CN112481719A - Special-shaped cross section and special forming process for melt spinning fiber - Google Patents
Special-shaped cross section and special forming process for melt spinning fiber Download PDFInfo
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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
- D01D5/253—Formation of filaments, threads, or the like with a non-circular cross section; Spinnerette packs therefor
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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
- D01D10/00—Physical treatment of artificial filaments or the like during manufacture, i.e. during a continuous production process before the filaments have been collected
- D01D10/02—Heat treatment
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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
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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
- D01F1/07—Addition of substances to the spinning solution or to the melt for making fire- or flame-proof filaments
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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
- D01F1/09—Addition of substances to the spinning solution or to the melt for making electroconductive or anti-static filaments
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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
- D01F1/103—Agents inhibiting growth of microorganisms
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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
- D01F1/106—Radiation shielding agents, e.g. absorbing, reflecting agents
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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
- D01F8/06—Conjugated, i.e. bi- or multicomponent, artificial filaments or the like; Manufacture thereof from synthetic polymers with at least one polyolefin 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
- D01F8/08—Conjugated, i.e. bi- or multicomponent, artificial filaments or the like; Manufacture thereof from synthetic polymers with at least one polyacrylonitrile 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
- D01F8/10—Conjugated, i.e. bi- or multicomponent, artificial filaments or the like; Manufacture thereof from synthetic polymers with at least one other macromolecular compound obtained by reactions only involving carbon-to-carbon unsaturated bonds 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
- D01F8/12—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
Abstract
The invention discloses a melt spinning fiber special-shaped section and special forming processing technology, which comprises the following steps: drying the carrier slice, respectively preparing a main core master batch, a first surrounding master batch, a second surrounding master batch, a third surrounding master batch and a fourth surrounding master batch, arranging a cross hole and an equilateral triangle waist hole at the center of a spinneret orifice of a spinneret plate, melting the master batches, enabling the main core master batches to enter the cross hole, extruding the first surrounding master batches, the second surrounding master batches, the third surrounding master batches and the fourth surrounding master batches through a metering pump, and then respectively entering the corresponding equilateral triangle waist holes; the cross section of the special-shaped cross section melt spinning fiber processed by the processing technology consists of a cross section and a triangular cross section, and the special-shaped cross section melt spinning fiber has the structural performance of the cross section fiber, the glossiness of the triangular cross section fiber, good comprehensive mechanical property, large specific surface area and good thermal dimension stability at high temperature.
Description
Technical Field
The invention relates to the technical field of fiber preparation, in particular to a melt spinning fiber special-shaped section and special forming processing technology.
Background
With the continuous development of the technical level of the chemical fiber industry and the continuous improvement of the quality of life of people, people pay more and more attention to the pursuit of color, hand feeling, style, function and comfort of garment materials, in order to adapt to the requirements of people, various new synthetic fibers manufactured by adopting new technology are continuously made out, and various functional fibers are developed endlessly. The special-shaped cross-section fiber is a novel synthetic fiber, has special luster and fluffiness, can also improve rebound resilience and pilling resistance, and is popular with more and more people.
The different section shapes can endow the fiber with different styles and performances, and have great influence on the performance of the fiber, such as the triangular section of silk, so that the fiber has special luster; the waist-round shape and the hollow cross-section shape of the cotton fiber ensure that the cotton fiber has the characteristics of heat preservation, softness, moisture absorption and the like; the wool fiber is in the shape of an oval, an oblate or even a waist section, so that the wool fiber has the characteristics of good elasticity, good heat retention, full hand feeling, difficult contamination and the like. However, the existing fibers with irregular sections still have single sections and cannot present a structure with a plurality of irregular sections. Therefore, the invention provides the melt spinning fiber special-shaped section and the special forming processing technology to solve the defects in the prior art.
Disclosure of Invention
In view of the above problems, an object of the present invention is to provide a shaped cross section of a melt-spun fiber and a special forming process, wherein the cross section of the melt-spun fiber with a shaped cross section processed by the process comprises a cross-shaped cross section and a triangular cross section, and the melt-spun fiber with a shaped cross section has the structural properties of a cross-shaped cross section fiber, the glossiness of a triangular cross section fiber, good comprehensive mechanical properties, a large specific surface area, good thermal dimensional stability at high temperature, and a greatly increased application range.
