WO2018021011A1 - Polyamide multifilament, and lace knit and stockings using same - Google Patents
Polyamide multifilament, and lace knit and stockings using same Download PDFInfo
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- WO2018021011A1 WO2018021011A1 PCT/JP2017/025223 JP2017025223W WO2018021011A1 WO 2018021011 A1 WO2018021011 A1 WO 2018021011A1 JP 2017025223 W JP2017025223 W JP 2017025223W WO 2018021011 A1 WO2018021011 A1 WO 2018021011A1
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- polyamide
- multifilament
- lace
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Classifications
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- A—HUMAN NECESSITIES
- A41—WEARING APPAREL
- A41B—SHIRTS; UNDERWEAR; BABY LINEN; HANDKERCHIEFS
- A41B11/00—Hosiery; Panti-hose
- A41B11/14—Panti-hose; Body-stockings
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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
- 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
- D02G3/02—Yarns or threads characterised by the material or by the materials from which they are made
-
- 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
- D02G3/38—Threads in which fibres, filaments, or yarns are wound with other yarns or filaments, e.g. wrap yarns, i.e. strands of filaments or staple fibres are wrapped by a helically wound binder yarn
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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
- D02G3/44—Yarns or threads characterised by the purpose for which they are designed
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- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04B—KNITTING
- D04B21/00—Warp knitting processes for the production of fabrics or articles not dependent on the use of particular machines; Fabrics or articles defined by such processes
- D04B21/10—Open-work fabrics
- D04B21/12—Open-work fabrics characterised by thread material
-
- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04B—KNITTING
- D04B21/00—Warp knitting processes for the production of fabrics or articles not dependent on the use of particular machines; Fabrics or articles defined by such processes
- D04B21/20—Warp knitting processes for the production of fabrics or articles not dependent on the use of particular machines; Fabrics or articles defined by such processes specially adapted for knitting articles of particular configuration
- D04B21/207—Wearing apparel or garment blanks
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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
-
- 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
- D10B2501/02—Underwear
- D10B2501/021—Hosiery; Panti-hose
Definitions
- the polyamide multifilament of the present invention preferably has a single yarn fineness of 1.3 to 3.4 dtex. By setting it as such a range, it is excellent in the durability and softness of a stocking or a race. More preferably, it is 1.6 to 3.2 dtex.
- the heating cylinder 3 is provided above the cooling device 4 so as to surround each filament around the entire circumference.
- a heating cylinder at the top of the cooling device 4 and setting the atmospheric temperature in the heating cylinder within the range of 100 to 300 ° C.
- the polyamide polymer discharged from the spinneret 1 is less likely to be thermally deteriorated and oriented.
- a multifilament with a 15% strength and high elongation product can be obtained by relaxing the orientation by slow cooling from the die surface to cooling.
- orientation relaxation due to gradual cooling from the die surface to cooling is insufficient, and it is difficult to obtain fibers satisfying both 15% strength and high elongation product.
- the polyamide multifilament of the present invention is used as a covering yarn for covering yarn.
- the covering yarn is used as a single covering yarn in which an elastic yarn such as polyurethane-based elastic fiber or polyamide-based elastomer elastic fiber is used as a core yarn, and a covering yarn is wound in a single layer, and a double covering yarn in which a covering yarn is wound in a double manner.
- Example 10 Manufacture of polyamide multifilament
- a nylon 6 chip having a sulfuric acid relative viscosity ( ⁇ r) of 3.3 and a melting point of 225 ° C. was dried by a conventional method so that the moisture content was 0.03% by mass or less.
- the obtained nylon 6 chip was melted at a spinning temperature (melting temperature) of 290 ° C. and discharged from the spinneret.
- the spinneret one having 30 holes, a round shape, a hole diameter of 0.20, and 6 yarns / base was used.
