PE/PET (polyethylene terephthalate/polyethylene terephthalate) bi-component large-organism spunbonded non-woven fabric containing hemp active ingredients and preparation method thereof

文档序号:252580 发布日期:2021-11-16 浏览:53次 中文

阅读说明:本技术 含大麻活性成分的pe/pet双组分大生物纺粘无纺布及其制备方法 (PE/PET (polyethylene terephthalate/polyethylene terephthalate) bi-component large-organism spunbonded non-woven fabric containing hemp active ingredients and preparation method thereof ) 是由 黄效华 池姗 刘浩林 于 2021-06-22 设计创作,主要内容包括:本发明提供含大麻活性成分的PE/PET双组分大生物纺粘无纺布及其制备方法,涉及无纺布的制备技术领域。该大麻活性成分的PE/PET双组分纺粘无纺布的制备方法,包括以下步骤:步骤一、大麻活性成分萃取,是利用超声辅助溶剂萃取技术对大麻活性成分进行萃取;步骤二、介孔二氧化硅纳米颗粒的制备;步骤三、介孔二氧化硅分子巢的制备;步骤四、含分子巢的功能性PE母粒的制备;步骤五、含大麻活性成分的纺粘无纺布的制备。大麻活性成分的PE/PET双组分纺粘无纺布的制备方法,大麻及其有效成分具有镇痛、降眼压、抗肿瘤、抗呕吐、削弱恐惧性记忆、抗血压、抗血栓、抗菌、抗炎及其他药理作用,通过大麻提取物制得无纺布具有较好抑菌功能且具有较好透气性。(The invention provides a PE/PET bi-component large-organism spun-bonded non-woven fabric containing hemp active ingredients and a preparation method thereof, relating to the technical field of non-woven fabric preparation. The preparation method of the PE/PET double-component spunbonded non-woven fabric containing the hemp active ingredient comprises the following steps: step one, extracting active ingredients of the hemp, namely extracting the active ingredients of the hemp by utilizing an ultrasonic-assisted solvent extraction technology; step two, preparing mesoporous silica nano particles; step three, preparing a mesoporous silica molecular nest; step four, preparing functional PE master batches containing molecular nests; and step five, preparing the spun-bonded non-woven fabric containing the hemp active ingredient. The hemp and the effective components thereof have the pharmacological effects of easing pain, reducing intraocular pressure, resisting tumors, resisting vomit, weakening fear memory, resisting blood pressure, resisting thrombus, resisting bacteria, resisting inflammation and the like, and the non-woven fabric prepared from the hemp extract has better bacteriostatic function and better air permeability.)

1. The PE/PET double-component large-organism spunbonded non-woven fabric containing hemp active ingredients and the preparation method thereof are characterized by comprising the following steps:

s1, extracting active ingredients of hemp: extracting active ingredients of the hemp by using an ultrasonic-assisted solvent extraction technology, accurately weighing 10-30g of hemp powder with the granularity of 100-;

s2, preparation of mesoporous silica nanoparticles: weighing 0.1-1g CTAB, dissolving in 1000ml deionized water, stirring at 30-60 ℃ at a rotation speed of 60-120r/min, after the solution is clarified, dropwise adding a sodium hydroxide solution, adjusting the pH to 10-12, then heating the mixed solution to raise the temperature of the mixed solution to 70-90 ℃, keeping the temperature for 30-60min, adding 2-5ml TEOS, continuing stirring at 70-90 ℃ for 1-3h, standing and cooling the obtained white suspension to room temperature, centrifuging in a centrifuge with a 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, adjusting the temperature to 500-600 ℃, calcining for 4-8h, cooling to obtain white solid powder, namely mesoporous silica nanoparticles, and grinding and crushing for later use;

