CN102851780B - Large-diameter thermoplastic elastic monofilament and production method thereof - Google Patents

Large-diameter thermoplastic elastic monofilament and production method thereof Download PDF

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Publication number
CN102851780B
CN102851780B CN201210372256.6A CN201210372256A CN102851780B CN 102851780 B CN102851780 B CN 102851780B CN 201210372256 A CN201210372256 A CN 201210372256A CN 102851780 B CN102851780 B CN 102851780B
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liquid
roller
monofilament
temperature
liquid case
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CN102851780A (en
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马海燕
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Nantong new silk monofilament Polytron Technologies Inc
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马海燕
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Abstract

The invention discloses a large-diameter thermoplastic elastic monofilament and a production method thereof. Polymer is polyester thermoplastic elastomer, the diameter of the monofilament is 0.08mm to 1mm, the strength of the monofilament is greater than or equal to 2.0CN/dtex, the elongation at break is 50 to 150 percent, and the elastic recovery rate is greater than or equal to 95 percent. The process is simple and convenient to operate, the formed fiber has the characteristics of high strength, high roundness, high uniformity and the like, and the application range is wide.

Description

Major diameter thermoplastic elastic monofilament and production method thereof
Technical field
The present invention relates to a kind of major diameter thermoplastic elastic monofilament and production method thereof.
Background technology
, there is defect at aspect of performances such as intensity, extension at break, elastic recoverys in existing monofilament, affects service behaviour and the scope of application.
Summary of the invention
The object of the present invention is to provide a kind of major diameter thermoplastic elastic monofilament and production method thereof of favorable working performance.
Technical solution of the present invention is:
A major diameter thermoplastic elastic monofilament, is characterized in that: polymer is polyester-type thermoplastic elastomer (TPE), and filament diameter is 0.08 ~ 1mm, filament strength >=2.0CN/dtex, and elongation at break is 50 ~ 150%, elastic recovery rate >=95%.
The production method of described major diameter thermoplastic elastic monofilament, comprises spinning, cooling, stretching, HEAT SETTING step, it is characterized in that: spinning temperature is 230 ~ 270 ℃; Cooling employing liquid cooling method, by directly entering liquid feeding tank from the polymer melt of spinneret component ejection, carries out liquid cools moulding, and the forward and backward Wound-up roller in liquid case carries liquid outlet tank to enter postorder operation; Forward and backward Wound-up roller is positioned in same level, distance between forward and backward Wound-up roller is 80 ~ 150cm, wherein in liquid case, the temperature of liquid is 40 ~ 70 ℃, and spinneret component spray silk end is 8cm with the distance of liquid case liquid level, and the roller in liquid case and the distance of liquid level are 50 ~ 90cm; Liquid in liquid case is circulation fluid, and the flow of circulation fluid is 25 ~ 250kg/h, and the liquid in liquid case is water, triethylene glycol liquid or paraffin liquid, the tensile stress≤critical tensile stress of monofilament; One-level hot water draft temperature is 85 ~ 95 ℃, and secondary hot blast draft temperature is 140-180 ℃, and total stretching ratio is 3.5 ~ 5.5 times; Heat setting temperature is 160 ~ 190 ℃.
Technique of the present invention is simple, easy to operate, and the fiber of moulding has the features such as high-tenacity, high roundness, high uniformity, and the scope of application is wide.
Below in conjunction with drawings and Examples, the invention will be further described.
Fig. 1 is the cooling device schematic diagram of one embodiment of the invention.
The specific embodiment
A major diameter thermoplastic elastic monofilament, polymer is polyester-type thermoplastic elastomer (TPE), filament diameter is 0.08 ~ 1mm, filament strength >=2.0CN/dtex, elongation at break is 50 ~ 150%, elastic recovery rate >=95%.
The production method of described major diameter thermoplastic elastic monofilament, comprises spinning, cooling, stretching, HEAT SETTING step, and spinning temperature is 230 ~ 270 ℃; Cooling employing liquid cooling method, by directly entering liquid feeding tank 2 from the polymer melt of spinneret component 1 ejection, carries out liquid cools moulding, and the forward and backward Wound-up roller in liquid case carries liquid outlet tank to enter postorder operation; Forward and backward Wound-up roller 3,4 is positioned in same level, distance between forward and backward Wound-up roller is 80 ~ 150cm, wherein in liquid case, the temperature of liquid is 40 ~ 70 ℃, and spinneret component spray silk end is 8cm with the distance of liquid case liquid level, and the roller in liquid case and the distance of liquid level are 50 ~ 90cm; Liquid in liquid case is circulation fluid, and the flow of circulation fluid is 25 ~ 250kg/h, and the liquid in liquid case is water, triethylene glycol liquid or paraffin liquid, the tensile stress≤critical tensile stress of monofilament; One-level hot water draft temperature is 85 ~ 95 ℃, and secondary hot blast draft temperature is 140-180 ℃, and total stretching ratio is 3.5 ~ 5.5 times; Heat setting temperature is 160 ~ 190 ℃.

