CN105821689B - Method for preparing super-hydrophobic recycled paper - Google Patents
Method for preparing super-hydrophobic recycled paper Download PDFInfo
- Publication number
- CN105821689B CN105821689B CN201610192654.8A CN201610192654A CN105821689B CN 105821689 B CN105821689 B CN 105821689B CN 201610192654 A CN201610192654 A CN 201610192654A CN 105821689 B CN105821689 B CN 105821689B
- Authority
- CN
- China
- Prior art keywords
- super
- hydrophobic
- preparation
- solution
- dopamine
- 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
Classifications
-
- 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
- D21B1/32—Defibrating by other means of waste paper
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21C—PRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
- D21C1/00—Pretreatment of the finely-divided materials before digesting
- D21C1/06—Pretreatment of the finely-divided materials before digesting with alkaline reacting compounds
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21C—PRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
- D21C5/00—Other processes for obtaining cellulose, e.g. cooking cotton linters ; Processes characterised by the choice of cellulose-containing starting materials
- D21C5/02—Working-up waste paper
-
- 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
- D21H13/02—Synthetic cellulose 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
- D21H13/00—Pulp or paper, comprising synthetic cellulose or non-cellulose fibres or web-forming material
- D21H13/36—Inorganic fibres or flakes
- D21H13/38—Inorganic fibres or flakes siliceous
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/64—Paper recycling
Abstract
The invention discloses a method for preparing super-hydrophobic recycled paper. The method comprises the following steps: adding silicate ester and ammonia water into a polar solvent to obtain a solution A and a solution B, mixing the solution A and the solution B, adjusting the pH of the mixed solution to 5 with hydrochloric acid, adjusting the pH to 8-9 with an alkali catalyst, and aging to obtain opaque gel; adding the opaque gel into normal hexane and phenylsilylene modifiers for reacting, performing suction filtration, cleaning to obtain super-hydrophobic silica gel, drying the super-hydrophobic silica gel, and grinding to obtain inorganic super-hydrophobic filler; soaking waste paper into deionized water, stirring to obtain primary pulp fiber, adjusting the pH to 8-9 with a NaOH solution, adding dopamine powder, stirring, performing suction filtration, and cleaning to obtain poly-dopamine-cellulose; dispersing the poly-dopamine-cellulose into ethanol, stirring, adding the inorganic super-hydrophobic silica filler, stirring at the room temperature, performing suction filtration, washing, drying the obtained fiber, and laminating the fiber into paper. The super-hydrophobic recycled paper has water-repellency and waterproofness functions.
Description
Technical field
The present invention relates to a kind of preparation method of super-hydrophobic recycled writing paper, belong to super hydrophobic material preparing technical field.
Background technology
Under the inspiration of nature, super hydrophobic surface is gradually of interest by people, such as lotus leaf surface, butterfly's wing, water skipper
Leg etc., is all to represent well.Super hydrophobic surface refers generally to material surface and the contact angle of water is less than more than 150 °, roll angle
10 ° of surface.Super hydrophobic surface has many unique excellent surface propertys：It is hydrophobic, self-cleaning property, anti-corrosion, freezing, antifog
Etc. characteristic so that it all has huge application prospect in various fields.
Water is always the killer of paper products.When paper is after wetted, its intensity, writing property and aesthetics can all lose
Lose.And ultra-hydrophobic paper can solve this problem, because it has good water-proof function, various daily necessitiess are can apply to
In, such as in terms of packaging material, transport processing and paper skill product.Ultra-hydrophobic paper also plays important in office realm and industrial circle
Effect.
Recycled writing paper, is raw material using waste paper, be able to can also not only be preserved the ecological environment with saving energy consumption, reduction pollution.Institute
Paper service life can not only be extended with the super-hydrophobic recycled writing paper for integrating these advantages, it is extended and used scope, while
The energy, the pressure of ecological and environment each side can also be alleviated.
The content of the invention
It is an object of the invention to provide a kind of convenience, the preparation method of easy, environmentally friendly super-hydrophobic recycled writing paper, so as to solve
Certainly paper meet water lose use value, be not used to outdoor packaging and storage and paper-making industry pollution power consumption it is serious the problems such as.This
Invention utilize traditional paper-making process simple and easy to apply and inserts thought, by the secondary utilization of waste paper, prepared it is super-hydrophobic again
Raw paper, its surface contact angle is more than 150 °, and roll angle is less than 10 °, and writing property is good, and with the extensive potentiality for preparing.
A kind of preparation method of super-hydrophobic recycled writing paper, it is characterised in that comprise the following steps：
1）The preparation of inorganic super-hydrophobic inserts
Stirring obtains solution A in 5 ~ 10 minutes during esters of silicon acis is added into polar solvent；Solution is obtained during ammoniacal liquor is added into polar solvent
B；Solution A and solution B are mixed, pH of mixed is adjusted to 5 with hydrochloric acid, pH is then adjusted to 8 ~ 9, ageing 10 with base catalyst
~ 12 hours, obtain White-opalescent gel；Add n-hexane and silicon methyl dressing agent anti-in being placed in 80 DEG C in opaque gel
Answer 10 ~ 14 h, then suction filtration, cleaned with normal propyl alcohol and obtain final product super-hydrophobic silica gel, super-hydrophobic silica gel is put
In 6 ~ 10 h are dried in 40 ~ 60 DEG C, grinding obtains inorganic super-hydrophobic inserts；
2）The preparation of poly-dopamine-cellulose
Waste paper fragment is immersed in deionized water, 80 DEG C ~ 90 DEG C 2 ~ 3 h of stirring obtain white virgin pulp fibers, Ran Houyong
Its pH is adjusted to 8 ~ 9 by NaOH solution, adds dopamine powder, stirs 10 ~ 12 h, and suction filtration is washed with deionized water net obtaining final product and gathers many
Bar amine-cellulose；
3）The preparation of super-hydrophobic recycled writing paper
Poly-dopamine-cellulose that step B is obtained is dispersed in ethanol, 15 ~ 30 min are stirred, is subsequently adding inorganic super
Hydrophobic inserts, is stirred at room temperature suction filtration after 30 ~ 60 min, is washed with ethanol, deionized water, by gained fiber at 40 ~ 60 DEG C
The lower h of drying 3 ~ 6, obtains dry poly-dopamine-cellulose-inorganic super-hydrophobic inserts, is pressed into paper, obtain final product it is super-hydrophobic again
Raw paper.
The esters of silicon acis is 1 with the volume ratio of polar solvent:2；The ammoniacal liquor is 15 with the volume ratio of polar solvent:20,
The substance withdrawl syndrome of the ammoniacal liquor is 0.02 M.
The esters of silicon acis is tetraethyl orthosilicate；The polar solvent is methyl alcohol.
The volume ratio of the solution A and solution B is 30:35.
The substance withdrawl syndrome of the hydrochloric acid is 0.1 M；The base catalyst is the ammoniacal liquor of 0.02 M；The silicon methyl
Dressing agent is HMDS.
The volume ratio of the opaque gel, n-hexane and silicon methyl dressing agent is 12:20:3.
The substance withdrawl syndrome of the NaOH solution is 1 M.
The waste paper fragment is 1 with the mass ratio of deionized water:200, it is 30 with the mass ratio of dopamine:1.
Step 3）Poly-dopamine-the cellulose is 1 with the mass ratio of ethanol:80 ~1:100.
Step 3）The inorganic super-hydrophobic inserts is 3 with the mass ratio of poly-dopamine-cellulose:10 ~ 6:10.
Compared with prior art, the advantage of the invention is that：
1st, the present invention realizes the secondary utilization of waste paper, and process is simple, raw material is easy to get, and asepsis environment-protecting is with low cost.
2nd, super-hydrophobic recycled writing paper prepared by the present invention, contact angle is more than 150 °, and roll angle is less than 10 °, with refusing well
Water, water-proof function.
3rd, super-hydrophobic recycled writing paper prepared by the present invention has good writing property, bendability and foldability, can meet daily
Various demands.
