CN104947506A - Visualization agent and visualization method of file carbon paper original handwriting - Google Patents
Visualization agent and visualization method of file carbon paper original handwriting Download PDFInfo
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- CN104947506A CN104947506A CN201510341188.0A CN201510341188A CN104947506A CN 104947506 A CN104947506 A CN 104947506A CN 201510341188 A CN201510341188 A CN 201510341188A CN 104947506 A CN104947506 A CN 104947506A
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Abstract
The invention discloses a visualization agent and a visualization method of file carbon paper original handwriting. The visualization agent comprises an A component and a B component, wherein the A component is mixed by oxalic acid, formic acid, normal propyl alcohol and distilled water at a mass ratio of 1:(15-30):(15-30):(60-100); the B component is mixed by a solution and the distilled water at a volume ratio of 1:(0.5-1); and the solution is prepared by methanol and barium hydroxide at a mass ratio of (40-60):3 under 115-125 DEG C stirring backflow for 3-4h. When the carbon paper original handwriting is visualized by the visualization agent, the A component in the visualization agent extracts a colorant on the back surface of a carbon paper original, and then the B component in the visualization agent performs deacidification on the original, so that the original is alkaline and acid invasion is avoided. With the adoption of the visualization agent and the visualization method, diffusion of a coating on the back surface of the carbon paper original can be well avoided; faded handwriting in the original can be clearly visualized; the original is not damaged after visualization; and a retention rate of mechanical strength of the original is high.
Description
Technical field
The invention belongs to archives writing reinforcement technique field, be specifically related to a kind of visualization reagent displayed by faded carbon paper original paper writing, and use this visualization reagent to manifest the method for carbon paper original paper writing.
Background technology
Carbon paper be the copying paper paint made after adding required colouring agent after multiple wax heating and melting is applied to equably certain oil absorption body paper on dry and form, wherein colouring agent is generally organic dyestuff.Carbon paper is usually commonly used by people for manifolding receipt, receipt, invoice, record account etc., and hand-written is wherein called carbon paper original paper, is called carbon paper manifolding part under carbon paper.Use the seventies and eighties in 20th century ball pen add some bill of carbon paper manifolding, the original text writing of file fade after long-time aging, irreversiblely changed into fuzzy archives, the archives even had are because cannot read and cause the loss that cannot retrieve.
Summary of the invention
Under technical problem to be solved by this invention is to provide a kind of condition not destroying paper mechanical strength, faded fugitive color writing is added the visualization reagent that archives original paper writing that carbon paper writes displays, and use this visualization reagent to manifest the method for original paper writing.
Solving the problems of the technologies described above adopted technical scheme is: this visualization reagent is made up of component A and B component, wherein component A is mixed for 1:15 ~ 30:15 ~ 30:60 ~ 100 in mass ratio by oxalic acid, formic acid, normal propyl alcohol, distilled water, and B component is mixed for 1:0.5 ~ 1 by volume by methyl alcohol and the barium hydroxide solution that to be 40 ~ 60:3 in mass ratio make 120 ± 5 DEG C of stirring and refluxing for 3 ~ 4 hours and distilled water.
Above-mentioned component A is preferably mixed for 1:20:20:80 in mass ratio by oxalic acid, formic acid, normal propyl alcohol, distilled water, and the solution that B component is preferably made up 120 ± 5 DEG C of stirring and refluxing for 50:3 in mass ratio of methyl alcohol and barium hydroxide for 3 ~ 4 hours and distilled water are by volume for 1:1 mixes.
The method adopting visualization reagent of the present invention to manifest carbon paper original paper writing is: clamp absorbent cotton with tweezers and dip component A in visualization reagent, be spread evenly across on mature rice paper, then mature rice paper is overlayed on the carbon paper original paper paper of writing to be manifested, a layer paperboard is padded again on mature rice paper, evenly repeatedly press with palm, until writing is clear manifest after, clamp absorbent cotton with tweezers and dip B component in visualization reagent, be spread evenly across on the carbon paper original paper paper of writing to be manifested, natural air drying.
