CN113668135A - Preparation method of warp-knitted fabric with waterproof cool feeling function and product thereof - Google Patents
Preparation method of warp-knitted fabric with waterproof cool feeling function and product thereof Download PDFInfo
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- CN113668135A CN113668135A CN202110927499.0A CN202110927499A CN113668135A CN 113668135 A CN113668135 A CN 113668135A CN 202110927499 A CN202110927499 A CN 202110927499A CN 113668135 A CN113668135 A CN 113668135A
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- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04B—KNITTING
- D04B21/00—Warp knitting processes for the production of fabrics or articles not dependent on the use of particular machines; Fabrics or articles defined by such processes
- D04B21/02—Pile fabrics or articles having similar surface features
- D04B21/04—Pile fabrics or articles having similar surface features characterised by thread material
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- 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
- D01F1/00—General methods for the manufacture of artificial filaments or the like
- D01F1/02—Addition of substances to the spinning solution or to the melt
- D01F1/10—Other agents for modifying properties
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- 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
- D01F6/00—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof
- D01F6/44—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from mixtures of polymers obtained by reactions only involving carbon-to-carbon unsaturated bonds as major constituent with other polymers or low-molecular-weight compounds
- D01F6/46—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from mixtures of polymers obtained by reactions only involving carbon-to-carbon unsaturated bonds as major constituent with other polymers or low-molecular-weight compounds of polyolefins
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06B—TREATING TEXTILE MATERIALS USING LIQUIDS, GASES OR VAPOURS
- D06B15/00—Removing liquids, gases or vapours from textile materials in association with treatment of the materials by liquids, gases or vapours
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06B—TREATING TEXTILE MATERIALS USING LIQUIDS, GASES OR VAPOURS
- D06B3/00—Passing of textile materials through liquids, gases or vapours to effect treatment, e.g. washing, dyeing, bleaching, sizing, impregnating
- D06B3/10—Passing of textile materials through liquids, gases or vapours to effect treatment, e.g. washing, dyeing, bleaching, sizing, impregnating of fabrics
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06C—FINISHING, DRESSING, TENTERING OR STRETCHING TEXTILE FABRICS
- D06C7/00—Heating or cooling textile fabrics
- D06C7/02—Setting
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- D—TEXTILES; PAPER
- D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B2321/00—Fibres made from polymers obtained by reactions only involving carbon-to-carbon unsaturated bonds
- D10B2321/02—Fibres made from polymers obtained by reactions only involving carbon-to-carbon unsaturated bonds polyolefins
- D10B2321/021—Fibres made from polymers obtained by reactions only involving carbon-to-carbon unsaturated bonds polyolefins polyethylene
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- D—TEXTILES; PAPER
- D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B2331/00—Fibres made from polymers obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. polycondensation products
- D10B2331/04—Fibres made from polymers obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. polycondensation products polyesters, e.g. polyethylene terephthalate [PET]
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
- Y02P70/62—Manufacturing or production processes characterised by the final manufactured product related technologies for production or treatment of textile or flexible materials or products thereof, including footwear
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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)
- Coloring (AREA)
- Woven Fabrics (AREA)
Abstract
The invention provides a preparation method of waterproof cool functional warp-knitted fabric and a product thereof, comprising the steps of weaving, sizing, finishing and dyeing, and forming; in the used fiber raw materials, the weight ratio of polyethylene fibers or terylene is 20-100%; wherein the shaping comprises waterproof treatment, and the temperature is 100-130 ℃; wherein the polyethylene fiber raw material is dyeable polyethylene fiber modified by montmorillonite. Aiming at the existing waterproof fabric treatment mode, the cool fiber is innovatively added, so that the comfort level of the fabric can be improved, and the elegant, beautiful and comfortable performances of the garment fabric are realized.
Description
Technical Field
The invention relates to the field of textiles, in particular to a preparation method of a warp-knitted fabric with a waterproof cool feeling function and a product thereof.
Background
Along with the improvement of the life quality of people, the demand on the functional aspect of the fabric is also gradually increased. People seek beauty and demand for comfort is also increasing. The effects of being warm in winter and cool in summer are the constant theme of the demands of consumers, and are highlighted strongly in the fields of fibers and fabrics. With the continuous development of cool cloth, recently, polyethylene becomes a key material of cool cloth, and the modification research on polyethylene is more and more.
