CN109868106A - A kind of adhesive and its preparation and application for historic building structure reparation - Google Patents
A kind of adhesive and its preparation and application for historic building structure reparation Download PDFInfo
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- CN109868106A CN109868106A CN201910129851.9A CN201910129851A CN109868106A CN 109868106 A CN109868106 A CN 109868106A CN 201910129851 A CN201910129851 A CN 201910129851A CN 109868106 A CN109868106 A CN 109868106A
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- adhesive
- building structure
- historic building
- epoxy resin
- reparation
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Abstract
The invention discloses a kind of adhesive and its preparation and application for historic building structure reparation, which is formulated by epoxy resin, modified amine curing agent, three (dimethylamino methyl) phenol, plant fiber, cenosphere, other extender pigments, reactive diluent.The preparation and application of the adhesive are as follows: high-speed stirred after by a certain percentage mixing epoxy resin and plant fiber, cenosphere, reactive diluent etc., modified amine and three (dimethylamino methyl) phenol are added by a certain percentage again, in completion bonding in 40 minutes.The features such as adhesive has curing rate fast, and no toxic and harmful gas is released, and adhesive property is excellent, has higher promotional value in ancient building field.
Description
Technical field
The present invention relates to a kind of rehabilitating historic building material technology more particularly to a kind of glue for historic building structure reparation
Glutinous agent and its preparation and application.
Background technique
During historic building structure protection, many reasons can all lead to disease, can be divided by its harmfulness: crack, grain
The diversified forms such as tenon out of joint, column inclination and foundation failure are pulled out in rotten, bending deformation.Except be partially human factor cause with
Outside, a large amount of timber structure destroys the aging mainly from material itself, degrades, damages by worms and the factors such as natural calamity.
Following principle should be deferred to for the protection of ancient building: adhering to construction material authenticity；Adhere to it is minimum intervention and
Former address protection；Adhere to the authenticity of construction process and design；Adhere to several principles such as overall coordination sustainable development.For part
The rotten wooden component of grain, can be used it is traditional plate, the modes such as pier connects, be affected to wood structure building appearance.Carbon cloth, glass
The modes such as glass fiber cloth, basalt fiber cloth are extremely effective to the wooden component is reinforced, but substantial material is pasted by adhesive
Component surface also constitutes the destruction to material authenticity.
Compared to above-mentioned protection facility, macromolecule adhesive class material is smaller to the wooden component appearance effects, can be used for splitting
The filling up of seam, the encapsulating of the rotten part of grain and reinforcing of Tenon etc., thus crackle and the rotten part of grain further expand suppressed,
The fixation of Tenon also can prevent the supporting members such as beam column from occurring deforming and tilt, therefore be ancient times wood building of great practical value
Build reinforcement material.Keep historical building authenticity in terms of, using macromolecule adhesive carry out reinforce have it is incomparable
Advantage.
Extender pigment is added by high-performance thermosetting resin and has repaired the method for historic building structure to prepare adhesive
There are several reports.Wei Quan etc. report it is a kind of use diethylenetriamine, polyamide for curing agent, add the epoxy resin of silica flour
Adhesive, and repair with this adhesive specific example (Emeishan City the Wei Quan Hall Which Flew Here, perfume (or spice) of Emeishan City Hall Which Flew Here, fragrant hall
Chemical consolidation protection in the maintenance of hall, Sichuan historical relic, 2002 (2): 77-79.).Zhao Xiangming report it is a kind of use ethylenediamine for
Curing agent adds the epoxy resin adhesive of silica flour, and the specific example (Zhao Xiang of Dai Temple building is repaired with this adhesive
The bright Tai'an Dai Temple ancient building maintenance engineering technology pre-test, Chinese cultural relics scientific research, 2008 (4): 75-78.).Above-mentioned report institute
The gluing agent prescription being related to is too simple, does not have the flexibility of timber in performance, is easy to happen brittle fracture in use.Huang Wen
A kind of polished grouting material for reporting historic building structure reparation can be added in the case where timber structure does not fall frame by grouting
Admittedly repairing the defect of historic building fire prevention, while can effective anti-corrosion.The grouting material main component is by aqueous epoxy resins, solidification
Agent, water, diamond dust, cement, flyash and insecticide constitute (Chinese patent CN 102020448).The formula system dispersibility is deposited
In some problems, glue-line is difficult to show more excellent mechanical performance, and there are glue-line density to be apparently higher than timber, significantly increases
The wooden construction weight is added.
The rarely seen report in ancient times wood structure building protection aspect of the adhesive of other kinds.In wooden cultural relic protection and furniture
It the industry relevant to wood structure building such as repairs, often uses gelatine based on natural material or polymer emulsion, hide glue, more
Sugar, polyvinyl acetate emulsion, acrylic acid ester emulsion, polyvinyl alcohol etc..But in order to which the historic building fire prevention after repairing can make for a long time
With water resistance, the mildew resistance etc. of above-mentioned adhesive kind are required to further improve.
Summary of the invention
The object of the present invention is to provide a kind of adhesives and its preparation and application for historic building structure reparation.
The purpose of the present invention is what is be achieved through the following technical solutions:
Adhesive for historic building structure reparation of the invention, it by epoxy resin, curing agent, curing accelerator,
Plant fiber, cenosphere, reactive diluent, other extender pigments are formulated.
The preparation and application of the above-mentioned adhesive for historic building structure reparation of the invention, including following step
It is rapid:
Plant fiber, cenosphere, other extender pigments are added in epoxy resin, at 15~45 DEG C, stirring rate
Under the conditions of 2000~5000 revs/min, stir 5~60 minutes；
Curing agent, curing accelerator are sequentially added, is uniformly mixed under the foregoing conditions, is obtained for historic building structure
Adhesive；
The adhesive is painted on bonding wood face, in completing bonding in 40 minutes, forms bonding wood；
Adhesive material is placed 1~10 day after molding, makes curable adhesive layer.
As seen from the above technical solution provided by the invention, provided in an embodiment of the present invention to be used for historic building structure
The adhesive and its preparation and application of reparation have curing rate fast, and no toxic and harmful gas is released, and adhesive property is excellent
The features such as, there is higher promotional value in ancient building field.
Specific embodiment
The embodiment of the present invention will be described in further detail below.What is be not described in detail in the embodiment of the present invention is interior
Appearance belongs to the prior art well known to professional and technical personnel in the field.
Adhesive and its preparation and application for historic building structure reparation of the invention, it is preferably specific real
The mode of applying is:
Adhesive for historic building structure reparation is by epoxy resin, curing agent, curing accelerator, plant fiber, sky
Heart microballon, reactive diluent, other extender pigments are formulated.
The epoxy resin is selected from one of following substance or a variety of: bisphenol A type epoxy resin, epoxy novolac tree
Rouge, polyurethane modified epoxy resin.
The curing agent is selected from one of following substance or a variety of: fatty amine, modified amine, phenolic aldehyde amine, gathers aliphatic cyclic amine
Amide, polyetheramine.
The curing accelerator is three-(dimethylamino methyl) phenol.
The plant fiber is lignocellulosic, flaxen fiber or bamboo fibre, preferably lignocellulosic.
The cenosphere is selected from one of following substance or a variety of: hollow glass micropearl, hollow alumina microballon,
Hollow ceramic microspheres, hollow polystyrene microballon.
The reactive diluent is with epoxy group, substance of the relative molecular mass less than 800.
Other extender pigments are selected from one of following substance or a variety of: calcium sulfate crystal whiskers, precipitated calcium carbonate, again
Matter calcium carbonate, talcum powder, silicon powder, sericite, kaolin.
The adhesive by the epoxy resin be 100 parts by weight in terms of, the cenosphere additive amount be 5~50 parts, institute
The plant fiber additive amount stated is 2~20 parts, and the extender pigment additive amount is 1~50 part, the curing agent additive amount
It is 15~50 parts, the curing accelerator additive amount is 0.5~3 part.
The preparation and application of the above-mentioned adhesive for historic building structure reparation, comprising the following steps:
Plant fiber, cenosphere, other extender pigments are added in epoxy resin, at 15~45 DEG C, stirring rate
Under the conditions of 2000~5000 revs/min, stir 5~60 minutes；
Curing agent, curing accelerator are sequentially added, is uniformly mixed under the foregoing conditions, is obtained for historic building structure
Adhesive；
The adhesive is painted on bonding wood face, in completing bonding in 40 minutes, forms bonding wood；
Adhesive material is placed 1~10 day after molding, makes curable adhesive layer.
Adhesive for historic building structure reparation of the invention has curing rate fast, and no toxic and harmful gas is put
Out, the features such as adhesive property is excellent has higher promotional value in ancient building field.
