CN102618961B - Preparation method of low-strength low-elongation terylene filament - Google Patents
Preparation method of low-strength low-elongation terylene filament Download PDFInfo
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- CN102618961B CN102618961B CN2012100998095A CN201210099809A CN102618961B CN 102618961 B CN102618961 B CN 102618961B CN 2012100998095 A CN2012100998095 A CN 2012100998095A CN 201210099809 A CN201210099809 A CN 201210099809A CN 102618961 B CN102618961 B CN 102618961B
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Abstract
The invention relates to a modified polyester raw material of a low-strength low-elongation terylene filament, which comprises the raw material components as follows: terephthalic acid, ethylene glycol, inorganic sub-micron particles, a catalyst and a flatting agent, wherein the molar ratio of ethylene glycol to terephthalic acid is (1.3-1.8) : 1; the inorganic sub-micron particles are CaCO3 or CaSO4, and the mass ratio of the inorganic sub-micron particles to terephthalic acid is 0.5-2%; the catalyst is ethylene glycol antimony or antimony trioxide, and the mass ratio of the catalyst to terephthalic acid is 0.03-0.06%; and the flatting agent is TiO2, and the mass ratio of the flatting agent to terephthalic acid is 0.1-1.0%. The preparation method comprises the steps as follows: performing melt spinning on the modified polyester, drawing, cooling, and winding to obtain the low-strength low-elongation terylene filament. The low-strength low-elongation terylene filament has the advantages that the hygroscopicity, bulkiness and air permeability of the product are improved; the situation that fibers in the tearable non-woven medical gauze are arranged according to a certain direction is improved, and the service life is prolonged; the heat resistance and the heat stability are improved as compared with the those of the non-woven fabric and other tearable gauze and hygienic cloth; and the light fastness is good, the gloss retention, the color retention and the yellowing resistance and the like can be improved, and the use field is enlarged.
Description
[technical field]
The present invention relates to the polyester filament technical field, specifically, is a kind of preparation method of low strong flatness polyester filament.
[background technology]
Viscose has experienced the development of upper a century, become the important kind of textile fabric, but due to enterprise, in disparate development aspect technology, product, in production process, use in a large number caustic soda, therefore solving environmental protection problem occupies very important position in viscose production; And domestic viscose is take cotton pulp as main for a long time, and wood pulp, bamboo pulp consumption are less, and domestic pulp output is less, can not meet the demand of viscose glue enterprise, and the demand gap of domestic cotton linter is large, and supply presents nervous situation.
Along with the stable development of China's economy with the trend of globalization that day by day strengthens, the domestic long filament market demand of washing is powerful.The characteristics such as the low strong flatness polyester filament of imitative viscose glue has low-intensity, low elongation, corrosion-resistantly goes mouldy, heat endurance, light resistance and good air permeability, can be used for the fields such as tearable hospital gauze, health use cloth, bandage, disposable breathing mask, disposable tearable packaging bag, cosmetic products.In addition, low strong flatness polyester filament is during as tearable hospital gauze, bandage, tearable packing etc., and relevant user of service can cut short without scissors, directly tears or tear fracture, and use procedure is convenient and swift.
China Patent Publication No. is that the invention of CN1667172 relates to a kind of tearable non-woven fabric and preparation method thereof, it is by adding Masterbatch section, antioxidant, light stabilizer by polypropylene chip, the nonwoven fabric that adopts spun-bond process to prepare, one, in nonwoven fabric, fiber is pressed the certain orientation arrangement, easily split off, the life-span is short; Its two, can not as other cloth, clean.China Patent Publication No. is that the invention of CN1666725 relates to tear-able nonwoven fabrics cohesive elastic bandage, and it is comprised of tearable non-woven fabric and adhesive, and one is compared with the low strong flatness polyester filament of imitative viscose glue of the present invention, and heat resistance, heat endurance are inadequate; Its two, it does not pass through modification aspect light fastness, the use field decreases; Its three, conventional nonwoven fabric adhesive glue stick, compare fabric moisture, gas permeability deficiency with the odd-shaped cross section that the low strong polyester filament fiber of imitative viscose glue adopts.
