KR101795632B1 - Method Of Fine Denier Treatment For Wool Sliver - Google Patents
Method Of Fine Denier Treatment For Wool Sliver Download PDFInfo
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- KR101795632B1 KR101795632B1 KR1020150187405A KR20150187405A KR101795632B1 KR 101795632 B1 KR101795632 B1 KR 101795632B1 KR 1020150187405 A KR1020150187405 A KR 1020150187405A KR 20150187405 A KR20150187405 A KR 20150187405A KR 101795632 B1 KR101795632 B1 KR 101795632B1
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- wool
- sliver
- roller
- fiber
- fineness
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- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01C—CHEMICAL OR BIOLOGICAL TREATMENT OF NATURAL FILAMENTARY OR FIBROUS MATERIAL TO OBTAIN FILAMENTS OR FIBRES FOR SPINNING; CARBONISING RAGS TO RECOVER ANIMAL FIBRES
- D01C3/00—Treatment of animal material, e.g. chemical scouring of wool
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- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01H—SPINNING OR TWISTING
- D01H13/00—Other common constructional features, details or accessories
- D01H13/30—Moistening, sizing, oiling, waxing, colouring, or drying yarns or the like as incidental measures during spinning or twisting
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- 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
- D02G3/00—Yarns or threads, e.g. fancy yarns; Processes or apparatus for the production thereof, not otherwise provided for
- D02G3/02—Yarns or threads characterised by the material or by the materials from which they are made
-
- 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
- D02G3/00—Yarns or threads, e.g. fancy yarns; Processes or apparatus for the production thereof, not otherwise provided for
- D02G3/22—Yarns or threads characterised by constructional features, e.g. blending, filament/fibre
- D02G3/26—Yarns or threads characterised by constructional features, e.g. blending, filament/fibre with characteristics dependent on the amount or direction of twist
-
- D—TEXTILES; PAPER
- D02—YARNS; MECHANICAL FINISHING OF YARNS OR ROPES; WARPING OR BEAMING
- D02J—FINISHING OR DRESSING OF FILAMENTS, YARNS, THREADS, CORDS, ROPES OR THE LIKE
- D02J1/00—Modifying the structure or properties resulting from a particular structure; Modifying, retaining, or restoring the physical form or cross-sectional shape, e.g. by use of dies or squeeze rollers
- D02J1/18—Separating or spreading
-
- D—TEXTILES; PAPER
- D02—YARNS; MECHANICAL FINISHING OF YARNS OR ROPES; WARPING OR BEAMING
- D02J—FINISHING OR DRESSING OF FILAMENTS, YARNS, THREADS, CORDS, ROPES OR THE LIKE
- D02J1/00—Modifying the structure or properties resulting from a particular structure; Modifying, retaining, or restoring the physical form or cross-sectional shape, e.g. by use of dies or squeeze rollers
- D02J1/22—Stretching or tensioning, shrinking or relaxing, e.g. by use of overfeed and underfeed apparatus, or preventing stretch
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06B—TREATING TEXTILE MATERIALS USING LIQUIDS, GASES OR VAPOURS
- D06B1/00—Applying liquids, gases or vapours onto textile materials to effect treatment, e.g. washing, dyeing, bleaching, sizing or impregnating
- D06B1/02—Applying liquids, gases or vapours onto textile materials to effect treatment, e.g. washing, dyeing, bleaching, sizing or impregnating by spraying or projecting
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06B—TREATING TEXTILE MATERIALS USING LIQUIDS, GASES OR VAPOURS
- D06B15/00—Removing liquids, gases or vapours from textile materials in association with treatment of the materials by liquids, gases or vapours
- D06B15/02—Removing liquids, gases or vapours from textile materials in association with treatment of the materials by liquids, gases or vapours by squeezing rollers
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- 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
- D06M11/00—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising
- D06M11/32—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising with oxygen, ozone, ozonides, oxides, hydroxides or percompounds; Salts derived from anions with an amphoteric element-oxygen bond
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- 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
- D10B2211/00—Protein-based fibres, e.g. animal fibres
- D10B2211/01—Natural animal fibres, e.g. keratin fibres
- D10B2211/02—Wool
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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- General Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Molecular Biology (AREA)
- Wood Science & Technology (AREA)
- Zoology (AREA)
- Animal Husbandry (AREA)
- Preliminary Treatment Of Fibers (AREA)
Abstract
The present invention relates to a method and apparatus for finely controlling the fineness of wool fibers as a whole by thinning the wool sliver fibers by artificially drawing (drawing) the wool slivers, By controlling the fineness of the wool fiber according to the elongation in the sliver state, the manufacturing cost of the spinning yarn can be reduced by eliminating the cost burden for using the fine woolen raw material.
