CN107129784A - A kind of epoxy resin sealant and its application - Google Patents
A kind of epoxy resin sealant and its application Download PDFInfo
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- CN107129784A CN107129784A CN201710498535.XA CN201710498535A CN107129784A CN 107129784 A CN107129784 A CN 107129784A CN 201710498535 A CN201710498535 A CN 201710498535A CN 107129784 A CN107129784 A CN 107129784A
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J163/00—Adhesives based on epoxy resins; Adhesives based on derivatives of epoxy resins
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J11/00—Features of adhesives not provided for in group C09J9/00, e.g. additives
- C09J11/02—Non-macromolecular additives
- C09J11/04—Non-macromolecular additives inorganic
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J11/00—Features of adhesives not provided for in group C09J9/00, e.g. additives
- C09J11/08—Macromolecular additives
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
- C08L2205/025—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group containing two or more polymers of the same hierarchy C08L, and differing only in parameters such as density, comonomer content, molecular weight, structure
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
- C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/14—Polymer mixtures characterised by other features containing polymeric additives characterised by shape
- C08L2205/16—Fibres; Fibrils
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- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Sealing Material Composition (AREA)
- Epoxy Resins (AREA)
Abstract
The invention belongs to fluid sealant field, and a kind of epoxy resin sealant is disclosed, be made up of two kinds of components of component A and B component and the mass ratio of component A and B component is 10：3‑2：1, each raw materials by weight portion meter in component A includes：50 parts of modified epoxy, 5 15 parts of epoxide diluent, I 10 20 parts of modified wood fibre element, 0.1 1 parts of carbon black, 0.01 0.1 parts of ultramarine；Each raw materials by weight portion meter in B component includes：50 parts of curing agent, 20 30 parts of Amino End Group liquid polydimethylsiloxane, II 10 20 parts of modified wood fibre element.The fluid sealant of the present invention is using epoxy resin as matrix resin, and adhesion strength is high, is tightly combined as filleting glue and surrounding tunnel segment structure surface, and faying face ftractures caused by being prevented effectively from effect of vibration.
Description
Technical field
The invention belongs to fluid sealant field, more particularly, to a kind of epoxy resin sealant and its application.
Background technology
With the fast development of China's economic society, urbanization process is quickly propelled.During High-speed Urbanization,
Many big and medium-sized cities generally existings "urban disease", show as that center is densely populated, building stands in great numbers, space is crowded, hand over
The phenomenons such as pass blocking plug.City space saturation turns into common problem therein with traffic congestion, the table in many especially big and big city
Now very protrude.To alleviate the various contradictions that current city is present, the exploitation underground space is imperative, city underground, municipal administration
Tunnel, city railway tunnel etc. turn into the prioritizing selection of people, have obtained largely building in each big and medium-sized cities of China.In view of city
The stratum geological conditions in city and environmental requirement, shield tunnel is because speed of application is fast, good engineering quality, control stratum deformation effect
Good the advantages of, is widely applied.
Shield tunnel typically uses individual layer tunnel segment structure as lining cutting layer, after the completion of section of jurisdiction ring is assembled, on the inside of section of jurisdiction
There is seam between section of jurisdiction and section of jurisdiction, to improve the overall sealing performance of whole pipe-plate lining structure, prevent from oozing at segment joint
Leakage influence subway tunnel, railway tunnel and vcehicular tunnel operation security and structure, track corrosion, or to prevent Railway Tunnel
Inner high voltage wind repeated action damages elastic sealing gasket performance, it is necessary to using progress filleting processing at encapsulant abutment joint.At present
Polysulfide rubber sealant is used the caulking material of section of jurisdiction interannular more, but there is the problem of ageing resistace is poor in polysulfide sealant,
Aging and crack performance occurs in passage colloid over time, so as to lose sealing property；Cause plus itself viscosity is larger
Its permeability in concrete structure is poor, is easily damaged with concrete interface bonding part.The fluid sealant commonly used on the market at present
Also polyurethane sealant and silicone sealant, polyurethane sealant equally exist durability not good due to not wet and heat ageing resistant
The problem of, also it is easily damaged with the abutting edge of concrete；Silicone sealant ageing-resistant performance is excellent, but the strong pole such as itself and cement
Property surface adhesion strength is poor, easily cracking at linkage interface, so as to lose sealing effectiveness.