Landscapes
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Artificial Filaments (AREA)
- Knitting Of Fabric (AREA)
- Yarns And Mechanical Finishing Of Yarns Or Ropes (AREA)
- Socks And Pantyhose (AREA)
Abstract
Description
剛直非晶量:Xra(%)=100-(Xc+Xma) ・・・(2)
可動非晶量:Xma(%)=ΔCp/ΔCp0×100 ・・・(3) 。 Crystal amount: Xc (%) = (ΔHm−ΔHc) / ΔHm0 × 100 (1)
Rigid amorphous amount: Xra (%) = 100− (Xc + Xma) (2)
Movable amorphous amount: Xma (%) = ΔCp / ΔCp0 × 100 (3)
JIS L1013-2010-引張強さ及び伸び率に準じて繊維試料を測定し、引張強さ-伸び曲線を描く。試験条件としては、試験機の種類は定速伸長形、つかみ間隔50cm、引張速度50cm/minにて行った。なお、切断時の引張強さが最高強さより小さい場合は、最高引張強さおよびそのときの伸びを測定した。 A. Strength, elongation, strength-elongation product, 15% strength JIS L1013-2010—Measure fiber samples according to tensile strength and elongation, and draw a tensile strength-elongation curve. As test conditions, the type of the tester was a constant speed extension type, a grip interval of 50 cm, and a tensile speed of 50 cm / min. In addition, when the tensile strength at the time of cutting was smaller than the maximum strength, the maximum tensile strength and the elongation at that time were measured.
強度=切断時の引張強さ(cN)/繊度(dtex)
強伸度積={強度(cN/dtex)}×{伸度(%)+100}/100
15%強度=15%伸長時の引張強さ(cN)/繊度(dtex) 。 Elongation = Elongation at cutting (%)
Strength = Tensile strength at cutting (cN) / Fineness (dtex)
Strong elongation product = {strength (cN / dtex)} × {elongation (%) + 100} / 100
15% strength = tensile strength (cN) / fineness (dtex) at 15% elongation.
1.125m/周の検尺器に繊維試料をセットし、500回転させて、ループ状かせを作成し、熱風乾燥機にて乾燥後(105±2℃×60分)、天秤にてかせの質量を量り、公定水分率を乗じた値から繊度を算出した。なお、公定水分率は4.5%とした。 B. Total fineness,
ポリアミドチップ試料又は繊維試料0.25gを、濃度98質量%の硫酸100mlに対して1gになるように溶解し、オストワルド型粘度計を用いて25℃での流下時間(T1)を測定した。引き続き、濃度98質量%の硫酸のみの流下時間(T2)を測定した。T2に対するT1の比、すなわちT1/T2を硫酸相対粘度とした。 C. Sulfuric acid relative viscosity (ηr)
A polyamide chip sample or a fiber sample of 0.25 g was dissolved so as to be 1 g with respect to 100 ml of sulfuric acid having a concentration of 98% by mass, and a flow time (T1) at 25 ° C. was measured using an Ostwald viscometer. Subsequently, the flow time (T2) of only sulfuric acid having a concentration of 98% by mass was measured. The ratio of T1 to T2, that is, T1 / T2, was defined as sulfuric acid relative viscosity.
zellweger uster社製のUSTER TESTER IVを用いて試料長:500m、測定糸速度V:100m/min、Twister:S、30000/min、1/2Inertで繊維試料を測定した。 D. Yarn spots (U%)
Fiber samples were measured with a sampler length of 500 m, a measurement yarn speed V: 100 m / min, Twister: S, 30000 / min, and 1/2 Inert using a USTER TESTER IV manufactured by Zellweger Uster.
(Xc)は、DSC法により、融解熱量と冷結晶化熱量の差(ΔHm-ΔHc)を計算し、(1)式により算出する。ここで、ΔHm0は、結晶性ポリアミドの融解熱量であり、その値は、229.76J/gである。 E. The amount of crystal and rigid amorphous amount (Xc) are calculated by the formula (1) by calculating the difference (ΔHm−ΔHc) between the heat of fusion and the heat of cold crystallization by the DSC method. Here, ΔHm0 is the heat of fusion of the crystalline polyamide, and its value is 229.76 J / g.
