WO2017007144A1 - 위킹(wicking)성이 향상된 지오텍스타일 - Google Patents

위킹(wicking)성이 향상된 지오텍스타일 Download PDF

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Publication number
WO2017007144A1
WO2017007144A1 PCT/KR2016/006394 KR2016006394W WO2017007144A1 WO 2017007144 A1 WO2017007144 A1 WO 2017007144A1 KR 2016006394 W KR2016006394 W KR 2016006394W WO 2017007144 A1 WO2017007144 A1 WO 2017007144A1
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Prior art keywords
yarns
yarn
wicking
flat
split
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PCT/KR2016/006394
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English (en)
French (fr)
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이상기
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대윤지오텍 주식회사
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Publication of WO2017007144A1 publication Critical patent/WO2017007144A1/ko

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    • D—TEXTILES; PAPER
    • D03—WEAVING
    • D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
    • D03D15/00—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used
    • D03D15/40—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used characterised by the structure of the yarns or threads
    • D03D15/44—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used characterised by the structure of the yarns or threads with specific cross-section or surface shape
    • D03D15/46—Flat yarns, e.g. tapes or films
    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01D—MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
    • D01D1/00—Treatment of filament-forming or like material
    • D—TEXTILES; PAPER
    • D03—WEAVING
    • D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
    • D03D11/00—Double or multi-ply fabrics not otherwise provided for
    • D—TEXTILES; PAPER
    • D03—WEAVING
    • D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
    • D03D13/00—Woven fabrics characterised by the special disposition of the warp or weft threads, e.g. with curved weft threads, with discontinuous warp threads, with diagonal warp or weft
    • D—TEXTILES; PAPER
    • D03—WEAVING
    • D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
    • D03D15/00—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used
    • D—TEXTILES; PAPER
    • D03—WEAVING
    • D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
    • D03D15/00—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used
    • D03D15/20—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used characterised by the material of the fibres or filaments constituting the yarns or threads
    • D03D15/283—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used characterised by the material of the fibres or filaments constituting the yarns or threads synthetic polymer-based, e.g. polyamide or polyester fibres
    • D—TEXTILES; PAPER
    • D03—WEAVING
    • D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
    • D03D15/00—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used
    • D03D15/50—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used characterised by the properties of the yarns or threads
    • D03D15/573—Tensile strength
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D3/00—Improving or preserving soil or rock, e.g. preserving permafrost soil
    • E02D3/02—Improving by compacting
    • E02D3/10—Improving by compacting by watering, draining, de-aerating or blasting, e.g. by installing sand or wick drains
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00—Energy generation through renewable energy sources
    • Y02E10/30—Energy from the sea, e.g. using wave energy or salinity gradient

Definitions

  • the present invention is directed to geotextiles, which improves wicking by using yarns with more wicking properties.
  • the main functions of civil composite materials are mainly divided into protection, separation, filtration, reinforcement, drainage, and liquid / gas barrier functions.
  • Woven geotextiles are products in which the soft layer and the reinforcing layer are separated by reinforcement and separation functions during civil engineering, exhibiting reinforcing effects in the boundary, and mainly weaving polypropylene or polyester yarns in plain weaving or twill. .
  • the reinforcement geotextiles of high-performance ground structures tend to increase in the use of civil engineering sites for stabilization of soft grounds, improvement of high soils and anti-static forces, construction vehicle works, reinforcement bodies, road foundations and auxiliary layer reinforcement. to be.
  • the main element materials of existing woven geotextiles are polypropylene and
  • polyester based polypropylene materials are mainly used in the field where high strength and high modulus expression is limited and low strength standards are required.
  • Polyester materials are used in sites where high standards of strength are required, but long-term behavior is known to be poor in terms of moisture and saturation conditions.
  • the present invention has been made to solve the above-mentioned problems of the prior art, and more specifically, high strength yarns of various shapes and materials, namely, for reinforcing performance.
  • Polypropylene-based flat yarns and split yarns, and other high-strength yarns are used to give horizontal permeability.