The content of the invention
For the disadvantages described above or Improvement requirement of prior art, the invention provides a kind of epoxy resin sealant and its should
, can be in duct pieces of shield tunnel with the adhesion strength of, epoxy resin sealant is high, ageing-resistant, cracking resistance and anti-fatigue performance are excellent
On applied well.
To achieve the above object, according to one aspect of the present invention there is provided a kind of epoxy resin sealant, its feature exists
In, be made up of two kinds of components of component A and B component and component A and B component mass ratio be 10：3-2：1, wherein,
Each raw materials by weight portion meter in component A includes：50 parts of modified epoxy, 5-15 parts of epoxide diluent, changes
Property 10-20 parts of lignocellulosic I, 0.1-1 parts of carbon black, 0.01-0.1 parts of ultramarine；
Each raw materials by weight portion meter in B component includes：50 parts of curing agent, Amino End Group liquid polydimethylsiloxane
20-30 parts, II 10-20 parts of modified wood fibre element.
Preferably, the modified epoxy is liquid polydimethylsiloxane modified epoxy, the liquid poly- two
The preparation method of methylsiloxane modified epoxy is：By epoxy resin and liquid polydimethylsiloxane according to mass ratio 5：
1-2：1 mixing, adds 1%-2% dibutyltin dilaurate catalysts, and being heated to 120-150 DEG C makes mixture react 2-4h,
Then obtain the modified epoxy containing dimethyl silicone polymer branched structure.
Preferably, epoxy resin is bisphenol A type epoxy resin and/or bisphenol f type epoxy resin.
Preferably, epoxide diluent is polypropylene glycol diglycidyl ether, polyethyleneglycol diglycidylether, ethylene glycol two
Glycidol ether, 1,4- butanediol diglycidyl ethers, 1,6 hexanediol diglycidylether, carbon 12 to carbon myristyl contract
One or more in water glycerin ether.
Preferably, modified wood fibre element I is silane γ-glycidoxypropyltrimethoxysilane alkane surface innovation wood
Matter cellulose, its preparation method is as follows：It is V using volume ratioMethanol:VWater=5:1~6:1 methanol solution prepares γ-glycidol
Ether propyl trimethoxy silicane content is 5%-15% inorganic agent, and lignocellulosic is added in inorganic agent and handles 1-
3h, is then filtered, and the wood fibre being filtrated to get is placed in baking oven and handles 1-3h at 100-120 DEG C, to remove wooden fibre
Tie up the solvent adsorbed in element and further promote the silylating reagent of wood fibre surface, obtain modified wood fibre element I.
Preferably, curing agent is polyamide, trien, N, N '-dicyanoethyl diethylenetriamines and DMP-30
The mixture of composition, their mass ratioes are 3:(1-3):(3-6):(0.5-1).
Preferably, modified wood fibre element II is silane gamma-aminopropyl-triethoxy-silane surface modified wood fibre element,
Its preparation method is as follows：It is V using volume ratioEthanol:VWater=5:1~6:1 ethanol solution prepares gamma-aminopropyl-triethoxy silicon
Alkane content is 5-15% inorganic agent, and lignocellulosic is added in inorganic agent and handles 1-3h, is then filtered, will be filtrated to get
Wood fibre be placed in baking oven and handle 1-3h at 100-120 DEG C, go forward side by side one to remove the solvent adsorbed in lignocellulosic
Step promotes the silylating reagent of wood fibre surface, obtains modified wood fibre element II.