In order to achieve the purpose of the invention, the invention is realized by the following technical scheme:
the melt spinning fiber profile section and special forming process includes the following steps:
the method comprises the following steps: drying a main core carrier slice, a first surrounding carrier slice, a second surrounding carrier slice, a third carrier slice and a fourth surrounding carrier slice, wherein the main core carrier slice is any one of PET, PA6 and PA66, and the first surrounding carrier slice, the second surrounding carrier slice, the third carrier slice and the fourth surrounding carrier slice are any one of PP, PE, PAN, PVC, PTT, PBT and EDDP;
step two: carrying out melt blending and extrusion on the main core carrier slice, the flame retardant powder and the static supplement powder, and finally cooling and dicing to prepare main core master batches;
step three: carrying out melt blending and extrusion on the first surrounding carrier slice and the antibacterial powder, and finally cooling and dicing to prepare a first surrounding master batch;
step four: carrying out melt blending and extrusion on the second surrounding carrier slice and the uvioresistant powder, and finally cooling and dicing to prepare second surrounding master batches;
step five: carrying out melt blending and extrusion on the third surrounding carrier slice and the flame-retardant powder, and finally cooling and dicing to prepare a third surrounding master batch;
step six: carrying out melt blending and extrusion on the fourth winding carrier slice and the static-resisting supplementary powder, and finally carrying out cooling and dicing to prepare a fourth winding master batch;
step seven: arranging a cross hole in the center of a spinneret orifice of a spinneret plate, arranging an equilateral triangle waist hole at each vertex position of the cross hole, and then carrying out fusion treatment on the main core master batch, the first surrounding master batch, the second surrounding master batch, the third surrounding master batch and the fourth surrounding master batch;
step eight: extruding the main core master batch after the melting treatment by a metering pump, then feeding the extruded main core master batch into a cross hole of a spinneret plate, extruding the first surrounding master batch, the second surrounding master batch, the third surrounding master batch and the fourth surrounding master batch after the melting treatment by the metering pump, then respectively feeding the extruded main core master batch, the second surrounding master batch, the third surrounding master batch and the fourth surrounding master batch into an equilateral triangle waist hole of the spinneret plate, then synchronously spraying and forming, and finally stretching and winding to obtain the melt spinning fiber with the special-.
The further improvement lies in that: in the first step, the main core carrier slice is preferably PA6, and the first surrounding carrier slice, the second surrounding carrier slice, the third carrier slice and the fourth surrounding carrier slice are preferably PE.
The further improvement lies in that: and in the first step, when the main core carrier slice, the first surrounding carrier slice, the second surrounding carrier slice, the third carrier slice and the fourth surrounding carrier slice are dried, the drying temperature is controlled to be 60-70 ℃, and the water content of the dried main core carrier slice, the dried first surrounding carrier slice, the dried second surrounding carrier slice, the dried third carrier slice and the dried fourth surrounding carrier slice is controlled to be less than 35 ppm.
The further improvement lies in that: the preparation process of the flame retardant powder in the step two and the step five comprises the following steps: and modifying the polyester powder by using a flame retardant, and mixing the modified polyester powder with the etherimide powder to obtain the flame-retardant powder.
The further improvement lies in that: the preparation process of the static electricity supplementing powder in the step two and the step six comprises the following steps: mixing the perovskite composite oxide powder with absolute ethyl alcohol and a dispersing agent, stirring by using a high-speed shearing machine after mixing to obtain static supplementary emulsion, mixing the static supplementary emulsion with PP powder, and drying to obtain the static supplementary powder.
The further improvement lies in that: the preparation process of the antibacterial powder in the third step comprises the following steps: the chitin fiber, the graphene fiber and the zinc oxide fiber are soaked in the coupling agent dispersion liquid to generate an antibacterial material, and then the antibacterial material is dried and ground to obtain antibacterial powder with uniform particle size.
The further improvement lies in that: the preparation process of the uvioresistant powder in the fourth step comprises the following steps: rutile titanium dioxide is mixed with an organic ultraviolet absorber in a ratio of 1: mixing the raw materials in an ethanol solution according to a ratio of 10-30, adding a silane coupling agent, adding water to fully perform hydrolysis reaction to generate a composite anti-ultraviolet material, and drying and grinding the composite anti-ultraviolet material to obtain anti-ultraviolet powder with uniform particle size.
The further improvement lies in that: and in the seventh step, the melting processing temperature of the main core master batch is 240-270 ℃, and the melting processing temperature of the first surrounding master batch, the second surrounding master batch, the third surrounding master batch and the fourth surrounding master batch is 220-250 ℃.
The further improvement lies in that: and eighthly, the ejection forming temperature is 220 ℃, the winding speed is 500m/min, fiber cyclization treatment is needed after the special-shaped section melt spinning fiber is obtained, and the temperature is 250 ℃.
