CN113463371B - Dyeing process of sea island filaments - Google Patents

Dyeing process of sea island filaments Download PDF

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CN113463371B
CN113463371B CN202110706220.6A CN202110706220A CN113463371B CN 113463371 B CN113463371 B CN 113463371B CN 202110706220 A CN202110706220 A CN 202110706220A CN 113463371 B CN113463371 B CN 113463371B
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sock
dyeing
sea island
dye
alkali
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CN113463371A (en
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周小华
杨春雨
郑文文
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Hangzhou Huifeng Chemical Fiber Co ltd
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Hangzhou Huifeng Chemical Fiber Co ltd
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    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
    • D06M11/00—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising
    • D06M11/32—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising with oxygen, ozone, ozonides, oxides, hydroxides or percompounds; Salts derived from anions with an amphoteric element-oxygen bond
    • D06M11/36—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising with oxygen, ozone, ozonides, oxides, hydroxides or percompounds; Salts derived from anions with an amphoteric element-oxygen bond with oxides, hydroxides or mixed oxides; with salts derived from anions with an amphoteric element-oxygen bond
    • D06M11/38—Oxides or hydroxides of elements of Groups 1 or 11 of the Periodic Table
    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
    • D01F8/00—Conjugated, i.e. bi- or multicomponent, artificial filaments or the like; Manufacture thereof
    • D01F8/04—Conjugated, i.e. bi- or multicomponent, artificial filaments or the like; Manufacture thereof from synthetic polymers
    • D01F8/12—Conjugated, i.e. bi- or multicomponent, artificial filaments or the like; Manufacture thereof from synthetic polymers with at least one polyamide as constituent
    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
    • D01F8/00—Conjugated, i.e. bi- or multicomponent, artificial filaments or the like; Manufacture thereof
    • D01F8/04—Conjugated, i.e. bi- or multicomponent, artificial filaments or the like; Manufacture thereof from synthetic polymers
    • D01F8/14—Conjugated, i.e. bi- or multicomponent, artificial filaments or the like; Manufacture thereof from synthetic polymers with at least one polyester as constituent
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06P—DYEING OR PRINTING TEXTILES; DYEING LEATHER, FURS OR SOLID MACROMOLECULAR SUBSTANCES IN ANY FORM
    • D06P1/00—General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed
    • D06P1/0032—Determining dye recipes and dyeing parameters; Colour matching or monitoring
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06P—DYEING OR PRINTING TEXTILES; DYEING LEATHER, FURS OR SOLID MACROMOLECULAR SUBSTANCES IN ANY FORM
    • D06P1/00—General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed
    • D06P1/16—General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed using dispersed, e.g. acetate, dyestuffs
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06P—DYEING OR PRINTING TEXTILES; DYEING LEATHER, FURS OR SOLID MACROMOLECULAR SUBSTANCES IN ANY FORM
    • D06P1/00—General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed
    • D06P1/44—General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed using insoluble pigments or auxiliary substances, e.g. binders
    • D06P1/46—General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed using insoluble pigments or auxiliary substances, e.g. binders using compositions containing natural macromolecular substances or derivatives thereof
    • D06P1/48—Derivatives of carbohydrates
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06P—DYEING OR PRINTING TEXTILES; DYEING LEATHER, FURS OR SOLID MACROMOLECULAR SUBSTANCES IN ANY FORM
    • D06P1/00—General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed
    • D06P1/44—General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed using insoluble pigments or auxiliary substances, e.g. binders
    • D06P1/52—General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed using insoluble pigments or auxiliary substances, e.g. binders using compositions containing synthetic macromolecular substances
    • D06P1/5264—Macromolecular compounds obtained otherwise than by reactions involving only unsaturated carbon-to-carbon bonds
    • D06P1/5278—Polyamides; Polyimides; Polylactames; Polyalkyleneimines
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06P—DYEING OR PRINTING TEXTILES; DYEING LEATHER, FURS OR SOLID MACROMOLECULAR SUBSTANCES IN ANY FORM
    • D06P1/00—General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed
    • D06P1/44—General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed using insoluble pigments or auxiliary substances, e.g. binders
    • D06P1/60—General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed using insoluble pigments or auxiliary substances, e.g. binders using compositions containing polyethers
    • D06P1/613—Polyethers without nitrogen
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    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
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    • D06M2101/00—Chemical constitution of the fibres, threads, yarns, fabrics or fibrous goods made from such materials, to be treated
    • D06M2101/16—Synthetic fibres, other than mineral fibres
    • D06M2101/30—Synthetic polymers consisting of macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
    • D06M2101/32—Polyesters
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
    • D06M2101/00—Chemical constitution of the fibres, threads, yarns, fabrics or fibrous goods made from such materials, to be treated
    • D06M2101/16—Synthetic fibres, other than mineral fibres
    • D06M2101/30—Synthetic polymers consisting of macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
    • D06M2101/34—Polyamides

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  • Textile Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
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Abstract

The application relates to the technical field of sea island filaments, and particularly discloses a dyeing process of sea island filaments, which comprises the following steps: s1: alkali washing: making sock with sea island silk, treating sock with alkali for 20-40min, cleaning, and drying; s2: dyeing: dyeing the sock sleeves subjected to alkali treatment in the step S1 at the dyeing temperature of 90-120 ℃; s3: grading: and (4) washing and drying the dyed sock, and then grading according to the color card standard. The dyeing process of the sea island filament can be used for dyeing the sea island filament and the sea island filament fabric, and has the advantage of good dyeing fastness.

