WO2021027087A1 - 一种四基色纤维耦合混配构建的离散渐变色谱及渐变色纱的纺制 - Google Patents

一种四基色纤维耦合混配构建的离散渐变色谱及渐变色纱的纺制 Download PDF

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WO2021027087A1
WO2021027087A1 PCT/CN2019/115211 CN2019115211W WO2021027087A1 WO 2021027087 A1 WO2021027087 A1 WO 2021027087A1 CN 2019115211 W CN2019115211 W CN 2019115211W WO 2021027087 A1 WO2021027087 A1 WO 2021027087A1
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color
coupling
fiber
fibers
sequence number
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French (fr)
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刘曰兴
薛元
王玉平
张国清
刘尊东
高志超
陈凯玲
张磊
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愉悦家纺有限公司
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    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01G—PRELIMINARY TREATMENT OF FIBRES, e.g. FOR SPINNING
    • D01G13/00—Mixing, e.g. blending, fibres; Mixing non-fibrous materials with fibres
    • D—TEXTILES; PAPER
    • D02—YARNS; MECHANICAL FINISHING OF YARNS OR ROPES; WARPING OR BEAMING
    • D02G—CRIMPING OR CURLING FIBRES, FILAMENTS, THREADS, OR YARNS; YARNS OR THREADS
    • D02G3/00—Yarns or threads, e.g. fancy yarns; Processes or apparatus for the production thereof, not otherwise provided for
    • D02G3/22—Yarns or threads characterised by constructional features, e.g. blending, filament/fibre
    • D02G3/34—Yarns or threads having slubs, knops, spirals, loops, tufts, or other irregular or decorative effects, i.e. effect yarns
    • D02G3/346—Yarns or threads having slubs, knops, spirals, loops, tufts, or other irregular or decorative effects, i.e. effect yarns with coloured effects, i.e. by differential dyeing process

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  • the invention relates to a discrete gradient chromatogram constructed by coupling and mixing four primary color fibers and the spinning of a gradient color yarn, which belongs to the technical field of digital toning spinning and color spinning.
  • Color spinning companies usually mix at least two or more fibers of different colors in the processes of cotton matching, patchwork, cotton fetching, opening and cleaning, drawing, roving, and spinning to obtain discrete gradients such as hue, lightness, and saturation.
  • discrete gradients such as hue, lightness, and saturation.
  • the transition from one color to another through the gradation of hue, lightness, and saturation needs to be achieved through the coupling gradation of the RGB values of the multiple primary colors, so it needs to be based on multiple
  • the coupling gradual change of the primary color RGB value realizes the model and algorithm of the color gradation; according to the textile processing theory, the color spinning realizes the color spinning from one color by coupling the gradation of the multi-element color fiber weight mixing ratio with different hue, lightness and saturation.
  • the traditional color matching method is used to mix different color fiber materials in the pre-spinning cotton, parquet, arranging, opening and cleaning, drawing, roving, spinning and other processes.
  • the traditional color matching method cannot accurately control the different color fibers.
  • the mixing ratio of different colors cannot be achieved in any ratio; on the other hand, the traditional color matching method can only change the mixing ratio offline (off-line), and cannot change the mixing ratio of different colored fibers online (on-line). Therefore, the traditional method cannot achieve color gradation by mixing two color fibers.
  • the technical problem to be solved by the present invention is to provide a discrete gradient chromatogram constructed by coupling and mixing four primary colors of fibers and spinning of gradual color yarns.
  • the discrete gradient of colors is realized through coupling and mixing of four primary colors, and the four primary colors are obtained. From this, the discrete change law of blending ratio is solved, and then based on the discrete change law of draft ratio, the discrete change law of draft ratio is solved, and then the color yarns with discrete gradual changes corresponding to the four primary color fibers can be obtained accurately.
  • the present invention designs a discrete gradient color spectrum constructed by coupling and mixing four primary colors fibers and spinning of gradient color yarns, which are used to obtain four color fibers for four color fibers. Between, based on the combination of different coupling mass ratios, the coupling fiber corresponding to the coupling fiber chromatogram includes the following steps:
  • Step A Regarding the coupling mass ratio of the first color fiber ⁇ , according to the preset number of decreasing times n, decreasing from 100% to 0% in turn, obtain the coupling mass ratio of the ⁇ color fiber under each decreasing order number, and
  • the general formula for the coupling mass ratio corresponding to the descending order number of ⁇ -color fiber is as follows:
  • the coupling mass ratio of the fourth color fiber ⁇ For the coupling mass ratio of the fourth color fiber ⁇ , according to the preset number of increments n, from 0% to 100% in turn, the coupling mass ratio corresponding to the ⁇ color fiber under each increasing order number is obtained, and the The general formula for the coupling mass ratio of the ⁇ color fiber corresponding to the descending order number is as follows:
  • Step B Obtain the combination of the four color fibers ⁇ , ⁇ , ⁇ , ⁇ according to their corresponding coupling mass ratios under different coupling sequence number combinations, that is, the coupling formula of the coupling fiber under each coupling sequence number combination, and further obtain the coupling
  • the general formula for the coupling quality of the fiber's corresponding coupling sequence number combination is as follows:
  • Step C According to the coupling general formula of the coupling sequence number combination corresponding to the coupling fiber, the general formula of the mixing ratio of the four color fibers corresponding to the coupling sequence number combination is obtained as follows:
  • step D K ⁇ i,j,k represents the general formula of the coupling mass mixing ratio of the ⁇ color fiber corresponding to the coupling sequence number combination i,j,k, K ⁇ i,j,k represents the ⁇ color fiber corresponding coupling sequence number combination
  • the general formula of the coupling mass mixing ratio of i,j,k, K ⁇ i,j,k represents the general formula of the coupling mass mixing ratio of the ⁇ color fiber corresponding to the coupling sequence number combination i,j,k, K ⁇ i,j,k represents the ⁇ color
  • Step D According to the general formula of the coupling quality mixing ratio of the four color fibers corresponding to the coupling sequence number combination, for the RGB colors of the four color fibers, obtain the RGB general formula corresponding to the coupling sequence number combination of the coupling fiber, and then obtain the coupling fiber corresponding respectively
  • the colors of the different coupling sequence number combinations are the colors of the coupling fibers corresponding to the different coupling mass ratio combinations between the various color fibers.
  • the coupling fiber chromatogram formulas of the four color fibers based on the different coupling mass ratio combinations are as follows:
  • R Ti,j,k K ⁇ i,j,k *R ⁇ +K ⁇ i,j,k *R ⁇ +K ⁇ i,j,k *R ⁇ +K ⁇ i,j,k *R ⁇
  • G Ti,j,k K ⁇ i,j,k *G ⁇ +K ⁇ i,j,k *G ⁇ +K ⁇ i,j,k *G ⁇ +K ⁇ i,j,k *G ⁇ +K ⁇ i,j,k *G ⁇
  • step E obtain the discretized gradient chromatogram of the four primary color fibers, and then enter step E;
  • R Ti,j,k , G Ti,j,k , B Ti,j,k are the chromatograms of the coupled fiber sample
  • R ⁇ , G ⁇ , B ⁇ is the color tristimulus value of colored fiber ⁇
  • R ⁇ , G ⁇ , B ⁇ are the color tristimulus value of colored fiber ⁇
  • R ⁇ , G ⁇ , B ⁇ are the color tristimulus value of colored fiber ⁇
  • R ⁇ , G ⁇ , B ⁇ are the color tristimulus values of colored fiber ⁇
  • R ⁇ , G ⁇ , B ⁇ are the color tristimulus values of colored fiber ⁇
  • Step E According to the cotton assembling, patchwork, arranging, clearing, drawing, and roving processes in the pre-spinning process, the density of the colored fiber roving corresponding to the four color fibers ⁇ , ⁇ , ⁇ , and ⁇ is obtained ⁇ ⁇ , ⁇ ⁇ , ⁇ ⁇ , ⁇ ⁇ , and then go to step F;
  • Step F According to the general formula of the blending ratio of the four color fibers corresponding to the coupling sequence number combination, combine the linear densities ⁇ ⁇ , ⁇ ⁇ , ⁇ ⁇ , ⁇ ⁇ of the colored fiber rovings corresponding to the four color fibers according to the following formula:
  • step G as follows, after performing step F, proceed to step G;
  • Step G According to the draft ratios E ⁇ i,j,k , E ⁇ i,j,k , E ⁇ i,j,k , E ⁇ i,j,k , E ⁇ i,j,k corresponding to the four colored fiber rovings, and the four colors
  • the linear densities ⁇ ⁇ , ⁇ ⁇ , ⁇ ⁇ , ⁇ ⁇ corresponding to fiber rovings are as follows:
  • ⁇ 'yi,j,k ⁇ ⁇ /E ⁇ i,j,k + ⁇ ⁇ /E ⁇ i,j,k + ⁇ ⁇ /E ⁇ i,j,k + ⁇ ⁇ /E ⁇ i,j,k
  • the step G further includes the following:
  • the four rovings obtained from the four-primary-color fiber are subjected to asynchronous drafting to achieve coupling and mixing, and then they are combined and twisted to form the four-primary-color mixed-color yarn.