However, the existing polyethylene fiber is difficult to dye, has larger difference with the traditional chemical fiber in performance, is difficult to use simultaneously and the like.
Disclosure of Invention
This section is for the purpose of summarizing some aspects of embodiments of the invention and to briefly introduce some preferred embodiments. In this section, as well as in the abstract and the title of the invention of this application, simplifications or omissions may be made to avoid obscuring the purpose of the section, the abstract and the title, and such simplifications or omissions are not intended to limit the scope of the invention.
The invention is provided in view of the technical blank of the preparation of the waterproof cool functional warp-knitted fabric and/or the existing waterproof cool functional warp-knitted fabric.
Therefore, one of the purposes of the present invention is to solve the defects in the prior art and provide a method for preparing a waterproof cool functional warp-knitted fabric.
In order to solve the technical problems, the invention provides the following technical scheme: a method for preparing a waterproof cool functional warp-knitted fabric comprises,
warping, weaving, shaping, finishing and molding; in the used fiber raw materials, the weight ratio of polyethylene fibers to surface yarns or bottom yarns is 20-100%, and 20-75D FDY polyester fibers are adopted as medium yarns;
wherein the shaping comprises waterproof treatment, and the temperature is 100-130 ℃;
the polyethylene fiber is modified by montmorillonite.
As a preferable scheme of the preparation method of the waterproof cool functional warp-knitted fabric, the waterproof cool functional warp-knitted fabric comprises the following steps: and the warping is distributed on the pan head according to the usage amount of the polyethylene fibers.
As a preferable scheme of the preparation method of the waterproof cool functional warp-knitted fabric, the waterproof cool functional warp-knitted fabric comprises the following steps: the preparation method of the polyethylene fiber modified by the montmorillonite comprises the following steps,
mixing montmorillonite and polyethylene powder in a premixer for 20 minutes, wherein the rotating speed of the premixer is 300 r/min;
the mixed powder is extruded by a double screw extruder at the processing temperature of 135-155 ℃ to prepare montmorillonite modified polyethylene slices, and polyethylene fibers are prepared by melt spinning;
wherein the content of the montmorillonite in the polyethylene fiber is 0.2-1.2%.
As a preferable scheme of the preparation method of the waterproof cool functional warp-knitted fabric, the waterproof cool functional warp-knitted fabric comprises the following steps: the concentration of the waterproof agent adopted in the waterproof treatment is 20-50 g/L.
As a preferable scheme of the preparation method of the waterproof cool functional warp-knitted fabric, the waterproof cool functional warp-knitted fabric comprises the following steps: the finishing dyeing comprises dyeing, drying and washing; wherein the dyeing temperature is 100-130 ℃; and drying at the temperature of 80-120 ℃.
As a preferable scheme of the preparation method of the waterproof cool functional warp-knitted fabric, the waterproof cool functional warp-knitted fabric comprises the following steps: the waterproof treatment and processing process comprises the steps of adjusting the temperature of an oven to be 100 ℃ in the first section for pre-baking, baking the rest at 120 ℃ at the speed of 30-50 yards, and cooling the materials out of the oven by cooling air and cold water cylinders to reduce the temperature to 30-40 ℃ for stabilizing the shape.
As a preferable scheme of the preparation method of the waterproof cool functional warp-knitted fabric, the waterproof cool functional warp-knitted fabric comprises the following steps: the dyeing comprises a temperature rise stage; a heat preservation stage; a temperature reduction stage;
wherein the temperature raising stage comprises raising the temperature from 25-35 ℃ to 70-80 ℃ at a speed of 1-3 ℃/min, preserving the heat for 5-8 min, raising the temperature to 90-110 ℃ at a speed of 2-3 ℃/min, preserving the heat for 5-8 min, heating to 110-130 ℃ at a speed of 2-3 ℃/min, and preserving the heat for 30-50 min.
As a preferable scheme of the preparation method of the waterproof cool functional warp-knitted fabric, the waterproof cool functional warp-knitted fabric comprises the following steps: the cooling stage comprises cooling to 90-110 ℃ at a rate of 0.5-1.5 ℃/min, preserving heat for 5-8 min, cooling to 70-90 ℃ at a rate of 1-3 ℃/min, preserving heat for 15-40 min, and cooling to 30-50 ℃ at a rate of 1.5-4 ℃/min.