4th, super-hydrophobic recycled writing paper prepared by the present invention has good inside and outside uniformity, can bear various degrees of abrasion
Without losing its super-hydrophobicity.
5th, the present invention can large area preparation.
Brief description of the drawings
Fig. 1 is the scanning electricity of the dry poly-dopamine-cellulose-inorganic super-hydrophobic inserts fiber of the gained of the embodiment of the present invention 1
Mirror figure, wherein（a）It is low power scanning electron microscope (SEM) photograph,（b）It is high power scanning electron microscope (SEM) photograph.
Fig. 2 is the contact angle of the super-hydrophobic recycled writing paper of gained of the embodiment of the present invention 1（a）With roll angle photo（b）.
Fig. 3 is reflectogram of the water column on the super-hydrophobic recycled writing paper of gained of the embodiment of the present invention 1.
Fig. 4 is photo of the various drops on the super-hydrophobic recycled writing paper of gained of the embodiment of the present invention 2.
Fig. 5 is the artificial lotus leaf that the super-hydrophobic recycled writing paper of gained of the embodiment of the present invention 3 is made.
Fig. 6 is consistent super-hydrophobicity photo inside and outside the super-hydrophobic recycled writing paper of gained of the embodiment of the present invention 4.
Specific embodiment
Embodiment 1
（1）The preparation of inorganic super-hydrophobic inserts：Solution A：Tetraethyl orthosilicate is added in methyl alcohol（V:V=1:2）, stirring
5 minutes.Solution B：Ammoniacal liquor 0.02（M）In addition methyl alcohol（V:V=15:20）.Solution A and solution B are mixed（V:V=30:35）.With
Hydrochloric acid（0.1 M）PH of mixed is adjusted to 5.PH is dropwise adjusted to 9 toward 0.02 M ammoniacal liquor is added dropwise in the system, is aged 10 hours,
Obtain White-opalescent gel.The gel of gained is transferred in reactor, n-hexane and HMDS modification is added
Agent, three's volume ratio is 12:20:3, then be placed in 10 h are reacted in 80 DEG C.Then suction filtration, cleaned with normal propyl alcohol and obtain final product super-hydrophobic two
Silica gel.Gained gel is placed in 6 h are dried in 60 DEG C, remove solvent and Residual reactants, then grinding obtains inorganic
Super-hydrophobic inserts.
（2）The preparation of poly-dopamine-cellulose：Waste paper fragment is immersed in deionized water（Mass ratio is 1:200）, 80
The h of strong stirring 2 at DEG C, obtains white virgin pulp fibers.System pH is adjusted to 9 with NaOH (1 M), dopamine powder is added
（It is 1 with waste paper chip mass ratio:30）, stir 11 h.Suction filtration, is washed with deionized water only, that is, obtain poly-dopamine-cellulose.
（3）The preparation of super-hydrophobic recycled writing paper：Poly-dopamine-the cellulose obtained in step B is dispersed in ethanol（Matter
Amount is than being 1:80）, stir 20 minutes.By inorganic super-hydrophobic inserts（It is 9 with poly-dopamine-cellulose mass ratio:20）Add
The system.Suction filtration is washed with ethanol, deionized water after 30 min are stirred at room temperature.Gained fiber is dried into 3 h at 60 DEG C, is obtained
To dry poly-dopamine-cellulose-inorganic super-hydrophobic inserts fiber（Its scanning electron microscope (SEM) photograph is shown in Fig. 1, it is seen that the diameter of fiber is by ten
A few to tens of microns are not waited and surface has substantial amounts of nano particle）, then it is pressed into paper with tablet press machine, that is, obtain super thin
Water reuse (treatment paper.Its contact angle values is that 158 ° of roll angles are less than 5 °（See Fig. 2）.Water column is got into super-hydrophobic recycled writing paper table with syringe
There is transmitting without splashing in face, water column（See Fig. 3）.