The present invention overcomes traditional timber adhesive and the adhesives above-mentioned for being applied to historic building structure
Technological deficiency imitates the internal structure of natural timber, has excellent tensile strength, can significantly improve glue-line and timber ground it
Between cohesive force.This adhesive for historic building structure will not discharge poisonous and harmful substance in construction and use, such as
Formaldehyde has the advantages that environmental-friendly.
The present invention is suitable for the field repair of historic building structure, and this method is simple and easy to do.
Preferably, the plant fiber is lignocellulosic.Lignocellulosic length is 300~1000 μm, draw ratio
It is 5~50, is the conducting tissue in plant, structure is made of cellulose, hemicellulose and lignin, and cellulose is its core
Part, hemicellulose in cellulose surface cladding in not completely enclosed shell, lignin be then loosely coated on hemicellulose it
Outside.Lignocellulosic is the reinforcement in timber, the higher rift grain tensile strength of timber and fracture toughness is assigned, as increasing
Strong body, which is added in material, can also generate similar effect.There are many material that can generate lignocellulosic, including more than timber processing
Material, waste and old paper, walnut shell, agricultural crop straw etc., material source are abundant.Lignocellulosic is mainly used for building materials at present, such as mixed
Coagulate the enhancing of soil.
Preferably, the cenosphere is hollow glass micropearl.
Hollow glass micropearl is the thin-wall ball being made of glass, 10~120 μm of partial size, 0.20~0.60g/cm of density3,
It is added in composite material or adhesive as extender pigment, the density of material can be significantly reduced, improves adhesive mobility,
Increase the impact resistance of cured glue layer.Hollow glass micropearl is introduced in adhesive, is similar to timber cavity structure, can be made
Glue-line and density of wood are close, will not obviously increase construction weight.Based on the above technology, glue-line analog natural timber structure,
Have bionics characteristics to make to repair.
Preferably, the epoxy resin is the bisphenol A type epoxy resin or polyurethane of 1000~20000mpas of viscosity
Modified epoxy.
Advantageous effects of the invention:
Adhesive for the historic building structure tensile shear strength with higher, tensile shear strength value
Up to 6.0~10.0MPa, there is good adhesive property.The lignocellulosic, can be very as a kind of plant fiber
Few additive amount shows good reinforcing effect, while having environmental-friendly feature.The hollow glass micropearl, addition
The density of adhesive can be significantly reduced in adhesive, while contribution is also improved to tensile shear strength.The present invention will be described
Lignocellulosic and the hollow glass micropearl be incorporated in epoxy resin adhesive, its object is to simulate natural timber
Internal structure, increase the wood weight after repairing unobvious, while showing good mechanical performance and durability.This hair
It is bright that there is higher tensile shear strength compared with three-aldehyde glue common in the market sticks agent and emulsion-type adhesive, it is solid simultaneously
Change process does not discharge small molecule, does not generate toxic action to environment.
Specific embodiment:
Embodiment 1
(1) lignocellulosic of 10 mass parts is added in the polyurethane modified epoxy resin of 100 mass parts, room temperature behaviour
Make, under conditions of 2400 revs/min of mixing speed, stirs 10 minutes；
(2) the curing agent modified amine (VT6110) and curing accelerator 2 of 47 mass parts are added in the system of (1) system
Three (dimethylamino methyl) phenol ambient operations of mass parts under conditions of 1000 revs/min of mixing speed, are stirred 5 minutes, are obtained
Epoxy resin base adhesive.
The wood sample of epoxy resin base adhesive bonding in embodiment 1, tensile shear strength 8.86MPa.
Embodiment 2
(1) hollow glass micropearl of 15 mass parts is added in the polyurethane modified epoxy resin of 100 mass parts, is operated
Under conditions of 25 DEG C of temperature, 2400 revs/min of mixing speed, stir 10 minutes；
(2) the curing agent modified amine (VT6110) of 47 mass parts is added in the system of (1) system, adds 2 mass parts
Curing accelerator three (dimethylamino methyl) phenol ambient operation under conditions of 2000 revs/min of mixing speed, is stirred 5 minutes, is obtained
To epoxy resin base adhesive.
The wood sample of epoxy resin base adhesive bonding in embodiment 2, tensile shear strength 6.21MPa.
Embodiment 3
(1) silicon powder of 30 mass parts is added in the polyurethane modified epoxy resin of 100 mass parts, ambient operation,
Under conditions of 2400 revs/min of mixing speed, stir 10 minutes；
(2) the curing agent modified amine (VT6110) of 47 mass parts is added in the system of (1) system, it is solid to add 2 mass parts
Change promotor three (dimethylamino methyl) phenol, under conditions of 25 DEG C of operation temperature, 1000 revs/min of mixing speed, stirs 5 points
Clock obtains epoxy resin base adhesive.
