KR20150120964A - Nonwoven fabric - Google Patents

Nonwoven fabric Download PDF

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KR20150120964A
KR20150120964A KR1020157021543A KR20157021543A KR20150120964A KR 20150120964 A KR20150120964 A KR 20150120964A KR 1020157021543 A KR1020157021543 A KR 1020157021543A KR 20157021543 A KR20157021543 A KR 20157021543A KR 20150120964 A KR20150120964 A KR 20150120964A
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nonwoven fabric
fiber
cross
section
fibers
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KR1020157021543A
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KR102093682B1 (en
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테루히코 카사하라
마사히로 타니노미야
??마 미야우치
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도레이 카부시키가이샤
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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
    • D04H1/4391—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 characterised by the shape of the fibres
    • 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
    • D04H1/43825—Composite fibres
    • D04H1/43828—Composite fibres sheath-core
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L13/00—Implements for cleaning floors, carpets, furniture, walls, or wall coverings
    • A47L13/10—Scrubbing; Scouring; Cleaning; Polishing
    • A47L13/16—Cloths; Pads; Sponges
    • A—HUMAN NECESSITIES
    • A45—HAND OR TRAVELLING ARTICLES
    • A45D—HAIRDRESSING OR SHAVING EQUIPMENT; EQUIPMENT FOR COSMETICS OR COSMETIC TREATMENTS, e.g. FOR MANICURING OR PEDICURING
    • A45D34/00—Containers or accessories specially adapted for handling liquid toiletry or cosmetic substances, e.g. perfumes
    • A45D34/04—Appliances specially adapted for applying liquid, e.g. using roller or ball
    • 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
    • D04H1/42—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
    • D04H1/435—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
    • D04H1/4382—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
    • D04H1/4382—Stretched reticular film fibres; Composite fibres; Mixed fibres; Ultrafine fibres; Fibres for artificial leather
    • D04H1/43825—Composite fibres
    • D04H1/43832—Composite fibres side-by-side
    • 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
    • D04H1/43835—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
    • D04H1/40—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
    • D04H1/4391—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 characterised by the shape of the fibres
    • D04H1/43912—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 characterised by the shape of the fibres fibres with noncircular cross-sections
    • A—HUMAN NECESSITIES
    • A45—HAND OR TRAVELLING ARTICLES
    • A45D—HAIRDRESSING OR SHAVING EQUIPMENT; EQUIPMENT FOR COSMETICS OR COSMETIC TREATMENTS, e.g. FOR MANICURING OR PEDICURING
    • A45D2200/00—Details not otherwise provided for in A45D
    • A45D2200/10—Details of applicators
    • A45D2200/1009—Applicators comprising a pad, tissue, sponge, or the like
    • A45D2200/1018—Applicators comprising a pad, tissue, sponge, or the like comprising a pad, i.e. a cushion-like mass of soft material, with or without gripping means
    • D—TEXTILES; PAPER
    • D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
    • D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
    • D10B2201/00—Cellulose-based fibres, e.g. vegetable fibres
    • D10B2201/20—Cellulose-derived artificial fibres
    • D—TEXTILES; PAPER
    • D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
    • D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
    • D10B2331/00—Fibres made from polymers obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. polycondensation products
    • D10B2331/04—Fibres made from polymers obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. polycondensation products polyesters, e.g. polyethylene terephthalate [PET]

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Nonwoven Fabrics (AREA)

Abstract

본 발명은 물이나 약액 등의 액체의 높은 흡보액력과 방출력을 갖고, 또한 우수한 벌키성과 유연성을 갖고, 촉감으로부터 피부에의 자극이 적음과 동시에 닦임성이 양호한 대인을 위한 청소용이나 미용용 등의 와이퍼용도에 적합한 부직포를 제공한다. 본 발명의 부직포는 다엽 편평 단면 폴리에스테르계 섬유 20∼80질량%와 셀룰로오스계 섬유 20∼80질량%로 이루어지는 부직포로서, 상기 다엽 편평 단면 폴리에스테르계 섬유의 횡단면형상이 원주 상에 6개 이상의 볼록부를 갖는 평평형상이며, 그리고 편평도 및 이형도를 규정한 폴리에스테르계 섬유를 혼면해서 이루어지는 부직포이다.Disclosure of Invention Technical Problem [8] The present invention relates to a liquid composition for oral administration, which has a high absorption liquid power and a discharge power of liquid such as water and a chemical liquid, has excellent bulkiness and flexibility, has little irritation to skin from a touch, Thereby providing a nonwoven fabric suitable for wiper applications. The nonwoven fabric of the present invention is a nonwoven fabric comprising 20 to 80% by mass of multi-lobular flat cross-section polyester fibers and 20 to 80% by mass of cellulose fibers, wherein the cross-sectional shape of the multi- And is a nonwoven fabric made by mixing polyester fibers that define a flatness and a degree of deformation.

Description

부직포{NONWOVEN FABRIC}Nonwoven {NONWOVEN FABRIC}

본 발명은 우수한 흡수성을 가짐과 아울러 물이나 약액 등의 보액성이 높고, 또한 우수한 벌키성, 유연성 및 촉감이 얻어지는 점에서 피부의 미용용 또는 청소용에 적합하게 사용되는 부직포에 관한 것이다. 본 발명은 특히 미용용으로 사용하는 경우에 있어서는 미용액의 보액성이 높고, 필요에 따라 미용액을 방출할 수 있는 성능을 갖고, 청소시에는 피부를 손상시키지 않고 높은 닦임성을 갖고 있어, 닦아낸 오물은 부직포내에 유지하고, 그리고 재오염을 방지하는 것이 가능한 와이퍼용에 적합한 부직포에 관한 것이다.The present invention relates to a nonwoven fabric suitably used for the cosmetic or cleaning of the skin in that it has excellent water absorbability and high water retention ability such as water or a chemical solution, and excellent glue property, flexibility and touch. The present invention relates to a cosmetic composition which has a high liquid retentivity of a cosmetic liquid and a capability of releasing a cosmetic liquid when necessary, especially when used for cosmetic use, has high scrubbing property without damaging the skin during cleaning, To a nonwoven fabric suitable for a wiper capable of retaining in a nonwoven fabric and preventing re-contamination.

종래, 습윤상태에서 사용되는 대인(對人) 청소용 부직포로서 여러가지 부직포가 제안되어 왔다. 예를 들면 폴리에스테르계 섬유 및 폴리올레핀계 섬유를 부직포 전체에 40∼77질량% 함유시킴으로써, 습윤시에 있어서의 부피의 가라앉음성을 방지하고, 유연성이 풍부한 부직포가 제안되어 있다(특허문헌 1 참조.). 그러나, 이 제안의 부직포는 폴리올레핀계 섬유를 사용함으로써 촉감성은 양호하지만, 강성이 없어 충분한 부피는 얻어지지 않기 때문에 보액성도 나쁘고, 또한 청소성에 있어서도 또한 충분치 않다는 과제가 있다.BACKGROUND ART [0002] Various nonwoven fabrics have been proposed as nonwoven fabrics for cleaning used in a wet state. For example, there has been proposed a nonwoven fabric which contains 40 to 77 mass% of polyester fibers and polyolefin-based fibers in the entire nonwoven fabric, thereby preventing saturation of the volume during wetting and imparting flexibility to the nonwoven fabric (see Patent Document 1 .). However, the nonwoven fabric of this proposal uses a polyolefin-based fiber, which is good in tactility, but has a problem that it is not rigid and therefore a sufficient volume can not be obtained, so that the liquid repellency is poor and the cleaning property is also insufficient.

또한 이형 단면 섬유와 피브릴화 섬유를 사용함으로써, 벌키성, 닦임성 및 실사용감이 우수한 와이퍼용 부직포가 제안되어 있다(특허문헌 2 참조.). 그러나, 이형 단면의 섬유이면, 형상에 상관없이 부직포의 보액성이나 청소성이 좋아지는 것도 아니고, 또 피브릴화 섬유는 섬유 단면이 예리한 경우가 많아 대인 청소용으로 사용한 경우에 피부를 손상시킬 우려가 있다는 과제가 있었다.Further, a woven fabric for wipers excellent in glue property, scrubbing property and inspecting feeling has been proposed by using a modified cross-section fiber and a fibrillated fiber (see Patent Document 2). However, the fibers of the modified cross-section do not improve the liquid retention and cleanability of the nonwoven fabric regardless of the shape, and the fibrillated fibers tend to have a sharp fiber cross-section, which may damage the skin when used for personal cleaning There was a challenge.

또한, 보액성과 청소성을 겸비한 부직포로서 중공부를 갖는 이형 단면 섬유를 포함하는 부직포가 제안되어 있다(특허문헌 3 참조.). 이 제안에 의한 부직포의 경우, 그 단면형상에 의해 보액성은 좋아지지만, 중공부가 찌그러지는 등 형상 유지성이 떨어지므로 보액성능으로서는 충분하지 않다고 하는 과제가 있다.Further, a nonwoven fabric including a sectioned cross-section fiber having a hollow portion as a nonwoven fabric having both liquid retentivity and cleanability has been proposed (see Patent Document 3). In the case of the nonwoven fabric according to this proposal, although the liquid retaining property is improved by its cross-sectional shape, there is a problem that the lubrication performance is not sufficient because the hollow portion tends to be distorted such that the shape retention becomes poor.

