CN110106743A - A kind of method of preparation and use being acidified aging paper document depickling reinforcing agent - Google Patents
A kind of method of preparation and use being acidified aging paper document depickling reinforcing agent Download PDFInfo
- Publication number
- CN110106743A CN110106743A CN201910471395.6A CN201910471395A CN110106743A CN 110106743 A CN110106743 A CN 110106743A CN 201910471395 A CN201910471395 A CN 201910471395A CN 110106743 A CN110106743 A CN 110106743A
- Authority
- CN
- China
- Prior art keywords
- depickling
- paper document
- paper
- reinforcing agent
- acrylamide
- 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.)
- Pending
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
- B41M7/00—After-treatment of prints, e.g. heating, irradiating, setting of the ink, protection of the printed stock
- B41M7/0063—Preservation or restoration of currency, books or archival material, e.g. by deacidifying
-
- 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
- D21H25/18—After-treatment of paper not provided for in groups D21H17/00 - D21H23/00 of old paper as in books, documents, e.g. restoring
Landscapes
- Paper (AREA)
Abstract
A kind of method of preparation and use being acidified aging paper document depickling reinforcing agent.Borax, polyvinyl alcohol, acrylamide, redox initiation system are dissolved in deionized water or distilled water and are uniformly mixed the depickling reinforcing agent for preparing paper document.Depickling reinforcing agent of the invention is uniformly sprayed to the paper document paper surface of acidification aging, paper document is then placed in reaction, that is, completes the depickling enhancing processing of paper document paper.Depickling reinforcing agent of the invention can also be obviously improved its strength character while carrying out effective depickling to acidification aging paper document paper.Operation of the present invention is simple, the pH value of paper document paper can reach 7.0 ~ 8.5 after processing, and its tensile index and tear index with it is untreated it is preceding compared with, highest can promote 51.19% and 71.29%, there is not phenomena such as apparent bending deformation, deinking, discoloration in paper simultaneously, can effectively extend the pot-life of paper document.
Description
Technical field
The invention belongs to the protection fields to acidification aging paper document, and in particular to a kind of borax/polyvinyl alcohol/propylene
Method of preparation and use of amide (the adding initiator) combination solution to the depickling reinforcing agent of acidification aging paper document.
Background technique
Paper document carries human civilization history and excellent culture tradition, and China is earliest using paper come log history
Outstanding Chinese civilization is write with paper relics such as a large amount of books painting and calligraphy, archives by the country of process, and the propagation for culture mentions
Model has been supplied, there is the historical value that can not be carved again.Along with the replacement in epoch, the great change of environment, the papery text of these collections
It offers acidification putrefactive phenomenon to get worse, such as mildew of damaging by worms, yellowing, embrittlement and crushing breakage, preservation service life drastically reduce, sternly
The history civilization Transmission of the mankind is hindered again.A lot of research work shows that acidification is paper the main reason for causing paper aging to go bad
Acidic materials in can promote the hydrolysis of cellulose, accelerate paper aging rotten, strength reduction.To acidification aging paper document
Depickling and enhancing be protection and extend the important and effective method in its service life.The common acid stripping method of the depickling of paper document
There are liquid phase depickling and gas phase depickling to handle two classes, including calcium bicarbonate/magnesium bicarbonate aqueous solution depickling method, calcium hydroxide/hydrogen-oxygen
Change magnesium depickling method, ammonia depickling method, morpholine depickling method etc., though these acid stripping methods have certain deacidification effect, deacidification efficiency
Lowly, some depickling reagents can also reduce paper strength and whiteness to a certain extent, so that ink is faded, or even there are carcinogenic
Property, larger harm is generated to human health.Mainly have to the Enhancement Method of paper document support mounting method, silk net reinforcing method, coating method,
High molecular material cladding process and gamma-rays reinforcement technique, but these processing methods are relatively complicated, and treatment effeciency is lower.Only to paper
Carry out depickling processing can in and/or remove paper on acidic materials, reach the effect for delaying paper aging to a certain extent
Fruit, but no matter liquid phase depickling or gas phase depickling processing, all to paper mechanical strength almost without promotion, in addition also destroy fiber between
Hydrogenbond, reduce paper strength, what this paper document poor to original intensity was clearly disadvantageous.And only paper is carried out
When enhancing processing, it can effectively enhance the intensity of paper, but the acidification problem of aging of paper still has.In order to preferably
Paper strength need to be increased when carrying out depickling processing simultaneously by extending the paper service life.All dawn spaces etc. use hydroxypropyl methyl cellulose
Depickling reinforcing is carried out to paper with nano calcium hydroxide alcohol aqueous dispersions, improves the pH and strength character of paper, while also
Certain alkali reserved prevents the acidification in paper future；Sundholm etc. is by methylcellulose and calcium hydroxide mixed solution
Combine and carry out depickling processing, the results showed that methylcellulose can increase the connection of the hydrogen bond between cellulose, keep paper de-
The intensity of paper is increased while sour.
Though above-mentioned depickling enhancing technology can neutralize acidic materials, increase paper strength in paper to some extent, and
Delay the speed of paper aging, but that there are treatment effeciencies is not high, apparatus and process is complicated, has an impact to paper document picture and text, part
Depickling enhancing material is harmful to human body or environment, even with organic solvent and gas, there are inflammable and explosive safety problems etc..
Summary of the invention
The present invention is directed to extend acidification aging paper read the service life and enhance its durability, overcome the above-mentioned prior art
There are the problem of, invent a kind of pair of paper document depickling reinforcing effect it is good, it is non-hazardous to human body or harm it is small, to environment without dirt
Relatively simple paper document depickling reinforcing agent and application method are contaminated and operate, the depickling reinforcing agent is to acidification aging papery
Also the intensity of paper can be dramatically increased while document paper deacidification, can effectively extend the service life of paper document, and to paper
Zhang Baidu and ink influence smaller.
The technical scheme is that
A kind of preparation method being acidified aging paper document depickling reinforcing agent, using borax as depickling component, with polyvinyl alcohol (PVA)
It is enhancing component with acrylamide, the aqueous solution of each component is uniformly mixed to the depickling enhancing for obtaining acidification aging paper document
Agent；Contain initiator in the acrylamide.
In above-mentioned preparation method, borax solution be it is ready-to-use, weigh borax solid, be dissolved in distilled water or deionization
Water, room temperature are stirred continuously until that solid is completely dissolved, and obtain the borax soln of 0.1 ~ 5wt%.
In above-mentioned preparation method, the type of the PVA includes PVA1788, PVA1799, PVA1750 ± 50 or PVA0588.
In above-mentioned preparation method, PVA solution is to use preceding preparation, method particularly includes: it weighs PVA solid and in distilled water or goes
It dissolves in ionized water, can be made it completely dissolved in heating water bath to 80 ~ 100 DEG C of stirrings according to the degree of polymerization of PVA and alcoholysis degree, it is quiet
Set the PVA solution for being cooled to room temperature to obtain 0.1 ~ 5wt%.
In above-mentioned preparation method, acrylamide solution is ready-to-use；Method particularly includes: acrylamide solid is weighed, is added
Enter distilled water or deionized water, lasting stirring makes it completely dissolved to get to the acrylamide solution of 0.1 ~ 5wt% at room temperature.
In above-mentioned preparation method, initiator is that water soluble, redox causes system；Oxidant is persulfate, peroxidating
Hydrogen or bromate；Reducing agent is sulphite, pyrophosphate, malic acid or ascorbic acid；The persulfate includes persulfuric acid
Ammonium or potassium peroxydisulfate；The sulphite is sodium sulfite, sodium hydrogensulfite or ferrous sulfate.
In above-mentioned preparation method, initiator solution is ready-to-use；Method particularly includes: oxidant and reduction are weighed respectively
Agent, the oxidant and reducing agent mass ratio are 2:1-6:1, and are dissolved in distilled water or deionized water, are persistently stirred at room temperature
Mix and make it completely dissolved, compound concentration is that 0.1 ~ 1 wt%(is calculated with oxidant and reducing agent gross mass) initiator solution；Institute
State initiator amount satisfaction: acrylamide is 10:1 ~ 40:1 with initiator quality ratio.
In above-mentioned preparation method, borax/polyvinyl alcohol/acrylamide adds the preparation of initiator depickling reinforcing agent: taking respectively
0.1 ~ 5wt% borax soln, 0.1 ~ 5wt% poly-vinyl alcohol solution and 0.1 ~ 5wt% acrylamide solution, by borax: polyvinyl alcohol:
The proportion of acylamide is (1 ~ 20): (0.1 ~ 5): (0.3 ~ 15) is uniformly mixed, acrylamide: initiator (mass ratio) is 10:
1-40:1 prepares borax/polyvinyl alcohol/acrylamide (initiator) depickling enhancing that final mass concentration is 0.1wt% ~ 5wt%
Agent.
A kind of application method being acidified aging paper document depickling reinforcing agent, includes the following steps:
(1) depickling reinforcing agent is placed in watering can, is equably sprayed at paper document paper surface in spraying form；Dosage is
1.0~4.0g/m2；
(2) the paper document paper for having sprayed depickling reinforcing agent is put in baking oven, 40 ~ 80 DEG C of lower reactions and dry 1 ~
6h completes the depickling enhancing processing to paper document paper.
Basic principle of the invention is as follows: in borax/polyvinyl alcohol/acrylamide (adding initiator) composite deacidifying reinforcing agent
Borax solution be a kind of alkaline solution with buffering property, as aging paper deacidification agent its in and paper in
Can occur pH too low or excessively high phenomenon while acidic materials to avoid paper, and borax has Antimicrobial preservative effect, it can be with
Inhibit microorganism to destroy paper document, achievees the effect that duplicate protection；In addition, electron deficient effect of the borax because of its borate,
It may make the groups such as itself and fiber surface hydroxyl to form Hydrogenbond, play the role of centainly enhancing paper strength.Polyvinyl alcohol
It (PVA) is a kind of common paper surface sizing agent and surface reinforcing agent, having outstanding film forming, grease resistance and biology can
Degradability.PVA, can be with fiber containing a large amount of hydroxyl on molecule since good film forming can be with the hole between fill fiber
Hydroxyl on cellulose fiber forms hydrogen bond, increases interfibrous combination, improves paper strength.Acrylamide is allyl monomer,
Raolical polymerizable is easy to happen under the action of initiator.Reducing agent in redox system initiator can effectively reduce
Activation energy when oxidant thermally decomposes, occurs that polymerization reaction at a lower temperature.The present invention is by borax/polyvinyl alcohol/the third
Acrylamide (adding initiator) combination solution is sprayed in acidification aging paper document paper, the acid in borax and in page
Matter improves and stablizes the pH value of paper, protects paper not by microbial attack；In addition several components are third under the action of initiator
Polymerization reaction occurs for acrylamide itself, acrylamide and PVA, acrylamide and cellulose etc.；These reactions include acrylamide
Self-polymeric reaction, polyvinyl alcohol react with acrylic amide graft copolymerization, acrylamide and the hydroxyl crosslinking of fiber surface etc., result
Close network structure is formed between fiber, preferably enhances interfibrous combination, hence it is evident that the intensity of paper after raising processing
Performance.In addition borax is also the crosslinking agent of PVA, can also enhance paper strength in the intermolecular formation cross-linked network structure of PVA
Performance.
Compared with existing depickling reinforcing agent, the present invention is had the advantage that
Dried in paper after 1. borax/polyvinyl alcohol/acrylamide (adding initiator) composite deacidifying reinforcing agent is sprayed at page
Acryloyl can occur at a lower temperature under the action of redox system initiator for Cheng Zhong, several components in addition to borax
The graft copolymerizations such as amine autohemagglutination, acrylamide and PVA and acrylamide and cellulose；Its result is formed closely between fiber
Network structure preferably enhances interfibrous combination, hence it is evident that the strength character of paper after raising processing.
2. borax/polyvinyl alcohol/acrylamide (adding initiator) compounding depickling reinforcing agent takes water as a solvent, it is not easy to wave
Hair, corrosion-free, harm to the human body is smaller, and raw material is easy to get, and prepares simple and convenient, and does not generate to the picture and text of paper document after processing
It influences.
The present invention is good to acidification aging paper document depickling reinforcing effect, and implementing process is simple, easy to spread and use.
Specific embodiment
The present invention is further elaborated below with reference to specific example, but a specific embodiment of the invention is not
It is limited to this.
Embodiment 1
Borax, polyvinyl alcohol (PVA0588) and acrylamide are dissolved respectively using deionized water spare.By acrylamide with draw
Send out agent (mAmmonium persulfate: mSodium hydrogensulfite=3:1) mass ratio be 30:1, reaction temperature be 60 DEG C, reaction time 3h, enhance component in poly- second
The mass ratio of enol and acrylamide is 1:5, the matter of depickling component (borax) and enhancing component (polyvinyl alcohol and acrylamide)
Amount is than being 2:1(substance content, mass ratio) it is configured to 2% mixed solution (magnetic agitation, 15min).Mixed solution is placed in
In watering can, being uniformly sprayed on acidification aging paper, (pH 5.4, tensile index 23.5N.m/g, whiteness 30.68%, tearing refers to
Number is 1.01Nm2/ g) surface, dosage 2.0g/m2.Through the enhanced paper of depickling compared with body paper: pH is improved
44.81%, it is 7.82；Tensile index improves 34.47%, is 31.6Nm/g；Tear index improves 6.93%, is 1.08mN
m2/g；Whiteness is basically unchanged.
Embodiment 2
Borax, polyvinyl alcohol (PVA0588) and acrylamide are dissolved respectively using deionized water spare.By acrylamide with draw
Send out agent (mAmmonium persulfate: mSodium hydrogensulfite=3:1) mass ratio be 25:1, reaction temperature be 60 DEG C, reaction time 3h, enhance component in poly- second
The mass ratio of enol and acrylamide is 1:5, the matter of depickling component (borax) and enhancing component (polyvinyl alcohol and acrylamide)
Amount is than being 2:1(substance content, mass ratio) it is configured to 2% mixed solution (magnetic agitation, 15min).Mixed solution is placed in
In watering can, being uniformly sprayed on acidification aging paper, (pH 5.4, tensile index 23.5N.m/g, whiteness 30.68%, tearing refers to
Number is 1.01Nm2/ g) surface, dosage 2g/m2.Through the enhanced paper of depickling compared with body paper: pH improves 50.56%,
It is 8.13；Tensile index improves 40.43%, is 33.0Nm/g；Tear index improves 17.82%, is 1.19mNm2/g；It is white
Degree is basically unchanged.
Embodiment 3
Borax, polyvinyl alcohol (PVA0588) and acrylamide are dissolved respectively using deionized water spare.By acrylamide with draw
Send out agent (mAmmonium persulfate: mSodium hydrogensulfite=3:1) mass ratio be 25:1, reaction temperature be 60 DEG C, reaction time 2h, enhance component in poly- second
The mass ratio of enol and acrylamide is 1:5, the matter of depickling component (borax) and enhancing component (polyvinyl alcohol and acrylamide)
Amount is than being 2:1(substance content, mass ratio) it is configured to 2% mixed solution (magnetic agitation, 15min).Mixed solution is placed in
In watering can, being uniformly sprayed on acidification aging paper, (pH 5.4, tensile index 23.5N.m/g, whiteness 30.68%, tearing refers to
Number is 1.01Nm2/ g) surface, dosage 2g/m2.Through the enhanced paper of depickling compared with body paper: pH improves 49.26%,
It is 8.06；Tensile index improves 45.23%, is 341N.m/g；Tear index improves 25.74%, is 1.27mNm2/g；It is white
Degree is basically unchanged.
Embodiment 4
Borax, polyvinyl alcohol (PVA0588) and acrylamide are dissolved respectively using deionized water spare.By acrylamide with draw
Send out agent (mAmmonium persulfate: mSodium hydrogensulfite=3:1) mass ratio be 25:1, reaction temperature be 40 DEG C, reaction time 2h, enhance component in poly- second
The mass ratio of enol and acrylamide is 1:5, the matter of depickling component (borax) and enhancing component (polyvinyl alcohol and acrylamide)
Amount is than being 2:1(substance content, mass ratio) it is configured to 2% mixed solution (magnetic agitation, 15min).Mixed solution is placed in
In watering can, being uniformly sprayed on acidification aging paper, (pH 5.4, tensile index 23.5N.m/g, whiteness 30.68%, tearing refers to
Number is 1.01Nm2/ g) surface, dosage 2g/m2.Through the enhanced paper of depickling compared with body paper: pH improves 46.30%,
It is 7.9；Tensile index improves 33.19%, is 31.3Nm/g；Tear index improves 17.82%, is 1.19mNm2/g；It is white
Degree is basically unchanged.
Embodiment 5
Borax, polyvinyl alcohol (PVA0588) and acrylamide are dissolved respectively using deionized water spare.By acrylamide with draw
Send out agent (mAmmonium persulfate: mSodium hydrogensulfite=3:1) mass ratio be 25:1, reaction temperature be 60 DEG C, reaction time 2h, enhance component in poly- second
The mass ratio of enol and acrylamide is 2:5, the matter of depickling component (borax) and enhancing component (polyvinyl alcohol and acrylamide)
Amount is than being 2:1(substance content, mass ratio) it is configured to 2% mixed solution (magnetic agitation, 15min).Mixed solution is placed in
In watering can, being uniformly sprayed on acidification aging paper, (pH 5.4, tensile index 23.5N.m/g, whiteness 30.68%, tearing refers to
Number is 1.01Nm2/ g) surface, dosage 2g/m2.Through the enhanced paper of depickling compared with body paper: pH improves 49.07%,
It is 8.05；Tensile index improves 47.66%, is 34.7Nm/g；Tear index improves 59.41%, is 1.61mNm2/g；It is white
Degree is basically unchanged.
Embodiment 6
Borax, polyvinyl alcohol (PVA0588) and acrylamide are dissolved respectively using deionized water spare.By acrylamide with draw
Send out agent (mAmmonium persulfate: mSodium hydrogensulfite=3:1) mass ratio be 25:1, reaction temperature be 60 DEG C, reaction time 2h, enhance component in poly- second
The mass ratio of enol and acrylamide is 2:5, the matter of depickling component (borax) and enhancing component (polyvinyl alcohol and acrylamide)
Amount is than being 2:1(substance content, mass ratio) it is configured to 2% mixed solution (magnetic agitation, 15min).Mixed solution is placed in
In watering can, being uniformly sprayed on acidification aging paper, (pH 5.4, tensile index 23.5N.m/g, whiteness 30.68%, tearing refers to
Number is 1.01Nm2/ g) surface, dosage 1.5g/m2.Through the enhanced paper of depickling compared with body paper: pH is improved
46.11%, it is 7.89；Tensile index improves 51.19%, is 35.7Nm/g；Tear index improves 71.29%, is 1.73mN
m2/g；Whiteness is basically unchanged.
Embodiment 7
Borax, polyvinyl alcohol (PVA0588) and acrylamide are dissolved respectively using deionized water spare.By acrylamide with draw
Send out agent (mAmmonium persulfate: mSodium hydrogensulfite=3:1) mass ratio be 25:1, reaction temperature be 60 DEG C, reaction time 2h, enhance component in poly- second
The mass ratio of enol and acrylamide is 2:5, the matter of depickling component (borax) and enhancing component (polyvinyl alcohol and acrylamide)
Amount is than being 3:1(substance content, mass ratio) it is configured to 2% mixed solution (magnetic agitation, 15min).Mixed solution is placed in
In watering can, being uniformly sprayed on acidification aging paper, (pH 5.4, tensile index 23.5N.m/g, whiteness 30.68%, tearing refers to
Number is 1.01Nm2/ g) surface, dosage 2.0g/m2.Through the enhanced paper of depickling compared with body paper: pH is improved
53.89%, it is 8.31；Tensile index improves 40.00%, is 32.9Nm/g；Tear index improves 47.52%, is 1.49mN
m2/g；Whiteness is basically unchanged.
Embodiment 8
Borax, polyvinyl alcohol (PVA0588) and acrylamide are dissolved respectively using deionized water spare.By acrylamide with draw
Send out agent (mAmmonium persulfate: mSodium hydrogensulfite=3:1) mass ratio be 15:1, reaction temperature be 60 DEG C, reaction time 2h, enhance component in poly- second
The mass ratio of enol and acrylamide is 2:5, the matter of depickling component (borax) and enhancing component (polyvinyl alcohol and acrylamide)
Amount is than being 3:1(substance content, mass ratio) it is configured to 2% mixed solution (magnetic agitation, 15min).Mixed solution is placed in
In watering can, being uniformly sprayed on acidification aging paper, (pH 5.4, tensile index 23.5N.m/g, whiteness 30.68%, tearing refers to
Number is 1.01Nm2/ g) surface, dosage 2.0g/m2.Through the enhanced paper of depickling compared with body paper: pH is improved
45.74%, it is 7.87；Tensile index improves 27.66%, is 30.0Nm/g；Tear index improves 28.71%, is 1.30mN
m2/g；Whiteness is basically unchanged.
Embodiment 9
Borax, polyvinyl alcohol (PVA0588) and acrylamide are dissolved respectively using deionized water spare.By acrylamide with draw
Send out agent (mAmmonium persulfate: mSodium hydrogensulfite=3:1) mass ratio be 20:1, reaction temperature be 60 DEG C, reaction time 2h, enhance component in poly- second
The mass ratio of enol and acrylamide is 2:5, the matter of depickling component (borax) and enhancing component (polyvinyl alcohol and acrylamide)
Amount is than being 3:1(substance content, mass ratio) it is configured to 2% mixed solution (magnetic agitation, 15min).Mixed solution is placed in
In watering can, being uniformly sprayed on acidification aging paper, (pH 5.4, tensile index 23.5N.m/g, whiteness 30.68%, tearing refers to
Number is 1.01Nm2/ g) surface, dosage 2.0g/m2.Through the enhanced paper of depickling compared with body paper: pH is improved
47.22%, it is 7.95；Tensile index improves 33.62%, is 31.4Nm/g；Tear index improves 19.80%, is 1.21mN
m2/g；Whiteness is basically unchanged.
Claims (9)
1. a kind of preparation method for being acidified aging paper document depickling reinforcing agent, it is characterised in that:
Using borax as depickling component, component is enhanced with polyvinyl alcohol (PVA) and acrylamide, the aqueous solution of each component is mixed equal
It is even to obtain acidification aging paper document depickling reinforcing agent；Contain initiator in the acrylamide.
2. being acidified the preparation method of aging paper document depickling reinforcing agent according to claim 1, it is characterised in that: borax water
Solution be it is ready-to-use, weigh borax solid, be dissolved in distilled water or deionized water, room temperature is stirred continuously until that solid is completely molten
Solution, obtains the borax soln of 0.1 ~ 5wt%.
3. being acidified the preparation method of aging paper document depickling reinforcing agent according to claim 1, it is characterised in that: described
The type of PVA includes PVA1788, PVA1799, PVA1750 ± 50 or PVA0588.
4. being acidified the preparation method of aging paper document depickling reinforcing agent according to claim 1, it is characterised in that: PVA is molten
Liquid is to use preceding preparation, method particularly includes: it weighs PVA solid and is dissolved in distilled water or deionized water, according to the degree of polymerization of PVA
It can be made it completely dissolved in heating water bath to 80 ~ 100 DEG C of stirrings with alcoholysis degree, standing is cooled to room temperature to obtain 0.1 ~ 5wt%'s
PVA solution.
5. being acidified the preparation method of aging paper document depickling reinforcing agent according to claim 1, it is characterised in that: acryloyl
Amine aqueous solution is ready-to-use；Method particularly includes: acrylamide solid is weighed, distilled water or deionized water is added, is continued at room temperature
Stirring makes it completely dissolved to get to the acrylamide solution of 0.1 ~ 5wt%.
6. being acidified the preparation method of aging paper document depickling reinforcing agent according to claim 1, it is characterised in that: initiator
Cause system for water soluble, redox；Oxidant is persulfate, hydrogen peroxide or bromate；Reducing agent be sulphite,
Pyrophosphate, malic acid or ascorbic acid；The persulfate includes ammonium persulfate or potassium peroxydisulfate；The sulphite is Asia
Sodium sulphate, sodium hydrogensulfite or ferrous sulfate.
7. being acidified the preparation method of aging paper document depickling reinforcing agent according to claim 1, it is characterised in that: initiator
Solution is ready-to-use；Method particularly includes: Oxidizing and Reducing Agents is weighed respectively, and the oxidant and reducing agent mass ratio are 2:
1-6:1, and be dissolved in distilled water or deionized water, lasting stirring makes it completely dissolved at room temperature, and compound concentration is 0.1 ~ 1
Wt%(is calculated with oxidant and reducing agent gross mass) initiator solution；The initiator amount meets: acrylamide and initiation
Agent mass ratio is 10:1 ~ 40:1.
8. being acidified the preparation method of aging paper document depickling reinforcing agent according to claim 1, it is characterised in that: borax/
Polyvinyl alcohol/acrylamide adds the preparation of initiator depickling reinforcing agent: taking the poly- second of 0.1 ~ 5wt% borax soln, 0.1 ~ 5wt% respectively
Enolate solution and 0.1 ~ 5wt% acrylamide solution, by borax: polyvinyl alcohol: the proportion of acylamide is (1 ~ 20): (0.1 ~
5): (0.3 ~ 15) is uniformly mixed, acrylamide: initiator (mass ratio) is 10:1-40:1, prepares final mass concentration and is
The borax of 0.1wt% ~ 5wt%/polyvinyl alcohol/acrylamide (initiator) depickling reinforcing agent.
9. by the application method for the acidification aging paper document depickling reinforcing agent that claim 1 is prepared, which is characterized in that packet
Include following steps:
(1) depickling reinforcing agent is placed in watering can, is equably sprayed at paper document paper surface in spraying form；Dosage is
1.0~4.0g/m2；
(2) the paper document paper for having sprayed depickling reinforcing agent is put in baking oven, 40 ~ 80 DEG C of lower reactions and dry 1 ~
6h completes the depickling enhancing processing to paper document paper.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910471395.6A CN110106743A (en) | 2019-05-31 | 2019-05-31 | A kind of method of preparation and use being acidified aging paper document depickling reinforcing agent |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910471395.6A CN110106743A (en) | 2019-05-31 | 2019-05-31 | A kind of method of preparation and use being acidified aging paper document depickling reinforcing agent |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110106743A true CN110106743A (en) | 2019-08-09 |
Family
ID=67493424
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910471395.6A Pending CN110106743A (en) | 2019-05-31 | 2019-05-31 | A kind of method of preparation and use being acidified aging paper document depickling reinforcing agent |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110106743A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110552238A (en) * | 2019-08-26 | 2019-12-10 | 华南理工大学 | Paper reinforcing and strengthening treatment liquid and method for reinforcing and strengthening paper |
| US11486096B2 (en) * | 2017-11-28 | 2022-11-01 | South China University Of Technology | Method for strengthening and reinforcing ancient books |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB522107A (en) * | 1938-12-01 | 1940-06-10 | Charles Sunderland | Method and means for protecting and reinforcing sheets of printed paper, documents, books and the like |
| US5482781A (en) * | 1992-08-04 | 1996-01-09 | Battelle Ingenieurtechnik Gmbh | Process for restrengthening damaged paper and product produced thereby |
| WO2002042557A1 (en) * | 2000-11-21 | 2002-05-30 | ZFB Zentrum für Bucherhaltung GmbH | Solidifying agent and/or stabilizer |
| CN102268842A (en) * | 2011-07-28 | 2011-12-07 | 广东工业大学 | Method for deacidifying paper by using soluble tetraborate as paper deacidifying agent |
| CN106351063A (en) * | 2016-08-19 | 2017-01-25 | 浙江恒达新材料股份有限公司 | Dispersed copolymer of organic boron composite crosslinking agent and cationic polymer, and preparation method thereof and application, papermaking method |
| CN107141409A (en) * | 2017-06-01 | 2017-09-08 | 广东省造纸研究所 | A kind of preparation method of paper strengthening agent |
| CN108221481A (en) * | 2017-12-12 | 2018-06-29 | 华南理工大学 | A kind of method that polyacrylamide/polyvinyl alcohol/borax composite solution carries out paper document depickling enhancing |
| CN109695182A (en) * | 2019-01-24 | 2019-04-30 | 华南理工大学 | A kind of method depickling enhancing treatment fluid and aging paper is handled |
-
2019
- 2019-05-31 CN CN201910471395.6A patent/CN110106743A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB522107A (en) * | 1938-12-01 | 1940-06-10 | Charles Sunderland | Method and means for protecting and reinforcing sheets of printed paper, documents, books and the like |
| US5482781A (en) * | 1992-08-04 | 1996-01-09 | Battelle Ingenieurtechnik Gmbh | Process for restrengthening damaged paper and product produced thereby |
| WO2002042557A1 (en) * | 2000-11-21 | 2002-05-30 | ZFB Zentrum für Bucherhaltung GmbH | Solidifying agent and/or stabilizer |
| CN102268842A (en) * | 2011-07-28 | 2011-12-07 | 广东工业大学 | Method for deacidifying paper by using soluble tetraborate as paper deacidifying agent |
| CN106351063A (en) * | 2016-08-19 | 2017-01-25 | 浙江恒达新材料股份有限公司 | Dispersed copolymer of organic boron composite crosslinking agent and cationic polymer, and preparation method thereof and application, papermaking method |
| CN107141409A (en) * | 2017-06-01 | 2017-09-08 | 广东省造纸研究所 | A kind of preparation method of paper strengthening agent |
| CN108221481A (en) * | 2017-12-12 | 2018-06-29 | 华南理工大学 | A kind of method that polyacrylamide/polyvinyl alcohol/borax composite solution carries out paper document depickling enhancing |
| CN109695182A (en) * | 2019-01-24 | 2019-04-30 | 华南理工大学 | A kind of method depickling enhancing treatment fluid and aging paper is handled |
Non-Patent Citations (1)
| Title |
|---|
| 严瑞瑄: "《水溶性高分子》", 30 June 1998, 北京：化学工业出版社 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11486096B2 (en) * | 2017-11-28 | 2022-11-01 | South China University Of Technology | Method for strengthening and reinforcing ancient books |
| CN110552238A (en) * | 2019-08-26 | 2019-12-10 | 华南理工大学 | Paper reinforcing and strengthening treatment liquid and method for reinforcing and strengthening paper |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CA1303765C (en) | Sizing agents for paper based on finely divided aqueous dispersions | |
| CN110106743A (en) | A kind of method of preparation and use being acidified aging paper document depickling reinforcing agent | |
| EP2500394B1 (en) | Water-resistant/oil-resistant agent composition, article treated with the composition, and processes for production of the composition and the article | |
| JP2596593B2 (en) | Process for producing paper, cardboard or paperboard with high drying strength | |
| EP1309636B1 (en) | Polymer dispersions containing starch | |
| KR970706314A (en) | Process for Preparing an Aqueous Polymer Dispersion | |
| JPH0197297A (en) | Improvement of printability of paper | |
| US5116890A (en) | Non-formaldehyde self-crosslinking latex | |
| KR0133969B1 (en) | Biologically degradable aqueous dispersions | |
| JP2005528478A (en) | Aqueous polymer dispersions based on copolymers of vinyl aromatic compounds and butadiene, processes for their preparation and their use as sizing agents for paper | |
| CN111117382A (en) | Environment-friendly interior wall formaldehyde-removing styrene-acrylic emulsion, preparation method thereof and coating | |
| AU696666B2 (en) | Water-soluble polymers | |
| CN105131308B (en) | The method that a kind of laccase/tert-butyl hydroperoxide catalysis prepares wooden hydrogel | |
| JP2000273387A (en) | Paper surface improver | |
| BR0005278A (en) | Emulsion polymer, process for preparing it, and aqueous coating composition | |
| CN108221481B (en) | Method for deacidifying and enhancing paper documents by polyacrylamide/polyvinyl alcohol/borax composite solution | |
| JP3532308B2 (en) | Paper processing agent | |
| GB973248A (en) | Process for the preparation of copolymers of copolymers of alpha-beta-ethylenically unsaturated aldehydes | |
| EP0889992B1 (en) | Surface sizing of cellulose-based products | |
| CN110627948A (en) | Double-bonded eugenol modified styrene-acrylic emulsion and preparation method thereof | |
| CN105254812B (en) | A kind of grafting starch preparation method based on enzymatic cascade reaction | |
| CN114605917B (en) | Environment-friendly moisture-proof coating based on silk fibroin-PMMA-chitosan | |
| CN110552241A (en) | Method for deacidifying and enhancing acidified and aged paper documents by using sodium silicate or borax and polyamide epichlorohydrin compound | |
| JP2004315792A (en) | Vinylamine-based copolymer, and vinylamine-based deodorizing agent and antibacterial agent | |
| US4433090A (en) | Viscosity modifiers for acrylamide polymer |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |