CN104746164A - Preparation and application of near-infrared sunlight heat accumulation fibers - Google Patents
Preparation and application of near-infrared sunlight heat accumulation fibers Download PDFInfo
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- CN104746164A CN104746164A CN201310750604.3A CN201310750604A CN104746164A CN 104746164 A CN104746164 A CN 104746164A CN 201310750604 A CN201310750604 A CN 201310750604A CN 104746164 A CN104746164 A CN 104746164A
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Abstract
The invention discloses a preparation method of near-infrared sunlight heat accumulation fibers. The preparation method comprises the following steps: (1) by taking paraffin hydrocarbon as a capsule core and a urea-melamine-formaldehyde copolymer as a capsule wall, preparing a phase change material microcapsule with the diameter less than 10 microns by adopting an in-situ polymerization method; and (2) mixing the phase change material microcapsule and photothermal conversion ceramic micro-powder as functional increasing components with a polypropylene base material melt, spinning through a screw rod extruder and a box body assembly, and after spinning, carrying out air blowing cooling, applying oil, winding and forming to obtain the near-infrared sunlight heat accumulation fibers. The invention further discloses a preparation method of a cotton core taking the near-infrared sunlight heat accumulation fibers as raw materials. The preparation method comprises the following steps: obtaining mixed fibers, carrying out an opening picking procedure and a cotton carding procedure to obtain a sheet-shaped material, preparing a molding blank, and preparing a cotton core body and the cotton core. Home textile products produced by the near-infrared sunlight heat accumulation fibers disclosed by the invention have the functions of emitting near-infrared rays, adjusting temperatures, resisting bacteria and adsorbing peculiar smell and the like.
Description
Technical field
The present invention relates to a kind of preparation method of near-infrared sunlight thermal storage fiber and the cotton core preparation method that is raw material with it.
Background technology
Along with the progress of science and technology and the raising of market demands, new function chemical fibre dimension is constantly developed.Do one's utmost at field of Environment Protection in countries in the world simultaneously, and Recycling, saving resource have become global target direction, and the exploitation of function class textiles is also rooted in the hearts of the people, and people are to textiles demand also more and more personalization, functionalization, health care.
Summary of the invention
One of technical problem to be solved by this invention is for shortcomings and deficiencies of the prior art, and provide a kind of preparation method of near-infrared sunlight thermal storage fiber, the fiber that the method prepares has heat accumulation function, improves near infrared emission rate.
Two of technical problem to be solved by this invention is to provide a kind of cotton core preparation method being raw material with near-infrared sunlight thermal storage fiber, and the home textile product utilizing this cotton core to make adds that it is functional.
Technical problem solved by the invention can realize by the following technical solutions:
The preparation method of near-infrared sunlight thermal storage fiber, comprises the following steps:
(1), take paraffin hydrocarbon as capsule-core, urea-melamine-formaldehyde copolymer is cyst wall, employing situ aggregation method prepares the phase-change material micro-capsule that diameter is less than 10 μm, wherein, in obtained phase-change material micro-capsule, the weight ratio of paraffin is 57% ~ 69%, the amount of stored heat of phase-change material micro-capsule is 140 ~ 170J/g, and heat resisting temperature is less than 160 DEG C;
(2), using the phase-change material micro-capsule that obtains in step (1) and heat-storage micro mist after functional increase composition and polypropylene base melt mixed, spinning is carried out through screw extruder and box assembly, cooling is blown again after spinning, oil, winding shaping, obtain near-infrared sunlight thermal storage fiber, wherein, phase-change material micro-capsule weight ratio is 10% ~ 14%, the speed of spinning of spinning is 3200m/min, temperature in screw extruder is 250 DEG C ~ 290 DEG C, in box assembly, temperature is 230 DEG C ~ 280 DEG C, in box assembly, the aperture of spinnerets is 0.2 ~ 0.5mm, winding speed is 1000 ~ 1500m/min, quenching adopts stablizes horizontal quenching pattern, cooling air temperature is 17 ~ 25 DEG C.
