KR101448385B1 - Composite non-woven fabric comprising a composition derived from a plant and manufacturing method thereof - Google Patents

Composite non-woven fabric comprising a composition derived from a plant and manufacturing method thereof Download PDF

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KR101448385B1
KR101448385B1 KR1020130057059A KR20130057059A KR101448385B1 KR 101448385 B1 KR101448385 B1 KR 101448385B1 KR 1020130057059 A KR1020130057059 A KR 1020130057059A KR 20130057059 A KR20130057059 A KR 20130057059A KR 101448385 B1 KR101448385 B1 KR 101448385B1
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South Korea
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nonwoven fabric
component
core
filaments
plant
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KR1020130057059A
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Korean (ko)
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박서진
김동욱
윤제득
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도레이첨단소재 주식회사
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Priority to KR1020130057059A priority Critical patent/KR101448385B1/en
Priority to CN201410200226.6A priority patent/CN104178933B/en
Priority to JP2014105102A priority patent/JP6433152B2/en
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    • DTEXTILES; PAPER
    • D04BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04HMAKING 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
    • D04H3/00Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length
    • D04H3/005Synthetic yarns or filaments
    • D04H3/007Addition polymers
    • DTEXTILES; PAPER
    • D01NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01DMECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
    • D01D5/00Formation of filaments, threads, or the like
    • D01D5/28Formation of filaments, threads, or the like while mixing different spinning solutions or melts during the spinning operation; Spinnerette packs therefor
    • D01D5/30Conjugate filaments; Spinnerette packs therefor
    • D01D5/34Core-skin structure; Spinnerette packs therefor
    • DTEXTILES; PAPER
    • D01NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01FCHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
    • D01F8/00Conjugated, i.e. bi- or multicomponent, artificial filaments or the like; Manufacture thereof
    • D01F8/04Conjugated, i.e. bi- or multicomponent, artificial filaments or the like; Manufacture thereof from synthetic polymers
    • D01F8/06Conjugated, i.e. bi- or multicomponent, artificial filaments or the like; Manufacture thereof from synthetic polymers with at least one polyolefin as constituent
    • DTEXTILES; PAPER
    • D04BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04HMAKING 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
    • D04H13/00Other non-woven fabrics
    • DTEXTILES; PAPER
    • D04BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04HMAKING 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
    • D04H3/00Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length
    • D04H3/08Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length characterised by the method of strengthening or consolidating
    • D04H3/10Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length characterised by the method of strengthening or consolidating with bonds between yarns or filaments made mechanically
    • D04H3/105Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length characterised by the method of strengthening or consolidating with bonds between yarns or filaments made mechanically by needling
    • DTEXTILES; PAPER
    • D04BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04HMAKING 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
    • D04H3/00Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length
    • D04H3/08Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length characterised by the method of strengthening or consolidating
    • D04H3/14Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length characterised by the method of strengthening or consolidating with bonds between thermoplastic yarns or filaments produced by welding
    • D04H3/153Mixed yarns or filaments
    • DTEXTILES; PAPER
    • D10INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
    • D10BINDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
    • D10B2321/00Fibres made from polymers obtained by reactions only involving carbon-to-carbon unsaturated bonds
    • D10B2321/02Fibres made from polymers obtained by reactions only involving carbon-to-carbon unsaturated bonds polyolefins
    • D10B2321/021Fibres made from polymers obtained by reactions only involving carbon-to-carbon unsaturated bonds polyolefins polyethylene
    • DTEXTILES; PAPER
    • D10INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
    • D10BINDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
    • D10B2321/00Fibres made from polymers obtained by reactions only involving carbon-to-carbon unsaturated bonds
    • D10B2321/02Fibres made from polymers obtained by reactions only involving carbon-to-carbon unsaturated bonds polyolefins
    • D10B2321/022Fibres made from polymers obtained by reactions only involving carbon-to-carbon unsaturated bonds polyolefins polypropylene
    • DTEXTILES; PAPER
    • D10INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
    • D10BINDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
    • D10B2401/00Physical properties
    • D10B2401/12Physical properties biodegradable

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

Abstract

The present invention relates to an eco-friendly composite long fiber nonwoven fabric containing a composition derived from a plant and to a manufacturing method thereof. The method for manufacturing an eco-friendly composite long fiber nonwoven fabric containing a composition derived from a plant according to the present invention is a method for manufacturing a nonwoven fabric by spraying filaments constituting the nonwoven fabric in the shape of a sheath and a core, stacking the spun filaments on top of a belt to form a web, and performing thermo-compression or needle punching. The filaments are spun from two separate beams, A and B, in the shape of a sheath and a core. In beam A, the core component is polypropylene, the sheath component is polyethylene derived from a plant and the ratio of the core component to the sheath component is 50:50 to 80:20. In beam B, the core component is polypropylene, the sheath component is polyethylene derived from petroleum and the ratio of the core component to the sheath component is 50:50. The eco-friendly composite long fiber nonwoven fabric containing a composition derived from a plant, as configured above, uses filaments constituting the nonwoven fabric that is spun by two separate beams to have different compositions, thus stabilizing a process from the melt spinning of filament to web formation and mitigates the generation of cut yarn. Therefore, process stability is improved to increase the productivity of the eco-friendly nonwoven fabric and solve existing problems by improving properties such as tensile strength and stiffness.

Description

식물유래 조성물을 함유하는 친환경성 복합 장섬유 부직포 및 그 제조방법{Composite non-woven fabric comprising a composition derived from a plant and manufacturing method thereof}TECHNICAL FIELD [0001] The present invention relates to an environmentally friendly composite filament nonwoven fabric containing a plant-derived composition and a method for producing the same.

