CN104294403A - Preparation method of stretch-proof mixed fibers - Google Patents

Preparation method of stretch-proof mixed fibers Download PDF

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Publication number
CN104294403A
CN104294403A CN201410557623.9A CN201410557623A CN104294403A CN 104294403 A CN104294403 A CN 104294403A CN 201410557623 A CN201410557623 A CN 201410557623A CN 104294403 A CN104294403 A CN 104294403A
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Prior art keywords
stretch
preparation
proof
blended fiber
temperature
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CN201410557623.9A
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CN104294403B (en
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顾子安
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Huazhong University of Science and Technology
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HUZHOU LINGHU SHICONG YONGSHENG SILK WEAVING FACTORY
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Abstract

The invention discloses a preparation method of stretch-proof mixed fibers, belonging to the field of fiber materials. The preparation method comprises the following steps: (1) blending 25-35 parts of polyamide resin, 12-23 parts of polybutylene, 7-12 parts of hydroxy propyl cellulose and 6-13 parts of flax fibers in a blender; (2) after the blending, carrying out twin-screw extrusion on the fused mixed materials, and carrying out grain dicing on the extruded mixed materials; and (3) carrying out a melt spinning process on master batches, namely carrying out high temperature extrusion spinning, cooling, winding and thermal stretching to obtain the stretch-proof mixed fibers.

