KR101498577B1 - Cushioning article for automobile interior - Google Patents

Cushioning article for automobile interior Download PDF

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Publication number
KR101498577B1
KR101498577B1 KR1020130081207A KR20130081207A KR101498577B1 KR 101498577 B1 KR101498577 B1 KR 101498577B1 KR 1020130081207 A KR1020130081207 A KR 1020130081207A KR 20130081207 A KR20130081207 A KR 20130081207A KR 101498577 B1 KR101498577 B1 KR 101498577B1
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South Korea
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pct
fiber
cushion member
present
component
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KR1020130081207A
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Korean (ko)
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KR20150007412A (en
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임대영
김기영
정원영
안효진
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한국생산기술연구원
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Priority to KR1020130081207A priority Critical patent/KR101498577B1/en
Priority to DE112014003219.0T priority patent/DE112014003219B4/en
Priority to PCT/KR2014/004583 priority patent/WO2015005579A1/en
Priority to JP2016525264A priority patent/JP6302057B2/en
Publication of KR20150007412A publication Critical patent/KR20150007412A/en
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Publication of KR101498577B1 publication Critical patent/KR101498577B1/en

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    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
    • D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
    • D04H1/40—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties
    • D04H1/42—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties characterised by the use of certain kinds of fibres insofar as this use has no preponderant influence on the consolidation of the fleece
    • D04H1/4382—Stretched reticular film fibres; Composite fibres; Mixed fibres; Ultrafine fibres; Fibres for artificial leather
    • 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
    • D04H1/54—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
    • D04H1/542—Adhesive fibres
    • D04H1/55—Polyesters
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R13/00—Elements for body-finishing, identifying, or decorating; Arrangements or adaptations for advertising purposes
    • B60R13/02—Internal Trim mouldings ; Internal Ledges; Wall liners for passenger compartments; Roof liners
    • 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
    • D04H1/4374—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
    • D04H1/4382—Stretched reticular film fibres; Composite fibres; Mixed fibres; Ultrafine fibres; Fibres for artificial leather
    • D04H1/43825—Composite fibres
    • D04H1/43828—Composite fibres sheath-core
    • 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
    • D04H1/44—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties the fleeces or layers being consolidated by mechanical means, e.g. by rolling
    • D04H1/46—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties the fleeces or layers being consolidated by mechanical means, e.g. by rolling by needling or like operations to cause entanglement of fibres
    • D04H1/48—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties the fleeces or layers being consolidated by mechanical means, e.g. by rolling by needling or like operations to cause entanglement of fibres in combination with at least one other method of consolidation
    • D04H1/485—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties the fleeces or layers being consolidated by mechanical means, e.g. by rolling by needling or like operations to cause entanglement of fibres in combination with at least one other method of consolidation in combination with weld-bonding
    • 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
    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
    • D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
    • D04H1/40—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties
    • D04H1/54—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties by welding together the fibres, e.g. by partially melting or dissolving
    • D04H1/541—Composite fibres, e.g. sheath-core, sea-island or side-by-side; Mixed fibres
    • D04H1/5412—Composite fibres, e.g. sheath-core, sea-island or side-by-side; Mixed fibres sheath-core
    • 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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    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
    • D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
    • D04H1/40—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties
    • D04H1/54—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties by welding together the fibres, e.g. by partially melting or dissolving
    • D04H1/541—Composite fibres, e.g. sheath-core, sea-island or side-by-side; Mixed fibres
    • D04H1/5418—Mixed fibres, e.g. at least two chemically different fibres or fibre blends
    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
    • D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
    • D04H1/40—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
    • D04H1/542—Adhesive fibres
    • 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
    • D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
    • D04H1/40—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties
    • D04H1/54—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties by welding together the fibres, e.g. by partially melting or dissolving
    • D04H1/558—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties by welding together the fibres, e.g. by partially melting or dissolving in combination with mechanical or physical treatments other than embossing
    • 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
    • D04H3/00—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length
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    • D—TEXTILES; PAPER
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    • D04H3/00—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length
    • D04H3/08—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length characterised by the method of strengthening or consolidating
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    • D10B2505/12—Vehicles

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Nonwoven Fabrics (AREA)
  • Vehicle Interior And Exterior Ornaments, Soundproofing, And Insulation (AREA)
  • Seats For Vehicles (AREA)
  • Mattresses And Other Support Structures For Chairs And Beds (AREA)
  • Multicomponent Fibers (AREA)
  • Laminated Bodies (AREA)

Abstract

본 발명은 자동차 내장용 쿠션부재에 관한 것이다.
본 발명은 폴리(1,4-사이클로헥산디메틸렌 테레프탈레이트)(Poly 1,4-cyclohexanedimethanol terephthalate, PCT) 소재 섬유에 바인더 섬유가 혼합된 섬유상 기재로 이루어진 쿠션부재 또는 상기 섬유상 기재가 적어도 2층 이상으로 이루어진 층간에 스페이서 원단이 삽입된 다층구조의 쿠션부재를 제공함으로써, 상기 PCT 소재 섬유가 PET 보다 높은 내열성, 내화학성, 탄성력 및 벌키성으로 인하여, 자동차 내장용 쿠션부재 용도에 적합한 물성을 충족하고, 나아가, 경량이면서도 높은 탄성회복률을 충족한다.The present invention relates to a cushion member for an automobile interior.
The present invention relates to a cushioning member comprising a fibrous base material in which binder fibers are mixed with poly (1,4-cyclohexanedimethanol terephthalate) (poly (1,4-cyclohexanedimethanol terephthalate) The PCT material fibers satisfy the physical properties suitable for the use of a cushion member for an automobile interior due to the heat resistance, chemical resistance, elasticity and bulging property higher than that of PET , Furthermore, it meets lightweight yet high elastic recovery rate.

Description

자동차 내장용 쿠션부재{CUSHIONING ARTICLE FOR AUTOMOBILE INTERIOR}[0001] CUSHIONING ARTICLE FOR AUTOMOBILE INTERIOR [0002]

본 발명은 자동차 내장용 쿠션부재에 관한 것으로서, 더욱 상세하게는 폴리(1,4-사이클로헥산디메틸렌 테레프탈레이트)(Poly 1,4-cyclohexanedimethylene terephthalate, 이하 PCT 라 함) 소재 섬유에 바인더 섬유가 혼합된 섬유상 기재로 이루어진 자동차 내장용 쿠션부재 또는 상기 섬유상 기재가 적어도 2층 이상으로 이루어진 층간에 스페이서 원단이 삽입된 다층구조의 자동차 내장용 쿠션부재에 관한 것이다. The present invention relates to a cushioning member for an automobile interior, and more particularly, to a cushioning member for an automobile, and more particularly, to a cushioning member for an automobile, which comprises a binder fiber mixed with poly (1,4- A cushion member for an automobile having a built-in fibrous base material, or a multi-layered automotive interior cushion member having a spacer fabric inserted between at least two layers of the fibrous base material.

