Dacron macrobiological fiber containing active ingredients of Curcuma parvifolia and preparation method thereof

文档序号:149820 发布日期:2021-10-26 浏览:24次 中文

阅读说明:本技术 含小黄姜活性成分的涤纶大生物纤维及其制备方法 (Dacron macrobiological fiber containing active ingredients of Curcuma parvifolia and preparation method thereof ) 是由 黄效华 刘辉 甄丽 池姗 于 2021-06-29 设计创作,主要内容包括:本发明提供了含小黄姜活性成分的涤纶大生物纤维及其制备方法,该含小黄姜活性成分的涤纶大生物纤维由包括如下重量份的原料制成:涤纶颗粒30-50;涤纶切片100-130。本发明通过提取小黄姜活性成分,将其融入到涤纶大纤维中,可以大大的提高此涤纶大纤维在使用时的功能,同时对金黄色葡萄球菌、大肠杆菌、白色念珠菌的抑菌率高于95%,有较强的抑菌功能。(The invention provides a polyester macrobiotic fiber containing active ingredients of Curcuma parvum and a preparation method thereof, wherein the polyester macrobiotic fiber containing the active ingredients of Curcuma parvum is prepared from the following raw materials in parts by weight: 30-50 of polyester particles; dacron chip 100-. According to the invention, active ingredients of the Curcuma rhizome are extracted and blended into the polyester macrofiber, so that the function of the polyester macrofiber in use can be greatly improved, and meanwhile, the bacteriostatic rate of the Curcuma rhizome macrofiber on staphylococcus aureus, escherichia coli and candida albicans is higher than 95%, and the Curcuma rhizome macrofiber has a strong bacteriostatic function.)

1. The dacron macrobiotic fiber containing the active ingredients of the parvum officinale is characterized in that: the dacron macrobiotic fiber containing active ingredients of the parvum officinale is prepared from the following raw materials in parts by weight:

2. the dacron macrobio fiber containing active ingredients of parvalla as claimed in claim 1, wherein: the polyester macrobiotic fiber containing the active ingredients of the parvum officinale is prepared from the following raw materials in parts by weight:

3. the dacron macrobio fiber containing active ingredients of parvalla as claimed in claim 1, wherein: the polyester macrobiotic fiber containing the active ingredients of the parvum officinale is prepared from the following raw materials in parts by weight:

4. the dacron macrobio fiber containing active ingredients of parva according to any one of claims 1 to 3, wherein: the active ingredients of the parvalbum comprises ginger essential oil, gingerol, ginger protease and diphenylheptane substances, the gingerol contains shogaols, gingediols, gingerols, zingiberones, gingerols, zingerones and paragingerol, wherein the gingerol accounts for the largest proportion, the 6-gingerol content is the largest, and the ratio of the gingerol to the total gingerol content exceeds 75%.

5. The preparation method of the dacron macrobiotic fiber containing the active ingredients of the parlor yellow ginger is characterized in that the preparation method comprises the following steps of: the method comprises the following steps:

s101, extracting active ingredients of small yellow ginger

Extracting active ingredients of the turmeric by using an ultrasonic-assisted solvent extraction technology: accurately weighing 10-30g of small turmeric powder into 500mL of triangular flask with a stopper, adding 200-300mL of anhydrous ethanol, carrying out ultrasonic treatment for 30-60min at the temperature of 50-60 ℃ and the power of 100-200W, filtering and drying for later use;

the granularity of the small yellow ginger powder is 100-200 meshes;

s102, preparation of mesoporous SiO2 nanoparticles

Preparing SiO2 nano microspheres by a sol-gel method: weighing 0.1-1g CTAB to be dissolved in 1000mL deionized water, stirring at 30-60 ℃ and 60-120 r/min. After the solution is clarified, dropwise adding NaOH solution, and adjusting the pH to 10-12; subsequently, the temperature is raised to 70-90 ℃; adding 2-5mL TEOS after 30-60min, and continuously stirring for 1-3h at 70-90 ℃; standing the obtained white suspension, cooling to room temperature, centrifuging at the rotation speed of 8000-10000r/min, repeatedly washing with deionized water and absolute ethyl alcohol for 3-5 times, drying the obtained white gel in a vacuum drying oven for 8-24h, placing the dried sample in a muffle furnace, and calcining at the temperature of 500-600 ℃ for 4-8 h; cooling to obtain white solid powder, namely mesoporous SiO2 nano particles, and grinding and crushing for later use;

