CN102330181A - Nanometer zinc oxide modified terylene low-elasticity network yarn - Google Patents
Nanometer zinc oxide modified terylene low-elasticity network yarn Download PDFInfo
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- CN102330181A CN102330181A CN201110164097A CN201110164097A CN102330181A CN 102330181 A CN102330181 A CN 102330181A CN 201110164097 A CN201110164097 A CN 201110164097A CN 201110164097 A CN201110164097 A CN 201110164097A CN 102330181 A CN102330181 A CN 102330181A
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Abstract
The invention relates to a method for preparing nanometer zinc oxide modified terylene low-elasticity network yarns, which comprises a polycondensation modified polyester melt preparation step and a polyester ortl yarn (POY)-draw textured yarn (DTY) circular air blowing cooling process, wherein in the polycondensation modified polyester melt preparation process, the terephthalic acid (PTA) and ethylene glycol (EG) monomers are used as raw materials, in addition, nanometer zinc oxide modifier is added for preparation to obtain the modified copolyester melt, the modified copolyester melt is directly carried out melt conveying to prepare the modified terylene low-elasticity network yarn through the POY-DTY circular air blowing cooling process. The fiber prepared by the method disclosed by the invention has a good ultraviolet ray prevention function, the reflecting capacity on ultraviolet rays is as high as 50 percent to 60 percent, in addition, the prepared fiber has stable shrinkage rate, the dyeing is uniform, and the spinning performance is excellent.
Description
Technical field
The present invention relates to a kind of synthetic fiber, particularly, the present invention relates to a kind of modified dacron low elastic interlaced yarn.
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.
It is generally acknowledged; As long as can directly carry out the precursor of stretcher strain processing; And do not have big influence to the character of precursor standing time before the processing; And in process the repiece difficulty can not appear, can not cause the finished silk lousiness, intensity is on the low side, the uneven undrawn yarn that dyes, and all can be referred to as low elastic interlaced yarn or partially oriented yarn (POY).POY technology has following characteristics:
(1) spinning is high around volume speed, and the sub-hardness of winding reel is high, weight is big, be convenient to transportation;
(2) spinning process is stable, suitable DTY processing, and the low elastic interlaced yarn shelf stability is good.
The DTY silk is the abbreviation of English Draw Textured Yarn, textured filament by name.The method of deformation processing has much at present, develops also very fast.Wherein main processing method has: false twisting method, air-texturing method and false twisting+air-texturing method.Wherein false twisting method is the main deformation method of terylene long fiber processing, and the terylene distortion has 90% to obtain through false twisting method processing and preparing.The DTY silk has following characteristics: bulkiness is high, and identical weight has bigger volume; Heat resistance is good; Hygroscopicity is higher and faster; Good air permeability; Better gloss and outward appearance are arranged
The present inventor is devoted to the characteristics of nano material aspect the function specificity were incorporated in synthesizing of polyster fibre, and combines POY-DTY production 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 zinc oxide modified terylene low elastic interlaced yarn comprises that the preparation process of polycondensation modified poly ester melt and POY-DTY encircle the blowing process for cooling; In the preparation technology of polycondensation modified poly ester melt, adopting terephthalic acid (TPA) (PTA), ethylene glycol (EG) monomer is raw material; And be added with nano zinc oxide modified dose and prepare the modified copolyester melt; Above-mentioned polyester fondant makes the modified dacron low elastic interlaced yarn directly through melt Conveying through POY-DTY ring blowing process for cooling; The preparation technology who it is characterized in that described modified copolyester melt 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 zine oxide, nano cupric oxide, TITANIUM DIOXIDE DELUSTRANT in the making beating still, and wherein the mol ratio of the addition of nano zine oxide and terephthalic acid (TPA) is 1.25-2.75%; The addition of nano cupric oxide and the mol ratio of terephthalic acid (TPA) are 0.25-0.75%, and the addition of TITANIUM DIOXIDE DELUSTRANT and the mol ratio of phthalic acid are 0.20-0.35%;
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 97.5%-99.5%, the viscosity of melt is controlled to be 0.64-0.66; Carboxylate is pumped into polycondensation workshop section, under temperature 275-281 ℃ 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 0.28-0.42%.