Description

Dyeing process of sea island filaments
Technical Field
The application relates to the technical field of sea island filaments, in particular to a dyeing process of sea island filaments.
Background
Sea-island filaments are fibers formed from a polymer embedded in a very fine form in another polymer. The sea-island filament fiber is also called fibril-matrix type composite fiber, the island phase component of the sea-island filament fiber is of a fibril structure, the sea-island phase component is of an amorphous structure, and the components of the fibril structure are embedded on the amorphous structure component in the cross section direction and are distributed in a sea-island form. The polymers of the two components are continuously dense and uniformly dispersed in the longitudinal direction of the fiber. It has the linear density and length of conventional fibers, as seen by the whole fiber. When the soluble sea components are dissolved, ultrafine fibril bundles are obtained.
The island component of the sea island filament fiber is generally Polyester (PET) or Polyamide (PA), and the sea component can be Polyethylene (PE), polyamide (PA or PA 66), polypropylene (PP), polyvinyl alcohol (PVA), polystyrene (PS), acrylate copolymer or modified polyester, and the like.
The molecular and morphological structure of the sea island silk fiber are changed greatly, so that the sea island silk fiber is different from the common fiber, and has great influence on the color fastness.
Disclosure of Invention
In order to improve the color fastness of the sea island fiber, the application provides a dyeing process of the sea island fiber.
The application provides a dyeing process of sea island filaments, which adopts the following technical scheme:
a dyeing process of sea island filaments comprises the following steps:
s1: alkali washing: preparing the sea island silk knit sock into a sock cover, then carrying out alkali treatment on the sock cover for 20-40min, cleaning and drying;
s2: dyeing: dyeing the sock sleeves subjected to alkali treatment in the step S1 at the dyeing temperature of 90-120 ℃;
s3: grading: and washing and drying the dyed sock, and then grading according to the color card standard.
By adopting the technical scheme, the sock is made by weaving the sea island silk into the sock cover, the sock cover is firstly washed by alkali to dissolve sea phase components of the sea island silk, and meanwhile, impurities such as sizing agent, oiling agent and the like on the sock cover fabric are removed, so that the influence of the impurities on dyeing uniformity is reduced, and the probability of occurrence of fault dyeing and color spots is reduced. And dyeing is carried out at the dyeing temperature of 90-120 ℃, so that the sock fabric is not easy to wrinkle and deform in size, the probability of occurrence of colored patterns is reduced, the binding force between the dye and the sea island silk fiber is improved, and the dyeing fastness of the sea island silk is improved.
Preferably, the sea island filaments in the step S1 are mainly prepared from the following raw materials in parts by weight: 25-35 parts of alkali-soluble polyester, 60-80 parts of polyester and 3-7 parts of hyperbranched polyamide.
By adopting the technical scheme, the alkali-soluble polyester is used as the sea phase, the polyester and the hyperbranched polyamide are used as the island phase to form a structure of the sea phase coating the island phase, and the hyperbranched polyamide has a large number of polar groups, so that the binding force between the island phase and dye molecules can be improved, and the color fastness of the sea-island filament can be improved. In addition, the macromolecular chain segment of the hyperbranched polyamide can play a role in anchoring, the orientation degree and the regularity of an island phase are improved, dye molecules are more uniform when diffusing, and the condition that the dye molecules are diffused too fast in fibers to cause uneven dyeing is reduced.
Preferably, the alkali treatment in the step S1 is to treat the sock in alkali liquor for 20-40min, wherein the temperature of the alkali liquor is 90-110 ℃, and the bath ratio is 1.
By adopting the technical scheme, under the conditions of lower temperature and lower bath ratio, on one hand, the micro-gap on the fiber is smaller, the diffusion speed of dye molecules in the fiber is reduced, meanwhile, the thickness of the interface layer between the dye molecules and the fiber is moderate, the diffusion speed of the dye molecules is further buffered, the dye molecules can uniformly and consistently diffuse into the fiber, and the dyeing uniformity and the dyeing fastness of the fiber are further improved.
Preferably, the dyeing of the alkali-treated sock in the step S2 includes the steps of:
1) Pretreatment: soaking the sock sleeves subjected to alkali treatment into cleaning solution for treatment for 25-35min, and cleaning with distilled water for later use, wherein the cleaning solution consists of ethanol and dimethyl sulfoxide according to a mass ratio of (15-18) to (1.5-3);
2) Dyeing: dyeing the pretreated sock according to the following procedures:
A. heating the dye liquor to 50-65 ℃, wherein the dye liquor is mainly prepared from the following raw materials: dye, auxiliary agent and water; wherein the bath ratio is 1;
B. immersing the pretreated sock into the dye solution, slowly heating the dye solution to 90-120 ℃, and dyeing for 50-70min;
C. cooling the dye liquor to 70 deg.C, and maintaining for 5-10min.
By adopting the technical scheme, the ethanol and the dimethyl sulfoxide in the cleaning solution have very strong polarity, so that impurities remained on the fiber can be dissolved and removed, and the surface structure of the fiber outer skin layer is improved. And the sock fabric and the dye solution are heated at a slower speed, so that the sock fabric is smoother and smoother, the size is stable, and the dyeing uniformity is improved. In addition, the surface tension of the dye liquor can be reduced by the glucan and the octyl polyoxyethylene ether, a slow-release gel system is formed in the dye liquor, the diffusion rate ratio of dye molecules diffusing from the dye liquor to the interface layer and diffusing from the interface layer to the fiber surface is controlled, and the dyeing fastness of the fiber is further improved.