Description

A kind of preparation method of blended fiber of stretch-proof
Technical field
The invention belongs to fibrous material field, relate to a kind of preparation method of blended fiber, particularly relate to a kind of preparation method of blended fiber of stretch-proof.
Background technology
High performance fibre material needs to possess very high intensity, and the feature of high performance fibre material has high strength, high-modulus, high temperature resistant, chemically-resistant effect, high load-carrying properties etc.Some materials have high strength and high-modulus, as aramid fiber, aromatic polyester, polyethylene fiber etc.Resistant to elevated temperatures fibrous material has polybenzimidazole fiber, meta-aramid fibers, and they have higher oxygen index (OI).The chemical fibre of chemically-resistant effect has polytetrafluoroethylene fibre, polyether ketone fiber, polyether-ketone imide fiber etc., and all general properties is stable for they.High performance fibrous material is widely used in the industry such as space flight, aviation, national defence, and the extensive use of the tensile property of fibrous material to fibrous material plays key effect.
Summary of the invention
The technical problem solved: synthetic fiber tool has been widely used, chemical fibre industrial production and daily life application widely, the performance of the stretch-proof of conventional chemical fibre is comparatively common, improve the stretch-proof performance of chemical mixing fiber, the Application Areas of chemical fibre can be expanded further, therefore need a kind of preparation method of blended fiber of new stretch-proof.
Technical scheme: for the problems referred to above, the invention discloses a kind of preparation method of blended fiber of stretch-proof, and preparation method's step of the blended fiber of described stretch-proof is as follows:
(1) get that polyamide is 25-35 part, polybutene is 12-23 part, hydroxypropyl cellulose is 7-12 part, linen fibre is 6-13 part, mentioned component is added carry out in blender blended;
(2) after blended, the compound of melting is carried out twin-screw extruder process, after twin-screw extruder, again compound is carried out pelletizing process;
(3) master batch is carried out melt spinning, technique is obtain blended fiber after high temperature extruding spinning, cooling, winding, hot-stretch, prepares the blended fiber of stretch-proof.
The preparation method of the blended fiber of described a kind of stretch-proof, preparation method's step is as follows:
(1) get that polyamide is 25-35 part, polybutene is 12-23 part, hydroxypropyl cellulose is 7-12 part, linen fibre is 6-13 part, added by mentioned component in blender, temperature is adjusted to 75-90 DEG C, the blended time is 40min-60min;
(2) after blended, the compound of melting is carried out twin-screw extruder process, twin-screw extruder process one district temperature is 150-165 DEG C, and two district's temperature are 172-182 DEG C, and three district's temperature are 194-206 DEG C, four district's temperature are 210-220 DEG C, again compound are carried out pelletizing process after twin-screw extruder;
(3) master batch is carried out melt spinning, technique is obtain blended fiber after high temperature extruding spinning, cooling, winding, hot-stretch, wherein high temperature extruding spinning temperature is 175-185 DEG C, hot-stretch temperature is 125-140 DEG C, prepares the blended fiber of stretch-proof.
The preparation method of the blended fiber of described a kind of stretch-proof, in preparation method, polyamide is 29 parts.
The preparation method of the blended fiber of described a kind of stretch-proof, in preparation method, polybutene is 18 parts.
The preparation method of the blended fiber of described a kind of stretch-proof, in preparation method, hydroxypropyl cellulose is 10 parts.
The preparation method of the blended fiber of described a kind of stretch-proof, in preparation method, linen fibre is 9 parts.
The preparation method of the blended fiber of described a kind of stretch-proof, in preparation method, high temperature extruding spinning temperature is 180 DEG C, hot-stretch temperature is 135 DEG C.
Beneficial effect: the major polymer component in the blended fiber of stretch-proof of the present invention is polyamide, polybutene, hydroxypropyl cellulose and linen fibre, four kinds of polymer fiber materials by carrying out melting mixing, the tensile property of blended fiber that screw extruding, melt spinning obtain is improved, for chemical fibre material field provides a kind of high performance chemical fibre, expand the Application Areas of chemical fibre further.
Detailed description of the invention
Embodiment 1
(1) get that polyamide is 35Kg, polybutene is 12Kg, hydroxypropyl cellulose is 12Kg, linen fibre is 13Kg, added by mentioned component in blender, temperature is adjusted to 90 DEG C, the blended time is 40min;
(2) after blended, the compound of melting is carried out twin-screw extruder process, twin-screw extruder process one district temperature is 150 DEG C, and two district's temperature are 182 DEG C, and three district's temperature are 194 DEG C, four district's temperature are 215 DEG C, again compound are carried out pelletizing process after twin-screw extruder;
(3) master batch is carried out melt spinning, technique is obtain blended fiber after high temperature extruding spinning, cooling, winding, hot-stretch, and wherein high temperature extruding spinning temperature is 185 DEG C, hot-stretch temperature is 125 DEG C, prepares the blended fiber of stretch-proof.
The fracture strength of the blended fiber of embodiment 1 is 11.7cN/tex.
Embodiment 2
(1) get that polyamide is 25Kg, polybutene is 23Kg, hydroxypropyl cellulose is 7Kg, linen fibre is 6Kg, added by mentioned component in blender, temperature is adjusted to 75 DEG C, the blended time is 60min;
(2) after blended, the compound of melting is carried out twin-screw extruder process, twin-screw extruder process one district temperature is 165 DEG C, and two district's temperature are 172 DEG C, and three district's temperature are 206 DEG C, four district's temperature are 210 DEG C, again compound are carried out pelletizing process after twin-screw extruder;
(3) master batch is carried out melt spinning, technique is obtain blended fiber after high temperature extruding spinning, cooling, winding, hot-stretch, and wherein high temperature extruding spinning temperature is 175 DEG C, hot-stretch temperature is 140 DEG C, prepares the blended fiber of stretch-proof.
The fracture strength of the blended fiber of embodiment 2 is 12.6cN/tex.
Embodiment 3
(1) get that polyamide is 27Kg, polybutene is 16Kg, hydroxypropyl cellulose is 11Kg, linen fibre is 8Kg, added by mentioned component in blender, temperature is adjusted to 85 DEG C, the blended time is 40min;
(2) after blended, the compound of melting is carried out twin-screw extruder process, twin-screw extruder process one district temperature is 155 DEG C, and two district's temperature are 176 DEG C, and three district's temperature are 200 DEG C, four district's temperature are 220 DEG C, again compound are carried out pelletizing process after twin-screw extruder;
(3) master batch is carried out melt spinning, technique is obtain blended fiber after high temperature extruding spinning, cooling, winding, hot-stretch, and wherein high temperature extruding spinning temperature is 180 DEG C, hot-stretch temperature is 135 DEG C, prepares the blended fiber of stretch-proof.
The fracture strength of the blended fiber of embodiment 3 is 14.2cN/tex.
Embodiment 4
(1) get that polyamide is 29Kg, polybutene is 18Kg, hydroxypropyl cellulose is 10Kg, linen fibre is 9Kg, added by mentioned component in blender, temperature is adjusted to 80 DEG C, the blended time is 50min;
(2) after blended, the compound of melting is carried out twin-screw extruder process, twin-screw extruder process one district temperature is 160 DEG C, and two district's temperature are 180 DEG C, and three district's temperature are 198 DEG C, four district's temperature are 215 DEG C, again compound are carried out pelletizing process after twin-screw extruder;
(3) master batch is carried out melt spinning, technique is obtain blended fiber after high temperature extruding spinning, cooling, winding, hot-stretch, and wherein high temperature extruding spinning temperature is 180 DEG C, hot-stretch temperature is 135 DEG C, prepares the blended fiber of stretch-proof.
The fracture strength of the blended fiber of embodiment 4 is 12.3cN/tex.