  • the coupling general formula of the coupling sequence number combination of the coupling fiber it is as follows:
  • K y ⁇ i,j,k ( ⁇ ⁇ /E ⁇ i,j,k )/( ⁇ ⁇ /E ⁇ i,j,k + ⁇ ⁇ /E ⁇ i,j,k + ⁇ ⁇ /E ⁇ i,jk + ⁇ ⁇ /E ⁇ i,jk )
  • K y ⁇ i,j,k ( ⁇ ⁇ /E ⁇ i,j,k )/( ⁇ ⁇ /E ⁇ i,j,k + ⁇ ⁇ /E ⁇ i,j,k + ⁇ ⁇ /E ⁇ i,jk + ⁇ ⁇ /E ⁇ i,jk )
  • K y ⁇ i,j,k ( ⁇ ⁇ /E ⁇ i,j,k )/( ⁇ ⁇ /E ⁇ i,j,k + ⁇ ⁇ /E ⁇ i,j,k + ⁇ ⁇ /E ⁇ i,jk + ⁇ ⁇ /E ⁇ i,jk )
  • K y ⁇ i,j,k ( ⁇ ⁇ /E ⁇ i,j,k )/( ⁇ ⁇ /E ⁇ i,j,k + ⁇ ⁇ /E ⁇ i,j,k + ⁇ ⁇ /E ⁇ i,jk + ⁇ ⁇ /E ⁇ i,jk )
  • K y ⁇ i,j,k K y ⁇ i,j,k , K y ⁇ i,j,k , K y ⁇ i,j,k , K y ⁇ i,j,k of the four color fibers in the yarn corresponding to the coupling sequence number combination;
  • K y ⁇ i, j, k represents the color of the fiber yarn ⁇ sequence number corresponding to the coupling combination i, j, k of formula blending ratio
  • K y ⁇ i, j, k represents the color of the fiber blended ⁇ sequence number corresponding to the coupling combination i, j, k of
  • the general formula of ratio, K y ⁇ i,j,k represents the general formula of the blending ratio of the ⁇ -color fiber corresponding to the coupling sequence number combination i,j,k, Ky ⁇ i,j,k represents the ⁇ -color fiber corresponding coupling sequence number combination i,j,k
  • the blending ratio is the general formula.
  • step H As a preferred technical solution of the present invention, it also includes step H as follows, after step G is executed, step H is entered;
  • Step H According to the general formula of the blending ratio of the four color fibers corresponding to the coupling sequence number combination, for the RGB colors of the four color fibers, the RGB general formula of the coupling sequence number combination corresponding to the coupling fiber is obtained as follows:
  • R yi, j, k K y ⁇ i, j, k * R y ⁇ + K y ⁇ i, j, k * R y ⁇ + K y ⁇ i, j, k * R y ⁇ + K ⁇ i, j, k * R y ⁇ + K ⁇ i, j, k * R y ⁇
  • G yi, j, k K y ⁇ i, j, k * G y ⁇ + K y ⁇ i, j, k * G y ⁇ + K y ⁇ i, j, k * G y ⁇ + K y ⁇ i, j, k * G y ⁇ + K y ⁇ i, j, k * G y ⁇ + K y ⁇ i, j, k * G y ⁇
  • R y ⁇ , G y ⁇ , B y ⁇ ⁇ represents a line density of color of the fiber is spun ⁇ 'yarn yi, j, k are tristimulus values of the color; R y ⁇ , G y ⁇ , B y ⁇ color fiber expressed ⁇
  • the color tristimulus value of the yarn spun with a linear density of ⁇ 'yi ,j,k , R y ⁇ , G y ⁇ , and B y ⁇ represent the yarn with a linear density of ⁇ 'yi ,j,k spun with a ⁇ -color fiber
  • the color of the line is tristimulus value.
  • the invention designs a discrete gradual chromatogram constructed by coupling and mixing four primary color fibers and spinning of gradual color yarn.
  • the quality of the four primary color fibers is used as a carrier to construct an increasing and decreasing quality sequence, and the combination and pairing are used as the four primary color fibers Mass coupling mixing and gradient mixing model.
  • the discrete gradient chromatogram of four-primary fiber and the discrete algorithm of drafting ratio of spinning color discrete gradient colored yarn are constructed, and the four-primary color is realized based on coupling mixing.
  • the discrete gradation effect of yarn color is used to spin discretely gradual gradual color yarns with serialized characteristics, or spin a gradual color yarn with a natural gradation effect on a yarn.
  • the secondary color matching between the multiple primary color fibers can be efficiently realized, and the discrete gradation serialized colors and discrete gradation colors in the full color gamut space can be obtained, and then the four colors can be accurately realized. Obtaining the colored yarns with discrete gradients corresponding to each color fiber.
  • Fig. 1 is a schematic diagram of the spinning process of discrete gradual chromatogram and gradual color yarn constructed by coupling and mixing of four primary color fibers according to the present invention.
  • the present invention designs a discrete gradient color spectrum constructed by four-primary color fiber coupling and mixing and spinning of gradient color yarns, which is used for four color fibers to obtain the four color fibers, based on different coupling mass ratios.
  • the coupling fiber corresponding to the fiber chromatography, as shown in Figure 1, specifically includes the following steps.
  • Step A Regarding the coupling mass ratio of the first color fiber ⁇ , according to the preset number of decreasing times n, decreasing from 100% to 0% in turn, obtain the coupling mass ratio of the ⁇ color fiber under each decreasing order number, and
  • the general formula for the coupling mass ratio corresponding to the descending order number of ⁇ -color fiber is as follows:
  • the coupling mass ratio of the fourth color fiber ⁇ For the coupling mass ratio of the fourth color fiber ⁇ , according to the preset number of increments n, from 0% to 100% in turn, the coupling mass ratio corresponding to the ⁇ color fiber under each increasing order number is obtained, and the The general formula for the coupling mass ratio of the ⁇ color fiber corresponding to the descending order number is as follows:
  • Step B Obtain the combination of the four color fibers ⁇ , ⁇ , ⁇ , ⁇ according to their corresponding coupling mass ratios under different coupling sequence number combinations, that is, the coupling formula of the coupling fiber under each coupling sequence number combination, and further obtain the coupling
  • the general formula for the coupling quality of the fiber's corresponding coupling sequence number combination is as follows:
  • Step C According to the coupling general formula of the coupling sequence number combination corresponding to the coupling fiber, the general formula of the mixing ratio of the four color fibers corresponding to the coupling sequence number combination is obtained as follows:
  • step D K ⁇ i,j,k represents the general formula of the coupling mass mixing ratio of the ⁇ color fiber corresponding to the coupling sequence number combination i,j,k, K ⁇ i,j,k represents the ⁇ color fiber corresponding coupling sequence number combination
  • the general formula of the coupling mass mixing ratio of i,j,k, K ⁇ i,j,k represents the general formula of the coupling mass mixing ratio of the ⁇ color fiber corresponding to the coupling sequence number combination i,j,k, K ⁇ i,j,k represents the ⁇ color
  • the general formula of the coupling mass mixing ratio of the fiber corresponding to the coupling sequence number combination i, j, k is shown in Table 2.
