CN113151971A - Method for preparing warp-knitted super-soft velvet fabric by adopting radial superfine fibers and product thereof - Google Patents
Method for preparing warp-knitted super-soft velvet fabric by adopting radial superfine fibers and product thereof Download PDFInfo
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- CN113151971A CN113151971A CN202110349001.7A CN202110349001A CN113151971A CN 113151971 A CN113151971 A CN 113151971A CN 202110349001 A CN202110349001 A CN 202110349001A CN 113151971 A CN113151971 A CN 113151971A
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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
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- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01D—MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
- D01D5/00—Formation of filaments, threads, or the like
- D01D5/28—Formation of filaments, threads, or the like while mixing different spinning solutions or melts during the spinning operation; Spinnerette packs therefor
- D01D5/30—Conjugate filaments; Spinnerette packs therefor
- D01D5/34—Core-skin structure; Spinnerette packs therefor
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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
- 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
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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
- 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
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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
- D06C11/00—Teasing, napping or otherwise roughening or raising pile of textile 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
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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
- 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
- D06P3/00—Special processes of dyeing or printing textiles, or dyeing leather, furs, or solid macromolecular substances in any form, classified according to the material treated
- D06P3/82—Textiles which contain different kinds of fibres
- D06P3/8204—Textiles which contain different kinds of fibres fibres of different chemical nature
- D06P3/8214—Textiles which contain different kinds of fibres fibres of different chemical nature mixtures of fibres containing ester and amide groups
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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]
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- 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)
- Mechanical Engineering (AREA)
- Woven Fabrics (AREA)
- Treatment Of Fiber Materials (AREA)
- Knitting Of Fabric (AREA)
Abstract
The invention provides a method for preparing warp knitting super soft velvet fabric by adopting radial superfine fiber 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 the emitting type composite fiber in the surface fiber is 20-100%; wherein the shaping comprises water absorption treatment, and the temperature is 200-240 ℃. Aiming at the defects that the existing superfine fiber is difficult to weave, and the friction charge accumulation is caused by the increase of the specific surface area in the weaving process, so that the cloth cover effect is influenced, the radiation type polyester-polyamide composite fiber subjected to hydrophilic modification is creatively adopted as a face yarn raw material, and is matched through the subsequent dyeing and finishing and heat setting processes, so that a fabric product with an excellent touch style is obtained.
Description
Technical Field
The invention relates to the field of textiles, in particular to a method for preparing a warp-knitted super-soft velvet fabric by adopting radial superfine fibers and a product thereof.
Background
Along with the improvement of the life quality of people, the requirements on the comfort and the functionality of the fabric are gradually increased. For the velvet fabrics, the soft touch feeling is always the quality requirement of the product, and is also the important performance of improving the product quality.
The general method for improving softness is to spin fabric by adopting thinner fiber, the thinner fiber has better softness, so the fabric is widely favored by consumers, but the spinning technology is limited, the current superfine fiber can only achieve 0.5D generally, such as sea island filament and the like and thinner fiber and the like, but the mechanical properties of the fiber are relatively poor, the weaving performance is influenced, and meanwhile, the friction of polyester during weaving is easy to generate static electricity, the weaving and cloth cover effects are influenced, and the difficult weaving problem exists.
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 preparing the warp-knitted super-soft velvet fabric by adopting the radial superfine fibers and/or the prior art.
Therefore, one of the purposes of the present invention is to solve the defects in the prior art, and provide a method for preparing warp-knitted super-soft velvet fabric by using radiation-type superfine fibers, which comprises warping, weaving, sizing, finishing dyeing and forming; the radiation-type superfine fibers are applied to the surface yarns in the used fiber raw materials, the weight ratio of the radiation-type superfine fibers is 20-100%, the middle yarns are made of 50-150D FDY polyester fibers, and the bottom yarns are made of 50-150D DTY polyester fibers; wherein, the warp-knitted fabric fiber raw material comprises 40% of face silk, 20% of middle silk and 40% of bottom silk by mass percentage; wherein, the temperature of the sizing is 200-240 ℃.
As a preferable scheme of the preparation method of the warp-knitted super-soft velvet fabric by using the radial superfine fibers, the method comprises the following steps: the radioactive functional fiber is used for noodle threads, and the proportion of the radioactive functional fiber in the noodle threads is 40-100%.
