CN112481729A - Chinlon macrobiotic fiber containing ginseng, ganoderma lucidum, medlar and saffron and preparation method thereof - Google Patents

Abstract

The invention relates to the technical field of nylon fiber production, in particular to nylon macrobiological fiber containing ginseng, lucid ganoderma, medlar and saffron and a preparation method thereof; the weight percentage of the modifier in the nylon macrobiological fiber is 12-18%, and the balance is nylon chips; the modifier is composed of the following raw materials in parts by weight: 20-30 parts of composite traditional Chinese medicine extract powder, 12-16 parts of modified diatomite, 8-13 parts of medical stone, 4-7 parts of tourmaline, 5-9 parts of additive and 2-5 parts of ultraviolet absorbent; the prepared chinlon macrobiotic fiber not only has good antibacterial performance and health-care performance, but also has good air permeability and antistatic performance; so that the quality of the prepared chinlon macrobiotic fiber is effectively improved.

Description

Chinlon macrobiotic fiber containing ginseng, ganoderma lucidum, medlar and saffron and preparation method thereof

Technical Field

The invention relates to the technical field of fiber production, in particular to chinlon macrobiotic fiber containing ginseng, lucid ganoderma, medlar and saffron and a preparation method thereof.

Background

Chinlon, also known as nylon, has a density of 1.15g/cm, is a generic name for thermoplastic resins containing a repeating amide group- [ NHCO ] -in the molecular main chain, and includes aliphatic PA, aliphatic-aromatic PA and aromatic PA. The aliphatic PA has many varieties, large yield and wide application, and the name is determined by the specific carbon atom number of the synthetic monomer. Nylon is a term for polyamide fiber (nylon) and can be made into long fibers or short fibers. Chinlon is a trade name for polyamide fibers, and the basic constituent substance of the chinlon is aliphatic polyamide which is connected through amido bonds- [ NHCO ] -.

Because the nylon fiber has the advantages of good wear resistance, good elasticity, light weight, corrosion resistance, worm-eating resistance, difficult mildewing and the like, the nylon fiber is widely used in the fields of clothing, carpets, outdoor tents and the like. The patent document with the Chinese patent application number of CN202010641184.5 discloses a preparation method of nylon fiber and the patent document with the patent application number of CN201810341990.3 discloses a preparation method of nylon fiber with good sagging sense, although the nylon fiber prepared by the two patent documents has certain antibacterial performance, the antibacterial performance is relatively poor, the nylon fiber does not have a health care function and an antistatic function, the functions are relatively single, and the performance and the quality of the prepared nylon macrobio-fiber are influenced.

Disclosure of Invention

Aiming at the defects in the prior art, the first purpose of the invention is to provide the chinlon macrobiotic fiber containing ginseng, lucid ganoderma, medlar and saffron crocus, and the chinlon macrobiotic fiber prepared by the invention not only has good antibacterial performance and health care performance, but also has good air permeability and antistatic performance; so that the quality of the prepared chinlon macrobiotic fiber is effectively improved.

In order to achieve the purpose, the invention provides the following technical scheme:

the nylon macrobiotic fiber contains 12-18% of modifiers by weight and the balance nylon chips by weight, wherein the nylon macrobiotic fiber contains ginseng, lucid ganoderma, medlar and saffron crocus; and the modifier consists of the following raw materials in parts by weight: 20-30 parts of composite traditional Chinese medicine extract powder, 12-16 parts of modified diatomite, 8-13 parts of medical stone, 4-7 parts of tourmaline, 5-9 parts of additive and 2-5 parts of ultraviolet absorbent.

By adopting the technical scheme: in the invention, chinlon chips and a modifier are used as raw materials for preparing chinlon macrobiological fibers; the use of the composite traditional Chinese medicine extract powder in the modifier ensures that the prepared chinlon macrobiotic fiber also has certain medicinal and health-care values; in addition, the tourmaline, the medical stone and the modified diatomite are matched for use, so that a certain amount of negative ions can be effectively released, the health-care performance of the prepared nylon macrobio-fiber is improved, the antibacterial performance and the air permeability of the nylon macrobio-fiber can be effectively improved, and the quality of the prepared nylon macrobio-fiber is improved.

The invention is further configured to: all the components in the modifier are ground until the particle size is 300-400 meshes.