또한 주체섬유의 단섬유 단면형상의 편평도가 2.0이하이며, 또한 120도미만의 개구각을 갖는 개구부를 2개이상 갖는 것을 특징으로 하고, 인장강도 및 방투성이 우수한 흡수 물품용 시트재가 제안되어 있다(특허문헌 4참조.). 그러나, 이 제안의 부직포는 광의 난반사에 의한 방투성은 양호하지만, 편평도가 낮기 때문에 부직포의 유연성으로서는 충분하지 않다고 하는 과제가 있다.Further, there has been proposed a sheet material for an absorbent article characterized by having two or more openings each having a flatness of a cross-sectional shape of a short fiber of the main fiber of 2.0 or less and an opening angle of only 120 degrees (see See Patent Document 4). However, the nonwoven fabric of this proposal has a good transparency due to the diffuse reflection of light, but has a problem that the flexibility of the nonwoven fabric is not sufficient because of low flatness.

일본 특허공개 2010-84297호 공보Japanese Patent Application Laid-Open No. 2010-84297 일본 특허공개 2010-81987호 공보Japanese Patent Application Laid-Open No. 2010-81987 일본 특허공개 2009-79320호 공보Japanese Patent Application Laid-Open No. 2009-79320 일본 특허공개 2012-197546호 공보Japanese Patent Application Laid-Open No. 197546/1990

그래서 본 발명의 목적은 상기의 종래기술이나 천연섬유 및 셀룰로오스계 섬유만으로는 이룰 수 없었던 액체의 높은 흡보액력과 방출력을 가지며, 또한 적당한 벌키성과 유연성을 갖고, 촉감으로부터 피부에의 자극이 적고, 닦임성이 양호한 대인을 위한 청소용이나 미용용 등의 와이퍼 용도에 적합한 부직포를 제공하는 것에 있다.Therefore, an object of the present invention is to provide a water absorbent composition which has a high absorption liquid power and a discharge power of a liquid which can not be achieved by the above-mentioned prior art or natural fiber and cellulose fiber alone, has appropriate bulkiness and flexibility, Which is suitable for wiping applications such as cleaning and cosmetics for an adult who has good fidelity.

본 발명은 상기 과제를 해결하기 위해서, 편평 다엽 단면 폴리에스테르계 섬유와 셀룰로오스계 섬유를 병용함으로써, 피부를 손상시키지 않고 닦임성을 향상시킬 수 있는 것, 또한 액체를 포함시켜서 사용할 경우에 있어서는 흡액력과 보액력을 향상시킴과 아울러 사용시에는 액체를 방출할 수 있는 것을 찾아내어 본 발명을 이루기에 이르렀다.In order to solve the above problems, the present invention has been made in view of the above problems, and it is an object of the present invention to provide a polyolefin fiber which is capable of improving scrubbing without damaging the skin by using a flat multi- And the liquid can be released at the time of use. The present invention has been accomplished on the basis of these findings.

즉 본 발명의 부직포는 편평 다엽 단면 폴리에스테르계 섬유 20∼80질량%와 셀룰로오스계 섬유 20∼80질량%를 혼면해서 이루어지는 부직포로서, 상기 편평 다엽 단면 폴리에스테르계 섬유의 횡단면형상이 6개이상의 볼록부를 갖는 편평형상이며, 편평 다엽 단면 폴리에스테르계 섬유는 횡단면의 최대 길이를 A, 최대 폭을 B, 최대 요철부에 있어서 인접하는 볼록부의 정점 사이를 연결하는 선의 길이를 C, 그리고 상기 볼록부의 정점 사이를 연결하는 선으로부터 오목부의 저점에 내린 수선의 길이를 D로 할 때, 하기 식(1)의 편평도와 하기 식(2)의 이형도를 동시에 만족하는 것을 특징으로 하는 부직포이다.That is, the nonwoven fabric of the present invention is a nonwoven fabric comprising 20 to 80% by mass of a flat multi-leaf cross-section polyester fiber and 20 to 80% by mass of a cellulose fiber, wherein the cross-sectional shape of the flat multi- Wherein the maximum length of the transverse section is A, the maximum width is B, the length of the line connecting the vertexes of the adjacent convex portions in the maximum concave-convex portion is C, and the length of the line connecting the apexes of the convex portions (1) and a variational diagram of the following formula (2), where D is the length of the water line drawn from the line connecting the two adjacent dots to the bottom of the recess.

·편평도(A/B)=2.0∼3.0···(1)Flatness (A / B) = 2.0 to 3.0 (1)

·이형도(C/D)=1.0∼5.0···(2)(C / D) = 1.0 to 5.0 (2)

본 발명의 부직포의 바람직한 형태에 의하면, 상기의 다엽 편평 단면 폴리에스테르계 섬유의 횡단면의 최대 길이(A)를 대칭축으로 하고, 대향하는 양 볼록부 정점간 선분 중 횡단면 최대 폭(B)을 제외하고 최장이 되는 길이를 E로 할 때, 하기 식(3)으로 정의되는 볼록부비를 만족하는 것이다. According to a preferred embodiment of the nonwoven fabric of the present invention, the maximum length (A) of the cross section of the multi-lobular flat cross-section polyester fiber is set as an axis of symmetry, and the maximum cross- When the longest length is E, the convex portion ratio defined by the following expression (3) is satisfied.

·볼록부비(E/B)=0.6∼0.9···(3)Convex portion ratio (E / B) = 0.6 to 0.9 (3)

본 발명의 부직포의 바람직한 형태에 의하면, 상기의 편평 다엽 단면 폴리에스테르계 섬유의 단섬유 섬도는 2.0dtex이하이다.According to a preferred form of the nonwoven fabric of the present invention, the fineness of the single fiber of the flat multi-branched cross-section polyester fiber is 2.0 dtex or less.

본 발명의 상기 부직포는 특히 와이퍼용 부직포로서 바람직하게 사용된다.The nonwoven fabric of the present invention is preferably used particularly as a nonwoven fabric for wipers.

(발명의 효과)(Effects of the Invention)

본 발명에 의하면, 물이나 약액 등의 액체의 높은 흡보액력과 방출성을 갖고, 또한 적당한 벌키성과 유연성을 겸비하고, 피부에의 자극이 적음과 동시에 닦임성이 양호해서 특히 대인을 위한 청소용이나 미용용 등에 적합한 부직포가 얻어진다.INDUSTRIAL APPLICABILITY According to the present invention, it is possible to provide a cosmetic composition which has a high absorbing capacity and emulsifiability of a liquid such as water or a chemical liquid, has appropriate bulkiness and flexibility, has less irritation to the skin and has a good scrubbing property, A nonwoven fabric suitable for use is obtained.

도 1은 섬유 단면의 원주 상에 복수(8개)의 볼록부를 갖는 본 발명의 부직포가 구비하는 다엽 편평 단면 폴리에스테르 섬유의 횡단면형상을 예시 설명하기 위한 단면도이다.BRIEF DESCRIPTION OF THE DRAWINGS Fig. 1 is a cross-sectional view for explaining a cross-sectional shape of a multi-lobe flat cross-section polyester fiber of a nonwoven fabric of the present invention having a plurality of (eight) convex portions on the circumference of a fiber cross section.

다음에 본 발명의 부직포에 대해서 상세하게 설명한다.Next, the nonwoven fabric of the present invention will be described in detail.

본 발명에서 사용되는 셀룰로오스계 섬유는 마, 코튼 및 실크 등의 천연섬유, 비스코스레이온, 큐프라 및 용제 방지 셀룰로오스 등의 재생 섬유, 및 아세테이트 등의 반합성 섬유 중 적어도 1종류의 셀룰로오스계 섬유로부터 선택해서 선택된다. 이들 중에서도 취급성과 범용성의 관점으로부터 비스코스레이온이나 용제 방사 셀룰로오스 등의 재생 섬유가 바람직하게 사용된다.The cellulose-based fibers used in the present invention may be selected from at least one kind of cellulose-based fibers such as natural fibers such as hemp, cotton and silk, regenerated fibers such as viscose rayon, cupra and solvent-resistant cellulose, and semi-synthetic fibers such as acetate Is selected. Of these, regenerated fibers such as viscose rayon or solvent-spun cellulose are preferably used from the viewpoints of handling and versatility.

본 발명에서 사용되는 셀룰로오스계 섬유는 임의의 횡단면형상이 원주 상에 요철을 갖는 편평형상인 것이 바람직하다. 원주 상의 요철의 수가 많을수록 흡액성이 높고, 또한 모세관 작용에 의해 부직포 일면에 균일하게 액을 확산해서 수분얼룩이 적어진다.The cellulose-based fiber used in the present invention is preferably a flat sheet having an arbitrary cross-sectional shape having a concavo-convex shape on the circumference. The greater the number of irregularities on the circumference, the higher the liquid-absorbing property, and the liquid is uniformly diffused on one surface of the nonwoven fabric by the capillary action, thereby reducing the irregularity of water.

원주 상의 볼록부의 수는 5개이상이 바람직하고, 보다 바람직하게는 8개이상이다. 또한 요철부의 형상은 촉감성의 관점으로부터 만곡된 형상인 것이 바람직하다.The number of convex portions on the circumference is preferably 5 or more, more preferably 8 or more. Also, the shape of the concavo-convex portion is preferably curved in terms of tactility.

