CN107142071A - The paving steel bridge deck maintenance high-elastic joint filler of wall built-up, preparation method and application method - Google Patents

The paving steel bridge deck maintenance high-elastic joint filler of wall built-up, preparation method and application method Download PDF

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Publication number
CN107142071A
CN107142071A CN201710458609.7A CN201710458609A CN107142071A CN 107142071 A CN107142071 A CN 107142071A CN 201710458609 A CN201710458609 A CN 201710458609A CN 107142071 A CN107142071 A CN 107142071A
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parts
bridge deck
elastic joint
wall built
joint filler
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李款
潘友强
张辉
陈李峰
张健
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Jiangsu Road Traffic Science And Technology Co Ltd
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Jiangsu Road Traffic Science And Technology Co Ltd
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Priority to CN201710458609.7A priority Critical patent/CN107142071A/en
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    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09JADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
    • C09J181/00Adhesives based on macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing sulfur, with or without nitrogen, oxygen, or carbon only; Adhesives based on polysulfones; Adhesives based on derivatives of such polymers
    • C09J181/04Polysulfides
    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09JADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
    • C09J11/00Features of adhesives not provided for in group C09J9/00, e.g. additives
    • C09J11/02Non-macromolecular additives
    • C09J11/04Non-macromolecular additives inorganic
    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09JADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
    • C09J11/00Features of adhesives not provided for in group C09J9/00, e.g. additives
    • C09J11/02Non-macromolecular additives
    • C09J11/06Non-macromolecular additives organic
    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09JADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
    • C09J11/00Features of adhesives not provided for in group C09J9/00, e.g. additives
    • C09J11/08Macromolecular additives
    • EFIXED CONSTRUCTIONS
    • E01CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01DCONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
    • E01D19/00Structural or constructional details of bridges
    • E01D19/08Damp-proof or other insulating layers; Drainage arrangements or devices ; Bridge deck surfacings
    • E01D19/083Waterproofing of bridge decks; Other insulations for bridges, e.g. thermal ; Bridge deck surfacings
    • EFIXED CONSTRUCTIONS
    • E01CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01DCONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
    • E01D22/00Methods or apparatus for repairing or strengthening existing bridges ; Methods or apparatus for dismantling bridges
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K13/00Use of mixtures of ingredients not covered by one single of the preceding main groups, each of these compounds being essential
    • C08K13/02Organic and inorganic ingredients
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00Use of inorganic substances as compounding ingredients
    • C08K3/18Oxygen-containing compounds, e.g. metal carbonyls
    • C08K3/20Oxides; Hydroxides
    • C08K3/22Oxides; Hydroxides of metals
    • C08K2003/2262Oxides; Hydroxides of metals of manganese
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00Use of inorganic substances as compounding ingredients
    • C08K3/18Oxygen-containing compounds, e.g. metal carbonyls
    • C08K3/24Acids; Salts thereof
    • C08K3/26Carbonates; Bicarbonates
    • C08K2003/265Calcium, strontium or barium carbonate
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    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K2201/00Specific properties of additives
    • C08K2201/011Nanostructured additives
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    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K2201/00Specific properties of additives
    • C08K2201/014Additives containing two or more different additives of the same subgroup in C08K
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K5/00Use of organic ingredients
    • C08K5/04Oxygen-containing compounds
    • C08K5/10Esters; Ether-esters
    • C08K5/12Esters; Ether-esters of cyclic polycarboxylic acids
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    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K5/00Use of organic ingredients
    • C08K5/36Sulfur-, selenium-, or tellurium-containing compounds
    • C08K5/39Thiocarbamic acids; Derivatives thereof, e.g. dithiocarbamates
