CN108411690A - A kind of silk base mask material and preparation method thereof with strong absorption and decomposing formaldehyde ability - Google Patents

A kind of silk base mask material and preparation method thereof with strong absorption and decomposing formaldehyde ability Download PDF

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Publication number
CN108411690A
CN108411690A CN201810174868.1A CN201810174868A CN108411690A CN 108411690 A CN108411690 A CN 108411690A CN 201810174868 A CN201810174868 A CN 201810174868A CN 108411690 A CN108411690 A CN 108411690A
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silk
mask material
particle
base mask
strong absorption
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陈东进
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Dongguan Lianzhou Intellectual Property Operation and Management Co Ltd
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Dongguan Lianzhou Intellectual Property Operation and Management Co Ltd
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Priority to CN201810174868.1A priority Critical patent/CN108411690A/en
Publication of CN108411690A publication Critical patent/CN108411690A/en
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    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21B—FIBROUS RAW MATERIALS OR THEIR MECHANICAL TREATMENT
    • D21B1/00—Fibrous raw materials or their mechanical treatment
    • D21B1/04—Fibrous raw materials or their mechanical treatment by dividing raw materials into small particles, e.g. fibres
    • D21B1/12—Fibrous raw materials or their mechanical treatment by dividing raw materials into small particles, e.g. fibres by wet methods, by the use of steam
    • D21B1/30—Defibrating by other means
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21D—TREATMENT OF THE MATERIALS BEFORE PASSING TO THE PAPER-MAKING MACHINE
    • D21D1/00—Methods of beating or refining; Beaters of the Hollander type
    • D21D1/02—Methods of beating; Beaters of the Hollander type
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
    • D21H13/00—Pulp or paper, comprising synthetic cellulose or non-cellulose fibres or web-forming material
    • D21H13/10—Organic non-cellulose fibres
    • D21H13/28—Organic non-cellulose fibres from natural polymers
    • D21H13/34—Protein fibres
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
    • D21H17/00—Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution
    • D21H17/20—Macromolecular organic compounds
    • D21H17/21—Macromolecular organic compounds of natural origin; Derivatives thereof
    • D21H17/24—Polysaccharides
    • D21H17/25—Cellulose
    • D21H17/26—Ethers thereof
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
    • D21H17/00—Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution
    • D21H17/63—Inorganic compounds
    • D21H17/67—Water-insoluble compounds, e.g. fillers, pigments
    • D21H17/675—Oxides, hydroxides or carbonates

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  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Wood Science & Technology (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Inorganic Chemistry (AREA)
  • Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)

Abstract

The present invention provides a kind of silk base mask material and preparation method thereof with strong absorption and decomposing formaldehyde ability, including silk fiber, cellulose aerogels particle and birnessite particle, preparation method are：It after fresh banana skin stripping and slicing, is placed in water and boils, sodium hydroxide is added, continue water bath with thermostatic control processing, filter to obtain filter residue, by filter residue etherified processing again, obtain banana scytoblastema carboxymethyl cellulose；Banana scytoblastema carboxymethyl cellulose is added in fibroin solutions, after mixing, is ground under ice bath environment, it is slowly added in the acid solution containing chloroform, is solidified into spherical shape, take out, fully cleaning, freeze-drying, obtains fibroin/cellulose aerogels particle；After natural silk degumming, cut-out forms short silk fiber solution, it discongests and is beaten, fibroin/cellulose aerogels particle and birnessite particle is added, after mixing, the silk base mask material with strong absorption and decomposing formaldehyde ability is prepared using handsheet technology.

Description

A kind of silk base mask material and its preparation with strong absorption and decomposing formaldehyde ability Method
Technical field
The invention belongs to textile material technical fields, and in particular to a kind of silk with strong absorption and decomposing formaldehyde ability Base mask material and preparation method thereof.
