CN107503229A - A kind of composite consolidation agent and preparation method thereof and a kind of reinforcement means of aging paper - Google Patents
A kind of composite consolidation agent and preparation method thereof and a kind of reinforcement means of aging paper Download PDFInfo
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- CN107503229A CN107503229A CN201710833747.9A CN201710833747A CN107503229A CN 107503229 A CN107503229 A CN 107503229A CN 201710833747 A CN201710833747 A CN 201710833747A CN 107503229 A CN107503229 A CN 107503229A
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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
-
- 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
- D21H21/143—Agents preventing ageing of paper, e.g. radiation absorbing substances
-
- 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
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Abstract
The invention provides a kind of composite consolidation agent and preparation method thereof and a kind of reinforcement means of aging paper, the composite consolidation agent is prepared by the raw material including following components：The parts by weight of parts by weight of cationic starch 0.5~2.5；The parts by weight of parts by weight of cation guar gum 0.5~2.5；The parts by weight of parts by weight of solvent 50~2000；The parts by weight of parts by weight of cosolvent 8~12.Compared with prior art, reinforcement protection processing is carried out to paper using composite consolidation agent provided by the invention, not only the writing of paper had little to no effect, and its mechanical performance and ageing resistance can be strengthened.Test result indicates that the paper after being handled using composite consolidation agent provided by the invention, on the basis of colourity, pH value are substantially without influence, its mechanical performance increases by 45% or so；And after damp and hot accelerated ageing, consolidation effect can also keep 99.5% and more than, there is preferable ageing resistace.
Description
Technical field
The present invention relates to paper protection technique field, is to be related to a kind of composite consolidation agent and its preparation side more specifically
Method and a kind of reinforcement means of aging paper.
Background technology
Chinese culture is with a long history, and Chinese civilization long river starlight is bright.Papermaking technology as one of China's four inventions is walked
The history of more than one thousand years has been crossed, has been fully used and develops.Since ancient times, China Chongwen is taught again, the good pen and ink of scholar, is left not
Few fine piece of writing handed down from ancient times, each Chao Gedai in China focus on recording historical facts, write geographical thing will.Therefore, China also maintain substantial amounts of books,
The paper relics such as archives and painting and calligraphy.These papery datas are the sounders of the outstanding history of the Chinese nation, and being that the Chinese nation is arduous puts forth energy
The witness of bucket, and the associate of history wind and rain that China passes by.Over time walk with vigorous strides forward, these paper relics have arrived
" in old age ", face neck acidifying, yellow, the challenge of frangible and mouldy etc. various " slight illness ".
At present, paper protection technique mainly has two major classes, is depickling and reinforcing respectively.Paper deacidification common method has gas phase
Depickling method and liquid phase depickling method；Wherein, liquid phase depickling method can guarantee that when using other biological or chemical material to paper deacidification
Paper is reinforced on the premise of will not being impacted to the pattern of paper, thickness, color and luster, texture etc., can be significantly improved
The mechanical strength of paper relics, the degradation with aging of historical relic can also be slowed down, and with the antibacterial effect of insect prevention.And it is common plus
Solid method has support mounting method silk net reinforcing method, hot pressing coating method, vacuum coating method, macromolecule glue cladding process and у ray methods.It is right
Add in the aging paper that paper reinforcement technique, Xu Bing etc. then make use of quaternary ammonium cation starch relatively low to mechanical strength
Gu.
But paper protection technique also imperfection disclosed in prior art, investigation display, most of libraries of China and shelves
There is the phenomenon that serious acidifying declines with mechanical strength in the modern times documents and books that case shop also has more than 60%；It is also, a large amount of
Paper serious discoloration, ink marks is fuzzy to be difficult to recognize, mechanical strength is greatly lowered even one and touched and breaks.Therefore, paper is carried out
Reinforce and protection has become those skilled in the art's technical problem urgently to be resolved hurrily.
The content of the invention
In view of this, it is an object of the invention to provide a kind of composite consolidation agent and preparation method thereof and a kind of aging paper
Reinforcement means, using composite consolidation agent provided by the invention to paper carry out reinforcement protection processing, not only to the writing of paper
Have little to no effect, and its mechanical performance and ageing resistance can be strengthened.
