KR101016001B1 - Method of manufacturing nylon yarn with excellent heat resistant property - Google Patents
Method of manufacturing nylon yarn with excellent heat resistant property Download PDFInfo
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- KR101016001B1 KR101016001B1 KR1020070018861A KR20070018861A KR101016001B1 KR 101016001 B1 KR101016001 B1 KR 101016001B1 KR 1020070018861 A KR1020070018861 A KR 1020070018861A KR 20070018861 A KR20070018861 A KR 20070018861A KR 101016001 B1 KR101016001 B1 KR 101016001B1
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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
- D01F6/58—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from homopolycondensation products
- D01F6/60—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from homopolycondensation products from polyamides
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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
- D01F1/00—General methods for the manufacture of artificial filaments or the like
- D01F1/02—Addition of substances to the spinning solution or to the melt
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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
- D01F11/00—Chemical after-treatment of artificial filaments or the like during manufacture
- D01F11/04—Chemical after-treatment of artificial filaments or the like during manufacture of synthetic polymers
- D01F11/06—Chemical after-treatment of artificial filaments or the like during manufacture of synthetic polymers of macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M13/00—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment
- D06M13/244—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment with compounds containing sulfur or phosphorus
- D06M13/248—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment with compounds containing sulfur or phosphorus with compounds containing sulfur
- D06M13/256—Sulfonated compounds esters thereof, e.g. sultones
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M15/00—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment
- D06M15/19—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment with synthetic macromolecular compounds
- D06M15/37—Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- D06M15/53—Polyethers
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M15/00—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment
- D06M15/19—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment with synthetic macromolecular compounds
- D06M15/37—Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- D06M15/643—Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds containing silicon in the main chain
- D06M15/647—Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds containing silicon in the main chain containing polyether sequences
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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
- D10B2331/00—Fibres made from polymers obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. polycondensation products
- D10B2331/02—Fibres made from polymers obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. polycondensation products polyamides
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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
- D10B2401/00—Physical properties
- D10B2401/04—Heat-responsive characteristics
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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
- D10B2401/00—Physical properties
- D10B2401/14—Dyeability
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
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- Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)
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Abstract
본 발명은 내열성이 우수한 나일론 원사의 제조방법에 관한 것으로서, 보다 구체적으로는 나일론 원사의 표면에 내열성 향상제의 일종인 1,3-벤젠디카르복아미드, N,N'-비스(2,2,6,6-테트라메틸-4-피페리디닐) [1,3-benzendicarboxamide, N,N'-bis(2,2,6,6-tetramethyl-4-piperidinyl)]을 함유하는 코팅용 원액을 코팅하는 것을 특징으로 한다.The present invention relates to a method for producing nylon yarn having excellent heat resistance, and more specifically, 1,3-benzenedicarboxamide, N, N'-bis (2,2,6), which is a kind of heat resistance improving agent on the surface of nylon yarn. , 6-tetramethyl-4-piperidinyl) [1,3-benzendicarboxamide, N, N'-bis (2,2,6,6-tetramethyl-4-piperidinyl) for coating a coating solution containing It is characterized by.
본 발명은 소량의 내열성 향상제로도 나일론 원사의 내열성과 동시에 염색성을 향상시킬 수 있어서 본 발명으로 제조된 나일론 원사는 편물용 원사, 특히 스판덱스와 나일론 원사가 혼용되어 양방향 신축성이 우수한 편물용 원사로 유용하다.The present invention can improve the heat resistance and dyeing properties of nylon yarn even with a small amount of heat resistance improver, so the nylon yarn manufactured by the present invention is useful as a yarn for knitting, in particular spandex and nylon yarns, which are excellent in bidirectional elasticity. Do.
나일론, 원사, 내열성, 내열성 향상제, 표면, 코팅, 염색성 Nylon, Yarn, Heat Resistance, Heat Resistance Enhancer, Surface, Coating, Dyeing
Description
본 발명은 내열성이 우수한 나일론 원사의 제조방법에 관한 것으로서, 보다 구체적으로는 나일론 원사의 표면에 내열성 향상제가 코팅되어 내열성 및 염색성이 향상된 나일론 원사를 제조하는 방법에 관한 것이다.The present invention relates to a method for producing nylon yarn having excellent heat resistance, and more particularly, to a method for manufacturing a nylon yarn having improved heat resistance and dyeing resistance by coating a heat resistance improver on the surface of the nylon yarn.