As a preferable scheme of the preparation method of the waterproof cool functional warp-knitted fabric, the waterproof cool functional warp-knitted fabric comprises the following steps: setting, wherein the setting speed is 25-30 m/min; the fiber raw material is DTY and/or FDY, the denier number of the fiber raw material is 20-300D, the first part is 1-300F, and the single fiber fineness is 0.3-1D; and the water washing is water washing with a softener.
The invention aims to solve the defects in the prior art and provide a product prepared by the preparation method of the waterproof cool functional warp-knitted fabric, wherein in the product, the weight ratio of polyethylene fibers in surface yarns or bottom yarns in the used fiber raw materials is 20-100%.
The invention has the beneficial effects that:
the invention combines various raw materials and the weaving process matched with the raw materials, thereby obtaining the fabric which has the function combination effect, realizes the functions of beauty, health care and safety of the fabric, and is particularly suitable for the development of clothes and home textile fabrics.
The product prepared by the method can simultaneously have excellent functional effects of cool feeling and water resistance. In the aspect of cool feeling, the fabric meets the requirement of the instant cool feeling heat flow (W/cm) of the fabric according to the test regulation of GB/T35263-20172) Not less than 0.140, and meanwhile, the waterproof grade of the fabric can be stably guaranteed to be level 4.
Detailed Description
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with examples are described in detail below.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, but the present invention may be practiced in other ways than those specifically described and will be readily apparent to those of ordinary skill in the art without departing from the spirit of the present invention, and therefore the present invention is not limited to the specific embodiments disclosed below.
Furthermore, reference herein to "one embodiment" or "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment is included in at least one implementation of the invention. The appearances of the phrase "in one embodiment" in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments.
In the following examples, unless otherwise specified, all of them are common commercial products.
Example 1:
modification of polyethylene fiber: the preparation method of the dyeable polyethylene fiber modified by the montmorillonite comprises the step of mixing the montmorillonite and polyethylene powder to prepare the montmorillonite modified polyethylene high polymer material. The first step is premixing, a certain amount of montmorillonite and polyethylene powder are mixed for 20 minutes in a premixer, and the rotating speed of the premixer is 300 r/min.
The mixed powder is realized by a double-screw extrusion process, the processing temperature is 135-155 ℃, montmorillonite modified polyethylene slices are prepared, and polyethylene fibers are prepared by melt spinning, wherein the content of montmorillonite in the polyethylene fibers is 1.2%.
The designed material is prepared by taking 20 parts by weight of polyethylene fiber 75/72 DTY and 80 parts by weight of ordinary terylene 75/144 DTY as surface yarn raw materials, 50D FDY ordinary terylene as medium yarn, and ordinary terylene 75/144 DTY as bottom yarn through weaving, sizing, dyeing and finishing and sewing processes.
The specification of the polyester DTY is 75D/144F, and the specification of the polyethylene fiber DTY is 75D/72F.
The setting temperature of the setting process is 130 ℃, and the setting speed is 28 m/min.
The dyeing and finishing process comprises the following process steps: feeding into a dye vat (dyeing temperature is 120 ℃), drying (temperature is 110 ℃), washing with water, drying (temperature is 110 ℃), and treating the softening agent with tannic acid.
The dyeing process adopts the following dyes in parts by mass: 0.04 part by mass of disperse yellow, 0.0152 part by mass of disperse red, 0.022 part by mass of disperse blue and 0.5 part by mass of 98% glacial acetic acid. The temperature control of the dyeing process is as follows: the initial temperature is 30 ℃, the temperature is heated to 80 ℃ at the speed of 2 ℃/min, the temperature is kept for 5min, the temperature is heated to 100 ℃ at the speed of 1.5 ℃/min, the temperature is kept for 6min, the temperature is heated to 120 ℃ at the speed of 2 ℃/min, the temperature is kept for 40min, the temperature is reduced to 110 ℃ at the speed of 1 ℃/min, the temperature is kept for 6min, the temperature is reduced to 80 ℃ at the speed of 1.5 ℃/min, the temperature is kept for 20min, and finally the temperature is reduced to 33 ℃ at the speed of 2 ℃/min.
Waterproof after finishing: the waterproof requirement after dyeing and drying is as follows in the 4-level process: the waterproof agent is prepared according to 30g/L, the temperature of an oven is adjusted to be that the first section is pre-baked at 100 ℃, the rest is baked at 120 ℃, the speed is 48 yards, and the waterproof agent is taken out of the oven and is blown by cooling wind and cooled by cold water cylinder, so that the temperature is reduced to 35 ℃ for stable shape.