    • C08K5/40Thiurams, i.e. compounds containing groups
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    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2205/00Polymer mixtures characterised by other features
    • C08L2205/02Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
    • C08L2205/025Polymer 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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    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2205/00Polymer mixtures characterised by other features
    • C08L2205/03Polymer mixtures characterised by other features containing three or more polymers in a blend

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  • Civil Engineering (AREA)
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  • Inorganic Chemistry (AREA)
  • Road Paving Structures (AREA)
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Abstract

The present invention discloses a kind of high-elastic joint filler of paving steel bridge deck maintenance wall built-up, preparation method and application method, is made up of host A and curing agent B, the host A includes each component of following parts by weight:50 ~ 150 parts of liquid polysulfide rubbers, 20 ~ 100 parts of plasticizer, 0 ~ 30 part of tackifying resin, 50 ~ 250 parts of fillers, 1 ~ 3 part of coupling agent;The curing agent B includes each component of following parts by weight:30 ~ 60 parts of vulcanizing agents, 30 ~ 60 parts of plasticizer, 10 ~ 30 parts of fillers, 1 ~ 5 part of accelerator;The weight ratio of the host A and curing agent B are 100:5~15.Product of the present invention, which will be based on rheology principle, to have thixotropic filler be introduced into joint filler, so as to reduce high-elastic joint filler in the former mobility mated formation on section, realize it is new, old mat formation between sealing and bonding.In addition, product of the present invention is moved based on molecule segment and interaction mechanism using plasticizer further weakens the resistance of motion of high flexibility polysulfide rubber molecule interchain, so as to considerably increase the elasticity of wall built-up joint filler, realize it is new, old mat formation between cooperative transformation.

Description

The paving steel bridge deck maintenance high-elastic joint filler of wall built-up, preparation method and application method
Technical field
The present invention relates to a kind of Steel Bridge Deck repairing material, more particularly to a kind of paving steel bridge deck maintenance wall built-up is high-elastic connects Stitch material, preparation method and application method.
Background technology
At home under heavy duty, high temperature, rainy service condition, the problem of epoxy asphalt pavement fatigue toughness is not enough is highlighted, There are a large amount of fatigue cracks in the bituminous epoxy paving steel bridge deck that domestic early stage builds, and in rainwater and the coupling of driving load Under gradually develop into pit disease.
For the pit class disease that bituminous epoxy is common, existing maintenance technology and scheme primarily focus on pit repairing glue The exploitation of ramming material and compound, and have ignored it is new, old mat formation between bonding and cooperative transformation problem.Largely Engineering Projects show, At bituminous epoxy Steel Bridge Deck pit repairing position it is new, old mat formation between seaming position it is the weakest, should in fatigue load and temperature Secondary cracking easily occurs in the presence of power, pit disease is just gradually developed into after rainwater penetrates into bottom of mating formation along crack.
The defect existed in view of above-mentioned existing Steel Bridge Deck repairing material, the present inventor is based on being engaged in such product and setting Meter manufacture abundant for many years practical experience and professional knowledge, and coordinate the utilization of scientific principle, actively it is subject to research and innovation, to found A kind of paving steel bridge deck maintenance high-elastic joint filler of wall built-up, preparation method and application method, make it have more practicality.By Constantly research, design, and after studying sample repeatedly and improving, the present invention having practical value is created finally.
The content of the invention
It is a primary object of the present invention to, the defect for overcoming existing Steel Bridge Deck repairing material to exist, and provide a kind of The paving steel bridge deck maintenance high-elastic joint filler of wall built-up, preparation method and application method, improve the combination of new, old seam crossing of mating formation Fastness, thus more suitable for practicality, and with the value in industry.
