CN108865034B - A kind of adhesive and preparation method thereof for being repaired under steel structure water - Google Patents
A kind of adhesive and preparation method thereof for being repaired under steel structure water Download PDFInfo
- Publication number
- CN108865034B CN108865034B CN201810533306.1A CN201810533306A CN108865034B CN 108865034 B CN108865034 B CN 108865034B CN 201810533306 A CN201810533306 A CN 201810533306A CN 108865034 B CN108865034 B CN 108865034B
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- parts
- adhesive
- underwater
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- steel structure
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Classifications
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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
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/24—Acids; Salts thereof
- C08K3/26—Carbonates; Bicarbonates
- C08K2003/265—Calcium, strontium or barium carbonate
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K2201/00—Specific properties of additives
- C08K2201/011—Nanostructured additives
Abstract
The present invention provides a kind of adhesive and preparation method thereof for repairing under steel structure water and belongs to field of adhesive technology, and composition and weight fraction are as follows: 2~6 parts of nano silica, 90~110 parts of bisphenol-A-E51 epoxy resin, 10~15 parts of diluent acetone, 20~25 parts of double-quick cement, 50~55 parts of silicon powder, 0.5~2 part of moistening flatting agent, 40~50 parts of 1085A underwater curing agent, 30~35 parts of light calcium carbonate powder, 10~15 parts of talcum powder, 1~2 part of adhesion promoter.Underwater composite adhesive underwater construction prepared by the present invention and underwater curing are had excellent performance, good mechanical properties, have certain reference value to underwater steel construction reinforcement and repair engineering.
Description
Technical field
The invention belongs to field of adhesive technology, it is related to a kind of adhesive for repairing under steel structure water and its preparation side
Method.
Background technique
Currently, building structure adhesive can have good caking property to numerous construction materials such as concrete, steel, timber
Can, it is widely used to field of civil engineering, however it is particularly applied to underwater structure repair also in hydraulic engineering field
In the starting stage.It, can be in water as the increasingly developed and underwater steel construction reparation demand of hydraulic engineering is continuously increased
Lower construction solidifies and has high-intensitive adhesive more and more required by market.
Submerged structure adhesive belongs to special building structure adhesive, due to its construction environment particularity and have water
The characteristics, the increasingly concern by mechanism, school and scientific research institutions such as lower bonding, underwater curing, underwater maintenance.Last century 60 years
Since generation, foreign countries start the developmental research for being dedicated to epoxy aquatic adhesive, develop organic silicon adhesive, acrylate successively
Adhesive, polyurethane-type coating etc. are applied to underwater adhesive, but the mechanical strength of these adhesive is low, poor water resistance and difficulty
With solidification, much it is not enough to be applied in Practical Project.Therefore, seek a kind of underwater repair of high-intensitive, quick adhesive solidification
Adhesive is of great significance to submerged structure reparation.
Summary of the invention
In view of the problems of the existing technology, the present invention provides a kind of adhesive and its system for repairing under steel structure water
Preparation Method.
The technical solution of the present invention is as follows:
A kind of adhesive for repairing under steel structure water, composition and weight fraction are as follows:
2~6 parts of nano silica, 90~110 parts of bisphenol-A-E51 epoxy resin, 10~15 parts of diluent, double-quick cement
20~25 parts, 50~55 parts of silicon powder, 0.5~2 part of moistening flatting agent, 40~50 parts of 1085A underwater curing agent, light calcium carbonate powder 30~
35 parts, 10~15 parts of talcum powder, 1~2 part of adhesion promoter.The diluent is acetone.
The preparation method of the above-mentioned adhesive for being repaired under steel structure water, comprising the following steps:
(1) raw material is weighed respectively according to parts by weight.Specifically: 2~6 parts of nano silica, bisphenol-A-E51 asphalt mixtures modified by epoxy resin
90~110 parts of rouge, 10~15 parts of diluent, 20~25 parts of double-quick cement, 50~55 parts of silicon powder, moistening flatting agent 0.5~2
Part, 40~50 parts of 1085A underwater curing agent, 30~35 parts of light calcium carbonate powder, 10~15 parts of talcum powder, 1~2 part of adhesion promoter.
The diluent is acetone.
(2) at room temperature, 0.25~0.75 part of coupling agent KH-560 is added in acetone soln, powerful motor blender is mixed
After closing uniformly, 2~6 parts of nano silica is added, mixed solution is placed in supersonic generator and handles 35~45min, is made
Nanoparticle is dispersed in solution.
The corresponding nano silica for being added 2~6 parts of every 0.25~0.75 part of the coupling agent KH-560, wherein even
The mass ratio for joining agent KH-560 and nano silica is 1:8.