As a preferable scheme of the preparation method of the warp-knitted super-soft velvet fabric by using the radial superfine fibers, the method comprises the following steps: the radiation-type superfine fiber is a terylene/chinlon composite fiber with the specification of 50-150D FDY.
As a preferable scheme of the preparation method of the warp-knitted super-soft velvet fabric by using the radial superfine fibers, the method comprises the following steps: the radiation type superfine fiber is prepared from polyester and chinlon composite fibers, wherein a core layer adopts a polyester component, and a skin layer adopts a chinlon component, the preparation method adopts a composite spinning process, feeding is respectively carried out through two feeding channels and two screws, the mass fraction of the skin layer is 40-80%, and hydrophilic modified chinlon is adopted as a raw material; the mass fraction of the core layer is 20-60%, and polyester PET is used as a raw material; the spinning temperature is 270-285 ℃, the spinning speed is 800-3000 m/min, and the spinning pressure is 12-18 Kg.
As a preferable scheme of the preparation method of the warp-knitted super-soft velvet fabric by using the radial superfine fibers, the method comprises the following steps: the hydrophilic modified chinlon is prepared by adopting an in-situ polymerization mode, wherein the in-situ polymerization process is to prepare the hydrophilic modified chinlon by adopting a polymerization kettle, the reaction temperature is 270-280 ℃, the raw material is caprolactam, the catalyst is nano titanium dioxide, the addition amount of the nano titanium dioxide is 10-200ppm, the ring-opening agent is water and acetic acid, the addition amount of the water is 1-3%, the addition amount of the acetic acid is 0.3-1%, polyethylene glycol is added as hydrophilic modified chain forging, the addition amount of the polyethylene glycol is 1-10%, and the polymerization time is 4-8 h.
As a preferable scheme of the preparation method of the warp-knitted super-soft velvet fabric by using the radial superfine fibers, the method comprises the following steps: the finishing dyeing comprises dyeing, drying and washing; wherein the dyeing temperature is 100-130 ℃; and drying at 140-180 ℃.
As a preferable scheme of the preparation method of the warp-knitted super-soft velvet fabric by using the radial superfine fibers, the method 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 80-90 ℃ at a rate of 1-3 ℃/min and preserving the temperature for 5-8 min, raising the temperature to 100-120 ℃ at a rate of 2-3 ℃/min and preserving the temperature for 5-8 min, heating to 120-130 ℃ at a rate of 2-3 ℃/min and preserving the temperature for 30-50 min.
As a preferable scheme of the preparation method of the warp-knitted super-soft velvet fabric by using the radial superfine fibers, the method comprises the following steps: the cooling stage comprises cooling to 100-120 ℃ 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 warp-knitted super-soft velvet fabric by using the radial superfine fibers, 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.
The invention further aims to solve the defects in the prior art and provide the warp-knitted super-soft velvet fabric prepared by the method for preparing the warp-knitted super-soft velvet fabric by adopting the radial type superfine fibers, wherein the radial type fibers are swelled in the dyeing process, and then are sanded and cracked under the influence of temperature in the high-temperature after-finishing process to form a unique superfine fiber structure, the high-temperature after-finishing temperature is 180-230 ℃, and the speed is 15-30 m/s.
The invention has the beneficial effects that:
(1) the invention combines various raw materials and the post-finishing process matched with the raw materials, thereby obtaining the super-soft fabric which has super-soft effect, realizes the beauty and comfort of the fabric and is particularly suitable for the development of clothes and home textile fabrics.
(2) The product prepared by the method is combined with the processing technology of the velvet fabric, no special finishing technology is added, meanwhile, compared with other superfine fiber raw materials, the weaving technology is not influenced, the polyester and the nylon components are separated due to the fact that the difference of the water absorption rates of the hydrophilic modified nylon and the polyester is larger in the superfine fiber in the dyeing technology and the water absorption expansion times are different, then the fiber is cracked through high-temperature drying and sanding technology to obtain the core layer superfine fiber, the fabric is endowed with softness, and because the raw material leather layer is the modified nylon, the hydrophilicity is improved, the electrostatic influence generated in the weaving process can be effectively prevented, and the weaving efficiency and the fabric performance are improved.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without inventive exercise. Wherein:
FIG. 1 is a cross-sectional view of a radial fiber in an embodiment of the present invention.
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.