[summary of the invention]
The object of the invention is to overcome the deficiencies in the prior art, a kind of preparation method of low strong flatness polyester filament is provided.
The objective of the invention is to be achieved through the following technical solutions:
A kind of modified poly ester raw material of low strong flatness polyester filament, its raw material components is:
Terephthalic acid (TPA);
Ethylene glycol, with respect to terephthalic acid (TPA) mol ratio 1.3～1.8: 1;
The inorganic submicron particle, be CaCO
3Or CaSO
4, with respect to 0.5～2% of terephthalic acid (TPA) quality;
Catalyst, be antimony glycol or antimonous oxide, with respect to 0.03～0.06% of terephthalic acid (TPA) quality; Delustering agent TiO
2, with respect to 0.1～1.0% of terephthalic acid (TPA) quality.
A kind of preparation method of modified poly ester raw material of low strong flatness polyester filament, form by esterifying polycondensation.
A kind of preparation method of low strong flatness polyester filament, carry out melt spinning by modified poly ester, through drawing-off, cooling, winding process, produces, and obtains low strong flatness polyester filament.
Melt temperature is 270～285 ℃, under the spinning speed of 4000～6000m/min, makes the FDY silk of 3～4dpf; By the melt Conveying system, melt is sent into to prefilter, through booster pump, measuring pump, filament spinning component, spinnerets spinning, by water mist cooling apparatus, 0.06～0.12m/s blows mist speed, then through the first hot-rolling, the second hot-rolling, drawing-off multiplying power are 1.5～3.0, last coiling and molding.
It is the odd-shaped cross section of cross or Y shape that low strong flatness polyester filament of the present invention adopts cross section, and profiled filament is concentrated owing to more easily forming stress, and fibre strength approximately hangs down 10%～20% than circular-section fibers.Cohesive force is strong, and fluffing and pilling effect can greatly reduce, and have anti-pilling.Cross section is special shape, as cross or Y shape, improves bulkiness and the gas permeability of fiber.
Low strong flatness polyester filament of the present invention adopts the cool radiator cooler of water smoke, adopts the blowing of 0.06～0.12m/s that water smoke, minute particles are sent into, and makes fibrous inside produce tiny nucleus, and crystallization occurs.
The present invention reduces oil content in spinning process, reduce oil content, adopts the high temperature oiling method, and the nucleation rate of fibrous inside crystal increases, and stress concentration point increases, and falls low-fiber intensity and elongation at break.
The present invention is through the first hot-rolling in spinning process, and heat roller temperature is 85～100 ℃, and the wrapping wire number of turns is 7～8 circles, then through the second hot-rolling, heat roller temperature is 200～240 ℃, and the wrapping wire number of turns is 8～10 circles, and fibrous inside is orientated, and the drawing-off multiplying power is 1.5～3.0.
Filament number is 3～4pdf, fracture strength 1.0～2.2cN/dtex, extension at break 15～20%.
During modified poly ester polymerization of the present invention, add the inorganic submicron particle, CaCO
3Or CaSO
4, by in fiber, forming nucleus, strengthen crystalline rate, reduce spherulite size, improve the epipole that crystallizes into of fiber, increase stress concentration point, low-fiber intensity is fallen.
Purposes of the present invention: can be used for the terylene production technology, particularly the production technology of low strong flatness polyester filament.
Compared with prior art, good effect of the present invention is:
(1) in the polyester filament field, utilize the characteristics of low-intensity, low elongation, while being used in tearable hospital gauze, health with fields such as cloth, bandage, disposable breathing mask, disposable tearable packaging bag, cosmetic products, relevant user of service can cut short without scissors, directly tear or tear fracture, use procedure is convenient and swift;
(2) the present invention improves hygroscopicity, bulkiness and the gas permeability of product;
(3) the present invention has improved fiber in the tearable non-woven fabric hospital gauze and has arranged by certain orientation, easily splits off, and the shortcoming that the life-span is short, increase the service life;
(4) the present invention is than tearable gauze, the health such as nonwoven fabric cloth, and heat resistance, thermal stability are improved;
(5) light fastness of the present invention is good, can just can improve gloss retention, colour retention and yellowing resistance etc. without the processing of additive, enlarges the use field.