  • the challenge is to provide a reinforcing reinforcement geotextile with excellent wicking properties (horizontal permeability) using two-phase yarns.
  • the friction surface characteristics of the woven fabric are improved by using yarns of different cross-sections of warp and weft yarns for the expression of high functionality (improving friction interaction coefficient, permeability, and tensile properties).
  • Another challenge is to provide geotextiles with fabric structures with bogie voids and water passages.
  • a mono yarn and / or a flat yarn is used for the inclined yarn, and a spliced yarn and a double-sided yarn are used for the weft yarn.
  • Another challenge is to provide a woven fabric structure with horizontal permeability and frictional interaction coefficients by wicking in the CD direction.
  • Geotextile which improves the wicking of the present invention which solves the above problems, uses two kinds of high-strength PP Flat yarns with different fineness as warp yarns, PP Flat yarn and PP Split as high-strength i yarn. Yarns that are woven using wicking yarns
  • One of the two PP flat yarns is supplied in two slants, or two PP flat yarns having different fineness are supplied in a ramp using two in total, and the wefts are divided into PP split yarns.
  • 2 to 3 yarns, 2 to 3 wicking yarns are arranged in a slanted direction to be interwoven to form a cross weave, or a high strength PP Flit yarn is interposed between the PP split yarns and the wicking yarns to cross weave.
  • the present invention uses two kinds of high-strength PP Flat yarns with different fineness as inclined yarns, and weaves using PP Split and Wicking yarns as high-strength yarns.
  • One of the two PP flat yarns is supplied in two slopes, or one PP flat yarn having different fineness is used in one piece, and two in one ramp is supplied. Two split yarns and four wicking yarns are interlaced according to the weft density, so that the weft yarns overlap each other,
  • Geotextiles are characterized by having a weaving structure that improves horizontal permeability.
  • One of the two PP flat yarns is supplied in two slopes, or one PP flat yarn having different fineness is used in a single inclination, and two inclined supplies are provided. 2 weaving yarns, 3 to 4 weaving yarns, and weaving shall be made. The weaving yarns are woven to be enclosed, and the wicking yarns simultaneously enclosed with each of the PP Split yarns are enclosed so as to be watched on different sides of the PP Split yarns.
  • This paper provides geotextiles characterized by having the sphere S being sequentially woven to have an overlapping structure.
  • the PP Flat yarn used as the warp and weft yarn is characterized in that the PP Flat yarn having a fineness of 1000 to 1070 deniers and the PP Flat yarn having a fineness of 1250 deniers.
  • the wicking yarn is characterized in that the polyester-based or nylon-based cross-sectional yarn that satisfies the fineness 900-1200 denier.
  • the wicking yarn is a cross-sectional cross-section yarn formed using one of 130D / 144F, 150D / 72F or 150D / 144F fineness to form an aggregate, and the aggregated composite 300-400TM, S After twisting the yarn, twist the air ! It is characterized by an interlaced sectional cross-section yarn, which is interlaced to form three to five entanglements per inch, with 6 to 7 combinations of air pressure 5 kg / crf in the nozzle.
  • the textiles provided in the present invention are conventional plain weave and twill weave fabrics with the introduction of hybrid weaves that make up the warp / weft using yarns of different cross sections.
  • AOS and vertical permeability compared to geotextiles are not only reinforcement, but also can be widely applied as separating and filtration materials for the repair field.
  • the road base reinforcement has no water gradient in winter and rainy season. In this case, it is possible to reduce maintenance costs and improve road long-term durability due to the possibility of freezing and thawing.
  • FIG. 1 is a perspective view illustrating the weaving structure of the geotextile of the present invention.
  • FIGS. 2 and 3 are woven structure design organization charts illustrating the geotextile of the present invention.
  • the geotextile of the present invention improves the frictional surface properties of woven fabrics by using yarns of different cross sections from warp and weft yarns for the development of high functionality (improved friction interaction coefficient, improved permeability, and tensile properties). It is characterized by a fabric structure with apparent voids and water passages.