Example 1:
(1) the preparation process of the radiation type two-component composite fiber 75/24DTY comprises the following steps: adopting a composite spinning process, respectively feeding through two feeding channels and two screws, wherein the mass fraction of a skin layer is 60%, and adopting hydrophilic modified chinlon as a raw material; the mass fraction of the core layer is 40%, and polyester PET is used as a raw material; spinning at 278 deg.C, at 2500m/min and under 14Kg pressure to obtain POY, and performing subsequent texturing process to obtain bi-component composite fiber 75/24DTY, wherein the cross section of the radial fiber is shown in FIG. 1; wherein the content of the first and second substances,
the hydrophilic chinlon is obtained by adding PEG (polyethylene glycol) chain forging in an in-situ polymerization mode, wherein the addition amount of the PEG chain forging is 6%, and the polymerization degree is 1000; the specific in-situ polymerization process comprises the following steps: the preparation method is characterized by adopting a polymerization kettle, wherein the reaction temperature is 276 ℃, caprolactam is used as a raw material, nano titanium dioxide is used as a catalyst, the addition amount is 80ppm, a ring-opening agent is water and acetic acid, the addition amount of water is 2%, the addition amount of acetic acid is 0.7%, PEG (polyethylene glycol) is added as hydrophilic modified chain forging, the addition amount is 6%, and the polymerization time is 6 hours.
(2) 20 parts by weight of radiation type two-component composite fiber 75/24DTY and 80 parts by weight of common terylene 75/144DTY are used as raw materials of face yarns, 75/72FDY terylene fiber is used as middle yarns, common terylene 75/72DTY is used as raw materials of bottom yarns, and the warp-knitted fabric fiber raw materials are counted in percentage by mass, the content of the face yarns is 40%, the content of the middle yarns is 20%, and the content of the bottom yarns is 40%;
the designed material is manufactured through the processes of weaving, sizing, dyeing and finishing and sewing;
the setting temperature of the setting process is 210 ℃, and the setting speed is 28 m/min;
(3) the dyeing and finishing process comprises the following process steps: feeding into a dye vat (dyeing temperature is 135 ℃), drying (temperature is 150 ℃), washing with water, drying (temperature is 150 ℃), and treating a softening agent with tannic acid;
the dyeing process adopts the following dyes in parts by mass: 0.05 part by mass of cation yellow, 0.02 part by mass of disperse red, 0.01 part by mass of cation 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 25 ℃, the temperature is heated to 90 ℃ at the speed of 2 ℃/min, the temperature is kept for 5min, the temperature is heated to 120 ℃ at the speed of 2 ℃/min, the temperature is kept for 6min, the temperature is heated to 135 ℃ at the speed of 2 ℃/min, the temperature is kept for 40min, the temperature is reduced to 120 ℃ at the speed of 1 ℃/min, the temperature is kept for 6min, the temperature is reduced to 90 ℃ at the speed of 2 ℃/min, the temperature is kept for 20min, and the temperature is reduced to 30 ℃ at the speed of 2 ℃/min.
(4) The fabric characteristics were tested by a fabric style machine and the results are shown in table 1.
TABLE 1
The fabric style test was rated 5, generally rated 3 or more, and was acceptable, as seen from table 1 above, the feel was not good.
Example 2:
(1) 40 parts by weight of radiation type two-component composite fiber 75/24DTY and 60 parts by weight of common terylene 75/144DTY are used as raw materials of face yarns, the middle yarns are 75/72FDY terylene fibers, the bottom yarns are common terylene 75/72DTY, and the warp-knitted fabric fiber raw materials are counted in percentage by mass, wherein the face yarn content is 40%, the middle yarn content is 20%, and the bottom yarn content is 40%; the designed material is manufactured through the processes of weaving, sizing, dyeing and finishing and sewing;
the setting temperature of the setting process is 210 ℃, and the setting speed is 28 m/min.
(2) The dyeing and finishing process comprises the following process steps: feeding into a dye vat (dyeing temperature is 135 ℃), drying (temperature is 150 ℃), washing with water, drying (temperature is 150 ℃), and treating a softening agent with tannic acid;
the dyeing process adopts the following dyes in parts by mass: 0.05 part by mass of cation yellow, 0.02 part by mass of disperse red, 0.01 part by mass of cation 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 25 ℃, the temperature is heated to 90 ℃ at the speed of 2 ℃/min, the temperature is kept for 5min, the temperature is heated to 120 ℃ at the speed of 2 ℃/min, the temperature is kept for 6min, the temperature is heated to 135 ℃ at the speed of 2 ℃/min, the temperature is kept for 40min, the temperature is reduced to 120 ℃ at the speed of 1 ℃/min, the temperature is kept for 6min, the temperature is reduced to 90 ℃ at the speed of 2 ℃/min, the temperature is kept for 20min, and the temperature is reduced to 30 ℃ at the speed of 2 ℃/min.