s3, preparation of mesoporous silica molecular nest: preparing the hemp active ingredient extracted by S1 into solution, sequentially adding 8-20g of mesoporous silica nano powder with the particle size of 8000-10000 meshes and 0.005-0.05g of dispersing agent into 500ml of deionized water, adjusting the rotating speed to 100-10000 meshes by using a magnetic stirrer, shearing and dispersing to obtain nano composite dispersion liquid containing the active ingredient, volatilizing the solvent of the nano composite dispersion liquid to obtain a mesoporous silica molecular nest with the carrier content (D) of the hemp active ingredient of 60-70%, and grinding and pulverizing for later use;

s4, preparing the functional PE master batch containing the molecular nest: firstly, placing the silicon dioxide molecular nest and the PE slices prepared in the step S3 in a vacuum drying oven for drying, adding a dispersing agent, an antioxidant and a coupling agent into the dried object, and then adding the object into a double-screw extruder for mixing and granulation to obtain functional PE master batches containing the molecular nest;

s5, preparing the spunbonded non-woven fabric containing the hemp active ingredient, namely respectively adding the functional PE master batch containing the molecular nest and the common PET slices into a double-screw extruder, adding a dispersing agent A, an antioxidant and a coupling agent, heating, melting, mixing, filtering, spinning, cooling, stretching by air flow, paving the filaments into a fiber web, and carrying out hot rolling and bonding on the fiber web by a rolling mill to form the spunbonded non-woven fabric, thus obtaining the spunbonded non-woven fabric containing the hemp active ingredient.

2. The PE/PET bicomponent large-organism spunbonded nonwoven fabric containing hemp active ingredient as claimed in claim 1 and the preparation method thereof, characterized in that, according to the operation procedure in S2, the mesoporous silica nano-particle has a particle size of 100-200nm, a pore diameter of 2.5-3.5nm, a surface area of 700-800m2/g。

3. The PE/PET bicomponent macrobion spunbonded nonwoven fabric containing hemp active ingredient and the preparation method thereof according to claim 1, characterized in that the carrier amount (D) is determined by the formula according to the operation step of S3:and (4) calculating.

4. The PE/PET bicomponent macrobiosis spunbonded nonwoven fabric containing hemp active ingredient as claimed in claim 1 and the preparation method thereof, characterized in that the dispersant is one or more of XD-5040, BYK-111, ECO2500, DH-5038.

5. The PE/PET bicomponent macrobion spunbonded nonwoven fabric containing hemp active ingredient and the preparation method thereof according to claim 1, wherein the vacuum drying oven is set at 180 ℃ for 24 hours according to the operation step of S4.

6. The PE/PET bicomponent macrobiosis spunbonded nonwoven fabric containing hemp active ingredient and the preparation method thereof according to claim 1, wherein the amount of the silica molecular nests is 5-15% and the ratio of the silica molecular nests to the PE slices is 1:9-20 according to the operation procedure of S4.

7. The PE/PET bicomponent large-organism spunbonded nonwoven fabric containing hemp active ingredients and the preparation method thereof according to claim 1, wherein the ratio of the functional PE master batch of the molecular nest to the common PET chips is 1:20-99 according to the operation step of S5.

8. The PE/PET bicomponent macrobiosis spunbonded nonwoven fabric containing hemp active ingredient and the preparation method thereof according to claim 1, wherein the dispersant A is one or more of PT-200E, triethylhexylphosphoric acid, F-604, sodium dodecyl sulfate and fatty acid polyglycol ester, and the dosage is 0.1-0.4% according to the operation procedure of S5.

9. The PE/PET bicomponent large biological spunbonded nonwoven fabric containing hemp active ingredients and the preparation method thereof according to claim 1, wherein the antioxidant is one or more of antioxidant 1098, antioxidant KB-6 and JADEWINANB215 according to the operation step S5.

10. The PE/PET bicomponent macrobion spunbonded nonwoven fabric containing hemp active ingredient and the preparation method thereof according to claim 1, wherein 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 in an amount of 0.1-0.5% of mesoporous silica molecular nest according to the operation of S5.

Technical Field

The invention relates to the technical field of preparation of non-woven fabrics, in particular to PE/PET bi-component large-organism spun-bonded non-woven fabrics containing hemp active ingredients and a preparation method thereof.