The fabric obtained is subjected to targeted performance detection, and the results are shown in the following table 1:
TABLE 1
Example 2:
modification of polyethylene fiber: the preparation method of the dyeable polyethylene fiber modified by the montmorillonite comprises the step of mixing the montmorillonite and polyethylene powder to prepare the montmorillonite modified polyethylene high polymer material. The first step is premixing, a certain amount of montmorillonite and polyethylene powder are mixed for 20 minutes in a premixer, and the rotating speed of the premixer is 300 r/min.
The mixed powder is realized by a double-screw extrusion process, the processing temperature is 135-155 ℃, montmorillonite modified polyethylene slices are prepared, and polyethylene fibers are prepared by melt spinning, wherein the content of montmorillonite in the polyethylene fibers is 1.2%.
The designed material is prepared by taking 40 parts by weight of polyethylene fiber 75/72 DTY and 60 parts by weight of common terylene 75/144 DTY as surface yarn raw materials, 50D FDY common terylene as medium yarn, and common terylene 75/144 DTY as bottom yarn through weaving, sizing, dyeing and finishing and sewing processes.
The specification of the polyester DTY is 75D/144F, and the specification of the polyethylene fiber DTY is 75D/72F.
The setting temperature of the setting process is 130 ℃, and the setting speed is 28 m/min.
The dyeing and finishing process comprises the following process steps: feeding into a dye vat (dyeing temperature is 120 ℃), drying (temperature is 110 ℃), washing with water, drying (temperature is 110 ℃), and treating the softening agent with tannic acid.
The dyeing process adopts the following dyes in parts by mass: 0.04 part by mass of disperse yellow, 0.0152 part by mass of disperse red, 0.022 part by mass of disperse blue and 0.5 part by mass of 98% glacial acetic acid. The temperature control of the dyeing process is as follows: the initial temperature is 30 ℃, the temperature is heated to 80 ℃ at the speed of 2 ℃/min, the temperature is kept for 5min, the temperature is heated to 100 ℃ at the speed of 1.5 ℃/min, the temperature is kept for 6min, the temperature is heated to 120 ℃ at the speed of 2 ℃/min, the temperature is kept for 40min, the temperature is reduced to 110 ℃ at the speed of 1 ℃/min, the temperature is kept for 6min, the temperature is reduced to 80 ℃ at the speed of 1.5 ℃/min, the temperature is kept for 20min, and finally the temperature is reduced to 33 ℃ at the speed of 2 ℃/min.
Waterproof after finishing: the waterproof requirement after dyeing and drying is as follows in the 4-level process: the waterproof agent is prepared according to 30g/L, the temperature of an oven is adjusted to be that the first section is pre-baked at 100 ℃, the rest is baked at 120 ℃, the speed is 48 yards, and the waterproof agent is taken out of the oven and is blown by cooling wind and cooled by cold water cylinder, so that the temperature is reduced to 35 ℃ for stable shape.
The fabric obtained is subjected to targeted performance detection, and the results are shown in the following table 2:
TABLE 2
Example 3:
modification of polyethylene fiber: the preparation method of the dyeable polyethylene fiber modified by the montmorillonite comprises the step of mixing the montmorillonite and polyethylene powder to prepare the montmorillonite modified polyethylene high polymer material. The first step is premixing, a certain amount of montmorillonite and polyethylene powder are mixed for 20 minutes in a premixer, and the rotating speed of the premixer is 300 r/min.
The mixed powder is realized by a double-screw extrusion process, the processing temperature is 135-155 ℃, montmorillonite modified polyethylene slices are prepared, and polyethylene fibers are prepared by melt spinning, wherein the content of montmorillonite in the polyethylene fibers is 1.2%.
60 parts by weight of polyethylene fiber 75/72 DTY and 40 parts by weight of ordinary terylene 75/144 DTY are used as surface yarn raw materials, 50D FDY ordinary terylene is used as middle yarn, ordinary terylene 75/144 DTY is used as bottom yarn, and the designed material is prepared through weaving, sizing, dyeing and finishing and sewing processes.
The specification of the polyester DTY is 75D/144F, and the specification of the polyethylene fiber DTY is 75D/72F.
The setting temperature of the setting process is 130 ℃, and the setting speed is 28 m/min.