  • Step D According to the general formula of the coupling quality mixing ratio of the four color fibers corresponding to the coupling sequence number combination, for the RGB colors of the four color fibers, obtain the RGB general formula corresponding to the coupling sequence number combination of the coupling fiber, and then obtain the coupling fiber corresponding respectively
  • the colors of the different coupling sequence number combinations are the colors of the coupling fibers corresponding to the different coupling mass ratio combinations between the various color fibers.
  • the coupling fiber chromatogram formulas of the four color fibers based on the different coupling mass ratio combinations are as follows:
  • R Ti,j,k K ⁇ i,j,k *R ⁇ +K ⁇ i,j,k *R ⁇ +K ⁇ i,j,k *R ⁇ +K ⁇ i,j,k *R ⁇
  • G Ti,j,k K ⁇ i,j,k *G ⁇ +K ⁇ i,j,k *G ⁇ +K ⁇ i,j,k *G ⁇ +K ⁇ i,j,k *G ⁇ +K ⁇ i,j,k *G ⁇
  • step E obtain the discretized gradient chromatogram of the four primary color fibers, as shown in Table 3 below, and then enter step E; where R Ti,j,k , G Ti,j,k and B Ti,j,k are the chromatograms of the coupled fiber sample , R ⁇ , G ⁇ , B ⁇ are the color tristimulus value of colored fiber ⁇ , R ⁇ , G ⁇ , B ⁇ are the color tristimulus value of colored fiber ⁇ , R ⁇ , G ⁇ , B ⁇ are the color fiber ⁇ Color tristimulus values, R ⁇ , G ⁇ , and B ⁇ are the color tristimulus values of colored fiber ⁇ .
  • Step E According to the cotton assembling, patchwork, arranging, clearing, drawing, and roving processes in the pre-spinning process, the density of the colored fiber roving corresponding to the four color fibers ⁇ , ⁇ , ⁇ , and ⁇ is obtained ⁇ ⁇ , ⁇ ⁇ , ⁇ ⁇ , ⁇ ⁇ , and then go to step F.
  • Step F According to the general formula of the blending ratio of the four color fibers corresponding to the coupling sequence number combination, combine the linear densities ⁇ ⁇ , ⁇ ⁇ , ⁇ ⁇ , ⁇ ⁇ of the colored fiber rovings corresponding to the four color fibers according to the following formula:
  • the blending ratio of the four primary color fibers in the yarn is shown in Table 5 below.
  • the four colored fiber rovings are asynchronously drafted, combined and twisted to obtain Chromatographically coupled yarn corresponding to the coupled fiber chromatogram, and then go to step G; among them, ⁇ yi,j,k means for four color fibers ⁇ , ⁇ , ⁇ , ⁇ , corresponding to the coupling sequence number combination i, j, k
  • ⁇ yi,j,k means for four color fibers ⁇ , ⁇ , ⁇ , ⁇ , corresponding to the coupling sequence number combination i, j, k
  • Step G According to the draft ratios E ⁇ i,j,k , E ⁇ i,j,k , E ⁇ i,j,k , E ⁇ i,j,k , E ⁇ i,j,k corresponding to the four colored fiber rovings, and the four colors
  • the linear densities ⁇ ⁇ , ⁇ ⁇ , ⁇ ⁇ , ⁇ ⁇ corresponding to fiber rovings are as follows:
  • ⁇ 'yi,j,k ⁇ ⁇ /E ⁇ i,j,k + ⁇ ⁇ /E ⁇ i,j,k + ⁇ ⁇ /E ⁇ i,j,k + ⁇ ⁇ /E ⁇ i,j,k
  • the coupling sequence number combination corresponding to the coupling fiber it is as follows:
  • K y ⁇ i,j,k ( ⁇ ⁇ /E ⁇ i,j,k )/( ⁇ ⁇ /E ⁇ i,j,k + ⁇ ⁇ /E ⁇ i,j,k + ⁇ ⁇ /E ⁇ i,jk + ⁇ ⁇ /E ⁇ i,jk )
  • K y ⁇ i,j,k ( ⁇ ⁇ /E ⁇ i,j,k )/( ⁇ ⁇ /E ⁇ i,j,k + ⁇ ⁇ /E ⁇ i,j,k + ⁇ ⁇ /E ⁇ i,jk + ⁇ ⁇ /E ⁇ i,jk )
  • K y ⁇ i,j,k ( ⁇ ⁇ /E ⁇ i,j,k )/( ⁇ ⁇ /E ⁇ i,j,k + ⁇ ⁇ /E ⁇ i,j,k + ⁇ ⁇ /E ⁇ i,jk + ⁇ ⁇ /E ⁇ i,jk )
  • K y ⁇ i,j,k ( ⁇ ⁇ /E ⁇ i,j,k )/( ⁇ ⁇ /E ⁇ i,j,k + ⁇ ⁇ /E ⁇ i,j,k + ⁇ ⁇ /E ⁇ i,jk + ⁇ ⁇ /E ⁇ i,jk )
  • K y ⁇ i,j,k K y ⁇ i,j,k , K y ⁇ i,j,k , K y ⁇ i,j,k , K y ⁇ i,j,k of the four color fibers in the yarn corresponding to the coupling sequence number combination;
  • K y ⁇ i, j, k represents the color of the fiber yarn ⁇ sequence number corresponding to the coupling combination i, j, k of formula blending ratio
  • K y ⁇ i, j, k represents the color of the fiber blended ⁇ sequence number corresponding to the coupling combination i, j, k of
  • the general formula of ratio, K y ⁇ i,j,k represents the general formula of the blending ratio of the ⁇ -color fiber corresponding to the coupling sequence number combination i,j,k, Ky ⁇ i,j,k represents the ⁇ -color fiber corresponding coupling sequence number combination i,j,k
  • the blending ratio is the general formula.
  • Step H According to the general formula of the blending ratio of the four color fibers corresponding to the coupling sequence number combination, for the RGB colors of the four color fibers, the RGB general formula of the coupling sequence number combination corresponding to the coupling fiber is obtained as follows:
  • R yi, j, k K y ⁇ i, j, k * R y ⁇ + K y ⁇ i, j, k * R y ⁇ + K y ⁇ i, j, k * R y ⁇ + K ⁇ i, j, k * R y ⁇ + K ⁇ i, j, k * R y ⁇
  • G yi, j, k K y ⁇ i, j, k * G y ⁇ + K y ⁇ i, j, k * G y ⁇ + K y ⁇ i, j, k * G y ⁇ + K y ⁇ i, j, k * G y ⁇ + K y ⁇ i, j, k * G y ⁇ + K y ⁇ i, j, k * G y ⁇
  • R y ⁇ , G y ⁇ , B y ⁇ ⁇ represents a line density of color of the fiber is spun ⁇ 'yarn yi, j, k are tristimulus values of the color; R y ⁇ , G y ⁇ , B y ⁇ color fiber expressed ⁇
  • the color tristimulus value of the yarn spun with a linear density of ⁇ 'yi ,j,k , R y ⁇ , G y ⁇ , and B y ⁇ represent the yarn with a linear density of ⁇ 'yi ,j,k spun with a ⁇ -color fiber
  • the line color tristimulus values are listed in Table 6 below.
  • Example 7 The discrete gradient chromatogram constructed by the coupling and mixing of the four-primary-color fibers designed in the above technical scheme and the spinning of gradient-colored yarns are applied in practice.
  • the chromatogram is shown in Table 7 below.
  • the color value of yarn spun with colored roving ⁇ m ⁇ as raw material is measured as m ⁇ (R ym ⁇ , G ym ⁇ , B ym ⁇ ), and the color value of yarn spun with colored roving ⁇ ⁇ as raw material is measured as (R y, G y, B y) , a colored yarn roving ⁇ ⁇ measured raw spun obtaining color values (R y, G y, B y), as in color roving ⁇ ⁇ spun yarn materials
  • the measured color value is m ⁇ (R y ⁇ , G y ⁇ , B y ⁇ ), and the color value of each segment of the digital spinning yarn with a gradient of 10% is calculated by the following formula.
  • the obtained values are listed in Table 9 to obtain a calculation method for a graded yarn with a graded gradient of 10%.