剛直非晶量:Xra(%)=100-(Xc+Xma) ・・・(2)
可動非晶量:Xma(%)=ΔCp/ΔCp0×100 ・・・(3) 。 Crystal amount: Xc (%) = (ΔHm−ΔHc) / ΔHm0 × 100 (1)
Rigid amorphous amount: Xra (%) = 100− (Xc + Xma) (2)
Movable amorphous amount: Xma (%) = ΔCp / ΔCp0 × 100 (3)
TA Instrument社製Q1000を用いUniversal Analysis2000にてデータ処理を実施した。測定は窒素流下(50mL/min)で、温度範囲0~300℃、昇温速度10℃/min、試料重量約5mg(熱量データは測定後重量で規格化)にて測定を実施した。 (A) Normal DSC
Data processing was performed with Universal Analysis 2000 using Q1000 manufactured by TA Instrument. The measurement was carried out under a nitrogen flow (50 mL / min), in a temperature range of 0 to 300 ° C., a heating rate of 10 ° C./min, and a sample weight of about 5 mg (caloric data is normalized by weight after measurement).
Wunderlich B.,Thermal Analysis of Polymeric Materials,Appendix1(The ATHAS Data Bank),Springer(2005)。 [Reference 1]
Wunderlich B. , Thermal Analysis of Polymer Materials, Appendix 1 (The ATHAS Data Bank), Springer (2005).
TA Instrument社製Q1000を用いUniversal Analysis2000にてデータ処理を実施した。測定は窒素流下(50mL/min)で、温度範囲0~200℃、昇温速度2℃/min、試料重量約5mg(熱量データは測定後重量で規格化)にて測定を実施した。 (B) Temperature modulation DSC
Data processing was performed with Universal Analysis 2000 using Q1000 manufactured by TA Instrument. The measurement was performed under a nitrogen flow (50 mL / min), in a temperature range of 0 to 200 ° C., a temperature increase rate of 2 ° C./min, and a sample weight of about 5 mg (caloric data is normalized by weight after measurement).
(a)ソフト性
レース製品について、風合い評価経験豊富な検査者(5人)のソフト性を相対評価した。その結果は、各検査者の評価点の平均値をとり小数点以下は四捨五入して、平均値が、5をS、4をA、3をB、1~2をCとした。 F. Evaluation of race (a) Softness With respect to race products, the softness of inspectors (5 persons) who have a lot of texture evaluation experience was evaluated relative. As a result, the average value of the evaluation points of each inspector was taken and rounded off to the nearest decimal point. The average value was 5 for S, 4 for A, 3 for B, and 1 to 2 for C.
4点:やや優れる
3点:普通
2点:やや劣る
1点:劣る 。 5 points: very good 4 points: somewhat good 3 points: normal 2 points: slightly inferior 1 point: inferior
破裂強度はJIS L1096-2010、ミューレン形法(A法)による破裂強さ試験方法に準じて、任意の3ヶ所の破裂強度を測定し、その平均値より、次の基準で4段階評価した。 (B) Durability Rupture strength is measured according to the burst strength test method according to JIS L1096-2010, Murren's method (Method A), and the burst strength is measured at any three locations. A four-step evaluation was made.
A:100kPa以上130kPa未満
B:90kPa以上100kPa未満
C:90kPa未満 。 S: 130 kPa or more A: 100 kPa or more and less than 130 kPa B: 90 kPa or more and less than 100 kPa C: less than 90 kPa
レース製品を、検査者(5人)の染め斑の程度を相対評価した。その結果は、各検査者の評価点の平均値をとり小数点以下は四捨五入して、平均値が、5をS、4をA、3をB、1~2をCとした。 (C) Quality The lace products were evaluated relative to the degree of dyeing spots of the inspectors (5 people). As a result, the average value of the evaluation points of each inspector was taken and rounded off to the nearest decimal point. The average value was 5 for S, 4 for A, 3 for B, and 1 to 2 for C.
4点:やや優れる
3点:普通
2点:やや劣る
1点:劣る
S、Aを品位合格とした。 5 points: Very good 4 points: Somewhat excellent 3 points: Normal 2 points: Somewhat inferior 1 point: Inferior S and A were regarded as passing quality.