자동차 경량화는 석유 자원 고갈 이슈와 연비 향상을 통한 제품 경쟁력을 모두 높이는 요소로 부각되고 있으며, 자동차 내 경량 소재를 10% 늘리면 연비가 5∼10% 가량 높아지는 것으로 업계에서는 분석하고 있다. The light weight of automobiles has been highlighted as a factor to increase both the issue of depletion of petroleum resources and the competitiveness of products through fuel efficiency improvement. The industry is analyzing that fuel costs increase by 10 ~ 10% when lightweight materials in automobiles are increased by 10%.

이에 관련업계에서는 자동차의 경량화를 구현하기 위하여, 신규한 엔지니어링 플라스틱에 관한 관심이 높아지고 있다. In the related industry, there is a growing interest in new engineering plastics in order to realize the light weight of automobiles.

엔지니어링 플라스틱은 합성수지(레진, resin)와 유리섬유 등의 충전제(filler)를 배합해 복합화한 플라스틱으로서, 범용 플라스틱의 최대 약점인 열적 특성과 강도, 마모성 등 기계적인 특성을 향상시켜 자동차 부품, 기계부품, 전기ㆍ전자부품 등 다양한 산업용 재료로 널리 사용되고 있다. 또한 금속이나 유리등의 소재 대비 디자인 유연성과 성형 가공성 등의 장점을 가지고 있어 활용 폭도 넓은 장점이 있다.Engineering Plastics is a composite of synthetic resin (resin, resin) and filler such as glass fiber. It is a plastic that has improved mechanical properties such as thermal properties, strength and abrasion which are the weakest points of general-purpose plastics, , Electric and electronic parts, and the like. In addition, it has advantages such as design flexibility and molding processability compared to materials such as metal and glass, and thus has wide advantage in utilization.

그러한 요구에 따른 자동차 경량화 소재의 일례로 폴리아미드(PA)의 경우, 엔지니어링 플라스틱 중 가장 많이 사용되는 소재 중 하나이다.In the case of polyamide (PA), one of the most widely used materials among engineered plastics is one example of automobile lightweight materials that meet such demands.

이에, 폴리아미드(PA)는 열변형 온도와 높은 강도, 쉽게 불에 타지 않는 난연성, 질긴 특성 등의 장점이 있어 자동차 중에서도 내부 골격 등에 주로 이용된다. 일례로, PA 소재를 기반으로 자동차 전면부 부품(front-end), 페달보조 브래킷, 브레이크 페달과 같은 초경량 고강도 부품 제조에 적용되고 있다. Therefore, polyamide (PA) is mainly used for internal skeleton among automobiles because of its advantages such as heat distortion temperature, high strength, flame retardancy which is not easily ignited, and tough characteristic. For example, it is being applied to manufacturing ultra-light and high-strength parts such as front-end, pedal auxiliary brackets and brake pedals based on PA materials.

또한, 폴리카보네이트(PC)는 엔지니어링 플라스틱 중 유일하게 투명한 성질이 있어 주로 유리를 대체하는 용도로 널리 사용되고 있다.In addition, polycarbonate (PC) is the only engineering plastic that has transparency and is widely used as a substitute for glass.

반면, 자동차 시트는 고급화 추세에 따라, 시트 쿠션의 승차감을 향상시키기 위해서 반발 탄성, 진동특성, 내구성 등이 요구된다. 이러한 시트 쿠션은 금속 스프링과 연질 폴리우레탄 폼으로 이루어지는 패드재를 조합한 것이 일반적이다. 그러나, 자동차의 경량화 구현에 따른 무게감소는 연비향상 및 이산화탄소 배출감소 효과로 에너지 절감 및 환경보호와 밀접한 관계에 있다.On the other hand, the automobile seat is required to have rebound resilience, vibration characteristics, durability, and the like in order to improve ride comfort of the seat cushion in accordance with the trend of increasingly high quality. Such a seat cushion generally comprises a combination of a metal spring and a pad material made of a flexible polyurethane foam. However, weight reduction due to the weight reduction of automobiles is closely related to energy saving and environmental protection by improving fuel efficiency and reducing carbon dioxide emissions.

최근 비용절감이나 경량화 추세에 따라 연질 폼 자체에 스프링 특성을 갖게 함으로써 금속 스프링을 폐지하여, 폼 타입의 자동차용 시트가 채용되는 경향이다. Recently, a foam type automobile seat tends to be adopted by abolishing a metal spring by having a spring property by itself in accordance with the trend of cost reduction or weight saving.

그러나 폼 타입의 자동차용 시트는 금속 스프링을 병용하지 않기 때문에 연질 폴리우레탄 폼의 두께가 두꺼워지는 결과를 초래하며, 폴리우레탄 폼은 제조공정상 인체에 유해한 물질로 제조되며, 이를 자동차 내장재로 사용시에 휘발성 유기화합물(VOC)이 발생함에 따라 인체에 유해하다.However, since the foam sheet for automobiles does not use a metal spring together, the thickness of the flexible polyurethane foam becomes thick, and the polyurethane foam is manufactured as a harmful substance to the normal human body during manufacture, It is harmful to human body as organic compounds (VOC) are generated.

또한, 현재 자동차 내장재로 사용되고 있는 폴리우레탄 쿠션재는 통풍성을 가지지 못해 장시간 착석시 땀이 나기 때문에 쾌적성 측면에서 취약한 점, 리사이클 할 수 없는 점 등이 지적되면서 대체소재 개발이 활발하다.In addition, polyurethane cushioning materials, which are currently used as automobile interior materials, can not be ventilated, resulting in perspiration during sitting for a long time. Therefore, it is pointed out that the material is poor in terms of comfort and that it can not be recycled.

이에, 최근 자동차 관련업체 중심으로 폴리에스테르 섬유를 이용한 쿠션재로 대체하기 위한 노력이 진행되고 있다. Recently, efforts have been made to replace cushioning materials using polyester fibers mainly in automobile-related companies.

대표적인 폴리에스테르 섬유인 폴리에틸렌테레프탈레이트(Poly(ethylene terephthalate, PET)는 디메틸 테레프탈레이트(DMT) 또는 테레프탈릭산(TA)과 에틸렌글리콜(EG)와의 반응에 의해 얻어지며, 물리적, 기계적 성질이 우수한 고분자로서, 섬유로 제조시 고강도, 고탄성률 특성뿐 아니라 내열성과 가공성이 매우 우수한 소재로 알려져 있다. A representative polyester fiber, polyethylene terephthalate (PET), is a polymer obtained by the reaction of dimethyl terephthalate (DMT) or terephthalic acid (TA) with ethylene glycol (EG) , It is known as a material having excellent heat resistance and processability as well as high strength and high modulus of elasticity in production of fibers.