[specific embodiment]
The preparation method's of a kind of low strong flatness polyester filament of the present invention the specific embodiment below is provided.
Embodiment 1
Prepare modified poly ester, described modified poly ester raw material:
Terephthalic acid (TPA);
Ethylene glycol, with respect to terephthalic acid (TPA) mol ratio 1.3: 1;
The inorganic submicron particle, CaCO
3Or CaSO
4, with respect to 0.5% of terephthalic acid (TPA) quality;
Catalyst, antimony glycol or antimonous oxide, with respect to 0.03% of terephthalic acid (TPA) quality;
Delustering agent TiO
2, with respect to 0.1% of terephthalic acid (TPA) quality.
A kind of preparation method of modified poly ester raw material of low strong flatness polyester filament, form by esterifying polycondensation.
A kind of preparation method of low strong flatness polyester filament, carry out melt spinning by modified poly ester, through drawing-off, cooling, winding process, produces, and obtains low strong flatness polyester filament; Melt temperature is 270～285 ℃, under the spinning speed of 4000～6000m/min, makes down the FDY silk of making 250D/72f; By the melt Conveying system, melt is sent into to prefilter, through booster pump, measuring pump, filament spinning component, spinnerets spinning, pass through water mist cooling apparatus, 0.06m/s blow mist speed, through the first hot-rolling, heat roller temperature is 85 ℃, the wrapping wire number of turns is 7 circles, through the second hot-rolling, heat roller temperature is 200 ℃ again, and the wrapping wire number of turns is 9 circles, the drawing-off multiplying power is 1.8, last coiling and molding.
Embodiment 2
Prepare modified poly ester, described modified poly ester raw material:
Terephthalic acid (TPA);
Ethylene glycol, with respect to terephthalic acid (TPA) mol ratio 1.4: 1;
The inorganic submicron particle, CaCO
3Or CaSO
4, with respect to 1.0% of terephthalic acid (TPA) quality;
Catalyst, antimony glycol or antimonous oxide, with respect to 0.04% of terephthalic acid (TPA) quality;
Delustering agent TiO
2, with respect to 0.2% of terephthalic acid (TPA) quality.
A kind of preparation method of modified poly ester raw material of low strong flatness polyester filament, form by esterifying polycondensation.
A kind of preparation method of low strong flatness polyester filament, carry out melt spinning by modified poly ester, through drawing-off, cooling, winding process, produces, and obtains low strong flatness polyester filament; Melt temperature is 275 ℃, under the spinning speed of 4500m/min, makes down the FDY silk of making 260D/72f; By the melt Conveying system, melt is sent into to prefilter, through booster pump, measuring pump, filament spinning component, spinnerets spinning, pass through water mist cooling apparatus, 0.08m/s blow mist speed, through the first hot-rolling, heat roller temperature is 90 ℃, the wrapping wire number of turns is 7 circles, through the second hot-rolling, heat roller temperature is 210 ℃ again, and the wrapping wire number of turns is 10 circles, the drawing-off multiplying power is 2.0, last coiling and molding.
Embodiment 3
Prepare modified poly ester, described modified poly ester raw material:
Terephthalic acid (TPA);
Ethylene glycol, with respect to terephthalic acid (TPA) mol ratio 1.5: 1;
The inorganic submicron particle, CaCO
3Or CaSO
4, with respect to 1.5% of terephthalic acid (TPA) quality;
Catalyst, antimony glycol or antimonous oxide, with respect to 0.05% of terephthalic acid (TPA) quality;
Delustering agent TiO
2, with respect to 0.3% of terephthalic acid (TPA) quality.
A kind of preparation method of modified poly ester raw material of low strong flatness polyester filament, form by esterifying polycondensation.