Background technology
Formaldehyde be it is a kind of it is colourless at room temperature, have special pungent and irritating gas, essentially from indoor furniture apply Smog caused by material, flooring material, wallpaper and cigarette combustion is chronically at concentration and is more than 10-7Formaldehyde environment in can draw Series of indoor air comprehensive disease is sent out, the safety of people's health and living environment is influenced.Formaldehyde pollutants in process chamber at present Method have the methods of absorption, catalysis oxidation and plant filtering, wherein absorption method is to remove the main means of formaldehyde, main profit With active carbon particle come formaldehyde adsorption, but active carbon particle and the specificity without formaldehyde adsorption, other gas in air Body small molecule can also occupy the active site of formaldehyde absorbing, reduce the adsorption rate of activated carbon PARA FORMALDEHYDE PRILLS(91,95), removal effect of formaldehyde is simultaneously What not notable and traditional indoor minimizing technology removed is the formaldehyde of indoor overall space, but in the air of human body sucking The short-term function and effect of the formaldehyde that contains are not obvious.
The disclosed silk-fibroin nanofiber haze protection productions based on discarded silk raw material of Chinese patent CN103879120A Product through degumming hydrolysis dissolving, compound active agent synthesis, ultra-filtration and separation and are dried to obtain silk using discarded silk as raw material Silk protein membrane is prepared in protein film, is dissolved in silk protein membrane is secondary in formic acid, and antibacterial, anti-ultraviolet functional nano powder is added Body, ultrasonic agitation handle to obtain spinning solution, and the silk-fibroin with multi-factor structure function, which is prepared, through spiral electrostatic spinning receives Rice tunica fibrosa, finally by silk-fibroin nano fibrous membrane with textile fabric is compound that haze Protection Product is prepared.This method will be at This lower useless silk is raw material, is prepared with the structure nanos grade wire protein fiber film such as porous, beading, is carried using polynary Height improves adsorption capacity of the fiber to subparticle, improves permeability, and have height to the contaminated air such as haze and PM2.5 Imitate protective action.A kind of composite filter material can be used for gas-liquid separation, the filtering disclosed in Chinese patent CN 105774149B Material includes contact layer, trapping layer and hydrophobic film layer, and wherein contact layer is by polypropylene, polytetrafluoroethylene (PTFE), polyethylene, polypropylene Nitrile, polyamide, polyester, Kynoar or polyether sulfone synthetic fibers are constituted, and trapping layer has PE/PO, CO-PET/PET or PE/ PET core-skin fibres and the bicomponent fibers of glass fibre, cellulose, wool or silk microfibre composition are constituted, hydrophobic film layer Polyethylene, polypropylene, Kynoar or the polyether sulfone for being 0.4-10 μm by aperture are constituted, filtering material profit prepared by this method Composite material is constituted with multiple fiber, makes composite material that not only there is higher separative efficiency, but also service life is high.By above-mentioned The prior art is it is found that the mistake with several functions can be prepared with other functional materials or fiber composite in silk fiber Filter material material, but the report at present about the mask material this aspect for targetedly adsorbing and handling formaldehyde function is actually rare.
Invention content
The technical problem to be solved in the present invention is to provide a kind of silk base masks with strong absorption and decomposing formaldehyde ability The cellulose aerogels particle formed after fibroin will be added in material and preparation method thereof in banana scytoblastema carboxymethyl cellulose It is added in silk fiber with birnessite particle, silk base mask material is prepared through handsheet technique, prepared by the present invention Both there is silk base mask material excellent pro-skin permeability, PARA FORMALDEHYDE PRILLS(91,95) to have good absorption and room-temperature decomposition ability, can By formaldehyde and the good isolation of human body, reduction even is eliminated injury of the formaldehyde to human body.
