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CN1232889A - 聚酯纱的制造方法和装置 - Google Patents

聚酯纱的制造方法和装置 Download PDF

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Publication number
CN1232889A
CN1232889A CN98115278A CN98115278A CN1232889A CN 1232889 A CN1232889 A CN 1232889A CN 98115278 A CN98115278 A CN 98115278A CN 98115278 A CN98115278 A CN 98115278A CN 1232889 A CN1232889 A CN 1232889A
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polyester filament
polyester
adverse current
crystallinity
filament
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CN98115278A
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CN1105197C (zh
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R·盖尔
I·艾兰德
J·哈迪格
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ThyssenKrupp Industrial Solutions AG
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John Brown Deutsche Engineering GmbH
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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
    • D01D5/12—Stretch-spinning methods
    • D01D5/16—Stretch-spinning methods using rollers, or like mechanical devices, e.g. snubbing pins
    • 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
    • D01D10/00—Physical treatment of artificial filaments or the like during manufacture, i.e. during a continuous production process before the filaments have been collected
    • D01D10/02—Heat treatment
    • 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
    • D01F6/62—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from homopolycondensation products from polyesters

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Yarns And Mechanical Finishing Of Yarns Or Ropes (AREA)
  • Artificial Filaments (AREA)
  • Spinning Methods And Devices For Manufacturing Artificial Fibers (AREA)

Abstract

本发明涉及工业聚酯纱的制造方法,按此方法聚酯长丝在预牵伸过程被逆流的气体介质在考虑预定的温度下进行侧吹风和进行预牵伸产生>24%的结晶度。

Description

聚酯纱的制造方法和装置
本发明涉及一种聚酯纱的制造方法，按此方法
-聚酯纱用熔纺聚酯长丝的集束方法制得，此外
-聚酯长丝在喷丝板后的冷却区至少冷却到凝固点的温度，随后为了牵伸在逆流的加热区加热至玻璃化转变点的温度以上，其中
-为产生所需的牵伸张力聚酯长丝在未集束的情况下通过逆流加热区和被逆流的气体介质侧吹风并进行预牵伸，然后
-具有最终纤度为1.0dtex-7.5dtex的聚酯长丝随后在80℃-250℃以1∶1.5-1∶1.15的牵伸比进行后牵伸，和
-随后聚酯长丝用卷绕速度为5000m/min-8000m/min进行卷绕。
最终纤度是指牵伸后的纤度。
这种方法从DE19529135中获知。由此已知的方法制造的聚酯长丝可以制造总纤度范围大约在100dtex-1100dtex或更大纤度的工业聚酯纱；而且这是特别合理的方法。
对于聚酯纱或它的聚酯长丝一直存在的问题是尺寸稳定性。尺寸稳定性一方面要考虑相对延伸率(％)，另方面要考虑热收缩(％)，它定义如下：
DS＝EASL(45N)＋HAS(180/190℃)
其中EASL可理解为“在特定负荷下的延伸”和HAS可理解为“热空气收缩”。例如纤度为1100dtex的纱典型的DS一值见下表
    EALS     HAS     DS
 LS(低收缩)     ～18     ≤3     ～21
 HM(高模量)     ＞3.7     ≤9     ～13
 HMLS(高模低收缩)     ＞3.7     ≤3     ～7
只有当尺寸稳定性DS有保证，再以所需的方式调节延伸和收缩。尺寸稳定性的先决条件是聚酯长丝的结晶度。结晶度愈高聚酯长丝和由它得到的聚酯纱在高温中愈稳定，它们的收缩也愈小。
众所周知，在制造聚合物纱的过程中要制得结晶度为5％-14％(参看PCT/WO96/20299)和结晶度为16％-24％(参看PCT/WO90/04667)的聚对苯二甲酸乙二酯长丝，但是所提及的问题还未得到满意的解决。
因此本发明的任务是获得开始所描述的实施形式的聚酯纱的制造方法，按此法制造具有所需的尺寸稳定性的聚酯长丝，并考虑到具有特别低的收缩。
本发明由下面的一种方法完成此任务，将聚酯长丝在逆流区用100℃-199℃，优选120℃-170℃的温度进行处理和进行预牵伸形成结晶度＞24％。在本发明范围有可能使聚酯长丝进行预牵伸形成25％-29％的结晶度或甚至30％-50％结晶度。由于此原因聚酯长丝和由它制得的纱特别稳定和不仅具有对尺寸稳定性所需的相对延伸，而且也具有极低的收缩值，这样使DS一值和尺寸稳定性不难达到。因此按本发明方法制造的聚酯纱适合作为工业方面的用途和尤其特别适用于制造织物。为使结晶度达到30％-50％理想的是使聚酯长丝温度在200℃-350℃，优选在220℃-270℃进行侧吹风。为产生所需的牵伸张力要使聚酯长丝不仅以未集束的情况通过逆流的加热区，而且用5M3/h-50M3/h，优选26M3/h-40M3/h的空气量在逆流中进行侧吹风和预牵伸。
下面借助于仅有的一个实施例所展示的插图进一步解释本发明。
唯一的插图表示制造全取向工业聚酯纱的装置。其中纺线装置1带有挤压机2和纺丝箱体作喷丝板3，挤压机2提供聚酯熔体给喷丝板3。在喷丝板3后接有后热处理区4。然后是侧吹风冷却区。在冷却区5后连有逆流加热区7，在其中未集束的聚酯长丝8以逆流进行侧吹风，和形成＞24％的结晶度。后面还装有一个上油剂装置9，丝束由逆流加热区7出来后经过此上油装置。逆流加热区7后装有可加热的导丝辊10。导丝辊10用不同速度驱动和可使聚酯纱进行后牵伸。导丝辊10后配置有卷绕装置用于卷绕后牵伸的聚酯长丝8，卷绕机可以用5000m/min-8000m/min的卷绕速度进行卷绕。