A kind of preparation method of low strong flatness polyester filament, carry out melt spinning by modified poly ester, through drawing-off, cooling, winding process, produces, and obtains low strong flatness polyester filament; Melt temperature is 285 ℃, under the spinning speed of 5000m/min, makes down the FDY silk of making 280D/72f; By the melt Conveying system, melt is sent into to prefilter, through booster pump, measuring pump, filament spinning component, spinnerets spinning, pass through water mist cooling apparatus, 0.08m/s blow mist speed, through the first hot-rolling, heat roller temperature is 95 ℃, the wrapping wire number of turns is 8 circles, through the second hot-rolling, heat roller temperature is 220 ℃ again, and the wrapping wire number of turns is 11 circles, the drawing-off multiplying power is 2.5, last coiling and molding.
Embodiment 4
Prepare modified poly ester, described modified poly ester raw material:
Terephthalic acid (TPA);
Ethylene glycol, with respect to terephthalic acid (TPA) mol ratio 1.8: 1;
The inorganic submicron particle, CaCO
3Or CaSO
4, with respect to 2% of terephthalic acid (TPA) quality;
Catalyst, antimony glycol or antimonous oxide, with respect to 0.06% of terephthalic acid (TPA) quality;
Delustering agent TiO
2, with respect to 1.0% of terephthalic acid (TPA) quality.
A kind of preparation method of modified poly ester raw material of low strong flatness polyester filament, form by esterifying polycondensation.
A kind of preparation method of low strong flatness polyester filament, carry out melt spinning by modified poly ester, through drawing-off, cooling, winding process, produces, and obtains low strong flatness polyester filament; Melt temperature is 285 ℃, under the spinning speed of 5500m/min, makes down the FDY silk of making 300D/72f; By the melt Conveying system, melt is sent into to prefilter, through booster pump, measuring pump, filament spinning component, spinnerets spinning, pass through water mist cooling apparatus, 0.12m/s blow mist speed, through the first hot-rolling, heat roller temperature is 100 ℃, the wrapping wire number of turns is 8 circles, through the second hot-rolling, heat roller temperature is 240 ℃ again, and the wrapping wire number of turns is 12 circles, the drawing-off multiplying power is 3.0, last coiling and molding.
The above is only the preferred embodiment of the present invention; it should be pointed out that for those skilled in the art, without departing from the inventive concept of the premise; can also make some improvements and modifications, these improvements and modifications also should be considered within the scope of protection of the present invention.
Claims (2)
1. the preparation method of a low strong flatness polyester filament, is characterized in that, its modified poly ester material component is:
Terephthalic acid (TPA);
Ethylene glycol, with respect to terephthalic acid (TPA) mol ratio 1.3～1.8:1;
The inorganic submicron particle, be CaCO
3Or CaSO
4, with respect to 0.5～2% of terephthalic acid (TPA) quality; Catalyst, be antimony glycol or antimonous oxide, with respect to 0.03～0.06% of terephthalic acid (TPA) quality;
Delustering agent TiO
2, with respect to 0.1～1.0% of terephthalic acid (TPA) quality;
Preparation method's concrete steps: the modified poly ester raw material is carried out to melt spinning, produce through supercooling, drawing-off, winding process, obtain low strong flatness polyester filament;
Melt temperature is 270～285 ℃, under the spinning speed of 4000～6000m/min, makes the FDY silk of 3～4dpf; By the melt Conveying system, melt is sent into to prefilter, through booster pump, measuring pump, filament spinning component, spinnerets spinning, by water mist cooling apparatus, 0.06～0.12m/s blows mist speed, then through the first hot-rolling, the second hot-rolling, drawing-off multiplying power are 1.5～3.0, last coiling and molding;
Adopt water mist cooling apparatus, adopt the blowing of 0.06～0.12m/s that water smoke, minute particles are sent into;
Through the first hot-rolling, heat roller temperature is 85～100 ℃ in spinning process, and the wrapping wire number of turns is 7～8 circles, then through the second hot-rolling, heat roller temperature is 200～240 ℃, and the wrapping wire number of turns is 8～10 circles, and fibrous inside is orientated, and the drawing-off multiplying power is 1.5～3.0.