In order to solve the above technical problems, the technical scheme is that：
A kind of silk base mask material with strong absorption and decomposing formaldehyde ability, it is described that there is strong absorption and decomposing formaldehyde The silk base mask material of ability includes silk fiber, cellulose aerogels particle and birnessite particle, the cellulose gas Gel particle includes fibroin and banana scytoblastema carboxymethyl cellulose；
The preparation method of the cellulose aerogels particle is：After fresh banana skin stripping and slicing, it is placed in water and boils Sodium hydroxide is added in 5min, continues water bath with thermostatic control processing, filters to obtain filter residue, by filter residue etherified processing again, obtain banana scytoblastema Banana scytoblastema carboxymethyl cellulose is added in fibroin solutions by carboxymethyl cellulose, after mixing, in ice bath environment Lower grinding, is slowly added in the acid solution containing chloroform, is solidified into spherical shape, takes out, and fully cleans, and freeze-drying obtains Fibroin/cellulose aerogels particle.
As a preferred embodiment of the above technical solution, the preparation method of the birnessite particle is：By potassium permanganate and oxalic acid Ammonium is dissolved in deionized water, after mixing, 8-10h is stirred to react at 70-90 DEG C, refrigerated separation is cleaned and dried, obtains Birnessite particle, crushing grinding obtain micro/nano level birnessite particle powder.
As a preferred embodiment of the above technical solution, the content of silk fiber is 80-90wt% in the silk base mask material.
The present invention also provides a kind of preparation method with strong absorption and the silk base mask material of decomposing formaldehyde ability, packets Include following steps：
(1) it by after fresh banana skin stripping and slicing, is placed in water and boils 5min, sodium hydroxide is added, continue at water bath with thermostatic control Reason, filters to obtain filter residue, by filter residue etherified processing again, obtains banana scytoblastema carboxymethyl cellulose；
(2) banana scytoblastema carboxymethyl cellulose prepared by step (1) is added in fibroin solutions, is uniformly mixed Afterwards, it grinds, is slowly added in the acid solution containing chloroform under ice bath environment, be solidified into spherical shape, take out, fully clean, Freeze-drying, obtains fibroin/cellulose aerogels particle；
(3) by after natural silk degumming, cut-out is added in deionized water and forms the short silk fiber solution of 0.5-0.6%, discongests And mashing, the fibroin/cellulose aerogels particle and birnessite particle that step (2) preparation is added are adopted after mixing The silk base mask material with strong absorption and decomposing formaldehyde ability is prepared with handsheet technology.
As a preferred embodiment of the above technical solution, in the step (1), the temperature of water bath with thermostatic control processing is 70-80 DEG C, water-bath A concentration of 10-20% of middle sodium hydroxide, time 60-90min.
As a preferred embodiment of the above technical solution, in the step (1), the purity of banana scytoblastema carboxymethyl cellulose is 85- 90%.
As a preferred embodiment of the above technical solution, in the step (2), the temperature of grinding is -5~0 DEG C, time 5- 10min。
As a preferred embodiment of the above technical solution, in the step (2), the acid solution containing chloroform is volume ratio 2-3: 3-4:1 chloroform, ethyl acetate and acetic acid.
As a preferred embodiment of the above technical solution, in the step (3), the length of short silk fiber in short silk fiber solution For 0.1-5cm.
As a preferred embodiment of the above technical solution, in the step (3), the content of silk fiber is in silk base mask material 80-90wt%, quality 45-80g/cm2, aperture are 5-8 μm.