編成操業性:編成途中での断糸回数をレース生地一反(80m)当たりの断糸件数として、次の基準で表示した。 (D) Process passability Knitting operability: The number of yarn breaks during knitting was displayed as the number of yarn breaks per race fabric (80 m) according to the following criteria.
A:5件以上10件未満
B:10件以上20件未満
C:20件以上30件未満
S、Aを工程通過性合格とした。 S: 0 to less than 5 cases A: 5 to less than 10 cases B: 10 to less than 20 cases
C: 20 or more and less than 30
S and A were determined to pass the process passability.
(a)ソフト性
ストッキング製品について、人体足型に履かせた状態で、風合い評価経験豊富な検査者(5人)のレック部のソフト性を相対評価した。その結果は、各検査者の評価点の平均値をとり小数点以下は四捨五入して、平均値が、5をS、4をA、3をB、1~2をCとした。 G. Evaluation of stockings (a) Softness With respect to stocking products, the softness of the wreck portion of an inspector (five persons) with a rich experience in texture evaluation was evaluated in a state where the stocking product was put on a human body. As a result, the average value of the evaluation points of each inspector was taken and rounded off to the nearest decimal point. The average value was 5 for S, 4 for A, 3 for B, and 1 to 2 for C.
4点:やや優れる
3点:普通
2点:やや劣る
1点:劣る
S、Aをソフト性合格とした。 5 points: Very good 4 points: Somewhat excellent 3 points: Normal 2 points: Somewhat inferior 1 point: Inferior S and A were considered to be soft.
ストッキング製品を人体足型に表を外側にして履かせ、踵から大腿部方向に60cmの位置にガーター部を合わせた上で、踵から大腿部方向に52.5cmの位置を中心として、足形の大腿部裏側に測定枠の大きさに合わせて円形の印を付けておく。測定枠に製品を固定する際には先につけた円形の印に合わせて固定することで、着用状態と同じ状態で破裂強さを測定し、耐久性の指標とした。 (B) Durability The stocking product is worn on the human foot with the front side facing out, the garter part is aligned at a position of 60 cm from the heel to the thigh, and 52.5 cm from the heel to the thigh. A circular mark is put on the back side of the thigh of the foot shape according to the size of the measurement frame with the position at the center. When fixing the product to the measurement frame, the burst strength was measured in the same state as the worn state by fixing it according to the circular mark attached earlier, and used as an index of durability.
A:98.1kPa以上117.7kPa未満
B:88.3kPa以上98.1kPa未満
C:88.3kPa未満 。 S: 117.7 kPa or more A: 98.1 kPa or more and less than 117.7 kPa B: 88.3 kPa or more and less than 98.1 kPa C: Less than 88.3 kPa.
ストッキング製品を、検査者(5人)の染め斑の程度を相対評価した。その結果は、各検査者の評価点の平均値の小数点以下は四捨五入して、その平均値が、5をS、4をA、3をB、1~2をCとした。 (C) Quality The stocking product was evaluated relative to the degree of dyeing spots of the inspectors (5 people). The result was rounded off to the nearest decimal point of the average score of each inspector, and the average value was set to 5 for S, 4 for A, 3 for B, and 1 to 2 for C.
4点:やや優れる
3点:普通
2点:やや劣る
1点:劣る 。 5 points: very good 4 points: somewhat good 3 points: normal 2 points: slightly inferior 1 point: inferior
靴下編機にて、回転数400rpm、ストッキングを1時間連続運転し編立した際の編立時の糸切れによる停台回数を、次の基準で評価した。 (D) Process passability With the sock knitting machine, the number of stops due to yarn breakage at the time of knitting was evaluated according to the following criteria when the rotational speed was 400 rpm and the stocking was continuously operated for 1 hour.
