CN107740201B - Negative oxygen ion polyester fiber with health care function and preparation method thereof - Google Patents
Negative oxygen ion polyester fiber with health care function and preparation method thereof Download PDFInfo
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- CN107740201B CN107740201B CN201711067257.9A CN201711067257A CN107740201B CN 107740201 B CN107740201 B CN 107740201B CN 201711067257 A CN201711067257 A CN 201711067257A CN 107740201 B CN107740201 B CN 107740201B
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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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- 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
- D01D5/08—Melt spinning methods
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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
- D01D5/12—Stretch-spinning methods
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- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
- D01F1/00—General methods for the manufacture of artificial filaments or the like
- D01F1/02—Addition of substances to the spinning solution or to the melt
- D01F1/10—Other agents for modifying properties
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Abstract
The invention provides negative oxygen ion health-care functional polyester fibers, wherein the breaking strength of the negative oxygen ion polyester fibers is more than or equal to 6.35cN/dtex, the elongation at break is 25.2-27.8%, the dry heat shrinkage rate is less than or equal to 8.5%, the crimp rate is less than or equal to 3.5%, and the moisture regain rate is more than or equal to 1.5%. The negative ion generation amount of the polyester fiber with the negative oxygen ion health care function is more than or equal to 1850 negative ions/cm3. The invention also provides a preparation method of the negative oxygen ion health-care functional polyester fiber, which comprises the steps of preparing tourmaline nano powder, preparing a tourmaline-cellulose functional film, preparing tourmaline master batches and preparing modified polyester slices; according to the invention, by adopting a special method for improving the moisture absorption of the polyester fiber, the contact probability of tourmaline particles in the fiber and water molecules is increased, the capability of the tourmaline for releasing negative oxygen ions is greatly improved, and meanwhile, the spinnability of the polyester fiber can be greatly improved.
Description
Technical Field
The invention relates to a polyester fiber and a preparation method thereof, in particular to a negative oxygen ion polyester fiber with a health care function and a preparation method thereof.
Background
Air negative ions are also called negative oxygen ions, and refer to oxygen ions which acquire redundant electrons and are negatively charged. It is formed by the binding of free electrons to oxygen molecules in the air. The discharge (lightning) phenomenon, photoelectric effect, fountain, waterfall, etc. in the nature can all ionize the surrounding air to form negative oxygen ions. The negative oxygen ions enjoy the names of vitamin oxygen, air vitamin, longevity element, air vitamin and the like in the medical field.
The polyester fiber, which is commonly called 'dacron' in China, has a wide application range and is widely used for manufacturing clothing fabrics and industrial products. The terylene has excellent setting performance. The flat and straight, fluffy or pleated shape and the like generated after the terylene yarn or the fabric is shaped can be kept for a long time after being washed for many times in use. The polyester fiber is used as the most widely applied chemical fiber, has good fiber forming performance and mechanical performance, high strength, good light resistance, heat resistance and acid and alkali resistance, good processability and spinnability, and can be spun, blended and interwoven. However, no functional fiber is reported in which polyester fiber is combined with moisture absorption and the release capacity of negative oxygen ions is increased.
The profiled fiber can change the elasticity of the fiber, so that the fiber has special luster and bulkiness, the moisture absorption is improved, and the cohesion performance and the covering capability of the fiber, the pilling resistance, the static electricity reduction and other performances are improved. For example, triangular fibers have a glittering effect; the pentalobal fiber has rich luster, good hand feeling and pilling resistance; the hollow fiber has a cavity inside, is low in density, good in heat retention property and has certain hygroscopicity, but the hollow fiber is easy to cause the problems of fuzzing, fiber fibrillation and the like in the post-treatment process, and along with the increasing environmental requirements of consumers on clothes, chemical fibers, particularly terylene, are modified in the preparation process, so that the chemical treatment of the terylene fiber in the fabric preparation process can be reduced, and the hollow fiber is more and more important.
The patent application number is 2112100534033, and the patent name is that composite function hollow polyester fiber production method provides a hollow patent, has certain moisture absorption characteristic, and its main preparation step is comparatively complicated, and the industrialization is difficult to realize, and hollow fiber is at preparation process and follow-up spinning in-process simultaneously, and the fibre produces burr and static easily, produces broken end and flyings, influences product quality.
