CN103290507A - Preparation method of polymerized micro-amount modified super bright polyester fibers - Google Patents
Preparation method of polymerized micro-amount modified super bright polyester fibers Download PDFInfo
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- CN103290507A CN103290507A CN2013101666621A CN201310166662A CN103290507A CN 103290507 A CN103290507 A CN 103290507A CN 2013101666621 A CN2013101666621 A CN 2013101666621A CN 201310166662 A CN201310166662 A CN 201310166662A CN 103290507 A CN103290507 A CN 103290507A
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Abstract
The invention discloses a method for producing chemical fibers, in particular discloses a preparation method of super bright polyester fibers, and aims to provide a preparation method of polymerized micro-amount modified super bright polyester fibers which are bright in luster, excellent in performance and good in abrasion resistance. By adopting the preparation method, a woven fabric has good hand feeling, excellent moisture penetrability and air permeability, bright appearance and excellent luster, and can be used for scarves, pajamas, sweaters, woolen sweaters, shell fabrics needing a flash effect and the like.
Description
Technical field
The present invention relates to a kind of production method of chemical fibre, especially a kind of preparation method of lustrous polyester fiber.
Background technology
Lustrous polyester fiber has characteristics such as intensity height, color and luster be beautiful, and attractive in appearance, the good permeability of its fabric of making has special visual effect, is subjected to people's welcome deeply.At present, lustrous polyester fiber on the market mainly obtains beautiful gloss by changing the fibre section shape, as triangle, trilobal etc., wherein the fiber of triangular-section has the refractive power effect of similar prism, and by the resultant effect of light splitting, reflection and interference, it is beautiful, reflective strong to make fiber and fabric thereof have gloss, the characteristics that flash of light property is good can be applicable to fields such as stage dress ornament, family expenses decorative fabric and fashionable dress fabric.But profiled filament easily forms stress raiser, and fibre strength is low than the circular cross-section fiber, and crocking resistance is poor.
Summary of the invention
The objective of the invention is in order to solve the deficiency of above-mentioned technology, and provide that a kind of gloss is beautiful, the preparation method of function admirable, a kind of polymerization trace modification lustrous polyester fiber that crocking resistance is good.
The preparation method of a kind of polymerization trace modification lustrous polyester fiber that the present invention is designed, step is as follows successively:
The first step, the preparation of nano barium sulfate trace modified poly ester melt: phthalic acid is called for short PTA and ethylene glycol abbreviation EG, obtain polyester fondant through esterification, precondensation, final polymerization reaction, described esterification, precondensation, final polymerization reaction are undertaken by state of the art; The interpolation time of nano barium sulfate is before slurry mixes or after the esterification before the precondensation; Temperature is 265 ℃～273 ℃ during esterification, and steam pressure is 1.9～2.5kg/ square centimeter, and the precondensation temperature is 280 ℃～292 ℃, and the poly-temperature of final minification is 285.7 ℃～295 ℃, and the polyester melt viscosity that obtains is 0.606～0.690dl/g; The particle size range of nano barium sulfate is between 0.3～1 μ m, and addition manner is the nano barium sulfate glycolic suspension, and the polymerization addition is 400～20000ppm;
Second step, the preparation of triangular-section polyester fiber: the above-mentioned polyester fondant that makes is passed through the melt Conveying pipeline after booster pump supercharging and melt cooler cooling, enter into each spinning manifold by the distributing valve shunting, and measure by measuring pump, polyester fondant in each spinning manifold is fed to be extruded after spinning pack filters, comprise spinnerets in the described spinning pack, spinnerets is Y shape spinnerets, makes as-spun fibre through lateral blowing or ring blowing cooling again; Spinning condition control is as follows, and spinning body temperature is controlled to be 280 ℃～295 ℃, and filament spinning component pressure is 12MPa～20MPa, and spinning temperature is 279 ℃～292 ℃;
The 3rd step, the drawing-off of polyester filament, coiling and molding: as-spun fibre is entered the up-coiler coiling and molding with certain force of strain behind devices such as oiling device, traveller, pre-network, first hot-rolling, second hot-rolling; Spinning silk winding speed is 3800m/min～5000m/min, and first heat roller temperature is controlled to be 80 ℃～100 ℃, and speed is 1890r/min～2500r/min, and second heat roller temperature is controlled to be 110 ℃～150 ℃, and speed is 3800r/min～5000r/min.