본 발명은 식물유래 조성물을 함유하는 친환경성 복합 장섬유 부직포 및 그 제조방법에 대한 것으로, 보다 자세하게는 부직포를 구성하는 폴리머에 식물에서 추출한 에탄올을 정제하여 만든 폴리에틸렌을 함유시키므로서 비석유계 폴리머의 사용에 따른 이산화탄소 발생량 저감 효과와 함께 부직포의 촉감을 좋게 하는 복합 친환경 장섬유 부직포를 특정한 구조로 제조하는 방법을 제공하여 기존 식물유래 조성물을 함유한 복합 친환경 부직포의 생산성 및 물성을 향상킬 수 있는, 식물유래 조성물을 함유하는 친환경성 복합 장섬유 부직포 및 그 제조방법에 대한 것이다.
TECHNICAL FIELD The present invention relates to an environmentally friendly composite filament nonwoven fabric containing a plant-derived composition and a method for producing the same. More specifically, the present invention relates to a polymer composed of a nonwoven fabric and polyethylene produced by purifying ethanol extracted from a plant. Which is capable of improving the productivity and physical properties of the composite environmentally friendly nonwoven fabric containing the existing plant-derived composition by providing a composite eco-friendly long-fiber nonwoven fabric having a specific structure, which improves the feel of the nonwoven fabric, Based composite nonwoven fabric comprising a composition derived from the composition and a method of producing the same.

환경오염에 따른 지구의 온난화가 가속화됨에 따라 이를 해결하기 위한 친환경 소재의 발굴 및 적용이 꾸준히 진행되어 오고 있으며, 특히 화석연료로부터 생산되는 폴리머는 그 매장량에 있어 한계가 있으며 이산화탄소의 배출량이 높아 친환경 소재로의 대체가 시급한 상황에 직면해 있다. 그러나, 기존의 친환경 소재는 생분해성에 주로 그 초점을 두고 제품이 개발되어 오면서 소재가 가진 고유 특성인 가수분해나 방사성 불량, 딱딱한 촉감 등의 이유로 인해 실제 상용화하기에는 개선이 필요한 부분이 많다는 단점이 있었다. As global warming accelerates due to environmental pollution, eco-friendly materials have been steadily developed and applied to solve this problem. In particular, polymers produced from fossil fuels have limitations in their reserves, and because of the high emission of carbon dioxide, Is facing an urgent situation. However, as the existing eco-friendly materials have been mainly developed for biodegradability, there have been disadvantages in that there are many parts that need improvement in order to commercialize them due to hydrolysis, radioactive defect, and hard touch, which are inherent characteristics of the material.

따라서, 이러한 단점을 개선하기 위한 다양한 방법들이 제안되었는데, 폴리에틸렌 폴리머를 사용하는 것으로 예를 들어 대한민국 특허출원 제2002-0046821호에서는 종래의 폴리프로필렌 장섬유 스펀본드 부직포의 촉감을 개선하기 위해 폴리에틸렌 폴리머와 복합방사하여 제조된 부직포 및 그 제조방법을 개시하였으나, 상기 방법은 폴리에틸렌 및 폴리프로필렌 모두 석유계 폴리머를 사용함으로써 친환경소재라 볼 수 없으며, 일본국 특개평 7-48769호 및 일본국 특개평 6-264343호에서는 장섬유들이 용융 압출되고 스크린에 적층되어 부직 웹을 형성하는 스펀본드 기술의 폴리유산 부직포에 대해 기술하고 있으나, 상기 일본국 특개평 7-48769호에서는 폴리유산 부직포가 스펀본드 기술을 통해 생산가능하다는 것만 간단하게 제시되어 있고 구체적인 제조방법이나 성능에 대해서는 기재되어 있지 않으며, 일본국 특개평 6-264343호에서는 미생물 분해성 농업용 장섬유 집합체에 관해 나타나 있지만, 제조조건에 대한 세부적인 언급은 물론, 부직포의 물리적인 성질 또한 기술되어 있지 않다. 또한, 상기 발명들에서 사용된 친환경 소재 폴리머의 경우, 최근 개도국을 중심으로 한 식량부족 사태, 아마존 강 유역 등의 삼림파괴 문제 등이 촉발되면서 세계적인 논란의 중심에 선 소재로 장기적인 안목에서 사용을 재고해 볼 필요가 있는 제조방법으로, 새로운 소재 및 방법에 따른 친환경성 부직포에 대한 요구가 있는 실정이었다.Accordingly, various methods for improving the above disadvantages have been proposed. For example, Korean Patent Application No. 2002-0046821 discloses a method for improving the tactile sensation of a conventional polypropylene long-fiber spunbond nonwoven fabric by using a polyethylene polymer However, this method can not be regarded as an eco-friendly material by using a petroleum-based polymer in both polyethylene and polypropylene, and Japanese Unexamined Patent Publication No. 7-48769 and Japanese Patent Application Laid- 264343 describes polyunsaturated nonwoven fabrics of spunbond technology in which long fibers are melt extruded and laminated to a screen to form a nonwoven web. In Japanese Patent Application Laid-Open No. 7-48769, polyunsaturated nonwoven fabrics are produced by spunbond technology It is simply shown that production is feasible, It is not described for the performance or, in the Japanese Unexamined Patent Publication No. 6-264343, but appeared on pages microorganism degradable agricultural fiber aggregate, detailed reference to the production conditions, as well as physical properties of the nonwoven fabric also has not been described. In addition, in the case of the eco-friendly material polymer used in the above-mentioned inventions, as a result of food shortages mainly in developing countries and forest destruction problems such as the Amazon river basin, and the like, There has been a demand for an environmentally friendly nonwoven fabric according to new materials and methods.

