CN105037760B - A kind of preparation method of cellulose nano-fibrous flexible transparent film - Google Patents
A kind of preparation method of cellulose nano-fibrous flexible transparent film Download PDFInfo
- Publication number
- CN105037760B CN105037760B CN201510386876.9A CN201510386876A CN105037760B CN 105037760 B CN105037760 B CN 105037760B CN 201510386876 A CN201510386876 A CN 201510386876A CN 105037760 B CN105037760 B CN 105037760B
- Authority
- CN
- China
- Prior art keywords
- product
- cnfs
- preparation
- films
- transparent film
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Landscapes
- Manufacture Of Macromolecular Shaped Articles (AREA)
- Moulding By Coating Moulds (AREA)
Abstract
The invention discloses a kind of preparation methods of cellulose nano-fibrous flexible transparent film.It includes the following steps：A, the suspension of CNFs is prepared, is A product；B, small molecule plasticizer or water-based polymer are added into A product, continues stirring until viscosity and drops to 1.5Pas hereinafter, vacuum removal bubble, obtains casting solution, for B product；C, B product are poured into casting film container, after vacuum standing, gas removal bubble, is put into baking oven, after solvent evaporating completely, obtained modified CNFs films, be finished product.The present invention has the characteristics that pollution-free, at low cost, the modification CNFs films of preparation are not only flexible, optical transmission is high, and have the characteristics that it is light, cheap, have good industrial prospect, can be widely applied in the fields such as photoelectricity, biological medicine, agricultural, chemical industry, food and environment.
Description
The application is a kind of divisional application of the preparation method of cellulose nano-fibrous flexible transparent film, the application of original application
Day：2013-04-27, application number：201310155994.X invention and created name：A kind of cellulose nano-fibrous flexible transparent film
Preparation method.
Technical field
The present invention relates to a kind of preparation method of organic flexible hyaline membrane more particularly to cellulose nano-fibrous flexible and transparents
The preparation method of film.
Background technology
Cellulose is renewable resource most abundant on the earth, environmentally safe, makes full use of cellulose not only can be with
Environmental protection, and crisis caused by petroleum resources increasingly depleted can be alleviated, have for the sustainable development of human society
It is significant.So far, the production of cellulose membrane is partially that membrane product is made using cellulose diffraction product, industry
The mainly viscose process changed produces glassine paper, but a large amount of CS are generated in production process2, seriously pollute environment.Secondly, cuprammonium process life
Production cellulosic nonwoven fabric has had 50 years history, but solvent recovery and recycles problem in the method production process and bring into
The difficulty of this costliness.It is that solvent prepares a small amount of cellulose membrane with N- methyl-N- morpholine oxides as the strongest solvent of cellulose
Product comes into market, but expensive and high processing temperature so that industrialized production develops slowly.NaOH aqueous solutions are
The most cheap solvent of cellulose is dissolved, but it is only capable of dissolving viscosity average molecular weigh and is less than 4 × 104Cellulosic molecule, obtained fibre
The plain film poor transparency of dimension, intensity is low, improper industrialization casting film-forming.
In the research to cellulose, using 2,2,6,6- tetramethyl piperidines-nitrogen-oxide（TEMPO）Catalytic oxidation
What is prepared is cellulose nano-fibrous（CNFs）With good film forming.As the Chinese patent of the patent No. 201210222026.1
Disclosed in a kind of cellulose nano-fibrous base transparent conductive film preparation method, used for the first time TEMPO methods prepare fibre
The plain nano fibrous membrane of dimension（The pure films of CNFs）As base material, but there is the larger defect of rigidity in the film.
Invention content
The object of the present invention is to provide a kind of preparation methods of cellulose nano-fibrous flexible transparent film.The present invention has
Have the characteristics that pollution-free, at low cost, the modification CNFs films of preparation are not only flexible, optical transmission is high, but also with light, cheap
The characteristics of, there is good industrial prospect, can be widely applied to photoelectricity, biological medicine, agricultural, chemical industry, food and environment
In equal fields.