The patent application number is 2013102627501, the patent name is hydrophilic moisture-absorbing sweat-releasing polyester fiber and the preparation method thereof, which mainly comprises the steps of adding a partially soluble additive substance into the polyester fiber, and finally dissolving the added additive by adding an acid or alkali method in the post-treatment process, thereby changing the microstructure of the fiber to achieve the purpose of moisture absorption.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides a negative oxygen ion health-care functional polyester fiber and a preparation method thereof, so as to realize the following purposes:
1. the prepared polyester fiber contains a proper amount of tourmaline, so that the prepared negative oxygen ion health-care functional polyester fiber has the functions of releasing negative oxygen ions and emitting infrared rays;
2. the contact probability of tourmaline particles in the fiber and water molecules is increased, and the capability of the tourmaline for releasing negative oxygen ions is greatly improved;
3. selecting a proper polyester spinning hydrophilic polymer to improve the moisture absorption capacity of the prepared polyester fiber;
4. under the condition of keeping the fiber strength without changing the circular structure state of the fiber, the anion release reinforcing agent is added, so that the anion release capability of the prepared polyester fiber is further improved, and the integrity of the physical structure of the fiber is ensured.
In order to realize the purpose, the invention adopts the technical scheme that:
a preparation method of negative oxygen ion health-care functional polyester fiber comprises the following steps:
(1) preparing tourmaline nano powder: grinding tourmaline particles into tourmaline nano powder with particle size of 50-100 nm by a nano grinder;
(2) preparing a tourmaline-cellulose functional film: mixing the cellulose spinning solution with the tourmaline nano powder prepared in the step (1) and a denaturant, uniformly dispersing, spreading to form a liquid film, putting the liquid film into a conventional acid bath, and taking out after 10-20s to prepare a cellulose film; placing the cellulose membrane in 0.1-1mol/L sodium hydroxide solution to remove carbon disulfide and prevent safety accidents; then putting the cellulose into an oven, and drying at the temperature of 90-110 ℃ for 20-40min to prepare the tourmaline-cellulose functional membrane;
preferably, the denaturant is JL-V, produced by gathering chemical industry Co., Ltd, Binzhou city; the denaturant can promote the cellulose spinning solution to form a film quickly and greatly improve the drying efficiency, the drying time of the cellulose functional film is 3-5h in general, the drying time is shortened to 20-40min by adopting the denaturant, and the efficiency of large-scale production can be greatly improved;
preferably, the moisture content of the dried tourmaline-cellulose functional film is less than or equal to 0.5 percent; the reduction of the moisture content is beneficial to the crushing of the tourmaline-cellulose functional film;
preferably, the mass of the tourmaline nano powder is 1/10-1/3 of the mass of the cellulose spinning solution;
the addition amount of the denaturant is 0.5-1% of the mass of the cellulose spinning solution.
(3) Preparing tourmaline master batches: breaking up and crushing the tourmaline-cellulose functional film prepared in the step (2), and grinding the broken tourmaline-cellulose functional film to 100-200 nm by using a grinding machine to prepare tourmaline-cellulose nano micro powder;
adding the prepared tourmaline-cellulose nano micro powder and a certain proportion of terylene slices into a mixing roll for mixing and pelleting to obtain tourmaline master batches;
preferably, the temperature for mixing and granulating is 200-270 ℃;
(4) preparing modified polyester chips: adding the tourmaline master batch, the polyester modifier and the negative ion reinforcing agent prepared in the step (3) into the molten terylene slices in a screw extruder at the temperature of 265 ℃ and 270 ℃, stirring for 30-45min, and fully and uniformly mixing to prepare modified terylene slices;
preferably, the addition amount of the tourmaline master batch is 0.5 to 5 percent of the total mass of the terylene slice by the tourmaline nano powder;
the addition amount of the polyester modifier is 0.05-2%;
the polyester modifier is one or more of sodium dodecyl sulfate, polyethylene glycol, polypropylene glycol and polytetrahydrofuran glycol; the moisture absorption performance and physical performance of the prepared polyester fiber can be remarkably improved by adding the polyester modifier; the polyester modifier is preferably two or more;
the negative ion reinforcing agent consists of the following components in percentage by mass (based on the mass of the polyester chips): 0.5-1.5% of titanium acetylacetonate, 1-3% of titanium dioxide and 0.5-2% of 2-methyl amyl butyl ester, when adding, uniformly mixing various negative ion additives according to the mass, adding the mixture into a nano grinder, grinding the mixture into particles with the particle size of 50-100 nanometers, drying the particles, and adding the particles into a polyester slice obtained in a molten state;
(5) mixing and melting: after adding the polyester chips, the tourmaline master batches, the polyester modifier and the negative ion reinforcing agent into a screw extruder, melting and mixing uniformly, wherein the heating temperature of six functional temperature control areas in the screw extruder is as follows: 265 at 270 deg.C, 270 at 275 deg.C, 275 at 280 deg.C, 283 deg.C, and 285 deg.C.
