CN102330188A - Method for preparing nano silicon dioxide modified polyester fibers - Google Patents
Method for preparing nano silicon dioxide modified polyester fibers Download PDFInfo
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- CN102330188A CN102330188A CN201110166025A CN201110166025A CN102330188A CN 102330188 A CN102330188 A CN 102330188A CN 201110166025 A CN201110166025 A CN 201110166025A CN 201110166025 A CN201110166025 A CN 201110166025A CN 102330188 A CN102330188 A CN 102330188A
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Abstract
The invention relates to a method for preparing nano silicon dioxide modified polyester fibers, which comprises the steps of preparing a nano silicon dioxide modified polyester slices and spinning by a blending FDY (Fully Drawn Yarn) technology. The method disclosed by the invention can be completed on conventional spinning equipment. Tows have good evenness. Glossy distribution is uniform. A textile fabric is smooth and flat. The nano silicon dioxide modified polyester fibers have the characteristic of soft gloss, can be widely applied to the clothing field, the decoration field and the industry field.
Description
Technical field
The present invention relates to a kind of preparation method of synthetic fiber, particularly, the present invention relates to a kind of preparation method of nano-silicon dioxide modified polyster fibre.
Background technology
Terylene is as one of the big main force of three in synthetic fiber fiber, because of its good physics and chemical characteristic are widely used in garment material and other non-garment industry.Dacron product since coming out, also once with its drapability is good, intensity is high, well-pressed and be used as main textile raw material by downstream user and weave all kinds of textiless.Along with economic globalization, the market internationalization, people are also increasingly high to the requirement of clothes; Not only to have comfortableness; Also will have functionally, lining just develops to light, gentle, functional direction, and composite fibre materials just need improve constantly performance and satisfy requirements of weaving process.
Over past ten years, the development of China polyester industrial rapidly, polyester fiber output is 2,700 ten thousand tons of developing into for the year ends 2010 of 516.5 ten thousand tons at the beginning of 2000, average annual growth rate surpasses 25%, has accounted for 66% of global polyester output.Terylene has become the maximum synthetic fiber kind of output in the chemical fibre, is widely used in clothing, decoration, household textiles, fabrics for industrial use and national economy various aspects such as national defence, Industrial Engineering.5 years from now on, also will keep increasing fast.But as textile material, polyester fiber also has significant disadvantages.Therefore, the processing method of selection science, efficient, high-quality, energy-saving and environmental protection is to adapting to and promoting that the high speed sustainable development of polyester industrial, polyster fibre is most important.
Though in synthetic fiber, polyester fiber has the multiple performance of suitable textile applications and application in industry, thereby it has obtained amazing development since large-scale production.But along with the development of World Science development of technology and world industry, polyester fiber can not satisfy people's requirement fully on performance and function.The result of development and innovation makes people develop large quantities of differential, functionalization and high performance synthetic fiber.
The developing direction of PET industry has been represented in the development and application of present differential polyester fiber new varieties.The technology of differential polyester product exploitation roughly can reduce the following aspects:
(1) spining technology of compound spinning superfine fibre and spin pack design;
(2) the compound spining technology that spins bi-component functional fiber or fibre in differentiation;
(3) fused mass directly spinning prepares the complete set technology of thin dawn, micro denier polyester fiber;
(4) spining technology of various cross section Design of spinneret and profiled filament;
The spining technology of (5) three different fibers and mix fine Design of spinneret with plate;
(6) different contraction mixed fiber yarn Combined Machining Technology;
(7) polymer modification prepares the preparation of functional polyester and fiber thereof;
(8) polymer modification prepares the Application and Development of intelligent fiber and intelligent lining;
(9) the nano-powder in-situ polymerization prepares functional polyester and fiber thereof;
(10) preparation of multiple organic or inorganic nano particle and dispersion technology;
(11) preparation and the spining technology of organic or inorganic nano particle/polymer-matrix composite polyester material;
(12) natural fabric and synthetic fiber, chemical-fibres filaments and short fiber multidimensional combination technology.
Because " small-size effect ", " interfacial effect ", " quantum size effect " and " macro quanta tunnel effect " that nano material had make nano material show the specificity different with common material at aspects such as structure, photoelectricity, magnetic and chemical property.