The invention provides a kind of composite consolidation agent, it is prepared by the raw material including following components：
The parts by weight of parts by weight of cationic starch 0.5~2.5；
The parts by weight of parts by weight of cation guar gum 0.5~2.5；
The parts by weight of parts by weight of solvent 50~2000；
The parts by weight of parts by weight of cosolvent 8~12.
Preferably, the solvent is made up of absolute ethyl alcohol and water；The mass ratio of the absolute ethyl alcohol and water is 1：(0.8~
1.2)。
Preferably, the cosolvent is glycine betaine.
Preferably, the composite consolidation agent is prepared by the raw material including following components：
The parts by weight of parts by weight of cationic starch 0.5~2；
The parts by weight of parts by weight of cation guar gum 0.5~2；
The parts by weight of parts by weight of solvent 185~189；
The parts by weight of cosolvent 10.
Present invention also offers a kind of preparation method of the composite consolidation agent described in above-mentioned technical proposal, including following step
Suddenly：
A) cationic starch and the solvent of the first dosage are mixed, obtains cationic starch solution；
B) cation guar gum, the solvent of the second dosage and cosolvent are mixed, obtains cationic guar solution；
C) cationic guar solution is added in cationic starch solution and mixed, obtain composite consolidation agent.
Preferably, the mass ratio of cationic guar solution and cationic starch solution described in step c) is 1：(0.8~
1.2)。
Present invention also offers a kind of reinforcement means of aging paper, comprise the following steps：
Treated using strengthening agent and dried after handling of paper is reinforced, the paper after being handled；
The strengthening agent is the composite consolidation agent described in above-mentioned technical proposal or the preparation method described in above-mentioned technical proposal
The composite consolidation agent being prepared.
Preferably, the process of the reinforcing is specially：
Smear pending paper repeatedly using strengthening agent, be applied to progress after strengthening agent volatilization every time.
Preferably, the number smeared repeatedly be 3 times~5 times, temperature be 20 DEG C~30 DEG C, total time be 10min~
15min。
Preferably, the mode of the drying is naturally dry；The temperature of the drying is 20 DEG C~30 DEG C, humidity 40%
~60%.
It is described multiple the invention provides a kind of composite consolidation agent and preparation method thereof and a kind of reinforcement means of aging paper
Strengthening agent is closed to be prepared by the raw material including following components：The parts by weight of parts by weight of cationic starch 0.5~2.5；Cation melon
The parts by weight of your glue 0.5 parts by weight~2.5；The parts by weight of parts by weight of solvent 50~2000；The parts by weight of parts by weight of cosolvent 8~12.With
Prior art is compared, and reinforcement protection processing is carried out to paper using composite consolidation agent provided by the invention, not only to the word of paper
Mark has little to no effect, and can strengthen its mechanical performance and ageing resistance.Test result indicates that use is provided by the invention
Paper after composite consolidation agent processing is on the basis of colourity, pH value are substantially without influence, its mechanical performance increase by 45% or so；And
And after damp and hot accelerated ageing, consolidation effect can also keep 99.5% and more than, there is preferable ageing resistace.
In addition, the preparation method of composite consolidation agent provided by the invention is simple, raw material is sufficient, nontoxic, economical and practical,
It is green；Reinforcement means is simple, efficiently, easily implements, and replicability is strong.
Brief description of the drawings
Fig. 1 is the scanning electron microscope (SEM) photograph of pending paper fibre overall picture in the embodiment of the present invention 7；
Fig. 2 is the scanning electron microscope (SEM) photograph of pending paper fibre section in the embodiment of the present invention 7；
Fig. 3 is the scanning electron microscope (SEM) photograph of the unguyed paper fibre overall picture after burin-in process in the embodiment of the present invention 7；
Fig. 4 is the scanning electron microscope (SEM) photograph of the unguyed paper fibre section after burin-in process in the embodiment of the present invention 7；
Fig. 5 is the scanning electron microscope (SEM) photograph of the reinforcing paper fibre overall picture after burin-in process in the embodiment of the present invention 7；
Fig. 6 is the scanning electron microscope (SEM) photograph of the reinforcing paper fibre section after burin-in process in the embodiment of the present invention 7.