  • R yi, j, k K y ⁇ i, j, k * R y ⁇ + K y ⁇ i, j, k * R y ⁇ + K y ⁇ i, j, k * R y ⁇ + K ⁇ i, j, k * R y ⁇ + K ⁇ i, j, k * R y ⁇
  • G yi, j, k K y ⁇ i, j, k * G y ⁇ + K y ⁇ i, j, k * G y ⁇ + K y ⁇ i, j, k * G y ⁇ + K y ⁇ i, j, k * G y ⁇ + K y ⁇ i, j, k * G y ⁇ + K y ⁇ i, j, k * G y ⁇
  • the above-mentioned technical scheme designs a discrete gradual chromatogram constructed by coupling and mixing four primary colors and spinning of gradual color yarns.
  • the quality of the four primary colors is used as a carrier to construct an increasing and decreasing quality sequence, and the combination and pairing are used as the four primary colors.
  • Fiber quality coupling mixing and gradient mixing model Based on this model, the discrete gradient chromatogram of the four-primary color fiber and the drafting ratio discrete algorithm for spinning the color discrete gradient colored yarn are constructed, and the four-primary colors are obtained based on the coupling mixing Realize the discrete gradation effect of yarn colors, used to spin discretely gradual color yarns with serialized color characteristics, or spin a gradual color yarn with a natural color gradation effect on a yarn.
  • the secondary color matching between the multiple primary color fibers can be efficiently realized, and the discrete gradation serialized colors and discrete gradation colors in the full color gamut space can be obtained, and then the four colors can be accurately realized. Obtaining the colored yarns with discrete gradations corresponding to each color fiber.

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Abstract

一种四基色纤维耦合混配构建的离散渐变色谱及渐变色纱的纺制，以四基色纤维质量为载体，构建递增和递减的质量序列，并将其组合配对作为四基色纤维质量耦合混配与梯度混配模型，依据该模型构建了四基色纤维的离散渐变色谱、及纺制色彩离散渐变彩色纱线的牵伸比离散算法，并由此获得四基色基于耦合混配实现纱线色彩的离散渐变效果，用于纺制色彩离散渐变的具有色彩系列化特征的纱线，或者纺制在一根纱线上具有色彩自然渐变效果的渐变色纱线。由此基于四基色纤维之间的耦合质量比，能够高效实现多元基色纤维之间的二次色匹配，并获得全色域空间内的离散渐变的系列化色彩和离散渐变色彩，进而准确实现四种颜色纤维所对应各色彩离散渐变的彩色纱线的获得。

Description

一种四基色纤维耦合混配构建的离散渐变色谱及渐变色纱的纺制 技术领域
本发明涉及一种四基色纤维耦合混配构建的离散渐变色谱及渐变色纱的纺制，属于数字化调色纺纱与彩色纺纱技术领域。
背景技术
纺织品及服饰产品色彩受流行趋势影响，具有周期短、变化快、时尚效应显著等特点。纺织企业必须具备快速调制和纺制色相、明度、饱和度离散渐变的系列化色彩的纤维、纱线、织物及服装，以敏捷制造、快速响应以应对快速、多变的市场需求。
色纺纱企业通常在配棉、拼花、抓棉、开清棉、并条、粗纱、细纱等工序将至少两种以上不同色彩的纤维进行混合，以此得到色相、明度、饱和度等离散渐变的系列化色彩，或者在纱线、织物及服饰产品上实现色相、明度、饱和度等离散渐变的渐变色彩。
在理论上，依据色彩学理论，通过色相、明度、饱和度的渐变从一种颜色渐变过渡到另一种颜色，需要通过多元基色的RGB值的耦合渐变来实现的，因此需要建立基于以多元基色RGB值的耦合渐变实现色彩渐变的模型和算法；依据纺织加工理论，色纺纱通过将色相、明度、饱和度均不同的多元基色彩色纤维重量混合比耦合渐变实现色纺纱从一种颜色渐变过渡到另一种颜色，因此需要建立多元基色纤维重量混合比耦合渐变实现色纺纱及纺织品色彩渐变的模型和算法；依据数码纺纱加工理论，通过调控多元基色纤维混合比，需将多通道数码纺纱牵伸比的渐变与多元基色纤维的重量混合比耦合渐变对应起来，从而实现色纺纱从一种颜色渐变过渡到另一种颜色，因此需要建立多通道耦合牵伸渐变与多元基色纤维重量混合比耦合渐变的模型和算法。
如何通过多元基色RGB值的耦合渐变实现色彩的渐变？以及如何通过多元基色纤维重量混合比的耦合渐变实现色纺纱色彩的渐变？如何通过多通道异步牵伸的欧和渐变实现多元基色纤维混合比的耦合渐变，并进一步实现色纺纱色彩的耦合渐变？更进一步如何将多元基色RGB值的耦合渐变、多元基色纤维混合比的耦合渐变以及牵伸比的耦合渐变三者关联起来进行设计，目前还缺少有效的理论和方法。
采用传统配色方法，在前纺的配棉、拼花、排包、开清棉、并条、粗纱、细纱等工序中进行不同色彩纤维原料的混配，一方面传统配色方法无法精准控制不同色纤维的混合比，无法以任意比例实现不同色彩的纤维的混合；另一方面传统配色方法只能离线(Off-line)改变混纺比，不能在线(On-line)改变不同色纤维的混合比。因此，用传统方法无法通过两种色纤维的混配实现色彩的渐变。
根据发明专利“CN201510142129.0基于CMYK四基色粗纱耦合牵伸实现混配色纺纱的方法及装置”提供的方法，虽然能调控混纺比的在线变化，但如何调控四通道牵伸比的变化以实现多元基色纤维重量混合比的耦合渐变？以及如何通过多元基色纤维重量混合比的耦合渐变实现色纺纱RGB值的耦合渐变？更进一步如何通过色纺纱RGB值耦合渐变实现色纺纱色彩的渐变？并未给出解决方案。
发明内容
本发明所要解决的技术问题是提供一种四基色纤维耦合混配构建的离散渐变色谱及渐变色纱的纺制，通过四基色纤维耦合混配实现色彩的离散渐变，获得四基色离散渐变色谱，由此求解混纺比的离散变化规律，再基于牵伸比的离散变化规律，求解牵伸比的离散变化规律，进而准确实现四基色纤维所对应各色彩离散渐变的彩色纱线的获得。
本发明为了解决上述技术问题采用以下技术方案：本发明设计了一种四基色纤维耦合混配构建的离散渐变色谱及渐变色纱的纺制，用于针对四种颜色纤维，获得四种颜色纤维之间，基于不同耦合质量比组合下、耦合纤维色谱所对应的耦合纤维，包括如下步骤：
步骤A.针对其中第一种颜色纤维α的耦合质量比，按预设递减次数n，由100％依次等比例递减至0％，获得各递减次序号下、α颜色纤维的耦合质量比，并获得α颜色纤维对应递减次序号的耦合质量比通式如下：