The wood sample of epoxy resin base adhesive bonding in embodiment 3, tensile shear strength 4.50MPa.
Embodiment 4
(1) calcium sulfate crystal whiskers of 50 mass parts are added in the polyurethane modified epoxy resin of 100 mass parts, room temperature behaviour
Make, under conditions of 1200 revs/min of mixing speed, stirs 10 minutes；
(2) the curing agent modified amine (VT6110) of 47 mass parts is added in the system of (1) system, adds 2 mass parts
Curing accelerator three (dimethylamino methyl) phenol under conditions of 25 DEG C of operation temperature, 1000 revs/min of mixing speed, stirs 5 points
Clock obtains epoxy resin base adhesive.
The wood sample of epoxy resin base adhesive bonding in embodiment 4, tensile shear strength 5.07MPa.
Comparative example
The curing agent modified amine (VT6110) of 47 mass parts will be added in the polyurethane modified epoxy resin of 100 mass parts,
Add curing accelerator three (dimethylamino methyl) phenol of 2 mass parts, 25 DEG C of operation temperature, 1000 revs/min of mixing speed
Under conditions of, it stirs 5 minutes, obtains epoxy resin base adhesive.
Epoxy resin base adhesive in comparative example is bonded wood sample, tensile shear strength 5.36MPa.
The foregoing is only a preferred embodiment of the present invention, but scope of protection of the present invention is not limited thereto,
Within the technical scope of the present disclosure, any changes or substitutions that can be easily thought of by anyone skilled in the art,
It should be covered by the protection scope of the present invention.Therefore, protection scope of the present invention should be with the protection model of claims
Subject to enclosing.
Claims (10)
1. a kind of adhesive for historic building structure reparation, which is characterized in that it is promoted by epoxy resin, curing agent, solidification
It is formulated into agent, plant fiber, cenosphere, reactive diluent, other extender pigments.
2. the adhesive according to claim 1 for historic building structure reparation, which is characterized in that the asphalt mixtures modified by epoxy resin
Rouge is selected from one of following substance or a variety of: bisphenol A type epoxy resin, novolac epoxy resin, polyurethane modified epoxy resin.
3. the adhesive according to claim 1 for historic building structure reparation, which is characterized in that the curing agent
Selected from one of following substance or a variety of: fatty amine, aliphatic cyclic amine, modified amine, phenolic aldehyde amine, polyamide, polyetheramine.
4. the adhesive according to claim 1 for historic building structure reparation, which is characterized in that the solidification promotees
It is three-(dimethylamino methyl) phenol into agent.
5. the adhesive according to claim 1 for historic building structure reparation, which is characterized in that the plant is fine
Dimension is lignocellulosic, flaxen fiber or bamboo fibre.
6. the adhesive according to claim 1 for historic building structure reparation, which is characterized in that described is hollow micro-
Pearl is selected from one of following substance or a variety of: hollow glass micropearl, hollow alumina microballon, hollow ceramic microspheres, hollow poly-
Styrene microballon.
7. the adhesive according to claim 1 for historic building structure reparation, which is characterized in that the activity is dilute
Agent is released with epoxy group, substance of the relative molecular mass less than 800.
8. the adhesive according to claim 1 for historic building structure reparation, which is characterized in that other bodies
Matter pigment is selected from one of following substance or a variety of: calcium sulfate crystal whiskers, precipitated calcium carbonate, powdered whiting, talcum powder, silicon are micro-
Powder, sericite, kaolin.
9. the adhesive according to any one of claims 1 to 8 for historic building structure reparation, which is characterized in that should
In terms of adhesive is 100 parts by weight by the epoxy resin, the cenosphere additive amount is 5~50 parts, and the plant is fine
Tieing up additive amount is 2~20 parts, and the extender pigment additive amount is 1~50 part, and the curing agent additive amount is 15~50 parts,
The curing accelerator additive amount is 0.5~3 part.
10. a kind of preparation and application of the adhesive as claimed in claim 9 for historic building structure reparation, feature
It is, comprising the following steps:
Plant fiber, cenosphere, other extender pigments are added in epoxy resin, at 15~45 DEG C, stirring rate is
Under the conditions of 2000~5000 revs/min, stir 5~60 minutes；
Curing agent, curing accelerator are sequentially added, is uniformly mixed under the foregoing conditions, the glue for historic building structure is obtained
Glutinous agent；
The adhesive is painted on bonding wood face, in completing bonding in 40 minutes, forms bonding wood；
Adhesive material is placed 1~10 day after molding, makes curable adhesive layer.