Colouring agent in the copying paper paint at the carbon paper original paper back side first extracts by the component A in visualization reagent by the present invention, thus faded writing in original paper is displayed, coordinate process for show can prevent the coating at the carbon paper original paper back side from spreading well, make the writing that manifests clear and legible; Carry out depickling by the B component in visualization reagent to paper again after writing manifests, make paper be alkalescence, then these type of archives can prevent sour infringement in preservation afterwards.Verified by manual simulation's accelerated aging tests, using visualization reagent of the present invention and process for show to manifest does not have destruction afterwards to paper, and every mechanical strength conservation rate of paper is high.
Accompanying drawing explanation
Fig. 1 is the front comparison diagram of (left side) before being directly coated with visualization reagent, rear (right side) analog sample.
Fig. 2 is the back side comparison diagram of (left side) before being directly coated with visualization reagent, rear (right side) analog sample.
Fig. 3 is the front comparison diagram of (left side) before adopting the visualization reagent of embodiment 1 and process for show to manifest, rear (right side) analog sample.
Fig. 4 is the back side comparison diagram of (left side) before adopting the visualization reagent of embodiment 1 and process for show to manifest, rear (right side) analog sample.
Fig. 5 is the front comparison diagram of (left side) before adopting ethanol and process for show of the present invention to manifest, rear (right side) analog sample.
Fig. 6 is the back side comparison diagram of (left side) before adopting ethanol and process for show of the present invention to manifest, rear (right side) analog sample.
Fig. 7 is the front comparison diagram of (left side) before adopting normal propyl alcohol and process for show of the present invention to manifest, rear (right side) analog sample.
Fig. 8 is the back side comparison diagram of (left side) before adopting normal propyl alcohol and process for show of the present invention to manifest, rear (right side) analog sample.
Fig. 9 be (left side) before adopting embodiment 1 visualization reagent and process for show to manifest, aging after (centre), manifest (right side) careless recto comparison diagram afterwards.
Figure 10 be (left side) before adopting embodiment 1 visualization reagent and process for show to manifest, aging after (centre), manifest the back side comparison diagram of (right side) toilet paper afterwards.
Figure 11 is the front comparison diagram of (left side), the afterwards mail of construction of fire and electricity company of (right side) Yunnan Province before adopting the visualization reagent of embodiment 1 and process for show to manifest.
Detailed description of the invention
Below in conjunction with drawings and Examples, the present invention is described in more detail, but protection scope of the present invention is not limited only to these embodiments.
Embodiment 1
2g oxalic acid, 40g formic acid, 40g normal propyl alcohol, 160g distilled water are mixed, is mixed with the component A of visualization reagent; 500g methyl alcohol, 30g barium hydroxide are placed in flask with three necks,round bottom, reflux 3 hours at 120 ± 5 DEG C of temperature, barium hydroxide is fully disperseed in methyl alcohol, naturally cools to normal temperature, obtain the B component of visualization reagent.
The method adopting visualization reagent to manifest carbon paper original paper writing is: clamp absorbent cotton with tweezers and dip component A in visualization reagent, be spread evenly across on mature rice paper, then mature rice paper is overlayed on the carbon paper original paper paper of writing to be manifested, a layer paperboard is padded again on mature rice paper, evenly repeatedly press with palm, until writing is clear manifest after, clamp absorbent cotton with tweezers and dip B component in visualization reagent, be spread evenly across on the carbon paper original paper paper of writing to be manifested, natural air drying.
Embodiment 2
2g oxalic acid, 30g formic acid, 30g normal propyl alcohol, 120g distilled water are mixed, is mixed with the component A of visualization reagent; 600g methyl alcohol, 30g barium hydroxide are placed in flask with three necks,round bottom, reflux 3 hours at 120 ± 5 DEG C of temperature, barium hydroxide is fully disperseed in methyl alcohol, naturally cools to normal temperature, obtain the B component of visualization reagent.This visualization reagent is adopted to manifest the method for carbon paper original paper writing identical with embodiment 1.
Embodiment 3
2g oxalic acid, 60g formic acid, 60g normal propyl alcohol, 200g distilled water are mixed, is mixed with the component A of visualization reagent; 400g methyl alcohol, 30g barium hydroxide are placed in flask with three necks,round bottom, reflux 3 hours at 120 ± 5 DEG C of temperature, barium hydroxide is fully disperseed in methyl alcohol, naturally cools to normal temperature, obtain the B component of visualization reagent.This visualization reagent is adopted to manifest the method for carbon paper original paper writing identical with embodiment 1.
