WO2001032972A1 - Procede de traitement d'un produit textile a base de cellulose - Google Patents

Procede de traitement d'un produit textile a base de cellulose Download PDF

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Publication number
WO2001032972A1
WO2001032972A1 PCT/JP1999/006107 JP9906107W WO0132972A1 WO 2001032972 A1 WO2001032972 A1 WO 2001032972A1 JP 9906107 W JP9906107 W JP 9906107W WO 0132972 A1 WO0132972 A1 WO 0132972A1
Authority
WO
WIPO (PCT)
Prior art keywords
fiber product
pressure
bobbin
outside
cellulosic
Prior art date
Application number
PCT/JP1999/006107
Other languages
English (en)
Japanese (ja)
Inventor
Mitsuhiko Tanahashi
Minoru Yamada
Takahiro Ito
Taku Konaka
Yasuaki Kiriyama
Original Assignee
Tokai Senko K.K.
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Tokai Senko K.K. filed Critical Tokai Senko K.K.
Priority to PCT/JP1999/006107 priority Critical patent/WO2001032972A1/fr
Publication of WO2001032972A1 publication Critical patent/WO2001032972A1/fr

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Classifications

    • 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
    • D06B5/00—Forcing liquids, gases or vapours through textile materials to effect treatment, e.g. washing, dyeing, bleaching, sizing impregnating
    • D06B5/12—Forcing liquids, gases or vapours through textile materials to effect treatment, e.g. washing, dyeing, bleaching, sizing impregnating through materials of definite length