그러나 PET 자체의 성질만으로 고기능성 소재로의 다양한 요구를 충족시키기에는 한계가 있어 PET의 벤젠고리 대신에 나프탈렌 고리로 치환하거나 제 3성분의 2가 알코올을 첨가하여 PET보다 유리전이 온도와 용융 온도가 높고 형태안정성 및 기계적 물성이 우수한 고분자의 개발에 관한 연구가 이루어지고 있다.However, since the properties of PET itself are limited to fulfill various demands for high-functional materials, it is necessary to replace the benzene ring of PET with a naphthalene ring, or to add a divalent alcohol of the third component to a glass transition temperature and a melting temperature Studies on the development of high molecular weight polymers having excellent shape stability and mechanical properties have been conducted.

즉, 폴리에스테르 섬유의 단량체인 이관능성 알코올과 유기산과의 반응에 있어서, 상기 반응화합물 또는 그의 잔기를 변경하여 다양한 폴리에스테르 소재를 개발할 수 있다.That is, in the reaction of the bifunctional alcohol, which is a monomer of the polyester fiber, with the organic acid, various polyester materials can be developed by changing the above-mentioned reactive compound or its residue.

일례로, 미국특허출원 제1990-5447747호에서는 특정의 촉매시스템의 존재 하에서 디메틸 테레프탈레이트와 1,4-사이클로헥산디메탄올 및 최고 40 mol％의 에틸렌 글리콜이 함유된 1,4-사이클로헥산디메틸렌 컴비네이션(combinations) 반응에 의해 폴리(1,4-사이클로헥센디메틸렌 테레프탈레이트)의 제조방법을 개시하고 있다. For example, U.S. Patent Application No. 1990-5447747 discloses a process for the preparation of 1,4-cyclohexanedimethylene, which contains dimethyl terephthalate, 1,4-cyclohexane dimethanol and up to 40 mol% ethylene glycol in the presence of a particular catalyst system Discloses a process for producing poly (1,4-cyclohexedimethylene terephthalate) by combination reactions.

이에, 본 발명자들은 종래 폴리우레탄 쿠션재를 대체하고, 자동차 내장용 쿠션부재 용도에 적합한 물성을 충족할 수 있는 소재를 얻고자 노력한 결과, PCT 소재 섬유에 바인더 섬유를 혼합한 섬유상 기재로 이루어지거나 또는 상기 섬유상 기재가 적어도 2층 이상으로 이루어진 층간에 스페이서 원단을 삽입시켜 자동차 내장용 쿠션부재로 제공하고, 자동차 내장용도에 적합한 물성을 확인함으로써, 본 발명을 완성하였다. Accordingly, the present inventors tried to obtain a material capable of satisfying physical properties suitable for use as a cushion member for automobiles, in place of a conventional polyurethane cushioning material. As a result, the present inventors have found that when a PCT material fiber comprises a fibrous base material mixed with binder fibers, The present inventors have completed the present invention by inserting a spacer fabric between at least two layers of fibrous base material and providing it as a cushioning member for an automobile interior,

본 발명의 목적은 PCT 소재 섬유에 바인더 섬유가 혼합되어 강도가 최적화된 섬유상 기재로 이루어진 자동차 내장용 쿠션부재를 제공하는 것이다. It is an object of the present invention to provide a cushioning member for an automobile, which is made of a fibrous base material in which binder fibers are mixed with PCT material fibers and the strength is optimized.

본 발명의 다른 목적은 상기 섬유상 기재가 적어도 2층 이상으로 이루어진 층간에 스페이서 원단이 삽입된 자동차 내장용 쿠션부재를 제공하는 것이다. Another object of the present invention is to provide an automotive interior cushion member in which a spacer fabric is inserted between layers of at least two fibrous substrates.

상기 목적을 달성하기 위하여, 본 발명은 제1실시형태로서, 폴리(1,4-사이클로헥산디메틸렌 테레프탈레이트)(PCT) 소재 섬유에, 폴리부틸렌테레프탈레이트(PBT), 코폴리(1,4-사이클로헥산디메틸렌 테레프탈레이트(co-PCT) 및 폴리프로필렌(PP)로 이루어진 군에서 선택되는 어느 하나 소재의 바인더 섬유가 혼합된 섬유상 기재로 이루어진 자동차 내장용 쿠션부재를 제공한다. In order to attain the above object, the present invention provides, as a first embodiment, a method for producing a poly (1,4-cyclohexanedimethylene terephthalate) (PCT) fiber comprising a polybutylene terephthalate (PBT) The present invention provides a cushion member for an automobile having a fibrous base material in which binder fibers of any one material selected from the group consisting of 4-cyclohexane dimethylene terephthalate (co-PCT) and polypropylene (PP) are mixed.

본 발명의 바람직한 제2실시형태로는 폴리(1,4-사이클로헥산디메틸렌 테레프탈레이트)(PCT) 소재 섬유의 제1성분과, PBT, co-PCT 및 PP로 이루어진 군에서 선택되는 어느 하나 소재의 바인더 섬유의 제2성분이 방사된 복합섬유가 섬유상 기재로 이루어진 자동차 내장용 쿠션부재를 제공한다. In a second preferred embodiment of the present invention, the first component of the poly (1,4-cyclohexanedimethylene terephthalate) (PCT) fiber and the first component of the PBT, co-PCT and PP Wherein the composite fiber in which the second component of the binder fiber of the second component is spun is a fibrous base material.

상기에서 복합섬유는 심부에 제1성분 및 초부에 제2성분이 방사된 시스-코어형 또는 스킨-코어형이거나, 제1성분 및 제2성분이 각각의 사이드에 배열된 사이드 바이 사이드형이다. The composite fiber is a side-by-side type in which the first component and the second component are radiated in the core portion and the sheath portion, respectively, or the first component and the second component are arranged on the respective sides.

이때, 본 발명의 제1실시형태 또는 제2실시형태의 자동차 내장용 쿠션부재에 있어서, 바인더 섬유는 5 내지 95 중량% 함유된 것이 바람직하며, 이때, 바인더 섬유는 PCT 소재 대비, 용융온도가 20℃이상 낮은 저융점 섬유이다. At this time, in the automotive interior cushion member according to the first or second embodiment of the present invention, the binder fiber is preferably contained in an amount of 5 to 95% by weight, wherein the binder fiber has a melt temperature of 20 ° C or lower.

또한, 본 발명은 바람직한 제3실시형태로서, 본 발명의 제1실시형태 또는 제2실시형태로부터 얻어진 섬유상 기재가 적어도 2 층 이상으로 이루어진 층간에, 스페이서 원단(spacer fabric)이 삽입된 자동차 내장용 쿠션부재를 제공한다. 상기에서 스페이서 원단은 제1실시형태 또는 제2실시형태의 섬유상 기재에 포함되어 있는 바인더 섬유에 의해 층간 접착된다. In addition, the present invention is a third preferred embodiment of the present invention, in which a fibrous base obtained from the first or second embodiment of the present invention is provided between at least two layers, Thereby providing a cushion member. In the above, the spacer fabric is interlayer-bonded by the binder fibers contained in the fibrous base material of the first or second embodiment.