The present inventor is devoted to the characteristics of nano material aspect the function specificity were incorporated in synthesizing of polyster fibre, and combines slice spinning technology of the prior art to accomplish the present invention.
Summary of the invention
The objective of the invention is to continually develop functional polyester fiber in order to satisfy many-sided needs of people to weaving face fabric, we carry out modification through nano modifier to traditional polyester fiber.
To achieve these goals, the invention provides following technical scheme:
A kind of preparation method of nano-silicon dioxide modified polyster fibre comprises the preparation and the spinning of blend FDY technology of modified dacron section; The preparation technology who it is characterized in that described modified dacron section comprises the steps:
At first; On continuous polycondensation equipment; Adopt terephthalic acid (TPA) (PTA), ethylene glycol (EG) monomer; Mol ratio 1 according to PTA and EG: 1.20-1: 1.30 ratio is measured continuously and stably separately and is joined in the slurry still and pulls an oar, and adds nano silicon, nano zirconium dioxide, TITANIUM DIOXIDE DELUSTRANT in the making beating still, and wherein the mol ratio of the addition of nano silicon and terephthalic acid (TPA) is 4.8-6.5%; The addition of nano zirconium dioxide and the mol ratio of terephthalic acid (TPA) are 1.2-1.8%, and the addition of TITANIUM DIOXIDE DELUSTRANT and the mol ratio of phthalic acid are 1.2-2.5%;
Then, above-mentioned slurry continous-stable is delivered in esterification-I, the esterification-II agitated reactor, adds stabilizing agent in esterification-II agitated reactor simultaneously continuously, control esterification yield 94.5%-99.0%, the viscosity of melt is controlled to be 0.65-0.68; Carboxylate is pumped into polycondensation workshop section, under temperature 278-285 ℃ condition, makes the modified poly ester melt through precondensation and final minification polymerizing technology again, wherein said stabilizing agent is a trimethyl phosphate, and the mol ratio of its addition and terephthalic acid (TPA) is 0.25-0.42%; The modified poly ester melt is obtained the nano modification terylene chips through Cast Strip, pelletizing and drying.
Wherein, Blend FDY spinning comprises the steps: above-mentioned nano modification terylene chips and terylene chips are cooled off → oil → path → first godet roller → second godet roller → winding process through screw extruder → static mixing → metering → filament spinning component → blowing in the ratio blend of mass ratio 15-30:70-85; The temperature of wherein controlling the melt Conveying pipeline is 275-281 ℃, and spinning body temperature is 288-295 ℃, lateral blowing wind speed 0.35-0.75 meter per second; The first godet roller speed 900-1300 m/min; Temperature 78-95 ℃, the second hot-rolling speed 3000-4200 m/min, temperature 95-120 ℃.
Wherein, the average grain diameter of described nano silicon is 20 nm-100 nm.
Wherein, the average grain diameter of described nano zirconium dioxide is 20 nm-100 nm.
Wherein, the modified dacron section is pressed mass ratio 15-25:75-85 with terylene chips.
Wherein, described terylene chips is that routine has much light terylene chips, half delustring terylene chips or full-dull terylene chips.
Wherein, the fibre section for preparing of spinnerets through the adjustment filament spinning component is circle, trilobal, triangle, cross, king's font, hollow shape or five leaf.
The invention has the beneficial effects as follows that the present invention through reducing the fluctuation of various parameters in the spinning process, has suppressed the destabilizing factor in the nano modification polyster fibre production process adopting stable technology to make.The inventive method can be accomplished on conventional spinning equipment, and tow strip is done evenly, and color and luster is evenly distributed, and fabric is smooth, has the soft characteristics of gloss, can be widely used in the field of taking, decoration field and industrial field; And adopt the modified dacron FDY fiber ABRASION RESISTANCE of the present invention's preparation good, ultraviolet ray is also had albedo preferably.
The specific embodiment
To combine concrete embodiment that technical scheme of the present invention is done further to explain and explanation below.