나일론 원사는 직물 및 편물 제조용 원사로 널리 사용되어 왔으며, 최근에는 양방향으로 뛰어난 신축성을 갖는 편물(이하 "투-웨이 편물"이라고 한다) 제조에 많이 사용되고 있다. 투-웨이 편물은 스판덱스(spandex)원사와 나일론 원사를 함께 제편하여 양방향으로 뛰어난 신축성을 부여한 편물로서, 주로 수영복 원단 등으로 사용된다.Nylon yarn has been widely used as a yarn for making fabrics and knitted fabrics, and in recent years, it has been widely used for producing knitted fabrics having excellent elasticity in both directions (hereinafter referred to as "two-way knitted fabrics"). The two-way knit is a knitted fabric which has spundex yarn and nylon yarn together to give excellent elasticity in both directions, and is mainly used as a swimsuit fabric.
상기 투-웨이 편물은 이를 구성하는 스판덱스 원사의 신축성을 고정시키기 위해 염색 및 가공공정에서 190~195℃의 고온에서 열고정하는 공정을 거쳐야 한다.The two-way knit must undergo a heat-setting process at a high temperature of 190 ~ 195 ℃ in the dyeing and processing to fix the elasticity of the spandex yarn constituting it.
상기 열고정 공정에서 내열성이 열고정 온도보다 낮은 나일론 원사는 물성 변화를 일으키고, 이로 인해 염색공정에서 미염착과 경선 발생등의 문제를 유발하 는 문제가 있었다.In the heat setting process, the heat resistance of the nylon yarn lower than the heat setting temperature causes a change in physical properties, thereby causing problems such as undyed and hard line generation in the dyeing process.
상기 미염착과 경선 발생 문제들은 나일론 원사의 내열성 및 염색과 관계가 있다. 또한, 투-웨이 편물 제조시 생산속도를 높이기 위해서 상기 열고정 온도를 점차 높게 설정하려는 경향이 많아 상기와 같은 문제는 향후 더욱 심각하게 발생될 것으로 예상된다.The undyed and meridian generation problems are related to the heat resistance and dyeing of nylon yarns. In addition, there is a tendency to set the heat setting temperature gradually higher in order to increase the production speed during the production of two-way knit fabric, such problems are expected to occur more seriously in the future.
이와 같은 문제점들을 해결하기 위해서 나일론 원사 제조시 방사도프에 다양한 내열성 향상제를 첨가하여 나일론 원사의 내열성을 향상시키는 방법들이 시도되었으나, 상기 종래방법은 내열성 향상제가 원사 단면의 전체면적에 걸쳐 고르게 분산되기 때문에 원하는 내열성 개선 효과를 얻기 위해서는 다량의 내열성 향상제를 첨가해야 되어 나일론 원사의 제조원가가 너무 상승하는 문제로 상업화에는 한계가 있었다.In order to solve these problems, methods of improving the heat resistance of nylon yarns have been attempted by adding various heat resistance enhancers to the spinning dope when manufacturing nylon yarns, but the conventional method is because the heat resistance improvers are uniformly distributed over the entire area of the yarn cross section. In order to obtain the desired heat resistance improvement effect, a large amount of heat resistance improver must be added, and the production cost of nylon yarn was so high that there was a limitation in commercialization.
본 발명의 목적은 이와 같은 종래 문제점들을 해결하기 위한 것으로서, 나일론 원사의 내열성 및 염색성을 낮은 제조원가로 향상하기 위한 것이다.An object of the present invention is to solve such conventional problems, and to improve the heat resistance and dyeability of nylon yarns with a low manufacturing cost.
본 발명은 낮은 제조원가로 나일론 원사의 내열성 및 염색성을 향상시키기 위해서 나일론 원사의 표면에 내열성 향상제인 1,3-벤젠디카르복아미드, N,N'-비스(2,2,6,6-테트라메틸-4-피페리디닐) [1,3-benzendicarboxamide, N,N'-bis(2,2,6,6-tetramethyl-4-piperidinyl)]을 함유하는 코팅용 원액을 코팅하는 방법을 제공하고자 한다.The present invention is a 1,3-benzenedicaramide, N, N'-bis (2,2,6,6-tetramethyl, which is a heat resistance enhancer on the surface of nylon yarn to improve the heat resistance and dyeing resistance of nylon yarn at a low manufacturing cost -4-piperidinyl) [1,3-benzendicarboxamide, N, N'-bis (2,2,6,6-tetramethyl-4-piperidinyl)] to provide a method for coating the coating solution containing .
