CN111349976A - Preparation method of regenerated cellulose fiber extracted from lotus plants - Google Patents
Preparation method of regenerated cellulose fiber extracted from lotus plants Download PDFInfo
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- CN111349976A CN111349976A CN202010289398.0A CN202010289398A CN111349976A CN 111349976 A CN111349976 A CN 111349976A CN 202010289398 A CN202010289398 A CN 202010289398A CN 111349976 A CN111349976 A CN 111349976A
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- lotus
- regenerated cellulose
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- cellulose fiber
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- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
- D01F2/00—Monocomponent artificial filaments or the like of cellulose or cellulose derivatives; Manufacture thereof
- D01F2/06—Monocomponent artificial filaments or the like of cellulose or cellulose derivatives; Manufacture thereof from viscose
- D01F2/08—Composition of the spinning solution or the bath
Abstract
The invention discloses a preparation method of regenerated cellulose fiber extracted from lotus plants, belonging to the technical field of fiber preparation. The invention comprises the following steps: preparing a mixed plant tissue solution extracted from lotus leaves and lotus seeds and lotus seedpod, mixing a cellulose raw material solution and the tissue solution extracted from the plants into an ecological functional spinning solution by taking 100 parts by weight of the fiber raw material as a reference and 7-12 parts by weight of the tissue solution, and preparing the spinning solution into a lotus extract functional spinning solution by a wet spinning method. The fiber prepared by the invention has the ecological protection type regenerated cellulose fiber with antibacterial, antioxidant free radical and antiviral effects.
Description
Technical Field
The invention belongs to the technical field of fiber preparation, and particularly relates to a preparation method of regenerated cellulose fiber extracted from lotus plants.
Background
With the development of textiles, there is an increasing trend towards functionality and versatility. The development and research of comfortable, healthy and multifunctional protective textiles become the future appeal of the textile industry, and the existing common fibers have single functions and cannot meet the diversified demands of the market.
Disclosure of Invention
Aiming at the problems in the prior art, the invention provides a preparation method of regenerated cellulose fibers extracted from lotus plants.
Therefore, the invention adopts the following technical scheme: a preparation method of regenerated cellulose fiber extracted from lotus plants is characterized by comprising the following preparation steps:
step one, raw material pretreatment: sequentially cleaning, draining, extracting and crushing raw materials of lotus plants to obtain lotus leaf tissue fragments;
step two, adding the lotus leaf tissue fragments into a sodium hydroxide solution for soaking and stirring, then repeatedly washing with deionized water until the washing liquid is neutral, filtering, and fully draining;
adding the processed lotus leaf tissue fragments into an acetic acid solution, wherein the material-to-liquid ratio of the lotus leaf tissue fluid to the acetic acid solution is 1: 10-15, centrifuging again, taking supernatant, adding sodium chloride for salting out, centrifuging again after the lotus leaf plant extract precipitates out, and taking precipitate;
dissolving the precipitate obtained in the previous step in an acetic acid solution, performing centrifugal treatment, taking supernatant, dialyzing with the acetic acid solution until chloride ions do not exist in the dialysate and the dialysate is neutral, and performing freeze drying to obtain a raw material of the lotus leaf plant extract;
step five, uniformly mixing the lotus leaf ecological solution prepared in the step one with a spinnable regenerated cellulose spinning solution after stirring to form a mixed spinning solution of a lotus leaf tissue solution and the regenerated cellulose spinning solution;
step six, filtering, defoaming and ripening the mixed spinning solution, then sending the mixed spinning solution to a spinning machine, and extruding the mixed spinning solution from spinneret orifices of a spinneret of the spinning machine through a metering pump to form spinning trickle;
coagulating and drawing, feeding the spinning fine flow formed in the step into a first coagulation bath to form tows, conveying the tows passing through the first coagulation bath into a second coagulation bath from a first drawing roller, conveying the tows passing through the second coagulation bath into a third coagulation bath from a second drawing roller, wherein the drawing rate of the second drawing roller is 50%, the temperature of the third coagulation bath is 80 ℃, and the third coagulation bath comprises H with the pH value of 1.52SO4The tows after the first to third coagulating baths are output after being drafted by a third drafting roller, and the drafting rate of the third drafting roller is 8 percent, so that the regenerated cellulose fiber of the lotus extract plant is obtained;
cutting the regenerated cellulose fibers by a cutting device to form regenerated cellulose short fibers with antibacterial and antioxidant functions;
step eight, cleaning and drying, namely cleaning the cut off ecological regenerated cellulose short fibers with NaOH aqueous solution; then washing with hot water, finally drying, and packaging the finished product after drying.
In addition to the above technical solutions, the present invention also includes the following technical features.
In the first step, the raw materials of the lotus plant comprise lotus leaves, stems and leaves, lotus seeds or lotus seedpods.