Polyester filament described above can be the FDY silk.
The present invention combines two kinds of methods of improving fiber gloss, and the one, in the polyester reaction, add micro-nano barium sulfate, the 2nd, in spinning technique, adopt the profile spinneret spinning; Nano barium sulfate has that inertia is big, hardness is low, the brightness advantages of higher; In the crystallizing polyester process, poly-vinegar strand is centered by these particles, be adsorbed onto on the particle and do and arrange and the formation nucleus in order, and triangular-section fiber special ray reflecting and refractiveness make fiber have good gloss and flash of light property, both effective combinations not only can improve the beautiful degree of fiber gloss, improve the whiteness of fiber, can also effectively improve the degree of crystallinity of polyester fiber, improve the mechanical property such as impact strength, TENSILE STRENGTH, bending strength of fiber.It is beautiful that this fiber has gloss, and flash of light property is good, is better than common triangular-section bright yarn, the degree of crystallinity height of fiber, and characteristics such as good mechanical performance are a kind of new type polyester fibers with high added value.
Beneficial effect of the present invention:
(1) this method production technology is simple, can effectively control the addition of nano barium sulfate.
(2) add micro-nano barium sulfate as nucleator in polymerization process, the degree of crystallinity of fiber improves, and mechanical property is improved obviously.
(3) triangular-section gives fiber good gloss effect, and nano barium sulfate improves the degree of crystallinity of fiber, optimizes its mechanical property, and the whiteness of fiber also increases simultaneously.
Nano barium sulfate is a kind of novel polyester additives, it has characteristics such as good stability, acid and alkali-resistance, high density, high whiteness, refractive index is 1.64, very approaching with the refractive index 1.54 of polyester, in polyester, add brightness and the whiteness that nano barium sulfate can improve polyester fiber, improve the optical property of triangle lustrous polyester fiber, nano barium sulfate can also be as nucleator simultaneously, the degree of crystallinity of raising fiber, TENSILE STRENGTH, crocking resistance etc.
The combination of these two kinds of designs makes and weaves the fabric that forms good hand feeling is arranged, and poisture-penetrability, gas permeability are good, and outward appearance is beautiful, has excellent gloss, can be used for scarf, nightwear, knitting wool, woollen sweater, needs the fabric of flash effect etc.
Description of drawings
Fig. 1 is the process chart of the embodiment of the invention 1 and embodiment 2.
The specific embodiment
The invention will be further described below in conjunction with accompanying drawing.
Embodiment 1:
As shown in Figure 1, a kind of preparation method of polymerization trace modification lustrous polyester fiber, step is as follows successively:
The first step, the preparation of nano barium sulfate trace modified poly ester melt: phthalic acid and ethylene glycol are entered slurry preparing tank 3 by phthalic acid conveyance conduit 1 and an ethylene glycol conveyance conduit 2 respectively, under the effect of stirring motor 4 slurry is mixed, nano barium sulfate and ethylene glycol enter nano barium sulfate suspension preparation jar 7 by nano barium sulfate conveyance conduit 5, No. two ethylene glycol conveyance conduits 6 respectively simultaneously; In the slurry course of conveying, mix with slurry by nano barium sulfate suspension, enter slurry feeding jar 8 then, behind slurry process reaction kettle of the esterification 9, metered shot pump 10, catalyst feeding unit 11, prepolymerization reaction still 12, final polymerization reactor 13 equipment, make micro-modified nano-barium sulfate polyester fondant; Prepolymerization reaction still 12 also is connected with vacuum system device 14 with final polymerization nuclear reaction still, guarantees that prepolymerization reaction and final polymerization are reflected under the vacuum condition to carry out; Wherein esterification temperature is 270 ℃, and the precondensation temperature is 288 ℃, and the poly-temperature of final minification is 289 ℃, and the polyester melt viscosity that obtains is 0.627～0.628dl/g; The particle diameter of nano barium sulfate is at 0.7-1.0 μ m;
Second step, the preparation of triangular-section polyester fiber: the above-mentioned polyester fondant that makes is passed through the melt Conveying pipeline after booster pump supercharging, melt cooler cooling, enter each spinning manifold by the distributing valve shunting, measure by measuring pump, polyester fondant is admitted to be extruded after spinning pack filters, and makes as-spun fibre through ring blowing cooling again; Spinning condition control is as follows: spinning body temperature is controlled at 290 ℃, and filament spinning component pressure is 16MPa, and ring is dried temperature control at 20 ℃, and relative humidity is 85%, the ring blowing is pressed is 25-35Pa;
The 3rd step, drawing-off, the coiling and molding of polyester FDY long filament: as-spun fibre is entered the up-coiler coiling and molding with certain force of strain behind devices such as oiling device, traveller, pre-network, first hot-rolling, second hot-rolling; Spinning speed is 4500m/min, and first heat roller temperature is controlled at 93 ℃, and speed is 2150r/min, and second heat roller temperature is controlled at 130 ℃, and speed is 4970r/min.