The dyeing and finishing process comprises the following process steps: feeding into a dye vat (dyeing temperature is 120 ℃), drying (temperature is 110 ℃), washing with water, drying (temperature is 110 ℃), and treating the softening agent with tannic acid.
The dyeing process adopts the following dyes in parts by mass: 0.04 part by mass of disperse yellow, 0.0152 part by mass of disperse red, 0.022 part by mass of disperse blue and 0.5 part by mass of 98% glacial acetic acid. The temperature control of the dyeing process is as follows: the initial temperature is 30 ℃, the temperature is heated to 80 ℃ at the speed of 2 ℃/min, the temperature is kept for 5min, the temperature is heated to 100 ℃ at the speed of 1.5 ℃/min, the temperature is kept for 6min, the temperature is heated to 120 ℃ at the speed of 2 ℃/min, the temperature is kept for 40min, the temperature is reduced to 110 ℃ at the speed of 1 ℃/min, the temperature is kept for 6min, the temperature is reduced to 80 ℃ at the speed of 1.5 ℃/min, the temperature is kept for 20min, and finally the temperature is reduced to 33 ℃ at the speed of 2 ℃/min.
Waterproof after finishing: the waterproof requirement after dyeing and drying is as follows in the 4-level process: the waterproof agent is prepared according to 30g/L, the temperature of an oven is adjusted to be that the first section is pre-baked at 100 ℃, the rest is baked at 120 ℃, the speed is 48 yards, and the waterproof agent is taken out of the oven and is blown by cooling wind and cooled by cold water cylinder, so that the temperature is reduced to 35 ℃ for stable shape.
The fabric obtained is subjected to targeted performance detection, and the results are shown in the following table 3:
TABLE 3
Example 4:
modification of polyethylene fiber: the preparation method of the dyeable polyethylene fiber modified by the montmorillonite comprises the step of mixing the montmorillonite and polyethylene powder to prepare the montmorillonite modified polyethylene high polymer material. The first step is premixing, a certain amount of montmorillonite and polyethylene powder are mixed for 20 minutes in a premixer, and the rotating speed of the premixer is 300 r/min.
The mixed powder is realized by a double-screw extrusion process, the processing temperature is 135-155 ℃, montmorillonite modified polyethylene slices are prepared, and polyethylene fibers are prepared by melt spinning, wherein the content of montmorillonite in the polyethylene fibers is 1.2%.
The designed material is prepared by taking 80 parts by weight of polyethylene fiber 75/72 DTY and 20 parts by weight of ordinary terylene 75/144 DTY as surface yarn raw materials, 50D FDY ordinary terylene as medium yarn, and ordinary terylene 75/144 DTY as bottom yarn through weaving, sizing, dyeing and finishing and sewing processes.
The specification of the polyester DTY is 75D/144F, and the specification of the polyethylene fiber DTY is 75D/72F.
The setting temperature of the setting process is 130 ℃, and the setting speed is 28 m/min.
The dyeing and finishing process comprises the following process steps: feeding into a dye vat (dyeing temperature is 120 ℃), drying (temperature is 110 ℃), washing with water, drying (temperature is 110 ℃), and treating the softening agent with tannic acid.
The dyeing process adopts the following dyes in parts by mass: 0.04 part by mass of disperse yellow, 0.0152 part by mass of disperse red, 0.022 part by mass of disperse blue and 0.5 part by mass of 98% glacial acetic acid. The temperature control of the dyeing process is as follows: the initial temperature is 30 ℃, the temperature is heated to 80 ℃ at the speed of 2 ℃/min, the temperature is kept for 5min, the temperature is heated to 100 ℃ at the speed of 1.5 ℃/min, the temperature is kept for 6min, the temperature is heated to 120 ℃ at the speed of 2 ℃/min, the temperature is kept for 40min, the temperature is reduced to 110 ℃ at the speed of 1 ℃/min, the temperature is kept for 6min, the temperature is reduced to 80 ℃ at the speed of 1.5 ℃/min, the temperature is kept for 20min, and finally the temperature is reduced to 33 ℃ at the speed of 2 ℃/min.
Waterproof after finishing: the waterproof requirement after dyeing and drying is as follows in the 4-level process: the waterproof agent is prepared according to 30g/L, the temperature of an oven is adjusted to be that the first section is pre-baked at 100 ℃, the rest is baked at 120 ℃, the speed is 48 yards, and the waterproof agent is taken out of the oven and is blown by cooling wind and cooled by cold water cylinder, so that the temperature is reduced to 35 ℃ for stable shape.
