CN114804923A - Repairing method for nixing pottery - Google Patents
Repairing method for nixing pottery Download PDFInfo
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- CN114804923A CN114804923A CN202210166223.XA CN202210166223A CN114804923A CN 114804923 A CN114804923 A CN 114804923A CN 202210166223 A CN202210166223 A CN 202210166223A CN 114804923 A CN114804923 A CN 114804923A
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- 238000000034 method Methods 0.000 title claims abstract description 29
- 238000004140 cleaning Methods 0.000 claims abstract description 69
- 239000000919 ceramic Substances 0.000 claims abstract description 52
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 51
- 239000000853 adhesive Substances 0.000 claims abstract description 50
- 230000001070 adhesive effect Effects 0.000 claims abstract description 50
- 239000000843 powder Substances 0.000 claims abstract description 40
- 239000004576 sand Substances 0.000 claims abstract description 37
- 239000002994 raw material Substances 0.000 claims abstract description 20
- 239000002002 slurry Substances 0.000 claims abstract description 15
- 238000001035 drying Methods 0.000 claims abstract description 13
- 238000005498 polishing Methods 0.000 claims abstract description 13
- 238000011049 filling Methods 0.000 claims abstract description 12
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 55
- 238000003756 stirring Methods 0.000 claims description 19
- 238000010438 heat treatment Methods 0.000 claims description 15
- 239000000463 material Substances 0.000 claims description 15
- 238000002156 mixing Methods 0.000 claims description 13
- 239000002253 acid Substances 0.000 claims description 12
- 230000001680 brushing effect Effects 0.000 claims description 12
- 239000003085 diluting agent Substances 0.000 claims description 12
- 239000003822 epoxy resin Substances 0.000 claims description 12
- 239000012046 mixed solvent Substances 0.000 claims description 12
- 229920000647 polyepoxide Polymers 0.000 claims description 12
- 238000002360 preparation method Methods 0.000 claims description 12
- 239000004952 Polyamide Substances 0.000 claims description 10
- PQZTVWVYCLIIJY-UHFFFAOYSA-N diethyl(propyl)amine Chemical compound CCCN(CC)CC PQZTVWVYCLIIJY-UHFFFAOYSA-N 0.000 claims description 10
- 239000005543 nano-size silicon particle Substances 0.000 claims description 10
- 229920002647 polyamide Polymers 0.000 claims description 10
- 235000012239 silicon dioxide Nutrition 0.000 claims description 10
- 238000001354 calcination Methods 0.000 claims description 8
- 239000012535 impurity Substances 0.000 claims description 8
- 238000010304 firing Methods 0.000 claims description 7
- XEKOWRVHYACXOJ-UHFFFAOYSA-N Ethyl acetate Chemical compound CCOC(C)=O XEKOWRVHYACXOJ-UHFFFAOYSA-N 0.000 claims description 6
- 239000000203 mixture Substances 0.000 claims description 6
- 239000000049 pigment Substances 0.000 claims description 6
- 238000003825 pressing Methods 0.000 claims description 6
- 238000001816 cooling Methods 0.000 claims description 5
- 238000004806 packaging method and process Methods 0.000 claims description 5
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 claims description 4
- 239000000945 filler Substances 0.000 claims description 4
- 238000000227 grinding Methods 0.000 claims description 4
- 238000006386 neutralization reaction Methods 0.000 claims description 4
- 238000007790 scraping Methods 0.000 claims description 4
- 238000007873 sieving Methods 0.000 claims description 4
- MIMDHDXOBDPUQW-UHFFFAOYSA-N dioctyl decanedioate Chemical compound CCCCCCCCOC(=O)CCCCCCCCC(=O)OCCCCCCCC MIMDHDXOBDPUQW-UHFFFAOYSA-N 0.000 claims description 2
- RTZKZFJDLAIYFH-UHFFFAOYSA-N ether Substances CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 claims description 2
- 235000011187 glycerol Nutrition 0.000 claims description 2
- YKYONYBAUNKHLG-UHFFFAOYSA-N n-Propyl acetate Natural products CCCOC(C)=O YKYONYBAUNKHLG-UHFFFAOYSA-N 0.000 claims description 2
- 229940090181 propyl acetate Drugs 0.000 claims description 2
- -1 propylene oxide propylene ether Chemical compound 0.000 claims description 2
- NQPDZGIKBAWPEJ-UHFFFAOYSA-N valeric acid Chemical compound CCCCC(O)=O NQPDZGIKBAWPEJ-UHFFFAOYSA-N 0.000 claims description 2
- 230000007547 defect Effects 0.000 abstract description 3
- 239000004927 clay Substances 0.000 description 6
- 230000000694 effects Effects 0.000 description 3
- 241001408630 Chloroclystis Species 0.000 description 2
- 210000000988 bone and bone Anatomy 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 235000013372 meat Nutrition 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 229910052571 earthenware Inorganic materials 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000003550 marker Substances 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- SWGJCIMEBVHMTA-UHFFFAOYSA-K trisodium;6-oxido-4-sulfo-5-[(4-sulfonatonaphthalen-1-yl)diazenyl]naphthalene-2-sulfonate Chemical compound [Na+].[Na+].[Na+].C1=CC=C2C(N=NC3=C4C(=CC(=CC4=CC=C3O)S([O-])(=O)=O)S([O-])(=O)=O)=CC=C(S([O-])(=O)=O)C2=C1 SWGJCIMEBVHMTA-UHFFFAOYSA-K 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B41/00—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone
- C04B41/80—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone of only ceramics
- C04B41/81—Coating or impregnation
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B41/00—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone
- C04B41/009—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone characterised by the material treated
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B41/00—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone
- C04B41/45—Coating or impregnating, e.g. injection in masonry, partial coating of green or fired ceramics, organic coating compositions for adhering together two concrete elements
- C04B41/50—Coating or impregnating, e.g. injection in masonry, partial coating of green or fired ceramics, organic coating compositions for adhering together two concrete elements with inorganic materials
- C04B41/5025—Coating or impregnating, e.g. injection in masonry, partial coating of green or fired ceramics, organic coating compositions for adhering together two concrete elements with inorganic materials with ceramic materials
- C04B41/5037—Clay, Kaolin
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Adhesives Or Adhesive Processes (AREA)
Abstract
The invention discloses a repairing method for nixing pottery, which adopts two raw materials of pottery powder and an adhesive for repairing, and comprises the following concrete repairing steps: preparing ceramic powder; cleaning a repairing part; preparing a repairing agent according to the requirement: according to the size and the color of sand holes or cracks at the positions to be repaired, ceramic powder and an adhesive are proportioned differently, and different auxiliary toner is added to prepare putty-like slurry serving as a repairing agent; filling the repairing agent prepared in the step (3) into the sand holes or the cracks, and repeatedly filling until the repairing agent is filled; and (5) drying and polishing. According to the repairing method, after the repairing positions are cleaned, the repairing is performed according to different characteristics of different repairing positions, and the corresponding adhesive and the ceramic powder are used, so that the damaged positions can be repaired more than once, the original appearance of nixing pottery can be restored, the market prospect is good, and the defect that the original appearance of ware cannot be restored by the existing repairing method is overcome.
Description
Technical Field
The invention relates to the technical field of manufacturing of nixing ceramics, in particular to a repairing method for the nixing ceramics.
Background
Nixing pottery, specialty product of the Kyowa city of the Guangxi Zhuang autonomous region, China geographical marker product. The earthenware blank is prepared by taking purple red pottery clay which is unique to both banks of east and west of Qinjiao, Guangxi, as a raw material, sealing and storing east clay, taking back west clay, breaking up, dissolving and oxidizing the west clay after being subjected to sunshine and rain over four to six months to achieve a weathered state, breaking up the west clay, and mixing the crushed clay according to a ratio of 4: 6. The east mud is soft and is meat, the west mud is hard and is bone, the bone and the meat are mutually supported and fired by the firing technology of the nixing pottery to form the nixing pottery.
In the firing process of the nixing pottery ware, the problems of sand holes, burning cracks and the like are difficult to avoid under the influence of the body, fire control and other factors. Therefore, the repair of the pottery after firing is important. The existing repairing method of the nixing pottery can only achieve the repairing effect and cannot enable the nixing pottery to achieve the effect of restoring the original appearance, so that the repairing effect is deficient, and therefore the repairing method of the nixing pottery capable of restoring the original appearance of the nixing pottery is provided.
Disclosure of Invention
The invention aims to provide a repairing method for nixing ceramics, which solves the problems in the background art.
In order to achieve the purpose, the invention provides the following technical scheme:
a repairing method for nixing pottery adopts two raw materials of pottery powder and an adhesive for repairing, and comprises the following concrete repairing steps:
(1) and preparing ceramic powder: selecting nixing pottery mud as a raw material, calcining, grinding into powder, and sieving to prepare pottery powder for later use;
(2) and cleaning a repaired part: cleaning a to-be-repaired position of the nixing pottery, cleaning the to-be-repaired position, wherein the to-be-repaired damage position comprises sand holes or cracks generated by firing the nixing pottery, brushing out impurities by using a brush, and cleaning by using a cleaning solution;
(3) preparing a repairing agent according to the requirement: according to the size and the color of sand holes or cracks at the positions to be repaired, ceramic powder and an adhesive are proportioned differently, and different auxiliary toner is added to prepare putty-like slurry serving as a repairing agent;
(4) and a filler: filling the mending agent prepared in the step (3) into the sand holes or cracks, and repeatedly filling until the mending agent is filled;
(5) and drying and polishing: and (4) placing the nixing pottery filled with the repairing agent in the step (4) in a shade place, naturally drying for 3-5h, and polishing the surface of the repaired part by using a polishing tool or manually after drying to ensure that the repaired part is consistent with the nixing pottery per se, thereby completing the repairing operation.
As a further scheme of the invention: when selecting nixing pottery mud materials in the step (1): firstly, confirming mud materials adopted by nixing ceramics to be repaired, wherein the nixing ceramic mud materials for repairing are consistent with the nixing ceramic mud materials to be repaired; and secondly, collecting the nixing pottery calcining process flow to be repaired, so that the preparation processes of the nixing pottery pug for repairing and the nixing pottery pug to be repaired are kept consistent.
As a still further scheme of the invention: the specific steps of the cleaning to be repaired in the step (2) are as follows:
firstly, brushing out larger impurities by using a brush, then cleaning by using an acid cleaning solution for 3-5min, cleaning by using an acid cleaning solution and then washing by using an alkaline cleaning solution for neutralization for 5-6min, then brushing or scraping stains which are not washed away by using a brush or a blade, and finally cleaning by using the acid cleaning solution and the alkaline cleaning solution in sequence, wherein the cleaning time is consistent with that of the first cleaning until the repaired part is completely cleaned;
as a still further scheme of the invention: the concrete proportion of the repairing agent in the step (3) is as follows:
A. the diameter of the sand hole or the width of the crack is more than 2 mm: the ratio of the ceramic powder to the adhesive is 10:6-7, the auxiliary toner is determined according to the color of the repaired part, and the auxiliary toner is actually ceramic pigment;
B. the diameter of the sand hole or the width of the crack is not more than 2 mm: the ratio of the ceramic powder to the adhesive is 10:2-3, and the auxiliary toner is determined according to the color of the repaired part, and the auxiliary toner is actually ceramic pigment.
As a still further scheme of the invention: preparing the repairing agent in the step (3): the ceramic powder and the adhesive which are proportioned are selected to be added into a stirring container, the ceramic powder is added firstly, the adhesive is added in batches, the mixture is added after the previous mixture is uniformly mixed until the mixture is stirred to be in a viscous slurry state, and finally the auxiliary toner is added and uniformly mixed again to prepare the repairing agent.
As a still further scheme of the invention: in the step (4), different filling modes are adopted for the sand holes or cracks with different sizes:
A. the diameter of the sand hole or the width of the crack is more than 2 mm: smearing the repairing agent of the mud slurry on a repaired position by using a smearing tool, applying pressure on a contact surface, smearing again, continuously applying pressure until sand holes or cracks are filled, and cleaning the surface of the nixing pottery;
B. the diameter of the sand hole or the width of the crack is not more than 2 mm: injecting the mending agent of the mud slurry into the sand hole or the crack by using a needle cylinder, erasing the overflowing mending agent, then injecting the mending agent again, erasing and circularly performing till the sand hole or the crack is filled.
In addition, the invention also provides an adhesive for preparing the repairing agent, which is prepared from the following raw materials in parts by weight: 300 parts of modified epoxy resin 200-60 parts, polyamide 30-60 parts, diethyl propylamine 50-80 parts, nano silicon dioxide 10-15 parts, mixed solvent 60-100 parts and diluent 20-30 parts.
As a further scheme of the invention: the mixed solvent in the adhesive is one or a combination of two of ethyl acetate and propyl acetate; the diluent is one or more of propylene oxide propylene ether, glycerin epoxy resin or dioctyl sebacate.
The invention also provides a preparation method of the adhesive, and the preparation method comprises the following steps:
(1) firstly, preparing raw materials according to the components, then putting polyamide, diethyl propylamine and nano silicon dioxide into a container, heating, stirring and mixing for 1-2h, and keeping the temperature at 40-50 ℃;
(2) adding the modified epoxy resin into a container, continuously stirring and mixing, adding a mixed solvent and a diluent, heating, and slowly heating to 60-75 ℃;
(3) keeping the temperature and stirring continuously to ensure that the components are fully mixed and reacted, keeping the temperature at 70 ℃, keeping the temperature for 0.5-1h, then cooling, taking out and packaging to obtain the required adhesive.
Compared with the prior art, the invention has the beneficial effects that:
according to the repairing method, after the repairing positions are cleaned, the repairing is performed according to different characteristics of different repairing positions, and the corresponding adhesive and the ceramic powder are used, so that the damaged positions can be repaired more than once, the original appearance of nixing pottery can be restored, the market prospect is good, and the defect that the original appearance of ware cannot be restored by the existing repairing method is overcome.
Detailed Description
The technical solution of the present invention will be described in further detail with reference to specific embodiments.
Example 1
A repairing method for nixing pottery adopts two raw materials of pottery powder and an adhesive for repairing, and comprises the following concrete repairing steps:
(1) and preparing ceramic powder: selecting nixing pottery mud as a raw material, calcining, grinding into powder, and sieving to prepare pottery powder for later use;
when selecting nixing pottery mud materials: firstly, confirming mud materials adopted by nixing ceramics to be repaired, wherein the nixing ceramic mud materials for repairing are consistent with the nixing ceramic mud materials to be repaired; secondly, collecting nixing pottery calcining process flows to be repaired, so that the preparation processes of the nixing pottery pugs for repairing and the nixing pottery pugs to be repaired are kept consistent;
(2) and cleaning a repaired part: cleaning a to-be-repaired position of the nixing pottery, cleaning the to-be-repaired position, wherein the to-be-repaired damage position comprises sand holes or cracks generated by firing the nixing pottery, brushing out impurities by using a brush, and cleaning by using a cleaning solution;
the method comprises the following specific steps: firstly, brushing out larger impurities by using a brush, then cleaning by using an acid cleaning solution for 3min, cleaning by using an alkaline cleaning solution after cleaning by using the acid cleaning solution for neutralization for 5min, then brushing or scraping stains which are not washed away by using a brush or a blade, and finally cleaning by using the acid cleaning solution and the alkaline cleaning solution in sequence, wherein the cleaning time is consistent with that of the first cleaning until a repairing part is thoroughly cleaned;
(3) preparing a repairing agent according to the requirement: according to the size and the color of sand holes or cracks at the positions to be repaired, ceramic powder and an adhesive are proportioned differently, and different auxiliary toner is added to prepare putty-like slurry serving as a repairing agent;
the diameter of the sand hole or the width of the crack is more than 2 mm: the ratio of the ceramic powder to the adhesive is 10:6-7, the auxiliary toner is determined according to the color of the repaired part, and the auxiliary toner is actually ceramic pigment;
preparation of the repairing agent: adding ceramic powder and an adhesive which are well proportioned into a stirring container, adding the ceramic powder and the adhesive in batches, adding the adhesive after the adhesive is uniformly mixed in the previous time until the adhesive is stirred into a viscous slurry state, adding auxiliary toner, and uniformly mixing again to prepare a repairing agent;
(4) and a filler: filling the mending agent prepared in the step (3) into the sand holes or cracks, and repeatedly filling until the mending agent is filled;
the diameter of the sand hole or the width of the crack is more than 2 mm: smearing the repairing agent of the mud slurry on a repaired position by using a smearing tool, applying pressure on a contact surface, smearing again, continuously applying pressure until sand holes or cracks are filled, and cleaning the surface of the nixing pottery;
(5) and drying and polishing: and (4) placing the nixing pottery filled with the repairing agent in the step (4) in a shade place, naturally drying for 3 hours, and polishing the surface of the repaired part by using a polishing tool or manually after drying to ensure that the repaired part is consistent with the nixing pottery per se, thereby completing the repairing operation.
Example 2
A repairing method for nixing pottery adopts two raw materials of pottery powder and an adhesive for repairing, and comprises the following concrete repairing steps:
(1) and preparing ceramic powder: selecting nixing pottery mud as a raw material, calcining, grinding into powder, and sieving to prepare pottery powder for later use;
when selecting nixing pottery mud materials: firstly, confirming mud materials adopted by nixing ceramics to be repaired, wherein the nixing ceramic mud materials for repairing are consistent with the nixing ceramic mud materials to be repaired; secondly, collecting nixing pottery calcination technological processes to be repaired, so that preparation technologies of the nixing pottery pug for repairing and the nixing pottery pug to be repaired are consistent;
(2) and cleaning a repaired part: cleaning a to-be-repaired position of the nixing pottery, cleaning the to-be-repaired position, wherein the to-be-repaired damage position comprises sand holes or cracks generated by firing the nixing pottery, brushing out impurities by using a brush, and cleaning by using a cleaning solution;
the method comprises the following specific steps: firstly, brushing out larger impurities by using a brush, then cleaning by using an acid cleaning solution for 5min, cleaning by using an alkaline cleaning solution after cleaning by using the acid cleaning solution for neutralization for 6min, then brushing or scraping stains which are not washed away by using a brush or a blade, and finally cleaning by using the acid cleaning solution and the alkaline cleaning solution in sequence, wherein the cleaning time is consistent with that of the first cleaning until a repairing part is thoroughly cleaned;
(3) preparing a repairing agent according to the requirement: according to the size and the color of sand holes or cracks at the positions to be repaired, ceramic powder and an adhesive are proportioned differently, and different auxiliary toner is added to prepare putty-like slurry serving as a repairing agent;
the diameter of the sand hole or the width of the crack is not more than 2 mm: the ratio of the ceramic powder to the adhesive is 10:2-3, the auxiliary toner is determined according to the color of the repaired part, and the auxiliary toner is actually a ceramic pigment;
preparation of the repairing agent: adding ceramic powder and an adhesive which are well proportioned into a stirring container, adding the ceramic powder and the adhesive in batches, adding the adhesive after the adhesive is uniformly mixed in the previous time until the adhesive is stirred into a viscous slurry state, adding auxiliary toner, and uniformly mixing again to prepare a repairing agent;
(4) and a filler: filling the mending agent prepared in the step (3) into the sand holes or cracks, and repeatedly filling until the mending agent is filled;
the diameter of the sand hole or the width of the crack is not more than 2 mm: injecting a mending agent of the mud slurry into the sand hole or the crack by using a needle cylinder, erasing the overflowing mending agent, then injecting the mending agent again, erasing and circularly performing till the sand hole or the crack is filled;
(5) and drying and polishing: and (4) placing the nixing pottery filled with the repairing agent in the step (4) in a shade place, naturally drying for 5 hours, and polishing the surface of the repaired part by using a polishing tool or manually after drying to ensure that the repaired part is consistent with the nixing pottery per se, thereby completing the repairing operation.
Example 3
The invention provides an adhesive for preparing a repairing agent in embodiment 1 and embodiment 2, which specifically comprises the following raw materials: 200 parts of modified epoxy resin, 30 parts of polyamide, 50 parts of diethyl propylamine, 10 parts of nano silicon dioxide, 60 parts of mixed solvent and 20 parts of diluent.
The preparation method comprises the following steps:
(1) firstly, preparing raw materials according to the components, then putting polyamide, diethyl propylamine and nano silicon dioxide into a container, heating, stirring and mixing for 1h, and keeping the temperature at 50 ℃;
(2) adding the modified epoxy resin into a container, continuously stirring and mixing, adding a mixed solvent and a diluent, heating, and slowly heating to 60 ℃;
(3) keeping the temperature and continuing stirring to ensure that the components are fully mixed and reacted, keeping the temperature at 70 ℃, keeping the temperature for 0.5h, then cooling, taking out and packaging to obtain the required adhesive.
Example 4
The invention provides an adhesive for preparing a repairing agent in embodiment 1 and embodiment 2, which specifically comprises the following raw materials: 260 parts of modified epoxy resin, 50 parts of polyamide, 60 parts of diethyl propylamine, 12 parts of nano silicon dioxide, 70 parts of mixed solvent and 25 parts of diluent.
The preparation method comprises the following steps:
(1) firstly, preparing raw materials according to the components, then putting polyamide, diethyl propylamine and nano silicon dioxide into a container, heating, stirring and mixing for 1.5h, and keeping the temperature at 45 ℃;
(2) adding the modified epoxy resin into a container, continuously stirring and mixing, adding a mixed solvent and a diluent, heating, and slowly heating to 70 ℃;
(3) keeping the temperature and continuing stirring to ensure that the components are fully mixed and reacted, keeping the temperature at 70 ℃, keeping the temperature for 0.8h, then cooling, taking out and packaging to obtain the required adhesive.
Example 5
The invention provides an adhesive for preparing a repairing agent in embodiment 1 and embodiment 2, which specifically comprises the following raw materials: 300 parts of modified epoxy resin, 60 parts of polyamide, 80 parts of diethyl propylamine, 15 parts of nano silicon dioxide, 100 parts of mixed solvent and 30 parts of diluent.
The preparation method comprises the following steps:
(1) firstly, preparing raw materials according to the components, then putting polyamide, diethyl propylamine and nano silicon dioxide into a container, heating, stirring and mixing for 2 hours, and keeping the temperature at 50 ℃;
(2) adding the modified epoxy resin into a container, continuously stirring and mixing, adding a mixed solvent and a diluent, heating, and slowly heating to 75 ℃;
(3) keeping the temperature and continuing stirring to ensure that the components are fully mixed and reacted, keeping the temperature at 70 ℃, keeping the temperature for 1h, then cooling, taking out and packaging to obtain the required adhesive.
According to the repairing method, after the repairing positions are cleaned, the repairing is performed according to different characteristics of different repairing positions, and the corresponding adhesive and the ceramic powder are used, so that the damaged positions can be repaired more than once, the original appearance of nixing pottery can be restored, the market prospect is good, and the defect that the original appearance of ware cannot be restored by the existing repairing method is overcome.
While the preferred embodiments of the present invention have been described in detail, the present invention is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present invention within the knowledge of those skilled in the art.
Claims (10)
1. The repairing method for the nixing pottery is characterized in that the nixing pottery is repaired by adopting two raw materials of pottery powder and an adhesive, and the concrete repairing steps are as follows:
(1) and preparing ceramic powder: selecting nixing pottery mud as a raw material, calcining, grinding into powder, and sieving to prepare pottery powder for later use;
(2) and cleaning a repaired part: cleaning a to-be-repaired position of the nixing pottery, cleaning the to-be-repaired position, wherein the to-be-repaired damage position comprises sand holes or cracks generated by firing the nixing pottery, brushing out impurities by using a brush, and cleaning by using a cleaning solution;
(3) preparing a repairing agent according to the requirement: according to the size and the color of sand holes or cracks at the positions to be repaired, ceramic powder and an adhesive are proportioned differently, and different auxiliary toner is added to prepare putty-like slurry serving as a repairing agent;
(4) and a filler: filling the mending agent prepared in the step (3) into the sand holes or cracks, and repeatedly filling until the mending agent is filled;
(5) and drying and polishing: and (4) placing the nixing pottery filled with the repairing agent in the step (4) in a shade place, naturally drying for 3-5h, and polishing the surface of the repaired part by using a polishing tool or manually after drying to ensure that the repaired part is consistent with the nixing pottery per se, thereby completing the repairing operation.
2. The repairing method for nixing ceramics as recited in claim 1, wherein in the step (1), nixing ceramics pug is selected by: firstly, confirming mud materials adopted by nixing ceramics to be repaired, wherein the nixing ceramic mud materials for repairing are consistent with the nixing ceramic mud materials to be repaired; and secondly, collecting the nixing pottery calcining process flow to be repaired, so that the preparation processes of the nixing pottery pug for repairing and the nixing pottery pug to be repaired are kept consistent.
3. The repairing method for nixing pottery as recited in claim 1, wherein the specific steps of cleaning the to-be-repaired in the step (2) are as follows:
firstly, brushing out larger impurities by using a brush, then cleaning by using an acid cleaning solution for 3-5min, cleaning by using an acid cleaning solution and then cleaning by using an alkaline cleaning solution for neutralization for 5-6min, then brushing or scraping the stains which are not cleaned by using a brush or a blade, and finally cleaning by using the acid cleaning solution and the alkaline cleaning solution in sequence, wherein the cleaning time is consistent with the first cleaning until the repaired part is completely cleaned.
4. The repairing method for nixing ceramics as recited in claim 1, wherein the concrete ratio of the repairing agent in the step (3) is as follows:
A. the diameter of the sand hole or the width of the crack is more than 2 mm: the ratio of the ceramic powder to the adhesive is 10:6-7, the auxiliary toner is determined according to the color of the repaired part, and the auxiliary toner is actually ceramic pigment;
B. the diameter of the sand hole or the width of the crack is not more than 2 mm: the ratio of the ceramic powder to the adhesive is 10:2-3, and the auxiliary toner is determined according to the color of the repaired part, and the auxiliary toner is actually ceramic pigment.
5. The repairing method for nixing ceramics as recited in claim 1, wherein the preparing of the repairing agent in the step (3): the ceramic powder and the adhesive which are proportioned are selected to be added into a stirring container, the ceramic powder is added firstly, the adhesive is added in batches, the mixture is added after the previous mixture is uniformly mixed until the mixture is stirred to be in a viscous slurry state, and finally the auxiliary toner is added and uniformly mixed again to prepare the repairing agent.
6. The repairing method for nixing pottery as recited in claim 1, wherein different filling manners are adopted for different sizes of voids or cracks in the step (4):
A. the diameter of the sand hole or the width of the crack is more than 2 mm: smearing the repairing agent of the mud slurry on a repaired position by using a smearing tool, applying pressure on a contact surface, smearing again, continuously applying pressure until sand holes or cracks are filled, and cleaning the surface of the nixing pottery;
B. the diameter of the sand hole or the width of the crack is not more than 2 mm: injecting the mending agent of the mud slurry into the sand hole or the crack by using a needle cylinder, erasing the overflowing mending agent, then injecting the mending agent again, erasing and circularly performing till the sand hole or the crack is filled.
7. An adhesive used for preparing the repairing agent as claimed in claim 1, which specifically comprises the following raw materials: 300 parts of modified epoxy resin 200-60 parts, polyamide 30-60 parts, diethyl propylamine 50-80 parts, nano silicon dioxide 10-15 parts, mixed solvent 60-100 parts and diluent 20-30 parts.
8. The adhesive according to claim 7, wherein the mixed solvent in the adhesive is one or a combination of two of ethyl acetate and propyl acetate.
9. The adhesive according to claim 7, wherein the diluent is one or more selected from propylene oxide propylene ether, glycerin epoxy resin, and dioctyl sebacate.
10. The preparation method of the adhesive, which is used for preparing the adhesive of claim 7, comprises the following specific steps:
(1) firstly, preparing raw materials according to the components, then putting polyamide, diethyl propylamine and nano silicon dioxide into a container, heating, stirring and mixing for 1-2h, and keeping the temperature at 40-50 ℃;
(2) adding the modified epoxy resin into a container, continuously stirring and mixing, adding a mixed solvent and a diluent, heating, and slowly heating to 60-75 ℃;
(3) keeping the temperature and stirring continuously to ensure that the components are fully mixed and reacted, keeping the temperature at 70 ℃, keeping the temperature for 0.5-1h, then cooling, taking out and packaging to obtain the required adhesive.
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