Embodiment 1
The preparation technology of nano modification section:
At first; On continuous polycondensation equipment; Adopt terephthalic acid (TPA) (PTA), ethylene glycol (EG) monomer; Measure continuously and stably separately and join in the slurry still according to 1: 1.25 the ratio of mol ratio of PTA and EG and pull an oar, add nano silicon, nano zirconium dioxide, TITANIUM DIOXIDE DELUSTRANT in the making beating still, wherein the mol ratio of the addition of nano silicon and terephthalic acid (TPA) is 5.8%; The addition of nano zirconium dioxide and the mol ratio of terephthalic acid (TPA) are 1.5%, and the addition of TITANIUM DIOXIDE DELUSTRANT and the mol ratio of phthalic acid are 1.5%;
Then, above-mentioned slurry continous-stable is delivered in esterification-I, the esterification-II agitated reactor, adds stabilizing agent in esterification-II agitated reactor simultaneously continuously, control esterification yield 98.0%, the viscosity of melt is controlled to be 0.66; Carboxylate is pumped into polycondensation workshop section, under temperature 278-285 ℃ condition, makes the modified poly ester melt through precondensation and final minification polymerizing technology again, wherein said stabilizing agent is a trimethyl phosphate, and the mol ratio of its addition and terephthalic acid (TPA) is 0.35%; The modified poly ester melt is obtained the nano modification terylene chips through Cast Strip, pelletizing and drying.Wherein, concrete esterification and polycondensation reaction condition are as shown in table 1.
Blend FDY spinning step:
Above-mentioned nano modification terylene chips and terylene chips are cooled off → oil → path → first godet roller → second godet roller → winding process through screw extruder → static mixing → metering → filament spinning component → blowing in the ratio blend of mass ratio 20:80; The temperature of wherein controlling the melt Conveying pipeline is 278 ℃, and spinning body temperature is 293 ℃, lateral blowing wind speed 0.45 meter per second; The first godet roller speed, 1000 m/min; 85 ℃ of temperature, the second hot-rolling speed, 3500 m/min, 110 ℃ of temperature.
Esterification of table 1 modified poly ester and polycondensation reaction condition
| Condition | Esterification I | Esterification II | Precondensation | Final minification gathers |
| Reaction temperature/℃ | 269 | 272 | 278 | 285 |
| Reaction pressure | 0.43 MPa | 0.31 MPa | 7.9 KPa | 78 Pa |
Claims (5)
1. the preparation method of a nano-silicon dioxide modified polyster fibre comprises the preparation and the spinning of blend FDY technology of modified dacron section; The preparation technology who it is characterized in that described modified dacron section comprises the steps:
At first; On continuous polycondensation equipment; Adopt terephthalic acid (TPA) (PTA), ethylene glycol (EG) monomer; Mol ratio 1 according to PTA and EG: 1.20-1: 1.30 ratio is measured continuously and stably separately and is joined in the slurry still and pulls an oar, and adds nano silicon, nano zirconium dioxide, TITANIUM DIOXIDE DELUSTRANT in the making beating still, and wherein the mol ratio of the addition of nano silicon and terephthalic acid (TPA) is 4.8-6.5%; The addition of nano zirconium dioxide and the mol ratio of terephthalic acid (TPA) are 1.2-1.8%, and the addition of TITANIUM DIOXIDE DELUSTRANT and the mol ratio of phthalic acid are 1.2-2.5%;
Then, above-mentioned slurry continous-stable is delivered in esterification-I, the esterification-II agitated reactor, adds stabilizing agent in esterification-II agitated reactor simultaneously continuously, control esterification yield 94.5%-99.0%, the viscosity of melt is controlled to be 0.65-0.68; Carboxylate is pumped into polycondensation workshop section, under temperature 278-285 ℃ condition, makes the modified poly ester melt through precondensation and final minification polymerizing technology again, wherein said stabilizing agent is a trimethyl phosphate, and the mol ratio of its addition and terephthalic acid (TPA) is 0.25-0.42%; The modified poly ester melt is obtained the nano modification terylene chips through Cast Strip, pelletizing and drying.
2. the described preparation method of claim 1; It is characterized in that blend FDY spinning comprises the steps: above-mentioned nano modification terylene chips and terylene chips are cooled off → oil → path → first godet roller → second godet roller → winding process through screw extruder → static mixing → metering → filament spinning component → blowing in the ratio blend of mass ratio 15-30:70-85; The temperature of wherein controlling the melt Conveying pipeline is 275-281 ℃, and spinning body temperature is 288-295 ℃, lateral blowing wind speed 0.35-0.75 meter per second; The first godet roller speed 900-1300 m/min; Temperature 78-95 ℃, the second hot-rolling speed 3000-4200 m/min, temperature 95-120 ℃.