  • the geotextiles of the present invention are mainly made of polypropylene, and the cross-sectional shape of the yarn is used to minimize the height of the cross point of the woven fabric in order to minimize wear damage according to the field conditions of the construction of the geotextile.
  • the cross section uses flat yarn, and in the case of weft, high strength of various shapes and materials
  • the split yarn is a flat cross section and a slitting yarn. It is manufactured by uniformly finely forming (slit yarn), and it is formed by two uniformly in the spiral direction with respect to the yarn axis, so it is soft like filament yarn.
  • Geotextiles with improved wicking properties of the present invention use two high-strength PP Flat yarns with different fineness as slant, as shown in FIG. It is woven using PP Split, Wicking,
  • One of the two PP flat yarns is supplied in two slants, or two PP flat yarns having different fineness are supplied in a ramp using two in total. 2 to 3 yarns, 2 to 3 wicking yarns are arranged in a slanted direction to be woven so as to be intersected (Fig. 1 (a)), or between the PP split yarn and the wicking yarn PP Flit yarn By enumeration (Fig. 1 (b))
  • the geotextile with improved wicking according to the present invention uses two high-strength PP Flat yarns with different fineness as inclination, as shown in FIG. Weaved using (Wicking) company:
  • One of the two PP flat yarns is supplied in two slopes, or two PP flat yarns having different fineness are supplied in a slope using two in total.
  • Weaving two yarns (3, 6) and four wicking yarns (1, 2, 4, 5) are interlaced according to the weft density, so that the weft yarns overlap each other to improve the tensile strength and the horizontal permeability (Wicking). Its features are its structure.
  • One of the two PP flat yarns is supplied in two slants, or two PP flat yarns having different fineness are supplied in a ramp using two in total. 2 weaving yarns, 3-4 wicking yarns are added to the weaving yarn, and one wicking yarn is woven on one side of each of the PP split yarns at the same time. It is placed so as to be located on different sides of the Split yarn, and the PP Split yarn is placed so that the mutual overlapping portion is 50% or less, and one or two other wicking yarns are sequentially inserted. Its characteristics are that it has a structure that is woven to have an overlapping structure.
  • the weft arrangement of the textile has a weaving structure of Fig.
  • the first PP split yarns (5, 10) are positioned on the upper side, and the second PP split yarns (3, 8) are moved downwards so that a part of the PP Split yarns of the above-mentioned 1 3/4 is overlapped.
  • the first wicking yarns 4 and 9 are positioned to the non-overlapping load side of the first PP Split yarn, and the second wicking yarns 2 and 7 above the non-overlapping portion of the second PP Split yarn.
  • the third wicking yarns (1, 6) are positioned on one side of the second PP Split yarn; having a weft array that is enclosed so that the indentation structure of the above weft array is repeatedly formed in an oblique direction. do.
  • the PP Flat yarn used as the warp and weft yarn used in the above weaving structure is characterized by being PP Flat yarn having a fineness of 1000-1070 denier and PP Flat yarn having a fineness of 1250 denierine.
  • the wicking yarn satisfies a fineness of 900 to 1200 denier.
  • the above 3 ⁇ 4 yarns use either one of 130D / 144F, 150D / 72F, or 150D / 144F fineness to form aggregates.
  • the yarn is blended with 300-400TM and S twist in the composite twister, and then 6 to 7 are combined with air pressure of 5kg / crf in the air jet nozzle, so that three to five entanglements per inch are uniformly spaced.
  • the interlaced and entangled entangled machining is used as a cross section yarn.
  • the geotextile stone of the present invention described above has a permeability of 600 ⁇ min / m 2 or more
  • Example 1 is woven so as to have a weaving structure of FIG. 1 (b) (claim 1), and Example 2 has a weaving structure of claim 2 (Fig. 2).
  • Example 3 and 4 are prepared by weaving to have a weaving structure of claim 3 (Fig. 3 to 5).