본 발명에 따라, 폴리에스테르 섬유의 반응화합물의 디올 성분으로서, 1,4-사이클로헥산디메틸렌을 사용하여 얻어진 PCT 소재 섬유가 함유된 쿠션부재를 제공함으로써, PCT 소재의 사이클릭 구조로 인해, 종래 PET 소재 대비, 내열성, 내화학성, 탄력성 및 벌키성이 개선된 물성을 구현한다. According to the present invention, by providing the cushion member containing the PCT material fibers obtained by using 1,4-cyclohexane dimethylene as the diol component of the reactive compound of the polyester fiber, It realizes improved physical properties such as heat resistance, chemical resistance, elasticity and warpability compared with PET material.

이에, 본 발명의 쿠션부재는 소재의 변경으로 경량화 추세를 충족하고, 나아가, 상기 PCT 소재 섬유에, 낮은 융점의 바인더 섬유를 혼합한 섬유상 기재로 이루어지거나 또는 상기 섬유상 기재가 적어도 2층 이상으로 이루어진 층간에 스페이서 원단을 삽입한 구조로 제공함으로써, 탄성 및 쿠션재 물성을 최적화시킬 수 있다. Therefore, the cushion member of the present invention is made of a fibrous base material in which binder fibers having a low melting point are mixed with the PCT material fibers, and furthermore, the cushion member made of at least two or more fibrous base materials By providing a structure in which a spacer fabric is interposed between the layers, the elasticity and cushioning properties can be optimized.

도 1은 본 발명의 제1실시형태의 섬유상 기재로 이루어진 자동차 내장용 쿠션부재의 표면 모식도이고,
도 2는 본 발명의 제3실시형태의 자동차 내장용 쿠션부재의 단면 모식도이다. BRIEF DESCRIPTION OF THE DRAWINGS Fig. 1 is a front view of a surface of a cushioning member for an automobile, which is made of a fibrous base material according to a first embodiment of the present invention,
Fig. 2 is a schematic cross-sectional view of a vehicle-mounted cushion member according to a third embodiment of the present invention.

이하, 본 발명을 상세히 설명하고자 한다. Hereinafter, the present invention will be described in detail.

본 발명은 PCT 소재 섬유에, 바인더 섬유가 혼합된 시트형상의 자동차 내장용 쿠션부재를 제공한다. The present invention provides a sheet-like automotive interior cushion member in which binder fibers are mixed with PCT material fibers.

통상의 폴리에스테르 섬유의 단량체인 이관능성 알코올과 유기산과의 반응에 있어서, 반응화합물의 잔기를 변경하여 다양한 소재를 개발할 수 있는데, 본 발명은 상기 이관능성 알코올로서, 1,4-사이클로헥산디메틸렌(CHDM)을 사용하고 디메틸 테레프탈레이트(DMT) 또는 테레프탈릭산(TA)과의 반응에 의해 얻어진 하기 화학식 1로 표시되는 폴리(1,4-사이클로헥산디메틸렌 테레프탈레이트)(PCT) 소재를 기재로 사용한다.In the reaction of a bifunctional alcohol, which is a monomer of a conventional polyester fiber, with an organic acid, various materials can be developed by changing the residues of the reactive compound. In the present invention, as the bifunctional alcohol, 1,4-cyclohexanedimethylene (1,4-cyclohexanedimethylene terephthalate) (PCT) material represented by the following formula (1) obtained by reaction with dimethyl terephthalate (DMT) or terephthalic acid (TA) use.

화학식 1Formula 1

Figure 112013062231013-pat00001
Figure 112013062231013-pat00001

이에, 상기 PCT 소재의 사이클릭 구조로 인해, 종래 PET 소재 대비, 내열성, 내화학성, 탄력성 및 벌키성이 개선된다. 구체적으로는, 종래 PET 소재의 섬유웹의 비중이 1.38인 반면, 본 발명의 PCT 소재의 섬유웹의 비중은 1.23이고 종래 PET 소재의 섬유웹의 용융점이 250℃인 반면, 본 발명의 PCT 소재의 섬유웹의 용융점은 290℃이다. 이에, 본 발명의 PCT 소재가 함유된 부직포 또는 섬유웹은 벌키성은 10% 이상 향상되면서 높은 열 안정성이 구현된다. Accordingly, heat resistance, chemical resistance, elasticity, and bulging property are improved as compared with the conventional PET material due to the cyclic structure of the PCT material. Specifically, the specific gravity of the conventional PET fiber web is 1.38, while the specific gravity of the PCT fiber web of the present invention is 1.23 and the melting point of the conventional PET fiber web is 250 ° C., whereas the PCT material of the present invention The melting point of the fibrous web is 290 ° C. Accordingly, the nonwoven fabric or the fibrous web containing the PCT material of the present invention exhibits high thermal stability with an improvement of the bulkiness of 10% or more.

즉, 종래 PET 소재의 골격 대비, 사이클릭 구조적 특성에 따라, 조밀도가 낮아 우수한 벌키성을 제공받고, 용융점이 높고, 화학안정성이 우수하다. 이에, 본 발명의 자동차 내장용 쿠션부재는 소재자체의 물성 개선으로 경량을 충족하면서, 용도에 요구되는 물성을 충족한다. That is, according to the skeleton of the conventional PET material, the density is low due to the cyclic structural characteristic, so that excellent bulky property is provided, the melting point is high, and the chemical stability is excellent. Accordingly, the automotive interior cushion member of the present invention satisfies the properties required for use while satisfying the light weight by improving the physical properties of the material itself.

구체적으로, 본 발명의 제1실시형태의 자동차 내장용 쿠션부재는 상기의 PCT 소재 섬유에, 폴리부틸렌테레프탈레이트(PBT), 코폴리(1,4-사이클로헥산디메틸렌 테레프탈레이트(co-PCT) 및 폴리프로필렌(PP)로 이루어진 군에서 선택되는 어느 하나의 소재로 이루어진 바인더 섬유가 혼합된 섬유상 기재로 이루어진 자동차 내장용 쿠션부재이며. PCT 소재 섬유의 물성을 유지하면서, 경량 소재에 대한 강도를 최적화시킨다.Specifically, the automotive interior cushion member according to the first embodiment of the present invention is formed by laminating a polybutylene terephthalate (PBT), copoly (1,4-cyclohexanedimethylene terephthalate (co-PCT ) And polypropylene (PP), which are made of a fibrous base material in which binder fibers made of any one material selected from the group consisting of polypropylene (PP) Optimize.

본 발명의 명세서전문에서, "섬유상 기재"라 함은 부직포 또는 섬유웹 구조의 기재를 포괄한다. In the specification of the present invention, the term "fibrous substrate" encompasses a substrate of a nonwoven fabric or a fibrous web structure.

