CN102330173A - Nano calcium carbonate modified dacron pre-oriented yarn - Google Patents
Nano calcium carbonate modified dacron pre-oriented yarn Download PDFInfo
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- CN102330173A CN102330173A CN201110131272A CN201110131272A CN102330173A CN 102330173 A CN102330173 A CN 102330173A CN 201110131272 A CN201110131272 A CN 201110131272A CN 201110131272 A CN201110131272 A CN 201110131272A CN 102330173 A CN102330173 A CN 102330173A
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Abstract
The invention relates to a preparation method of a nano calcium carbonate modified dacron pre-oriented yarn, which comprises a preparation technology of poly-condensed modified polyester fondant and a preparation technology of direct-spinning dacron pre-oriented yarn (POY), wherein in the preparation technology of poly-condensed modified polyester fondant, a pure terephthalic acid (PTA) monomer and an ethylene glycol (EG) monomer serve as raw materials, and a nano calcium carbonate modifying agent is added to obtain the modified copolyester fondant; and the copolyester fondant is directly conveyed, metered, extruded by a spinning assembly, blown to cool, oiled, led to pass through a paved path and coiled to obtain the nano calcium carbonate modified dacron pre-oriented yarn. The fiber prepared with the method disclosed by the invention has pearly luster and has the efficacy on maintaining beauty, keeping young and whitening skin. The degree of crystallinity of the prepared POY yarn is 0.8-1.8%, and the elongation at break is 122-138%. The nano calcium carbonate modified dacron pre-oriented yarn has good machinability.
Description
Technical field
The present invention relates to a kind of synthetic fiber, particularly, the present invention relates to a kind of modified dacron pre-oriented 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 pre-oriented 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 pre-oriented yarn shelf stability is good.
The present inventor is devoted to the characteristics of nano material aspect the function specificity were incorporated in synthesizing of polyster fibre, and combines pre-oriented yarn 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 nono calcium carbonate modified terylene pre-oriented fiber comprises the preparation process of polycondensation modified poly ester melt and the preparation technology of direct spinning terylene pre-oriented fiber (POY); 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 nono calcium carbonate modified dose and prepare the modified copolyester melt; Above-mentioned polyester fondant is directly through melt Conveying, through metering, filament spinning component extrude, dry cooling, oil, path, coiling make nono calcium carbonate modified terylene pre-oriented fiber; The preparation technology who it is characterized in that described nono calcium carbonate modified copolyesters 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; Add nono calcium carbonate modified dose, TITANIUM DIOXIDE DELUSTRANT in the making beating still, wherein the mol ratio of the addition of nano-calcium carbonate and terephthalic acid (TPA) is 0.8-1.2%, and the addition of TITANIUM DIOXIDE DELUSTRANT and the mol ratio of phthalic acid are 0.15-0.20%;
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 0.65-0.69; Carboxylate is pumped into polycondensation workshop section, under temperature 265-267 ℃ condition, makes the modified copolyester melt by polycondensating process, wherein said stabilizing agent is a trimethyl phosphate, and the mol ratio of its addition and terephthalic acid (TPA) is 0.10-0.18%.
Wherein, the average grain diameter of described nano-calcium carbonate is 10nm-500nm.Preferred its average grain diameter is 50nm-150nm, and maximum particle diameter is no more than 500nm.
Wherein, described titanium dioxide is the rutile phase.Its average grain diameter is 100nm-300nm.
Wherein, The preparation technology of modified dacron pre-oriented yarn (POY) comprises the steps: above-mentioned modified copolyester melt, through melt Conveying pipeline equipment, is transported on the melt directly spinning filament production equipment; Through measuring pump, filament spinning component, blowing cool off, oil, path, winding process; The temperature of wherein controlling the melt Conveying pipeline is 266-268 ℃, and spinning body temperature is 289-291 ℃, lateral blowing wind speed 0.35-0.70 meter per second.
Wherein, the oil content of modified dacron pre-oriented yarn is 0.35-0.42%.
Wherein, the modified dacron pre-oriented yarn is half delustring.
Wherein, the aperture of spinnerets is at 0.15-0.35mm in the filament spinning component, and the draw ratio of spinneret orifice is greater than 2.0, and the modified poly ester melt of the present invention specification that is particularly suitable for being used for weaving is the POY silk of 30D/28F.
The invention has the beneficial effects as follows, a kind of technology of continuous modification dacron polyester melt pre-oriented yarn is provided.And in the modified dacron POY silk of the present invention, be added with the calcium carbonate of Nano grade, the fiber for preparing has pearly luster, and beautifying face and moistering lotion is arranged, tender white muscle skin effect; And the POY silk degree of crystallinity for preparing is between 0.8-1.8%; Elongation at break is 122-138%, has good processability.Structure integraty parameter is between 0.45-0.9, and boiling water shrinkage is between 35%-75%.