또한 셀룰로오스계 섬유의 단섬유 섬도는 1.0∼5dtex인 것이 바람직하다. 단섬유 섬도는 더욱 바람직하게는 1.2∼2.2dtex이다. 단섬유 섬도가 1.0dtex미만이 되면, 카드의 실린더에 휘감기기 쉬워져 공정 통과성이 현저하게 저하되는 일이 있다. 그 결과로서 부직포의 옷감 바탕 얼룩이 발생하기 쉬워진다. 또한 단섬유 섬도가 5dtex를 초과하면, 특히 대인에게 사용했을 경우에 있어서는 부직포의 촉감이 단단해져서 사용상 바람직하지 못한 경향을 나타낸다. 또한 단섬유가 굵어짐으로써 섬유간의 공극이 지나치게 커지므로 보액성이 현저하게 저하되는 경향이 있다.The monofilament fineness of the cellulosic fiber is preferably 1.0 to 5 dtex. The single fiber fineness is more preferably 1.2 to 2.2 dtex. If the monofilament fineness is less than 1.0 dtex, winding of the card into the cylinder becomes easy, and the processability may be significantly deteriorated. As a result, unevenness of the fabric background of the nonwoven fabric is liable to occur. When the fineness of the single fiber is more than 5 dtex, the nonwoven fabric tends to have a tough feeling when used for an adult, resulting in an undesirable tendency in use. Further, since the staple fibers are thickened, the voids between the fibers become excessively large, and the liquid-tightness tends to remarkably decrease.

셀룰로오스계 섬유의 섬유길이는 폴리에스테르계 섬유 등의 다른 구성 섬유와의 교락성이 높고, 액체의 흡수성, 보액성 및 방출성을 유지하고, 또 촉감 등이 균일한 부직포를 생산성 좋게 얻는다고 하는 관점으로부터는 30∼80mm인 것이 바람직하다. 섬유길이는 더욱 바람직하게는 35∼64mm이다. 셀룰로오스계 섬유의 시판품으로서는 일본의 다이와보우 레이온사제의 레이온 등을 들 수 있다.From the viewpoint that the fiber length of the cellulose-based fiber is high in intermixing with other constituent fibers such as polyester fibers and maintains the absorbency, liquid-repellency and releasability of the liquid, and the nonwoven fabric having uniform feel and the like is obtained with good productivity Is preferably 30 to 80 mm. The fiber length is more preferably 35 to 64 mm. Examples of commercially available products of cellulose-based fibers include rayon made by Daiwa Baurai Co., Ltd. of Japan.

본 발명의 부직포에 있어서, 상기의 셀룰로오스계 섬유의 함유율은 20∼80질량%이다. 셀룰로오스계 섬유의 혼합률(함유율)이 20질량%보다 적어지면 액체를 함침시키는 흡수성이 약해지므로 부직포내에 수분을 머무르게 해 두는 힘이 약해져서 사용시에 부직포로부터 액체가 불필요하게 흘러내려버린다. 또한 본 발명의 부직포에 있어서, 셀룰로오스계 섬유 특유의 유연함도 손상되므로 사용시의 촉감이 나빠진다. 또한 셀룰로오스계 섬유의 혼합율이 80질량%를 초과하면 함침한 액체를 섬유내에 유지해버려 필요할 때에 충분한 양의 액체를 빨리 방출할 수 없다. 또한 부직포의 벌키성이 손상되므로 액의 보액량이 적어지고, 볼륨이 있는 손으로 잡은 느낌도 손상된다. 셀룰로오스계 섬유의 바람직한 함유율은 40∼60질량%이다. In the nonwoven fabric of the present invention, the content of the above-mentioned cellulose fibers is from 20 to 80 mass%. When the blending ratio (content ratio) of the cellulose-based fibers is less than 20 mass%, the absorbency for impregnating the liquid becomes weak, so that the force for keeping moisture in the nonwoven fabric weakens and the liquid unnecessarily flows down from the nonwoven fabric during use. In addition, in the nonwoven fabric of the present invention, the softness inherent to the cellulose-based fibers is also impaired, so that the feel at the time of use deteriorates. When the mixing ratio of the cellulose-based fibers exceeds 80 mass%, the impregnated liquid is retained in the fibers and a sufficient amount of liquid can not be released quickly when necessary. In addition, since the nonwoven fabric is damaged, the amount of the liquid is reduced, and the feeling of being held by the voluminous hand is also impaired. The preferable content of the cellulose-based fibers is 40 to 60% by mass.

본 발명에서 사용되는 폴리에스테르계 섬유를 구성하는 폴리에스테르는 테레프탈산과 에틸렌글리콜 또는 부틸렌글리콜의 축합반응에 의해 생성되는 고분자 중합체, 및 세바신산, 아디프산, 트리메리트산, 이소프탈산 및 파라옥시안식향산 등과 에틸렌글리콜이나 부틸렌글리콜의 축합체, 및 다른 폴리에스테르류를 포함하는 폴리에스테르 중합체 등을 의미한다.The polyester constituting the polyester fiber used in the present invention is preferably a polyester polymer produced by a condensation reaction of terephthalic acid with ethylene glycol or butylene glycol and a polymer produced by condensation reaction of sebacic acid, adipic acid, trimellitic acid, isophthalic acid and paraoxy Benzoic acid and the like, a condensate of ethylene glycol or butylene glycol, and a polyester polymer containing other polyesters.

본 발명에서 사용되는 편평 다엽 단면 폴리에스테르계 섬유는 횡단면형상이 6개이상의 볼록부를 갖는 편평형상의 섬유이다.The flat multi-branched cross-section polyester fiber used in the present invention is a flat-shaped fiber having a cross-sectional shape of six or more convex portions.

본 발명에서 사용되는 편평 다엽 단면 폴리에스테르계 섬유는 그 횡단면형상이 6개이상의 볼록부를 갖는 편평형상의 폴리에스테르계 섬유이다. 횡단면형상의 원주상으로 존재하는 볼록부가 6개미만에서는 인접하는 섬유간에서 형성하는 공극이 적어지고, 흡수성이나 보액량이 부족해진다. 또한 횡단면형상이 편평형상인 것에 의해 섬유간에 공극을 형성하는 것이 가능해지고, 우수한 벌키성을 얻을 수 있다. 또한, 부직포를 구성하는 단섬유당 모쓰러짐성이 좋아지는 점에서 소프트한 감촉을 얻을 수 있다.The flat multi-branched cross-section polyester fiber used in the present invention is a flat polyester fiber having a cross-sectional shape of six or more convex portions. The number of convex portions existing in a circumferential cross-sectional shape in only six pieces decreases the voids formed between adjacent fibers, resulting in insufficient absorptivity and an amount of absorbed liquid. Further, since the cross-sectional shape is a flat shape, it is possible to form voids between the fibers, and excellent bulky property can be obtained. In addition, a soft texture can be obtained because the twill yarn constituting the nonwoven fabric is improved in the twist resistance.

도 1에 본 발명에서 사용되는 편평 다엽 단면 폴리에스테르 섬유의 단섬유 횡단면형상의 일례를 나타낸다. 도 1에서는 섬유 단면의 원주 상에 복수(8개)의 볼록부를 갖는 본 발명의 부직포가 구비하는 다엽 편평 단면 폴리에스테르 섬유의 횡단면형상이 예시되어 있다.Fig. 1 shows an example of a short fiber cross-sectional shape of a flat multi-leaf cross-section polyester fiber used in the present invention. In Fig. 1, the cross-sectional shape of the multi-lobular flat cross-section polyester fiber of the nonwoven fabric of the present invention having a plurality of (eight) convex portions on the circumference of the fiber cross section is illustrated.

본 발명에서는 그 횡단면형상에 있어서, 6개이상의 볼록부를 갖는 편평형상의 폴리에스테르계 섬유가 사용되지만, 바람직하게는 8개이상이며, 보다 바람직하게는 10개이상이다. 또한 볼록부수의 상한값은 바람직하게는 12개이다. 또한 볼록부의 형상은 촉감성의 관점으로부터 만곡된 형상인 것이 바람직하다.In the present invention, flat-shaped polyester fibers having six or more projections are used in the cross-sectional shape, but preferably eight or more, and more preferably ten or more. The upper limit of the number of convex portions is preferably 12 pieces. The shape of the convex portion is preferably curved in terms of tactility.

본 발명에서 사용되는 편평 다엽 단면 폴리에스테르계 섬유는 그 단섬유 횡단면에 있어서의 편평 다엽 단면형상이 하기 식(1)의 편평도와 하기 식(2)의 이형도를 동시에 만족하는 폴리에스테르계 섬유로 이루어지는 것이다.The flat multi-blade cross-section polyester fiber used in the present invention is a single-fiber cross-sectional polyester fiber having a flat cross-sectional shape in a cross section of a single fiber, which is composed of a polyester fiber satisfying the flatness of the following formula (1) will be.

