CN111020774A - Production process of modal knitted fabric capable of forming heterochromatic effect - Google Patents

Production process of modal knitted fabric capable of forming heterochromatic effect Download PDF

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Publication number
CN111020774A
CN111020774A CN201911148895.2A CN201911148895A CN111020774A CN 111020774 A CN111020774 A CN 111020774A CN 201911148895 A CN201911148895 A CN 201911148895A CN 111020774 A CN111020774 A CN 111020774A
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China
Prior art keywords
modal
fabric
fiber
knitted fabric
self
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奚斌
刘小华
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Guangdong Smart Team Textiles Technology Ltd
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Guangdong Smart Team Textiles Technology Ltd
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Priority to CN201911148895.2A priority Critical patent/CN111020774A/en
Publication of CN111020774A publication Critical patent/CN111020774A/en
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    • DTEXTILES; PAPER
    • D02YARNS; MECHANICAL FINISHING OF YARNS OR ROPES; WARPING OR BEAMING
    • D02GCRIMPING OR CURLING FIBRES, FILAMENTS, THREADS, OR YARNS; YARNS OR THREADS
    • D02G3/00Yarns or threads, e.g. fancy yarns; Processes or apparatus for the production thereof, not otherwise provided for
    • D02G3/02Yarns or threads characterised by the material or by the materials from which they are made
    • D02G3/04Blended or other yarns or threads containing components made from different materials
    • DTEXTILES; PAPER
    • D01NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01FCHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
    • D01F1/00General methods for the manufacture of artificial filaments or the like
    • D01F1/02Addition of substances to the spinning solution or to the melt
    • D01F1/10Other agents for modifying properties
    • DTEXTILES; PAPER
    • D04BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04BKNITTING
    • D04B1/00Weft knitting processes for the production of fabrics or articles not dependent on the use of particular machines; Fabrics or articles defined by such processes
    • D04B1/14Other fabrics or articles characterised primarily by the use of particular thread materials
    • DTEXTILES; PAPER
    • D04BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04BKNITTING
    • D04B1/00Weft knitting processes for the production of fabrics or articles not dependent on the use of particular machines; Fabrics or articles defined by such processes
    • D04B1/14Other fabrics or articles characterised primarily by the use of particular thread materials
    • D04B1/18Other fabrics or articles characterised primarily by the use of particular thread materials elastic threads
    • DTEXTILES; PAPER
    • D04BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04BKNITTING
    • D04B21/00Warp knitting processes for the production of fabrics or articles not dependent on the use of particular machines; Fabrics or articles defined by such processes
    • DTEXTILES; PAPER
    • D06TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06CFINISHING, DRESSING, TENTERING OR STRETCHING TEXTILE FABRICS
    • D06C7/00Heating or cooling textile fabrics
    • D06C7/02Setting
    • DTEXTILES; PAPER
    • D06TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06MTREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
    • D06M11/00Treating 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
    • D06M11/32Treating 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
    • D06M11/50Treating 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 hydrogen peroxide or peroxides of metals; with persulfuric, permanganic, pernitric, percarbonic acids or their salts
    • DTEXTILES; PAPER
    • D06TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06PDYEING OR PRINTING TEXTILES; DYEING LEATHER, FURS OR SOLID MACROMOLECULAR SUBSTANCES IN ANY FORM
    • D06P3/00Special processes of dyeing or printing textiles, or dyeing leather, furs, or solid macromolecular substances in any form, classified according to the material treated
    • D06P3/82Textiles which contain different kinds of fibres
    • D06P3/8204Textiles which contain different kinds of fibres fibres of different chemical nature
    • DTEXTILES; PAPER
    • D06TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06MTREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
    • D06M2101/00Chemical constitution of the fibres, threads, yarns, fabrics or fibrous goods made from such materials, to be treated
    • D06M2101/02Natural fibres, other than mineral fibres
    • D06M2101/04Vegetal fibres
    • D06M2101/06Vegetal fibres cellulosic
    • DTEXTILES; PAPER
    • D06TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06MTREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
    • D06M2101/00Chemical constitution of the fibres, threads, yarns, fabrics or fibrous goods made from such materials, to be treated
    • D06M2101/16Synthetic fibres, other than mineral fibres
    • D06M2101/30Synthetic polymers consisting of macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