(3) at room temperature, 90~110 parts of bisphenol-A-E51 epoxy resin are added in mixed solution made from step (2), are adopted
After mixing with powerful motor blender, 70~80 DEG C are heated up to and slough acetone, continue with 30 using supersonic generator
~40min obtains nano-silicon dioxide modified epoxy resin solution.
(4) when temperature is down to room temperature, by 10~15 parts of diluents (acetone), 20~25 parts of double-quick cement, 50~55
The silicon powder, 0.5~2 part of moistening flatting agent of part, are added in the epoxy resin solution that step (3) obtain, using powerful motor
Standing a moment obtains component A after blender mixes 25~30min.
In addition, at room temperature, by 40~50 parts of 1085A underwater curing agent, 30~35 parts of light calcium carbonate powder, 10~15 parts
Talcum powder, 1~2 part of adhesion promoter sequentially add in container, using quiet after 25~30min of powerful motor blender mixing
It sets and obtains B component for a moment.
(5) A, B component are mixed at room temperature, 25~30min standing is handled using powerful motor blender and is obtained in a moment
Nano-silicon dioxide modified underwater epoxy resin adhesive.
The invention has the benefit that the adhesive preparation method is simple, gained adhesive can be with underwater construction, underwater solid
Change, and adhesive property is excellent in its water, underwater repair effect is good, highest shear strength is 14.67MPa, tensile strength is
37.79MPa, compressive strength 45.9Mpa, certain reference is provided for underwater steel construction reinforcement and repair.
Detailed description of the invention
Fig. 1 is underwater composite adhesive preparation process figure.
Specific embodiment
Technical solution for a better understanding of the present invention is further retouched in detail below in conjunction with drawings and examples work
It states.
Underwater composite adhesive in the embodiment of the present invention, according to each component in 1~embodiment of embodiment 7 in table 1
Proportion is formulated, and specific preparation method is as described below:
(1) raw material is weighed according to each group distribution ratio in 1 1~embodiment of the embodiment described 7 of table respectively
(2) suitable acetone soln is weighed in beaker, solution is added in coupling agent KH~560, with powerful motor blender
After mixing, solution is added in the nano silica of (1) weighed 1~embodiment of embodiment 7, mixed solution is placed in super
Sonic generator handles 40min, is dispersed in nanoparticle in solution.
(3) coupling agent and nano silica is added in the E-51 epoxy resin of (1) weighed 1~embodiment of embodiment 7
Mixed solution in, after mixing with powerful motor blender, be heated up to 80 DEG C, slough acetone, with supersonic generator after
Continuous processing 35min, obtains nano-silicon dioxide modified epoxy resin.
(4) temperature is down to 20 DEG C, by the diluent of (1) weighed 1~embodiment of embodiment 7, double-quick cement, silicon powder,
Moistening flatting agent is added sequentially in modified epoxy resin solution, with powerful motor blender mixing 30min, takes out beaker
Stand a moment afterwards to get component A is arrived.Beaker separately is taken, the 1085A for sequentially adding (1) weighed 1~embodiment of embodiment 7 is underwater
Curing agent, light calcium carbonate powder, talcum powder, adhesion promoter stand piece after taking out beaker with powerful motor blender mixing 30min
It carves to get B component is arrived.
(5) A, B component are mixed, handles 30min with powerful motor blender, stand a moment after taking out beaker to get arriving
Nano-silicon dioxide modified underwater epoxy resin adhesive.
(6) mechanical property survey is carried out to the underwater composite adhesive in 1~embodiment of embodiment 7 according to concerned countries standard
Examination, wherein shear strength test is implemented according to the requirement of GB/T7124-2008 " measurement of adhesive tensile shear strength ", draws
It stretches strength test to be implemented according to the requirement of GB/T2568-1995 " resin-cast body Erichsen test method ", compressive strength is surveyed
Examination is implemented according to the requirement of GB/T2569-1995 " Test method for compressive properties of resin casting body ".Mechanical experimental results are such as
Shown in table 2.
1 1~embodiment of embodiment of table, 7 adhesive raw materials each group distribution ratio
Part described in table 1 is " parts by weight ", and every part of benchmark is consistent.
Mechanics Performance Testing is carried out to the underwater composite adhesive in 1~embodiment of embodiment 7 according to concerned countries standard,
Underwater composite adhesive is finally determined to construct under water, under conditions of underwater curing, as known to table 2, the embodiment of the present invention 1~
Underwater composite adhesive tensile shear strength in embodiment 7 reaches as high as 14.67MPa, and tensile strength reaches as high as
37.79MPa, compressive strength reach as high as 45.9MPa.
2 1~embodiment of embodiment of table, 7 mechanical strength test result
Embodiments of the present invention above described embodiment only expresses, but it cannot be understood as special to the present invention
The limitation of the range of benefit, it is noted that for those skilled in the art, without departing from the inventive concept of the premise,
Various modifications and improvements can be made, these are all belonged to the scope of protection of the present invention.