the prepared mesoporous SiO2 nano-particles have the particle size of 100-200nm, the pore diameter of 2.5-3.5nm and the specific surface area of 700-800m 2/g;

s103. preparation of molecular nest

Preparing the active ingredients of the small yellow gingers extracted in the step S101 into a solution with a certain concentration; weighing 8-20g of mesoporous SiO2 nano powder and 0.005-0.05g of dispersant, sequentially adding into 500mL of deionized water, and shearing and dispersing by using a magnetic stirrer at the speed of 100-300 r/min; obtaining a nano composite dispersion liquid containing active ingredients, volatilizing a solvent to obtain a mesoporous SiO2 molecular nest containing the active ingredients of the parvum officinale, and grinding and crushing for later use;

the amount of the carrier (D) is calculated by the following equation:

in the formula: ma: mass of bioactive ingredient in supernatant, g; mb: mass of bioactive ingredient added into the system, g; mdl: mass of molecular nest, g;

the carrier amount of the molecular nest is 60-70%;

the dispersant is one or more of XD-5040, BYK-111, ECO2500 and DH-5038.

The particle size of the mesoporous SiO2 nano-particles containing the active ingredients of the small yellow gingers is 8000-10000 meshes;

s104. preparation of functional PET master batch containing molecular nest

Vacuum drying the molecular nest and the polyester chip prepared in the step S103 at 180 ℃ for 24 hours; then adding the dispersing agent, the antioxidant and the coupling agent into a double-screw extruder according to a certain proportion, mixing and granulating to obtain functional PE master batch containing molecular nests;

the ratio of the molecular nest to the polyester chip is 1: 9-20;

the dispersant is one or more of BYK-111, XD-5040, ECO2500 and DH-5038;

the dosage of the molecular nest is 5-15%;

s105, preparation of polyester macrobio-fiber containing active ingredients of litsea cubeba

Respectively adding the functional master batch containing the molecular nest and common PET slices into a double-screw extruder, and synchronously adding polyester particles and polyester slices in equal proportion; then, adding a dispersing agent, an antioxidant and a coupling agent, heating, melting, mixing, filtering, spinning, cooling, drawing and oiling to prepare the dacron macrobiosis containing active ingredients of the parvum yellow ginger;

the ratio of the functional master batch of the molecular nest to the common PET slices is 1: 20-99;

the dispersant is one or more of PT-200E, triethylhexyl phosphoric acid, F-604, sodium dodecyl sulfate and fatty acid polyglycol ester; the dosage is 0.1-0.4%;

the antioxidant is one or more of antioxidant 1098, antioxidant KB-6 and JADEWIN AN B215;

the coupling agent is one or more of silane coupling agents KH-550, Z-6020, Z-6030, Z-6040, Z-6070, KH-570 and KH-560; the dosage of the mesoporous SiO2 molecular nest is 0.1-0.5%.

Technical Field

The invention belongs to the technical field of fibers, and particularly relates to a polyester macrobiotic fiber containing active ingredients of Curcuma rhizome and a preparation method thereof.

Background

Polyester, also called polyester fiber, is a synthetic fiber obtained by spinning polyester formed by polycondensation of organic dibasic acid and dihydric alcohol, abbreviated as PET fiber, belongs to a macromolecular compound, and is used as a first large synthetic fiber, which not only has the advantages of excellent stretching property and anti-shrinkage property, high elastic modulus and breaking strength, good resilience property, good thermoplasticity, heat resistance, light resistance, stable size and the like, but also has low price, so that the polyester fiber is widely applied to the clothing industry, and the large biological fiber is an active fiber with biological functions produced by adding bioactive molecules into fibers (cotton, hemp, wool, silk, viscose, polyester, nitrile, brocade and the like) for modification. Therefore, the polyester macrobiological fiber is modified by utilizing bioactive molecules in ginseng/lucid ganoderma/medlar/saffron crocus to endow the polyester fiber with corresponding biological functions.

However, when the existing polyester macrobiotic fiber is used, the antibacterial effect is poor, the using function is single, and the fire resistance is poor.