According to one aspect of the present invention, the application of described epoxy resin sealant is additionally provided, it is characterised in that bag
Include following steps：
1) the section of jurisdiction end of shield tunnel is cleaned out；
2) sealing treatment is carried out to section of jurisdiction seam using sealant tape；
3) injecting glue construction is carried out to segment joint segmentation using glue-injection machine, until being full of asphalt mixtures modified by epoxy resin between whole section of jurisdiction in gap
Fat fluid sealant；
4) sealant tape is removed after epoxy resin sealant solidifies.
In general, by the contemplated above technical scheme of the present invention compared with prior art, it can obtain down and show
Beneficial effect：
The epoxy resin sealant of the present invention is using epoxy resin as matrix resin, and adhesion strength is high, as filleting glue and
Surrounding tunnel segment structure surface is tightly combined, and faying face ftractures caused by being prevented effectively from effect of vibration.In addition, the present invention passes through
Choose the silicon rubber with excellent durability energy to be modified epoxy resin, reach raising fluid sealant overall durability and use
The purpose in life-span, while improving the toughness and fatigue performance of epoxy resin.Finally selection has good chemical stability and tough
Property lignocellulosic as filler, and by carrying out different surface modification treatments to it, reach toughness reinforcing, enhancing and anti-
The purpose of cracking, so as to further improve its mechanical stability under tension and compression cyclic loading and vibrational state.In addition, wooden fibre
Dimension element also has thickener, and thixotropic transformation can improve workability.
Brief description of the drawings
Fig. 1 is the flow chart that epoxy resin sealant of the present invention is used in duct pieces of shield tunnel interannular.
Embodiment
In order to make the purpose , technical scheme and advantage of the present invention be clearer, it is right below in conjunction with drawings and Examples
The present invention is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, and
It is not used in the restriction present invention.As long as in addition, technical characteristic involved in each embodiment of invention described below
Not constituting conflict each other can just be mutually combined.
Embodiment 1
By E44 types epoxy resin and liquid dimethyl silicone polymer according to mass ratio 5:1 mixing, adds 1% tin dilaurate
Dibutyl tin catalyst, is heated to 120 DEG C of reaction 4h, obtains modified epoxy.
With methanol solution (V methanol:V water=5:1) preparing γ-glycidoxypropyltrimethoxysilane alkane content is
5% inorganic agent, lignocellulosic is added in inorganic agent and handles 3h, is then filtered, and the wood fibre being filtrated to get is put
3h is handled at 105 DEG C in baking oven, to remove the solvent adsorbed in lignocellulosic and further promote wood fibre surface
Silylating reagent, obtain modified wood fibre element I.
By 50 parts of modified epoxy, 5 parts of ethylene glycol diglycidylether, I 20 parts of modified wood fibre element, carbon black 0.1
Part, 0.01 part of ultramarine obtains component A using mechanical agitation is well mixed.
Utilize ethanol solution (V ethanol:V water=6:1) processing that gamma-aminopropyl-triethoxy-silane content is 5% is prepared
Agent, lignocellulosic is added in inorganic agent and handles 3h, is then filtered, and the wood fibre being filtrated to get is placed in baking oven
1.5h is handled at 110 DEG C, to remove the solvent adsorbed in lignocellulosic and further promote the silanization of wood fibre surface
It is modified, obtain modified wood fibre element II.
By V125 (one kind of polyamide), V115 (one kind of polyamide), trien, N, N '-dicyanoethyl two
Ethylenetriamine, DMP-30 is according to mass ratio 1:2:1:6:0.5 is mixed to get curing agent.
By 50 parts of curing agent, 20 parts of Amino End Group liquid polydimethylsiloxane, II 20 parts of modified wood fibre element is mixed
To B component.
By component A and B component according to quality parts ratio 5:2 are well mixed, and epoxy resin sealant is obtained after solidification.
