KR100862958B1 - Process Of Producing Polypropylene False Twist Yarn - Google Patents
Process Of Producing Polypropylene False Twist Yarn Download PDFInfo
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- KR100862958B1 KR100862958B1 KR1020080008916A KR20080008916A KR100862958B1 KR 100862958 B1 KR100862958 B1 KR 100862958B1 KR 1020080008916 A KR1020080008916 A KR 1020080008916A KR 20080008916 A KR20080008916 A KR 20080008916A KR 100862958 B1 KR100862958 B1 KR 100862958B1
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- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
- D01F6/00—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof
- D01F6/44—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from mixtures of polymers obtained by reactions only involving carbon-to-carbon unsaturated bonds as major constituent with other polymers or low-molecular-weight compounds
- D01F6/46—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from mixtures of polymers obtained by reactions only involving carbon-to-carbon unsaturated bonds as major constituent with other polymers or low-molecular-weight compounds of polyolefins
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- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
- D01F6/00—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof
- D01F6/02—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from homopolymers obtained by reactions only involving carbon-to-carbon unsaturated bonds
- D01F6/04—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from homopolymers obtained by reactions only involving carbon-to-carbon unsaturated bonds from polyolefins
- D01F6/06—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from homopolymers obtained by reactions only involving carbon-to-carbon unsaturated bonds from polyolefins from polypropylene
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- D—TEXTILES; PAPER
- D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B2321/00—Fibres made from polymers obtained by reactions only involving carbon-to-carbon unsaturated bonds
- D10B2321/02—Fibres made from polymers obtained by reactions only involving carbon-to-carbon unsaturated bonds polyolefins
- D10B2321/022—Fibres made from polymers obtained by reactions only involving carbon-to-carbon unsaturated bonds polyolefins polypropylene
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- D—TEXTILES; PAPER
- D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B2501/00—Wearing apparel
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- General Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Yarns And Mechanical Finishing Of Yarns Or Ropes (AREA)
- Spinning Methods And Devices For Manufacturing Artificial Fibers (AREA)
- Artificial Filaments (AREA)
Abstract
본 발명은 폴리프로필렌 가연사의 제조방법에 관한 것으로서, 더욱 상세하게는 필라멘트 제조공정의 방사방법의 개선을 통한 폴리프로필렌 필라멘트를 제1피드롤러로 공급하고 온도 120∼160℃로 히터에서 열처리한 후 냉각판을 거치면서 냉각하고, 가연비 1.25∼2.5로 가연장치에 의해 가연을 한 후 연신비 1.4~2.0으로 제2피드롤러를 통과시킨 후, 제2피드롤러와 제3피드롤러간의 속도차에 의한 오버피드율을 6.0~12.0으로 하여 제3피드롤러를 통과시키고 유제부여하고 권취하는 것을 특징으로 하는 폴리프로필렌 가연사 및 그 제조방법에 관한 것으로서 본 발명에 의해 사절이나 모우의 발생을 최소로 하면서 촉감이 부드러우며 신축성 및 형태안정성이 우수한 폴리프로필렌 가연사를 제공할 수 있다. The present invention relates to a method for producing polypropylene false twist yarn, and more particularly, to supply a polypropylene filament to the first feed roller through the improvement of the spinning method of the filament manufacturing process, and heat-treated in a heater at a temperature of 120 ~ 160 ℃ and then cooled After passing through the plate and cooling by the combustor with a fuel ratio of 1.25 to 2.5, passing the second feed roller at a draw ratio of 1.4 to 2.0, and then overloading by the speed difference between the second feed roller and the third feed roller. The present invention relates to a polypropylene twisted yarn and a method of manufacturing the same, wherein the feed rate is set to 6.0 to 12.0, passed through the third feed roller, emulsified, and wound. It is possible to provide a polypropylene false twist yarn that is soft and has excellent elasticity and shape stability.