Preferably, in the step B, the temperature of the dye solution is slowly increased at a rate of 1 to 1.5 ℃/min.
By adopting the technical scheme, the dyeing is carried out at the temperature rising speed, and the color fastness of the fiber is better.
Preferably, in the step B, polylysine is added to the dye solution in an amount of 0.3 to 0.8% (omf) after the sock is dyed for 30 mm.
By adopting the technical scheme, after the sea island silk stockings are dyed for 30min, a part of dye is diffused and combined in the fibers, and after polylysine is added, the polylysine can react with glucan under Schiff base reaction, and the gel system is partially destroyed under an acidic condition, so that the diffusion rate of dye molecules is adjusted, and the dyeing fastness is further improved.
Preferably, in the step a, the glucan is one of acryl glucan and oxidized glucan.
By adopting the technical scheme, the reactivity and polar groups of the propenyl glucan and the oxidized glucan are more suitable, and the propenyl glucan and the oxidized glucan have a better regulation effect on the diffusion behavior of dye molecules.
Preferably, the glucan is composed of propenyl glucan and oxidized glucan according to the mass ratio of (7.5-15): 2-4.
By adopting the technical scheme, a gel system formed by the glucan compounded according to the proportion is more stable, so that dye molecules gathered on the surface layer of the fiber are more uniform and consistent.
Preferably, the step 2) further includes a step D of: and (3) fixation: the sock sleeves are immersed in a color fixing solution, the color fixing solution consists of a color fixing agent and water, the temperature of the color fixing solution is 50-65 ℃, the color fixing time is 30-50min, the bath ratio is 1.
By adopting the technical scheme, the island silk stocking sleeve is soaked in the color fixing solution, so that unstable dye molecules combined in the fiber are dissociated, and the washing fastness is improved.
In summary, the present application has the following beneficial effects:
1. the method adopts the processes of alkali washing and low-temperature dyeing, so that the problem of fast diffusion of dye molecules is solved, the binding force of the dye molecules and fibers is better, and better dyeing fastness is obtained.
2. In the application, slow temperature rise and the synergistic effect of a sephadex system are preferably adopted, so that the color fastness of the sea island filaments is further improved, and the color fastness of the sea island filaments reaches 5 grades.
Detailed Description
The present application will be described in further detail with reference to examples.
In the sea island silk dyeing process, the alkali liquor in the alkali treatment in the step S1 is a sodium hydroxide solution, and the mass fraction of sodium hydroxide in the alkali liquor is 2-3.5%. More preferably, the mass fraction of sodium hydroxide in the alkaline solution is 3%.
The application provides a production process of sea island filaments, which comprises the following steps:
a. drying the soluble polyester chips, and then performing melt extrusion through a sea component screw extruder to prepare a melt extrusion material A;
b. uniformly mixing and drying polyester and hyperbranched polyamide, and then performing melt extrusion through an island component screw extruder to prepare a melt extrusion material B;
c. and c, metering and mixing the molten extrusion material A in the step a and the molten extrusion material B in the step B, and then sequentially carrying out spinning assembly, cooling, oiling, drafting, shaping, gridding and winding forming to obtain the sea-island filament.
Preferably, the alkali soluble polyester has an intrinsic viscosity of 0.52dl/g and a melting point of 228 ℃.
Preferably, the polyester has an intrinsic viscosity of 1.02dl/g and a melting point of 228 ℃.
Preferably, the hyperbranched polyamide is an aromatic hyperbranched polyamide or an amino-terminated hyperbranched polyamide. Further preferably, the hyperbranched polyamide is amino-terminated hyperbranched polyamide with the model of HyPer N102, the molecular weight of 800-1000g/mol and the number of amino groups of 7-9mol/mol, and the manufacturer is Wuhan hyperbranched resin science and technology Limited.
Preferably, the aromatic hyperbranched polyamide is the type HyPer HPN202, the molecular weight is 2700g/mol, the hydroxyl number is 12mol/mol, the hydroxyl value is 250, and the manufacturer is Wuhan hyperbranched resin technology Co., ltd.