Compared with prior art, the invention has the advantages that：
(1) silk base mask material primary raw material prepared by the present invention is short silk fiber, and silk fiber is cut off and is beaten After form suspension, tangle to form three-dimensional network using silk fiber, while tangling by functional material fiber aeroge and Birnessite particles coat wherein, while not influencing the pro-skin gas permeability of silk base mask material, assigns silk base mask Material function, the functional material that the present invention selects are cellulose aerogels particle and birnessite particle, wherein cellulose gas Gel particle is the cellulose that is extracted in banana skin as main material, there are certain anti-biotic material in banana skin, therefore banana The cellulose extracted in skin has certain anti-microbial property, and cellulose is carried out carboxy methylation processing, is conducive to raising cellulose and exists Dispersion performance in water improves the compatibility with fibroin, and mixing is formed after carboxymethyl cellulose is mixed with fibroin Solution, then freeze-drying process obtain aerogel material, and carry out low-temperature treatment during mixing and avoid cellulose gel Change, hole is more loose in the cellulose aerogels particle being prepared, in aerogel particle silk gel adherency and package with The surface of cellulose improves the mechanical performance of aeroge and the compatibility of silk fiber, and is conducive to formaldehyde gas molecule Into the absorption with internal network.In addition, also containing birnessite particle, water sodium in silk base mask material prepared by the present invention The birnessite that manganese ore particle is prepared by potassium permanganate and ammonium oxalate, birnessite have two-dimensional layered structure enhydrite Material, the effect of the hydroxyl agent water vapour on surface at room temperature, can decomposing formaldehyde at room temperature, therefore birnessite particle is added Enter to silk fiber and assigns muzzle material Formaldehyde decomposition performance.Therefore the silk base mask material that prepared by the present invention not only has parent Skin permeability also has excellent absorption and decomposing formaldehyde performance.
(2) preparation method of the invention is simple, and controllability is strong, after mixing three using paper technique processed, utilizes handsheet Silk base mask material is prepared in technique, and preparation method is simple, and controllability is strong, the silk base mask material pro-skin of preparation Property and functionality it is all good, PARA FORMALDEHYDE PRILLS(91,95) have effects that well adsorb and decompose, can be used in the daily protection of formaldehyde, prevent human body from inhaling Enter excess formaldehyde to cause damages to body.
Specific implementation mode
Below in conjunction with specific embodiment, the present invention will be described in detail, herein illustrative examples and explanation of the invention For explaining the present invention, but it is not as a limitation of the invention.
Embodiment 1：
(1) it by after fresh banana skin stripping and slicing, is placed in water and boils 5min, sodium hydroxide is added, makes hydroxide in water-bath A concentration of the 10% of sodium continues water bath with thermostatic control processing 60min at 70 DEG C, filters to obtain filter residue, filter residue etherified processing again obtains The banana scytoblastema carboxymethyl cellulose for being 85% to purity.
(2) banana scytoblastema carboxymethyl cellulose is added in fibroin solutions, after mixing, in -5 DEG C of ice bath 5min is ground under environment, is slowly added to volume ratio 2:3:1 chloroform, the acidity containing chloroform of ethyl acetate and acetic acid In solution, it is solidified into spherical shape, is taken out, is fully cleaned, freeze-drying obtains fibroin/cellulose aerogels particle；
(3) it after natural silk degumming, will be cut to 0.1cm length, the short silk fiber that formation 0.5% in deionized water is added is molten Liquid is discongested and is beaten, and it is 1 that mass ratio, which is added,:1 fibroin/cellulose aerogels particle and birnessite particle, mixing are equal After even, the silk base mask material with strong absorption and decomposing formaldehyde ability is prepared using handsheet technology, wherein silk base The content of silk fiber is 80wt%, quality 45g/cm in mask material2, aperture is 5 μm.
Embodiment 2：
(1) it by after fresh banana skin stripping and slicing, is placed in water and boils 5min, sodium hydroxide is added, makes hydroxide in water-bath A concentration of the 20% of sodium continues water bath with thermostatic control processing 90min at 80 DEG C, filters to obtain filter residue, filter residue etherified processing again obtains The banana scytoblastema carboxymethyl cellulose for being 90% to purity.
(2) banana scytoblastema carboxymethyl cellulose is added in fibroin solutions, after mixing, in 0 DEG C of ice bath 10min is ground under environment, is slowly added to volume ratio 3:4:1 chloroform, the acid containing chloroform of ethyl acetate and acetic acid Property solution in, be solidified into spherical shape, take out, fully clean, freeze-drying, obtain fibroin/cellulose aerogels particle；
(3) it after natural silk degumming, will be cut to 5cm length, the short silk fiber that formation 0.6% in deionized water is added is molten Liquid is discongested and is beaten, and it is 0.5 that mass ratio, which is added,:1 fibroin/cellulose aerogels particle and birnessite particle, mixing After uniformly, the silk base mask material with strong absorption and decomposing formaldehyde ability is prepared using handsheet technology, wherein silk The content of silk fiber is 90wt%, quality 80g/cm in base mask material2, aperture is 8 μm.