Claims (1)

1. the production method of a major diameter thermoplastic elastic monofilament, comprise spinning, cooling, stretching, HEAT SETTING step, it is characterized in that: polymer is polyester-type thermoplastic elastomer (TPE), filament diameter is 0.08～1mm, filament strength >=2.0CN/dtex, elongation at break is 50～150%, elastic recovery rate >=95%;
Described spinning temperature is 230～270 ℃; Cooling employing liquid cooling method, by directly entering liquid feeding tank from the polymer melt of spinneret component ejection, carries out liquid cools moulding, and the forward and backward Wound-up roller in liquid case carries liquid outlet tank to enter postorder operation; Forward and backward Wound-up roller is positioned in same level, distance between forward and backward Wound-up roller is 80～150cm, wherein in liquid case, the temperature of liquid is 40～70 ℃, and spinneret component spray silk end is 8cm with the distance of liquid case liquid level, and the roller in liquid case and the distance of liquid level are 50～90cm; Liquid in liquid case is circulation fluid, and the flow of circulation fluid is 25～250kg/h, and the liquid in liquid case is triethylene glycol liquid, the tensile stress≤critical tensile stress of monofilament; One-level hot water draft temperature is 85～95 ℃, and secondary hot blast draft temperature is 140-180 ℃, and total stretching ratio is 3.5～5.5 times; Heat setting temperature is 160～190 ℃.
CN201210372256.6A 2012-09-29 2012-09-29 Large-diameter thermoplastic elastic monofilament and production method thereof Active CN102851780B (en)

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CN201210372256.6A CN102851780B (en) 2012-09-29 2012-09-29 Large-diameter thermoplastic elastic monofilament and production method thereof

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CN102851780B true CN102851780B (en) 2014-03-26

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR102137274B1 (en) 2019-01-07 2020-07-23 (주) 정산인터내셔널 Thermoplastic elastomer yarn with improved unwinding, weaving and yarn shrinking property, and manufacturing method thereof
TWI744108B (en) * 2020-11-24 2021-10-21 勤倫有限公司 Silk made by cutting film material and refined to improve physical properties and its production method

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101260572A (en) * 2008-05-08 2008-09-10 上海杜为化纤有限公司 Method for preparing copolymerized polyester elastic body single filament
CN101748500A (en) * 2009-12-16 2010-06-23 马海燕 Liquid cooling polymer single fiber forming method
CN101982579A (en) * 2010-10-26 2011-03-02 马海燕 Large-diameter thermoplastic elastomer monofilament and production method thereof

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2004204413A (en) * 2002-12-26 2004-07-22 Du Pont Toray Co Ltd Polyester monofilament and method for producing the same

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101260572A (en) * 2008-05-08 2008-09-10 上海杜为化纤有限公司 Method for preparing copolymerized polyester elastic body single filament
CN101748500A (en) * 2009-12-16 2010-06-23 马海燕 Liquid cooling polymer single fiber forming method
CN101982579A (en) * 2010-10-26 2011-03-02 马海燕 Large-diameter thermoplastic elastomer monofilament and production method thereof

Non-Patent Citations (3)

* Cited by examiner, † Cited by third party
Title
JP特开2004-204413A 2004.07.22
大直径PTT/PET皮芯型复合单丝成形工艺及性能的研究;胡婷婷;《中国优秀硕士学位论文全文数据库 工程科技I辑》;20120715(第7期);第26页、第42-43页 *
胡婷婷.大直径PTT/PET皮芯型复合单丝成形工艺及性能的研究.《中国优秀硕士学位论文全文数据库 工程科技I辑》.2012,(第7期),

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Owner name: NANTONG NTEC SPECIAL FIBER CO., LTD.

Free format text: FORMER OWNER: MA HAIYAN

Effective date: 20150106

C41 Transfer of patent application or patent right or utility model
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Effective date of registration: 20150106

Address after: 226000, Gangzha District, Jiangsu City, Gangzha province Nantong port industrial and Trade Park

Patentee after: Nantong new silk monofilament Polytron Technologies Inc

Address before: 226000, Gangzha District, Jiangsu City, Nantong province Nantong Gangzha economic and Trade Zone, the new emperor textile fiber Chemical Co., Ltd.

Patentee before: Ma Haiyan