By adopting the technical scheme: the components in the modifier are ground to the particle size of 300-400 meshes, so that the components can be fully mixed with the nylon chips and uniformly dispersed in the nylon chips, and different performances of the prepared nylon macrobiological fiber are effectively improved.

The invention is further configured to: the preparation method of the composite traditional Chinese medicine extract powder comprises the following steps:

accurately weighing 8-12 parts of ginseng, 5-9 parts of lucid ganoderma, 12-18 parts of medlar and 4-7 parts of saffron crocus according to weight components; respectively washing the Chinese medicinal herbs by using clear water, then placing the Chinese medicinal herbs in a constant-temperature drying box, and respectively drying the Chinese medicinal herbs at the temperature of 60-80 ℃;

II, putting the dried traditional Chinese medicine components in the step I into a grinder for grinding treatment, sieving the traditional Chinese medicine components with a 300-400-mesh sieve, then respectively transferring the traditional Chinese medicine micro powder into an ultrasonic stirrer, adding a proper amount of ethanol solution, ultrasonically stirring for 20-30 min, transferring the obtained mixed solution into a reflux extraction device, carrying out reflux extraction on the obtained mixed solution for 3-4 times, setting the time for each reflux extraction to be 30-50 min, and combining the extracting solutions after the reflux extraction is finished; storing for later use;

and III, carrying out reduced pressure concentration on the mixed solution of the extracting solution obtained in the step II for 90-120 min under the conditions that the temperature is 70-85 ℃ and the pressure is 0.07-0.09 Mpa, then adjusting the pH value of the obtained concentrated solution to 2.3-2.8 by using citric acid, filtering out the precipitate, and drying the obtained precipitate at the temperature of 65-75 ℃ to obtain the powder of the composite traditional Chinese medicine extract.

By adopting the technical scheme: according to the invention, ginseng, ganoderma lucidum, medlar and saffron are used as raw materials for extracting powder from the composite traditional Chinese medicine, wherein the traditional Chinese medicine components are crushed to enable the particle size of each traditional Chinese medicine component to be 300-400 meshes, and then the traditional Chinese medicine components are subjected to reflux extraction for a plurality of times through an ethanol solution, so that the extraction efficiency of each traditional Chinese medicine component is effectively improved, and meanwhile, the waste of each traditional Chinese medicine component is reduced; and carrying out vacuum concentration, filtration and drying on the obtained extraction mixed solution after reflux extraction to finally prepare the composite traditional Chinese medicine extract powder with higher concentration. The prepared composite traditional Chinese medicine extract powder is used as an effective component of the modifier, so that the prepared nylon macrobiotic fiber also has certain medicinal and health-care values, and the quality of the nylon macrobiotic fiber are effectively improved.

The invention is further configured to: the preparation method of the modified diatomite comprises the following steps:

grinding the weighed diatomite to a particle size of 300-400 meshes, then placing the diatomite in a muffle furnace, calcining the diatomite at a high temperature of 500-580 ℃ for 3-4 hours, taking out the diatomite, and naturally cooling the diatomite to room temperature; then adding an ethanol solution with the mass of 3-5 times and the concentration of 60% into the calcined diatomite powder, and dropwise adding an acetic acid solution into the ethanol solution to adjust the pH value of a mixed system of the diatomite powder to 3.2-3.8; pre-stirring for 20-35 min in a water bath kettle at the temperature of 60-75 ℃, dropwise adding an organosilicon quaternary ammonium salt antibacterial finishing agent with the mass of 15-22% of diatomite powder, continuously stirring for 80-120 min, and recovering ethanol through reduced pressure distillation to obtain a modified diatomite finished product.

By adopting the technical scheme: according to the invention, the diatomite is subjected to high-temperature calcination treatment, so that not only can organic matters in the diatomite be effectively removed, but also silicon in the diatomite can be completely converted into silicon dioxide. More micropores are generated on the surface and inside of the calcined diatomite, so that the specific surface area and porosity of the diatomite are effectively increased, and the sterilization performance, moisture retention performance and air permeability of the prepared nylon macrobio-fiber are further improved.

The invention is further configured to: the additive is sodium pyrrolidone carboxylate.