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Structural Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Soil Sciences (AREA)
  • Environmental & Geological Engineering (AREA)
  • Agronomy & Crop Science (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Mining & Mineral Resources (AREA)
  • Paleontology (AREA)
  • Civil Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Woven Fabrics (AREA)

Abstract

본 발명은 위사로 우수한 위킹(Wicking)성을 가지는 원사를 사용함으로써 위킹성을 향상시킨 지오텍스타일에 관한 것으로, 보다 상세하게는 보강성능을 위해 다양한 형태 및 소재의 고강도 원사, 즉 폴리프로필렌계 플랫사 및 스플릿사, 기타 고강력 원사 등을 사용하고, 수평투수성을 부여하기 이하여 폴리에스테르계 이형단면 원사와 나일론계 이형단면 원사를 이용하여 우수한 Wicking성(수평투수성)을 갖는 분리보강용 지오텍스타일이 제공된다.

Description

명세 ^^
발명의명칭:위킹 (Wicking)성이향상된지오텍스타일 기술분야
[1] 본발명은지오텍스타일에관한것으로서,보다상세하게는위사로우수한 위킹 (Wicking)성을가지는원사를사용함으로써위킹성을향상시킨
지오텍 !스타¾에관한것이다.
배경기술
[2] 토목합성재료의주요기능은주로보호，분리,여과,보강,배수，액체 /기체 차단기능등으로구분된다.
[3] 일반적으로토목，건설공사에서사용된지오신세틱스는최소한한가지이상의 기능이적용되고각기능에대할용도설계는역학적,수리학적및지질학적인 기본개념들이반영되어설계되어진다.
[4] 직포형지오텍스타일의경우토목공사중보강과분리기능등으로연약층과 보강층을분리하며，경계면에서보강효과를발휘하며，주로폴리프로필렌이나 폴리에스테르원사를평직이나능직등을제직한형태의제품이다.
[5] 고성능지반구조물의보강용지오텍스타일은연약지반의안정화,고성토도로 및제방지지력개선，공사차량작업로，보강토체,도로기층및보조기층보강을 위한토목공사현장에서사용량이증가하는추세이다.
[6] 직포형지오텍스타일의주요기능은보강과분리기능으로연약층과보강층을 분리하여경계면에서보강효과를발휘하는제품군으로지오텍스타일의강도 향싱ᅳ，보강층에서하부연약층의수분의원활한투수성,마찰에의한보강효율 등이보강기능의개선을위해요구되는실정이디-.
[7] 반의안정화를위해보강기능，분리기능，여과기능을동시에수행할수있는 제품으로서,특히수평투수성을갖는분리보강용지오텍스타일의제조기술과 이를통해얻어진제품의적용공법의개발이필요하디-.
[8] 또한,기존직포지오텍스타일의주요소재는폴리프로필렌계와
폴리에스테르계가대부분으로폴리프로필렌소재의경우고강도，고모들러스 발현이제한되어저강도의기준이요구되는현장에서주로사용되고
폴리에스테르소재의경우고강도의기준이요구되는현장에서사용되나 수분포 ,화조건인상태에서장기거동이불리하다고알려져있다.
발명의상세한설명
기술적과제
[9] 본발명은상기한종래기술의문제점을해결하고자안출한것으로서,보다 상세하게는보강성능을위해다양한형태및소재의고강도원사，즉
폴리프로필렌계플랫사및스플릿사,기타고강력원사등을사용하고， 수평투수성을부여하기이하여폴리에스테르계이형단면원사와나일론계 이형단 ¾원사를이용하여우수한 Wicking성 (수평투수성)을갖는분리보강용 지오텍；스타일을제공하는것을그해결과제로한다.
[10] 또한，본발명에서는고기능성 (마찰상호작용계수향상,투수성개^，인장특성 향상)의발현을위해경사와위사에각기다른단면의원사를사용하여직포의 마찰표면특성이향상되고걸보기공극과통수통로가확보된직물구조의 지오텍스타일을제공하는것을다른해결과제로한다.