3. the described preparation method of claim 1 is characterized in that nano modification terylene chips and terylene chips are by mass ratio 15-25:75-85.
4. the described preparation method of claim 1 is characterized in that described terylene chips is that routine has much light terylene chips, half delustring terylene chips or full-dull terylene chips.
5. the described preparation method of claim 1 is characterized in that the fibre section is circle, trilobal, triangle, cross, hollow shape or five leaf.
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| CN201110166025A CN102330188A (en) | 2011-06-21 | 2011-06-21 | Method for preparing nano silicon dioxide modified polyester fibers |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102704143A (en) * | 2012-06-28 | 2012-10-03 | 南通龙韵科技发展有限公司 | Nanometer ZrO2 compound function fabric and manufacturing method and applications |
| CN103264511A (en) * | 2013-05-06 | 2013-08-28 | 金嘉铭 | Method for preparing enhanced belt for nano SiO2/PET enhanced RTP |
| CN103382584A (en) * | 2013-08-06 | 2013-11-06 | 上海婉静纺织科技有限公司 | Negative ion polyester fiber and preparing method thereof |
| CN104328528A (en) * | 2014-08-18 | 2015-02-04 | 福建省晋江市华宇织造有限公司 | High strength folding tolerant polyester filament and manufacturing method thereof |
| CN104328529A (en) * | 2014-08-18 | 2015-02-04 | 福建省晋江市华宇织造有限公司 | Flame resistant polyester filament and production method thereof |
| CN109505026A (en) * | 2018-12-27 | 2019-03-22 | 江苏恒力化纤股份有限公司 | Moisture absorption sweat-releasing terylene fiber and preparation method thereof |
| CN112981607A (en) * | 2019-12-02 | 2021-06-18 | 江苏鑫博高分子材料有限公司 | Full-dull high-elasticity polyester bicomponent fiber |
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Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102704143B (en) * | 2012-06-28 | 2013-12-04 | 南通龙韵科技发展有限公司 | Nanometer ZrO2 compound function fabric and manufacturing method and applications |
| CN102704143A (en) * | 2012-06-28 | 2012-10-03 | 南通龙韵科技发展有限公司 | Nanometer ZrO2 compound function fabric and manufacturing method and applications |
| CN103264511B (en) * | 2013-05-06 | 2015-08-19 | 金嘉铭 | Nanosized SiO_2/PET strengthens the preparation method of RTP reinforcing band |
| CN103264511A (en) * | 2013-05-06 | 2013-08-28 | 金嘉铭 | Method for preparing enhanced belt for nano SiO2/PET enhanced RTP |
| CN103382584A (en) * | 2013-08-06 | 2013-11-06 | 上海婉静纺织科技有限公司 | Negative ion polyester fiber and preparing method thereof |
| CN103382584B (en) * | 2013-08-06 | 2015-10-28 | 上海婉静纺织科技有限公司 | Anion terylene fiber and preparation method thereof |
| CN104328528A (en) * | 2014-08-18 | 2015-02-04 | 福建省晋江市华宇织造有限公司 | High strength folding tolerant polyester filament and manufacturing method thereof |
| CN104328529A (en) * | 2014-08-18 | 2015-02-04 | 福建省晋江市华宇织造有限公司 | Flame resistant polyester filament and production method thereof |
| CN104328528B (en) * | 2014-08-18 | 2016-01-20 | 福建省晋江市华宇织造有限公司 | A kind of polyester monofilament of high-strength folding and manufacture method thereof |
| CN104328529B (en) * | 2014-08-18 | 2016-01-20 | 福建省晋江市华宇织造有限公司 | A kind of flame-resistant terylene monofilament and production method thereof |
| CN109505026A (en) * | 2018-12-27 | 2019-03-22 | 江苏恒力化纤股份有限公司 | Moisture absorption sweat-releasing terylene fiber and preparation method thereof |
| CN109505026B (en) * | 2018-12-27 | 2020-10-16 | 江苏恒力化纤股份有限公司 | Moisture-absorbing sweat-releasing polyester fiber and preparation method thereof |
| CN112981607A (en) * | 2019-12-02 | 2021-06-18 | 江苏鑫博高分子材料有限公司 | Full-dull high-elasticity polyester bicomponent fiber |
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Application publication date: 20120125 |