상기 코팅용 원액은 에멸전(Emulsion) 상태의 나일론 원사용 방사유제에 상 기 내열성 향상제가 용해되어 있는 것이다.The coating solution is a heat resistance improver is dissolved in the spinning yarn for nylon yarn in the emulsion state (Emulsion).
이하 본 발명은 상세하게 설명한다.Hereinafter, the present invention will be described in detail.
본 발명에 따른 내열성이 우수한 나일론 원사의 제조방법은 에멀전(Emulsion) 상태의 나일론 원사용 방사유제에 하기 구조식(I)의 1,3-벤젠디카르복아미드, N,N'-비스(2,2,6,6-테트라메틸-4-피페리디닐) [1,3-benzendicarboxamide, N,N'-bis(2,2,6,6-tetramethyl-4-piperidinyl)]을 용해시켜 코팅용 원액을 제조한 다음, 상기 코팅용 원액을 나일론 원사의 표면에 코팅하는 것을 특징으로 한다.The method for producing a nylon yarn having excellent heat resistance according to the present invention is 1,3-benzenedicaramide, N, N'-bis (2,2) of the following formula (I) in the spinning yarn for nylon yarn in emulsion state (Emulsion) , 6,6-tetramethyl-4-piperidinyl) [1,3-benzendicarboxamide, N, N'-bis (2,2,6,6-tetramethyl-4-piperidinyl)] to dissolve the coating solution After the preparation, the coating solution is characterized in that the coating on the surface of the nylon yarn.
상기 코팅용 원액내 상기 구조식(I)의 1,3-벤젠디카르복아미드, N,N'-비스(2,2,6,6-테트라메틸-4-피페리디닐) [1,3-benzendicarboxamide, N,N'-bis(2,2,6,6-tetramethyl-4-piperidinyl)]의 함량은 0.1~3중량%인 것이 바람직하며, 상기 함량은 에멀젼 상태인 나일론 원사용 방사유제의 농도에 따라 적절하게 조절한다.1,3-benzenedicarboxamide, N, N'-bis (2,2,6,6-tetramethyl-4-piperidinyl) of the formula (I) in the coating stock solution [1,3-benzendicarboxamide , N, N'-bis (2,2,6,6-tetramethyl-4-piperidinyl)] is preferably in the range of 0.1 to 3% by weight, the content of which is based on the concentration of the nylon spinning yarn in emulsion state Adjust accordingly.
상기 방사유제에 용해될 수 있는 함량이 제한되기 때문에 방사유제의 농도가 높으면 상기 함량도 증가하고, 상기 방사유제의 농도가 낮으면 상기 함량도 감소한다.Since the content that can be dissolved in the spinning oil is limited, a high concentration of the spinning oil increases the content, and a low concentration of the spinning oil also decreases the content.
상기 구조식(I)의 1,3-벤젠디카르복아미드, N,N'-비스(2,2,6,6-테트라메틸-4-피페리디닐) [1,3-benzendicarboxamide, N,N'-bis(2,2,6,6-tetramethyl-4-piperidinyl)] 함량이 0.1중량% 미만일 경우에는 내열성 및 염색성 향상 효과가 미미하게 되어 투-웨이 편물 제조시 경선 및 미염착 현상이 발생되고, 3중량%를 초과하는 경우에는 이를 방사유제내에 용해하기 위해서 방사유제의 농도를 높게해야 하기 때문에 그 결과 코팅용 원액의 점도가 상승하여 이를 원사 표면에 코팅하는 공정이 어렵게 된다.1,3-benzenedicaramide, N, N'-bis (2,2,6,6-tetramethyl-4-piperidinyl) of the above formula (I) [1,3-benzendicarboxamide, N, N ' If the content of -bis (2,2,6,6-tetramethyl-4-piperidinyl)] is less than 0.1% by weight, the effect of improving heat resistance and dyeing resistance is insignificant, resulting in meridion and undyed phenomenon in the manufacture of a two-way knitted fabric. When it exceeds 3% by weight, the concentration of the spinning oil must be increased in order to dissolve it in the spinning oil. As a result, the viscosity of the coating stock solution increases, which makes the process of coating the yarn surface difficult.
나일론 원사의 표면에 상기 코팅용 원액을 코팅하는 방법으로는, (i) 나일론 원사의 방사공정 중에 유제공급 로울러에 상기 코팅용 원액을 공급하여 방사중인 나일론 원사 표면에 코팅용 원액을 코팅하는 방법, (ii) 방사 공정단계 또는 방사공정 이후 단계에서 나일론 원사를 상기 코팅용 원액에 침지(Dipping)하는 방법, (ⅲ) 방사공정 단계 또는 방사공정 이후 단계에서 나일론 원사 표면에 상기 코팅용 원액을 분사(spray)하는 방법 등이 사용될 수 있다.Method for coating the coating stock solution on the surface of the nylon yarn, (i) a method of coating the coating stock solution on the surface of the spinning nylon yarn by supplying the coating stock solution to the emulsion supply roller during the spinning process of the nylon yarn, (ii) dipping the nylon yarn into the coating stock solution in the spinning process step or after the spinning process, (i) spraying the coating stock solution on the surface of the nylon yarn in the spinning process step or after the spinning process ( spray) may be used.
상기 에멀젼(Emulsion) 상태의 나일론 원사용 방사유제는 통상적으로 나일론 원사를 방사하는데 사용되는 모든 방사유제를 포함하며, 본 발명에서는 상기 방사유제의 종류를 특별하게 한정하는 것은 아니다.Nylon emulsion spinning emulsion in the emulsion (Emulsion) includes all the spinning oil used to spin the nylon yarn in general, in the present invention is not particularly limited to the type of the spinning oil.
본 발명은 상기 구조식(I)의 1,3-벤젠디카르복아미드, N,N'-비스(2,2,6,6-테트라메틸-4-피페리디닐) [1,3-benzendicarboxamide, N,N'-bis(2,2,6,6-tetramethyl-4-piperidinyl)]이 원사 표면에만 코팅되기 때문에 방사도프에 상기 화합물을 투입하는 방법과 비교시 상기 화합물의 투입량을 적게 하여도 동일한 수준의 내열성 및 염색성 향상효과를 얻을 수 있어 제조원가가 크게 절감된다.The present invention relates to 1,3-benzenedicarboxamide of the formula (I), N, N'-bis (2,2,6,6-tetramethyl-4-piperidinyl) [1,3-benzendicarboxamide, N , N'-bis (2,2,6,6-tetramethyl-4-piperidinyl)] is coated only on the surface of the yarn, even if the amount of the compound is reduced compared to the method of adding the compound to the spinning dope. It is possible to obtain the effect of improving heat resistance and dyeing resistance, which greatly reduces manufacturing cost.
또한, 본 발명은 적용이 용이하고, 동일한 방사도프로 생산되는 나일론 원사들 중에서도 내열성 향상이 요구되는 원사들에만 선택적으로 적용이 가능한 장점이 있다.In addition, the present invention is easy to apply, there is an advantage that can be selectively applied only to yarns that require improved heat resistance among the nylon yarns produced with the same spinning dopant.
이하, 실시예 및 비교실시예를 통하여 본 발명을 보다 구체적으로 살펴본다.Hereinafter, the present invention will be described in more detail with reference to Examples and Comparative Examples.
그러나, 본 발명이 하기 실시예에 의해 한정되는 것은 아니다.However, the present invention is not limited by the following examples.
실시예Example 1 One
먼저, 2% 농도의 에멀젼 상태인 나일론 원사용 방사유제에 상기 구조식(I)의 1,3-벤젠디카르복아미드, N,N'-비스(2,2,6,6-테트라메틸-4-피페리디닐) [1,3-benzendicarboxamide, N,N'-bis(2,2,6,6-tetramethyl-4-piperidinyl)]을 0.2중량% 용해시켜 코팅용 원액을 제조하였다.First, 1,3-benzenedicarboxamide, N, N'-bis (2,2,6,6-tetramethyl-4- in formula (I) was added to a nylon spinning spinning emulsion in an emulsion state of 2% concentration. Piperidinyl) [1,3-benzendicarboxamide, N, N'-bis (2,2,6,6-tetramethyl-4-piperidinyl)] was dissolved 0.2% by weight to prepare a coating solution.
다음으로, 나일론 원사를 방사하는 방사공정에서 방사유제 대신에 상기 코팅용 용액을 방사유제 공급로울러로 방사되는 원사의 표면에 코팅하여 70 데니어/24필라멘트의 나일론 원사를 제조하였다.Next, in the spinning process of spinning a nylon yarn, the coating solution was coated on the surface of the yarn spun with a spinning oil feed roller instead of the spinning oil to prepare a nylon yarn of 70 denier / 24 filaments.
다음으로, 상기와 같이 제조된 나일론 원사와 70 데니어/24 필라멘트의 스판덱스 원사를 85중량% : 15중량%로 사용하여 투-웨이 편물을 제조하였다.Next, a two-way knitted fabric was prepared using the nylon yarn prepared as described above and a spandex yarn of 70 denier / 24 filaments at 85 wt%: 15 wt%.
제조된 나일론 원사의 열처리 후의 강도 및 신도 변화율과 제조된 투-웨이 편물의 염색특성을 평가한 결과는 표 1과 같다.The results of evaluating the strength and elongation change rate after heat treatment of the prepared nylon yarn and the dyeing characteristics of the manufactured two-way knitted fabric are shown in Table 1.
실시예Example 2 2
먼저, 10% 농도의 에멀젼 상태인 나일론 원사용 방사유제에 상기 구조식(I)의 1,3-벤젠디카르복아미드, N,N'-비스(2,2,6,6-테트라메틸-4-피페리디닐) [1,3-benzendicarboxamide, N,N'-bis(2,2,6,6-tetramethyl-4-piperidinyl)]을 0.2중량% 용해시켜 코팅용 원액을 제조하였다.First, 1,3-benzenedicarboxamide, N, N'-bis (2,2,6,6-tetramethyl-4- in the formula (I) was added to a nylon spinning spinning oil in an emulsion state of 10% concentration. Piperidinyl) [1,3-benzendicarboxamide, N, N'-bis (2,2,6,6-tetramethyl-4-piperidinyl)] was dissolved 0.2% by weight to prepare a coating solution.
다음으로, 나일론 원사를 방사하는 방사공정에서 방사유제 대신에 상기 코팅용 용액을 방사유제 공급로울러로 방사되는 원사의 표면에 코팅하여 70 데니어/24필라멘트의 나일론 원사를 제조하였다.Next, in the spinning process of spinning a nylon yarn, the coating solution was coated on the surface of the yarn spun with a spinning oil feed roller instead of the spinning oil to prepare a nylon yarn of 70 denier / 24 filaments.
다음으로, 상기와 같이 제조된 나일론 원사와 70 데니어/24 필라멘트의 스판덱스 원사를 85중량% : 15중량%로 사용하여 투-웨이 편물을 제조하였다.Next, a two-way knitted fabric was prepared using the nylon yarn prepared as described above and a spandex yarn of 70 denier / 24 filaments at 85 wt%: 15 wt%.
제조된 나일론 원사의 열처리 후의 강도 및 신도 변화율과 제조된 투-웨이 편물의 염색특성을 평가한 결과는 표 1과 같다.The results of evaluating the strength and elongation change rate after heat treatment of the prepared nylon yarn and the dyeing characteristics of the manufactured two-way knitted fabric are shown in Table 1.
실시예Example 3 3
먼저, 10% 농도의 에멀젼 상태인 나일론 원사용 방사유제에 상기 구조식(I)의 1,3-벤젠디카르복아미드, N,N'-비스(2,2,6,6-테트라메틸-4-피페리디닐) [1,3-benzendicarboxamide, N,N'-bis(2,2,6,6-tetramethyl-4-piperidinyl)]을 0.5중량% 용해시켜 코팅용 원액을 제조하였다.First, 1,3-benzenedicarboxamide, N, N'-bis (2,2,6,6-tetramethyl-4- in the formula (I) was added to a nylon spinning spinning oil in an emulsion state of 10% concentration. Piperidinyl) [1,3-benzendicarboxamide, N, N'-bis (2,2,6,6-tetramethyl-4-piperidinyl)] was dissolved in 0.5% by weight to prepare a coating solution.
다음으로, 나일론 원사를 방사하는 방사공정에서 방사유제 대신에 상기 코팅용 용액을 방사유제 공급로울러로 방사되는 원사의 표면에 코팅하여 70 데니어/24 필라멘트의 나일론 원사를 제조하였다.Next, in the spinning process of spinning a nylon yarn, the coating solution was coated on the surface of the yarn spun with a spinning oil feed roller instead of the spinning oil to prepare a nylon yarn of 70 denier / 24 filaments.
다음으로, 상기와 같이 제조된 나일론 원사와 70 데니어/24 필라멘트의 스판덱스 원사를 85중량% : 15중량%로 사용하여 투-웨이 편물을 제조하였다.Next, a two-way knitted fabric was prepared using the nylon yarn prepared as described above and a spandex yarn of 70 denier / 24 filaments at 85 wt%: 15 wt%.