따라서, 이러한 문제를 해결하기 위해 본 발명자 등은 대한민국 특허출원번호 제2011-0039493호에서, "부직포를 구성하는 필라멘트를 심초형으로 하여 심성분에는 폴리프로필렌을 위치시키고, 초 성분에는 식물에서 유래한 폴리에틸렌을 위치시켜 복합 장섬유 스펀본드 부직포를 제조하는 방법으로, 상기 방법은 상기 심성분과 상기 초성분을 각각 별개의 익스트루더로 용융시켜 각각의 폴리머를 복합방사 노즐로 방사한 후 방사된 필라멘트에 냉각공기를 부여하여 고체화시킨 후, 고체화된 필라멘트를 연신과정을 통해 작은 섬유 직경을 가지는 연신 필라멘트로 하는 단계; 상기 연신 필라멘트를 연속적으로 구동되는 다공성 스크린 벨트에 집적하여 부직포 웹을 형성하는 단계; 및 상기 집적된 부직포 웹을 열접착과 같은 다양한 방법으로 결합하여 부직포 웹의 형태안정성을 부여하는 단계를 포함함을 특징으로 하는 식물유래 조성물을 함유한 복합 친환경 장섬유 부직포의 제조방법"을 개시하였다.In order to solve this problem, the inventors of the present invention have disclosed in Korean Patent Application No. 2011-0039493 that "a filament constituting a nonwoven fabric is made into a core-sheath type, polypropylene is placed in a core component, A method for producing a spunbond nonwoven fabric by placing polyethylene in a composite filament spunbonded nonwoven fabric, wherein the spunbond nonwoven fabric is melted in a separate extruder, the polymer is spun into a composite spinning nozzle, Forming a nonwoven web by integrating the drawn filaments on a continuously driven porous screen belt, and forming a nonwoven web on the porous screen belt by continuously drawing the drawn filaments on the porous screen belt; The integrated nonwoven web may be bonded by various methods, such as thermal bonding, It discloses a sheet of the composite containing an environmentally friendly plant-based composition characterized in that it comprises the step of imparting a shape stability of the web process for producing a fiber non-woven fabric ".

그러나, 상기한 종래의 방법에 따른 식물유래 조성물을 함유한 복합 친환경 장섬유 부직포는 CO2 배출 저감으로 기존 폴리프로필렌(PP) 단독 부직포에 비해 친환경성이 우수하지만 폴리머의 방사성이 나빠 생산성이 저하하고, 기타 부직포의 물성이 만족스럽지 못하다는 문제점이 있어, 이들 문제점을 해결하기 위해 지속적인 연구가 수행되고 있다.
However, the composite environmentally friendly long-fiber nonwoven fabric containing the plant-derived composition according to the above-described conventional method is superior in environmental friendliness to conventional polypropylene (PP) nonwoven fabric due to CO 2 emission reduction, but productivity of the polymer deteriorates due to poor radioactive property of the polymer , And other nonwoven fabrics are unsatisfactory. Therefore, continuous research is being conducted to solve these problems.

특허문헌 1: 대한민국 특허출원번호 제2002-0046821호Patent Document 1: Korean Patent Application No. 2002-0046821 특허문헌 2: 일본국 특개평7-48769호Patent Document 2: Japanese Patent Application Laid-Open No. 7-48769 특허문헌 3: 일본국 특개평6-264343호Patent Document 3: Japanese Patent Application Laid-Open No. 6-264343 특허문헌 4: 대한민국 특허출원번호 제2011-0039493호Patent Document 4: Korean Patent Application No. 2011-0039493

따라서, 본 발명은 상기한 종래 기술 수준 및 이들 기술에 있어서의 문제점을 감안하고 이를 해결하기 위해 안출된 것으로, 본 발명의 주목적은 폴리프로필렌과 식물에서 추출된 에탄올을 이용한 친환경성 폴리에틸렌을 복합방사하여 부직포의 물성을 우수하게 하면서도 생산성의 저하 없이 효과적으로 생산할 수 있는 부직포 제조방법을 제공하므로서 종래의 석유계 폴리머 만으로 구성된 부직포에 비하여 이산화탄소 발생량을 획기적으로 저감시킬 수 있는, 생산성이 우수한 친환경성 복합 장섬유 부직포를 제공하기 위한 것이다.DISCLOSURE OF THE INVENTION Accordingly, the present invention has been made in view of the above-mentioned prior art and problems in the prior art, and it is an object of the present invention to provide a method for producing polypropylene and environmentally friendly polyethylene using ethanol extracted from plants The present invention provides a nonwoven fabric manufacturing method capable of effectively producing the nonwoven fabric without deteriorating the physical properties of the nonwoven fabric, thereby effectively reducing the amount of generated carbon dioxide compared to the conventional nonwoven fabric composed of the petroleum-based polymer, .

본 발명의 다른 목적은 상기한 우수한 물성을 갖는 식물유래 조성물을 함유한 친환경성 복합 장섬유 부직포를 우수한 생산성으로 제조할 수 있는 용이한 제조방법을 제공하기 위한 것이다.Another object of the present invention is to provide an easy production method capable of producing an environmentally friendly composite filament nonwoven fabric containing the plant-derived composition having the above excellent physical properties with excellent productivity.

본 발명은 또한 상기한 명확한 목적 이외에 이러한 목적 및 본 명세서의 전반적인 기술로부터 이 분야의 통상인에 의해 용이하게 도출될 수 있는 다른 목적을 달성함을 그 목적으로 할 수 있다.
The present invention may also be directed to accomplish these and other objects, which can be easily derived by those skilled in the art from the overall description of the present specification, in addition to the above-mentioned and obvious objects.