With the cotton core preparation method that near-infrared sunlight thermal storage fiber is raw material, comprise the following steps:
(1) blended fiber is obtained after, adopting above-mentioned near-infrared sunlight thermal storage fiber to mix with fine count fiber, general fibre, wherein, near-infrared sunlight thermal storage fiber through curling process be spiral coiled structure, near-infrared sunlight thermal storage fiber weight proportion is 30% ~ 55%, fine count fiber weight proportion is 25% ~ 35%, and general fibre weight proportion is 10% ~ 45%;
(2), the blended fiber obtained in step (1) is carried out opening and cleaning step, carding step obtains sheet material;
(3), then by sheet material send in lapping machine and make crude green body, then crude green body is delivered to drying in oven formation shaping blank, its baking oven operating temperature is within the scope of 80 DEG C ~ 140 DEG C, and the time is 2 ~ 6 minutes;
(4), by shaping blank plate through natural lustre finishing machine, then through bead cutter finishing cotton core body, the operating temperature of its natural lustre finishing machine is within the scope of 100 DEG C ~ 145 DEG C;
(5), cotton core body is loaded in cotton core cover through sleeve loader carry out routine and make and shapingly namely obtain cotton core.
In a preferred embodiment of the invention, the Beater Speed of described opening and cleaning step is 300 ~ 460r/min, and hired roughneck and spacing of dirt rod are 18 ~ 25mm.
In a preferred embodiment of the invention, the cylinder speed of described carding step is 270r/min, and licker-in speed is 600r/min.
Owing to have employed technical scheme as above, the home textile product that near-infrared sunlight thermal storage fiber of the present invention is produced has far infrared transmission, regulates the function such as temperature, antibacterial adsorb peculiar smell, is that a new generation is ecological, health product.And the basis of near-infrared sunlight thermal storage fiber adds other fibers, the functionality advantage of various fiber is brought out the best in each other, also have good cost performance, and then made the cotton core class new product utilizing near-infrared sunlight thermal storage fiber to make have huge potential market, obtained good social effect surely.
Detailed description of the invention
The technological means realized to make the present invention, creation characteristic, reaching object and effect is easy to understand, below in conjunction with specific embodiment, setting forth the present invention further.
Embodiment 1
The preparation method of near-infrared sunlight thermal storage fiber, comprises the following steps:
(1), take paraffin hydrocarbon as capsule-core, urea-melamine-formaldehyde copolymer is cyst wall, employing situ aggregation method prepares the phase-change material micro-capsule that diameter is less than 10 μm, wherein, in obtained phase-change material micro-capsule, the weight ratio of paraffin is 57%, the amount of stored heat of phase-change material micro-capsule is 140J/g, and heat resisting temperature is 140 DEG C;
(2), using the phase-change material micro-capsule that obtains in step (1) and heat-storage micro mist after functional increase composition and polypropylene base melt mixed, spinning is carried out through screw extruder and box assembly, cooling is blown again after spinning, oil, winding shaping, obtain near-infrared sunlight thermal storage fiber, wherein, phase-change material micro-capsule weight ratio is 10%%, the speed of spinning of spinning is 3200m/min, temperature in screw extruder is 250 DEG C, in box assembly, temperature is 230 DEG C, in box assembly, the aperture of spinnerets is 0.2mm, winding speed is 1000m/min, quenching adopts stablizes horizontal quenching pattern, cooling air temperature is 18 DEG C.
With the cotton core preparation method that the near-infrared sunlight thermal storage fiber that embodiment 1 is obtained is raw material, comprise the following steps:
(1) blended fiber is obtained after, adopting the near-infrared sunlight thermal storage fiber of embodiment 1 to mix with fine count fiber, general fibre, wherein, near-infrared sunlight thermal storage fiber through curling process be spiral coiled structure, near-infrared sunlight thermal storage fiber weight proportion is 30%, fine count fiber weight proportion is 25%, and general fibre weight proportion is 45%;
(2), the blended fiber obtained in step (1) is carried out opening and cleaning step, carding step obtains sheet material, the Beater Speed of opening and cleaning step is 300r/min, hired roughneck and dirt rod space for 18mm, the cylinder speed of carding step is 270r/min, and licker-in speed is 600r/min;
(3), then by sheet material send in lapping machine and make crude green body, then crude green body is delivered to drying in oven formation shaping blank, its baking oven operating temperature is within the scope of 80 DEG C, and the time is 2 minutes;
(4), by shaping blank plate through natural lustre finishing machine, then through bead cutter finishing cotton core body, the operating temperature of its natural lustre finishing machine is within the scope of 100 DEG C;
(5), cotton core body is loaded in cotton core cover through sleeve loader carry out routine and make and shapingly namely obtain cotton core.
Embodiment 2
The preparation method of near-infrared sunlight thermal storage fiber, comprises the following steps:
(1), take paraffin hydrocarbon as capsule-core, urea-melamine-formaldehyde copolymer is cyst wall, employing situ aggregation method prepares the phase-change material micro-capsule that diameter is less than 10 μm, wherein, in obtained phase-change material micro-capsule, the weight ratio of paraffin is 69%, the amount of stored heat of phase-change material micro-capsule is 170J/g, and heat resisting temperature is 159 DEG C;
(2), using the phase-change material micro-capsule that obtains in step (1) and heat-storage micro mist after functional increase composition and polypropylene base melt mixed, spinning is carried out through screw extruder and box assembly, cooling is blown again after spinning, oil, winding shaping, obtain near-infrared sunlight thermal storage fiber, wherein, phase-change material micro-capsule weight ratio is 14%, the speed of spinning of spinning is 3200m/min, temperature in screw extruder is 290 DEG C, in box assembly, temperature is 280 DEG C, in box assembly, the aperture of spinnerets is 0.5mm, winding speed is 1500m/min, quenching adopts stablizes horizontal quenching pattern, cooling air temperature is 21 DEG C.
With the cotton core preparation method that the near-infrared sunlight thermal storage fiber that embodiment 2 is obtained is raw material, comprise the following steps:
(1) blended fiber is obtained after, adopting the near-infrared sunlight thermal storage fiber of embodiment 2 to mix with fine count fiber, general fibre, wherein, near-infrared sunlight thermal storage fiber through curling process be spiral coiled structure, near-infrared sunlight thermal storage fiber weight proportion is 55%, fine count fiber weight proportion is 35%, and general fibre weight proportion is 10%;
(2), the blended fiber obtained in step (1) is carried out opening and cleaning step, carding step obtains sheet material, the Beater Speed of opening and cleaning step is 460r/min, hired roughneck and dirt rod space for 25mm, the cylinder speed of carding step is 270r/min, and licker-in speed is 600r/min;
(3), then by sheet material send in lapping machine and make crude green body, then crude green body is delivered to drying in oven formation shaping blank, its baking oven operating temperature is within the scope of 140 DEG C, and the time is 6 minutes;
(4), by shaping blank plate through natural lustre finishing machine, then through bead cutter finishing cotton core body, the operating temperature of its natural lustre finishing machine is within the scope of 145 DEG C;
(5), cotton core body is loaded in cotton core cover through sleeve loader carry out routine and make and shapingly namely obtain cotton core.
Embodiment 3
The preparation method of near-infrared sunlight thermal storage fiber, comprises the following steps:
(1), take paraffin hydrocarbon as capsule-core, urea-melamine-formaldehyde copolymer is cyst wall, employing situ aggregation method prepares the phase-change material micro-capsule that diameter is less than 10 μm, wherein, in obtained phase-change material micro-capsule, the weight ratio of paraffin is 63%, the amount of stored heat of phase-change material micro-capsule is 155J/g, and heat resisting temperature is 150 DEG C;
(2), using the phase-change material micro-capsule that obtains in step (1) and heat-storage micro mist after functional increase composition and polypropylene base melt mixed, spinning is carried out through screw extruder and box assembly, cooling is blown again after spinning, oil, winding shaping, obtain near-infrared sunlight thermal storage fiber, wherein, phase-change material micro-capsule weight ratio is 12%, the speed of spinning of spinning is 3200m/min, temperature in screw extruder is 270 DEG C, in box assembly, temperature is 255 DEG C, in box assembly, the aperture of spinnerets is 0.35mm, winding speed is 1250m/min, quenching adopts stablizes horizontal quenching pattern, cooling air temperature is 24 DEG C.
With the cotton core preparation method that the near-infrared sunlight thermal storage fiber that embodiment 3 is obtained is raw material, comprise the following steps:
(1) blended fiber is obtained after, adopting the near-infrared sunlight thermal storage fiber of embodiment 3 to mix with fine count fiber, general fibre, wherein, near-infrared sunlight thermal storage fiber through curling process be spiral coiled structure, near-infrared sunlight thermal storage fiber weight proportion is 47%, fine count fiber weight proportion is 30%, and general fibre weight proportion is 23%;
(2), the blended fiber obtained in step (1) is carried out opening and cleaning step, carding step obtains sheet material, the Beater Speed of opening and cleaning step is 380r/min, hired roughneck and dirt rod space for 22mm, the cylinder speed of carding step is 270r/min, and licker-in speed is 600r/min;
(3), then by sheet material send in lapping machine and make crude green body, then crude green body is delivered to drying in oven formation shaping blank, its baking oven operating temperature is within the scope of 110 DEG C, and the time is 4 minutes;
(4), by shaping blank plate through natural lustre finishing machine, then through bead cutter finishing cotton core body, the operating temperature of its natural lustre finishing machine is within the scope of 120 DEG C;
(5), cotton core body is loaded in cotton core cover through sleeve loader carry out routine and make and shapingly namely obtain cotton core.
Major function and the technical indicator of near-infrared sunlight thermal storage fiber obtained in the various embodiments described above are as follows:
Bulking intensity: 78cm
2/ g;
Compression ratio: 70%;
Insulation rate: 86%;
Air penetrability: 42mm/s.
The quantity of heat storage of microcapsules is at 140 ~ 170J/g;
Near infrared emission rate: near infrared ray launches >=90%.
More than show and describe general principle of the present invention and principal character and advantage of the present invention.The technical staff of the industry should understand; the present invention is not restricted to the described embodiments; what describe in above-described embodiment and description just illustrates principle of the present invention; without departing from the spirit and scope of the present invention; the present invention also has various changes and modifications, and these changes and improvements all fall in the claimed scope of the invention.Application claims protection domain is defined by appending claims and equivalent thereof.
Claims (4)
1. the preparation method of near-infrared sunlight thermal storage fiber, is characterized in that, comprises the following steps:
(1), take paraffin hydrocarbon as capsule-core, urea-melamine-formaldehyde copolymer is cyst wall, employing situ aggregation method prepares the phase-change material micro-capsule that diameter is less than 10 μm, wherein, in obtained phase-change material micro-capsule, the weight ratio of paraffin is 57% ~ 69%, the amount of stored heat of phase-change material micro-capsule is 140 ~ 170J/g, and heat resisting temperature is less than 160 DEG C;
(2), using the phase-change material micro-capsule that obtains in step (1) and heat-storage micro mist after functional increase composition and polypropylene base melt mixed, spinning is carried out through screw extruder and box assembly, cooling is blown again after spinning, oil, winding shaping, obtain near-infrared sunlight thermal storage fiber, wherein, phase-change material micro-capsule weight ratio is 10% ~ 14%, the speed of spinning of spinning is 3200m/min, temperature in screw extruder is 250 DEG C ~ 290 DEG C, in box assembly, temperature is 230 DEG C ~ 280 DEG C, in box assembly, the aperture of spinnerets is 0.2 ~ 0.5mm, winding speed is 1000 ~ 1500m/min, quenching adopts stablizes horizontal quenching pattern, cooling air temperature is 17 ~ 25 DEG C.
2., with the cotton core preparation method that near-infrared sunlight thermal storage fiber is raw material, it is characterized in that, comprise the following steps:
(1) blended fiber is obtained after, adopting near-infrared sunlight thermal storage fiber as claimed in claim 1 to mix with fine count fiber, general fibre, wherein, near-infrared sunlight thermal storage fiber through curling process be spiral coiled structure, near-infrared sunlight thermal storage fiber weight proportion is 30% ~ 55%, fine count fiber weight proportion is 25% ~ 35%, and general fibre weight proportion is 10% ~ 45%;
(2), the blended fiber obtained in step (1) is carried out opening and cleaning step, carding step obtains sheet material;
(3), then by sheet material send in lapping machine and make crude green body, then crude green body is delivered to drying in oven formation shaping blank, its baking oven operating temperature is within the scope of 80 DEG C ~ 140 DEG C, and the time is 2 ~ 6 minutes;
(4), by shaping blank plate through natural lustre finishing machine, then through bead cutter finishing cotton core body, the operating temperature of its natural lustre finishing machine is within the scope of 100 DEG C ~ 145 DEG C;
(5), cotton core body is loaded in cotton core cover through sleeve loader carry out routine and make and shapingly namely obtain cotton core.
