KR19990038182A - Spinning oil for spandex with excellent heat resistance - Google Patents

Spinning oil for spandex with excellent heat resistance Download PDF

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Publication number
KR19990038182A
KR19990038182A KR1019970057829A KR19970057829A KR19990038182A KR 19990038182 A KR19990038182 A KR 19990038182A KR 1019970057829 A KR1019970057829 A KR 1019970057829A KR 19970057829 A KR19970057829 A KR 19970057829A KR 19990038182 A KR19990038182 A KR 19990038182A
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spinning
spandex
heat resistance
modified siloxane
weight
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KR1019970057829A
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Korean (ko)
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권오관
서승원
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전원중
주식회사 효성
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Publication of KR19990038182A publication Critical patent/KR19990038182A/en

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Abstract

본 발명은 7 내지 15센티스토크의 폴리디메틸실록산 45 내지 75중량%, 미네랄오일 20 내지 40중량%에 고분자 아밀 변성실록산과 폴리에테르변성실록산을 각각 2 내지 10중량% 부가하여 조성되는 내열성이 우수한 스판덱스용 방사유제에 관한 것으로, 내열성이 향상됨으로써 방사 가스 필터 교체횟수가 감소하는 등의 방사작업성이 향상되는 잇점이 있다.The present invention is a spandex excellent heat resistance is formed by adding 2 to 10% by weight of polymer amyl modified siloxane and polyether-modified siloxane to 45 to 75% by weight of polydimethylsiloxane of 7 to 15 centistokes, 20 to 40% by weight of mineral oil The spinning oil for solvents has an advantage of improving spinning workability, such as a reduction in the number of replacement of the spinning gas filter due to improved heat resistance.

Description

내열성이 우수한 스판덱스용 방사유제Spinning oil for spandex with excellent heat resistance

본 발명은 스판덱스용 방사유제에 관한 것으로, 더욱 상세하게는 스판덱스 방사 직후에 부착되는 유제성분중 주성분인 폴리디메틸실록산의 점도를 조절하고, 제전제로서 고분자 아밀실록산을 사용하여 제전성 및 내열성을 향상시킨 스판덱스용 방사유제에 관한 것이다.The present invention relates to a spinning oil spinning agent for spandex, and more particularly, to control the viscosity of the polydimethylsiloxane, the main component of the emulsion component attached immediately after spinning, and to improve the antistatic and heat resistance by using a polymer amylosiloxane as an antistatic agent It relates to a spinning oil for spandex.

스판덱스는 폴리우레탄 탄성섬유의 총칭에 해당하는 것으로 신도 및 탄성 회복율이 우수하여 고신축성 편직물에 많이 이용되고 있으나, 일반적인 의료용 섬유에 비해서 실간의 접착성이 크기 때문에 해사성이 불량하여 커버링, 정경 및 편직 작업 등의 후가공 공정에서 사절이 다발하고 정전기의 발생이 높아 실간 장력 불균일이 발생하는 등의 단점이 있다.Spandex is a general term of polyurethane elastic fiber, and it is widely used in high elastic knitted fabrics because of its excellent elongation and elastic recovery rate.However, it is poor in seaability because of its high adhesiveness between yarns compared to general medical fibers. In post-processing processes such as work, there are disadvantages such as frequent thread trimming and high generation of static electricity, resulting in uneven tension between threads.

이와 같은 문제점을 해결하기 위하여 일본국 특공소 40-5557에는 스판덱스 방사유제중에 금속염을 함유시켜 실간의 해사성을 개량한 방법을 제안하고 있는데, 이 방법에 의하면 목적하는 해사성은 개선되지만 과다한 해사성으로 인해 스판덱스 케이크에 벌지 및 능락이 생겨 후가공 작업시 사절 등의 문제가 발생하며 유제중에 함유된 금속염의 미세한 분말에 의해서 정경기 및 편직기 가이드와 실 접촉부분에 스컴(Scum)의 발생이 증가하게 되고, 발생한 스컴으로 인해 실간의 정전기가 발생하게 되어 최종적으로는 직물의 품위를 저하시키게 되는 다른 문제점이 유발되었다.In order to solve such a problem, Japanese Special Office 40-5557 proposes a method of improving the desolvability of real time by containing a metal salt in a spandex spinning oil. Due to the bulge and slump in the spandex cake, problems such as trimming occurs during the post-processing operation, and the occurrence of scum in the warp and knitting machine guides and the thread contact portion increases due to the fine powder of the metal salt contained in the emulsion. As a result of the scum generated, the static electricity between the yarns is generated, which in turn causes other problems that degrade the fabric quality.