Description
The present invention relates to a method and apparatus for finely controlling the diameter of a wool fiber by artificially drawing (drawing) by a speed difference between rollers while gripping a wool fiber.
Natural fibers such as wool are originally used as they are, and there is a limit to improve the physical properties of raw materials. However, in the wool industry, there is an increasing demand for fibers having three finenesses, and the higher the price, the more expensive it is to develop the fineness control technology of wool fibers which can artificially produce three finenesses.
The most important value of the wool is the fineness (diameter) of the fiber. Fineness is the most important quality factor that determines the thickness of yarn and determines 80% of the normal trading price. The fineness of a wool fiber is measured by measuring the fiber diameter and the indication is expressed in microns (1 / 1,000th of a millimeter).
In this way, the fineness of wool is an important index because it is the most important quality index in the spinning industry using wool, but the price of raw materials with fineness increases greatly, so it is a reality that the choice of a textile manufacturer is not very large. Therefore, there has been a steady development of techniques for producing finely divided wool raw materials using thick wool fleece materials of low cost.
With regard to this technology, attention has been paid to the set phenomenon of wool fibers. Although the mechanism underlying such a set is accompanied by a complicated chemical reaction, it is still unclear. However, advances in analytical techniques and clarification of the wool microstructure And gradually become clear. Typical wool set properties are defined as the percentage of the length of the original elongation of the fiber that has remained long after treatment in the elongated state, relative to the original fiber length. There are three types according to the set permanency. Cohesive set, which is a weak set that is restored to its original state when immersed in cold water, Temporary set which is resistant to cold water or disappears within 1 hour from boiling water, Permanent set which remains after 1 hour relaxation from boiling water, set.
Closely related to the chemical structural set of these wool fibers is related to the intermolecular crosslinking of the wool molecules and includes covalent bond, salt linkage, hydrogen bond, van der Waals force ), And the like. When wool fibers are treated with hot water or chemical agents, the cross-linking between the molecular chains is gradually broken, resulting in mutual migration of the polypeptide (poly-peptide) chains and rearranging to a more stable state. In this state, a new set can be obtained by forming a bridge between the new side chains.
The SH / SS exchange theory and the cross-link stabilization theory are summarized as follows. The theory of SH / SS interchange is now accepted as a set theory of wool SET. The -SH group catalyzes the cleavage of SS, so intermolecular intermolecular flow occurs and new SS bond is regenerated. It is. Unusual here is the -SH group catalysis. Therefore, the amount of SET increases when treated with a drug containing -SH (such as a reducing agent such as TGA (ThioGlicolicAcid)), but when the -SH group is blocked by FDNB (Fluoro-2,4-DiNitroBenzene), the amount of SET is greatly reduced. Likewise, by hydrothermal treatment or STEAM treatment, the content of -SH group in the hydrolysis of -S-S- is increased to form SET.
Theory of Cross-linkage Stabilization has been supported by Speakman since 1964, and it has become more certain since Lantionine and Lysinoalamine were found in Set-treated. It is certain that the SH / SS exchange reaction is related to the SET, but a new stable cross-linking (LAN, LAL, etc.) is required because of the limited SS / SH exchange reaction and insufficient stabilization required for a strong permanent set. If the terminal Amino group is destroyed by HNO2, FDNB or the like, it can not be set even under steam. This is because Lysine having terminal Amino group participates in the re-crossing in Set treatment.
Generally, wool fibers having a large average fineness have a long fiber length and wool fibers having an average fineness have a long fiber length. Korean Patent Laid-Open Publication No. 10-1992-0703893 (published Dec. 18, 1992) includes a step of twisting a running assembly of natural staple fibers, a step of stretching a twisted assembly, and a step of setting this stretching And wherein the drafting of the assembly is substantially twisted such that when the assembly is stretched during the twisting process, the running assembly of the natural fiber is substantially free of twist Characterized in that the fibers are subjected to a plasticizing treatment and the twist applied to the assembly is a pre-twist present in the running assembly during the stretching and subsequent setting steps, whereby the physical / chemical To make the wool fineness thinner. However, the above-mentioned prior art is directed to stretching by twisting. As a result, not only a fiber having a large fiber diameter but also a fiber having a small original fiber diameter are reduced in diameter together, resulting in a feeling of too soft a fiber. In the spinning process for producing a yarn, The fiber length is excessively long and the roller is wound.