(6) Spinning: because tourmaline master batches, polyester modifier and anion reinforcing agent are added in the melt, in order to prevent burrs and fiber breakage during spinning, the proper pump supply, spinning speed, spinning temperature, wind temperature and wind speed are adjusted, wherein the pump supply: 650-700g/min, spinning speed: 2600-2800m/min, spinning temperature: 360-380 ℃; wind temperature: 35-40 ℃, wind speed: 2.0-2.5 m/s;
(7) and (3) post-treatment: after cooling and forming, the polyester fiber passes through a spinning channel and adopts a relaxed post-processing technology to further improve the strength of the polyester fiber, which specifically comprises the following steps: the temperature of the stretching tank is as follows: 45-50 ℃; the temperature of the secondary stretcher is 60-62 ℃; the temperature of the three stretching machines is 85-93 ℃; the draw ratio 3-3.3 the production speed was 145-155 m/min.
The terylene is widely used for textiles such as clothing materials, various decorative cloth, national defense and military special fabrics and other industrial fiber products, such as filter materials, insulating materials, tire cords, conveyor belts and the like; the polyester fiber prepared by the invention contains tourmaline, has the health care function of negative oxygen ions, and can be applied to underwear such as body-building clothes, bras, health care protective clothing, body-building socks, underwear, underpants and the like;
certainly, the negative oxygen ion health-care polyester fiber prepared by the invention is also very suitable for household articles, such as curtains, bedding articles and the like, and can bring environment-friendly and healthy household environments.
Due to the adoption of the technical scheme, the invention achieves the technical effects that:
1. the anion health-care functional polyester fiber prepared by the invention adopts a post-treatment process of adding a polyester modifier and relieving, and simultaneously does not change the physical structure of the fiber, so that the breaking strength of the prepared anion health-care functional polyester fiber is more than or equal to 6.35cN/dtex, the elongation at break is 25.2-27.8%, and the prepared polyester fiber has excellent moisture absorption property;
2. according to the anion health-care functional polyester fiber prepared by the invention, as the cellulose nano micro powder is added and the polyester modifier is added, static electricity is reduced in the fiber preparation process, the dry heat shrinkage rate is less than or equal to 8.5%, the crimp rate is less than or equal to 3.5%, and the moisture regain is more than or equal to 1.5%;
3. the anion health-care polyester fiber prepared by the invention is prepared into full polyester half-smooth plain weave fabric (warp and weft 68D/24F) by adopting a conventional process, and the anion generation amount is more than or equal to 1850 anions/cm by adopting the detection and evaluation of GBT30128-2013 textile anion generation amount3；
3. The anion health-care functional polyester fiber prepared by the invention has stronger hygroscopicity, so that the charge accumulation can not be caused in the subsequent spinning process, the generated electrostatic interference is avoided, the spinnability of the fiber is greatly improved, the quantity of finished yarn hairiness is greatly reduced, the broken ends and flying flowers are reduced, the yarn quality is improved, the yarn cost is reduced, and the production efficiency is improved;
4. the polyester fiber prepared by the invention contains a proper amount of tourmaline, so that the prepared negative oxygen ion health-care functional polyester fiber has excellent functions of releasing negative oxygen ions and emitting infrared rays;
5. the invention increases the contact probability of tourmaline particles in the fiber and water molecules by adopting the way of improving the moisture absorption of the polyester fiber, and greatly improves the capability of the tourmaline for releasing negative oxygen ions;
6. the invention adopts the selection of proper polyester spinning hydrophilic polymer and the addition of cellulose nano particles to jointly improve the moisture absorption capacity of the prepared polyester fiber;
7. under the conditions of not changing the fiber structure and keeping the fiber strength, the anion release reinforcing agent is added in the preparation process of the polyester fiber, so that the anion release capability of the prepared polyester fiber is further improved, the integrity of the physical structure of the fiber is ensured, and the reduction of subsequent spinning procedure spinnability caused by changing the fiber structure in order to improve the hygroscopicity in the prior art is avoided.
