JPS6114243B2 - - Google Patents

Info

Publication number
JPS6114243B2
JPS6114243B2 JP15299277A JP15299277A JPS6114243B2 JP S6114243 B2 JPS6114243 B2 JP S6114243B2 JP 15299277 A JP15299277 A JP 15299277A JP 15299277 A JP15299277 A JP 15299277A JP S6114243 B2 JPS6114243 B2 JP S6114243B2
Authority
JP
Japan
Prior art keywords
hole
melt
same time
satisfies
ultrafine fibers
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
JP15299277A
Other languages
Japanese (ja)
Other versions
JPS5488316A (en
Inventor
Masanori Takeuchi
Masaharu Yamamoto
Kyoshi Nakagawa
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Toray Industries Inc
Original Assignee
Toray Industries Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Toray Industries Inc filed Critical Toray Industries Inc
Priority to JP15299277A priority Critical patent/JPS5488316A/en
Publication of JPS5488316A publication Critical patent/JPS5488316A/en
Publication of JPS6114243B2 publication Critical patent/JPS6114243B2/ja
Granted legal-status Critical Current

Links

Claims (1)

【特許請求の範囲】 １ 少なくとも85％がエチレンテレフタレートか
ら構成されるポリエステルを次の(1)〜(5)式を同時
に満足する円形孔を穿設した口金を用いて、(6)〜
(7)式を同時に満す吐出量で溶融紡糸し、得られる
繊維の延伸後の単糸繊度が0.3〜1.0デニールであ
ることを特徴とするポリエステル極細繊維の溶融
紡糸方法。 1.0≦ｄ≦4.5（個／cm2） (1) min≧3.5（mm） (2) 0.13≦Ｄ≦0.25（mm） (3) 1.0≦Ｌ／Ｄ≦10 (4) 200≦Ｌ／D4≦800（mm-3） (5) 0.085≦Ｑ≦0.39（c.c.／min・Hole） (6) 45≦ＬＱ／Ｄ４≦220（１／min・Hole） (7) 〔但し、 ｄは次式で定義される孔密度 【表】 〓内周孔配列円の中間に穿設された孔数）〓
ｄ＝[Scope of Claims] 1 Polyester composed of at least 85% ethylene terephthalate is processed using a cap with a circular hole that satisfies the following formulas (1) to (5) at the same time.
A method for melt-spinning polyester ultrafine fibers, characterized in that the polyester ultrafine fibers are melt-spun at a discharge rate that satisfies formula (7) at the same time, and the resulting fibers have a single filament fineness of 0.3 to 1.0 denier after drawing. 1.0≦d≦4.5 (pcs/cm 2 ) (1) min≧3.5 (mm) (2) 0.13≦D≦0.25 (mm) (3) 1.0≦L/D≦10 (4) 200≦L/D 4 ≦800 (mm -3 ) (5) 0.085≦Q≦0.39 (cc/min・Hole) (6) 45≦LQ/D 4 ≦220 (1/min・Hole) (7) [However, d is the following formula Hole density defined by [Table] 〓Number of holes drilled in the middle of the inner hole arrangement circle)〓
d=
JP15299277A 1977-12-21 1977-12-21 Method of melt spinning of extremely fine fiber Granted JPS5488316A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP15299277A JPS5488316A (en) 1977-12-21 1977-12-21 Method of melt spinning of extremely fine fiber

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP15299277A JPS5488316A (en) 1977-12-21 1977-12-21 Method of melt spinning of extremely fine fiber

Publications (2)

Publication Number Publication Date
JPS5488316A JPS5488316A (en) 1979-07-13
JPS6114243B2 true JPS6114243B2 (en) 1986-04-17

Family

ID=15552584

Family Applications (1)

Application Number Title Priority Date Filing Date
JP15299277A Granted JPS5488316A (en) 1977-12-21 1977-12-21 Method of melt spinning of extremely fine fiber

Country Status (1)

Country Link
JP (1) JPS5488316A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104695033A (en) * 2015-03-19 2015-06-10 泉州天宇化纤织造实业有限公司 Production process of nylon-6 coarse-denier high-strength yarns

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS54156814A (en) * 1978-05-31 1979-12-11 Toyobo Co Ltd Manufacture of ultra-fine fibers
JPS5526201A (en) * 1978-06-17 1980-02-25 Asahi Chem Ind Co Ltd Undrawn continuous thermoplastic polymer filament yarn and its production
JPS5562209A (en) * 1978-10-30 1980-05-10 Toray Ind Inc Melt spinning of ultra-fine fiber
ES2147613T3 (en) * 1995-08-04 2000-09-16 Du Pont MANUFACTURE OF POLYESTER THREADS OF CONTINUOUS FINE FILAMENTS OF LARGE NUMBER OF FILAMENTS.
CN1092721C (en) * 1995-08-04 2002-10-16 纳幕尔杜邦公司 Making high filament count fine filament polyester yarns
CA2470378A1 (en) * 2001-12-14 2003-06-26 The Procter & Gamble Company High elongation, low denier fibers using high extrusion rate spinning

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104695033A (en) * 2015-03-19 2015-06-10 泉州天宇化纤织造实业有限公司 Production process of nylon-6 coarse-denier high-strength yarns

Also Published As

Publication number Publication date
JPS5488316A (en) 1979-07-13

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