도 1은 본 발명의 제1실시형태의 섬유상 기재(10)로 이루어진 자동차 내장용 쿠션부재의 표면 모식도로서, PCT 소재 섬유(100)에, 폴리부틸렌테레프탈레이트(PBT), 코폴리(1,4-사이클로헥산디메틸렌 테레프탈레이트(co-PCT) 및 폴리프로필렌(PP)로 이루어진 군에서 선택되는 어느 하나의 소재로 이루어진 바인더 섬유(200)가 일정길이로 절단되어 혼합된 구조이다. 1 is a front view of a surface of a cushioning member for an automobile, which is made up of a fibrous base material 10 according to a first embodiment of the present invention. The PCT material fiber 100 is made of polybutylene terephthalate (PBT) A binder fiber 200 made of any one material selected from the group consisting of 4-cyclohexanedimethylene terephthalate (co-PCT) and polypropylene (PP) is cut into a predetermined length and mixed.

또한, 본 발명의 바람직한 제2실시형태로는 폴리(1,4-사이클로헥산디메틸렌 테레프탈레이트)(PCT) 소재 섬유의 제1성분과, PBT, co-PCT 및 PP로 이루어진 군에서 선택되는 어느 하나 소재의 바인더 섬유의 제2성분이 방사된 복합섬유가 섬유상 기재로 이루어진 자동차 내장용 쿠션부재를 제공한다. In a second preferred embodiment of the present invention, the first component of poly (1,4-cyclohexanedimethylene terephthalate) (PCT) fiber and the second component of PBT, co-PCT and PP There is provided a cushion member for an automobile interior, wherein the composite fiber in which the second component of the binder fiber of one material is spun is made of a fibrous base material.

상기에서 복합섬유는 심부에 제1성분 및 초부에 제2성분이 방사된 시스-코어형 또는 스킨-코어형이거나, 제1성분 및 제2성분이 각각의 사이드에 배열된 사이드 바이 사이드형이 바람직하다. The composite fibers are preferably of the cis-core type or the skin-core type in which the first component and the second component are radiated in the core portion and the side-by-side type in which the first component and the second component are arranged on the respective sides, respectively Do.

본 발명의 자동차 내장용 쿠션부재에서, PCT 소재 섬유에 혼합되는 바인더 섬유는 PCT 소재 섬유의 290℃ 융점 대비, 저융점의 섬유소재라면 사용 가능하고, 더욱 구체적으로는 PCT 소재의 섬유 대비, 용융온도차가 20℃이상의 저융점 섬유소재로서, 바람직한 일례로는 폴리부틸렌테레프탈레이트(PBT), 코폴리(1,4-사이클로헥산디메틸렌 테레프탈레이트(co-PCT) 및 폴리프로필렌(PP)로 이루어진 군에서 선택되는 어느 하나가 포함되거나, 그들의 혼합형태로 혼합된 것이다. 이때, 상기 바인더 섬유의 낮은 융점으로 인해 열접착 방법으로 내부결속을 강화시킬 수 있다. In the automotive interior cushioning member of the present invention, the binder fiber to be blended with the PCT material fiber can be used as long as it is a fiber material having a melting point lower than that of the PCT material fiber at a melting point of 290 ° C. More specifically, (PBT), copoly (1,4-cyclohexanedimethylene terephthalate (co-PCT) and polypropylene (PP)) as a low melting point fiber material having a melting point , Or mixed in a mixed form thereof. At this time, due to the low melting point of the binder fiber, internal binding can be enhanced by a thermal bonding method.

이에, 본 발명의 제1실시형태 또는 제2실시형태의 자동차 내장용 쿠션부재에 있어서, 바인더 섬유의 혼합량은 5 내지 95 중량%가 바람직하며, 더욱 바람직하게는 20 내지 50중량%로 함유되는 것이다. 이때, 혼합량이 5중량% 미만이면, 얻어진 부직포 또는 섬유웹의 강도개선효과가 미흡하고, 95중량%를 초과하면, 바인더 섬유간 결속이 너무 커서 쿠션부재로 사용하기에 적합하지 않으며, 주성분인 PCT 소재의 함량이 줄어 그로부터 얻을 수 있는 내열성, 내화학성, 탄력성, 벌키성 등의 물성을 기대할 수 없게 된다. Accordingly, in the automotive interior cushion member according to the first or second embodiment of the present invention, the mixing amount of the binder fibers is preferably 5 to 95 wt%, more preferably 20 to 50 wt% . If the mixing amount is less than 5 wt%, the effect of improving the strength of the resultant nonwoven fabric or the fibrous web is insufficient. When the amount exceeds 95 wt%, the binding between the binder fibers is too large to be suitable for use as a cushion member. The content of the material is reduced and the properties such as heat resistance, chemical resistance, elasticity, and bulging property that can be obtained therefrom can not be expected.

또한, 본 발명은 바람직한 제3실시형태의 자동차 내장용 쿠션부재는 본 발명의 제1실시형태 또는 제2실시형태로부터 얻어진 섬유상 기재가 적어도 2 층 이상으로 이루어진 층간에 스페이서 원단이 삽입된 자동차 내장용 쿠션부재를 제공한다.The automotive interior cushion member according to the third preferred embodiment of the present invention is a cushion member for an automobile interior with a spacer fabric inserted between at least two layers of fibrous base materials obtained from the first or second embodiment of the present invention Thereby providing a cushion member.

도 2는 본 발명의 제3실시형태의 자동차 내장용 쿠션부재(1')의 단면 모식도로서, PCT 소재 섬유에 바인더 섬유가 혼합된 섬유상 기재(10, 11)의 2개 층이 적층된 구조에서, 스페이서 원단(13)이 층간 삽입된 다층구조를 특징으로 한다. 또한, 상기 다층구조의 쿠션부재는 추가의 스페이서 원단(13')과 PCT 소재 섬유에 바인더 섬유가 혼합된 섬유상 기재(12)가 더 형성될 수 있다. Fig. 2 is a schematic cross-sectional view of a cushion member 1 'for an automobile according to a third embodiment of the present invention, in which two layers of fibrous substrates 10, 11 in which binder fibers are mixed with PCT material fibers are laminated , And the spacer fabric 13 are interlaminarly interposed. Further, the above-mentioned multi-layered cushioning member may further include a fibrous base material 12 in which a binder fiber is mixed with the additional spacer fabric 13 'and the PCT material fibers.

본 발명의 제3실시형태의 자동차 내장용 쿠션부재에서 스페이서 원단(13, 13')은 용융점이 290℃인 PCT 소재 섬유 대비, 그보다 낮은 200∼290℃의 융점을 충족시킬 수 있는 공지의 소재라면 사용 가능하다. In the cushion member for an automobile interior according to the third embodiment of the present invention, the spacer raw materials 13 and 13 'are made of a material having a melting point of 200 to 290 ° C lower than that of PCT material fibers having a melting point of 290 ° C Available.