Embodiment 2
By epoxy resin (mixture of E44 types epoxy resin and E51 type epoxy resin is formed) and liquid poly dimethyl silicon
Oxygen alkane is according to mass ratio 5:1 mixing, adds 1% dibutyltin dilaurate catalyst, is heated to 150 DEG C of reaction 2h, is changed
Property epoxy resin.
With methanol solution (V methanol:V water=17:3) preparing γ-glycidoxypropyltrimethoxysilane alkane content is
5% inorganic agent, lignocellulosic is added in inorganic agent and handles 2.5h, is then filtered, by the wood fibre being filtrated to get
It is placed in baking oven and handles 3h at 105 DEG C, removes the solvent adsorbed in lignocellulosic and further promote wood fibre table
The silylating reagent in face, obtains modified wood fibre element I.
By 50 parts of modified epoxy, 10 parts of 1,4- butanediol diglycidyl ethers, modified wood fibre plain I 15 parts, charcoal
Black 0.1 part and 0.01 part of ultramarine obtain component A using mechanical agitation is well mixed.
Utilize ethanol solution (V ethanol:V water=5.5:1) place that gamma-aminopropyl-triethoxy-silane content is 10% is prepared
Agent is managed, lignocellulosic is added in inorganic agent and handles 2h, is then filtered, the wood fibre being filtrated to get is placed in baking oven
2h is handled at 105 DEG C, to remove the solvent adsorbed in lignocellulosic and further promote the silanization of wood fibre surface
It is modified, obtain modified wood fibre element II.
By V115 (one kind of polyamide), trien, N, N '-dicyanoethyl diethylenetriamines, DMP-30 presses
According to mass ratio 3:2:3:1 is mixed to get curing agent
By 50 parts of curing agent, 30 parts of Amino End Group liquid polydimethylsiloxane, II 15 parts of modified wood fibre element is mixed
To B component.
By component A and B component according to mass ratio 5:2 are well mixed, and epoxy resin sealant is obtained after solidification.
Embodiment 3
By South Asia NPEF170 types epoxy resin and liquid dimethyl silicone polymer according to mass ratio 10:3 mixing, addition
1.5% dibutyltin dilaurate catalyst, is heated to 130 DEG C of reaction 3.5h, obtains modified epoxy.
With methanol solution (V methanol:V water=6:1) preparing γ-glycidoxypropyltrimethoxysilane alkane content is
10% inorganic agent, lignocellulosic is added in inorganic agent and handles 2h, is then filtered, and the wood fibre being filtrated to get is put
2h is handled at 110 DEG C in baking oven, to remove the solvent adsorbed in lignocellulosic and further promote wood fibre surface
Silylating reagent, obtain modified wood fibre element I.
By 50 parts of modified epoxy, 1,6- 5 parts of hexanediol diglycidyl ether, carbon 12 to carbon myristyl shrinks sweet
Oily 5 parts of ether, I 10 parts of modified wood fibre element, 0.2 part of carbon black, 0.02 part of ultramarine obtains A groups using mechanical agitation is well mixed
Point.
Utilize ethanol solution (V ethanol:V water=6:1) processing that gamma-aminopropyl-triethoxy-silane content is 10% is prepared
Agent, lignocellulosic is added in inorganic agent and handles 2.5h, is then filtered, and the wood fibre being filtrated to get is placed in baking oven
1.5h is handled at 115 DEG C, to remove the solvent adsorbed in lignocellulosic and further promote the silane of wood fibre surface
Change and be modified, obtain modified wood fibre element II.
By V140 (one kind of polyamide), trien, N, N '-dicyanoethyl diethylenetriamines, DMP-30 presses
According to mass ratio 3:2.5:6:0.5 is mixed to get curing agent.
By 50 parts of curing agent, 20 parts of Amino End Group liquid polydimethylsiloxane, II 15 parts of modified wood fibre element is mixed
To B component.
By component A and B component according to mass ratio 20:9 are well mixed, and epoxy resin sealant is obtained after solidification.
