KR100490563B1 - Fabrication method of excellent stretch fabric - Google Patents
Fabrication method of excellent stretch fabric Download PDFInfo
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- KR100490563B1 KR100490563B1 KR1019970038189A KR19970038189A KR100490563B1 KR 100490563 B1 KR100490563 B1 KR 100490563B1 KR 1019970038189 A KR1019970038189 A KR 1019970038189A KR 19970038189 A KR19970038189 A KR 19970038189A KR 100490563 B1 KR100490563 B1 KR 100490563B1
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- overfeed
- dyeing
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- D—TEXTILES; PAPER
- D02—YARNS; MECHANICAL FINISHING OF YARNS OR ROPES; WARPING OR BEAMING
- D02G—CRIMPING OR CURLING FIBRES, FILAMENTS, THREADS, OR YARNS; YARNS OR THREADS
- D02G1/00—Producing crimped or curled fibres, filaments, yarns, or threads, giving them latent characteristics
- D02G1/16—Producing crimped or curled fibres, filaments, yarns, or threads, giving them latent characteristics using jets or streams of turbulent gases, e.g. air, steam
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- D—TEXTILES; PAPER
- D02—YARNS; MECHANICAL FINISHING OF YARNS OR ROPES; WARPING OR BEAMING
- D02G—CRIMPING OR CURLING FIBRES, FILAMENTS, THREADS, OR YARNS; YARNS OR THREADS
- D02G3/00—Yarns or threads, e.g. fancy yarns; Processes or apparatus for the production thereof, not otherwise provided for
- D02G3/22—Yarns or threads characterised by constructional features, e.g. blending, filament/fibre
- D02G3/32—Elastic yarns or threads ; Production of plied or cored yarns, one of which is elastic
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- D—TEXTILES; PAPER
- D02—YARNS; MECHANICAL FINISHING OF YARNS OR ROPES; WARPING OR BEAMING
- D02J—FINISHING OR DRESSING OF FILAMENTS, YARNS, THREADS, CORDS, ROPES OR THE LIKE
- D02J1/00—Modifying the structure or properties resulting from a particular structure; Modifying, retaining, or restoring the physical form or cross-sectional shape, e.g. by use of dies or squeeze rollers
- D02J1/08—Interlacing constituent filaments without breakage thereof, e.g. by use of turbulent air streams
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- D—TEXTILES; PAPER
- D03—WEAVING
- D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
- D03D17/00—Woven fabrics having elastic or stretch properties due to manner of weaving
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06B—TREATING TEXTILE MATERIALS USING LIQUIDS, GASES OR VAPOURS
- D06B3/00—Passing of textile materials through liquids, gases or vapours to effect treatment, e.g. washing, dyeing, bleaching, sizing, impregnating
- D06B3/10—Passing of textile materials through liquids, gases or vapours to effect treatment, e.g. washing, dyeing, bleaching, sizing, impregnating of fabrics
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06C—FINISHING, DRESSING, TENTERING OR STRETCHING TEXTILE FABRICS
- D06C3/00—Stretching, tentering or spreading textile fabrics; Producing elasticity in textile fabrics
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06C—FINISHING, DRESSING, TENTERING OR STRETCHING TEXTILE FABRICS
- D06C7/00—Heating or cooling textile fabrics
- D06C7/02—Setting
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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Mechanical Engineering (AREA)
- Woven Fabrics (AREA)
- Yarns And Mechanical Finishing Of Yarns Or Ropes (AREA)
- Treatment Of Fiber Materials (AREA)
Abstract
본 발명은 폴리우레탄사를 심사로, 부분연신사(POY) 폴리에스테르사를 2합한 것을 이펙트사로 하여서 이들을 에어 제트 텍스쳐링하여 신축가공사를 만들고 상기 신축가공사의 직물을 정련, 축소, 오버피드로 텐터링하여 무장력으로 염색함으로서 생산성이 높고, 염색차이가 발생되지 않으며 경사줄과 위방향접힘이 없는 우수한 신축성의 직물을 제조하는 방법임.According to the present invention, the polyurethane yarn is screened, and the partially drawn yarn (POY) polyester yarn is a combination of two effects yarns, which are air jet texturized to make stretch work, and the fabric of the stretch work is refined, reduced, and tented with overfeed. It is a method of producing excellent elastic fabric without high productivity, no dyeing difference and no oblique line and no upward fold by dyeing with force.