And the concentration of the sodium hydroxide solution in the second step is 0.1mol/L, and the solution is soaked for 3 hours.
The concentration of the acetic acid solution in the third step is 0.3mol/L, and the full extraction is carried out for 8 hours.
The centrifugal treatment time in the third step is 15min, and the centrifugal rotating speed is 4000 r/min.
The sodium chloride salting-out time in the third step is 8 h.
The centrifugal treatment time in the fourth step is 15 min; the concentration of the acetic acid solution was 0.1 mol/L.
In the fifth step, the content of the lotus leaf extract in the spinning solution is 8wt% -12 wt%, the regenerated cellulose spinning solution is a viscose spinning solution, and the concentration of the viscose spinning solution is 30%.
In the sixth step, the aperture of the spinneret orifice is 0.06mm, and the stretching multiple of the spinneret is 1.2 times.
In the seventh step, the cutting length of the regenerated cellulose short fiber is 38mm,
in the eighth step, the temperature of the NaOH aqueous solution is 45 ℃ and the concentration is 4g/L; the temperature of hot water washing is 38 ℃; the drying temperature is 80 ℃.
The invention can achieve the following beneficial effects: the invention achieves high-performance antibacterial effect through the combination of the active ingredient extract of the primary plant and the macromolecular cellulose structure and the plant elements, and has the advantages of lasting and effective effect, soft hand feeling, soft luster and good protective lotus leaf extracted ecological fiber. Meanwhile, the fiber has the function type protective fiber with multi-component combination of oxidation resistance, antibiosis, antivirus and the like.
Detailed Description
The specific embodiment is as follows: step one, pretreating raw materials, namely cleaning, draining, extracting and crushing lotus leaf stems and leaves, lotus seeds, lotus seedpods and the like to obtain lotus leaf tissue fragments.
And step two, adding the mixture into a sodium hydroxide solution, soaking and stirring the mixture, wherein the concentration of the sodium hydroxide solution is 0.1mol/L, removing impurities, purifying the mixture, repeatedly washing the mixture for 3 hours by using deionized water until the washing liquid is neutral, filtering the washing liquid by using gauze, and fully draining the washing liquid.
And step three, adding the lotus leaf tissue fragments treated in the step one into an acetic acid solution, fully extracting for 8 hours, then performing centrifugal treatment for 15 minutes at the centrifugal rotation speed of 4000r/min, taking supernatant, adding sodium chloride for salting out for 8 hours, and performing centrifugal treatment again after the lotus leaf plant extract precipitates out, and taking the precipitate.
And step four, dissolving the precipitate obtained in the step four in an acetic acid solution, centrifuging for 15min, taking the supernatant, dialyzing with the acetic acid solution, wherein the concentration of the acetic acid solution is 0.1mol/L, stopping dialysis until chloride ions do not exist in the dialysate and the dialysate is neutral, and freeze-drying to obtain the raw material of the lotus leaf plant extract.
Step five, uniformly mixing the lotus leaf ecological solution prepared in the previous step with a spinnable regenerated cellulose spinning solution after stirring to form a mixed spinning solution of a lotus leaf tissue solution and the regenerated cellulose spinning solution, wherein the content of a lotus leaf extract in the spinning solution is 8-12 wt%, the regenerated cellulose spinning solution is a viscose spinning solution, and the concentration of the viscose spinning solution is 30%.
And step six, filtering, defoaming and curing the mixed spinning solution, then sending the mixed spinning solution to a spinning machine, and extruding the mixed spinning solution from spinneret orifices of a spinneret of the spinning machine through a metering pump to form spinning trickle, wherein the aperture of each spinneret orifice is 0.06mm, and the stretching multiple of the spinneret is 1.2 times. Coagulating and drawing, feeding the spinning fine flow formed in the step into a first coagulation bath to form tows, conveying the tows passing through the first coagulation bath into a second coagulation bath from a first drawing roller, conveying the tows passing through the second coagulation bath into a third coagulation bath from a second drawing roller, wherein the drawing rate of the second drawing roller is 50%, the temperature of the third coagulation bath is 80 ℃, and the third coagulation bath comprises H with the pH value of 1.52SO4The tows after passing through the first to third coagulating baths are drawn for the third timeOutputting after roller drafting, wherein the drafting rate of a third drafting roller is 8 percent, and obtaining the regenerated cellulose fiber of the lotus extract plant;
cutting the regenerated cellulose fiber extracted from the lotus leaves and output after being drafted by the third drafting roller in the step by a cutting device to enable the cutting length to be 38mm, and forming the regenerated cellulose short fiber with the antibacterial and antioxidant functions;
and step eight, firstly cleaning the lotus leaf extract ecological regenerated cellulose short fibers by using a NaOH aqueous solution, washing the washed lotus leaf extract ecological regenerated cellulose short fibers by using hot water at the temperature of 45 ℃ and the concentration of 4g/L, then washing the washed lotus leaf extract ecological regenerated cellulose short fibers by using the hot water at the temperature of 38 ℃, finally drying the washed lotus leaf extract ecological regenerated cellulose short fibers by using the hot water at the temperature of 80 ℃, and packaging the dried lotus leaf extract finished products.