Embodiment
Below in conjunction with the embodiment of the present invention, technical scheme is clearly and completely described, it is clear that institute
The embodiment of description is only part of the embodiment of the present invention, rather than whole embodiments.Based on the embodiment in the present invention,
The every other embodiment that those of ordinary skill in the art are obtained under the premise of creative work is not made, belongs to this hair
The scope of bright protection.
The invention provides a kind of composite consolidation agent, it is prepared by the raw material including following components：
The parts by weight of parts by weight of cationic starch 0.5~2.5；
The parts by weight of parts by weight of cation guar gum 0.5~2.5；
The parts by weight of parts by weight of solvent 50~2000；
The parts by weight of parts by weight of cosolvent 8~12.
In the present invention, the cationic starch has cationic characteristic, is that the most frequently used papermaking of current paper industry increases
One of strong agent；It has good repair to paper fibre, and will not have too big influence to colourity, the pH value of paper.
The present invention is not particularly limited to the source of the cationic starch, is using commercial goods well known to those skilled in the art
Can.In the present invention, the composite consolidation agent includes the cationic starch of the parts by weight of 0.5 parts by weight~2.5, preferably 0.5 weight
Measure the parts by weight of part~2, the parts by weight of more preferably 1 parts by weight~2.
In the present invention, the cation guar gum has tint retention, and its structure is similar to cellulose, has very to fiber
Strong affinity, it can be combined with fiber molecule；The present invention is compound using cation guar gum and cationic starch, has to paper
There is preferable consolidation effect, the mechanical performance and ageing resistance of paper can be strengthened.The present invention is to the cation guar gum
Source is not particularly limited, using commercial goods well known to those skilled in the art.In the present invention, the composite consolidation
Agent includes the cation guar gum of the parts by weight of 0.5 parts by weight~2.5, the parts by weight of preferably 0.5 parts by weight~2, more preferably 1 weight
Measure the parts by weight of part~2.
In the present invention, the solvent is preferably made up of absolute ethyl alcohol and water；The present invention is had using the solvent of above-mentioned composition
Help infiltration of effective reinforcing composition between paper fibre in composite consolidation agent.In the present invention, the absolute ethyl alcohol and
The mass ratio of water is preferably 1：(0.8~1.2), more preferably 1：1.In the present invention, the water preferably uses art technology
Distilled water known to personnel, it is not specifically limited to this by the present invention.In the present invention, the composite consolidation agent includes 50 parts by weight
The parts by weight of the solvent of~2000 parts by weight, preferably 185 parts by weight~189.
In the present invention, the cosolvent is preferably glycine betaine；The present invention uses particular kind of cosolvent, is advantageous to multiple
Close strengthening agent in effective reinforcing composition dissolve in a solvent with it is compound.The present invention does not have special limit to the source of the cosolvent
System, using the commercial goods of above-mentioned glycine betaine well known to those skilled in the art.In the present invention, the composite consolidation agent
Including 8 parts by weight~12 parts by weight cosolvent, preferably 10 parts by weight.
In the present invention, the composite consolidation agent is preferably prepared by the raw material including following components：
The parts by weight of parts by weight of cationic starch 0.5~2；
The parts by weight of parts by weight of cation guar gum 0.5~2；
The parts by weight of parts by weight of solvent 185~189；
The parts by weight of cosolvent 10.
Present invention also offers a kind of preparation method of the composite consolidation agent described in above-mentioned technical proposal, including following step
Suddenly：
A) cationic starch and the solvent of the first dosage are mixed, obtains cationic starch solution；
B) cation guar gum, the solvent of the second dosage and cosolvent are mixed, obtains cationic guar solution；
C) cationic guar solution is added in cationic starch solution and mixed, obtain composite consolidation agent.
The present invention first mixes cationic starch and the solvent of the first dosage, obtains cationic starch solution.In this hair
In bright, the cationic starch is identical with described in above-mentioned technical proposal, will not be repeated here.In the present invention, described
The solvent of one dosage is a part for solvent described in above-mentioned technical proposal.In the present invention, the cationic starch and first
The mass ratio of the solvent of dosage is (0.5~2.5)：(25~1000), it is preferably (0.5~2.5)：(97.5~99.5), it is more excellent
Elect as (0.5~2)：(98~99.5).
The present invention is not particularly limited to the mode of the mixing, is stirred using well known to those skilled in the art
Technical scheme, it can realize and well mixed obtain cationic starch solution.After obtaining the cationic starch solution, this hair
Bright preferably obtained cationic starch solution is placed in sealing container prevents from being exposed in air and volatilizing.