·편평도(A/B)=2.0∼3.0···(1)Flatness (A / B) = 2.0 to 3.0 (1)

·이형도(C/D)=1.0∼5.0···(2)(C / D) = 1.0 to 5.0 (2)

여기에서, 상기 A는 상기 편평 다엽형의 횡단면의 최장의 선분의 길이이다. 상기 B는 선분의 길이(A)에 수직으로 교차하는 볼록부의 정점 사이를 연결하는 최대 폭의 선분의 길이를 말한다. 상기 C는 상기 편평 다엽형이 이루는 가장 큰 요철이며, 인접하는 볼록부의 정점 사이를 연결하는 선분의 길이를 말한다. 그리고, 상기 D는 상기 볼록부 사이를 연결하는 선으로부터 오목부의 저점에 내린 수선의 길이를 말한다.Here, A is the length of the longest line segment of the flat, multi-leaf type cross section. And B is the length of the line segment having the maximum width connecting the apexes of the convex portions perpendicularly intersecting the length A of the line segment. C is the largest concavity and convexity of the flat multi-leaf type, and refers to the length of a line segment connecting the vertexes of adjacent convex portions. And D is the length of the waterline falling from the line connecting the convex portions to the bottom of the concave portion.

즉, 본 발명의 부직포의 바람직한 형태에 의하면, 상기 혼면 사용되는 편평 다엽 단면 폴리에스테르계 섬유는 횡단면의 최대 길이를 A, 최대 폭을 B, 최대 요철부에 있어서 인접하는 볼록부의 정점 사이를 연결하는 선의 길이를 C, 그리고, 상기 볼록부의 정점 사이를 연결하는 선으로부터 오목부의 저점에 내린 수선의 길이를 D로 할 때, 상기 식(1)의 편평도와 하기 식(2)의 이형도를 동시에 만족하는 폴리에스테르계 섬유로 이루어지는 것이다.That is, according to a preferred form of the nonwoven fabric of the present invention, the flat multi-leaf cross-section polyester fibers to be used in the present invention have a maximum cross-sectional length A, a maximum width B and a maximum concavo- The flatness of the formula (1) and the variational diagram of the following formula (2) are satisfied simultaneously when the length of the line is C and the length of the water line drawn from the line connecting the vertices of the convex part to the bottom of the concave part is D And polyester fibers.

본 발명에 있어서, 상기 편평도(A/B)가 2.0미만에서는 섬유의 모쓰러짐성이 나빠져 소프트한 촉감이 얻어지지 않게 된다. 한편, 편평도(A/B)가 3.0을 초과하면 탄력감이 작고, 주저앉기 쉬워진다. 또한 제사성의 악화나 이형도가 악화되는 경향이 있다. 편평도(A/B)는 바람직하게는 2.0∼2.7이며, 더욱 바람직하게는 2.0∼2.5이다.In the present invention, when the flatness (A / B) is less than 2.0, the woolenness of the fibers is deteriorated and a soft touch is not obtained. On the other hand, when the flatness (A / B) exceeds 3.0, the feeling of elasticity is small and it is easy to sit down. Also, the deterioration of the priesthood and the tendency to deteriorate. The flatness (A / B) is preferably 2.0 to 2.7, more preferably 2.0 to 2.5.

또한 이형도(C/D)는 상기 편평 다엽형에 있어서 볼록부와 볼록부 사이에 있는 오목부의 크기를 나타내고 있고, 그 값이 크면 오목부가 작고, 그 값이 작으면 오목부는 큰 것을 의미하고 있다. 이형도(C/D)가 커지면 오목부는 얕고, 섬유간에서 형성하는 공극도 작아지므로 흡보수성이 저하되고, 또한 오물의 긁힘성도 저하되는 경향이 있다. 따라서, 이형도(C/D)는 5.0이하이다. 한편, 이형도(C/D)가 너무 작으면 섬유 단면의 오목부가 접혀 구부러지기 쉬워져 편평형상을 유지할 수 없게 되는 경향이 있다. 또한, 찰과에 의해 섬유손상을 받기 쉬워지므로 피부와 마찰했을 경우에 피부가 손상될 우려가 있다. 이러한 점에서 이형도(C/D)는 1.0이상이다. 이형도(C/D)는 전술의 점으로부터 1.0∼5.0의 범위이다. 또한 이형도(C/D)는 흡보수성과 닦임성의 점으로부터 2.0∼4.0이 보다 바람직한 형태이다.Further, the mold release profile (C / D) indicates the size of the concave portion between the convex portion and the convex portion in the flat multi-leaf type. When the value is large, the concave portion is small and when the value is small, the concave portion is large. When the distribution curve (C / D) is large, the concave portion is shallow and the air gap formed between the fibers is also small, so that the watertightness is deteriorated and the scratching property of the dirt is also lowered. Therefore, the separation degree (C / D) is 5.0 or less. On the other hand, if the separation degree (C / D) is too small, the concave portion of the fiber cross-section tends to bend and tends to bend, making it impossible to maintain a flat shape. In addition, since the fiber is easily damaged by scratching, the skin may be damaged if it is rubbed against the skin. In this respect, the separation ratio (C / D) is 1.0 or more. The distribution (C / D) is in the range of 1.0 to 5.0 from the above point. In addition, the mold releasability (C / D) is more preferably in the range of 2.0 to 4.0 in view of the water-holding property and the scrub resistance.

본 발명에서 사용되는 편평 다엽 단면 폴리에스테르계 섬유의 부직포에 있어서의 함유율은 20∼80질량%이다. 편평 다엽 단면 폴리에스테르계 섬유의 혼합율(함유율)이 20질량%미만이 되면 부직포의 부피가 없어져 보액성이 나빠짐과 아울러 부직포의 감촉도 단단해지므로 촉감이 나빠진다. 또한 편평 다엽 단면 폴리에스테르계 섬유의 혼합율(함유율)이 80중량%를 초과하면 부직포의 벌키성은 좋아지지만, 섬유간의 공극이 지나치게 커지므로 사용시에 부직포로부터 액체가 흘러내려버린다고 하는 과제가 있다. 편평 다엽 단면 폴리에스테르계 섬유의 부직포에 있어서의 함유율은 바람직하게는 40∼60질량%이다.The content of the flat multi-branched cross-section polyester fibers used in the present invention in the nonwoven fabric is from 20 to 80 mass%. When the blending ratio (content ratio) of the flat multi-leaf cross-section polyester fibers is less than 20 mass%, the bulkiness of the nonwoven fabric is lost and the liquid repellency is deteriorated, and the feeling of the nonwoven fabric is also hardened. When the mixing ratio (content ratio) of the flat multi-leaf cross-section polyester fibers exceeds 80% by weight, the bulkiness of the nonwoven fabric is improved, but the gap between the fibers becomes too large, so that there is a problem that the liquid flows down from the nonwoven fabric at the time of use. The content of the flat multi-branched cross-section polyester fibers in the nonwoven fabric is preferably 40 to 60 mass%.

본 발명에서 사용되는 편평 다엽 단면 폴리에스테르계 섬유는 횡단면의 최대 길이(A)를 대칭축으로 하고, 대향하는 양 볼록부 정점간 선분 중 횡단면 최대 폭(B)을 제외하고 최장이 되는 길이를 E로 할 때, 하기 식(3)으로 정의되는 볼록부비를 만족하는 폴리에스테르계 섬유로 이루어지는 것이다.The flat multi-leaf cross-section polyester fibers used in the present invention have the maximum length A of the transverse section as the axis of symmetry and the longest length excluding the transverse section maximum width B among the opposite convex vertex line segments as E Based fiber satisfying the convex portion ratio defined by the following formula (3).

·볼록부비(E/B)=0.6∼0.9···(3)Convex portion ratio (E / B) = 0.6 to 0.9 (3)

볼록부비(E/B)는 최대 폭(B 및 E), 최대 길이(A)의 각 볼록부 정점을 연결하는 선을 그렸을 때에 얻어지는 대략 타원형상의 변형 정도를 계측하는 지표로서의 의미를 가진다. 볼록부비가 너무 작은 경우, 오목부 깊이가 감소함과 아울러 그 횡단면형상은 끝없이 편평 십자형에 근사한 형상이 된다. 그 때문에 섬유간의 공벽율이 저하되어 흡보수성이 저하된다. 또한 피부에 접촉했을 때, 편평 십자형상에 가까워지므로 접촉하는 볼록부수가 감소되어 촉감과 소프트성도 저하된다. 따라서, 볼록부비는 0.6이상인 것이 바람직하다.The convex portion E / B has a meaning as an index for measuring a degree of deformation of a substantially elliptical shape obtained when a line connecting the convex vertexes of the maximum widths B and E and the maximum length A is drawn. When the convex portion ratio is too small, the depth of the concave portion is reduced, and the cross-sectional shape thereof is endlessly shaped like a flat crisscross. As a result, the pore wall ratio between the fibers is lowered and the water retentivity deteriorates. Also, when it comes into contact with the skin, it becomes close to a flat cross shape, so that the number of convex portions to be contacted is reduced, and the soft feeling and the soft feeling are lowered. Therefore, the convex portion ratio is preferably 0.6 or more.