Embodiment 2
（1）The preparation of inorganic super-hydrophobic inserts：Solution A：Tetraethyl orthosilicate is added in methyl alcohol（V:V=1:2）, stirring 10
Minute.Solution B：Ammoniacal liquor 0.02（M）In addition methyl alcohol（V:V=15:20）.Solution A and solution B are mixed（V:V=30:35）.With
Hydrochloric acid（0.1 M）PH of mixed is adjusted to 5.PH is dropwise adjusted to 9 toward 0.02 M ammoniacal liquor is added dropwise in the system, is aged 12 hours,
Obtain White-opalescent gel.The gel of gained is transferred in reactor, n-hexane and HMDS modification is added
Agent, three's volume ratio is 12:20:3, then be placed in 14 h are reacted in 80 DEG C.Then suction filtration, cleaned with normal propyl alcohol and obtain final product super-hydrophobic two
Silica gel.Gained gel is placed in 6 h are dried in 60 DEG C, remove solvent and Residual reactants, then grinding obtains inorganic
Super-hydrophobic inserts.
（2）The preparation of poly-dopamine-cellulose：Waste paper fragment is immersed in deionized water（Mass ratio is 1:200）, 90
The h of strong stirring 2 at DEG C, obtains white virgin pulp fibers.System pH is adjusted to 8 with NaOH (1 M), dopamine powder is added
（It is 1 with waste paper chip mass ratio:30）, stir 10 h.Suction filtration, is washed with deionized water only, that is, obtain poly-dopamine-cellulose.
（3）The preparation of super-hydrophobic recycled writing paper：Poly-dopamine-the cellulose obtained in step B is dispersed in ethanol（Matter
Amount is than being 1:80）, stir 25 minutes.By inorganic super-hydrophobic inserts（It is 6 with poly-dopamine-cellulose mass ratio:10）Add
The system.Suction filtration is washed with ethanol, deionized water after 30 min are stirred at room temperature.Gained fiber is dried into 3 h at 60 DEG C, is obtained
To dry poly-dopamine-cellulose-inorganic super-hydrophobic inserts fiber, then it is pressed into paper with tablet press machine, that is, obtains super-hydrophobic
Recycled writing paper.Different common drops is placed in paper, all with spherical presence（See Fig. 4）.
Embodiment 3
（1）The preparation of inorganic super-hydrophobic inserts：Solution A：Tetraethyl orthosilicate is added in methyl alcohol（V:V=1:2）, stirring 5
Minute.Solution B：Ammoniacal liquor 0.02（M）In addition methyl alcohol（V:V=15:20）.Solution A and solution B are mixed（V:V=30:35）.With
Hydrochloric acid（0.1 M）PH of mixed is adjusted to 5.PH is dropwise adjusted to 9 toward 0.02 M ammoniacal liquor is added dropwise in the system, is aged 11 hours,
Obtain White-opalescent gel.The gel of gained is transferred in reactor, n-hexane and HMDS modification is added
Agent, three's volume ratio is 12:20:3, then be placed in 12 h are reacted in 80 DEG C.Then suction filtration, cleaned with normal propyl alcohol and obtain final product super-hydrophobic two
Silica gel.Gained gel is placed in 8 h are dried in 60 DEG C, remove solvent and Residual reactants, then grinding obtains inorganic
Super-hydrophobic inserts.
（2）The preparation of poly-dopamine-cellulose：Waste paper fragment is immersed in deionized water（Mass ratio is 1:200）, 90
The h of strong stirring 2 at DEG C, obtains white virgin pulp fibers.System pH is adjusted to 9 with NaOH (1 M), dopamine powder is added
（It is 1 with waste paper chip mass ratio:30）, stir 12 h.Suction filtration, is washed with deionized water only, that is, obtain poly-dopamine-cellulose.
（3）The preparation of super-hydrophobic recycled writing paper：Poly-dopamine-the cellulose obtained in step B is dispersed in ethanol（Matter
Amount is than being 1:100）, stir 30 minutes.By inorganic super-hydrophobic inserts（It is 6 with poly-dopamine-cellulose mass ratio:10）Add
The system.Suction filtration is washed with ethanol, deionized water after 30 min are stirred at room temperature.Gained fiber is dried into 3 h at 60 DEG C, is obtained
To dry poly-dopamine-cellulose-inorganic super-hydrophobic inserts fiber, then it is pressed into paper with tablet press machine, that is, obtains super-hydrophobic
Recycled writing paper.Super-hydrophobic recycled writing paper is built up into circle, dying green with oiliness dyestuff obtains artificial lotus leaf, can bubble through the water column for a long time
（See Fig. 5）.