A:糸切れ2回以上4回未満、
B:糸切れ4回以上6回未満、
C:糸切れ6回以上。 S: Less than 2 yarn breaks,
A:
B:
C:
(ポリアミドマルチフィラメントの製造)
ポリアミドとして、硫酸相対粘度(ηr)が3.3、融点225℃のナイロン6チップを水分率0.03質量%以下となるよう常法にて乾燥した。得られたナイロン6チップを紡糸温度(溶融温度)290℃にて溶融し、紡糸口金より吐出させた。紡糸口金は、ホール数が42、丸形、孔径φ0.25、6糸条/口金のものを使用した。 [Example 1]
(Manufacture of polyamide multifilament)
As a polyamide, a
次に該マルチフィラメントを整経し28Gラッセルレース地糸のバック側の糸としてランナー長21.0cm、更に、地糸のフロント側の糸としてもランナー長100.0cm、柄糸235~330dtexとともに製編した。つぎに生機を精練、染色、仕上げセットすることでインナー用レース編物を得た。得られたレース製品について評価した結果を表1に示す。 (Manufacture of lace knitting)
Next, warp the multifilament and produce a 28G Russell lace ground yarn with a runner length of 21.0 cm as a back yarn, and a yarn with a runner length of 100.0 cm as a yarn on the front side of the ground yarn. Knitted. Next, the lace knit for the inner was obtained by scouring, dyeing, and finishing the raw machine. Table 1 shows the results of evaluating the obtained lace products.
上層の加熱筒の雰囲気温度300℃、下層の加熱筒の雰囲気温度を100℃となるように温度設定し、加熱筒内で雰囲気温度100~300℃にて徐冷、引き取りローラー速度1700m/min、延伸倍率2.7倍とした以外は実施例1と同様の方法で、22dtex、7フィラメントのナイロン6マルチフィラメントを得、レース編物を得た。評価結果を表1に示す。 [Example 2]
The atmosphere temperature of the upper heating cylinder is set to 300 ° C., and the atmosphere temperature of the lower heating cylinder is set to 100 ° C., and the glass is gradually cooled in the heating cylinder at an ambient temperature of 100 to 300 ° C. A
上層の加熱筒の雰囲気温度300℃、下層の加熱筒の雰囲気温度を200℃となるように温度設定し、加熱筒内で雰囲気温度200~300℃にて徐冷、延伸倍率3.0倍とした以外は実施例1と同様の方法で、22dtex、7フィラメントのナイロン6マルチフィラメントを得、レース編物を得た。評価結果を表1に示す。 Example 3
The temperature of the upper heating cylinder is set to 300 ° C., and the lower heating cylinder is set to 200 ° C., and gradually cooled in the heating cylinder at an atmospheric temperature of 200 to 300 ° C., and the draw ratio is 3.0 times. A
ポリアミドとして、硫酸相対粘度(ηr)が3.2、融点265℃のナイロン66チップとした以外は実施例1と同様の方法で、22dtex、7フィラメントのナイロン66マルチフィラメントを得、レース編物を得た。評価結果を表1に示す。 Example 4
A nylon 66 multifilament of 22 dtex and 7 filaments was obtained in the same manner as in Example 1 except that nylon 66 chips having a relative viscosity (ηr) of sulfuric acid of 3.2 and a melting point of 265 ° C. were obtained as polyamide, and a lace knitted fabric was obtained. It was. The evaluation results are shown in Table 1.