Detailed Description
The present invention will be described in detail with reference to examples. The following examples will assist those skilled in the art in further understanding the invention, but are not intended to limit the invention in any way. It should be noted that it would be apparent to those skilled in the art that several modifications and improvements can be made without departing from the inventive concept. All falling within the scope of the present invention.
Example 1
A preparation method of negative oxygen ion health-care functional polyester fiber comprises the following steps:
(1) grinding tourmaline particles into tourmaline nano powder with particle size of 50-100 nm by a nano grinder;
(2) uniformly mixing and dispersing a cellulose spinning solution, the tourmaline nano powder prepared in the step (1) and a denaturant JL-V to prepare a tourmaline-cellulose functional film: mixing and dispersing the cellulose spinning solution, the tourmaline nano powder prepared in the step (1) and a denaturant uniformly, spreading the mixture into a liquid film, putting the liquid film into an acid bath, and taking out the liquid film after 10 seconds to prepare a cellulose film; placing the cellulose membrane in 0.1mol/L sodium hydroxide solution to remove carbon disulfide and prevent safety accidents; then putting the cellulose into an oven, and drying for 20min at the temperature of 90 ℃ to prepare the tourmaline-cellulose functional film; the moisture content of the dried tourmaline-cellulose functional film is less than or equal to 0.5 percent; the reduction of the moisture content is beneficial to the crushing of the tourmaline-cellulose functional film; the mass of the tourmaline nano powder is 1/10 of the mass of the cellulose spinning solution; the addition amount of the denaturant is 0.5 percent of the mass of the cellulose spinning solution.
(3) Preparing tourmaline master batch: breaking up and crushing the tourmaline-cellulose functional film prepared in the step (2), and grinding the broken tourmaline-cellulose functional film to 100-200 nm by using a grinding machine to prepare tourmaline-cellulose nano micro powder;
adding the prepared tourmaline-cellulose nano micro powder and terylene slices into a mixing roll, mixing and granulating at 200 ℃ to obtain tourmaline master batch;
(4) adding the tourmaline master batches prepared in the step (3), the polyester modifier and the negative ion reinforcing agent into the molten polyester slices in a screw extruder at the 265 ℃ molten state, stirring for 30min, and fully and uniformly mixing to prepare modified polyester slices; the adding amount of the tourmaline master batch (calculated by tourmaline nano powder) is 1.5 percent of the total mass of the terylene slice; the addition amount of the polyester modifier is 0.05 percent; the polyester modifier is sodium dodecyl sulfate;
the negative ion reinforcing agent consists of the following components in percentage by mass (based on the mass of the polyester chips): 0.5 percent of titanium acetylacetonate, 3 percent of titanium dioxide and 1 percent of 2-methyl amyl butyl ester, when adding, uniformly mixing various negative ion additives according to the mass, adding the mixture into a nano grinder, grinding the mixture into particles with the particle size of 50-100 nanometers, drying the particles, and adding the particles into a polyester chip obtained in a molten state;
(5) after adding the polyester chips, the tourmaline master batches, the polyester modifier and the negative ion reinforcing agent into a screw extruder, melting and mixing uniformly, wherein the heating temperature of six functional temperature control areas in the screw extruder is as follows: 265 deg.C, 270 deg.C, 275 deg.C, 280 deg.C, 283 deg.C.
