CN101397698A - Colour superfine polyester-nylon complex fiber and its processing method - Google Patents
Colour superfine polyester-nylon complex fiber and its processing method Download PDFInfo
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- CN101397698A CN101397698A CNA2008101955230A CN200810195523A CN101397698A CN 101397698 A CN101397698 A CN 101397698A CN A2008101955230 A CNA2008101955230 A CN A2008101955230A CN 200810195523 A CN200810195523 A CN 200810195523A CN 101397698 A CN101397698 A CN 101397698A
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Abstract
The invention relates to a colored ultra-fine polyester/nylon composite fiber and a processing method thereof. The colored ultra-fine nylon/polyester composite fiber is formed by the following materials according to weight part: 62 portions to 82 portions of polyester chips, 15 portions to 35 portions of nylon chips, 1 portion to 3.5 portions of polyester colored master batches and 0.5 portion to 2 portions of nylon colored master batches. The invention has the advantages that: as the polyester colored master batches and the nylon colored master batches are added into the raw material of the polyester chips and the nylon chips, coloring requirement before spinning is met, thus causing spun products not to require dyeing; textile products produced by using the colored ultra-fine polyester/nylon composite fiber has the color fastness much better than that of textile products by dyeing; in addition, the processing method makes up the defect that the textile products of the ultra-fine polyester/nylon composite fiber can not be dyed into dark colors, widens the application scope of the ultra-fine polyester/nylon composite fiber in the field of the textile products; does not need dyeing processing, thus avoiding environmental pollution caused by the textile products due to dyeing; has reasonable processing conditions, and can carry out production with the assistance of the traditional double-component equipment; the colored ultra-fine polyester/nylon composite fiber has all the properties and styles of the ultra-fine polyester/nylon composite fibers with true colors.
Description
Technical field
The invention belongs to superfine polyester-nylon complex fiber and processing technique field, be specifically related to a kind of colour superfine polyester-nylon complex fiber, and relate to the processing method of this fiber.
Background technology
Present superfine polyester-nylon complex fiber product all is to be raw material with a certain proportion of terylene and polyamide fibre, pass through composite spinning, false twist texturing or drawing process make, this fiber product can satisfy the requirement that high-grade textile product has unique styles such as super-strong moisture absorbing detergency ability, ultra-flexible energy and super simulation performance, and possesses the total physical properties such as high elasticity, high strength and wear resistant corrosion resistant of synthetic fiber.Yet, because the superfine polyester-nylon complex fiber in the prior art is this white, after further being processed into textile product, it must just can obtain the textile product of the required various color and lusters of user by dyeing, thereby cause the deficiency of following two aspects: one, as being the textile product of raw material with the superfine polyester-nylon complex fiber, its filament number of opening behind the fibre only is about 0.08dtex, because filament number is superfine, so the vividness of dyeing COLOR FASTNESS and color does not all reach the dark textile product of some top grades and the requirement of bright-coloured textile product, makes the range of application of product exist limitation; Its two, any textile product can produce a large amount of industrial waste gases and sewage in the post processing dyeing course, contaminated environment seriously, health risk.
In view of above-mentioned condition, be necessary the preceding dye technology of spinning of superfine polyester-nylon complex fiber is explored, use making the polyester-nylon complex fiber raw material before spinning, give color, thereby eliminate the unfavorable factor of aforesaid two aspects.The applicant has carried out long term studies, has found the superfine polyester-nylon complex fiber raw material is spun preceding painted effective way, and technical scheme described below is based on producing under this background.
Summary of the invention
Task of the present invention is to provide a kind of colour superfine polyester-nylon complex fiber, need not to dye and can satisfy COLOR FASTNESS, bright-colored degree requires and help protecting environment because of need not to knit poststaining with the textile product of this kind fiber after weaving.
Task of the present invention also is to provide a kind of processing method of colour superfine polyester-nylon complex fiber, and this method technology is simple and to ensure that colour superfine polyester-nylon complex fiber has excellent COLOR FASTNESS and bright-colored degree and color and luster even.
Task of the present invention is finished like this, a kind of colour superfine polyester-nylon complex fiber, and it is that raw material by following weight part ratio constitutes: 62-82 parts of terylene chips; 15-35 parts of slices of caprone; 1-3.5 parts of pigment particles for terylene; 0.5-2 parts of polyamide fibre Masterbatchs.