加熱筒は、加熱筒長さLを50mmの単層加熱筒を用い、雰囲気温度300℃となるように温度設定、延伸倍率3.2倍とした以外は実施例1と同様の方法で、22dtex、7フィラメントのナイロン6マルチフィラメントを得、レース編物を得た。評価結果を表1に示す。 [Comparative Example 1]
The heating cylinder is a single-layer heating cylinder having a heating cylinder length L of 50 mm, and the temperature is set so that the ambient temperature becomes 300 ° C., and the draw ratio is 3.2 times. , 7
上層の加熱筒の雰囲気温度200℃、下層の加熱筒の雰囲気温度を100℃となるように温度設定し、加熱筒内で雰囲気温度100~200℃にて徐冷、引き取りローラー速度1700m/minとした以外は実施例1と同様の方法で、22dtex、7フィラメントのナイロン6マルチフィラメントを得、レース編物を得た。評価結果を表1に示す。 [Comparative Example 2]
The temperature is set so that the atmospheric temperature of the upper heating cylinder is 200 ° C. and the atmospheric temperature of the lower heating cylinder is 100 ° C., and is gradually cooled in the heating cylinder at an atmospheric temperature of 100 to 200 ° C., and the take-up roller speed is 1700 m / min. A
加熱筒を設置しないとした以外は実施例1と同様の方法で、22dtex、7フィラメントのナイロン6マルチフィラメントを得、レース編物を得た。評価結果を表1に示す。 [Comparative Example 3]
A
給油位置Lgを800mm、延伸倍率3.0倍とした以外は実施例1と同様の方法で、22dtex、7フィラメントのナイロン6マルチフィラメントを得、レース編物を得た。評価結果を表2に示す。 Example 5
A
給油位置Lgを1500mm、延伸倍率2.7倍とした以外は実施例1と同様の方法で、22dtex、7フィラメントのナイロン6マルチフィラメントを得、レース編物を得た。評価結果を表2に示す。 Example 6
A
給油位置Lgを600mm、延伸倍率3.2倍とした以外は実施例1と同様の方法で、22dtex、7フィラメントのナイロン6マルチフィラメントを得、レース編物を得た。評価結果を表2に示す。 [Comparative Example 4]
A 22 dtex, 7-
給油位置Lgを3000mm、延伸倍率2.7倍とした以外は実施例1と同様の方法で、22dtex、7フィラメントのナイロン6マルチフィラメントを得、レース編物を得た。評価結果を表2に示す。 [Comparative Example 5]
A
引き取りローラー速度(紡糸速度)1000m/min、延伸倍率3.8倍とした以外は実施例1と同様の方法で、22dtex、7フィラメントのナイロン6マルチフィラメントを得、レース編物を得た。評価結果を表2に示す。 Example 7
A
引き取りローラー速度(紡糸速度)2000m/min、延伸倍率2.3倍とした以外は実施例1と同様の方法で、22dtex、7フィラメントのナイロン6マルチフィラメントを得、レース編物を得た。評価結果を表2に示す。 Example 8
A
引き取りローラー速度(紡糸速度)800m/min、延伸倍率4.5倍とした以外は実施例1と同様の方法で、22dtex、7フィラメントのナイロン6マルチフィラメントを得、レース編物を得た。評価結果を表2に示す。 [Comparative Example 6]
A
引き取りローラー速度(紡糸速度)2500m/min、延伸倍率1.9倍とした以外は実施例1と同様の方法で、22dtex、7フィラメントのナイロン6マルチフィラメントを得、レース編物を得た。評価結果を表2に示す。 [Comparative Example 7]
A
径の異なる延伸ローラーを用い、熱セット長1200mmとした以外は実施例1と同様の方法で、22dtex、7フィラメントのナイロン6マルチフィラメントを得、レース編物を得た。評価結果を表2に示す。 Example 9
A
径の異なる延伸ローラーを用い、熱セット長1800mmとした以外は実施例1と同様の方法で、22dtex、7フィラメントのナイロン6マルチフィラメントを得、レース編物を得た。評価結果を表2に示す。 [Comparative Example 8]
A
(ポリアミドマルチフィラメントの製造)
ポリアミドとして、硫酸相対粘度(ηr)が3.3、融点225℃のナイロン6チップを水分率0.03質量%以下となるよう常法にて乾燥した。得られたナイロン6チップを紡糸温度(溶融温度)290℃にて溶融し、紡糸口金より吐出させた。紡糸口金は、ホール数が30、丸形、孔径φ0.20、6糸条/口金のものを使用した。 Example 10
(Manufacture of polyamide multifilament)
As a polyamide, a
次に該マルチフィラメントをカバリング糸の被服糸に用い、22デシテックスのポリウレタン弾性糸を芯糸とし、ドラフト3.0倍に設定し、撚数2400t/m(S,Z方向)でシングルカバリングして、シングルカバリグ弾性糸(SCY)を製造した。 (Manufacture of stockings)
Next, the multifilament is used as a covering yarn, a 22-dtex polyurethane elastic yarn is used as a core yarn, the draft is set to 3.0 times, and a single covering is performed at a twist number of 2400 t / m (S, Z direction). A single cover elastic yarn (SCY) was produced.