제조된 나일론 원사의 열처리 후의 강도 및 신도 변화율과 제조된 투-웨이 편물의 염색특성을 평가한 결과는 표 1과 같다.The results of evaluating the strength and elongation change rate after heat treatment of the prepared nylon yarn and the dyeing characteristics of the manufactured two-way knitted fabric are shown in Table 1.
비교실시예Comparative Example 1 One
나일론 원사를 방사하는 방사공정에서 실시예 1의 코팅용 용액을 사용하는 대신에 통상의 나일론 원사 방사용 유제 (1,3-벤젠디카르복아미드, N,N'-비스(2,2,6,6-테트라메틸-4-피페리디닐) [1,3-benzendicarboxamide, N,N'-bis(2,2,6,6-tetramethyl-4-piperidinyl)] 미함유)를 사용한 것을 제외하고는 실시예 1과 동일하게 나일론 원사 및 투-웨이 편물을 제조하였다.Instead of using the coating solution of Example 1 in the spinning process for spinning the nylon yarns, conventional nylon yarn spinning emulsions (1,3-benzenedicarboxamide, N, N'-bis (2,2,6, 6-tetramethyl-4-piperidinyl) (without 1,3-benzendicarboxamide, N, N'-bis (2,2,6,6-tetramethyl-4-piperidinyl)]) Nylon yarns and two-way knits were prepared in the same manner as in Example 1.
제조된 나일론 원사의 열처리 시간별 강도 및 신도 변화율과 제조된 투-웨이 편물의 염색특성을 평가한 결과는 표 1과 같다.The results of evaluating the strength and elongation change rate of the prepared nylon yarn by heat treatment time and the dyeing characteristics of the manufactured two-way knitted fabric are shown in Table 1.
division
강도변화율After heat treatment
Intensity change rate
변화율Elongation after heat treatment
Rate of change
상기 표 1에서 열처리 후의 강도 변화율 및 열처리 후의 신도 변화율은 170℃에서 나일론 원사를 30분 동안 열처리한 후 측정한 강도 및 신도와 열처리전의 강도 및 신도를 아래식에 대입하여 계산한 값이다.In Table 1, the strength change rate after heat treatment and elongation change rate after heat treatment are values calculated by substituting the strength and elongation measured after heat treatment of nylon yarn for 30 minutes at 170 ° C. and the strength and elongation before heat treatment in the following equations.
한편, 투-웨이 편물의 염색특성은 제편된 투-웨이 편물 생지를 산성염료로 통상의 염색조건으로 염색한 후 가로 1㎡×세로 1㎡의 면적에 경선 및 미염착부분 존재여부를 육안으로 관찰하여 평가하였다.On the other hand, the dyeing characteristics of the two-way knitted fabrics were dyed by the normal dyeing conditions of the knitted two-way knitted fabrics under normal dyeing conditions, and then visually observed the presence of meridians and undyed parts in an area of 1㎡ x 1㎡. Evaluated.
본 발명은 나일론 원사의 내열성 및 염색성을 비교적 낮은 제조원가로 향상시킬 수 있다. 그로 인해, 본 발명으로 제조된 나일론 원사는 편물용 원사, 특히 투-웨이 편물용 원사로 유용하다.The present invention can improve the heat resistance and dyeing resistance of nylon yarn with a relatively low manufacturing cost. Therefore, the nylon yarn produced by the present invention is useful as a yarn for knitting, especially a two-way knitting yarn.
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| KR1020070018861A KR101016001B1 (en) | 2007-02-26 | 2007-02-26 | Method of manufacturing nylon yarn with excellent heat resistant property |
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| KR900008846A (en) * | 1988-11-03 | 1990-06-03 | 삼성전관 주식회사 | Solid state imaging device |
| US6843939B2 (en) | 2001-12-27 | 2005-01-18 | Cytec Technology Corp. | UV stabilizing additive composition |
| WO2006002187A1 (en) * | 2004-06-22 | 2006-01-05 | Invista Technologies S.A R.L. | Solubilized additive composition comprising acidic and basic constituents |
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| KR900008846A (en) * | 1988-11-03 | 1990-06-03 | 삼성전관 주식회사 | Solid state imaging device |
| US6843939B2 (en) | 2001-12-27 | 2005-01-18 | Cytec Technology Corp. | UV stabilizing additive composition |
| WO2006002187A1 (en) * | 2004-06-22 | 2006-01-05 | Invista Technologies S.A R.L. | Solubilized additive composition comprising acidic and basic constituents |
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