에어 제트 텍스쳐링조건은 오버피드 20～30%, 텍스쳐링 스피드 300～600/분, 공기압력 5～6 bar이다.Air jet texturing conditions are overfeed 20-30%, texturing speed 300-600 / min, air pressure 5-6 bar.
Description
본 발명은 탄성회복율이 우수한 직물의 제조방법에 관한 것으로, 보다 상세하게는 심사로 폴리우레탄계 탄성사를 사용하고, 이펙트사로 폴리에스테르 필라멘트사를 사용하여 이들을 에어 제트 텍스쳐링하여 제조한 신축성 가공사를 사용하여 직물을 제직한 후 릴렉서에서 정련, 축소하고 오버피드로 텐터링하여 무장력 액류염색기에서 염색하는 것을 특징으로 하는 신축성 직물의 제조방법에 관한 것이다.The present invention relates to a method for producing a fabric having excellent elastic recovery rate, more specifically, using a polyurethane-based elastic yarn as the screening, and using a stretch fabric yarn manufactured by air jet texturing them using polyester filament yarn as an effect yarn After weaving, the present invention relates to a method for manufacturing an elastic fabric, which is dyed in a tensionless liquid dyeing machine by refining, shrinking, and tentering with an overfeed in a relaxer.
일반적으로 신축성 직물을 제조하기 위하여 신축성사로 폴리우레탄 탄성사를 사용하고, 혼용사로써 폴리에스테르나 폴리아미드 섬유를 사용하여서 신축성 가공사를 제조하는 경우에 커버링 머신을 사용하여 커버드사(coveredyarn)를 제조하는 방법과 일반 연사기를 사용하여 합연사를 제조하는 방법이 이용되고 있다. 하지만 커버링 머신을 사용하는 경우 제조속도가 커버링 T/M이 580일때 약 16m/분 정도에 불과할 정도로 매우 낮아 생산성이 매우 떨어지는 단점이 있고, 일반 연사기를 사용하여 심사와 이펙트사를 합연하는 경우에는 심사가 완전하게 피복이 않되어 심사와 이펙트사의 염색차이로 인해 가공지 표면에 투톤(Two-Tone)이 발생하는 문제점이 있고, 생산속도면에서도 약 800/M일때 약 80m/분으로 높지 못하다. 또한 경방향 신축성 직물에 커버드사를 사용하는 경우 각 커버드사의 장력불균일로 가공후에 경사줄이 발생하는 문제점이 있었다.In general, a method of manufacturing a covered yarn using a covering machine when a polyurethane yarn is used as a stretch yarn to prepare a stretch fabric, and a stretch processed yarn using polyester or polyamide fibers as a blended yarn is used. And a method of manufacturing a twisted yarn using a general twister has been used. However, when the covering machine is used, the manufacturing speed is very low, which is only about 16 m / min when the covering T / M is 580, and the productivity is very low. There is a problem that two-tone occurs on the surface of processed paper due to the difference in screening and effect dyeing, and it is not as high as about 80m / min at 800 / M in terms of production speed. In addition, when the covered yarns are used in the radial stretch fabric, there is a problem in that the oblique line occurs after processing due to the uneven tension of each covered yarn.
본 발명의 목적은 이러한 문제점을 해결하기 위한 것으로 심사로 폴리우레탄 탄성사를 사용하고, 이펙트사로 폴리에스테르 필라멘트사를 사용해서 이들을 적정조건하에서 에어 제트 텍스쳐링하여서 신축성 가공사를 만든 다음에, 상기 신축성 가공사를 직물의 제조에 사용하므로써 생산성이 높으며 염색차가 없는 직물을 제조하는데 있다. 본 발명의 다른 목적은 에어제트 텍스쳐드사를 열처리한 후 경사에 사용하므로써 가공후 경사줄 발생이 없으며, 릴렉서에서 정련, 축소하고 텐터가공에서 오버피드로 처리하며 무장력 액류염색기에서 염색하므로써 신축성이 우수한 직물의 제조방법을 제공하는데 있다.An object of the present invention to solve this problem is to use a polyurethane elastic yarn as the screening, using a polyester filament yarn as the effect yarns by air jet texturing them under appropriate conditions to make a stretched yarn, then weaving the stretched yarn It is used to manufacture high-productivity and to produce a fabric without dyeing tea. Another object of the present invention is to use the inclined heat treatment after the air jet textured yarn, there is no oblique streak after processing, refining and shrinking in the relaxer, processed by overfeed in the tenter processing and excellent elasticity by dyeing in a tensionless liquid dyeing machine It is to provide a method of manufacturing a fabric.