The physical index of the functional viscose staple fiber
The functional viscose staple fiber and the functional index of the fabric
1) The antibacterial rate is as follows: meets the requirements of FZ/T73023 and 2006 antibacterial knitwear AAA level
2) Detection of nuciferine characteristics
3) Anti-pneumobacillus detection
The invention adopts lotus seeds, lotus leaves, lotus seedpod and the like in lotus plants, extracts effective components (compounds such as flavonoids, alkaloids and the like) in the lotus seeds as functional agents, and performs blended spinning with a cellulose solution to obtain the protective plant ecological regenerated cellulose fiber with the effects of moisturizing, skin care, antibiosis and antivirus. The folium Nelumbinis is a perennial aquatic herb of Nelumbo of Nelumbonaceae. The lotus leaf, lotus root and lotus seed are applied to traditional medicine, and meanwhile, different parts of lotus organisms, such as lotus leaf, lotus root, lotus seed and the like, have high practical value. The monomer components separated from each part of lotus mainly comprise: alkaloids, flavonoids, triterpenes, steroids, polyphenols, etc. Wherein the pharmacologically active ingredient has: has anti-ischemic, lipolysis, antifungal, antibacterial, and antiinflammatory effects.
The foregoing shows and describes the general principles and broad features of the present invention and advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (10)
1. A preparation method of regenerated cellulose fiber extracted from lotus plants is characterized by comprising the following preparation steps:
step one, raw material pretreatment: sequentially cleaning, draining, extracting and crushing raw materials of lotus plants to obtain lotus leaf tissue fragments;
step two, adding the lotus leaf tissue fragments into a sodium hydroxide solution for soaking and stirring, then repeatedly washing with deionized water until the washing liquid is neutral, filtering, and fully draining;
adding the processed lotus leaf tissue fragments into an acetic acid solution, wherein the material-to-liquid ratio of the lotus leaf tissue fluid to the acetic acid solution is 1: 10-15, centrifuging again, taking supernatant, adding sodium chloride for salting out, centrifuging again after the lotus leaf plant extract precipitates out, and taking precipitate;
dissolving the precipitate obtained in the previous step in an acetic acid solution, performing centrifugal treatment, taking supernatant, dialyzing with the acetic acid solution until chloride ions do not exist in the dialysate and the dialysate is neutral, and performing freeze drying to obtain a raw material of the lotus leaf plant extract;
step five, uniformly mixing the lotus leaf ecological solution prepared in the step one with a spinnable regenerated cellulose spinning solution after stirring to form a mixed spinning solution of a lotus leaf tissue solution and the regenerated cellulose spinning solution;
step six, filtering, defoaming and ripening the mixed spinning solution, then sending the mixed spinning solution to a spinning machine, and extruding the mixed spinning solution from spinneret orifices of a spinneret of the spinning machine through a metering pump to form spinning trickle;
coagulating and drawing, feeding the spinning fine flow formed in the step into a first coagulation bath to form tows, conveying the tows passing through the first coagulation bath into a second coagulation bath from a first drawing roller, conveying the tows passing through the second coagulation bath into a third coagulation bath from a second drawing roller, wherein the drawing rate of the second drawing roller is 50%, the temperature of the third coagulation bath is 80 ℃, and the third coagulation bath comprises H with the pH value of 1.52SO4The tows after the first to third coagulating baths are output after being drafted by a third drafting roller, and the drafting rate of the third drafting roller is 8 percent, so that the regenerated cellulose fiber of the lotus extract plant is obtained;
cutting the regenerated cellulose fibers by a cutting device to form regenerated cellulose short fibers with antibacterial and antioxidant functions;
step eight, cleaning and drying, namely cleaning the cut off ecological regenerated cellulose short fibers with NaOH aqueous solution; then washing with hot water, finally drying, and packaging the finished product after drying.
2. The method for preparing regenerated cellulose fiber extracted from lotus plant as claimed in claim 1, wherein the method comprises the following steps: in the first step, the raw materials of the lotus plant comprise lotus leaves, stems and leaves, lotus seeds or lotus seedpods.
3. The method for preparing regenerated cellulose fiber extracted from lotus plant as claimed in claim 2, characterized in that: and the concentration of the sodium hydroxide solution in the second step is 0.1mol/L, and the solution is soaked for 3 hours.