상기한 본 발명의 목적은 종래의 석유계 폴리프로필렌 단독 부직포에 비해 식물 유래 폴리에틸렌의 복합방사로 친환경성을 우수하게 할 수 있지만, 복합방사시 흐름 지수가 서로 다른 두 가지 원료가 방사될 때 야기되는 사절 발생 및 결점 발생으로 인한 생산성이 떨어지는 단점이 있음을 인지하고 이에 대한 해결을 위해 예의 연구하여 식물유래 조성물과 석유유래 조성물을 각각 방사하므로 생산 방식을 최적화할 수 있는 방법을 밝혀냄으로서 달성될 수 있었다.
It is an object of the present invention to provide an improved environmentally friendly composite spinning of plant-derived polyethylene as compared with a conventional petroleum-based polypropylene single-ply nonwoven fabric. However, when the two spinning- It is possible to accomplish this by finding out a method of optimizing the production method by radiating the plant-derived composition and the petroleum-derived composition, respectively, through a diligent study for solving the problem .

상기 목적을 달성하기 위한 본 발명의 식물유래 조성물을 함유하는 친환경성 복합 장섬유 부직포의 제조방법은;In order to accomplish the above object, there is provided a process for producing an environmentally friendly composite filament nonwoven fabric comprising the plant-derived composition of the present invention;

부직포를 구성하는 필라멘트를 심초형으로 하여 방사하고 방사된 필라멘트를 벨트 상에 적층하여 웹을 형성하고 열압착이나 니들펀칭하여 부직포를 제조하는 방법에 있어서,A method for producing a nonwoven fabric by spinning filaments constituting a nonwoven fabric in a core-sheath shape, laminating the filaments spun on a belt to form a web, and thermocompression bonding or needle punching,

상기 필라멘트는 두 개의 별개의 빔 A 및 B에서 방사되어 지며, 이때 하나의 빔인 A빔에서는 심성분으로 폴리프로필렌으로 하고 초성분은 식물유래 폴리에틸렌으로 하여 심성분과 초성분의 비율이 50:50 내지 80:20으로 하고, 다른 하나의 빔인 B빔에서는 심성분으로 폴리프로필렌으로 하고 초성분은 석유유래 폴리에틸렌으로 하되 심성분과 초성분의 비율이 50:50으로 하여, 심초형으로 방사되어 지는 것임을 특징으로 한다.The filament is spun in two separate beams A and B, wherein the core component is polypropylene as the core component in the A beam, which is a beam, and the plant component is polyethylene as the base component, and the ratio of the core component to the secondary component is 50:50 to 80 : 20, and the other one beam is polypropylene as the core component in the B beam and the second component is the petroleum-derived polyethylene, and the ratio of the core component to the second component is 50:50, and is spun into a core-sheath type .

본 발명의 다른 구성에 따르면, 상기 A빔 및B빔의 심성분과 초성분은 각각 별개의 익스트루더로 용융시켜 각각의 폴리머를 복합방사 노즐로 방사한 후 방사된 필라멘트에 냉각공기를 부여하여 고체화시키고, 고체화된 필라멘트를 연신과정을 통해 작은 섬유 직경을 가지는 연신 필라멘트로 하는 단계에 의해 제조됨을 특징으로 한다.According to another aspect of the present invention, the core and the subcomponents of the A beam and the B beam are melted as separate extruders, respectively, and the respective polymers are radiated to the composite spinning nozzle, And then solidifying the filaments into a drawn filament having a small fiber diameter through a drawing process.

본 발명의 또 다른 구성에 따르면, 상기 초성분에는 산화방지제로 인계 산화방지제를 300 내지 1000ppm으로 첨가하는 것을 특징으로 한다. 이와 같이 초성분에 산화방지제를 부가하여 식물에서 유래한 폴리에틸렌을 사용하므로 폴리에틸렌의 산화를 방지하여 방사성을 안정화시킬 수 있어 사절을 방지하는 작용효과를 제공한다.According to still another embodiment of the present invention, the supercritical component is characterized by adding a phosphorus-based antioxidant as an antioxidant at 300 to 1000 ppm. Since the plant-derived polyethylene is used by adding the antioxidant to the supercritical component, oxidation of the polyethylene can be prevented and the radioactivity can be stabilized.

본 발명의 또 다른 구성에 따르면, 상기 부직포는 열압착하여 제조되면 열압착을 위한 엠보스 롤의 온도의 범위는 144 내지 152℃로 하여 제조함을 특징으로 한다.According to another embodiment of the present invention, when the nonwoven fabric is manufactured by thermocompression bonding, the temperature of the embossing roll for thermocompression bonding is in the range of 144 to 152 ° C.

본 발명의 또 다른 구성에 따르면, 상기 부직포의 섬도는 2 내지 3데니어로 제조함을 특징으로 한다.
According to another embodiment of the present invention, the fineness of the nonwoven fabric is 2 to 3 denier.

상기 다른 목적을 달성하기 위한 본 발명의 식물유래 조성물을 함유하는 친환경성 복합 장섬유 부직포는;The eco-friendly composite filament nonwoven fabric containing the plant-derived composition of the present invention for achieving the above-mentioned other objects comprises;

상기한 본 발명의 제조방법에 따라 얻어진 것으로, 부직포의 기초중량이 10 내지 100g/㎡인 것을 특징으로 한다.
The nonwoven fabric obtained by the method of the present invention described above is characterized in that the basis weight of the nonwoven fabric is 10 to 100 g / m 2.