Claims (7)

1. a preparation method for the blended fiber of stretch-proof, is characterized in that, preparation method's step of the blended fiber of described stretch-proof is as follows:
(1) get that polyamide is 25-35 part, polybutene is 12-23 part, hydroxypropyl cellulose is 7-12 part, linen fibre is 6-13 part, mentioned component is added carry out in blender blended;
(2) after blended, the compound of melting is carried out twin-screw extruder process, after twin-screw extruder, again compound is carried out pelletizing process;
(3) master batch is carried out melt spinning, technique is obtain blended fiber after high temperature extruding spinning, cooling, winding, hot-stretch, prepares the blended fiber of stretch-proof.
2. the preparation method of the blended fiber of a kind of stretch-proof according to claim 1, is characterized in that, preparation method's step of the blended fiber of described stretch-proof is as follows:
(1) get that polyamide is 25-35 part, polybutene is 12-23 part, hydroxypropyl cellulose is 7-12 part, linen fibre is 6-13 part, added by mentioned component in blender, temperature is adjusted to 75-90 DEG C, the blended time is 40min-60min;
(2) after blended, the compound of melting is carried out twin-screw extruder process, twin-screw extruder process one district temperature is 150-165 DEG C, and two district's temperature are 172-182 DEG C, and three district's temperature are 194-206 DEG C, four district's temperature are 210-220 DEG C, again compound are carried out pelletizing process after twin-screw extruder;
(3) master batch is carried out melt spinning, technique is obtain blended fiber after high temperature extruding spinning, cooling, winding, hot-stretch, wherein high temperature extruding spinning temperature is 175-185 DEG C, hot-stretch temperature is 125-140 DEG C, prepares the blended fiber of stretch-proof.
3. the preparation method of the blended fiber of a kind of stretch-proof according to claim 2, is characterized in that, in the preparation method of the blended fiber of described stretch-proof, polyamide is 29 parts.
4. the preparation method of the blended fiber of a kind of stretch-proof according to claim 2, is characterized in that, in the preparation method of the blended fiber of described stretch-proof, polybutene is 18 parts.
5. the preparation method of the blended fiber of a kind of stretch-proof according to claim 2, is characterized in that, in the preparation method of the blended fiber of described stretch-proof, hydroxypropyl cellulose is 10 parts.
6. the preparation method of the blended fiber of a kind of stretch-proof according to claim 2, is characterized in that, in the preparation method of the blended fiber of described stretch-proof, linen fibre is 9 parts.
7. the preparation method of the blended fiber of a kind of stretch-proof according to claim 2, is characterized in that, in the preparation method of the blended fiber of described stretch-proof, high temperature extruding spinning temperature is 180 DEG C, hot-stretch temperature is 135 DEG C.
CN201410557623.9A 2014-10-20 2014-10-20 A kind of preparation method of blended fiber of stretch-proof Active CN104294403B (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105463598A (en) * 2015-11-16 2016-04-06 四川大学 Graphite-enhanced ultrafine synthetic leather fiber
CN105671673A (en) * 2016-03-02 2016-06-15 张家港市安顺科技发展有限公司 Production method of far infrared negative-ion composite chinlon short fibers
CN109403052A (en) * 2018-09-06 2019-03-01 福建隆上超纤有限公司 A kind of preparation method of stretch-proof artificial leather

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JP2003013327A (en) * 2001-07-02 2003-01-15 Toray Ind Inc High density conjugated fiber for fishing net and fishing net composed of the same
CN101381904A (en) * 2008-09-04 2009-03-11 东华大学 Method for producing absorbent quality blended fibre
CN101864609A (en) * 2010-06-08 2010-10-20 东华大学 Thermoplastic polymer micro-nanometer fiber and preparation method thereof
CN103147157A (en) * 2013-03-19 2013-06-12 中国水产科学研究院东海水产研究所 Preparation method of fishery polyamide wear-resistant monofilament
CN103572403A (en) * 2012-08-07 2014-02-12 香港理工大学 Composite fibers of polypeptide and chemical fibers and preparation method of composite fibers

Patent Citations (5)

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Publication number Priority date Publication date Assignee Title
JP2003013327A (en) * 2001-07-02 2003-01-15 Toray Ind Inc High density conjugated fiber for fishing net and fishing net composed of the same
CN101381904A (en) * 2008-09-04 2009-03-11 东华大学 Method for producing absorbent quality blended fibre
CN101864609A (en) * 2010-06-08 2010-10-20 东华大学 Thermoplastic polymer micro-nanometer fiber and preparation method thereof
CN103572403A (en) * 2012-08-07 2014-02-12 香港理工大学 Composite fibers of polypeptide and chemical fibers and preparation method of composite fibers
CN103147157A (en) * 2013-03-19 2013-06-12 中国水产科学研究院东海水产研究所 Preparation method of fishery polyamide wear-resistant monofilament

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105463598A (en) * 2015-11-16 2016-04-06 四川大学 Graphite-enhanced ultrafine synthetic leather fiber
CN105463598B (en) * 2015-11-16 2019-01-29 四川大学 A kind of Super-fine Synthetic Leather fiber of graphene enhancing
CN105671673A (en) * 2016-03-02 2016-06-15 张家港市安顺科技发展有限公司 Production method of far infrared negative-ion composite chinlon short fibers
CN109403052A (en) * 2018-09-06 2019-03-01 福建隆上超纤有限公司 A kind of preparation method of stretch-proof artificial leather

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