WO2012005411A1 - Étoffe non-tissée de nettoyage et son procédé de fabrication - Google Patents

Étoffe non-tissée de nettoyage et son procédé de fabrication Download PDF

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Publication number
WO2012005411A1
WO2012005411A1 PCT/KR2010/006907 KR2010006907W WO2012005411A1 WO 2012005411 A1 WO2012005411 A1 WO 2012005411A1 KR 2010006907 W KR2010006907 W KR 2010006907W WO 2012005411 A1 WO2012005411 A1 WO 2012005411A1
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WO
WIPO (PCT)
Prior art keywords
nonwoven fabric
fiber
cleaning
fibers
web
Prior art date
Application number
PCT/KR2010/006907
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English (en)
Korean (ko)
Inventor
조현
Original Assignee
주식회사 위너스코리아
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.)
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Publication date
Priority to US13/808,677 priority Critical patent/US20130111685A1/en
Application filed by 주식회사 위너스코리아 filed Critical 주식회사 위너스코리아
Publication of WO2012005411A1 publication Critical patent/WO2012005411A1/fr

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    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06C—FINISHING, DRESSING, TENTERING OR STRETCHING TEXTILE FABRICS
    • D06C27/00—Compound processes or apparatus, for finishing or dressing textile fabrics, not otherwise provided for
    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
    • D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
    • D04H1/40—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties
    • D04H1/54—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties by welding together the fibres, e.g. by partially melting or dissolving
    • D04H1/541—Composite fibres, e.g. sheath-core, sea-island or side-by-side; Mixed fibres
    • D04H1/5418—Mixed fibres, e.g. at least two chemically different fibres or fibre blends
    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
    • D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
    • D04H1/02—Cotton wool; Wadding
    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
    • D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
    • D04H1/40—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties
    • D04H1/54—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties by welding together the fibres, e.g. by partially melting or dissolving
    • D04H1/558—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties by welding together the fibres, e.g. by partially melting or dissolving in combination with mechanical or physical treatments other than embossing