Embodiment 4
（1）The preparation of inorganic super-hydrophobic inserts：Solution A：Tetraethyl orthosilicate is added in methyl alcohol（V:V=1:2）, stirring 10
Minute.Solution B：Ammoniacal liquor 0.02（M）In addition methyl alcohol（V:V=15:20）.Solution A and solution B are mixed（V:V=30:35）.With
Hydrochloric acid（0.1 M）PH of mixed is adjusted to 5.PH is dropwise adjusted to 9 toward dropwise addition base catalyst in the system, is aged 10 hours,
Obtain White-opalescent gel.The gel of gained is transferred in reactor, n-hexane and HMDS modification is added
Agent, three's volume ratio is 12:20:3, then be placed in 14 h are reacted in 80 DEG C.Then suction filtration, cleaned with normal propyl alcohol and obtain final product super-hydrophobic two
Silica gel.Gained gel is placed in 10 h are dried in 60 DEG C, remove solvent and Residual reactants, then grinding obtains inorganic
Super-hydrophobic inserts.
（2）The preparation of poly-dopamine-cellulose：Waste paper fragment is immersed in deionized water（Mass ratio is 1:200）, 80
The h of strong stirring 2 at DEG C, obtains white virgin pulp fibers.System pH is adjusted to 9 with NaOH (1 M), dopamine powder is added
（It is 1 with waste paper chip mass ratio:30）, stir 10 h.Suction filtration, is washed with deionized water only, that is, obtain poly-dopamine-cellulose.
（3）The preparation of super-hydrophobic recycled writing paper：Poly-dopamine-the cellulose obtained in step B is dispersed in ethanol（Matter
Amount is than being 1:100）, stir 15 minutes.By inorganic super-hydrophobic inserts（It is 3 with poly-dopamine-cellulose mass ratio:10 to 6:
10）Add the system.Suction filtration is washed with ethanol, deionized water after 30 min are stirred at room temperature.Gained fiber is dried at 60 DEG C
3 h, obtain dry poly-dopamine-cellulose-inorganic super-hydrophobic inserts, then it is pressed into paper with tablet press machine, that is, obtain super thin
Water reuse (treatment paper.It is raised from centre, water droplet is placed in its surface and inside, all existed with stable sphericity（See Fig. 6）.
Claims (10)
1. a kind of preparation method of super-hydrophobic recycled writing paper, it is characterised in that comprise the following steps：
1）The preparation of inorganic super-hydrophobic inserts
Stirring obtains solution A in 5 ~ 10 minutes during esters of silicon acis is added into polar solvent；Solution B is obtained during ammoniacal liquor is added into polar solvent；Will
Solution A and solution B mix, and pH of mixed is adjusted into 5 with hydrochloric acid, and pH then is adjusted into 8 ~ 9, ageing 10 ~ 12 with base catalyst
Hour, obtain White-opalescent gel；N-hexane and silicon methyl dressing agent is added to be reacted in being placed in 80 DEG C in opaque gel
10 ~ 14 h, then suction filtration, cleaned with normal propyl alcohol and obtain final product super-hydrophobic silica gel, super-hydrophobic silica gel is placed in
6 ~ 10 h are dried in 40 ~ 60 DEG C, grinding obtains inorganic super-hydrophobic inserts；The base catalyst is ammoniacal liquor；
2）The preparation of poly-dopamine-cellulose
Waste paper fragment is immersed in deionized water, 80 DEG C ~ 90 DEG C 2 ~ 3 h of stirring obtain white virgin pulp fibers, then molten with NaOH
Its pH is adjusted to 8 ~ 9 by liquid, adds dopamine powder, stirs 10 ~ 12 h, and suction filtration is washed with deionized water and obtains final product poly-dopamine-fibre only
Dimension element；
3）The preparation of super-hydrophobic recycled writing paper
Poly-dopamine-cellulose that step B is obtained is dispersed in ethanol, 15 ~ 30 min are stirred, is subsequently adding inorganic super-hydrophobic
Inserts, is stirred at room temperature suction filtration after 30 ~ 60 min, is washed with ethanol, deionized water, and gained fiber is done at 40 ~ 60 DEG C
Dry 3 ~ 6 h, obtains dry poly-dopamine-cellulose-inorganic super-hydrophobic inserts, is pressed into paper, obtains final product super-hydrophobic recycled writing paper.
2. preparation method as claimed in claim 1, it is characterised in that the esters of silicon acis is 1 with the volume ratio of polar solvent:2；
The ammoniacal liquor is 15 with the volume ratio of polar solvent:20, the substance withdrawl syndrome of the ammoniacal liquor is 0.02 M.
3. preparation method as claimed in claim 1 or 2, it is characterised in that the esters of silicon acis is tetraethyl orthosilicate；The polarity
Solvent is methyl alcohol.
4. preparation method as claimed in claim 1, it is characterised in that the volume ratio of the solution A and solution B is 30:35.
5. preparation method as claimed in claim 1, it is characterised in that the substance withdrawl syndrome of the hydrochloric acid is 0.1 M；It is described
The concentration of base catalyst is 0.02 M；The silicon methyl dressing agent is HMDS.
6. preparation method as claimed in claim 1, it is characterised in that the opaque gel, n-hexane and silicon methyl dressing agent
Volume ratio be 12:20:3.
7. preparation method as claimed in claim 1, it is characterised in that the substance withdrawl syndrome of the NaOH solution is 1 M.
8. preparation method as claimed in claim 1, it is characterised in that the waste paper fragment is 1 with the mass ratio of deionized water:
200, it is 30 with the mass ratio of dopamine:1.
9. preparation method as claimed in claim 1, it is characterised in that step 3）The matter of the poly-dopamine-cellulose and ethanol
Amount is than being 1:80 ~1:100.
10. preparation method as claimed in claim 1, it is characterised in that step 3）The inorganic super-hydrophobic inserts and poly- DOPA
The mass ratio of amine-cellulose is 3:10 ~ 6:10.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610192654.8A CN105821689B (en) | 2016-03-30 | 2016-03-30 | Method for preparing super-hydrophobic recycled paper |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610192654.8A CN105821689B (en) | 2016-03-30 | 2016-03-30 | Method for preparing super-hydrophobic recycled paper |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105821689A CN105821689A (en) | 2016-08-03 |
| CN105821689B true CN105821689B (en) | 2017-05-24 |
Family
ID=56524599
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610192654.8A Active CN105821689B (en) | 2016-03-30 | 2016-03-30 | Method for preparing super-hydrophobic recycled paper |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105821689B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107287903B (en) * | 2017-06-02 | 2020-05-19 | 湖北大学 | Preparation method of boiling water resistant super-hydrophobic fabric capable of being used for oil-water separation |
| CN110373938B (en) * | 2019-07-19 | 2021-12-10 | 天津科技大学 | Water-resistant paper-plastic composite material and preparation method thereof |
| CN113245172A (en) * | 2021-03-24 | 2021-08-13 | 中国科学院青海盐湖研究所 | Black super-hydrophobic micro-nano particle, super-hydrophobic coating liquid and preparation method of black super-hydrophobic anticorrosive coating |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2000078675A1 (en) * | 1999-06-21 | 2000-12-28 | Geochemistry Research Limited | Metal-rich silica products from geothermal and synthetic aqueous systems |
| CN103214690A (en) * | 2013-03-22 | 2013-07-24 | 哈尔滨工业大学 | Method for preparing durable super-hydrophobic material |
| CN103242733A (en) * | 2012-10-29 | 2013-08-14 | 苏州大学 | Simple method for preparing light-responsive super-hydrophobic surface |
| CN103726302A (en) * | 2013-12-06 | 2014-04-16 | 南京工业大学 | Preparation method for multifunctional super-hydrophobic hybrid material |
| CN104446333A (en) * | 2014-12-08 | 2015-03-25 | 南京工业大学 | Method for preparing PP fiber-enhanced silica gel material |
| CN105062360A (en) * | 2015-08-19 | 2015-11-18 | 中国科学院兰州化学物理研究所 | Transparent super-hydrophobic paint and application thereof |
-
2016
- 2016-03-30 CN CN201610192654.8A patent/CN105821689B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2000078675A1 (en) * | 1999-06-21 | 2000-12-28 | Geochemistry Research Limited | Metal-rich silica products from geothermal and synthetic aqueous systems |
| CN103242733A (en) * | 2012-10-29 | 2013-08-14 | 苏州大学 | Simple method for preparing light-responsive super-hydrophobic surface |
| CN103214690A (en) * | 2013-03-22 | 2013-07-24 | 哈尔滨工业大学 | Method for preparing durable super-hydrophobic material |
| CN103726302A (en) * | 2013-12-06 | 2014-04-16 | 南京工业大学 | Preparation method for multifunctional super-hydrophobic hybrid material |
| CN104446333A (en) * | 2014-12-08 | 2015-03-25 | 南京工业大学 | Method for preparing PP fiber-enhanced silica gel material |
| CN105062360A (en) * | 2015-08-19 | 2015-11-18 | 中国科学院兰州化学物理研究所 | Transparent super-hydrophobic paint and application thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105821689A (en) | 2016-08-03 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104845301B (en) | A kind of ultraviolet light screener and preparation method thereof and polylactic acid film comprising the ultraviolet light screener and preparation method thereof | |
| CN105821689B (en) | Method for preparing super-hydrophobic recycled paper | |
| CN102617045B (en) | SiO2 antireflection thin film and preparation method thereof | |
| CN104260169B (en) | Wood substrate composite material of a kind of hydrophobic, anti-ultraviolet aging and preparation method thereof | |
| AU2020100277A4 (en) | Cellulose nanofibril-based hydrophobic composite film material and method for preparing the same | |
| CN102924979B (en) | Method for preparing inorganic and organic coating titanium dioxide | |
| CN105599077A (en) | Method for preparation of superhydrophobic timber on the basis of sol-gel method | |
| CN105566502B (en) | The preparation method of the renewable nano-cellulose film of water resistance | |
| CN105755890B (en) | The preparation method of super-hydrophobic oleophobic transparent nanofiber element paper | |
| CN105672023A (en) | Cellulose fiber assembly and production method for same, fibrillated cellulose fiber and production method for same, and cellulose fiber complex | |
| CN107265494A (en) | A kind of modified nano zinc oxide | |
| CN102616794B (en) | Preparation method for high-dispersibility nanometer silicon dioxide | |
| CN104003406A (en) | Preparation method and applications of super-hydrophobic SiO2 aerogel powder | |
| CN105289457B (en) | A kind of hollow structure TiO2The preparation method and applications of nano material | |
| CN109049219A (en) | A kind of wicker modification processing method for braiding | |
| CN107385984B (en) | A kind of waterproof paper and preparation method thereof | |
| CN106752099A (en) | A kind of nano-calcium carbonate powder of Chitosan Phosphate cross-linked polymer coating modification and preparation method thereof | |
| CN107325331A (en) | A kind of flexible display host material preparation method | |
| CN108585343A (en) | The recycle device and processing method of papermaking enriched water | |
| CN106479246B (en) | The application of calcium activated and titanium white compound powder on coating | |
| CN109876741A (en) | A kind of tourmaline and photocatalytic semiconductor composite hydrogel and its preparation method and application | |
| CN110015658A (en) | A kind of water-based graphite alkene dispersion liquid and preparation method thereof | |
| CN108658130A (en) | A method of preparing iron oxide and aerosil simultaneously from iron tailings | |
| CN104072128A (en) | Nanoscale square-phase barium titanate powder and preparation method thereof | |
| CN108384211A (en) | A kind of preparation method of environmental-protection ventilation laminated film |
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 |