(3) The fabric characteristics were tested by a fabric style machine and the results are shown in table 2.
TABLE 2
| Degree of slip/grade | Softness/grade | Bulk/grade |
| 3 | 3 | 4 |
The fabric style test is classified into 5 grades, generally more than 3 grades is qualified, and the touch feeling just meets the requirement as shown in the table 2.
Example 3:
(1) 60 parts by weight of radiation type two-component composite fiber 75/24DTY and 40 parts by weight of common terylene 75/144DTY are used as raw materials of face yarns, 75/72FDY terylene fiber is used as middle yarns, common terylene 75/72DTY is used as raw materials of bottom yarns, and the warp-knitted fabric fiber raw materials are counted in percentage by mass, the content of the face yarns is 40%, the content of the middle yarns is 20%, and the content of the bottom yarns is 40%; the designed material is manufactured through the processes of weaving, sizing, dyeing and finishing and sewing;
the setting temperature of the setting process is 210 ℃, and the setting speed is 28 m/min.
(2) The dyeing and finishing process comprises the following process steps: feeding into a dye vat (dyeing temperature is 135 ℃), drying (temperature is 150 ℃), washing with water, drying (temperature is 150 ℃), and treating a softening agent with tannic acid;
the dyeing process adopts the following dyes in parts by mass: 0.05 part by mass of cation yellow, 0.02 part by mass of disperse red, 0.01 part by mass of cation 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 25 ℃, the temperature is heated to 90 ℃ at the speed of 2 ℃/min, the temperature is kept for 5min, the temperature is heated to 120 ℃ at the speed of 2 ℃/min, the temperature is kept for 6min, the temperature is heated to 135 ℃ at the speed of 2 ℃/min, the temperature is kept for 40min, the temperature is reduced to 120 ℃ at the speed of 1 ℃/min, the temperature is kept for 6min, the temperature is reduced to 90 ℃ at the speed of 2 ℃/min, the temperature is kept for 20min, and the temperature is reduced to 30 ℃ at the speed of 2 ℃/min.
The fabric characteristics were tested by a fabric style machine and the results are shown in table 3.
TABLE 3
| Degree of slip/grade | Softness/grade | Bulk/grade |
| 3-4 | 3-4 | 4 |
The fabric style test is divided into 5 grades, and the touch feeling meets the requirement along with the increase of the content of the composite fiber in the surface silk.
Example 4:
(1) 80 parts by weight of radiation type two-component composite fiber 75/24DTY and 20 parts by weight of common terylene 75/144DTY are used as raw materials of face yarns, 75/72FDY terylene fiber is used as middle yarns, common terylene 75/72DTY is used as raw materials of bottom yarns, and the warp-knitted fabric fiber raw materials are counted in percentage by mass, the content of the face yarns is 40%, the content of the middle yarns is 20%, and the content of the bottom yarns is 40%; the designed material is manufactured through the processes of weaving, sizing, dyeing and finishing and sewing;
the setting temperature of the setting process is 210 ℃, and the setting speed is 28 m/min.
(2) The dyeing and finishing process comprises the following process steps: feeding into a dye vat (dyeing temperature is 135 ℃), drying (temperature is 150 ℃), washing with water, drying (temperature is 150 ℃), and treating a softening agent with tannic acid;
the dyeing process adopts the following dyes in parts by mass: 0.05 part by mass of cation yellow, 0.02 part by mass of disperse red, 0.01 part by mass of cation 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 25 ℃, the temperature is heated to 90 ℃ at the speed of 2 ℃/min, the temperature is kept for 5min, the temperature is heated to 120 ℃ at the speed of 2 ℃/min, the temperature is kept for 6min, the temperature is heated to 135 ℃ at the speed of 2 ℃/min, the temperature is kept for 40min, the temperature is reduced to 120 ℃ at the speed of 1 ℃/min, the temperature is kept for 6min, the temperature is reduced to 90 ℃ at the speed of 2 ℃/min, the temperature is kept for 20min, and the temperature is reduced to 30 ℃ at the speed of 2 ℃/min.