Embodiment 4
By epoxy resin (mixture of E44 types epoxy resin and NPEF170 epoxy resin is formed) and liquid poly dimethyl
Siloxanes is according to mass ratio 5:2 mixing, add 1.5% dibutyltin dilaurate catalyst, are heated to 130 DEG C of reaction 4h, obtain
To modified epoxy.
With methanol solution (V methanol:V water=5.5:1) preparing γ-glycidoxypropyltrimethoxysilane alkane content is
15% inorganic agent, lignocellulosic is added in inorganic agent and handles 1h, is then filtered, and the wood fibre being filtrated to get is put
1h is handled at 120 DEG C in baking oven, to remove the solvent adsorbed in lignocellulosic and further promote wood fibre surface
Silylating reagent, obtain modified wood fibre element I.
50 parts of modified epoxy, 15 parts of polypropylene glycol diglycidyl ether, I 20 parts of modified wood fibre element, carbon black 0.7
Part, 0.1 part of mechanical mixture of ultramarine uniformly obtains component A.
Utilize ethanol solution (V ethanol:V water=5:1) processing that gamma-aminopropyl-triethoxy-silane content is 15% is prepared
Agent, lignocellulosic is added in inorganic agent and handles 3h, is then filtered, and the wood fibre being filtrated to get is placed in baking oven
3h is handled at 100 DEG C, to remove the solvent adsorbed in lignocellulosic and further promote the silanization of wood fibre surface to change
Property, obtain modified wood fibre element II.
By V115 (one kind of polyamide), trien, N, N '-dicyanoethyl diethylenetriamines, DMP-30 presses
According to ratio mass ratio 3:3:6:0.8 is mixed to get curing agent.
By 50 parts of curing agent, 25 parts of Amino End Group liquid polydimethylsiloxane, II 20 parts of modified wood fibre element is mixed
To B component.
By component A and B component according to mass ratio 10:3 are well mixed, and epoxy resin sealant is obtained after solidification.
Embodiment 5
By E51 types epoxy resin and liquid dimethyl silicone polymer according to mass ratio 2:1 mixing, adds 2% tin dilaurate
Dibutyl tin catalyst, is heated to 140 DEG C of reaction 3h, obtains modified epoxy.
With methanol solution (V methanol:V water=6:1) preparing γ-glycidoxypropyltrimethoxysilane alkane content is
15% inorganic agent, lignocellulosic is added in inorganic agent and handles 2h, is then filtered, and the wood fibre being filtrated to get is put
2h is handled at 100 DEG C in baking oven, to remove the solvent adsorbed in lignocellulosic and further promote wood fibre surface
Silylating reagent, obtain modified wood fibre element I.
50 parts of modified epoxy, 3 parts of ethylene glycol diglycidylether, 3 parts of BDDE, 1,6-
5 parts of hexanediol diglycidyl ether, I 20 parts of modified wood fibre element, 1 part of carbon black, 0.2 part of ultramarine is uniform using mechanical mixture
Obtain component A.
By V115 (one kind of polyamide), V140 (one kind of polyamide), V125 (one kind of polyamide), triethylene four
Amine, N, N '-dicyanoethyl diethylenetriamines, DMP-30l is according to mass ratio 1:1:1:3:5:0.6 is mixed to get curing agent.
Utilize ethanol solution (V ethanol:V water=6:1) processing that gamma-aminopropyl-triethoxy-silane content is 15% is prepared
Agent, lignocellulosic is added in inorganic agent and handles 1h, is then filtered, and the wood fibre being filtrated to get is placed in baking oven
1h is handled at 120 DEG C, to remove the solvent adsorbed in lignocellulosic and further promote the silanization of wood fibre surface to change
Property, obtain modified wood fibre element II.
By 50 parts of curing agent, 30 parts of Amino End Group liquid polydimethylsiloxane, II 10 parts of modified wood fibre element is mixed
To B component.