The fabric obtained is subjected to targeted performance detection, and the results are shown in the following table 4:
TABLE 4
Example 5:
modification of polyethylene fiber: the preparation method of the dyeable polyethylene fiber modified by the montmorillonite comprises the step of mixing the montmorillonite and polyethylene powder to prepare the montmorillonite modified polyethylene high polymer material. The first step is premixing, a certain amount of montmorillonite and polyethylene powder are mixed for 20 minutes in a premixer, and the rotating speed of the premixer is 300 r/min.
The mixed powder is realized by a double-screw extrusion process, the processing temperature is 135-155 ℃, montmorillonite modified polyethylene slices are prepared, and polyethylene fibers are prepared by melt spinning, wherein the content of montmorillonite in the polyethylene fibers is 1.2%.
100 parts by weight of polyethylene fiber 75/72 DTY is used as a surface yarn raw material, 50D FDY common terylene is used as a middle yarn, and common terylene 75/144 DTY is used as a bottom yarn, and the designed material is prepared by weaving, sizing, dyeing and finishing and sewing processes.
The specification of the polyester DTY is 75D/144F, and the specification of the polyethylene fiber DTY is 75D/72F.
The setting temperature of the setting process is 130 ℃, and the setting speed is 28 m/min.
The dyeing and finishing process comprises the following process steps: feeding into a dye vat (dyeing temperature is 120 ℃), drying (temperature is 110 ℃), washing with water, drying (temperature is 110 ℃), and treating the softening agent with tannic acid.
The dyeing process adopts the following dyes in parts by mass: 0.04 part by mass of disperse yellow, 0.0152 part by mass of disperse red, 0.022 part by mass of disperse blue and 0.5 part by mass of 98% glacial acetic acid. The temperature control of the dyeing process is as follows: the initial temperature is 30 ℃, the temperature is heated to 80 ℃ at the speed of 2 ℃/min, the temperature is kept for 5min, the temperature is heated to 100 ℃ at the speed of 1.5 ℃/min, the temperature is kept for 6min, the temperature is heated to 120 ℃ at the speed of 2 ℃/min, the temperature is kept for 40min, the temperature is reduced to 110 ℃ at the speed of 1 ℃/min, the temperature is kept for 6min, the temperature is reduced to 80 ℃ at the speed of 1.5 ℃/min, the temperature is kept for 20min, and finally the temperature is reduced to 33 ℃ at the speed of 2 ℃/min.
Waterproof after finishing: the waterproof requirement after dyeing and drying is as follows in the 4-level process: the waterproof agent is prepared according to 30g/L, the temperature of an oven is adjusted to be that the first section is pre-baked at 100 ℃, the rest is baked at 120 ℃, the speed is 48 yards, and the waterproof agent is taken out of the oven and is blown by cooling wind and cooled by cold water cylinder, so that the temperature is reduced to 35 ℃ for stable shape.
The fabric obtained is subjected to targeted performance detection, and the results are shown in the following table 5:
TABLE 5
When the dosage of the flour silk polyethylene fiber reaches 80%, the cool feeling effect is basically stable, and at the moment, for the fabric, the hand feeling can be improved by adding a certain amount of 75D/144F polyester fiber, so that the dosage of the polyethylene fiber is determined to be 80% of the dosage of the flour silk.
Example 6:
modification of polyethylene fiber: the preparation method of the dyeable polyethylene fiber modified by the montmorillonite comprises the step of mixing the montmorillonite and polyethylene powder to prepare the montmorillonite modified polyethylene high polymer material. The first step is premixing, a certain amount of montmorillonite and polyethylene powder are mixed for 20 minutes in a premixer, and the rotating speed of the premixer is 300 r/min.
The mixed powder is realized by a double-screw extrusion process, the processing temperature is 135-155 ℃, montmorillonite modified polyethylene slices are prepared, and polyethylene fibers are prepared by melt spinning, wherein the content of montmorillonite in the polyethylene fibers is 1.2%.
The designed material is prepared by taking 80 parts by weight of polyethylene fiber 75/72 DTY and 20 parts by weight of common terylene 75/144 DTY as bottom yarn raw materials, 50D FDY common terylene as medium yarn, and common terylene 75/144 DTY as surface yarn through weaving, sizing, dyeing and finishing and sewing processes.