Claims (4)

1.聚酯纱的制造方法，按此
-聚酯纱用熔纺聚酯长丝(8)的集束方法制得，此外
-聚酯长丝(8)在喷丝板(3)后的冷却区(5)至少冷却到凝固点的温度，随后为了牵伸在逆流加热区(7)加热至玻璃化转变点的温度以上，其中
-为产生所需的牵伸张力聚酯长丝(8)在未集束的情况穿过逆流加热区(7)和被逆流的气体介质侧吹风并进行预牵伸，然后
-具有最终纤度为1.0dtex-7.5dtex的聚酯长丝(8)随后在80℃-250℃以1∶1.5-1∶1.15的牵伸比进行后牵伸，和
-最后聚酯长丝(8)用卷绕速度为5000m/min-8000m/min进行卷绕，
其特征是，将聚酯长丝(8)置于温度为100℃-199℃，优选120℃-170℃的逆流区和进行预牵伸形成＞24％的结晶度。
2.按权利要求1的方法，其特征是，聚酯长丝进行预牵伸形成25％-29％的结晶度。
3.按权利要求1的方法，其特征是，聚酯长丝进行预牵伸形成30％-50％的结晶度。
4.按权利要求1至3之一的方法，其特征是，聚酯长丝(8)用5M3/h-50M3/h，优选26M3/h-40M3/h的空气量以逆流进行侧吹风。
CN98115278A 1998-04-17 1998-06-25 聚酯纱的制造方法 Expired - Fee Related CN1105197C (zh)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19816979A DE19816979A1 (de) 1998-04-17 1998-04-17 Verfahren und Vorrichtung zum Herstellen von Polyestergarnen
DE19816979.5 1998-04-17

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CN1105197C CN1105197C (zh) 2003-04-09