The invention has the beneficial effects that: the cross section of the melt spinning fiber with the special-shaped cross section processed by the process is composed of a cross-shaped cross section and a triangular cross section, the melt spinning fiber with the special-shaped cross section has the structural performance of a cross-shaped cross section fiber and the glossiness of a triangular cross section fiber, the melt spinning fiber with the shaped cross section processed by the process has high antibacterial property, high ultraviolet resistance and high flame retardance, after the melt spinning fiber with the special-shaped cross section is made into a fabric, the comprehensive performance of the fabric can be improved, the melt spinning fiber with the special-shaped cross section processed by the process is good in comprehensive mechanical performance and large in specific surface area, has good thermal dimension stability at high temperature, and can greatly increase the application range.
Drawings
FIG. 1 is a schematic view of a processing flow of the present invention;
FIG. 2 is a schematic sectional view of a melt-spun fiber having a modified cross section according to the present invention.
Detailed Description
In order to further understand the present invention, the following detailed description will be made with reference to the following examples, which are only used for explaining the present invention and are not to be construed as limiting the scope of the present invention.
According to the drawings of fig. 1 and 2, the present example proposes a melt-spun fiber profile section and special forming process, comprising the following steps:
the method comprises the following steps: drying the main core carrier slice, the first surrounding carrier slice, the second surrounding carrier slice, the third carrier slice and the fourth surrounding carrier slice, controlling the drying temperature to be 65 ℃, and controlling the water content of the dried main core carrier slice, the dried first surrounding carrier slice, the dried second surrounding carrier slice, the dried third carrier slice and the dried fourth surrounding carrier slice to be less than 35ppm, wherein the main core carrier is preferably PA6, and the first surrounding carrier slice, the dried second surrounding carrier slice, the dried third carrier slice and the dried fourth surrounding carrier slice are preferably PE;
step two: carrying out melt blending and extrusion on the main core carrier slice, the flame retardant powder and the static supplementary powder, and finally cooling and dicing to prepare the main core master batch, wherein the preparation process of the flame retardant powder is as follows: modifying polyester powder by using a flame retardant, and mixing the modified polyester powder with etherimide powder to obtain flame retardant powder, wherein the preparation process of the electrostatic supplement powder comprises the following steps: mixing the perovskite composite oxide powder with absolute ethyl alcohol and a dispersing agent, stirring by using a high-speed shearing machine after mixing to obtain static supplementary emulsion, mixing the static supplementary emulsion with PP powder, and drying to obtain static supplementary powder;
step three: carrying out melt blending and extrusion on the first surrounding carrier slice and the antibacterial powder, and finally cooling and dicing to prepare a first surrounding master batch, wherein the preparation process of the antibacterial powder is as follows: soaking chitin fibers, graphene fibers and zinc oxide fibers in a coupling agent dispersion liquid to generate an antibacterial material, and drying and grinding the antibacterial material to obtain antibacterial powder with uniform particle size;
step four: and carrying out melt blending and extrusion on the second surrounding carrier slice and the uvioresistant powder, and finally cooling and pelletizing to prepare a second surrounding master batch, wherein the preparation process of the uvioresistant powder is as follows: rutile titanium dioxide is mixed with an organic ultraviolet absorber in a ratio of 1: 20 in proportion, adding a silane coupling agent, adding water to fully perform hydrolysis reaction to generate a composite anti-ultraviolet material, and drying and grinding the composite anti-ultraviolet material to obtain anti-ultraviolet powder with uniform particle size;
step five: carrying out melt blending and extrusion on the third surrounding carrier slice and the flame-retardant powder, and finally cooling and dicing to prepare a third surrounding master batch;
step six: carrying out melt blending and extrusion on the fourth winding carrier slice and the static-resisting supplementary powder, and finally carrying out cooling and dicing to prepare a fourth winding master batch;
step seven: arranging a cross hole in the center of a spinneret orifice of a spinneret plate, arranging an equilateral triangle waist hole at each vertex position of the cross hole, and then carrying out fusion treatment on the main core master batch, the first surrounding master batch, the second surrounding master batch, the third surrounding master batch and the fourth surrounding master batch, wherein the fusion treatment temperature of the core master batch is 260 ℃, and the fusion treatment temperature of the first surrounding master batch, the second surrounding master batch, the third surrounding master batch and the fourth surrounding master batch is 230 ℃;
step eight: extruding the main core master batch after the melting treatment by a metering pump, then feeding the extruded main core master batch into a cross hole of a spinneret plate, extruding the first surrounding master batch, the second surrounding master batch, the third surrounding master batch and the fourth surrounding master batch after the melting treatment by the metering pump, respectively feeding the extruded main core master batch, the second surrounding master batch, the third surrounding master batch and the fourth surrounding master batch into an equilateral triangle waist hole of the spinneret plate, synchronously spraying and forming, finally stretching and winding to obtain the melt-spun fiber with the special-shaped cross section, wherein the spraying and forming temperature is 220 ℃, the winding speed is 500m/min, and the fiber cyclization treatment is needed after the melt-.
