WO2001038619A1 - Ruban comprenant des fibres extra-fines - Google Patents

Ruban comprenant des fibres extra-fines Download PDF

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Publication number
WO2001038619A1
WO2001038619A1 PCT/JP2000/007861 JP0007861W WO0138619A1 WO 2001038619 A1 WO2001038619 A1 WO 2001038619A1 JP 0007861 W JP0007861 W JP 0007861W WO 0138619 A1 WO0138619 A1 WO 0138619A1
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WO
WIPO (PCT)
Prior art keywords
fiber
sliver
fibers
less
ultrafine
Prior art date
Application number
PCT/JP2000/007861
Other languages
English (en)
Japanese (ja)
Inventor
Toshiro Ono
Akira Ebihara
Masao Morioka
Masanobu Kaneko
Katsuhiro Iwakoshi
Original Assignee
Kanebo, Limited
Kanebo Gohsen Limited
Kanebo Spinning Corporation
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 Kanebo, Limited, Kanebo Gohsen Limited, Kanebo Spinning Corporation filed Critical Kanebo, Limited
Publication of WO2001038619A1 publication Critical patent/WO2001038619A1/fr

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Classifications

    • 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
    • D01F8/00—Conjugated, i.e. bi- or multicomponent, artificial filaments or the like; Manufacture thereof
    • D01F8/04—Conjugated, i.e. bi- or multicomponent, artificial filaments or the like; Manufacture thereof from synthetic polymers
    • D01F8/14—Conjugated, i.e. bi- or multicomponent, artificial filaments or the like; Manufacture thereof from synthetic polymers with at least one polyester as constituent
    • 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