The fabric characteristics were tested by a fabric style machine and the results are shown in table 4.
TABLE 4
| Degree of slip/grade | Softness/grade | Bulk/grade |
| 3-4 | 3-4 | 5 |
At the moment, the fabric pile surface is easy to fall down and has insufficient stiffness.
Example 5:
(1) the radiation type double-component composite fiber 75/24DTY 100 parts by weight is used as a face yarn raw material, the middle yarn is 75/72FDY polyester fiber, the bottom yarn is ordinary polyester 75/72DTY, the warp-knitted fabric fiber raw material accounts for hundreds of mass, the face yarn content is 40%, the middle yarn content is 20%, and the bottom yarn content is 40%, and the designed material is prepared through weaving, sizing, dyeing and finishing and sewing processes;
the setting temperature of the setting process is 210 ℃, and the setting speed is 28 m/min.
(2) The dyeing and finishing process comprises the following process steps: feeding into a dye vat (dyeing temperature is 135 ℃), drying (temperature is 150 ℃), washing with water, drying (temperature is 150 ℃), and treating the softening agent with tannic acid.
The dyeing process adopts the following dyes in parts by mass: 0.05 part by mass of cation yellow, 0.02 part by mass of disperse red, 0.01 part by mass of cation 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 25 ℃, the temperature is heated to 90 ℃ at the speed of 2 ℃/min, the temperature is kept for 5min, the temperature is heated to 120 ℃ at the speed of 2 ℃/min, the temperature is kept for 6min, the temperature is heated to 135 ℃ at the speed of 2 ℃/min, the temperature is kept for 40min, the temperature is reduced to 120 ℃ at the speed of 1 ℃/min, the temperature is kept for 6min, the temperature is reduced to 90 ℃ at the speed of 2 ℃/min, the temperature is kept for 20min, and the temperature is reduced to 30 ℃ at the speed of 2 ℃/min.
(3) The fabric characteristics were tested by a fabric style machine and the results are shown in table 5.
TABLE 5
| Degree of slip/grade | Softness/grade | Bulk/grade |
| 4 | 4 | 5 |
At the moment, the fabric pile surface is easy to fall down and has insufficient stiffness.
It can be seen that style tests are carried out by means of different contents of the radiation type fibers in the face yarns, and the face yarns have good softness and stiffness when the content of the face yarns is 60 parts, because the radiation type fibers are key factors influencing the softness of the fabric, while the stiffness of the fabric can be increased by the common polyester fibers, the best touch effect is achieved when the contents of the radiation type fibers and the fabric reach the optimal ratio, and when the content of the radiation type fibers in the fabric is not adopted, the prepared fabric is poor in comfort.
Example 6:
(1) 60 parts by weight of radiation type two-component composite fiber 75/24DTY and 40 parts by weight of common terylene 75/144DTY are used as surface yarn raw materials, the middle yarn is 75/72FDY terylene fiber, the bottom yarn is common terylene 75/72DTY, the warp-knitted fabric fiber raw materials account for hundreds of mass, the surface yarn content is 40%, the middle yarn content is 20%, and the bottom yarn content is 40%, and the designed material is prepared through weaving, sizing, dyeing and finishing and sewing processes;
the setting temperature of the setting process is 200 ℃, and the setting speed is 28 m/min.
(2) The dyeing and finishing process comprises the following process steps: feeding into a dye vat (dyeing temperature is 135 ℃), drying (temperature is 150 ℃), washing with water, drying (temperature is 150 ℃), and treating the softening agent with tannic acid.
The dyeing process adopts the following dyes in parts by mass: 0.05 part by mass of cation yellow, 0.02 part by mass of disperse red, 0.01 part by mass of cation 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 25 ℃, the temperature is heated to 90 ℃ at the speed of 2 ℃/min, the temperature is kept for 5min, the temperature is heated to 120 ℃ at the speed of 2 ℃/min, the temperature is kept for 6min, the temperature is heated to 135 ℃ at the speed of 2 ℃/min, the temperature is kept for 40min, the temperature is reduced to 120 ℃ at the speed of 1 ℃/min, the temperature is kept for 6min, the temperature is reduced to 90 ℃ at the speed of 2 ℃/min, the temperature is kept for 20min, and the temperature is reduced to 30 ℃ at the speed of 2 ℃/min.