Background

The non-woven fabric is a non-woven fabric which is made by directly using high polymer slices, short fibers or filaments to form a net through air flow or machinery, then carrying out spunlacing, needling or hot rolling reinforcement, and finally carrying out after-treatment, the existing non-woven fabric can be used for manufacturing masks, clothes, medical use and the like, 62 compounds are contained in leaves, flowers and stems of hemp, flavone and glycoside compounds, alkaloid compounds, coumarin compounds, terpenes and sterol compounds, fatty acid compounds, phenanthrene compounds and other compounds are also contained in the hemp, and the hemp and the effective components of the hemp have the effects of easing pain, reducing intraocular pressure, resisting tumors, resisting tumor, and the like, Antiemetic, memory impairment due to fear, antihypertensive, antithrombotic, antibacterial, anti-inflammatory and other pharmacological effects.

Current non-woven fabrics is relatively poor at the in-service use antibacterial function, leads to the application range of non-woven fabrics to have the limitation, and current non-woven fabrics gas permeability is relatively poor, leads to the user to use the travelling comfort not good.

Disclosure of Invention

The invention aims to provide PE/PET bi-component large-organism spunbonded non-woven fabric containing hemp active ingredients and a preparation method thereof.

In order to achieve the purpose, the invention is realized by the following technical scheme: the PE/PET double-component large-organism spun-bonded non-woven fabric containing hemp active ingredients and the preparation method thereof comprise the following steps:

s1, extracting active ingredients of hemp: extracting active ingredients of the hemp by using an ultrasonic-assisted solvent extraction technology, accurately weighing 10-30g of hemp powder with the granularity of 100-.

S2, preparation of mesoporous silica nanoparticles: weighing 0.1-1g CTAB, dissolving in 1000ml deionized water, stirring at 30-60 ℃ at a rotation speed of 60-120r/min, after the solution is clarified, dropwise adding a sodium hydroxide solution, adjusting the pH to 10-12, then heating the mixed solution to raise the temperature of the mixed solution to 70-90 ℃, keeping the temperature for 30-60min, adding 2-5ml TEOS, continuing stirring at 70-90 ℃ for 1-3h, standing and cooling the obtained white suspension to room temperature, centrifuging in a centrifuge with a 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, adjusting the temperature to 500-600 ℃, calcining for 4-8h, cooling to obtain white solid powder, namely mesoporous silica nanoparticles, and grinding and crushing for later use.

S3, preparation of a porous silica molecular nest: preparing the hemp active ingredient extracted by S1 into solution, sequentially adding 8-20g of mesoporous silica nano powder with the particle size of 8000-10000 meshes and 0.005-0.05g of dispersing agent into 500ml of deionized water, adjusting the rotating speed to be 100-10000 meshes by using a magnetic stirrer, shearing and dispersing to obtain nano composite dispersion liquid containing the active ingredient, volatilizing the solvent of the nano composite dispersion liquid to obtain a mesoporous silica molecular nest containing 60-70% of hemp active ingredient carrier amount (D), and grinding and pulverizing for later use.

S4, preparing the functional PE master batch containing the molecular nest: firstly, the silicon dioxide molecular nest and the PE slices prepared in the step S3 are placed in a vacuum drying oven for drying, the dispersing agent, the antioxidant and the coupling agent are added into the dried object, and then the object is added into a double-screw extruder for mixing and granulation, so that the functional PE master batch containing the molecular nest is obtained.

S5, preparing the spunbonded non-woven fabric containing the hemp active ingredient, namely respectively adding the functional PE master batch containing the molecular nest and the common PET slices into a double-screw extruder, adding a dispersing agent A, an antioxidant and a coupling agent, heating, melting, mixing, filtering, spinning, cooling, stretching by air flow, paving the filaments into a fiber web, and carrying out hot rolling and bonding on the fiber web by a rolling mill to form the spunbonded non-woven fabric, thus obtaining the spunbonded non-woven fabric containing the hemp active ingredient.

