CN103088459B - Polyamide-based cooling fiber and yarn - Google Patents
Polyamide-based cooling fiber and yarn Download PDFInfo
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- CN103088459B CN103088459B CN201310048539.XA CN201310048539A CN103088459B CN 103088459 B CN103088459 B CN 103088459B CN 201310048539 A CN201310048539 A CN 201310048539A CN 103088459 B CN103088459 B CN 103088459B
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Abstract
The invention relates to functional fiber and particularly relates to polyamide-based cooling fiber and yarn. The polyamide-based cooling fiber is prepared by the following method: (1) taking cooling masterbatch as a raw material, and cutting the cooling masterbatch into slices; (2) drying the slices; and (3) spinning the slices through a spinning box to produce the polyamide-based cooling fiber, wherein a formula for the cooling masterbatch comprises the following components: PA6, jade powder, zirconium dioxide powder, silica powder, stearic acid dispersant, polystyrene dispersant, low molecular wax dispersant and titanate coupling agent. The polyamide-based cooling fiber and yarn have the functions of fast heat absorption and fast heat dissipation so as to ensure lasting cooling characteristic.
Description
Technical field
The present invention relates to functional fiber, relate in particular to a kind of polyamide fibre base cooling fiber, yarn.
Background technology
Along with constantly becoming more meticulous of the division of labor in society, many production fields require more and more higher to clothes, except workshop requires dustlessization, also require operating personnel to dress from top to bottom tightly, this certainly will make troubles to operating personnel's snugness of fit, especially during the broiling summer, this problem is more obvious.In order to improve the snugness of fit of clothes, people have carried out a large amount of comfortableness research to fabric, and the application of dress material of wherein lowering the temperature is undoubtedly much-talked-about topic in recent years in the research of protective clothing.For addressing the above problem, people have expected developing a kind of fibrous material with cooling function---jade fiber.Jade in jade fiber contains abundant mineral matter, sticks on for a long time on human body skin, can improve blood microcirculation, enhances metabolism, thereby plays prevent disease, eliminate tired effect.
Application number is 200910056490.6 Chinese invention patent, a kind of jade fiber and flax fiber blended yarn and preparation method thereof are disclosed, in described blended yarn, the weight content of jade fiber accounts for 20～22%, the weight content of linen fibre accounts for 78～80%, the twist of blended yarn is 22.5～23T/inch, brute force is 280～300CN, and percentage elongation is 4.5～6%.
Although jade fiber has nice and cool characteristic, after the long-time dress of fabric that this fiber is made, temperature can, along with constantly rising with skin contact, be difficult to the cooling characteristic that keeps lasting.
Summary of the invention
The object of the invention is for solving the problems of the technologies described above, a kind of polyamide fibre base cooling fiber is provided, this fiber also has anti-ultraviolet function simultaneously.
Above-mentioned technical purpose of the present invention is achieved by the following technical programs:
Polyamide fibre base cooling fiber, it is prepared by following methods:
(1) taking cooling masterbatch as raw material, make section;
(2) section is dried: 150～170 DEG C of baking temperatures, 10～14 hours drying times, make to cut into slices below the moisture 30PPM of being down to;
(3) by manifold, section is carried out to spinning and make polyamide fibre base cooling fiber: section forms spinning melt thread in manifold after heating, melt thread is after the spinnerets ejection of manifold, releases heat towards periphery immediately, thus make melt thread cooling curing, form fiber; Concrete technology is as follows: 1. heating, multiple temperature sections interval is set in manifold, and interval temperature raises successively gradually, and initial temperature is made as 220～230 DEG C, and outlet temperature is made as 275～285 DEG C, and the temperature control of heating agent biphenyl is 280～290 DEG C; 2. cooling, the delay height setting of spinnerets is 45～50mm, and it is 1200～1550mm that window height setting is blown in survey, and lateral blowing temperature is made as 22～27 DEG C, and wind speed is controlled at 0.3～0.5m/s, and relative humidity is controlled at 65～75%;
Described cooling masterbatch formula is: PA6 is 65～70 weight portions, jade powder 10～15 weight portions, zirconium dioxide powder 3～5 weight portions, silicon-dioxide powdery 8～10 weight portions, stearic acid dispersant 1～3 weight portion, polystyrene dispersant 2～4 weight portions, low-molecular-weight wax dispersant 2～4 weight portions, titanate coupling agent 1～3 weight portion.