폴리프로필렌 가연사, 치수변화율, 비수수축율 Polypropylene twisted yarn, dimensional change rate, non-shrinkage rate
Description
본 발명은 폴리프로필렌 가연사의 제조방법에 관한 것으로서, 더욱 상세하게는 항균성 및 소수성이 우수한 폴리프로필렌 필라멘트를 이용하여 벌키감 및 신축성이 우수하여 고급 스포츠 의류용 직물에 사용할 수 있는 폴리프로필렌 가연사를 제공하는 것에 관한 것이다. The present invention relates to a method for producing polypropylene false twist yarn, and more particularly, to provide a polypropylene twisted yarn that can be used for high-quality sports clothing fabrics by using a polypropylene filament having excellent antibacterial and hydrophobic properties and having excellent bulkiness and elasticity. It's about doing.
일반적으로, 폴리프로필렌 필라멘트는 합성필라멘트의 일종으로서, 강도가 우수하며, 혼방성이 좋은 소수성 필라멘트로서, 다른 합성필라멘트와는 달리, 동일한 중량의 원단일지라도 비중이 낮으므로 벌키(bulky)성이 우수하고, 흡수율이 매우 낮아 피부는 항상 건조한 상태를 유지하여 운동 중이나 후에도 항상 쾌적함을 유지할 수 있으며, 또한 천연/합성 필라멘트를 통틀어 가장 낮은 열전도율로 인하여 열손실이 적고, 이로 인해 체온을 일정하게 유지시켜 주게 되고, 수분이 필라멘트 내부로 침투하지 않게 되므로 그냥 흔들어 떨어뜨려 제거할 수 있게 되며, 세탁이 용이하며 건조 속도가 빠르다. In general, polypropylene filament is a kind of synthetic filament, which is excellent in strength and blended hydrophobic filament, and unlike other synthetic filaments, it has excellent bulky property because the specific gravity is low even in the fabric of the same weight. It has a very low absorption rate, so the skin always stays dry, so you can always feel comfortable during and after exercise. Also, the heat loss is low due to the lowest thermal conductivity throughout the natural / synthetic filament, which keeps the body temperature constant. As moisture does not penetrate into the filament, it can be removed simply by shaking it off, easy to wash and fast to dry.
또한, 세균, 곰팡이, 박테리아 등이 서식할 수 있는 환경을 제공하지 않으므 로 이것으로부터 안전하고, 비활성의 폴리머이므로 냄새, 핏자국, 얼룩, 화학약품 등에 반응하지 않으며, 정전기에 대해서도 매우 안정적이다. In addition, because it does not provide an environment where bacteria, fungi, bacteria, etc. can inhabit, it is safe and inert polymer, so it does not react to odors, blood stains, stains, chemicals, etc., and is very stable against static electricity.
특히, 융점의 경우 많은 용도에서 사용할 만큼 적당하게 높지만 다른 합성필라멘트보다는 쉽게 열융착할 수 있을 만큼 낮아서 멜트 블로운(melt blown)에 의한 부직포 제조에 적합하다.In particular, the melting point is moderately high enough to be used in many applications, but low enough to be easily heat-sealed than other synthetic filaments, it is suitable for the production of nonwoven fabric by melt blown (melt blown).
한편, 상기 폴리프로필렌을 포함하는 폴리올레핀계 폴리머는 구성 분자가 탄화수소로만 이루어져 있으므로 극성이 없어 소수성이 크므로 카펫이나 가구용 등과 같은 홈 인테리어 용도로 이용 가능하며, 극성오염물질에 대한 저항성이 매우 높다.On the other hand, since the polyolefin-based polymer including the polypropylene is composed of only hydrocarbons, it has no polarity and thus can be used for home interior applications such as carpet or furniture, and has high resistance to polar pollutants.
이러한 특징을 갖는 폴리프로필렌 필라멘트는 융점이 낮기 때문에 의류용으로는 한계가 있으나, 수분수송에 이점이 있는 위킹(wicking) 특성을 이용하여 가벼운 니트류로서만 제한적인 성장을 보이고 있다. Polypropylene filament having such characteristics has a limited melting point for clothing because of its low melting point, but has shown only limited growth as light knits by using wicking properties which are advantageous for water transportation.