Further, according to the operation procedure in S2, the mesoporous silica nanoparticle has a particle size of 100-200nm, a pore diameter of 2.5-3.5nm, and a surface area of 700-800m2/g。

Further, according to the operation step in S3, the carrier amount (D) is calculated by the formula:and (4) calculating.

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

Further, according to the operation in S4, the vacuum drying oven was set to a temperature of 180 ℃ and dried for 24 hours.

Further, according to the operation step in S4, the amount of the silica molecular nests is 5-15%, and the ratio of the silica molecular nests to the PE slices is 1: 9-20.

Further, according to the operation step in S5, the ratio of the functional PE master batch of the molecular nest to the common PET slices is 1: 20-9.

Further, according to the operation procedure in S5, the dispersant A is one or more of PT-200E, triethylhexyl phosphoric acid, F-604, sodium dodecyl sulfate and fatty acid polyglycol ester, and the dosage is 0.1-0.4%.

Further, according to the operation S5, the antioxidant is one or more of antioxidant 1098, antioxidant KB-6 and antioxidant JADEWINANB 215.

Further, according to the operation step S5, 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, and the dosage is 0.1-0.5% of the mesoporous silica molecular nest.

The invention provides a PE/PET bi-component large-organism spun-bonded non-woven fabric containing hemp active ingredients and a preparation method thereof. The method has the following beneficial effects:

the PE/PET double-component large-organism spun-bonded non-woven fabric containing hemp active ingredients and the preparation method thereof adopt the method of the invention, the hemp fibers have long and thin cavities, and are rich in oxygen, so that anaerobic bacteria can not survive, the bacteriostasis rate of the manufactured non-woven fabric to staphylococcus aureus, escherichia coli and candida albicans can be higher than 95% by extracting the active ingredients in the hemp, and the non-woven fabric has excellent capillary effect because the long and thin cavities are arranged in the hemp fibers and connected with a plurality of cracks and small holes longitudinally distributed on the surfaces of the fibers, so that the non-woven fabric has the characteristics of excellent moisture absorption, sweat releasing and air permeability.

Drawings

FIG. 1 is a flow chart of PE/PET bicomponent large biological spun-bonded non-woven fabric containing hemp active ingredients and a preparation method thereof;

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention; it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by those skilled in the art without any inventive work are within the scope of the present invention.

The invention provides a technical scheme that: please refer to fig. 1:

the first embodiment; the PE/PET double-component large-organism spunbonded non-woven fabric containing hemp active ingredients and the preparation method thereof comprise the following steps:

(1) extracting active ingredients of the hemp: extracting active ingredients of the hemp by using an ultrasonic-assisted solvent extraction technology, accurately weighing 10-30g of hemp powder with the granularity of 100-.

(2) And preparing mesoporous silica nanoparticles: preparing mesoporous silica nanoparticles: weighing 0.1-1g CTAB, dissolving in 1000ml deionized water, stirring at 30-60 ℃ at a rotation speed of 60-120r/min, after the solution is clarified, dropwise adding a sodium hydroxide solution, adjusting the pH to 10-12, then heating the mixed solution to raise the temperature of the mixed solution to 70-90 ℃, keeping the temperature for 30-60min, adding 2-5ml TEOS, continuing stirring at 70-90 ℃ for 1-3h, standing and cooling the obtained white suspension to room temperature, centrifuging in a centrifuge with a 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, adjusting the temperature to 500-600 ℃, calcining for 4-8h, cooling to obtain white solid powder, namely mesoporous silica nanoparticles, and grinding and crushing for later use.

(3) And preparing a mesoporous silica molecular nest: preparing the hemp active ingredient extracted by S1 into solution, sequentially adding 8-20g of mesoporous silica nano powder with the particle size of 8000-10000 meshes and 0.005-0.05g of dispersing agent into 500ml of deionized water, adjusting the rotating speed to 100-10000 meshes by using a magnetic stirrer, shearing and dispersing to obtain nano composite dispersion liquid containing the active ingredient, volatilizing the solvent of the nano composite dispersion liquid to obtain a mesoporous silica molecular nest with the carrier content (D) of the hemp active ingredient of 60%, and grinding and pulverizing for later use.