By adopting the technical scheme: the use of the sodium pyrrolidone carboxylate can effectively improve the moisture retention performance of the nylon macrobiotic fiber prepared by the invention and can also effectively reduce the antistatic performance of the prepared nylon macrobiotic fiber.

The invention is further configured to: the concentration of the ethanol solution used in the step II is 60-75%, and the frequency of ultrasonic stirring is 25-35 KHz.

By adopting the technical scheme: the ethanol solution can be used for efficiently reflux-extracting the active ingredients in various medicinal components, and before reflux-extracting the various medicinal components, the various medicinal components are ultrasonically stirred, so that the Chinese medicinal components can be ensured to be fully contacted with the ethanol solution, the subsequent reflux-extracting operation is facilitated, the extraction efficiency of the Chinese medicinal components is improved, and the utilization rate of the Chinese medicinal components is also improved.

The invention is further configured to: the organic silicon quaternary ammonium salt antibacterial finishing agent is any one of organic silicon quaternary ammonium salt antibacterial finishing agent ASQA or organic silicon sanitary finishing agent KGS-999.

By adopting the technical scheme: the specific surface area and the porosity of the diatomite are greatly improved in the later period of high-temperature calcination, and then the surface of the diatomite is chemically modified by the organosilicon quaternary ammonium salt antibacterial finishing agent, so that the surface and the porosity of the diatomite are associated by chemical bonds which can be larger, the organosilicon quaternary ammonium salt antibacterial finishing agent is grafted to the surface and the pores of the diatomite, and the antibacterial performance of the nylon macrobio-fiber prepared by the method is effectively enhanced.

The invention is further configured to: the ultraviolet absorbent is any one of ultraviolet absorbent UVP-327 and ultraviolet absorbent UV-366.

By adopting the technical scheme: the invention adopts the ultraviolet absorbent as one of the raw materials for preparing the nylon macrobio-fiber, the use of the ultraviolet absorbent can not only have good absorption effect on ultraviolet rays, but also effectively prevent the ultraviolet rays from damaging the prepared nylon macrobio-fiber, and greatly improve the anti-aging performance of the nylon macrobio-fiber.

The second purpose of the invention is to provide a preparation method of chinlon macrobiotic fiber containing ginseng, ganoderma lucidum, medlar and saffron, which comprises the following steps:

s1, accurately weighing the modifier and 5-8% of nylon chips according to the weight ratio, transferring one of the modifier and the nylon chips into a double-screw extruder, and carrying out melt blending extrusion and grain cutting to obtain functional master batches;

wherein, the screw rod during extrusion melting is divided into six regions altogether, and the temperature in six regions is respectively: 295-315 ℃, 280-290 ℃, 290-300 ℃, 295-310 ℃, 295-305 ℃ and 285-295 ℃;

s2, transferring the functional master batch obtained in the step S1 and the rest of nylon chips into a spinning machine together for melt spinning to obtain fiber tows; wherein the spinning speed is 2400-2600 m/min;

s3, air cooling the fiber tows by adopting air cooling equipment, and oiling by adopting a polyamide oiling agent;

the cross section of the fiber and the spinning window form a set angle, the angle takes the lateral blowing surface as a reference, the blowing angle is 25-55 degrees, and the wind speed is 0.35-0.55 m/s;

s4, stretching and shaping the fiber tows, wherein four pairs of rollers are adopted during stretching and shaping; then fully automatically winding the stretched and shaped fiber tows, and obtaining a finished product of the chinlon macrobiological fiber containing ginseng, lucid ganoderma, medlar and saffron after the winding is finished;

wherein, the temperature of the four pairs of rollers is respectively set as: 110-120 ℃, 128-138 ℃, 180-190 ℃ and 175-185 ℃.

By adopting the technical scheme: the raw materials are melted and then spun, so that the finally prepared chinlon macrobio-fiber not only has good antibacterial performance and health-care performance, but also has good air permeability and antistatic performance. So that the quality of the prepared chinlon macrobiotic fiber is effectively improved.

Advantageous effects

Compared with the known public technology, the technical scheme provided by the invention has the following beneficial effects:

1. the use of the composite traditional Chinese medicine extract powder in the modifier ensures that the prepared chinlon macrobiotic fiber also has certain medicinal and health-care values; in addition, the tourmaline, the medical stone and the modified diatomite are matched for use, so that a certain amount of negative ions can be effectively released, the health-care performance of the prepared nylon macrobio-fiber is improved, the antibacterial performance and the air permeability of the nylon macrobio-fiber can be effectively improved, and the quality of the prepared nylon macrobio-fiber is improved.