The cross section of the melt spinning fiber with the special-shaped cross section processed by the process is composed of a cross-shaped cross section and a triangular cross section, the melt spinning fiber with the special-shaped cross section has the structural performance of a cross-shaped cross section fiber and the glossiness of a triangular cross section fiber, the melt spinning fiber with the shaped cross section processed by the process has high antibacterial property, high ultraviolet resistance and high flame retardance, after the melt spinning fiber with the special-shaped cross section is made into a fabric, the comprehensive performance of the fabric can be improved, the melt spinning fiber with the special-shaped cross section processed by the process is good in comprehensive mechanical performance and large in specific surface area, has good thermal dimension stability at high temperature, and can greatly increase the application range.
The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (9)
1. The melt spinning fiber special-shaped section and special forming processing technology is characterized by comprising the following steps of:
the method comprises the following steps: drying a main core carrier slice, a first surrounding carrier slice, a second surrounding carrier slice, a third carrier slice and a fourth surrounding carrier slice, wherein the main core carrier slice is any one of PET, PA6 and PA66, and the first surrounding carrier slice, the second surrounding carrier slice, the third carrier slice and the fourth surrounding carrier slice are any one of PP, PE, PAN, PVC, PTT, PBT and EDDP;
step two: carrying out melt blending and extrusion on the main core carrier slice, the flame retardant powder and the static supplement powder, and finally cooling and dicing to prepare main core master batches;
step three: carrying out melt blending and extrusion on the first surrounding carrier slice and the antibacterial powder, and finally cooling and dicing to prepare a first surrounding master batch;
step four: carrying out melt blending and extrusion on the second surrounding carrier slice and the uvioresistant powder, and finally cooling and dicing to prepare second surrounding master batches;
step five: carrying out melt blending and extrusion on the third surrounding carrier slice and the flame-retardant powder, and finally cooling and dicing to prepare a third surrounding master batch;
step six: carrying out melt blending and extrusion on the fourth winding carrier slice and the static-resisting supplementary powder, and finally carrying out cooling and dicing to prepare a fourth winding master batch;
step seven: arranging a cross hole in the center of a spinneret orifice of a spinneret plate, arranging an equilateral triangle waist hole at each vertex position of the cross hole, and then carrying out fusion treatment on the main core master batch, the first surrounding master batch, the second surrounding master batch, the third surrounding master batch and the fourth surrounding master batch;
step eight: extruding the main core master batch after the melting treatment by a metering pump, then feeding the extruded main core master batch into a cross hole of a spinneret plate, extruding the first surrounding master batch, the second surrounding master batch, the third surrounding master batch and the fourth surrounding master batch after the melting treatment by the metering pump, then respectively feeding the extruded main core master batch, the second surrounding master batch, the third surrounding master batch and the fourth surrounding master batch into an equilateral triangle waist hole of the spinneret plate, then synchronously spraying and forming, and finally stretching and winding to obtain the melt spinning fiber with the special-.
2. The melt spun fiber profiled cross section and special shaping process of claim 1, wherein: in the first step, the main core carrier slice is preferably PA6, and the first surrounding carrier slice, the second surrounding carrier slice, the third carrier slice and the fourth surrounding carrier slice are preferably PE.
3. The melt spun fiber profiled cross section and special shaping process of claim 1, wherein: and in the first step, when the main core carrier slice, the first surrounding carrier slice, the second surrounding carrier slice, the third carrier slice and the fourth surrounding carrier slice are dried, the drying temperature is controlled to be 60-70 ℃, and the water content of the dried main core carrier slice, the dried first surrounding carrier slice, the dried second surrounding carrier slice, the dried third carrier slice and the dried fourth surrounding carrier slice is controlled to be less than 35 ppm.
4. The melt spun fiber profiled cross section and special shaping process of claim 1, wherein: the preparation process of the flame retardant powder in the step two and the step five comprises the following steps: and modifying the polyester powder by using a flame retardant, and mixing the modified polyester powder with the etherimide powder to obtain the flame-retardant powder.