(4) And preparing the functional PE master batch containing the molecular nest: firstly, the silicon dioxide molecular nest and the PE slices prepared in the step (3) are placed in a vacuum drying oven for drying, dispersing agents, antioxidants and coupling agents are added into the dried object, and then the dried object is added into a double-screw extruder for mixing and granulation, so that the functional PE master batch containing the molecular nest is obtained.

(5) And preparing the spunbonded non-woven fabric containing the hemp active ingredient, namely respectively adding the functional PE master batch containing the molecular nest and the common PET slices into a double-screw extruder, adding a dispersing agent A, an antioxidant and a coupling agent, heating, melting, mixing, filtering, spinning, cooling, drawing and stretching by air flow, paving the filaments into a fiber web, and carrying out hot rolling and bonding on the fiber web by a rolling mill to form the spunbonded non-woven fabric, thereby obtaining the spunbonded non-woven fabric containing the hemp active ingredient.

Specifically, according to the operation step (2), the particle size of the mesoporous silica nanoparticle is 100-200nm, the pore diameter is 2.5-3.5nm, and the surface area is 700-800m2/g。

Specifically, according to the operation step in (3), the load amount (D) is calculated by the formula:calculation of ma: mass of bioactive ingredient in supernatant, mb: the mass of the bioactive components put into the system is g, mb: the mass of the bioactive components put into the system is g, mdl: the mass of the molecular nest is given in g.

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

Specifically, according to the operation step in (4), the temperature of the vacuum drying oven is set to be 180 ℃, and the drying is carried out for 24 hours.

Specifically, according to the operation step in (4), the amount of the silica molecular nests is 5%, and the ratio of the silica molecular nests to the PE slices is 1: 9-200.

Specifically, according to the operation steps in (5), the ratio of the functional PE master batch of the molecular nest to the common PET slices is 1: 20-99.

Specifically, according to the operation step in (5), the dispersant A is one or more of PT-200E, triethylhexyl phosphoric acid, F-604, sodium dodecyl sulfate and fatty acid polyglycol ester, and the dosage is 0.1-0.4%.

Specifically, according to the operation step (5), the antioxidant is one or more of antioxidant 1098, antioxidant KB-6 and antioxidant JADEWINANB 215.

Specifically, according to the operation step in the step (5), 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, and the using amount of the coupling agent is 0.1-0.5% of the mesoporous silica molecular nest.

Example two; the PE/PET double-component large-organism spunbonded non-woven fabric containing hemp active ingredients and the preparation method thereof comprise the following steps:

(1) extracting active ingredients of the hemp: extracting active ingredients of the hemp by using an ultrasonic-assisted solvent extraction technology, accurately weighing 10-30g of hemp powder with the granularity of 100-.

(2) And preparing mesoporous silica nanoparticles: preparing mesoporous silica nanoparticles: weighing 0.1-1g CTAB, dissolving in 1000ml deionized water, stirring at 30-60 ℃ at a rotation speed of 60-120r/min, after the solution is clarified, dropwise adding a sodium hydroxide solution, adjusting the pH to 10-12, then heating the mixed solution to raise the temperature of the mixed solution to 70-90 ℃, keeping the temperature for 30-60min, adding 2-5ml TEOS, continuing stirring at 70-90 ℃ for 1-3h, standing and cooling the obtained white suspension to room temperature, centrifuging in a centrifuge with a 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, adjusting the temperature to 500-600 ℃, calcining for 4-8h, cooling to obtain white solid powder, namely mesoporous silica nanoparticles, and grinding and crushing for later use.

(3) And preparing a mesoporous silica molecular nest: preparing the hemp active ingredient extracted by S1 into solution, sequentially adding 8-20g of mesoporous silica nano powder with the particle size of 8000-10000 meshes and 0.005-0.05g of dispersing agent into 500ml of deionized water, adjusting the rotating speed to 100-10000 meshes by using a magnetic stirrer, shearing and dispersing to obtain nano composite dispersion liquid containing the active ingredient, volatilizing the solvent of the nano composite dispersion liquid to obtain a mesoporous silica molecular nest containing 65% of hemp active ingredient carrier amount (D), and grinding and pulverizing for later use.

(4) And preparing the functional PE master batch containing the molecular nest: firstly, the silicon dioxide molecular nest and the PE slices prepared in the step (3) are placed in a vacuum drying oven for drying, dispersing agents, antioxidants and coupling agents are added into the dried object, and then the dried object is added into a double-screw extruder for mixing and granulation, so that the functional PE master batch containing the molecular nest is obtained.

(5) And preparing the spunbonded non-woven fabric containing the hemp active ingredient, namely respectively adding the functional PE master batch containing the molecular nest and the common PET slices into a double-screw extruder, adding a dispersing agent A, an antioxidant and a coupling agent, heating, melting, mixing, filtering, spinning, cooling, drawing and stretching by air flow, paving the filaments into a fiber web, and carrying out hot rolling and bonding on the fiber web by a rolling mill to form the spunbonded non-woven fabric, thereby obtaining the spunbonded non-woven fabric containing the hemp active ingredient.

Specifically, according to the operation step (2), the particle size of the mesoporous silica nanoparticle is 100-200nm, the pore diameter is 2.5-3.5nm, and the surface area is 700-800m2/g。

Specifically, according to the operation step in (3), the load amount (D) is calculated by the formula:calculation of ma: mass of bioactive ingredient in supernatant, mb: the mass of the bioactive components put into the system is g, mdl: the mass of the molecular nest is given in g.

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

Specifically, according to the operation step in (4), the temperature of the vacuum drying oven is set to be 180 ℃, and the drying is carried out for 24 hours.

Specifically, according to the operation step in (4), the amount of the silica molecular nests is 10%, and the ratio of the silica molecular nests to the PE slices is 1: 9-200.

Specifically, according to the operation steps in (5), the ratio of the functional PE master batch of the molecular nest to the common PET slices is 1: 20-99.

Specifically, according to the operation step in (5), the dispersant A is one or more of PT-200E, triethylhexyl phosphoric acid, F-604, sodium dodecyl sulfate and fatty acid polyglycol ester, and the dosage is 0.1-0.4%.

Specifically, according to the operation step (5), the antioxidant is one or more of antioxidant 1098, antioxidant KB-6 and antioxidant JADEWINANB 215.

Specifically, according to the operation step in the step (5), 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, and the using amount of the coupling agent is 0.1-0.5% of the mesoporous silica molecular nest.

Example three; the PE/PET double-component large-organism spunbonded non-woven fabric containing hemp active ingredients and the preparation method thereof comprise the following steps:

(1) extracting active ingredients of the hemp: extracting active ingredients of the hemp by using an ultrasonic-assisted solvent extraction technology, accurately weighing 10-30g of hemp powder with the granularity of 100-.

(2) And preparing mesoporous silica nanoparticles: preparing mesoporous silica nanoparticles: weighing 0.1-1g CTAB, dissolving in 1000ml deionized water, stirring at 30-60 ℃ at a rotation speed of 60-120r/min, after the solution is clarified, dropwise adding a sodium hydroxide solution, adjusting the pH to 10-12, then heating the mixed solution to raise the temperature of the mixed solution to 70-90 ℃, keeping the temperature for 30-60min, adding 2-5ml TEOS, continuing stirring at 70-90 ℃ for 1-3h, standing and cooling the obtained white suspension to room temperature, centrifuging in a centrifuge with a 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, adjusting the temperature to 500-600 ℃, calcining for 4-8h, cooling to obtain white solid powder, namely mesoporous silica nanoparticles, and grinding and crushing for later use.