(3) The fabric characteristics were tested by a fabric style machine and the results are shown in table 6.
TABLE 6
| Degree of slip/grade | Softness/grade | Bulk/grade |
| 3 | 3-4 | 4 |
As can be seen from table 6 above, lowering the temperature was detrimental to the fabric feel, resulting in an equivalent decrease in the style rating.
Example 7:
(1) 60 parts by weight of radiation type two-component composite fiber 75/24DTY and 40 parts by weight of common terylene 75/144DTY are used as surface yarn raw materials, the middle yarn is 75/72FDY terylene fiber, the bottom yarn is common terylene 75/72DTY, the warp-knitted fabric fiber raw materials account for hundreds of mass, the surface yarn content is 40%, the middle yarn content is 20%, and the bottom yarn content is 40%, and the designed material is prepared through weaving, sizing, dyeing and finishing and sewing processes;
the setting temperature of the setting process is 220 ℃, and the setting speed is 28 m/min.
(2) The dyeing and finishing process comprises the following process steps: feeding into a dye vat (dyeing temperature is 135 ℃), drying (temperature is 150 ℃), washing with water, drying (temperature is 150 ℃), and treating the softening agent with tannic acid. The dyeing process adopts the following dyes in parts by mass: 0.05 part by mass of cation yellow, 0.02 part by mass of disperse red, 0.01 part by mass of cation 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 25 ℃, the temperature is heated to 90 ℃ at the speed of 2 ℃/min, the temperature is kept for 5min, the temperature is heated to 120 ℃ at the speed of 2 ℃/min, the temperature is kept for 6min, the temperature is heated to 135 ℃ at the speed of 2 ℃/min, the temperature is kept for 40min, the temperature is reduced to 120 ℃ at the speed of 1 ℃/min, the temperature is kept for 6min, the temperature is reduced to 90 ℃ at the speed of 2 ℃/min, the temperature is kept for 20min, and the temperature is reduced to 30 ℃ at the speed of 2 ℃/min.
The fabric properties were measured by a fabric style machine and the results are shown in table 7.
TABLE 7
| Degree of slip/grade | Softness/grade | Bulk/grade |
| 4-5 | 4-5 | 5 |
At the moment, the fabric is good in softness, and the stiffness meets the requirement.
Example 8:
(1) 60 parts by weight of radiation type two-component composite fiber 75/24DTY and 40 parts by weight of common terylene 75/144DTY are used as surface yarn raw materials, the middle yarn is 75/72FDY terylene fiber, the bottom yarn is common terylene 75/72DTY, the warp-knitted fabric fiber raw materials account for hundreds of mass, the surface yarn content is 40%, the middle yarn content is 20%, and the bottom yarn content is 40%, and the designed material is prepared through weaving, sizing, dyeing and finishing and sewing processes;
the setting temperature of the setting process is 230 ℃, and the setting speed is 28 m/min.
(2) The dyeing and finishing process comprises the following process steps: feeding into a dye vat (dyeing temperature is 135 ℃), drying (temperature is 150 ℃), washing with water, drying (temperature is 150 ℃), and treating a softening agent with tannic acid;
the dyeing process adopts the following dyes in parts by mass: 0.05 part by mass of cation yellow, 0.02 part by mass of disperse red, 0.01 part by mass of cation 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 25 ℃, the temperature is heated to 90 ℃ at the speed of 2 ℃/min, the temperature is kept for 5min, the temperature is heated to 120 ℃ at the speed of 2 ℃/min, the temperature is kept for 6min, the temperature is heated to 135 ℃ at the speed of 2 ℃/min, the temperature is kept for 40min, the temperature is reduced to 120 ℃ at the speed of 1 ℃/min, the temperature is kept for 6min, the temperature is reduced to 90 ℃ at the speed of 2 ℃/min, the temperature is kept for 20min, and the temperature is reduced to 30 ℃ at the speed of 2 ℃/min.
The fabric characteristics were measured by a fabric style tester and the results are shown in table 8.
TABLE 8
| Degree of slip/grade | Softness/grade | Bulk/grade |
| 4-5 | 4 | 5 |
At the moment, the fabric pile surface is easy to fall down and has insufficient stiffness.