상기와 같이 구성되는 본 발명의 식물유래 조성물을 함유하는 친환경성 복합 장섬유 부직포 및 그 제조방법은 부직포를 구성하는 필라멘트를 별개의 두 개의 빔에 의해 다른 구성으로 방사된 것을 사용하므로 필라멘트의 용융 방사로부터 웹 형성까지 안정되어 사절 발생이 현저하게 개선되어 공정안정성이 향상되므로 친환경 부직포의 생산성을 높일 수 있게 되었으며, 또한 인장강도 및 강연성과 같은 물성이 향상되도록 하여 상기한 종래의 문제점을 해소하였다.
The eco-friendly composite filament nonwoven fabric containing the plant-derived composition of the present invention having the above-described structure and the method for producing the eco-friendly composite filament nonwoven fabric according to the present invention can be produced by using the filaments constituting the nonwoven fabric, The present invention provides a method for manufacturing a nonwoven fabric, which comprises the steps of: (a) forming a nonwoven fabric on a surface of a nonwoven fabric;

이하에서, 본 발명을 바람직한 실시형태에 의해 좀 더 상세히 설명하면 다음과 같다.
Hereinafter, the present invention will be described in more detail with reference to preferred embodiments.

본 발명의 바람직한 실시형태에 따른 식물유래 조성물을 함유하는 친환경성 복합 장섬유 부직포의 제조방법은 부직포를 구성하는 필라멘트를 심초형으로 하여 방사하고 방사된 필라멘트를 벨트 상에 적층하여 웹을 형성하고 열압착이나 니들펀칭하여 부직포를 제조하는 방법으로서, 상기 필라멘트는 두 개의 별개의 빔 A 및 B에서 방사되어 지며, 이때 하나의 빔인 A빔에서는 심성분으로 폴리프로필렌으로 하고 초성분은 식물유래 폴리에틸렌으로 하여 심성분과 초성분의 비율이 50:50 내지 80:20으로 하고, 다른 하나의 빔인 B빔에서는 심성분으로 폴리프로필렌으로 하고 초성분은 석유유래 폴리에틸렌으로 하되 심성분과 초성분의 비율이 50:50으로 하여, 심초형으로 방사하여 제조한다.A method for producing an environmentally friendly composite filament nonwoven fabric containing a plant-derived composition according to a preferred embodiment of the present invention comprises spinning a filament constituting a nonwoven fabric in a core-sheath form, laminating the filament on a belt to form a web, A method of producing a nonwoven fabric by compression or needle punching, the filament being spun in two distinct beams A and B, wherein the one beam is a polypropylene core component and the second component is a plant-derived polyethylene The ratio of the core component and the secondary component is 50:50 to 80:20, and in the other beam, the B component is polypropylene as the core component and the secondary component is the petroleum-derived polyethylene. The ratio of the core component to the secondary component is 50:50 And spun into a core-sheath type.

본 방법의 바람직한 실시형태에 따르면, 본 발명의 제조방법은 상기 각 빔의 심성분과 초성분을 각각 별개의 익스트루더로 용융시켜 각각의 폴리머를 복합방사 노즐로 방사한 후 방사된 필라멘트에 냉각공기를 부여하여 고체화시킨 후, 고체화된 필라멘트를 연신과정을 통해 작은 섬유 직경을 가지는 연신 필라멘트로 하는 단계; 상기 연신 필라멘트를 연속적으로 구동되는 다공성 스크린 벨트에 집적하여 부직포 웹을 형성하는 단계; 및 상기 집적된 부직포 웹을 열접착과 같은 다양한 방법으로 결합하여 부직포 웹의 형태안정성을 부여하는 단계를 포함하여 구성되고, 상기 각 빔의 초성분에는 산화방지제로 인계 산화방지제를 첨가하여 방사하여 필라멘트를 생산할 수 있다.According to a preferred embodiment of the present invention, in the manufacturing method of the present invention, the core component and the subcomponent of each beam are respectively melted in separate extruders, each polymer is radiated to a composite spinning nozzle, And solidifying the solidified filament into a drawn filament having a small fiber diameter through a drawing process; Integrating the drawn filaments on a continuously driven porous screen belt to form a nonwoven web; And applying the integrated nonwoven web by various methods such as thermal bonding to impart morphological stability to the nonwoven web. An antioxidant as an antioxidant is added to the supernatant of each of the beams, Can be produced.

상기한 바와 같이, 본 발명에 따른 부직포의 제조방법은 석유유래 조성물 및 식물유래 조성물을 각각 방사하여 열압착 후 부직포를 제조하며, 이때 석유유래 조성물 및 식물유래 조성물의 함유량에 따라 열압착 후 부직포의 물성이 달라지며, 생산성 또한 열압착 조건에 따라 차이를 보이는 것을 밝혀내어, 최적의 조건을 선정하여 생산성 및 물성을 향상시켰다. 구체적으로는, 별개의 다른 두 개의 빔을 사용하여 각각의 심성분과 초성분의 비율을 달리하여 사용하고, 또한 각 빔의 초성분은 다른 용융 지수를 갖는 다른 유래의 폴리에틸렌을 사용하고 그에 따른 열압착 온도를 144 내지 152℃로 하여 물성을 향상할 수 있었다. 이때 열압착 온도를 144℃ 미만으로 하게 되면 석유유래 조성물 층과 식물유래 조성물 층간 열에 의한 접착력이 낮아 강도가 저하되고 보풀이 심하게 발생할수도 있으며, 152℃ 이상으로 하게 되면 열압착된 부직포 층이 열압착 구동 롤에 감기는 권부현상을 초래하여 생산이 불가능하게 되어 바람직하지 않다.As described above, the method for producing a nonwoven fabric according to the present invention comprises spinning a petroleum-derived composition and a plant-derived composition to produce a nonwoven fabric after thermocompression, and subjecting the nonwoven fabric to thermocompression bonding according to the content of the petroleum- It was found that the physical properties were different and the productivity was also different according to the thermocompression conditions, and the optimum conditions were selected to improve productivity and physical properties. Specifically, two different beams are used to vary the ratio of the core component to the secondary component, and the second component of each beam is formed by using another derived polyethylene having a different melt index, And the temperature was adjusted to 144 to 152 ° C to improve the physical properties. If the temperature of the thermocompression bonding is less than 144 캜, the adhesive strength between the petroleum-derived composition layer and the plant-based composition layer is low, resulting in a decrease in strength and severe fuzz. If the temperature is more than 152 캜, Winding on the driving roll is caused and the production becomes impossible, which is not preferable.