The object of the invention to solve the technical problems is realized using following technical scheme.According to present invention proposition Paving steel bridge deck maintenance use the high-elastic joint filler of wall built-up, be made up of host A and curing agent B,
The host A includes each component of following parts by weight:
50~150 parts of liquid polysulfide rubbers,
20~100 parts of plasticizer,
0~30 part of tackifying resin,
50~250 parts of fillers,
1~3 part of coupling agent;
The curing agent B includes each component of following parts by weight:
30~60 parts of vulcanizing agents,
30~60 parts of plasticizer,
10~30 parts of fillers,
1~5 part of accelerator;
The weight ratio of the host A and curing agent B are 100:Plasticizer and the curing agent in 5~15, the host A Plasticizer in B is plasticizer of the same race or not of the same race;Filler in the host A is of the same race with the filler in the curing agent B Or filler not of the same race.
The foregoing paving steel bridge deck maintenance high-elastic joint filler of wall built-up, the liquid polysulfide rubber be G10, G112, One or both of G131, G1, G12, G21, G22, G44 or G4 and the above mixture.
The foregoing paving steel bridge deck maintenance high-elastic joint filler of wall built-up, the plasticizer be dibutyl phthalate, One or more in BBP(Butyl Benzyl Phthalate, dioctyl phthalate, dimethicone, pentachlorodiphenyl and chlorinated paraffin.
The foregoing paving steel bridge deck maintenance high-elastic joint filler of wall built-up, the tackifying resin is epoxy resin, phenolic aldehyde tree In fat, methyl methacrylate, butyl methacrylate, vinylacetate, organo-tin compound polyester and cyanocarboxylic acid esters One or more.
The foregoing paving steel bridge deck maintenance high-elastic joint filler of wall built-up, the filler is precipitated calcium carbonate, heavy carbonic acid One or more in calcium, nano-calcium carbonate, talcum powder, sericite in powder, fumed silica, carbon black.
The foregoing paving steel bridge deck maintenance high-elastic joint filler of wall built-up, the coupling agent is γ-glycidyl-oxypropyl Trimethoxy silane, gamma-aminopropyl-triethoxy-silane, γ-(methacryloxypropyl) propyl trimethoxy silicane and β-(3, 4- epoxycyclohexyls) one or more in ethyl trimethoxy silane.
The foregoing paving steel bridge deck maintenance high-elastic joint filler of wall built-up, the vulcanizing agent be manganese dioxide, brown lead oxide, One or more in calper calcium peroxide, zinc oxide, paraquinonedioxime.
The foregoing paving steel bridge deck maintenance high-elastic joint filler of wall built-up, the accelerator is sulphur, tetramethyl Thiuram, tetraethylthiuram disulfide, diphenylguanidine, PZ, dibutyl dithiocaarbamate One or more in sodium, magnesium acetate.
The foregoing paving steel bridge deck maintenance preparation method of the high-elastic joint filler of wall built-up, comprises the following steps:
(1) liquid polysulfide rubber, plasticizer, tackifying resin, coupling agent, filler, and input stirring successively are weighed in proportion Stirred in machine, stirring incorporation time is 0.5~1.5h;
(2) vulcanizing agent, plasticizer, accelerator, filler are weighed in proportion, and is stirred successively in input mixer, and stirring is mixed The conjunction time is 0.5~1.5h;
(3) the ground machine of gained mixture in step (1) is ground, obtains host A, by gained mixture in step (2) Ground machine grinding, obtains curing agent B;
(4) weigh the host A and curing agent B obtained in step (3) in proportion, and by mixer stirring mixing 5~ 30min, is made target product.
The foregoing paving steel bridge deck maintenance application method of the high-elastic joint filler of wall built-up, comprises the following steps:
(1) excavate remnants at paving steel bridge deck pit to mat formation, and the wall of pit four is cut into 90°Section;
(2) polishing derusting is carried out to steel plate, then coats water-proof tack coat in surface of steel plate;
(3) the high-elastic joint filler of paving steel bridge deck maintenance wall built-up is uniformly coated in the wall of pit four, coating thickness is 1~ 3mm;
(4) pave patching compound in pit, then rolls, health.