Disclosure of Invention

In view of the above, the present invention aims to provide a dacron macrobiotic fiber containing active ingredients of Curcuma rhizome and a preparation method thereof, so as to solve the problems mentioned in the background art.

In order to achieve the purpose, the technical scheme of the invention is realized as follows:

the dacron macrobiotic fiber containing the active ingredients of the parlor turmeric is prepared from the following raw materials in parts by weight:

further, the polyester macrobiotic fiber containing the active ingredients of the parvum officinale is prepared from the following raw materials in parts by weight:

further, the polyester macrobiotic fiber containing the active ingredients of the parvum officinale is prepared from the following raw materials in parts by weight:

furthermore, the active ingredients of the parvalnut include ginger essential oil, gingerol, ginger protease and diphenylheptane substances, the gingerol contains shogaols, gingerol, zingiberones, gingerol and paragingerol, wherein the percentage of gingerol is the largest, the content of 6-gingerol is the largest, and the ratio of the gingerol to the total content of gingerol exceeds 75%.

The preparation method of the dacron macrobiotic fiber containing the active ingredients of the parvum officinale comprises the following steps:

s101, extracting active ingredients of small yellow ginger

Extracting active ingredients of the turmeric by using an ultrasonic-assisted solvent extraction technology: accurately weighing 10-30g of small turmeric powder into 500mL of triangular flask with a stopper, adding 200-300mL of anhydrous ethanol, carrying out ultrasonic treatment for 30-60min at the temperature of 50-60 ℃ and the power of 100-200W, filtering and drying for later use;

further, the particle size of the small yellow ginger powder is 100-200 meshes;

s102, preparation of mesoporous SiO2 nanoparticles

Preparing SiO2 nano microspheres by a sol-gel method: weighing 0.1-1g CTAB to be dissolved in 1000mL deionized water, stirring at 30-60 ℃ and 60-120 r/min. After the solution is clarified, dropwise adding NaOH solution, and adjusting the pH to 10-12; subsequently, the temperature is raised to 70-90 ℃; adding 2-5mL TEOS after 30-60min, and continuously stirring for 1-3h at 70-90 ℃; standing the obtained white suspension, cooling to room temperature, centrifuging at the rotation speed of 8000-10000r/min, repeatedly washing with deionized water and absolute ethyl alcohol for 3-5 times, drying the obtained white gel in a vacuum drying oven for 8-24h, placing the dried sample in a muffle furnace, and calcining at the temperature of 500-600 ℃ for 4-8 h; cooling to obtain white solid powder, namely mesoporous SiO2 nano particles, and grinding and crushing for later use.

Furthermore, the prepared mesoporous SiO2 nano-particles have the particle size of 100-200nm, the pore diameter of 2.5-3.5nm and the specific surface area of 700-800m 2/g;

s103. preparation of molecular nest

Preparing the active ingredients of the small yellow gingers extracted in the step S101 into a solution with a certain concentration; weighing 8-20g of mesoporous SiO2 nano powder and 0.005-0.05g of dispersant, sequentially adding into 500mL of deionized water, and shearing and dispersing by using a magnetic stirrer at the speed of 100-300 r/min; obtaining a nano composite dispersion liquid containing active ingredients, volatilizing the solvent of the dispersion liquid to obtain a mesoporous SiO2 molecular nest containing the active ingredients of the parvum officinale, and grinding and crushing for later use.

The amount of the carrier (D) is calculated by the following equation:

in the formula: ma: mass of bioactive ingredient in supernatant, g; mb: mass of bioactive ingredient added into the system, g; mdl: mass of molecular nest, g.