Technical scheme of the present invention：
Scheme 1, a kind of preparation method of cellulose nano-fibrous flexible transparent film, it includes the following steps：
A, the suspension of CNFs is prepared, is A product；
B, small molecule plasticizer is added into A product, continues stirring until viscosity and drops to 1.5Pas hereinafter, vacuum removal gas
Bubble, obtains casting solution, is B product；
C, B product are poured into casting film container, the height for controlling casting solution is 0.6~1.0cm（Casting solution height is spent
Height can cause the bubble occurred in film forming procedure that can not remove, and influence the quality of finished product）, vacuum standing, gas removal bubble（Suspension
Gel characteristic determines that B product will appear bubble certainly in transfer process）Afterwards, it is put into baking oven, after solvent evaporating completely, obtains
Modified CNFs films are finished product.
In the preparation method of cellulose nano-fibrous flexible transparent film above-mentioned, preferably, in step a, prepared A
Product are the suspension for the CNFs that mass fraction is 0.4~0.8%；In step b, the addition of the small molecule plasticizer accounts for step c
The weight percent of middle gained finished product is not more than 50wt%；In step c, the temperature of the baking oven is 40~80 DEG C.
In the preparation method of cellulose nano-fibrous flexible transparent film above-mentioned, as further preferred, in step a, institute
The A product of preparation are the suspension for the CNFs that mass fraction is 0.4~0.7%；In step b, the addition of the small molecule plasticizer
The weight percent for accounting for gained finished product in step c is 25~35wt%；In step c, the temperature of the baking oven is 50~70 DEG C.
In the preparation method of cellulose nano-fibrous flexible transparent film above-mentioned, as still more preferably, in step a,
Prepared A product are the suspension for the CNFs that mass fraction is 0.4~0.6%；In step b, the addition of the small molecule plasticizer
It is 30 wt% that amount, which accounts for gained finished weight percentage in step c,；In step c, the temperature of the baking oven is 60 DEG C.
In the preparation method of cellulose nano-fibrous flexible transparent film above-mentioned, the small molecule plasticizer be glycerine,
Ethylene glycol or urea/ethanol amine（1:1）.
Scheme 2, a kind of preparation method of cellulose nano-fibrous flexible transparent film, it includes the following steps：
A, the suspension of CNFs is prepared, is A product；
B, water-based polymer is added into A product, continues stirring until viscosity and drops to 1.5Pas hereinafter, vacuum removal bubble,
Casting solution is obtained, is B product；
C, B product are poured into casting film container, the height for controlling casting solution is 1.0~2.0cm（Casting solution height is spent
Height can cause the bubble occurred in film forming procedure that can not remove, and influence the quality of finished product）, vacuum standing, gas removal bubble（Suspension
Gel characteristic determines that B product will appear bubble certainly in transfer process）Afterwards, it is put into baking oven, after solvent evaporating completely, obtains
Modified CNFs films are finished product.
In the preparation method of cellulose nano-fibrous flexible transparent film above-mentioned, preferably, in step a, prepared A
Product are the suspension for the CNFs that mass fraction is 0.4~0.9%；In step b, the addition of the water-based polymer accounts in step c
The weight percent of gained finished product is not more than 8wt%；In step c, the temperature of the baking oven is 40~80 DEG C.
In the preparation method of cellulose nano-fibrous flexible transparent film above-mentioned, as further preferred, in step a, institute
The A product of preparation are the suspension for the CNFs that mass fraction is 0.4~0.8%；In step b, the addition of the water-based polymer accounts for
The weight percent of gained finished product is 2~5wt% in step c；In step c, the temperature of the baking oven is 60~80 DEG C.
In the preparation method of cellulose nano-fibrous flexible transparent film above-mentioned, as still more preferably, in step a,
Prepared A product are the suspension for the CNFs that mass fraction is 0.4~0.7%；In step b, the addition of the water-based polymer
The weight percent for accounting for gained finished product in step c is 3wt%；In step c, the temperature of the baking oven is 70 DEG C.