Embodiment 3：
(1) it by after fresh banana skin stripping and slicing, is placed in water and boils 5min, sodium hydroxide is added, makes hydroxide in water-bath A concentration of the 15% of sodium continues water bath with thermostatic control processing 75min at 75 DEG C, filters to obtain filter residue, filter residue etherified processing again obtains The banana scytoblastema carboxymethyl cellulose for being 88% to purity.
(2) banana scytoblastema carboxymethyl cellulose is added in fibroin solutions, after mixing, in -2 DEG C of ice bath 6min is ground under environment, is slowly added to volume ratio 3:3:1 chloroform, the acidity containing chloroform of ethyl acetate and acetic acid In solution, it is solidified into spherical shape, is taken out, is fully cleaned, freeze-drying obtains fibroin/cellulose aerogels particle；
(3) it after natural silk degumming, will be cut to 1cm length, the short silk fiber that formation 0.52% in deionized water is added is molten Liquid is discongested and is beaten, and it is 1.5 that mass ratio, which is added,：1 fibroin/cellulose aerogels particle and birnessite particle, mixing After uniformly, the silk base mask material with strong absorption and decomposing formaldehyde ability is prepared using handsheet technology, wherein silk The content of silk fiber is 85wt%, quality 60g/cm in base mask material2, aperture is 6 μm.
Embodiment 4：
(1) it by after fresh banana skin stripping and slicing, is placed in water and boils 5min, sodium hydroxide is added, makes hydroxide in water-bath A concentration of the 12% of sodium continues water bath with thermostatic control processing 70min at 73 DEG C, filters to obtain filter residue, filter residue etherified processing again obtains The banana scytoblastema carboxymethyl cellulose for being 88% to purity.
(2) banana scytoblastema carboxymethyl cellulose is added in fibroin solutions, after mixing, in -2 DEG C of ice bath 6min is ground under environment, is slowly added to volume ratio 2.5:3:1 chloroform, the acid containing chloroform of ethyl acetate and acetic acid Property solution in, be solidified into spherical shape, take out, fully clean, freeze-drying, obtain fibroin/cellulose aerogels particle；
(3) it after natural silk degumming, will be cut to 3cm length, the short silk fiber that formation 0.53% in deionized water is added is molten Liquid is discongested and is beaten, and it is 0.3 that mass ratio, which is added,：1.2 fibroin/cellulose aerogels particle and birnessite particle mix After closing uniformly, the silk base mask material with strong absorption and decomposing formaldehyde ability is prepared using handsheet technology, wherein silkworm The content of silk fiber is 89wt%, quality 55g/cm in silk base mask material2, aperture is 6.5 μm.
Embodiment 5：
(1) it by after fresh banana skin stripping and slicing, is placed in water and boils 5min, sodium hydroxide is added, makes hydroxide in water-bath A concentration of the 14% of sodium continues water bath with thermostatic control processing 80min at 73 DEG C, filters to obtain filter residue, filter residue etherified processing again obtains The banana scytoblastema carboxymethyl cellulose for being 88% to purity.
(2) banana scytoblastema carboxymethyl cellulose is added in fibroin solutions, after mixing, in -1 DEG C of ice bath 9min is ground under environment, is slowly added to volume ratio 3:3.5:1 chloroform, the acid containing chloroform of ethyl acetate and acetic acid Property solution in, be solidified into spherical shape, take out, fully clean, freeze-drying, obtain fibroin/cellulose aerogels particle；
(3) it after natural silk degumming, will be cut to 2.5cm length, be added in deionized water and form 0.58% short silk fiber Solution is discongested and is beaten, and it is 5 that mass ratio, which is added,:1 fibroin/cellulose aerogels particle and birnessite particle, mixing After uniformly, the silk base mask material with strong absorption and decomposing formaldehyde ability is prepared using handsheet technology, wherein silk The content of silk fiber is 85wt%, quality 65g/cm in base mask material2, aperture is 7.5 μm.