Afterwards, the present invention mixes cation guar gum, the solvent of the second dosage and cosolvent, obtains cation guar gum
Solution.In the present invention, the cation guar gum, cosolvent are identical with described in above-mentioned technical proposal, herein no longer
Repeat.In the present invention, the solvent of second dosage is the solvent that solvent removes the first dosage described in above-mentioned technical proposal
Remainder afterwards.In the present invention, the mass ratio of the cation guar gum, the solvent of the second dosage and cosolvent is (0.5
~2.5)：(25~1000)：(8~12), it is preferably (0.5~2.5)：(87.5~89.5)：10, more preferably (0.5~2)：
(88~89.5)：10.
The present invention is not particularly limited to the mode of the mixing, is stirred using well known to those skilled in the art
Technical scheme, it can realize and well mixed obtain cationic guar solution.
After obtaining the cationic guar solution, it is molten that cationic guar solution is added to cationic starch by the present invention
Mixed in liquid, obtain composite consolidation agent.In the present invention, the quality of the cationic guar solution and cationic starch solution
Than being preferably 1：(0.8~1.2), more preferably 1：1.
The present invention is not particularly limited to the mode of the mixing, is stirred using well known to those skilled in the art
Technical scheme, it can realize and well mixed obtain composite consolidation agent.
Present invention also offers a kind of reinforcement means of aging paper, comprise the following steps：
Treated using strengthening agent and dried after handling of paper is reinforced, the paper after being handled；
The strengthening agent is the composite consolidation agent described in above-mentioned technical proposal or the preparation method described in above-mentioned technical proposal
The composite consolidation agent being prepared.
In the present invention, the pending paper is preferably selected from old newspaper or old documents and materials paper；The present invention treats to described
The source of handling of paper is not particularly limited.In the present invention, pending paper constant temperature preferably under 25 DEG C, 50% humidity
Constant humidity handles 24h, so that the damage of pending paper in reinforcing process is reduced or avoided, reinforcing process is smoothed out.
In the present invention, the process of the reinforcing is preferably specially：
Smear pending paper repeatedly using strengthening agent, be applied to progress after strengthening agent volatilization every time.In the present invention,
The strengthening agent is that the composite consolidation agent described in above-mentioned technical proposal or the preparation method described in above-mentioned technical proposal are prepared
Composite consolidation agent, the present invention this is repeated no more.The present invention is not particularly limited to the mode smeared repeatedly, using this
Directly smeared known to art personnel with brush or spread pen.
In the present invention, the number smeared repeatedly is preferably 3 times~5 times, more preferably 4 times；It is described to smear repeatedly
Temperature be preferably 20 DEG C~30 DEG C, more preferably 25 DEG C；The total time smeared repeatedly is preferably 10min~15min, more
Preferably 12min~13min.
In the present invention, the mode of the drying is preferably naturally dry.In the present invention, the temperature of the drying is preferred
For 20 DEG C~30 DEG C, more preferably 25 DEG C；The humidity of the drying is preferably 40%~60%, and more preferably 50%.
It is described multiple the invention provides a kind of composite consolidation agent and preparation method thereof and a kind of reinforcement means of aging paper
Strengthening agent is closed to be prepared by the raw material including following components：The parts by weight of parts by weight of cationic starch 0.5~2.5；Cation melon
The parts by weight of your glue 0.5 parts by weight~2.5；The parts by weight of parts by weight of solvent 50~2000；The parts by weight of parts by weight of cosolvent 8~12.With
Prior art is compared, and reinforcement protection processing is carried out to paper using composite consolidation agent provided by the invention, not only to the word of paper
Mark has little to no effect, and can strengthen its mechanical performance and ageing resistance.Test result indicates that use is provided by the invention
Paper after composite consolidation agent processing is on the basis of colourity, pH value are substantially without influence, its mechanical performance increase by 45% or so；And
And after damp and hot accelerated ageing, consolidation effect can also keep 99.5% and more than, there is preferable ageing resistace.
In addition, the preparation method of composite consolidation agent provided by the invention is simple, raw material is sufficient, nontoxic, economical and practical,
It is green；Reinforcement means is simple, efficiently, easily implements, and replicability is strong.