Therefore, the present invention solves the problems of the prior art, thereby replacing high quality raw materials of three islands with intermediate quality raw materials through a method of narrowing the fineness of wool fibers without being too flexible and a technique of constructing a production base without replacing existing spinning equipments. And to provide a control method and a continuous control device for finely controlling the fineness of wool fibers which can simultaneously achieve the profit of the manufacturer (sophistication of wool raw material and cost reduction).
Therefore, in the present invention, the wool sliver having the fineness of the constituent fibers of 18.0 to 22.0 탆 is supplied to the reducing agent treatment unit and pretreated;
After stretching at a stretching speed (based on a winding drum) of 2 to 100 rpm to a continuous stretching section composed of 5 to 7 pairs of roller systems in an environment of 20 to 30 DEG C and a relative humidity of 50 to 90%;
After squeezing the reducing agent and spraying the oxidizing agent onto the wool sliver in a spray form,
After 8 to 16 pairs of drying rollers composed of pairs of pressing rollers 8 to 16 and having a drying blower temperature of 60 to 85 DEG C were passed through for 1 to 10 minutes and dried,
After winding the winding roller with a twist of 15 to 32 tpm;
Wherein the wool sliver is permanently set (Permanent Set).
Also, in the present invention, a reducing agent treatment unit for pretreating the supplied wool sliver;
Stretching is carried out at a stretching ratio of 1.2 to 2.0 and a stretching speed (based on a winding drum) of 2 to 100 rpm to a continuous stretching section composed of 5 to 7 pairs of roller systems capable of stretching the wool sliver, followed by squeezing of the reducing agent, A continuous wool stretcher having a pad mangling function on a wool sliver after spraying an oxidizing agent in a spray form;
A wool elongating setting unit consisting of pairs of temporary pressing rollers 8 to 16 capable of temporarily setting a reducing agent, an oxidizing agent and water contained in the wool sliver; And
And a winding roller unit for winding the stretch-dried wool sliver at a constant speed while twisting the wool sliver sliver.
Hereinafter, the present invention will be described in more detail.
The present invention relates to a method of treating a wool sliver with a wool fiber which is made by artificially stretching a wool fiber by a speed difference between the rollers to narrow the diameter of the wool fiber And apparatus.
First, a wool sliver having a fineness of 18.0 to 22.0 μm in constituent fibers is supplied to a reducing agent treatment section and pretreated to cut a cystine bond inside the wool fiber. The pretreatment is performed by dissolving the worsted yarn in sodium bisulfite or monoethanolamine sulfide 1 to 10% by weight and the remainder in water and pretreating it at 65 to 85 ° C for 5 minutes to 60 minutes is preferable for efficiently cutting the cystine bonds inside the constituent fibers. When the wool fiber is subjected to the reduction treatment and then physically stretched in the subsequent process, the wool fiber is stretched to 145% of the original length of the wool fiber without cutting. At the same time, the diameter of the wool fiber is reduced by 0.25 to 3.00 탆. , It is possible to obtain a three-piece wool sliver.
After the pretreatment, stretching is carried out at a stretching ratio of 1.2 to 2.0 and a stretching speed (winding drum) of 2 to 100 rpm to a continuous stretching portion composed of 5 to 7 pairs of roller systems in an environment of 20 to 30 ° C and a relative humidity of 50 to 90% , The fineness of the wool fiber is reduced. If the wool fiber has a large fineness, the length of the fiber is long. Therefore, if the fiber length is intensively extended, the fineness of the thick wool fiber is narrowed. Wool fibers are naturally harvested fibers, and the fineness expressed by the raw material grade is also denoted by the average fineness. Therefore, it is a core technology of the present invention to control the degree of fineness through fiber elongation in the state where the fibers thicker than the average fineness and the fibers longer than 35 to 85 mm are held between the rollers. Immediately after stretching of the wool sliver, the residual reducing agent is squeezed and dehydrated through the squeeze roller, and the oxidizing agent is dispersed in the spray form and distributed to the wool sliver (pad mangled).
In the wool fiber, the cystine bond, which is the side chain bond of the wool fiber, is cut by the reducing agent treatment. When the speed difference of the stretching roller gripping the wool sliver is given in this state, the physical stretching action of the wool fibers is performed, so that the thick wool fibers are pulled in the longitudinal direction of the fibers, and the fibers are made finer in the transverse direction . In this state, since the wool fiber is not completely set, it has a strong tendency to return to its original length, so a chemical reaction is required to temporarily fix the fiber while the fiber is gripped by the roller. Therefore, when an oxidizing agent such as sodium bromide, hydrogen peroxide or the like is sprayed on the wool fiber, it reacts with -H of the thiol group remaining as -SH in the side chain of the wool fiber, . Since the method of treating the wool sliver with three isomes is a continuous method, the oxidizing agent is sprayed before the wool fiber is dried so that sufficient chemical oxidation reaction can be performed in advance in the wool fiber.
In addition, a continuous setting unit having a dry air blower and a pair of pressing rollers 8 to 16 can maintain a constant temperature of 60 to 85 ° C. When the wool sliver is stretched longer than the average fiber length and is firmly gripped between the rollers, the thick fibers in the wool sliver are stretched and the thickness of the woolen fibers is made thin.
Particularly, in the continuous stretching part, when the upper roller is a roller made of rubber, and the lower roller is a metallic roller, the distance between the rollers is 30 to 50 mm and the roller to nip gauge is 40 to 95 mm, The stretching action takes place simultaneously without cutting, and the fineness of the wool fibers is reduced, which is preferable.
After the stretching, the wool sliver is formed by a pair of press rollers 8 to 16, and is dried while being passed through a drying roller portion having a blower temperature of 60 to 85 ° C for 1 to 10 minutes, The water is evaporated and can be set temporarily. Then, the dried wool sliver is wound on the winding roller with a twist of 15 to 32 tpm, and then the wool sliver is subjected to a permanent setting so that the wool fibers are recombined with the cystine bonds, Thereby completing the processing method. The reason why the wool sliver is twisted in the present invention is that, even if the wool sliver is temporarily set after being stretched, when the gripping sliver is switched to a state where there is no grip roller, the synthesis of the short fiber is lost and the wool sliver becomes free. Therefore, since the stretched wool fibers can be restored to the coarse wool state before the wool fibers are stretched, it is necessary to maintain the twisted state until the permanent setting process is completed.
It is preferable that the permanent setting treatment is to permanently set the wool sliver in a permanent treating solution containing 0.5 to 10 wt% of sodium bromide or hydrogen peroxide at 40 to 85 캜 to stabilize the physical performance of the wool fiber.
In the present invention, the wool fiber which is the wool sliver constituting fiber subjected to the pretreatment, stretching and setting is a temporary set of the wool, so that the wool fiber can be recovered under the high temperature and high humidity conditions. need.
Thus, the wool sliver produced from the method and apparatus for finely controlling the fineness of the wool fiber according to the present invention reduces the wool fineness of the original sliver to be supplied by 0.25 to 3.00 mu m.
In order to perform the method of finely controlling the fineness of the wool fiber of the present invention, a reducing agent treatment unit for pretreating the supplied wool sliver is provided. A wool stretching portion composed of 5 to 7 pairs of stretching roller systems capable of stretching the wool sliver, and capable of maintaining a constant temperature and squeezing of the wool sliver; A wool elongating setting unit consisting of pairs of temporary pressing rollers 8 to 16 capable of temporarily setting a reducing agent, an oxidizing agent and water contained in the wool sliver; And a winding roller portion winding the dried wool sliver at a constant speed while twisting the wool sliver sintered sliver.
As shown in FIG. 1, the reducing
Therefore, according to the present invention, it is possible to manufacture a wool sliver having three finenesses in which the fibers are not too soft and have an excessively long fiber length, and the production base capable of spinning production without replacing the spinning facilities of existing wool fibers is possible. Therefore, in order to solve the cost burden of the wool raw material having a large difference in the diameters of the wool fibers, that is, the raw wool due to the fineness, it is possible to provide wool raw materials using thick raw raw materials, Can be reduced.
BRIEF DESCRIPTION OF THE DRAWINGS Fig. 1 is a front cross-sectional view of a continuous control device used in a method for three-
FIG. 2 is a graph showing the correlation between the fineness of the wool fiber naturally taken and the fiber length,
FIG. 3 is a data of the fineness measurement by the Australian Wool Test Authority (AWTA) Laserscan measurement method for the wool fiber before the cementing treatment of the present invention,
Fig. 4 is data of the fineness measurement by AWTA (Australian Wool Test Authority) Laserscan measurement method for the wool fiber after the cementing treatment of the present invention.
