (CH 2 ) H1 -O-(CH 2 CH 2 O) n -PO 3 )] ' X + .
- EAPE ethoxylated alkyl phosphate ester
- These ethoxylated alkyl phosphate esters additives are typically solubilized in water for ease of handling.
- a composition comprising cellulose acetate fiber and an ethoxylated alkyl phosphate ester additive wherein said ethoxylated alkyl ester additive comprises at least one ethoxylated alkyl phosphate ester with a chemical formula of [CH 3 (CH 2 ) m -O- (CH 2 CH 2 O) n -PO 3 )] ' X + wherein m ranges from 7 to 21 and n ranges from 2 to 30 and X is selected from the group consisting of Na, K and H.
- a composition comprising cellulose acetate fiber and ethoxylated alkyl phosphate ester additive wherein said ethoxylated phosphate alkyl ester additive comprises at least one ethoxylated alkyl phosphate ester with a chemical formula of [CH 3 (CH 2 )r ⁇ rO-(CH 2 CH 2 ⁇ )n-PO 3 )] " X + wherein m ranges from 11 to 13 and n ranges from 4 to 12 and X is selected from the group consisting of Na, K and H.
- a composition comprising cellulose acetate fiber and ethoxylated alkyl phosphate ester additive wherein said ethoxylated alkyl phosphate ester additive comprises poly(oxy ⁇ 1 ,2-ethanediyl),a-tridecyl ⁇ w-hydroxy-, phosphate, potassium salt wherein said ethoxylated alkyl phosphate ester additive has a composition of 100 to 3000 ppm by weight.
- a process is provided to use an ethoxylated alky phosphate ester additive as a plugmaker processing aid comprising applying said ethoxylated alkyl phosphate ester additive on a cellulose acetate tow band wherein said ethoxylated alkyl phosphate ester additive comprises at least one ethoxylated alkyl phosphate ester with a chemical formula of [CH 3 (CH 2 ) m -O-(CH 2 CH 2 O) n - PO 3 )]- X + wherein m ranges from 7 to 21 and n ranges from 2 to 30 and X is selected from the group consisting of Na, K and H.
- a process is provided to use a ethoxylated alky phosphate ester additive as a plugmaker processing aid comprising applying said ethoxylated alkyl phosphate ester additive on a cellulose acetate tow band wherein said ethoxylated alkyl phosphate ester additive comprises at least one ethoxylated alkyl phosphate ester with a chemical formula of [CH 3 (CH 2 )Hi-O-(CH 2 CH 2 O) n -PO 3 )] " X + wherein m ranges from 11 to 13 and n ranges from 4 to 12 and X is selected from the group consisting of Na 1 K and H.
- a process is provided to use an ethoxylated alky phosphate ester additive as a plugmaker processing aid comprising applying said ethoxylated alkyl phosphate ester additive on a cellulose acetate tow band wherein said ethoxylated alkyl phosphate ester additive comprises poly(oxy-1 ,2-ethanediyl),a ⁇ tridecyl-w- hydroxy-, phosphate, potassium salt wherein said ethoxylated alkyl phosphate ester additive is applied to said cellulose acetate tow band in and amount in a range of 100 to 3000 ppm by weight.
- the invention provides a process comprising the application of an ethoxylated alkyl phosphate ester additive onto the surface of a cellulose acetate tow band for use as a plugmaker processing aid.
- This invention also relates to a composition comprising an ethoxylated alkyl phosphate ester additive and cellulose acetate fibers.
- the ethoxylated alkyl phosphate ester additive comprises at least one ethoxylated alkyl phosphate ester with a chemical formula of [CH 3 (CH2)m-O-(CH2CH 2 O) n -PO 3 )] " X +
- EAPE ethoxylated alkyl phosphate ester
- the ethoxylated alkyl phosphate ester is ethoxylated potassium tridecyl phosphate ester.
- the chemical abstract (CA) index name for ethoxylated potassium tridecyl phosphate ester is poly(oxy-1 ,2- ethanediyl), a-tridecyl-w-hydroxy-.phosphate, potassium salt, and its CA registry number is 68186-36-7.
- Ethoxylated potassium tridecyl phosphate ester is typically 88% active with the remainder being water.
- the average degree of ethoxylation is 6 moles of ethoxylation per mole of tridecyl potassium.