Preferably, the dyeing of the alkali-treated sock in the step S2 includes the steps of:
1) Pretreatment: soaking the sock sleeves subjected to alkali treatment into cleaning solution for treatment for 25-35min, and cleaning with distilled water for later use, wherein the cleaning solution consists of ethanol and dimethyl sulfoxide according to a mass ratio of (15-20) to (1.5-3);
2) Dyeing: dyeing the pretreated sock according to the following procedures:
A. heating the dye liquor to 50-65 ℃, wherein the dye liquor is mainly prepared from the following raw materials: dye, auxiliary agent and water; wherein the bath ratio is 1; wherein the auxiliary agent consists of glucan and octyl polyoxyethylene ether according to the mass ratio of (18-25) to (1.5-3);
B. immersing the pretreated sock into a dye solution, slowly heating the dye solution to 90-120 ℃, and dyeing for 50-70min;
C. cooling the dye liquor to 70 deg.C, and maintaining for 5-10min.
Further preferably, the pretreatment is to soak the sock in a cleaning solution for treatment for 30min, and then use distilled water to clean the sock for later use, wherein the cleaning solution consists of ethanol and dimethyl sulfoxide according to a mass ratio of 17.
Preferably, in the step A, the dye liquor is heated to 50-65 ℃. More preferably, in step A, the dye liquor is heated to 60 ℃.
More preferably, in the step B, the pretreated sock is immersed into the dye liquor, and the dye liquor is slowly heated to 100 ℃ for dyeing for 60min.
More preferably, in the step B, the temperature of the dye solution is slowly raised at a rate of 1 to 1.5 ℃/min. More preferably, the dye solution is slowly heated to 80 ℃ at a speed of 1 ℃/min, and then heated to 100 ℃ at a speed of 1.2 ℃/min.
More preferably, step 2) further includes a step D: and (3) fixation: and immersing the dyed sock in a color fixing solution, wherein the color fixing solution consists of a color fixing agent and water, the temperature of the color fixing solution is 50-65 ℃, the color fixing time is 30-50min, the bath ratio is 1. Further preferably, the color fixing agent is JYB212, and the manufacturer is Junyu chemical Co., ltd.
The information on the main raw materials of the examples and comparative examples of the present application is shown in table 1.
TABLE 1 information of main raw materials of examples and comparative examples of the present application
Figure BDA0003131393330000041
Figure BDA0003131393330000051
Examples
Example 1
The dyeing process of the sea island filaments comprises the following steps:
s1: using a hosiery machine to knit the sea island filaments into socks to prepare socks, weighing the weight of the socks, and calculating the proportion of water and sodium hydroxide according to the weight of the socks;
s2: treating the sock sleeves in an alkali liquor for 20min, wherein the temperature of the alkali liquor is 90 ℃, the mass fraction of sodium hydroxide in the alkali liquor is 3%, and the bath ratio is 1;
s3: adding a dye solution into a dye vat, placing the sock subjected to alkali treatment in the step S2 into the dye vat for dyeing, wherein the temperature of the dye solution is 90 ℃, the bath ratio is 1 percent (omf) and is 12 percent, the dye is 1 percent (omf), the dye is a disperse dye, the type of the disperse dye is disperse blue 60, and the manufacturer is Condst chemical engineering (Hubei) Co., ltd.;
s4: and cooling the dyed sock to room temperature, washing, drying and then grading according to a standard color card.
The sea island filament of step S1 of this example is prepared from the following raw materials by weight: 25kg of alkali-soluble polyester, 60kg of polyester and 3kg of aromatic hyperbranched polyamide.
The process for producing sea island filaments in step S1 of this embodiment includes the following steps:
a. drying the soluble polyester chips, and then performing melt extrusion through a sea component screw extruder to prepare a melt extrusion material A;
b. uniformly mixing polyester and aromatic hyperbranched polyamide, drying, and then performing melt extrusion through an island component screw extruder to obtain a melt extrusion material B;
c. and (B) metering and mixing the molten extrusion material A in the step a and the molten extrusion material B in the step B, and then sequentially carrying out spinning assembly, cooling, oiling, drafting, shaping, gridding and winding forming to obtain the sea-island filament.
Wherein the intrinsic viscosity of the alkali-soluble polyester is 0.52dl/g, the melting point is 228 ℃, and the manufacturer is Wujiang New chemical fiber Co. The intrinsic viscosity of the polyester was 1.02dl/g, the melting point was 228 ℃ and the manufacturer was DuPont. The aromatic hyperbranched polyamide has the model number of HyPer HPN202, the molecular weight of 2700g/mol, the hydroxyl number of 12mol/mol and the hydroxyl value of 250, and the manufacturer is Wuhan hyperbranched resin technology Limited.
Example 2
The dyeing process of the sea island filaments comprises the following steps:
s1: using a hosiery machine to knit the sea island filaments into socks to prepare sock covers, weighing the weight of the sock covers, and calculating the proportion of water and sodium hydroxide according to the weight of the sock covers;
s2: treating the sock sleeves in an alkali liquor for 30min, wherein the temperature of the alkali liquor is 100 ℃, the mass fraction of sodium hydroxide in the alkali liquor is 3%, and the bath ratio is 1;
s3: adding a dye solution into a dye vat, putting the sock subjected to alkali treatment in the step S2 into the dye vat for dyeing, wherein the temperature of the dye solution is 100 ℃, the bath ratio is 1 percent (omf) and 1 percent (omf), the dye is disperse dye, the type is disperse blue 60, and the manufacturer is Condites chemical industry (Hubei) Co., ltd;
s4: and cooling the dyed sock to room temperature, washing, drying and then grading according to a standard color card.