By above-mentioned technical proposal, the paving steel bridge deck maintenance high-elastic joint filler of wall built-up of the invention, preparation method and Application method at least has following advantages:
(1) present invention uses rheology principle, by powdered whiting, precipitated calcium carbonate, nano-calcium carbonate, talcum powder, gas The filler that phase method silica etc. has thixotropic effect is introduced into joint filler, is mated formation section in original so as to reduce joint filler On mobility, realize it is new, old mat formation between sealing and bonding.
(2) present invention from manganese dioxide etc. can auto-vulcanization vulcanizing agent, and in tetramethylthiuram disulfide etc. In the presence of accelerator, the normal temperature conditioned time of the high-elastic joint filler of wall built-up is substantially reduced, it is achieved thereby that right at normal temperatures The high-elastic joint filler of wall built-up is constructed and health.
(3) present invention is based on molecule segment motion and interaction mechanism, from the flexible higher liquid polysulfide rubber of segment Glue, and use the plasticizer such as dibutyl phthalate further to weaken the resistance of motion of polysulfide rubber molecule interchain, increase Added the elasticity of wall built-up joint filler, so that it is guaranteed that newly, it is old mat formation between cooperative transformation.
Described above is only the general introduction of technical solution of the present invention, in order to better understand the technological means of the present invention, And can be practiced according to the content of specification, described in detail below with presently preferred embodiments of the present invention as after.
Brief description of the drawings
Fig. 1 is the high-elastic joint filler repairing structural representation of paving steel bridge deck maintenance wall built-up;
Implication is marked in figure:1. former paving structure, the high-elastic joint filler of 2. wall built-ups, 3. pit repairings are mated formation, 4. waterproofs are glued Tie layer, 5. steel plates.
Embodiment
Further to illustrate the present invention to reach the technological means and effect that predetermined goal of the invention is taken, to according to this Paving steel bridge deck maintenance wall built-up high-elastic joint filler that invention is proposed, preparation method and application method its embodiment, Feature and its effect, are described in detail as after.
Embodiment 1:
Prepare the paving steel bridge deck maintenance high-elastic joint filler of wall built-up of the present invention:
(1) by 100 parts of liquid polysulfide rubber G4 (Akzo Nobel's sulphur gel (Taixing) Co., Ltd), 40 parts of plasticising Agent dibutyl phthalate (Dongguan City Rui Yu Chemical Co., Ltd.s), 10 parts of tackifying resin epoxy resin (NPEL128, South Asia Epoxy resin (Kunshan) Co., Ltd), 1 part of coupling agent gamma-aminopropyl-triethoxy-silane (limited public affairs of Nanjing dawn Chemical Group Department), 200 parts of powdered whitings (MJHF-1250, Suzhou Ming Jiang Fine Chemical Co., Ltd) and 5 parts of fumed silicas (AEROSIL R974 win wound Degussa) successively in input planetary mixer, then stirring mixing 1h is ground using three-roll grinder Mill 3 times, obtains the high-elastic joint filler host A of wall built-up.
(2) by 40 parts of vulcanizing agent MnO2(β-MnO2, Xushui County fixed star anti-corrosion material factory), 50 parts of plasticizer phthalic acids Dibutyl ester (Nantong Run Feng petrochemical industries Co., Ltd), 1 part of vulcanization accelerator diphenylguanidine (Jinan Rui Bo Chemical Co., Ltd.s) with And 10 parts of carbon blacks (N330, Jiangxi Black Cat Carbon Black Co., Ltd.) put into planetary mixer successively, then stirring mixing 1h adopts Ground 3 times with three-roll grinder, obtain the high-elastic joint filler curing agent B of wall built-up.
(3) by the high-elastic joint filler host A of obtained wall built-up and the high-elastic joint filler curing agent B of wall built-up by 100:10 ratio Example stirring mixing, obtains the high-elastic joint filler of paving steel bridge deck maintenance wall built-up, and carry out correlated performance test.
By the materials application of preparation in the repairing of paving steel bridge deck.
(1) excavate remnants at the former pit of paving structure 1 to mat formation, and the wall of pit four is cut into section in 90 °;
(2) polishing derusting is carried out to steel plate 5, then coats water-proof tack coat 4 on the surface of steel plate 5;
(3) the high-elastic joint filler 2 of wall built-up is uniformly coated in the pit repairing wall of 3 pit four of mating formation, coating thickness is 1~3mm;
(4) mat formation the patching compound that paves in 3 pits in pit repairing, then roll, health.Structure is as shown in Figure 1.
Embodiment 2:
Prepare the paving steel bridge deck maintenance high-elastic joint filler of wall built-up of the present invention:
(1) by 100 parts of liquid polysulfide rubber G12 (Akzo Nobel's sulphur gel (Taixing) Co., Ltd), 50 parts of increasings Mould agent BBP(Butyl Benzyl Phthalate (Dongguan City Rui Yu Chemical Co., Ltd.s), 1 part of coupling agent γ-(methacryloxypropyl) propyl group three (MJHF-1250, Suzhou name craftsman becomes more meticulous for methoxy silane (NanJing Shuguang Chemical Group Co., Ltd.), 230 parts of powdered whitings Work Co., Ltd) and 20 parts of precipitated calcium carbonates (MJ-HXQG, Suzhou Ming Jiang Fine Chemical Co., Ltd) put into planet stirring successively In machine, then stirring mixing 1h is ground 3 times using three-roll grinder, obtains the high-elastic joint filler host A of wall built-up.
(2) by 100 parts of vulcanizing agent MnO2(γ-MnO2, You He Chemical Industry Science Co., Ltd of Foshan City), 100 parts of plasticizer neighbours Phthalic acid butyl benzyl (Dongguan City Rui Yu Chemical Co., Ltd.s), (Jinan is sharp for 1 part of vulcanization accelerator tetramethylthiuram disulfide Platinum Chemical Co., Ltd.) and 20 parts of carbon blacks (N220, Jiangxi Black Cat Carbon Black Co., Ltd.) put into planetary mixer successively, Stirring mixing 1h, is then ground 3 times using three-roll grinder, obtains the high-elastic joint filler curing agent B of wall built-up.
(3) by the high-elastic joint filler host A of obtained wall built-up and the high-elastic joint filler curing agent B of wall built-up by 100:12 ratio Example stirring mixing, obtains the high-elastic joint filler of paving steel bridge deck maintenance wall built-up, and carry out correlated performance test.
Embodiment 3:
Prepare the paving steel bridge deck maintenance high-elastic joint filler of wall built-up of the present invention:
(1) by 100 parts of liquid polysulfide rubber G1 (Akzo Nobel's sulphur gel (Taixing) Co., Ltd), 60 parts of plasticising Agent chlorinated paraffin (S52, Dongguan City Rui Yu Chemical Co., Ltd.), 1 part of coupling agent γ-glycidoxypropyl trimethoxy silane (NanJing Shuguang Chemical Group Co., Ltd.), 200 parts of talcum powder (MJ-SL1250, Suzhou Ming Jiang Fine Chemical Co., Ltd) and 5 Part nano-calcium carbonate (MJ-NM60, Suzhou Ming Jiang Fine Chemical Co., Ltd) is put into planetary mixer successively, stirring mixing 1h, is then ground 3 times using three-roll grinder, obtains the high-elastic joint filler host A of wall built-up.
(2) by 40 parts of vulcanizing agent MnO2(α-MnO2, Xiang Tan Wei Xinmeng Products Co., Ltd), 50 parts of plasticizer chlorinated paraffins (S52, Dongguan City Rui Yu Chemical Co., Ltd.), 1 part of vulcanization accelerator NB sodium dibutyl dithiocarbamate (sharp platinum chemical industry in Jinan Co., Ltd) and 10 parts of carbon blacks (N330, Jiangxi Black Cat Carbon Black Co., Ltd.) put into planetary mixer successively, stirring is mixed 1h is closed, is then ground 3 times using three-roll grinder, obtains the high-elastic joint filler curing agent B of wall built-up.