이는 폴리프로필렌 필라멘트를 의류용으로 사용할 경우, 폴리프로필렌의 열적특성, 일광특성, 염색특성 등, 원사 자체의 단점으로 인하여 니트 분야를 중심으로 소극적이면서 제한적으로 그 용도 전개가 이루어지고 있는 실정이다. When polypropylene filament is used for clothing, due to the disadvantages of the yarn itself, such as thermal properties, daylight properties, dyeing properties of polypropylene, the development of its use has been made passively and limitedly in the knit sector.
최근에는 열적 및 일광 특성 등에 문제점이 있는 폴리프로필렌 필라멘트의 단점을 보완한 개량형 폴리프로필렌 필라멘트가 개발되어 의류 소재로 그 용도 범위를 확대하는 등 상기 폴리프로필렌 필라멘트에 대한 관심이 날로 증가하고 있다.Recently, an improved polypropylene filament has been developed that supplements the disadvantages of polypropylene filaments having problems with thermal and daylight characteristics, and thus, interest in the polypropylene filament has been increasing day by day, such as expanding its use range as a garment material.
그러나, 폴리프로필렌 필라멘트는 의류용으로 사용할 수 있을 정도로 충분한 강도 및 신도를 부여하기가 어려워 가연사로는 활용하지는 못하고 있는 실정이다.However, polypropylene filament is difficult to give enough strength and elongation to be used for clothing, so it is not used as a false twist yarn.
특히, 폴리프로필렌 필라멘트는 폴리프로필렌의 낮은 융점으로 인한 가연공정의 어려움이 있었고, 특히 의류용으로 사용할 수 있을 정도로 충분한 강도 및 신도를 부여하기가 어려워 가연사로는 제조하지 못하고 있는 실정이다. In particular, the polypropylene filament has a difficulty in the combustion process due to the low melting point of the polypropylene, and in particular, it is difficult to give enough strength and elongation to be used for clothing, it is a situation that can not be manufactured by the twisted yarn.
따라서, 본 발명은 기존의 폴리프로필렌 필라멘트의 문제점을 극복하여 폴리프로필렌 가연사를 제공하는 것을 그 기술적 과제로 한다.이에 본 발명자는 폴리프로필렌의 방사방법의 개선을 통해 가연사용으로 사용할 수 있는 필라멘트를 사용하고, 폴리프로필렌 필라멘트에 대한 가연조건의 최적화를 통해 폴리프로필렌 가연사를 제조함으로써 각종 스포츠웨어 및 기능성 의복 분야에 활용할 수 있었다.Accordingly, the present invention is to provide a polypropylene false twist yarn to overcome the problems of the existing polypropylene filament as the technical problem. The present inventors have made a filament that can be used as a combustible use through the improvement of the spinning method of polypropylene By using the polypropylene filament to optimize the combustible conditions for polypropylene filament, it was possible to use in various sportswear and functional apparel.
상기와 같은 목적을 달성하기 위하여 본 발명에서는 폴리프로필렌 필라멘트를 제1피드롤러로 공급하고 온도 120∼160℃로 히터에서 열처리한 후 냉각판을 거치면서 냉각하고, 가연비 1.25∼2.5로 가연장치에 의해 가연을 한 후 연신비 1.4~2.0으로 제2피드롤러를 통과시킨 후, 제2피드롤러와 제3피드롤러간의 속도차에 의한 오버피드율을 6.0~12.0으로 하여 제3피드롤러를 통과시키고 유제부여하고 권취하는 것을 특징으로 하는 폴리프로필렌 가연사의 제조방법이 제공된다.In order to achieve the above object, in the present invention, the polypropylene filament is supplied to the first feed roller, heat-treated in a heater at a temperature of 120 to 160 ° C., and then cooled by passing through a cooling plate. After passing through the second feed roller with draw ratio 1.4 ~ 2.0, after passing through the third feed roller with the overfeed rate of 6.0 ~ 12.0 due to the speed difference between the second feed roller and the third feed roller, Provided is a method for producing a polypropylene false twisted yarn characterized by applying and winding up.