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 nono calcium carbonate 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 nono calcium carbonate modified dose, TITANIUM DIOXIDE DELUSTRANT in the making beating still; Wherein the mol ratio of the addition of nano-calcium carbonate and terephthalic acid (TPA) is 0.9%, and delustering agent is the titanium dioxide of rutile structure, and the mol ratio of its addition and phthalic acid is 0.20%;
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 99%, viscosity is controlled at 0.67; Carboxylate is pumped into polycondensation workshop section, presses polycondensating process 266 ℃ of temperature, make the modified poly ester melt under the condition of vacuum 10KPa, wherein said stabilizing agent is a trimethyl phosphate, and the mol ratio of its addition and terephthalic acid (TPA) is 0.16%.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 | Polycondensation |
| Reaction temperature/℃ | 262 | 263 | 266 |
| Reaction pressure | 0.42MPa | 0.36MPa | 10KPa |
| The time of staying/min | 100 | 85 | 75 |
The preparation technology of modified dacron pre-oriented yarn (POY):
With above-mentioned modified poly ester melt; Through melt Conveying pipeline equipment, be transported on the melt directly spinning filament production equipment, through measuring pump, filament spinning component, blowing cool off, oil, path, winding process; The temperature of wherein controlling the melt Conveying pipeline is 267 ℃; Spinning body temperature is 290 ℃, lateral blowing wind speed 0.25m/s, and the preparation specification is the POY silk of 30D/24F.The good permeability of fiber, stability is high, even dyeing, spinning properties is excellent, and gloss as the pearl is arranged.
Claims (5)
1. the preparation method of a nono calcium carbonate modified terylene pre-oriented fiber comprises the preparation process of polycondensation modified poly ester melt and the preparation technology of direct spinning terylene pre-oriented fiber (POY); 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 nono calcium carbonate modified dose and prepare the modified copolyester melt; Above-mentioned polyester fondant is directly through melt Conveying, through metering, filament spinning component extrude, dry cooling, oil, path, coiling make nono calcium carbonate modified terylene pre-oriented fiber; The preparation technology who it is characterized in that described nono calcium carbonate modified copolyesters melt comprises the steps:
At first; On continuous polycondensation equipment; Adopt terephthalic acid (TPA) (PTA), ethylene glycol (EG) monomer, according to the mol ratio 1 of 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, adding nono calcium carbonate modified dose, TITANIUM DIOXIDE DELUSTRANT in the making beating still; Wherein the mol ratio of the addition of nano-calcium carbonate and terephthalic acid (TPA) is 0.8-1.2%, and the addition of TITANIUM DIOXIDE DELUSTRANT and the mol ratio of phthalic acid are 0.15-0.20%;
Then, above-mentioned slurry continous-stable is delivered in esterification one 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 0.65-0.69; Carboxylate is pumped into polycondensation workshop section, under temperature 265-267 ℃ condition, makes the modified copolyester melt by polycondensating process, wherein said stabilizing agent is a trimethyl phosphate, and the mol ratio of its addition and terephthalic acid (TPA) is 0.10-0.18%.
2. the described preparation method of claim 1; The preparation technology who it is characterized in that modified dacron pre-oriented yarn (POY) comprises the steps: above-mentioned modified copolyester melt, through melt Conveying pipeline equipment, is transported on the melt directly spinning filament production equipment; Through measuring pump, filament spinning component, blowing cool off, oil, path, winding process; The temperature of wherein controlling the melt Conveying pipeline is 278-287 ℃, and spinning body temperature is 289-291 ℃, lateral blowing wind speed 0.35-0.70 meter per second.
3. the described preparation method of claim 2, the oil content that it is characterized in that described modified dacron pre-oriented yarn is 0.55-0.7wt%.
4. the described preparation method of claim 2 is characterized in that described modified dacron pre-oriented yarn is half delustring.
5. the described preparation method of claim 2, the specification that it is characterized in that described modified dacron pre-oriented yarn is 30D/36F.
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| CN201110131272A CN102330173A (en) | 2011-05-20 | 2011-05-20 | Nano calcium carbonate modified dacron pre-oriented yarn |
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| CN201110131272A CN102330173A (en) | 2011-05-20 | 2011-05-20 | Nano calcium carbonate modified dacron pre-oriented yarn |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105506771A (en) * | 2015-10-27 | 2016-04-20 | 济南圣泉集团股份有限公司 | Composite polyester fiber and preparation method and use thereof |
| CN105525381A (en) * | 2015-10-27 | 2016-04-27 | 济南圣泉集团股份有限公司 | Graphene-containing composite polyester fiber and its preparation method and use |
| US10519268B2 (en) | 2015-10-27 | 2019-12-31 | Jinan Shengquan Group Share Holding Co., Ltd. | Composite polyurethane foam comprising graphene, processes for preparing the same use thereof |
| US10689501B2 (en) | 2015-10-27 | 2020-06-23 | Jinan Shengquan Group Share Holding Co., Ltd. | Composite polyester material, composite polyester fiber, processes for preparing the same and uses thereof |
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| 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 |
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- 2011-05-20 CN CN201110131272A patent/CN102330173A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105506771A (en) * | 2015-10-27 | 2016-04-20 | 济南圣泉集团股份有限公司 | Composite polyester fiber and preparation method and use thereof |
| CN105525381A (en) * | 2015-10-27 | 2016-04-27 | 济南圣泉集团股份有限公司 | Graphene-containing composite polyester fiber and its preparation method and use |
| CN105525381B (en) * | 2015-10-27 | 2018-03-06 | 济南圣泉集团股份有限公司 | A kind of composite polyester fiber containing graphene, preparation method and use |
| US10519268B2 (en) | 2015-10-27 | 2019-12-31 | Jinan Shengquan Group Share Holding Co., Ltd. | Composite polyurethane foam comprising graphene, processes for preparing the same use thereof |
| US10689501B2 (en) | 2015-10-27 | 2020-06-23 | Jinan Shengquan Group Share Holding Co., Ltd. | Composite polyester material, composite polyester fiber, processes for preparing the same and uses thereof |
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Application publication date: 20120125 |