2. According to the invention, the diatomite is subjected to high-temperature calcination treatment, so that not only can organic matters in the diatomite be effectively removed, but also silicon in the diatomite can be completely converted into silicon dioxide. More micropores are generated on the surface and inside of the calcined diatomite, so that the specific surface area and porosity of the diatomite are effectively increased, and the sterilization performance, moisture retention performance and air permeability of the prepared nylon macrobio-fiber are further improved.

3. The specific surface area and the porosity of the diatomite are greatly improved in the later period of high-temperature calcination, and then the surface of the diatomite is chemically modified by the organic silicon quaternary ammonium salt antibacterial finishing agent, so that the diatomite and the diatomite are associated by chemical bonds with larger capacity (inorganic functional groups in the organic silicon quaternary ammonium salt antibacterial finishing agent and silicon oxygen bonds in the diatomite are bonded by chemical reaction), the organic silicon quaternary ammonium salt antibacterial finishing agent is grafted to the surface and the pores of the diatomite, and the antibacterial performance of the nylon macrobio fiber prepared by the invention is effectively enhanced.

4. The external absorbent has good absorption effect on ultraviolet rays, can effectively prevent the ultraviolet rays from damaging the prepared nylon macrobio-fiber, and greatly improves the anti-aging performance of the nylon macrobio-fiber. The use of the sodium pyrrolidone carboxylate can effectively improve the moisture retention performance of the nylon macrobiotic fiber prepared by the invention and can also effectively reduce the antistatic performance of the prepared nylon macrobiotic fiber.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below. It is to be understood that the embodiments described are only a few embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

The present invention will be further described with reference to the following examples.

Example 1

The nylon macrobiotic fiber contains 12 percent of modifier by weight and the balance of nylon slices; the modifier is composed of the following raw materials in parts by weight: 20 parts of composite traditional Chinese medicine extract powder, 12 parts of modified diatomite, 8 parts of medical stone, 4 parts of tourmaline, 5 parts of additive and 2 parts of ultraviolet absorbent.

All the components in the modifier are ground to the particle size of 300 meshes.

The preparation method of the composite traditional Chinese medicine extract powder comprises the following steps:

accurately weighing 8 parts of ginseng, 5 parts of lucid ganoderma, 12 parts of medlar and 4 parts of saffron crocus respectively according to the weight components; respectively washing with clear water, placing in a constant temperature drying oven, and drying the Chinese medicinal materials at 60 deg.C;

II, putting the dried traditional Chinese medicine components in the step I into a grinder for grinding, sieving by a 300-mesh sieve, then respectively transferring the traditional Chinese medicine micro powder into an ultrasonic stirrer, adding a proper amount of ethanol solution, ultrasonically stirring for 20min, transferring the obtained mixed solution into a reflux extraction device, carrying out reflux extraction on the obtained mixed solution for 3 times, setting the time of each reflux extraction to be 30min, and combining the extracting solutions after the reflux extraction is finished; storing for later use;

and III, carrying out reduced pressure concentration on the mixed solution of the extracting solution obtained in the step II for 90min at the temperature of 70 ℃ and the pressure of 0.07Mpa, then adjusting the pH value of the obtained concentrated solution to 2.3 by using citric acid, filtering out precipitates, and drying the obtained precipitates at the temperature of 65 ℃ to obtain powder, namely the composite traditional Chinese medicine extract powder.

The preparation method of the modified diatomite comprises the following steps:

grinding the weighed diatomite to a particle size of 300 meshes, then placing the diatomite in a muffle furnace, calcining the diatomite at a high temperature of 500 ℃ for 3 hours, taking out the diatomite, and naturally cooling the diatomite to room temperature; then adding an ethanol solution with the mass being 3 times that of the calcined diatomite powder and the concentration being 60 percent into the calcined diatomite powder, and dropwise adding an acetic acid solution into the ethanol solution to adjust the pH value of a mixed system of the diatomite powder to 3.2; pre-stirring in a water bath kettle at 60 ℃ for 20min, dropwise adding organosilicon quaternary ammonium salt antibacterial finishing agent with the mass being 15% of diatomite powder, continuously stirring for 80min, and recovering ethanol through reduced pressure distillation to obtain the modified diatomite finished product.