한편, 볼록부비가 너무 큰 경우, 섬유끼리의 요철이 끼워맞췄을 때에 오목부가 완전하게 폐색되는 부분이 많아짐으로써 공극률이 저하되어 버려 흡보수성이 저하된다. 또한 피부에 접촉했을 때, 그 형상은 편평 육각형에 가까운 형상이 됨으로써 접촉하는 볼록부수가 감소되어 촉감·소프트성이 저하된다. 이러한 점에서 볼록부비(E/B)는 0.9이하인 것이 바람직하다. 볼록부비(E/B)는 전술의 점에서 0.6∼0.9인 것이 바람직하다. 또한, 볼록부비(E/B)는 그 밸런스의 관점으로부터 바람직하게는 0.6∼0.8이며, 보다 바람직하게는 0.7∼0.8이다.On the other hand, when the convex portion ratio is too large, the porosity is lowered due to an increase in the number of portions in which the concave portions are completely closed when the irregularities of the fibers are fitted, thereby deteriorating the water retentivity. Further, when the skin is brought into contact with the skin, the shape of the skin becomes close to a flat hexagonal shape, so that the number of convex hairs to be contacted is reduced, and the skin softness deteriorates. In this respect, the convex portion ratio (E / B) is preferably 0.9 or less. The convex portion ratio (E / B) is preferably 0.6 to 0.9 in the above-mentioned point. The convex portion ratio (E / B) is preferably 0.6 to 0.8, more preferably 0.7 to 0.8, from the viewpoint of balance.

본 발명에서 사용되는 편평 다엽 단면 폴리에스테르 섬유의 단섬유 섬도는 2.0dtex이하인 것이 바람직하다. 단섬유 섬도는 보다 바람직하게는 1.0∼2.0dtex이며, 더욱 바람직하게는 1.2∼1.8dtex이다. 단섬유 섬도가 2dtex를 초과하면 폴리에스테르 섬유 특유의 강성이 강해지므로 촉감의 자극도 강해지고, 소프트 감촉도 손상되는 일이 있다. 또한 섬유 사이에서 형성하는 공극이 지나치게 커지므로 보액량은 높아지지만 보액성이 나빠져 사용시에 부직포로부터 액체가 흘러내리는 경향이 있다. 또한 단섬유 섬도가 1.0dtex보다 가늘어지면 카드 공정에서의 공정 통과성이 나빠져 생산성이 저하되는 경향이 있다.The single fiber fineness of the flat multi-branched cross-section polyester fiber used in the present invention is preferably 2.0 dtex or less. The single fiber fineness is more preferably 1.0 to 2.0 dtex, and still more preferably 1.2 to 1.8 dtex. If the monofilament fineness is more than 2 dtex, the stiffness of the polyester fiber becomes strong, so that the stimulation of the feel is also strong, and the soft touch may be impaired. Further, since the pores formed between the fibers become too large, the amount of the liquid is increased, but the liquid-repellency is deteriorated and the liquid tends to flow down from the nonwoven fabric during use. In addition, if the monofilament fineness is smaller than 1.0 dtex, the processability in the card process is deteriorated and the productivity tends to be lowered.

또한 편평 다엽 단면 폴리에스테르 섬유의 섬유길이는 부직포의 섬유 빠짐의 관점으로부터 30∼64mm인 것이 바람직하다. 섬유길이는 더욱 바람직하게는 35∼51mm이다.It is also preferable that the fiber length of the flat multi-leaf cross-section polyester fiber is 30 to 64 mm from the viewpoint of fiber dropout of the nonwoven fabric. The fiber length is more preferably 35 to 51 mm.

또한 본 발명의 부직포는 별도의 섬유로서 열융착 섬유를 함유하고 있어도 좋다. 부직포에 열융착 섬유를 함유시킴으로써, 열융착 섬유의 열융착에 의해 청소작업에 사용하는 경우의 중요한 기능의 하나인 형태 안정성을 향상시킬 수 있다. 열융착 섬유는 단일성분으로 이루어지는 열융착 섬유를 사용해도 좋지만, 열처리에 의해 융착되지 않는 부분도 포함하는 2종류이상의 수지성분으로 이루어지는 사이드바이사이드형이나 심초형 등의 복합형 열성 융착 섬유를 사용하면 융착되지 않는 부분에 의해 섬유강도가 유지되므로 보다 바람직한 형태이다.The nonwoven fabric of the present invention may contain thermally fusible fibers as separate fibers. When the nonwoven fabric contains the thermally fusible fiber, it is possible to improve the morphological stability, which is one of the important functions when the thermally fusible fiber is used in the cleaning operation by heat fusion. The thermally fusible fiber may be a thermally fusible fiber composed of a single component. However, if a composite thermally fusible fiber such as a side-by-side type or a core-sheath type composed of two or more types of resin components including a portion that is not fused by heat treatment is used It is a more preferable form because the fiber strength is maintained by the unfused portion.

열융착 섬유를 구성하는 성분으로서는 6나일론과 폴리에틸렌, 폴리프로필렌과 폴리에틸렌, 폴리프로필렌과 에틸렌-아세트산 비닐계 공중합체, 폴리에스테르와 폴리프로필렌, 폴리에스테르와 폴리에틸렌, 6나일론과 66나일론, 및 고밀도 폴리에스테르와 저밀도 폴리에스테르 등의 조합을 예시할 수 있다. 열융착 섬유의 바람직한 혼률은 부직포 질량에 대하여 5∼20질량%이다.As the constituent components of the heat-sealable fiber, 6 nylon and polyethylene, polypropylene and polyethylene, polypropylene and ethylene-vinyl acetate copolymer, polyester and polypropylene, polyester and polyethylene, 6 nylon and 66 nylon, and high density polyester And a combination of low density polyester and the like. The preferable mixing ratio of the heat-sealable fiber is 5 to 20 mass% with respect to the mass of the nonwoven fabric.

다음에 본 발명의 부직포의 제조 방법에 관하여 설명한다.Next, a method for producing the nonwoven fabric of the present invention will be described.

상기한 편평 다엽 단면 폴리에스테르계 섬유와 셀룰로오스계 섬유를 카드로 섬유웹화한다. 편평 다엽 단면 폴리에스테르계 섬유와 셀룰로오스계 섬유의 혼합율(질량비)은 전술한 바와 같이, 편평 다엽 단면 폴리에스테르계 섬유/셀룰로오스계 섬유=20/80∼80/20이며, 바람직하게는 편평 다엽 단면 폴리에스테르계 섬유/셀룰로오스계 섬유=30/70∼70/30이다.The flat multi-leaf cross-section polyester fibers and the cellulose-based fibers described above are carded into a fiber web. As described above, the mixing ratio (mass ratio) of the flat multi-leaf cross-section polyester fiber to the cellulose-based fiber is preferably from 20/80 to 80/20, Ester fiber / cellulose fiber = 30 / 70-70 / 30.

카드로 형성된 섬유웹은 다음에 피드 래티스에 의해 스판 레이스 공정으로 보내져서 고압 수류 교락 처리되어서 시트상으로 가공된다. 스판 레이스 가공후의 부직포는 컨베이어로 건조 공정에 보내지고, 상기 열처리 섬유를 사용하고 있는 경우에는 열접착 섬유만 용융되는 온도에서 건조와 동시에 열처리가 실시된다.The fibrous web formed by the card is then sent to the span lace process by the feed lattice and subjected to high pressure water entanglement processing and processed into a sheet. The spunlaced nonwoven fabric is conveyed to a drying process. When the heat-treated fibers are used, the nonwoven fabric is dried and simultaneously heat-treated at a temperature at which only the heat-bonding fibers are melted.

이렇게 하여 제조되어 얻어진 부직포는 우수한 흡보수성과 소프트한 감촉을 가지므로 본 발명의 목적으로 하는 대인을 위한 청소용이나 미용용의 부직포로서 최적이다.Since the nonwoven fabric thus produced has excellent water-holding property and soft feel, it is most suitable for cleaning and cosmetic nonwoven fabrics for the purpose of the present invention.

즉, 이렇게 제조된 부직포로부터 얻어지는 시트는 우수한 흡수성을 가짐과 아울러 물이나 약액 등의 보액성이 높고, 또한 우수한 벌키성, 유연성 및 촉감이 얻어지는 점에서 피부를 미용용 또는 청소용으로 사용하는 부직포로서 최적이다. 미용용으로 사용할 경우에 있어서는 미용액의 보액성이 높고, 필요에 따라 방출할 수 있는 성능을 가질 수 있다. 청소용에 있어서는 피부를 손상시키지 않고 높은 닦임성을 갖고, 닦아낸 오물은 섬유 표면의 오목부에 걸리므로 부직포내에 오물을 유지하고, 재오염을 방지하는 것이 가능한 부직포이며, 높은 청소효과를 발휘한다.That is, the sheet obtained from the thus-produced nonwoven fabric has excellent absorbency, high water retention property such as water and a chemical solution, excellent flexibility, flexibility and feel, and is suitable as a nonwoven fabric for use in cosmetics or cleaning to be. When used for cosmetic use, the liquid has high liquid retentivity and can be discharged as needed. In cleaning, the nonwoven fabric has high scrubbing property without damaging the skin, and the wasted wastes are caught by the concave portion of the fiber surface, so that the nonwoven fabric is capable of retaining dirt in the nonwoven fabric and preventing re-contamination.

최종 용도의 구체예로서는 아기의 엉덩이 물티슈, 물티슈, 클린싱 시트 및 페이셜 시트 등을 들 수 있다. Specific examples of the end use include a baby's buttocks wet tissue, a wet tissue, a cleansing sheet and a facial sheet.