A present invention also task finishes like this, a kind of processing method of colour superfine polyester-nylon complex fiber, and it may further comprise the steps:
A) batching than choosing terylene chips, slices of caprone, pigment particles for terylene and polyamide fibre Masterbatch, obtains raw material to be dried by weight;
B) drying is carried out drying through separately drying device respectively with raw material to be dried, and control drying time and baking temperature, obtains treating melting charge, and wherein: terylene chips carries out pre-crystallization earlier and controls the time and the temperature of pre-crystallization before drying;
C) fusion, to introduce terylene chips screw extruder melt extruded as the terylene chips for the treatment of melting charge, and control terylene chips screw rod extrusion molten temperature, in to the terylene chips melt extruded, will join the terylene chips screw extruder as the pigment particles for terylene for the treatment of melting charge,, fusion mixed with terylene chips obtain the colored terylene melt; To introduce slices of caprone screw extruder melt extruded and control slices of caprone screw rod extrusion molten temperature as the slices of caprone for the treatment of melting charge, in to the slices of caprone melt extruded, will join, fusion mixed in the polyamide fibre screw extruder, obtain the colored nylon melt as the polyamide fibre Masterbatch for the treatment of melting charge with slices of caprone;
D) composite spinning is filtering the spinning of back remittance composite spinning case by filter respectively with colored terylene melt and colored nylon melt, and the control spinning temperature, successively through cooling off, oiling and coiling and molding, obtains the compound pre-oriented yarn of colored polyester-nylon again;
E) false twist texturing is carried out false twist texturing to the compound pre-oriented yarn of colored polyester-nylon, drawn, distortion, network, finalizes the design, oils and reel, and obtains colour superfine polyester-nylon complex fiber.
In a specific embodiment of the present invention, step B) control baking temperature and drying time described in be: the baking temperature of control terylene chips is 165-185 ℃, and be 4-6h drying time; The baking temperature of control slices of caprone is 80-100 ℃, and be 15-18h drying time; The baking temperature of control pigment particles for terylene is 130-150 ℃, and be 5-8h drying time; The baking temperature of control polyamide fibre Masterbatch is 100-120 ℃, and be 11-12h drying time.
The time and the temperature of the pre-crystallization of control in another specific embodiment of the present invention, step B) are meant: the time of controlling pre-crystallization is 20-40min, and the temperature of pre-crystallization is 162-170 ℃.
The drying medium of the drying device in also specific embodiment of the present invention, step B) is a dew point less than-80 ℃ heated dry air.
In another specific embodiment of the present invention, step C) the control terylene chips screw rod extrusion molten temperature described in is that melt temperature is controlled to be 270-290 ℃; Described control slices of caprone screw rod extrusion molten temperature is that melt temperature is controlled to be 240-260 ℃.
The adding mode of adding pigment particles for terylene in another specific embodiment of the present invention, step C) and described adding polyamide fibre Masterbatch is to adopt Masterbatch injection instrument to inject.
More of the present invention and in specific embodiment, step D) the colored terylene melt described in is 285-290 ℃ by the filtration temperature that filter filters, and described colored nylon melt is 270-275 ℃ by the filtration temperature that filter filters, and described control spinning temperature is that spinning temperature is controlled at 285-295 ℃; The described lateral blowing that is cooled to cools off, and wherein: the lateral blowing temperature is 20.5-23.5 ℃, and wind speed is 0.45-0.65m/s, and relative humidity is 70-76%; The described oil content that oils is 0.45-0.65%; The winding speed of described coiling and molding is 3100-3200m/min.
In of the present invention and then specific embodiment, the monofilament shape of cross section of the compound pre-oriented yarn of colored polyester-nylon step D) is circular, composite construction is M shape, wherein: the composition of the stroke part of described rice word is the blending constituent of polyamide fibre and polyamide fibre Masterbatch, and the composition of the gap of the stroke of rice word is the blending constituent of terylene and pigment particles for terylene.
In again of the present invention and then specific embodiment, step e) the false twist texturized false twist texturing temperature described in is 155-168 ℃, and the speed of false twisting is 580-600m/min; The setting temperature of described typing is 135-160 ℃; The draw ratio of described stretching is 1.60-1.705 times; Described network of network degree is 100 ± 20/m; The described oil content that oils is 3.5 ± 0.5%.