The additive is sodium pyrrolidone carboxylate.

The concentration of the ethanol solution used in the step II is 60%, and the frequency of ultrasonic stirring is 25 KHz.

The organosilicon quaternary ammonium salt antibacterial finishing agent is organosilicon quaternary ammonium salt antibacterial finishing agent ASQA.

The ultraviolet absorbent is ultraviolet absorbent UVP-327.

The preparation method of the chinlon macrobiotic fiber containing ginseng, ganoderma lucidum, medlar and saffron comprises the following steps:

s1, accurately weighing the modifier and 5% of nylon chips according to the weight ratio, transferring one of the modifier and the nylon chips into a double-screw extruder, and carrying out melt blending extrusion and grain cutting to obtain functional master batches;

wherein, the screw rod during extrusion melting is divided into six regions altogether, and the temperature in six regions is respectively: 295 ℃, 280 ℃, 290 ℃, 295 ℃ and 285 ℃;

s2, transferring the functional master batch obtained in the step S1 and the rest of nylon chips into a spinning machine together for melt spinning to obtain fiber tows; wherein the spinning speed is 2400 m/min;

s3, air cooling the fiber tows by adopting air cooling equipment, and oiling by adopting a polyamide oiling agent;

the cross section of the fiber and the spinning window form a set angle, the angle takes the lateral blowing surface as a reference, the blowing angle is 25 degrees, and the wind speed is 0.35 m/s;

s4, stretching and shaping the fiber tows, wherein four pairs of rollers are adopted during stretching and shaping; then fully automatically winding the stretched and shaped fiber tows, and obtaining a finished product of the chinlon macrobiological fiber containing ginseng, lucid ganoderma, medlar and saffron after the winding is finished;

wherein, the temperature of the four pairs of rollers is respectively set as: 110 deg.C, 128 deg.C, 180 deg.C, 175 deg.C.

Example 2

The raw materials and the preparation method of the chinlon macrobiological fiber provided by the embodiment are substantially the same as those of the embodiment 1, and the main differences are as follows: the modifier consists of the following raw materials in parts by weight: 25 parts of composite traditional Chinese medicine extract powder, 14 parts of modified diatomite, 10 parts of medical stone, 5 parts of tourmaline, 7 parts of sodium pyrrolidone carboxylate and 3 parts of ultraviolet absorbent UV-366;

the organosilicon quaternary ammonium salt antibacterial finishing agent used in the preparation process of the modified diatomite selects an organosilicon hygienic finishing agent KGS-999;

example 3

The raw materials and the preparation method of the chinlon macrobiological fiber provided by the embodiment are substantially the same as those of the embodiment 1, and the main differences are as follows: the modifier consists of the following raw materials in parts by weight: 30 parts of composite traditional Chinese medicine extract powder, 16 parts of modified diatomite, 13 parts of medical stone, 7 parts of tourmaline, 9 parts of sodium pyrrolidone carboxylate and 5 parts of ultraviolet absorbent UVP-327;

the organosilicon quaternary ammonium salt antibacterial finishing agent used in the preparation process of the modified diatomite selects organosilicon quaternary ammonium salt antibacterial finishing agent ASQA;

comparative example 1

The raw materials and the preparation method of the chinlon macrobiological fiber provided by the embodiment are substantially the same as those of the embodiment 1, and the main differences are as follows: the modifier in the raw materials does not contain compound traditional Chinese medicine extract powder;

comparative example 2

The raw materials and the preparation method of the chinlon macrobiological fiber provided by the embodiment are substantially the same as those of the embodiment 1, and the main differences are as follows: the modifier in the raw materials does not contain modified diatomite;

comparative example 3

The raw materials and the preparation method of the chinlon macrobiological fiber provided by the embodiment are substantially the same as those of the embodiment 1, and the main differences are as follows: the modifier in the raw materials does not contain additive sodium pyrrolidone carboxylate;

comparative example 4

The raw materials and the preparation method of the chinlon macrobiological fiber provided by the embodiment are substantially the same as those of the embodiment 1, and the main differences are as follows: the modifier in the raw materials does not contain an ultraviolet absorbent;

performance testing

The nylon macrobio fiber prepared in the examples 1-3 and the comparative examples 1-4 is taken to be made into a nylon macrobio fiber fabric through a nylon macrobio fiber spinning production line, and the related performance of the prepared nylon macrobio fiber fabric is detected, wherein the detection method comprises the following steps:

1. according to GB/T20944.2-2007 evaluation part 2 of antibacterial properties of textiles: the absorption method tests the antibacterial property of each chinlon large biological fiber fabric, expresses the inhibition rate of staphylococcus aureus and the inhibition rate of escherichia coli, and records the obtained test results in table 1;

TABLE 1

2. According to the standard of SFJJ-QWX25-2006 anion concentration inspection detailed rule, the concentration of the anions generated by the nylon large biological fiber fabric is respectively measured, and the obtained data is recorded in a table 2;

3. respectively detecting the volume specific resistance of the chinlon large biological fiber fabric according to the national standard GB/T14342 + 1993, and recording the obtained data in a table 2;

4. respectively detecting the average moisture regain of the chinlon large biological fiber fabrics according to the national standard GB/T6503-2001, and recording the obtained data in a table 2;

5. respectively detecting the breaking strength and the breaking elongation of the chinlon macrobio-fiber fabric according to the national standard GB/T14344-1993, and recording the obtained data in a table 2;

TABLE 2

6. Respectively detecting the ultraviolet resistance (including UPF and UVA transmissivity) of the chinlon large biological fiber fabric according to the national standard GB/T18830, and recording the obtained data in a table 3;

7. respectively detecting the air permeability of the chinlon macro-biological fiber fabric according to the national standard GB/T12704, and recording the obtained data in a table 3;

TABLE 3

Test items	Air permeability (L/mm/s)	UPF	UVA transmittance/%)
				Example 1	10.5	62	1.23
Example 2	10.8	65	1.18
				Example 3	11.2	68	1.11
Comparative example 1	10.2	60	1.25
				Comparative example 2	8.2	57	1.27
Comparative example 3	10.3	61	1.24
				Comparative example 4	10.6	45	2.34

By analyzing the relevant data in the tables, the chinlon macrobiotic fiber prepared by the method has good antibacterial performance and health-care performance, and also has good air permeability and antistatic performance. So that the quality of the prepared chinlon macrobiotic fiber is effectively improved. Therefore, the chinlon macrobiotic fiber prepared by the invention has wider market prospect and is more suitable for popularization.

The above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the corresponding technical solutions.

Claims (9)

1. The chinlon macrobiotic fiber containing ginseng, glossy ganoderma, medlar and saffron is characterized in that: the weight percentage of the modifier in the nylon macrobiological fiber is 12-18%, and the balance is nylon chips; and the modifier consists of the following raw materials in parts by weight: 20-30 parts of composite traditional Chinese medicine extract powder, 12-16 parts of modified diatomite, 8-13 parts of medical stone, 4-7 parts of tourmaline, 5-9 parts of additive and 2-5 parts of ultraviolet absorbent.

2. The chinlon macrobio-fiber containing ginseng, ganoderma lucidum, medlar and saffron crocus according to claim 1, which is characterized in that: all the components in the modifier are ground until the particle size is 300-400 meshes.

3. The chinlon macrobiotic fiber containing ginseng, ganoderma lucidum, medlar and saffron crocus as claimed in claim 1, wherein the preparation method of the composite traditional Chinese medicine extract powder comprises the following steps:

accurately weighing 8-12 parts of ginseng, 5-9 parts of lucid ganoderma, 12-18 parts of medlar and 4-7 parts of saffron crocus according to weight components; respectively washing the Chinese medicinal herbs by using clear water, then placing the Chinese medicinal herbs in a constant-temperature drying box, and respectively drying the Chinese medicinal herbs at the temperature of 60-80 ℃;

II, putting the dried traditional Chinese medicine components in the step I into a grinder for grinding treatment, sieving the traditional Chinese medicine components with a 300-400-mesh sieve, then respectively transferring the traditional Chinese medicine micro powder into an ultrasonic stirrer, adding a proper amount of ethanol solution, ultrasonically stirring for 20-30 min, transferring the obtained mixed solution into a reflux extraction device, carrying out reflux extraction on the obtained mixed solution for 3-4 times, setting the time for each reflux extraction to be 30-50 min, and combining the extracting solutions after the reflux extraction is finished; storing for later use;

and III, carrying out reduced pressure concentration on the mixed solution of the extracting solution obtained in the step II for 90-120 min under the conditions that the temperature is 70-85 ℃ and the pressure is 0.07-0.09 Mpa, then adjusting the pH value of the obtained concentrated solution to 2.3-2.8 by using citric acid, filtering out the precipitate, and drying the obtained precipitate at the temperature of 65-75 ℃ to obtain the powder of the composite traditional Chinese medicine extract.