In the preparation method of cellulose nano-fibrous flexible transparent film above-mentioned, the water-based polymer be polyvinyl alcohol,
Polyethylene glycol or hydroxypropyl methylcellulose.
Compared with prior art, the present invention in the suspension of CNFs by being added small molecule plasticizer or hanging CNFs
It after supernatant liquid is blended with water-based polymer, is dried and is formed a film with casting method, obtain modified CNFs films.The preparation process of modified CNFs films
In, it is cellulose nano-fibrous to maintain protofibre element I crystal, there is superior mechanics compared to other regenerated cellulose molds
Performance；Compared with the pure films of CNFs, intensity and Young's modulus reduce modified CNFs films by a small margin, but greatly improve toughness；It is fine
The plain nanofiber radial dimension of dimension is 3~4nm, and prepared modification CNFs films have higher light transmittance.The present invention has nothing
Pollution, feature at low cost, the modification CNFs films of preparation are not only flexible, optical transmission is high, but also have light, cheap spy
Point has good industrial prospect, can be widely applied to the necks such as photoelectricity, biological medicine, agricultural, chemical industry, food and environment
In domain.
Description of the drawings
Attached drawing 1 is the statics stress strain curve of the pure films of CNFs.
Attached drawing 2 is the statics stress strain curve of 30wt% glycerine plasticization and modification CNFs films.
Attached drawing 3 is the statics stress strain curve of 30wt% ethylene glycol plasticization and modification CNFs films.
Attached drawing 4 is 30wt% urea/ethanol amine（1:1）The statics stress strain curve of plasticization and modification CNFs films.
Attached drawing 5 is the statics stress strain curve that 3wt% polyvinyl alcohol blendings are modified CNFs films.
Attached drawing 6 is the statics stress strain curve that 3wt% polyethylene glycol blendings are modified CNFs films.
Attached drawing 7 is the statics stress strain curve of 3wt% hydroxypropyl methylcellulose blending and modifying CNFs films.
Specific implementation mode
The present invention is further illustrated with reference to the accompanying drawings and examples, but be not intended as to the present invention limit according to
According to.
Prepare CNFs：It weighs 0.4KgTEMPO and 5KgNaBr to be added in 2000L deionized waters, fully stir at room temperature
It mixes；After TEMPO and NaBr are completely dissolved, it is the wet wood pulp celluloses of 20Kg that dry weight is added into reaction system；Wait for cellulose point
Dissipate uniformly after, then to system be added dropwise 100KgNaClO solution（A concentration of 1.1mol/L）, rate of addition is adjusted, reaction system is controlled
PH value between 10.2~10.5；After NaClO solution is added dropwise, by the way that dilute NaOH solution maintenance system is constantly added dropwise
PH value；It is that reaction terminates terminal that NaOH solution is no longer consumed with system；It is filtered, and is washed with deionized water in sand core funnel
To neutrality, that is, prepare oxycellulose（CNFs）.
Prepare the pure films of CNFs：Take oxycellulose above-mentioned（CNFs）Excusing from death, centrifugation, take supernatant liquor, then pass through rotation
It is concentrated by evaporation, obtains the suspension for the CNFs that mass fraction is 0.3%, be A0 product；A0 product are continued stirring until viscosity to drop to
1.5Pas following（Used time 1h）, vacuum removal bubble（Used time 30min）, casting solution is obtained, is B0 product；B0 product are poured into casting
At in film container, liquid level of the control casting solution in casting film container is 0.6cm, vacuum standing, gas removal bubble（Used time
10min）, it is put into 80 DEG C of baking oven, the pure films of CNFs is obtained after solvent evaporating completely.
The density of the pure films of obtained CNFs is 1.45g cm-3, the light transmission rate at 550nm is 89.2%, Young's modulus
11.8Gpa, elongation at break 1%, statics stress strain curve are as shown in Figure 1.