이하, 첨부도면을 참조하여 본 발명의 구성에 대해 상세하게 설명하면 다음과 같다. Hereinafter, the configuration of the present invention with reference to the accompanying drawings in detail.
본 발명은 폴리프로필렌 필라멘트를 사용하여 가연사를 제조하는 것으로서, 본 발명에서는 폴리프로필렌 필라멘트를 제1피드롤러로 공급하고 온도 120∼160℃로 히터에서 열처리한 후 냉각판을 거치면서 냉각하고, 가연비 1.25∼2.5로 가연장치에 의해 가연을 한 후 연신비 1.4~2.0으로 제2피드롤러를 통과시킨 후, 제2피드롤러와 제3피드롤러간의 속도차에 의한 오버피드율을 6.0~12.0으로 하여 제3피드롤러를 통과시키고 유제부여하고 권취하여 폴리프로필렌 가연사를 제조한다.The present invention is to produce a false twist yarn using a polypropylene filament, in the present invention, the polypropylene filament is supplied to the first feed roller and heat treated in a heater at a temperature of 120 ~ 160 ℃ and then cooled through a cooling plate, After burning by the combustion device at the ratio 1.25 to 2.5 and passing the second feed roller at the draw ratio 1.4 to 2.0, the overfeed rate by the speed difference between the second feed roller and the third feed roller is 6.0 to 12.0. The third feed roller is passed through, emulsified and wound to produce polypropylene twisted yarn.
본 폴리프로필렌 가연사의 제조방법은 항균성 및 소수성이 우수한 폴리프로필렌 필라멘트를 이용하여 벌키감 및 신축성이 우수하여 고급 스포츠 의류용 직물에 사용할 수 있는 폴리프로필렌 가연사를 제공하기 위한 것으로서 본 발명의 폴리프로필렌 가연사의 제조방법을 도 1을 바탕으로 설명하면 다음과 같다.The polypropylene twisted yarn manufacturing method of the present invention is to provide a polypropylene twisted yarn which can be used for high-quality sports clothing fabrics with excellent bulkiness and elasticity by using polypropylene filaments having excellent antibacterial and hydrophobic properties. The manufacturing method of the company will be described with reference to FIG. 1 as follows.
먼저 폴리프로필렌 필라멘트(31)를 제1피드롤러(32)로 공급하고 온도 120∼160℃로 히터(33)에서 열처리한 후 냉각판(34)을 거치면서 냉각하고, 가연비 1.25∼2.5로 가연장치(35)에 의해 가연을 한다. 상기 폴리프로필렌 필라멘트는 폴리프로필렌 부분연신 필라멘트(POY) 또는 폴리프로필렌 완전연신 필라멘트(FDY)를 사용할 수 있는데, 폴리프로필렌 부분연신 필라멘트를 사용하는 경우에는 폴리프로필렌 완전연신 필라멘트를 사용하는 경우보다 제조되는 가연사가 더욱 벌키해지는 특징이 있다. 상기 폴리프로필렌 부분연신 필라멘트(POY)는 강도 3.0~4.2 g/dpf, 신도 150~180%인 것을 사용하는 것이 바람직하며, 상기 폴리프로필렌 완전연신 필라멘트(FDY)는 강도 3.5~5.0 g/dpf, 신도 70~90%인 것을 사용하는 것이 바람직하다.First, the
상기 히터(33)에서의 열처리온도는 120∼160℃가 바람직한데, 120℃미만에서는 권축회복율이 높은 가연사가 요구하는 크림프의 안정화에 문제점이 있으며, 160℃를 초과하는 경우에는 원사 용융으로 인한 원사 물성이 변화하는 문제점이 있다. 가연장치의 가연비는 공급되는 폴리프로필렌 필라멘트의 물성에 따라 차이가 있을 수 있는데, 1.25∼2.5인 것이 바람직한데, 1.25 미만에서는 사도떨림이나 사도이탈로 인한 사도불안정으로 가연사의 형태안정성(미가연)에 문제점이 있으며, 2.5를 초과하는 경우에는 사절 및 모우 등의 문제점이 있다. 부분연신 필라멘트를 공급하는 경우의 가연비는 1.5∼2.5, 완전연신 필라멘트의 경우의 가연비는 1.25~1.45로 정하는 것이 바람직하다. 가연장치 통과 후 연신비 1.4∼2.0이 되도록 제2피드롤러(6)를 통과시키는데, 그 이유는 권축회복율의 안정성은 낮은 신도에서 이루어지므로 사가공상의 모우가 발생이 되지 않는 한계치로 연신비를 설정하는 것이 바람직하다. 1.4 미만에서는 크림프 발현의 문제점이 있으며, 2.0을 초과하는 경우에는 미해연 및 사절발생등의 문제점이 있다.The heat treatment temperature of the heater 33 is preferably 120 to 160 ° C. If the heat treatment temperature is lower than 120 ° C, there is a problem in stabilization of crimps required by the false twisted yarn having a high crimp recovery rate. There is a problem that the physical properties change. The combustible ratio of the combustor may vary depending on the properties of the polypropylene filament supplied. It is preferable that it is 1.25 to 2.5. There is a problem, and if it exceeds 2.5, there are problems such as trimming and moor. The flammability ratio in the case of supplying the partially drawn filament is 1.5 to 2.5, and the flammability ratio in the case of the fully drawn filament is preferably set to 1.25 to 1.45. After passing through the combustor, the second feed roller 6 is passed through so as to have a draw ratio of 1.4 to 2.0. The reason for this is that the stability of the crimp recovery rate is made at a low elongation, so that the draw ratio is set to a limit that does not occur in the processing process desirable. If less than 1.4, there is a problem of crimp expression, if more than 2.0, there is a problem such as unburned smoke and trimming.
이후 제3피드롤러(37)를 통과시키고 유제부여부(38)에서 유제처리하고 권취드럼(39)에 권취하여 본 발명의 폴리프로필렌 가연사를 제조한다. After passing through the third feed roller 37, the emulsion treatment in the
본 발명에서는 제2피드롤러와 제3피드롤러간의 속도차에 의한 오버피드율을 정밀히 설정하는 것이 특히 중요한데, 6.0~12.0으로 조절함으로써 히터와 냉각판(cooling zone)을 거친 사도를 자연냉각시킴으로써 크림프상태를 안정시킬 수 있다. 특히 DPF가 1 미만인 사종의 경우에는 상기 오버피드율을 9.0~11.0으로 조절하는 것이 세섬도의 사도의 크림프상태의 안정화를 도모할 수 있어 최종 제품인 가연 사의 우수한 촉감 및 신축성 부여에 이바지할 수 있다.In the present invention, it is particularly important to precisely set the overfeed rate due to the speed difference between the second feed roller and the third feed roller, and to adjust the pressure to 6.0 to 12.0, thereby crimping by naturally cooling the slope through the heater and the cooling zone. The state can be stabilized. In particular, in the case of DPF less than 1, adjusting the overfeed rate to 9.0 ~ 11.0 can promote the stabilization of the crimp state of the Sado Island Sado Island, which can contribute to the excellent touch and elasticity of the end product twisted yarn.
상기 오버피드율은 다음과 같이 계산된다.The overfeed rate is calculated as follows.
오버피드율(%) ={(제2피드롤러표면속도 - 제3피드롤러표면속도)/ 제2피드롤러표면속도}×100Overfeed rate (%) = {(2nd feed roller surface speed-3rd feed roller surface speed) / 2nd feed roller surface speed} × 100
일반적으로 나일론 또는 폴리에스테르 가연사의 경우에는 정전기 발생에 의한 가연사의 형태안정성을 향상시키기 위해 교락공정을 필수적으로 행하나, 본 발명의 폴리프로필렌의 경우에는 정전기가 발생하지 않으므로 교락공정을 필수적으로 행하지는 않는다. 경우에 따라서는 해사성을 향상시키기 위해 상기 제2피드롤러(36)와 제3피드롤러(37) 사이에 공기압 0.5 ~ 3.0㎏/㎠의 조건으로 교락공정을 추가할 수도 있다.Generally, in the case of nylon or polyester false twisted yarn, an entanglement process is essentially performed to improve the morphological stability of the false twisted yarn by static electricity generation. However, in the polypropylene of the present invention, the entanglement process is not necessarily performed. Do not. In some cases, an interlacing process may be added between the
본 발명에 의하면 강도 3.0~4.0 g/dpf 및 신도 20.0~34.0%인 폴리프로필렌 가연사가 제공된다.According to the present invention, polypropylene false twist yarn having a strength of 3.0 to 4.0 g / dpf and an elongation of 20.0 to 34.0% is provided.
또한, 상기 폴리프로필렌 가연사는 치수변화율 -0.6 ~ -1.5% 및 비수수축율 5.5~5.9%인 것이 제공될 수 있다.In addition, the polypropylene false twist yarn may be provided with a dimensional change rate of -0.6 ~ -1.5% and a non-shrinkage rate of 5.5 ~ 5.9%.
이상에서 본 바와 같이, 본 발명에 의해 폴리프로필렌 자체의 낮은 융점으로 인해 가연사를 제조하기 어려웠던 폴리프로필렌 필라멘트를 개질하여 사절이나 모우의 발생을 최소로 하면서 촉감이 부드러우며 신축성이 우수하며, 비수수축율이 낮아 후가공시 안정성을 유지할 수 있는 폴리프로필렌 가연사를 제공할 수 있다.As described above, by modifying the polypropylene filament, which was difficult to produce the combustible yarn due to the low melting point of the polypropylene itself according to the present invention, the touch is smooth and the elasticity is excellent while minimizing the generation of trimming or moor, non-shrinkage rate This low can provide a polypropylene twisted yarn that can maintain stability during post-processing.
이하 다음의 실시 예에서는 본 발명의 폴리프로필렌 가연사의 제조방법에 대한 비한정적인 예시를 하고 있다.The following examples are given as non-limiting examples of the method for producing polypropylene false twisted yarn of the present invention.
[실시예 1]Example 1
폴리프로필렌 부분연신 필라멘트(네필라, POY 75d/32fila, 동국가연사산, 강도 3.7g/dpf), 신도 170%)를 제1피드롤러로 공급하고 표 2와 같은 조건으로 열처리한 후 냉각판을 거치면서 냉각하고, 가연을 한 후 제2피드롤러를 통과시킨 후 제3피드롤러를 통과시키고 유제부여하고 권취하여 폴리프로필렌 가연사(50d/32fila)를 제조하였다.Polypropylene partially stretched filament (Nepila, POY 75d / 32fila, Dongkuk Co., Ltd., strength 3.7g / dpf), elongation of 170% is supplied to the first feed roller, heat treated under the conditions shown in Table 2, and then cooled. After cooling, burning, and passing through the second feed roller, and then passed through the third feed roller, emulsified and wound to prepare a polypropylene twisted yarn (50d / 32fila).
[실시예 2]Example 2
폴리프로필렌 완전연신 필라멘트(네필라, FDY 70d/32fila, 동국가연사산, 강도 4.3g/dpf), 신도 80%)를 공급하고 가연비를 1.35로 조절하는 것을 제외하고는 실시예 1과 동일한 조건으로 폴리프로필렌 가연사를 제조하였다.Under the same conditions as in Example 1, except that the polypropylene fully stretched filament (Nepila, FDY 70d / 32fila, Dongkuk Co., strength 4.3g / dpf), elongation 80% was adjusted and the fuel consumption was adjusted to 1.35. Polypropylene twisted yarn was produced.