Claims (5)
1. a kind of preparation method of the adhesive for being repaired under steel structure water, it is characterised in that following steps:
(1) raw material is weighed respectively according to parts by weight；
(2) at room temperature, coupling agent KH-560 is added in acetone soln, powerful motor blender after mixing, is added 2~6
Mixed solution is placed in supersonic generator processing, is dispersed in nanoparticle in solution by the nano silica of part；
Every 2~6 parts of the nano silica corresponds to the coupling agent KH-560 of 0.25~0.75 part of addition, wherein coupling agent
KH-560 and the mass ratio of nano silica are 1:8；
(3) at room temperature, 90~110 parts of bisphenol-A-E51 epoxy resin are added in mixed solution made from step (2), using strong
Power electric blender after mixing, is heated up to 70~80 DEG C and sloughs acetone, continued with and received using supersonic generator
The silica modified epoxy resin solution of rice；
(4) when temperature is down to room temperature, by 10~15 parts of diluent acetone, 20~25 parts of double-quick cement, 50~55 parts of silicon
Micro mist, 0.5~2 part of moistening flatting agent are added in the epoxy resin solution that step (3) obtain, using powerful motor blender
It is stood after mixing and obtains component A for a moment；
In addition, at room temperature, by 40~50 parts of 1085A underwater curing agent, 30~35 parts of light calcium carbonate powder, 10~15 parts of talcum
Powder, 1~2 part of adhesion promoter sequentially add in container, obtain B group using a moment is stood after the mixing of powerful motor blender
Point；
(5) A, B component are mixed at room temperature, is obtained after being stood using the processing of powerful motor blender nano-silicon dioxide modified
Underwater epoxy resin adhesive；
The adhesive respectively forms and weight fraction is as follows: 2~6 parts of nano silica, bisphenol-A-E51 epoxy resin 90~
110 parts, 10~15 parts of diluent, 20~25 parts of double-quick cement, 50~55 parts of silicon powder, 0.5~2 part of moistening flatting agent, 1085A
40~50 parts of underwater curing agent, 30~35 parts of light calcium carbonate powder, 10~15 parts of talcum powder, 1~2 part of adhesion promoter；Described is dilute
Releasing agent is acetone.
2. a kind of preparation method of adhesive for being repaired under steel structure water according to claim 1, which is characterized in that
Mixed solution described in step (2) is 35~45min in the supersonic generator processing time.
3. a kind of preparation method of adhesive for repairing under steel structure water according to claim 1 or 2, feature exist
In supersonic generator described in step (3) handles the time as 30~40min.
4. a kind of preparation method of adhesive for repairing under steel structure water according to claim 1 or 2, feature exist
In powerful motor blender described in step (3), step (5) handles the time as 25~30min.
5. a kind of preparation method of adhesive for being repaired under steel structure water according to claim 3, which is characterized in that
Powerful motor blender described in step (3), step (5) handles the time as 25~30min.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810533306.1A CN108865034B (en) | 2018-05-24 | 2018-05-24 | A kind of adhesive and preparation method thereof for being repaired under steel structure water |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810533306.1A CN108865034B (en) | 2018-05-24 | 2018-05-24 | A kind of adhesive and preparation method thereof for being repaired under steel structure water |
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| CN108865034A CN108865034A (en) | 2018-11-23 |
| CN108865034B true CN108865034B (en) | 2019-10-11 |
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| CN201810533306.1A Expired - Fee Related CN108865034B (en) | 2018-05-24 | 2018-05-24 | A kind of adhesive and preparation method thereof for being repaired under steel structure water |
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| CN115322717A (en) * | 2022-08-19 | 2022-11-11 | 哈尔滨工程大学 | Fiber-reinforced resin-based adhesive capable of being used for underwater construction and repairing underwater vehicle shell, and preparation method and construction method thereof |
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| CN1425730A (en) * | 2002-11-29 | 2003-06-25 | 国家工业建筑诊断与改造工程技术研究中心 | Method for reinforcing and repairing steel structure using fibre reinforced composite material |
| KR101126483B1 (en) * | 2011-03-10 | 2012-03-29 | 태경개발(주) | A maintaining method of the underwater structures with fiber sheet |
| CN103694938A (en) * | 2013-12-11 | 2014-04-02 | 南昌大学 | Adhesive for compound paper pallet with good adhesive property |
| CN105113431A (en) * | 2015-09-19 | 2015-12-02 | 福州大学 | Structure for repairing underwater support by using carbon fiber reinforced composite and construction method thereof |
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| KR101126483B1 (en) * | 2011-03-10 | 2012-03-29 | 태경개발(주) | A maintaining method of the underwater structures with fiber sheet |
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| CN106433537A (en) * | 2016-09-22 | 2017-02-22 | 佛山市桐立建材科技有限公司 | Modified epoxy adhesive and preparing method thereof |
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