2. the preparation method of a kind of low strong flatness polyester filament as claimed in claim 1, is characterized in that, adopting cross section is the odd-shaped cross section of cross or Y shape.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012100998095A CN102618961B (en) | 2012-04-03 | 2012-04-03 | Preparation method of low-strength low-elongation terylene filament |
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|---|---|---|---|
| CN2012100998095A CN102618961B (en) | 2012-04-03 | 2012-04-03 | Preparation method of low-strength low-elongation terylene filament |
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| CN102618961B true CN102618961B (en) | 2013-11-20 |
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| CN106835312B (en) * | 2017-01-10 | 2019-06-14 | 长兴山鹰化纤有限公司 | The preparation method of polyester filament |
| CN109112650A (en) * | 2017-06-23 | 2019-01-01 | 江苏天地化纤有限公司 | A kind of Silk heat-treatment processing process |
| CN108179482A (en) * | 2017-12-29 | 2018-06-19 | 浙江联颖科技有限公司 | A kind of chemical fibre color silk production technology |
| CN108866744A (en) * | 2018-06-19 | 2018-11-23 | 嘉兴市盛翔织造有限公司 | A kind of two-sided tearable fabric and its processing method for medical adhesive tape |
| CN110453304A (en) * | 2019-08-27 | 2019-11-15 | 江苏德力化纤有限公司 | A kind of preparation method and polyester fiber of Silk georgette fabric polyester fiber |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1544719A (en) * | 2003-11-10 | 2004-11-10 | 忠 黄 | Water cooling method in polyester fiber melt-spinning |
| CN1667172A (en) * | 2004-03-12 | 2005-09-14 | 上海嘉迪安医疗器械有限公司 | Tearable non-woven fabric and its making method |
| CN1666725A (en) * | 2004-03-12 | 2005-09-14 | 上海嘉迪安医疗器械有限公司 | Tear-able nonwoven fabrics cohesive elastic bandage |
| CN102330169A (en) * | 2011-05-20 | 2012-01-25 | 江苏鹰翔化纤股份有限公司 | Preparation method of nanometer calcium carbonate modified polyester fiber |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6825276B2 (en) * | 2001-04-17 | 2004-11-30 | Pliant Corporation | Nonoriented stiff packaging film with superior tear properties |
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1544719A (en) * | 2003-11-10 | 2004-11-10 | 忠 黄 | Water cooling method in polyester fiber melt-spinning |
| CN1667172A (en) * | 2004-03-12 | 2005-09-14 | 上海嘉迪安医疗器械有限公司 | Tearable non-woven fabric and its making method |
| CN1666725A (en) * | 2004-03-12 | 2005-09-14 | 上海嘉迪安医疗器械有限公司 | Tear-able nonwoven fabrics cohesive elastic bandage |
| CN102330169A (en) * | 2011-05-20 | 2012-01-25 | 江苏鹰翔化纤股份有限公司 | Preparation method of nanometer calcium carbonate modified polyester fiber |
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Inventor after: Xiao Guozhi Inventor after: Wang Qiong Inventor after: Wu Xuexin Inventor after: Gu Yueqiang Inventor after: He Wei Inventor after: Xiang Feng Inventor after: Zuo Pingan Inventor after: Li Jun Inventor after: Wang Huaping Inventor after: Qin Dan Inventor before: He Wei Inventor before: Xiang Feng Inventor before: Zuo Pingan Inventor before: Gu Yueqiang Inventor before: Li Jun Inventor before: Wang Huaping Inventor before: Qin Dan Inventor before: Wang Qiong |
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Free format text: CORRECT: INVENTOR; FROM: HE WEI XIANG FENG ZUO PINGAN GU YUEQIANG LI JUN WANG HUAPING QIN DAN WANG QIONG TO: XIAO GUOZHI WU XUEXIN GU YUEQIANG HE WEI XIANG FENG ZUO PINGAN LI JUN WANG HUAPING QIN DAN WANG QIONG |
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