CN114164515A - Super-black cotton-like yarn and processing method thereof - Google Patents
Super-black cotton-like yarn and processing method thereof Download PDFInfo
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- CN114164515A CN114164515A CN202111221542.8A CN202111221542A CN114164515A CN 114164515 A CN114164515 A CN 114164515A CN 202111221542 A CN202111221542 A CN 202111221542A CN 114164515 A CN114164515 A CN 114164515A
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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
- D01F6/88—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from mixtures of polycondensation products as major constituent with other polymers or low-molecular-weight compounds
- D01F6/92—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from mixtures of polycondensation products as major constituent with other polymers or low-molecular-weight compounds of polyesters
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G63/00—Macromolecular compounds obtained by reactions forming a carboxylic ester link in the main chain of the macromolecule
- C08G63/02—Polyesters derived from hydroxycarboxylic acids or from polycarboxylic acids and polyhydroxy compounds
- C08G63/12—Polyesters derived from hydroxycarboxylic acids or from polycarboxylic acids and polyhydroxy compounds derived from polycarboxylic acids and polyhydroxy compounds
- C08G63/16—Dicarboxylic acids and dihydroxy compounds
- C08G63/18—Dicarboxylic acids and dihydroxy compounds the acids or hydroxy compounds containing carbocyclic rings
- C08G63/181—Acids containing aromatic rings
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G63/00—Macromolecular compounds obtained by reactions forming a carboxylic ester link in the main chain of the macromolecule
- C08G63/02—Polyesters derived from hydroxycarboxylic acids or from polycarboxylic acids and polyhydroxy compounds
- C08G63/12—Polyesters derived from hydroxycarboxylic acids or from polycarboxylic acids and polyhydroxy compounds derived from polycarboxylic acids and polyhydroxy compounds
- C08G63/16—Dicarboxylic acids and dihydroxy compounds
- C08G63/18—Dicarboxylic acids and dihydroxy compounds the acids or hydroxy compounds containing carbocyclic rings
- C08G63/181—Acids containing aromatic rings
- C08G63/183—Terephthalic acids
-
- 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
-
- 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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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- General Chemical & Material Sciences (AREA)
- Textile Engineering (AREA)
- Health & Medical Sciences (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Manufacturing & Machinery (AREA)
- Artificial Filaments (AREA)
Abstract
The invention discloses a processing method of super-black cotton-like silk, which comprises the following steps: performing esterification reaction on phthalic acid, ethylene glycol and isophthalic acid to obtain a mixture A; adding an antioxidant, a delustering agent, color master batches and an antibacterial agent into the mixture A to obtain modified polyester chips; the color master batch comprises the following raw materials in percentage by weight: 0.4 to 5.8 percent of carbon black and 94.2 to 99.6 percent of terylene slice; and drying the modified polyester chips by a rotary drum, and extruding by a double screw to perform melt spinning to obtain the ultra-black cotton-like yarn.
Description
Technical Field
The invention relates to the technical field of fiber preparation, in particular to ultra-black cotton-like silk and a processing method thereof.
Background
The super cotton-like goods are not only similar to cotton fabrics in the shapes of fiber surface layers and the design styles of fabrics, but also mainly resemble cotton and super cotton in the characteristics and functions of the fabrics, and have high-quality dynamic wet-hot comfort performance. The super-imitation cotton can well make up for the defects of cotton fibers, the characteristics of the terylene are utilized to make up for the defects of the fibers, and the manufactured fabric improves the durability. Most of the existing ultra-black cotton-like yarns achieve the black effect by printing black on polyester fibers in a printing and dyeing processing mode, but the color fastness is not good.
Disclosure of Invention
Aiming at the problems, the invention provides an ultra-black cotton-like yarn and a processing method thereof.
In order to solve the technical problems, the technical scheme adopted by the invention is as follows: a processing method of super-black cotton-like yarns comprises the following steps:
(1) performing esterification reaction on phthalic acid, ethylene glycol and isophthalic acid to obtain a mixture A;
(2) adding an antioxidant, a delustering agent, color master batches and an antibacterial agent into the mixture A to obtain modified polyester chips; the color master batch comprises the following raw materials in percentage by weight: 0.4 to 5.8 percent of carbon black and 94.2 to 99.6 percent of terylene slice;
(3) and drying the modified polyester chips by a rotary drum, and extruding by a double screw to perform melt spinning to obtain the ultra-black cotton-like yarn.