One of advantage of the technical scheme that the present invention recommended, because will wash, the polyamide fibre Masterbatch has joined and has washed, in the slices of caprone raw material, spin preceding painted requirement thereby can satisfy, promptly according to the color requirement of road textile product afterwards, produce the colour superfine polyester-nylon complex fiber of various color and lusters, make the product dispense with dyeing after weaving; Two, because processing method can make and wash, polyamide fibre Masterbatch molecule with wash, the slices of caprone high-polymer molecular evenly and fully is connected, so the COLOR FASTNESS of the textile product of use colour superfine polyester-nylon complex fiber production is far superior to the COLOR FASTNESS by the textile product of dyeing, and can remedy the superfine polyester-nylon complex fiber textile product can not hyperchromatic defective, has enlarged superfine polyester-nylon complex fiber in textile product Application for Field scope; Three because the textile product dispense with dyeing that uses colour superfine polyester-nylon complex fiber to produce handles, thus the environmental pollution of having avoided textile product to bring because of dyeing; Four, process conditions are selected rationally, and can produce by means of traditional two component equipment; Five, have all performances and the style of true qualities superfine polyester-nylon complex fiber.
Description of drawings
Fig. 1 is the process chart of processing method of the present invention.
Fig. 2 is the schematic diagram of the compound pre-oriented yarn of the described colored polyester-nylon of processing method of the present invention (POY) silk volume.
Fig. 3 is the described colour superfine polyester-nylon complex fiber monofilament of a inventive method cross sectional shape enlarged diagram.
Fig. 4 is the schematic diagram of the resulting colour superfine polyester-nylon complex fiber of the present invention (DTY) finished silk.
The specific embodiment
Masterbatch is the product of the painted usefulness of plastic optical fibre, and it is that pigment is attached in the resin and the compound of the polymer that obtains equably, and the U.S. is referred to as condensed pigment or pigment preparation matter.Masterbatch mainly consists of colouring agent, carrier and dispersant three parts.Purposes according to Masterbatch is distinguished, and injection molding Masterbatch, blown film Masterbatch and fiber classifications such as Masterbatch and multifunctional color master batch are arranged.Masterbatch of the present invention is the fiber Masterbatch, i.e. pigment particles for terylene and polyamide fibre Masterbatch.Pigment particles for terylene, polyamide fibre Masterbatch are main colouring agent with high temperature resistant soluble dye and high-quality organic pigment, with top grade long filament level wash, slices of caprone is carrier, good spinnability, especially suitable fine denier polyester long filament, the chinlon filament of spinning; Group look science, the colouring agent consumption is few, can reduce painted cost, improves look silk spinnability.
Embodiment 1:
By technological process shown in Figure 1, the converted products specification: final line density is the light yellow look superfine polyester-nylon complex fiber of 83dtex/72f * 16.
A) batching, it is 63.7 parts of polyester slices (PET) that the another name of score is by weight got terylene chips, slices of caprone is 34.3 parts of polyamide 6s (PA-6), 0.7 part of 1.7 parts of light yellow pigment particles for terylene and light yellow polyamide fibre Masterbatch, obtain raw material to be dried, wherein: light yellow pigment particles for terylene and light yellow polyamide fibre Masterbatch all can be by the market acquisitions, for example preferred but not select light yellow pigment particles for terylene and the light yellow polyamide fibre Masterbatch of being produced and sold by the LiaoNing, China province Daliang City colored master batch of big crystal stock Co., Ltd for use with being limited to;
B) drying, will be by steps A) resulting terylene chips, slices of caprone, these four kinds of raw materials to be dried of light yellow pigment particles for terylene and light yellow polyamide fibre Masterbatch carry out the heated dry air drying with drier respectively, the heated dry air dew point is less than-82 ℃, specifically: terylene chips carries out pre-crystallization earlier before drying, pre-crystallization temperature is 168 ℃, pre-crystallization time is 25min, after pre-crystallization, be put to drying, baking temperature is 175 ℃, be 5.5h drying time, the moisture of dried terylene chips is 25ppm, baking temperature to slices of caprone is 92 ℃, be 17h drying time, the moisture of dried slices of caprone is 45ppm, baking temperature to light yellow pigment particles for terylene is 135 ℃, be 7.5h drying time, baking temperature to light yellow polyamide fibre Masterbatch is 105 ℃, be 11.5h drying time, obtain treating melting charge after drying, promptly obtain dried terylene chips, slices of caprone, light yellow pigment particles for terylene, light yellow polyamide fibre Masterbatch is treated melting charge for these four kinds;