본 발명을 더욱 상세하게 설명하면 다음과 같다.The present invention is described in more detail as follows.
본 발명에 사용되는 신축가공사는 아래와 같이 제조하였다.New construction work used in the present invention was prepared as follows.
심사로 폴리우레탄 탄성사를 2.5 ~ 3.5배 신장시켜 공급하고, 4,000m/분으로 방사된 부분연신사(POY) 폴리에스테르 필라멘트 85데니어/72 필라멘트를 2 합한 것을 이펙트사로 사용해서 공급 속도차를 부여하면서 에어 텍스쳐링하였다. 본 발명에 있어서, 폴리우레탄 탄성사의 신장율이 2.5배 보다 낮을 경우 가공후 신축율이 감소하게 되고 3.5배 보다 높을 경우에는 탄성사의 절단이 발생하게 된다. 본 발명에서 적용한 에어 텍스쳐링조건으로는 이펙트사의 오버피드 20 ~ 30%, 텍스쳐링 스피드 300 ~ 600m/분, 공기압력 5 ~ 7bar, 습윤처리 1ℓ/h, 스테빌라이징 익스텐션 2 ∼ 6%이다. 오버피드가 30%을 초과하면 노즐안에서 각 필라멘트간의 교락이 증가하여 루프의 형성은 증가하지만 그만큼 루프의 불안정성도 증가하므로 텍스쳐링성이 떨어지게 되며, 20% 미만에서는 공급되는 필라멘트의 속도가 노즐 출구밖으로 나가는 속도에 비해 적기 때문에 필라멘트 굽힘으로 인한 루프의 크기가 커지고 필라멘트간의 결속이 작아져 심사를 완전히 피복하지 못하므로 염색후 심사와 이펙트사의 염색차이로 가공지 표면에 투톤(Two-Tone)이 발생하게 된다. 텍스쳐링 스피드가 600m/분을 초과하면 노즐안에서 공기에 의한 이펙트사의 회전력이 감소하여 필라멘트간의 굽힘과 교락이 줄어들어 거의 일직선상의 가공사가 만들어지며 텍스쳐링 스피드가 낮을수록 루프가 증가하고 생성된 루프가 견고하지만 생산성면에서 텍스쳐링 스피드는 300m/분 이상이 적당하다. 공기 압력이 7bar를 초과하면 이펙트사간의 인터밍글링이 증가하여 루프가 증가하지만 그만큼 루프의 불안정성이 증가하고, 공기 압력이 5 bar 미만에서는 루프의 크기가 커지고 루프의 수가 적어져서 심사를 완전히 피복시키지 못하게 된다. 스테빌라이징 익스텐션은 노즐을 나온 가공사의 심사에 단단히 고정되지 않은 루프를 제거하기 위해 하는 것으로 6%를 초과하면 가공사가 손상되거나 절단되고, 2% 미만에서는 이펙트사의 불안전한 루프가 완전하게 제거되지 않는다. 습윤처리는 노즐로 필라멘트가 공급되기 전에 행해지는데 노즐안에서 필라멘트간의 굽힘과 교락을 하는데 있어서 윤활역할을 하기 때문에 습윤처리를 하면 하지 않았을 때와 비교해 가공효과가 매우 우수하게 된다. 이상과 같이 제조한 신축성 가공사를 강력 향상 및 경사의 장력 균일화를 위해 75 ~ 90℃에서 열처리한 후, 경, 위사로 사용하여 제직한 것을 70 ∼ 85℃의 릴렉서에서 정련, 축소하고 오버피드를 6 ~ 10% 부여하여 텐터링하고 180℃에서 50초간 프리세트를 한다. 그리고 감량을 약 15%한 후 무장력 액류염색기에서 염색하고 175℃에서 50초간 최종 세트를 하는데 이때에도 6 ∼ 10%의 오버피드를 부여하여 신축성 직물을 제조한다. 릴렉서에서의 정련, 축소온도가 70℃보다 낮을 경우 호발이 충분히 되지 않으며 85℃보다 높을 경우에는 위사방향으로 접힘줄이 발생하게 된다. 또한 텐터 가공에서 오버피드가 6%보다 낮을 경우에는 경사방향에 장력이 걸려서 경방향 신축성이 감소하며 10%보다 클 경우에는 위사의 밀도가 과도해져서 직물이 딱딱해지게 된다. 염색을 무장력 액류염색기가 아닌 일반염색기에서 할 경우 경방향에 긴장이 걸려서 직물의 늘어짐이 발생하게 되어 신축성이 떨어지게 된다.The elastic yarn is stretched 2.5 to 3.5 times by the screening, and the effect yarn is made by using two combinations of the partially drawn yarn (POY) polyester filament 85 denier / 72 filament spun at 4,000 m / min. Air texturing. In the present invention, when the elongation rate of the polyurethane elastic yarn is lower than 2.5 times, the stretch rate after processing is reduced, and when higher than 3.5 times, the elastic yarn is cut. The air texturing conditions applied in the present invention are 20-30% of the feed company's overfeed, texturing speed 300-600 m / min, air pressure 5-7 bar, wetting treatment 1 l / h, stabilizing extension 2-6%. If the overfeed exceeds 30%, the entanglement between each filament increases in the nozzle, which increases the formation of the loop but increases the instability