본 발명의 가장 바람직한 일례로서, 실시예에서는 PCT 소재 섬유의 주성분에, PBT, co-PCT 및 PP로 이루어진 군에서 선택되는 어느 하나가 부성분으로 공중합된 형태로서, PCT/PBT, PCT/co-PCT 또는 PCT/PP로 이루어진 스페이서 원단이 사용되고 있으나, 이에 한정되지는 아니할 것이고, 저융점의 폴리에스테르 섬유 사용도 가능하다.As a most preferred example of the present invention, PCT / PBT, PCT / co-PCT, PCT / PCT, PCT / PCT and PCT / PCT copolymers were prepared by copolymerizing one of the main components of the PCT material fibers selected from the group consisting of PBT, co- Or PCT / PP is used, but the present invention is not limited thereto, and it is also possible to use a polyester fiber having a low melting point.

구체적으로 상기 저융점의 폴리에스테르 섬유로 이루어진 스페이스 원단은 200∼290℃의 융점을 가지도록 개질된 폴리에스테르 섬유를 사용할 수 있다. Specifically, the polyester fiber having the melting point of 200 to 290 DEG C may be used as the space fabric made of the low melting point polyester fiber.

본 발명의 제3실시형태의 자동차 내장용 쿠션부재(1')에 있어서, 스페이서 원단은 2개의 분리된 섬유상 기재와 이들을 연결하는 스페이서층으로 구성된 3차원의 구조로 형성된다. 스페이서 원단의 가장 주된 특징은 압축저항성으로, 이를 이용하여 의료용, 신발 및 스포츠용 소재로 활용 가능하며, 산업용 복합재료 및 콘크리트 보강재 등으로 폭 넓은 응용이 가능하다. 특히, 스페이서층으로 인해 경량화 및 통기성을 확보할 수 있다. In the automotive interior cushion member 1 'of the third embodiment of the present invention, the spacer end is formed in a three-dimensional structure composed of two separated fibrous bases and a spacer layer connecting them. The most important feature of the spacer fabric is compression resistance, which can be used for medical, shoe and sports materials, and can be widely applied to industrial composite materials and concrete reinforcing materials. Particularly, the weight reduction and air permeability can be secured by the spacer layer.

이때, 본 발명의 제3실시형태의 자동차 내장용 쿠션부재(1')에서 층간 접착방식은 열접착방식 단독; 또는 니들펀칭 방식에 열풍접착 또는 니들펀칭방식의 조합;에 의해 수행할 수 있으며, 쿠션부재에 압축강도를 제공한다. At this time, in the automotive interior cushion member 1 'according to the third embodiment of the present invention, the interlayer bonding method is a heat bonding method alone; Or a combination of a hot-air bonding or a needle punching method in a needle punching method, and provides a compressive strength to the cushioning member.

또한, 이상의 물성에 의해 본 발명의 쿠션부재는 철도차량, 선박, 항공기 등의 내장용 쿠션부재, 인테리어 가구용 쿠션부재 등에 사용할 수 있다.
Further, due to the above physical properties, the cushion member of the present invention can be used for a built-in cushion member for a railway vehicle, a ship, an aircraft, etc., and a cushion member for an interior furniture.

이하, 실시예를 통하여 본 발명을 보다 상세히 설명하고자 한다. Hereinafter, the present invention will be described in more detail with reference to Examples.

본 실시예는 본 발명을 보다 구체적으로 설명하기 위한 것이며, 본 발명의 범위가 이들 실시예에 한정되는 것은 아니다. The present invention is intended to more specifically illustrate the present invention, and the scope of the present invention is not limited to these embodiments.

<< 실시예Example 1>  1>

PCT 소재의 섬유(융점 290℃) 80 중량% 및 저융점 PBT(poly-butylene-terephthalate) 섬유(융점 225℃) 20 중량%를 혼섬하고 니들펀칭 공법에 의해 부직포 프리폼을 수득하고, 상기 혼섬된 웹을 상하온도가 200℃로 유지되고, 벨트속도 1.0m/min인 더블벨트프레스에서 열접착시켜 섬유상 기재를 확보하였다. 80% by weight of fibers of a PCT material (melting point 290 DEG C) and 20% by weight of low-melting point polybutylene-terephthalate (PBT) fibers (melting point 225 DEG C) were blended to obtain a nonwoven preform by a needle punching method, Was kept at 200 DEG C at the upper and lower temperatures and thermally adhered in a double belt press at a belt speed of 1.0 m / min to secure a fibrous base material.

<< 실시예Example 2>  2>

PCT 소재의 섬유(융점 290℃) 80 중량%에, PBT(poly-butylene-terephthalate) 섬유(융점 225℃) 10 중량%와 co-PCT(co-poly 1,4-cyclohexanedimethanol terephthalat) 섬유(융점 220℃) 10 중량%가 혼섬되는 것을 제외하고는, 상기 실시예 1과 동일하게 수행하여 쿠션부재를 제조하였다. 10 wt% of poly-butylene-terephthalate (PBT) fiber (melting point 225 캜) and co-poly (1,4-cyclohexanedimethanol terephthalate) fiber (melting point 220 Deg.] C) was mixed with 10 wt% of the cushioning material.

<< 실시예Example 3>  3>

PCT 수지 및 PP 수지를 개별 방사노즐에 유입하여 방사속도 600m/min의 방사조건에서 용융 방사한 후, 3.5배 연신하고 120℃에서 열처리하여 PCT/PP형태의 시스-코어형 복합섬유를 제조하였다. 이때, PCT 수지 및 PP 수지간의 혼합비율은 70:30 중량비율로 제조하였다. 상기 제조된 시스-코어형 복합섬유로 이루어진 웹을 상하온도가 200℃로 유지되고, 벨트속도 1.0m/min인 더블벨트프레스에서 열접착시켜 섬유상 기재를 형성하였다.PCT resin and PP resin were introduced into individual spinning nozzles and melt-spun at a spinning rate of 600 m / min. The fibers were then drawn 3.5 times and heat-treated at 120 ° C to produce PCT / PP type cis-core type conjugate fibers. At this time, the mixing ratio between the PCT resin and the PP resin was 70:30 by weight. The fibrous substrate was formed by thermally adhering a web made of the sheath-core type conjugate fiber at a vertical temperature of 200 캜 at a belt speed of 1.0 m / min in a double belt press.

<< 실시예Example 4>  4>

PCT 수지 및 PP 수지를 사이드-바이-사이드형 방사노즐이 구비된 압출기에 넣어 용융방사하는 것을 제외하고는, 상기 실시예 3과 동일한 방사조건으로 수행하여 사이드-바이-사이드형의 복합섬유를 제조하고, 상기 실시예 3과 동일한 공정으로 섬유상 기재를 형성하였다. Side-by-side type composite fiber was produced by carrying out spinning under the same spinning conditions as in Example 3, except that the PCT resin and the PP resin were melt-spun into an extruder equipped with a side-by-side spinning nozzle , And a fibrous substrate was formed by the same process as in Example 3 above.

<< 실시예Example 5>  5>

PCT 소재의 섬유(융점 290℃)를 함유한 실시예 1의 섬유상 기재의 일면에, PCT/PBT의 스페이서 원단을 적층하고, 그 상부에 PCT 소재의 섬유(융점 290℃) 를 함유한 상기 섬유상 기재를 추가 적층하고 열프레스를 이용하여 층간 접착시켜 쿠션부재를 제조하였다. A spacer material of PCT / PBT was laminated on one side of the fibrous substrate of Example 1 containing fiber of PCT material (melting point 290 ° C), and a fiber material of PCT material (melting point 290 ° C) Were laminated and interlaminar bonded using a hot press to produce a cushion member.