By component A and B component according to 100:50 are well mixed, and epoxy resin sealant is obtained after solidification.
The technical indicator that epoxy sealing glue is made in above-mentioned 5 case study on implementation is shown in Table 1.
The performance test parameter list of table 1
The application method of the epoxy sealing glue of any of the above-described embodiment is as follows：
1) the section of jurisdiction end of shield tunnel is cleaned out；
2) sealing treatment is carried out to section of jurisdiction seam using sealant tape；
3) injecting glue construction is carried out to segment joint segmentation using glue-injection machine, until being full of asphalt mixtures modified by epoxy resin between whole section of jurisdiction in gap
Fat fluid sealant；
4) sealant tape is removed after epoxy resin sealant solidifies.
As it will be easily appreciated by one skilled in the art that the foregoing is merely illustrative of the preferred embodiments of the present invention, it is not used to
The limitation present invention, any modifications, equivalent substitutions and improvements made within the spirit and principles of the invention etc., it all should include
Within protection scope of the present invention.
Claims (8)
1. a kind of epoxy resin sealant, it is characterised in that be made up of two kinds of components of component A and B component and component A and B groups
The mass ratio divided is 10：3-2：1, wherein,
Each raw materials by weight portion meter in component A includes：50 parts of modified epoxy, 5-15 parts of epoxide diluent, innovation wood
10-20 parts of matter cellulose Ⅰ, 0.1-1 parts of carbon black, 0.01-0.1 parts of ultramarine；
Each raw materials by weight portion meter in B component includes：50 parts of curing agent, Amino End Group liquid polydimethylsiloxane 20-30
Part, II 10-20 parts of modified wood fibre element.
2. a kind of epoxy resin sealant according to claim 1, it is characterised in that the modified epoxy is liquid
Polydimethylsiloxane--modified epoxy resin, the preparation method of the liquid polydimethylsiloxane modified epoxy is：Will
Epoxy resin and liquid polydimethylsiloxane are according to mass ratio 5：1-2：1 mixing, adds 1%-2% dibutyl tin laurates
Catalyst, being heated to 120-150 DEG C makes mixture react 2-4h, then obtains the modification containing dimethyl silicone polymer branched structure
Epoxy resin.
3. a kind of epoxy resin sealant according to claim 2, it is characterised in that epoxy resin is bisphenol type epoxy
Resin and/or bisphenol f type epoxy resin.
4. a kind of epoxy resin sealant according to claim 1, it is characterised in that epoxide diluent is polypropylene glycol two
Glycidol ether, polyethyleneglycol diglycidylether, ethylene glycol diglycidylether, 1,4- butanediol diglycidyl ethers, 1,
The one or more of 6- hexanediol diglycidyl ethers, carbon 12 into carbon myristyl glycidol ether.
5. a kind of epoxy resin sealant according to claim 1, it is characterised in that modified wood fibre element I is silane
γ-glycidoxypropyltrimethoxysilane alkane surface modified wood fibre element, its preparation method is as follows：It is using volume ratio
VMethanol:VWater=5:1~6:It is 5%-15%'s that 1 methanol solution, which prepares γ-glycidoxypropyltrimethoxysilane alkane content,
Inorganic agent, lignocellulosic is added in inorganic agent and handles 1-3h, is then filtered, and the wood fibre being filtrated to get is placed in into baking
1-3h is handled at 100-120 DEG C in case, to remove the solvent adsorbed in lignocellulosic and further promote wood fibre table
The silylating reagent in face, obtains modified wood fibre element I.
