CN103204703B - Application of ZB-F600 two-component FEVE aqueous fluororesin in pretreatment of damage-prone pottery decorated with colored drawing before restoration - Google Patents
Application of ZB-F600 two-component FEVE aqueous fluororesin in pretreatment of damage-prone pottery decorated with colored drawing before restoration Download PDFInfo
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Abstract
The invention relates to application of a ZB-F600 two-component FEVE aqueous fluororesin in pretreatment of a damage-prone pottery decorated with a colored drawing before restoration. An application method of the ZB-F600 two-component FEVE aqueous fluororesin comprises the following steps: preparation of an aqueous solution of the ZB-F600 two-component FEVE aqueous fluororesin; preliminary removal of soil rust on the surface of a pottery decorated with a colored drawing; pretreatment of a colored drawing layer of the pottery; and dissolving of an aqueous fluorine cured substance in the soil rust on the surface of the pottery decorated with the colored drawing. A film formed after curing of the ZB-F600 two-component FEVE aqueous fluororesin has the advantages of good adhesion, corrosion resistance, heat resistance, etc.; after the aqueous solution of the ZB-F600 two-component FEVE aqueous fluororesin is used for pretreatment of the damage-prone pottery decorated with the colored drawing before restoration, adhesion between a color-drawing pigment layer of the pottery and the body of the pottery is enhanced, so the phenomena of dusting and spalling of color-drawing pigments are effectively avoided in the process of cleaning of the soil rust on the surface of the pottery decorated with the colored drawing.
Description
Technical field
The invention belongs to Techniques of Relics Protection field, be specifically related to the reparation of easy damaged colored drawing pottery.
Background technology
The color on easy damaged colored drawing pottery surface is generally to adjust the animal and plant glue with suitable facile hydrolysis by inorganic mineral pigments, is painted on the pottery baking, not too strong.Coloured drawing pigment is directly painted on the surface of making pottery, and granules of pigments is tiny and coating is thinner, is easy to infiltrate pottery space, surface, adhere to better, but some particles is larger, and coating is thicker, or first does to paint coloured silk after bottom with carclazyte, colloid, easy fall in flakes.The colored drawing pottery that is unearthed, is often covered and wrap up in by earth, and cementing matter in its coloured drawing pigment is because aging cohesive force declines, and in earthing scale removal process, is prone to coloured drawing pigment obscission.
At present, domestic historical relic's protection worker mostly adopts first cleaning, the operation of post-reinforcing in the protection of easy damaged colored drawing pottery historical relic.Concrete method for cleaning has: mechanical cleaning, washing, chemical reagent removal etc., result is all undesirable.In recent years, there is more historical relic's protection worker to adopt reagent and the also method of use of machinery, first utilize reagent to loosen the soil, then with instrument desurfacing earth such as bamboo lets, although this method has obtained some successes, but still have some insoluble technical problems.Adhere to more firm for painted layer, and the pottery historical relic that its surperficial earthing is comparatively soft, this method is more convenient feasible, but the inner cementing matter of the painted layer of most of colored drawing relics that is unearthed is aging serious, its force of cohesion, sticking power reduce greatly, and often earthing and painted layer surface is bonding firmly, and its bounding force is greater than the painted layer bounding force surperficial with pottery, clear up in this case surperficial earthing, be difficult to avoid pigment to come off.In Techniques of Relics Protection field, the urgent technical problem solving of current need is how to repair colored drawing pottery historical relic not damage historical relic.
Summary of the invention
Technical problem to be solved by this invention is to overcome the shortcoming of above-mentioned easy damaged colored drawing pottery historical relic restorative procedure, for the two component FEVE water-based fluororesins of ZB-F600 provide a kind of new purposes.
Solving the problems of the technologies described above adopted technical scheme is the two component FEVE water-based fluororesins of ZB-F600 purposes in pre-treatment before easy damaged colored drawing pottery is repaired, and its using method is made up of following step:
1, the two component FEVE water-based fluororesin aqueous solution of preparation ZB-F600
It is 2%～6% the aqueous solution that two ZB-F600 component FEVE water-based fluororesins are mixed with to mass concentration.
