WO2020147227A1 - 一种擦拭巾及其制造方法 - Google Patents

一种擦拭巾及其制造方法 Download PDF

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Publication number
WO2020147227A1
WO2020147227A1 PCT/CN2019/087395 CN2019087395W WO2020147227A1 WO 2020147227 A1 WO2020147227 A1 WO 2020147227A1 CN 2019087395 W CN2019087395 W CN 2019087395W WO 2020147227 A1 WO2020147227 A1 WO 2020147227A1
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WO
WIPO (PCT)
Prior art keywords
fiber
hot
wipe
wood pulp
melt adhesive
Prior art date
Application number
PCT/CN2019/087395
Other languages
English (en)
French (fr)
Inventor
郑庆中
何顺新
武丹聘
谢继华
Original Assignee
厦门延江新材料股份有限公司
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
Application filed by 厦门延江新材料股份有限公司 filed Critical 厦门延江新材料股份有限公司
Priority to US17/262,206 priority Critical patent/US20210301437A1/en
Publication of WO2020147227A1 publication Critical patent/WO2020147227A1/zh

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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
    • D04H1/04—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres having existing or potential cohesive properties, e.g. natural fibres, prestretched or fibrillated artificial fibres
    • D04H1/26—Wood pulp
    • 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
    • D04H1/4374—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 using different kinds of webs, e.g. by layering webs
    • 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
    • D04H1/4258—Regenerated cellulose series
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    • 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
    • D04H1/4282—Addition polymers
    • D04H1/4291—Olefin 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
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    • D04H1/4326—Condensation or reaction polymers
    • D04H1/4334—Polyamides
    • 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
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    • D04H1/4326—Condensation or reaction polymers
    • D04H1/435—Polyesters
    • 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
    • D04H1/4326—Condensation or reaction polymers
    • D04H1/4358—Polyurethanes
    • 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
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    • 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
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    • 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
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    • 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
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    • D04H1/544—Olefin 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
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    • D04H1/542—Adhesive fibres
    • D04H1/55—Polyesters
    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
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    • D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
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    • D04H1/542—Adhesive fibres
    • D04H1/551—Resins thereof not provided for in groups D04H1/544 - D04H1/55
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    • 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
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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
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    • 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
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    • D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
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    • D10B2509/00—Medical; Hygiene
    • D10B2509/02—Bandages, dressings or absorbent pads
    • D10B2509/026—Absorbent pads; Tampons; Laundry; Towels