4. The chinlon macrobio-fiber containing ginseng, ganoderma lucidum, medlar and saffron crocus according to claim 1, wherein the preparation method of the modified diatomite comprises the following steps:

grinding the weighed diatomite to a particle size of 300-400 meshes, then placing the diatomite in a muffle furnace, calcining the diatomite at a high temperature of 500-580 ℃ for 3-4 hours, taking out the diatomite, and naturally cooling the diatomite to room temperature; then adding an ethanol solution with the mass of 3-5 times and the concentration of 60% into the calcined diatomite powder, and dropwise adding an acetic acid solution into the ethanol solution to adjust the pH value of a mixed system of the diatomite powder to 3.2-3.8; pre-stirring for 20-35 min in a water bath kettle at the temperature of 60-75 ℃, dropwise adding an organosilicon quaternary ammonium salt antibacterial finishing agent with the mass of 15-22% of diatomite powder, continuously stirring for 80-120 min, and recovering ethanol through reduced pressure distillation to obtain a modified diatomite finished product.

5. The chinlon macrobio-fiber containing ginseng, ganoderma lucidum, medlar and saffron crocus according to claim 1, which is characterized in that: the additive is sodium pyrrolidone carboxylate.

6. The chinlon macrobio-fiber containing ginseng, ganoderma lucidum, medlar and saffron crocus according to claim 3, which is characterized in that: the concentration of the ethanol solution used in the step II is 60-75%, and the frequency of ultrasonic stirring is 25-35 KHz.

7. The chinlon macrobio-fiber containing ginseng, ganoderma lucidum, medlar and saffron crocus according to claim 4, which is characterized in that: the organic silicon quaternary ammonium salt antibacterial finishing agent is any one of organic silicon quaternary ammonium salt antibacterial finishing agent ASQA or organic silicon sanitary finishing agent KGS-999.

8. The chinlon macrobio-fiber containing ginseng, ganoderma lucidum, medlar and saffron crocus according to claim 1, which is characterized in that: the ultraviolet absorbent is any one of ultraviolet absorbent UVP-327 and ultraviolet absorbent UV-366.

9. The preparation method of the chinlon macrobiological fiber containing ginseng, ganoderma lucidum, medlar and saffron crocus according to any one of claims 1 to 8, which is characterized by comprising the following steps:

s1, accurately weighing the modifier and 5-8% of nylon chips according to the weight ratio, transferring one of the modifier and the nylon chips into a double-screw extruder, and carrying out melt blending extrusion and grain cutting to obtain functional master batches;

wherein, the screw rod during extrusion melting is divided into six regions altogether, and the temperature in six regions is respectively: 295-315 ℃, 280-290 ℃, 290-300 ℃, 295-310 ℃, 295-305 ℃ and 285-295 ℃;

s2, transferring the functional master batch obtained in the step S1 and the rest of nylon chips into a spinning machine together for melt spinning to obtain fiber tows; wherein the spinning speed is 2400-2600 m/min;

s3, air cooling the fiber tows by adopting air cooling equipment, and oiling by adopting a polyamide oiling agent;

the cross section of the fiber and the spinning window form a set angle, the angle takes the lateral blowing surface as a reference, the blowing angle is 25-55 degrees, and the wind speed is 0.35-0.55 m/s;

s4, stretching and shaping the fiber tows, wherein four pairs of rollers are adopted during stretching and shaping; then fully automatically winding the stretched and shaped fiber tows, and obtaining a finished product of the chinlon macrobiological fiber containing ginseng, lucid ganoderma, medlar and saffron after the winding is finished;

wherein, the temperature of the four pairs of rollers is respectively set as: 110-120 ℃, 128-138 ℃, 180-190 ℃ and 175-185 ℃.