In technique scheme of the present invention, the quality of cooling masterbatch is directly connected to the quality of cooling fiber performance, and the present invention mainly selects cooling material, dispersant, coupling agent in cooling masterbatch, determines best master batch mix proportion scheme.The selection nature of cooling material discharges the in addition permutation and combination of mineral of cool feeling, be added in spinning process, and in fiber because including the ore (inorganic particle) of the cold element of release, reach the fast and instantaneous contact cool feeling of rate of heat dispation.But single ore physical characteristic is " heat absorption fast, heat radiation also fast ", for realizing long contact cool feeling, must realize the absorb heat characteristic of slow rapid heat dissipation of fiber.Therefore need cooling material powder to carry out composite, by utilizing instantaneous coolness, zirconium dioxide and the silica body surface area of jade large, the characteristics such as rapid heat dissipation, realize the cooling-down effect of final products.Dispersant, coupling agent etc. are also larger to the Influence of production of cooling masterbatch.
In technique scheme of the present invention, cooling masterbatch is taking PA6 as main body, and the hygroscopicity of itself cutting into slices is better, adds after cooling powder, has increased the moisture pick-up properties (this is also the importance that coolness embodies, and the moisture content of fiber is higher, and cool feeling degree is also more obvious) of section.But the existence of moisture content can make cooling section be hydrolyzed in spinning process, the silk that causes wafing, broken end, can not spinning seriously time; In addition, a small amount of moisture content can at high temperature form steam bubble, is clipped in strand, becomes weak link, causes equally waft silk, broken end etc. when serious.Therefore must strengthen chip drying.The present invention requires after cooling section drying operation, moisture being down to below 30PPM.
In technique scheme of the present invention, the base polymer PA6 fusing point of cooling masterbatch is 225 DEG C, but makes its rheological property and pure PA6 have larger difference because cooling masterbatch adds a large amount of time micron mineral powders, and both best spinning temperatures have different.The apparent viscosity of cooling masterbatch is high.In the trial production of composite fibre, the time of staying of cooling masterbatch melt in pipeline is longer.In order to ensure that two components compound tense viscosity differences in assembly approaches, to improve the viscosity of its section on the one hand, provide larger viscosity to fall space, its melt is approached at the rheological property of assembly and the rheological property of PA6 melt, to reduce spinning temperature, to reduce its degraded simultaneously.Therefore the present invention taked multistage interval heat up gradually heating mode.
In technique scheme of the present invention, in spinning process, cooling forming is an important step.Select a suitable cooling forming condition, and to keep it stable be the important means that reduces fiber yarn unevenness, improves fiber quality.Spinning melt thread after spinnerets ejection, medium releases heat towards periphery immediately, thus make melt thread cooling curing, form fiber.The process of the heat exchange between melt thread and air cooling medium directly affects stable and curing area stable etc. of uniformity, the configuration of surface of VELOCITY DISTRIBUTION, the fibre structure of dynamic analysis of spinning.So select suitable, stable cooling condition, the cooling fiber tool that carries out smoothly and finally obtain high-quality in cooling fiber forming process be of great significance.The uniformity variation of quality impact larger, too high, too low tensile property and the fibre structure that all can make fiber of wind speed, wind-warm syndrome and the rheumatism of lateral blowing on cooling forming process and strand, thus fiber quality affected.By test of many times, lateral blowing Temperature Setting is at 22～27 DEG C.Same reason, lateral blowing wind speed should not be too high, and in cooling fiber spinning process, we control lateral blowing wind speed at 0.3～0.5m/s.
As technique scheme preferably, in step (2), the compressed air dew point when dry is-58～-62 DEG C.
As technique scheme preferably, in step (2), the compressed air dew point when dry is-59～-61 DEG C.
As technique scheme preferably, in step (2), the compressed air dew point when dry is-60 DEG C.
As technique scheme preferably, described polystyrene dispersant is modified polystyrene dispersant.
As technique scheme preferably, step (3) concrete technology is as follows: 1. heating, 3,4,5,6 or 7 temperature section intervals are set in manifold, interval temperature raises successively gradually, initial temperature is made as 220～230 DEG C, outlet temperature is made as 275～285 DEG C, and the temperature control of heating agent biphenyl is 280～290 DEG C; 2. cooling, the delay height setting of spinnerets is 45～48mm, and it is 1350～1550mm that window height setting is blown in survey, and lateral blowing temperature is made as 23～26 DEG C, and wind speed is controlled at 0.3～0.5m/s, and relative humidity is controlled at 66～73%.
As technique scheme preferably, step (3) concrete technology is as follows: 1. heating, 3,4,5,6 or 7 temperature section intervals are set in manifold, interval temperature raises successively gradually, initial temperature is made as 220～230 DEG C, outlet temperature is made as 275～285 DEG C, and the temperature control of heating agent biphenyl is 280～290 DEG C; 2. cooling, the delay height setting of spinnerets is 45～48mm, and it is 1450～1550mm that window height setting is blown in survey, and lateral blowing temperature is made as 24～25 DEG C, and wind speed is controlled at 0.3～0.5m/s, and relative humidity is controlled at 68～72%.
As technique scheme preferably, step (3) concrete technology is as follows: 1. heating, 3,4,5,6 or 7 temperature section intervals are set in manifold, interval temperature raises successively gradually, initial temperature is made as 220～230 DEG C, outlet temperature is made as 275～285 DEG C, and the temperature control of heating agent biphenyl is 280～290 DEG C; 2. cooling, the delay height setting of spinnerets is 46mm, and it is 1500mm that window height setting is blown in survey, and lateral blowing temperature is made as 22～27 DEG C, and wind speed is controlled at 0.3～0.5m/s, and relative humidity is controlled at 70%.
As technique scheme preferably, described cooling masterbatch formula is: PA6 is 65～68 weight portions, jade powder 10～13 weight portions, zirconium dioxide powder 3～5 weight portions, silicon-dioxide powdery 8～9 weight portions, stearic acid dispersant 1～3 weight portion, polystyrene dispersant 2～4 weight portions, low-molecular-weight wax dispersant 2～4 weight portions, titanate coupling agent 1～3 weight portion.
As technique scheme preferably, described cooling masterbatch formula is:: PA6 is 66 weight portions, jade powder 12 weight portions, zirconium dioxide powder 4 weight portions, silicon-dioxide powdery 8 weight portions, stearic acid dispersant 2 weight portions, polystyrene dispersant 3 weight portions, low-molecular-weight wax dispersant 3 weight portions, titanate coupling agent 2 weight portions.
Of the present invention also have an object to be to provide a kind of polyamide fibre base cooling fiber yarn.
A kind of polyamide fibre base cooling fiber blended yarn, it is to prepare by the following method: adopt match network spinning process by cotton fibre and be spun into blended yarn by described polyamide fibre base cooling fiber, concrete technology is as follows, regular roving feeding 2.5～3.0g/10m, twist factor 120～125, spun yarn horn mouth centre-to-centre spacing 3.0～4.5mm, spun yarn twist factor 400～420, spun yarn front roller speed 135～155r/min; Wherein, the ratio of cooling fiber and cotton fiber is 3 ︰ 7～6 ︰ 4.
The height of cooling fiber content directly has influence on the quality of fabric cooling-down effect, and content is higher, and finished product fabric cooling-down effect is more remarkable, can increase production cost and affect feel but increase cooling fiber content.Therefore need cooling fiber and cotton fiber blending ratio to carry out preferably, making final finished fabric there is good cooling-down effect, can save again production cost.
As technique scheme preferably, the ratio of cooling fiber and cotton fiber is 4 ︰ 6～5 ︰ 5.
As technique scheme preferably, concrete technology is as follows, regular roving feeding 2.6～2.9g/10m, twist factor 120～123, spun yarn horn mouth centre-to-centre spacing 3.2～4.2mm, spun yarn twist factor 405～415, spun yarn front roller speed 140～155r/min.
As technique scheme preferably, step (4) concrete technology is as follows: regular roving feeding 2.8～2.9g/10m, twist factor 120～123, spun yarn horn mouth centre-to-centre spacing 3.8～4.2mm, spun yarn twist factor 410～412, spun yarn front roller speed 148～152r/min.
As technique scheme preferably, step (4) concrete technology is as follows: regular roving feeding 2.8g/10m, twist factor 121, spun yarn horn mouth centre-to-centre spacing 4.0mm, spun yarn twist factor 410～412, spun yarn front roller speed 150r/min.
In technique scheme of the present invention, adopt well technique effect of Siro-spun yarn.Because two rove are simultaneously drafted, play certain amalgamation with Siro-spun yarn, two coring bars make up mutually, improve bar dry, reach the object that reduces details, slubbing.Meanwhile, the yarn after two velamen drawing-offs is in twisting process, and single yarn adds after a little twist, then mutually, twist and be combined into one and match doff, like this filoplume winding on single yarn is entered in yarn, and then improves resultant yarn plumage.Match doff has strand feature, and fiber alignment is regular, and therefore yarn strength is also very high.It is that two rove feed Spinning Draft Zone simultaneously that match network spins, if will be spun into the yarn of certain fineness, just must make regular roving feeding significantly reduce.Regular roving feeding is too small, and can make rove in unwinding process, produce unexpected elongation even and interrupt, thus must increase roving twist factor, to increase the intensity of rove, but the excessive rear road spinning process that can affect again of roving twist factor.Therefore, in spinning process, adopt that regular roving feeding is partially light, twist factor design bigger than normal.
Horn mouth centre-to-centre spacing is one of important technical parameter of spinning of match network, and horn mouth centre-to-centre spacing has been determined the distance of the two parallel feeding of rove draw zones.Strand spacing is larger, and it is more obvious that match network spins advantage, but spacing also will be subject to the restriction of spun yarn roller width, and spacing is crossed conference makes yarn in the limit of drawing-off roller portion, affects the purchase capabilities of roller to sliver, thereby affects yarn quality.
Fibre cohesion between cooling fiber and cotton fiber is general, and the twist that match network spins on single yarn is lower, causes interfibrous cohesive force poorer, more easily occurs the generation of single broken end phenomenon.Therefore,, in the time spinning cooling fiber and cotton fiber spun yarn, twist factor should processing bigger than normal.While is very little because match network spins regular roving feeding, and the drafting multiple that the single yarn in draw zone is subject to is larger again, easily causes sliver easily to break end before twisting, therefore needs to reduce spun yarn spinning speed.
As technique scheme preferably, the ratio of cooling fiber and cotton fiber is 4 ︰ 6～5 ︰ 5.
The present invention has following technique effect:
(1) cooling masterbatch preferably: for the feature of single ore " heat absorption is fast, heat radiation is also fast ", for realizing long contact cool feeling, cooling material powder is carried out suitable composite; By utilizing coolness, zirconium dioxide and the silica body surface area of jade large, rapid heat dissipation, makes the final products fast rapid heat dissipation that absorbs heat, and reaches cooling object;
(2) optimization of spinning technique: good for cooling masterbatch moisture pick-up properties, adjust section drying process condition; For the difference of cooling masterbatch and PA6 section rheological property, spinning temperature is adjusted; For the feature of cooling spinning melt, strengthen the control to cooling condition, reduce fiber yarn unevenness, improve fibrous finished product quality;
(3) selection of blending ratio: the height of cooling fiber content directly has influence on the quality of fabric cooling-down effect, and content is higher, finished product fabric cooling-down effect is more remarkable, can increase production cost and affect feel but increase cooling fiber content; By cooling fiber and cotton fiber blending ratio are carried out preferably, making final finished fabric have good cooling-down effect, can save again production cost;
(4) improvement of spinning process: for the feature of cooling fiber, cooling fiber/cotton fiber match network is spun to the adjustment of technological parameters such as carrying out regular roving feeding, twist factor, spun yarn horn mouth centre-to-centre spacing, ensured yarn evenness good uniformity, filoplume is few, intensity is high;
(5) the present invention also has anti-ultraviolet function.
Brief description of the drawings
Fig. 1 is the fabric performance index contrast table being made under the different blending of cooling fiber/cotton fiber;
Fig. 2 is that cooling fiber/cotton fiber match network spins the contrast table of middle different horn mouth centre-to-centre spacing to yarn quality;
Fig. 3 is product key property and the temperature reduction performance testing result table of the embodiment of the present invention 6;
Fig. 4 is the product uvioresistant performance testing result table of the embodiment of the present invention 6.
Detailed description of the invention
This detailed description of the invention is only explanation of the invention; it is not the restriction to invention; those skilled in the art are reading after this description and can make any amendment to the present embodiment as required, but as long as within the scope of claim of the present invention, are all subject to the protection of Patent Law.
Embodiment 1
Cooling masterbatch formula is: PA6 is 65 weight portions, jade powder 10 weight portions, zirconium dioxide powder 3 weight portions, silicon-dioxide powdery 8 weight portions, stearic acid dispersant 1 weight portion, modified polystyrene dispersant 2 weight portions, low-molecular-weight wax dispersant 2 weight portions, titanate coupling agent 1 weight portion.
Polyamide fibre base cooling fiber, made by following methods:
(1) taking cooling masterbatch as raw material, make section;
(2) section is dried: 150 DEG C of baking temperatures, 10 hours drying times, the compressed air dew point when dry is-58 DEG C, makes to cut into slices below the moisture 30PPM of being down to;
(3) by manifold, section is carried out to spinning and make polyamide fibre base cooling fiber: section forms spinning melt thread in manifold after heating, melt thread is after the spinnerets ejection of manifold, releases heat towards periphery immediately, thus make melt thread cooling curing, form fiber; Concrete technology is as follows: 1. heating, 3 temperature section intervals are set in manifold, and interval temperature raises successively gradually, and initial temperature is made as 220 DEG C, and outlet temperature is made as 275 DEG C, and the temperature control of heating agent biphenyl is 280～290 DEG C; 2. cooling, the delay height setting of spinnerets is 45mm, and it is 1200mm that window height setting is blown in survey, and lateral blowing temperature is made as 22 DEG C, and wind speed is controlled at 0.3m/s, and relative humidity is controlled at 65%.
Polyamide fibre base cooling fiber yarn, made by following methods:
Adopt match network spinning process that cotton fibre and polyamide fibre base cooling fiber are spun into blended yarn: regular roving feeding 2.5g/10m, twist factor 120, spun yarn horn mouth centre-to-centre spacing 3.0mm, spun yarn twist factor 400, spun yarn front roller speed 135r/min; The ratio of cooling fiber and cotton fiber is 3 ︰ 7.
Embodiment 2
Cooling masterbatch formula is: PA6 is 66 weight portions, jade powder 12 weight portions, zirconium dioxide powder 4 weight portions, silicon-dioxide powdery 4 weight portions, stearic acid dispersant 2 weight portions, modified polystyrene dispersant 3 weight portions, low-molecular-weight wax dispersant 3 weight portions, titanate coupling agent 2 weight portions.
Polyamide fibre base cooling fiber, made by following methods:
(1) taking cooling masterbatch as raw material, make section;
(2) section is dried: 160 DEG C of baking temperatures, 12 hours drying times, the compressed air dew point when dry is-60 DEG C, makes to cut into slices below the moisture 30PPM of being down to;
(3) by manifold, section is carried out to spinning and make polyamide fibre base cooling fiber: section forms spinning melt thread in manifold after heating, melt thread is after the spinnerets ejection of manifold, releases heat towards periphery immediately, thus make melt thread cooling curing, form fiber; Concrete technology is as follows: 1. heating, 5 temperature section intervals are set in manifold, and interval temperature raises successively gradually, and initial temperature is made as 225 DEG C, and outlet temperature is made as 280 DEG C, and the temperature control of heating agent biphenyl is 280～290 DEG C; 2. cooling, the delay height setting of spinnerets is 46mm, and it is 1500mm that window height setting is blown in survey, and lateral blowing temperature is made as 25 DEG C, and wind speed is controlled at 0.4m/s, and relative humidity is controlled at 70%.
Polyamide fibre base cooling fiber yarn, has following methods to make:
Adopt match network spinning process that cotton fibre and polyamide fibre base cooling fiber are spun into blended yarn: regular roving feeding 2.8g/10m, twist factor 121, spun yarn horn mouth centre-to-centre spacing 4.0mm, spun yarn twist factor 410, spun yarn front roller speed 150r/min; The ratio of cooling fiber and cotton fiber is 4 ︰ 6.
Embodiment 3
Cooling masterbatch formula is: PA6 is 70 weight portions, jade powder 15 weight portions, zirconium dioxide powder 5 weight portions, silicon-dioxide powdery 10 weight portions, stearic acid dispersant 3 weight portions, modified polystyrene dispersant 4 weight portions, low-molecular-weight wax dispersant 4 weight portions, titanate coupling agent 3 weight portions.
Polyamide fibre base cooling fiber, made by following methods:
(1) taking cooling masterbatch as raw material, make section;
(2) section is dried: 170 DEG C of baking temperatures, 14 hours drying times, the compressed air dew point when dry is-62 DEG C, makes to cut into slices below the moisture 30PPM of being down to;
(3) by manifold, section is carried out to spinning and make polyamide fibre base cooling fiber: section forms spinning melt thread in manifold after heating, melt thread is after the spinnerets ejection of manifold, releases heat towards periphery immediately, thus make melt thread cooling curing, form fiber; Concrete technology is as follows: 1. heating, 5 temperature section intervals are set in manifold, and interval temperature raises successively gradually, and initial temperature is made as 230 DEG C, and outlet temperature is made as 285 DEG C, and the temperature control of heating agent biphenyl is 280～290 DEG C; 2. cooling, the delay height setting of spinnerets is 50mm, and it is 1550mm that window height setting is blown in survey, and lateral blowing temperature is made as 27 DEG C, and wind speed is controlled at 0.5m/s, and relative humidity is controlled at 75%.
Polyamide fibre base cooling fiber yarn, prepared by following methods:
Adopt match network spinning process that cotton fibre and polyamide fibre base cooling fiber are spun into blended yarn: regular roving feeding 3.0g/10m, twist factor 125, spun yarn horn mouth centre-to-centre spacing 4.5mm, spun yarn twist factor 420, spun yarn front roller speed 155r/min; The ratio of cooling fiber and cotton fiber is 6 ︰ 4.
Embodiment 4
Cooling masterbatch formula is: PA6 is 68 weight portions, jade powder 415 weight portions, zirconium dioxide powder 5 weight portions, silicon-dioxide powdery 10 weight portions, stearic acid dispersant 3 weight portions, modified polystyrene dispersant 4 weight portions, low-molecular-weight wax dispersant 4 weight portions, titanate coupling agent 3 weight portions.
Polyamide fibre base cooling fiber, made by following methods:
(1) taking cooling masterbatch as raw material, make section;
(2) section is dried: 165 DEG C of baking temperatures, 12 hours drying times, the compressed air dew point when dry is-62 DEG C, makes to cut into slices below the moisture 30PPM of being down to;
(3) by manifold, section is carried out to spinning and make polyamide fibre base cooling fiber: section forms spinning melt thread in manifold after heating, melt thread is after the spinnerets ejection of manifold, releases heat towards periphery immediately, thus make melt thread cooling curing, form fiber; Concrete technology is as follows: 1. heating, 6 temperature section intervals are set in manifold, and interval temperature raises successively gradually, and initial temperature is made as 220～230 DEG C, and outlet temperature is made as 275～285 DEG C, and the temperature control of heating agent biphenyl is 280～290 DEG C; 2. cooling, the delay height setting of spinnerets is 48mm, and it is 1450mm that window height setting is blown in survey, and lateral blowing temperature is made as 24 DEG C, and wind speed is controlled at 0.3m/s, and relative humidity is controlled at 68%.
Polyamide fibre base cooling fiber yarn, prepared by following methods:
Adopt match network spinning process that cotton fibre and polyamide fibre base cooling fiber are spun into blended yarn: regular roving feeding 2.9g/10m, twist factor 120, spun yarn horn mouth centre-to-centre spacing 3.8mm, spun yarn twist factor 410, spun yarn front roller speed 148r/min.
Embodiment 5
Cooling masterbatch formula is: PA6 is 68 weight portions, jade powder 415 weight portions, zirconium dioxide powder 5 weight portions, silicon-dioxide powdery 10 weight portions, stearic acid dispersant 3 weight portions, modified polystyrene dispersant 4 weight portions, low-molecular-weight wax dispersant 4 weight portions, titanate coupling agent 3 weight portions.
Polyamide fibre base cooling fiber, made by following methods:
(1) taking cooling masterbatch as raw material, make section;
(2) section is dried: 170 DEG C of baking temperatures, 14 hours drying times, the compressed air dew point when dry is-62 DEG C, makes to cut into slices below the moisture 30PPM of being down to;
(3) by manifold, section is carried out to spinning and make polyamide fibre base cooling fiber: section forms spinning melt thread in manifold after heating, melt thread is after the spinnerets ejection of manifold, releases heat towards periphery immediately, thus make melt thread cooling curing, form fiber; Concrete technology is as follows: 1. heating, 7 temperature section intervals are set in manifold, and interval temperature raises successively gradually, and initial temperature is made as 220～230 DEG C, and outlet temperature is made as 275～285 DEG C, and the temperature control of heating agent biphenyl is 280～290 DEG C; 2. cooling, the delay height setting of spinnerets is 48mm, and it is 1550mm that window height setting is blown in survey, and lateral blowing temperature is made as 25 DEG C, and wind speed is controlled at 0.5m/s, and relative humidity is controlled at 72%.
Polyamide fibre base cooling fiber yarn, prepared by following methods:
Adopt match network spinning process that cotton fibre and polyamide fibre base cooling fiber are spun into blended yarn: regular roving feeding 2.8～2.9g/10m, twist factor 123, spun yarn horn mouth centre-to-centre spacing 4.2mm, spun yarn twist factor 412, spun yarn front roller speed 152r/min.
Embodiment 6
Cooling masterbatch formula is: PA6 is 66 weight portions, jade powder 12 weight portions, zirconium dioxide powder 4 weight portions, silicon-dioxide powdery 4 weight portions, stearic acid dispersant 2 weight portions, modified polystyrene dispersant 3 weight portions, low-molecular-weight wax dispersant 3 weight portions, titanate coupling agent 2 weight portions.
Polyamide fibre base cooling fiber, made by following methods:
(1) taking cooling masterbatch as raw material, make section;
(2) section is dried: 160 DEG C of baking temperatures, 12 hours drying times, the compressed air dew point when dry is-60 DEG C, makes to cut into slices below the moisture 30PPM of being down to;
(3) by manifold, section is carried out to spinning and make polyamide fibre base cooling fiber: section forms spinning melt thread in manifold after heating, melt thread is after the spinnerets ejection of manifold, releases heat towards periphery immediately, thus make melt thread cooling curing, form fiber; Concrete technology is as follows: 1. heating, 5 temperature section intervals are set in manifold, and interval temperature raises successively gradually, and initial temperature is made as 225 DEG C, and outlet temperature is made as 280 DEG C, and the temperature control of heating agent biphenyl is 280～290 DEG C; 2. cooling, the delay height setting of spinnerets is 46mm, and it is 1500mm that window height setting is blown in survey, and lateral blowing temperature is made as 25 DEG C, and wind speed is controlled at 0.4m/s, and relative humidity is controlled at 70%.
Polyamide fibre base cooling fiber yarn, prepared by following methods:
Adopt match network spinning process that cotton fibre and polyamide fibre base cooling fiber are spun into blended yarn: regular roving feeding 2.8g/10m, twist factor 121, spun yarn horn mouth centre-to-centre spacing 4.0mm, spun yarn twist factor 410, spun yarn front roller speed 150r/min; The ratio of cooling fiber and cotton fiber is 4 ︰ 6.
Polyamide fibre base cooling fiber yarn plain weave fabric, prepared by following methods: adopt the technological measure of " early opening, wefting insertion, warp tension are bigger late " to weave, loom opening time is selected in 340 °, and regulates stroke of harness frames by shed open furnishing isostension shed open, and shed open size is adjusted into 10mm; Yam count is 32S, through close be 130/10cm, filling density is 70/10cm, is organized as on two twill-weave once; The anxious elastic recovery angle of described fabric is 93.6 °, and bending resistance length value is 2.43cm; Speed of a motor vehicle 650rpm, injecting time is 85 °, heald level time is 340 °, clamper traverse is 0.8mm, and clamper closing time is 340 °, and the flying angle open hour are 108 °, left strand limit closing time is 20 °, and right strand limit closing time is 280 °, and warp tension is 30～35cN/cm.
Then dye, adopt neutral fixation activity to dye the means cotton in fabric, neutral dye dyes cooling fiber in fabric and realize dyeing, the realization that adds of polyamide fibre stain resistance prevents the dyeing of neutral fixation REACTIVE DYES to cooling fiber, dyeing temperature is 100 DEG C, dye bath pH7, and concrete dyeing recipe is as follows: neutral fixation REACTIVE DYES and neutral dye are enough, levelling agent 0.5g/L, stain resistance 2g/L, pH buffer is in right amount to control dye bath pH7, glauber salt 25 g/L.
Claims (10)
1. polyamide fibre base cooling fiber, is characterized in that, it is prepared by following methods:
(1) taking cooling masterbatch as raw material, make section;
(2) section is dried: 150～170 DEG C of baking temperatures, 10～14 hours drying times, make to cut into slices below the moisture 30PPM of being down to;
(3) by manifold, section is carried out to spinning and make polyamide fibre base cooling fiber: section forms spinning melt thread in manifold after heating, melt thread is after the spinnerets ejection of manifold, releases heat towards periphery immediately, thus make melt thread cooling curing, form fiber; Concrete technology is as follows: 1. heating, multiple temperature sections interval is set in manifold, and interval temperature raises successively gradually, and initial temperature is made as 220～230 DEG C, and outlet temperature is made as 275～285 DEG C, and the temperature control of heating agent is 280～290 DEG C; 2. cooling, the delay height setting of spinnerets is 45～50mm, and it is 1200～1550mm that window height setting is blown in survey, and lateral blowing temperature is made as 22～27 DEG C, and wind speed is controlled at 0.3～0.5m/s, and relative humidity is controlled at 65～75%;
Described cooling masterbatch formula is: PA6 is 65～70 weight portions, jade powder 10～15 weight portions, zirconium dioxide powder 3～5 weight portions, silicon-dioxide powdery 8～10 weight portions, stearic acid dispersant 1～3 weight portion, polystyrene dispersant 2～4 weight portions, low-molecular-weight wax dispersant 2～4 weight portions, titanate coupling agent 1～3 weight portion.
2. a kind of polyamide fibre base cooling fiber according to claim 1, is characterized in that: in step (2), the compressed air dew point when dry is-58～-62 DEG C.
3. a kind of polyamide fibre base cooling fiber according to claim 1, is characterized in that: in step (2), the compressed air dew point when dry is-59～-61 DEG C.
4. a kind of polyamide fibre base cooling fiber according to claim 1, is characterized in that: described polystyrene dispersant is modified polystyrene dispersant.