실시예Example

다음에 실시예에 의해 본 발명의 부직포를 상세하게 설명하지만, 본 발명은 실시예에만 한정되는 것은 아니다. 실시예중에 있어서의 각 물성값은 다음 방법에 의해 측정한 것이며, 측정 횟수 3회에 관한 평균값을 취한 것이다.Next, the nonwoven fabric of the present invention will be described in detail by way of examples, but the present invention is not limited to the examples. Each physical property value in the examples was measured by the following method, and the average value of the number of times of measurement was taken three times.

<부직포 두께의 시험 방법><Test Method of Nonwoven Fabric Thickness>

단위중량 50g/㎡의 부직포를 5매 겹친 두께를 노니우스로 측정한다. Five nonwoven fabrics each having a unit weight of 50 g / m &lt; 2 &gt;

[보액율의 시험 방법][Test method of liquid permeability]

JIS L 1907 7.2(2010년판)의 흡수율에 준해서 측정한다. 단위중량 50g/㎡의 부직포로부터 시험편 10cm×10cm로 잘라내어 질량(A)을 측정한다. 그 시험편을 이온 교환수 내에 30초간 담그었다. 그 후에 시험편의 일각을 핀셋으로 집어서 액으로부터 꺼내고, 1분후의 질량(B)을 측정한다. Measured according to the absorption rate of JIS L 1907 7.2 (2010 edition). The test piece was cut out from a nonwoven fabric having a unit weight of 50 g / m 2 to a size of 10 cm x 10 cm, and the mass (A) was measured. The test piece was immersed in ion-exchanged water for 30 seconds. Then, the tip of the test piece is picked up with a tweezers, and the mass (B) is measured after 1 minute.

보액율(C)은 하기 식으로 산출된다.The liquid-deficient ratio (C) is calculated by the following equation.

·보액율 C(%)=(B-A)/A×100.· Liquid water content C (%) = (B-A) / A × 100.

<잔존율(보액성)의 시험 방법>&Lt; Test method of residual ratio (liquid retentivity) >

JIS L 1907 7.2(2010년판)의 흡수율에 준해서 측정한다. 단위중량 50g/㎡의 부직포로부터 시험편 10cm×10cm로 잘라내어 질량(A)을 측정한다. 그 시험편을 이온 교환수 내에 30초간 담그었다. 그 후에 시험편의 일각을 핀셋으로 집어서 액으로부터 꺼내고, 5분후의 질량(D)을 측정한다. Measured according to the absorption rate of JIS L 1907 7.2 (2010 edition). The test piece was cut out from a nonwoven fabric having a unit weight of 50 g / m 2 to a size of 10 cm x 10 cm, and the mass (A) was measured. The test piece was immersed in ion-exchanged water for 30 seconds. Thereafter, the tip of the test piece is picked up with a tweezers and taken out of the liquid, and the mass (D) after 5 minutes is measured.

잔존율(E)은 하기 식으로 산출된다.The residual ratio E is calculated by the following equation.

·E(%)=(D-A)/A×100.· E (%) = (D-A) / A × 100.

<닦임성><Sharpness>

단위중량 50g/㎡의 부직포로부터 시험편 10cm×10cm로 잘라내어 4번 접어서 사용한다. 시험편에 질량의 3배의 물을 함침시킨다. 5명의 피험자의 팔에 립스틱을 도포하고, 닦아냄으로써 성능을 비교했다. 평가 내용은 다음과 같으며, ○을 합격으로 했다.A test piece of 10 cm × 10 cm was cut out from a nonwoven fabric having a unit weight of 50 g / m 2 and folded four times. The test piece is impregnated with 3 times the mass of water. Lipstick was applied to the arms of five subjects and the performance was compared by wiping. The contents of the evaluation are as follows.

○:닦임성 양호○: Good cleanability

△:약간 립스틱이 남는다△: A little lipstick remains

×:거의 립스틱이 닦아지지 않는다.X: Almost no lipstick is wiped.

<촉감><Tactile>

단위중량 50g/㎡의 부직포로부터 시험편 10cm×10cm로 잘라내어 4번 접어서 사용한다. 시험편에 질량의 3배의 물을 함침시킨다. 5명의 피험자의 팔을 닦게 하고, 다음 기준에 따라서 촉감 평가하고, ○을 합격으로 했다.A test piece of 10 cm × 10 cm was cut out from a nonwoven fabric having a unit weight of 50 g / m 2 and folded four times. The test piece is impregnated with 3 times the mass of water. The subjects were allowed to wipe the arms of five subjects, and tactile evaluation was performed according to the following criteria.

○:촉감이 좋다○: Good touch

△:닦은 후의 피부가 약간 위화감 있음△: The skin slightly worn after wiping

×:닦은 후의 피부가 따끔따끔하다.X: The skin after washing is prickly.

<손으로 잡은 느낌(감촉)><Feeling caught by hand (texture)>

단위중량 50g/㎡의 부직포로부터 시험편 10cm×10cm로 잘라내어 4번 접어서 사용한다. 시험편에 질량의 3배의 물을 함침시킨다. 5명의 피험자에게 시험편을 잡게 하고, 다음 기준에 따라서 촉감 평가하고, ○을 합격으로 했다.A test piece of 10 cm × 10 cm was cut out from a nonwoven fabric having a unit weight of 50 g / m 2 and folded four times. The test piece is impregnated with 3 times the mass of water. Five subjects were allowed to take test specimens, and tactile evaluation was carried out according to the following criteria.

○:감촉이 부드럽다○: The texture is soft

△:감촉이 약간 단단하다?: The texture is slightly hard.

×:감촉이 단단하다.X: The texture is hard.

[실시예 1][Example 1]

편평도가 2.1, 이형도가 2.7, 볼록부비가 0.8이며 횡단면형상이 8개의 볼록부를 갖는 편평 다엽 단면 폴리에스테르 섬유(단섬유 섬도:1.7dtex, 섬유길이:51mm) 20질량%와 레이온 섬유(단섬유 섬도:1.7dtex, 섬유길이:51mm) 80질량%를 균일하게 혼면한 후, 단위중량이 60g/㎠인 카드 섬유웹을 상법에 의해 제작하고, 워터젯의 수압이 50kg/㎠, 속도가 1m/분, 노즐형상:0.1mmφ, 0.6mm피치, 834홀, 500mm폭으로 양면가공에 의해 시트를 제작한 후, 또한 120℃의 온도에서 건조하고, 단위중량이 50g/㎡인 부직포를 얻었다. 부직포의 섬유구성을 표 1에, 평가 결과를 표 2에 나타낸다.20% by mass of flat multifilament cross-section polyester fibers (flat fiber fineness: 1.7 dtex, fiber length: 51 mm) having a flatness of 2.1, a unevenness of 2.7, a convexity ratio of 0.8 and eight cross- : 1.7 dtex, fiber length: 51 mm), and then a card fiber web having a unit weight of 60 g / cm 2 was produced by a conventional method. The water jet pressure of the water jet was 50 kg / cm 2, the speed was 1 m / Nozzle shape: A sheet was produced by double-side processing at 0.1 mm ?, 0.6 mm pitch, 834 hole and 500 mm width, and then dried at a temperature of 120 占 폚 to obtain a nonwoven fabric having a unit weight of 50 g / m2. The fiber constructions of the nonwoven fabric are shown in Table 1, and the evaluation results are shown in Table 2.

[실시예 2][Example 2]

편평도가 2.1, 이형도가 2.7, 볼록부비가 0.8이며 횡단면형상이 8개의 볼록부를 갖는 편평 다엽 단면 폴리에스테르계 섬유(단섬유 섬도 1.7dtex, 섬유길이 51mm) 50질량%와 레이온 섬유(단섬유 섬도 1.7dtex, 섬유길이 51mm) 50질량%를 균일하게 혼면한 후, 단위중량이 60g/㎠인 카드 섬유웹을 상법에 의해 제작하고, 워터젯의 수압이 50kg/㎠, 속도가 1m/분, 노즐형상:0.1mmφ, 0.6mm피치, 834홀, 500mm폭으로 양면가공에 의해 시트를 제작한 후, 또한 120℃의 온도에서 건조하고, 단위중량이 50g/㎡인 부직포를 얻었다. 부직포의 섬유구성을 표 1에, 평가 결과를 표 2에 나타낸다.50% by mass of a flat multifilament cross-section polyester fiber (flat fiber fineness of 1.7 dtex, fiber length of 51 mm) having a flatness of 2.1, a deviation of 2.7, a convexity ratio of 0.8 and a cross-sectional shape of 8 convex portions, and rayon fiber dtex, and fiber length of 51 mm) were homogeneously mixed to prepare a card fiber web having a unit weight of 60 g / cm &lt; 2 &gt; by a conventional method. The water pressure of the water jet was 50 kg / cm 2, the speed was 1 m / A sheet was produced by double-side processing at 0.1 mmφ, 0.6 mm pitch, 834 hole and 500 mm width, and then dried at a temperature of 120 ° C. to obtain a nonwoven fabric having a unit weight of 50 g / m 2. The fiber constructions of the nonwoven fabric are shown in Table 1, and the evaluation results are shown in Table 2.