of the loop, thereby decreasing the texturability, and below 20%, the speed of the supplied filament goes out of the nozzle Since it is less than the speed, the size of the loop due to the filament bending is large and the binding between the filaments is small, so that the screen cannot be completely covered.Two-tone is generated on the surface of the processed paper after the dyeing and the dyeing of the effect company. . If the texturing speed exceeds 600 m / min, the rotational force of the effect yarn caused by the air in the nozzle is reduced, reducing the bending and entanglement between the filaments, which makes the workpiece almost linear. In terms of texturing speed is more than 300m / min. If the air pressure exceeds 7 bar, the interlocking between the effect yarns increases to increase the loop, but the instability of the loop increases accordingly. If the air pressure is less than 5 bar, the loop size increases and the number of loops decreases to completely cover the screening. I can't. Stabilizing extensions are intended to remove loops that are not firmly fixed to the screening of the fabricator exiting the nozzle. Above 6%, the fabricator is damaged or cut, and below 2%, the effector's unsafe loops are not completely removed. The wetting treatment is performed before the filament is supplied to the nozzle, and because it acts as a lubrication in bending and entanglement between the filaments in the nozzle, the processing effect is very excellent compared to when the wet treatment is not performed. Heat-treated elastic fabrics manufactured as described above were subjected to heat treatment at 75 to 90 ° C. for strength improvement and uniformity of warp tension. 6 to 10% of the solution is tentered and preset at 180 ° C. for 50 seconds. The weight loss is about 15% and then dyed in a tensionless liquid dyeing machine, and the final set is performed at 175 ° C. for 50 seconds. In this case, the elastic fabric is prepared by giving an overfeed of 6 to 10%. If the refining and shrinking temperature of the relaxer is lower than 70 ℃, the firing will not be sufficient. If it is higher than 85 ℃, a fold line will occur in the weft direction. In addition, in the tenter processing, when the overfeed is lower than 6%, the tension is applied in the inclined direction, and the elasticity in the radial direction is reduced, and when it is larger than 10%, the weft becomes excessive and the fabric becomes hard. If the dyeing is done in a general dyeing machine rather than an armed liquid dyeing machine, the tension is applied in the radial direction, causing the fabric to sag and thus lose elasticity.