Definitions

  • the present invention relates to a sliver formed from a synthetic fiber staple having a fiber length of 30 mm or less via a carding process. More specifically, the present invention relates to a single-fiber fineness of 0.7 dtex as a constituent fiber. The present invention relates to a novel sliver structure having the same high productivity and spinnability as a conventional sliver using the following ultrafine fibers. Background art
  • the typical yarn form of polyester fiber, which is the mainstream polyester fiber is described as follows: Sea-island type (Fig. 1) described in Japanese Patent Publication No. 431-208, etc. Solid radiation type described in Japanese Patent Publication No. 12-29 (Fig. 2), hollow radiation type described in Japanese Patent Publication No. 53-169 (Fig. 3), Japanese Patent Publication No. 53-103 Blend type (Fig. 4) described in Japanese Patent Publication No. 216969 and the like can be mentioned.
  • ultrafine fibers including ultrafine fibers
  • the fibrous structures formed by such ultrafine fibers are characterized by (1) softness, (2) large surface area, (3) large space for fiber aggregates, and (4) high brushing properties. Yes, these functions are used extensively in various fields such as woven and knitted fabrics, nonwoven fabrics and synthetic leather.
  • ultrafine fibers including conventionally known ultrafine fibers (hereinafter referred to simply as “fine fibers”) are used in the form of filaments of continuous filaments.
  • fine fibers are used in the form of filaments of continuous filaments.
  • fine fibers it was not heavily used in the form of a staple for spinning, and in this respect it was extremely lacking in versatility.
  • microfibers are not frequently used for spinning is that it is difficult to produce good quality as much as the card fibers required for spinning of microfiber materials formed with fineness.
  • An object of the present invention is to solve the above-mentioned problems, to specify the single yarn structure of ultrafine fibers, the shape of the segments incorporated in the single yarns, the opened state of these segments, and the like, and to collect such fibers.
  • a new sliver structure consisting of staples of microfibers is constructed, thereby completely eliminating the lack of versatility of microfibers. Disclosure of the invention
  • the present invention has the following configuration. That is, it is a sliver made of ultrafine fibers, which is made of synthetic fibers having a fiber length of 30 mm or less that has passed through a cardboard process, and has a single-fiber fineness of 0.7 dt or less, and has a number of segments of 2 or more in a single yarn.
  • U% is not more than 10.0%
  • the number of neps (ke Zg) is not more than 8.0.
  • the segment is characterized in that the segments are split at least randomly along the axis.
  • FIG. 1 is a cross-sectional view of a single yarn of sea-island type ultrafine fiber.
  • FIG. 2 is a single yarn transverse cross-sectional view of a solid radiation type ultrafine fiber.
  • FIG. 3 is a single cross-sectional view of a hollow radiation type ultrafine fiber.
  • FIG. 4 is a cross-sectional view of a single yarn of the blend type ultrafine fiber.
  • FIG. 5 is a cross-sectional view of a single yarn of the ultrafine fiber used in the example of the present invention.
  • FIG. 6 is an explanatory diagram of a carding machine used in an embodiment of the present invention.
  • 1 is a cylinder. 2 is the buffer. 3 is flat. 4 is take-in.
  • each yarn form described above with reference to FIGS. 1 to 4 is a basic form of ultrafine fiber including polyester fiber.As is well known, the sea-island type shown in FIG. The solid radiation type shown in Fig. 2 is due to swelling or dissolution of one component, the hollow radiation type shown in Fig. 3 is due to exfoliation, and the blend type shown in Fig. 4 is due to dissolution of sea components as in Fig. 1. Then, the fibers are opened for each segment forming a single yarn of the ultrafine fiber, and ultrafineness is performed.
  • Each of the above yarns forms a stable synthetic fiber in an ultra-fine state, and can be used as a constituent fiber of sliver.However, in terms of ease of production, parallelism of the obtained fiber and spinning, From the viewpoint of spinnability, the solid radiation type shown in FIG. 2 and the hollow radiation type shown in FIG. 3 are more preferable than the sea-island type shown in FIG. 1 and the plain type shown in FIG. In particular, a fiber obtained by fibrillating (dividing) a composite fiber made of polyamide and polyester as a raw yarn is most preferable.
  • the ultrafine fiber obtained from such a conjugate fiber is most suitable as the material of the sliver of the present invention because it maintains the dimensional stability of polyester and the hydrophilicity of polyamide at the same time.
  • conjugate fiber As an example of the conjugate fiber, a polymer having no affinity to each other, for example, a polyamide and a polyester is joined along a longitudinal direction by conjugate spinning. Specifically, in the cross section, a segment formed from both components A and B (whichever is a polyamide component) is shown in FIG.
  • This component is composed of a component A having the shape of (1) and another component (B) having a shape that complements the radiating portion, but complements the radiating portion with the component (A) having a radiating shape as shown in (I) and (J).
  • One of them is composed of the other component B, and one of the radial shapes is interrupted at the center, and the other is a side-by-side repeating type with a hollow part as shown in Fig. 5 (K).
  • polyamide which is a component of the composite fiber examples include nylon 4, nylon 6, nylon 7, nylon 11, nylon 12, nylon 66, nylon 6,10, polymetaxylene adipamide, and polyparaxylyl. Rendecanamide, polybiscyclohexylmethanedecaneamide, and copolyamides containing these as components are exemplified.