In order to further illustrate the present invention, it is described in detail below by following examples.Treated used in following examples
Handling of paper is derived from same batch old newspaper (eighties), is placed in 25 DEG C, constant temperature and humidity processing 24h under 50% humidity.
Embodiment 1
(1) 49.75g absolute ethyl alcohols accurately are measured and 49.75g distilled water insert beaker, add 0.5g cationic starches,
It is thoroughly mixed, obtains cationic starch solution, is placed in preventing from being exposed in air and volatilizing in sealing container；Then,
Accurately measuring 44.75g absolute ethyl alcohols, 44.75g distilled water and 10g glycine betaines inserts beaker, adds 0.5g cation Guars
Glue, it is thoroughly mixed, obtains cationic guar solution；Above-mentioned cationic guar solution is poured into what is previously prepared again
In cationic starch solution, it is thoroughly mixed, obtains composite consolidation agent.
(2) the composite consolidation agent that step (1) obtains is placed in sealing container, directly smears pending paper with brush,
Smear and (be applied to every time after composite consolidation agent volatilization, it is 4 times to smear number) 13min repeatedly at 25 DEG C, then painting is wiped
The paper of composite consolidation agent naturally dry, paper after being handled under 25 DEG C, 50% humidity.
The properties of paper in the embodiment of the present invention 1 before and after the processing are tested, as a result ginseng is shown in Table 1.
The properties data of paper in the embodiment of the present invention 1 of table 1 before and after the processing
Wherein, the whiteness of paper before and after the processing is surveyed respectively using color difference meter (Color Reader CR-10)
Examination.The determination experiment of whiteness is specially：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 to black (100- is white, and 0- is black)；A values are red green axle colourity
Index, 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
It is bigger, represent that yellow degree is bigger, and it is bigger that-b represents blue degree；The calculation formula of aberration is as follows：
△ E=[(△ L)2+(△a)2+(△b)2]0.5。
Embodiment 2
(1) 49.625g absolute ethyl alcohols accurately are measured and 49.625g distilled water inserts beaker, add 0.75g cations shallow lake
Powder, it is thoroughly mixed, obtains cationic starch solution, is placed in preventing from being exposed in air and volatilizing in sealing container；So
Afterwards, 44.625g absolute ethyl alcohols, 44.625g distilled water and 10g glycine betaines are accurately measured and inserts beaker, adds 0.75g cations
Guar gum, it is thoroughly mixed, obtains cationic guar solution；Above-mentioned cationic guar solution is poured into previous preparation again
In good cationic starch solution, it is thoroughly mixed, obtains composite consolidation agent.
(2) the composite consolidation agent that step (1) obtains is placed in sealing container, directly smears pending paper with brush,
Smear and (be applied to every time after composite consolidation agent volatilization, it is 4 times to smear number) 12min repeatedly at 25 DEG C, then painting is wiped
The paper of composite consolidation agent naturally dry, paper after being handled under 25 DEG C, 50% humidity.
The properties of paper in the embodiment of the present invention 2 before and after the processing are tested, as a result ginseng is shown in Table 2.
The properties data of paper in the embodiment of the present invention 2 of table 2 before and after the processing
Embodiment 3
(1) 49.5g absolute ethyl alcohols accurately are measured and 49.5g distilled water inserts beaker, add 1g cationic starches, fully
It is stirred, obtains cationic starch solution, is placed in preventing from being exposed in air and volatilizing in sealing container；Then, accurately
Measure 44.5g absolute ethyl alcohols, 44.5g distilled water and 10g glycine betaines and insert beaker, add 1g cation guar gums, fully stir
Mixing is mixed, obtains cationic guar solution；Above-mentioned cationic guar solution is poured into the cation previously prepared again to form sediment
In powder solution, it is thoroughly mixed, obtains composite consolidation agent.
(2) the composite consolidation agent that step (1) obtains is placed in sealing container, directly smears pending paper with brush,
Smear and (be applied to every time after composite consolidation agent volatilization, it is 5 times to smear number) 15min repeatedly at 20 DEG C, then painting is wiped
The paper of composite consolidation agent naturally dry, paper after being handled under 25 DEG C, 50% humidity.
The properties of paper in the embodiment of the present invention 3 before and after the processing are tested, as a result ginseng is shown in Table 3.
The properties data of paper in the embodiment of the present invention 3 of table 3 before and after the processing
Embodiment 4
(1) 49.375g absolute ethyl alcohols accurately are measured and 49.375g distilled water inserts beaker, add 1.25g cations shallow lake
Powder, it is thoroughly mixed, obtains cationic starch solution, is placed in preventing from being exposed in air and volatilizing in sealing container；So
Afterwards, 44.375g absolute ethyl alcohols, 44.375g distilled water and 10g glycine betaines are accurately measured and inserts beaker, adds 1.25g cations
Guar gum, it is thoroughly mixed, obtains cationic guar solution；Above-mentioned cationic guar solution is poured into previous preparation again
In good cationic starch solution, it is thoroughly mixed, obtains composite consolidation agent.
(2) the composite consolidation agent that step (1) obtains is placed in sealing container, directly smears pending paper with brush,
Smear and (be applied to every time after composite consolidation agent volatilization, it is 3 times to smear number) 10min repeatedly at 30 DEG C, then painting is wiped
The paper of composite consolidation agent naturally dry, paper after being handled under 25 DEG C, 50% humidity.
The properties of paper in the embodiment of the present invention 4 before and after the processing are tested, as a result ginseng is shown in Table 4.
The properties data of paper in the embodiment of the present invention 4 of table 4 before and after the processing
Embodiment 5
(1) 49.25g absolute ethyl alcohols accurately are measured and 49.25g distilled water insert beaker, add 1.5g cationic starches,
It is thoroughly mixed, obtains cationic starch solution, is placed in preventing from being exposed in air and volatilizing in sealing container；Then,
Accurately measuring 44.25 absolute ethyl alcohols, 44.25g distilled water and 10g glycine betaines inserts beaker, adds 1.5g cation guar gums,
It is thoroughly mixed, obtains cationic guar solution；Above-mentioned cationic guar solution is poured into the sun previously prepared again
In ionic starch solution, it is thoroughly mixed, obtains composite consolidation agent.
(2) the composite consolidation agent that step (1) obtains is placed in sealing container, directly smears pending paper with brush,
Smear and (be applied to every time after composite consolidation agent volatilization, it is 4 times to smear number) 13min repeatedly at 25 DEG C, then painting is wiped
The paper of composite consolidation agent naturally dry, paper after being handled under 25 DEG C, 50% humidity.
The properties of paper in the embodiment of the present invention 5 before and after the processing are tested, as a result ginseng is shown in Table 5.
The properties data of paper in the embodiment of the present invention 5 of table 5 before and after the processing
Embodiment 6
(1) 49.125g absolute ethyl alcohols accurately are measured and 49.125g distilled water inserts beaker, add 1.75g cations shallow lake
Powder, it is thoroughly mixed, obtains cationic starch solution, is placed in preventing from being exposed in air and volatilizing in sealing container；So
Afterwards, 44.125 absolute ethyl alcohols, 44.125g distilled water and 10g glycine betaines are accurately measured and inserts beaker, adds 1.75g cations
Guar gum, it is thoroughly mixed, obtains cationic guar solution；Above-mentioned cationic guar solution is poured into previous preparation again
In good cationic starch solution, it is thoroughly mixed, obtains composite consolidation agent.
(2) the composite consolidation agent that step (1) obtains is placed in sealing container, directly smears pending paper with brush,
Smear and (be applied to every time after composite consolidation agent volatilization, it is 4 times to smear number) 12min repeatedly at 25 DEG C, then painting is wiped
The paper of composite consolidation agent naturally dry, paper after being handled under 25 DEG C, 50% humidity.
The properties of paper in the embodiment of the present invention 6 before and after the processing are tested, as a result ginseng is shown in Table 6.
The properties data of paper in the embodiment of the present invention 6 of table 6 before and after the processing
Embodiment 7
(1) 49g absolute ethyl alcohols accurately are measured and 49g distilled water inserts beaker, added 2g cationic starches, be sufficiently stirred
Mixing, obtains cationic starch solution, is placed in preventing from being exposed in air and volatilizing in sealing container；Then, accurately measure
44 absolute ethyl alcohols, 44g distilled water and 10g glycine betaines insert beaker, add 2g cation guar gums, are thoroughly mixed, obtain
To cationic guar solution；Above-mentioned cationic guar solution is poured into again in the cationic starch solution previously prepared,
It is thoroughly mixed, obtains composite consolidation agent.
(2) the composite consolidation agent that step (1) obtains is placed in sealing container, directly smears pending paper with brush,
Smear and (be applied to every time after composite consolidation agent volatilization, it is 4 times to smear number) 13min repeatedly at 25 DEG C, then painting is wiped
The paper of composite consolidation agent naturally dry, paper after being handled under 25 DEG C, 50% humidity.
The properties of paper in the embodiment of the present invention 7 before and after the processing are tested, as a result ginseng is shown in Table 7.
The properties data of paper in the embodiment of the present invention 7 of table 7 before and after the processing
Paper after the processing that section Example 7 is obtained is put into progress accelerated ageing 72h in 105 DEG C of constant temperature ovens, obtains
Reinforcing paper after to burin-in process；Meanwhile identical burin-in process is carried out to the pending paper in embodiment 7, obtain old
Unguyed paper after change processing, as a comparison.
Treat the unguyed paper after handling of paper, burin-in process and the reinforcing after burin-in process respectively using ESEM
The internal structure of paper is detected.Wherein, the scanning electron microscope (SEM) photograph of pending paper internal structure is as shown in Fig. 1~2, at aging
The scanning electron microscope (SEM) photograph of unguyed paper internal structure after reason as shown in figs. 34, the reinforcing paper internal structure after burin-in process
Scanning electron microscope (SEM) photograph as shown in Fig. 5~6.
From Fig. 1~6, become clean after paper is reinforced between paper fibre, the paper section after reinforcing is neat, without thin
Broken filament, it is seen that the tensile strength increase of paper after reinforcing；Paper fibre after reinforcing becomes under artificial heat ageing environment
Shape degree reduces, and paper section is still neat, the ageing resistance enhancing of paper.
Embodiment 8
The composite consolidation agent that embodiment 3 obtains is placed in sealing container, directly pending paper is smeared with brush, 20
15min is smeared and (be applied to every time after composite consolidation agent volatilization, it is 5 times to smear number) at DEG C repeatedly, then painting is wiped compound
The paper of strengthening agent naturally dry, paper after being handled under 25 DEG C, 50% humidity.
Paper after the processing that section Example 8 is obtained again is put into progress accelerated ageing 72h in 105 DEG C of constant temperature ovens,
Obtain the reinforcing paper after burin-in process；
The properties of paper before and after burin-in process in the embodiment of the present invention 8 are tested, as a result referring to the institute of table 8
Show.
The properties data of paper in the embodiment of the present invention 8 of table 8 before and after burin-in process
Embodiment 9
The composite consolidation agent that embodiment 4 obtains is placed in sealing container, directly pending paper is smeared with brush, 30
10min is smeared and (be applied to every time after composite consolidation agent volatilization, it is 3 times to smear number) at DEG C repeatedly, then painting is wiped compound
The paper of strengthening agent naturally dry, paper after being handled under 25 DEG C, 50% humidity.
Paper after the processing that section Example 9 is obtained again is put into progress accelerated ageing 72h in 105 DEG C of constant temperature ovens,
Obtain the reinforcing paper after burin-in process；
The properties of paper before and after burin-in process in the embodiment of the present invention 9 are tested, as a result referring to the institute of table 9
Show.
The properties data of paper in the embodiment of the present invention 9 of table 9 before and after burin-in process
Embodiment 10
The composite consolidation agent that embodiment 6 obtains is placed in sealing container, directly pending paper is smeared with brush, 25
12min is smeared and (be applied to every time after composite consolidation agent volatilization, it is 4 times to smear number) at DEG C repeatedly, then painting is wiped compound
The paper of strengthening agent naturally dry, paper after being handled under 25 DEG C, 50% humidity.
Paper after the processing that section Example 10 is obtained again is put into progress accelerated ageing 72h in 105 DEG C of constant temperature ovens,
Obtain the reinforcing paper after burin-in process；
The properties of paper before and after burin-in process in the embodiment of the present invention 10 are tested, as a result referring to the institute of table 10
Show.
The properties data of paper in the embodiment of the present invention 10 of table 10 before and after burin-in process
Embodiment 11
The composite consolidation agent that embodiment 7 obtains is placed in sealing container, directly pending paper is smeared with brush, 25
13min is smeared and (be applied to every time after composite consolidation agent volatilization, it is 4 times to smear number) at DEG C repeatedly, then painting is wiped compound
The paper of strengthening agent naturally dry, paper after being handled under 25 DEG C, 50% humidity.
Paper after the processing that section Example 11 is obtained again is put into progress accelerated ageing 72h in 105 DEG C of constant temperature ovens,
Obtain the reinforcing paper after burin-in process；
The properties of paper before and after burin-in process in the embodiment of the present invention 11 are tested, as a result referring to the institute of table 11
Show.
The properties data of paper in the embodiment of the present invention 11 of table 11 before and after burin-in process
As seen from the above embodiment, reinforcement protection processing is carried out to paper using composite consolidation agent provided by the invention, no
Only the writing of paper is had little to no effect, and its mechanical performance can be made to increase by 45% or so, after damp and hot accelerated ageing, is added
Gu effect can also keep 99.5% and more than.In addition, the preparation method of composite consolidation agent provided by the invention is simple, raw material fills
Foot, it is nontoxic, it is economical and practical, it is green；Reinforcement means is simply easily implemented, and replicability is strong.
The described above of the disclosed embodiments, professional and technical personnel in the field are enable to realize or using the present invention.It is right
A variety of modifications of these embodiments will be apparent for those skilled in the art, and as defined herein one
As principle can realize in other embodiments without departing from the spirit or scope of the present invention.Therefore, the present invention will
It will not be intended to be limited to the embodiments shown herein, and be to fit to consistent with principles disclosed herein and features of novelty
Most wide scope.
Claims (10)
1. a kind of composite consolidation agent, is prepared by the raw material including following components：
The parts by weight of parts by weight of cationic starch 0.5~2.5；
The parts by weight of parts by weight of cation guar gum 0.5~2.5；
The parts by weight of parts by weight of solvent 50~2000；
The parts by weight of parts by weight of cosolvent 8~12.
2. composite consolidation agent according to claim 1, it is characterised in that the solvent is made up of absolute ethyl alcohol and water；Institute
The mass ratio for stating absolute ethyl alcohol and water is 1：(0.8~1.2).
3. composite consolidation agent according to claim 1, it is characterised in that the cosolvent is glycine betaine.
4. composite consolidation agent according to claim 1, it is characterised in that the composite consolidation agent is by including following components
Raw material is prepared：
The parts by weight of parts by weight of cationic starch 0.5~2；
The parts by weight of parts by weight of cation guar gum 0.5~2；
The parts by weight of parts by weight of solvent 185~189；
The parts by weight of cosolvent 10.
5. a kind of preparation method of the composite consolidation agent described in any one of Claims 1 to 4, comprises the following steps：
A) cationic starch and the solvent of the first dosage are mixed, obtains cationic starch solution；
B) cation guar gum, the solvent of the second dosage and cosolvent are mixed, obtains cationic guar solution；
C) cationic guar solution is added in cationic starch solution and mixed, obtain composite consolidation agent.
6. preparation method according to claim 5, it is characterised in that cationic guar solution described in step c) and sun
The mass ratio of ionic starch solution is 1：(0.8~1.2).
7. a kind of reinforcement means of aging paper, comprises the following steps：
Treated using strengthening agent and dried after handling of paper is reinforced, the paper after being handled；
The strengthening agent is described in composite consolidation agent or any one of claim 5~6 described in any one of Claims 1 to 4
The composite consolidation agent that preparation method is prepared.
8. reinforcement means according to claim 7, it is characterised in that the process of the reinforcing is specially：
Smear pending paper repeatedly using strengthening agent, be applied to progress after strengthening agent volatilization every time.
9. reinforcement means according to claim 8, it is characterised in that the number smeared repeatedly is 3 times~5 times, temperature
Spend for 20 DEG C~30 DEG C, total time is 10min~15min.
10. reinforcement means according to claim 7, it is characterised in that the mode of the drying is naturally dry；It is described dry
Dry temperature is 20 DEG C~30 DEG C, and humidity is 40%~60%.
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| 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 |
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| CN102504650A (en) * | 2011-10-26 | 2012-06-20 | 甘肃省博物馆 | Preparation method and application of composite material for protecting paper files |
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