The performance of the polymerization trace modification lustrous polyester fiber that the present invention produces and common triangle lustrous polyester fiber is compared as follows:
(1) comparison of Color: add the spinning cake of nano barium sulfate and do not add the spinning cake color the same substantially, do not have anything to change, the appearance of fabrics of interpolation nano barium sulfate a little partially in vain.
(2) the finished silk physical property is relatively:
Embodiment 2:
As shown in Figure 1, a kind of preparation method of polymerization trace modification lustrous polyester fiber, step is as follows successively:
The first step, the preparation of nano barium sulfate trace modified poly ester melt: nano barium sulfate and ethylene glycol are entered nano barium sulfate suspension preparation jar 7 by nano barium sulfate conveyance conduit 5, No. two ethylene glycol conveyance conduits 6 respectively, make nano barium sulfate suspension; Phthalic acid and ethylene glycol enter slurry preparing tank 3 by phthalic acid conveyance conduit 1 and an ethylene glycol conveyance conduit 2 respectively, under the effect of stirring motor 4, slurry is mixed, enter slurry feeding jar 8 then, the prepolymer that obtains behind slurry process reaction kettle of the esterification 9, the metered shot pump 10 mixes with nano barium sulfate suspension, mixture makes micro-modified nano-barium sulfate polyester fondant behind equipment such as catalyst feeding unit 11, prepolymerization reaction still 12, final polymerization reactor 13; Vacuum system device 14 guarantees that prepolymerization reaction and final polymerization reaction have appropriate vacuum degree, and wherein esterification temperature is 270 ℃, and the precondensation temperature is 288 ℃, and the poly-temperature of final minification is 289 ℃, and the polyester melt viscosity that obtains is 0.627～0.628dl/g; The particle size range of nano barium sulfate is at 0.3-0.7 μ m;
Second step, the preparation of triangular-section polyester fiber: the polyester fondant of above-mentioned gained is passed through the melt Conveying pipeline after booster pump supercharging, melt cooler cooling, enter each spinning manifold by the distributing valve shunting, measure by measuring pump, polyester fondant is admitted to be extruded after spinning pack filters, and makes as-spun fibre through ring blowing cooling again; Spinning condition control is as follows: spinning body temperature is controlled at 290 ℃, and filament spinning component pressure is 16MPa, and ring is dried temperature control at 20 ℃, and relative humidity is 85%, the ring blowing is pressed is 25-35Pa;
The 3rd step, drawing-off, the coiling and molding of polyester FDY long filament: as-spun fibre is entered the up-coiler coiling and molding with certain force of strain behind devices such as oiling device, traveller, pre-network, first hot-rolling, second hot-rolling; Spinning speed is 4500m/min, and first heat roller temperature is controlled at 93 ℃, and speed is 2150r/min, and second heat roller temperature is controlled at 130 ℃, and speed is 4970r/min.
The performance of the polymerization trace modification lustrous polyester fiber that the present invention produces and common triangle lustrous polyester fiber is compared as follows:
(1) comparison of Color: add the spinning cake of nano barium sulfate and do not add the spinning cake color the same substantially, do not have anything to change, the appearance of fabrics of interpolation nano barium sulfate a little partially in vain.