(3) by the high-elastic joint filler host A of obtained wall built-up and the high-elastic joint filler curing agent B of wall built-up by 100:8 ratio Example stirring mixing, obtains the high-elastic joint filler of paving steel bridge deck maintenance wall built-up, and carry out correlated performance test.
Performance test is carried out to target product prepared by embodiment 1~3:
According to GB/T 528-2009《Vulcanize the measure of rubber or thermoplastic elastomer tensile stress-strain performance》To what is obtained Paving steel bridge deck maintenance is detected with the tensile strength and elongation at break of the high-elastic joint filler of wall built-up;According to GB/T 13477-2002《Test method for building sealants》To under the obtained high-elastic joint filler of paving steel bridge deck maintenance wall built-up Sag, surface drying time detected, as a result as shown in table 1.
The paving steel bridge deck of the table 1 maintenance high-elastic joint filler the performance test results of wall built-up
The above described is only a preferred embodiment of the present invention, any formal limitation not is made to the present invention, though So the present invention is disclosed above with preferred embodiment, but is not limited to the present invention, any to be familiar with this professional technology people Member, without departing from the scope of the present invention, when the technology contents using the disclosure above make a little change or modification For the equivalent embodiment of equivalent variations, as long as being the content without departing from technical solution of the present invention, the technical spirit according to the present invention Any simple modification, equivalent variations and the modification made to above example, in the range of still falling within technical solution of the present invention.

Claims (10)

1. a kind of paving steel bridge deck maintenance high-elastic joint filler of wall built-up, is made up of host A and curing agent B, it is characterised in that:
The host A includes each component of following parts by weight:
50 ~ 150 parts of liquid polysulfide rubbers,
20 ~ 100 parts of plasticizer,
0 ~ 30 part of tackifying resin,
50 ~ 250 parts of fillers,
1 ~ 3 part of coupling agent;
The curing agent B includes each component of following parts by weight:
30 ~ 60 parts of vulcanizing agents,
30 ~ 60 parts of plasticizer,
10 ~ 30 parts of fillers,
1 ~ 5 part of accelerator;
The weight ratio of the host A and curing agent B are 100:In plasticizer and the curing agent B in 5 ~ 15, the host A Plasticizer is plasticizer of the same race or not of the same race;The filler in filler and the curing agent B in the host A is of the same race or difference Plant filler.
2. the paving steel bridge deck maintenance high-elastic joint filler of wall built-up according to claim 1, it is characterised in that:The liquid Polysulfide rubber is one or both of G10, G112, G131, G1, G12, G21, G22, G44 or G4 and the mixture of the above.
3. the paving steel bridge deck maintenance high-elastic joint filler of wall built-up according to claim 1, it is characterised in that:The plasticising Agent be dibutyl phthalate, BBP(Butyl Benzyl Phthalate, dioctyl phthalate, dimethicone, pentachlorodiphenyl with And the one or more in chlorinated paraffin.
4. the paving steel bridge deck maintenance high-elastic joint filler of wall built-up according to claim 1, it is characterised in that:The thickening Resin is epoxy resin, phenolic resin, methyl methacrylate, butyl methacrylate, vinylacetate, organo-tin compound One or more in polyester and cyanocarboxylic acid esters.
5. the paving steel bridge deck maintenance high-elastic joint filler of wall built-up according to claim 1, it is characterised in that:The filler For one in precipitated calcium carbonate, powdered whiting, nano-calcium carbonate, talcum powder, sericite in powder, fumed silica, carbon black Plant or several.
