CN102345178A - Preparation method of nano silver oxide modified polyester fiber - Google Patents
Preparation method of nano silver oxide modified polyester fiber Download PDFInfo
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- CN102345178A CN102345178A CN 201110166057 CN201110166057A CN102345178A CN 102345178 A CN102345178 A CN 102345178A CN 201110166057 CN201110166057 CN 201110166057 CN 201110166057 A CN201110166057 A CN 201110166057A CN 102345178 A CN102345178 A CN 102345178A
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Abstract
The invention relates to a preparation method of nano silver oxide modified polyester fiber, which comprises a process of preparing nano silver oxide modified terelyene slices and a process of blending FDY for spinning. The method of the invention can be finished on the routine spinning equipment, the tow has the characteristics of dry and uniform strips, uniform color distribution, flat fabric, luster and softness, and can be widely used in 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 phase ag_2 o modified polyester 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 more and more higher 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 516.5 ten thousand tons of 2,700 ten thousand tons of developing into for the year ends 2010 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 phase ag_2 o modified polyester 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; Add nano phase ag_2 o in the making beating still; Nano cupric oxide; TITANIUM DIOXIDE DELUSTRANT; Wherein the mol ratio of the addition of nano phase ag_2 o and terephthalic acid (TPA) is 2.6-4.9%; The addition of nano cupric oxide and the mol ratio of terephthalic acid (TPA) are 0.76-1.25%, 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 0.64-0.67; Carboxylate is pumped into polycondensation workshop section; Under temperature 278-285 ℃ condition, make the modified poly ester melt through precondensation and final minification polymerizing technology again; Wherein said stabilizing agent is a triethyl 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 → second godet → winding process through screw extruder → static mixing → metering → filament spinning component → blowing in the ratio blend of mass ratio 12-23:77-88; The temperature of wherein controlling the melt Conveying pipeline is 273-278 ℃; Spinning body temperature is 292-295 ℃; Cross air blasting wind speed 0.35-0.75 meter per second; The first godet speed 900-1300m/min; Temperature 70-95 ℃; The second hot-rolling speed 3200-4200m/min, temperature 95-120 ℃.
Wherein, the average grain diameter of described nano phase ag_2 o is 20 nm-100 nm.
Wherein, the average grain diameter of described nano cupric oxide is 20 nm-100 nm.
Wherein, the modified dacron section is pressed mass ratio 15-20:80-85 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 the fiber that adopts method of the present invention to prepare has good bactericidal property, and antibacterial efficient is more than 85%.
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 phase ag_2 o, nano cupric oxide, TITANIUM DIOXIDE DELUSTRANT in the making beating still; Wherein the mol ratio of the addition of nano phase ag_2 o and terephthalic acid (TPA) is 3.6 %; The addition of nano cupric oxide and the mol ratio of terephthalic acid (TPA) are 0.88 %, and the addition of TITANIUM DIOXIDE DELUSTRANT and the mol ratio of phthalic acid are 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 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 triethyl phosphate, and the mol ratio of its addition and terephthalic acid (TPA) is 0.38%; 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 15:85; The temperature of wherein controlling the melt Conveying pipeline is 275 ℃; Spinning body temperature is 295 ℃; Lateral blowing wind speed 0.55 meter per second; The first godet roller speed, 1000 m/min; 85 ℃ of temperature, the second hot-rolling speed, 3500 m/min, 105 ℃ of temperature.
Esterification of table 1 modified poly ester and polycondensation reaction condition
| Condition | Esterification I | Esterification II | Precondensation | Final minification gathers |
| Reaction temperature/℃ | 268 | 272 | 278 | 285 |
| Reaction pressure | 0.43 MPa | 0.32 MPa | 7.9 KPa | 92 Pa |
Claims (5)
1. the preparation method of a nano phase ag_2 o modified polyester 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; Add nano phase ag_2 o in the making beating still; Nano cupric oxide; TITANIUM DIOXIDE DELUSTRANT; Wherein the mol ratio of the addition of nano phase ag_2 o and terephthalic acid (TPA) is 2.6-4.9%; The addition of nano cupric oxide and the mol ratio of terephthalic acid (TPA) are 0.76-1.25%, 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 0.64-0.67; Carboxylate is pumped into polycondensation workshop section; Under temperature 278-285 ℃ condition, make the modified poly ester melt through precondensation and final minification polymerizing technology again; Wherein said stabilizing agent is a triethyl 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 → second godet → winding process through screw extruder → static mixing → metering → filament spinning component → blowing in the ratio blend of mass ratio 12-23:77-88; The temperature of wherein controlling the melt Conveying pipeline is 273-278 ℃; Spinning body temperature is 292-295 ℃; Cross air blasting wind speed 0.35-0.75 meter per second; The first godet speed 900-1300m/min; Temperature 70-95 ℃; The second hot-rolling speed 3200-4200m/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 15-20:80-85.