C) fusion, to introduce terylene chips screw extruder melt extruded as the terylene chips for the treatment of melting charge, terylene chips screw rod extrusion molten temperature is: 272 ℃ in a district, 282 ℃ in two districts, 285 ℃ in three districts, 288 ℃ in four districts, 288 ℃ in five districts, in to the terylene chips melt extruded, will adopt Masterbatch injection instrument to be injected in the terylene chips screw extruder and the terylene chips mixed melting as the light yellow pigment particles for terylene for the treatment of melting charge, obtaining color is the terylene melt of light yellow look, to introduce slices of caprone screw extruder melt extruded as the slices of caprone for the treatment of melting charge, slices of caprone screw rod extrusion molten temperature is: 242 ℃ in a district, 255 ℃ in two districts, 256 ℃ in three districts, 256 ℃ in four districts, 258 ℃ in five districts, in to the slices of caprone melt extruded, will adopt Masterbatch injection instrument to be injected in the slices of caprone screw extruder and the slices of caprone mixed melting as the light yellow polyamide fibre Masterbatch for the treatment of melting charge, obtaining color is the polyamide fibre melt of light yellow look, and Masterbatch described in this step injection instrument is preferred but not what be limited to is the Masterbatch injection instrument that adopts by the production and sales of Shanghai, city, the Chinese Hangzhou, Zhejiang province dynamo-electric Co., Ltd of dragon five metals;
D) composite spinning, spinning temperature is that composite spinning box body temperature is controlled to be 290 ℃, the lateral blowing temperature of lateral blowing cooling is 22.5 ℃, wind speed is 0.45m/s, relative humidity is 72%, spinning speed is 3100m/min, specifically: the polyamide fibre melt of the terylene melt of light yellow look and light yellow look is imported the spinning of composite spinning case under the filtration state of separately filter, wherein: the filtration temperature that is used to filter the terylene melt of light yellow look is that the temperature of filter is 290 ℃, and the filtration temperature that is used to filter the polyamide fibre melt of light yellow look is 272 ℃, by the manifold spinning after aforesaid cooling and oiling and coiling and molding, obtain washing bright and beautiful compound pre-oriented yarn (POY silk) by light yellow look shown in Figure 2, the described oil content that oils of this step is 0.53%, promptly going up oil mass accounts for light yellow look and washs 0.48% of bright and beautiful compound pre-oriented yarn weight, again, the monofilament cross section that resulting light yellow look is washed bright and beautiful compound pre-oriented yarn (POY silk) in this step is exaggerated the back by shown in Figure 3, promptly rounded, the composition of " rice " word stroke part of " rice " font shown in Figure 3 is the blending constituent of polyamide fibre and polyamide fibre Masterbatch, the remainder i.e. composition of the gap of " rice " word stroke then is the blending constituent of terylene and pigment particles for terylene, and this light yellow look is washed bright and beautiful compound pre-oriented yarn (POY silk) and had the desirable technical indicator that following process records:
Fiber number dtex:127.6 fiber number cv%:0.6
Intensity cn/dtex:2.3 intensity cv%:1.9
Elongation %:128.6 elongation cv%:2.1
Oil content %:0.53;
E) false twist texturing, to by step D) resulting light yellow look washs bright and beautiful compound pre-oriented yarn (POY silk) and carries out false twist texturing, specifically: drawn, distortion, network, typing, oil and reel, the false twist texturing temperature is promptly: first heater temperature is controlled to be 160 ℃, draw ratio is 1.66, setting temperature as the second hot case is 138 ℃, false twist texturing speed (middle roller) is 580m/min, the network degree is 100 ± 20/m, the oil content that oils is 3.5 ± 0.5%, promptly go up oil mass and account for 3.5 ± 0.5% of light yellow look polyester-nylon complex fiber silk weight, winding speed is false twist texturing speed, thereby obtain final line density and be 83dtex/72f * 16 and by coloured (light yellow look) superfine polyester-nylon complex fiber silk (DTY) shown in Figure 4, this silk has following technical indicator through recording:
Fiber number dtex:82.8 fiber number cv%:0.6
Intensity cn/dtex:3.4 intensity cv%:2.1
Elongation %:20.1 elongation cv%:3.6
Finish oil content %:3.7 network degree/rice: 106.
Embodiment 2:
By technological process shown in Figure 1, the converted products specification: final line density is the last cyan superfine polyester-nylon complex fiber of 178dtex/72f * 16.