[실시예 3]Example 3
제2피드롤러를 통과시킨 후 추가적으로 공기압 1.2㎏/㎠의 조건으로 교락공정을 행한 후 제3피드롤러를 통과시키는 것을 제외하고는 실시예 1과 동일한 조건으로 폴리프로필렌 가연사(50d/32fila)를 제조하였다.After passing through the second feed roller, the polypropylene false twisted yarn (50d / 32fila) was subjected to the same conditions as in Example 1 except that the entanglement process was carried out under the condition of 1.2 kg / cm 2 of air pressure and then passed through the third feed roller. Prepared.
상기 실시예들에 의해 제조한 가연사의 특성을 파악하기 위해 인장강도는 KS K 0215:2002 강도 및 신도 시험방법에 의하여 시험하고, 치수변화율은 KS K 0423: 2002법, 20±2℃. 10분침지, 망건조)에 의하여 시험하고, 비수수축율은 상기 가연사를 일정길이(ℓ0)가 되도록 릴에 감아 98℃의 열수에 30분간 무장력으로 끓인 후의 길이(ℓ1)를 재어 다음 식에 의해 측정하여 표 2에 나타내었다.Tensile strength is tested by the KS K 0215: 2002 strength and elongation test method, and the rate of dimensional change is KS K 0423: 2002 method, 20 ± 2 ° C. 10 minutes immersion, net drying), and the non-shrinkage rate was measured by winding the false twisted yarn in a reel so as to have a constant length (ℓ 0 ) and boiling it with hot water at 98 ° C. for 30 minutes with no tension (L 1 ) It is measured by and shown in Table 2.
비수수축율 = [(ℓ0-ℓ1)/ℓ0]×100Non-shrinkage ratio = [(ℓ 0 -ℓ 1 ) / ℓ 0 ] × 100
도 1은 본 발명의 폴리프로필렌 가연사를 제조하는 공정의 개략도이다. 1 is a schematic diagram of a process for producing a polypropylene false twist yarn of the present invention.
<도면의 주요부분에 대한 부호의 설명><Description of the symbols for the main parts of the drawings>
31 : 폴리프로필렌 필라멘트 32 : 제1피드롤러31
33 : 히터 34 : 냉각판33: heater 34: cooling plate
35 : 가연장치 36 : 제2피드롤러35: combustor 36: second feed roller
37 : 제3피드롤러 38 : 유제부여부37: third feed roller 38: emulsion
39 : 권취드럼39: winding drum
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| KR1020070066577A KR100808092B1 (en) | 2006-10-10 | 2007-07-03 | Apparatus for manufacturing polypropylene filaments for clothes |
| KR1020070100792A KR20080032604A (en) | 2006-10-10 | 2007-10-08 | The process of producing polypropylene filaments for clothes and the process of producing polypropylene false twist yarn |
| KR1020080008916A KR100862958B1 (en) | 2006-10-10 | 2008-01-29 | Process Of Producing Polypropylene False Twist Yarn |
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| KR20010080616A (en) * | 1999-09-28 | 2001-08-22 | 히라이 가쯔히꼬 | Polypropylene terephthalate twisted yarn and method for producing the same |
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| KR20030058376A (en) * | 2001-12-31 | 2003-07-07 | 주식회사 효성 | Spinneret for spinning synthetic fibers |
| JP4518894B2 (en) * | 2004-09-29 | 2010-08-04 | 宇部日東化成株式会社 | Polypropylene multifilament drawn yarn for false twisting, method for producing the same, and polypropylene drawn false twisted yarn |
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| KR20010080616A (en) * | 1999-09-28 | 2001-08-22 | 히라이 가쯔히꼬 | Polypropylene terephthalate twisted yarn and method for producing the same |
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