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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| CN 201110166057 CN102345178A (en) | 2011-06-21 | 2011-06-21 | Preparation method of nano silver oxide modified polyester fiber |
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| CN 201110166057 CN102345178A (en) | 2011-06-21 | 2011-06-21 | Preparation method of nano silver oxide modified polyester fiber |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104212132A (en) * | 2014-09-12 | 2014-12-17 | 北京和时利科技有限公司 | Silver-containing polyester pellet, and synthesis method and application thereof |
| CN105350107A (en) * | 2015-10-22 | 2016-02-24 | 上海纳米技术及应用国家工程研究中心有限公司 | Preparation method of light-colored PET polyester conductive fiber based on conductive zinc oxide |
| CN107938100A (en) * | 2017-11-07 | 2018-04-20 | 海盐县硕创服装研究所 | A kind of processing technology of the soft anti-denim that fades |
| CN110528292A (en) * | 2019-08-02 | 2019-12-03 | 南通大学 | A kind of self-cleaning non-woven wallpaper of fire-retardant fungus and mildew resistance and its preparation process |
| CN113265717A (en) * | 2021-05-27 | 2021-08-17 | 浙江理工大学桐乡研究院有限公司 | Method for manufacturing antibacterial polyester fiber |
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| CN101671862A (en) * | 2009-09-17 | 2010-03-17 | 吴江鹰翔万信化纤有限公司 | Anti-ultraviolet radiation degradable fiber |
| CN101701364A (en) * | 2009-09-14 | 2010-05-05 | 吴江鹰翔万信化纤有限公司 | Nanometer pearl poly terephthalate 1, 2-trimethylene glycol ester polyester fiber |
| CN101787583A (en) * | 2010-03-13 | 2010-07-28 | 浙江理工大学 | Method for preparing continuous polymerization directly-spun high-shrinkage polyester filaments |
| JP2010526941A (en) * | 2007-04-11 | 2010-08-05 | ナショナル ユニヴァーシティー オブ シンガポール | Fibers for decontamination of chemical and biological materials |
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Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN1451673A (en) * | 2002-04-15 | 2003-10-29 | 上海金樱环保科技有限公司 | Chemical fibre grade polyester resin with health function and making method thereof |
| JP2010526941A (en) * | 2007-04-11 | 2010-08-05 | ナショナル ユニヴァーシティー オブ シンガポール | Fibers for decontamination of chemical and biological materials |
| CN101701364A (en) * | 2009-09-14 | 2010-05-05 | 吴江鹰翔万信化纤有限公司 | Nanometer pearl poly terephthalate 1, 2-trimethylene glycol ester polyester fiber |
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| CN101787583A (en) * | 2010-03-13 | 2010-07-28 | 浙江理工大学 | Method for preparing continuous polymerization directly-spun high-shrinkage polyester filaments |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104212132A (en) * | 2014-09-12 | 2014-12-17 | 北京和时利科技有限公司 | Silver-containing polyester pellet, and synthesis method and application thereof |
| CN104212132B (en) * | 2014-09-12 | 2017-05-03 | 北京和时利科技有限公司 | Silver-containing polyester pellet, and synthesis method and application thereof |
| CN105350107A (en) * | 2015-10-22 | 2016-02-24 | 上海纳米技术及应用国家工程研究中心有限公司 | Preparation method of light-colored PET polyester conductive fiber based on conductive zinc oxide |
| CN107938100A (en) * | 2017-11-07 | 2018-04-20 | 海盐县硕创服装研究所 | A kind of processing technology of the soft anti-denim that fades |
| CN110528292A (en) * | 2019-08-02 | 2019-12-03 | 南通大学 | A kind of self-cleaning non-woven wallpaper of fire-retardant fungus and mildew resistance and its preparation process |
| CN110528292B (en) * | 2019-08-02 | 2022-03-22 | 江苏金三发卫生材料科技有限公司 | Flame-retardant, bactericidal, mildewproof and self-cleaning nonwoven wallpaper and preparation process thereof |
| CN113265717A (en) * | 2021-05-27 | 2021-08-17 | 浙江理工大学桐乡研究院有限公司 | Method for manufacturing antibacterial polyester fiber |
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Application publication date: 20120208 |