Embodiment 1.A kind of preparation method of cellulose nano-fibrous flexible transparent film, is as follows：
A, oxycellulose above-mentioned is taken（CNFs）Excusing from death, centrifugation, take supernatant liquor, then will be obtained by rotary evaporation
The suspension for the CNFs that mass fraction is 0.4% is A1 product；
B, glycerine is added into A1 product, continues stirring until viscosity and drops to 1.5Pas or less（Used time 2h）, vacuum removal
Bubble（Used time 35min）, casting solution is obtained, is B1 product, wherein the weight percent that glycerine accounts for B1 product is 30wt%；
C, B1 product are poured into casting film container, liquid level of the control casting solution in casting film container is
0.7cm, vacuum standing, gas removal bubble（Used time 10min）, it is put into 60 DEG C of baking ovens, 30wt% the third three is obtained after solvent evaporating completely
Alcohol plasticization and modification CNFs films.
The Young's modulus of glycerine plasticization and modification CNFs films is 6.5GPa, and elongation at break 8%, density is 1.6g cm-3,
Light transmission rate at 550nm is that 87.3% its statics stress strain curve is as shown in Figure 2.
Embodiment 2.A kind of preparation method of cellulose nano-fibrous flexible transparent film, is as follows：
A, oxycellulose above-mentioned is taken（CNFs）Excusing from death, centrifugation, take supernatant liquor, then by rotary evaporation, obtain matter
The suspension for the CNFs that score is 0.5% is measured, is A2 product；
B, ethylene glycol is added into A2 product, continues stirring until viscosity and drops to 1.5Pas or less（Used time 3h）, vacuum removal
Bubble（Used time 40min）, casting solution is obtained, is B2 product, wherein the weight percent that ethylene glycol accounts for B2 product is 30wt%；
C, B2 product are poured into casting film container, liquid level of the control casting solution in casting film container is
0.8cm, vacuum standing, gas removal bubble（Used time 15min）, it is put into 60 DEG C of baking ovens, 30wt% second two is obtained after solvent evaporating completely
Alcohol plasticization and modification CNFs films.
The Young's modulus of ethylene glycol plasticization and modification CNFs films is 6.4GPa, and elongation at break 9%, density is 1.57g cm-3, the light transmission rate at 550nm is 86.3%, and statics stretches as shown in Figure 3.
Embodiment 3.A kind of preparation method of cellulose nano-fibrous flexible transparent film, is as follows：
A, oxycellulose above-mentioned is taken（CNFs）Excusing from death, centrifugation, take supernatant liquor, then by rotary evaporation, obtain matter
The suspension for the CNFs that score is 0.6% is measured, is A3 product；
B, urea/ethanol amine is added into A3 product（1:1）, continue stirring until viscosity and drop to 1.5Pas or less（Used time
4h）, vacuum removal bubble（Used time 45min）, casting solution is obtained, is B3 product, wherein urea/ethanol amine（1:1）Account for the weight of B3 product
Amount percentage is 30wt%, i.e. urea 15wt% and ethanol amine 15wt%；
C, B3 product are poured into casting film container, liquid level of the control casting solution in casting film container is
0.9cm, vacuum standing, gas removal bubble（Used time 20min）, be put into 60 DEG C of baking ovens, obtained after solvent evaporating completely 30wt% urea/
Ethanol amine（1:1）Plasticization and modification CNFs films.
Urea/ethanol amine（1:1）The Young's modulus of plasticization and modification CNFs films is 6.9GPa, elongation at break 7%, density
For 1.58g cm-3, the light transmission rate at 550nm is 85.7%, and statics stress strain curve is as shown in Figure 4.