A) batching, it is 76.8 parts of polyester slices (PET) that the another name of score is by weight got terylene chips, slices of caprone is 18.8 parts of polyamide 6s (PA-6), 1.2 parts of 3.2 parts of last cyan pigment particles for terylene and last cyan polyamide fibre Masterbatchs, obtain raw material to be dried, wherein: going up cyan pigment particles for terylene and last cyan polyamide fibre Masterbatch all can be by the market acquisition, for example preferred but not select last cyan pigment particles for terylene and the last cyan polyamide fibre Masterbatch of being produced and sold by the LiaoNing, China province Daliang City colored master batch of big crystal stock Co., Ltd for use with being limited to;
B) drying, will be by steps A) resulting terylene chips, slices of caprone, last cyan pigment particles for terylene and these four kinds of raw materials to be dried of last cyan polyamide fibre Masterbatch carry out the heated dry air drying with drier respectively, the heated dry air dew point is less than-80 ℃, specifically: terylene chips carries out pre-crystallization earlier before drying, pre-crystallization temperature is 170 ℃, pre-crystallization time is 35min, after pre-crystallization, be put to drying, baking temperature is 178 ℃, be 5h drying time, the moisture of dried terylene chips is 28ppm, baking temperature to slices of caprone is 95 ℃, be 16h drying time, the moisture of dried slices of caprone is 50ppm, baking temperature to last cyan pigment particles for terylene is 142 ℃, be 6h drying time, baking temperature to last cyan polyamide fibre Masterbatch is 115 ℃, be 11h drying time, obtain treating melting charge after drying, promptly obtain dried terylene chips, slices of caprone, last cyan pigment particles for terylene, last cyan polyamide fibre Masterbatch is treated melting charge for these four kinds;
C) fusion, to introduce terylene chips screw extruder melt extruded as the terylene chips for the treatment of melting charge, terylene chips screw rod extrusion molten temperature is: 275 ℃ in a district, 285 ℃ in two districts, 286 ℃ in three districts, 288 ℃ in four districts, 289 ℃ in five districts, in to the terylene chips melt extruded will as treat melting charge on the cyan pigment particles for terylene adopt Masterbatch injection instrument to be injected in the terylene chips screw extruder and the terylene chips mixed melting, obtaining color is the terylene melt of last cyan, to introduce slices of caprone screw extruder melt extruded as the slices of caprone for the treatment of melting charge, slices of caprone screw rod extrusion molten temperature is: 245 ℃ in a district, 258 ℃ in two districts, 258 ℃ in three districts, 258 ℃ in four districts, 258 ℃ in five districts, in to the slices of caprone melt extruded will as treat melting charge on cyan polyamide fibre Masterbatch adopt Masterbatch injection instrument to be injected in the slices of caprone screw extruder and the slices of caprone mixed melting, obtaining color is the polyamide fibre melt of last cyan, and Masterbatch described in this step injection instrument is preferred but not what be limited to is the Masterbatch injection instrument that adopts by the production and sales of Shanghai, city, the Chinese Hangzhou, Zhejiang province dynamo-electric Co., Ltd of dragon five metals;
D) composite spinning, spinning temperature is that composite spinning box body temperature is controlled to be 289 ℃, the lateral blowing temperature of hand hay cutter blowing cooling is 22.5 ℃, wind speed is 0.60m/s, relative humidity is 72%, spinning speed is 3150m/min, specifically: the polyamide fibre melt that will go up the terylene melt of cyan and last cyan is under the filtration state of separately filter, import the spinning of composite spinning case, wherein: the filtration temperature that is used to filter the terylene melt of cyan is that the temperature of filter is 288 ℃, and the filtration temperature that is used to filter the polyamide fibre melt of cyan is 270 ℃, by the manifold spinning after aforesaid cooling and oiling and coiling and molding, obtain washing bright and beautiful compound pre-oriented yarn (POY silk) by last cyan shown in Figure 2, the oil content that oils described in this step is 0.58%, promptly go up oil mass or claim oil content to account for cyan and wash 0.52% of bright and beautiful compound pre-oriented yarn weight, again, the monofilament cross section that resulting upward cyan is washed bright and beautiful compound pre-oriented yarn (POY silk) in this step is exaggerated the back by shown in Figure 3, the composition of " rice " word stroke part of " rice " font shown in Figure 3 is the blending constituent of polyamide fibre and polyamide fibre Masterbatch, the remainder i.e. composition of the gap of " rice " word stroke then is the blending constituent of terylene and pigment particles for terylene, and this upward cyan is washed bright and beautiful compound pre-oriented yarn (POY silk) and had the desirable technical indicator that following process records:
Fiber number dtex:278.3 fiber number cv%:0.8
Intensity cn/dtex:2.2 intensity cv%:1.3
Elongation %:131.1 elongation cv%:1.6
Oil content %:0.58;
E) false twist texturing, to by step D) the resulting cyan that goes up washs bright and beautiful compound pre-oriented yarn (POY silk) and carries out false twist texturing, specifically: drawn, distortion, network, typing, oil and reel, the false twist texturing temperature is promptly: first heater temperature is controlled to be 168 ℃, draw ratio is 1.70, setting temperature as the second hot case is 155 ℃, false twist texturing speed (middle roller) is 600m/min, the network degree is 100 ± 20/m, the oil content that oils is 3.5 ± 0.5%, promptly go up oil mass and account for 3.5 ± 0.5% of cyan polyester-nylon complex fiber silk weight, winding speed is false twist texturing speed, thereby obtain final line density and be 178dtex/72f * 16 and by coloured (going up cyan) superfine polyester-nylon complex fiber silk (DTY) shown in Figure 4, this silk has following technical indicator through recording:
Fiber number dtex:178.3 fiber number cv%:0.7
Intensity cn/dtex:3.4 intensity cv%:2.9
Elongation %:18.6 elongation cv%:4.3
Finish oil content %:3.5 network degree/rice: 98.
Embodiment 3:
By technological process shown in Figure 1, the converted products specification: final line density is the black superfine polyester-nylon complex fiber of 356dtex/144f * 16.
A) batching, it is 81 parts of polyester slices (PET) that the another name of score is by weight got terylene chips, slices of caprone is 15.475 parts of polyamide 6s (PA-6), 0.525 part of 3 parts of black terylene Masterbatchs and black polyamide fibre Masterbatch, obtain raw material to be dried, wherein: black terylene Masterbatch and black polyamide fibre Masterbatch all can be by the market acquisitions, for example preferred but not select black terylene Masterbatch and the black polyamide fibre Masterbatch of being produced and sold by the LiaoNing, China province Daliang City colored master batch of big crystal stock Co., Ltd for use with being limited to;
B) drying, will be by steps A) resulting terylene chips, slices of caprone, these four kinds of raw materials to be dried of black terylene Masterbatch and black polyamide fibre Masterbatch carry out the heated dry air drying with drier respectively, the heated dry air dew point is less than-80 ℃, specifically: terylene chips carries out pre-crystallization earlier before drying, pre-crystallization temperature is 163 ℃, pre-crystallization time is 40min, after pre-crystallization, be put to drying, baking temperature is 182 ℃, be 4.5h drying time, the moisture of dried terylene chips is 29ppm, baking temperature to slices of caprone is 85 ℃, be 18h drying time, the moisture of dried slices of caprone is 50ppm, baking temperature to the black terylene Masterbatch is 130 ℃, be 5.5h drying time, baking temperature to black polyamide fibre Masterbatch is 110 ℃, be 11.5h drying time, obtain treating melting charge after drying, promptly obtain dried terylene chips, slices of caprone, black terylene Masterbatch and black polyamide fibre Masterbatch are treated melting charge for these four kinds;
C) fusion, to introduce terylene chips screw extruder melt extruded as the terylene chips for the treatment of melting charge, terylene chips screw rod extrusion molten temperature is: 280 ℃ in a district, 285 ℃ in two districts, 286 ℃ in three districts, 288 ℃ in four districts, 288 ℃ in five districts, in to the terylene chips melt extruded, will adopt Masterbatch injection instrument to be injected in the terylene chips screw extruder and the terylene chips mixed melting as the black terylene Masterbatch for the treatment of melting charge, obtaining color is the terylene melt of black, to introduce slices of caprone screw extruder melt extruded as the slices of caprone for the treatment of melting charge, slices of caprone screw rod extrusion molten temperature is: 248 ℃ in a district, 255 ℃ in two districts, 255 ℃ in three districts, 258 ℃ in four districts, 258 ℃ in five districts, in to the slices of caprone melt extruded, will adopt Masterbatch injection instrument to be injected in the slices of caprone screw extruder and the slices of caprone mixed melting as the black polyamide fibre Masterbatch for the treatment of melting charge, obtaining color is the polyamide fibre melt of black, and Masterbatch described in this step injection instrument is preferred but not what be limited to is the Masterbatch injection instrument that adopts by the production and sales of Shanghai, city, the Chinese Hangzhou, Zhejiang province dynamo-electric Co., Ltd of dragon five metals;
D) composite spinning, spinning temperature is that composite spinning box body temperature is controlled to be 285 ℃, the lateral blowing temperature of hand hay cutter blowing cooling is 21.5 ℃, wind speed is 0.65m/s, relative humidity is 72%, spinning speed is 3100m/min, specifically: the polyamide fibre melt of the terylene melt of black and black is imported the spinning of composite spinning case under the filtration state of separately filter, wherein: the filtration temperature that is used to filter the terylene melt of black is that the temperature of filter is 289 ℃, and the filtration temperature that is used to filter the polyamide fibre melt of black is 273 ℃, by the manifold spinning after aforesaid cooling and oiling and coiling and molding, obtain washing bright and beautiful compound pre-oriented yarn (POY silk) by black shown in Figure 2, the oil content that oils described in this step is 0.62%, promptly go up oil mass or claim oil content to account for black and wash 0.62% of bright and beautiful compound pre-oriented yarn weight, again, the monofilament cross section that resulting black is washed bright and beautiful compound pre-oriented yarn (POY silk) in this step is exaggerated the back by shown in Figure 3, the composition of " rice " word stroke part of " rice " font shown in Figure 3 is the blending constituent of polyamide fibre and polyamide fibre Masterbatch, the remainder i.e. composition of the gap of " rice " word stroke then is the blending constituent of terylene and pigment particles for terylene, and this black is washed bright and beautiful compound pre-oriented yarn (POY silk) and had the desirable technical indicator that following process records:
Fiber number dtex:555.6 fiber number cv%:1.8
Intensity cn/dtex:2.1 intensity cv%:2.6
Elongation %:132.9 elongation cv%:3.1
Oil content %:0.62;
E) false twist texturing, to by step D) resulting black washs bright and beautiful compound pre-oriented yarn (POY silk) and carries out false twist texturing, specifically: drawn, distortion, network, typing, oil and reel, the false twist texturing temperature is promptly: first heater temperature is controlled to be 168 ℃, draw ratio is 1.620, setting temperature as the second hot case is 158 ℃, false twist texturing speed (middle roller) is 580m/min, the network degree is 100 ± 20/m, the oil content that oils is 3.5 ± 0.5%, promptly go up oil mass and account for 3.5 ± 0.5% of black polyester-nylon complex fiber silk weight, winding speed is false twist texturing speed, thereby obtain final line density and be 356dtex/72f * 16 and by coloured (black) superfine polyester-nylon complex fiber silk (DTY) shown in Figure 4, this silk has following technical indicator through recording:
Fiber number dtex:354.6 fiber number cv%:0.9
Intensity cn/dtex:3.2 intensity cv%:1.7
Elongation %:18.2 elongation cv%:3.0
Finish oil content %:3.4 network degree/rice: 88.
By the foregoing description 1 to 3 resulting colour superfine polyester-nylon complex fiber silk can be used for artificial suede suede, emulation peach face, wash bright and beautiful corduroy, wash bright and beautiful coral suede, wash damask, high-grade textile product such as the close fabric of superelevation and high-performance clean articles for use, after opening fine the processing, its filament number can reach 0.08dtex, even it is thinner, so advantage such as its key property shows as fabrics feel soft, fidelity height, good water absorption, strong detergency, drapability is good and permeability is good is that other synthetic fiber can't have.In addition, will be via the step e of embodiment 1 to 3) resulting DTY silk knits socks and opens fibre and declare look, remakes the finished product inspection back packing and selling that grades.
Claims (10)
1, a kind of colour superfine polyester-nylon complex fiber is characterized in that it is to be made of the raw material that descends weight part ratio: 62-82 parts of terylene chips; 15-35 parts of slices of caprone; 1-3.5 parts of pigment particles for terylene; 0.5-2 parts of polyamide fibre Masterbatchs.
