WO2020133625A1 - Non-tissé doux hydrolié en mélange coton-lin et son procédé de préparation - Google Patents

Non-tissé doux hydrolié en mélange coton-lin et son procédé de préparation Download PDF

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Publication number
WO2020133625A1
WO2020133625A1 PCT/CN2019/073317 CN2019073317W WO2020133625A1 WO 2020133625 A1 WO2020133625 A1 WO 2020133625A1 CN 2019073317 W CN2019073317 W CN 2019073317W WO 2020133625 A1 WO2020133625 A1 WO 2020133625A1
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WIPO (PCT)
Prior art keywords
cotton
spunlace
preparation
laying
fiber
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PCT/CN2019/073317
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English (en)
Chinese (zh)
Inventor
杨晓伟
蒙国慧
谭卫东
游中山
邓涛
梁小荣
贾耀芳
Original Assignee
海南欣龙无纺股份有限公司
宜昌市欣龙卫生材料有限公司
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Publication of WO2020133625A1 publication Critical patent/WO2020133625A1/fr

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    • 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
    • D04H1/42—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 characterised by the use of certain kinds of fibres insofar as this use has no preponderant influence on the consolidation of the fleece
    • D04H1/4382—Stretched reticular film fibres; Composite fibres; Mixed fibres; Ultrafine fibres; Fibres for artificial leather
    • 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
    • D04H1/42—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 characterised by the use of certain kinds of fibres insofar as this use has no preponderant influence on the consolidation of the fleece
    • D04H1/425—Cellulose series
    • 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
    • D04H1/44—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 the fleeces or layers being consolidated by mechanical means, e.g. by rolling
    • D04H1/46—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 the fleeces or layers being consolidated by mechanical means, e.g. by rolling by needling or like operations to cause entanglement of fibres
    • D04H1/492—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 the fleeces or layers being consolidated by mechanical means, e.g. by rolling by needling or like operations to cause entanglement of fibres by fluid jet
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06L—DRY-CLEANING, WASHING OR BLEACHING FIBRES, FILAMENTS, THREADS, YARNS, FABRICS, FEATHERS OR MADE-UP FIBROUS GOODS; BLEACHING LEATHER OR FURS
    • D06L4/00—Bleaching fibres, filaments, threads, yarns, fabrics, feathers or made-up fibrous goods; Bleaching leather or furs
    • D06L4/10—Bleaching fibres, filaments, threads, yarns, fabrics, feathers or made-up fibrous goods; Bleaching leather or furs using agents which develop oxygen
    • D06L4/12—Bleaching fibres, filaments, threads, yarns, fabrics, feathers or made-up fibrous goods; Bleaching leather or furs using agents which develop oxygen combined with specific additives
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06L—DRY-CLEANING, WASHING OR BLEACHING FIBRES, FILAMENTS, THREADS, YARNS, FABRICS, FEATHERS OR MADE-UP FIBROUS GOODS; BLEACHING LEATHER OR FURS
    • D06L4/00—Bleaching fibres, filaments, threads, yarns, fabrics, feathers or made-up fibrous goods; Bleaching leather or furs
    • D06L4/10—Bleaching fibres, filaments, threads, yarns, fabrics, feathers or made-up fibrous goods; Bleaching leather or furs using agents which develop oxygen
    • D06L4/13—Bleaching fibres, filaments, threads, yarns, fabrics, feathers or made-up fibrous goods; Bleaching leather or furs using agents which develop oxygen using inorganic agents

Definitions

  • the invention relates to a spunlace nonwoven material blended with cotton and linen and a preparation method thereof.
  • the hemp fiber blended spunlace nonwoven material can be used in the field of sanitary materials.
  • Hemp also known as hemp, thread, hemp, hemp, etc.
  • Hemp fiber is taken from industrial hemp and is widely used because of its many excellent properties.
  • Hemp fiber is the softest of all hemp fibers, and has natural bacteriostatic properties, but also has the functions of anti-ultraviolet rays, good moisture absorption, moisture permeability, etc. Therefore, the spunlace nonwoven material blended with hemp and cotton fibers is very suitable for sanitary materials.
  • Both hemp fiber and cotton fiber are natural fibers, so there will be many impurities and fiber color inconsistency and other defects. If not processed, the product will have many impurities or colors that look dirty and seriously affect the appearance of the cloth.
  • the Chinese patent application (CN20121014251.7) discloses a hemp spunlace nonwoven fabric and a preparation method thereof. The method includes the following steps: mixing hemp fiber with at least one of long-staple cotton fiber and viscose fiber, and then successively through coarse opening, fine opening, pneumatic feeding, carding, netting, drafting, water The spining and drying steps yield the hemp spunlace nonwoven fabric.
  • the Chinese patent application (CN20171090629.2) discloses a natural antibacterial fiber spunlace nonwoven fabric and its preparation method and application.
  • the natural antibacterial fiber spunlace nonwoven fabric contains hemp fiber and cotton fiber.
  • the method includes the following steps: separately pretreating hemp fiber and cotton fiber; mixing the pretreated hemp fiber and cotton fiber; and mixing the mixed fiber through the processes of opening and clearing cotton, combing cotton, and combing to make a sliver After being broken into a fine net, it is subjected to hydrophilic treatment, opening, carding, net laying, drafting, spunlacing, drying and winding. However, it is not disclosed whether the fiber or product has undergone the bleaching process, so the cleanliness of the cloth will be greatly affected. Even if the fibers are bleached and pretreated before being processed into spunlace cloth, this process is relatively complicated and costly.
  • the object of the present invention is to provide a spunlace nonwoven material blended with cotton and linen and its preparation method.
  • the present invention provides a spunlace nonwoven material blended with cotton and linen, which contains the following raw materials in mass percentage:
  • the cotton fibers are fine-pile cotton, long-staple cotton or coarse-pile cotton of natural cotton fibers
  • the cotton fibers have a length of 18-33 mm and a fineness of 1.4-2.3D.
  • the hemp fiber is industrial hemp fiber
  • the hemp fiber has a length of 18-100 mm and a fineness of 2.0-5.0D.
  • the cotton and linen soft towel blended spunlace nonwoven material has a grammage of 28-120 g/m 2 .
  • the invention also provides a method for preparing the spunlace nonwoven material blended with the above cotton and linen soft towel, which comprises the following steps:
  • step 2) the web forming method is full cross-laying, that is, the web laid out by the carding machine is cross-laid by a cross-laying machine, and the number of layers is 2-8, followed by drawing
  • the machine is used for drawing, the drawing magnification is 1.5-3 times, and spunlace is carried out after laying the net.
  • the web forming method is semi-cross laying, that is, a part of the mixed fiber is cross-laid, and a part is straight-laid, the number of cross-laid layers is 2-8, and the draw ratio is 1.5-3 times, then compound, and spunlace after laying the net.
  • the quantitative ratio of the cross-laid and straight-laid nets is 3:7 to 7:3, and the quantitative ratio is the basis weight of the cross-laid and straight-laid nets respectively accounting for the cross-laid and straight-laid nets.
  • the ratio of the total gram weight of the net laying, if the quantitative ratio of the cross-laying is 30%, the quantitative ratio of the straight laying is 70%.
  • the spunlace is one or a combination of spunlace or flat net spunlace on both sides of the web.
  • the bleaching liquid used for the bleaching is composed of a refining agent 0.2wt%-0.5wt%, hydrogen peroxide 1wt%-1.25wt%, liquid alkali 1.05wt%-1.27wt%, a stabilizer 0.08wt% -Formulated with 0.12wt% and the remaining amount of water.
  • step 3 the bleaching temperature is 60-90° C., and the bleaching time is 60-140 min.
  • the cotton and linen soft towel blended spunlace nonwoven material provided by the present invention is clean and tidy, soft and comfortable, has good bacteriostatic properties, and is very suitable for use in sanitary materials.
  • the selected hemp fibers and cotton fibers are natural fibers. Natural degradation, safety and environmental protection; its preparation method not only improves the quality of products, but also reduces costs.
  • FIG. 1 is a schematic flow chart of a method for preparing a spunlace nonwoven material blended with cotton and hemp soft towels of the present invention.
  • the present invention will be further described in conjunction with specific embodiments below, but the embodiments do not limit the present invention in any form.
  • the raw materials, methods and equipment used in the present invention are conventional raw materials, methods and equipment in the technical field.
  • the raw materials and equipment used in this example are conventionally commercially available raw materials and equipment in the technical field.
  • this embodiment provides a method for preparing a spunlace nonwoven material blended with cotton and linen, including the following steps:
  • Fiber preparation prepare industrial hemp fiber and natural cotton fiber, hemp length is 18-100mm, fineness is 2.0-5.0D, cotton fiber length is 18-33mm, fineness is 1.4-2.3D.
  • the grammage of the spunlace nonwoven material blended with cotton and linen towels was set at 45 g/m 2 .
  • the fiber material is grabbed and fed to the opening machine by a reciprocating cotton gripper for opening.
  • the weight ratio of hemp and cotton fiber is 3:7. After opening, it enters a multi-bin mixing box for mixing. After the fibers are mixed, they enter the carding machine for carding and impurity removal.
  • the fiber After removing the impurities, the fiber enters into the large warehouse mixing cotton bin for mixing. After mixing, the fibers are conveyed by the air flow of the cotton conveying fan to the carding machine for carding and netting.
  • the number of laying layers is 4 layers, the laying machine lays out the fiber web and enters the drafting machine for drafting, the draft ratio is 1.8 times, and finally the two sides of the roller are spunlaced, the number of spunlace channels is 5, the pressure is respectively 20bar, 30bar, 35bar, 40bar, 40bar.
  • the bleach used is prepared by refining agent 0.3wt%, hydrogen peroxide 1.2wt%, liquid alkali 1.1wt%, stabilizer 0.1wt%, and the remaining water to make.
  • refining agent 0.3wt%, hydrogen peroxide 1.2wt%, liquid alkali 1.1wt%, stabilizer 0.1wt%, and the remaining water to make are as follows:
  • the cloth is rolled out of the pan and vacuum dehydrated.
  • Dry the fabric surface after dehydration drying temperature is 75°C, take up after drying, take-up speed is 40m/min, cut according to requirements.
  • the spunlace nonwoven material blended with cotton and linen can be prepared.
  • the performance of the product is tested below.
  • Test instrument electronic balance
  • test method GB/T24218.1-2009
  • test results are shown in Table 1.
  • Test instrument YG141 fabric thickness tester, test method: GB/T24218.2-2009, the test results are shown in Table 2.
  • Test instrument electronic strength meter
  • test method GB/T24218.3-2010
  • test results are shown in Table 3.
  • Test method GB/T24218.6-2010, the test results are shown in Table 4.
  • this embodiment provides a method for preparing a spunlace nonwoven material blended with cotton and linen, including the following steps:
  • Fiber preparation prepare industrial hemp fiber and natural cotton fiber, hemp length is 18-100mm, fineness is 2.0-5.0D, cotton fiber length is 18-33mm, fineness is 1.4-2.3D.
  • the weight of the spunlace nonwoven material blended with cotton and linen towels is set at 40g/m2.
  • the reciprocating cotton grasping machine grabs and feeds the fiber material into the opening machine for opening.
  • the weight ratio of hemp and cotton fiber is 5:5. After opening, it enters into a multi-bin mixing box for mixing. After the fibers are mixed, they enter the carding machine for carding and impurity removal.
  • the fiber After removing the impurities, the fiber enters into the mixing warehouse of the large warehouse. After mixing, the fiber is divided into two parts and is conveyed to the carding machine by the airflow of the cotton blower for cross-laying and straight-laying.
  • the number of cross-laying layers is 4 layers.
  • the stretch ratio is 1.8 times, the straight-laid net weight is 15g/m 2 , the cross-laid net weight is 25g/m 2 , and the straight-laid fiber web and the cross-laid net are compounded.
  • the spunlace on both sides of the roller is carried out, the number of spunlace channels is 5, and the pressure is 20bar, 30bar, 45bar, 50bar, 50bar.
  • the bleach used is prepared by refining agent 0.3wt%, hydrogen peroxide 1.2wt%, liquid alkali 1.1wt%, stabilizer 0.1wt%, and the remaining water to make.
  • refining agent 0.3wt%, hydrogen peroxide 1.2wt%, liquid alkali 1.1wt%, stabilizer 0.1wt%, and the remaining water to make are as follows:
  • the cloth is rolled out of the pan and vacuum dehydrated.
  • Dry the fabric surface after dehydration drying temperature is 75°C, take up after drying, take-up speed is 45m/min, cut according to requirements.
  • Test instrument electronic balance
  • test method GB/T24218.1-2009
  • test results are shown in Table 6.
  • Test instrument YG141 fabric thickness tester, test method: GB/T24218.2-2009, the test results are shown in Table 7.
  • Test instrument electronic strength meter
  • test method GB/T24218.3-2010
  • test results are shown in Table 8.
  • the spunlace nonwoven material blended with cotton and linen in the present invention has good strength, high water absorption performance, and certain bacteriostatic properties, and the cloth surface is clean and tidy, soft and comfortable. Therefore, the invention has good development prospects and commercial utilization value in the fields of sanitary materials and the like.

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Inorganic Chemistry (AREA)
  • Nonwoven Fabrics (AREA)
  • Yarns And Mechanical Finishing Of Yarns Or Ropes (AREA)

Abstract

L'invention concerne un non-tissé doux hydrolié en mélange coton-lin et son procédé de préparation. Les matières premières du non-tissé doux hydrolié en mélange coton-lin sont des fibres de chanvre de Chine et des fibres de coton. Le procédé de préparation comprend les étapes suivantes consistant : à préparer des matières premières, à introduire des fibres, à teiller, à mélanger, à peigner et à éliminer les impuretés, à mélanger, à peigner et à créer une nappe de filet, à étirer le filet, à hydrolier, à blanchir, à déshydrater, à sécher, à bobiner et à découper. Le produit non-tissé doux hydrolié en mélange coton-lin préparé par le procédé de préparation est propre et soigné, doux et confortable, présente de bonnes propriétés bactériostatiques, et convient parfaitement à une utilisation dans des matières hygiéniques. De plus, les fibres de chanvre de Chine et les fibres de coton sélectionnées sont des fibres naturelles, qui sont dégradables naturellement, sûres et écologiques. Au moyen du procédé de préparation, non seulement la qualité des produits est améliorée, mais le coût est également réduit.
PCT/CN2019/073317 2018-12-29 2019-01-28 Non-tissé doux hydrolié en mélange coton-lin et son procédé de préparation WO2020133625A1 (fr)

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CN201811638947.XA CN109576902B (zh) 2018-12-29 2018-12-29 棉麻柔巾混纺水刺非织造材料及其制备方法

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CN110565268A (zh) * 2019-10-09 2019-12-13 安庆华维产业用布科技有限公司 一种半交叉式复合水刺无纺布生产方法
CN111793969A (zh) * 2020-07-17 2020-10-20 深圳全棉时代科技有限公司 一种复合无纺布的轻漂方法
CN112779669A (zh) * 2020-12-29 2021-05-11 宜昌市欣龙卫生材料有限公司 一种汉麻混纺的无纺布及其制备方法
CN113417070A (zh) * 2021-06-21 2021-09-21 刘景峰 一种抑菌水刺布及其制备方法
CN113417076B (zh) * 2021-06-23 2022-07-22 海南欣龙无纺股份有限公司 一种艾草整理熔喷布及其制备方法和应用

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