Further, the carrier amount of the molecular nest is 60-70%;

further, the dispersant is one or more of XD-5040, BYK-111, ECO2500 and DH-5038;

further, the particle size of the mesoporous SiO2 nanoparticles containing the active component of the litsea cubeba is 8000-10000 meshes;

s104. preparation of functional PET master batch containing molecular nest

Vacuum drying the molecular nest and the polyester chip prepared in the step S103 at 180 ℃ for 24 hours; then adding the dispersing agent, the antioxidant and the coupling agent into a double-screw extruder according to a certain proportion, mixing and granulating to obtain functional PET master batch containing molecular nests;

further, the ratio of the molecular nest to the polyester chip is 1: 9-20;

further, the dispersant is one or more of BYK-111, XD-5040, ECO2500 and DH-5038;

furthermore, the dosage of the molecular nest is 5-15%;

s105, preparation of polyester macrobio-fiber containing active ingredients of litsea cubeba

Respectively adding the functional master batch containing the molecular nest and common PET slices into a double-screw extruder, and synchronously adding polyester particles and polyester slices in equal proportion; then, adding a dispersing agent, an antioxidant and a coupling agent, heating, melting, mixing, filtering, spinning, cooling, drawing and oiling to prepare the dacron macrobiosis containing active ingredients of the Curcuma rhizome.

Further, the ratio of the functional master batch of the molecular nest to the common PET slices is 1: 20-99;

further, the dispersant is one or more of PT-200E, triethylhexyl phosphoric acid, F-604, sodium dodecyl sulfate and fatty acid polyglycol ester; the dosage is 0.1-0.4%;

further, the antioxidant is one or more of antioxidant 1098, antioxidant KB-6 and JADEWIN AN B215;

further, the coupling agent is one or more of silane coupling agents KH-550, Z-6020, Z-6030, Z-6040, Z-6070, KH-570 and KH-560; the dosage of the mesoporous SiO2 molecular nest is 0.1-0.5%.

Compared with the prior art, the dacron macrobiotic fiber containing the active ingredients of the parvum yellow ginger has the following advantages:

1. according to the invention, active ingredients of the Curcuma rhizome are extracted and are blended into the polyester macrofiber, so that the function of the polyester macrofiber in use can be greatly improved;

2. the bacteriostatic rate of the invention to staphylococcus aureus, escherichia coli and candida albicans is higher than 95%, and the invention has stronger bacteriostatic function.

Detailed Description

Unless defined otherwise, technical terms used in the following examples have the same meanings as commonly understood by one of ordinary skill in the art to which the present invention belongs. The organic solvents or reagents used in the following examples, unless otherwise specified, are all conventional biochemical reagents; the experimental methods are conventional methods unless otherwise specified.

The present invention will be described in detail with reference to examples.

Example 1

The dacron macrobiotic fiber containing the active ingredients of the parlor turmeric is prepared from the following raw materials in parts by weight:

example 2

The polyester macrobiotic fiber containing the active ingredients of the parvum officinale is prepared from the following raw materials in parts by weight:

example 3

The polyester macrobiotic fiber containing the active ingredients of the parvum officinale is prepared from the following raw materials in parts by weight:

in this embodiment, the active ingredients of the parvalnut include ginger essential oil, gingerol, ginger protease and diphenylheptanes, the gingerol includes shogaols, gingediols, gingerols, gingerdiones, gingerols, gingerones and paragingerol, wherein the gingerol accounts for the largest proportion, the 6-gingerol content is the largest, and the ratio of the gingerols to the total gingerols content exceeds 75%.

The preparation method of the dacron macrobiotic fiber containing the active ingredients of the parvum officinale comprises the following steps:

s101, extracting active ingredients of small yellow ginger

Extracting active ingredients of the turmeric by using an ultrasonic-assisted solvent extraction technology: accurately weighing 10-30g of small turmeric powder into 500mL of triangular flask with a stopper, adding 200-300mL of anhydrous ethanol, carrying out ultrasonic treatment for 30-60min at the temperature of 50-60 ℃ and the power of 100-200W, filtering and drying for later use;

further, the particle size of the small yellow ginger powder is 100-200 meshes;

s102, preparation of mesoporous SiO2 nanoparticles

Preparing SiO2 nano microspheres by a sol-gel method: weighing 0.1-1g CTAB to be dissolved in 1000mL deionized water, stirring at 30-60 ℃ and 60-120 r/min. After the solution is clarified, dropwise adding NaOH solution, and adjusting the pH to 10-12; subsequently, the temperature is raised to 70-90 ℃; adding 2-5mL TEOS after 30-60min, and continuously stirring for 1-3h at 70-90 ℃; standing the obtained white suspension, cooling to room temperature, centrifuging at the rotation speed of 8000-10000r/min, repeatedly washing with deionized water and absolute ethyl alcohol for 3-5 times, drying the obtained white gel in a vacuum drying oven for 8-24h, placing the dried sample in a muffle furnace, and calcining at the temperature of 500-600 ℃ for 4-8 h; cooling to obtain white solid powder, namely mesoporous SiO2 nano particles, and grinding and crushing for later use.

Furthermore, the prepared mesoporous SiO2 nano-particles have the particle size of 100-200nm, the pore diameter of 2.5-3.5nm and the specific surface area of 700-800m 2/g;

s103. preparation of molecular nest

Preparing the active ingredients of the small yellow gingers extracted in the step S101 into a solution with a certain concentration; weighing 8-20g of mesoporous SiO2 nano powder and 0.005-0.05g of dispersant, sequentially adding into 500mL of deionized water, and shearing and dispersing by using a magnetic stirrer at the speed of 100-300 r/min; obtaining a nano composite dispersion liquid containing active ingredients, volatilizing the solvent of the dispersion liquid to obtain a mesoporous SiO2 molecular nest containing the active ingredients of the parvum officinale, and grinding and crushing for later use.

The amount of the carrier (D) is calculated by the following equation:

in the formula: ma: mass of bioactive ingredient in supernatant, g; mb: mass of bioactive ingredient added into the system, g; mdl: mass of molecular nest, g.

Further, the carrier amount of the molecular nest is 60-70%;

further, the dispersant is one or more of XD-5040, BYK-111, ECO2500 and DH-5038;

further, the particle size of the mesoporous SiO2 nanoparticles containing the active component of the litsea cubeba is 8000-10000 meshes;

s104. preparation of functional PET master batch containing molecular nest

Vacuum drying the molecular nest and the polyester chip prepared in the step S103 at 180 ℃ for 24 hours; then adding the dispersing agent, the antioxidant and the coupling agent into a double-screw extruder according to a certain proportion, mixing and granulating to obtain functional PE master batch containing molecular nests;

further, the ratio of the molecular nest to the polyester chip is 1: 9-20;

further, the dispersant is one or more of BYK-111, XD-5040, ECO2500 and DH-5038;

furthermore, the dosage of the molecular nest is 5-15%;

s105, preparation of polyester macrobio-fiber containing active ingredients of litsea cubeba

Respectively adding the functional master batch containing the molecular nest and common PET slices into a double-screw extruder, and synchronously adding polyester particles and polyester slices in equal proportion; then, adding a dispersing agent, an antioxidant and a coupling agent, heating, melting, mixing, filtering, spinning, cooling, drawing and oiling to prepare the dacron macrobiosis containing active ingredients of the Curcuma rhizome.

Further, the ratio of the functional master batch of the molecular nest to the common PET slices is 1: 20-99;

further, the dispersant is one or more of PT-200E, triethylhexyl phosphoric acid, F-604, sodium dodecyl sulfate and fatty acid polyglycol ester; the dosage is 0.1-0.4%;

further, the antioxidant is one or more of antioxidant 1098, antioxidant KB-6 and JADEWIN AN B215;

further, the coupling agent is one or more of silane coupling agents KH-550, Z-6020, Z-6030, Z-6040, Z-6070, KH-570 and KH-560; the dosage of the mesoporous SiO2 molecular nest is 0.1-0.5%.

The invention carries out antibacterial test according to GB/T20944.3-2008 evaluation of antibacterial performance of textiles,

the bacteriostatic function is as follows: the bacteriostasis rate to staphylococcus aureus, colibacillus and candida albicans is higher than 95%.

The prepared Dacron biological fiber containing active ingredients of the Curcuma rhizome is subjected to oxidation resistance test by referring to an ABTS free radical scavenging method.

As can be seen from the table, compared with the existing polyester macrobio fiber, the polyester macrobio fiber provided by the embodiment of the invention has the advantages that the breaking strength, the tensile strength and the elongation at break are all improved, the flame retardant property is improved, and the overall use performance and effect are improved.

According to the invention, active ingredients of the Curcuma rhizome are extracted and are blended into the polyester macrofiber, so that the antioxidation performance is good, and the function of the polyester macrofiber in use can be greatly improved.

The flame retardant is added, so that the flame retardant property of the macrobio-fiber can be improved, and the use safety level is improved.

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, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.

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