加熱筒を設置しないとした以外は実施例10と同様の方法で、8dtex、5フィラメントのナイロン6マルチフィラメントを得、ストッキング製品を得た。評価結果を表3に示す。 [Comparative Example 9]
8 dtex, 5
加熱筒を設置しない、引き取りローラー速度(紡糸速度)2500m/min、延伸倍率1.5倍とした以外は実施例10と同様の方法で、8dtex、5フィラメントのナイロン6マルチフィラメントを得、ストッキング製品を得た。評価結果を表3に示す。 [Comparative Example 10]
Stocking products were obtained in the same manner as in Example 10 except that no heating cylinder was installed, take-up roller speed (spinning speed) 2500 m / min, and draw ratio 1.5 times, and 8 dtex, 5
加熱筒は、加熱筒長さLを50mmの単層加熱筒を用い、雰囲気温度300℃となるように温度設定、給油位置Lgを3000mm、引き取りローラー速度(紡糸速度)600m/min、延伸倍率4.5倍とした以外は実施例10と同様の方法で、8dtex、5フィラメントのナイロン6マルチフィラメントを得、ストッキング製品を得た。評価結果を表3に示す。 [Comparative Example 11]
The heating cylinder is a single-layer heating cylinder having a heating cylinder length L of 50 mm, the temperature is set so that the atmospheric temperature is 300 ° C., the oil supply position Lg is 3000 mm, the take-up roller speed (spinning speed) is 600 m / min, and the draw ratio is 4. Except for the ratio of 5 times, 8 dtex, 5
2:気体噴出装置
3:加熱筒
4:冷却装置
5:給油装置
6:流体交絡ノズル装置
7:引き取りローラー
8:延伸ローラー
9:巻取装置
L:多層加熱筒長さ
L1:多層加熱筒の単層長さ
LS:冷却開始距離
Lg:給油位置
1: Spinneret 2: Gas ejection device 3: Heating cylinder 4: Cooling device 5: Oil supply device 6: Fluid entanglement nozzle device 7: Take-up roller 8: Stretching roller 9: Winding device L: Multi-layer heating tube length L1: Multi-layer Single layer length LS of heating cylinder: Cooling start distance Lg: Refueling position
Claims (6)
- 15%伸長時の引張強度が4.0~6.0cN/dtex、強伸度積が10.0以上、糸斑(U%)が1.2以下であることを特徴とするポリアミドマルチフィラメント。 A polyamide multifilament having a tensile strength at 15% elongation of 4.0 to 6.0 cN / dtex, a high elongation product of 10.0 or more, and a yarn spot (U%) of 1.2 or less.
- 単糸繊度が1.3~3.4dtexであることを特徴とする請求項1に記載のポリアミドマルチフィラメント。 The polyamide multifilament according to claim 1, wherein the single yarn fineness is 1.3 to 3.4 dtex.
- 伸度が30~50%であることを特徴とする請求項1または2に記載のポリアミドマルチフィラメント。 The polyamide multifilament according to claim 1 or 2, wherein the elongation is 30 to 50%.
- 結晶量と剛直非晶量の和が70~90%であることを特徴とする請求項1~3のいずれかに記載のポリアミドマルチフィラメント。 The polyamide multifilament according to any one of claims 1 to 3, wherein the sum of the crystal amount and the rigid amorphous amount is 70 to 90%.
- 請求項1~4のいずれか1項に記載のポリアミドマルチフィラメントをレース地糸に使用したレース編物。 A lace knitted fabric using the polyamide multifilament according to any one of claims 1 to 4 as a lace yarn.
- 請求項1~4のいずれか1項に記載のポリアミドマルチフィラメントをカバリング被覆糸として使用し、そのカバリング糸を一部に使用したストッキング。
A stocking using the polyamide multifilament according to any one of claims 1 to 4 as a covering yarn, and using the covering yarn as a part thereof.