  • polyester examples of the polymer which has no affinity for the polyamide which forms a composite fiber together with the above polyamide
  • polyester is preferred.
  • polyolefins are preferred, with polyesters being most preferred. In other words, when a combination of polyamide and polyester is used, the resulting fiber has the most preferable gloss and texture.
  • polyester examples include polyethylene ate, poly 1,4-dimethylcyclohexane terephthalate, polypivalolactone, and copolyesters containing these components.
  • polyolefin examples include polyethylene, polypropylene and these components. Copolyolefin and the like.
  • conjugate fiber is obtained by laminating two polymers of a fiber-forming polymer and a readily soluble polymer in a radial or parallel manner.
  • polyester is preferable in terms of ease of twist fixing and feeling, and particularly, polyethylene terephthalate is most preferable.
  • the easily soluble polymer can be easily selected in consideration of the combination with the fiber-forming polymer.However, a copolymerized polyester having a large alkali-hydrolyzing property, such as one of polyalkylene dalicol or a dicarboxylic acid having a metal sulfonate group, or Copolymerize the two Polyethylene terephthalate is useful.
  • the conjugate fiber of the present embodiment composed of a combination of the above two components is melt-spun in a filament shape of a continuous filament, then bundled and mechanically cut into a predetermined length of 30 mm or less. Use a pull-shaped fiber.
  • the segments constituting the single yarn are spread on the ultrafine fibers of the stable fibers.
  • the polyamide is made by physical impact such as mechanical bending or friction, or by the above polyamide.
  • a chemical solution examples include benzyl alcohol, 3-phenylethyl alcohol, phenol, m-cresol, formic acid, and acetic acid.
  • the concentration is preferably set to 1 to 50% by weight, especially 3 to 30% by weight. If the amount is less than 1% by weight, the effect of fibrillation is weak. On the other hand, if the amount exceeds 50% by weight, the aqueous emulsion becomes unstable. This is because there is a tendency to adversely affect other fiber components.
  • the easily soluble polymer can be dissolved and split with an aqueous solution of sodium hydroxide, potassium hydroxide or the like.
  • the raw fiber form of the ultrafine fiber is a solid radiation type or a hollow radiation type has been described, but the present invention can also be used for a sea-island type.
  • the above-mentioned conjugate fiber is shortened, and after performing opening and thinning for each segment, it is supplied to a carding process.
  • the stableness of the synthetic fiber used in the cotton spinning method is a variety of fibers having a fineness of 1.1 to 1.6 dt and a fiber length of about 38 mm.
  • the gauge between cylinder 1 and doffer 2 should be adjusted to 4-5Z 1,000 mm in Fig. 6.
  • the gauge between cylinder 1 and flat 3 is 10 to 12Z 1,000 inches
  • the gauge between cylinder 1 and Tekain 4 is 7Z 1 000 inches
  • cylinder 1 is 170 to 180 mm.
  • the properties thereof are greatly different from those of the conventional staple material, which is related to spinnability in spinning. It is necessary to carefully examine the properties of raw cotton such as hygroscopicity, electrical resistance, bulkiness, friction resistance, collective doubt, high elongation and compression elasticity. In particular, hygroscopicity, chargeability, bulkiness, high elongation, and the suitability of the oil agent to be given to the fiber are greatly related to the quality of operation.
  • the gauge between cylinder 1-1 and doffer 1-2 is set to 4Z1 000 inches, and the gauge between cylinder 1 and flat 3 is The gauge is 12Z 1,000 inches, the gauge between cylinder 1 and car 4 is 71,000 inches, cylinder 1 is 180 rpm, and car 4 is 350 rpm.
  • m is set to doffer 2 and 5 r ⁇ p ⁇ m.
  • the needle cloth must be made by Mcc especially for synthetic fiber.
  • each segment of the microfiber is individually fibrillated along the axis of the fiber, and the degree of fibrillation is greatly related to the bulkiness of the fiber, and the entire filament is fibrillated.
  • Partially fibrillated has less sag and maintains bulkiness. Further, it is more preferable that a uniform sliver can be obtained because the occurrence of neps in a force dwell can be reduced. The degree is determined by visually judging the state of the enlarged cross section.
  • the sliver that has passed through the carding process is further supplied to a drawing machine in a single or a plurality of slivers, and is subjected to a predetermined draft action to be finished into a sliver of the present invention having a specified weight.
  • the U% of the sliver immediately after the completion of the drawing process is reduced to 5.0% or less, and the number of neps (Zg) is reduced to 8.0 or less, whereby the U% of the sliver after the completion of the drawing process is reduced to 10%.
  • the NEP number (q / g) can be reduced to 8.0 or less.
  • the sliver of the present invention formed for this purpose only has the features of microfibers. Has the same quality and high productivity as the sliver of the synthetic fiber which is usually used.
  • the present invention will be further described with reference to examples.
  • the cross section is the shape shown in Fig. 5 (H), and eight radial segments are formed of polyamide made of nylon 6, while eight segments having a shape complementary to the radiating portion are made of polyethylene terephne.
  • the composite fiber formed from the polyester consisting of the latex was melt-spun at a composite ratio of 1: 2 by a normal process to obtain a drawn yarn of 11 1 dt / 50 f.
  • the drawn yarn is mechanically cut into a stable with a fiber length of 20 mm, which is then formed into a fibrillation method using benzyl alcohol described in Japanese Patent Publication No. 53-36563.
  • the fiber was finely divided into ultrafine fiber bundles having a fineness of about 0.22 dt, and this was used as a raw fiber in the carding process.
  • the fiber length by setting the fiber length to 20 mm, it is possible to avoid the entanglement of the ultrafine fibers in the card, and further to prevent the occurrence of neps by reducing the speed of the drafter rotation and holding down the sliver unit weight. We have obtained the expected high quality power sliver.
  • the sliver has a U% of 8.0% and a NEP of 6.0 (g Zg), and is of the same quality as a commonly used synthetic fiber sliver, and is used in many fields such as clothing and artificial leather. It was very versatile to use. In particular, it is suitable for wiping applications utilizing the fineness of fibers, and is effective for wiping glasses, industrial wiping cloths, and the like.
  • the wiping performance is remarkably improved as compared with the conventional cotton products, and the IC circuit board ⁇ connectors for optical fiber, audio and video, etc. Excellent for cleaning parts.
  • natural cotton swabs made of cotton, absorbent cotton, etc. are made of water-soluble polymers such as polyvinyl alcohol in order to prevent fluff that occurs during the formation of the swabs and drop off of surface fibers that occur during use.
  • a cotton swab is impregnated with an aqueous solution of a compound as a binder and then dried to solidify the fiber surface.
  • the swab shown in Example 2 suppresses the fluffing of the swab when forming the cotton ball without using any binder, and a method for preventing the fibers from falling off during use. It was obtained as a result of intensive studies, making the best use of the thermoplastic properties of the synthetic fibers that make up the cotton swabs, and then forming them at a specified temperature, for a specified time, and then heat-molded. By doing so, an extremely clean swab with high wiving performance can be obtained.
  • the synthetic fiber sliver of the present invention composed of ultrafine fibers is cut into appropriate lengths by an appropriate winding device, and then wound around a shaft such as plastic, paper, or a wooden tube.
  • a shaft such as plastic, paper, or a wooden tube.
  • a cotton ball of the desired size is formed, and the cotton ball is heat-treated in a heat-treatable molding machine to shrink the fibers on the surface of the cotton ball, to improve the fluffiness and to entangle the fibers. It is made to be done.
  • the heat transfer between the fibers is good, the efficiency of the heat treatment is increased, and the fiber density is high, so that strong fiber entanglement is possible, and precision equipment In cleaning, etc., it is possible to substantially eliminate the problem that the fibers are frayed from the surface of the cotton ball and become difficult to use.
  • the temperature of the heat treatment is appropriately selected depending on the material constituting the cotton ball, but it is preferable to perform the treatment at a temperature lower by 20 ° C. to 100 ° C. based on the melting point of the material. If the treatment temperature is too high, a part of the fiber surface will be fused or the inside of the cotton ball will shrink, causing the problem of excessive solidification of the cotton ball and yellowing due to thermal deterioration. On the other hand, if the processing temperature is low, the fiber shrinks weakly and the fiber is not sufficiently entangled, and the fiber is loosened during cleaning, which causes the fiber to fall off. It is sufficient that the heat treatment time is usually within 10 seconds. In any case, such a heat treatment should be appropriately adjusted according to the purpose and use of the swab.
  • the cross section is the shape shown in Fig. 5 (H), and eight radial segments are formed from polyamide made of nylon 6, and eight segments having a shape complementary to the radiating part are polyethylene terephthalate.
  • the composite fiber formed from the polyester having a latex was melt-spun at a composite ratio of 1: 2 by a usual process to obtain a drawn yarn of 110 dt Z50f.
  • the drawn yarn was mechanically cut into a stable having a fiber length of 20 mm, and this was drawn with a liquid card dyeing machine at a ratio of 48 Baume Na ⁇ H, 27 cc / 1 bath ratio of 1: 1 to 955.
  • the mixture was treated at 30 ° C for 30 minutes to produce ultrafine fiber cotton having a fineness of about 0.2 dt, which was passed through a carding step and a drawing step to form a sliver of 1 g / m.
  • the sliver was wound on both ends of a lmm ⁇ paper shaft using a conventional winding device to form cotton balls, and then treated for 3 seconds in a molding machine heated to 190 ° C. A cotton swab with high wiping performance was obtained, having no fluff on the surface and intertwining the fibers of the surface layer constituting the cotton ball.
  • the cross section has the shape shown in Fig. 5 (H). Eight segments having a radial shape are formed of alkali-soluble polyester, and eight segments having a shape complementary to the radiating portion are formed of regular polyester.
  • Composite fiber is processed by the normal process. It was melt spun at a combined ratio of 25:75 to obtain a drawn yarn of 11 1 dt / 50 f.
  • the raw fiber was subjected to the same pressing process and drawing process as in Example 1 to form a sliver having a U% of 8.0% and a nep number of 6.0 (Zg).
  • the obtained sliver of the present invention was versatile and versatile as in the case of Example 1.
  • the sliver of the present invention has the following effects. In other words, it has all the features of the fiber structure using ultra-fine fibers, such as flexibility, a large surface area, and high bulkiness, and has a sliver quality almost equivalent to that of the conventional short fiber spinning synthetic fiber sliver.
  • the possession makes it possible to use microfibers in a wide field where spun yarn is usually used, and has the effect of almost completely eliminating the lack of versatility of microfibers described at the beginning.

