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CN-121976390-A - Hydrogel mask fiber base cloth containing banana components and preparation method thereof

CN121976390ACN 121976390 ACN121976390 ACN 121976390ACN-121976390-A

Abstract

The invention discloses a hydrogel mask fiber base cloth containing banana components and a preparation method thereof, and relates to the technical field of mask fiber base cloth. The method comprises the steps of preparing banana stem fiber microcrystal, banana peel pectin with low esterification degree and banana active stock solution, carrying out hydrophobic modification on the fiber microcrystal, blending the fiber microcrystal with polylactic acid, cellulose diacetate and the like to obtain a reinforced spinning precursor, carrying out electrostatic spinning and hot-press shaping to obtain fiber base cloth, then introducing 2-hydroxyethyl methacrylate and acrylic acid into the base cloth through chemical grafting, sequentially solidifying with banana peel pectin solution and calcium chloride to obtain modified hydrophilic base cloth, finally immersing the base cloth in the banana active stock solution, carrying out vacuum loading, quick freezing and freeze drying to obtain the hydrogel mask fiber base cloth. The invention fully utilizes the components of each part of the banana, and the prepared base cloth has good mechanical strength, hydrophilicity and biocompatibility, is environment-friendly and has comprehensive efficacy.

Inventors

  • HAO JIHAI
  • HAO YUNHAN
  • MENG LINGHONG

Assignees

  • 青岛海赛尔新材料科技有限公司

Dates

Publication Date
20260505
Application Date
20260206

Claims (10)

  1. 1. The preparation method of the hydrogel mask fiber base cloth containing banana components is characterized by comprising the following steps: (1) Respectively preparing banana stem fiber microcrystalline acetone suspension, banana peel pectin with low esterification degree and banana active stock solution; (2) Carrying out hydrophobic coupling modification on banana stem fiber microcrystals; Polylactic acid and cellulose diacetate are dissolved in a dichloromethane/N, N-dimethylformamide mixed solvent together, polyvinylpyrrolidone and nano silicon dioxide are added, and then modified banana stem fiber microcrystal and polyethylene glycol are added, and the reinforced spinning precursor is obtained through ultrasonic dispersion and defoaming treatment; (3) Carrying out electrostatic spinning on the reinforced spinning precursor to obtain a nascent fiber membrane, and then carrying out hot-press shaping to obtain a fiber base cloth; (4) Immersing fiber base cloth into an aqueous solution containing 2-hydroxyethyl methacrylate and acrylic acid, guiding the solution to be wetted by utilizing the in-situ micro-dissolution pore-forming effect of PVP, performing chemical grafting reaction under the effect of an initiator, immersing the fiber base cloth into a low-esterification-degree banana peel pectin solution after cleaning, and immersing the fiber base cloth into a calcium chloride solution for curing after taking out to obtain modified hydrophilic cloth; (5) Immersing the modified hydrophilic cloth into banana active stock solution, carrying out deep loading under vacuum condition, taking out, immediately carrying out quick freezing treatment, and then carrying out vacuum freeze drying to obtain the hydrogel mask fiber base cloth.
  2. 2. The method for preparing the hydrogel mask fiber base cloth containing banana components according to claim 1, wherein in the step (1), the preparation method of the microcrystalline acetone suspension of the banana stem fiber comprises the following steps: And (3) after the banana stem fiber is subjected to alkali boiling degumming and sodium chlorite bleaching, adding a sulfuric acid solution with the mass concentration of 60-65%, acidolysis at the temperature of 40-50 ℃ to remove an amorphous region, centrifuging and washing to be neutral after the reaction is ended, keeping a wet state and not drying, and carrying out solvent replacement by acetone to obtain the microcrystalline acetone suspension of the banana stem fiber.
  3. 3. The method for preparing the hydrogel mask fiber base cloth containing banana components according to claim 1, wherein in the step (1), the preparation method of the banana peel pectin with low esterification degree comprises the following steps: Extracting banana peel pectin by an acid heating method, filtering, cooling filtrate to 0-4 ℃, adjusting pH to be alkaline, stirring at a low temperature to perform protective de-esterification reaction, adjusting pH to be neutral, and obtaining pectin with low esterification degree through alcohol precipitation, dialysis and freeze drying.
  4. 4. The method for preparing the hydrogel mask fiber base cloth containing banana components according to claim 1, wherein in the step (1), the preparation method of the banana active stock solution comprises the following steps: Pulping banana pulp, adding a compound enzyme preparation, performing enzymolysis and liquefaction at 50 ℃, then heating to 90 ℃ and keeping for 5-10min to inactivate residual enzymes, cooling, centrifuging to obtain supernatant, and adding sodium hyaluronate with ultra-low molecular weight and preservative to obtain the banana active stock solution.
  5. 5. The method for preparing the hydrogel mask fiber base cloth containing banana components according to claim 1, wherein in the step (2), a non-amino silane coupling agent is adopted to carry out surface grafting modification on banana stem fiber microcrystals; The non-amino silane coupling agent is selected from silane coupling agents KH-570.
  6. 6. The preparation method of the hydrogel mask fiber base cloth containing banana components according to claim 1, wherein in the step (2), the mass ratio of polylactic acid to cellulose diacetate is 8 (1-3).
  7. 7. The preparation method of the hydrogel mask fiber base cloth containing banana components according to claim 1, wherein in the step (2), the mass ratio of polyvinylpyrrolidone to nano-silica is 3 (0.5-1.5).
  8. 8. The method for preparing the hydrogel mask fiber base cloth containing banana components according to claim 1, wherein in the step (4), the mass ratio of the 2-hydroxyethyl methacrylate to the acrylic acid is 3 (0.5-1.0).
  9. 9. The method for preparing a fibrous base fabric of a hydrogel mask containing banana components according to claim 1, wherein in the step (4), the initiator is ceric ammonium nitrate.
  10. 10. A hydrogel mask fiber base fabric containing banana components, which is characterized by being prepared by the method of any one of claims 1-9.