Definitions

  • the present invention relates to the technical field of wipes, in particular to an anti-shedding and anti-agglomeration wipe used in personal care and infant care and a manufacturing method thereof.
  • Wiper wipes are very convenient to carry and store, and convenient to use, so they are popular among consumers. Wipes are often used in daily life, such as when parents change diapers for babies, or when dining in a restaurant, or when putting on make-up and skin care. It can be seen that wipes are more and more widely used in personal care and infant care.
  • wipes can be spunlace nonwoven products or spunbonded nonwoven products. More traditional cloth wipes have convenient production methods, low prices, and can be used dry or wet.
  • Cigar invention patent application number 93118457.6 discloses a wear-resistant fiber nonwoven composite structure, which consists of the following two components (1) a meltblown fiber matrix with a first outer surface, a second outer surface and an inner part, and (2) At least one is incorporated into the matrix of meltblown fibers so that the concentration of meltblown fibers near each outer surface of the nonwoven structure is at least about 60% by weight, and the concentration of meltblown fibers in the inner part is less than about 40%. % (Weight) of other fiber materials.
  • This wipe provides useful strength and low lint characteristics and abrasion resistance that is at least about 25% greater than the abrasion resistance of a homogeneous mixture of the same fraction.
  • the melt blown layer formed by the melt blown fibers on the surface of the wipe cloth is relatively dense, which prevents other fiber materials in the inner part from falling out during use, but the other fibers in the inner part are not adhered to each other.
  • the phenomenon of'hair falling' will also occur during use, and agglomeration may occur when wiping after absorbing water, which affects the use effect of the wipe and reduces the service life.
  • the purpose of the present invention is to provide a wipe and its manufacturing method that can effectively prevent hair loss and agglomeration, and overcome the defects of existing products and production methods.
  • a wiper the upper and lower layers of the wiper are melt-blown fiber webs, the middle layer of the wiper is a wood pulp fiber web containing hot-melt adhesives, and the melt-blown fiber web is melt-blown The fibers are interspersed in the wood pulp fiber web.
  • the hot-melt adhesive material is low-melting polyester fiber, ES short fiber, two-component spunbond long fiber or a mixture thereof.
  • the content of the hot-melt adhesive substance is 1-15 g/m 2 .
  • the content of the hot-melt adhesive substance is 2-5 g/m 2 .
  • the meltblown fiber is polyolefin fiber, polyester fiber, polyamide fiber, polyurethane fiber, polylactic acid fiber or their mixture.
  • the weight of the wood pulp fiber web accounts for more than 50% of the total weight of the wipe.
  • the weight of the wood pulp fiber web accounts for 65% to 80% of the total weight of the wipe.
  • a manufacturing method of wipes includes the following steps:
  • the wood pulp is loosened and dispersed by the opening roller, and mixed with the hot-melt adhesive material to form a wood pulp fiber web containing the hot-melt adhesive material through the nozzle under the action of the auxiliary airflow;
  • thermoplastic resin is heated and melted, and the thin stream of the thermoplastic resin solution sprayed from the spinneret is blown into fiber bundles with a fiber diameter of ⁇ 10 ⁇ m by using high temperature and high-speed hot airflow, thereby accompanying
  • the hot air stream forms a melt-blown fiber web, and it meets the two sides of the wood pulp fiber web containing hot-melt adhesive material to form a melt-blown fiber web on both sides and wood pulp fiber containing hot-melt adhesive material in the middle.
  • the multi-layer fiber web is consolidated by the heating device to form the upper and lower layers as a meltblown fiber web, and the middle layer is a wipe with a wood pulp fiber web containing a hot melt adhesive.
  • the hot-melt adhesive material is low-melting polyester fiber, ES short fiber, two-component spunbond long fiber or a mixture thereof.
  • the heating device is a hot air oven, a hot roll or a combination of both.
  • the wiper manufacturing method of the present invention can be applied to prepare the wiper of the present invention. Because the wood pulp fiber web of the middle layer of the wiper of the present invention contains hot-melt adhesive substances, during the manufacturing process, When the formed multi-layer structure fiber web is processed by a heating device, the hot-melt adhesive material will begin to melt on the surface under the hot air environment.
  • the hot-melt adhesive and fiber contact each other, they will stick together to form an interwoven network structure. Therefore, to a certain extent, the wood pulp short fibers in the middle layer are fixed in the network structure, making the wood pulp short The fibers are difficult to move, so as to prevent the formed wipes from shedding during use, and also effectively prevent the wood pulp short fibers from agglomerating after absorbing water when the wipes are used with liquid.
  • Figure 1 is a schematic diagram of the manufacture of wipes of the present invention
  • Figure 2 is a cross-sectional view of the wipe of the present invention.
  • Wood pulp fiber web 3 Melt blown fiber web 4, 5
  • the present invention discloses a method for manufacturing wipes, including the following steps:
  • the hot melt adhesive material 2 can be low-melting polyester fiber, ES short fiber, two-component spunbond long fiber or their mixture, and their mixture is composed of low-melting polyester fiber, ES short fiber, two-component Part of spunbond long fibers are mixed together or optionally mixed together, and the content is 3g/m 2 .
  • thermoplastic resin is heated and melted, and the thin stream of the thermoplastic resin solution sprayed from the spinnerets C1 and C2 is blown into a fiber bundle with a fiber diameter of ⁇ 10 ⁇ m by using high temperature and high-speed hot air.
  • meltblown fiber webs 4, 5 with the hot air flow, and meet the two sides of the wood pulp fiber web 3 containing the hot-melt adhesive material 2, forming the meltblown fiber webs 4, 5 on both sides, and the middle
  • melt blown fiber can be polyolefin fiber, polyester fiber, polyamide fiber, polyurethane fiber, polylactic acid fiber or their Mixtures, their mixtures are made by mixing polyolefin fibers, polyester fibers, polyamide fibers, polyurethane fibers, and polylactic acid fibers together or optionally two/three/four types.
  • the middle layer Wiper 7 is a wood pulp fiber web 3 containing a hot melt adhesive material 2, wherein the melt blown fiber of the melt blown fiber webs 4 and 5 are interspersed in the wood pulp fiber web 3, and the weight of the wood pulp fiber web 3 accounts for the wipe
  • the percentage of the total weight of the wipe 7 is greater than 50%.
  • the weight of the wood pulp fiber web 3 accounts for 65% to 80% of the total weight of the wipe 7.
  • the present invention also discloses a wipe that can be made by the above-mentioned method for manufacturing wipes, which has a layered structure.
  • the upper and lower layers of the wipe 7 are meltblown fiber webs 4 , 5, the middle layer is a wood pulp fiber web 3 containing a hot melt adhesive material 2, the melt blown fibers of the melt blown fiber web 4, 5 are interspersed in the wood pulp fiber web 3, wherein the hot melt adhesive material
  • the content can be 1-15g/m 2 , preferably, the content of the hot-melt adhesive substance is 2-5g/m 2 , in this embodiment, the content of the hot-melt adhesive substance is 3g/m 2 2.
  • the hot-melt adhesive material 2 can be low-melting polyester fiber, ES short fiber, two-component spunbond long fiber or their mixture, and their mixture is composed of low-melting polyester fiber, ES short fiber, double Component spunbond long fibers are mixed together or optionally mixed together.
  • the wiping cloth 7 is formed by forming denser meltblown fiber webs 4 and 5 on the upper and lower layers, thereby preventing other fiber materials in the inside from falling out during use, and the middle layer
  • the wood pulp fiber web 3 contains a hot-melt adhesive material 2.
  • the formed multi-layer structure fiber web 6 passes through a hot-air oven and/or hot roll.
  • the hot-melt adhesive material 2 will be exposed to the hot air environment. It starts to melt.
  • the hot-melt adhesive 2 and the fibers come into contact with each other, they will adhere to each other to form an interwoven network structure, thereby fixing the wood pulp short fibers in the middle layer in the network structure to a certain extent. This makes it difficult for the wood pulp short fibers to move, thereby preventing the formed wipe 7 from shedding during use, and effectively preventing the wood pulp short fibers from agglomerating after absorbing water when the wipe 7 is used with liquid.