Example 9:
60 parts by weight of radiation type two-component composite fiber 75/24DTY and 40 parts by weight of common terylene 75/144DTY are used as surface yarn raw materials, the middle yarn is 75/72FDY terylene fiber, the bottom yarn is common terylene 75/72DTY, the warp-knitted fabric fiber raw materials are counted by weight percentage, the surface yarn content is 40%, the middle yarn content is 20%, and the bottom yarn content is 40%, and the designed material is prepared through weaving, sizing, dyeing and finishing and sewing processes.
The setting temperature of the setting process is 240 ℃, 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 135 ℃), drying (temperature is 150 ℃), washing with water, drying (temperature is 150 ℃), and treating the softening agent with tannic acid.
The dyeing process adopts the following dyes in parts by mass: 0.05 part by mass of cation yellow, 0.02 part by mass of disperse red, 0.01 part by mass of cation 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 25 ℃, the temperature is heated to 90 ℃ at the speed of 2 ℃/min, the temperature is kept for 5min, the temperature is heated to 120 ℃ at the speed of 2 ℃/min, the temperature is kept for 6min, the temperature is heated to 135 ℃ at the speed of 2 ℃/min, the temperature is kept for 40min, the temperature is reduced to 120 ℃ at the speed of 1 ℃/min, the temperature is kept for 6min, the temperature is reduced to 90 ℃ at the speed of 2 ℃/min, the temperature is kept for 20min, and the temperature is reduced to 30 ℃ at the speed of 2 ℃/min.
The fabric properties were measured by a fabric style machine and the results are shown in table 9.
TABLE 9
| Degree of slip/grade | Softness/grade | Bulk/grade |
| 4-5 | 3-4 | 5 |
The fabric was somewhat stiffer to the touch at this time.
Another important factor influencing the opening effect of the radiation type fiber is the heat setting temperature, the radiation type fiber absorbs water after being dyed and swells, and then the fiber is released through high-temperature setting shrinkage to form an ultrafine fiber structure, when the temperature reaches 220 ℃, the fabric feels best, and when the temperature continues to rise, the fiber becomes hard due to overhigh setting temperature, so that the overall style of the fabric becomes hard, and the comfort of the fabric is influenced.
Therefore, the invention preferably obtains the best process as follows: the content of the surface yarn radiation type composite fiber is 60 percent, the content of the common terylene is 40 percent, and the heat setting temperature is 220 ℃.
Example 10:
under the conditions of example 3, the fabric was prepared without using the hydrophilic modified nylon fiber, and the results are shown in table 10.
Watch 10
| Hydrophilic modified polyamide fiber | Hydrophilic modified polyamide fiber is not adopted | |
| Fabric yield (%) | 99 | 97 |
The modified chinlon is adopted in the skin layer, so that the modified chinlon has higher hydrophilicity, the electrostatic influence in the weaving process can be prevented, the performance of the fabric is improved, and the heat retention property and the flexibility of the fabric can be improved by the polyester component in the core layer.
According to the invention, the hydrophilic modified nylon fiber is adopted, so that the fabric tightness can be improved, meanwhile, the macromolecular chain in the hydrophilic modified nylon fiber adopts a polyhydroxy structure, so that the hydrophilic property is greatly improved, and the antistatic synergistic effect can be achieved, the water absorption rate is higher than that of the common nylon by 2 percent and is close to that of pure cotton, and the water absorption rate is 4-8 percent
The radiation type composite fiber is adopted, the fiber adopts a bi-component structure, the modified chinlon is adopted in the skin layer, the hydrophilicity is higher, the electrostatic influence in the weaving process can be prevented, the performance of the fabric is improved, and the heat retention property and the flexibility of the fabric can be improved by the polyester component in the core layer.
At present, superfine fibers such as sea island filaments and the like and thinner fibers are adopted, but the mechanical properties of the fibers are relatively poor, the weaving performance is influenced, and meanwhile, static electricity is easy to generate due to friction during weaving of polyester, so that the weaving and cloth cover effects are influenced.
The invention provides a method for preparing warp knitting super soft velvet fabric by adopting radial superfine fiber 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 the emitting type composite fiber in the surface fiber is 20-100%; wherein the shaping comprises water absorption treatment, and the temperature is 200-240 ℃. Aiming at the defects that the existing superfine fiber is difficult to weave, and the friction charge accumulation is caused by the increase of the specific surface area in the weaving process, so that the cloth cover effect is influenced, the radiation type polyester-polyamide composite fiber subjected to hydrophilic modification is creatively adopted as a face yarn raw material, and is matched through the subsequent dyeing and finishing and heat setting processes, so that a fabric product with an excellent touch style is obtained.