Embodiment 4.A kind of preparation method of cellulose nano-fibrous flexible transparent film, is as follows：
A, oxycellulose above-mentioned is taken（CNFs）Excusing from death, centrifugation, take supernatant liquor, then by rotary evaporation, obtain matter
The suspension for the CNFs that score is 0.7% is measured, is A4 product；
B, polyvinyl alcohol is added into A4 product, continues stirring until viscosity and drops to 1.5Pas or less（Used time 5h）, vacuum is de-
Bubble removing（Used time 50min）, casting solution is obtained, is B4 product, wherein the weight percent that polyvinyl alcohol accounts for B4 product is 3wt%；
C, B4 product are poured into casting film container, liquid level of the control casting solution in casting film container is
1.1cm, vacuum standing, gas removal bubble（Used time 30min）, it is put into 70 DEG C of baking ovens, 3wt% polyethylene is obtained after solvent evaporating completely
Alcohol blending and modifying CNFs films.
The Young's modulus that polyvinyl alcohol blending is modified CNFs films is 8.7GPa, elongation at break 3%, density 1.60g
cm-3, the light transmission rate at 550nm is 87.7%, and statics stress strain curve is as shown in Figure 5.
Embodiment 5.A kind of preparation method of cellulose nano-fibrous flexible transparent film, is as follows：
A, oxycellulose above-mentioned is taken（CNFs）Excusing from death, centrifugation, take supernatant liquor, then by rotary evaporation, obtain matter
The suspension for the CNFs that score is 0.5% is measured, is A5 product；
B, polyethylene glycol is added into A5 product, continues stirring until viscosity and drops to 1.5Pas or less（Used time 6h）, vacuum is de-
Bubble removing（Used time 55min）, casting solution is obtained, is B5 product, wherein the weight percent that polyethylene glycol accounts for B5 product is 3wt%；
C, B5 product are poured into casting film container, liquid level of the control casting solution in casting film container is
1.6cm, vacuum standing, gas removal bubble（Used time 40min）, it is put into 70 DEG C of baking ovens, the poly- second of 3wt% two is obtained after solvent evaporating completely
Alcohol blending and modifying CNFs films.
The Young's modulus that polyethylene glycol blending is modified CNFs films is 8.2GPa, elongation at break 4%, density 1.62g
cm-3, the light transmission rate at 550nm is 87.1%, and statics stress strain curve is as shown in Figure 6.
Embodiment 6.A kind of preparation method of cellulose nano-fibrous flexible transparent film, is as follows：
A, oxycellulose above-mentioned is taken（CNFs）Excusing from death, centrifugation, take supernatant liquor, then by rotary evaporation, obtain matter
The suspension for the CNFs that score is 0.4% is measured, is A6 product；
B, hydroxypropyl methylcellulose is added into A6 product, continues stirring until viscosity and drops to 1.5Pas or less（Used time 6h）, very
Sky removing bubble（Used time 60min）, casting solution is obtained, is B6 product, the weight percent that hydroxypropyl methylcellulose accounts for B6 product is
3wt%；
C, B6 product are poured into casting film container, liquid level of the control casting solution in casting film container is
2.0cm, vacuum standing, gas removal bubble（Used time 60min）, it is put into 70 DEG C of baking ovens, 3wt% hydroxypropyl first is obtained after solvent evaporating completely
Cellulose blending is modified CNFs films.
The Young's modulus of hydroxypropyl methylcellulose blending and modifying CNFs films is 7.9GPa, and elongation at break 4%, density is
1.66g•cm-3, the light transmission rate at 550nm is 87.3%, and statics stress strain curve is as shown in Figure 7.
The general of the above-mentioned invention to involved in the application is described and be should not be understood to the description of its specific implementation mode
To be the limitation constituted to the inventive technique scheme.Those skilled in the art can not disobey according to disclosure herein
Under the premise of the involved invention inscape of the back of the body, to above-mentioned general description or/and specific implementation mode（Including embodiment）
In public technology feature increased, reduced or combined, formed and belong to other technical solutions of the invention.
