CN106242324A - A kind of repairing stone relics agent and using method thereof - Google Patents
A kind of repairing stone relics agent and using method thereof Download PDFInfo
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- CN106242324A CN106242324A CN201610743109.3A CN201610743109A CN106242324A CN 106242324 A CN106242324 A CN 106242324A CN 201610743109 A CN201610743109 A CN 201610743109A CN 106242324 A CN106242324 A CN 106242324A
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- rich
- agent
- regulator
- silicon
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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
- C04B7/00—Hydraulic cements
- C04B7/02—Portland cement
- C04B7/06—Portland cement using alkaline raw materials
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Working Measures On Existing Buildindgs (AREA)
Abstract
The invention discloses a kind of repairing stone relics agent and using method thereof.This renovation agent consists of: by mass percentage, 58～the Silicon-rich body of 84%, 13～the rich calcium body of 40%, 1～the regulator of 3%；The mixture of three is ground to the powder body of 200 mesh sieve margin≤10%, or three is each ground to the mixture after 200 mesh sieve margin≤10%.The mixing that added water by this renovation agent is the most hardenable, or, first that regulator is soluble in water, then the aqueous solution dissolved with regulator is added levigate after Silicon-rich body and uniform mixing in the mixed powder of rich calcium body；At first 7 days counted from adding water, the most first 20 days, adherent surface moisture need to be kept；Sandstone class thickness can be filled as required gather materials when adding water；On the premise of having experimental verification, it is possible to admixture water reducer class is applicable to the additive of Portland cement concrete (PCC) to improve the combination property of adherent.Stability at later stage of the present invention is preferable, can preferably meet repairing stone relics many-side particular/special requirement.
Description
Technical field
The invention belongs to art work repair materials and application thereof, it is also possible to expand to that volume stability is had special wanting
The structural material field asked, is specifically related to preparation and the using method thereof of a kind of repairing stone relics agent.
Background technology
Historical relic repair materials is a kind of special structure and functional material, in addition to having certain structural strength, also needs
There is good durability, historical relic can be protected or the most do not damage historical relic, the most also need with historical relic not only harmony but also can distinguish, institute
Material property there to be special many requirements, need that there is good combination property.Stone cultural artifact is with natural in history
Rock is that base material chisels and forms and preserve always so far, has culture and the artistic value of preciousness because of with a long history.Shi Zhiwen
The repair materials of thing, should be the special Binder Materials repaired based on large volume historical relic original place, preferably have both durability, do not corrode
Stone carving, environmentally friendly, construction usage is easy, and intensity and cohesive force moderate (less than stone carving material itself), volume stability are good,
Various features such as (being easy to color matching) of light color.The organic gel gel materials such as epoxy resin are used as stone carving repairing binder and the most necessarily go through
History, made distinctions won on the battlefield in the reparation of stone carving class historical relic.But this material price is expensive, outdoor durable difference and to environment
It is unfriendly, it is clear that not to be suitable for the reparation of immovable large volume stone cultural artifact, although portland cement is cheap and intensity can
Adjust, but contractility is strong, with historical relic combination interface is not tight and durability is the best.Along with the lasting high speed of travel industry is sent out
Exhibition, the reparation of stone cultural artifact is more and more important with protection.So, develop a kind of cement class being suitable to large-scale repairing stone relics and answer
Rubber alloy stick is significant.
As cement class materials application when stone carving repairs bonding, the most scabrous is high volume stability problem.Gypsum Fibrosum
As air setting adhesive material, in its hardening process, volume has expansion characteristics (about 0.18%), and intensity also can meet historical relic and repair
Multiple basic demand, but its resistance to water and temperature tolerance is bad and adaptability is the widest.
Summary of the invention
An object of the present invention is for the defect existing for existing repairing stone relics material, it is provided that a kind of later stage
Stability is preferable, can preferably meet the Shi Zhiwen of the cement class composite adhesive type of repairing stone relics many-side particular/special requirement
Thing renovation agent.
This repairing stone relics agent, consisting of: by mass percentage, 58～the Silicon-rich body of 84%, 13～40%
Rich calcium body, 1～the regulator of 3%；The mixture of three is ground to the powder body of 200 mesh sieve margin≤10%, or three is each
Self-grind is to the mixture after 200 mesh sieve margin≤10%.
Concrete, described Silicon-rich body includes by the following component of oxide mass percentages: 50～the SiO of 98%2, 0
～the Al of 41%2O3, 2～the K of 10%2O+Na2O, 0～10% other；Described other includes CaO, MgO, FeO, Fe2O3、
MnO2、SO3And TiO2, and FeO+Fe2O3+MnO2+TiO2Quality less than Silicon-rich weight 5%.
Preferably, described Silicon-rich body is the solid with thermal history, and the salt by sieve and silica-sesquioxide raw material and alkali metal containing is equal
It is ground to fineness after even mixing and reaches 200 mesh sieve margin≤10%, the most in an oxidizing environment in 600～1200 DEG C of abundant heating
The powder obtained；Described sieve and silica-sesquioxide raw material is natural and/or artificial containing SiO2And Al2O3Solid material；Described containing alkali
The salt of metal is the material of the oxide that can decomposite potassium and/or sodium with sieve and silica-sesquioxide raw material when 500～1200 DEG C of calcinings,
One or more mixed including potassium and/or the oxide of sodium, sulfide, hydroxide, inorganic acid salt and acylate
(oxide, hydroxide etc. are all not belonging to salt to compound, but express for convenience, and at this, unification is summarized in alkali metal containing
Salt).
Concrete, described rich calcium body is by (OH) Han CaO, Ca respectively2And CaSO4Raw material mix；Wherein, CaO and Ca
(OH)2For raw material, CaSO must be contained4For choosing containing raw material；Each component is by mass percentage: 6～the CaO of 68%, 17～57%
Ca(OH)2, 0～the CaSO of 41%4, 14～22% other；Described other includes water of crystallization, SiO2、Al2O3、MgO、Na2O、
K2O、FeO、Fe2O3、MnO2、TiO2, and FeO+Fe2O3+MnO2+TiO2Quality less than the 5% of rich calcium weight.
Concrete, described regulator is the mixture of cellulose ether and diethylene glycol monobutyl ether, and cellulose ether and diethyl
The mass ratio of glycol monobutyl ether is 0.17～0.5.
The two of the purpose of the present invention are to provide the using method of above-mentioned repairing stone relics agent, this using method and silicic acid
The using method of salt cement be similar to, will this renovation agent add water mixing the most hardenable, or, first by molten for the regulator in renovation agent
Yu Shuizhong, then the aqueous solution dissolved with regulator is added levigate after Silicon-rich body and uniform mixing in the mixed powder of rich calcium body；
At first 7 days counted from adding water, the most first 20 days, adherent surface moisture need to be kept；Can mix as required when adding water
Add sandstone class thickness to gather materials；On the premise of having experimental verification, it is possible to admixture water reducer class is applicable to Portland cement concrete (PCC)
Additive to improve the combination property of adherent.
Volume microdilatancy when the repairing stone relics agent of the present invention is hardened, during after-hardening, volume stability is good, temperature tolerance
Also meet the use requirement of cement class stone carving repairing binder with resistance to water, adapt to the needs of stone cultural artifact Conservative restoration.And
And, the renovation agent material of the present invention is easy to get, and preparation is simple, and cost reduces.
Detailed description of the invention
Further describe the present invention below by specific embodiment, but the present invention is not limited to this.
The salt being added alkali metal containing by sieve and silica-sesquioxide raw material mixes and is ground to the mass ratio of 200 screen residues no more than
10%, then the temperature 2 of 600～1200 DEG C～3 hours, after cooling, obtain Silicon-rich body.Silicon-rich body is the most individually ground to
The mass ratio of 200 screen residues is not more than the powder body of 10%.Described sieve and silica-sesquioxide raw material include natural river sand, Desert Sand,
Quartz sand, gold ore tailing, granite and Kaolin etc..The salt of described alkali metal containing include the caustic potash containing only KOH, containing only
Na2CO3Soda, Caustic soda containing only NaOH and the salkali waste etc. containing soda 85%.Rich calcium body is by quick lime, Calx and Gypsum Fibrosum three
Part mixes.The chemical composition of various raw materials is as shown in Table 1 below.
The chemical composition unit of table 1 inorganic raw material: wt%
It is mixed than after dispensing by the quality with Silicon-rich body by quick lime, Calx and different Gypsum Fibrosum and is ground to 200
The mass ratio of screen residue is not more than 10%, obtains the powder body of rich calcium body.The powder body of Silicon-rich body with rich calcium body is mixed at powder
Machine is sufficiently mixed the solid part powder body uniformly obtaining the i.e. repairing stone relics agent of adhesive.Adhesive is existed by this solid part powder body
Mix with the regulator being distributed in advance in water during use.Regulator is cellulose ether and diethylene glycol monobutyl ether (DGBE)
Mixture, compare dispensing by the quality with Silicon-rich body.The cellulose ether that various embodiments of the present invention use has hydroxyethyl methyl fiber
Element ether (HEMC) and hydroxypropyl methyl cellulose ether (HPMC) two kinds.Whole dispensings of each embodiment and technological parameter refer to table 2.
With PO42.5 cement as comparative example, each embodiment is detected according to GB24264-2009 (ornamental stone sticks with glue agent)
28 days tensile bond strengths, detect intensity according to GB/T17671-1999 (Test method for strength of hydraulic cement mortar) and increase detection 7
It comprcssive strength, according to the limited expansion rate of 21 days in GB23439-2009 (cement expansive material) detection water 7 days and air.Separately
Outward, it is incubated 4 hours to according to the GB/T17671-1999 maintenance cement mortar of 28 days at 200 DEG C, then the pressure resistance after detection cooling
Degree, the latter resists the ability of 200 DEG C of high temperature with the heat-resistance coefficient that is used for of 28 days comprcssive strength to detect adhesive hardenite.Remove
Detect 3 days and outside 28 days intensity by this standard-required, add comprcssive strength detection in 7 days.Each detection data were together with 28 days and 7 days
Compressive strength rate refers to table 3.
It is the most shallow colors such as canescence, it is ensured that its color easily changes after mixing pigment after the clean pulp-water of each embodiment
Become, convenient toning.As shown in Table 3,28 days tensile bond strengths of each embodiment are between 0.6～2.0MPa, although distribution
Wider, but all much smaller than the tensile bond strength 2.8MPa of PO42.5 cement, adhesion strength is moderate generally.This adhesive exists
When boning stone carving historical relic, can select the formula of different adhesion strength as required, its cementitiousness enough bonds historical relic but
It is easy to again release bonding if desired, is unlikely to destroy when disassembling because bonding is too strong historical relic.The cement mortar of each embodiment is not
Relatively big with age comprcssive strength difference, but the 3 of its minimum days comprcssive strength is the most enough shaped, and 28 days comprcssive strength maximums are
31.2MPa, is slightly less than the intensity of PC32.5 cement, and its minimum 28 days comprcssive strength, also above 10MPa, so ensures adherent not
Only play the effect of gluing historical relic, moreover it is possible to fill up the part of disappearance in stone carving, also will not be the most tired when being necessary to remove repairing body
Difficult and lose former stone carving body.28 days comprcssive strength and the ratio of 7 days comprcssive strength in embodiment are only slightly larger than 1, are much smaller than
The 1.6 of PO42.5 cement, illustrate that the material maintenance of embodiment i.e. basically reaches maximum intensity for 7 days, and later strength increase is the least.This
The intensity relatively portland cement making repairing body is more easily controlled, and is unlikely to growth over time and to become intensity the most fragile
Tear open.The heat-resistance coefficient of each embodiment is all higher than 0.9 and very close to 1, and minority is more than 1, and PO42.5 portland cement then only has
0.75, illustrate that the adhesive material of embodiment is heat-resist, in the environment of 200 DEG C of temperature, the most do not lose intensity, some is even
Intensity slightly increases, and its heat resistance is much better than portland cement.Limited expansion rate data show, each embodiment cement is in aquation
Time the volume of first 7 days the most slightly expand, and 21 days aerial volumes slightly shrink.And first 7 days of PO42.5 and latter 21 days are all
Shrink, and it is more and more obvious to increase contraction over time.Comparing with PO42.5, it is early that the present invention is used as the cement material of adhesive
Phase microdilatancy, the later stage shrinks the least, the material that volume stability is good.Expansion in early days is conducive to slurry to penetrate into raw-material fine fisssure
In gap the most gluing, the later stage shrink the least, ensure adherent will not and repaired body between formed gap and affect bonding and keep away
It is excused from a college course complement and produces crack because of shrinkage stress, although so the comprcssive strength of this kind of new patching material self is the most little, its
Tensile bond strength still but is able to ensure needs.
Table 2 each embodiment technological parameter catalog
Table 3 each embodiment combination property catalog
Claims (6)
1. a repairing stone relics agent, it is characterised in that consist of: by mass percentage, 58～the Silicon-rich body of 84%, 13
～the rich calcium body of 40%, 1～the regulator of 3%；The mixture of three is ground to the powder body of 200 mesh sieve margin≤10%, or
It it is the mixture after three is each ground to 200 mesh sieve margin≤10%.
Repairing stone relics agent the most according to claim 1, it is characterised in that: described Silicon-rich body includes by oxide mass
The following component of percentages: 50～the SiO of 98%2, 0～the Al of 41%2O3, 2～the K of 10%2O+Na2O, 0～10% its
It；Described other includes CaO, MgO, FeO, Fe2O3、MnO2、SO3And TiO2, and FeO+Fe2O3+MnO2+TiO2Quality be less than
The 5% of Silicon-rich weight.
Repairing stone relics agent the most according to claim 2, it is characterised in that: described Silicon-rich body is to have consolidating of thermal history
Body, the salt of sieve and silica-sesquioxide raw material and alkali metal containing be ground to fineness and reach 200 mesh sieve margin≤10%, so after uniformly mixing
After the powder that obtains in 600～1200 DEG C of abundant heating in an oxidizing environment；Described sieve and silica-sesquioxide raw material is natural and/or people
Work containing SiO2And Al2O3Solid material；The salt of described alkali metal containing is for forge at 500～1200 DEG C with sieve and silica-sesquioxide raw material
The material of the oxide of potassium and/or sodium can be decomposited, including potassium and/or the oxide of sodium, sulfide, hydroxide, nothing during burning
One or more mixture of machine hydrochlorate and acylate.
Repairing stone relics agent the most according to claim 1, it is characterised in that: described rich calcium body is by respectively containing CaO, Ca
(OH)2And CaSO4Raw material mix；Wherein, CaO and Ca (OH)2For raw material, CaSO must be contained4For choosing containing raw material；Each component
It is by mass percentage: 6～the CaO of 68%, 17～the Ca (OH) of 57%2, 0～the CaSO of 41%4, 14～22% other；
Described other includes water of crystallization, SiO2、Al2O3、MgO、Na2O、K2O、FeO、Fe2O3、MnO2、TiO2, and FeO+Fe2O3+MnO2+
TiO2Quality less than the 5% of rich calcium weight.
Repairing stone relics agent the most according to claim 1, it is characterised in that: described regulator is cellulose ether and diethyl
The mixture of glycol monobutyl ether, and the mass ratio of cellulose ether and diethylene glycol monobutyl ether is 0.17～0.5.
6. the using method of a repairing stone relics agent as claimed in claim 1, it is characterised in that: with portland cement
Using method be similar to, will this renovation agent add water mixing the most hardenable, or, first by soluble in water for the regulator in renovation agent,
Again the aqueous solution dissolved with regulator is added levigate after Silicon-rich body and uniform mixing in the mixed powder of rich calcium body；From adding water
First 7 days counted, the most first 20 days, need to keep adherent surface moisture；Sandstone class can be filled as required when adding water
Thickness is gathered materials；On the premise of having experimental verification, it is possible to admixture water reducer class is applicable to the additive of Portland cement concrete (PCC)
To improve the combination property of adherent.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201610743109.3A CN106242324A (en) | 2016-08-26 | 2016-08-26 | A kind of repairing stone relics agent and using method thereof |
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| CN201610743109.3A CN106242324A (en) | 2016-08-26 | 2016-08-26 | A kind of repairing stone relics agent and using method thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113045337A (en) * | 2021-03-11 | 2021-06-29 | 中漆髹缮文化发展(北京)有限公司 | Method for repairing and protecting surface of stone cultural relic |
| CN115041913A (en) * | 2022-06-01 | 2022-09-13 | 中国社会科学院考古研究所 | Method for protecting and repairing unearthed silverware based on thermal decomposition reduction |
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