    • D06M2101/38Polyurethanes

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Coloring (AREA)

Abstract

本发明涉及纺织技术领域,具体涉及一种自形成异色效果的莫代尔针织面料的生产工艺,该自形成异色效果的莫代尔针织面料的生产工艺,由于选用了改性莫代尔纤维和莫代尔纤维作为原料,利用了改性莫代尔纤维的染色特性,将它与莫代尔纤维一起混纺后,在染色中取得很好的异色效果,又不失面料的特性,这样保证了面料本身的天然性又符合了环保的概念,适用于童装、内衣等贴身的服装。另外,利用了莫代尔纤维在无盐无碱且染色时间少的条件下,上染的力份很小,但是改性莫代尔纤维的上染速度快,得色后的吸附能力强,所以后续在煮碱的过程中,莫代尔纤维会掉色,改性莫代尔纤维不掉色,这样就得出了很好的异色效果。The invention relates to the technical field of textiles, in particular to a production process of a modal knitted fabric with a self-formed heterochromatic effect. The production process of the modal knitted fabric with a self-formed heterochromatic effect is due to the selection of modified modal fibers and modal fibers as raw materials , Utilizing the dyeing properties of modified modal fiber, after blending it with modal fiber, a good heterochromatic effect is obtained in dyeing, without losing the characteristics of the fabric, which ensures the naturalness of the fabric itself and conforms to environmental protection. The concept is suitable for close-fitting clothing such as children's clothing and underwear. In addition, using modal fiber under the conditions of no salt, no alkali and less dyeing time, the dyeing force is very small, but the dyeing speed of modified modal fiber is fast, and the adsorption capacity after color is strong, so the subsequent cooking In the process of alkali, the modal fiber will fade, and the modified modal fiber will not fade, so that a good heterochromatic effect is obtained.

Description

Production process of modal knitted fabric capable of forming heterochromatic effect
Technical Field
The invention relates to the technical field of spinning, in particular to a production process of modal knitted fabric capable of forming a heterochromatic effect.
Background
Along with the improvement of living standard of people, the requirements of people on wearing quality are higher and higher, and especially the requirements on functionality and appearance of the fabric of clothes are higher and higher.
In the prior art, the dyeing process is required when the cellulose fibers such as cotton, regenerated cellulose, viscose, modal and the like are used for manufacturing the fabric, and the dyes, the auxiliaries and the conditions used in the dyeing process are the same, so that the fabric which is pure in color and is obtained by blending and dyeing the fibers can be uneven in the dyeing process, so that the complete heterochromatic effect cannot be achieved, if the heterochromatic effect is required to be obtained, only the fibers can be used for spinning the yarn after dyeing, and the obtained yarn has the grey effect. Therefore, the fabric obtained by the process in the prior art has poor heterochromatic effect, loses the characteristics of the fabric, does not accord with the concept of environmental protection, and is not suitable for next-fit clothes such as children's clothes, underwear and the like.
Disclosure of Invention
The invention aims to provide a production process of modal knitted fabric with self-formed heterochrosis effect aiming at the defects of the prior art, the fabric produced by the production process of the modal knitted fabric with self-formed heterochrosis effect has good heterochrosis effect, does not lose the characteristics of the fabric, accords with the concept of environmental protection, and is suitable for close-fitting clothes such as children's clothes, underwear and the like.
In order to achieve the purpose, the invention adopts the following technical scheme:
the production process of the modal knitted fabric capable of forming the heterochromatic effect comprises the following steps:
step one, fiber selection: selecting modified modal fibers and taking the modified modal fibers and the modal fibers as raw materials according to the following weight percentage:
10 to 30 percent of modified modal fiber
70-90% of modal fiber;
wherein, the modified modal fiber is obtained by adding a cation environment-friendly auxiliary agent into the modal fiber;
step two, spinning: blending the modified modal fibers and the modal fibers according to the formula of the first step to obtain blended yarns;
step three, weaving: weaving the blended yarns obtained in the step two and spandex fibers according to different fabric styles to obtain fabrics;
step four, pretreatment of cloth boiling or bleaching: performing cloth boiling treatment on the fabrics with non-bright color requirements, and performing bleaching treatment on the fabrics with bright color requirements;
step five, salt-free and alkali-free dyeing of reactive dye: selecting reactive dye to dye the fabric pretreated in the fourth step, wherein salt and alkali are not added in the dyeing process of the dye, and the pH value of the dye solution is controlled; adding a non-ionic refining agent or a penetrating agent before dyeing, dyeing at low temperature, adding a dye, keeping the temperature for a certain time, slowly heating, boiling alkali, adjusting acid, and taking out of a cylinder;
step six, shaping: and (3) setting the dyed fabric at a certain temperature to obtain the modal knitted fabric with the self-formed heterochromatic effect.