Wherein, the average grain diameter of described nano zine oxide is 20 nm-100 nm.
Wherein, the average grain diameter of described nano cupric oxide is 20 nm-100 nm.
Wherein, described titanium dioxide is the rutile phase.Its average grain diameter is 100 nm-300 nm.
Wherein, the preparation were established of POY is: polyester fondant → melt Conveying → spinning manifold → measuring pump → assembly → ring blowing cooling → boundling oils → path → coiling; Main technological parameter is: spin manifold temperature 283-287 ℃, pipe temperature 278-281 ℃, ring blow pressure 550-750 Pa, temperature 25-30 ℃, the rate of oiling are 0.49-0.65%;
Wherein, the DTY production process route is: the original silk rack → fracture of wire device → hot case → coldplate of first roller → first → false twister → second roller → Network device → auxiliary roller → second hot case → the 3rd roller → oiling device → fracture of wire monitor → coiling; Main technological parameter is: first heater temperature is 170 ℃, and second heater temperature is 153 ℃, and draw ratio is 1.407, the rate that oils 2.15-2.85%.
Wherein, the modified dacron low elastic interlaced yarn for preparing is half delustring.
Wherein, the spinneret orifice of filament spinning component is special-shaped spinneret orifice, and the low elastic interlaced yarn for preparing is the trifoil cross-section.
The invention has the beneficial effects as follows, a kind of technology of continuous modification dacron polyester melt low elastic interlaced yarn is provided.The fiber for preparing has good anti-ultraviolet function, to ultraviolet albedo up to 50%-60%. And the filament contraction rate for preparing is stable, even dyeing, and spinning properties is excellent.
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 zinc oxide modified polyester:
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 zine oxide, nano cupric oxide, TITANIUM DIOXIDE DELUSTRANT in the making beating still, wherein the mol ratio of the addition of nano zine oxide and terephthalic acid (TPA) is 1.85%; The addition of nano cupric oxide and the mol ratio of terephthalic acid (TPA) are 0.35%, and the addition of TITANIUM DIOXIDE DELUSTRANT and the mol ratio of phthalic acid are 0.35%;
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 98.5%, the viscosity of melt is controlled to be 0.65; Carboxylate is pumped into polycondensation workshop section, under temperature 275-281 ℃ 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 0.28-0.42%.Wherein, concrete esterification and polycondensation reaction condition are as shown in table 1.
Esterification of table 1 modified poly ester and polycondensation reaction condition
| Condition | Esterification I | Esterification II | Precondensation | Final minification gathers |
| Reaction temperature/℃ | 262 | 266 | 275 | 281 |
| Reaction pressure | 0.46 MPa | 0.38 MPa | 8.8 KPa | 92 Pa |
| The time of staying/min | 100 | 100 | 120 | 180 |
The preparation were established of POY is: polyester fondant → melt Conveying → spinning manifold → measuring pump → assembly → ring blowing cooling → boundling oils → path → coiling; Technological parameter is: 285 ℃ of spin manifold temperatures, 280 ℃ of pipe temperatures, ring blow pressure 675Pa, 25 ℃ of temperature, the rate of oiling are 0.58%;
The DTY production process route is: the original silk rack → fracture of wire device → hot case → coldplate of first roller → first → false twister → second roller → Network device → auxiliary roller → second hot case → the 3rd roller → oiling device → fracture of wire monitor → coiling; Main technological parameter is: first heater temperature is 170 ℃, and second heater temperature is 153 ℃, and draw ratio is 1.407, and rate 2.55% oils.
Claims (5)
1. the preparation method of a nano zinc oxide modified terylene low elastic interlaced yarn comprises that the preparation process of polycondensation modified poly ester melt and POY-DTY encircle the blowing process for cooling; In the preparation technology of polycondensation modified poly ester melt, adopting terephthalic acid (TPA) (PTA), ethylene glycol (EG) monomer is raw material; And be added with nano zinc oxide modified dose and prepare the modified copolyester melt; Above-mentioned polyester fondant makes the modified dacron low elastic interlaced yarn directly through melt Conveying through POY-DTY ring blowing process for cooling; The preparation technology who it is characterized in that described modified copolyester melt 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 zine oxide, nano cupric oxide, TITANIUM DIOXIDE DELUSTRANT in the making beating still, and wherein the mol ratio of the addition of nano zine oxide and terephthalic acid (TPA) is 1.25-2.75%; The addition of nano cupric oxide and the mol ratio of terephthalic acid (TPA) are 0.25-0.75%, and the addition of TITANIUM DIOXIDE DELUSTRANT and the mol ratio of phthalic acid are 0.20-0.35%;
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 97.5%-99.5%, the viscosity of melt is controlled to be 0.64-0.66; Carboxylate is pumped into polycondensation workshop section, under temperature 275-281 ℃ 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 0.28-0.42%.
