CN104372443B - A kind of manufacture method of uvioresistant chopped fiber - Google Patents
A kind of manufacture method of uvioresistant chopped fiber Download PDFInfo
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- CN104372443B CN104372443B CN201410703241.2A CN201410703241A CN104372443B CN 104372443 B CN104372443 B CN 104372443B CN 201410703241 A CN201410703241 A CN 201410703241A CN 104372443 B CN104372443 B CN 104372443B
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Abstract
The manufacture method of a kind of uvioresistant chopped fiber, it mainly adopts corn starch and polyester to be base stock, adds nano titanium oxide as anti ultraviolet agent, through melt spinning. The advantage simultaneously having corn fiber and polyester fiber concurrently, UVResistant effect is very good.
Description
Technical field
The present invention relates to antiultraviolet fiber weaving field, the manufacture method of especially a kind of uvioresistant chopped fiber.
Background technology
Current world economy high speed development, also the serious problems such as environmental pollution are brought, particularly the destruction of ozone layer is on the rise, the uitraviolet intensity arriving ground substantially increases, ultraviolet is also just increasing to the injury of human body, accept ultraviolet radiation for a long time, the organic molecule life-span can be reduced, immune function of human body is made to decline, not only infringement skin causes the diseases such as dermatitis, freckle, erythema, and can promote ophthalmic, causes cataract, even causing the diseases such as skin carcinoma, therefore how solving ultraviolet injury has become our problem demanding prompt solution. Raising along with living standards of the people, textile application field is more and more extensive, and society is also more and more higher to the requirement of textile, so improving the anti-ultraviolet property of textile, to guaranteeing health of people living safety, reduce ultraviolet and the injury of human body is had great significance.
The uvioresistant fiber provided in the market mainly adopts general fibre to make surface ultraviolet resistant treatment and processes, or adopting polyester fondant or polyester slice to add ultraviolet screening mother granule makes fiber, though the temporary transient uvioresistant of the former energy, but the time one is long, or uvioresistant effect can be lost after washing, and the latter's uvioresistant effect is very good, belong to permanent ultraviolet protection. And corn fiber is as having biodegradable green fiber, it is provided simultaneously with natural fiber and the advantage of chemical fibre two aspect. How the advantage of polyester fiber, corn fiber is merged, develop a kind of novel uvioresistant chopped fiber, be this area problem demanding prompt solution.
Summary of the invention
For solving the problems referred to above, the invention provides the manufacture method of a kind of uvioresistant chopped fiber, it mainly adopts corn starch and polyester to be base stock, adds nano titanium oxide as anti ultraviolet agent, through melt spinning.
Its technical process is as follows:
(1) by corn starch, polylactic acid, ethylene glycol, surface conditioning agent is that 80:10:8:2 joins in mixed at high speed blender according to weight ratio, rotating speed is 2500r/min, and stirring incorporation time is 20～30min, and wherein addition sequence is for being initially charged corn starch and ethylene glycol, add surface conditioning agent after stirring 5min, after stirring 10min, add polylactic acid;
(2) polyester slice and decamethylcyclopentaandoxane, nano titanium oxide are joined in mixed at high speed blender, the weight ratio of three is 80:15:5, rotating speed is 2500r/min, stirring incorporation time is 20～30min, wherein addition sequence is for being initially charged decamethylcyclopentaandoxane and nano titanium oxide, adds polyester slice after stirring 5min;
(3) material obtained in (1) and (2) is mixed in homogenizer, it is kept stirring for down being warming up to 180 DEG C, then improves rotating speed to 4000r/min, continue stirring 20～30min, then turn off heating and continue stirring to mix homogeneously, then cooling discharging;
(4) material of cooling discharging is placed in vacuum drum drying machine, at 90～100 DEG C of fully dry 12～15h;
(5) dried material is carried out screw rod melt extruded and obtains melt, melt through filtering, metering spinning, ring quenching, winding oil, draw feeding, Sheng silk falls bucket; When material enters screw rod melt extruded, screw rod each district temperature controls between 260～310 DEG C, and screw rod head Stress control is at 10～18MPa, and melt enters fondant filter, the drainage screen precision of filter is 120～250 orders, and the filtration gross area of filter is 4.5～12m2, filter temperature controls at 260～290 DEG C; Melt out enters spinning manifold through dosing pump metering afterwards from filter, extrudes precursor from spinneret, and before spinning manifold, pressure is maintained at 4MPa～6MPa, and spinning body temperature is maintained at 260～290 DEG C; The temperature of ring blowing is 15～32 DEG C, and wind speed is 0.6～2 meter per second; Winding speed is 800～1200 ms/min;
(6) fiber is carried out boundling process, through oil bath drawing-off, steam drafting, nervous thermal finalization, oil, folded silk, curling, relaxation heat setting, cut-out, packing, obtain uvioresistant chopped fiber product;
Wherein, oil bath drawing-off bath temperature is 60～80 DEG C, steam box temperature is 90～120 DEG C, nervous heat setting temperature is 130～160 DEG C, relaxation heat setting temperature is 120～150 DEG C, the relaxation heat setting time is 15～30 minutes, finally cuts into the chopped fiber of 38mm, 51mm, 65mm or 76mm length.
Wherein surface conditioning agent is one or more in vegetable oil, mineral oil, titanium coupling agent, stearic acid, aluminum coupling agent, silane coupler, phosphate coupling agent, aluminium titanium composite coupler.
Further, oil bath drawing-off bath temperature is 80 DEG C, and steam box temperature is 110 DEG C, and nervous heat setting temperature is 150 DEG C, and relaxation heat setting temperature is 140 DEG C, and the relaxation heat setting time is 25 minutes, finally cuts into the chopped fiber of 38mm length.
The method have the advantages that
1, in the mixed process of corn starch, polylactic acid, surface conditioning agent and ethylene glycol, by being initially charged corn starch and ethylene glycol, it is subsequently adding surface conditioning agent, is eventually adding polylactic acid, improve the compatibility between material, the impact of fiber strength is preferably minimized by it;
2, prior art is usually nano titanium oxide is added directly in polyester slice, or carried out simple surface modification, but nano titanium oxide is as inorganic component, it adds the intensity effect to polyester fiber clearly, the present invention adopts decamethylcyclopentaandoxane, utilizing the construction features that it is special, increasing the compatibility of titanium dioxide and polyester, thus the impact of fiber strength being preferably minimized titanium dioxide.
The concentration occurred in present specification, specification digest, claims, wt% is the percentage by weight relative to fabric, and if no special instructions, all the other are mass concentration, and percentage ratio is weight percentage.
Detailed description of the invention
Below in conjunction with specific embodiment, technical scheme is carried out more detailed introduction, but protection scope of the present invention is not limited thereto.
Embodiment 1:
(1) by corn starch, polylactic acid, ethylene glycol, aluminum coupling agent is that 80:10:8:2 joins in mixed at high speed blender according to weight ratio, rotating speed is 2500r/min, and stirring incorporation time is 30min, and wherein addition sequence is for being initially charged corn starch and ethylene glycol, add surface conditioning agent after stirring 5min, after stirring 10min, add polylactic acid; (2) polyester slice and decamethylcyclopentaandoxane, nano titanium oxide are joined in mixed at high speed blender, the weight ratio of three is 80:15:5, rotating speed is 2500r/min, stirring incorporation time is 30min, wherein addition sequence is for being initially charged decamethylcyclopentaandoxane and nano titanium oxide, adds polyester slice after stirring 5min; (3) material obtained in (1) and (2) is mixed in homogenizer, be kept stirring for down being warming up to 180 DEG C, then improve rotating speed to 4000r/min, continue stirring 20min, then turn off heating and continue stirring to mix homogeneously, then cooling discharging; (4) material of cooling discharging is placed in vacuum drum drying machine, at 90 DEG C of fully dry 15h; (5) dried material is carried out screw rod melt extruded and obtains melt, melt through filtering, metering spinning, ring quenching, winding oil, draw feeding, Sheng silk falls bucket; When material enters screw rod melt extruded, screw rod each district temperature controls between 260～310 DEG C, and screw rod head Stress control is at 10～18MPa, and melt enters fondant filter, and the drainage screen precision of filter is 250 orders, and the filtration gross area of filter is 12m2, filter temperature controls at 260～290 DEG C; Melt out enters spinning manifold through dosing pump metering afterwards from filter, extrudes precursor from spinneret, and before spinning manifold, pressure is maintained at 4MPaMPa, and spinning body temperature is maintained at 260 DEG C; The temperature of ring blowing is 15 DEG C, and wind speed is 0.6 meter per second; Winding speed is 800 ms/min; (6) fiber is carried out boundling process, through oil bath drawing-off, steam drafting, nervous thermal finalization, oil, folded silk, curling, relaxation heat setting, cut-out, packing, obtain uvioresistant chopped fiber product; Oil bath drawing-off bath temperature is 80 DEG C, and steam box temperature is 110 DEG C, and nervous heat setting temperature is 150 DEG C, and relaxation heat setting temperature is 140 DEG C, and the relaxation heat setting time is 25 minutes, finally cuts into the chopped fiber of 38mm length.
Embodiment 2:
(1) by corn starch, polylactic acid, ethylene glycol, aluminum coupling agent is that 80:10:8:2 joins in mixed at high speed blender according to weight ratio, rotating speed is 2500r/min, and stirring incorporation time is 20min, and wherein addition sequence is for being initially charged corn starch and ethylene glycol, add surface conditioning agent after stirring 5min, after stirring 10min, add polylactic acid; (2) polyester slice and decamethylcyclopentaandoxane, nano titanium oxide are joined in mixed at high speed blender, the weight ratio of three is 80:15:5, rotating speed is 2500r/min, stirring incorporation time is 30min, wherein addition sequence is for being initially charged decamethylcyclopentaandoxane and nano titanium oxide, adds polyester slice after stirring 5min; (3) material obtained in (1) and (2) is mixed in homogenizer, be kept stirring for down being warming up to 180 DEG C, then improve rotating speed to 4000r/min, continue stirring 30min, then turn off heating and continue stirring to mix homogeneously, then cooling discharging; (4) material of cooling discharging is placed in vacuum drum drying machine, at 100 DEG C of fully dry 12h; (5) dried material is carried out screw rod melt extruded and obtains melt, melt through filtering, metering spinning, ring quenching, winding oil, draw feeding, Sheng silk falls bucket; When material enters screw rod melt extruded, screw rod each district temperature controls between 260～310 DEG C, and screw rod head Stress control is at 10～18MPa, and melt enters fondant filter, and the drainage screen precision of filter is 250 orders, and the filtration gross area of filter is 12m2, filter temperature controls at 260～290 DEG C; Melt out enters spinning manifold through dosing pump metering afterwards from filter, extrudes precursor from spinneret, and before spinning manifold, pressure is maintained at 4MPaMPa, and spinning body temperature is maintained at 260 DEG C; The temperature of ring blowing is 32 DEG C, and wind speed is 2 meter per seconds; Winding speed is 1200 ms/min; (6) fiber is carried out boundling process, through oil bath drawing-off, steam drafting, nervous thermal finalization, oil, folded silk, curling, relaxation heat setting, cut-out, packing, obtain uvioresistant chopped fiber product; Oil bath drawing-off bath temperature is 80 DEG C, and steam box temperature is 110 DEG C, and nervous heat setting temperature is 150 DEG C, and relaxation heat setting temperature is 140 DEG C, and the relaxation heat setting time is 25 minutes, finally cuts into the chopped fiber of 38mm length.
According to the uvioresistant chopped fiber that embodiment 1 and 2 is produced, fibre number is 2.6～2.8dtex, ultimate strength >=6.5cN/dtex, elongation at break is 25～30%, average length is 38mm, 51mm, 65mm or 76mm, rate of ultraviolet shield >=90%, has the anti-ultraviolet function of excellence.
The above is the preferred embodiment of the present invention, it is noted that for the general technical staff of the art, under the premise without departing from the principles of the invention, it is also possible to make improvement and modification, and these improve and modification also should be regarded as protection scope of the present invention.
Claims (1)
1. a manufacture method for uvioresistant chopped fiber, it mainly adopts corn starch and polyester to be base stock, adds nano titanium oxide as anti ultraviolet agent, through melt spinning, it is characterised in that: its technical process is as follows:
(1) by corn starch, polylactic acid, ethylene glycol, surface conditioning agent is that 80:10:8:2 joins in mixed at high speed blender according to weight ratio, rotating speed is 2500r/min, and stirring incorporation time is 20～30min, and wherein addition sequence is for being initially charged corn starch and ethylene glycol, add surface conditioning agent after stirring 5min, after stirring 10min, add polylactic acid;
(2) polyester slice and decamethylcyclopentaandoxane, nano titanium oxide are joined in mixed at high speed blender, the weight ratio of three is 80:15:5, rotating speed is 2500r/min, stirring incorporation time is 20～30min, wherein addition sequence is for being initially charged decamethylcyclopentaandoxane and nano titanium oxide, adds polyester slice after stirring 5min;
(3) material obtained in (1) and (2) is mixed in homogenizer, it is kept stirring for down being warming up to 180 DEG C, then improves rotating speed to 4000r/min, continue stirring 20～30min, then turn off heating and continue stirring to mix homogeneously, then cooling discharging;
(4) material of cooling discharging is placed in vacuum drum drying machine, at 90～100 DEG C of fully dry 12～15h;
(5) dried material is carried out screw rod melt extruded and obtains melt, melt through filtering, metering spinning, ring quenching, winding oil, draw feeding, Sheng silk falls bucket; When material enters screw rod melt extruded, screw rod each district temperature controls between 260～310 DEG C, and screw rod head Stress control is at 10～18MPa, and melt enters fondant filter, the drainage screen precision of filter is 120～250 orders, and the filtration gross area of filter is 4.5～12m2, filter temperature controls at 260～290 DEG C; Melt out enters spinning manifold through dosing pump metering afterwards from filter, extrudes precursor from spinneret, and before spinning manifold, pressure is maintained at 4MPa～6MPa, and spinning body temperature is maintained at 260～290 DEG C; The temperature of ring blowing is 15～32 DEG C, and wind speed is 0.6～2 meter per second; Winding speed is 800～1200 ms/min;
(6) fiber is carried out boundling process, through oil bath drawing-off, steam drafting, nervous thermal finalization, oil, folded silk, curling, relaxation heat setting, cut-out, packing, obtain uvioresistant chopped fiber product;
Wherein, oil bath drawing-off bath temperature is 60～80 DEG C, steam box temperature is 90～120 DEG C, nervous heat setting temperature is 130～160 DEG C, relaxation heat setting temperature is 120～150 DEG C, the relaxation heat setting time is 15～30 minutes, finally cuts into the chopped fiber of 38mm, 51mm, 65mm or 76mm length.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510858542.7A CN105297182A (en) | 2014-11-29 | 2014-11-29 | Uvioresistant short fiber |
| CN201410703241.2A CN104372443B (en) | 2014-11-29 | 2014-11-29 | A kind of manufacture method of uvioresistant chopped fiber |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201410703241.2A CN104372443B (en) | 2014-11-29 | 2014-11-29 | A kind of manufacture method of uvioresistant chopped fiber |
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| CN201510858542.7A Division CN105297182A (en) | 2014-11-29 | 2014-11-29 | Uvioresistant short fiber |
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| Publication Number | Publication Date |
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| CN104372443A CN104372443A (en) | 2015-02-25 |
| CN104372443B true CN104372443B (en) | 2016-06-15 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510858542.7A Withdrawn CN105297182A (en) | 2014-11-29 | 2014-11-29 | Uvioresistant short fiber |
| CN201410703241.2A Active CN104372443B (en) | 2014-11-29 | 2014-11-29 | A kind of manufacture method of uvioresistant chopped fiber |
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| CN201510858542.7A Withdrawn CN105297182A (en) | 2014-11-29 | 2014-11-29 | Uvioresistant short fiber |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104846472B (en) * | 2015-05-13 | 2017-01-11 | 吴江市震宇缝制设备有限公司 | Stretch resistance composite fiber sewing thread |
| CN106360859A (en) * | 2016-11-29 | 2017-02-01 | 广西大学 | Cool textile fabric containing dandelion velvet fiber |
| WO2019218290A1 (en) * | 2018-05-17 | 2019-11-21 | 福建华彩新材料有限公司 | Process for preparing blended polymer fibers |
| CN108914217A (en) * | 2018-07-30 | 2018-11-30 | 广州迅磊科技有限公司 | A kind of sun-proof type polyester fiber and preparation method thereof |
| CN110714256A (en) * | 2019-10-31 | 2020-01-21 | 江苏金荣泰新材料科技有限公司 | Ultraviolet-proof and sun-proof fabric and production method thereof |
| CN110938881B (en) * | 2019-11-20 | 2020-12-22 | 浙江佳人新材料有限公司 | Production process of recyclable degradable fiber |
| CN111318183B (en) * | 2020-03-16 | 2022-02-01 | 福建滤冠新型材料科技有限公司 | Graphene nanofiber hollow filter rod and preparation method thereof |
| CN113417041B (en) * | 2021-06-24 | 2022-11-15 | 杭州惠丰化纤有限公司 | Elasticated CEY fiber and production process thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US20020168518A1 (en) * | 2001-05-10 | 2002-11-14 | The Procter & Gamble Company | Fibers comprising starch and polymers |
| CN102102241B (en) * | 2010-11-16 | 2013-02-27 | 南京工业职业技术学院 | Method for producing flame-retardant polyester staple fibers by utilizing recovered polyester bottle chips |
| US20130052901A1 (en) * | 2011-05-20 | 2013-02-28 | Eric Bryan Bond | Fiber of starch-polymer-oil compositions, methods of making and using the same |
| CN102277655A (en) * | 2011-08-10 | 2011-12-14 | 天津工业大学 | Manufacturing method of biodegradable starch-based fiber |
| CN102505182B (en) * | 2011-09-28 | 2013-12-11 | 南京工业职业技术学院 | Method for preparing functional ultraviolet-resistant polyester staple fiber from waste renewable polyester bottle chips |
| CN102675840A (en) * | 2011-12-02 | 2012-09-19 | 甘肃海河曜美生物科技有限公司 | Method for preparing plastic film capable of complete biodegradation |
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- 2014-11-29 CN CN201510858542.7A patent/CN105297182A/en not_active Withdrawn
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| CN105297182A (en) | 2016-02-03 |
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