In order to prove to determine technical scheme of the present invention, inventors performed a large amount of laboratory research tests, concrete test situation is as follows:
1, preparation simulation sample
Pad on toilet paper manuscript paper, below a pad carbon paper, with blue ball pen handwriting on manuscript paper, then using the analog sample of toilet paper as carbon paper original paper.
2, the impact of process for show
Adopt the visualization reagent of embodiment 1, directly the A in visualization reagent, B component are applied on analog sample successively, the results are shown in Figure 1 ~ 2.The visualization reagent of employing embodiment 1 manifests the writing on analog sample according to the method for embodiment 1, the results are shown in Figure 3 ~ 4.As seen from the figure, directly visualization reagent being applied on analog sample then writing can spread, smudgy, very unsightly.And adopt process for show of the present invention can clear the displaying by the writing on analog sample, and the attractive in appearance and indiffusion of writing.
3, the impact of visualization reagent
Adopt the visualization reagent of embodiment 1 to manifest writing on analog sample according to the method for embodiment 1, do contrast test with ethanol, n-butanol for visualization reagent simultaneously.Experimental result is shown in Fig. 3 ~ 8.As seen from the figure, with ethanol, n-butanol for visualization reagent, writing can spread, smudgy, very unsightly, and clear for writing can display by visualization reagent of the present invention under cooperation process for show of the present invention, and writing indiffusion.
In order to determine the feasibility of visualization reagent of the present invention and process for show, inventor chooses the uniform common toilet paper of thickness, cushion carbon paper with ball pen to write on toilet paper, then by original paper under uviol lamp illumination ageing to fading, aging temperature 25.0 DEG C, uviol lamp power 60W, vertical irradiation distance 5cm, aging 5 days.Adopt the visualization reagent of embodiment 1 to manifest writing according to the method for embodiment 1 after degradation, to the results are shown in Figure in 9 ~ 10, figure from left to right 3 figure be successively write original paper writing, aging rear writing, manifest rear writing.As seen from the figure, ball pen original paper writing becomes and fades smudgy clear after aging, adopts visualization reagent of the present invention and process for show can make clear the displaying of fuzzy writing of having faded, and writing indiffusion.
In order to prove that visualization reagent of the present invention not only can well manifest writing and to paper without destruction, inventor chooses the uniform common manuscript paper of thickness, adopt the method for visualization reagent according to embodiment 1 of embodiment 1, visualization reagent is coated on common manuscript paper, then carry out aging to it, aging method is respectively: at the temperature of 105 DEG C, xeothermic aging 72h; Temperature be 80 DEG C, under humidity is the condition of 65%, hydrothermal aging 72h; Test temperature 25.0 DEG C, uviol lamp power 60W, vertical irradiation distance 5cm, ultraviolet ageing 72h.Do control experiment with the manuscript paper not being coated with visualization reagent simultaneously.Measure three kinds of aging front and back of aging method not manifest paper and manifest tensile strength, folding strength, tearability, bursting strength, the pH value of rear paper, concrete method of testing and test result as follows:
1, the mensuration of tensile strength
Tensile strength refers under standard test method defined terms, and before the paper fracture of unit width, maximum pull bears in institute.Tensile strength is one of important parameter in paper mechanical characteristics, tensile strength is again the most frequently used paper strength index, when measuring, external force is transmitted between fiber by network of fibers, the shearing force acted between fiber and fiber causes the destruction combined between fiber, when shearing force increases above the shearing strength combined between fiber, combine between fiber and will rupture.
Pattern is pressed in length and breadth to cutting growth 250mm, the paper slip of the sufficient amount of wide 15 ± 0.1mm, to ensure that vertical and horizontal respectively have 10 effective data (as fracture person within distance chuck 10mm, should remove and not remember).Pattern has not allowed any paper defects, and two limits of pattern should be straight, and otch should neatly without any damage.The tensile strength adopting J-KZ1000 type pendulum tensile test piece machine (the Changjiang river papermaking Instrument Ltd.) to carry out pattern by GB GB/T453 ~ 2002 measures (constant speed loading method).