In the above technical solution, in the first step, the modified modal fiber is produced and provided by texas huayuan ecological technology ltd.
In the above technical solution, preferably, in the step one, the modified modal fiber and the modal fiber are selected and used as raw materials according to the following weight percentages:
20 percent of modified modal fiber
80% of modal fiber.
In the above technical scheme, in the fourth step, the fabric with the non-bright color requirement is subjected to fabric boiling treatment, and the specific operations are as follows: adding a non-ionic refining agent or penetrating agent into the fabric, boiling for 10-20 min at 90-100 ℃ to remove oil stains and stains on the fabric, fully wetting the fabric, and cleaning with clear water.
In the above technical scheme, in the fourth step, the fabric with bright color requirement is bleached, and the specific operations are as follows: adding hydrogen peroxide, sodium hydroxide and a chelating agent into the fabric, bleaching and boiling at 90-100 ℃ for 20-30 min, washing with clear water, then pickling to adjust the pH value to be close to neutral, and adding deoxyenzyme to remove residual hydrogen peroxide.
In the technical scheme, in the fifth step, the fabric pretreated in the fourth step is dyed by using a reactive dye, wherein salt and alkali are not added in the dyeing process of the dye, and the pH value of the dye solution is controlled to be 6-7.5; and adding a non-ionic refining agent or a penetrating agent before dyeing, dyeing at the low temperature of 28-32 ℃, then adding a dye, keeping the temperature for 20-30 min, slowly heating to 50-60 ℃, then boiling alkali, adjusting the acid and taking out of the vat.
In the above technical scheme, in the fifth step, the dye is added in a manner of adding a little dye and adding a much dye, and the adding time is controlled to be 15-20 min.
In the technical scheme, in the sixth step, the dyed fabric is shaped at 160-170 ℃ to obtain the modal knitted fabric with the self-formed heterochromatic effect.
Compared with the prior art, the invention has the beneficial effects that:
(1) according to the production process of the modal knitted fabric capable of forming the heterochromatic effect by self, the modified modal fiber and the modal fiber are selected as raw materials, the dyeing characteristic of the modified modal fiber is utilized, the modified modal fiber and the modal fiber are blended together, the good heterochromatic effect is obtained in dyeing, the characteristic of the fabric is not lost, the natural property of the fabric is ensured, the concept of environmental protection is met, and the production process is suitable for close-fitting clothes such as children's clothes, underwear and the like.
(2) According to the production process of the modal knitted fabric capable of forming the heterochromatic effect, provided by the invention, the modal fiber is utilized to have small dyeing force under the conditions of no salt, no alkali and short dyeing time, but the modified modal fiber has high dyeing speed and strong adsorption capacity after color obtaining, so that the modal fiber can fade and the modified modal fiber does not fade in the subsequent alkali boiling process, and thus, a good heterochromatic effect is obtained.
(3) The production process of the modal knitted fabric capable of forming the heterochromatic effect has the characteristics of simple process, low production cost and suitability for large-scale production.
Detailed Description
In order to make the technical problems, technical solutions and advantageous effects solved by the present invention more apparent, the present invention is further described in detail below with reference to the following embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Example 1.
A production process of modal knitted fabric capable of forming different color effects comprises the following steps:
step one, fiber selection: selecting modified modal fibers and taking the modified modal fibers and the modal fibers as raw materials according to the following weight percentage:
20 percent of modified modal fiber
80% of modal fiber;
wherein, the modified modal fiber is obtained by adding a cation environment-friendly auxiliary agent into the modal fiber; wherein the modified modal fiber is produced and provided by Texas Huayuan ecological technology Co.
