CN106752798A - A kind of suspension bridge shaped steel anchor system Special spray coating type preserving and sealing glue - Google Patents

A kind of suspension bridge shaped steel anchor system Special spray coating type preserving and sealing glue Download PDF

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Publication number
CN106752798A
CN106752798A CN201611258455.9A CN201611258455A CN106752798A CN 106752798 A CN106752798 A CN 106752798A CN 201611258455 A CN201611258455 A CN 201611258455A CN 106752798 A CN106752798 A CN 106752798A
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China
Prior art keywords
parts
shaped steel
anchor system
suspension bridge
sealing glue
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Pending
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CN201611258455.9A
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Chinese (zh)
Inventor
倪雅
李紫跃
刘国彬
赵青青
王波
周春侠
高海棠
王金明
田有为
周忠振
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JIANGSU CUMT DAZHENG SURFACE ENGINEERING TECHNOLOGY CO LTD
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JIANGSU CUMT DAZHENG SURFACE ENGINEERING TECHNOLOGY CO LTD
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Priority to CN201611258455.9A priority Critical patent/CN106752798A/en
Publication of CN106752798A publication Critical patent/CN106752798A/en
Pending legal-status Critical Current

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    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09DCOATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D171/00Coating compositions based on polyethers obtained by reactions forming an ether link in the main chain; Coating compositions based on derivatives of such polymers
    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09DCOATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D11/00Inks
    • C09D11/02Printing inks
    • C09D11/04Printing inks based on proteins
    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09DCOATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D11/00Inks
    • C09D11/02Printing inks
    • C09D11/06Printing inks based on fatty oils
    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09DCOATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D11/00Inks
    • C09D11/02Printing inks
    • C09D11/08Printing inks based on natural resins
    • 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
    • C08K2201/00Specific properties of additives
    • C08K2201/011Nanostructured additives
    • CCHEMISTRY; METALLURGY
    • 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
    • CCHEMISTRY; METALLURGY
    • 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

Abstract

The invention discloses a kind of suspension bridge shaped steel anchor system Special spray coating type preserving and sealing glue, raw material and its parts by weight are as follows:20 45 parts of silane modified polyether resin, 10 30 parts of PPG, 15 30 parts of nano modification calcium carbonate, 6 15 parts of auxiliary rheological agents, 1 15 parts of hydrocarbon solvent, 0.2 1.0 parts of dehydrating agent, 0.05 1.0 parts of adhesion promoter, 0.1 1 parts of ultraviolet absorber, 0.1 1 parts of age resister, 0.05 1.0 parts of catalyst.This product have low viscosity, high thixotropic, it is sprayable the features such as, be particularly well-suited to bridge anchor system isolating and protecting field.