5. a kind of polyamide fibre base cooling fiber according to claim 1, it is characterized in that, step (3) concrete technology is as follows: 1. heating, 3,4,5,6 or 7 temperature section intervals are set in manifold, interval temperature raises successively gradually, initial temperature is made as 220～230 DEG C, and outlet temperature is made as 275～285 DEG C, and the temperature control of heating agent biphenyl is 280～290 DEG C; 2. cooling, the delay height setting of spinnerets is 45～48mm, and it is 1350～1550mm that window height setting is blown in survey, and lateral blowing temperature is made as 23～26 DEG C, and wind speed is controlled at 0.3～0.5m/s, and relative humidity is controlled at 66～73%.
6. a kind of polyamide fibre base cooling fiber according to claim 1, it is characterized in that, step (3) concrete technology is as follows: 1. heating, 3,4,5,6 or 7 temperature section intervals are set in manifold, interval temperature raises successively gradually, initial temperature is made as 220～230 DEG C, and outlet temperature is made as 275～285 DEG C, and the temperature control of heating agent biphenyl is 280～290 DEG C; 2. cooling, the delay height setting of spinnerets is 45～48mm, and it is 1450～1550mm that window height setting is blown in survey, and lateral blowing temperature is made as 24～25 DEG C, and wind speed is controlled at 0.3～0.5m/s, and relative humidity is controlled at 68～72%.
7. a kind of polyamide fibre base cooling fiber according to claim 1, it is characterized in that, described cooling masterbatch formula is: PA6 is 65～68 weight portions, jade powder 10～13 weight portions, zirconium dioxide powder 3～5 weight portions, silicon-dioxide powdery 8～9 weight portions, stearic acid dispersant 1～3 weight portion, polystyrene dispersant 2～4 weight portions, low-molecular-weight wax dispersant 2～4 weight portions, titanate coupling agent 1～3 weight portion.
8. a polyamide fibre base cooling fiber blended yarn, it is characterized in that, it is to prepare by the following method: adopt match network spinning process to be spun into blended yarn by cotton fibre with by the arbitrary described polyamide fibre base cooling fiber of claim 1 to 7, concrete technology is as follows, regular roving feeding 2.5～3.0g/10m, twist factor 120～125, spun yarn horn mouth centre-to-centre spacing 3.0～4.5mm, spun yarn twist factor 400～420, spun yarn front roller speed 135～155r/min; Wherein, the ratio of cooling fiber and cotton fiber is 3 ︰ 7～6 ︰ 4.
9. a kind of polyamide fibre base cooling fiber blended yarn according to claim 8, is characterized in that: the ratio of cooling fiber and cotton fiber is 4 ︰ 6～5 ︰ 5.
10. a kind of polyamide fibre base cooling fiber blended yarn according to claim 8, it is characterized in that: concrete technology is as follows, regular roving feeding 2.6～2.9g/10m, twist factor 120～123, spun yarn horn mouth centre-to-centre spacing 3.2～4.2mm, spun yarn twist factor 405～415, spun yarn front roller speed 140～155r/min.
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| CN103757738B (en) * | 2013-10-22 | 2016-01-20 | 福建锦江科技有限公司 | A kind of preparation method of polyamide fibre 6 cool jade fiber |
| CN103938285A (en) * | 2014-04-10 | 2014-07-23 | 苏州顶智特种纤维科技有限公司 | Modified nylon-6 cool DTY filament production method |
| CN104695104A (en) * | 2015-03-16 | 2015-06-10 | 浙江雅娜纺织有限公司 | Linen and big-belly yarn blended knitted fabric |
| KR102471874B1 (en) | 2015-09-14 | 2022-11-30 | 로디아 폴리아미다 이 에스페시아리다데스 에스.에이. | Polyamide fiber having improved comfort management ability, manufacturing method thereof, and article manufactured therefrom |
| CN110685031B (en) * | 2019-10-31 | 2020-10-30 | 宁波瑞凌新能源科技有限公司 | Radiation refrigeration fiber and preparation method and application thereof |
| CN111733501A (en) * | 2020-06-17 | 2020-10-02 | 福建七匹狼实业股份有限公司 | Cotton-feeling polyester-polyurethane composite yarn and preparation method of textile prepared from same |
| CN113652857B (en) * | 2021-07-07 | 2023-05-09 | 广东欣丰科技有限公司 | Fabric with cool feeling function and preparation method and application thereof |
| CN114086387A (en) * | 2021-12-17 | 2022-02-25 | 南通强生石墨烯科技有限公司 | Graphene high-heat-dissipation fiber and preparation method thereof |
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Denomination of invention: Nylon based cooling fiber and yarn Effective date of registration: 20230625 Granted publication date: 20141105 Pledgee: Huzhou Bank Co.,Ltd. Wuxing Sub branch Pledgor: ZHEJIANG LANTIANHAI TEXTILE GARMENT TECHNOLOGY Co.,Ltd. Registration number: Y2023980045446 |