Step two, spinning: blending the modified modal fibers and the modal fibers according to the formula of the first step to obtain blended yarns;
step three, weaving: weaving the blended yarns obtained in the step two and spandex fibers according to different fabric styles to obtain fabrics;
step four, pretreatment of cloth boiling or bleaching: the fabric boiling treatment of the fabrics with non-bright color requirements comprises the following specific operations: adding a non-ionic refining agent or penetrating agent into the fabric, boiling for 15min at 95 ℃ to remove oil stains and stains on the fabric, fully wetting the fabric, and cleaning with clear water; the fabric with bright color requirement is bleached, and the specific operation is as follows: adding hydrogen peroxide, sodium hydroxide and a chelating agent into the fabric, bleaching and boiling the fabric at 95 ℃ for 25min, washing the fabric with clear water, then pickling the fabric to adjust the pH value to be close to neutral, and adding deoxyenzyme to remove residual hydrogen peroxide;
step five, salt-free and alkali-free dyeing of reactive dye: selecting reactive dye to dye the fabric pretreated in the fourth step, wherein salt and alkali are not added in the dyeing process of the dye, and the pH value of the dye liquor is controlled to be 7; adding a non-ionic refining agent or penetrating agent before dyeing, dyeing at the low temperature of 30 ℃, then adding a dye, keeping the temperature for 25min, slowly heating to 55 ℃, then boiling alkali, adjusting acid and taking out of a cylinder; wherein, the dye is added in a way of reducing the amount of the dye firstly and then increasing the amount of the dye, and the adding time is controlled to be 18 min;
step six, shaping: and (3) setting the dyed fabric at 165 ℃ to obtain the modal knitted fabric with the self-forming heterochromatic effect.
Example 2.
A production process of modal knitted fabric capable of forming different color effects comprises the following steps:
step one, fiber selection: selecting modified modal fibers and taking the modified modal fibers and the modal fibers as raw materials according to the following weight percentage:
modified Modal fiber 10%
90% of modal fiber;
wherein, the modified modal fiber is obtained by adding a cation environment-friendly auxiliary agent into the modal fiber; wherein the modified modal fiber is produced and provided by Texas Huayuan ecological technology Co.
Step two, spinning: blending the modified modal fibers and the modal fibers according to the formula of the first step to obtain blended yarns;
step three, weaving: weaving the blended yarns obtained in the step two and spandex fibers according to different fabric styles to obtain fabrics;
step four, pretreatment of cloth boiling or bleaching: the fabric boiling treatment of the fabrics with non-bright color requirements comprises the following specific operations: adding a non-ionic refining agent or penetrating agent into the fabric, boiling for 20min at 90 ℃ to remove oil stains and stains on the fabric, fully wetting the fabric, and cleaning with clear water; the fabric with bright color requirement is bleached, and the specific operation is as follows: adding hydrogen peroxide, sodium hydroxide and a chelating agent into the fabric, bleaching and boiling the fabric at 90 ℃ for 30min, washing the fabric with clear water, then pickling the fabric to adjust the pH value to be close to neutral, and adding deoxyenzyme to remove residual hydrogen peroxide;
step five, salt-free and alkali-free dyeing of reactive dye: selecting reactive dye to dye the fabric pretreated in the fourth step, wherein salt and alkali are not added in the dyeing process of the dye, and the pH value of the dye liquor is controlled to be 6; adding a non-ionic refining agent or penetrating agent before dyeing, dyeing at the low temperature of 28 ℃, then adding a dye, keeping the temperature for 30min, slowly heating to 50 ℃, then boiling alkali, adjusting acid and taking out of a cylinder; wherein, the dye is added in a way of reducing the amount of the dye firstly and then increasing the amount of the dye, and the adding time is controlled to be 15 min;
step six, shaping: and (3) setting the dyed fabric at 160 ℃ to obtain the modal knitted fabric with the self-formed heterochromatic effect.
Example 3.
A production process of modal knitted fabric capable of forming different color effects comprises the following steps:
step one, fiber selection: selecting modified modal fibers and taking the modified modal fibers and the modal fibers as raw materials according to the following weight percentage:
30 percent of modified modal fiber
70% of modal fiber;
wherein, the modified modal fiber is obtained by adding a cation environment-friendly auxiliary agent into the modal fiber; wherein the modified modal fiber is produced and provided by Texas Huayuan ecological technology Co.