The following examples illustrate non-limiting examples of methods for finely controlling the fineness of the wool fibers of the present invention.
[Example 1]
The wool sliver having an average fineness of 20.5 탆 and a fiber length of 72.2 Hmm was immersed in a pretreatment solution containing 3.0% by weight of monoethanolamine sulfide and the remainder as water, pretreated at 65 캜 for 6 minutes, In the environment, a continuous stretching unit composed of seven pairs of roller systems (upper rollers being rubber rollers, lower rollers being metal rollers with a gap between rollers of 35 mm and roller nip gauge of 68 mm) And the remaining reducing agent is squeezed and dehydrated with a pair of smooth rollers. The oxidant is then sprayed into the spray form and pad mangled to evenly penetrate the wool sliver. After the stretching operation, 16 pairs of pressing rollers were advanced at a speed of 10 rpm so that the wool stretched through the pressing roller could be fixed temporarily while being fixed so as not to shrink, while air having a blower temperature of 65 ° C was blown for 2 minutes And the moisture adhering to the wool sliver is evaporated. Therefore, when the wool sliver is passed through the wool stretching setting part, the preparation adhered to the woolen fiber is infiltrated and the water is evaporated, so that the woolen fiber is temporarily set. The wool sliver grasped by the squeeze rollers and stretched / dried was wound on a winding roller at a speed of 10 rpm (revolution / minute) while twisting at 32 tpm (twist / minute). The wool sliver was treated in a steam setting machine at 85 ° C for 40 minutes (Vacuum → Steam → Vacuum Cycle) to obtain a wool sliver permanently fixed with a stretching effect. The physical properties of the supplied wool sliver and the treated wool sliver are shown in Table 1 below.
The obtained wool sliver fibers had an average fineness of 2.52 탆 or less, a coefficient of variation of the fineness of the constituent fibers by 3.1%, a fiber length of 1.5Hmm longer, and a linear density of 19.61g / m appear.
(탆)
(CvM)
(mm)
(g / m)
(탆)
(CvM)
(mm)
(g / m)
10: Reducing agent treatment section 20: Wool stretching section
30: wool stretching setting section 40: winding roller section
Claims (5)
5 to 7 pairs of roller systems in an environment of 20 to 30 DEG C and 50 to 90% relative humidity, the upper roller is a rubber material roller, the lower roller is a metal material roller, the interval between the rollers is 30 to 50 mm, A stretching ratio of 1.2 to 2.0 with a continuous stretching unit having a gauge of 40 to 95 mm and a stretching speed (based on a winding drum) of 2 to 100 rpm;
After squeezing the reducing agent and spraying the oxidizing agent onto the wool sliver in a spray form,
After 8 to 16 pairs of drying rollers composed of pairs of pressing rollers 8 to 16 and having a drying blower temperature of 60 to 85 DEG C were passed through for 1 to 10 minutes and dried,
After winding the winding roller with a twist of 15 to 32 tpm;
The wool sliver is immersed in a permanent solution containing 0.5 to 10 wt% of sodium bromide or hydrogen peroxide at 40 to 85 ° C for 1 to 10 minutes using a dry blower at a temperature of 60 to 85 ° C, And then the wool sliver is temporarily set. Then, steam and heat are applied to the sliver sliver at 85 ° C for 40 minutes using a steam setter, and the permanent setting is performed.
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| CN111472081A (en) * | 2020-04-17 | 2020-07-31 | 鲁泰纺织股份有限公司 | Weft yarn coloring device in weaving process |
| KR102313866B1 (en) * | 2020-07-28 | 2021-10-18 | 이태인 | Apparatus for fine denier of wool sliver |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101428924B1 (en) * | 2013-05-30 | 2014-08-08 | 이부희 | Fine size wool yarn, manufacturing process and manufacturing apparatus for the same |
| KR101514922B1 (en) * | 2014-05-02 | 2015-04-24 | 한국섬유개발연구원 | Method of fine denier treatment for worsted-yarn and treament device |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101428924B1 (en) * | 2013-05-30 | 2014-08-08 | 이부희 | Fine size wool yarn, manufacturing process and manufacturing apparatus for the same |
| KR101514922B1 (en) * | 2014-05-02 | 2015-04-24 | 한국섬유개발연구원 | Method of fine denier treatment for worsted-yarn and treament device |
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