The two component FEVE water-based fluororesins of ZB-F600, are sold by Zhenbang Fluorine-coating Co., Ltd., Dalian.
2, tentatively remove colored drawing pottery surface soil rust
Reject the soil rust of more easily removing on colored drawing pottery colored drawing surface with bamboo let, the soil layer that retains 2～3mm is not cleared up, and blows away the soil rust of having rejected with rubber pipette bulb.
3, the painted layer pre-treatment of colored drawing pottery
Clamp absorbent cotton with clip, dip in the two component FEVE water-based fluororesin aqueous solution of ZB-F600, on colored drawing pottery surface soil rust, embrocate the two component FEVE water-based fluororesin aqueous solution of ZB-F600 to being penetrated into colored drawing pottery painted layer, solidify 10～20 minutes, in colored drawing pottery surface soil rust and painted layer, form water-based fluorine cured article.
4, dissolve water-based fluorine cured article in colored drawing pottery surface soil rust
Clamp absorbent cotton with clip, dip in acetone the water-based fluorine cured article in colored drawing pottery surface soil rust is dissolved, then provoke loosening soil rust with bamboo let, roll and wipe soil rust with the cotton swab that dips in acetone.
In the two component FEVE water-based fluororesin aqueous solution steps 1 of preparation ZB-F600, it is 4% the aqueous solution that two ZB-F600 component FEVE water-based fluororesins are mixed with to best in quality concentration.
In the painted layer pre-treatment step 3 of colored drawing pottery, clamp absorbent cotton with clip, dip in the two component FEVE water-based fluororesin aqueous solution of ZB-F600, on colored drawing pottery surface soil rust, embrocate the two component FEVE water-based fluororesin aqueous solution of ZB-F600 to being penetrated into colored drawing pottery painted layer, best solidifying 15 minutes forms water-based fluorine cured article in colored drawing pottery surface soil rust and painted layer.
The present invention adopts the advantages such as the two component FEVE water-based fluororesins of ZB-F600 are repaired front pre-treatment to easy damaged colored drawing pottery, and water-based fluorine is a class ep-type material, safe and harmless, and cost is low, and construction easily.After the two component FEVE water-based fluororesin film-formings of ZB-F600, there is good adhesivity, the advantage such as erosion resistance, thermotolerance, before the two component FEVE water-based fluororesin aqueous solution of ZB-F600 is to the reparation of easy damaged colored drawing pottery, carry out after pre-treatment, strengthen the sticking power between colored drawing pottery coloured drawing pigment layer and colored drawing pottery body, thereby coloured drawing pigment dry linting, the phenomenon of peeling off are effectively avoided colored drawing pottery surface soil rust to carry out in scale removal process.
Accompanying drawing explanation
Fig. 1 is untreated colored drawing pottery sheet stereoscan photograph.
The colored drawing pottery sheet stereoscan photograph of the two component FEVE water-based fluororesin aqueous solution processing of ZB-F600 that Fig. 2 is is 2% by mass concentration.
The colored drawing pottery sheet stereoscan photograph of the two component FEVE water-based fluororesin aqueous solution processing of ZB-F600 that Fig. 3 is is 4% by mass concentration.
The colored drawing pottery sheet stereoscan photograph of the two component FEVE water-based fluororesin aqueous solution processing of ZB-F600 that Fig. 4 is is 6% by mass concentration.
Fig. 5 is to be the colored drawing pottery sheet stereoscan photograph of the two component FEVE water-based fluororesin aqueous solution processing of 8%ZB-F600 by mass concentration.
The colored drawing pottery sheet stereoscan photograph of the two component FEVE water-based fluororesin aqueous solution processing of ZB-F600 that Fig. 6 is is 10% by mass concentration.
Fig. 7 is the contact angle photo of untreated colored drawing pottery sheet.
The colored drawing pottery sheet contact angle photo of the two component FEVE water-based fluororesin aqueous solution processing of ZB-F600 that Fig. 8 is is 2% by mass concentration.
The colored drawing pottery sheet contact angle photo of the two component FEVE water-based fluororesin aqueous solution processing of ZB-F600 that Fig. 9 is is 4% by mass concentration.