(6) In order to prevent the occurrence of burrs and the breakage of fibers, the appropriate pump feed and spinning speed were adjusted, the pump feed: 650g/min, spinning speed: 2600m/min, spinning temperature: 360 ℃; wind temperature: 35-40 ℃, wind speed: 2.0 m/s;
(7) after cooling and forming, the polyester fiber passes through a spinning channel and adopts a relaxed post-processing technology to further improve the strength of the polyester fiber, which specifically comprises the following steps: the temperature of the stretching tank is as follows: 45 ℃; the temperature of the secondary stretcher is 60 ℃; the temperature of the three stretching machines is 85 ℃; the stretching ratio is 3; the production speed was 145 m/min.
Example 2
A preparation method of negative oxygen ion health-care functional polyester fiber comprises the following steps:
(1) grinding tourmaline particles into tourmaline nano powder with particle size of 50-100 nm by a nano grinder;
(2) uniformly mixing and dispersing a cellulose spinning solution, the tourmaline nano powder prepared in the step (1) and a denaturant JL-V to prepare a tourmaline-cellulose functional film: mixing and dispersing the cellulose spinning solution, the tourmaline nano powder prepared in the step (1) and a denaturant uniformly, spreading the mixture into a liquid film, putting the liquid film into an acid bath, and taking out the liquid film after 10 seconds to prepare a cellulose film; placing the cellulose membrane in 0.5mol/L sodium hydroxide solution to remove carbon disulfide and prevent safety accidents; then putting the cellulose into an oven, and drying for 20min at the temperature of 110 ℃ to prepare the tourmaline-cellulose functional film; (ii) a
The moisture content of the dried tourmaline-cellulose functional film is less than or equal to 0.5 percent; the reduction of the moisture content is beneficial to the crushing of the tourmaline-cellulose functional film; the mass of the tourmaline nano powder is 1/5 of the mass of the cellulose spinning solution;
the addition amount of the denaturant is 0.7 percent of the mass of the cellulose spinning solution.
(3) Preparing tourmaline master batch: breaking up and crushing the tourmaline-cellulose functional film prepared in the step (2), and grinding the broken tourmaline-cellulose functional film to 100-200 nm by using a grinding machine to prepare tourmaline-cellulose nano micro powder;
adding the prepared tourmaline-cellulose nano micro powder and terylene slices into a mixing roll, mixing and granulating at 200 ℃ to obtain tourmaline master batch;
(4) adding the tourmaline master batches prepared in the step (3), the polyester modifier and the negative ion reinforcing agent into the molten polyester slices in a screw extruder at a 270 ℃ molten state, stirring for 45min, and fully and uniformly mixing to prepare modified polyester slices; the adding amount of the tourmaline master batch (calculated by tourmaline nano powder) is 2 percent of the total mass of the terylene slice; the addition amount of the polyester modifier is 1 percent; the polyester modifier is a mixture of sodium dodecyl sulfate and polyethylene glycol, wherein the mass ratio of the sodium dodecyl sulfate to the polyethylene glycol is 2: 1;
the negative ion reinforcing agent consists of the following components in percentage by mass (based on the mass of the polyester chips): 1.5 percent of titanium acetylacetonate, 2 percent of titanium dioxide and 1.5 percent of 2-methyl amyl butyl ester, uniformly mixing various negative ion additives according to the mass, adding the mixture into a nano grinder, grinding the mixture into particles with the particle size of 50-100 nanometers, drying the particles, and adding the particles into a polyester chip obtained in a molten state;
(5) after adding the polyester chips, the tourmaline master batches, the polyester modifier and the negative ion reinforcing agent into a screw extruder, melting and mixing uniformly, wherein the heating temperature of six functional temperature control areas in the screw extruder is as follows: 270 deg.C, 275 deg.C, 283 deg.C.
(6) In order to prevent burrs and fiber breakage, the proper pump supply, spinning speed, spinning temperature, wind temperature and wind speed are adjusted as follows: pump supply: 700g/min, spinning speed: 2700m/min, spinning temperature: 360 ℃; wind temperature: 37 ℃, wind speed: 2.2 m/s;
(7) after cooling and forming, the polyester fiber passes through a spinning channel and adopts a relaxed post-processing technology to further improve the strength of the polyester fiber, which specifically comprises the following steps: the temperature of the stretching tank is as follows: 50 ℃; the temperature of the secondary stretcher is 60 ℃; the temperature of the three stretching machines is 85 ℃; the draw ratio 3 production speed was 145 m/min.