또한, 본 발명의 다른 실시형태에 따르면, 종래의 기술에서는 초성분에 함유되어 있는 페놀계 산화방지제로 인해 일정 온도이상으로 용융하여 방사시 사절 발생을 야기하여 생산성이 현저하게 저하되는 문제점이 있었는데, 이러한 문제점을 해결하기 위해서 본 발명에서는 초성분에 함유되어 있는 페놀계 산화방지제에 부가하여 인계 산화방지제를 첨가하는 구성을 제공할 수 있다. 이때 첨가하는 인계 산화방지제의 함유량은 300 내지 1000ppm으로 구성되어야 하며, 만일 상기 인계 산화방지제가 300ppm 미만일 경우에는 산화방지제 본연의 역할인 산화방지가 제대로 되지 않아 부직포를 제조 후 색이 변하는 황변 현상이 발생하며, 1000ppm을 초과할 경우에는 방사성이 오히려 저하될 우려가 있어 바람직하지 않다. In addition, according to another embodiment of the present invention, there is a problem that in the prior art, the phenol-based antioxidant contained in the supercritical component melts at a temperature higher than a certain temperature, causing yarn breakage during spinning, In order to solve the problem, the present invention can provide a constitution in which a phosphorus-based antioxidant is added in addition to the phenol-based antioxidant contained in the supernatant. In this case, the content of the phosphorus antioxidant added should be 300 to 1000 ppm. If the phosphorus antioxidant is less than 300 ppm, the antioxidant, which is an essential part of the antioxidant, is not properly prevented. On the other hand, if it exceeds 1000 ppm, the radioactivity may be lowered, which is not preferable.

본 발명의 다른 실시형태에 따르면, 상기 A 빔에서 방사되는 심초형 필라멘트의 폴리프로필렌으로 구성된 심성분과 식물에서 유래된 폴리에틸렌으로 구성된 초성분이 바람직하기로는 50:50 내지 80:20의 비율로 구성되어 질 수 있다. 가장 바람직하기로는 상기 심초형 필라멘트의 심성분과 초성분이 60:40의 비율로 구성된다. 만일, 상기 초성분을 구성하는 식물유래 폴리에틸렌의 구성비가 50%를 초과할 경우 부직포의 부드러운 특성이 감소되어 상기 부직포를 이용하는 제품의 상품 가치가 저하될 우려가 있으며, 초성분을 구성하는 식물유래 폴리에틸렌의 구성비를 20% 미만으로 할 경우 전체 부직포에서 친환경 소재의 사용량이 떨어져 이산화탄소(CO2) 저감 효과가 크게 감소하여 바람직하지 않다. According to another embodiment of the present invention, a core component composed of polypropylene of core-sheath filaments emitted from the A beam and a supercontent composed of polyethylene derived from plant are preferably constituted at a ratio of 50:50 to 80:20 Can be. Most preferably, the core and sheath component of the core-sheath filament is constituted at a ratio of 60:40. If the composition ratio of the plant-derived polyethylene constituting the supercritical component exceeds 50%, the soft properties of the nonwoven fabric may be reduced, which may lower the product value of the product using the nonwoven fabric, and the plant- Is less than 20%, the amount of the eco-friendly material is reduced in the entire nonwoven fabric, and the effect of reducing carbon dioxide (CO 2 ) is greatly reduced.

본 발명의 다른 실시형태에 있어서, 상기 심성분을 구성하는 폴리프로필렌은 융점이 120℃ 이상, 우수하기로는 150℃이상이고, 용융지수는 15 내지 60g/10분 수준이고, 용융밀도는 0.9 g/cm3(230℃)의 특성을 갖는 것을 사용할 수 있고, 초성분을 구성하는 식물유래 폴리에틸렌은 융점이 120 내지 130℃이고, 용융지수는 10 내지 40g/10분 수준, 바람직하기로는 20g/10분이고 석유유래 폴리에틸렌은 융점이 120 내지 130℃이고, 용융지수는 20 내지 50g/10분 수준, 바람직하기로는 32g/10분이다.In another embodiment of the present invention, the polypropylene constituting the core component has a melting point of at least 120 캜, preferably at least 150 캜, a melt index of 15 to 60 g / 10 min, a melt density of 0.9 g / cm < 3 > (230 DEG C), and the plant-derived polyethylene constituting the superfine component has a melting point of 120 to 130 DEG C and a melt index of 10 to 40 g / 10 min, preferably 20 g / The petroleum-derived polyethylene has a melting point of 120 to 130 캜 and a melt index of 20 to 50 g / 10 min, preferably 32 g / 10 min.