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| CN201910129851.9A CN109868106A (en) | 2019-02-21 | 2019-02-21 | A kind of adhesive and its preparation and application for historic building structure reparation |
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| CN201910129851.9A CN109868106A (en) | 2019-02-21 | 2019-02-21 | A kind of adhesive and its preparation and application for historic building structure reparation |
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| CN110358312A (en) * | 2019-08-01 | 2019-10-22 | 河南省文物考古研究院 | A kind of invertibity lacquerware reparation recruits material and its preparation method and application method |
| CN112239206A (en) * | 2020-11-11 | 2021-01-19 | 江苏浦士达环保科技股份有限公司 | Preparation method of low-ash pressed coal activated carbon |
| CN112625630A (en) * | 2020-12-18 | 2021-04-09 | 广州市乐基智能科技有限公司 | Composite cellulose adhesive and preparation method thereof |
| CN112898936A (en) * | 2021-01-25 | 2021-06-04 | 辽宁红山化工股份有限公司 | Rapidly-operable JQ-1 glue prepared by compounding and modifying organic and inorganic wastes |
| CN113024206A (en) * | 2019-12-09 | 2021-06-25 | 北京国文琰文化遗产保护中心有限公司 | Mortar composite material for repairing masonry historic building and preparation method thereof |
| CN113861669A (en) * | 2021-09-02 | 2021-12-31 | 广东高捷体育产业有限公司 | Crack repairing agent and preparation method thereof |
| CN113982300A (en) * | 2021-09-09 | 2022-01-28 | 上海建为历保科技股份有限公司 | Epoxy resin repairing process for bucket arch |
| CN114574133A (en) * | 2022-01-24 | 2022-06-03 | 安庆永大体育用品有限公司 | Modified nano-cellulose whisker/epoxy resin adhesive, and preparation method and application thereof |
| CN114804796A (en) * | 2022-01-27 | 2022-07-29 | 东南大学 | Ancient building repairing cementing material and preparation method thereof |
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Cited By (13)
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| CN110358312A (en) * | 2019-08-01 | 2019-10-22 | 河南省文物考古研究院 | A kind of invertibity lacquerware reparation recruits material and its preparation method and application method |
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| CN113024206A (en) * | 2019-12-09 | 2021-06-25 | 北京国文琰文化遗产保护中心有限公司 | Mortar composite material for repairing masonry historic building and preparation method thereof |
| CN112239206A (en) * | 2020-11-11 | 2021-01-19 | 江苏浦士达环保科技股份有限公司 | Preparation method of low-ash pressed coal activated carbon |
| CN112239206B (en) * | 2020-11-11 | 2021-05-28 | 江苏浦士达环保科技股份有限公司 | Preparation method of low-ash pressed coal activated carbon |
| CN112625630B (en) * | 2020-12-18 | 2022-12-27 | 广州市乐基智能科技有限公司 | Composite cellulose adhesive and preparation method thereof |
| CN112625630A (en) * | 2020-12-18 | 2021-04-09 | 广州市乐基智能科技有限公司 | Composite cellulose adhesive and preparation method thereof |
| CN112898936A (en) * | 2021-01-25 | 2021-06-04 | 辽宁红山化工股份有限公司 | Rapidly-operable JQ-1 glue prepared by compounding and modifying organic and inorganic wastes |
| CN112898936B (en) * | 2021-01-25 | 2023-09-26 | 辽宁红山化工股份有限公司 | Rapidly-operated JQ-1 adhesive compounded and modified by organic and inorganic wastes |
| CN113861669A (en) * | 2021-09-02 | 2021-12-31 | 广东高捷体育产业有限公司 | Crack repairing agent and preparation method thereof |
| CN113982300A (en) * | 2021-09-09 | 2022-01-28 | 上海建为历保科技股份有限公司 | Epoxy resin repairing process for bucket arch |
| CN114574133A (en) * | 2022-01-24 | 2022-06-03 | 安庆永大体育用品有限公司 | Modified nano-cellulose whisker/epoxy resin adhesive, and preparation method and application thereof |
| CN114804796A (en) * | 2022-01-27 | 2022-07-29 | 东南大学 | Ancient building repairing cementing material and preparation method thereof |
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