[실시예 1]Example 1
심사로 폴리우레탄 탄성사를 3배 신장하여 공급하고 이펙트사로 4,000m/분로 방사된 POY 폴리에스테르 필라멘트 85데니어/72필라멘트를 2합하여 오버피드 25%, 텍스쳐링 스피드 400m/분, 공기 압력 6bar, 습윤 처리 1ℓ/h, 스테빌라이징 익스텐션 4%의 조건으로 텍스쳐링한 후 80℃에서 열세팅하였다. 이 신축성 가공사를 경사, 위사에 각각 85본/인치, 50본/인치로 사용하여 주자직으로 제직한 후 이를 릴렉서에서 80℃에서 30분간 정련, 축소하고 텐터 공정에서 180℃에서 50초간 처리하는데 이때 오버피드를 8%로 하였다. 다음 공정으로 감량을 15%한 후 무장력 액류염색기에서 130℃에서 30분간 진한 청색으로 염색하고 175℃에서 50초간 최종 세트를 하는데 이때에도 오버피드를 8% 부여하여 신축성 직물을 제조하였다. 신축성 가공사의 제조속도, 투톤 효과, 경사줄 발생여부, 위방향 접힘현상, 신축율, 신축회복율을 평가하여 표에 나타내었다.Polyurethane elastic yarn is stretched three times by screening, and POY polyester filament 85 denier / 72 filaments spun at 4,000m / min is added to effect yarn, overfeed 25%, texturing speed 400m / min, air pressure 6bar, wetting treatment 1ℓ / h, texturing with a stabilizing extension of 4% and heat set at 80 ° C. Weaving this stretched yarn into 85 pieces / inch and 50 pieces / inch for warp and weft, respectively, and then weaving it as a main job, refine it for 30 minutes at 80 ℃ in a relaxer, and process it for 50 seconds at 180 ℃ in a tenter process. At this time, the overfeed was 8%. In the following process, the weight loss was 15%, and then dyed dark blue at 130 ° C. for 30 minutes in a tensionless liquid dyeing machine, and the final set was performed at 175 ° C. for 50 seconds. The manufacturing speed, the two-tone effect, the occurrence of inclined lines, the folding direction, the expansion rate, and the recovery rate of the stretched yarn were shown in the table.
[비교예 1]Comparative Example 1
경사, 위사로 에어 제트 텍스쳐링한 신축성 가공사를 사용하는 대신에 일반 연사기를 사용하여 3배 신장한 폴리우레탄 탄성사와 POY 폴리에스테르 필라멘트 85데니어/72필라멘트 2 합사를 600T/M으로 합연한 후 80℃에서 열세팅한 신축성 가공사를 사용한 것을 제외하고 실시예 1 과 동일하게 실시하였다.Instead of using a warp and weft-stretched stretch fabric, instead of using a general twisting machine, polyurethane elastic yarn and POY polyester filament 85 denier / 72 filament two-ply yarns three times stretched using a general twisting machine were combined at 600T / M, and then at 80 ° C. The same procedure as in Example 1 was conducted except that the thermally set stretched yarn was used.
[비교예 2]Comparative Example 2
경사, 위사로 에어 제트 텍스쳐링한 신축성 가공사를 사용하는 대신에 3배 신장한 폴리우레탄 탄성사를 심사로 사용하고 이펙트사로 POY 폴리에스테르 필라멘트 85데니어/72필라멘트 2 합사를 580T/M으로 커버링하여 제조한 신축성 가공사를 사용한 것을 제외하고 실시예 1 과 동일하게 실시하였다.Elasticity manufactured by using 3 times elongated polyurethane elastic yarn as screening instead of using an air jet textured stretch yarn with warp and weft yarn and covering POY polyester filament 85 denier / 72 filament 2 ply with 580T / M It carried out similarly to Example 1 except using the processed yarn.
[비교예 3]Comparative Example 3
에어 제트 텍스쳐링 공정 조건을 이펙트사의 오버피드 10%, 텍스쳐링 스피드 700m/분, 습윤 처리를 하지 않은 것을 제외하고 실시예 1 과 동일하게 실시하였다.Air jet texturing process conditions were carried out in the same manner as in Example 1, except that the effect of overfeed 10%, texturing speed of 700m / min, and no wet treatment.
[비교예 4][Comparative Example 4]
에어 제트 텍스쳐링한 신축성 가공사를 열세팅하지 않은 것을 제외하고 실시예 1 과 동일하게 실시하였다.The same process as in Example 1 was conducted except that the thermal jet textured stretch yarn was not thermally set.