Definitions

  • the present invention relates to a method for treating a cellulose fiber product.
  • the present invention relates to a method for stably processing cellulosic fiber products suitable for mass production.
  • the present invention relates to a method for dyeing a cellulosic fiber product which has been subjected to morphologically stable processing into a medium dark color.
  • Cellulose-based knitted and woven fabrics obtained using cotton, viscose lamination, and the like generally have poor form stability. That is, the cellulosic knitted fabric is wrinkled and easy, has poor W / 'W properties (wash-and-air properties), and is pleated. The cellulosic knitted fabric can easily be lost by washing the folds.
  • cellulose-based knitted fabrics have been conventionally subjected to resin processing. This resin processing crosslinks between cellulose molecules. For example, various cross-linking agents such as dimethyl urine and dimethyl triazole are used. It is to be applied to the base knitted fabric.
  • the present inventor has proposed a morphologically stable processing method that does not involve resin adhesion to cellulose-based fiber products.
  • This method is based on treating cell-based textiles in a high-pressure steam atmosphere at an absolute pressure of 290 kPa or more and a temperature of 130 ° C or more for a predetermined time.
  • the effect of this method is to treat cellulosic fiber products with high-pressure and high-temperature steam, so that the crystalline region or the pseudo-crystalline region inside the cellulosic fiber is treated. Hydrogen bonds are broken by the action of water vapor to move the cellulose molecules in response to external forces, and then the crystallization proceeds in a predetermined state. Therefore, cellulosic fiber products that have been subjected to high-pressure and high-temperature steam treatment are fixed in the form at the time of the treatment, and wrinkles are generated even if washing and the like are repeated several times. It is difficult to lose its original form.
  • this method promotes the crystallization of the cellulose molecules and achieves morphological stability, it dyes the treated cell-based textile products. In some cases, it was difficult to dye in dark colors. That is, the dyeing of the cellulose fiber is performed by dyeing the amorphous region with the dye, but the cellulose fiber after the treatment has few amorphous regions. It tends to be difficult to dye a large amount of dye, and therefore, it is difficult to dye cellulose fibers in a medium dark color. Also, if the crystallization of the cellulose fiber surface is progressing, even if there is a certain amorphous area inside the cellulose fiber, the dye penetrates into the amorphous area. Actually, the cell mouth one Fiber tends to be difficult to dye in a medium dark color.
  • An object of the present invention is to provide a method for stably processing a cellulose-based fiber product suitable for mass production, and a method for easily dyeing a medium-dark color when dyed. It provides Disclosure of the invention
  • the present invention provides a high-pressure water vapor having an absolute pressure of at least 390 kPa to cellulosic fiber products wound around a hollow bobbin having an opening in a wall surface. Water vapor is forcibly transmitted from the outside of the cellulose fiber product to the bobbin side or from the bobbin side to the outside of the cellulose fiber product. Releasing the high-pressure steam out of the system, and stopping the supply of the high-pressure steam, and then placing the cellulosic textile in an atmosphere having an absolute pressure of at least 390 kPa. High-pressure water to the cellulosic fiber product from the outside of the cellulosic fiber product toward the bobbin side, or from the bobbin side to the cell port-type fiber product. And a step of infiltrating the cellulose fiber to the outside. Der Ru. In addition, after the above process, the cellulosic fiber product is placed in an air atmosphere and then dyed. It is a thing.
  • a cellulose fiber product containing cellulose fibers is prepared.
  • the cellulosic fiber any conventionally known cellulosic fiber can be used.
  • cotton, viscose rayon, polyno You can use a stick, tensel, or a tuber.
  • Cellulose-based textile products include It is made by weaving raw cotton made from loose fiber, or cellulosic yarn spun from slein knives, tows, slivers, and this yarn.
  • Cellulose-based knitted woven fabrics and cell-mouth-based nonwoven fabrics obtained by accumulating cellulose fibers can be cited.
  • Cellulose-based yarns and woven fabrics may contain a mixture of different types of fibers, such as polyester fibers and nylon fibers, in addition to cellulose fibers. good.
  • the cellulose fibers in the cellulose-based fiber products are generally bleached or dyed. It goes without saying that bleaching or yarn-dying cellulosic fiber can be achieved by bleaching or yarn-dying cellulosic textile products. However, the cellulose fiber is not bleached or dyed, and may be in a commercially available state (as raw cotton). Bleaching of cellulosic fiber products can be accomplished by adding ground powder, sodium hypochlorite, hydrogen peroxide, sodium chlorite, peracetic acid, chlorinated silicate.
  • dyeing method such as direct dyes, reactive dyes, vat dyes and sulfur dyes, are used for the dyeing method, the continuous dyeing method, and the dyeing method. It may be performed by a conventionally known method such as a batching method or a printing method.
  • the cellulose fibers in the cellulosic fiber products are generally bleached without being pre-dyed.
  • the strength, cellulose and cellulose fibers may be left undyed or bleached and remain in the state of raw cotton. Also, rarely, they may be dyed.
  • the cellulosic fiber product may or may not be subjected to a certain shaping process when performing the high-pressure steam treatment described below. In any case, it provides morphological stability such as improvement of W / W property and elimination of shaping.
  • the shaping process for example, the following shaping can be mentioned. If the cellulosic fiber product is cellulosic fiber itself (cotton), crimping may be provided by crimping or the like. .
  • twisting or bending may be imparted by bulking or the like.
  • a cellulosic knitted fabric it is also possible to give a predetermined grain or fold by graining or pleating.
  • a hollow bobbin 1 having an opening 2 provided on a wall surface is prepared.
  • This hollow bobbin 1 may be of any type as long as it is cylindrical and has an opening 2 in the wall surface. Specifically, by forming a hole in the wall surface of the hollow tube, an opening 2 is formed, or a coarse sheet such as a metal mesh is formed into a cylindrical shape. It is good. In the latter case, the eyes of the mesh will be aperture 2. Then, a cellulose fiber product is wound around the bobbin 1. For example, when the form of the cellulosic fiber product is sliver, tow, yarn, knitted fabric or non-woven fabric, it may be simply wound around bobbin 1.
  • the cellulosic fiber product was cotton-like and it was not possible to simply wrap it around bobbin 1, an opening was provided outside bobbin 1. All you have to do is place the casing and fill it with cotton between bobbin 1 and the casing. In the present invention, such a form of cotton is also wound around bobbin 1. It is included in the category of selected cellulose fiber products.
  • the cellulose fiber product wound around the hollow bobbin 1 is stored in the autoclave 3.
  • one end of bobbin 1 is connected to drain pipe 5 so that the hollow of bobin 1 and drain pipe 5 are connected. deep .
  • the other end of the bobbin 1 is preferably sealed with a sealing material 8 that is impermeable to water vapor or water.
  • the sealing material 9 also seals both side edges of the cellulosic textile product 6 and the wall surface of the bobbin 1 where the cell opening textile product 6 is not wound. Usually preferred. It should be noted that even if there is a part that is not sealed, there is no problem as long as a large amount of high-pressure steam does not leak. In such a state, the valve A of the high-pressure steam introduction pipe 4 attached to the high-pressure cooker 3 is opened. Then, the high-pressure water vapor is supplied into the high-pressure cooker 3.
  • the high-pressure steam has an absolute pressure of more than 39 OkPa, preferably between 39 and 160 OkPa.
  • High-pressure steam with an absolute pressure of more than 390 kPa has a temperature of about 140 or more.
  • the high-pressure steam at an absolute pressure of 390 to 160 kPa has a temperature of about 140 to 200 ° C.
  • the autoclave 3 is provided with a drain pipe 5.
  • the drain pipe 5 is connected to the hollow of the bobbin 1 as described above.
  • the valve B attached to the drain pipe 5 is slightly opened.
  • the pressure in the drain pipe 5 becomes slightly lower than the pressure in the autoclave 3, so that the high-pressure steam is discharged from the outside of the cellulosic textile 6 to the bobbin 1.
  • the cellulosic fiber product is formed by the sealing materials 8 and 9. Since the part where 6 does not exist is almost sealed, high-pressure steam must pass through the cellulose fiber fiber 6 and pass in the direction of bobbin 1. .
  • the high-pressure steam is discharged from the drain pipe 5 through the hollow of the bobbin 1 to the outside of the system. Accordingly, the cellulosic textile product 6 is uniformly treated with high-pressure steam from the outside to the inside.
  • Such processing is performed for a predetermined period of time, for example, about 30 seconds to 60 minutes, preferably about 1 minute to 30 minutes.
  • the valve A attached to the high-pressure steam introduction pipe 4 is closed to stop the supply of the high-pressure steam.
  • the high-pressure steam remaining in the high-pressure cooker 3 is gradually released from the drain pipe 5, and the absolute pressure atmosphere in the high-pressure cooker 3 gradually decreases.
  • the valve C attached to the high-pressure water introduction pipe 7 attached to the high-pressure cooker 3 was opened, and the high-pressure water was opened. Is introduced into the autoclave 3.
  • This high-pressure water is wound around bobbin 1 because, in the absence of the cellulosic textile product 6, it is generally sealed by the sealing materials 8 and 9.
  • the pressure of the high-pressure water is equal to or higher than the atmospheric pressure in the autoclave 3. If it is less than the same, water cannot be introduced into the autoclave 3. At the same time, the high-pressure water permeates the bobbin 1 side from the outside of the cellulosic fiber product due to the capillary action of the cellulosic fiber product. In addition, when the pressure is equal to or higher than that, high-pressure water is forced to penetrate from the outside of the cellulosic textile to Bobbin 1 side. Due to such permeation, the high-pressure water passes through the hollow of bobbin 1 and reaches drain pipe 5.
  • the high-pressure water introduced into the autoclave 3 may be cold water, normal-temperature water, hot water or high-temperature water.
  • the absolute pressure in the autoclave 3 increases, so this high-temperature, high-pressure water is forced toward the bobbin 1 side from the outside force of the cellulose-based textile. It will be able to be infiltrated into the environment.
  • the duration of the treatment with high-pressure water may be arbitrary as long as the whole cellulosic fiber product is sufficiently wetted with water.
  • the atmosphere in the autoclave 3 that is, the atmosphere having an absolute pressure of more than 390 kPa may be changed.
  • the absolute pressure may be less than 390 kPa.
  • the atmosphere may be broken. It is good.
  • the cellulosic fiber product 6 wound around the hollow bobbin 1 is wetted with water as described above, the cellulosic fiber product is put into the autoclave 3. Remove product. As a result, the cellulosic fiber product is returned to a normal atmospheric atmosphere, and the cellulosic fiber product can be subjected to shape-stabilizing processing.
  • high-pressure water may be introduced from the discharge pipe 5 and permeate the high-pressure water from the bobbin 1 side to the outside of the cellulosic fiber product 6. Further, the supply of high-pressure steam may be performed from the drain pipe 5, the introduction of high-pressure water may be performed from the high-pressure water introduction pipe 7 as described above, or the supply of high-pressure steam may be performed.
  • the high-pressure steam introduction pipe 4 may be used, and the high-pressure water may be introduced from the drain pipe 5.
  • the cellulose fiber product 6 wound around the hollow bobbin 1 was treated using the autoclave 3, but other reaction was performed without using the autoclave 3.
  • a device such as a container may be used.
  • high-pressure steam can be transmitted from the outside to the inside or from the inside to the outside of the cellulosic textile product 6 wound around the hollow bobbin 1, and furthermore, Any device that can infiltrate high-pressure water can be used.
  • it is possible to uniformly and formally process the whole cellulose fiber product wound around the hollow bobbin 1.
  • the final product may be used as it is.
  • a conventionally known method such as a direct dye, a reactive dye, a vat dye, a sulfur dye, or the like
  • dyeing by a conventionally known method such as a dip dyeing method, a continuous dyeing method, a cold batch method, or a printing method. It is preferable to do so.
  • a reactive dye which is dyed by reacting with a cellulose molecule in terms of washing fastness. Yes.
  • the whole cellulose fiber product wound around the hollow bobbin 1 can be uniformly dyed in a medium-dark color. Therefore, it becomes possible to mass-produce cell-mouth-based fiber products that have been subjected to morphologically stable processing and dyed in a medium dark color.
  • the reason why the cellulosic fiber product is subjected to the shape-stabilizing processing in the method according to the present invention will be clear from the above description. That is, due to the action of high-pressure steam, hydrogen bonds in the amorphous region or a part of the pseudo-crystalline region inside the cellulose fiber are broken, and the cellulose molecules react with external force. After the crystallization, the crystallization proceeds in a predetermined state. Further, even in the crystal region inside the cellulose fiber, the crystals are partially rearranged, and a stable structure is obtained. By the action of such high-pressure steam, morphologically stable processing is applied to the cellulosic fiber product.
  • FIG. 1 is a schematic perspective view showing an example of a hollow bobbin used in the present invention.
  • FIG. 2 is a schematic cross-sectional view showing an example of an apparatus for performing the method for stabilizing the form of a cellulose fiber product according to the present invention.
  • the present invention provides a form stable processing of a cellulose fiber product suitable for mass production by winding the cellulose fiber product around a hollow bobbin having an opening in a wall surface. It should be construed as providing methods and staining methods.
  • 30-count viscosley-ray-yarn spun yarn (single yarn) is used as warp and weft, with a warp density of 68 yarns / inch and a weft density of 60 yarns / inch.
  • Rayon muslin (115 cm wide x 100 m) woven in plain weave is prepared by desizing, scouring and bleaching according to standard processes. The screen was wound on a hollow bobbin 1 with a diameter of 10 cm x length of 110 cm.
  • a hole having a hole diameter of 5 mm and a pitch of 1 inch between the pitches is provided.
  • the Rayon Muslin wound around the hollow bobbin 1 had a thickness of 45 mm.
  • the hollow bobbin 1 around which the rayon muslin was wound was housed in the autoclave 3 in the state shown in FIG. And from the high pressure boiler Then, high-pressure steam having an absolute pressure of 980 kPa was continuously supplied from the high-pressure steam introduction pipe 4 into the high-pressure cooker 3 through the valve A. At the same time, the valve B attached to the drain pipe 5 was slightly opened to discharge the high-pressure steam in the high-pressure pot 3 to the outside of the system. As a result, the high-pressure steam supplied into the autoclave 3 is forcibly permeated from the outside to the inside of the wound rayon muslin. After such a treatment was performed for 10 minutes, the supply of high-pressure steam was stopped by closing valve A.
  • the valve C of the water inlet pipe 7 was opened, and high-pressure water at a pressure of 980 kPa and a temperature of 30 ° C was continuously introduced into the autoclave 3.
  • the high-pressure water introduced into the autoclave 3 is forced to permeate from the outside to the inside of the wound rayon muslin.
  • the valve B of the drain pipe 5 was fully opened, and the pressure was reduced. Then, the rayon muslin wound around the hollow bobbin 1 was taken out of the autoclave 3.
  • the rayon muslin wound around the hollow bobbin 1 was stained by the usual industrial method under the following conditions.
  • Drimarene Navy X-RB C. I. Reactive Blue 79
  • the shrinkage of each of the above samples was measured by the following method. First, home washing was performed once according to the JIS-L0211103 method, and then dried in a home tumble dryer (high temperature) for 60 minutes. Then, the shrinkage rate (%) of each sample in the warp and weft directions was calculated by the following formula. That is, the initial longitudinal length of the sample is L m . And the length in the latitudinal direction. .
  • the W ⁇ 'W property (wash and wear property) of each of the above samples was evaluated by the following method. First, after washing and drying each sample in the same manner as in the measurement of the shrinkage ratio,

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Materials Engineering (AREA)
  • Textile Engineering (AREA)
  • Treatment Of Fiber Materials (AREA)

Abstract

L'invention concerne un procédé de production en série qui stabilise la forme d'un produit textile à base de cellulose, ce procédé consistant à enrouler un produit textile à base de cellulose (6) autour d'une bobine creuse (1) présentant dans la surface de sa paroi des trous (2), à placer la bobine et le produit dans un autoclave (3), à diriger de manière forcée, dans cet autoclave, à partir du côté extérieur du produit (6) et en direction de la bobine (1), une pression absolue d'au moins 390 kPa, cette pression s'échappant ensuite vers l'extérieur à partir de l'intérieur creux de la bobine (1), à cesser l'apport de vapeur haute pression, afin de finir le traitement par la vapeur, puis à laisser s'infiltrer l'eau sous haute pression, du côté extérieur du produit (6) vers la bobine (1), en maintenant une pression absolue atmosphérique d'au moins 390 kPa.
PCT/JP1999/006107 1999-11-01 1999-11-01 Procede de traitement d'un produit textile a base de cellulose WO2001032972A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PCT/JP1999/006107 WO2001032972A1 (fr) 1999-11-01 1999-11-01 Procede de traitement d'un produit textile a base de cellulose

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP1999/006107 WO2001032972A1 (fr) 1999-11-01 1999-11-01 Procede de traitement d'un produit textile a base de cellulose

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102560931A (zh) * 2010-12-13 2012-07-11 香港纺织及成衣研发中心 一种纤维织物松弛加工方法
CN110607572A (zh) * 2018-06-14 2019-12-24 广州碧绿丝生物科技有限公司 一种合成纤维假发的制备方法

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4821200Y1 (fr) * 1967-07-06 1973-06-20
JPH0533259A (ja) * 1991-07-29 1993-02-09 Kuraray Co Ltd セルロ―ス繊維の処理方法および該方法により得られる形状の記憶されたセルロース繊維
JPH0544181A (ja) * 1991-07-31 1993-02-23 Asahi Chem Ind Co Ltd 再生セルロース系繊維のチーズ染色方法
JPH06294068A (ja) * 1993-04-02 1994-10-21 Nohashi Kk 動物繊維製品の形状固定化方法
JPH093767A (ja) * 1995-06-19 1997-01-07 Hisaka Works Ltd 繊維製品の形態安定化処理方法およびそれに用いる装置
JPH11131370A (ja) * 1997-10-29 1999-05-18 Tokai Senko Kk セルロース系繊維製品の処理方法

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4821200Y1 (fr) * 1967-07-06 1973-06-20
JPH0533259A (ja) * 1991-07-29 1993-02-09 Kuraray Co Ltd セルロ―ス繊維の処理方法および該方法により得られる形状の記憶されたセルロース繊維
JPH0544181A (ja) * 1991-07-31 1993-02-23 Asahi Chem Ind Co Ltd 再生セルロース系繊維のチーズ染色方法
JPH06294068A (ja) * 1993-04-02 1994-10-21 Nohashi Kk 動物繊維製品の形状固定化方法
JPH093767A (ja) * 1995-06-19 1997-01-07 Hisaka Works Ltd 繊維製品の形態安定化処理方法およびそれに用いる装置
JPH11131370A (ja) * 1997-10-29 1999-05-18 Tokai Senko Kk セルロース系繊維製品の処理方法

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102560931A (zh) * 2010-12-13 2012-07-11 香港纺织及成衣研发中心 一种纤维织物松弛加工方法
CN110607572A (zh) * 2018-06-14 2019-12-24 广州碧绿丝生物科技有限公司 一种合成纤维假发的制备方法

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