Embodiment 6：
(1) it by after fresh banana skin stripping and slicing, is placed in water and boils 5min, sodium hydroxide is added, makes hydroxide in water-bath A concentration of the 10% of sodium continues water bath with thermostatic control processing 60min at 80 DEG C, filters to obtain filter residue, filter residue etherified processing again obtains The banana scytoblastema carboxymethyl cellulose for being 90% to purity.
(2) banana scytoblastema carboxymethyl cellulose is added in fibroin solutions, after mixing, in -5 DEG C of ice bath 10min is ground under environment, is slowly added to volume ratio 2:4:1 chloroform, the acid containing chloroform of ethyl acetate and acetic acid Property solution in, be solidified into spherical shape, take out, fully clean, freeze-drying, obtain fibroin/cellulose aerogels particle；
(3) it after natural silk degumming, will be cut to 0.5cm length, the short silk fiber that formation 0.6% in deionized water is added is molten Liquid is discongested and is beaten, and it is 2 that mass ratio, which is added,:1 fibroin/cellulose aerogels particle and birnessite particle, mixing are equal After even, the silk base mask material with strong absorption and decomposing formaldehyde ability is prepared using handsheet technology, wherein silk base The content of silk fiber is 90wt%, quality 45g/cm in mask material2, aperture is 8 μm.
After testing, the following institute of result of the formaldehyde absorbing amount and degradation rate of the silk base mask material that prepared by embodiment 1-6 Show：
Embodiment 1 Embodiment 2 Embodiment 3 Embodiment 4 Embodiment 5 Embodiment 6
Aldehyde adsorbance (mmol/g) 1.65 1.97 1.71 1.76 1.84 1.90
Degradation Formaldehyde reaction rate (K/min) 0.16 0.25 0.24 0.23 0.21 0.20
Degradation Formaldehyde rate (%) 65 72 70 68 69 70
As seen from the above table, the silk base mask material PARA FORMALDEHYDE PRILLS(91,95) that prepared by the present invention has good absorption property and degradability Can, can be used as mask material reduces human body PARA FORMALDEHYDE PRILLS(91,95) soakage.
The above-described embodiments merely illustrate the principles and effects of the present invention, and is not intended to limit the present invention.It is any ripe The personage for knowing this technology can all carry out modifications and changes to above-described embodiment without violating the spirit and scope of the present invention.Cause This, institute is complete without departing from the spirit and technical ideas disclosed in the present invention by those of ordinary skill in the art such as At all equivalent modifications or change, should by the present invention claim be covered.

Claims (10)

1. a kind of silk base mask material with strong absorption and decomposing formaldehyde ability, it is characterised in that：It is described that there is strong absorption Silk base mask material with decomposing formaldehyde ability includes silk fiber, cellulose aerogels particle and birnessite particle, institute It includes fibroin and banana scytoblastema carboxymethyl cellulose to state cellulose aerogels particle；
The preparation method of the cellulose aerogels particle is：After fresh banana skin stripping and slicing, it is placed in water and boils 5min, add Enter sodium hydroxide, continues water bath with thermostatic control processing, filter to obtain filter residue, by filter residue etherified processing again, obtain banana scytoblastema carboxymethyl Banana scytoblastema carboxymethyl cellulose is added in fibroin solutions by cellulose, after mixing, is ground under ice bath environment Mill, is slowly added in the acid solution containing chloroform, is solidified into spherical shape, takes out, and fully cleans, and freeze-drying obtains silk Albumen/cellulose aerogels particle.