상기 본 발명에 따라 방사된 필라멘트는 스핀벨트 사에 집적되어 부직 웹을 형성하고 이 웹은 이후 열압착 등의 방법으로 결합되어 부직포 형태를 완성하는데, 결합방식은 열 압착으로 한정하는 것은 아니며 고압의 물로 결합하는 스펀레이스, 초음파로 결합하는 초음파 본딩, 니들펀칭으로 결합하는 니들펀칭법 등과 같은 방식으로 결합하여 부직포 시트를 만들 수도 있으나, 바람직하기로는 열압착 방법을 사용하여 열압착을 위한 엠보스 롤의 온도의 범위를 144 내지 152℃로 하여 제조하는 것이다. 이렇게 하므로, 부직포의 생산성 및 물리적 성질을 최적화할 수 있다.
The filaments spun in accordance with the present invention are integrated in a spin belt to form a nonwoven web, which is then bonded by a method such as thermocompression bonding to form a nonwoven fabric. The bonding method is not limited to thermocompression, A nonwoven fabric sheet may be formed by a method such as spun lace bonding by water, ultrasonic bonding by ultrasonic bonding, needle punching by needle punching, or the like. Preferably, however, To a temperature of 144 to 152 캜. By doing so, the productivity and physical properties of the nonwoven fabric can be optimized.

또한, 본 발명에 따르면, 상기 필라멘트는 섬도 2 내지 3데니어로 제조되어 질 수 있고, 이러한 필라멘트로부터 얻어진 스판본드 부직포의 기초중량은 10 내지 100g/㎡인 것으로 할 수 있다.
Further, according to the present invention, the filament can be manufactured with a fineness of 2 to 3 denier, and the basis weight of the spunbonded nonwoven fabric obtained from such filaments can be 10 to 100 g / m 2.

이하, 본 발명을 실시예에 의해 보다 구체적으로 설명하지만, 본 발명의 범주가 이들 실시예에 한정되는 것이 아님은 물론이다.
Hereinafter, the present invention will be described in more detail with reference to examples, but it goes without saying that the scope of the present invention is not limited to these examples.

실시예 1Example 1

하나의 빔(A빔)에는 융점이 165℃ 이고 용융지수(MI)가 35인 폴리프로필렌을 심성분으로 하고, 융점이 125℃이고 MI가 20인 식물유래 폴리에틸렌을 초성분으로 하여 심성분의 익스트루더 온도를 230℃ 초성분의 익스트루더는 250℃에서 원료를 용융시키고 다른 하나의 빔(B빔)에는 융점이 165℃ 이고 MI가 35인 폴리프로필렌을 심성분으로 하고, 융점이 125℃이고 MI가 32인 석유유래 폴리에틸렌을 초성분으로 하여 심성분의 익스트루더 온도를 230℃ 초성분의 익스트루더는 230℃에서 원료를 용융시켰다. 용융된 폴리머는 복합방사 스핀빔 내의 분배판에 의해 별도의 유로로 이동하여 복합 단면 심초형으로 방사되어 필라멘트를 형성하게 되는데 이때 섬유를 구성하는 초성분과 심성분의 비율은 A빔은 60:40, B빔은 50:50이 되도록 하였다. 방사된 필라멘트는 다공성 스핀벨트에 적층되도록 하여 웹을 형성하고, 열압착을 하기 위한 엠보스 롤의 온도를 148℃로 하여 열압착 과정을 거친 후 최종 부직포를 제조하였다. 부직포의 제조시 사절 수를 계측하고 그리고 제조된 부직포의 인장강도 및 강연도를 측정하여 그 결과를 다음 표 1에 나타냈다.
One beam (A beam) is composed of polypropylene having a melting point of 165 占 폚 and a melt index (MI) of 35 as a core component, polyethylene having a melting point of 125 占 폚 and MI of 20, The extruder of the second component at 230 deg. C melts the raw material at 250 deg. C, and the other beam (B beam) contains polypropylene having a melting point of 165 deg. C and MI of 35 as a core component and has a melting point of 125 deg. And the extruder temperature of 230 캜 and the extruder of the second component was melted at 230 캜 with petroleum-derived polyethylene having MI of 32 as a super-component. The molten polymer moves into a separate flow path by a distribution plate in the composite spin spin beam and is radiated into a composite cross-cord type to form a filament. In this case, the ratio of the secondary component to the core component constituting the fiber is 60:40 , And the B beam was 50:50. The spun filaments were laminated on a porous spin belt to form webs, and the temperature of the embossing roll for thermocompression bonding was set to 148 DEG C, followed by thermocompression bonding to produce a final nonwoven fabric. The number of yarns was measured at the time of manufacturing the nonwoven fabric, and the tensile strength and the lubrication degree of the nonwoven fabric were measured. The results are shown in Table 1 below.

실시예 2Example 2

상기 A빔의 심성분과 초성분의 비율을 70:30으로 구성한 것 이외에는 실시예 1과 같이 하여 부직포를 제조하였다.
A nonwoven fabric was produced in the same manner as in Example 1 except that the ratio of the core component to the second component of the A beam was 70:30.

비교예 1Comparative Example 1

상기 B빔의 심성분과 초성분의 비율을 60:40으로 구성하고 석유유래 폴리에틸렌 대신 식물유래 폴리에틸렌으로 구성한 것 이외에는 실시예 1과 같이 하여 부직포를 제조하였다.
A nonwoven fabric was produced in the same manner as in Example 1, except that the ratio of the core fraction and the secondary component of the B beam was 60:40 and that the polyethylene was replaced by polyethylene derived from petroleum.

