CN108385445B - A kind of high-performance nano paper and preparation method thereof - Google Patents
A kind of high-performance nano paper and preparation method thereof Download PDFInfo
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- CN108385445B CN108385445B CN201810062882.2A CN201810062882A CN108385445B CN 108385445 B CN108385445 B CN 108385445B CN 201810062882 A CN201810062882 A CN 201810062882A CN 108385445 B CN108385445 B CN 108385445B
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- 238000002360 preparation method Methods 0.000 title claims abstract description 50
- 239000002028 Biomass Substances 0.000 claims abstract description 31
- 229920002678 cellulose Polymers 0.000 claims abstract description 27
- 239000001913 cellulose Substances 0.000 claims abstract description 27
- 229910052961 molybdenite Inorganic materials 0.000 claims abstract description 15
- 229910052982 molybdenum disulfide Inorganic materials 0.000 claims abstract description 15
- 238000012545 processing Methods 0.000 claims abstract description 15
- 239000000725 suspension Substances 0.000 claims abstract description 14
- 238000003828 vacuum filtration Methods 0.000 claims abstract description 13
- 239000007921 spray Substances 0.000 claims abstract description 10
- 238000007731 hot pressing Methods 0.000 claims abstract description 9
- 239000011268 mixed slurry Substances 0.000 claims abstract description 7
- 239000000835 fiber Substances 0.000 claims abstract description 6
- 239000002131 composite material Substances 0.000 claims description 15
- 239000004570 mortar (masonry) Substances 0.000 claims description 15
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 13
- 238000000746 purification Methods 0.000 claims description 11
- 238000001027 hydrothermal synthesis Methods 0.000 claims description 9
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 claims description 8
- 239000004202 carbamide Substances 0.000 claims description 8
- 239000001301 oxygen Substances 0.000 claims description 8
- 229910052760 oxygen Inorganic materials 0.000 claims description 8
- 239000012528 membrane Substances 0.000 claims description 7
- 239000002060 nanoflake Substances 0.000 claims description 7
- 235000013162 Cocos nucifera Nutrition 0.000 claims description 6
- 244000060011 Cocos nucifera Species 0.000 claims description 6
- 238000001035 drying Methods 0.000 claims description 6
- 238000000265 homogenisation Methods 0.000 claims description 6
- 238000003756 stirring Methods 0.000 claims description 6
- 239000000126 substance Substances 0.000 claims description 6
- 238000006243 chemical reaction Methods 0.000 claims description 5
- FWDBOZPQNFPOLF-UHFFFAOYSA-N ethenyl(triethoxy)silane Chemical compound CCO[Si](OCC)(OCC)C=C FWDBOZPQNFPOLF-UHFFFAOYSA-N 0.000 claims description 5
- 238000000034 method Methods 0.000 claims description 5
- PQQKPALAQIIWST-UHFFFAOYSA-N oxomolybdenum Chemical compound [Mo]=O PQQKPALAQIIWST-UHFFFAOYSA-N 0.000 claims description 4
- 229920002472 Starch Polymers 0.000 claims description 3
- 150000001412 amines Chemical class 0.000 claims description 3
- 239000008107 starch Substances 0.000 claims description 3
- 235000019698 starch Nutrition 0.000 claims description 3
- 238000000855 fermentation Methods 0.000 claims description 2
- 230000004151 fermentation Effects 0.000 claims description 2
- 229910000476 molybdenum oxide Inorganic materials 0.000 claims description 2
- MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 claims 1
- 240000007594 Oryza sativa Species 0.000 claims 1
- 235000007164 Oryza sativa Nutrition 0.000 claims 1
- 238000002156 mixing Methods 0.000 claims 1
- 235000009566 rice Nutrition 0.000 claims 1
- 229910052751 metal Inorganic materials 0.000 abstract description 8
- 239000002184 metal Substances 0.000 abstract description 8
- 238000004519 manufacturing process Methods 0.000 abstract description 7
- 230000003075 superhydrophobic effect Effects 0.000 abstract description 6
- 239000000463 material Substances 0.000 abstract description 4
- 230000000845 anti-microbial effect Effects 0.000 abstract description 3
- 238000005507 spraying Methods 0.000 abstract description 3
- 229920001046 Nanocellulose Polymers 0.000 abstract description 2
- 230000000704 physical effect Effects 0.000 abstract description 2
- RMAQACBXLXPBSY-UHFFFAOYSA-N silicic acid Chemical compound O[Si](O)(O)O RMAQACBXLXPBSY-UHFFFAOYSA-N 0.000 abstract description 2
- 235000012239 silicon dioxide Nutrition 0.000 abstract description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 7
- 238000001514 detection method Methods 0.000 description 6
- 230000015572 biosynthetic process Effects 0.000 description 5
- 239000006185 dispersion Substances 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 5
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 description 4
- 239000005977 Ethylene Substances 0.000 description 4
- 125000001495 ethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 description 4
- -1 silicane alkane Chemical class 0.000 description 4