또한, 스판덱스의 방사방법중 건식방사에서는 가열된 고온(200 내지 400℃)의 질소나 공기를 사용하여 고화 및 세화를 진행하는데, 이때 유제가 방사 및 권취공정에서 방사통 하부로 비산되어 흡입될 수 있으며, 흡입된 유제는 고온의 질소나 공기에 의해 가열분해 됨으로써 질소 또는 공기 등의 방사가스 순환계의 필터를 막아 방사작업성을 저하시키는 문제점을 유발하기도 한다.In addition, in the spinning method of the spinning method of spandex, solidification and washing are carried out using heated high temperature (200 to 400 ° C.) nitrogen or air, wherein an emulsion may be sucked into the bottom of the spinning barrel in the spinning and winding process. In addition, the inhaled emulsion may be thermally decomposed by nitrogen or air at high temperature, thereby causing a problem of reducing the radiation workability by blocking the filter of the radiation gas circulation system such as nitrogen or air.

따라서, 상기와 같은 문제점들을 해결할 수 있는 내열성이 우수한 방사유제가 요구되고 있는 실정이다.Therefore, there is a demand for a spinning oil having excellent heat resistance that can solve the above problems.

본 발명은 상기에서 언급한 문제점을 해결하고자 안출된 것으로 유제성분중 주성분인 폴리디메틸실록산의 점도를 조절하고, 제전제로서 고분자 아밀실록산을 사용한 제전성 및 내열성이 우수한 스판덱스용 방사유제를 제공하는 것이다.The present invention has been made to solve the above-mentioned problems to provide a spinning oil spinning agent for spandex excellent in controlling the viscosity of the polydimethylsiloxane, the main component of the emulsion component, and excellent antistatic and heat resistance using the polymer amylosiloxane as an antistatic agent .

즉, 본 발명은 7 내지 15센티스토크의 폴리디메틸실록산 45 내지 75중량%, 미네랄오일 20 내지 40중량%에 고분자 아밀 변성실록산과 폴리에테르변성실록산을 각각 2 내지 10중량% 부가하여 조성되는 내열성이 우수한 스판덱스용 방사유제에 관한 것이다.That is, the present invention is heat resistance that is formed by adding 2 to 10% by weight of polymer amyl modified siloxane and polyether modified siloxane to 45 to 75% by weight of polydimethylsiloxane of 7 to 15 centistokes and 20 to 40% by weight of mineral oil, respectively. It relates to a good spinning oil for spandex.

이하에서 본 발명을 상세히 설명하면 다음과 같다.Hereinafter, the present invention will be described in detail.

본 발명에서 유제성분의 주성분인 폴리디메틸실록산은 하기 화학식 1과 같은 구조를 갖는 화합물이며,In the present invention, the polydimethylsiloxane, which is the main component of the emulsion component, is a compound having a structure as shown in Formula 1 below.

(여기서 R1, R2는 수소원자, 알킬기 또는 아릴기이다)(Wherein R 1 , R 2 is a hydrogen atom, an alkyl group or an aryl group)

점도는 임의의 선택이 가능하지만 후가공시 가이드류, 예를들면 정경 및 편직시의 콥, 스네일가이드 등과의 마찰저항 및 내열성을 향상시키기 위해서 7 내지 15센티스토크가 바람직하다. 점도가 15센티스토크를 초과하는 경우에는 가이드류에 걸리는 마찰저항이 커서 실간의 작업 균일도가 불량해지며, 7센티스토크 미만에서는 점도 하락에 의한 스판덱스 유제함량(oil pick up %) 관리상 문제 및 내열성 약화에 의한 유제의 분해문제가 발생하게 된다. 참고로 폴리디메틸실록산의 점도에 따른 열분해 개시온도를 비교하면 5센티스토크의 경우에는 90℃, 10센티스토크의 경우에는 160℃로 그 차이가 큼을 알 수 있다.Although the viscosity can be selected arbitrarily, 7 to 15 centistokes is preferable in order to improve friction resistance and heat resistance with guides, for example, cobs and snail guides, for example, in diameter and knitting. If the viscosity exceeds 15 centistokes, the friction resistance applied to the guides is large, resulting in poor working uniformity between threads, and below 7 centistokes, the problem of management of spandex oil pick up% due to viscosity decrease and thermal resistance The weakening of the emulsion causes problems. For reference, comparing the thermal decomposition initiation temperature according to the viscosity of the polydimethylsiloxane can be seen that the difference is large as 90 ℃ for 5 centistokes, 160 ℃ for 10 centistokes.