- ethoxylated alkyl phosphate esters are typically soiubilized in water for ease of handling.
- the objective of the topical application is to deliver the ethoxylated alkyl phosphate ester additive to the surface of the fiber on the cellulose acetate tow band.
- the application can be conducted by any means known in the art. Generally, the application can be completed through direct liquid application using rolls or lube tips, by use of a spray system, or by other means such that the ethoxylated alkyl phosphate ester additive resides primarily on the surface of the fibers. Application through existing fiber finishing treatments involving an oil-in-water emulsion is the preferred method of delivery. The ethoxylated alkyl phosphate ester additive on the interior of the fibers would likely provide a greatly diminished benefit as a processing aid.
- typical application levels of the ethoxylated alkyl phosphate ester additive based on the dry fiber weight would be optimally 250 to 1000 ppm by weight. In another embodiment of the invention, another range would be 100 to 3000 ppm by weight. Minimal benefit would be expected at ethoxylated alkyl phosphate ester additive levels below 10 ppm. Loading levels above 5000 ppm would still deliver the benefits of the current invention, but with minimal additional benefit.
- the application of the ethoxylated alkyl phosphate ester additive is through means of an oil-in-water emulsion.
- An emulsion is a stable mixture of 2 or more immiscible liquids held in suspension by small percentages of substances called emulsifiers and, specifically, an oil-in-water emulsion is an emulsion in which water is the continuous phase and a water-immiscible substance is the disperse phase.
- emulsifiers an oil-in-water emulsion in which water is the continuous phase and a water-immiscible substance is the disperse phase.
- oil-in-water emulsion is an emulsion in which water is the continuous phase and a water-immiscible substance is the disperse phase.
- oil is applied to a wide range of substances that are quite different in chemical nature from animal and vegetable oils to essential oils.
- Animal and vegetable oils are composed largely of glycerides of fatty acids; mineral oils are composed of hydrocarbon mixtures, and essential oils are principally volatile terpenes.
- the mineral oil used in the current invention is meant to denote a paraffinic distillate of petroleum composed primarily of straight chain hydrocarbons.
- the preferred application method in the current invention is by means of an oil-in-water emulsion comprised of an emulsified mineral oil (paraffinic distillate of petroleum) with the . addition of the ethoxylated alkyl phosphate ester additive described in the current invention at the levels delineated in the current application.
- the cellulose acetate fiber does not have a super absorbent polymer in each of the embodiments previously mentioned.
- the cellulose acetate fiber is without groves in all the previous embodiments.
- This invention can be further illustrated by the following examples of preferred embodiments thereof, although it will be understood that these examples are included merely for purposes of illustration and are not intended to limit the scope of the invention unless otherwise specifically indicated.
- An ethoxylated alkyl phosphate ester additive was added to a standard formulation of acetate tow finish.
- Aqueous oil-in-water emulsions were produced with ethoxylated alkyl phosphate ester additive levels that would deliver approximately 0, 250 and 500 ppm by weight of ethoxylated alkyl phosphate ester additive based on dry fiber weight. No problems were noted with emulsion stability.
- a total of fourteen samples of cellulose acetate tow band were produced as shown in Table 1 using the different finishes described above. Operating conditions for the manufacture of the cellulose acetate tow band were held constant except for the change in finish. The finish was applied directly to the filaments upon exit from the spinning cabinets. Analytical measurements on the cellulose acetate tow band samples after crimping verified that the targeted levels of finish were successfully applied to the cellulose acetate tow band.
- a static brush contains a rectangular arrangement of grounded conductive bristles that are suspended near the cellulose acetate tow band for the purpose of dissipating static charge.
- the first static brush was mounted between the pretension roll and the slow threaded roll.
- the static brushes are mounted relatively far away from the nip of the rolls to avoid contact of the brush bristles with either the rolls or the cellulose acetate tow band.
- the second static brush was mounted between the slow threaded roll and the fast threaded roll.
- Table 1 The summary statistics of the experimental runs listed in Table 1 are summarized in Table 2 to show more clearly the impact due to ethoxylated alkyl phosphate ester additive treatment level for the two brush configurations.
- Static charge was measured above the center of the cellulose acetate tow band at the exit of the plasticizer booth.
- the use of 250 ppm ethoxylated alkyl phosphate ester additive reduced the static charge 13.7 K-volts representing a significant change. Doubling the addition to 500 ppm brought an additional reduction of 5.8 K-volts indicating that a point of diminishing impact was being approached.