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  • Engineering & Computer Science (AREA)
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  • Life Sciences & Earth Sciences (AREA)
  • Wood Science & Technology (AREA)
  • Chemical & Material Sciences (AREA)
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Abstract

一种擦拭巾，其上、下两层为熔喷纤维网（4,5），中间层为含有热熔胶粘物质的木浆纤维网（3），熔喷纤维网的熔喷纤维穿插于木浆纤维网中。一种擦拭巾的制造方法，可用于制造吸水擦拭巾，有效防止所形成的擦拭巾在使用时不会出现"掉毛"的现象，也有效防止擦拭巾配合液体使用时木浆短纤维在吸水后团聚的现象发生。

Description

一种擦拭巾及其制造方法 技术领域
本发明涉及擦拭巾技术领域，尤其涉及应用于个人护理、婴幼儿护理用的一种防掉毛、防团聚的擦拭巾及其制造方法。
背景技术
擦拭巾由于携带及收纳相当的方便，且使用便利，因此受到广大消费者的喜爱。在日常生活中常常需要用到擦拭巾，例如当父母替婴儿更换尿布时，或是餐厅用餐时，或是化妆护理皮肤时。可见，擦拭巾在个人护理、婴幼儿护理方面应用越来越广泛。
目前，擦拭巾可以是水刺无纺布制品，也可以是纺粘无纺布制品。较传统的布类擦拭巾，其生产方法方便，价格低廉，并且干湿均可使用。
中国发明专利申请号为93118457.6公开了一种耐磨纤维无纺织复合结构物，它由下列两组分组成(1）具有第一外表面、第二外表面和里部的熔喷纤维基体，和（2）至少一种结合进熔喷纤维基体中使熔喷纤维在无纺织结构的每个外表面附近的浓度至少为约60%（重量），且熔喷纤维在里部的浓度小于约40%（重量）的其它纤维材料。这种擦拭布提供了有用的强度和低掉绒特性以及比相同级分的均匀混合物耐磨性大至少约25%的耐磨性。该擦拭布通过表面的熔喷纤维形成的熔喷层较致密,从而在一定程度上防止了里部其他纤维材料在使用过程中掉落出来，但是里部其他纤维之间没有相互粘连固定，在使用时'掉毛'现象也会出现，并且在吸水后擦拭时有可能会出现团聚现象，从而影响了擦拭巾的使用效果和减少了使用寿命。
发明内容
本发明的目的在于提供一种可有效防止掉毛、团聚的擦拭巾及其制造方法，克服现有产品及生产方法的缺陷。
为实现上述目的，本发明的解决技术方案是：
一种擦拭巾，所述擦拭巾的上、下两层为熔喷纤维网，所述擦拭巾的中间层为含有热熔胶粘物质的木浆纤维网，所述熔喷纤维网的熔喷纤维穿插于木浆纤维网中。
所述热熔胶粘物质为低熔点聚酯纤维、ES短纤维、双组份纺粘长纤维或它们的混合物。
所述热熔胶粘物质含量为1～15g/m2。
所述热熔胶粘物质的含量为2～5g/m2。
所述熔喷纤维为聚烯烃纤维、聚酯纤维、聚酰胺纤维、聚氨酯纤维、聚乳酸纤维或它们的混合物。
所述木浆纤维网的重量占所述擦拭巾总重量的百分比大于50%。
所述木浆纤维网的重量占所述擦拭巾总重量的百分比为65%～80%。
一种擦拭巾的制造方法，包括下列步骤：
（1）木浆通过开松辊开松打散，与热熔胶粘物质混合后在辅助气流的作用下通过喷管形成含有热熔胶粘物质的木浆纤维网；
（2）采用熔喷法工艺，将热塑性树脂加热，熔融，利用高温、高速热气流将从喷丝板中喷出的热塑性树脂的溶体细流吹散成纤维直径≤10μm的纤维束，从而伴随热气流形成熔喷纤维网，并与含有热熔胶粘物质的木浆纤维网的两个侧面处相交汇，形成两侧是熔喷纤维网，中间为含有热熔胶粘物质的木浆纤维网的多层结构纤维网；
（3）所述多层纤维网通过加热装置将纤维网固结在一起，形成上、下两层为熔喷纤维网，中间层为含有热熔胶粘物质的木浆纤维网的擦拭巾。
所述热熔胶粘物质为低熔点聚酯纤维、ES短纤维、双组份纺粘长纤维或它们的混合物。
所述加热装置为热风烘箱、热轧辊或两者相结合。
采用上述技术方案后，可应用本发明的擦拭巾制造方法制得本发明的擦拭巾，由于本发明的擦拭巾的中间层的木浆纤维网中含有热熔胶粘物质，在制造过程中，形成的多层结构纤维网通过加热装置处理时，热熔胶粘物质会在热风环境下，表面开始熔融，在
热熔胶粘物质与纤维相互接触时，则会相互粘连在一起，形成交织的网状结构，因此，在一定程度上将中间层的木浆短纤固定在网状结构中，使得木浆短纤难以移动，从而防止所形成的擦拭巾在使用时不会出现'掉毛'的现象，也有效防止擦拭巾配合液体使用时木浆短纤维在吸水后团聚的现象发生。
附图说明
图1为本发明擦拭巾的制造示意图；
图2为本发明擦拭巾的剖面图。
【符号说明】
木浆1热熔胶粘物质2
木浆纤维网3熔喷纤维网4、5
多层结构纤维网6擦拭巾7
开松辊A喷管B
喷丝板C1、C2热风烘箱D
热轧辊E。
具体实施方式
为了进一步解释本发明的技术方案，下面通过具体实施例来对本发明进行详细阐述。
如图1所示，本发明揭示了一种擦拭巾的制造方法，包括下列步骤：
（1）将木浆1通过开松辊A开松打散，与热熔胶粘物质2混合后在辅助气流的作用下通过喷管B形成含有热熔胶粘物质2的木浆纤维网3，其中，热熔胶粘物质2可以为低熔点聚酯纤维、ES短纤维、双组份纺粘长纤维或它们的混合物，它们的混合物是由低熔点聚酯纤维、ES短纤维、双组份纺粘长纤维一起混合或者任选两种混合而成，含量为3g/m2。
（2）采用熔喷法工艺，将热塑性树脂加热，熔融，利用高温、高速热气流将从喷丝板C1、C2中喷出的热塑性树脂的溶体细流吹散成纤维直径≤10μm的纤维束，从而伴随热气流形成熔喷纤维网4、5，并与含有热熔胶粘物质2的木浆纤维网3的两个侧面处相交汇，形成两侧是熔喷纤维网4、5，中间为含有热熔胶粘物质2的木浆纤维网3的多层结构纤维网6，其中，熔喷纤维可以为聚烯烃纤维、聚酯纤维、聚酰胺纤维、聚氨酯纤维、聚乳酸纤维或它们的混合物，它们的混合物是由聚烯烃纤维、聚酯纤维、聚酰胺纤维、聚氨酯纤维、聚乳酸纤维一起混合或者任选两种/三种/四种混合而成。
（3）所述多层结构纤维网6通过热风烘箱D和/或一对啮合的热轧辊E将纤维网固结在一起，形成上、下两层为熔喷纤维网4、5，中间层为含有热熔胶粘物质2的木浆纤维网3的擦拭巾7，其中，熔喷纤维网4、5的熔喷纤维穿插于木浆纤维网3中，木浆纤维网3的重量占擦拭巾7总重量的百分比大于50%，较佳的，木浆纤维网3的重量占擦拭巾7总重量的百分比为65%～80%。
如图2所示，本发明还揭示了一种可应用上述擦拭巾的制造方法制成的擦拭巾，其为层状结构，所述擦拭巾7的上、下两层为熔喷纤维网4、5，中间层为含有热熔胶粘物质2的木浆纤维网3，所述熔喷纤维网4、5的熔喷纤维穿插于木浆纤维网3中，其中所述热熔胶粘物质含量可以为1～15g/m2，较佳的，所述热熔胶粘物质的含量为2～5g/m2，于本实施例中，所述热熔胶粘物质的含量为3g/m2，所述热熔胶粘物质2可以为低熔点聚酯纤维、ES短纤维、双组份纺粘长纤维或它们的混合物，它们的混合物是由低熔点聚酯纤维、ES短纤维、双组份纺粘长纤维一起混合或者任选两种混合而成。
因此，该擦拭布7是通过于上、下两层形成较致密的熔喷纤维网4、5，从而在一定程度上防止了里部其他纤维材料在使用过程中掉落出来，并且中间层的木浆纤维网3中含有热熔胶粘物质2，在制造过程中，形成的多层结构纤维网6通过热风烘箱和/或热轧辊时，热熔胶粘物质2会在热风环境下，表面开始熔融，在热熔胶粘物质2与纤维相互接触时，则会相互粘连在一起，形成交织的网状结构，从而在一定程度上将中间层的木浆短纤维固定在网状结构中，使得木浆短纤难以移动，从而防止所形成的擦拭巾7在使用时出现'掉毛'的现象，也有效防止擦拭巾7配合液体使用时木浆短纤维在吸水后团聚的现象发生。

Claims (10)

  1. 一种擦拭巾，其特征在于：所述擦拭巾的上、下两层为熔喷纤维网，所述擦拭巾的中间层为含有热熔胶粘物质的木浆纤维网，所述熔喷纤维网的熔喷纤维穿插于木浆纤维网中。
  2. 如权利要求1所述一种擦拭巾，其特征在于：所述热熔胶粘物质为低熔点聚酯纤维、ES短纤维、双组份纺粘长纤维或它们的混合物。
  3. 如权利要求1或2所述一种擦拭巾，其特征在于：所述热熔胶粘物质含量为1～15g/m2。
  4. 如权利要求1或2所述一种擦拭巾，其特征在于：所述热熔胶粘物质的含量为2～5g/m2。
  5. 如权利要求1所述一种擦拭巾，其特征在于：所述熔喷纤维为聚烯烃纤维、聚酯纤维、聚酰胺纤维、聚氨酯纤维、聚乳酸纤维或它们的混合物。
  6. 如权利要求1所述一种擦拭巾，其特征在于：所述木浆纤维网的重量占所述擦拭巾总重量的百分比大于50%。
  7. 如权利要求1所述一种擦拭巾，其特征在于：所述木浆纤维网的重量占所述擦拭巾总重量的百分比为65%～80%。
  8. 一种如权利要求1所述擦拭巾的制造方法，其特征在于，包括下列步骤：
    （1）木浆通过开松辊开松打散，与热熔胶粘物质混合后在辅助气流的作用下通过喷管形成含有热熔胶粘物质的木浆纤维网；
    （2）采用熔喷法工艺，将热塑性树脂加热，熔融，利用高温、高速热气流将从喷丝板中喷出的热塑性树脂的溶体细流吹散成纤维直径≤10μm的纤维束，从而伴随热气流形成熔喷纤维网，并与含有热熔胶粘物质的木浆纤维网的两个侧面处相交汇，形成两侧是熔喷纤维网，中间为含有热熔胶粘物质的木浆纤维网的多层结构纤维网；
    （3）所述多层纤维网通过加热装置将纤维网固结在一起，形成上、下两层为熔喷纤维网，中间层为含有热熔胶粘物质的木浆纤维网的擦拭巾。
  9. 如权利要求8所述一种擦拭巾的制造方法，其特征在于：所述热熔胶粘物质为低熔点聚酯纤维、ES短纤维、双组份纺粘长纤维或它们的混合物。
  10. 如权利要求8所述一种擦拭巾的制造方法，其特征在于：所述加热装置为热风烘箱、热轧辊或两者相结合。
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