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 method for preparing warp knitting super soft velvet fabric by adopting radial type superfine fiber 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;
the radiation-type superfine fibers are applied to the surface yarns in the used fiber raw materials, the weight ratio of the radiation-type superfine fibers is 20-100%, the middle yarns are made of 50-150D FDY polyester fibers, and the bottom yarns are made of 50-150D DTY polyester fibers;
wherein, the warp-knitted fabric fiber raw material comprises 40% of face silk, 20% of middle silk and 40% of bottom silk by mass percentage;
wherein, the temperature of the sizing is 200-240 ℃.
2. The method for preparing the warp-knitted super-soft velvet fabric by using the radial superfine fibers according to claim 1, wherein the method comprises the following steps: the radioactive functional fiber is used for noodle threads, and the proportion of the radioactive functional fiber in the noodle threads is 40-100%.
3. The method for preparing a warp-knitted ultra-soft velvet type fabric by using the radial ultra-fine fibers according to claim 2, wherein: the radiation-type superfine fiber is a terylene/chinlon composite fiber with the specification of 50-150D FDY.
4. The method of preparing a warp-knitted ultra-soft velvet type fabric using radial ultra-fine fibers according to claim 1, wherein: the radiation type superfine fiber is prepared from polyester and chinlon composite fibers, wherein a core layer adopts a polyester component, and a skin layer adopts a chinlon component, the preparation method adopts a composite spinning process, feeding is respectively carried out through two feeding channels and two screws, the mass fraction of the skin layer is 40-80%, and hydrophilic modified chinlon is adopted as a raw material; the mass fraction of the core layer is 20-60%, and polyester PET is used as a raw material; the spinning temperature is 270-285 ℃, the spinning speed is 800-3000 m/min, and the spinning pressure is 12-18 Kg.
5. The method of preparing a warp-knitted ultra-soft velvet type fabric using radial ultra-fine fibers according to claim 1, wherein: the hydrophilic modified chinlon is prepared by adopting an in-situ polymerization mode, wherein the in-situ polymerization process is to prepare the hydrophilic modified chinlon by adopting a polymerization kettle, the reaction temperature is 270-280 ℃, the raw material is caprolactam, the catalyst is nano titanium dioxide, the addition amount of the nano titanium dioxide is 10-200ppm, the ring-opening agent is water and acetic acid, the addition amount of the water is 1-3%, the addition amount of the acetic acid is 0.3-1%, polyethylene glycol is added as hydrophilic modified chain forging, the addition amount of the polyethylene glycol is 1-10%, and the polymerization time is 4-8 h.
6. The method of preparing a warp-knitted ultra-soft velvet type fabric using radial ultra-fine fibers according to claim 1, wherein: the finishing dyeing comprises dyeing, drying and washing; wherein the dyeing temperature is 100-130 ℃; and drying at 140-180 ℃.
7. The method for preparing the warp-knitted super-soft velvet fabric by using the radial superfine fibers according to claim 5, wherein the method 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 80-90 ℃ at a rate of 1-3 ℃/min and preserving the temperature for 5-8 min, raising the temperature to 100-120 ℃ at a rate of 2-3 ℃/min and preserving the temperature for 5-8 min, heating to 120-130 ℃ at a rate of 2-3 ℃/min and preserving the temperature for 30-50 min.
8. The method for preparing the warp-knitted super-soft velvet fabric by using the radial superfine fibers according to claim 6, wherein the method comprises the following steps: the cooling stage comprises cooling to 100-120 ℃ 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 warp-knitted super-soft velvet fabric by using the radial type superfine fibers according to any one of claims 1 to 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 method for preparing the warp-knitted super-soft velvet fabric by adopting the radial superfine fibers is characterized in that: comprises the steps of (a) preparing a mixture of a plurality of raw materials,
the radiation type fiber swells in the dyeing process, and then is cracked under the influence of sanding and temperature in the high-temperature after-finishing process to form a unique superfine fiber structure, wherein the high-temperature after-finishing temperature is 180-230 ℃, and the speed is 15-30 m/s.
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