2. a kind of silk base mask material with strong absorption and decomposing formaldehyde ability according to claim 1, feature It is, the preparation method of the birnessite particle is：Potassium permanganate and ammonium oxalate are dissolved in deionized water, are uniformly mixed Afterwards, 8-10h is stirred to react at 70-90 DEG C, refrigerated separation is cleaned and dried, obtains birnessite particle, crushing grinding obtains Micro/nano level birnessite particle powder.
3. a kind of silk base mask material with strong absorption and decomposing formaldehyde ability according to claim 1, feature It is：The content of silk fiber is 80-90wt% in the silk base mask material.
4. a kind of preparation method with strong absorption and the silk base mask material of decomposing formaldehyde ability, which is characterized in that including Following steps：
(1) it by after fresh banana skin stripping and slicing, is placed in water and boils 5min, sodium hydroxide is added, continue water bath with thermostatic control processing, mistake Filter residue is filtered to obtain, by filter residue etherified processing again, obtains banana scytoblastema carboxymethyl cellulose；
(2) banana scytoblastema carboxymethyl cellulose prepared by step (1) is added in fibroin solutions, after mixing, It grinds, is slowly added in the acid solution containing chloroform under ice bath environment, be solidified into spherical shape, take out, fully clean, freezing is dry It is dry, obtain fibroin/cellulose aerogels particle；
(3) by after natural silk degumming, cut-out is added in deionized water and forms the short silk fiber solution of 0.5-0.6%, discongests and beat Fibroin/cellulose aerogels particle and birnessite particle prepared by step (2) is added, after mixing, using copying in slurry The silk base mask material with strong absorption and decomposing formaldehyde ability is prepared in chip technology.
5. a kind of preparation side with strong absorption and the silk base mask material of decomposing formaldehyde ability according to claim 4 Method, it is characterised in that：In the step (1), the temperature of water bath with thermostatic control processing is 70-80 DEG C, the concentration of sodium hydroxide in water-bath For 10-20%, time 60-90min.
6. a kind of preparation side with strong absorption and the silk base mask material of decomposing formaldehyde ability according to claim 4 Method, it is characterised in that：In the step (1), the purity of banana scytoblastema carboxymethyl cellulose is 85-90%.
7. a kind of preparation side with strong absorption and the silk base mask material of decomposing formaldehyde ability according to claim 4 Method, it is characterised in that：In the step (2), the temperature of grinding is -5~0 DEG C, time 5-10min.
8. a kind of preparation side with strong absorption and the silk base mask material of decomposing formaldehyde ability according to claim 4 Method, it is characterised in that：In the step (2), the acid solution containing chloroform is volume ratio 2-3:3-4:1 chloroform, Ethyl acetate and acetic acid.
9. a kind of preparation side with strong absorption and the silk base mask material of decomposing formaldehyde ability according to claim 4 Method, it is characterised in that：In the step (3), the length of short silk fiber is 0.1-5cm in short silk fiber solution.
10. a kind of preparation with strong absorption and the silk base mask material of decomposing formaldehyde ability according to claim 4 Method, it is characterised in that：In the step (3), the content of silk fiber is 80-90wt%, quality in silk base mask material For 45-80g/cm2, aperture is 5-8 μm.
CN201810174868.1A 2018-03-02 2018-03-02 A kind of silk base mask material and preparation method thereof with strong absorption and decomposing formaldehyde ability Withdrawn CN108411690A (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113509822A (en) * 2020-04-09 2021-10-19 宁波方太厨具有限公司 Preparation method of nanofiber aerogel composite filter material for removing formaldehyde

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113509822A (en) * 2020-04-09 2021-10-19 宁波方太厨具有限公司 Preparation method of nanofiber aerogel composite filter material for removing formaldehyde
CN113509822B (en) * 2020-04-09 2022-04-19 宁波方太厨具有限公司 Preparation method of nanofiber aerogel composite filter material for removing formaldehyde

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Application publication date: 20180817