The colored drawing pottery sheet contact angle photo of the two component FEVE water-based fluororesin aqueous solution processing of the two component FEVE water-based fluororesin ZB-F600 of ZB-F600 that Figure 10 is is 6% by mass concentration.
Figure 11 is the microscopic appearance of colored drawing pottery sheet surface soil rust.
Figure 12 is that to have mass concentration be the microscopic appearance of the colored drawing pottery sheet surface soil rust of the two component FEVE water-based fluororesin aqueous solution of 4% ZB-F600 in infiltration.
Figure 13 is that acetone drips the microscopic appearance that has the colored drawing pottery sheet surface soil rust of the two component FEVE water-based fluororesin aqueous solution of ZB-F600 in infiltration.
Figure 14 is the thermogravimetric curve figure of the two component FEVE water-based fluororesin films of ZB-F600.
Figure 15 adopts the present invention Han dynasty colored drawing pottery to be repaired to contrast experiment's photo of front and back.
Embodiment
Below in conjunction with drawings and Examples, the present invention is described in more detail, but the invention is not restricted to these embodiment.
The two component FEVE water-based fluororesins of the present embodiment ZB-F600 purposes in pre-treatment before easy damaged colored drawing pottery is repaired, its using method is made up of following step:
1, the two component FEVE water-based fluororesin aqueous solution of preparation ZB-F600
It is 4% the two component FEVE water-based fluororesin aqueous solution of ZB-F600 that two ZB-F600 component FEVE water-based fluororesins are mixed with to mass concentration.
2, tentatively remove colored drawing pottery surface soil rust
Reject the soil rust of more easily removing on colored drawing pottery colored drawing surface with bamboo let, the soil layer that retains 2～3mm is not cleared up, and blows away the soil rust of having rejected with rubber pipette bulb.
3, colored drawing pottery painted layer pre-treatment
Clamp absorbent cotton with clip, dip in the two component FEVE water-based fluororesin aqueous solution of ZB-F600, on colored drawing pottery surface soil rust, embrocate the two component FEVE water-based fluororesin aqueous solution of ZB-F600 to being penetrated into colored drawing pottery painted layer, solidify 15 minutes, in colored drawing pottery surface soil rust and painted layer, form water-based fluorine cured article
4, the dissolving of water-based fluorine cured article in colored drawing pottery surface soil rust
Clamp absorbent cotton with clip, dip in acetone the water-based fluorine cured article in colored drawing pottery surface soil rust is dissolved, then provoke loosening soil rust with bamboo let, roll and wipe soil rust with the cotton swab that dips in acetone.
The two component FEVE water-based fluororesins of the present embodiment ZB-F600 purposes in pre-treatment before easy damaged colored drawing pottery is repaired, its using method is made up of following step:
In the two component FEVE water-based fluororesin aqueous solution steps 1 of preparation ZB-F600, it is 2% the two component FEVE water-based fluororesin aqueous solution of ZB-F600 that two ZB-F600 component FEVE water-based fluororesins are mixed with to mass concentration.In the painted layer pre-treatment step 3 of colored drawing pottery, clamp absorbent cotton with clip, dip in the two component FEVE water-based fluororesin aqueous solution of ZB-F600, on colored drawing pottery surface soil rust, embrocate the two component FEVE water-based fluororesin aqueous solution of ZB-F600 to being penetrated into colored drawing pottery painted layer, solidify 20 minutes, in colored drawing pottery surface soil rust and painted layer, form water-based fluorine cured article.Other step is identical with embodiment 1, completes the preprosthetic pre-treatment of easy damaged colored drawing pottery.
Embodiment 3
The two component FEVE water-based fluororesins of the present embodiment ZB-F600 purposes in pre-treatment before easy damaged colored drawing pottery is repaired, its using method is made up of following step:
In the two component FEVE water-based fluororesin aqueous solution steps 1 of preparation ZB-F600, it is 6% the two component FEVE water-based fluororesin aqueous solution of ZB-F600 that two ZB-F600 component FEVE water-based fluororesins are mixed with to mass concentration.In the painted layer pre-treatment step 3 of colored drawing pottery, clamp absorbent cotton with clip, dip in the two component FEVE water-based fluororesin aqueous solution of ZB-F600, on colored drawing pottery surface soil rust, embrocate the two component FEVE water-based fluororesin aqueous solution of ZB-F600 to being penetrated into colored drawing pottery painted layer, solidify 10 minutes, in colored drawing pottery surface soil rust and painted layer, form water-based fluorine cured article.Other step is identical with embodiment 1, completes the preprosthetic pre-treatment of easy damaged colored drawing pottery.Other step is identical with embodiment 1 to be completed the preprosthetic pre-treatment of easy damaged colored drawing pottery.