(3) And preparing a mesoporous silica molecular nest: preparing the hemp active ingredient extracted by S1 into solution, sequentially adding 8-20g of mesoporous silica nano powder with the particle size of 8000-10000 meshes and 0.005-0.05g of dispersing agent into 500ml of deionized water, adjusting the rotating speed to 100-10000 meshes by using a magnetic stirrer, shearing and dispersing to obtain nano composite dispersion liquid containing the active ingredient, volatilizing the solvent of the nano composite dispersion liquid to obtain a mesoporous silica molecular nest with the hemp active ingredient carrier content (D) of 70%, and grinding and pulverizing for later use.

(4) And preparing the functional PE master batch containing the molecular nest: firstly, the silicon dioxide molecular nest and the PE slices prepared in the step (3) are placed in a vacuum drying oven for drying, dispersing agents, antioxidants and coupling agents are added into the dried object, and then the dried object is added into a double-screw extruder for mixing and granulation, so that the functional PE master batch containing the molecular nest is obtained.

(5) And preparing the spunbonded non-woven fabric containing the hemp active ingredient, namely respectively adding the functional PE master batch containing the molecular nest and the common PET slices into a double-screw extruder, adding a dispersing agent A, an antioxidant and a coupling agent, heating, melting, mixing, filtering, spinning, cooling, drawing and stretching by air flow, paving the filaments into a fiber web, and carrying out hot rolling and bonding on the fiber web by a rolling mill to form the spunbonded non-woven fabric, thereby obtaining the spunbonded non-woven fabric containing the hemp active ingredient.

Specifically, according to the operation step (2), the particle size of the mesoporous silica nanoparticle is 100-200nm, the pore diameter is 2.5-3.5nm, and the surface area is 700-800m2/g。

Specifically, according to the operation step in (3), the load amount (D) is calculated by the formula:calculation of ma: mass of bioactive ingredient in supernatant, mb: the mass of the bioactive components put into the system is g, mdl: the mass of the molecular nest is given in g.

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

Specifically, according to the operation step in (4), the temperature of the vacuum drying oven is set to be 180 ℃, and the drying is carried out for 24 hours.

Specifically, according to the operation step (4), the amount of the silicon dioxide molecular nests is 15%, and the ratio of the silicon dioxide molecular nests to the PE slices is 1: 9-200.

Specifically, according to the operation steps in (5), the ratio of the functional PE master batch of the molecular nest to the common PET slices is 1: 20-99.

Specifically, according to the operation step in (5), the dispersant A is one or more of PT-200E, triethylhexyl phosphoric acid, F-604, sodium dodecyl sulfate and fatty acid polyglycol ester, and the dosage is 0.1-0.4%.

Specifically, according to the operation step (5), the antioxidant is one or more of antioxidant 1098, antioxidant KB-6 and antioxidant JADEWINANB 215.

Specifically, according to the operation step in the step (5), 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, and the using amount of the coupling agent is 0.1-0.5% of the mesoporous silica molecular nest.

The method of the example was performed for assay and comparison to existing panels to yield the following data:

example one Example two EXAMPLE III Prior Art
Speed of drying clothes 0.8-1.5h 0.5-1h 1-1.8h 1.5-2.3h
Deodorization ratio 62.6%-65.8% 60.8%-63.5% 63.8%-68% 17.6%-29.3%

Experimental tables for bacteriostatic rates of strains:

according to the data in the table, in the embodiment, the PE/PET double-component large-organism spunbonded non-woven fabric containing hemp active ingredients and the preparation method thereof are adopted, so that the prepared fabric has the best clothes drying speed, antibacterial activity and deodorization rate under the same condition, the drying speed of the fabric is obviously increased by naturally drying the fully-soaked non-woven fabric under the same condition, the fabric has better air permeability, the original deodorization effect is poor, the improved deodorization rate is 60.8-65.8%, and meanwhile, the improved fabric has the antibacterial rate of more than 95% on staphylococcus aureus, escherichia coli and candida albicans.

The PE/PET double-component large-organism spunbonded non-woven fabric containing hemp active ingredients and the preparation method thereof comprise the following steps:

(1) extracting active ingredients of the hemp: extracting active ingredients of the hemp by using an ultrasonic-assisted solvent extraction technology, accurately weighing 10-30g of hemp powder with the granularity of 100-.