2, the mensuration of folding strength
Folding strength refers to that paper can stand the back and forth folding number of times of 180 degree under some tension.Folding strength is index the sensitiveest for artificial accelerated aging reflection in paper mechanical strength index, has comparatively restricted publication of international news and commentary entitled be worth for the durability evaluating paper.Folding strength depends primarily on intensity, the factor such as average length and interfibrous adhesion size of paper fibre itself.After weathering, more easily there is oxidation and fracture in cellulose body to the poor paper of durability, makes papery start hardening embrittlement, show aging feature.By measuring the change of aging front and back pattern folding strength, the durability can evaluating paper is strong and weak.The then explanation ageing process that folding strength performance indications numeric ratio is larger is less to its paper fibre destructiveness, and the smaller then explanation ageing process of numerical value is larger to its paper fibre destructiveness.
By pattern by length and breadth to the paper slip of the sufficient amount of cutting growth 250mm, wide 15 ± 0.1mm, to ensure that vertical and horizontal respectively have 10 effective data (as fracture person within distance chuck 10mm, should remove and not remember).Pattern has not allowed any paper defects, and two limits of pattern should be straight, and otch should neatly without any damage.DC-MIT135B type computer observing and controlling folding strength instrument (the Changjiang river papermaking Instrument Ltd.) is adopted to carry out the folding test (MIT folding strength instrument method) of sample by GB GB/T2679.5 ~ 1995.
3, the mensuration of tearability
Tearability refers to time of tearing paper institute's work.In the index of mechanical strength representing paper, tearability has great importance.The present invention adopts interior method of Tearing to represent, refers under defined terms, and power required when being torn along otch by the paper cut, unit is mN.Owing to fiber will be pulled out from sample when paper is torn, or will fiber tear fracture, so the size of tearability depends on the average length of fiber, next is interfibrous adhesion, the orientation of fiber, the intensity of fiber itself and the interleaving conditions etc. of fiber, and tearability increases along with the length of fiber and increases.By measuring the change of the pliable and tough posterior tear degree of simulation sample, the resistance to tearing can evaluating sample is strong and weak.
By paper by length and breadth to the paper slip of the sufficient amount of cutting growth 75 ± 2mm, wide 63 ± 0.5mm, to ensure that vertical and horizontal respectively have 10 effective data (as fracture person within distance chuck 10mm, should remove and not remember).10 effectively tests are done in each direction, if the end of sample tear line and edge of a knife extended line left and right deflection are more than 10mm, should discard and not remember.The tearability adopting DC-NPY13K type computer observing and controlling tearability instrument (the Changjiang river papermaking Instrument Ltd.) to carry out sample by GB GB/T455 ~ 2002 measures.
4, the mensuration of bursting strength
Bursting strength refers to the maximum pressure of the even increase that paper can bear in unit are, unit is kPa, it progressively applies pressure by the elasticity glued membrane of certain area to paper specifically, glued membrane is by sample jack-up in this process, when sample is by the moment of bursting, measure the maximum pressure that sample can bear, be the bursting strength of sample.Bursting strength is a main physical indexes of paper, it represents that paper can bear the degree of external pressure when not breaking, represent overall strength and the uniformity of paper, main by interfibrous adhesion, the average length of fiber, the impact such as intertexture, arranging situation, percentage elongation of the intensity of fiber itself, evenness and fiber.By measuring the change of aging front and back pattern bursting strength, the durability can evaluating paper is strong and weak.The then explanation ageing process that bursting strength performance indications numeric ratio is larger is less to its paper fibre destructiveness, and the smaller then explanation ageing process of numerical value is larger to its paper fibre destructiveness.
Regardless of being become by sheet trimming size to be the paper slip of 70mm × 70mm in length and breadth, do 10 effectively tests, if bursting form measure area periphery place break show chucking power too high or when clamping chuck rotate and cause sample damage, then should give up this and organize experimental data.DC-NPY1200 computer observing and controlling paper bursting strength instrument is adopted to carry out the bursting strength test of sample by GB GB/T450 ~ 2002.
5, the mensuration of pH
Paper is fixed on rubber slab, a distilled water (pH value is 6.2 ~ 7.3) is dropped on paper, under water for the electrode measurement of pH meter surface and with paper surface contact, reading after about 10 minutes.In order to eliminate the acid impact in local, each data decimation 10 diverse locations detect, and average.Do identical test and test with toilet paper simultaneously.
Above-mentioned test result is in table 1 ~ 4.
Paper and the measuring mechanical property result manifesting rear paper is not manifested before and after table 1 ultraviolet ageing
Note: in table, experimental data is 10 Validity Test mean values.
Paper and the measuring mechanical property result manifesting rear paper is not manifested before and after table 2 hydrothermal aging
Note: in table, experimental data is 10 Validity Test mean values.
The xeothermic aging front and back of table 3 do not manifest paper and manifest the measuring mechanical property result of rear paper
Note: in table, experimental data is 10 Validity Test mean values.
The aging front and back of table 4 do not manifest paper and manifest the pH test result of rear paper
Note: in table, experimental data is 10 Validity Test mean values.
From the result of the test of table 1 ~ 4, manuscript paper after adopting visualization reagent of the present invention and process for show to manifest, after three kinds of aging techniques, its mechanical strength is not damaged, be more or less the same compared with not aged paper mechanical performance and keep better, and the pH after toilet paper and manuscript paper manifest before ageing after be all greater than the paper do not manifested, show that the permanent preservation of visualization reagent of the present invention to archives of paper quality has very large positive effect.
In order to prove beneficial effect of the present invention further, inventor adopts the visualization reagent of the embodiment of the present invention 1 and an envelope illegible mail of process for show to construction of fire and electricity company of Yunnan Province to carry out writing to manifest, and Figure 11 be shown in the writing before and after manifesting.As seen from the figure, visualization reagent of the present invention and process for show is adopted to make clear the displaying of fuzzy writing of fading, and writing indiffusion.
Claims (4)
1. a record carbon-paper original paper writing visualization reagent, it is characterized in that: this visualization reagent is made up of component A and B component, wherein component A is mixed for 1:15 ~ 30:15 ~ 30:60 ~ 100 in mass ratio by oxalic acid, formic acid, normal propyl alcohol, distilled water, and B component is mixed for 1:0.5 ~ 1 by volume by methyl alcohol and the barium hydroxide solution that to be 40 ~ 60:3 in mass ratio make 120 ± 5 DEG C of stirring and refluxing for 3 ~ 4 hours and distilled water.
2. record carbon-paper original paper writing visualization reagent according to claim 1, is characterized in that: described component A by oxalic acid, formic acid, normal propyl alcohol, distilled water in mass ratio for 1:20:20:80 mixes.
3. record carbon-paper original paper writing visualization reagent according to claim 1, is characterized in that: the solution that described B component is made up 120 ± 5 DEG C of stirring and refluxing for 50:3 in mass ratio of methyl alcohol and barium hydroxide for 3 ~ 4 hours and distilled water are by volume for 1:1 mixes.
4. the method adopting record carbon-paper original paper writing visualization reagent according to claim 1 to manifest carbon paper original paper writing, it is characterized in that: clamp absorbent cotton with tweezers and dip component A in visualization reagent, be spread evenly across on mature rice paper, then mature rice paper is overlayed on the carbon paper original paper paper of writing to be manifested, a layer paperboard is padded again on mature rice paper, evenly repeatedly pressboard is pressed with palm, until writing is clear manifest after, clamp absorbent cotton with tweezers and dip B component in visualization reagent, be spread evenly across on the carbon paper original paper paper of writing to be manifested, natural air drying.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105802323A (en) * | 2016-05-10 | 2016-07-27 | 陕西师范大学 | Ball-point pen and carbon paper diffuse handwriting elimination agent and application method thereof |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101921514A (en) * | 2010-07-30 | 2010-12-22 | 陕西师范大学 | Reinforcing agent for protecting blackboard chalk writing files |
| CN102166916A (en) * | 2010-12-10 | 2011-08-31 | 陕西师范大学 | Method of protecting archives with red-ink handwriting from spreading and sinking in during process of papering and repairing |
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101921514A (en) * | 2010-07-30 | 2010-12-22 | 陕西师范大学 | Reinforcing agent for protecting blackboard chalk writing files |
| CN102166916A (en) * | 2010-12-10 | 2011-08-31 | 陕西师范大学 | Method of protecting archives with red-ink handwriting from spreading and sinking in during process of papering and repairing |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105802323A (en) * | 2016-05-10 | 2016-07-27 | 陕西师范大学 | Ball-point pen and carbon paper diffuse handwriting elimination agent and application method thereof |
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