Description

Hydrogel mask fiber base cloth containing banana components and preparation method thereof Technical Field The invention relates to the technical field of fiber base cloth, in particular to hydrogel mask fiber base cloth containing banana components and a preparation method thereof. Background The hydrogel mask is a main stream of the market due to the advantages of high essence loading, good skin adhesion and the like, the core carrier fiber base cloth of the hydrogel mask needs to meet excellent mechanical strength, moisture absorption and retention properties and biocompatibility, and the application of natural fruit and vegetable components is an important direction for improving the skin care effect of the mask. The banana is used as common tropical fruit, the stems, the peels and the pulp of the banana are rich in natural components such as cellulose, pectin and polysaccharide, the banana has potential structure enhancement and hydrophilic modification values, the base cloth can be endowed with moisture preservation, relieving and other mild skin care effects, the recycling utilization of banana processing byproducts accords with green and environment-friendly industry guidance, and on the basis, the development of the hydrogel mask fiber base cloth which has the advantages of deep integration of banana components into the whole preparation process, excellent mechanical properties and natural skin care moisture preservation characteristics has important practical significance and application value. Disclosure of Invention The invention aims to provide a hydrogel mask fiber base cloth containing banana components and a preparation method thereof, which are used for solving the technical problems in the prior art. The mask base cloth prepared based on the banana components has both beneficial mechanical properties and moisturizing properties. In order to achieve the above purpose, the present invention provides the following technical solutions: A preparation method of a hydrogel mask fiber base cloth containing banana components comprises the following steps: (1) Respectively preparing banana stem fiber microcrystalline acetone suspension, banana peel pectin with low esterification degree and banana active stock solution; (2) Carrying out hydrophobic coupling modification on banana stem fiber microcrystals; Polylactic acid and cellulose diacetate are dissolved in a dichloromethane/N, N-dimethylformamide mixed solvent together, polyvinylpyrrolidone and nano silicon dioxide are added, and then modified banana stem fiber microcrystal and polyethylene glycol are added, and the reinforced spinning precursor is obtained through ultrasonic dispersion and defoaming treatment; (3) Carrying out electrostatic spinning on the reinforced spinning precursor to obtain a nascent fiber membrane, and then carrying out hot-press shaping to obtain a fiber base cloth; (4) Immersing fiber base cloth into an aqueous solution containing 2-hydroxyethyl methacrylate and acrylic acid, guiding the solution to be wetted by utilizing the in-situ micro-dissolution pore-forming effect of PVP, performing chemical grafting reaction under the effect of an initiator, immersing the fiber base cloth into a low-esterification-degree banana peel pectin solution after cleaning, and immersing the fiber base cloth into a calcium chloride solution for curing after taking out to obtain modified hydrophilic cloth; (5) Immersing the modified hydrophilic cloth into banana active stock solution, carrying out deep loading under vacuum condition, taking out, immediately carrying out quick freezing treatment, and then carrying out vacuum freeze drying to obtain the hydrogel mask fiber base cloth. The principle of realizing good mechanical properties of the fiber mask base cloth is that firstly banana stem fiber microcrystal (CNC) is selectively hydrolyzed by sulfuric acid to remove a cellulose amorphous region, high crystallinity nanocrystalline is reserved, then drying agglomeration is avoided through acetone solvent replacement, a nanometer reinforcing phase with excellent dispersibility is obtained, acetone is mixed with subsequent dichloromethane spinning solvent, the problem of microcrystal dispersion is solved from the source, KH570 non-aminosilane is adopted to carry out hydrophobic coupling modification on CNC, the risk of polylactic acid (PLA) ammonolysis caused by a traditional aminosilane coupling agent is avoided, meanwhile, the problem that CNC is difficult to centrifugally separate in dichloromethane is solved through acetone transition washing, and stable dispersion of CNC in the spinning solvent is realized. Blending the modified CNC dispersion liquid with PLA/Cellulose Diacetate (CDA) spinning stock solution, adding PEG-400 plasticizer, scattering nano aggregates through ultrasonic cavitation effect, enabling CNC to be uniformly dispersed at molecular level and exert physical rivet effect, filling gaps of high molecular chains, adding f