2. the described preparation method of claim 1 is characterized in that the preparation were established of POY is: polyester fondant → melt Conveying → spinning manifold → measuring pump → assembly → ring blowing cooling → boundling oils → path → coiling; Main technological parameter is: spin manifold temperature 283-287 ℃, pipe temperature 278-281 ℃, ring blow pressure 550-750 Pa, temperature 25-30 ℃, the rate of oiling are 0.49-0.65%.
3. the described preparation method of claim 1 is characterized in that the DTY production process route is: the original silk rack → fracture of wire device → hot case → coldplate of first roller → first → false twister → second roller → Network device → auxiliary roller → second hot case → the 3rd roller → oiling device → fracture of wire monitor → coiling; Main technological parameter is: first heater temperature is 170 ℃, and second heater temperature is 153 ℃, and draw ratio is 1.407, the rate that oils 2.15-2.85%.
4. the described preparation method of claim 1 is characterized in that the modified dacron low elastic interlaced yarn for preparing is half delustring.
5. the described preparation method of claim 1 is characterized in that the low elastic interlaced yarn for preparing is the trifoil cross-section.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201110164097A CN102330181A (en) | 2011-06-18 | 2011-06-18 | Nanometer zinc oxide modified terylene low-elasticity network yarn |
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| CN201110164097A CN102330181A (en) | 2011-06-18 | 2011-06-18 | Nanometer zinc oxide modified terylene low-elasticity network yarn |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111118699A (en) * | 2019-12-29 | 2020-05-08 | 江苏恒力化纤股份有限公司 | Preparation method of denim fabric |
| CN113638110A (en) * | 2021-09-16 | 2021-11-12 | 福州市晟浩纺织科技有限公司 | Manufacturing method of quick-drying polyester fabric |
| CN115012059A (en) * | 2022-07-13 | 2022-09-06 | 福建烯石新材料科技有限公司 | Anti-deformation antibacterial fiber and preparation method thereof |
| CN115637504A (en) * | 2021-07-20 | 2023-01-24 | 中国石油天然气股份有限公司 | Antibacterial DTY fiber and method for continuously producing antibacterial DTY fiber |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101440530A (en) * | 2008-12-31 | 2009-05-27 | 邹祖林 | Low stretch network fibre with cross special cross-section |
| 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 |
| 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 |
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2011
- 2011-06-18 CN CN201110164097A patent/CN102330181A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101440530A (en) * | 2008-12-31 | 2009-05-27 | 邹祖林 | Low stretch network fibre with cross special cross-section |
| 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 |
| 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 (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111118699A (en) * | 2019-12-29 | 2020-05-08 | 江苏恒力化纤股份有限公司 | Preparation method of denim fabric |
| CN111118699B (en) * | 2019-12-29 | 2021-06-25 | 江苏恒力化纤股份有限公司 | Preparation method of denim fabric |
| CN115637504A (en) * | 2021-07-20 | 2023-01-24 | 中国石油天然气股份有限公司 | Antibacterial DTY fiber and method for continuously producing antibacterial DTY fiber |
| CN113638110A (en) * | 2021-09-16 | 2021-11-12 | 福州市晟浩纺织科技有限公司 | Manufacturing method of quick-drying polyester fabric |
| CN115012059A (en) * | 2022-07-13 | 2022-09-06 | 福建烯石新材料科技有限公司 | Anti-deformation antibacterial fiber and preparation method thereof |
| CN115012059B (en) * | 2022-07-13 | 2023-09-12 | 福建烯石新材料科技有限公司 | Anti-deformation antibacterial fiber and preparation method thereof |
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Application publication date: 20120125 |