Priority Applications (7)
Application Number | Priority Date | Filing Date | Title |
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KR1020197001908A KR102363120B1 (en) | 2016-07-26 | 2017-07-11 | Polyamide multifilament and lace knitting and stockings using same |
JP2017550778A JP6687035B2 (en) | 2016-07-26 | 2017-07-11 | Polyamide multifilament and lace knitting and stockings using the same |
US16/320,998 US20190174837A1 (en) | 2016-07-26 | 2017-07-11 | Polyamide multifilament, and lace knit and stockings using same |
EP17834019.6A EP3492636B1 (en) | 2016-07-26 | 2017-07-11 | Polyamide multifilament, and lace knit and stockings using same |
CN201780046231.8A CN109477250B (en) | 2016-07-26 | 2017-07-11 | Polyamide multifilament yarn and lace knitted fabric and stocking using the same |
RU2019101900A RU2019101900A (en) | 2016-07-26 | 2017-07-11 | POLYAMIDE COMPLEX THREAD AND ITS USE IN KNITTED LACE AND HOSTS |
IL264428A IL264428A (en) | 2016-07-26 | 2019-01-23 | Polyamide multifilament, and lace knit and stockings using same |
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JP2016146049 | 2016-07-26 | ||
JP2016-146049 | 2016-07-26 |
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PCT/JP2017/025223 WO2018021011A1 (en) | 2016-07-26 | 2017-07-11 | Polyamide multifilament, and lace knit and stockings using same |
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US (1) | US20190174837A1 (en) |
EP (1) | EP3492636B1 (en) |
JP (1) | JP6687035B2 (en) |
KR (1) | KR102363120B1 (en) |
CN (1) | CN109477250B (en) |
IL (1) | IL264428A (en) |
RU (1) | RU2019101900A (en) |
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WO2019146600A1 (en) * | 2018-01-25 | 2019-08-01 | 東レ株式会社 | Polyamide multifilament and knitted lace manufactured using same |
WO2019208427A1 (en) * | 2018-04-25 | 2019-10-31 | 東レ株式会社 | Polyamide fiber, woven or knit fabric, and method for producing polyamide fiber |
WO2020105637A1 (en) * | 2018-11-21 | 2020-05-28 | 東レ株式会社 | Polyamide multifilament and covering elastic yarn |
WO2022113810A1 (en) * | 2020-11-30 | 2022-06-02 | 東レ株式会社 | Polyamide multifilament, method for manufacturing same, and woven/knitted article |
WO2023228878A1 (en) * | 2022-05-27 | 2023-11-30 | 東レ株式会社 | Polyamide modified cross-section fiber and fiber formed from core-sheath composite yarn |
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EP4202093A1 (en) * | 2020-08-21 | 2023-06-28 | Toray Industries, Inc. | Polyamide multifilament, and method for manufacturing same |
WO2022132101A1 (en) * | 2020-12-15 | 2022-06-23 | Aydin Örme San. Ve Ti̇c. A.Ş. | Use of lyocell yarn in the production of lace |
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- 2017-07-11 RU RU2019101900A patent/RU2019101900A/en not_active Application Discontinuation
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Also Published As
Publication number | Publication date |
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CN109477250A (en) | 2019-03-15 |
JP6687035B2 (en) | 2020-04-22 |
JPWO2018021011A1 (en) | 2019-05-09 |
KR102363120B1 (en) | 2022-02-15 |
US20190174837A1 (en) | 2019-06-13 |
IL264428A (en) | 2019-02-28 |
TWI745408B (en) | 2021-11-11 |
TW201809385A (en) | 2018-03-16 |
EP3492636B1 (en) | 2023-05-10 |
EP3492636A4 (en) | 2019-12-18 |
CN109477250B (en) | 2021-08-31 |
RU2019101900A3 (en) | 2020-08-26 |
KR20190032373A (en) | 2019-03-27 |
EP3492636A1 (en) | 2019-06-05 |
RU2019101900A (en) | 2020-08-26 |
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