The sea island filament of step S1 of this example is prepared from the following raw materials by weight: 25kg of alkali-soluble polyester, 60kg of polyester and 3kg of amino-terminated hyperbranched polyamide.
Wherein the type of the amino-terminated hyperbranched polyamide is HyPer N102, the molecular weight is 800-1000g/mol, the number of amino groups is 7-9mol/mol, and the manufacturer is Wuhan hyperbranched resin science and technology Limited company.
The process for producing sea island filaments in step S1 of this example is the same as in example 1.
Example 3
The dyeing process of the sea island filaments comprises the following steps:
s1: using a hosiery machine to knit the sea island filaments into socks to prepare sock covers, weighing the weight of the sock covers, and calculating the proportion of water and sodium hydroxide according to the weight of the sock covers;
s2: treating the sock sleeves in alkali liquor for 40min, wherein the temperature of the alkali liquor is 110 ℃, the mass fraction of sodium hydroxide in the alkali liquor is 3%, and the bath ratio is 1;
s3: adding a dye solution into a dye vat, putting the sock subjected to alkali treatment in the step S2 into the dye vat for dyeing, wherein the temperature of the dye solution is 120 ℃, the bath ratio is 1 percent (omf) to 12, the dye is 1 percent (omf), the dye is disperse dye, the type is disperse blue 60, and the manufacturer is Condites chemical industry (Hubei) Co., ltd;
s4: and cooling the dyed sock to room temperature, washing, drying and then grading according to a standard color card.
The sea island filament of step S1 of this example is prepared from the following raw materials by weight: 25kg of alkali-soluble polyester, 60kg of polyester and 3kg of amino-terminated hyperbranched polyamide.
The process for producing sea island filaments in step S1 of this example is the same as that of example 1.
Example 4
The difference between the production process of sea-island filament of this example and that of example 2 is that: the sea island filament is prepared from the following raw materials in parts by weight: 30kg of alkali-soluble polyester, 70kg of polyester and 5kg of amino-terminated hyperbranched polyamide.
The process for producing sea island filaments in step S1 of this example is the same as in example 2.
Example 5
The difference between the production process of sea-island filament of this example and that of example 2 is that: the sea island filament is prepared from the following raw materials in parts by weight: 35kg of alkali-soluble polyester, 80kg of polyester and 7kg of amino-terminated hyperbranched polyamide.
The process for producing sea island filaments in step S1 of this example is the same as that of example 2.
Example 6
The dyeing process of the sea island filaments comprises the following steps:
s1: using a hosiery machine to knit the sea island filaments into socks to prepare socks, weighing the weight of the socks, and calculating the proportion of water and sodium hydroxide according to the weight of the socks;
s2: treating the sock sleeves in an alkali liquor for 30min, wherein the temperature of the alkali liquor is 100 ℃, the mass fraction of sodium hydroxide in the alkali liquor is 3%, and the bath ratio is 1;
s3: 1) Pretreatment: soaking the sock subjected to alkali treatment into cleaning solution for treatment for 30min, and then cleaning the sock by using distilled water for later use, wherein the cleaning solution consists of ethanol and dimethyl sulfoxide according to a mass ratio of 17; 2) Dyeing: A. adding dye liquor into a dye vat, and heating to 60 ℃; B. putting the pretreated sock into a dye vat, heating the dye solution to 100 ℃ at the speed of 0.8 ℃/min, dyeing for 50min, wherein the bath ratio is 1; C. cooling the dye liquor to 70 ℃, and keeping the temperature for 8min;
s4: and cooling the dyed sock to room temperature, washing, drying and then grading according to a standard color card.
The sea island filament of step S1 of this example is prepared from the following raw materials by weight: 30kg of alkali-soluble polyester, 70kg of polyester and 5kg of amino-terminated hyperbranched polyamide.
The process for producing sea island filaments in step S1 of this example is the same as in example 1.
Example 7
The dyeing process of the sea island filaments comprises the following steps:
s1: using a hosiery machine to knit the sea island filaments into socks to prepare sock covers, weighing the weight of the sock covers, and calculating the proportion of water and sodium hydroxide according to the weight of the sock covers;
s2: treating the sock sleeves in an alkali liquor for 30min, wherein the temperature of the alkali liquor is 100 ℃, the mass fraction of sodium hydroxide in the alkali liquor is 3%, the bath ratio is 1;
s3: 1) Pretreatment: soaking the sock subjected to alkali treatment into cleaning solution for treatment for 30min, and then cleaning the sock by using distilled water for later use, wherein the cleaning solution consists of ethanol and dimethyl sulfoxide according to a mass ratio of 17; 2) Dyeing: A. adding dye liquor into a dye vat, and heating to 60 ℃; B. putting the pretreated sock into a dye vat, heating the dye liquor to 100 ℃ at the speed of 0.8 ℃/min, dyeing for 50min, wherein the bath ratio is 1; C. cooling the dye liquor to 70 ℃, and keeping the temperature for 8min;
s4: and cooling the dyed sock to room temperature, washing, drying and then grading according to a standard color card.