4. The method for preparing regenerated cellulose fiber extracted from lotus plant as claimed in claim 3, wherein: the concentration of the acetic acid solution in the third step is 0.3mol/L, and the full extraction is carried out for 8 hours.
5. The method for preparing regenerated cellulose fiber extracted from lotus plant as claimed in claim 4, wherein the method comprises the following steps: the centrifugal treatment time in the third step is 15min, and the centrifugal rotating speed is 4000 r/min; the sodium chloride salting-out time is 8 h.
6. The method for preparing regenerated cellulose fiber extracted from lotus plant as claimed in claim 5, wherein the method comprises the following steps: the centrifugal treatment time in the fourth step is 15 min; the concentration of the acetic acid solution was 0.1 mol/L.
7. The method for preparing regenerated cellulose fiber extracted from lotus plant as claimed in claim 6, wherein: in the fifth step, the content of the lotus leaf extract in the spinning solution is 8wt% -12 wt%, the regenerated cellulose spinning solution is a viscose spinning solution, and the concentration of the viscose spinning solution is 30%.
8. The method for preparing regenerated cellulose fiber extracted from lotus plant as claimed in claim 7, wherein: in the sixth step, the aperture of the spinneret orifice is 0.06mm, and the stretching multiple of the spinneret is 1.2 times.
9. The method for preparing regenerated cellulose fiber extracted from lotus plant as claimed in claim 8, wherein: in the seventh step, the cut length of the regenerated cellulose staple fiber is 38 mm.
10. The method for preparing regenerated cellulose fiber extracted from lotus plant as claimed in claim 9, wherein: in the eighth step, the temperature of the NaOH aqueous solution is 45 ℃ and the concentration is 4g/L; the temperature of hot water washing is 38 ℃; the drying temperature is 80 ℃.
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| CN202010289398.0A CN111349976A (en) | 2020-04-14 | 2020-04-14 | Preparation method of regenerated cellulose fiber extracted from lotus plants |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114635197A (en) * | 2021-12-15 | 2022-06-17 | 江苏金太阳纺织科技股份有限公司 | Lotus regenerated cellulose fiber and preparation method thereof |
| CN115074852A (en) * | 2022-07-19 | 2022-09-20 | 陕西金禾农业科技有限公司 | Extraction, preparation and method of straw fiber powder |
| CN115717280A (en) * | 2022-11-24 | 2023-02-28 | 西安工程大学 | Multifunctional regenerated cellulose fiber based on waste lotus stems and preparation method thereof |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20050014895A1 (en) * | 2002-01-04 | 2005-01-20 | Guanqi Li | Phytoprotein synthetic fibre and method of manufacture thereof |
| US20170051435A1 (en) * | 2015-08-18 | 2017-02-23 | Easy Health Inc. | Mint-containing composite cellulose fiber and production method thereof |
| CN109652869A (en) * | 2018-12-21 | 2019-04-19 | 江苏康溢臣生命科技有限公司 | A kind of collagen polypeptide regenerated celulose fibre and preparation method thereof |
| CN110965149A (en) * | 2019-10-14 | 2020-04-07 | 江苏康溢臣生命科技有限公司 | Water lily protein fiber and preparation process thereof |
-
2020
- 2020-04-14 CN CN202010289398.0A patent/CN111349976A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20050014895A1 (en) * | 2002-01-04 | 2005-01-20 | Guanqi Li | Phytoprotein synthetic fibre and method of manufacture thereof |
| US20170051435A1 (en) * | 2015-08-18 | 2017-02-23 | Easy Health Inc. | Mint-containing composite cellulose fiber and production method thereof |
| CN109652869A (en) * | 2018-12-21 | 2019-04-19 | 江苏康溢臣生命科技有限公司 | A kind of collagen polypeptide regenerated celulose fibre and preparation method thereof |
| CN110965149A (en) * | 2019-10-14 | 2020-04-07 | 江苏康溢臣生命科技有限公司 | Water lily protein fiber and preparation process thereof |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114635197A (en) * | 2021-12-15 | 2022-06-17 | 江苏金太阳纺织科技股份有限公司 | Lotus regenerated cellulose fiber and preparation method thereof |
| CN115074852A (en) * | 2022-07-19 | 2022-09-20 | 陕西金禾农业科技有限公司 | Extraction, preparation and method of straw fiber powder |
| CN115717280A (en) * | 2022-11-24 | 2023-02-28 | 西安工程大学 | Multifunctional regenerated cellulose fiber based on waste lotus stems and preparation method thereof |
| CN115717280B (en) * | 2022-11-24 | 2024-03-22 | 西安工程大学 | Multifunctional regenerated cellulose fiber based on waste lotus stalks and preparation method thereof |
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Application publication date: 20200630 |