<< 실시예Example 6>  6>

상기 실시예 5의 다층구조에서 적층된 섬유상 기재를 300회/mim/㎠ 니들펀칭한 후, 200℃의 열풍접착방식으로 제조하는 것을 제외하고는 동일하게 수행하여 쿠션부재를 제조하였다.The cushion member was manufactured in the same manner as in Example 5, except that the laminated fibrous base material was needle-punched at 300 times / mim / cm 2 and then hot-air bonded at 200 ° C.

<< 비교예Comparative Example 1> 1>

폴리에틸렌테레프탈레이트(PET) 섬유(웅진케미칼사, 단사섬도 7 데니어)에, LM PET(단사섬도 6 데니어)를 8:2의 중량 혼섬하여 섬유웹을 형성한 것을 제외하고는, 상기 실시예 1과 동일하게 수행하였다. Except that a fibrous web was formed by weight-mixing LM PET (single yarn fineness of 6 denier) at 8: 2 with polyethylene terephthalate (PET) fiber (Woongjin Chemical Co., Ltd., monosan fineness 7 denier) .

<< 실험예Experimental Example 1> 중량 및 두께 측정  1> Weight and thickness measurement

실시예 1 내지 4에서 제조된 쿠션부재의 중량 및 두께에 대하여, 그 결과를 하기 표 1에 기재하였다. The results of the weight and thickness of the cushion members manufactured in Examples 1 to 4 are shown in Table 1 below.

Figure 112013062231013-pat00002
Figure 112013062231013-pat00002

상기 표 1의 결과로부터, 단층 및 동일두께조건 대비, 본 발명의 실시예 1 내지 4에서 제조된 쿠션부재는 비교예 1 대비 경량성이 확인되었다. 특히, PET 섬유로 이루어진 비교예 1 대비 10%이상 저중량으로 제조되어 단위밀도가 낮은 쿠션부재를 제조할 수 있었다. From the results of Table 1, it was confirmed that the cushion members prepared in Examples 1 to 4 of the present invention were lightweight compared to Comparative Example 1, compared with the single layer and the same thickness condition. Particularly, a cushion member having a low unit density can be manufactured with a weight of 10% or more lower than that of Comparative Example 1 made of PET fiber.

반면에, 본 발명의 실시예 5 및 실시예 6에서 제조된 다층구조의 쿠션부재는 스페이서 원단과의 복합화를 통해 보다 두꺼운 형태의 쿠션패드를 제작할 수 있으며, 쿠션재로서의 물성을 충족하였다. On the other hand, the cushion members of the multilayer structure manufactured in the fifth and sixth embodiments of the present invention can be made into a thicker cushion pad through compounding with the spacer fabric, and the cushion pad has satisfied the physical properties as a cushioning material.

<< 실험예Experimental Example 2> 물성측정  2> Measurement of physical properties

상기 실시예 1 내지 실시예 6에서 제조된 쿠션부재에 대한 경도, 압축영구줄음율, 공기투과도, 압축회복률 등을 측정하여 쿠션재에 활용가능한지 여부를 판정하였다. 이때, 경도는 부직포 두께의 70%까지 압축하였을 때 부과되는 하중을 측정한 것이며, 압축영구줄음율은 KS M 6672에 의거하여 70℃에서 22시간 동안 부직포 두께의 50%까지 가압한 후, 실온에서 30분 회복시킨 후의 잔류영구변형을 측정한 수치이다. The hardness, compression set, air permeability, compression recovery rate, and the like of the cushion members manufactured in Examples 1 to 6 were measured to determine whether they were applicable to cushioning materials. The hardness of the nonwoven fabric was measured to be 70% of the thickness of the nonwoven fabric. The compression set length was measured at 70 ° C. for 22 hours to 50% of the nonwoven fabric thickness according to KS M 6672, The residual permanent deformation after 30 minutes of recovery was measured.

또한, 공기통기도는 프라지어법(Frazier Method)에 의해 125Pa의 압력에서 공기투과량을 측정하였으며, 압축회복률은 측정기기(Kawabata Evaluation System-FB3)를 이용하여 부직포를 50gf/cm2으로 압축한 후 회복정도를 측정한 수치이다.The air permeability was measured by the Frazier method at a pressure of 125 Pa. The compression recovery rate was measured by compressing the nonwoven fabric to 50 gf / cm 2 using a measuring device (Kawabata Evaluation System-FB3) .

Figure 112013062231013-pat00003
Figure 112013062231013-pat00003

상기 결과로부터, 본 발명의 실시예 1 내지 실시예 4에서 제조된 PCT 소재를 함유한 섬유상 기재로 사용한 경우, PET 섬유로 제조된 비교예 1의 쿠션부재와 대비할 때, 경도는 감소하여 부드러운 압축감을 부여할 수 있음을 확인하였다. 또한, 압축회복률이 증가하고 이로 인하여 압축영구줄음률 또한 감소하는 물성 개선을 확인하였다. From the above results, it can be seen that when used as a fibrous base material containing the PCT material prepared in Examples 1 to 4 of the present invention, the hardness is reduced and the soft compression feeling is reduced as compared with the cushioning material of Comparative Example 1 made of PET fiber As well. In addition, the compression recovery rate is increased and the permanent dulling ratio is also decreased.

또한 동일방법으로 제조된 비교예와 실시예를 검토하였을 때, 실시예의 경우 경도와 압축영구줄음율이 낮고 압축회복률은 높게 나타나 부드러운 쿠션감과 함께 고온고압의 장시간 압축에 대한 영구변형은 적으며 순간적인 회복성은 뛰어나서 쿠션재로서의 가능성을 확인하였다. In addition, when the comparative examples and the examples prepared by the same method are examined, the hardness and compression set ratio of the examples are low and the compression recovery rate is high, and the permanent deformation for long time compression at high temperature and high pressure is small, The recoverability was excellent, confirming the possibility as a cushioning material.

특히, 다층구조의 쿠션부재로 제조된 실시예 5 및 실시예 6의 경우, 높은 경도 수치를 확인하였다. 이러한 결과는 PCT 소재의 섬유상 기재 층간에 스페이서 원단을 삽입하여 높은 결속력을 제공하였다. Particularly, in the case of Example 5 and Example 6 made of a cushion member having a multilayer structure, a high hardness value was confirmed. These results showed that the spacer fabric was inserted between the fibrous base layers of the PCT material to provide a high binding force.