3. the cotton core preparation method being raw material with near-infrared sunlight thermal storage fiber as claimed in claim 2, it is characterized in that, the Beater Speed of described opening and cleaning step is 300 ~ 460r/min, and hired roughneck and spacing of dirt rod are 18 ~ 25mm.
4. the cotton core preparation method being raw material with near-infrared sunlight thermal storage fiber as claimed in claim 2, it is characterized in that, the cylinder speed of described carding step is 270r/min, and licker-in speed is 600r/min.
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| CN201310750604.3A CN104746164A (en) | 2013-12-31 | 2013-12-31 | Preparation and application of near-infrared sunlight heat accumulation fibers |
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Cited By (7)
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| CN106637921A (en) * | 2016-09-30 | 2017-05-10 | 东华大学 | Polyacrylonitrile/copper sulphide photo-thermal nanofiber fabric and production method and application thereof |
| CN107022801A (en) * | 2016-01-29 | 2017-08-08 | 上海水星家用纺织品股份有限公司 | A kind of preparation method of accumulation of heat constant temperature fiber and its method for preparing fabric |
| CN108148557A (en) * | 2017-12-12 | 2018-06-12 | 同济大学 | A kind of preparation method of the enhanced self-adjustable temperature material based on Decanol/lauric acid phase-change microcapsule |
| CN109536137A (en) * | 2018-11-13 | 2019-03-29 | 中国矿业大学 | Phase-change microcapsule and preparation method thereof a kind of while that there is magnetism and photothermal conversion characteristic |
| CN110343511A (en) * | 2019-07-31 | 2019-10-18 | 北京林业大学 | A kind of nano-zirconium carbide modified paraffin phase-change microcapsule and preparation method thereof |
| CN110771977A (en) * | 2019-11-08 | 2020-02-11 | 李宁（中国）体育用品有限公司 | Clothing capable of adjusting body sensing temperature and manufacturing method thereof |
| CN112981580A (en) * | 2021-02-07 | 2021-06-18 | 上海烯纺新材料科技有限公司 | Hollow graphene polypropylene thermal insulation fiber and preparation method thereof |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107022801A (en) * | 2016-01-29 | 2017-08-08 | 上海水星家用纺织品股份有限公司 | A kind of preparation method of accumulation of heat constant temperature fiber and its method for preparing fabric |
| CN106637921A (en) * | 2016-09-30 | 2017-05-10 | 东华大学 | Polyacrylonitrile/copper sulphide photo-thermal nanofiber fabric and production method and application thereof |
| CN106637921B (en) * | 2016-09-30 | 2019-06-04 | 东华大学 | A kind of polyacrylonitrile/copper sulfide photo-thermal nano-fiber cloth and its preparation and application |
| CN108148557A (en) * | 2017-12-12 | 2018-06-12 | 同济大学 | A kind of preparation method of the enhanced self-adjustable temperature material based on Decanol/lauric acid phase-change microcapsule |
| CN109536137A (en) * | 2018-11-13 | 2019-03-29 | 中国矿业大学 | Phase-change microcapsule and preparation method thereof a kind of while that there is magnetism and photothermal conversion characteristic |
| CN110343511A (en) * | 2019-07-31 | 2019-10-18 | 北京林业大学 | A kind of nano-zirconium carbide modified paraffin phase-change microcapsule and preparation method thereof |
| CN110771977A (en) * | 2019-11-08 | 2020-02-11 | 李宁（中国）体育用品有限公司 | Clothing capable of adjusting body sensing temperature and manufacturing method thereof |
| CN112981580A (en) * | 2021-02-07 | 2021-06-18 | 上海烯纺新材料科技有限公司 | Hollow graphene polypropylene thermal insulation fiber and preparation method thereof |
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