- the use of static brushes reduces the static measure by 27.1 K-volts regardless of the ethoxylated alkyl phosphate ester additive treatment level.
- Long filament lint accumulation involves the collection of broken filaments at various locations in the plugmaker with lengths ranging from approximately 0.25 to 30 centimeters in length. Problems associated with long filament lint include: sudden release of a clump of filaments from a collection point leading to a rod quality defect or a machine breakdown; machine breakdowns due to roll wraps; and increased housekeeping work required to keep the instrument clean.
- a subjective rating scale is used in which the plugmaker operator observes the accumulation of filaments on machine surfaces at the exit of the plasticizer booth over a fixed time. The best score corresponding to very low long filament lint is given a value of 1 while higher values up to a score of 10 indicate progressively larger amounts of lint.
- a second measure of long filament lint involved a quantitative measure obtained by taking electronic images of the plugmaker surfaces at regular intervals throughout the lint test. Image analysis was performed to quantify the rate at which long filament lint collected on the machine. This quantitative measure provides a more objective and thorough measure of long filament lint.
- the use of 250 ppm ethoxylated alkyl phosphate ester additive reduced the quantitative rate of long filament lint accumulation from 5982 to 4132.
- the use of 500 ppm ethoxylated alkyl phosphate ester additive reduced the same value to 3621 representing a 39% reduction.
- the average level of quantitative long filament lint was 3877 in the presence of the ethoxylated alkyl phosphate ester additive.
- the static brushes at 0 ppm ethoxylated alkyl phosphate ester additive reduced this value from 5982 to 4526.
- the average level of quantitative long filament lint was 3634 when static brushes were used in the presence of ethoxylated alkyl phosphate ester additive.
- the reduction in long filament lint in the presence of the ethoxylated alkyl phosphate ester additive was roughly the same regardless of whether the static brushes were present (3877 versus 3634).
- the magnitude of the improvement in long filament lint was greater with the ethoxylated alkyl phosphate ester additive than with static brushes alone despite the fact that the static brushes had a much greater impact on the static readings (3877 versus 4526). This provides some evidence that the static in the region of the nips is an important factor. It also points to the possibility that other mechanisms of impacting filament and cellulose acetate tow band behavior may be present such as those due to fiber-roll friction.
- Part of the visual lint improvement mentioned earlier is due to the cellulose acetate tow band no longer impacting the guides that commonly serve as long filament lint accumulation spots.
- An additional processing advantage is that the plasticizer application uniformity is likely improved by the consistent cellulose acetate tow band behavior through the plasticizer spraying operation.
- a second key change in cellulose acetate tow band behavior that represents a processing improvement involves the interaction of the cellulose acetate tow band with the plugmaker rolls.
- the Hauni ® AF3 plugmaker has four sets of rolls from beginning to end: pretension, slow threaded, fast threaded, and delivery rolls.
- the cellulose acetate tow band can be observed to cycle in and out of the main plane defined by the passage of the cellulose acetate tow band through the plugmaker.
- a second force involves the generation of static electrical charge due to the contact and subsequent separation of the rolls and fiber. As oppositely charged surfaces begin to separate, an electric field forms involving forces that act to prevent separation. Based on the static charge measurements described earlier, it is likely that this mechanism is one of the factors contributing to the efficacy of ethoxylated alkyl phosphate ester additive.
- a third set of forces involves frictional forces between the rolls and cellulose acetate tow band. The formulation of a fiber finish, both the amount and chemical species present, has a dramatic impact on the frictional forces of the treated fiber. It is possible that the ethoxylated alkyl phosphate ester additive impacts the frictional behavior of the cellulose acetate tow band thereby impacting its behavior with the rolls.
- the overall smoother movement of the cellulose acetate tow band through the plugmaker may offer the advantage of a longer capability curve and lower variation in the pressure drop at the maximum point.
- the maximum point is defined in part by the operating point beyond which the plugmaker consistently breaks down when adjustments are made to further increase the amount of tow in a plug per unit length. It is likely that the advantages of ethoxylated alkyl phosphate ester additive described above will extend this operating point.
- Table 2 indicates that the pressure drop coefficient of variation appears to have improved 12% due to ethoxylated alkyl phosphate ester additive treatment.
Abstract
Description
Claims
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP06751164A EP1877617A2 (en) | 2005-05-04 | 2006-04-25 | A method for using an ethoxylated alkyl phosphate ester additive as a plugmaker processing aid |
JP2008510035A JP2008540854A (en) | 2005-05-04 | 2006-04-25 | Use of ethoxylated alkyl phosphate ester processing aids as plug maker processing aids |
MX2007013615A MX2007013615A (en) | 2005-05-04 | 2006-04-25 | A method for using an ethoxylated alkyl phosphate ester additive as a plugmaker processing aid. |
CA002606049A CA2606049A1 (en) | 2005-05-04 | 2006-04-25 | A method for using an ethoxylated alkyl phosphate ester additive as a plugmaker processing aid |
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US11/121,624 US20050202993A1 (en) | 2003-01-07 | 2005-05-04 | Method for using an ethoxylated alkyl phosphate ester additive as a plugmaker processing aid |
US11/121,624 | 2005-05-04 | ||
US11/121,625 US20050202179A1 (en) | 2003-01-07 | 2005-05-04 | Method for using an ethoxylated alkyl phosphate ester additive as a plugmaker processing aid |
US11/121,625 | 2005-05-04 |
Publications (2)
Publication Number | Publication Date |
---|---|
WO2006118842A2 true WO2006118842A2 (en) | 2006-11-09 |
WO2006118842A3 WO2006118842A3 (en) | 2007-07-26 |
Family
ID=37308471
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/US2006/015361 WO2006118842A2 (en) | 2005-05-04 | 2006-04-25 | A method for using an ethoxylated alkyl phosphate ester additive as a plugmaker processing aid |
Country Status (5)
Country | Link |
---|---|
EP (1) | EP1877617A2 (en) |
JP (1) | JP2008540854A (en) |
KR (1) | KR20080003847A (en) |
CA (1) | CA2606049A1 (en) |
WO (1) | WO2006118842A2 (en) |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2805992A (en) * | 1954-03-30 | 1957-09-10 | Celanese Corp | Textile conditioning agent |
GB822855A (en) * | 1957-07-26 | 1959-11-04 | Albert Ewart Henshall | Process for modifying the properties of fibrous textile materials |
GB1103092A (en) * | 1963-06-27 | 1968-02-14 | Cigarette Components Ltd | Method of manufacturing tobacco smoke filters |
US5190676A (en) * | 1989-11-30 | 1993-03-02 | Kao Corporation | High-speed spinning oil composition containing an organophosphoric ester salt and an oxyalkylene polymer |
WO2004063455A1 (en) * | 2003-01-07 | 2004-07-29 | Eastman Chemical Company | Ethoxylated alkylnphosphate esters as plugmaker processing aids |
-
2006
- 2006-04-25 CA CA002606049A patent/CA2606049A1/en not_active Abandoned
- 2006-04-25 EP EP06751164A patent/EP1877617A2/en not_active Withdrawn
- 2006-04-25 WO PCT/US2006/015361 patent/WO2006118842A2/en active Application Filing
- 2006-04-25 KR KR1020077025106A patent/KR20080003847A/en not_active Application Discontinuation
- 2006-04-25 JP JP2008510035A patent/JP2008540854A/en active Pending
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2805992A (en) * | 1954-03-30 | 1957-09-10 | Celanese Corp | Textile conditioning agent |
GB822855A (en) * | 1957-07-26 | 1959-11-04 | Albert Ewart Henshall | Process for modifying the properties of fibrous textile materials |
GB1103092A (en) * | 1963-06-27 | 1968-02-14 | Cigarette Components Ltd | Method of manufacturing tobacco smoke filters |
US5190676A (en) * | 1989-11-30 | 1993-03-02 | Kao Corporation | High-speed spinning oil composition containing an organophosphoric ester salt and an oxyalkylene polymer |
WO2004063455A1 (en) * | 2003-01-07 | 2004-07-29 | Eastman Chemical Company | Ethoxylated alkylnphosphate esters as plugmaker processing aids |
Also Published As
Publication number | Publication date |
---|---|
WO2006118842A3 (en) | 2007-07-26 |
KR20080003847A (en) | 2008-01-08 |
CA2606049A1 (en) | 2006-11-09 |
JP2008540854A (en) | 2008-11-20 |
EP1877617A2 (en) | 2008-01-16 |
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