- 239000002002 slurry Substances 0.000 description 4
- 238000005406 washing Methods 0.000 description 4
- 241000894006 Bacteria Species 0.000 description 3
- 230000004888 barrier function Effects 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- 230000001590 oxidative effect Effects 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 150000001335 aliphatic alkanes Chemical class 0.000 description 1
- 230000000844 anti-bacterial effect Effects 0.000 description 1
- 239000011230 binding agent Substances 0.000 description 1
- 229960000074 biopharmaceutical Drugs 0.000 description 1
- 210000000170 cell membrane Anatomy 0.000 description 1
- 238000013329 compounding Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 230000002779 inactivation Effects 0.000 description 1
- 230000008595 infiltration Effects 0.000 description 1
- 238000001764 infiltration Methods 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002086 nanomaterial Substances 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- AHKZTVQIVOEVFO-UHFFFAOYSA-N oxide(2-) Chemical compound [O-2] AHKZTVQIVOEVFO-UHFFFAOYSA-N 0.000 description 1
- 238000011056 performance test Methods 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 238000006479 redox reaction Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
- YUKQRDCYNOVPGJ-UHFFFAOYSA-N thioacetamide Chemical compound CC(N)=S YUKQRDCYNOVPGJ-UHFFFAOYSA-N 0.000 description 1
- DLFVBJFMPXGRIB-UHFFFAOYSA-N thioacetamide Natural products CC(N)=O DLFVBJFMPXGRIB-UHFFFAOYSA-N 0.000 description 1
- 229920002554 vinyl polymer Polymers 0.000 description 1
- 239000002023 wood Substances 0.000 description 1
Classifications
-
- 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
- D21H27/00—Special paper not otherwise provided for, e.g. made by multi-step processes
-
- 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
- D21H11/00—Pulp or paper, comprising cellulose or lignocellulose fibres of natural origin only
- D21H11/12—Pulp from non-woody plants or crops, e.g. cotton, flax, straw, bagasse
-
- 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
-
- 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
- D21H19/00—Coated paper; Coating material
- D21H19/10—Coatings without pigments
- D21H19/14—Coatings without pigments applied in a form other than the aqueous solution defined in group D21H19/12
-
- 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
- D21H19/00—Coated paper; Coating material
- D21H19/10—Coatings without pigments
- D21H19/14—Coatings without pigments applied in a form other than the aqueous solution defined in group D21H19/12
- D21H19/16—Coatings without pigments applied in a form other than the aqueous solution defined in group D21H19/12 comprising curable or polymerisable compounds
-
- 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
- D21H21/00—Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties
- D21H21/14—Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties characterised by function or properties in or on the paper
- D21H21/16—Sizing or water-repelling agents
-
- 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
- D21H23/00—Processes or apparatus for adding material to the pulp or to the paper
- D21H23/02—Processes or apparatus for adding material to the pulp or to the paper characterised by the manner in which substances are added
- D21H23/22—Addition to the formed paper
- D21H23/50—Spraying or projecting
-
- 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
- D21H25/00—After-treatment of paper not provided for in groups D21H17/00 - D21H23/00
- D21H25/04—Physical treatment, e.g. heating, irradiating
- D21H25/06—Physical treatment, e.g. heating, irradiating of impregnated or coated paper
Landscapes
- Chemical & Material Sciences (AREA)
- Inorganic Chemistry (AREA)
- Paper (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
Abstract
The present invention discloses a kind of high-performance nano paper and preparation method thereof, belongs to special material production field.The preparation method includes the preparation of biomass cellulose, MoS2Preparation, mixed slurry preparation, vacuum filtration at paper, surface spraying, high temperature it is damp and hot pressure and etc..Metal phase MoS is added in the present invention in biomass nano cellulose suspension2Nanometer sheet, while surface is carried out to paper and sprays silicic acid anhydride, assign its super-hydrophobic effect；The wet hot-pressing processing of high temperature makes fiber and MoS inside nanometer paper2Nanometer sheet combine it is even closer, be conducive to improve nanometer paper evenness and intensity；Biomass fiber can significantly improve into the physics Qiang Du ﹑ flexibility and transparency of paper, metal phase MoS2Nanometer sheet can assign the good fire resistance of nanometer paper and anti-microbial property；Guarantee into paper to possess good physical property while also having the superior ﹑ of Nai Huo Kang Jun ﹑ super-hydrophobic and high transparency.
