CN110204298A - A kind of ground polymers base stone cultural artifact repair materials and the preparation method and application thereof - Google Patents
A kind of ground polymers base stone cultural artifact repair materials and the preparation method and application thereof Download PDFInfo
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- CN110204298A CN110204298A CN201910491874.4A CN201910491874A CN110204298A CN 110204298 A CN110204298 A CN 110204298A CN 201910491874 A CN201910491874 A CN 201910491874A CN 110204298 A CN110204298 A CN 110204298A
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- 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
- C04B28/00—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
- C04B28/24—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing alkyl, ammonium or metal silicates; containing silica sols
- C04B28/26—Silicates of the alkali metals
-
- 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
- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/72—Repairing or restoring existing buildings or building materials
-
- 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
- C04B2201/00—Mortars, concrete or artificial stone characterised by specific physical values
- C04B2201/50—Mortars, concrete or artificial stone characterised by specific physical values for the mechanical strength
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P40/00—Technologies relating to the processing of minerals
- Y02P40/10—Production of cement, e.g. improving or optimising the production methods; Cement grinding
Abstract
The invention belongs to historical relic's protection fields, disclose a kind of ground polymers base stone cultural artifact repair materials and the preparation method and application thereof.The repair materials include the component A and B component that mass ratio is 10:1~1:1；Component A is composed of the following parts by weight: 15-80 parts of ground oligomer gel substrate, 10-40 parts of Rock Powder, 5-60 parts of river sand, 2-15 parts of cracking resistance auxiliary agent；B component is composed of the following parts by weight: 45-90 parts of alkali-activator, solidification adjusting control agent 0-10 parts, 0-3 parts of interface modifier, 0-8 parts of rheology modifier, 8-50 parts of water.The characteristics of present invention is according to different geographical stone cultural artifact, by Rock Powder and solidify the use of adjusting control agent, so that described chemical composition, mechanical property, microstructure of ground polymers base mortar etc. can be close with stone cultural artifact, reach the design requirement of historical relic repair materials " minimum of interference ".
Description
Technical field
The invention belongs to historical relic's protection field, polymers base stone cultural artifact repair materials and its preparation side in particular to a kind ofly
Method and application.
Background technique
Stone cultural artifact occupies great ratio in all kinds of historical relics in China, these historical relics in the long-term history years by
Operation of nature destroys serious.From the cliff painting stone implement of the Stone Age, to the rock cave statue in successive dynasties, through building pinnacle, memorial archway stone bridge, stone
Upright stone tablet, stone carving, stone inscription and all kinds of rocky ancient buildings etc., are largely exposed in nature environment, for a long time by ultraviolet irradiation, acid
The destruction of the natural causes such as rain, bioerosion and occur weathering, crack, it is broken, fracture etc. diseases.Protection to stone cultural artifact and
Reparation is the key that the bright cultural continuity in China, is of great significance.
The high molecular materials such as epoxy resin are led due to its excellent adhesive property and repairing effect in repairing stone relics
It is widely studied in domain.However epoxy resin is easy to turn yellow in the sun, and solidifies irreversible, easy change historical relic original appearance,
Its use is the pollution to historical relic.According to " Chinese cultural relics paleovolcanic structure criterion ", historical relic's protection material, which has to comply with, " not to be changed
The principles such as historical relic original state ", " material minimum of interference ".Therefore, the high molecular materials such as epoxy resin use in historical relic's protection reparation
Become careful.
The air-setting repair materials of lime and the hydraulicity repair materials of silicates belong to inorganic material.With it is organic
High molecular material compare, their chemical composition, mechanical property, microscopic appearance etc. are more like with stone cultural artifact, more meet " material
Expect minimum of interference principle ".However the adhesion strength of traditional inorganic historical relic repair materials is weaker, dimensional stability is bad, therefore
Its final repairing effect is far away from high molecular material.
Ground polymers is a kind of novel high-performance inorganic material, it possesses the bonded structure of unique similar polymer.So
Unlike and, polymer material is with the interconnection of C-C key, and ground polymers is interconnected to four with Si-O key or Al-O key
The structure of face body.Compared with the inorganic historical relic repair materials of tradition, it be similar to high molecular material have excellent adhesion strength and
While dimensional stability；Compared with high molecular material, its chemical composition, mechanical property etc. are close with stone cultural artifact, meet
" material minimum of interference principle ".In particular, polymers unique chemical bonding structure in ground is in Pyramids, ancient Roman's colosseum etc.
It can be detected in large-scale stone cultural artifact, it was demonstrated that in ancient times, ground polymers is either intentionally or unintentionally applied to large-scale Shi Zhijian
In the construction and reparation built.Because this place polymers has good development prospect in the reparation field of stone cultural artifact.
Summary of the invention
In order to overcome the shortcomings and deficiencies of the prior art described above, the primary purpose of the present invention is that providing a kind of ground polymers base
Repairing stone relics material.
Another object of the present invention is to provide the preparation method of above-mentioned ground polymers base stone cultural artifact repair materials.
Still a further object of the present invention is to provide the application of above-mentioned ground polymers base stone cultural artifact repair materials.
The purpose of the present invention is realized by following proposal:
A kind of ground polymers base stone cultural artifact repair materials comprising component A and B component, the wherein matter of component A and B component
Amount is than being 10:1~1:1；
The component A is composed of the following parts by weight:
The B component is composed of the following parts by weight:
The ground oligomer gel substrate is including clay, illitic soil, kaolin, partially with the active material of alkali-activated carbonatite
At least one of kaolin, diatomite, red mud.
The Rock Powder is at least one of limestone powder, sandstone powder, mud stone powder, conglomerate powder.
The cracking resistance auxiliary agent is bamboo pulp fiber, ramie pulp fiber, acid fiber by polylactic, chitin fiber, alginate fibre, soybean
At least one of azelon, silkworm protein fiber.
The alkali-activator is at least one of sodium silicate, potassium water glass.The sodium silicate or potassium water glass
Modulus be 1.0-3.3.
The solidification adjusting control agent is at least one of alkali metal oxide, alkali metal hydroxide；Wherein, described
Alkali metal oxide can be at least one of calcium oxide, magnesia；The alkali metal hydroxide can be sodium hydroxide, hydrogen
At least one of potassium oxide, calcium hydroxide.
The interface modifier is sophorolipid, seaweed glycolipid, rhamnolipid, rosin soap, sodium abietate, lignin sulfonic acid
At least one of sodium, calcium lignosulfonate.
The rheology modifier be water soluble polymer, wherein the water soluble polymer be guar gum, xanthan gum,
At least one of carragheen, sodium alginate, soybean protein glue, starch.
A kind of preparation method of above-mentioned ground polymers base stone cultural artifact repair materials, it is characterised in that the following steps are included:
(1) by the ground oligomer gel substrate of 15-80 parts by weight, the Rock Powder of 10-40 parts by weight, 5-60 parts by weight river sand
It is mixed evenly with the cracking resistance auxiliary agent of 2-15 parts by weight, obtains component A；
(2) by the alkali-activator of 45-90 parts by weight, the solidification adjusting control agent of 0-10 parts by weight, the interface modification of 0-3 parts by weight
The water of agent, the rheology modifier of 0-8 parts by weight, 8-50 parts by weight is mixed evenly, and obtains B component；
(3) it is that (10:1)~(1:1) room temperature is mixed evenly according to weight ratio by component A, B component, obtains ground polymers
Base stone cultural artifact repair materials.
Above-mentioned ground polymers base stone cultural artifact repair materials can be applied to the consolidation by grouting of stone cultural artifact, vertex-gluing graph, table
The recovery projects such as face closure；Especially in the indoor and outdoors stone such as stone image, palisades picture, ancient tomb upright stone tablet, the Cave Temple, stone column, pinnacle, ancient building
The historical relics recovery projects such as consolidation by grouting, vertex-gluing graph, the surface closure of matter historical relic.
The present invention is directed to the problems of conventional repairing stone relics material, comprising: " pollution problem " of organic material
And adhesion strength, the dimensional stability problems of inorganic material (cement-based material, lime material), it is with novel ground polymers sill
Foundation development repairing stone relics material.Meanwhile compared with routinely polymers sill, the present invention is for stone cultural artifact weathering speed
The obvious typical regional characters of degree, by Rock Powder, local river sand compounding and solidify the use of adjusting control agent, simulation locality Shi Zhiwen
The chemical composition and microstructure of object are realized " material minimum of interference principle ", while the use of interface modifier and river sand also can
Ground polymers sill dimensional stability is further increased, guarantees material repairing effect；Importantly, based on " historical relic is not changed
Original state " principle, the present invention are selected and are formulated by raw material to adjust, and material weathering speed and historical relic are close, guarantee repair materials with
Stone cultural artifact " same to service life ".
The present invention compared with the existing technology, have the following advantages and the utility model has the advantages that
(1) ground of the present invention polymers base stone cultural artifact repair materials are based on inorganic material, organic additive and text
Object all has good concertedness, avoids the problem of traditional organic material pollutes stone cultural artifact.
(2) ground of the present invention polymers base stone cultural artifact repair materials have excellent adhesion strength, good size
Stability, repairing effect are excellent.
(3) the characteristics of present invention is according to different geographical stone cultural artifact by Rock Powder and solidifies the use of adjusting control agent, so that
Described chemical composition, mechanical property, microstructure of ground polymers base mortar etc. can be close with stone cultural artifact, reach historical relic and repair
The design requirement of multiple material " minimum of interference ".
Specific embodiment
Below with reference to embodiment, the present invention is described in further detail, and embodiments of the present invention are not limited thereto.
Agents useful for same can routinely be bought unless otherwise specified from market in embodiment.It is raw materials used to meet " original nearby
Then ", the regulation for simplifying repair materials, is easier to reach " material minimum of interference principle ".
Embodiment 1
By the clay of 44.4 parts by weight, the sandstone powder of 18.1 parts by weight, the river sand of 28.3 parts by weight, the fiber crops of 5.4 parts by weight
The soybean fiber of pulp fibres, 3.8 parts by weight is uniformly mixed to obtain component A；By the sodium silicate (modulus of 45.0 parts by weight
2.0), 3.6 parts by weight calcium hydroxide, the rosin soap of 0.8 parts by weight, the sodium alginate of 6.6 parts by weight, the OK a karaoke club of 1.4 parts by weight
B component is mixed evenly to obtain in glue, the water of 42.6 parts by weight.Component A, B component are mixed by the weight ratio of 8:1 and stirred when use
It mixes and uniformly obtains ground polymers base stone cultural artifact repair materials.
Embodiment 2
By the illitic soil of 65.2 parts by weight, the conglomerate powder of 10.0 parts by weight, the river sand of 16.9 parts by weight, 3.3 parts by weight
The alginate fibre of bamboo pulp fiber, 4.6 parts by weight is uniformly mixed to obtain component A；By the sodium silicate (modulus 3.3) of 50.5 parts by weight,
The calcium oxide of 7.4 parts by weight, the magnesia of 2.6 parts by weight, the calcium lignosulfonate of 3.0 parts by weight, the xanthan of 1.8 parts by weight
B component is mixed evenly to obtain in glue, the water of 34.7 parts by weight.Component A, B component are mixed by the weight ratio of 4:1 and stirred when use
It mixes and uniformly obtains ground polymers base stone cultural artifact repair materials.
Embodiment 3
By the metakaolin of 18.6 parts by weight, the diatomite of 38.3 parts by weight, the limestone powder of 13.2 parts by weight, 5.0 weights
The river sand of part is measured, the soybean fiber of the acid fiber by polylactic of 12.2 parts by weight, 2.7 parts by weight is uniformly mixed to obtain component A；By 60
The potassium water glass (modulus 1.5) of parts by weight, the sodium hydroxide of 6.7 parts by weight, the sodium lignin sulfonate of 2.4 parts by weight, 2.4 weight
B component is mixed evenly to obtain in the xanthan gum of part, the water of 28.5 parts by weight.Component A, B component are pressed to the weight ratio of 6:1 when use
Example is mixed evenly to obtain ground polymers base stone cultural artifact repair materials.
Embodiment 4
By the metakaolin of 33.2 parts by weight, the red mud of 46.8 parts by weight, the sandstone powder of 10.0 parts by weight, 5.2 parts by weight
River sand, the silkworm protein fibers of 4.8 parts by weight is uniformly mixed to obtain component A；By the sodium silicate (modulus of 55.1 parts by weight
2.7), the calcium hydroxide of 4.2 parts by weight, the sophorolipid of 2.7 parts by weight, the sodium lignin sulfonate of 0.3 parts by weight, 0.6 parts by weight
Guar gum, the starch of 1.1 parts by weight, B component is mixed evenly to obtain in the water of 36.0 parts by weight.By component A, B when use
Component is mixed evenly to obtain ground polymers base stone cultural artifact repair materials by the weight ratio of 2:1.
Embodiment 5
By the kaolin of 15.0 parts by weight, the mud stone powder of 17.4 parts by weight, the river sand of 60.0 parts by weight, 5.1 parts by weight
The alginate fibre of ramie pulp fiber, 2.5 parts by weight is uniformly mixed to obtain component A；By the sodium silicate (modulus 1.1) of 58.5 parts by weight,
1.4 parts by weight potassium hydroxide, the magnesia of 1.7 parts by weight, the sodium abietate of 2.4 parts by weight, the sodium alginate of 7.3 parts by weight,
B component is mixed evenly to obtain in the water of 28.7 parts by weight.Component A, B component are mixed by the weight ratio of 3:1 when use
Uniformly obtain ground polymers base stone cultural artifact repair materials.
Embodiment 6
By the metakaolin of 21.6 parts by weight, the illitic soil of 38.1 parts by weight, the sandstone powder of 16.6 parts by weight, 18.4 weight
The chitin fiber of the river sand of part, 6.5 parts by weight is uniformly mixed to obtain component A；By the sodium silicate (modulus of 46.3 parts by weight
1.4), the potassium hydroxide of 1.6 parts by weight, the rhamnolipid of 0.6 parts by weight, the guar gum of 0.3 parts by weight, 50.0 parts by weight
B component is mixed evenly to obtain in water.Component A, B component are mixed evenly to gather with obtaining by the weight ratio of 1:1 when use
Object base stone cultural artifact repair materials.
Embodiment 7
By the clay of 12.1 parts by weight, the illitic soil of 5.3 parts by weight, the limestone powder of 40.0 parts by weight, 31.2 parts by weight
River sand, the alginate fibre of 9.6 parts by weight, the silkworm protein fibers of 1.8 parts by weight is uniformly mixed to obtain component A；By 56.2 weight
The potassium water glass (modulus 1.0) of part, the sodium hydroxide of 6.3 parts by weight, the seaweed glycolipid of 2.7 parts by weight, the shallow lake of 2.1 parts by weight
B component is mixed evenly to obtain in powder, the water of 32.7 parts by weight.Component A, B component are mixed by the weight ratio of 4:1 and stirred when use
It mixes and uniformly obtains ground polymers base stone cultural artifact repair materials.
Embodiment 8
By the illitic soil of 23.4 parts by weight, the red mud of 23.4 parts by weight, the mud stone powder of 11.2 parts by weight, 40.0 parts by weight
The silkworm protein fiber of river sand, the acid fiber by polylactic of 1.3 parts by weight, 0.7 parts by weight is uniformly mixed to obtain component A；By 90.0 weight
The potassium water glass (modulus 3.1) of part, the calcium oxide of 0.4 amount part, the seaweed glycolipid of 0.2 parts by weight, the soybean protein of 1.4 parts by weight
B component is mixed evenly to obtain in glue, the water of 8.0 parts by weight.Component A, B component are mixed by the weight ratio of 10:1 and stirred when use
It mixes and uniformly obtains ground polymers base stone cultural artifact repair materials.
The partial properties parameter for the ground polymers base stone cultural artifact repair materials that Examples 1 to 8 is prepared is as shown in table 1.
The partial properties parameter list of the ground obtained 1 embodiment 1-8 of table polymers base stone cultural artifact repair materials
Remarks:
A testing substrates: sand rock plate.
B reference standard: GB/T 17146-2015 " construction material and its product water vapo(u)r transmission energy test method " is surveyed
The water vapour transit dose of test material material, units/kg/(sm2)；Evaluation criterion: (sampling is in Ba-Shu area large size Shi Zhiwen with sandstone
Object scene) it compares, drop-out value is chosen as excellent less than 10%；Drop-out value is chosen as good for 10%~20%；Drop-out value be 20%~
30% is chosen as；Drop-out value is greater than 30% and illustrates that gas permeability is bad, is chosen as difference.
C solidification point: -15 DEG C, 4h；Immersion is melted；Circulation 15 times.Freeze thawing resistance-pressure loss=(pressure resistance before freeze thawing
Compression strength after degree-freeze thawing) compression strength × 100% before/freeze thawing.
As benchmark, natural drying disposed within measures its length after 28 days, and counts length when d is using material release
Calculate its contract with dry rate.
From table 1 it follows that ground polymers sill compression strength, gas permeability, freeze thawing test result and sandstone are closer,
Testimonial material " material minimum of interference principle ", and material and stone cultural artifact weathering speed are closer；Adhesive strength is bigger, it was demonstrated that material
Expect that repairing effect is better；Contract with dry rate is smaller, it was demonstrated that dimension stability is better.
The above embodiment is a preferred embodiment of the present invention, but embodiments of the present invention are not by above-described embodiment
Limitation, other any changes, modifications, substitutions, combinations, simplifications made without departing from the spirit and principles of the present invention,
It should be equivalent substitute mode, be included within the scope of the present invention.
Claims (10)
1. a kind of ground polymers base stone cultural artifact repair materials, it is characterised in that including component A and B component, wherein component A and B group
The mass ratio divided is 10:1~1:1；
The component A is composed of the following parts by weight:
The B component is composed of the following parts by weight:
2. ground according to claim 1 polymers base stone cultural artifact repair materials, it is characterised in that:
The ground oligomer gel substrate is with the active material of alkali-activated carbonatite, including clay, illitic soil, kaolin, higher ridge
At least one of soil, diatomite, red mud.
3. ground according to claim 1 or 2 polymers base stone cultural artifact repair materials, it is characterised in that:
The Rock Powder is at least one of limestone powder, sandstone powder, mud stone powder, conglomerate powder；
The cracking resistance auxiliary agent is bamboo pulp fiber, ramie pulp fiber, acid fiber by polylactic, chitin fiber, alginate fibre, soybean protein
At least one of fiber, silkworm protein fiber.
4. ground according to claim 1 or 2 polymers base stone cultural artifact repair materials, it is characterised in that:
The alkali-activator is at least one of sodium silicate, potassium water glass；The mould of the sodium silicate or potassium water glass
Number is 1.0-3.3.
5. ground according to claim 1 or 2 polymers base stone cultural artifact repair materials, it is characterised in that:
The solidification adjusting control agent is at least one of alkali metal oxide, alkali metal hydroxide；Wherein, alkali gold
Category oxide is at least one of calcium oxide, magnesia；The alkali metal hydroxide be sodium hydroxide, potassium hydroxide,
At least one of calcium hydroxide.
6. ground according to claim 1 or 2 polymers base stone cultural artifact repair materials, it is characterised in that:
The interface modifier be sophorolipid, seaweed glycolipid, rhamnolipid, rosin soap, sodium abietate, sodium lignin sulfonate,
At least one of calcium lignosulfonate.
7. ground according to claim 1 or 2 polymers base stone cultural artifact repair materials, it is characterised in that:
The rheology modifier be water soluble polymer, wherein water soluble polymer be guar gum, xanthan gum, carragheen,
At least one of sodium alginate, soybean protein glue, starch.
8. a kind of preparation method that remove 1~7 described in any item ground polymers base stone cultural artifact repair materials according to right, special
Sign be the following steps are included:
(1) by the ground oligomer gel substrate of 15-80 parts by weight, the Rock Powder of 10-40 parts by weight, 5-60 parts by weight river sand and 2-
The cracking resistance auxiliary agent of 15 parts by weight is mixed evenly, and obtains component A；
(2) by the alkali-activator of 45-90 parts by weight, the solidification adjusting control agent of 0-10 parts by weight, the interface modifier of 0-3 parts by weight,
The water of the rheology modifier of 0-8 parts by weight, 8-50 parts by weight is mixed evenly, and obtains B component；
(3) it is that (10:1)~(1:1) room temperature is mixed evenly according to weight ratio by component A, B component, obtains ground polymers foundation stone
Matter historical relic repair materials.
9. polymers base stone cultural artifact repair materials in described in any item ground add in the grouting of stone cultural artifact according to claim 1~7
Gu, the application in vertex-gluing graph, surface closure.
10. polymers base stone cultural artifact repair materials in described in any item ground are in stone image, palisades picture, ancient tomb according to claim 1~7
Upright stone tablet, the Cave Temple, stone column, pinnacle, the consolidation by grouting of ancient building indoor and outdoor stone cultural artifact, vertex-gluing graph, the application in the closure of surface.
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110734264A (en) * | 2019-10-10 | 2020-01-31 | 重庆市园林建筑工程（集团）股份有限公司 | Reinforcing material for historic building, preparation method and grouting reinforcement method |
| CN111116112A (en) * | 2019-12-31 | 2020-05-08 | 宁波财经学院 | Preparation method of in-situ soil brick and application of in-situ soil brick prepared by method |
| CN111470840A (en) * | 2020-04-23 | 2020-07-31 | 中国文化遗产研究院 | Stone cultural relic surface crack repairing material and preparation method thereof |
| CN111592325A (en) * | 2020-05-25 | 2020-08-28 | 黄永华 | Concrete sealing curing agent and preparation method and construction method thereof |
| CN111646715A (en) * | 2020-05-12 | 2020-09-11 | 三明学院 | Preparation method of single-component geopolymer white cement |
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| CN114656284A (en) * | 2022-03-24 | 2022-06-24 | 复旦大学 | Nano-clay calcium hydroxide composite material for repairing and reinforcing, and preparation and application thereof |
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| CN110734264A (en) * | 2019-10-10 | 2020-01-31 | 重庆市园林建筑工程（集团）股份有限公司 | Reinforcing material for historic building, preparation method and grouting reinforcement method |
| CN111116112A (en) * | 2019-12-31 | 2020-05-08 | 宁波财经学院 | Preparation method of in-situ soil brick and application of in-situ soil brick prepared by method |
| CN111470840A (en) * | 2020-04-23 | 2020-07-31 | 中国文化遗产研究院 | Stone cultural relic surface crack repairing material and preparation method thereof |
| CN111470840B (en) * | 2020-04-23 | 2022-05-31 | 中国文化遗产研究院 | Stone cultural relic surface crack repairing material and preparation method thereof |
| CN111646715A (en) * | 2020-05-12 | 2020-09-11 | 三明学院 | Preparation method of single-component geopolymer white cement |
| CN111592325B (en) * | 2020-05-25 | 2022-04-22 | 黄永华 | Concrete sealing curing agent and preparation method and construction method thereof |
| CN111592325A (en) * | 2020-05-25 | 2020-08-28 | 黄永华 | Concrete sealing curing agent and preparation method and construction method thereof |
| CN111807806B (en) * | 2020-06-29 | 2022-02-22 | 兰州理工大学 | Earthen site crack repair slurry using original soil and preparation and use method thereof |
| CN111807806A (en) * | 2020-06-29 | 2020-10-23 | 兰州理工大学 | Earthen site crack repair slurry using original soil and preparation and use method thereof |
| CN114656284A (en) * | 2022-03-24 | 2022-06-24 | 复旦大学 | Nano-clay calcium hydroxide composite material for repairing and reinforcing, and preparation and application thereof |
| CN114751675A (en) * | 2022-03-30 | 2022-07-15 | 石家庄市长安育才建材有限公司 | Concrete crack self-repairing agent and preparation method and application thereof |
| CN116515392A (en) * | 2023-04-27 | 2023-08-01 | 北京首华建设经营有限公司 | Oil filling and preparation method and application thereof |
| CN116515392B (en) * | 2023-04-27 | 2024-02-06 | 北京首华建设经营有限公司 | Oil filling and preparation method and application thereof |
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Application publication date: 20190906 |