Step two, spinning: blending the modified modal fibers and the modal fibers according to the formula of the first step to obtain blended yarns;
step three, weaving: weaving the blended yarns obtained in the step two and spandex fibers according to different fabric styles to obtain fabrics;
step four, pretreatment of cloth boiling or bleaching: the fabric boiling treatment of the fabrics with non-bright color requirements comprises the following specific operations: adding a non-ionic refining agent or penetrating agent into the fabric, boiling for 10min at 100 ℃ to remove oil stains and stains on the fabric, fully wetting the fabric, and cleaning with clear water; the fabric with bright color requirement is bleached, and the specific operation is as follows: adding hydrogen peroxide, sodium hydroxide and a chelating agent into the fabric, bleaching and boiling the fabric at 100 ℃ for 20min, washing the fabric with clear water, then pickling the fabric to adjust the pH value to be close to neutral, and adding deoxyenzyme to remove residual hydrogen peroxide;
step five, salt-free and alkali-free dyeing of reactive dye: selecting reactive dye to dye the fabric pretreated in the fourth step, wherein salt and alkali are not added in the dyeing process of the dye, and the pH value of the dye liquor is controlled to be 7.5; adding a non-ionic refining agent or penetrating agent before dyeing, dyeing at the low temperature of 32 ℃, then adding a dye, keeping the temperature for 20min, slowly heating to 60 ℃, then boiling alkali, adjusting acid and taking out of a cylinder; wherein, the dye is added in a way of reducing the amount of the dye firstly and then increasing the amount of the dye, and the adding time is controlled to be 20 min;
step six, shaping: and (3) setting the dyed fabric at 170 ℃ to obtain the modal knitted fabric with the self-formed heterochromatic effect.
Example 4.
A production process of modal knitted fabric capable of forming different color effects comprises the following steps:
step one, fiber selection: selecting modified modal fibers and taking the modified modal fibers and the modal fibers as raw materials according to the following weight percentage:
modified modal fiber 15%
85% of modal fiber;
wherein, the modified modal fiber is obtained by adding a cation environment-friendly auxiliary agent into the modal fiber; wherein the modified modal fiber is produced and provided by Texas Huayuan ecological technology Co.
Step two, spinning: blending the modified modal fibers and the modal fibers according to the formula of the first step to obtain blended yarns;
step three, weaving: weaving the blended yarns obtained in the step two and spandex fibers according to different fabric styles to obtain fabrics;
step four, pretreatment of cloth boiling or bleaching: the fabric boiling treatment of the fabrics with non-bright color requirements comprises the following specific operations: adding a non-ionic refining agent or penetrating agent into the fabric, boiling for 18min at 92 ℃ to remove oil stains and stains on the fabric, fully wetting the fabric, and cleaning with clear water; the fabric with bright color requirement is bleached, and the specific operation is as follows: adding hydrogen peroxide, sodium hydroxide and a chelating agent into the fabric, bleaching and boiling the fabric at 92 ℃ for 28min, washing the fabric with clear water, then pickling the fabric to adjust the pH value to be close to neutral, and adding deoxyenzyme to remove residual hydrogen peroxide;
step five, salt-free and alkali-free dyeing of reactive dye: selecting reactive dye to dye the fabric pretreated in the fourth step, wherein salt and alkali are not added in the dyeing process of the dye, and the pH value of the dye liquor is controlled to be 6.5; adding a non-ionic refining agent or penetrating agent before dyeing, dyeing at the low temperature of 29 ℃, then adding a dye, keeping the temperature for 28min, slowly heating to 53 ℃, then boiling alkali, adjusting acid and taking out of a cylinder; wherein, the dye is added in a way of reducing the amount of the dye firstly and then increasing the amount of the dye, and the adding time is controlled to be 16 min;
step six, shaping: and (3) setting the dyed fabric at 162 ℃ to obtain the modal knitted fabric with the self-formed heterochromatic effect.
Example 5.
A production process of modal knitted fabric capable of forming different color effects comprises the following steps:
step one, fiber selection: selecting modified modal fibers and taking the modified modal fibers and the modal fibers as raw materials according to the following weight percentage:
25 percent of modified modal fiber
75% of modal fiber;
wherein, the modified modal fiber is obtained by adding a cation environment-friendly auxiliary agent into the modal fiber; wherein the modified modal fiber is produced and provided by Texas Huayuan ecological technology Co.
Step two, spinning: blending the modified modal fibers and the modal fibers according to the formula of the first step to obtain blended yarns;
step three, weaving: weaving the blended yarns obtained in the step two and spandex fibers according to different fabric styles to obtain fabrics;
step four, pretreatment of cloth boiling or bleaching: the fabric boiling treatment of the fabrics with non-bright color requirements comprises the following specific operations: adding a non-ionic refining agent or penetrating agent into the fabric, boiling for 12min at 98 ℃ to remove oil stains and stains on the fabric, fully wetting the fabric, and cleaning with clear water; the fabric with bright color requirement is bleached, and the specific operation is as follows: adding hydrogen peroxide, sodium hydroxide and a chelating agent into the fabric, bleaching and boiling the fabric at 98 ℃ for 22min, washing the fabric with clear water, then pickling the fabric to adjust the pH value to be close to neutral, and adding deoxyenzyme to remove residual hydrogen peroxide;
step five, salt-free and alkali-free dyeing of reactive dye: selecting reactive dye to dye the fabric pretreated in the fourth step, wherein salt and alkali are not added in the dyeing process of the dye, and the pH value of the dye liquor is controlled to be 7.3; adding a non-ionic refining agent or penetrating agent before dyeing, dyeing at the low temperature of 31 ℃, then adding a dye, keeping the temperature for 22min, slowly heating to 58 ℃, then boiling alkali, adjusting acid and taking out of a cylinder; wherein, the dye is added in a way of reducing the amount of the dye firstly and then increasing the amount of the dye, and the adding time is controlled to be 19 min;
step six, shaping: and (3) setting the dyed fabric at 168 ℃ to obtain the modal knitted fabric with the self-formed heterochromatic effect.
Finally, it should be noted that the above embodiments are only used for illustrating the technical solutions of the present invention, and not for limiting the protection scope of the present invention, although the present invention is described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions can be made on the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention.

Claims (8)

1.一种自形成异色效果的莫代尔针织面料的生产工艺,其特征在于:它包括以下步骤:1. a kind of production technology of the modal knitted fabric of self-forming heterochromatic effect, is characterized in that: it comprises the following steps: 步骤一、纤维选择:选择改性莫代尔纤维和莫代尔纤维并按照以下重量百分比作为原料:Step 1. Fiber selection: Select modified modal fibers and modal fibers and use the following weight percentages as raw materials: 改性莫代尔纤维 10%~30%Modified Modal Fiber 10%~30% 莫代尔纤维 70%~90%;Modal fiber 70% to 90%; 其中,改性莫代尔纤维是在莫代尔纤维中加入阳离子环保助剂得到的;Among them, the modified modal fiber is obtained by adding cationic environmental protection additives to the modal fiber; 步骤二、纺纱:按照步骤一的配方将改性莫代尔纤维和莫代尔纤维进行混纺得到混纺纱线;Step 2, spinning: according to the formula of step 1, the modified modal fiber and the modal fiber are blended to obtain a blended yarn; 步骤三、织造:将步骤二得到的混纺纱线与氨纶纤维按照不同的面料风格进行织造,得到面料;Step 3, weaving: weaving the blended yarns and spandex fibers obtained in step 2 according to different fabric styles to obtain fabrics; 步骤四、煮布或漂白前处理:对非鲜艳色要求的面料进行煮布处理,对鲜艳色要求的面料进行漂白处理;Step 4. Pre-treatment of cooking or bleaching: cooking fabrics for non-bright colors, and bleaching for fabrics requiring bright colors; 步骤五、活性染料无盐无碱染色:选用活性染料对步骤四中前处理后的面料进行染色,其中,染料上色过程不加盐和碱,并控制染液的pH值;并且,染色前先加入非离子型精炼剂或渗透剂,并于低温下入染,然后加入染料,保温运行一定时间后,再缓慢升温,然后煮碱调酸出缸;Step 5: Reactive dyestuffs are dyed without salt and without alkali: reactive dyes are used to dye the fabrics pretreated in step 4, wherein, no salt and alkali are added during the dyeing process, and the pH value of the dyeing solution is controlled; and, before dyeing First add non-ionic refining agent or penetrant, and dye at low temperature, then add dye, keep warm for a certain period of time, then slowly heat up, then boil alkali to adjust acid and discharge; 步骤六、定型:对染色后的面料于一定温度下进行定型,即制得所述自形成异色效果的莫代尔针织面料。Step 6, setting: the dyed fabric is shaped at a certain temperature, that is, the modal knitted fabric with self-forming heterochromatic effect is obtained. 2.根据权利要求1所述的一种自形成异色效果的莫代尔针织面料的生产工艺,其特征在于:所述步骤一中,所述改性莫代尔纤维是由德州华源生态科技有限公司生产提供。2. the production technique of the modal knitted fabric of a kind of self-forming heterochromatic effect according to claim 1, is characterized in that: in described step 1, described modified modal fiber is produced by Dezhou Huayuan Ecological Technology Co., Ltd. supply. 3.根据权利要求1所述的一种自形成异色效果的莫代尔针织面料的生产工艺,其特征在于:所述步骤一中,选择改性莫代尔纤维和莫代尔纤维并按照以下重量百分比作为原料:3. the production technique of the modal knitted fabric of a kind of self-formed heterochromatic effect according to claim 1, is characterized in that: in described step 1, select modified modal fiber and modal fiber and according to following weight percentage as raw material: 改性莫代尔纤维 20%Modified Modal Fiber 20% 莫代尔纤维 80%。Modal fiber 80%. 4.根据权利要求1所述的一种自形成异色效果的莫代尔针织面料的生产工艺,其特征在于:所述步骤四中,对非鲜艳色要求的面料进行煮布处理,具体操作是:往面料中加入非离子型精炼剂或渗透剂,然后于90℃~100℃下沸煮10min~20min,以去除面料上的油渍、污渍,并使面料充分润湿,再清水洗净。4. the production technology of the modal knitted fabric of a kind of self-forming different-color effect according to claim 1, is characterized in that: in the described step 4, the fabric that non-bright color requires is carried out to boil cloth processing, and concrete operation is: Add non-ionic refining agent or penetrating agent to the fabric, then boil at 90℃~100℃ for 10min~20min to remove oil stains and stains on the fabric, make the fabric fully wet, and then wash with water. 5.根据权利要求1所述的一种自形成异色效果的莫代尔针织面料的生产工艺,其特征在于:所述步骤四中,对鲜艳色要求的面料进行漂白处理,具体操作是:往面料中加入双氧水、氢氧化钠和螯合剂,然后于90℃~100℃下漂白沸煮20min~30min后,清水洗后,再酸洗调pH值接近中性,并加入去氧酶以去除残余的双氧水。5. the production technique of the modal knitted fabric of a kind of self-forming different-color effect according to claim 1, it is characterized in that: in the described step 4, the fabric required for bright color is bleached, and the concrete operation is: to the fabric Add hydrogen peroxide, sodium hydroxide and chelating agent, then bleach and boil at 90℃~100℃ for 20min~30min, after washing with water, then pickling to adjust the pH value close to neutral, and adding deoxygenase to remove residual Hydrogen peroxide. 6.根据权利要求1所述的一种自形成异色效果的莫代尔针织面料的生产工艺,其特征在于:所述步骤五中,选用活性染料对步骤四中前处理后的面料进行染色,其中,染料上色过程不加盐和碱,并控制染液的pH值为6~7.5;并且,染色前先加入非离子型精炼剂或渗透剂,并于低温28℃~32℃下入染,然后加入染料,保温运行20min~30min后,再缓慢升温至50℃~60℃,然后煮碱调酸出缸。6. the production process of the modal knitted fabric of a kind of self-forming heterochromatic effect according to claim 1, is characterized in that: in described step 5, select reactive dyestuff to dye the fabric after pretreatment in step 4, wherein , No salt and alkali are added in the dyeing process, and the pH value of the dye liquor is controlled to be 6 to 7.5; and a non-ionic refining agent or penetrant is added before dyeing, and dyed at a low temperature of 28 ° C ~ 32 ° C, Then add the dyestuff, keep running for 20min-30min, then slowly heat up to 50℃~60℃, then boil the alkali and adjust the acid out of the tank. 7.根据权利要求6所述的一种自形成异色效果的莫代尔针织面料的生产工艺,其特征在于:所述步骤五中,所述加入染料的方式为先少后多,并控制加料时间为15min~20min。7. The production process of a self-forming modal knitted fabric with different-color effect according to claim 6, characterized in that: in the step 5, the method of adding dyes is to add less dye first and then more, and control the feeding time For 15min ~ 20min. 8.根据权利要求1所述的一种自形成异色效果的莫代尔针织面料的生产工艺,其特征在于:所述步骤六中,对染色后的面料于160℃~170℃下进行定型,即制得所述自形成异色效果的莫代尔针织面料。8. The production process of a self-forming modal knitted fabric with a different color effect according to claim 1, wherein in the step 6, the dyed fabric is shaped at 160°C to 170°C, namely The self-forming modal knitted fabric with heterochromatic effect is prepared.
CN201911148895.2A 2019-11-21 2019-11-21 Production process of modal knitted fabric capable of forming heterochromatic effect Pending CN111020774A (en)

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Application publication date: 20200417