m α*(n-i+1)/n
针对第二种颜色纤维β的耦合质量比，按预设递增次数n，由0％依次等比例递增至100％，获得各递增次序号下、β颜色纤维分别所对应的耦合质量比，并获得β颜色纤维对应递减次序号的耦合质量比通式如下：
m β*(i-1)/n
针对第三种颜色纤维γ的耦合质量比，按预设递增次数n，由0％依次等比例递增至100％，获得各递增次序号下、γ颜色纤维分别所对应的耦合质量比，并获得γ颜色纤维对应递减次序号的耦合质量比通式如下：
m γ*(i-1)/n
针对第四种颜色纤维δ的耦合质量比，按预设递增次数n，由0％依次等比例递增至100％，获得各递增次序号下、δ颜色纤维分别所对应的耦合质量比，并获得δ颜色纤维对应递减次序号的耦合质量比通式如下：
m δ*(i-1)/n
其中，预设递减次数等于预设递增次数，i＝1、2、…、n、n+1，m α表示α颜色纤维的质量，m β表示β颜色纤维的质量，m γ表示γ颜色纤维的质量,m δ表示δ颜色纤维的质量，然后进入步骤B；
步骤B.分别获得不同耦合次序号组合下、四种颜色纤维α、β、γ、δ按其对应耦合质量比的组合，即各耦合次序号组合下、耦合纤维的耦合式，并进一步获得耦合纤维对应耦合次序号组合的耦合质量通式如下：
Figure PCTCN2019115211-appb-000001
然后进入步骤C；其中，T i,j,k表示耦合纤维对应耦合次序号组合i,j,k的耦合质量通式，j＝1、2、…、n、n+1，k＝1、2、…、n、n+1，且(i+j)≤(n+2)、(i+k)≤(n+2)、(j+k)≤(n+2)；
步骤C.根据耦合纤维对应耦合次序号组合的耦合通式，获得四种颜色纤维分别对应耦合次序号组合的混合比通式如下:
Figure PCTCN2019115211-appb-000002
Figure PCTCN2019115211-appb-000003
Figure PCTCN2019115211-appb-000004
Figure PCTCN2019115211-appb-000005
然后进入步骤D；其中：K αi,j,k表示α颜色纤维对应耦合次序号组合i,j,k的耦合质量混合比通式，K βi,j,k表示β颜色纤维对应耦合次序号组合i,j,k的耦合质量混合比通式，K γi,j,k表示γ颜色纤维对应耦合次序号组合i,j,k的耦合质量混合比通式，K δi,j,k表示δ颜色纤维对应耦合次序号组合i,j,k的耦合质量混合比通式；
步骤D.根据四种颜色纤维分别对应耦合次序号组合的耦合质量混合比通式，针对四种颜色纤维的RGB色，获得耦合纤维对应耦合次序号组合的RGB通式，进而获得耦合纤维分别对应不同耦合次序号组合的色彩，即获得耦合纤维分别对应其中各种颜色纤维之间不同耦合质量比组合的色彩，构成四种颜色纤维基于不同耦合质量比组合的耦合纤维色谱通式如下：
R Ti,j,k＝K αi,j,k*R α+K βi,j,k*R β+K γi,j,k*R γ+K δi,j,k*R δ
G Ti,j,k＝K αi,j,k*G α+K βi,j,k*G β+K γi,j,k*G γ+K δi,j,k*G δ
B Ti,j,k＝K αi,j,k*B α+K βi,j,k*B β+K γi,j,k*B γ+K δi,j,k*B δ
进而获得四基色纤维离散化渐变色谱，然后进入步骤E；其中，R Ti,j,k、G Ti,j,k、B Ti,j,k为耦合纤维子样的色谱，R α、G α、B α为彩色纤维α的颜色三刺激值，R β、G β、B β为彩色纤维β的颜色三刺激值，R γ、G γ、B γ为彩色纤维γ的颜色三刺激值，R δ、G δ、B δ为彩色纤维δ的颜色三刺激值；
步骤E.根据前纺过程中的配棉、拼花、排包、开清棉、并条、粗纱工序，获得四种颜色纤维α、β、γ、δ分别所对应彩色纤维粗纱的密度ρ α、ρ β、ρ γ、ρ δ，然后进入步骤F；
步骤F.根据四种颜色纤维分别对应耦合次序号组合的混纺比通式，结合四种颜色纤维分别所对应彩色纤维粗纱的线密度ρ α、ρ β、ρ γ、ρ δ，按如下公式：
E αi,j,k＝K αi,j,k*ρ yi,j,k/ρ α
E βi,j,k＝K βi,j,k*ρ yi,j,k/ρ β
E γi,j,k＝K γi,j,k*ρ yi,j,k/ρ γ
E δi,j,k＝K δi,j,k*ρ yi,j,k/ρ δ
获得四种彩色纤维粗纱分别所对应其通道的牵伸比E αi,j,k、E βi,j,k、E γi,j,k、E δi,j,k，则基于牵伸比E αi,j,k、E βi,j,k、E γi,j,k、E δi,j,k，针对四种彩色纤维粗纱进行异步牵伸、汇合加捻后，获得耦合纤维色谱所对应的色谱耦合的纱线，其中，ρ yi,j,k表示针对四种颜色纤维α、β、γ、δ，对应耦合次序号组合i,j,k进行异步牵伸、汇合加捻后所获纱线的预设线密度。
作为本发明的一种优选技术方案：还包括步骤G如下，执行完步骤F之后，进入步骤G；
步骤G.根据四种彩色纤维粗纱分别所对应其通道的牵伸比E αi,j,k、E βi,j,k、E γi,j,k、E δi,j,k，以及四种彩色纤维粗纱分别所对应的线密度ρ α、ρ β、ρ γ、ρ δ，按如下公式：
ρ' yi,j,k＝ρ α/E αi,j,k+ρ β/E βi,j,k+ρ γ/E γi,j,k+ρ δ/E δi,j,k
获得针对四种彩色纤维粗纱，对应耦合次序号组合i,j,k进行异步牵伸、汇合加捻后所获纱线的实际线密度ρ' yi,j,k。
作为本发明的一种优选技术方案：所述步骤G中，还包括如下：
将四基色纤维制备所获四根粗纱经异步牵伸实现耦合混配，再汇合加捻形成四基色混色纱线，根据耦合纤维对应耦合次序号组合的耦合通式，按如下公式：
K yαi,j,k＝(ρ α/E αi,j,k)/(ρ α/E αi,j,k+ρ β/E βi,j,k+ρ γ/E γi,j.k+ρ δ/E δi,j.k)
K yβi,j,k＝(ρ β/E βi,j,k)/(ρ α/E αi,j,k+ρ β/E βi,j,k+ρ γ/E γi,j.k+ρ δ/E δi,j.k)
K yγi,j,k＝(ρ γ/E γi,j,k)/(ρ α/E αi,j,k+ρ β/E βi,j,k+ρ γ/E γi,j.k+ρ δ/E δi,j.k)
K yδi,j,k＝(ρ δ/E δi,j,k)/(ρ α/E αi,j,k+ρ β/E βi,j,k+ρ γ/E γi,j.k+ρ δ/E δi,j.k)
获得纱线中四种颜色纤维分别对应耦合次序号组合的混合比通式K yαi,j,k、K yβi,j,k、K yγi,j,k、K yδi,j,k；其中，K yαi,j,k表示纱线中α颜色纤维对应耦合次序号组合i,j,k的混纺比通式，K yβi,j,k表示β颜色纤维对应耦合次序号组合i,j,k的混纺比通式，K yγi,j,k表示γ颜色纤维对应耦合次序号组合i,j,k的混纺比通式，K yδi,j,k表示δ颜色纤维对应耦合次序号组合i,j,k的混纺比通式。
作为本发明的一种优选技术方案：还包括步骤H如下，执行完步骤G之后，进入步骤H；
步骤H.根据四种颜色纤维分别对应耦合次序号组合的混纺比通式，针对四种颜色纤维的RGB色，获得耦合纤维对应耦合次序号组合的RGB通式如下：
R yi,j,k＝K yαi,j,k*R yα+K yβi,j,k*R yβ+K yγi,j,k*R yγ+K δγi,j,k*R yδ
G yi,j,k＝K yαi,j,k*G yα+K yβi,j,k*G yβ+K yγi,j,k*G yγ+K yδi,j,k*G yδ
B yi,j,k＝K yαi,j,k*B yα+K yβi,j,k*B yβ+K yγi,j,k*B yγ+K yδi,j,k*B yδ
其中，R yα、G yα、B yα表示以α颜色纤维纺制的线密度为ρ' yi,j,k的纱线的颜色三刺激值；R yβ、G yβ、B yβ表示以β颜色纤维纺制的线密度为ρ' yi,j,k的纱线的颜色三刺激值，R yγ、G yγ、B yγ表示以γ颜色纤维纺制的线密度为ρ' yi,j,k的纱线的颜色三刺激值。
本发明所述一种四基色纤维耦合混配构建的离散渐变色谱及渐变色纱的纺制，采用以上技术方案与现有技术相比，具有以下技术效果：
本发明所设计一种四基色纤维耦合混配构建的离散渐变色谱及渐变色纱的纺制，以四基色纤维质量为载体，构建递增和递减的质量序列，并将其组合配对作为四基色纤维质量耦合混配与梯度混配模型，依据该模型构建了四基色纤维的离散渐变色谱、及纺制色彩离散渐变彩色纱线的牵伸比离散算法，并由此获得四基色基于耦合混配实现纱线色彩的离散渐变效果，用于纺制色彩离散渐变的具有色彩系列化特征的纱线，或者纺制在一根纱线上具有色彩自然渐变效果的渐变色纱线。由此基于四基色纤维之间的耦合质量比，能够高效实现多元基色纤维之间的二次色匹配，并获得全色域空间内的离散渐变的系列化色彩和离散渐变色彩，进而准确实现四种颜色纤维所对应各色彩离散渐变的彩色纱线的获得。
附图说明
图1是本发明设计四基色纤维耦合混配构建的离散渐变色谱及渐变色纱的纺制的流程示意图。
具体实施方式
下面结合说明书附图对本发明的具体实施方式作进一步详细的说明。
本发明设计了一种四基色纤维耦合混配构建的离散渐变色谱及渐变色纱的纺制，用于针对四种颜色纤维，获得四种颜色纤维之间，基于不同耦合质量比组合下、耦合纤维色谱所对应的耦合纤维，如图1所示，具体包括如下步骤。
步骤A.针对其中第一种颜色纤维α的耦合质量比，按预设递减次数n，由100％依次等比例递减至0％，获得各递减次序号下、α颜色纤维的耦合质量比，并获得α颜色纤维对应递减次序号的耦合质量比通式如下：
m α*(n-i+1)/n
针对第二种颜色纤维β的耦合质量比，按预设递增次数n，由0％依次等比例递增至100％，获得各递增次序号下、β颜色纤维分别所对应的耦合质量比，并获得β颜色纤维对应递减次序号的耦合质量比通式如下：
m β*(i-1)/n
针对第三种颜色纤维γ的耦合质量比，按预设递增次数n，由0％依次等比例递增至100％，获得各递增次序号下、γ颜色纤维分别所对应的耦合质量比，并获得γ颜色纤维对应递减次序号的耦合质量比通式如下：
m γ*(i-1)/n
针对第四种颜色纤维δ的耦合质量比，按预设递增次数n，由0％依次等比例递增至100％，获得各递增次序号下、δ颜色纤维分别所对应的耦合质量比，并获得δ颜色纤维对应递减次序号的耦合质量比通式如下：
m δ*(i-1)/n
其中，预设递减次数等于预设递增次数，i＝1、2、…、n、n+1，m α表示α颜色纤维的质量，m β表示β颜色纤维的质量，m γ表示γ颜色纤维的质量,m δ表示δ颜色纤维的质量，然后进入步骤B。
步骤B.分别获得不同耦合次序号组合下、四种颜色纤维α、β、γ、δ按其对应耦合质量比的组合，即各耦合次序号组合下、耦合纤维的耦合式，并进一步获得耦合纤维对应耦合次序号组合的耦合质量通式如下：
Figure PCTCN2019115211-appb-000006
然后进入步骤C；其中，T i,j,k表示耦合纤维对应耦合次序号组合i,j,k的耦合质量通式， j＝1、2、…、n、n+1，k＝1、2、…、n、n+1，且(i+j)≤(n+2)、(i+k)≤(n+2)、(j+k)≤(n+2)。
实际应用当中，耦合纤维对应耦合次序号组合的耦合如下表1所示。
Figure PCTCN2019115211-appb-000007
表1
步骤C.根据耦合纤维对应耦合次序号组合的耦合通式，获得四种颜色纤维分别对应耦合次序号组合的混合比通式如下:
Figure PCTCN2019115211-appb-000008
Figure PCTCN2019115211-appb-000009
Figure PCTCN2019115211-appb-000010
Figure PCTCN2019115211-appb-000011
然后进入步骤D；其中：K αi,j,k表示α颜色纤维对应耦合次序号组合i,j,k的耦合质量混合比通式，K βi,j,k表示β颜色纤维对应耦合次序号组合i,j,k的耦合质量混合比通式，K γi,j,k表示γ颜色纤维对应耦合次序号组合i,j,k的耦合质量混合比通式，K δi,j,k表示δ颜色纤维对应耦合次序号组合i,j,k的耦合质量混合比通式，具体如表2所示。
Figure PCTCN2019115211-appb-000012
表2
步骤D.根据四种颜色纤维分别对应耦合次序号组合的耦合质量混合比通式，针对四种颜色纤维的RGB色，获得耦合纤维对应耦合次序号组合的RGB通式，进而获得耦合纤维分别对应不同耦合次序号组合的色彩，即获得耦合纤维分别对应其中各种颜色纤维之间不同耦合质量比组合的色彩，构成四种颜色纤维基于不同耦合质量比组合的耦合纤维色谱通式如下：
R Ti,j,k＝K αi,j,k*R α+K βi,j,k*R β+K γi,j,k*R γ+K δi,j,k*R δ
G Ti,j,k＝K αi,j,k*G α+K βi,j,k*G β+K γi,j,k*G γ+K δi,j,k*G δ
B Ti,j,k＝K αi,j,k*B α+K βi,j,k*B β+K γi,j,k*B γ+K δi,j,k*B δ
进而获得四基色纤维离散化渐变色谱，如下表3所示，然后进入步骤E；其中，R Ti,j,k、G Ti,j,k、B Ti,j,k为耦合纤维子样的色谱，R α、G α、B α为彩色纤维α的颜色三刺激值，R β、G β、B β为彩色纤维β的颜色三刺激值，R γ、G γ、B γ为彩色纤维γ的颜色三刺激值，R δ、G δ、B δ为彩色纤维δ的颜色三刺激值。
Figure PCTCN2019115211-appb-000013
Figure PCTCN2019115211-appb-000014
表3
步骤E.根据前纺过程中的配棉、拼花、排包、开清棉、并条、粗纱工序，获得四种颜色纤维α、β、γ、δ分别所对应彩色纤维粗纱的密度ρ α、ρ β、ρ γ、ρ δ，然后进入步骤F。
步骤F.根据四种颜色纤维分别对应耦合次序号组合的混纺比通式，结合四种颜色纤维分别所对应彩色纤维粗纱的线密度ρ α、ρ β、ρ γ、ρ δ，按如下公式：
E αi,j,k＝K αi,j,k*ρ yi,j,k/ρ α
E βi,j,k＝K βi,j,k*ρ yi,j,k/ρ β
E γi,j,k＝K γi,j,k*ρ yi,j,k/ρ γ
E δi,j,k＝K δi,j,k*ρ yi,j,k/ρ δ
获得四种彩色纤维粗纱分别所对应其通道的牵伸比E αi,j,k、E βi,j,k、E γi,j,k、E δi,j,k，如下表4所示。
Figure PCTCN2019115211-appb-000015
表4
则纱线中四基色纤维混纺比，如下表5所示。
Figure PCTCN2019115211-appb-000016
表5
则基于牵伸比E αi,j,k、E βi,j,k、E γi,j,k、E δi,j,k，针对四种彩色纤维粗纱进行异步牵伸、汇合加捻后，获得耦合纤维色谱所对应的色谱耦合的纱线，然后进入步骤G；其中，ρ yi,j,k表示针对四种颜色纤维α、β、γ、δ，对应耦合次序号组合i,j,k进行异步牵伸、汇合加捻后所获纱线的预设线密度。
步骤G.根据四种彩色纤维粗纱分别所对应其通道的牵伸比E αi,j,k、E βi,j,k、E γi,j,k、E δi,j,k，以及四种彩色纤维粗纱分别所对应的线密度ρ α、ρ β、ρ γ、ρ δ，按如下公式：
ρ' yi,j,k＝ρ α/E αi,j,k+ρ β/E βi,j,k+ρ γ/E γi,j,k+ρ δ/E δi,j,k
获得针对四种彩色纤维粗纱，对应耦合次序号组合i,j,k进行异步牵伸、汇合加捻后所获 纱线的实际线密度ρ' yi,j,k。
然后将四基色纤维制备所获四根粗纱经异步牵伸实现耦合混配，再汇合加捻形成四基色混色纱线，根据耦合纤维对应耦合次序号组合的耦合通式，按如下公式：
K yαi,j,k＝(ρ α/E αi,j,k)/(ρ α/E αi,j,k+ρ β/E βi,j,k+ρ γ/E γi,j.k+ρ δ/E δi,j.k)
K yβi,j,k＝(ρ β/E βi,j,k)/(ρ α/E αi,j,k+ρ β/E βi,j,k+ρ γ/E γi,j.k+ρ δ/E δi,j.k)
K yγi,j,k＝(ρ γ/E γi,j,k)/(ρ α/E αi,j,k+ρ β/E βi,j,k+ρ γ/E γi,j.k+ρ δ/E δi,j.k)
K yδi,j,k＝(ρ δ/E δi,j,k)/(ρ α/E αi,j,k+ρ β/E βi,j,k+ρ γ/E γi,j.k+ρ δ/E δi,j.k)
获得纱线中四种颜色纤维分别对应耦合次序号组合的混合比通式K yαi,j,k、K yβi,j,k、K yγi,j,k、K yδi,j,k；其中，K yαi,j,k表示纱线中α颜色纤维对应耦合次序号组合i,j,k的混纺比通式，K yβi,j,k表示β颜色纤维对应耦合次序号组合i,j,k的混纺比通式，K yγi,j,k表示γ颜色纤维对应耦合次序号组合i,j,k的混纺比通式，K yδi,j,k表示δ颜色纤维对应耦合次序号组合i,j,k的混纺比通式。
步骤H.根据四种颜色纤维分别对应耦合次序号组合的混纺比通式，针对四种颜色纤维的RGB色，获得耦合纤维对应耦合次序号组合的RGB通式如下：
R yi,j,k＝K yαi,j,k*R yα+K yβi,j,k*R yβ+K yγi,j,k*R yγ+K δγi,j,k*R yδ
G yi,j,k＝K yαi,j,k*G yα+K yβi,j,k*G yβ+K yγi,j,k*G yγ+K yδi,j,k*G yδ
B yi,j,k＝K yαi,j,k*B yα+K yβi,j,k*B yβ+K yγi,j,k*B yγ+K yδi,j,k*B yδ
其中，R yα、G yα、B yα表示以α颜色纤维纺制的线密度为ρ' yi,j,k的纱线的颜色三刺激值；R yβ、G yβ、B yβ表示以β颜色纤维纺制的线密度为ρ' yi,j,k的纱线的颜色三刺激值，R yγ、G yγ、B yγ表示以γ颜色纤维纺制的线密度为ρ' yi,j,k的纱线的颜色三刺激值，列于如下表6所示。
Figure PCTCN2019115211-appb-000017
Figure PCTCN2019115211-appb-000018
表6
上述技术方案所设计四基色纤维耦合混配构建的离散渐变色谱及渐变色纱的纺制，应用于实际当中，实施例1，若n＝10，得到以10％为梯度的四基色纤维离散渐变色谱，如下表7所示。
Figure PCTCN2019115211-appb-000019
Figure PCTCN2019115211-appb-000020
Figure PCTCN2019115211-appb-000021
Figure PCTCN2019115211-appb-000022
Figure PCTCN2019115211-appb-000023
Figure PCTCN2019115211-appb-000024
Figure PCTCN2019115211-appb-000025
Figure PCTCN2019115211-appb-000026
Figure PCTCN2019115211-appb-000027
Figure PCTCN2019115211-appb-000028
Figure PCTCN2019115211-appb-000029
Figure PCTCN2019115211-appb-000030
Figure PCTCN2019115211-appb-000031
Figure PCTCN2019115211-appb-000032
Figure PCTCN2019115211-appb-000033
Figure PCTCN2019115211-appb-000034
Figure PCTCN2019115211-appb-000035
表7
基于表2所示，则四种颜色纤维分别所对应其通道的牵伸比E αi,j,k、E βi,j,k、E γi,j,k、E δi,j,k，如下表8所示。
Figure PCTCN2019115211-appb-000036
Figure PCTCN2019115211-appb-000037
Figure PCTCN2019115211-appb-000038
Figure PCTCN2019115211-appb-000039
Figure PCTCN2019115211-appb-000040
Figure PCTCN2019115211-appb-000041
Figure PCTCN2019115211-appb-000042
表8
以彩色粗纱ρ mα为原料纺制的纱线测得其颜色值为mα(R ymα、G ymα、B ymα)，以彩色粗纱ρ β为原料纺制的纱线测得其颜色值为(R y、G y、B y)，以彩色粗纱ρ γ为原料纺制的纱线测得其颜色值为(R y、G y、B y)，以彩色粗纱ρ δ为原料纺制的纱线测得其颜色值为mα(R yδ、G yδ、B yδ),则以10％为梯度的数码纺数码纺纱线其各段颜色值由下式计算。将所得数值列于表9，得到渐变梯度为10％的渐变纱线的计算方法。
R yi,j,k＝K yαi,j,k*R yα+K yβi,j,k*R yβ+K yγi,j,k*R yγ+K δγi,j,k*R yδ
G yi,j,k＝K yαi,j,k*G yα+K yβi,j,k*G yβ+K yγi,j,k*G yγ+K yδi,j,k*G yδ
B yi,j,k＝K yαi,j,k*B yα+K yβi,j,k*B yβ+K yγi,j,k*B yγ+K yδi,j,k*B yδ
Figure PCTCN2019115211-appb-000043
Figure PCTCN2019115211-appb-000044
Figure PCTCN2019115211-appb-000045
Figure PCTCN2019115211-appb-000046
Figure PCTCN2019115211-appb-000047
Figure PCTCN2019115211-appb-000048
Figure PCTCN2019115211-appb-000049
Figure PCTCN2019115211-appb-000050
表9
上述技术方案所设计一种四基色纤维耦合混配构建的离散渐变色谱及渐变色纱的纺制，以四基色纤维质量为载体，构建递增和递减的质量序列，并将其组合配对作为四基色纤维质量耦合混配与梯度混配模型，依据该模型构建了四基色纤维的离散渐变色谱、及纺制色彩离散渐变彩色纱线的牵伸比离散算法，并由此获得四基色基于耦合混配实现纱线色彩的离散渐变效果，用于纺制色彩离散渐变的具有色彩系列化特征的纱线，或者纺制在一根纱线上具有色彩自然渐变效果的渐变色纱线。由此基于四基色纤维之间的耦合质量比，能够高效实现多元基色纤维之间的二次色匹配，并获得全色域空间内的离散渐变的系列化色彩和离散渐变色彩，进而准确实现四种颜色纤维所对应各色彩离散渐变的彩色纱线的获得。
上面结合附图对本发明的实施方式作了详细说明，但是本发明并不限于上述实施方式，在本领域普通技术人员所具备的知识范围内，还可以在不脱离本发明宗旨的前提下做出各种变化。

Claims (4)

  1. 一种四基色纤维耦合混配构建的离散渐变色谱及渐变色纱的纺制，用于针对四种颜色纤维，获得四种颜色纤维之间，基于不同耦合质量比组合下、耦合纤维色谱所对应的耦合纤维，其特征在于，包括如下步骤：
    步骤A.针对其中第一种颜色纤维α的耦合质量比，按预设递减次数n，由100％依次等比例递减至0％，获得各递减次序号下、α颜色纤维的耦合质量比，并获得α颜色纤维对应递减次序号的耦合质量比通式如下：
    m α*(n-i+1)/n
    针对第二种颜色纤维β的耦合质量比，按预设递增次数n，由0％依次等比例递增至100％，获得各递增次序号下、β颜色纤维分别所对应的耦合质量比，并获得β颜色纤维对应递减次序号的耦合质量比通式如下：
    m β*(i-1)/n
    针对第三种颜色纤维γ的耦合质量比，按预设递增次数n，由0％依次等比例递增至100％，获得各递增次序号下、γ颜色纤维分别所对应的耦合质量比，并获得γ颜色纤维对应递减次序号的耦合质量比通式如下：
    m γ*(i-1)/n
    针对第四种颜色纤维δ的耦合质量比，按预设递增次数n，由0％依次等比例递增至100％，获得各递增次序号下、δ颜色纤维分别所对应的耦合质量比，并获得δ颜色纤维对应递减次序号的耦合质量比通式如下：
    m δ*(i-1)/n
    其中，预设递减次数等于预设递增次数，i＝1、2、…、n、n+1，m α表示α颜色纤维的质量，m β表示β颜色纤维的质量，m γ表示γ颜色纤维的质量，m δ表示δ颜色纤维的质量，然后进入步骤B；
    步骤B.分别获得不同耦合次序号组合下、四种颜色纤维α、β、γ、δ按其对应耦合质量比的组合，即各耦合次序号组合下、耦合纤维的耦合式，并进一步获得耦合纤维对应耦合次序号组合的耦合质量通式如下：
    Figure PCTCN2019115211-appb-100001
    然后进入步骤C；其中，T i，j，k表示耦合纤维对应耦合次序号组合i，j，k的耦合质量通式，j＝1、2、…、n、n+1，k＝1、2、…、n、n+1，且(i+j)≤(n+2)、(i+k)≤(n+2)、 (j+k)≤(n+2)；
    步骤C.根据耦合纤维对应耦合次序号组合的耦合通式，获得四种颜色纤维分别对应耦合次序号组合的混合比通式如下：
    Figure PCTCN2019115211-appb-100002
    Figure PCTCN2019115211-appb-100003
    Figure PCTCN2019115211-appb-100004
    Figure PCTCN2019115211-appb-100005
    然后进入步骤D；其中：K αi，j，k表示α颜色纤维对应耦合次序号组合i，j，k的耦合质量混合比通式，K βi，j，k表示β颜色纤维对应耦合次序号组合i，j，k的耦合质量混合比通式，K γi，j，k表示γ颜色纤维对应耦合次序号组合i，j，k的耦合质量混合比通式，K δi，j，k表示δ颜色纤维对应耦合次序号组合i，j，k的耦合质量混合比通式；
    步骤D.根据四种颜色纤维分别对应耦合次序号组合的耦合质量混合比通式，针对四种颜色纤维的RGB色，获得耦合纤维对应耦合次序号组合的RGB通式，进而获得耦合纤维分别对应不同耦合次序号组合的色彩，即获得耦合纤维分别对应其中各种颜色纤维之间不同耦合质量比组合的色彩，构成四种颜色纤维基于不同耦合质量比组合的耦合纤维色谱通式如下：
    R Ti，j，k＝K αi，j，k*R α+K βi，j，k*R β+K γi，j，k*R γ+K δi，j，k*R δ
    G Ti，j，k＝K αi，j，k*G α+K βi，j，k*G β+K γi，j，k*G γ+K δi，j，k*G δ
    B Ti，j，k＝K αi，j，k*B α+K βi，j，k*B β+K γi，j，k*B γ+K δi，j，k*B δ
    进而获得四基色纤维离散化渐变色谱，然后进入步骤E；其中，R Ti，j，k、G Ti，j，k、B Ti，j，k为耦合纤维子样的色谱，R α、G α、B α为彩色纤维α的颜色三刺激值，R β、G β、B β为彩色纤维β的颜色三刺激值，R γ、G γ、B γ为彩色纤维γ的颜色三刺激值，R δ、G δ、B δ为彩色纤维δ的颜色三刺激值；
    步骤E.根据前纺过程中的配棉、拼花、排包、开清棉、并条、粗纱工序，获得四种颜色纤维α、β、γ、δ分别所对应彩色纤维粗纱的密度ρ α、ρ β、ρ γ、ρ δ，然后进入步骤F；
    步骤F.根据四种颜色纤维分别对应耦合次序号组合的混纺比通式，结合四种颜色纤维分别所对应彩色纤维粗纱的线密度ρ α、ρ β、ρ γ、ρ δ，按如下公式：
    E αi，j，k＝K αi，j，k*ρ yi，j，k/ρ α
    E βi，j，k＝K βi，j，k*ρ yi，j，k/ρ β
    E γi，j，k＝K γi，j，k*ρ yi，j，k/ρ γ
    E δi，j，k＝K δi，j，k*ρ yi，j，k/ρ δ
    获得四种彩色纤维粗纱分别所对应其通道的牵伸比E αi，j，k、E βi，j，k、E γi，j，k、E δi，j，k，则基于牵伸比E αi，j，k、E βi，j，k、E γi，j，k、E δi，j，k，针对四种彩色纤维粗纱进行异步牵伸、汇合加捻后，获得耦合纤维色谱所对应的色谱耦合的纱线，其中，ρ yi，j，k表示针对四种颜色纤维α、β、γ、δ，对应耦合次序号组合i，j，k进行异步牵伸、汇合加捻后所获纱线的预设线密度。
  2. 根据权利要求1所述一种四基色纤维耦合混配构建的离散渐变色谱及渐变色纱的纺制，其特征在于：还包括步骤G如下，执行完步骤F之后，进入步骤G；
    步骤G.根据四种彩色纤维粗纱分别所对应其通道的牵伸比E αi，j，k、E βi，j，k、E γi，j，k、E δi，j，k，以及四种彩色纤维粗纱分别所对应的线密度ρ α、ρ β、ρ γ、ρ δ，按如下公式：
    ρ′ yi，j，k＝ρ α/E αi，j，k+ρ β/E βi，j，k+ρ γ/E γi，j，k+ρ δ/E δi，j，k
    获得针对四种彩色纤维粗纱，对应耦合次序号组合i，j，k进行异步牵伸、汇合加捻后所获纱线的实际线密度ρ′ yi，j，k。
  3. 根据权利要求1或2所述一种四基色纤维耦合混配构建的离散渐变色谱及渐变色纱的纺制，其特征在于，所述步骤G中，还包括如下：
    将四基色纤维制备所获四根粗纱经异步牵伸实现耦合混配，再汇合加捻形成四基色混色纱线，根据耦合纤维对应耦合次序号组合的耦合通式，按如下公式：
    K yαi，j，k＝(ρ α/E αi，j，k)/(ρ α/E αi，j，k+ρ β/E βi，j，k+ρ γ/E γi，j.k+ρ δ/E δi，j.k)
    K yβi，j，k＝(ρ β/E βi，j，k)/(ρ α/E αi，j，k+ρ β/E βi，j，k+ρ γ/E γi，j.k+ρ δ/E δi，j.k)
    K yγi，j，k＝(ρ γ/E γi，j，k)/(ρ α/E αi，j，k+ρ β/E βi，j，k+ρ γ/E γi，j.k+ρ δ/E δi，j.k)
    K yδi，j，k＝(ρ δ/E δi，j，k)/(ρ α/E αi，j，k+ρ β/E βi，j，k+ρ γ/E γi，j.k+ρ δ/E δi，j.k)
    获得纱线中四种颜色纤维分别对应耦合次序号组合的混合比通式K yαi，j，k、K yβi，j，k、K yγi，j，k、K yδi，j，k；其中，K yαi，j，k表示纱线中α颜色纤维对应耦合次序号组合i，j，k的混纺比通式， K yβi，j，k表示β颜色纤维对应耦合次序号组合i，j，k的混纺比通式，K yγi，j，k表示γ颜色纤维对应耦合次序号组合i，j，k的混纺比通式，K yδi，j，k表示δ颜色纤维对应耦合次序号组合i，j，k的混纺比通式。
  4. 根据权利要求1或2所述一种四基色纤维耦合混配构建的离散渐变色谱及渐变色纱的纺制，其特征在于：还包括步骤H如下，执行完步骤G之后，进入步骤H；
    步骤H.根据四种颜色纤维分别对应耦合次序号组合的混纺比通式，针对四种颜色纤维的RGB色，获得耦合纤维对应耦合次序号组合的RGB通式如下：
    R yi，j，k＝K yαi，j，k*R yα+K yβi，j，k*R yβ+K yγi，j，k*R yγ+K δγi，j，k*R γδ
    G yi，j，k＝K yαi，j，k*G yα+K yβi，j，k*G yβ+K yγi，j，k*G yγ+K yδi，j，k*G yδ
    B yi，j，k＝K yαi，j，k*B yα+K yβi，j，k*B yβ+K yγi，j，k*B yγ+K yδi，j，k*B yδ
    其中，R yα、G yα、B yα表示以α颜色纤维纺制的线密度为ρ′ yi，j，k的纱线的颜色三刺激值；R yβ、G yβ、B yβ表示以β颜色纤维纺制的线密度为ρ′ yi，j，k的纱线的颜色三刺激值，R yγ、G yγ、B yγ表示以γ颜色纤维纺制的线密度为ρ′ yi，j，k的纱线的颜色三刺激值。
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