Preferably, in the step (1), the esterification reaction time is 2.5h to 3 h.
Preferably, in the step (2), adding an antioxidant, a delustering agent, a color master batch and an antibacterial agent, heating to 250-260 ℃, vacuumizing, heating to 265-275 ℃, continuously vacuumizing, and discharging when the melt viscosity is 0.75-0.78 dl/g to obtain the modified polyester chips.
Preferably, in the step (2), the color master batch is prepared by the following specific steps: firstly, weighing raw material carbon black and polyester chips required by color master batch production, then grinding the carbon black and the polyester chips into powder, and then putting the powder into a high-speed mixer and a double-screw extruder according to weight percentage to obtain the color master batch.
Preferably, in the step (3), the temperature of the screw is set to 240-260 ℃, the temperature of the spinning box body is controlled to 270-275 ℃, the cooling air speed of the side blowing is 0.3-0.8 m/s, the winding speed is 2500m/min, the speed of the elasticizer is 500-550 m/min, the stretching ratio is 1.7-1.75, the temperature of the first hot box is 170-180 ℃, and the temperature of the second hot box is 160-170 ℃.
Preferably, the usage amount of the isophthalic acid is 6 to 7 percent of the molar weight of the terephthalic acid; the flatting agent is titanium dioxide, and the using amount of the flatting agent is 7-8% of the molar weight of the terephthalic acid; the antibacterial agent is nano silver, and the using amount of the nano silver is 7-8% of the molar amount of the terephthalic acid; the antioxidant is one or more of tea polyphenol, phytic acid and flavonoids.
The invention also discloses the ultra-black cotton-like yarn prepared by the method.
From the above description of the structure of the present invention, compared with the prior art, the present invention has the following advantages:
1. because the isophthalic acid is added, the regularity of a macromolecular chain segment can be reduced by the isophthalic acid, so that the close arrangement of a molecular chain is reduced, and the color master batch is favorably colored, thereby improving the color blackness and improving the color fastness.
2. The anti-aging and antibacterial cotton-like silk can be improved by adding the delustering agent, the antioxidant and the antibacterial agent, so that the effects of resisting and inhibiting bacteria are achieved.
Detailed Description
The present invention will be described in detail with reference to examples.
Example 1
A processing method of super-black cotton-like yarns comprises the following steps:
(1) performing esterification reaction on phthalic acid, ethylene glycol and isophthalic acid for 2.5 hours to obtain a mixture A;
(2) adding an antioxidant, a delustering agent, color master batches and an antibacterial agent into the mixture A to obtain modified polyester chips; adding an antioxidant, a delustering agent, color master batches and an antibacterial agent, heating to 250 ℃, vacuumizing, heating to 265 ℃, continuously vacuumizing, and discharging when the melt viscosity is 0.75dl/g to obtain modified polyester chips; the color master batch comprises the following raw materials in percentage by weight: 0.4% of carbon black and 94.2% of polyester chips; the preparation process of the color master batch comprises the following steps: firstly, weighing raw material carbon black and polyester slices required by color master batch production, grinding the carbon black and the polyester slices into powder, and putting the powder into a high-speed mixer and a double-screw extruder according to weight percentage to obtain color master batch;
(3) drying the modified polyester chips by a rotary drum, and extruding by a double screw to perform melt spinning to obtain super-black cotton-like yarns; wherein the screw temperature is set at 240 ℃, the spinning box temperature is controlled at 270 ℃, the side blowing cooling air speed is 0.3, the winding speed is 2500m/min, the texturing machine speed is 500m/min, the draw ratio is 1.7, the first hot box temperature is 170 ℃, and the second hot box temperature is 160 ℃.
Preferably, the amount of the isophthalic acid used is 6% of the molar amount of the terephthalic acid; the flatting agent is titanium dioxide, and the using amount of the flatting agent is 7 percent of the molar weight of the terephthalic acid; the antibacterial agent is nano silver, and the using amount of the nano silver is 7 percent of the molar amount of the terephthalic acid; the antioxidant is one or more of tea polyphenols, phytic acid, and flavonoids.