6. the paving steel bridge deck maintenance high-elastic joint filler of wall built-up according to claim 1, it is characterised in that:The coupling Agent be γ-glycidoxypropyl trimethoxy silane, gamma-aminopropyl-triethoxy-silane, γ-(Methacryloxypropyl)Propyl group Trimethoxy silane and β-(3,4- epoxycyclohexyls)One or more in ethyl trimethoxy silane.
7. the paving steel bridge deck maintenance high-elastic joint filler of wall built-up according to claim 1, it is characterised in that:The vulcanization Agent is the one or more in manganese dioxide, brown lead oxide, calper calcium peroxide, zinc oxide, paraquinonedioxime.
8. the paving steel bridge deck maintenance high-elastic joint filler of wall built-up according to claim 1, it is characterised in that:It is described to promote Agent be sulphur, tetramethylthiuram disulfide, tetraethylthiuram disulfide, diphenylguanidine, PZ, One or more in NB sodium dibutyl dithiocarbamate, magnesium acetate.
9. the preparation method of the paving steel bridge deck maintenance high-elastic joint filler of wall built-up described in claim 1~8 any one, it is special Levy and be, comprise the following steps:
(1)Liquid polysulfide rubber, plasticizer, tackifying resin, coupling agent, filler are weighed in proportion, and successively in input mixer Stirring, stirring incorporation time is 0.5 ~ 1.5h;
(2)Vulcanizing agent, plasticizer, accelerator, filler are weighed in proportion, and is stirred successively in input mixer, during stirring mixing Between be 0.5 ~ 1.5h;
(3)By step(1)The middle ground machine grinding of gained mixture, obtains host A, by step(2)Middle gained mixture is through grinding Grinding machine is ground, and obtains curing agent B;
(4)Step is weighed in proportion(3)In obtained host A and curing agent B, and pass through mixer stirring 5 ~ 30min of mixing, system Obtain target product.
10. the application method of the paving steel bridge deck maintenance high-elastic joint filler of wall built-up described in claim 1~8 any one, its It is characterised by, comprises the following steps:
(1)Excavate remnants at paving steel bridge deck pit to mat formation, and the wall of pit four is cut into 90°Section;
(2)Polishing derusting is carried out to steel plate, then water-proof tack coat is coated in surface of steel plate;
(3)The high-elastic joint filler of paving steel bridge deck maintenance wall built-up is uniformly coated in the wall of pit four, coating thickness is 1 ~ 3mm;
(4)Pave patching compound in pit, then rolls, health.
CN201710458609.7A 2017-06-16 2017-06-16 The paving steel bridge deck maintenance high-elastic joint filler of wall built-up, preparation method and application method Pending CN107142071A (en)

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CN109021912A (en) * 2018-06-21 2018-12-18 中国民用航空总局第二研究所 A kind of aircraft environmental protection type sealing adhesive and preparation method thereof
CN112281687A (en) * 2020-10-20 2021-01-29 南京道润交通科技有限公司 Steel bridge deck pavement pit defect repairing structure and repairing method

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Publication number Priority date Publication date Assignee Title
CN107987736A (en) * 2017-12-16 2018-05-04 广西宾阳县荣良农业科技有限公司 A kind of adhesive of building top
CN108949094A (en) * 2018-06-20 2018-12-07 河南阳光防水科技有限公司 Two-component water-swellable glue
CN109021912A (en) * 2018-06-21 2018-12-18 中国民用航空总局第二研究所 A kind of aircraft environmental protection type sealing adhesive and preparation method thereof
CN109021912B (en) * 2018-06-21 2021-04-20 中国民用航空总局第二研究所 Environment-friendly sealant for airplane and preparation method thereof
CN108467620A (en) * 2018-06-29 2018-08-31 佛山市高明区爪和新材料科技有限公司 A kind of water-fast polysulfide rubber sealant
CN112281687A (en) * 2020-10-20 2021-01-29 南京道润交通科技有限公司 Steel bridge deck pavement pit defect repairing structure and repairing method

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