Example 3
A preparation method of negative oxygen ion health-care functional polyester fiber comprises the following steps:
(1) grinding tourmaline particles into tourmaline nano powder with particle size of 50-100 nm by a nano grinder;
(2) uniformly mixing and dispersing a cellulose spinning solution, the tourmaline nano powder prepared in the step (1) and a denaturant JL-V to prepare a tourmaline-cellulose functional film: mixing and dispersing the cellulose spinning solution, the tourmaline nano powder prepared in the step (1) and a denaturant uniformly, spreading the mixture into a liquid film, putting the liquid film into an acid bath, and taking out the liquid film after 10 seconds to prepare a cellulose film; placing the cellulose membrane in 0.1mol/L sodium hydroxide solution to remove carbon disulfide and prevent safety accidents; then putting the cellulose into an oven, and drying for 40min at the temperature of 90 ℃ to prepare the tourmaline-cellulose functional film; the moisture content of the dried tourmaline-cellulose functional film is less than or equal to 0.5 percent; the reduction of the moisture content is beneficial to the crushing of the tourmaline-cellulose functional film; the mass of the tourmaline nano powder is 1/5 of the mass of the cellulose spinning solution; the addition amount of the denaturant is 1 percent of the mass of the cellulose spinning solution.
(3) Preparing tourmaline master batch: breaking up and crushing the tourmaline-cellulose functional film prepared in the step (2), and grinding the broken tourmaline-cellulose functional film to 100-200 nm by using a grinding machine to prepare tourmaline-cellulose nano micro powder;
adding the prepared tourmaline-cellulose nano micro powder and terylene slices into a mixing roll, mixing and granulating at 200 ℃ to obtain tourmaline master batch;
(4) adding the tourmaline master batches prepared in the step (3), the polyester modifier and the negative ion reinforcing agent into the molten polyester slices in a screw extruder at a 270 ℃ molten state, stirring for 45min, and fully and uniformly mixing to prepare modified polyester slices; the adding amount of the tourmaline master batch (calculated by tourmaline nano powder) is 5 percent of the total mass of the terylene slice; the addition amount of the polyester modifier is 2 percent;
the polyester modifier is the combination of polypropylene glycol and polytetrahydrofuran glycol; the moisture absorption performance and physical performance of the prepared polyester fiber can be remarkably improved by adding the polyester modifier, wherein the mass ratio of the polypropylene glycol to the polytetrahydrofuran glycol is 2: 1;
the negative ion reinforcing agent consists of the following components in percentage by mass (based on the mass of the polyester chips): 1.5 percent of acetylacetone titanium, 1 percent of titanium dioxide and 2 percent of 2-methyl amyl butyl ester, uniformly mixing various negative ion additives according to the mass, adding the mixture into a nano grinder, grinding the mixture into particles with the particle size of 50-100 nanometers, drying the particles, and adding the particles into a polyester slice obtained in a molten state;
(5) after adding the polyester chips, the tourmaline master batches, the polyester modifier and the negative ion reinforcing agent into a screw extruder, melting and mixing uniformly, wherein the heating temperature of six functional temperature control areas in the screw extruder is as follows: 270 deg.C, 275 deg.C, 273 deg.C, 280 deg.C, 283 deg.C.
(6) Adjusting the appropriate pump supply and spinning speed, the pump supply: 700g/min, spinning speed: 2700m/min, spinning temperature: 375 ℃; wind temperature: 35 ℃, wind speed: 2.5 m/s;
(7) after cooling and forming, the polyester fiber passes through a spinning channel and adopts a relaxed post-processing technology to further improve the strength of the polyester fiber, which specifically comprises the following steps: the temperature of the stretching tank is as follows: 50 ℃; the temperature of the secondary stretcher is 62 ℃; the temperature of the three stretching machines is 90 ℃; the draw ratio 3.3 the production speed was 145 m/min.
The polyester fiber with the negative oxygen ion health care function prepared by the invention has good physical properties, and the detection indexes of the polyester fiber with the negative oxygen ion health care function prepared by the invention are shown in table 1:
TABLE 1
From table 1, it is concluded that example 2 is the best example, and example 2 also obtains relevant process parameters accidentally in a large number of test processes, especially the moisture regain is greatly improved, which indicates that the moisture absorption effect is good compared with other examples.