Definitions

  • the present invention relates to a cleaning nonwoven fabric and a method for manufacturing the same, which can be used many times by improving the tensile strength, and more particularly, a washing nonwoven fabric and a method for manufacturing the same, which significantly increase the tensile strength while maintaining absorbency and oil absorption of cotton fibers. It is about.
  • non-woven fabric is a combination of various textile materials, such as natural, chemical, etc., produced without weaving, without a certain orientation between each other to form a web (sheet) form and then combine them by chemical or physical methods.
  • These non-woven fabrics can be used for clothing materials such as clothing and bedding, house interiors, crop coverings, agriculture, towels, diapers, masks, gauzes, medical filters, industrial cleaners, cloths, scrubbers, mops, It can be classified as cleaning for disposable wet tissues, etc., and the nonwoven fabric for cleaning should have high absorbency and oil absorption property due to the nature of the use.
  • a method of manufacturing a nonwoven fabric for washing is a melt blown method in which a synthetic polymer is spun and made into a fiber by a high pressure, high temperature hot air to be combined into a uniform molten fiber web.
  • the base material for the production of spunlace nonwoven fabric composed of only natural fibers has low strength and low friction resistance, thereby improving its solution.
  • a method of improving the strength and friction resistance by attaching a binder resin on one or both sides of the fiber web has been proposed.
  • too much binder resin is attached to the surface or both sides of the fiber web to reduce the absorbency of natural fibers. There is a problem.
  • a binder prepared using polyvinyl alcohol or the like is separately prepared and supplied to natural fibers, so that the oil desorption rate to the fibers is high, so the color sharpness is poor in dyeing and washing with water. If the dehydration process is repeated, there is still a problem that the tensile strength is insufficient.
  • a method of manufacturing a spunlace manufacturing substrate by stacking a natural pulp, a natural pulp web and a spunbond web made of long fibers, a meltblown, a scrim substrate, or a knitted fabric substrate, and then bonding them in a water spray method is also proposed.
  • the method has a problem that the process is complicated.
  • the present invention has been made to solve the above problems, it is an object of the present invention to provide a nonwoven fabric for washing excellent in oil absorption and absorption and a method of manufacturing the same.
  • an object of the present invention is to provide a cleaning nonwoven fabric having improved flexibility or drape property and a method of manufacturing the same.
  • an object of the present invention is to provide a nonwoven fabric for cleaning and a method of manufacturing the same, which is easy to continuous production and simple manufacturing process.
  • a nonwoven fabric for washing and a method for manufacturing the same include a raw material supplying step of adding 80 to 90 parts by weight of cotton fiber and 10 to 20 parts by weight of synthetic fiber; Mixing the injected raw material with a blender; Processing the mixed raw material with a carding machine to produce a sheet-shaped web; Manufacturing a fibrous web by laminating a plurality of webs and then spraying a water jet to bond a plurality of webs to each other; And thermally drying the fibrous web and softening the synthetic fibers to strengthen the bond with the cotton fibers.
  • nonwoven fabric for washing of the present invention and the method for producing the synthetic fiber is characterized in that the polyolefin fiber or polyester fiber having a melting point of 100 ⁇ 120 °C.
  • the washing nonwoven fabric of the present invention and the method of manufacturing the raw material supply step is characterized in that the cotton fiber and the synthetic fiber are alternately laminated to form at least three stages are supplied.
  • the heat treatment step is characterized in that the fiber web is carried out at 80 ⁇ 100 °C for 50 ⁇ 120 seconds by a hot air device and / or heating roll.
  • the cleaning nonwoven fabric of the present invention is characterized in that it is produced by the above production method.
  • nonwoven fabric for cleaning and the manufacturing method according to the present invention as described above has the effect of improving the absorption and oil absorption of the nonwoven fabric for cleaning.
  • the tensile strength is greatly improved, and there is an effect that can be sucked several times.
  • the cleaning nonwoven fabric and the manufacturing method according to the present invention has the effect of improving the flexibility or drape.
  • the nonwoven fabric for cleaning and the method for manufacturing the same do not need to additionally supply other raw materials or binders.
  • 1 is a process chart of the manufacturing method of the nonwoven fabric for cleaning according to the present invention.
  • 1 is a process chart of the manufacturing method of the nonwoven fabric for cleaning according to the present invention, as shown in the manufacturing method of the nonwoven fabric for cleaning the raw material supply step of adding 80 to 90 parts by weight of cotton fiber and 10 to 20 parts by weight of synthetic fiber (S11); Mixing the injected raw material with a blender (S21); Processing the mixed raw material with a carding machine to produce a sheet-shaped web (S31); Manufacturing a fibrous web by laminating a plurality of webs and then spraying a water jet to combine a plurality of webs with each other (S41); And heat-treating the fibrous web and simultaneously softening the synthetic fibers to strengthen bonding with the cotton fibers (S51).
  • the biggest feature of the cotton fiber is that the strength of the fiber itself is strong, especially when wet with water, and it is strong in repeated washing and absorbs well. This good one is suitable as a raw material for cleaning nonwoven fabrics.
  • the synthetic fiber is a polyolefin fiber or a polyester fiber having a melting point of 100 ⁇ 120 °C.
  • Polyethylene fiber, polypropylene fiber, or thermoplastic polyolefin fiber or polyester fiber having a melting point of 100 to 120 ° C. or less is mixed with cotton fiber to perform heat treatment to be described later, thereby further improving the tensile strength of the nonwoven fabric.
  • the synthetic fiber is less than 10 parts by weight based on 80 to 90 parts by weight of the cotton fiber, it may not form a sufficient bonding force with the cotton fiber. If the synthetic fiber is more than 20 parts by weight, the hardness becomes large, resulting in poor drape. Drape is one of the properties of bending strength of a fabric and the like, and mainly depends on flexibility and elasticity, and is calculated in the state of hanging down when the fabric is hanged on a disc.
  • cotton fibers and synthetic fibers are alternately stacked to form three or more stages. This is to overcome the partial bonding force according to the distribution of the synthetic fibers by allowing the raw materials to be evenly mixed.
  • Weighting Balance the moisture content and foreign matter inspection before the raw material supply, and the exact weight of each fiber is measured through the inspection using a weighting balance (Weighting Balance).
  • the cotton fibers and the synthetic fibers are alternately stacked to form three or more stages.
  • the step of mixing the input raw material with the blending cotton wool is the opening process to swell the compressed and tangled fibers after the raw material supply step and the front process to remove the miscellaneous contained in the fiber and to distribute the cotton fibers and the synthetic fibers evenly distributed It refers to the blending process.
  • the inputted raw materials are mixed in a blending machine including a large mixer, and the like is preferably mixed for 5 to 15 minutes so that the stacked mixed raw materials are sufficiently mixed.
  • the mixed raw material passed through the raw material mixing step is supplied to the carding machine at a constant weight through the raw material supply device and the basis weight device, and in the carding machine Separating into fibers, remove the miscellaneous and short fibers contained in the cotton, and serves to straighten small bundles or nodes of the fiber.
  • the carding machine consists of various rollers of different sizes and a large number of brushes attached to the rollers. As the roller rotates, the brush evenly spreads the cotton fibers and the low melting point fibers to produce a thin sheet web.
  • the spunlace process is a multi-layered web is passed under the water jet injector, the water jet is also called immersion and combines cotton fibers and low-melting point fibers to form a mesh (mesh) installed under the web Reproduced on the surface of the nonwoven fabric.
  • the water jet is also called immersion and combines cotton fibers and low-melting point fibers to form a mesh (mesh) installed under the web Reproduced on the surface of the nonwoven fabric.
  • the injection pressure of the water jet is suitable about 60 ⁇ 100bar. If it is less than 60 bar, the interfiber bonds are not sufficiently formed, and spraying more than 100 bar damages the surface of the web.
  • the spunlace process by spraying the water jet to form a solid bond between the web and the fiber, the pores formed by the water jet and the mesh serves to improve the absorbency and oil absorption of the nonwoven fabric.
  • the fibrous web is heated at 80 to 100 ° C. for 50 to 120 seconds by a hot air device and / or a heating roll to soften the synthetic fiber to strengthen the bond with the cotton fiber.
  • the heating roll is used to remove moisture remaining in the fibrous web to a predetermined level or less, and then passes through a drying chamber in which a hot air device is installed to evaporate the moisture remaining in the fibrous web and at the same time soften the synthetic fibers. It is preferable to press with a heating roll.
  • the operating temperature of the heating roll and the hot air device is controlled to 80 ⁇ 100 °C lower than the temperature at which the melting of the synthetic fiber to suppress the increase in hardness due to melting and cooling of the synthetic fiber, excellent drape as a cleaning nonwoven fabric (drape)
  • the multi-stage heat treatment it is possible to improve the production speed of high-quality nonwoven fabric as well as bonding force between cotton fibers and synthetic fibers.
  • nonwoven fabric that can be used several times by significantly increasing the bonding strength of the fiber web prepared by using the water jet by thermal fusion of synthetic fibers evenly distributed on the web.
  • the raw material is mixed for 10 minutes through a blender equipped with a large mixer, the web is manufactured with a carding machine, and the fiber is subjected to a spunlace process of adjusting the cross wrapper to 120 g / m 2 and spraying the water jet at a water pressure of 90 bar.
  • Example 1 Except for the 85kg cotton fiber in Example 1 was carried out substantially the same, except that the polyester fiber 15kg melting point 100 ⁇ 120 °C.
  • Example 1 was carried out substantially the same except for the 80kg cotton fiber 20kg of the polyester fiber having a melting point of 100 ⁇ 120 °C.
  • Example 1 using only 100 kg of cotton fibers as a raw material was carried out substantially the same.
  • Example 1 was carried out substantially the same except for 70kg of cotton fiber 30kg of the polyester fiber having a melting point of 100 ⁇ 120 °C.
  • polyester 1 polyester 100kg was carried out substantially the same as the raw material.
  • the non-woven fabric made of cotton fibers has the highest absorbency and oil absorption and gradually decreases as the content of polyester fibers increases.
  • the height of the absorbed water is 88.90 mm, and in the case of including 10 to 20 parts by weight of polyester fibers of Examples 1 to 3, the reduction width is small as 85.65 mm, 82.42 mm, and 78.68 mm,
  • Comparative Example 2 exceeding 20 parts by weight, the reduction width of 63.58 mm is increased. It can be seen that this phenomenon is the same in the oil absorption rate.
  • water or organic solvents are sucked up to a height of less than 70 mm to wash nonwoven fabric. Falls below the generally expected height.
  • Tensile strength in the longitudinal direction of the nonwoven fabric prepared as described above was prepared in 2 ⁇ 14 cm sample and measured according to KS K 0520 using a tensile tester (testmeter M350-500 AX, UK) is shown in Table 2 below.
  • Comparative Example 1 and Comparative Example 4 has a difference in tensile strength of about 2kgf compared to Examples 1 to 3, it can be confirmed that this difference is due to the lack of bonding force by the polyester fiber.
  • the polyester fibers act as a binder in the non-oriented structure of the cotton fibers to have a stronger tensile strength.
  • the nonwoven fabric for cleaning according to the present invention is significantly higher than the tensile strength of 2-3kgf of the nonwoven fabric used in the market to maintain its shape even after multiple washings and to have durability that does not tear.
  • the effect of reducing lint is also reduced, and the absorbency and oil absorption are much higher than those of nonwoven fabrics made of only synthetic fibers.

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Nonwoven Fabrics (AREA)

Abstract

La présente invention a trait à une étoffe non-tissée de nettoyage et à son procédé de fabrication, le procédé de fabrication de l'étoffe non-tissée de nettoyage comprenant : une étape d'apport de matières premières dans laquelle sont introduites de 80 à 90 parties en poids de fibre de coton et de 10 à 20 parties en poids de fibre synthétique ; une étape de mélange des matières premières introduites par utilisation d'une machine de battage et de teillage ; une étape de production d'une nappe sous la forme d'une feuille par utilisation d'une machine de cardage pour transformer les matières premières mélangées ; une étape de production d'un voile fibreux par disposition en couches de plusieurs nappes puis pulvérisation d'un jet d'eau pour relier les nappes les unes aux autres ; et une étape de traitement thermique durant laquelle le voile fibreux est soumis à un séchage à chaud et la fibre synthétique est ramollie et la liaison avec la fibre de coton est renforcée. L'invention porte en outre sur un procédé de fabrication de l'étoffe non-tissée. Selon la présente invention, l'étoffe non-tissée de nettoyage conserve une capacité d'absorption de l'eau et une capacité d'absorption de l'huile tandis que la résistance à la traction de la fibre de coton est considérablement accrue.
PCT/KR2010/006907 2010-07-07 2010-10-08 Étoffe non-tissée de nettoyage et son procédé de fabrication WO2012005411A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
US13/808,677 US20130111685A1 (en) 2010-07-07 2010-08-10 Nonwoven fabric for cleaning and a production method for the same

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR1020100065516A KR101050831B1 (ko) 2010-07-07 2010-07-07 세척용 부직포 및 그 제조방법
KR10-2010-0065516 2010-07-07

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WO2012005411A1 true WO2012005411A1 (fr) 2012-01-12

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US (1) US20130111685A1 (fr)
KR (1) KR101050831B1 (fr)
WO (1) WO2012005411A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103088548A (zh) * 2013-02-05 2013-05-08 黄巧玲 一种纤维棉垫及其制备工艺

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101378364B1 (ko) * 2011-10-31 2014-03-27 방종관 클렌징 또는 에센스용 패드 제조방법 및 그 방법에 의해 제조된 패드
CN103361881B (zh) * 2013-07-16 2015-06-03 江苏华龙无纺布有限公司 三层抗菌无纺布的生产方法
CN103541047B (zh) * 2013-10-11 2016-01-20 津市市金湘猪鬃实业有限公司 一种混鬃制作工艺
CN113106574B (zh) * 2021-04-07 2022-06-07 北京智棉科技有限公司 一种自动分组挑包配棉的方法、系统和存储介质

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH08291451A (ja) * 1995-04-19 1996-11-05 Unitika Ltd 不織布およびその製造方法
KR100882825B1 (ko) * 2008-09-30 2009-02-10 주식회사 로지텍 스펀레이스 부직포 제조용 기재
US7501364B2 (en) * 2006-11-29 2009-03-10 Bouckaert Industrial Textiles, Inc. Absorbent non-woven felt material and method of making same
KR20090103351A (ko) * 2008-03-28 2009-10-01 코오롱글로텍주식회사 폴리올레핀 단섬유로 제조된 스펀레이스 부직포로 구성된정전필터층을 포함하는 에어필터

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5804007A (en) * 1995-07-21 1998-09-08 Sunchemical Co., Ltd. Methods of manufacturing composite fiber sheet
WO2006011167A1 (fr) * 2004-07-29 2006-02-02 Orlandi, S.P.A. Procede permettant de fabriquer un nontisse en trois dimensions particulierement souple, et non-tisse ainsi obtenu
US20060141260A1 (en) * 2004-12-29 2006-06-29 Enamul Haque Sandwich composite material using an air-laid process and wet glass

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH08291451A (ja) * 1995-04-19 1996-11-05 Unitika Ltd 不織布およびその製造方法
US7501364B2 (en) * 2006-11-29 2009-03-10 Bouckaert Industrial Textiles, Inc. Absorbent non-woven felt material and method of making same
KR20090103351A (ko) * 2008-03-28 2009-10-01 코오롱글로텍주식회사 폴리올레핀 단섬유로 제조된 스펀레이스 부직포로 구성된정전필터층을 포함하는 에어필터
KR100882825B1 (ko) * 2008-09-30 2009-02-10 주식회사 로지텍 스펀레이스 부직포 제조용 기재

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103088548A (zh) * 2013-02-05 2013-05-08 黄巧玲 一种纤维棉垫及其制备工艺

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KR101050831B1 (ko) 2011-07-21
US20130111685A1 (en) 2013-05-09

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