2, a kind of processing method as claims 1 described colour superfine polyester-nylon complex fiber is characterized in that it may further comprise the steps:
A) batching than choosing terylene chips, slices of caprone, pigment particles for terylene and polyamide fibre Masterbatch, obtains raw material to be dried by weight;
B) drying is carried out drying through separately drying device respectively with raw material to be dried, and control drying time and baking temperature, obtains treating melting charge, and wherein: terylene chips carries out pre-crystallization earlier and controls the time and the temperature of pre-crystallization before drying;
C) fusion, to introduce terylene chips screw extruder melt extruded as the terylene chips for the treatment of melting charge, and control terylene chips screw rod extrusion molten temperature, in to the terylene chips melt extruded, will join the terylene chips screw extruder as the pigment particles for terylene for the treatment of melting charge,, fusion mixed with terylene chips obtain the colored terylene melt; To introduce slices of caprone screw extruder melt extruded and control slices of caprone screw rod extrusion molten temperature as the slices of caprone for the treatment of melting charge, in to the slices of caprone melt extruded, will join, fusion mixed in the polyamide fibre screw extruder, obtain the colored nylon melt as the polyamide fibre Masterbatch for the treatment of melting charge with slices of caprone;
D) composite spinning is filtering the spinning of back remittance composite spinning case by filter respectively with colored terylene melt and colored nylon melt, and the control spinning temperature, successively through cooling off, oiling and coiling and molding, obtains the compound pre-oriented yarn of colored polyester-nylon again;
E) false twist texturing is carried out false twist texturing to the compound pre-oriented yarn of colored polyester-nylon, drawn, distortion, network, finalizes the design, oils and reel, and obtains colour superfine polyester-nylon complex fiber.
3,, it is characterized in that step B according to the processing method of claims 2 described colour superfine polyester-nylon complex fibers) described in control baking temperature and drying time be: control terylene chips baking temperature be 165-185 ℃, be 4-6h drying time; The baking temperature of control slices of caprone is 80-100 ℃, and be 15-18h drying time; The baking temperature of control pigment particles for terylene is 130-150 ℃, and be 5-8h drying time; The baking temperature of control polyamide fibre Masterbatch is 100-120 ℃, and be 11-12h drying time.
4, according to the processing method of claims 2 described colour superfine polyester-nylon complex fibers, it is characterized in that step B) described in the time and the temperature of the pre-crystallization of control be meant: the time of controlling pre-crystallization is 20-40min, and the temperature of pre-crystallization is 162-170 ℃.
5,, it is characterized in that step B according to the processing method of claims 2 described colour superfine polyester-nylon complex fibers) described in the drying medium of drying device be dew point less than-80 ℃ heated dry air.
6,, it is characterized in that step C according to the processing method of claims 2 described colour superfine polyester-nylon complex fibers) described in control terylene chips screw rod extrusion molten temperature be that melt temperature is controlled to be 270-290 ℃; Described control slices of caprone screw rod extrusion molten temperature is that melt temperature is controlled to be 240-260 ℃.
7,, it is characterized in that step C according to the processing method of claims 2 described colour superfine polyester-nylon complex fibers) described in the adding pigment particles for terylene and the adding mode of described adding polyamide fibre Masterbatch be to adopt Masterbatch injection instrument to inject.
8, according to the processing method of claims 2 described colour superfine polyester-nylon complex fibers, it is characterized in that step D) described in the colored terylene melt be 285-290 ℃ by the filtration temperature that filter filters, and described colored nylon melt is 270-275 ℃ by the filtration temperature that filter filters, and described control spinning temperature is that spinning temperature is controlled at 285-295 ℃; The described lateral blowing that is cooled to cools off, and wherein: the lateral blowing temperature is 20.5-23.5 ℃, and wind speed is 0.45-0.65m/s, and relative humidity is 70-76%; The described oil content that oils is 0.45-0.65%; The winding speed of described coiling and molding is 3100-3200m/min.
9, according to the processing method of claims 2 described colour superfine polyester-nylon complex fibers, it is characterized in that step D) described in the monofilament shape of cross section of the compound pre-oriented yarn of colored polyester-nylon rounded, composite construction is M shape, wherein: the composition of the stroke part of described rice word is the blending constituent of polyamide fibre and polyamide fibre Masterbatch, and the composition of the gap of the stroke of rice word is the blending constituent of terylene and pigment particles for terylene.
10, according to the processing method of claims 2 described colour superfine polyester-nylon complex fibers, it is characterized in that step e) described in false twist texturized false twist texturing temperature be 155-168 ℃, the speed of false twisting is 580-600m/min; The setting temperature of described typing is 135-160 ℃; The draw ratio of described stretching is 1.60-1.705 times; Described network of network degree is 100 ± 20/m; The described oil content that oils is 3.5 ± 0.5%.
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