The sea island filament of step S1 of this example is prepared from the following raw materials by weight: 30kg of alkali-soluble polyester, 70kg of polyester and 5kg of amino-terminated hyperbranched polyamide.
The process for producing sea island filaments in step S1 of this example is the same as in example 1.
Example 8
The dyeing process of the sea island filaments comprises the following steps:
s1: using a hosiery machine to knit the sea island filaments into socks to prepare sock covers, weighing the weight of the sock covers, and calculating the proportion of water and sodium hydroxide according to the weight of the sock covers;
s2: treating the sock sleeves in an alkali liquor for 30min, wherein the temperature of the alkali liquor is 100 ℃, the mass fraction of sodium hydroxide in the alkali liquor is 3%, and the bath ratio is 1;
s3: 1) Pretreatment: soaking the sock subjected to alkali treatment into cleaning solution for treatment for 30min, and then cleaning the sock by using distilled water for later use, wherein the cleaning solution consists of ethanol and dimethyl sulfoxide according to a mass ratio of 17; 2) Dyeing: A. adding dye liquor into a dye vat, and heating to 60 ℃; B. putting the pretreated sock into a dye vat, heating the dye liquor to 100 ℃ at the speed of 0.8 ℃/min, dyeing for 50min, wherein the bath ratio is 1; C. cooling the dye liquor to 70 ℃, and keeping the temperature for 8min;
s4: and cooling the dyed sock to room temperature, washing, drying and then grading according to a standard color card.
The sea island filament of step S1 of the embodiment is prepared from the following raw materials by weight: 30kg of alkali-soluble polyester, 70kg of polyester and 5kg of amino-terminated hyperbranched polyamide.
The process for producing sea island filaments in step S1 of this example is the same as in example 1.
Example 9
The dyeing process of sea island filaments of the present example is different from that of example 7 in that: in the step S3, the auxiliary agent consists of dextran and octyl polyoxyethylene ether according to a mass ratio of 21. The rest is the same as in example 7.
The process for producing sea island filaments of step S1 of this example is the same as that of example 7.
Example 10
The dyeing process of sea island filament of this example is different from that of example 7 in that: in the step S3, the auxiliary agent consists of dextran and octyl polyoxyethylene ether according to a mass ratio of 25. The rest was the same as in example 7.
The process for producing sea island filaments of step S1 of this example is the same as that of example 7.
Example 11
The dyeing process of sea island filament of this example is different from that of example 9 in that: in the step B of S3, the dye solution is slowly heated up to 100 ℃ at a rate of 1.2 ℃/min. The rest is the same as in example 9.
The process for producing sea island filaments of step S1 of this example is the same as that of example 9.
Example 12
The difference between the dyeing process of sea island filament of this example and example 9 is that: in the step B of the step S3, the dye liquor is slowly heated to 80 ℃ at the speed of 1 ℃/min and then heated to 100 ℃ at the speed of 1.2 ℃/min. The rest was the same as in example 9.
The process for producing sea island filaments of step S1 of this example is the same as that of example 9.
Example 13
The difference between the dyeing process of sea island filament of this example and example 12 is that: in the step B of the step S3, polylysine is added into the dye liquor after the sock is dyed for 30min, and the adding amount of the polylysine is 0.3 percent (omf). The rest was the same as in example 12.
Wherein, the polylysine is of industrial grade, and the manufacturer is Zhengzhou Baisuter food additive limited company.
The process for producing sea island filaments of step S1 of this example is the same as that of example 12.
Example 14
The difference between the dyeing process of sea island filament of this example and example 12 is that: in the step B of the step S3, polylysine is added into the dye liquor after the sock is dyed for 30min, and the adding amount of the polylysine is 0.5 percent (omf). The rest is the same as in example 12.
Wherein, the polylysine is of industrial grade, and the manufacturer is Zhengzhou Baisuter food additive limited company.
The process for producing sea island filaments of step S1 of this example is the same as that of example 12.
Example 15
The difference between the dyeing process of sea island filament of this example and example 12 is that: in the step B of the step S3, polylysine is added into the dye liquor after the sock is dyed for 30min, and the adding amount of the polylysine is 0.8 percent (omf). The rest is the same as in example 12.
Wherein, the polylysine is of industrial grade, and the manufacturer is Zhengzhou Baisuter food additive limited company.
The process for producing sea island filaments of step S1 of this example is the same as that of example 12.
Example 16
The difference between the dyeing process of sea island filament of this example and example 14 is that: in step B of step S3, the glucan is an acryl glucan. The rest is the same as in example 12.
Wherein the allyl dextran is BR, and the manufacturer is Nanjing Sen Bega Biotechnology Ltd.
The process for producing sea island filaments of step S1 of this example is the same as that of example 14.
Example 17
The dyeing process of sea island filament of this example is different from example 16 in that: in step S3, in step B, the glucan is composed of propenyl glucan and oxidized glucan at a mass ratio of 7.5. The rest is the same as in example 16.
Wherein the type of the propenyl glucan is BR, and the manufacturer is Nanjing Senega Biotech limited.
The oxidized dextran manufacturer is Nanjing Senega Biotechnology, inc.
The process for producing sea island filaments in step S1 of this example is the same as that of example 16.
Example 18
The difference between the dyeing process of sea island filament of this example and example 16 is that: in step S3, in step B, the glucan is composed of propenyl glucan and oxidized glucan in a mass ratio of 13. The rest is the same as in example 16.
Wherein the type of the propenyl glucan is BR, and the manufacturer is Nanjing Senega Biotech limited.
The manufacturer of oxidized dextran is Nanjing Senega Biotech, inc.
The process for producing sea island filaments of step S1 of this example is the same as that of example 16.
Example 19
The difference between the dyeing process of sea island filament of this example and example 16 is that: in step S3, in step B, the glucan is composed of propenyl glucan and oxidized glucan at a mass ratio of 15. The rest is the same as in example 16.
Wherein the type of the propenyl glucan is BR, and the manufacturer is Nanjing Senega Biotech limited. The manufacturer of oxidized dextran is Nanjing Senega Biotech, inc.
The process for producing sea island filaments of step S1 of this example is the same as that of example 16.
Example 20
The dyeing process of sea island filament of this example is different from example 19 in that: step S3 further includes a process D: and (3) fixation: the dyed sock sleeves are immersed in a color fixing solution, the color fixing solution consists of water and a color fixing agent, the temperature of the color fixing solution is 55 ℃, the color fixing time is 40min, the bath ratio is 1.
Wherein the type of the color fixing agent is JYB212, and the manufacturer is Junyu chemical company Limited in Qing Yuan City.
The process for producing sea island filaments of step S1 of this example is the same as that of example 19.
Comparative example
Comparative example 1
The dyeing process of the sea island filament of the comparative example comprises the following steps:
s1: using a hosiery machine to knit the sea island filaments into socks to prepare sock covers, weighing the weight of the sock covers, and calculating the proportion of water and sodium hydroxide according to the weight of the sock covers;
s2: treating the sock sleeves in an alkali liquor for 20min, wherein the temperature of the alkali liquor is 90 ℃, the mass fraction of sodium hydroxide in the alkali liquor is 3%, and the bath ratio is 1;
s3: adding a dye solution into a dye vat, placing the sock subjected to alkali treatment in the step S2 into the dye vat for dyeing, wherein the temperature of the dye solution is 90 ℃, the bath ratio is 1 percent (omf) and is 12 percent, the dye is 1 percent (omf), the dye is a disperse dye, the type of the disperse dye is disperse blue 60, and the manufacturer is Condst chemical engineering (Hubei) Co., ltd.;
s4: and cooling the dyed sock to room temperature, washing, drying and grading according to a standard color card.
The sea island filament of step S1 of this comparative example was prepared from the following raw materials by weight: 25kg of alkali-soluble polyester and 60kg of polyester.
The production process of the sea island filament of the step S1 of the comparative example comprises the following process flows of:
a. drying the soluble polyester chips, and then performing melt extrusion through a sea component screw extruder to prepare a melt extrusion material A; b. drying polyester, and then performing melt extrusion through an island component screw extruder to prepare a melt extrusion material B;
c. and c, metering and mixing the molten extrusion material A in the step a and the molten extrusion material B in the step B, and then sequentially carrying out spinning assembly, cooling, oiling, drafting, shaping, gridding and winding forming to obtain the sea-island filament.
Wherein the intrinsic viscosity of the alkali-soluble polyester is 0.52dl/g, the melting point is 228 ℃, and the manufacturer is Wujiang New chemical fiber Co. The intrinsic viscosity of the polyester was 1.02dl/g, the melting point was 228 ℃ and the manufacturer was DuPont.
Comparative example 2
The dyeing process of the sea island filament of the comparative example comprises the following steps:
s1: using a hosiery machine to knit the sea island filaments into socks to prepare sock covers, weighing the weight of the sock covers, and calculating the proportion of water and sodium hydroxide according to the weight of the sock covers;
s2: treating the sock sleeves in an alkali liquor for 30min, wherein the temperature of the alkali liquor is 100 ℃, the mass fraction of sodium hydroxide in the alkali liquor is 3%, the bath ratio is 1;
s3: 1) Pretreatment: soaking the sock subjected to alkali treatment into cleaning solution for treatment for 30min, and then cleaning the sock by using distilled water for later use, wherein the cleaning solution consists of ethanol and dimethyl sulfoxide according to a mass ratio of 17; 2) Dyeing: A. adding dye liquor into a dye vat, and heating to 60 ℃; B. putting the pretreated sock cover into a dye vat, heating the dye liquor to 100 ℃ at the speed of 0.8 ℃/min, dyeing for 50min, wherein the bath ratio is 1; C. cooling the dye liquor to 70 ℃, and keeping the temperature for 8min;
s4: and cooling the dyed sock to room temperature, washing, drying and then grading according to a standard color card.
The sea island filament of step S1 of this comparative example was prepared from the following raw materials by weight: 30kg of alkali-soluble polyester and 70kg of polyester.
The process for producing sea-island filaments of step S1 of this comparative example is the same as in comparative example 1.
Comparative example 3
The dyeing process of the sea island filament of the comparative example comprises the following steps:
s1: using a hosiery machine to knit the sea island filaments into socks to prepare sock covers, weighing the weight of the sock covers, and calculating the proportion of water and sodium hydroxide according to the weight of the sock covers;
s2: treating the sock sleeves in an alkali liquor for 30min, wherein the temperature of the alkali liquor is 100 ℃, the mass fraction of sodium hydroxide in the alkali liquor is 3%, and the bath ratio is 1;
s3: 1) Pretreatment: soaking the sock subjected to alkali treatment into cleaning solution for treatment for 30min, and then cleaning the sock by using distilled water for later use, wherein the cleaning solution consists of ethanol and dimethyl sulfoxide according to a mass ratio of 17; 2) Dyeing: A. adding dye liquor into a dye vat, and heating to 60 ℃; B. putting the pretreated sock into a dye vat, heating the dye liquor to 100 ℃ at the speed of 0.8 ℃/min, dyeing for 50min, wherein the bath ratio is 1; C. cooling the dye liquor to 70 ℃, and keeping the temperature for 8min;
s4: and cooling the dyed sock to room temperature, washing, drying and grading according to a standard color card.
The sea island filament of step S1 of this comparative example was prepared from the following raw materials by weight: 30kg of alkali-soluble polyester and 70kg of polyester.
The process for producing sea-island filaments of step S1 of this comparative example is the same as in comparative example 1.
Performance test
Detection method
The socks of examples 1-15 and comparative examples 1-3 were used to determine the dyeing properties according to the national standards GB/T3920-1997 color fastness to rubbing in the color fastness test for textiles, GB/T3921.1-1997 color fastness to washing in the color fastness test for textiles, and the results are shown in Table 2.
TABLE 2 sock dyeing property test results of examples 1-15 and comparative examples 1-2
Figure BDA0003131393330000131
It can be seen from the analysis of examples 1 to 5 and comparative examples 1 to 3 in combination with Table 2 that the hyperbranched polyamide improves the binding force between the dye molecules and the fibers and improves the color fastness of the sea island filaments to some extent.
Analysis of examples 1-5, 6, 7-12, and 1-3 in combination with Table 2 shows that the washing fastness and rubbing fastness of sea island filaments are improved to levels 4-5 by forming a gel system of dextran in the dye solution and combining with the dyeing process of slowly raising the temperature at intervals.
Analyzing example 13, example 14, and example 15 in combination with table 2, it can be seen that the addition of polylysine further regulates the diffusion rate of the dye molecules, further improving the color fastness of the sea island filaments.
By analyzing example 15, example 16, example 17, example 18 and example 19 and combining table 2, it can be seen that the combination of acryl-based dextran and oxidized dextran further improves the color fastness of sea island filaments to grade 5.
Analysis of example 20 in combination with table 2 shows that the fixing process improves the wash fastness of the sea island filaments.
In summary, the sea-island filament fabric dyed by the sea-island filament dyeing process has better dyeing fastness and is suitable for being applied to the clothing industry.
The specific embodiments are only for explaining the present application and are not limiting to the present application, and those skilled in the art can make modifications to the embodiments without inventive contribution as required after reading the present specification, but all the embodiments are protected by patent law within the scope of the claims of the present application.

Claims (2)

1. The dyeing process of the sea island filaments is characterized by comprising the following steps of:
s1: alkali washing: the sock is made by weaving the sea island silk into the sock, wherein the sea island silk is made of the following raw materials in parts by weight: 25-35 parts of alkali-soluble polyester, 60-80 parts of polyester and 3-7 parts of hyperbranched polyamide; then, performing alkali treatment on the sock in alkali liquor for 20-40min, wherein the temperature of the alkali liquor is 90-110 ℃, the bath ratio is 1;
s2: dyeing: and (2) dyeing the sock subjected to alkali treatment in the step (S1), wherein the dyeing comprises the following steps:
1) Pretreatment: soaking the sock sleeves subjected to alkali treatment into cleaning solution for treatment for 25-35min, and cleaning with distilled water for later use, wherein the cleaning solution consists of ethanol and dimethyl sulfoxide according to a mass ratio of (15-18) to (1.5-3);
2) Dyeing: dyeing the pretreated sock according to the following procedures:
A. heating the dye liquor to 50-65 ℃, wherein the dye liquor is mainly prepared from the following raw materials: dye, auxiliary agent and water; wherein the bath ratio is 1; the glucan is one of propenyl glucan and oxidized glucan;
B. immersing the pretreated sock into a dye solution, heating the dye solution to 90-120 ℃ at a speed of 1-1.5 ℃/min, dyeing for 50-70min, and adding 0.3-0.8% (omf) polylysine into the dye solution after dyeing the sock for 30 mm;
C. cooling the dye liquor to 70 ℃, and keeping for 5-10min;
s3: grading: and (4) washing and drying the dyed sock, and then grading according to the color card standard.
2. The process of claim 1, wherein the dyeing process of sea island filaments comprises: the step 2) further comprises a process D: and (3) fixation: the sock sleeves are immersed in a color fixing solution, the color fixing solution consists of a color fixing agent and water, the temperature of the color fixing solution is 50-65 ℃, the color fixing time is 30-50min, the bath ratio is 1.
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