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EP (1) EP0950732B1 (zh)
CN (1) CN1105197C (zh)
CZ (1) CZ293617B6 (zh)
DE (2) DE19816979A1 (zh)
ES (1) ES2189303T3 (zh)
PL (1) PL192400B1 (zh)
SK (1) SK284978B6 (zh)
TW (1) TW475011B (zh)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1092722C (zh) * 1997-05-20 2002-10-16 东丽株式会社 聚酯纤维及制造方法
CN101880918A (zh) * 2010-06-18 2010-11-10 东华大学 一种运用于碳纤维牵伸工艺优化的多目标动态规划方法
CN102352537A (zh) * 2011-08-16 2012-02-15 黑龙江大学 聚丙烯腈基碳纤维原丝的无凝固浴纺丝方法

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7648358B1 (en) * 2008-10-08 2010-01-19 Holon Seiko Co., Ltd. Plastic pellet forming apparatus
US10265899B2 (en) 2014-04-22 2019-04-23 Plastipak Packaging, Inc. Pellet and precursor with recycled content
CN113046851B (zh) * 2021-04-20 2022-06-07 江苏太极实业新材料有限公司 一种高强力高尺寸稳定性hmls聚酯工业丝的制造方法

Family Cites Families (7)

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Publication number Priority date Publication date Assignee Title
US3946100A (en) * 1973-09-26 1976-03-23 Celanese Corporation Process for the expeditious formation and structural modification of polyester fibers
EP0034880B1 (en) * 1980-02-18 1986-03-05 Imperial Chemical Industries Plc Process for forming a continuous filament yarn from a melt spinnable polyethylene terephthalat and novel polyester yarns produced by the process
US4909976A (en) * 1988-05-09 1990-03-20 North Carolina State University Process for high speed melt spinning
US5067538A (en) * 1988-10-28 1991-11-26 Allied-Signal Inc. Dimensionally stable polyester yarn for highly dimensionally stable treated cords and composite materials such as tires made therefrom
DE4021545A1 (de) * 1990-07-06 1992-01-16 Engineering Der Voest Alpine I Verfahren und vorrichtung zum herstellen von kunststoffaeden oder -fasern aus polymeren, insbesondere polyamid, polyester oder polypropylen
RU2146311C1 (ru) * 1994-12-23 2000-03-10 Акцо Нобель Н.В. Способ изготовления пряжи из непрерывной полиэфирной нити, пряжа из полиэфирной нити, корд, содержащий полиэфирные нити, и резиновое изделие
DE19529135A1 (de) * 1995-08-08 1997-02-13 Brown John Deutsche Eng Gmbh Verfahren und Vorrichtung zum Herstellen von Polyestergarnen

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1092722C (zh) * 1997-05-20 2002-10-16 东丽株式会社 聚酯纤维及制造方法
CN101880918A (zh) * 2010-06-18 2010-11-10 东华大学 一种运用于碳纤维牵伸工艺优化的多目标动态规划方法
CN102352537A (zh) * 2011-08-16 2012-02-15 黑龙江大学 聚丙烯腈基碳纤维原丝的无凝固浴纺丝方法
CN102352537B (zh) * 2011-08-16 2013-08-07 黑龙江大学 聚丙烯腈基碳纤维原丝的无凝固浴纺丝方法

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ES2189303T3 (es) 2003-07-01
US6149847A (en) 2000-11-21
CZ293617B6 (cs) 2004-06-16
DE19816979A1 (de) 1999-10-21
EP0950732A3 (de) 2000-01-05
TW475011B (en) 2002-02-01
CN1105197C (zh) 2003-04-09
EP0950732A2 (de) 1999-10-20
PL328988A1 (en) 1999-10-25
DE59904352D1 (de) 2003-04-03
SK49099A3 (en) 2001-07-10
CZ268098A3 (cs) 1999-12-15
EP0950732B1 (de) 2003-02-26
PL192400B1 (pl) 2006-10-31
SK284978B6 (sk) 2006-03-02

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