6. a kind of epoxy resin sealant according to claim 1, it is characterised in that curing agent is polyamide, Sanya second
The mixture of urotropine, N, N '-dicyanoethyl diethylenetriamines and DMP-30 compositions, their mass ratioes are 3:(1-3):(3-
6):(0.5-1)。
7. a kind of epoxy resin sealant according to claim 1, it is characterised in that modified wood fibre element II is silane
Gamma-aminopropyl-triethoxy-silane surface modified wood fibre element, its preparation method is as follows：It is V using volume ratioEthanol:VWater=5:
1~6:1 ethanol solution prepares the inorganic agent that gamma-aminopropyl-triethoxy-silane content is 5-15%, by lignocellulosic plus
Enter and 1-3h is handled into inorganic agent, then filter, the wood fibre being filtrated to get is placed in baking oven and handled at 100-120 DEG C
1-3h, to remove the solvent adsorbed in lignocellulosic and further promote the silylating reagent of wood fibre surface, is changed
Property lignocellulosic II.
8. the application of any described epoxy resin sealant in claim 1-7, it is characterised in that comprise the following steps：
1) the section of jurisdiction end of shield tunnel is cleaned out；
2) sealing treatment is carried out to section of jurisdiction seam using sealant tape；
3) injecting glue construction is carried out to segment joint segmentation using glue-injection machine, until close full of epoxy resin in gap between whole section of jurisdiction
Sealing；
4) sealant tape is removed after epoxy resin sealant solidifies.
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| CN108192548A (en) * | 2017-12-29 | 2018-06-22 | 广东铁科灌浆科技有限公司 | Permanent seal cooling epoxy resin caulking material and preparation method thereof |
| CN109266274A (en) * | 2018-08-21 | 2019-01-25 | 溧阳二十八所系统装备有限公司 | A kind of high intensity room temperature fast-curing two-component epoxy construction gluing agent |
| CN109593498A (en) * | 2018-11-28 | 2019-04-09 | 湖北回天新材料股份有限公司 | A kind of automobile folding adhesive and preparation method thereof |
| CN112226046A (en) * | 2020-10-19 | 2021-01-15 | 中铁第四勘察设计院集团有限公司 | Shield tunnel segment seam caulking resin material, preparation and application method |
| CN115746430A (en) * | 2022-11-16 | 2023-03-07 | 广东东方广厦模块化建筑有限公司 | Composite board core board and preparation method thereof |
| CN117844061A (en) * | 2023-11-27 | 2024-04-09 | 广东睿鹏材料科学有限公司 | Corn straw-based alkyd resin and preparation method thereof |
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| CN108192548A (en) * | 2017-12-29 | 2018-06-22 | 广东铁科灌浆科技有限公司 | Permanent seal cooling epoxy resin caulking material and preparation method thereof |
| CN108192548B (en) * | 2017-12-29 | 2021-02-12 | 广东铁科灌浆科技有限公司 | Durable epoxy resin caulking material and preparation method thereof |
| CN109266274A (en) * | 2018-08-21 | 2019-01-25 | 溧阳二十八所系统装备有限公司 | A kind of high intensity room temperature fast-curing two-component epoxy construction gluing agent |
| CN109593498A (en) * | 2018-11-28 | 2019-04-09 | 湖北回天新材料股份有限公司 | A kind of automobile folding adhesive and preparation method thereof |
| CN112226046A (en) * | 2020-10-19 | 2021-01-15 | 中铁第四勘察设计院集团有限公司 | Shield tunnel segment seam caulking resin material, preparation and application method |
| CN112226046B (en) * | 2020-10-19 | 2024-01-16 | 中铁第四勘察设计院集团有限公司 | Resin material for caulking seams of shield tunnel segments, preparation and application methods |
| CN115746430A (en) * | 2022-11-16 | 2023-03-07 | 广东东方广厦模块化建筑有限公司 | Composite board core board and preparation method thereof |
| CN115746430B (en) * | 2022-11-16 | 2024-03-22 | 广东东方广厦模块化建筑有限公司 | Composite board core board and preparation method thereof |
| CN117844061A (en) * | 2023-11-27 | 2024-04-09 | 广东睿鹏材料科学有限公司 | Corn straw-based alkyd resin and preparation method thereof |
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