(2) And preparing mesoporous silica nanoparticles: weighing 0.1-1g CTAB, dissolving in 1000ml deionized water, stirring at 30-60 ℃ at a rotation speed of 60-120r/min, after the solution is clarified, dropwise adding a sodium hydroxide solution, adjusting the pH to 10-12, then heating the mixed solution to raise the temperature of the mixed solution to 70-90 ℃, keeping the temperature for 30-60min, adding 2-5ml TEOS, continuing stirring at 70-90 ℃ for 1-3h, standing and cooling the obtained white suspension to room temperature, centrifuging in a centrifuge with a 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, adjusting the temperature to 500-600 ℃, calcining for 4-8h, cooling to obtain white solid powder which is mesoporous silica nano-particles, grinding and crushing for later use, wherein the particle size of the mesoporous silica nano-particles is 100-200nm, the pore diameter is 2.5-3.5nm, and the surface area is 700-800m2/g。

(3) And preparing a mesoporous silica molecular nest: preparing the hemp active ingredient extracted in the step (1) into a solution, taking 8-20g of mesoporous silica nano powder with the particle size of 8000-10000 meshes and 0.005-0.05g of dispersing agent, wherein the dispersing agent is one or more of XD-5040, BYK-111, ECO2500 and DH-5038, sequentially adding the mesoporous silica nano powder and the dispersing agent into 500ml of deionized water, adjusting the rotating speed to be 100-10000 r/min by using a magnetic stirrer, carrying out shearing dispersion to obtain a nano composite dispersion liquid containing the active ingredient, carrying out solvent volatilization on the nano composite dispersion liquid to obtain a mesoporous silica molecular nest containing 60-70% of hemp active ingredient carrier (D), and grinding and crushing the hemp active ingredient for later use, wherein the carrier amount (D) is calculated by the following formula: the load amount (D) is calculated by the formula:calculation, in the formula: m isa: the mass of bioactive components in the supernatant is g, mb: the mass of the bioactive components put into the system is g, mdl: mass of molecular nestIn units of g.

(4) And preparing the functional PE master batch containing the molecular nest: firstly, the silicon dioxide molecular nest and the PE slices prepared in the step S3 are placed in a vacuum drying oven to be dried, the temperature of the vacuum drying oven is set to be 180 ℃, the drying is carried out for 24 hours, a dispersing agent, an antioxidant and a coupling agent are added into the dried object, then the dried object is added into a double-screw extruder to be mixed and granulated, and the functional PE master batch containing the molecular nest is obtained, wherein the dispersing agent is one or more of XD-5040, BYK-111, ECO2500 and DH-5038, the using amount of the silicon dioxide molecular nest is 5-15%, and the ratio of the silicon dioxide molecular nest to the PE slices is 1: 9-20.

(5) Respectively adding functional PE master batches containing molecular nests and common PET slices into a double-screw extruder, adding a dispersing agent A, an antioxidant and a coupling agent, heating, melting, mixing, filtering, spinning, cooling, drawing and stretching by air flow, paving filament yarns into a fiber web, and carrying out hot rolling and bonding on the fiber web by a rolling mill to form the spunbonded non-woven fabric containing the hemp active ingredients, wherein the ratio of the functional PE master batches containing the molecular nests to the common PET slices is 1:20-99, the dispersing agent A is one or more of PT-200E, triethylhexylphosphoric acid, F-604, sodium dodecyl sulfate, fatty acid polyglycol ester, the dosage is 0.1-0.4%, the antioxidant is one or more of antioxidant 1098, antioxidant-6 and JAWINDEANB 215, and the coupling agent is a silane coupling agent KH-550, KB-550 and JADEDEANB 215, One or more of Z-6020, Z-6030, Z-6040, Z-6070, KH-570 and KH-560, and the dosage is 0.1-0.5% of mesoporous silica molecular nest.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various changes and modifications can be made without departing from the inventive concept of the present invention, and these changes and modifications are all within the scope of the present invention.

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