[실시예 3][Example 3]

편평도가 2.1, 이형도가 2.7, 볼록부비가 0.8이며 횡단면형상이 8개의 볼록부를 갖는 편평 다엽 단면 폴리에스테르 섬유(단섬유 섬도:1.7dtex, 섬유길이:51mm) 80질량%와 레이온 섬유(단섬유 섬도:1.7dtex, 섬유길이:51mm) 20질량%를 균일하게 혼면한 후, 단위중량 60g/㎠의 카드 섬유웹을 상법에 의해 제작하고, 워터젯의 수압 50kg/㎠, 속도 1m/분, 노즐형상:0.1mmφ, 0.6mm피치, 834홀, 500mm폭으로 양면가공에 의해 시트를 제작한 후, 또한 120℃의 온도에서 건조하고, 단위중량 50g/㎡의 부직포를 얻었다. 부직포의 섬유구성을 표 1에, 평가 결과를 표 2에 나타낸다.80% by mass of a flat multifilament cross-section polyester fiber (flat fiber fineness: 1.7 dtex, fiber length: 51 mm) having a flatness of 2.1, a unevenness of 2.7, a convexity ratio of 0.8 and eight cross- : 1.7 dtex, fiber length: 51 mm) was mixed uniformly. Thereafter, a card fiber web having a unit weight of 60 g / cm 2 was produced by a conventional method. Waterjet pressure: 50 kg / cm 2, A sheet was produced by double-side processing at 0.1 mm ?, 0.6 mm pitch, 834 hole, and 500 mm width, and then dried at a temperature of 120 占 폚 to obtain a nonwoven fabric having a unit weight of 50 g / m2. The fiber constructions of the nonwoven fabric are shown in Table 1, and the evaluation results are shown in Table 2.

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[비교예 1][Comparative Example 1]

편평도가 2.1, 이형도가 2.7, 볼록부비가 0.8이며 횡단면형상이 8개의 볼록부를 갖는 편평 다엽 단면 폴리에스테르 섬유(단섬유 섬도:1.7dtex, 섬유길이:51mm) 15질량%와 레이온 섬유(단섬유 섬도:1.7dtex, 섬유길이:51mm) 85질량%를 균일하게 혼면한 후, 단위중량이 60g/㎠인 카드 섬유웹을 상법에 의해 제작하고, 워터젯의 수압이 50kg/㎠, 속도가 1m/분, 노즐형상:0.1mmφ, 0.6mm피치, 834홀, 500mm폭으로 양면가공에 의해 시트를 제작한 후, 또한 120℃의 온도에서 건조하고, 단위중량이 50g/㎡인 부직포를 얻었다. 부직포의 섬유구성을 표 3에, 평가 결과를 표 4에 나타낸다.(Monofilament fineness: 1.7 dtex, fiber length: 51 mm) having a flatness of 2.1, a unevenness of 2.7, a convexity ratio of 0.8 and a cross-sectional shape of 8 convex portions and a rayon fiber : 1.7 dtex, fiber length: 51 mm) was uniformly kneaded, and then a carded fibrous web having a unit weight of 60 g / cm 2 was produced by a conventional method. The water pressure of the water jet was 50 kg / cm 2, the speed was 1 m / Nozzle shape: A sheet was produced by double-side processing at 0.1 mm ?, 0.6 mm pitch, 834 hole and 500 mm width, and then dried at a temperature of 120 占 폚 to obtain a nonwoven fabric having a unit weight of 50 g / m2. The fiber constitution of the nonwoven fabric is shown in Table 3, and the evaluation results are shown in Table 4.

[비교예 2][Comparative Example 2]

편평도가 2.1, 이형도가 2.7, 볼록부비가 0.8이며 횡단면형상이 8개의 볼록부를 갖는 편평 다엽 단면 폴리에스테르 섬유(단섬유 섬도:1.7dtex, 섬유길이:51mm) 85질량%와 레이온 섬유(단섬유 섬도:1.7dtex, 섬유길이:51mm) 15질량%를 균일하게 혼면한 후, 단위중량이 60g/㎠인 카드 섬유웹을 상법에 의해 제작하고, 워터젯의 수압이 50kg/㎠, 속도 1m/분, 노즐형상:0.1mmφ, 0.6mm피치, 834홀, 500mm폭으로 양면가공에 의해 시트를 제작한 후, 또한 120℃의 온도에서 건조하고, 단위중량이 50g/㎡인 부직포를 얻었다. 부직포의 섬유구성을 표 3에, 평가 결과를 표 4에 나타낸다.85% by mass of a flat multifilament cross-section polyester fiber (flat fiber fineness: 1.7 dtex, fiber length: 51 mm) having a flatness of 2.1, a unevenness of 2.7, a convexity ratio of 0.8 and a cross-sectional shape of 8 convex portions and a rayon fiber : 1.7 dtex, fiber length: 51 mm) was uniformly kneaded, and then a card fiber web having a unit weight of 60 g / cm 2 was produced by a conventional method, and a water jet pressure of 50 kg / cm 2, a speed of 1 m / Shape: A sheet was produced by double-side processing at 0.1 mm ?, 0.6 mm pitch, 834 hole and 500 mm width, and then dried at a temperature of 120 占 폚 to obtain a nonwoven fabric having a unit weight of 50 g / m2. The fiber constitution of the nonwoven fabric is shown in Table 3, and the evaluation results are shown in Table 4.

[비교예 3][Comparative Example 3]

레이온 섬유(단섬유 섬도:1.7dtex, 섬유길이:51mm) 100질량%이며 단위중량 60g/㎠의 카드 섬유웹을 상법에 의해 제작하고, 워터젯의 수압이 50kg/㎠, 속도가 1m/분, 노즐형상:0.1mmφ, 0.6mm피치, 834홀, 500mm폭으로 양면가공에 의해 시트를 제작한 후, 또한 120℃의 온도에서 건조하고, 단위중량이 50g/㎡인 부직포를 얻었다. 부직포의 섬유구성을 표 3에, 평가 결과를 표 4에 나타낸다.A card fiber web having a weight of 60 g / cm &lt; 2 &gt; of 100% by weight of rayon fibers (monofilament fineness: 1.7 dtex, fiber length: 51 mm) was produced by a conventional method, and the water pressure of the waterjet was 50 kg / Shape: A sheet was produced by double-side processing at 0.1 mm ?, 0.6 mm pitch, 834 hole and 500 mm width, and then dried at a temperature of 120 占 폚 to obtain a nonwoven fabric having a unit weight of 50 g / m2. The fiber constitution of the nonwoven fabric is shown in Table 3, and the evaluation results are shown in Table 4.

[비교예 4][Comparative Example 4]

편평도가 1.0이며 횡단면형상의 원주 상에 6개의 볼록부를 갖는 이형단면 폴리에스테르 섬유(단섬유 섬도:1.7dtex, 섬유길이:51mm,) 80질량%와 레이온 섬유(단섬유 섬도:1.7dtex, 섬유길이:51mm) 20질량%를 균일하게 혼면한 후, 단위중량이 60g/㎠인 카드 섬유웹을 상법에 의해 제작하고, 워터젯의 수압이 50kg/㎠, 속도가 1m/분, 노즐형상:0.1mmφ, 0.6mm피치, 834홀, 500mm폭으로 양면가공에 의해 시트를 제작한 후, 또한 120℃의 온도에서 건조하고, 단위중량이 50g/㎡인 부직포를 얻었다. 부직포의 섬유구성을 표 3에, 평가 결과를 표 4에 나타낸다.(Monofilament fineness: 1.7 dtex, fiber length: 51 mm) having a flatness of 1.0 and having six convex portions on a circumference having a cross-sectional shape and a rayon fiber having a monofilament fineness of 1.7 dtex and a fiber length : 51 mm) was uniformly mixed to prepare a card fiber web having a unit weight of 60 g / cm &lt; 2 &gt; by a conventional method. The water jet pressure of the water jet was 50 kg / cm 2, the speed was 1 m / min, The sheet was produced by double-side processing at 0.6 mm pitch, 834 hole and 500 mm width, and then dried at a temperature of 120 캜 to obtain a nonwoven fabric having a unit weight of 50 g / m 2. The fiber constitution of the nonwoven fabric is shown in Table 3, and the evaluation results are shown in Table 4.

[비교예 5][Comparative Example 5]

횡단면형상의 원주 상에 3개의 볼록부를 갖는 이형 단면(Y형) 폴리에스테르 섬유(단섬유 섬도:1.7dtex, 섬유길이:51mm) 80질량%와 레이온 섬유(단섬유 섬도:1.7dtex, 섬유길이:51mm) 20질량%를 균일하게 혼면한 후, 단위중량이 60g/㎠인 카드 섬유웹을 상법에 의해 제작하고, 워터젯의 수압이 50kg/㎠, 속도가 1m/분, 노즐형상:0.1mmφ, 0.6mm피치, 834홀, 500mm폭으로 양면가공에 의해 시트를 제작한 후, 또한 120℃의 온도에서 건조하고, 단위중량이 50g/㎡인 부직포를 얻었다. 부직포의 섬유구성을 표 3에, 평가 결과를 표 4에 나타낸다.(Monofilament fineness: 1.7 dtex, fiber length: 0.5 dtex) having three convex portions on the circumference of a cross-sectional shape and having a shape of a cross section (Y type) Cm 2, a speed of 1 m / min, a nozzle shape of 0.1 mm ?, and a water content of 0.6 mm pitch, 834 holes, and 500 mm in width, and dried at a temperature of 120 DEG C to obtain a nonwoven fabric having a unit weight of 50 g / m &lt; 2 &gt;. The fiber constitution of the nonwoven fabric is shown in Table 3, and the evaluation results are shown in Table 4.