[11] 또한,본발명에서는경사에모노사및 /또는플랫사를사용하고위사에는 스폴릿사와이형단면원사등을복합적으로사용하여수직투수성뿐만아니라
CD방향으로의위킹 (Wicking)에의한수평투수성과마찰상호작용계수가발현된 직포구조의지오텍스타일을제공하는것을또다른해결과제로한다.
과제해결수단
[12] 상기한과제를해결한본발명의위킹 (Wicking)성이향상된지오텍스타일은 경사로서로다른섬도를가지는 2종의고강도 PP Flat사를사용하고，위사로 고강도 i원사로 PP Flat사와 PP Split사，위킹 (Wicking)사를사용하여제직되는
[13] 상기 2종의 PP Flat사중어느하나를 2본으로하여경사로공급하거나,또는 서로다른섬도를가지는 PP Flat사를각각 1본씩사용하여합 2본으로하여 경사로공급하고,상기위사는 PP Split사 2~3본，위킹사 2~3본을경사방향으로 순차배열하여위입시켜교차배열되도록제직되거나,또는상기 PP split사와 위킹사와의사이에고강도 PP Flit사를위입하여교차배열되도록제직되는것을 특징으로한다.
[14] 또한，본발명은경사로서로다른섬도를가지는 2종의고강도 PP Flat사를 사용하고，위사로고강도원사로 PP Split사와위킹 (Wicking)사를사용하여 제직되는것으로,
[15] 상기 2종의 PP Flat사중어느하나를 2본으로하여경사로공급하거나，또는 서로다른섬도를가지는 PP Flat사를각각 1본씩사용하여합 2본으로하여 경사로 1공급하고,상기위사는 PP Split사 2본과위킹사 4본을위사밀도에따라 상호교차위입하여위사들이서로겹침을통해인장강도및
수평투수성 (Wicking성)이향상되는제직구조를가지는것을특징으로하는 지오텍스타일을제공한다.
[16] 본발명에서는또한,서로다른섬도를가지는 2종의고강도 PP Hat사를
사용하고,위사로고강도원사로 PP Split사와위킹 (Wicking)사를사용하여 제직되는것으로，
[17] 상기 2종의 PP Flat사중어느하나를 2본으로하여경사로공급하거나,또는 서로다른섬도를가지는 PP Flat사를각각 1본씩사용하여합 2본으로하여 경사로공급하고,상기위사는 PP Split사 2본，위킹사 3~4본을위입하여 제직되되,상기각각 PP Split사의어느한면에 1본의위킹사가동시에 위입되도록제직시키되，상기각각의 PP Split사와동시에위입되는위킹사들은 PP Split사의서로다른면에워치되도록위입되고，상기 PP Split사는상호 겹침부가 50%이하가되도록위입되고，다른위킹사 1ᅳ 2본은순차위입하여 상호겹침구조를가지도록제직되는구 S를가지는것을특징으로하는 지오텍스타일을제공한다.
[18] 여기서,상기경사및위사로사용되는 PP Flat사는섬도 1000~1070데니어인 PP Flat사와섬도 1250데니어닌 PP Flat사인것을특징으로한다.
[19] 여기서，상기위킹사는섬도 900-1200데니어를만족하는폴리에스터계또는 나일론계이형단면사인것을특징으로한다.
[20] 여기서，상기위킹사는이형단면사는 130D/144F, 150D/72F또는 150D/144F의 섬도를가지는것중어느하나를사용하여사집합체를형성하고,상기 사집합체를복합연사기에서 300-400TM, S꼬임으로합사를진행한다음, 에어제 !트노즐에서공기압 5kg/crf으로 6합내지 7합하여인치 (inch)당 3~5개의 교락이균일한간격으로형성되도록인테레이스가공하여합사된교락가공 이형단면사인것을특징으로한다.
발명의효과
[21] 본발명에서제공되는지오텍스타일은이형단면의원사를이용하여경 /위사를 구성하는하이브리드직포의도입으로기존평직과능직구조직포
지오텍스타일대비뚜렷하게개선된 AOS와수직투수능은보강기능뿐아니라 수리분야에적용되는분리재및여과재료로서확대적용이가능한것으로，특히 겨울철및장마철의수평방향으로의동수구배가없는도로기층보강의경우 동결융해가능성감소등으로인한보수비용절감및도로장기내구성향상의 효과가있다.