Claims (2)
1. a kind of preparation method of cellulose nano-fibrous flexible transparent film, which is characterized in that it includes the following steps：
A, the suspension of CNFs is prepared, is A product, prepared A product are the suspension for the CNFs that mass fraction is 0.4~0.6%；
B, small molecule plasticizer is added into A product, continues stirring until viscosity and drops to 1.5Pas hereinafter, vacuum removal bubble, obtains
It is B product, it is 30 wt% that the addition of the small molecule plasticizer, which accounts for gained finished weight percentage in step c, to casting solution；
C, B product to be poured into casting film container, the height for controlling casting solution is 0.6~1.0cm, after vacuum standing, gas removal steeps,
It is put into baking oven, after solvent evaporating completely, obtains modified CNFs films, be finished product, the temperature of the baking oven is 60 DEG C.
2. the preparation method of cellulose nano-fibrous flexible transparent film according to claim 1, it is characterised in that：It is described small
Molecule plasticizer is glycerine, ethylene glycol or urea/ethanol amine 1:1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510386876.9A CN105037760B (en) | 2013-04-27 | 2013-04-27 | A kind of preparation method of cellulose nano-fibrous flexible transparent film |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310155994.XA CN103205007B (en) | 2013-04-27 | 2013-04-27 | A kind of preparation method of cellulose nano-fibrous flexible transparent film |
| CN201510386876.9A CN105037760B (en) | 2013-04-27 | 2013-04-27 | A kind of preparation method of cellulose nano-fibrous flexible transparent film |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310155994.XA Division CN103205007B (en) | 2013-04-27 | 2013-04-27 | A kind of preparation method of cellulose nano-fibrous flexible transparent film |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105037760A CN105037760A (en) | 2015-11-11 |
| CN105037760B true CN105037760B (en) | 2018-11-02 |
Family
ID=48752425
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310155994.XA Active CN103205007B (en) | 2013-04-27 | 2013-04-27 | A kind of preparation method of cellulose nano-fibrous flexible transparent film |
| CN201510386876.9A Active CN105037760B (en) | 2013-04-27 | 2013-04-27 | A kind of preparation method of cellulose nano-fibrous flexible transparent film |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310155994.XA Active CN103205007B (en) | 2013-04-27 | 2013-04-27 | A kind of preparation method of cellulose nano-fibrous flexible transparent film |
Country Status (1)
| Country | Link |
|---|---|
| CN (2) | CN103205007B (en) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105820376A (en) * | 2016-03-17 | 2016-08-03 | 莫海尼·M·塞恩 | Heatproof flexible nano-composite sheet and preparation method thereof |
| CN106832704B (en) * | 2017-02-16 | 2019-04-09 | 江南大学 | A kind of method of plasticizer plasticised polyvinyl alcohol/nanocrystalline cellulose composite membrane |
| CN108484984B (en) * | 2018-05-03 | 2020-03-06 | 厦门大学 | Preparation method of high-strength cellulose-based composite film |
| CN109134942B (en) * | 2018-07-16 | 2021-07-09 | 浙江大学宁波理工学院 | Transparent nano-cellulose antibacterial paper and preparation method thereof |
| CN110776656A (en) * | 2019-09-16 | 2020-02-11 | 陕西科技大学 | Flexible cholesteric nano crystal cellulose membrane and preparation method thereof |
| CN111393718A (en) * | 2020-03-09 | 2020-07-10 | 华中科技大学 | Cellulose nanocrystalline-based composite material and preparation method and application thereof |
| CN111300918B (en) * | 2020-03-16 | 2022-04-19 | 齐鲁工业大学 | Optical nano cellulose membrane and preparation method and application thereof |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1094069A (en) * | 1993-04-17 | 1994-10-26 | 沈祝林 | Plasticizing agent for cellulose film |
| CN102127241A (en) * | 2011-02-01 | 2011-07-20 | 李文江 | Method for preparing plant cellulose film by taking herbaceous plant as raw material |