Description

A kind of suspension bridge shaped steel anchor system Special spray coating type preserving and sealing glue
Technical field
The present invention relates to a kind of preserving and sealing glue, and in particular to a kind of suspension bridge shaped steel anchor system Special spray coating type anti-corrosion Fluid sealant, is specially adapted for the isolating and protecting of suspension bridge shaped steel anchor system, is also applied for traffic, ship, ocean steel member etc. The sealing corrosion in field, belongs to preservative, sealant technical field.
Background technology
Anchor system is embedded in suspension bridge two ends, has poured the load-carrying members as suspension bridge after concrete.Shaped steel is anchored System is high because of its stability, and topmost anchor system form is increasingly becoming in recent years.Because shaped steel anchor system is located at substantially In product anchorage concrete, be chronically at the environment of humidity, be can not check, non-exchange component, therefore longevity of shaped steel anchor system Life determines the life-span of suspension bridge.And historical time that suspension bridge is built is limited at present, its implementation result, durability is on earth such as What, it is impossible to quantified, even qualitatively evaluated.Therefore, it is necessary to the durability of the raising shaped steel anchor system of limits.
Anchorage can produce heat during casting concrete, while spreading the processes such as water curing concrete can be made to be connect with anchor pole Synapsis produces ponding, causes inside itself to there is steam.And mass concrete unavoidably has crackle, extraneous steam enters Anchorage makes anchor pole be in humid air and then corrode, and the durability influence on shaped steel anchor system is larger.Su Qiang etc. exists《China Main rope of suspension bridge prestress anchoraging system design is inquired into》Illustrated as follows in one text:" the current mass concrete as anchorage There is crack to be difficult to avoid that, so actually shaped steel anchor system is constantly subjected to the erosion of corrosive medium in crack.Before avoiding Anchor surface concrete crack in tension, some shaped steel pull bars are being divided into soap-free emulsion polymeization near preceding anchor face, and this way is easily caused at this and accumulates Water ".
To protect anchor system long-term effectively, currently the anchor pole in the shaped steel anchor system is carried out at following protection Reason:1. anticorrosive coating;2. isolating and protecting.Wherein, the construction method of isolating and protecting typically has following steps:(1)In anchoring type Steel outer surface carries out traditional paint preservative treatment;(2)Blade coating 1-4mm fluid sealants;(3)It is wrapped the poly- second of foaming in fluid sealant outer surface The modes such as alkene cystosepiment.Above-mentioned construction has following features:Fluid sealant craft large area blade coating, outward appearance is uneven, and bubble is more; Double-component stirring is difficult to uniformly, and sealing glue solidifying quality is difficult to ensure that;Work efficiency is low, big on the influence of bridge construction duration.It can be seen that, prevent Rotten fluid sealant has extremely important status during shaped steel anchor system protective treatment.
Chinese invention patent CN104294761A disclose a kind of means of defence of main rope of suspension bridge anchor system, protect it is close Sealing and preparation method thereof, exclusion seal glue therein is a kind of polysulfide sealant of double-component low modulus, and the fluid sealant is one Ultralow modulus, the polysulfide sealant of overlength elongation are planted, there is certain protective action to anchoring shaped steel, but the fluid sealant is present Following several shortcomings:(1)Cohesion mechanics low intensity, tensile strength are low, adhesive force is low, and breakage is particularly easy in work progress;(2) Double-component stirring construction, colloid outward appearance is ugly, bubble is more;(3)Efficiency of construction is low;(4)Polysulfide sealant has excitant gas Taste, the construction friendly of workman is not enough.
Chinese invention patent CN105442447A discloses a kind of suspension bridge shaped steel shielding system isolating and protecting structure, the knot Structure has used a kind of environment-friendly type silane modified polyether seal glue, with comprehensive mechanical strength it is good, isolating and protecting effect is good the features such as, But the fluid sealant viscosity is higher, the difficulty of construction of artificial blade coating is big, and work efficiency is low, and outward appearance is ugly.
In sum, there are many technical problems in current suspension bridge shaped steel isolating and protecting construction, especially existing sealing Glue Shortcomings, so need improvement badly.
The content of the invention