In order to determine the using method of the best of the present invention, contriver has carried out a large amount of laboratory study experiments, and various test situation are as follows:
1, the two component FEVE water-based fluororesin film-forming propertiess of ZB-F600
It is 2% the aqueous solution that two ZB-F600 component FEVE water-based fluororesins are mixed with to mass concentration, is applied on slide glass, after it solidifies, observes film forming situation.Result shows, after the two component FEVE water-based fluororesins of ZB-F600 solidify, has formed water white film, and film-forming properties is good.
2, solvability
It is that 2% the aqueous solution is applied on slide glass that two ZB-F600 component FEVE water-based fluororesins are mixed with to mass concentration, is placed in respectively solvent and dissolves 7,30,60 minutes after film-forming (water-based fluorine cured article), observes its dissolving situation.
Experimental result is in table 1.
The dissolution experiment of table 1 water-based fluorine cured article
As shown in Table 1, it is best that solvent acetone is dissolved water-based fluorine cured article effect, and the present invention selects the solvent of acetone as water-based fluorine cured article.
Above experimental result is known, and the two component FEVE water-based fluororesins of ZB-F600 have film-forming properties and solvability, can carry out pre-treatment to the painted layer of colored drawing pottery, and the present invention selects the solvent of acetone as water-based fluorine cured article.
3, determine the concentration of the two component FEVE water-based fluororesins of ZB-F600
(1) impact of the concentration of the two component FEVE water-based fluororesin aqueous solution of ZB-F600 on painted layer color
Preparation mass concentration is 2%, 4%, 6%, 8%, 10% the two component FEVE water-based fluororesin aqueous solution of ZB-F600.5 of pottery sheets that cut 3 × 3cm, the aqueous gelatin solution 1g that is 4% by mass concentration mixes with 3g cinnabar mineral color, is modulated into pigment mush, is evenly coated in pottery sheet surface with writing brush, and thickness is 0.12～0.2mm, and room temperature is dried.Be the two component FEVE water-based fluororesin aqueous solution 4ml brushing colored drawings pottery of 2%, 4%, 6%, 8%, 10% ZB-F600 sheet by mass concentration respectively, dry, carry out chromatism test with VS-450 spectrophotometer.
The results are shown in Table 2.
Table 2 uses the ZB-F600 pair of component FEVE water-based fluororesin aqueous solution to process the front and rear colored drawing pottery of processing sheet colour-change situation
Note: △ E is value of chromatism, L* is lightness index, and a* is red green degree index, and b* is champac chromaticity index.
From table 2, the painted layer pigment color variation of processing rear colored drawing pottery sheet with the two component FEVE water-based fluororesin aqueous solution of ZB-F600 that mass concentration is 2%, 4%, 6% is little, meets the principle of " keeping historical relic original appearance ".The painted layer pigment color that is the two component FEVE water-based fluororesin aqueous solution of 8%, 10% ZB-F600 colored drawing pottery after treatment sheet through mass concentration changes greatly, does not meet historical relic's protection requirement.
(2) the two component FEVE water-based fluororesin aqueous solution of ZB-F600 is penetrated into the microscopic appearance on colored drawing pottery sheet coloured drawing pigment surface
(3) contact angle of mensuration colored drawing pottery sheet
Preparation mass concentration is 2%, 4%, the two component FEVE water-based fluororesin aqueous solution of 6%ZB-F600.4 of pottery sheets that cut 3 × 3cm, the aqueous gelatin solution 1g that is 4% by mass concentration mixes with 3g cinnabar mineral color, is modulated into pigment mush, is then evenly coated in pottery sheet surface with writing brush, and thickness is 0.12～0.2mm, and room temperature is dried.1 as untreated colored drawing pottery sheet, wherein to measure respectively 4ml mass concentration be 2%, 4%, 6% two component FEVE water-based fluororesin aqueous solution brushings infiltrations of ZB-F600 to 3 colored drawings pottery sheet, measure the contact angle of colored drawing pottery sheet after the two component FEVE water-based fluororesin aqueous solution of ZB-F600 is processed with video optics contact angle measurement (model is OCA20, is produced by German Dataphysics company).Every is done 3 points, every some water consumption 2 μ L, 30 seconds readings, results averaged.
Test result is in table 3, Fig. 7～Figure 10.
Table 3 is untreated process with the two component FEVE water-based fluororesins of ZB-F600 after the contact angle of colored drawing pottery sheet
From table 3 and Fig. 7～Figure 10, the average contact angle of untreated colored drawing pottery sheet is 19.0 ℃, show that untreated colored drawing pottery sheet surface hydrophilicity is strong, be 2% through mass concentration, 4%, the two component FEVE water-based fluororesin aqueous solution of 6%ZB-F600 colored drawing pottery after treatment sheet contact angle is respectively 62.8 ℃, 70.7 ℃, 85.3 ℃, show through the two component FEVE water-based fluororesin aqueous solution of ZB-F600 colored drawing pottery after treatment sheet, surface hydrophilicity reduces, and illustrates that the two component FEVE water-based fluororesins of ZB-F600 have closure effect to colored drawing pottery sheet.
(4) the two component FEVE water-based fluororesin aqueous solution of test ZB-F600 is processed the sticking power of rear colored drawing pottery sheet painted layer
Laboratory sample preparation: cut out 3 of pottery sheets that cut 3 × 3cm; Select cinnabar mineral color, with 200 object sieves filtrations, obtain pigment powder; The aqueous gelatin solution 1g that is 4% by mass concentration mixes with 3g cinnabar mineral color, is modulated into pigment mush, is evenly coated in colored drawing pottery sheet surface with writing brush, and thickness is 0.1～0.2mm, and room temperature is dried.The two component FEVE water-based fluororesin aqueous solution 4ml of ZB-F600 that are 2%, 4%, 6% by mass concentration brush respectively on 3 colored drawing pottery sheets, and room temperature, after solvent evaporates is dry, adopts cross cross-hatching to test its sticking power.
Concrete grammar is: use blade to draw the parallel tool marks in 6 roads (long 10～20mm on colored drawing pottery sheet coat of colo(u)r surface, distance between cut channel is 1mm), scratch whole coat of colo(u)r, draw again same cut channel 6 roads, vertical with the former cut channel, form lattice, tape sticker is being drawn on lattice, tear down with minimum angles, the area ratio that test result can come off according to colored drawing surface pigment is tried to achieve.Test in table 4 with reference to standard GB/T/T1720-1989 " paint film adhesion assay method ".
Experimental result is in table 5.
Table 4 sticking power test grade
Note: 0 grade best; 5 grades the poorest
The two component FEVE water-based fluororesin aqueous solution of table 5 different concns ZB-F600 is processed the sticking power test result of rear painted layer
From table 5, meet the requirement of historical relic actual repair with the colored drawing pottery sheet that mass concentration is the two component FEVE water-based fluororesin aqueous solution processing of 2%, 4%, 6% ZB-F600.
Comprehensive above experiment (1)～(4), the mass concentration of the two component FEVE water-based fluororesin aqueous solution of ZB-F600 is the requirement that 2%～6% processing colored drawing pottery sheet meets historical relic actual repair, wherein mass concentration is 4% the best.
In order to verify beneficial effect of the present invention, contriver adopts the preprosthetic pretreatment process of the embodiment of the present invention 1 easy damaged colored drawing pottery to carry out carrying out each quantitative measurement after pre-treatment to colored drawing pottery sheet, and various test case are as follows:
1, the two component FEVE water-based fluororesin aqueous solution of ZB-F600 is penetrated into the microscopic appearance of colored drawing pottery surface soil rust
Preparation experiment sample: cut out 1 of the pottery sheet that cuts 3 × 3cm; Select cinnabar mineral color, with 200 object sieves filtrations, obtain pigment powder; The aqueous gelatin solution 1g that is 4% by mass concentration mixes with 3g cinnabar mineral color, is modulated into pigment mush, is evenly coated in colored drawing pottery sheet surface with writing brush, and thickness is 0.1～0.2mm, and room temperature is dried.Filter dry ground with 200 mesh sieve again; Weigh 3g dry ground, sieve is on the surface of colored drawing pottery sheet, thickness is 0.2mm, the soil rust of simulation colored drawing pottery sheet, the distilled water that measures 2ml is sprayed on the soil rust of colored drawing pottery sheet, being placed in air and naturally drying. the native rusty scale of colored drawing pottery sheet is observed under rough vacuum condition with environmental scanning electronic microscope, experimental result is shown in Figure 11.Measuring 3ml mass concentration is the two component FEVE water-based fluororesin aqueous solution of 4%ZB-F600 again, drip on the soil rust of colored drawing pottery sheet, naturally dry, having mass concentration with ESEM infiltration is the soil rust microscopic appearance of the two component FEVE water-based fluororesin aqueous solution of 4%ZB-F600, the results are shown in Figure 12, again the dropping of 3ml acetone being had to mass concentration in infiltration is on the soil rust of the two component FEVE water-based fluororesin aqueous solution of 4%ZB-F600, with its microscopic appearance of ESEM, the results are shown in Figure 13.
From Figure 11～Figure 13, untreated soil rust surface tissue is more open, and void ratio is larger; Be that after the two component FEVE water-based fluororesin aqueous solution of 4%ZB-F600 is processed, the two component FEVE water-based fluororesins of ZB-F600 are filled in the surperficial space of soil rust through mass concentration, as Figure 12, soil rust played to reinforcement effect; The soil rust surface reinforcing drips acetone, and it is loose that soil rust surface tissue becomes, and occurred crack, sees Figure 13, shows that acetone plays the effect of dissolving to the two component FEVE water-based fluororesins of ZB-F600.
2, process the water-intake rate after colored drawing pottery sheet with the two component FEVE water-based fluororesins of ZB-F600
Preparation experiment sample: cut out 6 of pottery sheets that cut 3 × 3cm; Select cinnabar mineral color, with 200 mesh sieves filtrations, obtain pigment powder; The aqueous gelatin solution 1g that is 4% by mass concentration mixes with 3g cinnabar mineral color, is modulated into pigment mush, is evenly coated in colored drawing pottery sheet surface with writing brush, and thickness is 0.1～0.2mm, and room temperature is dried.Wherein 3 is untreated colored drawing pottery sheet, and other 3 two component FEVE water-based fluororesin aqueous solution of ZB-F600 that are 4% by mass concentration dry after processing.6 colored drawings pottery sheets are placed in to the thermostatic drying chamber of 105 ℃ to constant weight, after taking-up, are immersed in the beaker that fills tap water, places the water of satisfying afterwards for 2 weeks and weigh.Be calculated as follows the water-intake rate of processing rear and untreated colored drawing pottery sheet:
W=（M
1-M
。）/M
。×100
In formula, W is the water-intake rate of colored drawing pottery sheet, M
.for colored drawing pottery sheet constant weight in thermostatic drying chamber, M
1for placing 2 weeks rear full water weights.
Experimental result is in table 6
The water-absorbent of the untreated colored drawing pottery sheet with the two component FEVE water-based fluororesin processing of ZB-F600 of table 6
From table 6, the colored drawing pottery sheet of processing through the two component FEVE water-based fluororesin aqueous solution of 4%ZB-F600, its average water-intake rate is reduced to 16.3% by original 17.9%, shows colored drawing pottery sheet water absorption decreased, illustrate that the two component FEVE water-based fluororesins of ZB-F600 have closure effect to the colored drawing sheet of making pottery.
3, process the acid resistance after colored drawing pottery sheet with the two component FEVE water-based fluororesins of ZB-F600
Laboratory sample preparation is with experiment 2, not making pottery with 3 colored drawings pottery sheets of the two component FEVE water-based fluororesin processing of ZB-F600 with 3 colored drawings that mass concentration is the two component FEVE water-based fluororesin processing of 4%ZB-F600, to be soaked in respectively mass concentration be in 12% the HCl aqueous solution to sheets, place 2 weeks, take out, dry weighing, is calculated as follows acid fastness:
R
H=G
1/G
0×100
In formula, RH is acid fastness, G
0for the quality of colored drawing pottery sheet, G
1for not with and with the two component FEVE water-based fluororesin processing of ZB-F600, soak dried quality at aqueous hydrochloric acid.Calculation result is in table 7.
Table 7 is untreated processes the acid resistance of colored drawing pottery sheet with the two component FEVE water-based fluororesins of ZB-F600
From table 7, bring up to 95.2% through the two component FEVE water-based fluororesin aqueous solution of 4%ZB-F600 colored drawing pottery after treatment sheet acid fastness by original 89.4%, show that the two component FEVE water-based fluororesins of ZB-F600 have good acid resistance.
4, the two component FEVE water-based fluororesins of ZB-F600 are processed the alkali resistance of rear colored drawing pottery sheet
Laboratory sample preparation is identical with experiment 2, not making pottery with 3 colored drawings pottery sheets of the two component FEVE water-based fluororesin processing of ZB-F600 with 3 colored drawings that mass concentration is the two component FEVE water-based fluororesin processing of 4%ZB-F600, to be soaked in respectively mass concentration be in 40% the NaOH aqueous solution to sheets, place 2 weeks, take out, dry weighing, is calculated as follows fastness to alkali:
R
OH=G
1/G
0×100
R in formula
oHfor fastness to alkali, G
0for the quality of colored drawing pottery sheet, G
1for not with and with ZB-F600 pair component FEVE water-based fluororesin processing, in the dried quality of NaOH aqueous solution soaking.Calculation result is in table 8.
Table 8 is untreated processes the alkali resistance of colored drawing pottery sheet with the two component FEVE water-based fluororesins of ZB-F600
From table 8, the fastness to alkali of the two component FEVE water-based fluororesin aqueous solution of the ZB-F600 that is 4% through mass concentration colored drawing pottery after treatment sheet brings up to 94.5% by 90.8.%, shows that the two component FEVE water-based fluororesins of ZB-F600 have good alkali resistance.
5, the thermotolerance of the two component FEVE water-based fluororesins of ZB-F600
The two component FEVE water-based fluororesin aqueous solution of the ZB-F600 that is 4% by 4ml mass concentration drops on slide glass equably, puts into baking oven, dries film forming for 105 ℃, and the two component FEVE water-based fluororesin films of ZB-F600 are carried out to thermogravimetric analysis, and experimental result is shown in Figure 14.
Can find out from the thermogravimetric curve figure of the two component FEVE water-based fluororesin films of the ZB-F600 of Figure 14, the two component FEVE water-based fluororesin initial decomposition temperatures of ZB-F600 are 290.56 ℃, maximum decomposition temperature is 347.21 ℃, shows that the two component FEVE water-based fluororesins of ZB-F600 have good thermotolerance.
In order further to verify effect of the present invention, the two component FEVE water-based fluororesin aqueous solution of ZB-F600 of preparing by the quality proportioning of the embodiment of the present invention 1 carries out preprosthetic pre-treatment to Han dynasty colored drawing pottery, left side is not for carrying out surface-treated Han dynasty colored drawing pottery, right side is for carrying out surface-treated Han dynasty colored drawing pottery with the two component FEVE water-based fluororesins of ZB-F600, and specific experiment step is as follows:
1, the two component FEVE water-based fluororesin aqueous solution of preparation ZB-F600
It is 4% the two component FEVE water-based fluororesin aqueous solution of ZB-F600 that two ZB-F600 component FEVE water-based fluororesins are mixed with to mass concentration.
2, tentatively remove Han dynasty colored drawing pottery surface soil rust
Reject with bamboo let the soil rust that more easily remove on right side, colored drawing pottery surface, Han dynasty, the soil layer that retains 2～3mm is not cleared up, and blows away the soil rust of having rejected with rubber pipette bulb.
3, Han dynasty colored drawing pottery painted layer pre-treatment
Clamp absorbent cotton with clip, dip in the two component FEVE water-based fluororesin aqueous solution of ZB-F600, on Han dynasty colored drawing pottery right lateral surface soil rust, embrocate the two component FEVE water-based fluororesin aqueous solution of ZB-F600 to being penetrated into Han dynasty colored drawing pottery painted layer, solidify 15 minutes, form the two component FEVE water-based fluororesin cured articles of ZB-F600 at colored drawing pottery right side, Han dynasty painted layer.
4, dissolve water-based fluorine cured article in the colored drawing pottery surface soil rust of Han dynasty
Clamp absorbent cotton with clip, dip in acetone the water-based fluorine cured article in Han dynasty colored drawing pottery right lateral surface soil rust is dissolved, then provoke loosening soil rust with bamboo let, roll and wipe soil rust with the cotton swab that dips in acetone.Effect after Han dynasty colored drawing pottery is repaired is as Figure 15.As shown in Figure 15, before repairing pottery right side, easy damaged colored drawing Han dynasty, the two component FEVE water-based fluororesin aqueous solution of ZB-F600 carries out after pre-treatment, strengthen the sticking power between colored drawing pottery coloured drawing pigment layer and colored drawing pottery body, the phenomenon of avoided in colored drawing pottery surface soil rust carries out scale removal process coloured drawing pigment dry linting, peeling off.
Claims (3)
- The two component FEVE water-based fluororesins of 1.ZB-F600 purposes in pre-treatment before easy damaged colored drawing pottery is repaired, its using method is made up of following step:(1) the two component FEVE water-based fluororesin aqueous solution of preparation ZB-F600It is 2%～6% the aqueous solution that two ZB-F600 component FEVE water-based fluororesins are mixed with to mass concentration;(2) tentatively remove colored drawing pottery surface soil rustReject the soil rust of more easily removing on colored drawing pottery colored drawing surface with bamboo let, the soil layer that retains 2～3mm is not cleared up, and blows away the soil rust of having rejected with rubber pipette bulb;(3) the painted layer pre-treatment of colored drawing potteryClamp absorbent cotton with clip, dip in the two component FEVE water-based fluororesin aqueous solution of ZB-F600, on colored drawing pottery surface soil rust, embrocate the two component FEVE water-based fluororesin aqueous solution of ZB-F600 to being penetrated into colored drawing pottery painted layer, solidify 10～20 minutes, in colored drawing pottery surface soil rust and painted layer, form water-based fluorine cured article;(4) dissolve water-based fluorine cured article in colored drawing pottery surface soil rustClamp absorbent cotton with clip, dip in acetone the water-based fluorine cured article in colored drawing pottery surface soil rust is dissolved, then provoke loosening soil rust with bamboo let, roll and wipe soil rust with the cotton swab that dips in acetone.
- 2. the two component FEVE water-based fluororesins of ZB-F600 according to claim 1 purposes in pre-treatment before easy damaged colored drawing pottery is repaired, it is characterized in that: in the two component FEVE water-based fluororesin aqueous solution steps (1) of preparation ZB-F600, it is 4% the aqueous solution that two ZB-F600 component FEVE water-based fluororesins are mixed with to mass concentration.
- 3. the two component FEVE water-based fluororesins of ZB-F600 according to claim 1 purposes in pre-treatment before easy damaged colored drawing pottery is repaired, it is characterized in that: in the painted layer pre-treatment step (3) of colored drawing pottery, clamp absorbent cotton with clip, dip in the two component FEVE water-based fluororesin aqueous solution of ZB-F600, on colored drawing pottery surface soil rust, embrocate the two component FEVE water-based fluororesin aqueous solution of ZB-F600 to being penetrated into colored drawing pottery painted layer, solidify 15 minutes, in colored drawing pottery surface soil rust and painted layer, form water-based fluorine cured article.
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| CN107056116B (en) * | 2017-05-09 | 2020-03-20 | 贵州筑信达创科技有限公司 | Cinnabar artware raw material powder and preparation method thereof |
| CN115178509A (en) * | 2022-07-11 | 2022-10-14 | 南京博物院 | Sizing material colored drawing cultural relic reinforcement and surface clay cleaning method considering archaeological unearthing |
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