The invention also provides the ultra-black cotton-like yarn prepared by the method.
Because the isophthalic acid is added, the regularity of a macromolecular chain segment can be reduced by the isophthalic acid, so that the close arrangement of a molecular chain is reduced, and the color master batch is favorably colored, thereby improving the color blackness and improving the color fastness.
Example 2
A processing method of super-black cotton-like yarns comprises the following steps:
(1) performing esterification reaction on phthalic acid, ethylene glycol and isophthalic acid for 2.8 hours to obtain a mixture A;
(2) adding an antioxidant, a delustering agent, color master batches and an antibacterial agent into the mixture A to obtain modified polyester chips; adding an antioxidant, a delustering agent, color master batches and an antibacterial agent, heating to 255 ℃, vacuumizing, heating to 270 ℃, continuing vacuumizing, and discharging when the melt viscosity is 0.76dl/g to obtain modified polyester chips; the color master batch comprises the following raw materials in percentage by weight: 3.1% of carbon black and 97.6% of polyester chips; the preparation process of the color master batch comprises the following steps: firstly, weighing raw material carbon black and polyester slices required by color master batch production, grinding the carbon black and the polyester slices into powder, and putting the powder into a high-speed mixer and a double-screw extruder according to weight percentage to obtain color master batch;
(3) drying the modified polyester chips by a rotary drum, and extruding by a double screw to perform melt spinning to obtain super-black cotton-like yarns; wherein the screw temperature is set at 250 ℃, the spinning box temperature is controlled at 272 ℃, the side blowing cooling air speed is 0.55m/s, the winding speed is 2500m/min, the texturing machine speed is 5250m/min, the draw ratio is 1.72, the first hot box temperature is 175 ℃, and the second hot box temperature is 165 ℃.
Preferably, the amount of the isophthalic acid used is 6.5% of the molar amount of the terephthalic acid; the flatting agent is titanium dioxide, and the using amount of the flatting agent is 7.5 percent of the molar weight of the terephthalic acid; the antibacterial agent is nano silver, and the using amount of the nano silver is 7.5 percent of the molar weight of the terephthalic acid; the antioxidant is one or more of tea polyphenols, phytic acid, and flavonoids.
The invention also provides the ultra-black cotton-like yarn prepared by the method.
Because the isophthalic acid is added, the regularity of a macromolecular chain segment can be reduced by the isophthalic acid, so that the close arrangement of a molecular chain is reduced, and the color master batch is favorably colored, thereby improving the color blackness and improving the color fastness.
Example 3
A processing method of super-black cotton-like yarns comprises the following steps:
(1) performing esterification reaction on phthalic acid, ethylene glycol and isophthalic acid for 3 hours to obtain a mixture A;
(2) adding an antioxidant, a delustering agent, color master batches and an antibacterial agent into the mixture A to obtain modified polyester chips; adding an antioxidant, a delustering agent, color master batches and an antibacterial agent, heating to 260 ℃, vacuumizing, heating to 275 ℃, continuing vacuumizing, and discharging when the melt viscosity is 0.78dl/g to obtain modified polyester chips; the color master batch comprises the following raw materials in percentage by weight: 5.8 percent of carbon black and 99.6 percent of terylene chips; the preparation process of the color master batch comprises the following steps: firstly, weighing raw material carbon black and polyester slices required by color master batch production, grinding the carbon black and the polyester slices into powder, and putting the powder into a high-speed mixer and a double-screw extruder according to weight percentage to obtain color master batch;
(3) drying the modified polyester chips by a rotary drum, and extruding by a double screw to perform melt spinning to obtain super-black cotton-like yarns; wherein the screw temperature is set at 260 ℃, the spinning box temperature is controlled at 275 ℃, the side-blowing cooling air speed is 0.8m/s, the winding speed is 2500m/min, the texturing machine speed is 550m/min, the draw ratio is 1.75, the first hot box temperature is 180 ℃, and the second hot box temperature is 170 ℃.
Preferably, the amount of the isophthalic acid used is 7% of the molar amount of the terephthalic acid; the flatting agent is titanium dioxide, and the using amount of the flatting agent is 8 percent of the molar weight of the terephthalic acid; the antibacterial agent is nano silver, and the using amount of the nano silver is 8 percent of the molar weight of the terephthalic acid; the antioxidant is one or more of tea polyphenols, phytic acid, and flavonoids.
