KR900004910B1 - Nylon hollow fillament yarn and that's manufacturing process - Google Patents

Nylon hollow fillament yarn and that's manufacturing process Download PDF

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KR900004910B1
KR900004910B1 KR1019870014642A KR870014642A KR900004910B1 KR 900004910 B1 KR900004910 B1 KR 900004910B1 KR 1019870014642 A KR1019870014642 A KR 1019870014642A KR 870014642 A KR870014642 A KR 870014642A KR 900004910 B1 KR900004910 B1 KR 900004910B1
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hollow
filament yarn
fineness
roller
nylon
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KR890010292A (en
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이병재
박기현
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주식회사 코오롱
이상철
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    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01D—MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
    • D01D5/00—Formation of filaments, threads, or the like
    • D01D5/24—Formation of filaments, threads, or the like with a hollow structure; Spinnerette packs therefor

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  • Spinning Methods And Devices For Manufacturing Artificial Fibers (AREA)
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Abstract

A process for mfg. a nylon hollow filament yarn having 10-20 % hollowness and thick and thin parts comprises mfg. an undrawn nylon hollow filament yarn in the hollow spinning nozzle (1), and drawing it in the top roller (2) and drawing roller (3). The hollow filament yarn satisfies the conditions: 20 < D < 500 [D= fineness (denier) ; 30 < U < 80 [U= fineness irregularity (%) ; 10 < H < 35 [H= thick and thin part no. per meter (no./m) ; 1.2 <D2/D1 < 2.5 [D2= ave. dia. of thick part; D1= ave. dia. of thin part .

Description

섬도가 불규칙한 나일론 중공필라멘트사 및 그 제조방법Nylon hollow filament yarn with irregular fineness and manufacturing method

제1a, b, c도는 본 발명에 사용되는 중공방사 구금공의 예시도.Figure 1a, b, c is an illustration of the hollow spinneret used in the present invention.

제2a, b도는 본 발명에 사용되는 톱로울러의 사시도.2a and b are perspective views of the saw roller used in the present invention.

제3a, b도는 본 발명에 사용되는 드로로울러의 정면도 및 측면도.3a and b are front and side views of the drawer used in the present invention.

* 도면의 주요부분에 대한 부호의 설명* Explanation of symbols for main parts of the drawings

1 : 방사구금공 2 : 톱로울러1: spinneret 2: saw roller

3 : 드로로울러 2a,3a : 홈3: drawer 2a, 3a: groove

섬도가 불규칙한 나일론 중공필라멘트사 및 그 제조방법에 관한 것이다.The present invention relates to a nylon hollow filament yarn having irregular fineness and a method of manufacturing the same.

섬유축방향으로 태세부를 가지는 열가소성 합성섬유 필라멘트사는 다음과 같은 방법들에 의하여 제조된다. 첫째, 방사 또는 연신중에 사의 장력을 변동시키는 방법. 둘째, 2성분으로 된 복합섬유를 방사할 때 각 성분의 토출비율을 변화시키는 방법. 셋째, 특정한 복굴절율을 가지는 고배향 미연신사를 특정조건으로 연신한 다음 이완 열처리하는 방법들이다.The thermoplastic synthetic fiber filament yarn having the posture in the fiber axis direction is manufactured by the following method. First, a method of varying the tension of yarns during spinning or stretching. Second, the method of changing the discharge ratio of each component when spinning the two-component composite fiber. Third, high-oriented unoriented yarns having a specific birefringence are drawn under specific conditions, and then relaxed heat treatment is performed.

그런데 첫째와 둘째방법들은 복잡한 장치를 써야 하고, 생산성이 낮으므로 공업적으로 실시하기 어려운 문제점이 있으며, 셋째 방법은 특정조건의 미연신사를 사용하여야만 하는 문제점이 있었다.However, the first and second methods have to use a complicated device, and the productivity is low, so there is a problem that it is difficult to implement industrially, and the third method has a problem of using a non-drawn yarn under specific conditions.

본 발명은 통상의 중공나일론 미연신사를 사용하되 비교적 간단한 장치로 제조되는 중공이면서 섬도가 불균일한 나이론 필라멘트사 및 그 제조방법에 관한 것으로서 이하 예시도면에 의하여 본 발명을 상세히 설명하면 다음과 같다.The present invention relates to a nylon filament yarn having a hollow and non-uniform fineness manufactured using a conventional hollow nylon non-stretched yarn and having a relatively simple device, and the present invention will be described in detail with reference to the following drawings.

본 발명은 특정한 조건을 만족시키는 중공방사구금공(1)과 톱로울러(2) 및 드로로울러(3)를 사용하여 제조하는 것으로서, 중공방사구금공(1)은 제1a, b, c도에 예시한 바와 같이 스릿트폭(S)과 스릿트간의 간격(B)이 다음 조건(I)을 만족하여야 한다.The present invention is to manufacture using a hollow spinneret ball (1), a top roller (2) and a drawer roller (3) that satisfies specific conditions, the hollow spinneret ball (1) is shown in Figure 1a, b, c As illustrated, the distance B between the split width S and the split must satisfy the following condition (I).

Figure kpo00002
Figure kpo00002

톱로울러(2)는 제2a, b도에 예시한 바와 같이 그 주면에 장방형의 홈(2a)을 4~10개 파놓았으며 다음 조건(II)을 만족하여야 한다.As shown in Figs. 2a and b, the top roller 2 digs 4 to 10 rectangular grooves 2a on its main surface and the following condition (II) must be satisfied.

Figure kpo00003
Figure kpo00003

단, b : 홈(2a)의 폭, Σb : 폭(b)의 합계, c : 톱로울러의 직경.Where b is the width of the grooves 2a,? B is the sum of the widths b, and c is the diameter of the saw roller.

또 드로로울러(3)는 제3a, b도에 예시한 바와 같이 그 주면에 홈(3a)을 4~10개 파놓았으며 다음 조건(III)을 만족하여야 한다.In addition, the draw roller 3 has 4 to 10 grooves 3a in its main surface, as illustrated in Figs. 3a and b, and the following condition (III) must be satisfied.

Figure kpo00004
Figure kpo00004

단, f : 홈(3a)의 폭, Σf : 폭(f)의 합계, e : 드로로울러의 직경.Where f is the width of the grooves 3a,? F is the sum of the widths f, and e is the diameter of the drawer.

아울러 드로로울러(3)의 주면은 홈(3a)을 중심으로 하여서 교호로 표면조도가 큰 도금층과 표면조도가 작은 도금층으로 구분 형성시켰다.In addition, the main surface of the draw roller (3) was formed to be divided into a plating layer having a large surface roughness and a plating layer having a small surface roughness alternately around the groove (3a).

본 발명의 작용효과를 설명하면 아래와 같다. 본 발명은 중공방사구금공(1)의 스릿트폭(S)과 스릿트간격(B)이 (I)조건을 만족시킴으로서 중공율이 5~30%인 미연신사를 제조할 수 있었으며 따라서 중량이 가볍고 부드러운 중공사를 얻을 수 있는 것이다.Referring to the effects of the present invention. According to the present invention, the split width (S) and the split interval (B) of the hollow spinneret (1) satisfy the condition (I). Thus, unstretched yarn having a hollow ratio of 5 to 30% can be manufactured, and thus the weight is light. Soft hollow fiber can be obtained.

또 본 발명은 톱로울러(2)에 장방형 홈(2a)을 파놓았으므로 톱로울러(2)를 지나는 사는 스립(Slip)과 연신작용이 교대로 일어나서 태세부를 형성시키게 된다.In addition, according to the present invention, since the rectangular grooves 2a are excavated in the top roller 2, the slips and the stretching action that alternately pass through the top roller 2 occur alternately to form the posture portion.

본 발명에서 홈(2a)의 폭(b)이 30mm를 초과하면 태부의 길이가 너무 길게 나타나고, 5mm 미만이 되면 태부의 길이가 너무 짧아진다.In the present invention, if the width (b) of the groove (2a) exceeds 30mm, the length of the taut appears too long, if less than 5mm the length of the taut becomes too short.

아울러

Figure kpo00005
가 2.3을 초과하면 태부의 빈도가 세부에 비하여 너무 많아지고, 0.5미만이면 세부에 비하여 태부가 너무 적어지므로 조건(II)를 만족시켜야만 태세효과가 이상적으로 발현될 수 있다.together
Figure kpo00005
If more than 2.3, the frequency of the placenta is too much in detail, and if less than 0.5, the placenta is too small in comparison with the details, so the posture effect can be ideally expressed only when the condition (II) is satisfied.

또 본 발명은 드로로울러(3)에 홈(3a)을 파놓았으므로 드로로울러(3)을 지나는 사는 연신배율이 연속적으로 변화되어서 톱로울러(2)에서 발생된 태세부 효과가 더욱 세분화되고 증대된다.In addition, in the present invention, since the groove 3a is dug into the draw roller 3, the draw ratio passing through the draw roller 3 is continuously changed, so that the posture effect generated in the saw roller 2 is further subdivided and increased. .

본 발명에서 홈(3a)의 폭(f)이 30mm를 초과하면 태부의 길이가 너무 길어지며 1mm미만이면 너무 짧아진다. 아울러

Figure kpo00006
가 2.0을 초과하면 태부가 지나치게 많이 발생하고 0.5미만이 되면 세부에 비하여 태부가 적게 발생하기 때문에 조건(III)을 만족시켜야만 태세효과가 이상적으로 발현될 수 있다. 이하 본 발명을 실시예 및 비교예에 의거 설명한다.In the present invention, if the width f of the grooves 3a exceeds 30 mm, the length of the fetus becomes too long, and if it is less than 1 mm, it becomes too short. together
Figure kpo00006
If is greater than 2.0, too many births occur and less than 0.5 generations result in less birth defects than the details. Therefore, the condition (III) can be ideally expressed when the posture effect is realized. Hereinafter, the present invention will be described based on Examples and Comparative Examples.

[실시예 1~5, 비교예 1~4][Examples 1-5, Comparative Examples 1-4]

R.V. 가 2.57인 나이론 폴리머를 표 1의 조건을 만족하는 제1도의 중공방사 구금공을 사용하여 방사사속 954m/mim으로 미연신사를 권취후 24시간 이상 방치후 연신공정에서 표 1의 조건을 만족하는 제2도 및 제3도의 톱로울러와 드로로울러를 사용하여 연신한 다음 보빈에 2kg 권취하여 원사의 물성을 조사하고 제직 및 염색하여 그 효과를 표 2에 나타내었다.R.V. A nylon polymer having a value of 2.57 was used for the non-stretched yarn at a spinning flux of 954 m / mim using a hollow spinning cap in FIG. 1 that satisfies the conditions shown in Table 1. Stretching was carried out using the saw rollers and draw rollers of FIGS. 2 and 3, and then wound around 2 kg in bobbins to investigate the properties of the yarns, and weaving and dyeing the results are shown in Table 2.

[표 1]TABLE 1

Figure kpo00007
Figure kpo00007

[표 2]TABLE 2

Figure kpo00008
Figure kpo00008

Claims (2)

중공율이 10%~25%이고 태세부를 갖는 나일론 중공필라멘트사로 다음 조건들을 만족하는 섬도가 불규칙한 나일론 중공필라멘트사.Nylon hollow filament yarn having a hollow ratio of 10% to 25% and having a posture with irregular fineness satisfying the following conditions.
Figure kpo00009
Figure kpo00009
 단, D:섬도(Denier), U% : 섬도불균일도(%), H: m당 태세부발생수(개/m), D2: 태부 평균단면직경, D1: 세부 평균단면직경However, D: fineness, U%: fineness unevenness (%), H: number of postures per m (dog / m), D 2 : average sectional diameter of the fetus, D 1 : detailed average sectional diameter 다음 조건(I)을 만족하는 중공방사구금공(1)으로 중공의 미연신 나일론 필라멘트사를 제조한 다음 24시간 이상 방치한 후, 표면에 각각 홈(2a)과 홈(3a)를 4~10개 파놓았으며 다음 조건(II) 및 (III)을 만족시키는 톱로울러(2)와 드로로울러(3) 연신시킴을 특징으로 하는 섬도가 불규칙한 나일론 중공필라멘트사의 제조방법.After the hollow unstretched nylon filament yarn is manufactured with a hollow spinneret (1) that satisfies the following condition (I), and left for at least 24 hours, the grooves 2a and 3a are respectively placed on the surfaces of 4 to 10. A method for producing nylon hollow filament yarn having irregular fineness, characterized by stretching the saw roller (2) and the draw roller (3), which have been opened and satisfy the following conditions (II) and (III).
Figure kpo00010
Figure kpo00010
 단, S는 스릿트의 폭, B는 스릿트간의 간격Where S is the width of the split and B is the spacing between the splits.
Figure kpo00011
Figure kpo00011
 단, b:홈(2a)의 폭, Σb : 폭(b)의 합계, c : 톱로울러의 직경.Where b is the width of the groove 2a,? B is the sum of the widths b, and c is the diameter of the top roller.
Figure kpo00012
Figure kpo00012
 단 f : 홈(3a)의 폭, Σf : 폭(f)의 합계, e : 드로로울러의 직경.Where f is the width of the groove 3a,? F is the sum of the widths f, and e is the diameter of the drawer.
KR1019870014642A 1987-12-21 1987-12-21 Nylon hollow fillament yarn and that's manufacturing process KR900004910B1 (en)

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