The specification of the polyester DTY is 75D/144F, and the specification of the polyethylene fiber DTY is 75D/72F.
The setting temperature of the setting process is 130 ℃, and the setting speed is 28 m/min.
The dyeing and finishing process comprises the following process steps: feeding into a dye vat (dyeing temperature is 120 ℃), drying (temperature is 110 ℃), washing with water, drying (temperature is 110 ℃), and treating the softening agent with tannic acid.
The dyeing process adopts the following dyes in parts by mass: 0.04 part by mass of disperse yellow, 0.0152 part by mass of disperse red, 0.022 part by mass of disperse blue and 0.5 part by mass of 98% glacial acetic acid. The temperature control of the dyeing process is as follows: the initial temperature is 30 ℃, the temperature is heated to 80 ℃ at the speed of 2 ℃/min, the temperature is kept for 5min, the temperature is heated to 100 ℃ at the speed of 1.5 ℃/min, the temperature is kept for 6min, the temperature is heated to 120 ℃ at the speed of 2 ℃/min, the temperature is kept for 40min, the temperature is reduced to 110 ℃ at the speed of 1 ℃/min, the temperature is kept for 6min, the temperature is reduced to 80 ℃ at the speed of 1.5 ℃/min, the temperature is kept for 20min, and finally the temperature is reduced to 33 ℃ at the speed of 2 ℃/min.
Waterproof after finishing: the waterproof requirement after dyeing and drying is as follows in the 4-level process: the waterproof agent is prepared according to 30g/L, the temperature of an oven is adjusted to be that the first section is pre-baked at 100 ℃, the rest is baked at 120 ℃, the speed is 48 yards, and the waterproof agent is taken out of the oven and is blown by cooling wind and cooled by cold water cylinder, so that the temperature is reduced to 35 ℃ for stable shape.
The fabric obtained was subjected to the targeted performance test, and the results are shown in table 6 below:
TABLE 6
When the bottom silk is made of polyethylene, the cool feeling effect is slightly poor, and the surface flexibility of the surface silk is stronger mainly because the surface silk is subjected to soft treatment, so that the function of cool feeling fibers is favorably exerted.
Example 7:
on the basis of example 4, polyethylene fibers were modified: the method is realized by a double-screw extrusion process, the processing temperature is 135-155 ℃, and the content of the montmorillonite in the polyethylene fiber is 0.2 percent
The fabric obtained is subjected to targeted performance detection, and the results are shown in the following table:
TABLE 7
Example 8:
on the basis of example 4, polyethylene fibers were modified: the method is realized by a double-screw extrusion process, the processing temperature is 135-155 ℃, and the content of the montmorillonite in the polyethylene fiber is 0.6 percent
The fabric obtained is subjected to targeted performance detection, and the results are shown in the following table:
TABLE 8
Example 9:
on the basis of example 4, polyethylene fibers were modified: the method is realized by a double-screw extrusion process, the processing temperature is 135-155 ℃, and the content of the montmorillonite in the polyethylene fiber is 1.4 percent
The fabric obtained is subjected to targeted performance detection, and the results are shown in the following table:
TABLE 9
Example 10:
on the basis of example 4, polyethylene fibers were modified: the method is realized by a double-screw extrusion process, the processing temperature is 135-155 ℃, and the content of the montmorillonite in the polyethylene fiber is 2.0 percent
The fabric obtained is subjected to targeted performance detection, and the results are shown in the following table:
watch 10
The color fastness of the fabric can not be increased by continuously increasing the content of the montmorillonite, and at the moment, the mechanical property of the fiber is deteriorated due to the overhigh content of the montmorillonite, so that the phenomena of broken filaments and floating filaments occur in the spinning process, and the improvement of the quality of the fiber is not facilitated.
The preparation of the fabric by using the polyethylene fibers as the cool feeling raw material is not a common material in the field, the cool feeling fabric is mainly realized by physically modifying the fibers by adding materials such as jade powder and the like, and the application difficulty of the cool feeling fabric is that the polyethylene fibers are difficult to dye. The montmorillonite modified fiber dyeing technology is more applied to polypropylene fibers and less applied to the field of polyethylene fibers, and is innovative in dyeing modification of the polyethylene fibers and application of the montmorillonite modified fiber dyeing technology to preparation of cool fabrics.