비교예 2Comparative Example 2

상기 A빔의 심성분과 초성분의 비율을 40:60으로 구성한 것 이외에는 실시예 1과 같이 하여 부직포를 제조하였다.
A nonwoven fabric was produced in the same manner as in Example 1 except that the ratio of the core component to the subcomponent of the A beam was 40:60.

비교예 3Comparative Example 3

상기 열압착을 하기 위한 엠보스 롤의 온도를 155℃로 구성한 것 이외에는 실시예 1과 같이 하여 부직포를 제조하였다.
A nonwoven fabric was produced in the same manner as in Example 1 except that the temperature of the embossing roll for thermocompression bonding was set at 155 캜.

비교예 4Comparative Example 4

상기 열압착을 하기 위한 엠보스 롤의 온도를 140℃로 구성한 것 이외에는 실시예 1과 같이 하여 부직포를 제조하였다.
A nonwoven fabric was produced in the same manner as in Example 1 except that the temperature of the embossing roll for thermocompression bonding was 140 ° C.

Figure 112013044658410-pat00001
Figure 112013044658410-pat00001

상기 본 발명의 상세한 설명에서는 비록 한정된 실시예를 예시하여 설명하고 있으나, 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 present invention has been particularly shown and described with reference to exemplary embodiments thereof, it is evident that many alternatives, modifications and variations will be apparent to those skilled in the art in light of the above teachings. Subordination is natural.

Claims (6)

부직포를 구성하는 필라멘트를 심초형으로 하여 방사하고 방사된 필라멘트를 벨트 상에 적층하여 웹을 형성하고 열압착이나 니들펀칭하여 부직포를 제조하는 방법에 있어서,
상기 필라멘트는 두 개의 별개의 빔 A 및 B에서 방사되어 지며, 이때 하나의 빔인 A빔에서는 심성분으로 폴리프로필렌으로 하고 초성분은 식물유래 폴리에틸렌으로 하여 심성분과 초성분의 비율을 50:50 내지 80:20의 중량비율로 하고, 다른 하나의 빔인 B빔에서는 심성분으로 폴리프로필렌으로 하고 초성분은 석유유래 폴리에틸렌으로 하되 심성분과 초성분의 비율이 50:50의 중량비율로 하며,
상기 A빔 및 B빔의 심성분과 초성분은 각각 별개의 익스트루더로 용융시켜 각각의 폴리머를 복합방사 노즐로 심초형으로 방사되도록 하며, 방사된 필라멘트에 냉각공기를 부여하여 고체화시키고, 고체화된 필라멘트를 연신과정을 통해 작은 섬유 직경을 가지는 연신 필라멘트로 하는 단계를 포함함을 특징으로 하는 식물유래 조성물을 함유하는 친환경성 복합 장섬유 부직포의 제조방법.
A method for producing a nonwoven fabric by spinning filaments constituting a nonwoven fabric in a core-sheath shape, laminating the filaments spun on a belt to form a web, and thermocompression bonding or needle punching,
The filaments are irradiated in two separate beams A and B. In this case, one beam is polypropylene as the core component in the A beam, and the second component is the plant-derived polyethylene and the ratio of the core component and the secondary component is 50:50 to 80 : 20, and the other beam is a polypropylene as a core component in a beam, and the second component is a petroleum-derived polyethylene, wherein the ratio of the core component to the second component is 50:50 by weight,
The core component and the subcomponent of the A beam and the B beam are melted as separate extruders so that each polymer is radiated into a core-sheath type with a composite spinning nozzle. The radiating filament is solidified by applying cooling air thereto, And a step of forming the drawn filaments having a small fiber diameter through a process of stretching the filaments. The method for producing an environmentally friendly composite filament nonwoven fabric according to claim 1,
삭제delete 제 1항에 있어서, 상기 초성분에는 산화방지제로 인계 산화방지제를 300 내지 1000ppm으로 첨가하는 것을 특징으로 하는 식물유래 조성물을 함유하는 친환경성 복합 장섬유 부직포의 제조방법.
The method for producing an environmentally friendly composite filament nonwoven fabric according to claim 1, wherein the supercritical component is added with a phosphorus-based antioxidant at 300 to 1000 ppm as an antioxidant.
제 1항에 있어서, 상기 부직포가 열압착이나 니들펀칭 중에서 열압착에 의해 제조되어 지는 경우에는, 열압착을 위한 엠보스 롤의 온도의 범위는 144 내지 152℃로 하여 제조함을 특징으로 하는 식물유래 조성물을 함유하는 친환경성 복합 장섬유 부직포의 제조방법.
The embossing roll according to claim 1, wherein when the nonwoven fabric is produced by thermocompression bonding in a thermocompression bonding or a needle punching, the temperature of the embossing roll for thermocompression bonding is in the range of 144 to 152 DEG C. Based composite nonwoven fabric according to claim 1,
제 1항에 있어서, 상기 부직포를 구성하는 섬유의 섬도는 2 내지 3데니어로 제조함을 특징으로 하는 식물유래 조성물을 함유하는 친환경성 복합 장섬유 부직포의 제조방법.
The method for producing an environmentally friendly composite filament nonwoven fabric according to claim 1, wherein the fiber constituting the nonwoven fabric has a fineness of 2 to 3 denier.
청구항 제1항 및 제3항 내지 제5항 중 어느 한 항에 따라 얻어진 것으로, 부직포의 기초중량이 10 내지 100g/㎡인 것을 특징으로 하는 식물유래 조성물을 함유하는 친환경성 복합 장섬유 부직포.
5. The eco-friendly composite filament nonwoven fabric according to any one of claims 1 to 5, wherein the nonwoven fabric has a basis weight of 10 to 100 g / m 2.
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