또한 이러한 다층구조 쿠션부재는 압축회복률 및 압축영구줄음율에서는 가장 우수한 물성을 나타내었으며, 특히 실시예 6의 경우는 얻어진 쿠션부재 웹이 니들펀칭 공정에 의해 다져지는 효과에 의해 경도향상을 확인함에 따라 내구성 확보를 확인할 수 있었다.In addition, in the case of Example 6, it was confirmed that the obtained cushion member web improved in hardness by the effect of compacting by the needle punching process And durability was confirmed.

상기에서 살펴본 바와 같이, 본 발명은 PET 소재 섬유 대비, 내열성, 내화학성, 탄력성 및 벌키성이 우수한 PCT 소재에 바인더 섬유가 혼합된 섬유상 기재로 이루어지거나 또는 상기 섬유상 기재가 적어도 2층 이상으로 이루어진 층간에 스페이서 원단이 삽입된 다층구조의 자동차 내장용 쿠션부재를 제공하였다. As described above, the present invention relates to a fiber-based material in which binder fibers are mixed with a PCT material excellent in heat resistance, chemical resistance, elasticity, and warpability compared to PET material fibers, And a spacer fabric is inserted into the cushion member.

특히, 본 발명의 쿠션부재는 섬유상 기재의 소재 변경으로 채택된 PCT 소재 섬유가 PET 보다 높은 내열성, 내화학성, 탄성력 및 벌키성으로 인하여, 경량화 및 높은 탄성회복률을 충족함으로써, 자동차 내장용도에 적합하다.Particularly, the cushion member of the present invention is suitable for interior purpose of automobiles because the PCT material fibers adopted for the change of the material of the fibrous base materials are lightweight and satisfy the high elastic recovery rate due to heat resistance, chemical resistance, elasticity, .

또한, 철도차량, 선박, 항공기 등의 내장용 쿠션부재, 인테리어 가구용 쿠션부재 등에 사용할 수 있다.
In addition, it can be used for interior cushion members for railway vehicles, ships and aircraft, and cushion members for interior furniture.

이상에서 본 발명은 기재된 구체예에 대해서만 상세히 설명되었지만 본 발명의 기술사상 범위 내에서 다양한 변형 및 수정이 가능함은 당업자에게 있어서 명백한 것이며, 이러한 변형 및 수정이 첨부된 특허청구범위에 속함은 당연한 것이다.While the invention has been shown and described with reference to certain exemplary embodiments thereof, it will be understood by those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention as defined by the appended claims.

10, 11, 12: PCT 소재 섬유에 바인더 섬유가 혼합된 섬유상 기재
13, 13': 스페이서 원단
100: PCT 소재 섬유
200: 바인더 섬유
1': 쿠션부재10, 11, 12: fibrous materials in which binder fibers are mixed with PCT material fibers
13, 13 ': Spacer fabric
100: PCT material fiber
200: binder fiber
1 ': Cushion member

Claims (8)

폴리(1,4-사이클로헥산디메틸렌 테레프탈레이트)(PCT) 소재 섬유에, 폴리부틸렌테레프탈레이트(PBT), 코폴리(1,4-사이클로헥산디메틸렌 테레프탈레이트(co-PCT) 및 폴리프로필렌(PP)로 이루어진 군에서 선택되는 어느 하나 소재의 바인더 섬유가 혼합된 섬유상 기재,
상기 섬유상 기재가 적어도 2 층 이상 적층된 섬유웹 및
상기 섬유웹 층간에 PCT/PBT, PCT/co-PCT 및 PCT/PP로 이루어진 군에서 선택되는 어느 하나의 스페이서 원단으로 이루어진 스페이서층이 삽입된 자동차 내장용 쿠션부재.Polybutylene terephthalate (PBT), copoly (1,4-cyclohexanedimethylene terephthalate) (PCT), and polypropylene (PCT) (PP) are mixed with a binder fiber of any one material selected from the group consisting of PP,
A fibrous web in which at least two fibrous substrates are laminated, and
Wherein a spacer layer made of any one of spacer fabrics selected from the group consisting of PCT / PBT, PCT / co-PCT, and PCT / PP is inserted between the fibrous web layers. 폴리(1,4-사이클로헥산디메틸렌 테레프탈레이트)(PCT) 소재 섬유가 제1성분에, PBT, co-PCT 및 PP로 이루어진 군에서 선택되는 어느 하나 소재의 바인더 섬유가 제2성분으로 방사된 복합섬유로 이루어진 섬유상 기재,
상기 섬유상 기재가 적어도 2 층 이상 적층된 섬유웹 및
상기 섬유웹 층간에 PCT/PBT, PCT/co-PCT 및 PCT/PP로 이루어진 군에서 선택되는 어느 하나의 스페이서 원단으로 이루어진 스페이서층이 삽입된 자동차 내장용 쿠션부재.Wherein the binder fiber of any one material selected from the group consisting of PBT, co-PCT and PP is dispersed in the first component and the poly (1,4-cyclohexanedimethylene terephthalate) (PCT) A fibrous substrate made of composite fibers,
A fibrous web in which at least two fibrous substrates are laminated, and
Wherein a spacer layer made of any one of spacer fabrics selected from the group consisting of PCT / PBT, PCT / co-PCT, and PCT / PP is inserted between the fibrous web layers. 제2항에 있어서, 상기 복합섬유가 심부에 제1성분 및 초부에 제2성분이 방사된 시스-코어형 또는 스킨-코어형인 것을 특징으로 하는 상기 자동차 내장용 쿠션부재.The automotive interior cushion member according to claim 2, wherein the composite fiber is a cis-core type or a skin-core type in which a first component is spun at the core portion and a second component is spun at the beginning portion. 제2항에 있어서, 상기 복합섬유가 제1성분 및 제2성분이 각각의 사이드에 배열된 사이드 바이 사이드형인 것을 특징으로 하는 상기 자동차 내장용 쿠션부재.The automotive interior cushion member according to claim 2, wherein the composite fiber is a side-by-side type in which the first component and the second component are arranged on respective sides. 제1항 또는 제2항에 있어서, 상기 바인더 섬유가 5 내지 95 중량% 함유된 것을 특징으로 하는 상기 자동차 내장용 쿠션부재.The automotive interior cushion member according to claim 1 or 2, wherein the binder fibers are contained in an amount of 5 to 95% by weight. 제1항 또는 제2항에 있어서, 상기 바인더 섬유가 PCT 소재 섬유 대비, 용융온도가 20℃이상의 낮은 저융점 섬유인 것을 특징으로 하는 상기 자동차용 내장용 쿠션부재.The cushioning member for a car according to claim 1 or 2, wherein the binder fiber is a low melting point fiber having a melting temperature lower than the melting point of the PCT material fiber by 20 占 폚 or more. 삭제delete 제1항에 있어서, 상기 스페이서 원단이 열접착방식 단독; 또는 니들펀칭 방식에 열풍접착 또는 니들펀칭방식의 조합;에 의해 섬유상 기재와 층간 접착된 것을 특징으로 하는 상기 자동차 내장용 쿠션부재.2. The method of claim 1, wherein the spacer fabric is a heat bonding method alone; Or a combination of a hot-air bonding method or a needle punching method to a needle punching method.
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