The anion health care polyester fiber prepared in the embodiments 1-3 of the invention is prepared into full polyester half-smooth plain weave fabric (warp and weft 68D/24F) by adopting the conventional process, and is detected by GBT30128-2013 detection and evaluation of anion generation amount of textile, and the specific detection indexes are shown in Table 2
TABLE 2
As can be concluded from Table 2, the anion health-care polyester fiber prepared by the invention has excellent anion releasing ability, and the anion generating amount is more than or equal to 1850 anions/cm3And the anion generation amount has certain positive correlation with the moisture absorption performance of the polyester fiber.
In the experiment and production, the influence of relevant process parameters on the anion releasing function of the anion health care polyester fiber prepared by the invention is further found out, the method of the embodiment 2 is adopted, only relevant processes in the following table are changed, the experiment exploration is carried out, and the concrete is shown in the table 3
TABLE 3
As can be seen from Table 3, comparative examples 4 to 7 can be concluded: under the condition that the addition amount of the tourmaline master batch (calculated by tourmaline nano powder), the addition amount of the polyester modifier and the addition amount of titanium dioxide are kept consistent, the negative oxygen ion release capacity of the prepared polyester fiber with the negative oxygen ion health care function is increased along with the increase of the contents of titanium acetylacetonate and 2-methyl amyl butyl ester, but when the contents of the titanium acetylacetonate and the 2-methyl amyl butyl ester reach 1.5 percent of the polyester slice, the negative oxygen ion release capacity of the prepared polyester fiber reaches the peak value;
comparing comparative example 8 with examples 4-7, it can be concluded that the added amount of tourmaline master batch (in terms of tourmaline nano powder) is the main source of negative oxygen ions generated by the prepared polyester fiber;
comparing comparative example 9 and examples 4 to 7, we have discovered that, incidentally, when the amount of the polyester modifier added is 0, the negative oxygen ion releasing ability of the prepared polyester is better than that of the fiber prepared by adding the polyester modifier.
While the invention has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes may be made and equivalents may be substituted for elements thereof without departing from the scope of the invention. However, the present invention is not limited to the embodiments described above, and various modifications, changes, variations, and alterations may be made without departing from the spirit of the invention.
Claims (9)
1. The polyester fiber with the negative oxygen ion health care function is characterized in that: the breaking strength of the negative oxygen ion polyester fiber is more than or equal to 6.35cN/dtex, the elongation at break is 25.2-27.8%, the dry heat shrinkage rate is less than or equal to 8.5%, the crimp rate is less than or equal to 3.5%, and the moisture regain is more than or equal to 1.5%; the preparation method of the negative oxygen ion health-care functional polyester fiber comprises the steps of preparing tourmaline nano powder, preparing a tourmaline-cellulose functional film, preparing tourmaline master batches and preparing modified polyester slices; the preparation method of the tourmaline-cellulose functional film comprises the following steps: mixing cellulose spinning solution with the prepared tourmaline nano powder and denaturant, uniformly dispersing, spreading to form a liquid film, putting the liquid film into a conventional acid bath, and taking out after 10-20s to prepare a cellulose film; placing the cellulose membrane in 0.1-1mol/L sodium hydroxide solution; then putting the cellulose into an oven, and drying for 20-40min at the temperature of 90-110 ℃; the denaturant is JL-V.
2. The negative oxygen ion health-care functional polyester fiber according to claim 1, characterized in that: the negative ion generation amount of the polyester fiber with the negative oxygen ion health care function is more than or equal to 1850 negative ions/cm3。
3. The preparation method of the negative oxygen ion polyester fiber with the health care function according to claim 2, which is characterized in that: the moisture content of the tourmaline-cellulose functional film is less than or equal to 0.5 percent; the mass of the tourmaline nano powder in the tourmaline-cellulose functional film is 1/10-1/3 of the mass of the cellulose spinning solution; the addition amount of the denaturant is 0.5-1% of the mass of the cellulose spinning solution.