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Yarns And Mechanical Finishing Of Yarns Or Ropes (AREA)
  • Multicomponent Fibers (AREA)
  • Media Introduction/Drainage Providing Device (AREA)

Abstract

L'invention concerne un ruban comprenant des fibres extra-fines, qui se caractérise en ce qu'il se compose de fibres synthétiques cardées d'une longueur de 30 mm ou moins, ladite fibre étant une fibre composite fibrillée possédant une finesse de fil simple de 0,7 dt ou moins et un nombre de segments dans le fil simple correspondant à au moins 2. Lorsque le ruban est dans un état dans lequel les fibres sont groupées à raison de 5 000 dt ou plus, U % est de 10 % ou moins et le nombre de noeuds (pièces/g) est de 8,0 ou moins, le segment étant fendu au moins de manière aléatoire sur sa ligne axiale. Le ruban de l'invention constitue un ruban filé comportant, comme fibres constituantes, des fibres extra-fines possédant une finesse de fil simple de 0,7 dt ou moins, et présente sensiblement les mêmes propriétés que les rubans classiques en fibres synthétiques.
PCT/JP2000/007861 1999-11-25 2000-11-08 Ruban comprenant des fibres extra-fines WO2001038619A1 (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP33504499 1999-11-25
JP11/335044 1999-11-25
JP2000-189012 2000-06-23
JP2000189012A JP3704576B2 (ja) 1999-11-25 2000-06-23 極細繊維からなるスライバーを用いた綿棒

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WO2001038619A1 true WO2001038619A1 (fr) 2001-05-31

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PCT/JP2000/007861 WO2001038619A1 (fr) 1999-11-25 2000-11-08 Ruban comprenant des fibres extra-fines

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WO (1) WO2001038619A1 (fr)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103668852A (zh) * 2012-08-30 2014-03-26 有限会社佐藤化成工业所 聚酯纤维的纱条的制造方法及棉棒的制造方法
CN106400229A (zh) * 2016-06-24 2017-02-15 安徽创荣服装辅料有限公司 一种精梳莱赛尔纤维棉色纺涡流纱生产方法
CN107779979A (zh) * 2016-08-29 2018-03-09 湖南景竹新材料开发有限公司 一种多彩智能数码纱线的制备方法
CN107780012A (zh) * 2016-08-29 2018-03-09 湖南景竹新材料开发有限公司 一种多彩弱捻复合纱线的制备方法

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2008275576A (ja) * 2007-03-30 2008-11-13 Sato Kasei Kogyosho:Kk 綿棒
WO2011133130A1 (fr) * 2010-04-21 2011-10-27 Puritan Medical Products Company, Llc Dispositif et matériau de collecte

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH06313215A (ja) * 1993-04-27 1994-11-08 Ube Nitto Kasei Co Ltd 剥離分割型複合繊維
JPH0726454A (ja) * 1993-07-02 1995-01-27 Teijin Ltd 極細繊維ウエブの製造方法
JPH0949136A (ja) * 1995-08-04 1997-02-18 Kanebo Ltd ポリエステル紡績糸及びその製造方法
JPH10325019A (ja) * 1997-05-20 1998-12-08 Kuraray Co Ltd 分割型複合繊維

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH06313215A (ja) * 1993-04-27 1994-11-08 Ube Nitto Kasei Co Ltd 剥離分割型複合繊維
JPH0726454A (ja) * 1993-07-02 1995-01-27 Teijin Ltd 極細繊維ウエブの製造方法
JPH0949136A (ja) * 1995-08-04 1997-02-18 Kanebo Ltd ポリエステル紡績糸及びその製造方法
JPH10325019A (ja) * 1997-05-20 1998-12-08 Kuraray Co Ltd 分割型複合繊維

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103668852A (zh) * 2012-08-30 2014-03-26 有限会社佐藤化成工业所 聚酯纤维的纱条的制造方法及棉棒的制造方法
CN106400229A (zh) * 2016-06-24 2017-02-15 安徽创荣服装辅料有限公司 一种精梳莱赛尔纤维棉色纺涡流纱生产方法
CN107779979A (zh) * 2016-08-29 2018-03-09 湖南景竹新材料开发有限公司 一种多彩智能数码纱线的制备方法
CN107780012A (zh) * 2016-08-29 2018-03-09 湖南景竹新材料开发有限公司 一种多彩弱捻复合纱线的制备方法

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JP3704576B2 (ja) 2005-10-12

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