5. The melt spun fiber profiled cross section and special shaping process of claim 1, wherein: the preparation process of the static electricity supplementing powder in the step two and the step six comprises the following steps: mixing the perovskite composite oxide powder with absolute ethyl alcohol and a dispersing agent, stirring by using a high-speed shearing machine after mixing to obtain static supplementary emulsion, mixing the static supplementary emulsion with PP powder, and drying to obtain the static supplementary powder.
6. The melt spun fiber profiled cross section and special shaping process of claim 1, wherein: the preparation process of the antibacterial powder in the third step comprises the following steps: the chitin fiber, the graphene fiber and the zinc oxide fiber are soaked in the coupling agent dispersion liquid to generate an antibacterial material, and then the antibacterial material is dried and ground to obtain antibacterial powder with uniform particle size.
7. The melt spun fiber profiled cross section and special shaping process of claim 1, wherein: the preparation process of the uvioresistant powder in the fourth step comprises the following steps: rutile titanium dioxide is mixed with an organic ultraviolet absorber in a ratio of 1: mixing the raw materials in an ethanol solution according to a ratio of 10-30, adding a silane coupling agent, adding water to fully perform hydrolysis reaction to generate a composite anti-ultraviolet material, and drying and grinding the composite anti-ultraviolet material to obtain anti-ultraviolet powder with uniform particle size.
8. The melt spun fiber profiled cross section and special shaping process of claim 1, wherein: and in the seventh step, the melting processing temperature of the main core master batch is 240-270 ℃, and the melting processing temperature of the first surrounding master batch, the second surrounding master batch, the third surrounding master batch and the fourth surrounding master batch is 220-250 ℃.
9. The melt spun fiber profiled cross section and special shaping process of claim 1, wherein: and eighthly, the ejection forming temperature is 220 ℃, the winding speed is 500m/min, fiber cyclization treatment is needed after the special-shaped section melt spinning fiber is obtained, and the temperature is 250 ℃.
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA2445988A1 (en) * | 2001-05-10 | 2002-11-14 | The Procter & Gamble Company | Multicomponent fibers comprising starch and biodegradable polymers |
| CN101429685A (en) * | 2008-12-08 | 2009-05-13 | 广东新会美达锦纶股份有限公司 | Strange-shaped fibre processing technique and spinning jet used in the technique |
| CN102691119A (en) * | 2012-05-03 | 2012-09-26 | 浙江恒逸高新材料有限公司 | Preparation method of three-component composite fiber with special-shaped cross section |
| CN105239194A (en) * | 2015-11-20 | 2016-01-13 | 王庆 | Method of preparing flame-retarding anti-microbial polylactic acid fibers, spinning fibers into yarn and making fabric |
| CN106087098A (en) * | 2016-06-12 | 2016-11-09 | 福建百宏聚纤科技实业有限公司 | A kind of three-dimensional superbright light DTY fiber and processing method thereof |
| CN209508470U (en) * | 2018-11-29 | 2019-10-18 | 吴江精美峰实业有限公司 | A kind of elastic composite fiber and the spinneret for producing the fiber |
| CN211848221U (en) * | 2019-12-20 | 2020-11-03 | 宿迁广和新材料有限公司 | Special-shaped spinneret plate for wet spinning |
-
2020
- 2020-11-12 CN CN202011260124.5A patent/CN112481719A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA2445988A1 (en) * | 2001-05-10 | 2002-11-14 | The Procter & Gamble Company | Multicomponent fibers comprising starch and biodegradable polymers |
| CN101429685A (en) * | 2008-12-08 | 2009-05-13 | 广东新会美达锦纶股份有限公司 | Strange-shaped fibre processing technique and spinning jet used in the technique |
| CN102691119A (en) * | 2012-05-03 | 2012-09-26 | 浙江恒逸高新材料有限公司 | Preparation method of three-component composite fiber with special-shaped cross section |
| CN105239194A (en) * | 2015-11-20 | 2016-01-13 | 王庆 | Method of preparing flame-retarding anti-microbial polylactic acid fibers, spinning fibers into yarn and making fabric |
| CN106087098A (en) * | 2016-06-12 | 2016-11-09 | 福建百宏聚纤科技实业有限公司 | A kind of three-dimensional superbright light DTY fiber and processing method thereof |
| CN209508470U (en) * | 2018-11-29 | 2019-10-18 | 吴江精美峰实业有限公司 | A kind of elastic composite fiber and the spinneret for producing the fiber |
| CN211848221U (en) * | 2019-12-20 | 2020-11-03 | 宿迁广和新材料有限公司 | Special-shaped spinneret plate for wet spinning |
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