4. The preparation method of the negative oxygen ion polyester fiber with the health care function according to claim 2, which is characterized in that: preparing the modified polyester chips: adding the prepared tourmaline master batch, polyester modifier and negative ion reinforcing agent into the molten terylene slices in a screw extruder at 265-270 ℃ molten state, and stirring for 30-45 min; the addition of the tourmaline master batch is 1.5-5% of the total mass of the terylene slice calculated by the tourmaline nano micro powder; the addition amount of the polyester modifier is 0.05-2%.
5. The preparation method of the negative oxygen ion polyester fiber with the health care function according to claim 4, wherein the preparation method comprises the following steps: the polyester modifier is one or more of sodium dodecyl sulfate, polyethylene glycol, polypropylene glycol and polytetrahydrofuran glycol.
6. The preparation method of the negative oxygen ion polyester fiber with the health care function according to claim 4, wherein the preparation method comprises the following steps: the negative ion reinforcing agent comprises the following components: 0.5 to 1.5 percent of acetylacetone titanium, 1 to 3 percent of titanium dioxide and 0.5 to 2 percent of 2-methyl amyl butyl ester.
7. The preparation method of the negative oxygen ion polyester fiber with the health care function according to claim 1, which is characterized in that: the method further comprises a mixing and melting step; the mixing and melting step comprises: adding the polyester chips, the tourmaline-cellulose nano micro powder, the polyester modifier and the negative ion reinforcing agent into a screw extruder, and then melting and mixing uniformly, wherein the heating temperature of six functional temperature control areas in the screw extruder is as follows: 265 at 270 deg.C, 270 at 275 deg.C, 275 at 280 deg.C, 283 deg.C, and 285 deg.C.
8. The preparation method of the negative oxygen ion polyester fiber with the health care function according to claim 1, which is characterized in that: the method further comprises a spinning step; the spinning step comprises the following steps: pump supply: 650-700g/min, spinning speed: 2600-2800m/min, spinning temperature: 360-380 ℃; wind temperature: 35-40 ℃, wind speed: 2.0-2.5 m/s.
9. The preparation method of the negative oxygen ion polyester fiber with the health care function according to claim 1, which is characterized in that: the method further comprises a post-processing step; the post-treatment step comprises: the temperature of the stretching tank is as follows: 45-50 ℃; the temperature of the secondary stretcher is 60-62 ℃; the temperature of the three stretching machines is 85-93 ℃; the stretching ratio is 3-3.3; the production speed is 145-155 m/min.
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| CN112176453B (en) * | 2019-07-03 | 2021-11-16 | 江苏家来福纺织有限公司 | Four-leaf skin-core structure negative oxygen ion polyester fiber and preparation method thereof |
| CN110565190A (en) * | 2019-09-12 | 2019-12-13 | 河北森雅环保新材料科技有限公司 | Polyester material for inducing negative oxygen ions and preparation method of functional powder and auxiliary agent thereof |
| CN111733476A (en) * | 2020-07-01 | 2020-10-02 | 梁瑞德 | Polyester fiber containing negative oxygen ions and preparation method thereof |
| CN112626865B (en) * | 2020-12-08 | 2023-01-10 | 福建恒安集团有限公司 | Preparation method of moisture-absorbing and breathable basement membrane |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1470682A (en) * | 2002-07-26 | 2004-01-28 | 上海弘康科技发展有限公司 | Method for preparing fiber with negative ion far infrared antibacterial health-care function and product thereof |
| CN106192054A (en) * | 2016-07-21 | 2016-12-07 | 张家港市安顺科技发展有限公司 | Environment-friendly type regeneration negative ion far-infrared function flame retardant polyester staple fibre |
-
2017
- 2017-11-03 CN CN201711067257.9A patent/CN107740201B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1470682A (en) * | 2002-07-26 | 2004-01-28 | 上海弘康科技发展有限公司 | Method for preparing fiber with negative ion far infrared antibacterial health-care function and product thereof |
| CN106192054A (en) * | 2016-07-21 | 2016-12-07 | 张家港市安顺科技发展有限公司 | Environment-friendly type regeneration negative ion far-infrared function flame retardant polyester staple fibre |
Non-Patent Citations (1)
| Title |
|---|
| 高效负离子远红外复合粉在涤纶短纤中的应用;***等;《第五届功能性纺织品及纳米技术研讨会论文集》;20050501;第106-110页 * |
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