(2) the finished silk physical property is relatively:
Embodiment 3:
The particle diameter that is nano barium sulfate with the difference of embodiment 2 is at 0.55-0.66 μ m, and the fracture strength of finished silk is 5.24cN/dtex after testing.
Claims (3)
1. the preparation method of polymerization trace modification lustrous polyester fiber, it is characterized in that: the first step, the preparation of nano barium sulfate trace modified poly ester melt: phthalic acid is called for short PTA and ethylene glycol abbreviation EG, obtain polyester fondant through esterification, precondensation, final polymerization reaction, described esterification, precondensation, final polymerization reaction are undertaken by state of the art; The interpolation time of nano barium sulfate is before slurry mixes or after the esterification before the precondensation; Temperature is 265 ℃～273 ℃ during esterification, and steam pressure is 1.9～2.5kg/ square centimeter, and the precondensation temperature is 280 ℃～292 ℃, and the poly-temperature of final minification is 285.7 ℃～295 ℃, and the polyester melt viscosity that obtains is 0.606～0.690dl/g; The particle size range of nano barium sulfate is between 0.3～1 μ m, and addition manner is the nano barium sulfate glycolic suspension, and the polymerization addition is 400～20000ppm;
Second step, the preparation of triangular-section polyester fiber: the above-mentioned polyester fondant that makes is passed through the melt Conveying pipeline after booster pump supercharging and melt cooler cooling, enter into each spinning manifold by the distributing valve shunting, and measure by measuring pump, polyester fondant in each spinning manifold is fed to be extruded after spinning pack filters, comprise spinnerets in the described spinning pack, spinnerets is Y shape spinnerets, makes as-spun fibre through lateral blowing or ring blowing cooling again; Spinning condition control is as follows, and spinning body temperature is controlled to be 280 ℃～295 ℃, and filament spinning component pressure is 12MPa～20MPa, and spinning temperature is 279 ℃～292 ℃;
The 3rd step, the drawing-off of polyester filament, coiling and molding: as-spun fibre is entered the up-coiler coiling and molding with certain force of strain behind devices such as oiling device, traveller, pre-network, first hot-rolling, second hot-rolling.Spinning silk winding speed is 3800m/min～5000m/min, and first heat roller temperature is controlled to be 80 ℃～100 ℃, and speed is 1890r/min～2500r/min, and second heat roller temperature is controlled to be 110 ℃～150 ℃, and speed is 3800r/min～5000r/min.
2. the preparation method of a kind of polymerization trace modification lustrous polyester fiber according to claim 1, it is characterized in that: phthalic acid and ethylene glycol are entered slurry preparing tank (3) by phthalic acid conveyance conduit (1) and an ethylene glycol conveyance conduit (2) respectively, under the effect of stirring motor (4) slurry is mixed, nano barium sulfate and ethylene glycol enter nano barium sulfate suspension preparation jar (7) by nano barium sulfate conveyance conduit (5), No. two ethylene glycol conveyance conduits (6) respectively simultaneously; In the slurry course of conveying, mix with slurry by nano barium sulfate suspension, enter slurry feeding jar (8) then, behind slurry process reaction kettle of the esterification (9), metered shot pump (10), catalyst feeding unit (11), prepolymerization reaction still (12), final polymerization reactor (13) equipment, make micro-modified nano-barium sulfate polyester fondant; Prepolymerization reaction still (12) also is connected with vacuum system device (14) with final polymerization nuclear reaction still, guarantees that prepolymerization reaction and final polymerization are reflected under the vacuum condition to carry out; Wherein esterification temperature is 270 ℃, and the precondensation temperature is 288 ℃, and the poly-temperature of final minification is 289 ℃, and the polyester melt viscosity that obtains is 0.627～0.628dl/g; The particle diameter of nano barium sulfate is at 0.7-1.0 μ m.
3. the preparation method of a kind of polymerization trace modification lustrous polyester fiber according to claim 1, it is characterized in that: polyester fondant passes through the melt Conveying pipeline after booster pump supercharging, melt cooler cooling, enter each spinning manifold by the distributing valve shunting, measure by measuring pump, polyester fondant is admitted to be extruded after spinning pack filters, and makes as-spun fibre through ring blowing cooling again; Spinning condition control is as follows: spinning body temperature is controlled at 290 ℃, and filament spinning component pressure is 16MPa, and ring is dried temperature control at 20 ℃, and relative humidity is 85%, the ring blowing is pressed is 25-35Pa.
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| CN103603084A (en) * | 2013-10-10 | 2014-02-26 | 桐乡中欣化纤有限公司 | Manufacturing method of multi-reflecting DTY fiber |
| CN103603072A (en) * | 2013-10-21 | 2014-02-26 | 桐乡市中辰化纤有限公司 | Preparation method of bright velvet breathable fiber |
| CN103603070A (en) * | 2013-10-21 | 2014-02-26 | 桐乡市中辰化纤有限公司 | Preparation method of high-comfort triangular hollow microporous fiber |
| CN103603071A (en) * | 2013-10-10 | 2014-02-26 | 桐乡市中辰化纤有限公司 | Fine-denier flat yarn and manufacturing method thereof |
| CN104131360A (en) * | 2014-06-17 | 2014-11-05 | 福建百宏聚纤科技实业有限公司 | Micro-nano modified super bright polyester fibers and preparation method thereof |
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| CN104294378A (en) * | 2014-09-18 | 2015-01-21 | 常熟市凯丽针纺织有限公司 | Method for manufacturing multi-refraction DTY fiber |
| CN107761189A (en) * | 2017-11-30 | 2018-03-06 | 新凤鸣集团股份有限公司 | A kind of preparation method of the refreshing anti-bacterial fibre of super fine denier suction ice |
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| CN113913963A (en) * | 2021-08-20 | 2022-01-11 | 桐昆集团浙江恒通化纤有限公司 | Preparation method and production equipment of ultra-bright fine-denier flat terylene pre-oriented yarn |
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| CN103603084A (en) * | 2013-10-10 | 2014-02-26 | 桐乡中欣化纤有限公司 | Manufacturing method of multi-reflecting DTY fiber |
| CN103603070B (en) * | 2013-10-21 | 2016-08-24 | 桐乡市中辰化纤有限公司 | The preparation method of the high micro-porous fibre of comfortable triangular hollow |
| CN103603070A (en) * | 2013-10-21 | 2014-02-26 | 桐乡市中辰化纤有限公司 | Preparation method of high-comfort triangular hollow microporous fiber |
| CN103603072B (en) * | 2013-10-21 | 2016-05-18 | 桐乡市中辰化纤有限公司 | The preparation method of pearl suede permeable fiber |
| CN103603072A (en) * | 2013-10-21 | 2014-02-26 | 桐乡市中辰化纤有限公司 | Preparation method of bright velvet breathable fiber |
| CN104131360A (en) * | 2014-06-17 | 2014-11-05 | 福建百宏聚纤科技实业有限公司 | Micro-nano modified super bright polyester fibers and preparation method thereof |
| CN104264241A (en) * | 2014-06-17 | 2015-01-07 | 福建百宏聚纤科技实业有限公司 | High-profile degree bright polyester fiber and preparation method thereof |
| CN104131360B (en) * | 2014-06-17 | 2016-02-03 | 福建百宏聚纤科技实业有限公司 | A kind of micro-nano modification lustrous polyester fiber and preparation method thereof |
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| CN107779966A (en) * | 2017-11-30 | 2018-03-09 | 新凤鸣集团股份有限公司 | A kind of preparation method of compound Silk PFY |
| CN107938018A (en) * | 2017-11-30 | 2018-04-20 | 新凤鸣集团股份有限公司 | A kind of preparation method of different contraction radiation protection SSY composite fibres |
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Effective date of registration: 20171205 Address after: Zhejiang city of Huzhou province Wuxing District 313021 District East Town Industrial Zone Patentee after: XINFENGMING GROUP HUZHOU ZHONGSHI TECHNOLOGY CO., LTD. Address before: 314500 Tongxiang, Zhejiang City Industrial Park, the town of Stephen Patentee before: Tongxiang Zhongchen Chemical Fibre Co., Ltd. |