Description
Technical field
The invention belongs to special material production fields, and in particular to a kind of high-performance nano paper and preparation method thereof.
Background technique
Paper is that fibre stuff is prepared by two classical processes of slurrying and papermaking, and centre contains many works
Sequence, influence factor are various.Papermaking technology is one of four invents by China, and just there be very deep make in China in terms of papermaking since ancient times
It calls on and accumulates.Paper product huge number is all widely used in all trades and professions.Compared to plain paper, nanometer paper papery is smooth
It is fine and smooth, flexible durable, also there is relatively good barrier property and optical property, there is high application value, cause more next
More concerns.
So-called nanometer paper broadly refers to the paper using nano material or nanotechnology production；In general, it is
Refer to that as nanoscale cellulose be paper made of the primary raw material system of copying.Nanometer paper is although best in quality, but it is by raw material nano
The restriction of cellulose, nano-cellulose also wood has realization to industrialize at present, therefore the production efficiency of nanometer paper is very low, is difficult full
The needs in sufficient market.In addition, nanometer paper is in transparence display, bio-pharmaceuticals, the fields such as high-end manufacture show huge potentiality,
Want to be put into practical application, needs further to be promoted the performance of nanometer paper, such as Shu Shui ﹑ Kang Jun ﹑ fire resisting ﹑ high transparency
Xing ﹑ high intensity etc..If can according to actual needs, the various performances of compound material seek specific technique, prepare high-performance
Nanometer paper, the development to social progress and science and technology is generated into significant facilitation.
Based on the not high status of current conventional nanometer paper comprehensive performance, it is necessary to seek a kind of suitable production method and mention
Its high comprehensive performance feature, the disadvantages of making up nanometer paper fire resistance Cha ﹑ moisture-sensitive and polluted by bacterium, to produce high performance nanometer
Paper improves the service life of paper, assigns its high added value, meets the needs of each level.
Summary of the invention
The shortcomings that in order to overcome existing paper production technology and deficiency, the primary purpose of the present invention is that providing a kind of high property
The preparation method of energy nanometer paper.
The metal phase MoS for having both fire resistance and anti-microbial property is added in the present invention in biomass nano cellulose suspension2
Nanometer sheet, while surface is carried out to paper and sprays silicic acid anhydride, its super-hydrophobic effect is assigned, the wet hot-pressing processing of high temperature is conducive to
The evenness and intensity of nanometer paper are improved, guarantee to possess good physical property at paper while also having the superior ﹑ of Nai Huo Kang Jun ﹑ super
Hydrophobic and high transparency.
Another object of the present invention is to provide the high-performance nano paper being prepared by above-mentioned preparation method.
The purpose of the invention is achieved by the following technical solution:
A kind of preparation method of high-performance nano paper, comprising the following steps:
(1) preparation of biomass cellulose: by coconut fermenting organism synthesized gel rubber, decentralized processing is then carried out, then
Homogenization is carried out, biomass cellulose suspension is obtained；
(2)MoS2Preparation: be prepared, and carried out at purifying by hydro-thermal method by oxygen molybdenum ﹑ thioacetyl amine ﹑ urea
Reason；
(3) preparation of mixed slurry: by the MoS in step (2) under conditions of stirring2The biology being added in step (1)
In matter cellulose suspension, composite mortar is made；
(4) vacuum filtration is at paper: the composite mortar that step (3) is obtained is dried by the method Cheng Xing ﹑ Tuo Shui ﹑ of vacuum filtration
Dry-cure obtains pattern；
(5) surface sprays: the positive and negative upper a certain amount of low-surface energy substance of surface spraying of the pattern obtained by step (4), then into
Row drying；
(6) the damp and hot pressure of high temperature: the pattern that step (5) is obtained carries out the wet hot-pressing processing of high temperature, then dries, high property is made
It can nanometer paper.
Fermentation described in step (1) is in temperature: 25~30 DEG C, relative humidity: being carried out under 60~80%RH；It is described
Dispersion refer to that biomass gel disperses 10~20min in the high speed disperser that revolving speed is 6000~10000r/min, obtain straight
Diameter is 20~38nm, the biomass cellulose of 580~720nm of length.
MoS described in step (2)2Be in 25mL autoclave by hydro-thermal reaction (200~220 DEG C of temperature, when
Between 15~16h) synthesis, wherein molybdenum oxide: thioacetamide: the mass ratio of urea is (20~24): (24~28): (0.1~
0.2).MoS after purification2It is a kind of nano flake, length is 40~50nm.
The MoS of biomass Xian Wei Su ﹑ described in step (3)2With absolute dry mass ratio (6~8): the ratio uniform of (1~2) is mixed
It closes.
Vacuum filtration described in step (4) refers to that will starch the dense composite mortar for being 0.05~0.15% passes through vacuum at paper
Filter (including the filter membrane that aperture is 0.65 μm) filters.
Preferably, vacuum filtration described in step (4) refers at paper will starch the dense composite mortar for being 0.10~0.15%
It is filtered by vacuum filter (including the filter membrane that aperture is 0.65 μm).
Low-surface energy substance described in step (5) is a kind of vinyltriethoxysilane (VETO) of free-floride, dosage
It is the 0.1~0.3% of pattern absolute dry mass.
The condition of the damp and hot pressure of high temperature described in step (6) are as follows: temperature is 140~150 DEG C；Pressure is 8~10MPa；When
Between be 0.5~1.0 hour.
A kind of high-performance nano paper, is prepared by above-mentioned preparation method.
The performance of the high-performance nano paper: quantitative: 56.2~56.8g/m2；Tensile strength: 265~296MPa；Oxygen
Index: 35.6~37.9%；Bacteriostasis rate: 95.3~98.1%；To the contact angle of water: 158~167 °, to the roll angle 2 of water~
5°；Transparency: 87.5~91.6%.
High-performance nano paper of the invention is using biomass cellulose and metal phase MoS2Rationally compounding, mutual supplement with each other's advantages
Strategy.Biomass cellulose is a kind of nano-cellulose, have high-purity, large specific surface area, high-crystallinity, big L/D ratio,
The performance advantages such as high Young's modulus and high transparency, are a kind of enhancing binders, and the paper created is very flexible transparent；Metal
The MoS of phase2It is the main source of paper fire resisting and antibacterial, MoS2It is thin with lower thermal coefficient and good flame-retarding characteristic
Nanometer sheet can form a nanoscale barrier layer so as to inhibit the infiltration of outside heat and oxygen；Furthermore MoS2Nano flake
It is a kind of two-dimensional material, it can generate shear pressure to the cell membrane of bacterium, on the other hand in metal phase MoS2In two-dimensional structure,
Oxide anion (O2 .-) oxidative pressure, work of the bacterium in shear pressure and oxidative pressure can be generated by redox reaction
With inactivation.Two kinds of substances are compounded by suitable ratio, and using vacuum filtration at paper technology, then carry out into the spray of paper surface
It applies low-surface energy substance (VTEO), finally carries out the wet hot-pressing processing of high temperature, prepare while having both superior object rationality energy ﹑ and is resistance to
Huo ﹑ Kang Jun ﹑ is super-hydrophobic and transparent high high-performance nano paper.
The present invention has the following advantages and effects with respect to the prior art:
(1) high-performance nano paper prepared by the present invention is by biomass cellulose and metal phase MoS2Nanometer sheet rationally compounds
And obtain, make full use of the advantage of each ingredient, biomass fiber can significantly improve into the physics Qiang Du ﹑ flexibility of paper and transparent
Degree, metal phase MoS2Nanometer sheet can assign the good fire resistance of nanometer paper and anti-microbial property.
(2) surface spraying technology is used, floride-free low-surface energy substance-vinyl triethoxyl silicon is being sprayed at paper surface
Alkane (VTEO) makes nanometer paper have good super-hydrophobic effect.
(3) present invention is conducive to improve the evenness of nanometer paper using damp and hot pressure processing method, makes the fiber inside nanometer paper
With MoS2Nanometer sheet combine it is even closer, thus make nanometer paper have stronger toughness and smoothness.
Specific embodiment
Below with reference to embodiment, the present invention is described in further detail, and embodiments of the present invention are not limited thereto.
In the present invention: the detection of various parameters is carried out according to national standard detection method and professional standard, specific: fixed
Measure (GB/T 451.2-2002) ﹑ tensile strength (GB/T 451.2-2002) ﹑ oxygen index (OI) (GB/T2406.2-2009) ﹑ bacteriostasis rate
(the contact angle and roll angle (GBT30693-2014) ﹑ transparency (GB/T 2679.1-1993) of FZ/T 73023-2006) ﹑ water
Equal performance tests.
Embodiment 1
A kind of preparation method of high-performance nano paper of the present embodiment, specific preparation process is as follows:
(1) preparation of biomass cellulose: by a certain amount of coconut at 25 DEG C of temperature, humidity is fermented under the conditions of being 60%RH
Then gel is carried out dispersion 10min in the high speed disperser that revolving speed is 6000r/min, then carried out by biosynthesis gel
Homogenization, obtaining diameter is 38nm, and length is the biomass cellulose suspension of 720nm；
(2)MoS2Preparation: by Yangization Mu ﹑ thioacetyl An ﹑ urea according to mass ratio be 20:24:0.1 ratio pass through
Hydro-thermal reaction preparation, reaction temperature are 200 DEG C, time 15h, and carry out washing purification process from heart ﹑, MoS after purification2It is one
Kind nano flake, length 50nm；
(3) preparation of mixed slurry: by the MoS in step (2) under conditions of stirring2It is added to absolute dry mass ratio 6:1
In biomass cellulose suspension in step (1), composite mortar is made；
(4) vacuum filtration is at paper: the composite mortar that step (3) obtains is passed through vacuum filter so that 0.15% slurry is dense
(including the filter membrane that aperture is 0.65 μm) filters Cheng Xing ﹑ Tuo Shui ﹑ drying and processing, obtains pattern；
(5) surface sprays: the ethylene that absolute dry mass is 0.1% on the positive and negative surface even application of pattern obtained by step (4)
Ethyl triethoxy silicane alkane, then be dried；
(6) the damp and hot pressure of high temperature: the pattern that step (5) is obtained is 140 DEG C in temperature, and pressure carries out high under the conditions of being 8MPa
Warm and humid hot-pressing processing 0.5 hour, is then dried, and high-performance nano paper is made.
The performance detection data of the high-performance nano paper of the present embodiment: quantitative: 56.2g/m2；Tensile strength: 265~
273MPa；Oxygen index (OI): 36.4%；Bacteriostasis rate: 96.1%；To the contact angle of water: 158 °, to 5 ° of roll angle of water；Transparency:
91.6%.
Embodiment 2
A kind of preparation method of high-performance nano paper of the present embodiment, specific preparation process is as follows:
(1) preparation of biomass cellulose: by a certain amount of coconut at 25 DEG C of temperature, humidity is fermented under the conditions of being 70%RH
Then gel is carried out dispersion 15min in the high speed disperser that revolving speed is 8000r/min, then carried out by biosynthesis gel
Homogenization, obtaining diameter is 30nm, and length is the biomass cellulose suspension of 676nm；
(2)MoS2Preparation: by Yangization Mu ﹑ thioacetyl An ﹑ urea according to mass ratio be 22:24:0.1 ratio pass through
Hydro-thermal reaction preparation, reaction temperature are 210 DEG C, time 15h, and carry out washing purification process from heart ﹑, MoS after purification2It is one
Kind nano flake, length 47nm；
(3) preparation of mixed slurry: by the MoS in step (2) under conditions of stirring2It is added to absolute dry mass ratio 7:2
In biomass cellulose suspension in step (1), composite mortar is made；
(4) vacuum filtration is at paper: the composite mortar that step (3) obtains is passed through vacuum filter so that 0.10% slurry is dense
(including the filter membrane that aperture is 0.65 μm) filters Cheng Xing ﹑ Tuo Shui ﹑ drying and processing, obtains pattern；
(5) surface sprays: the ethylene that absolute dry mass is 0.2% on the positive and negative surface even application of pattern obtained by step (4)
Ethyl triethoxy silicane alkane, then be dried；
(6) the damp and hot pressure of high temperature: the pattern that step (5) is obtained is 140 DEG C in temperature, and pressure carries out high under the conditions of being 9MPa
Warm and humid hot-pressing processing 0.5 hour, is then dried, and high-performance nano paper is made.
The performance detection data of the high-performance nano paper of the present embodiment: quantitative: 56.4g/m2；Tensile strength: 265MPa；Oxygen
Index: 35.6%；Bacteriostasis rate: 98.1%；To the contact angle of water: 163 °, to 3 ° of roll angle of water；Transparency: 90.7%.
Embodiment 3
A kind of preparation method of high-performance nano paper of the present embodiment, specific preparation process is as follows:
(1) preparation of biomass cellulose: by a certain amount of coconut at 30 DEG C of temperature, humidity is fermented under the conditions of being 80%RH
Then gel is carried out dispersion 20min in the high speed disperser that revolving speed is 9000r/min, then carried out by biosynthesis gel
Homogenization, obtaining diameter is 26nm, and length is the biomass cellulose suspension of 625nm；
(2)MoS2Preparation: by Yangization Mu ﹑ thioacetyl An ﹑ urea according to mass ratio be 24:26:0.1 ratio pass through
Hydro-thermal reaction preparation, reaction temperature are 220 DEG C, time 16h, and carry out washing purification process from heart ﹑, MoS after purification2It is one
Kind nano flake, length 43nm；
(3) preparation of mixed slurry: by the MoS in step (2) under conditions of stirring2It is added to absolute dry mass ratio 8:1
In biomass cellulose suspension in step (1), composite mortar is made；
(4) vacuum filtration is at paper: the composite mortar that step (3) obtains is passed through vacuum filter so that 0.15% slurry is dense
(including the filter membrane that aperture is 0.65 μm) filters Cheng Xing ﹑ Tuo Shui ﹑ drying and processing, obtains pattern；
(5) surface sprays: the ethylene that absolute dry mass is 0.3% on the positive and negative surface even application of pattern obtained by step (4)
Ethyl triethoxy silicane alkane, then be dried；
(6) the damp and hot pressure of high temperature: the pattern that step (5) is obtained is 150 DEG C in temperature, and pressure carries out high under the conditions of being 9MPa
Warm and humid hot-pressing processing 1.0 hours, is then dried, and high-performance nano paper is made.
The performance detection data of the high-performance nano paper of the present embodiment: quantitative: 56.8g/m2；Tensile strength: 296MPa；Oxygen
Index: 37.1%；Bacteriostasis rate: 95.3%；To the contact angle of water: 167 °, to 4 ° of roll angle of water；Transparency: 87.5%.
Embodiment 4
A kind of preparation method of high-performance nano paper of the present embodiment, specific preparation process is as follows:
(1) preparation of biomass cellulose: by a certain amount of coconut at 30 DEG C of temperature, humidity is fermented under the conditions of being 80%RH
Then gel is carried out dispersion 20min in the high speed disperser that revolving speed is 10000r/min, then carried out by biosynthesis gel
Homogenization, obtaining diameter is 20nm, and length is the biomass cellulose suspension of 580nm；
(2)MoS2Preparation: by Yangization Mu ﹑ thioacetyl An ﹑ urea according to mass ratio be 24:28:0.2 ratio pass through
Hydro-thermal reaction preparation, reaction temperature are 200 DEG C, time 16h, and carry out washing purification process from heart ﹑, MoS after purification2It is one
Kind nano flake, length 40nm；
(3) preparation of mixed slurry: by the MoS in step (2) under conditions of stirring2It is added to absolute dry mass ratio 8:2
In biomass cellulose suspension in step (1), composite mortar is made；
(4) vacuum filtration is at paper: the composite mortar that step (3) obtains is passed through vacuum filter so that 0.15% slurry is dense
(including the filter membrane that aperture is 0.65 μm) filters Cheng Xing ﹑ Tuo Shui ﹑ drying and processing, obtains pattern；
(5) surface sprays: the ethylene that absolute dry mass is 0.3% on the positive and negative surface even application of pattern obtained by step (4)
Ethyl triethoxy silicane alkane, then be dried；
(6) the damp and hot pressure of high temperature: the pattern that step (5) is obtained is 150 DEG C in temperature, and pressure carries out under the conditions of being 10MPa
The wet hot-pressing processing of high temperature 1.0 hours, is then dried, and high-performance nano paper is made.
The performance detection data of the high-performance nano paper of the present embodiment: quantitative: 56.6g/m2；Tensile strength: 281MPa；Oxygen
Index: 37.9%；Bacteriostasis rate: 97.6%；To the contact angle of water: 165 °, to 2 ° of roll angle of water；Transparency: 89.2%.
The above embodiment is a preferred embodiment of the present invention, but embodiments of the present invention are not by above-described embodiment
Limitation, other any changes, modifications, substitutions, combinations, simplifications made without departing from the spirit and principles of the present invention,
It should be equivalent substitute mode, be included within the scope of the present invention.
Claims (9)
1. a kind of preparation method of high-performance nano paper, it is characterised in that the following steps are included:
(1) preparation of biomass cellulose: by coconut fermenting organism synthesized gel rubber, decentralized processing is then carried out, is then carried out
Homogenization obtains biomass cellulose suspension；
(2)MoS2Preparation: be prepared by oxygen molybdenum ﹑ thioacetyl amine ﹑ urea by hydro-thermal method, and carry out purification process；
(3) preparation of mixed slurry: by the MoS in step (2) under conditions of stirring2The biomass fiber being added in step (1)
In plain suspension, composite mortar is made；
(4) vacuum filtration is at paper: at method Cheng Xing ﹑ Tuo Shui ﹑ drying of the composite mortar that step (3) is obtained by vacuum filtration
Reason, obtains pattern；
(5) surface sprays: the positive and negative surface of the pattern obtained by step (4) sprays upper a certain amount of low-surface energy substance, then is done
It is dry；
(6) the damp and hot pressure of high temperature: the pattern that step (5) is obtained carries out the wet hot-pressing processing of high temperature, then dries, obtained high-performance is received
Rice paper；
The MoS of biomass Xian Wei Su ﹑ described in step (3)2With absolute dry mass ratio (6~8): the ratio uniform mixing of (1~2).
2. the preparation method of high-performance nano paper according to claim 1, it is characterised in that:
Fermentation described in step (1) is in temperature: 25~30 DEG C, relative humidity: being carried out under 60~80%RH；Point
It dissipates and refers to that biomass gel disperses 10~20min in the high speed disperser that revolving speed is 6000~10000r/min, obtaining diameter is
20~38nm, the biomass cellulose of 580~720nm of length.
3. the preparation method of high-performance nano paper according to claim 1, it is characterised in that:
MoS described in step (2)2It is to be synthesized in a high pressure reaction kettle by hydro-thermal reaction, wherein molybdenum oxide: thioacetyl
Amine: the mass ratio of urea is (20~24): (24~28): (0.1~0.2)；The condition of hydro-thermal reaction is 200~220 DEG C of temperature,
15~16h of time.
4. the preparation method of high-performance nano paper according to claim 1, it is characterised in that:
In step (2), MoS after purification2It is a kind of nano flake, length is 40~50nm.
5. the preparation method of high-performance nano paper according to claim 1, it is characterised in that:
Vacuum filtration described in step (4) refers to that will starch the dense composite mortar for being 0.05~0.15% passes through vacuum filter at paper
Device filters；
The vacuum filter includes the filter membrane that aperture is 0.65 μm.
6. the preparation method of high-performance nano paper according to claim 1, it is characterised in that:
Low-surface energy substance described in step (5) is vinyltriethoxysilane, dosage be pattern absolute dry mass 0.1~
0.3%.
7. the preparation method of high-performance nano paper according to claim 1, it is characterised in that:
The condition of the damp and hot pressure of high temperature described in step (6) are as follows: temperature is 140~150 DEG C；Pressure is 8~10MPa；Time is
0.5~1.0 hour.
8. a kind of high-performance nano paper, it is characterised in that be prepared by the described in any item preparation methods of claim 1~7
It arrives.
9. high-performance nano paper according to claim 8, it is characterised in that:
The performance of the high-performance nano paper: quantitative: 56.2~56.8g/m2；Tensile strength: 265~296MPa；Oxygen index (OI):
35.6~37.9%；Bacteriostasis rate: 95.3~98.1%；To the contact angle of water: 158~167 °, to 2~5 ° of roll angle of water；Thoroughly
Lightness: 87.5~91.6%.
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