The montmorillonite modified fiber has a pore effect, the thermal conductivity of the montmorillonite modified fiber is increased under a certain humidity, the montmorillonite modified fiber is beneficial to the rapid heat transfer, and the heat absorption performance of the montmorillonite modified fiber is actually improved.
It should be noted that the above-mentioned embodiments are only for illustrating the technical solutions of the present invention and not for limiting, and although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions may 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, which should be covered by the claims of the present invention.
Claims (10)
1. A preparation method of a waterproof cool functional warp-knitted fabric is characterized by comprising the following steps: comprises the steps of (a) preparing a mixture of a plurality of raw materials,
warping, weaving, shaping, finishing and molding; in the used fiber raw materials, the weight ratio of polyethylene fibers to surface yarns or bottom yarns is 20-100%, and 20-75D FDY polyester fibers are adopted as medium yarns;
wherein the shaping comprises waterproof treatment, and the temperature is 100-130 ℃;
the polyethylene fiber is modified by montmorillonite.
2. The method for preparing the waterproof cool functional warp-knitted fabric according to claim 1, characterized in that: and the warping is distributed on the pan head according to the usage amount of the polyethylene fibers.
3. The method for preparing the waterproof cool functional warp-knitted fabric according to claim 1, characterized in that: the preparation method of the polyethylene fiber modified by the montmorillonite comprises the following steps,
mixing montmorillonite and polyethylene powder in a premixer for 20 minutes, wherein the rotating speed of the premixer is 300 r/min;
the mixed powder is extruded by a double screw extruder at the processing temperature of 135-155 ℃ to prepare montmorillonite modified polyethylene slices, and polyethylene fibers are prepared by melt spinning;
wherein the content of the montmorillonite in the polyethylene fiber is 0.2-1.2%.
4. The method for preparing the waterproof cool functional warp-knitted fabric according to claim 1, characterized in that: the concentration of the waterproof agent adopted in the waterproof treatment is 20-50 g/L.
5. The method for preparing the waterproof cool functional warp-knitted fabric according to claim 1, characterized in that: the finishing dyeing comprises dyeing, drying and washing; wherein the dyeing temperature is 100-130 ℃; and drying at the temperature of 80-120 ℃.
6. The method for preparing the waterproof cool functional warp-knitted fabric according to any one of claims 1 to 5, characterized in that: the waterproof treatment and processing process comprises the steps of adjusting the temperature of an oven to be 100 ℃ in the first section for pre-baking, baking the rest at 120 ℃ at the speed of 30-50 yards, and cooling the materials out of the oven by cooling air and cold water cylinders to reduce the temperature to 30-40 ℃ for stabilizing the shape.
7. The method for preparing the waterproof cool functional warp-knitted fabric according to claim 5, characterized in that: the dyeing comprises a temperature rise stage; a heat preservation stage; a temperature reduction stage;
wherein the temperature raising stage comprises raising the temperature from 25-35 ℃ to 70-80 ℃ at a speed of 1-3 ℃/min, preserving the heat for 5-8 min, raising the temperature to 90-110 ℃ at a speed of 2-3 ℃/min, preserving the heat for 5-8 min, heating to 110-130 ℃ at a speed of 2-3 ℃/min, and preserving the heat for 30-50 min.
8. The method for preparing the waterproof cool functional warp-knitted fabric according to claim 7, characterized in that: the cooling stage comprises cooling to 90-110 ℃ at a rate of 0.5-1.5 ℃/min, preserving heat for 5-8 min, cooling to 70-90 ℃ at a rate of 1-3 ℃/min, preserving heat for 15-40 min, and cooling to 30-50 ℃ at a rate of 1.5-4 ℃/min.
9. The method for preparing the waterproof cool functional warp-knitted fabric according to any one of claims 1 to 5, 7 or 8, wherein the method comprises the following steps: setting, wherein the setting speed is 25-30 m/min; the fiber raw material is DTY and/or FDY, the denier number of the fiber raw material is 20-300D, the first part is 1-300F, and the single fiber fineness is 0.3-1D; and the water washing is water washing with a softener.
10. The product prepared by the preparation method of the waterproof cool-feeling functional warp-knitted fabric as claimed in any one of claims 1 to 9, which is characterized in that: in the product, in the used fiber raw materials, the weight ratio of the polyethylene fiber on the surface yarn or the bottom yarn is 20-100%.
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