The invention also provides the ultra-black cotton-like yarn prepared by the method.
Because the isophthalic acid is added, the regularity of a macromolecular chain segment can be reduced by the isophthalic acid, so that the close arrangement of a molecular chain is reduced, and the color master batch is favorably colored, thereby improving the color blackness and improving the color fastness.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.
Claims (7)
1. A processing method of super-black cotton-like yarns is characterized by comprising the following steps: the processing method comprises the following steps:
(1) performing esterification reaction on phthalic acid, ethylene glycol and isophthalic acid to obtain a mixture A;
(2) adding an antioxidant, a delustering agent, color master batches and an antibacterial agent into the mixture A to obtain modified polyester chips; the color master batch comprises the following raw materials in percentage by weight: 0.4 to 5.8 percent of carbon black and 94.2 to 99.6 percent of terylene slice;
(3) and drying the modified polyester chips by a rotary drum, and extruding by a double screw to perform melt spinning to obtain the ultra-black cotton-like yarn.
2. The processing method of the ultra-black imitated cotton yarn as claimed in claim 1, wherein the processing method comprises the following steps: in the step (1), the esterification reaction time is 2.5-3 h.
3. The processing method of the ultra-black imitated cotton yarn as claimed in claim 1, wherein the processing method comprises the following steps: in the step (2), adding an antioxidant, a delustering agent, color master batches and an antibacterial agent, heating to 250-260 ℃, vacuumizing, heating to 265-275 ℃, continuously vacuumizing, and discharging when the melt viscosity is 0.75-0.78 dl/g to obtain the modified polyester chips.
4. The processing method of the ultra-black imitated cotton yarn as claimed in claim 1, wherein the processing method comprises the following steps: in the step (2), the specific preparation process of the color master batch is as follows: firstly, weighing raw material carbon black and polyester chips required by color master batch production, then grinding the carbon black and the polyester chips into powder, and then putting the powder into a high-speed mixer and a double-screw extruder according to weight percentage to obtain the color master batch.
5. The processing method of the ultra-black imitated cotton yarn as claimed in claim 1, wherein the processing method comprises the following steps: in the step (3), the temperature of the screw is set to be 240-260 ℃, the temperature of the spinning box body is controlled to be 270-275 ℃, the side blowing cooling air speed is 0.3-0.8 m/s, the winding speed is 2500m/min, the speed of the elasticizer is 500-550 m/min, the stretching ratio is 1.7-1.75, the temperature of the first hot box is 170-180 ℃, and the temperature of the second hot box is 160-170 ℃.
6. The processing method of the ultra-black imitated cotton yarn as claimed in claim 1, wherein the processing method comprises the following steps: the usage amount of the isophthalic acid is 6 to 7 percent of the molar weight of the terephthalic acid; the flatting agent is titanium dioxide, and the using amount of the flatting agent is 7-8% of the molar weight of the terephthalic acid; the antibacterial agent is nano silver, and the using amount of the nano silver is 7-8% of the molar amount of the terephthalic acid; the antioxidant is one or more of tea polyphenol, phytic acid and flavonoids.
7. The super-black cotton-like silk is characterized in that: the super black spun cotton is manufactured by the method of any one of claims 1 to 4.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111221542.8A CN114164515A (en) | 2021-10-20 | 2021-10-20 | Super-black cotton-like yarn and processing method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111221542.8A CN114164515A (en) | 2021-10-20 | 2021-10-20 | Super-black cotton-like yarn and processing method thereof |
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| CN114164515A true CN114164515A (en) | 2022-03-11 |
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| CN202111221542.8A Pending CN114164515A (en) | 2021-10-20 | 2021-10-20 | Super-black cotton-like yarn and processing method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115559015A (en) * | 2022-09-30 | 2023-01-03 | 浙江佳人新材料有限公司 | Preparation process of antibacterial black yarn |
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2021
- 2021-10-20 CN CN202111221542.8A patent/CN114164515A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115559015A (en) * | 2022-09-30 | 2023-01-03 | 浙江佳人新材料有限公司 | Preparation process of antibacterial black yarn |
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