[비교예 5][Comparative Example 5]
염가공 공정시 릴렉서 온도를 95℃로 한 것을 제외하고는 실시예 1 과 동일하게 실시하였다.The same process as in Example 1 was conducted except that the relaxer temperature was 95 ° C during the salt processing process.
[비교예 6]Comparative Example 6
염가공 공정시 텐터 가공에서 오버피드를 2% 부여한 것을 제외하고 실시예 1 과 동일하게 실시하였다.The same process as in Example 1 was conducted except that 2% of the overfeed was applied in the tenter process during the salt processing process.
[비교예 7]Comparative Example 7
염가공 공정시 일반 염색기를 이용하여 염색한 것을 제외하고 실시예 1 과 동일하게 실시하였다.The dyeing process was carried out in the same manner as in Example 1 except for dyeing using a general dyeing machine.
<<평가기준>><< Evaluation Criteria >>
1. 투톤효과 : 가공지 검단1. Two-tone effect: Process paper inspection
2. 경사줄발생여부 : 가공지 검단2. Incidence line occurrence: Inspection of processed paper
3. 위방향 접힘현상 : 릴렉서에서 정련, 축소후 30cm간격으로 체크함.3. Upward folding phenomenon: After refining and shrinking in the relaxer, check it at 30cm interval.
4. 신축율 : KSK 0508 5-74. Expansion rate: KSK 0508 5-7
5. 신축회복율 : KSK 0508 5-85. Expansion rate: KSK 0508 5-8
본 발명은 제조속도가 빠르며, 이펙트사의 피복효과가 우수하여 염색차가 발생하지 않으므로 투톤 효과가 직물 표면에 나타나지 않으며, 가공후 직물 표면에 경사줄이나 접힘 등의 결점이 없으며 신축성이 우수한 직물을 제조할 수 있다.In the present invention, the manufacturing speed is high, and the effect of coating the effect yarn is excellent, so that the dyeing difference does not occur, and the two-tone effect does not appear on the surface of the fabric. Can be.
Claims (4)
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| KR20010113072A (en) * | 2000-06-16 | 2001-12-28 | 김인권 | Fabric with High Shrinkage in Bidirection of Warp and Weft |
| KR100464834B1 (en) * | 2002-12-03 | 2005-01-05 | 한국섬유개발연구원 | Method of producing polyester air-textured yarn with high-thermal-insulation and light-weight |
| KR100571357B1 (en) * | 2006-01-24 | 2006-04-18 | 강은정 | The rib fabric |
| KR101633061B1 (en) * | 2015-05-13 | 2016-06-23 | 주식회사 영우티앤에프리드 | Polyurethan special textile |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0491273A (en) * | 1990-07-26 | 1992-03-24 | Du Pont Toray Co Ltd | Elastic long fiber woven fabric and preparation thereof |
| JPH0813282A (en) * | 1994-07-05 | 1996-01-16 | Toray Ind Inc | Stretch woven fabric and its production |
| KR980009562A (en) * | 1996-07-11 | 1998-04-30 | 김상응 | Manufacturing method of waste polyester fiber which is able to increase insulation effect |
| KR19980083577A (en) * | 1997-05-16 | 1998-12-05 | 구광시 | Polyester Microfiber Processing and Fabrication Method |
| KR19990015689A (en) * | 1997-08-08 | 1999-03-05 | 김윤 | Fabrication method of low-cost polyester filament woven and knitted fabric |
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Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0491273A (en) * | 1990-07-26 | 1992-03-24 | Du Pont Toray Co Ltd | Elastic long fiber woven fabric and preparation thereof |
| JPH0813282A (en) * | 1994-07-05 | 1996-01-16 | Toray Ind Inc | Stretch woven fabric and its production |
| KR980009562A (en) * | 1996-07-11 | 1998-04-30 | 김상응 | Manufacturing method of waste polyester fiber which is able to increase insulation effect |
| KR19980083577A (en) * | 1997-05-16 | 1998-12-05 | 구광시 | Polyester Microfiber Processing and Fabrication Method |
| KR19990015689A (en) * | 1997-08-08 | 1999-03-05 | 김윤 | Fabrication method of low-cost polyester filament woven and knitted fabric |
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