| CN102440979A (en) * | 2010-09-30 | 2012-05-09 | 迪特克(济源)绿色生物科技有限公司 | Cellulose derivative composite film and preparation method thereof |
| CN102737786A (en) * | 2012-06-28 | 2012-10-17 | 北京理工大学 | Preparation method of cellulose nanofiber-based flexible transparent conductive membrane |
-
2013
- 2013-04-27 CN CN201310155994.XA patent/CN103205007B/en active Active
- 2013-04-27 CN CN201510386876.9A patent/CN105037760B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1094069A (en) * | 1993-04-17 | 1994-10-26 | 沈祝林 | Plasticizing agent for cellulose film |
| CN102440979A (en) * | 2010-09-30 | 2012-05-09 | 迪特克(济源)绿色生物科技有限公司 | Cellulose derivative composite film and preparation method thereof |
| CN102127241A (en) * | 2011-02-01 | 2011-07-20 | 李文江 | Method for preparing plant cellulose film by taking herbaceous plant as raw material |
| CN102737786A (en) * | 2012-06-28 | 2012-10-17 | 北京理工大学 | Preparation method of cellulose nanofiber-based flexible transparent conductive membrane |
Non-Patent Citations (1)
| Title |
|---|
| "增塑剂对改性纤维素膜性能的影响及其机理研究";赵力超 等;《食品科学》;20101231;第31卷(第01期);第105页第1.3.1节，第106页第2.1节 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103205007B (en) | 2015-11-25 |
| CN105037760A (en) | 2015-11-11 |
| CN103205007A (en) | 2013-07-17 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105037760B (en) | A kind of preparation method of cellulose nano-fibrous flexible transparent film | |
| CN1261496C (en) | Cellulose solution and its preparing method | |
| CN103102419B (en) | Method for preparing nano microcrystalline cellulose by hydrolyzing phyllostachys edulis fiber with cellulase | |
| CN101215725B (en) | Cellulose solvent and method for preparing spinning fluid from the same | |
| CN106146877B (en) | A method of waste textile is recycled using ionic liquid | |
| CN101880411B (en) | Method for preparing functionalized regenerated cellulose membranes by using bagasse celluloses | |
| CN109487546B (en) | Efficient and environment-friendly preparation method of cationic nano-fibrillated cellulose | |
| JP5913638B2 (en) | Dissolution method of cellulose | |
| CN101220522B (en) | Method for manufacturing cellulose/ion liquid spinning liquid with double-screw extrusion machine | |
| CN105801883B (en) | A kind of method for preparing cellulose solution | |
| CN101284913A (en) | Preparation method of cellulose membrane by using ion liquid as solvent | |
| CN104277121B (en) | Method for preparing cellulose ester by using cellulose | |
| Li et al. | Structure and properties of regenerated cellulose fibers based on dissolution of cellulose in a CO2 switchable solvent | |
| CN111690240A (en) | Polylactic acid/nano cellulose composite material and preparation method thereof | |
| Hina et al. | Role of ionic liquids in dissolution and regeneration of cellulose | |
| Szabó et al. | Cellulose processing in ionic liquids from a materials science perspective: turning a versatile biopolymer into the cornerstone of our sustainable future | |
| CN106317466A (en) | Method for preparing lithium battery diaphragm by compounding nano-cellulose and nano-silicon dioxide | |
| Xu et al. | Preparation and properties of cellulose-based films regenerated from waste corrugated cardboards using [Amim] Cl/CaCl2 | |
| CN107973939A (en) | A kind of zinc oxide aeroge and preparation method thereof | |
| CN106810613A (en) | A kind of preparation method of hydrophobically modified nano-cellulose | |
| Lv et al. | Overview of preparation, modification, and application of tunicate-derived nanocellulose | |
| CN104047067A (en) | Cellulose dissolving agent and application thereof | |
| CN101274988A (en) | Industrial method for preparing regenerated cellulose film | |
| CN104262642A (en) | Method for dissolving cellulose in aqueous solution of NaOH/thiourea at normal temperature | |
| Zhou et al. | Cellulose-based polymers |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |