CN107385994A - A kind of reinforcement means of aging paper strengthening agent and aging paper - Google Patents
A kind of reinforcement means of aging paper strengthening agent and aging paper Download PDFInfo
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- CN107385994A CN107385994A CN201710566439.4A CN201710566439A CN107385994A CN 107385994 A CN107385994 A CN 107385994A CN 201710566439 A CN201710566439 A CN 201710566439A CN 107385994 A CN107385994 A CN 107385994A
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- Prior art keywords
- paper
- aging
- strengthening agent
- solvent
- reinforcement means
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Classifications
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- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H19/00—Coated paper; Coating material
- D21H19/10—Coatings without pigments
- D21H19/14—Coatings without pigments applied in a form other than the aqueous solution defined in group D21H19/12
- D21H19/34—Coatings without pigments applied in a form other than the aqueous solution defined in group D21H19/12 comprising cellulose or derivatives thereof
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H19/00—Coated paper; Coating material
- D21H19/80—Paper comprising more than one coating
- D21H19/82—Paper comprising more than one coating superposed
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H21/00—Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties
- D21H21/14—Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties characterised by function or properties in or on the paper
- D21H21/18—Reinforcing agents
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H25/00—After-treatment of paper not provided for in groups D21H17/00 - D21H23/00
- D21H25/04—Physical treatment, e.g. heating, irradiating
- D21H25/06—Physical treatment, e.g. heating, irradiating of impregnated or coated paper
-
- 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
Abstract
The invention provides a kind of aging paper strengthening agent and the reinforcement means of aging paper, specifically, the reinforcement means of aging paper provided by the invention, comprises the following steps：A strengthening agent) is applied to aging paper surface, repeated 1~5 time；B) by the paper after processing under 20~30 DEG C, 40%~60% damp condition naturally dry；The strengthening agent includes：Carboxymethyl cellulose and solvent；The mass ratio of the carboxymethyl cellulose and solvent is 1：(50~400)；The solvent is mass ratio 1:1 ethanol, distill water mixed solvent.Reinforcement means provided by the invention can play good reparation removal effect to the paper of aging, the mechanical strength of aging paper can be significantly increased, and the surface of paper, pH value will not be had a significant effect, too big influence is not had on the colourity of paper, is advantageous to the preservation of paper.
Description
Technical field
The present invention relates to paper process technical field, more particularly to the reinforcing of a kind of aging paper strengthening agent and aging paper
Method.
Background technology
China is the ancient civilized country for having excellent traditional culture.As the paper technology of one of Ancient Times in China four inventions,
Good application has been obtained in the very long age, has generated the paper document such as substantial amounts of historical calligraphy and painting and archives ancient books.Papery
Document recites the life course that the brilliant history of Chinese nation's 5,000-year and down and Chinese sons and daughters's tanacity do not stop, and is the Chinese nation
Stand erect in the spiritual spine in the world.Now, the protection of these valuable history culture data particularly modern times literature books
The stern challenge such as aging is but faced with, damages by worms, make moist.
Investigation display, the modern times documents and books that most of libraries of China and archives have more than 60% at present occur sternly
The phenomenon that the acidifying of weight declines with mechanical strength.A large amount of paper serious discolorations, ink marks is fuzzy to be difficult to recognize, mechanical strength significantly
It is broken to reduce even one and touch.So the protection reinforced to paper has become very urgent thing.
At present, paper protection technique mainly has depickling with reinforcing.Paper deacidification method has gas phase depickling method and liquid phase respectively
Depickling method, while to paper deacidification, using other biological or chemical material, ensure will not to the pattern of paper, thickness,
Color and luster, texture etc. are reinforced on the premise of impacting to paper, can be significantly improved the mechanical strength of paper relics, also may be used
To slow down the degradation with aging of historical relic, and with the antibacterial effect of insect prevention.At present, domestic and international common reinforcement means has support mounting method
Silk net reinforcing method, hot pressing coating method, vacuum coating method, macromolecule glue cladding process and у ray methods.But exist and reinforce efficiency
It is low, processing time is long, complex steps, the problems such as influenceing paper color.
The content of the invention
In view of this, the technical problem to be solved in the present invention is to provide a kind of aging paper strengthening agent and aging paper
Reinforcement means, reinforce efficiency high, processing time is short.
The invention provides a kind of aging paper strengthening agent, including：Carboxymethyl cellulose and solvent；
The mass ratio of the carboxymethyl cellulose and solvent is 1：(50~400)；
The solvent is mass ratio 1:1 ethanol, distill water mixed solvent.
Preferably, the mass ratio of the carboxymethyl cellulose and solvent is 1:100~3:500.
Preferably, the substitution value of the carboxymethyl cellulose is：0.94DS, viscosity are：271mpa·s.
The ethanol is preferably analyzed pure.
The ethanol is preferably absolute ethyl alcohol.
Above-mentioned strengthening agent preparation method is simple, and ethanol is mixed in proportion with distilled water, then adds carboxymethyl cellulose
Dissolved.
After the completion of prepared by the strengthening agent, preferably it is sealed, avoids solvent from volatilizing.
The aging paper can be Modern Paper and old documents and materials paper.
Present invention also offers a kind of reinforcement means of aging paper, comprise the following steps：
A strengthening agent) is applied to aging paper surface, repeated 1~5 time；
B) by the paper after processing under 20~30 DEG C, 40%~60% damp condition naturally dry；
The strengthening agent includes：Carboxymethyl cellulose and solvent；
The mass ratio of the carboxymethyl cellulose and solvent is 1：(50~400)；
The solvent is mass ratio 1:1 ethanol, distill water mixed solvent.
Above-mentioned strengthening agent each component and ratio are same as above, and will not be repeated here.
It is currently preferred, the step A) be specially：
Strengthening agent is dipped with brush, in aging paper surface brushing, repeats 1~5 time, repeats waved in strengthening agent every time
10~15min is carried out after hair.
In some embodiments of the invention, strengthening agent is dipped using spread pen, directly in the aging paper that need to be handled
Smeared on surface.
Currently preferred, above-mentioned steps A) in smear the temperature of strengthening agent be 20~30 DEG C.
It is currently preferred, by the paper after processing under 25 DEG C, 50% damp condition naturally dry.
The aging paper can be Modern Paper and old documents and materials paper.
Compared with prior art, the invention provides a kind of reinforcement means of aging paper, made using carboxymethyl cellulose
For paper strengthening agent, this strengthening agent can realize preferable consolidation effect to the paper of aging, be repaired the paper of aging；
Infiltration of the carboxymethyl cellulose between paper fibre is contributed to as solvent using absolute ethyl alcohol and distilled water simultaneously；This hair
The technical scheme of bright offer is by using carboxymethyl cellulose and absolute ethyl alcohol and distilled water mixed preparing strengthening agent, to aging
Paper can play good reparation removal effect, can significantly increase the mechanical strength of aging paper, and will not be to paper
Surface, pH value have a significant effect, and do not have too big influence to the colourity of paper, are advantageous to the preservation of paper.
Brief description of the drawings
Fig. 1 is the infrared absorption curve figure of the paper after unguyed, reinforcing in embodiment 4；
Fig. 2 is the scanning electron microscope (SEM) photograph of unguyed paper in embodiment 8；
Fig. 3 is scanning electron microscope (SEM) photograph of the unguyed paper after burin-in process in embodiment 8；
Fig. 4 is the scanning electron microscope (SEM) photograph of the paper after being reinforced in embodiment 8；
Fig. 5 is scanning electron microscope (SEM) photograph of the paper after burin-in process after being reinforced in embodiment 8.
Embodiment
In order to further illustrate the present invention, with reference to embodiment to aging paper strengthening agent provided by the invention and aging
The reinforcement means of paper is described in detail.
Pretreatment：
Take the antiquated paper of same batch several, be placed in 25 DEG C, under 50% humidity, taken out after constant temperature and humidity processing 24h and wait to locate
Reason.
Embodiment 1
Accurately measure 49.75g absolute ethyl alcohols and 49.75g distilled water insert beaker, add 0.5g carboxymethyl celluloses,
It is thoroughly mixed, is placed in sealing container, directly being smeared with brush needs paper to be processed, brush 10 back and forth at 25 DEG C~
15min；By the paper after processing under 25 DEG C, 50% humidity naturally dry.
It is as a result as shown in table 1 below with paper properties and index after processing before measurement processing：
The forward and backward performance change of paper process of 1 embodiment of table 1
Embodiment 2
Accurately measure 49.625g absolute ethyl alcohols and 49.625g distilled water insert beaker, add 0.75g carboxymethyl celluloses,
Be thoroughly mixed, be inverted in sealing container, prevent with air contact and volatilize, directly being smeared with brush needs paper to be processed
, 10~15min is brushed back and forth at 20-30 DEG C；By the paper after processing under 25 DEG C, 50% humidity naturally dry.
It is as a result as shown in table 2 below with paper properties and index after processing before measurement processing：
The forward and backward performance change of paper process of 2 embodiment of table 2
Embodiment 3
Accurately measure 49.5g absolute ethyl alcohols and 49.5g distilled water inserts beaker, add 1.00g carboxymethyl celluloses, fully
It is stirred, is inverted in sealing container, prevents from volatilizing with air contact.Directly being smeared with brush needs paper to be processed,
10~15min is brushed back and forth at 20-30 DEG C；By the paper after processing under 25 DEG C, 50% humidity naturally dry.
It is as a result as shown in table 3 below with paper properties and index after processing before measurement processing：
The forward and backward performance change of paper process of 3 embodiment of table 3
Embodiment 4
Accurately measure 49.375g absolute ethyl alcohols and 49.375g distilled water insert beaker, add 1.25g carboxymethyl celluloses,
It is thoroughly mixed, is inverted in sealing container, prevents from volatilizing with air contact.Directly being smeared with brush needs paper to be processed
, 10~15min is brushed back and forth at 20-30 DEG C；By the paper after processing under 25 DEG C, 50% humidity naturally dry.
It is as a result as shown in table 4 below with paper properties and index after processing before measurement processing：
The forward and backward performance change of paper process of 4 embodiment of table 4
Infrared detection is carried out to the paper after unguyed, reinforcing, its infrared curve map is as shown in Figure 1.As shown in Figure 1, add
Gu after, paper functional group does not change, and therefore, strengthening agent provided by the invention will not cause qualitative change to injure on paper.
Embodiment 5
Accurately measure 49.25g distilled water and 49.25g absolute ethyl alcohols insert beaker, add 1.50g carboxymethyl celluloses, fill
Point be stirred, be inverted in sealing container, prevent with air contact and volatilize.Directly being smeared with brush needs paper to be processed
, 10~15min is brushed back and forth at 20-30 DEG C；By the paper after processing under 25 DEG C, 50% humidity naturally dry.
It is as a result as shown in table 5 below with paper properties and index after processing before measurement processing：
The forward and backward performance change of paper process of 5 embodiment of table 5
Embodiment 6
Accurately measure 49.125g distilled water and 49.125g absolute ethyl alcohols insert beaker, add 1.75g carboxymethyl celluloses,
It is thoroughly mixed, is inverted in sealing container, prevents from volatilizing with air contact.Directly being smeared with brush needs paper to be processed
, 10~15min is brushed back and forth at 20-30 DEG C；By the paper after processing under 25 DEG C, 50% humidity naturally dry.
It is as a result as shown in table 6 below with paper properties and index after processing before measurement processing：
The forward and backward performance change of paper process of 6 embodiment of table 6
Embodiment 7
Accurately measure 49.00g distilled water and 49.00g absolute ethyl alcohols insert beaker, add 2.00g carboxymethyl celluloses, fill
Point be stirred, be inverted in sealing container, prevent with air contact and volatilize.Directly being smeared with brush needs paper to be processed
, 10~15min is brushed back and forth at 20-30 DEG C；By the paper after processing under 25 DEG C, 50% humidity naturally dry.
It is as a result as shown in table 7 below with paper properties and index after processing before measurement processing：
The forward and backward performance change of paper process of 7 embodiment of table 7
Embodiment 8
Accurately measure 49.50g absolute ethyl alcohols and 49.50g distilled water inserts beaker, add 1.00g carboxymethyl celluloses, fill
Point be stirred, be inverted in sealing container, prevent with air contact and volatilize.Directly being smeared with brush needs paper to be processed
, 10~15min is brushed back and forth at 20-30 DEG C；By the paper after processing under 25 DEG C, 50% humidity naturally dry.By portion
Paper after point consolidation process is put into accelerated ageing 72h in 105 DEG C of insulating boxs.
After measurement processing it is unaged with processing after aging paper properties and index, it is as a result as shown in table 8 below:
The forward and backward performance change of paper aging of 8 embodiment of table 8
Paper internal structure is detected using ESEM, identical burin-in process is carried out to unguyed paper,
As a comparison, wherein, the electron microscope of unguyed paper is as shown in Fig. 2 electron microscope of the unguyed paper after burin-in process such as Fig. 3
Shown, the paper electron microscope after reinforcing is as shown in figure 4, electron microscope of the paper after burin-in process after reinforcing is as shown in Figure 5.
Become clean between paper fibre after paper reinforcing it can be seen from Fig. 2~Fig. 5, the paper fibre after reinforcing is in people
Deformation extent reduces under work heat ageing environment, the ageing resistance enhancing of paper.
Embodiment 9
Accurately measure 49.25g absolute ethyl alcohols and 49.25g distilled water inserts beaker, add 1.25g carboxymethyl celluloses, fill
Point be stirred, be inverted in sealing container, prevent with air contact and volatilize.Directly being smeared with brush needs paper to be processed
, 10~15min is brushed back and forth at 20-30 DEG C；By the paper after processing under 25 DEG C, 50% humidity naturally dry.By portion
Paper after point consolidation process is put into accelerated ageing 72h in 105 DEG C of insulating boxs.
After measurement processing it is unaged with processing after aging paper properties and index, it is as a result as shown in table 9 below:
The forward and backward performance change of paper aging of 9 embodiment of table 9
Embodiment 10
Accurately measure 49.125g absolute ethyl alcohols and 49.125g distilled water insert beaker, add 1.75g carboxymethyl celluloses,
It is thoroughly mixed, is inverted in sealing container, prevents from volatilizing with air contact.Directly being smeared with brush needs paper to be processed
, 10~15min is brushed back and forth at 20-30 DEG C；By the paper after processing under 25 DEG C, 50% humidity naturally dry.By portion
Paper after point consolidation process is put into accelerated ageing 72h in 105 DEG C of insulating boxs.
After measurement processing it is unaged with processing after aging paper properties and index, it is as a result as shown in table 10 below:
The forward and backward performance change of paper aging of 10 embodiment of table 10
Embodiment 11
Accurately measure 49.00g absolute ethyl alcohols and 49.00g distilled water inserts beaker, add 2.00g carboxymethyl celluloses, fill
Point be stirred, be inverted in sealing container, prevent with air contact and volatilize.Directly being smeared with brush needs paper to be processed
, 10~15min is brushed back and forth at 20-30 DEG C；By the paper after processing under 25 DEG C, 50% humidity naturally dry.By portion
Paper after point consolidation process is put into accelerated ageing 72h in 105 DEG C of insulating boxs.
After measurement processing it is unaged with processing after aging paper properties and index, it is as a result as shown in table 11 below:
The forward and backward performance change of paper aging of 11 embodiment of table 11
Brushing back and forth every time in above-described embodiment, carried out after strengthening agent volatilization.
In the present invention, the determination experiment of whiteness, to use color difference meter (Color Reader CR-10) to at strengthening agent
The whiteness of paper is tested before and after reason.The whiteness value of different position measurement diverse locations, every paper look for 8 on every paper
Position is tested, and takes its average value.With the situation of change of L, a, b record color, L values expression brightness coefficient, measured by reflection
The brightness of location point, if its value is bigger, closer to white, conversely, close black (100-white, 0-black).A values are red green axle color
Index is spent, a is bigger, represents that magenta degree is bigger, and a is smaller, and it is bigger to represent green intensity；B values are champac axle chromaticity index,
+ b is bigger, represents that yellow degree is bigger, and it is bigger that-b represents blue degree.The calculation formula of aberration is shown in formula：
△ E=[(△ L)2+(△a)2+(△b)2]0.5
As seen from the above embodiment, by reinforcement means proposed by the present invention, reinforcing guarantor is carried out to paper using strengthening agent
Shield processing, it is not only little on the influence of paper writing, and its mechanical performance is increased by 50% or so, and damp and hot
After accelerated ageing, consolidation effect can also keep 98.5% and more than, and this strengthening agent preparation method is simple, economical and practical, green
Colour circle is protected, and reinforcement means is simply easily implemented, and replicability is strong.
The explanation of above example is only intended to help the method and its core concept for understanding the present invention.It should be pointed out that pair
For those skilled in the art, under the premise without departing from the principles of the invention, the present invention can also be carried out
Some improvement and modification, these are improved and modification is also fallen into the protection domain of the claims in the present invention.
Claims (8)
- A kind of 1. aging paper strengthening agent, it is characterised in that including：Carboxymethyl cellulose and solvent；The mass ratio of the carboxymethyl cellulose and solvent is 1：(50~400)；The solvent is mass ratio 1:1 ethanol, distill water mixed solvent.
- 2. aging paper strengthening agent according to claim 1, it is characterised in that the substitution value of the carboxymethyl cellulose For：0.94DS, viscosity are：271mpa·s.
- 3. aging paper strengthening agent according to claim 1, it is characterised in that the aging paper is Modern Paper and old text Offer data paper.
- 4. aging paper strengthening agent according to claim 1, it is characterised in that the ethanol is absolute ethyl alcohol.
- 5. a kind of reinforcement means of aging paper, it is characterised in that comprise the following steps：A strengthening agent) is applied to aging paper surface, repeated 1~5 time；B) by the paper after processing under 20~30 DEG C, 40%~60% damp condition naturally dry；The strengthening agent includes：Carboxymethyl cellulose and solvent；The mass ratio of the carboxymethyl cellulose and solvent is 1：(50~400)；The solvent is mass ratio 1:1 ethanol, distill water mixed solvent.
- 6. reinforcement means according to claim 5, it is characterised in that the step A) be specially：Strengthening agent is dipped with brush, in aging paper surface brushing, repeats 1~5 time, repeats volatilize it in strengthening agent every time 10~15min is carried out afterwards.
- 7. reinforcement means according to claim 5, it is characterised in that the step A) smear temperature be 20~30 DEG C.
- 8. reinforcement means according to claim 5, it is characterised in that the aging paper is Modern Paper and old documents and materials Paper.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710566439.4A CN107385994A (en) | 2017-07-12 | 2017-07-12 | A kind of reinforcement means of aging paper strengthening agent and aging paper |
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| CN201710566439.4A CN107385994A (en) | 2017-07-12 | 2017-07-12 | A kind of reinforcement means of aging paper strengthening agent and aging paper |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108677600A (en) * | 2018-05-17 | 2018-10-19 | 广东工业大学 | A kind of paper protective agent and the preparation method and application thereof technique |
| WO2019105167A1 (en) * | 2017-11-28 | 2019-06-06 | 华南理工大学 | Novel ancient books strengthening and reinforcing method |
| CN112962348A (en) * | 2021-02-05 | 2021-06-15 | 青岛大学 | Method for repairing damaged and aged paper archive paper |
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| CN1417043A (en) * | 2002-11-22 | 2003-05-14 | 文玉柱 | Ancient and old calligraphy and painting re-mounting technology |
| CN104213463A (en) * | 2014-09-23 | 2014-12-17 | 济南科纳信息科技有限公司 | Paper manufactured with pulp by carboxymethylcellulose modified nanometer titania and preparation method thereof |
| CN106592325A (en) * | 2016-11-24 | 2017-04-26 | 陕西科技大学 | Multifunctional protective liquid for paper-based material printed matters and application |
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2017
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN1417043A (en) * | 2002-11-22 | 2003-05-14 | 文玉柱 | Ancient and old calligraphy and painting re-mounting technology |
| CN104213463A (en) * | 2014-09-23 | 2014-12-17 | 济南科纳信息科技有限公司 | Paper manufactured with pulp by carboxymethylcellulose modified nanometer titania and preparation method thereof |
| CN106592325A (en) * | 2016-11-24 | 2017-04-26 | 陕西科技大学 | Multifunctional protective liquid for paper-based material printed matters and application |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019105167A1 (en) * | 2017-11-28 | 2019-06-06 | 华南理工大学 | Novel ancient books strengthening and reinforcing method |
| US11486096B2 (en) | 2017-11-28 | 2022-11-01 | South China University Of Technology | Method for strengthening and reinforcing ancient books |
| CN108677600A (en) * | 2018-05-17 | 2018-10-19 | 广东工业大学 | A kind of paper protective agent and the preparation method and application thereof technique |
| CN112962348A (en) * | 2021-02-05 | 2021-06-15 | 青岛大学 | Method for repairing damaged and aged paper archive paper |
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Application publication date: 20171124 |