EP2181205A2 - Method for preventing yarn breakage - Google Patents
Method for preventing yarn breakageInfo
- Publication number
- EP2181205A2 EP2181205A2 EP08785542A EP08785542A EP2181205A2 EP 2181205 A2 EP2181205 A2 EP 2181205A2 EP 08785542 A EP08785542 A EP 08785542A EP 08785542 A EP08785542 A EP 08785542A EP 2181205 A2 EP2181205 A2 EP 2181205A2
- Authority
- EP
- European Patent Office
- Prior art keywords
- yarn
- washing
- yarns
- neutralizing
- liquid
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000000034 method Methods 0.000 title description 10
- 238000005406 washing Methods 0.000 claims abstract description 21
- 238000009987 spinning Methods 0.000 claims abstract description 18
- 230000003472 neutralizing effect Effects 0.000 claims abstract description 15
- 229920000642 polymer Polymers 0.000 claims abstract description 5
- 238000004804 winding Methods 0.000 claims abstract description 4
- 238000001035 drying Methods 0.000 claims abstract description 3
- 239000007788 liquid Substances 0.000 claims description 26
- 229920003235 aromatic polyamide Polymers 0.000 claims description 3
- 239000004760 aramid Substances 0.000 claims 1
- 238000011282 treatment Methods 0.000 description 13
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 9
- 239000000835 fiber Substances 0.000 description 6
- -1 poly(m-phenylene isophthalamide) Polymers 0.000 description 6
- 229920003366 poly(p-phenylene terephthalamide) Polymers 0.000 description 4
- 230000001360 synchronised effect Effects 0.000 description 4
- 230000003292 diminished effect Effects 0.000 description 3
- 238000005507 spraying Methods 0.000 description 2
- 229920000271 Kevlar® Polymers 0.000 description 1
- 229920012306 M5 Rigid-Rod Polymer Fiber Polymers 0.000 description 1
- 229920001494 Technora Polymers 0.000 description 1
- 229920000561 Twaron Polymers 0.000 description 1
- 229920006231 aramid fiber Polymers 0.000 description 1
- 230000001112 coagulating effect Effects 0.000 description 1
- 230000015271 coagulation Effects 0.000 description 1
- 238000005345 coagulation Methods 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000006386 neutralization reaction Methods 0.000 description 1
- 229920000889 poly(m-phenylene isophthalamide) Polymers 0.000 description 1
- 229920002577 polybenzoxazole Polymers 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 239000004950 technora Substances 0.000 description 1
- 238000002166 wet spinning Methods 0.000 description 1
Classifications
-
- 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
- D01F6/00—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof
- D01F6/58—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from homopolycondensation products
- D01F6/60—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from homopolycondensation products from polyamides
- D01F6/605—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from homopolycondensation products from polyamides from aromatic polyamides
Definitions
- the invention pertains to a method for preventing yarn breakage during a spinning process of filament yarn.
- This invention relates to a more simple solution of the breakage problem, which allows more freedom regarding the motor drives, and which allows minimizing applied tensions and spacing of the yarns. It has now been discovered that elimination of filament and yarn breakage can be attained by modifying steps wherein a liquid is applied, such as in washing and neutralization steps. Washing and neutralizing commonly is performed by spraying water over the yarn in a spinning street, or by pulling the spun yarn through a device containing water. Such method is described in US 5,034,250 wherein water is sprayed from a liquid manifold bar to contact the yarns. The yarns are sprayed, and the filaments contained therein are washed as bundle of filaments, but the spray does not individually hit each of the filaments.
- the inventors have now discovered a novel use of individual washing and neutralizing filaments of multifilament yarn, for example by applying jet washers, in a spinning process for making a multifilament yarn, which use prevents yarn breakage during the spinning process of the multifilament yarn.
- the spinning process comprises spinning of a polymer through a spinneret to obtain the multifilament yarn, washing the yarn, and optionally neutralizing and/or drying the yarn and winding the yarn onto a bobbin, and is characterized in that each filament of the yarn is individually washed and, if neutralized, is individually neutralized.
- the process of this invention finds particularly use in the washing and neutralizing treatment, or more generally in any liquid treatment of yarns having any denier after spinning the polymer through a spinneret and coagulating the polymer to a yarn and before winding the yarn onto a bobbin.
- the processing of higher denier yarns benefits the most.
- Low denier yarns, such as yarns of 70 to 450 dtex, benefit by the less stringent spacing requirements, because low denier yarns are most affected by the surface tension forces of a liquid treatment, are more fragile, and therefore can more easily be damaged.
- Liquid treatment of yarns can be conducted at practically any yarn speed ranging from as low as 50 to as high as 1200 meters per minute with yarn breaks occurring at all speeds.
- the process of this invention permits substantially break- free operation at all speeds for substantially all yarns.
- the liquid treatment of the individual filaments can be carried out by any high pressure liquid device that is able to open the yarn bundle to liquid treat single filaments, and is preferably and most easily performed by a multitude of jet washers. Depending on the length of the spin street for instance 5 to 30 jet washers can be used for each yarn. Jet washers are particularly effective in opening yarn bundles and in refreshing the boundary layers that are around each of the filaments. Jet washing of yarn as such is known in the art, for instance from GB 762,959 and WO 93/06266. Jet washers can be used for both the washing and neutralizing treatments, or for other liquid treatments such as applying a coating or finish onto the filaments. Jet washers can be miniaturized, so that for each yarn bundle at least one individual jet washer can be used.
- a further improvement can be obtained by removing excess water from the yarn. Because adjacent yarns are pulled together by surface tension forces of the treatment liquid, such as water, when the liquid can form a liquid web between the yarns, these attractive forces can be diminished when as few as possible liquid remains on the yarn after washing or neutralizing. It is therefore a further improvement to remove excess liquid from the outer surface of the yarn after having passed the jet washer. Removal of the liquid can be performed by air jets, strippers, pins, and the like.
- the process of this invention is particularly useful in washing wet or air gap spun fibers directly after the coagulation bath.
- Such wet or air gap spun fibers include meta-aramids such as poly(m-phenylene isophthalamide), para-aramids such as poly(p-phenylene terephthalamide) (commercially available as Twaron®, Kevlar®), co-poly-(p-phenylene/3,4'-oxydiphenylene terephthalamide (Technora®), polybenzazole-type fibers such as poly p-phenylene-2-6-benzobis- oxazole (Zylon®), poly ⁇ 2,6-diimidazo[4,5-b:4'5'-e]pyridinylene-1 ,4(2,5-dihydroxy)- phenylene ⁇ (PIPD, M5®), and the like.
- meta-aramids such as poly(m-phenylene isophthalamide)
- para-aramids such as poly(p-phenylene
Landscapes
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Spinning Methods And Devices For Manufacturing Artificial Fibers (AREA)
- Artificial Filaments (AREA)
- Treatment Of Fiber Materials (AREA)
Abstract
Description
Claims
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP08785542.5A EP2181205B1 (en) | 2007-08-20 | 2008-08-14 | Method for preventing yarn breakage |
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP07016261 | 2007-08-20 | ||
PCT/EP2008/006684 WO2009024286A2 (en) | 2007-08-20 | 2008-08-14 | Method for preventing yarn breakage |
EP08785542.5A EP2181205B1 (en) | 2007-08-20 | 2008-08-14 | Method for preventing yarn breakage |
Publications (2)
Publication Number | Publication Date |
---|---|
EP2181205A2 true EP2181205A2 (en) | 2010-05-05 |
EP2181205B1 EP2181205B1 (en) | 2017-02-22 |
Family
ID=38805772
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP08785542.5A Active EP2181205B1 (en) | 2007-08-20 | 2008-08-14 | Method for preventing yarn breakage |
Country Status (7)
Country | Link |
---|---|
US (1) | US20100154378A1 (en) |
EP (1) | EP2181205B1 (en) |
JP (1) | JP5425076B2 (en) |
KR (1) | KR101489700B1 (en) |
CN (1) | CN101932759B (en) |
RU (1) | RU2459019C2 (en) |
WO (1) | WO2009024286A2 (en) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103741407A (en) * | 2013-12-26 | 2014-04-23 | 苏州木仁子金属材料科技有限公司 | Breakage preventing device of textile machine |
CN111304794B (en) * | 2018-12-11 | 2022-03-08 | 中蓝晨光化工研究设计院有限公司 | Ultrahigh-strength yarn and spinning process thereof |
Family Cites Families (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US762959A (en) * | 1903-11-17 | 1904-06-21 | William S Tothill | Amusement apparatus. |
US2871090A (en) * | 1953-06-29 | 1959-01-27 | Ind Rayon Corp | Method for the manufacture and treatment of polyamide fibers |
GB762959A (en) * | 1953-10-02 | 1956-12-05 | Courtaulds Ltd | Improvements in and relating to the treatment of threads with fluids |
DE1907861A1 (en) * | 1969-02-17 | 1970-08-27 | Vepa Ag | Method and device for the production of polyamide fibers |
US5034250A (en) * | 1990-10-30 | 1991-07-23 | E. I. Du Pont De Nemours And Company | Method for reducing threadline breakage |
DE4130860A1 (en) * | 1991-09-17 | 1993-03-18 | Akzo Nv | METHOD FOR TREATING THREADS WITH LIQUID |
JPH05156509A (en) * | 1991-12-04 | 1993-06-22 | Toray Ind Inc | Method for treating yarn in bath |
NL1001692C2 (en) * | 1995-11-20 | 1997-05-21 | Akzo Nobel Nv | Process for the preparation of regenerated cellulose filaments. |
US5667743A (en) * | 1996-05-21 | 1997-09-16 | E. I. Du Pont De Nemours And Company | Wet spinning process for aramid polymer containing salts |
KR100465474B1 (en) * | 1996-05-21 | 2005-03-16 | 이.아이,듀우판드네모아앤드캄파니 | Wet Spinning Process for Aramid Polymer Containing Salts and Fiber Produced from This Process |
JPH1060735A (en) * | 1996-08-21 | 1998-03-03 | Toyobo Co Ltd | Production of polybenzazole fiber |
JP2001518987A (en) * | 1997-04-04 | 2001-10-16 | アクゾ ノーベル ナムローゼ フェンノートシャップ | Element for washing or treating a thread or similar tissue with a fluid |
US7041368B2 (en) * | 2002-11-17 | 2006-05-09 | Milliken & Company | High speed spinning procedures for the manufacture of high denier polypropylene fibers and yarns |
KR20050085687A (en) * | 2002-12-17 | 2005-08-29 | 이 아이 듀폰 디 네모아 앤드 캄파니 | Method for control of yarn processing equipment |
-
2008
- 2008-08-14 CN CN2008801036376A patent/CN101932759B/en active Active
- 2008-08-14 RU RU2010110615/12A patent/RU2459019C2/en active
- 2008-08-14 EP EP08785542.5A patent/EP2181205B1/en active Active
- 2008-08-14 KR KR1020107003585A patent/KR101489700B1/en active IP Right Grant
- 2008-08-14 JP JP2010521344A patent/JP5425076B2/en active Active
- 2008-08-14 WO PCT/EP2008/006684 patent/WO2009024286A2/en active Application Filing
- 2008-08-14 US US12/452,810 patent/US20100154378A1/en not_active Abandoned
Non-Patent Citations (1)
Title |
---|
See references of WO2009024286A2 * |
Also Published As
Publication number | Publication date |
---|---|
KR101489700B1 (en) | 2015-02-04 |
US20100154378A1 (en) | 2010-06-24 |
CN101932759B (en) | 2011-11-16 |
WO2009024286A2 (en) | 2009-02-26 |
KR20100043080A (en) | 2010-04-27 |
JP2010537063A (en) | 2010-12-02 |
RU2010110615A (en) | 2011-09-27 |
EP2181205B1 (en) | 2017-02-22 |
CN101932759A (en) | 2010-12-29 |
WO2009024286A3 (en) | 2009-06-25 |
JP5425076B2 (en) | 2014-02-26 |
RU2459019C2 (en) | 2012-08-20 |
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