[비교예 6][Comparative Example 6]

횡단면형상이 C형을 갖는 이형 단면 폴리에스테르 섬유(단섬유 섬도:1.7dtex, 섬유길이:51mm) 80질량%와 레이온 섬유(단섬유 섬도:1.7dtex, 섬유길이:51mm) 20질량%를 균일하게 혼면한 후, 단위중량이 60g/㎠인 카드 섬유웹을 상법에 의해 제작하고, 워터젯의 수압이 50kg/㎠, 속도가 1m/분, 노즐형상:0.1mmφ, 0.6mm피치, 834홀, 500mm폭으로 양면가공에 의해 시트를 제작한 후, 또한 120℃의 온도에서 건조하고, 단위중량이 50g/㎡인 부직포를 얻었다. 부직포의 섬유구성을 표 3에, 평가 결과를 표 4에 나타낸다.80% by mass of a cross-sectionally shaped polyester fiber having a cross-sectional shape of C type (monofilament fineness: 1.7 dtex, fiber length: 51 mm) and 20% by mass of rayon fiber (monofilament fineness: 1.7 dtex, fiber length: 51 mm) After carding the mixture, a carded fibrous web having a unit weight of 60 g / cm 2 was produced by a conventional method, and the water pressure of the waterjet was 50 kg / cm 2, the speed was 1 m / min, the nozzle shape was 0.1 mm ?, 0.6 mm pitch, , And dried at a temperature of 120 캜 to obtain a nonwoven fabric having a unit weight of 50 g / m 2. The fiber constitution of the nonwoven fabric is shown in Table 3, and the evaluation results are shown in Table 4.

[비교예 7][Comparative Example 7]

환형 단면 폴리에스테르 섬유(단섬유 섬도:1.7dtex, 섬유길이:51mm) 80질량%와 레이온 섬유(단섬유 섬도:1.7dtex, 섬유길이:51mm) 20질량%를 균일하게 혼면한 후, 단위중량이 60g/㎠인 카드 섬유웹을 상법에 의해 제작하고, 워터젯의 수압이 50kg/㎠, 속도가 1m/분, 노즐형상:0.1mmφ, 0.6mm피치, 834홀, 500mm폭으로 양면가공에 의해 시트를 제작한 후, 또한 120℃의 온도에서 건조하고, 단위중량이 50g/㎡인 부직포를 얻었다. 부직포의 섬유구성을 표 3에, 평가 결과를 표 4에 나타낸다., 80 mass% of a circular cross-section polyester fiber (monofilament fineness: 1.7 dtex, fiber length: 51 mm) and 20 mass% of rayon fibers (monofilament fineness: 1.7 dtex, fiber length: 51 mm) A card fiber web having a density of 60 g / cm 2 was produced by a conventional method and the sheet was subjected to double-side processing at a water pressure of 50 kg / cm 2, a speed of 1 m / min, a nozzle shape of 0.1 mmφ, a pitch of 0.6 mm, And then dried at a temperature of 120 캜 to obtain a nonwoven fabric having a unit weight of 50 g / m 2. The fiber constitution of the nonwoven fabric is shown in Table 3, and the evaluation results are shown in Table 4.

Figure pct00003
Figure pct00003

Figure pct00004
Figure pct00004

실시예 1∼3이 나타내듯이, 섬유구성이 섬유 횡단면의 원주 상에 8개의 볼록부를 갖는 편평 단면 폴리에스테르 섬유 20∼80질량%와 레이온 20∼80질량%로 작성된 부직포는 보액율이 높기 때문에 물이나 약액 등의 액체를 보액하기 쉽고, 또한 잔존율도 낮은 점에서 보액한 약액을 방출하여 유효하게 이용할 수 있는 것이 확인되었다. 또한 닦임성이나 손으로 잡은 느낌(감촉)과, 촉감도 양호했다.As shown in Examples 1 to 3, nonwoven fabrics made from 20 to 80% by mass of flat-section polyester fibers having eight convex portions on the circumference of the fiber cross section of the fiber cross section and 20 to 80% by mass of rayon have high water solubility, It is easy to relieve a liquid such as a liquid or a chemical liquid, and it is also confirmed that the liquor liquid can be effectively used by releasing a liquified liquid from the viewpoint of low residual rate. In addition, the feeling of touch (touch) and the touch were also good.

한편, 비교예 1에서 나타내어지듯이, 셀룰로오스계 섬유의 함유율이 80질량%를 초과하면 촉감은 양호하지만, 부직포의 벌키성이 손상되므로 보액성이 낮아짐과 아울러 셀룰로오스계 섬유가 섬유내에 약액을 유지해버리므로 잔존율이 높고, 약액의 방출성 불량의 원인이 된다.On the other hand, as shown in Comparative Example 1, when the content of the cellulose-based fibers exceeds 80% by mass, the feel is good, but since the baldness of the nonwoven fabric is impaired, the liquid-repellency is lowered and the cellulose- The residual ratio is high, which causes poor dischargeability of the chemical solution.

또한 비교예 2에서 나타내어지듯이, 편평 다엽 단면 폴리에스테르의 함유율이 80질량%를 초과하면 셀룰로오스계 섬유의 유연함이 손상되므로 촉감이 나빠진다.In addition, as shown in Comparative Example 2, when the content of the flat multi-layer cross-section polyester exceeds 80 mass%, the softness of the cellulose-based fiber is impaired and the feel is deteriorated.

이에 대하여 비교예 3∼7에서 나타내어지듯이, 편평이 아닌 다른 이형 단면 폴리에스테르 섬유를 사용하면 보액성은 높아지지만, 잔존율이 현저하게 낮아지게 되어 있는 점에서 부직포내의 액유지성이 약하고, 부직포 사용시의 액흐름의 원인이 된다. 또한 편평이 아닌 점에서 감촉도 단단하고, 촉감도 현저하게 나빠진다.On the other hand, as shown in Comparative Examples 3 to 7, when the cross-section polyester fibers other than flattened are used, the liquid retentivity is increased, but the residual rate is remarkably lowered so that the liquid retentivity in the nonwoven fabric is weak. Which causes liquid flow. In addition, it is not flat, it is hard to touch, and the feeling is also noticeably deteriorated.

Claims (4)

다엽 편평 단면 폴리에스테르계 섬유 20∼80질량%와 셀룰로오스계 섬유 20∼80질량%로 이루어지는 부직포로서,
상기 다엽 편평 단면 폴리에스테르계 섬유의 횡단면형상이 원주 상에 6개이상의 볼록부를 갖는 편평형상이며, 다엽 편평 단면 폴리에스테르계 섬유의 횡단면의 최대 길이를 A, 최대 폭을 B, 최대 요철부에 있어서 인접하는 볼록부의 정점 사이를 연결하는 선의 길이를 C, 그리고 상기 볼록부의 정점 사이를 연결하는 선(C)으로부터 오목부의 저점에 내린 수선의 길이를 D로 할 때, 하기 식(1)의 편평도와 하기 식(2)의 이형도를 동시에 만족하는 것을 특징으로 하는 부직포.
·편평도(A/B)=2.0∼3.0···(1)
·이형도(C/D)=2.0∼5.0···(2)A nonwoven fabric comprising 20 to 80% by mass of multilayered flat cross-section polyester fibers and 20 to 80% by mass of cellulose fibers,
Wherein the cross-sectional shape of the multi-lobular flat cross-section polyester fiber is a flat shape having six or more convex portions on the circumference, A is the maximum length of the cross-section of the cross-section flat polyester fibers, B is the maximum width, The straight line connecting the vertexes of adjacent convex portions is denoted by C and the length of the perpendicular line drawn from the line connecting the vertexes of the convex portions to the bottom of the concave portion is denoted by D, (2): &quot; (1) &quot;
Flatness (A / B) = 2.0 to 3.0 (1)
(C / D) = 2.0 to 5.0 (2) 제 1 항에 있어서,
다엽 편평 단면 폴리에스테르계 섬유의 횡단면의 최대 길이(A)를 대칭축으로 하고, 대향하는 양 볼록부 정점간 선분 중 횡단면 최대 폭(B)을 제외하고 최장이 되는 길이를 E로 할 때, 하기 식(3)으로 정의되는 볼록부비를 만족하는 것을 특징으로 하는 부직포.
·볼록부비(E/B)=0.6∼0.9···(3)The method according to claim 1,
When the maximum length (A) of the cross-section of the multi-lobular flat cross-section polyester fiber is taken as the axis of symmetry and the longest length excluding the transverse section maximum width (B) (3). &Lt; / RTI &gt;
Convex portion ratio (E / B) = 0.6 to 0.9 (3) 제 1 항 또는 제 2 항에 있어서,
다엽 편평 단면 폴리에스테르계 섬유의 단섬유 섬도가 2.0dtex이하인 것을 특징으로 하는 부직포.3. The method according to claim 1 or 2,
Wherein the monofilament fineness of the multi-lobular flat cross-section polyester fiber is 2.0 dtex or less. 제 1 항 내지 제 3 항 중 어느 한 항에 기재된 부직포로 이루어지는 것을 특징으로 하는 와이퍼용 부직포.
A nonwoven fabric for wipers, comprising the nonwoven fabric according to any one of claims 1 to 3.
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