본 발명에서 첨가되는 고분자 아밀 변성실록산은 분자량에 따라 8,000 내지 13,000센티스토크의 점도를 갖는 것이 바람직하나 스판덱스 표면의 적정 마찰특성과 제전성을 고려할 때 10,000센티스토크가 가장 바람직하다.The polymer amyl modified siloxane added in the present invention preferably has a viscosity of 8,000 to 13,000 centistokes depending on the molecular weight, but 10,000 centistokes is most preferable in consideration of proper friction characteristics and antistatic properties of the spandex surface.

폴리에테르 변성실록산은 하기 화학식 2와 같은 구조를 갖는 화합물로서 점도는 3,000센티스토크 미만, 바람직하게는 1,500센티스토크 미만이다.Polyether-modified siloxane is a compound having a structure as shown in the following formula (2) viscosity is less than 3,000 centistokes, preferably less than 1,500 centistokes.

( ─ O ─ R3─ )(─ O ─ R 3 ─)

(여기서 R3는 2가의 유기기를 갖는다)(Wherein R 3 has a divalent organic group)

이하에서 본 발명을 실시예를 들어 더욱 상세히 설명하고자 하나, 본 발명이 하기 실시예에 의하여 제한되는 것은 아니다.Hereinafter, the present invention will be described in more detail with reference to Examples, but the present invention is not limited to the following Examples.

실시예Example

폴리에테르형 스판덱스 섬유의 건식방사직후에 하기 표 1과 같은 조성을 갖는 유제를 실에 부착하여 4 필라멘트 40데니어의 폴리에테르형 스판덱스를 수득한 후 스판덱스 섬유의 해사장력, F/M(Fiber/Metal)마찰계수, 정전기, 능락, 스컴발생 및 방사공정의 가스필터 교체횟수 등을 평가하여 표 1에 나타내었다.Immediately after the dry spinning of the polyether-type spandex fibers, an emulsion having a composition as shown in Table 1 was attached to the yarn to obtain a polyether-type spandex having 4 filaments of 40 deniers, and the sea-fighting force of the spandex fibers, F / M (Fiber / Metal) The coefficients of friction, static electricity, breakdown, scum generation and the number of gas filter replacements in the spinning process are evaluated and shown in Table 1.

비교예 1Comparative Example 1

방사직후에 상기 실시예의 고분자 아밀 변성실록산 대신에 마그네슘스테아린산을 첨가시키고, 폴리디메틸실록산의 조성비를 달리한 것을 제외하고는 실시예와 같은 유제 조성을 사용한 후 물성을 평가하여 표 1에 나타내었다.Immediately after spinning, magnesium stearic acid was added instead of the polymer amyl modified siloxane of the above example, and the physical properties were evaluated after using the same emulsion composition as in Example 1 except that the composition ratio of polydimethylsiloxane was changed.

비교예 2Comparative Example 2

저점도 폴리디메틸실록산을 사용한 것을 제외하고는 실시예와 같은 조성의 방사유제를 사용한 후 물성을 평가하여 표 1에 나타내었다.Except that the low viscosity polydimethylsiloxane was used, after using the spinning oil of the same composition as in Example, the physical properties were shown in Table 1 below.

실시예Example 비교예 1Comparative Example 1 비교예 2Comparative Example 2 유제성분 (중량%)Emulsion ingredient (% by weight) 폴리디메틸실록산(점도,센티스토크)Polydimethylsiloxane (viscosity, centistoke) 60(10)60 (10) 63(10)63 (10) 60(5)60 (5) 미네랄 오일Mineral oil 3030 3030 3030 고분자아밀변성실록산Polymer Amyl Modified Siloxane 55 -- 55 폴리에테르변성실록산Polyether modified siloxane 55 55 55 마그네슘스테아린산Magnesium Stearate -- 22 -- 유제 부착량(%)Emulsion adhesion amount (%) 5∼65 to 6 5∼65 to 6 5∼65 to 6 해사장력(g, 1개월 경과후)Maritime power (g, after one month) 0.60.6 0.430.43 0.590.59 F/M 마찰계수(300m/min)F / M Friction Coefficient (300m / min) 0.180.18 0.200.20 0.180.18 능락횟수 (1케이크당 평균)Flap count (average per cake) 00 33 00 스컴(Scum)Scum 없음none 발생Occur 없음none 정전기(kV)Static electricity (kV) 0.5∼1.00.5 to 1.0 3∼43 to 4 1.0∼1.51.0 to 1.5 방사 가스필터 교체횟수(회/년)Frequency of radiation gas filter replacement (times / year) 00 00 22

이상에서와 같이 점도가 조절된 폴리디메틸실록산과 제전제로서 고분자 아밀 변성실록산이 함유된 본 발명의 스판덱스용 방사유제를 사용함으로써 제전성, 주행마찰성, 능락, 스컴시험등에서 우수한 효과를 나타내고 내열성 향상으로 인하여 방사 가스필터 교체횟수가 종래의 방사유제를 사용한 경우보다 감소하게 된다.As described above, the use of the spandex spinning oil of the present invention containing polymer amyl modified siloxane as a viscosity-controlled polydimethylsiloxane and an antistatic agent exhibits excellent effects in antistatic properties, running friction, slack and scum tests, and improved heat resistance. Due to this, the number of spinning gas filter replacements is reduced compared to using a conventional spinning oil.

Claims (4)

폴리디메틸실록산 45 내지 75중량%, 미네랄오일 20 내지 40중량%에 고분자 아밀 변성실록산과 폴리에테르 변성실록산을 각각 2 내지 10중량% 부가하여 조성되는 내열성이 우수한 스판덱스용 방사유제.A spinning oil spinning agent having excellent heat resistance, which is formed by adding 2 to 10% by weight of polymer amyl modified siloxane and polyether modified siloxane to 45 to 75% by weight of polydimethylsiloxane and 20 to 40% by weight of mineral oil. 제 1항에 있어서, 폴리디메틸실록산은 하기의 화학식 1과 같은 구조이며 점도가 7 내지 15센티스토크인 것을 특징으로 하는 내열성이 우수한 스판덱스용 방사유제.[Claim 2] The spinning oil spinning agent having excellent heat resistance according to claim 1, wherein the polydimethylsiloxane has the same structure as in Chemical Formula 1 below and has a viscosity of 7 to 15 centistokes. 화학식 1Formula 1 (여기서 R1, R2는 수소원자, 알킬기 또는 아릴기이다)(Wherein R 1 , R 2 is a hydrogen atom, an alkyl group or an aryl group) 제 1항에 있어서, 상기 고분자 아밀 변성실록산은 점도가 8,000 내지 13,000인 것을 특징으로 하는 스판덱스용 방사유제.The spinning oil spinning agent for spandex according to claim 1, wherein the polymer amyl modified siloxane has a viscosity of 8,000 to 13,000. 제 1항에 있어서, 상기 폴리에테르 변성실록산은 하기 화학식 2와 같은 구조이며, 3,000센티스토크 이하의 점도를 갖는 것을 특징으로 하는 스판덱스용 방사유제.The spinning oil spinning agent for spandex according to claim 1, wherein the polyether-modified siloxane has a structure represented by the following Chemical Formula 2, and has a viscosity of 3,000 centistokes or less. 화학식 2Formula 2 ( ─ O ─ R3─ )(─ O ─ R 3 ─) (여기서 R3는 2가의 유기기를 갖는다)(Wherein R 3 has a divalent organic group)
KR1019970057829A 1997-11-04 1997-11-04 Spinning oil for spandex with excellent heat resistance KR19990038182A (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100444373B1 (en) * 2002-01-24 2004-08-16 주식회사 효성 Nonsilicon spandex spinning oil composition and oiling method thereof
KR101223340B1 (en) * 2009-12-31 2013-01-16 주식회사 효성 Non-silicon based spandex spinning oil composition and spandex fiber prepared by using the same

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100444373B1 (en) * 2002-01-24 2004-08-16 주식회사 효성 Nonsilicon spandex spinning oil composition and oiling method thereof
KR101223340B1 (en) * 2009-12-31 2013-01-16 주식회사 효성 Non-silicon based spandex spinning oil composition and spandex fiber prepared by using the same

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