[22] 또한，단일재료로기존의 2겹이상의재료가필요하던적용분야에대체하게 되므로 i산업전체적인관점에서사용원료의절감과에너지의절감효과가 기대되고,기능성흡수소재 (Wicking)의지오텍스타일분야로의웅용분야 확대에따른소재활용도증가효과가있다.
도면의간단한설명
[23] 도 1은본발명의지오텍스타일의제직구조를예시한사시도이다.
[24] 도 2및 3은본발명의지오텍스타일을예시한제직구조설계조직도이다.
[25] 도 4및 5는도 3에도시된제직구조설계조직도의위사배열을예시한것이다. 발명의실시를위한최선의형태
[26] 이하,본발명을보다상세히설명하기로한다.
[27] 본발명의지오텍스타일은고기능성 (마찰상호작용계수향상,투수성개선， 인장특성향상)의발현을위해경사와위사에각기다른단면의원사를사용하여 직포의마찰표면특성이향상되고겉보기공극과통수통로가확보된직물구조를 가지는 ,것에특징이있다. [28] 또한,본발명의지오텍스타일을폴리프로필렌소재를주로사용하고원사의 단면형태는지오텍스타일의시공시현장조건에따른마모손상을최소화하기 위하여직포의교차점의높이를최소화할수있도록경위사의기본단면은 flat한 형태의원사를사용하고,위사의경우다양한형태및소재의고강도
원사 (폴리프로필렌폴랫사，스플릿사,기타고강력원사등)중폴리프로필렌 필름사계열의스플릿사 (split yarn)을선정하여사용함에그특징이있디ᅵ.상기 스플릿사는 flat한형태의단면이면서도슬리트사 (slit yarn)를일정하게 초세화하여제조된형태로사축을기준으로나선방향으로일정하게 2개져서 형성되므로필라멘트사와같이부드러운것이특징이다.
[29] 본발명의따른위킹 (Wicking)성이향상된지오텍스타일은도 1에도시된바와 같이 ,경사로서로다른섬도를가지는 2종의고강도 PP Flat사를사용하고, 위사로고강도원사로 PP Flat사와 PP Split사,위킹 (Wicking)사를사용하여 제직되는것으로,
[30] 상기 2종의 PP Flat사중어느하나를 2본으로하여경사로공급하거나，또는 서로다른섬도를가지는 PP Flat사를각각 1본씩사용하여합 2본으로하여 경사로공급하고，상기위사는 PP Split사 2~3본,위킹사 2~3본을경사방향으로 순차배열하여위입시켜교차배열되도록제직되거나 (도 1의 (a)),또는상기 PP split사와위킹사와의사이에고강도 PP Flit사를위입 (도 1의 (b))하여
교차배열되도록제직되는것에그특징이있다.
[31] 또한,본발명에따른위킹성이향상된지오텍스타일은도 2에도시된바와 같이，경사로서로다른섬도를가지는 2종의고강도 PP Flat사를사용하고， 위사로고강도원사로 PP Split사와위킹 (Wicking)사를사용하여제직되는 것으로:,
[32] 상기 2종의 PP Flat사중어느하나를 2본으로하여경사로공급하거나，또는 서로다른섬도를가지는 PP Flat사를각각 1본씩사용하여합 2본으로하여 경사로공급하고，상기위사는 PP Split사 2본 (3, 6)과위킹사 4본 ( 1， 2， 4， 5)을위사 밀도에따라상호교차위입하여위사들이서로겹침을통해인장강도및 수평투수성 (Wicking성)이향상되는제직구조를가지는것에그특징이있다.
[33] 본발명에서는또한,다른실시형태로도 3에도시된바에따르면,서로다른 섬도를가지는 2종의고강도 PP Flat사를사용하고，위사로고강도원사로 PP Split사와위킹 (Wicking)사를사용하여제직되는것으로，
[34] 상기 2종의 PP Flat사중어느하나를 2본으로하여경사로공급하거나，또는 서로다른섬도를가지는 PP Flat사를각각 1본씩사용하여합 2본으로하여 경사로공급하고,상기위사는 PP Split사 2본，위킹사 3-4본을위입하여 제직되되，상기각각 PP Split사의어느한면에 1본의위킹사가동시에 위입되 1도록제직시키되,상기각각의 PP Split사와동시에위입되는위킹사들은 PP Split사의서로다른면에위치되도록위입되고,상기 PP Split사는상호 겹침부가 50%이하가되도록위입되고,다른위킹사 1~2본은순차위입하여 상호겹침구조를가지도록제직되는구조를가지는것에그특징이 있다.
[35] 도 3의제직구조를가지는지오텍스타일의위사배열을도 4를참조하여
설명하면,제 1의 PP split사 (5， 10)가상측으로위치되고,제 2의 PP split사 (3, 8)가 하측으로위입시켜상기계 1 ¾ 2의 PP Split사의 일부분이 겹치도록워입되고, 상기제 1의 PP Split사의미겹침부하측으로제 1의위킹사 (4, 9)가위치되도록 동시위입되고,상기 제 2의 PP Split사의미겹침부상측으로제 2의위킹사 (2, 7)가 위치되도록동시위입되고，제 3의위킹사 (1, 6)가상기제 2의 PP Split사의 일측에 위치되;도록위입시켜되는위사배열을가지며，이상의위사배열의위입구조가 경사방향으로반복형성되게된다.
[36] 본발명에따르면，이상의제직구조에사용된상기 경사및위사로사용되는 PP Flat사는섬도 1000-1070데니어인 PP Flat사와섬도 1250데니어닌 PP Flat사인 것에그특징이 있다.
[37] 본발명에따르면,상기위킹사는섬도 900~1200데니어를만족하는
폴리에스터계또는나일론계이형단면사인것에그특징이 있다.바람직하게， 상기위 ¾사는이형단면사는 130D/144F, 150D/72F또는 150D/144F의섬도를 가지는것중어느하나를사용하여사집합체를형성하고,상기사집합체를 복합연사기에서 300-400TM, S꼬임으로합사를진행한다음,에어제트노즐에서 공기압 5kg/crf으로 6합내지 7합하여 인치 (inch)당 3~5개의교락이균일한 간격으로형성되도록인테레이스가공하여합사된교락가공이형단면사인것을 사용하는것이다.
[38] 이상 서설명된본발명의지오텍스타일돌은투수량 600^min/m2이상,
인장강도 80KN/m이상의수평투수성 및보강성을가지게됨에그물성적특성이 있다.
[39] 이하，본발명을바람직한실시예를들어보다상세히설명하기로한다.단， 하기의실시예는본발명을설명하기위한예시로서하기 기술되는실시예로본 발명을한정하는것은아니며,본발명의 범위를벗어나지않는범위내에서 얼마든지 변형가능한것이다.
[40] [실시예 1~4]
[41] 하기표 1의조건으로지오텍스타일을시편을제직하여준비하고,종래
폴리에스터원사를사용하여평직으로제직된지오텍스타일을준비하여 각 물성을비교분석하여보았다.그비교분석결과는하기표 2에나타내었다.
[42] 하기표 1에서실시예 1은도 1의 (b)(청구항제 1항)의제직구조를가지도록 제직하 01,실시예 2는청구항제 2항 (도 2)의제직구조를가지도록제직하였으며, 실시예 3및 4는청구항제 3항 (도 3내지 5)의제직구조를가지도록제직하여 준비된것이다. [43]
Figure imgf000008_0001
[44] [표 2]
Figure imgf000009_0001
[45] 이상의결과로살펴볼때，본발명에서제공되는지오텍스타일은종래의 일반적으로사용되는지오텍스타일대비전반적으로물성이향상된것을알수 있었다.
[46] 따라서，위표 2의시험결과로본발명에서목적하는바와같은수평투수성및 보강성이향상된우수한물성을가지는지오텍스타일을제공할수있음을알수 있다.

Claims

청구범위
[청구항 1] 토목용지오텍스타일에있어서,
경사로서로다른섬도를가지는 2종의고강도 PP Flat사를사용하고, 위사로고강도원사로 PP Flat사와 PP Split사，위킹 (Wicking)사를
사용하여제직되는것으로,
상기 2종의 PP Flat사중어느하나를 2본으로하여경사로공급하거나， 또는서로다른섬도를가지는 PP Flat사를각각 1본씩사용하여합
2본으로하여경사로공급하고，상기위사는 PP Split사 2~3본，위킹사 2~3본을경사방향으로순차배열하여위입시켜교차배열되도록 제직되거나,또는상기 PP split사와위킹사와의사이에고강도 PP Flit사를 위입하여교차배열되도록제직되는것을특징으로하는
I위킹 (Wicking)성이향상된지오텍스타일.
[청구항 2] 토목용지오텍스타일에있어서，
경사로서로다른섬도를가지는 2종의고강도 PP Flat사를사용하고, 위사로고강도원사로 PP Split사와위킹 (Wicking)사를사용하여제직되,는 것으로,
상기 2종의 PP Flat사중어느하나를 2본으로하여경사로공급하거나, 또는서로다른섬도를가지는 PP Flat사를각각 1본씩사용하여합
2본으로하여경사로공급하고,상기위사는 PP Split사 2본과위킹사
4본을위사밀도에따라상호교차위입하여위사들이서로겹침을통해 인장강도및수평투수성 (Wicking성)이향상되는제직구조를가자는것을 특징으로하는위킹성이향상된지오텍스타일.
[청구항 3] 토목용지오텍스타일에있어서，
서로다른섬도를가지는 2종의고강도 PP Flat사를사용하고，위사로
1고강도원사로 PP Split사와위킹 (Wicking)사를사용하여제직되는 것으로,
상기 2종의 PP Flat사중어느하나를 2본으로하여경사로공급하거나, 또는서로다른섬도를가지는 PP Flat사를각각 1본씩사용하여합
2본으로하여경사로공급하고,상기위사는 .PP Split사 2본,위킹사
3~4본을위입하여제직되되，상기각각 PP Split사의어느한면에 1본의 위킹사가동시에위입되도록제직시키되，상기각각의 PP Split사와 동시에위입되는위킹사들은 PP Split사의서로다른면에위치되도록 위입되고，상기 PP Split사는상호겹침부가 50%이하가되도록위입되고, 다른위킹사 1~2본은순차위입하여상호겹침구조를가지도록제직되는 구조를가지는것을특징으로하는위킹성이향상된지오텍스타일.
[청구항 4] 제 1, 2항또는제 3항에있어서，
,상기경사및위사로사용되는 PP Flat사는섬도 1000-1070데니어인 PP Flat사와섬도 1250데니어닌 PP Flat사인것을특징으로하는위킹성이 향상된지오텍스타일.
[청구항 5] 제 1, 2항또는제 3항에있어서，
상기위킹사는섬도 900-1200데니어를만족하는폴리에스터계또는 나일론계이형단면사인것을특징으로하는위킹성이향상된 지오텍스타일.
[청구항 6] 제 1， 2항또는제 3항에있어서，
상기위킹사는이형단면사로 130D/144F, 150D/72F또는 150D/144F의 섬도를가지는것중어느하나를사용하여사집합체를형성하고,상기 사집합체를복합연사기에서 300-400TM, S꼬임으로합사를진행한다음, !에어제트노즐에서공기압 5kg/crf으로 6합내지 7합하여인치 (inch)당 3~5개의교락이균일한간격으로형성되도록인테레이스가공하여 합사된교락가공이형단면사인것을특징으로하는위킹성이향상된 지오텍스타일.
PCT/KR2016/006394 2015-07-07 2016-06-16 위킹(wicking)성이 향상된 지오텍스타일 WO2017007144A1 (ko)

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