For above-mentioned existing technical problem, the present invention provides a kind of suspension bridge shaped steel anchor system Special spray coating type anti-corrosion Fluid sealant, makes its performance fully meet the protection of shaped steel anchor system, and sprayable construction, close thoroughly to change current anti-corrosion The construction method of sealing, improves appearance of coat, improves efficiency of construction.
To achieve the above object, the present invention provides a kind of suspension bridge shaped steel anchor system Special spray coating type preserving and sealing glue, Raw material and its parts by weight are as follows:20-45 parts of silane modified polyether resin, PPG 10-30 parts, nano modification calcium carbonate 15-30 parts, auxiliary rheological agents 6-15 parts, hydrocarbon solvent 1-15 parts, dehydrating agent 0.2-1.0 parts, adhesion promoter 0.05-1.0 parts, Ultraviolet absorber 0.1-1 parts, age resister 0.1-1 parts, catalyst 0.05-1.0 parts.
Further, silane modified polyether resin is that end group is trimethoxy or the polyoxygenated of methyl dimethoxy epoxide silicyl Propylene ether, such as:S203H, S303H, SAT400 silane modified polyether naval stores of Japanese Kaneka companies.
Further, PPG is trimethylolpropane polyethers, and molecular weight is 2000-3000, such as:Sell the universal product.
Further, nm-class active calcium carbonate is stearic acid modified or silane-modified active nano-calcium carbonate, such as:SPT、 U1S2 types.
Further, auxiliary rheological agents are polyamide-based auxiliary rheological agents, such as:The CRAY VALLEY of French Cray Valleylad Inc. The polyamide-based auxiliary rheological agents of SL types.
Further, hydrocarbon solvent is Porous deproteinized bone class hydrocarbon solvent, such as:The type such as Exxon Mobil D30, D40, D60 (S), D80 Number hydrocarbon solvent.
Further, dehydrating agent be vinyltrimethoxy silane or active amino silane, such as:The A-171 types of Mai Tu company Silane dehumidizer, the VTMO type silane of Evonik Degussa Corp..
Further, adhesion promoter be modified amido silane or amino/alkyl functionalized oligomeric silane, such as:Win wound moral The DAMO-T types silane of Gu Sai companies, 1146 type silane.
Further, ultraviolet absorber be salicylic acid esters, benzophenone class, benzotriazole, substitution the fine class of propylene or triazines, As the Tinuvin P of Ciba, Tinuvin 1130, Tinuvin 99-2, Tinuvin 928, Tinuvin 326, Tinuvin 327, Tinuvin 329 etc..
Further, age resister is polynary Hinered phenols age resistor, such as the type age resistor of Ciba Specialty Chemicals 1010.
Further, catalyst is chelating tin, the chelating tin curing accelerator of such as Japanese day east chemical conversion company.
Compared to existing technology, preserving and sealing glue of the invention has the following advantages that:
First, plasticizer is not contained in being formulated, the low sticky of preserving and sealing glue is ensured with hydrocarbon solvent by adding PPG Degree, is adapted to spraying.
2nd, conventional aerosil is not added with being formulated as thixotropic agent, and uses polyamide auxiliary rheological agents, it is ensured that Outside fluid sealant low viscosity, sprayable effect, it is ensured that sealing gel coating after spraying not sagging.
To sum up, this preserving and sealing glue product have low viscosity, high thixotropic, it is sprayable the features such as, be particularly well-suited to bridge Anchor system isolating and protecting field, it can also be used to other industrial circles such as bridge, ship, ocean steel member.
Specific embodiment
With reference to embodiment, the invention will be further described.
Embodiment 1:Spary coating type preserving and sealing glue of the present invention is prepared by following formulas with technique:
1-1, weigh raw material:The kg of S203H type silane modified polyethers resin 35 of Japanese Kaneka companies;Molecular weight is 2000 The kg of PPG 25;U1S2 type nm-class active calcium carbonates 22kg;CRAY VALLEY SL type polyamide auxiliary rheological agents 8kg; Exxon Mobil Corporation D40 type hydrocarbon solvents 7.6kg;The type age resistor 0.5kg of Ciba Specialty Chemicals 1010;Ciba The type ultraviolet absorber 0.3kg of Tinuvin 326.
1-2, mixed material:Above-mentioned raw materials are put into double planetary mixer together, 110 DEG C are heated to, is slowly stirred(25- 50rpm)100 minutes;Vacuumize and be heated to 110 DEG C, high-speed stirred(1000rpm)150 minutes, 40 DEG C are cooled to, add and step The A-171 type silane dehydrating agents 0.6kg of figure company;It is slowly stirred(250rpm)25 minutes, add Evonik Degussa Corp. 1146 type silane attaches power accelerator 0.4kg;It is slowly stirred(250rpm)25 minutes, the chelating tin of Japanese day east chemical conversion is added to urge Agent 0.6kg;It is slowly stirred(250rpm)Discharged after 25 minutes, that is, obtain spary coating type preserving and sealing glue of the present invention.
Embodiment 2:By following formulas spary coating type preserving and sealing glue of the present invention is prepared with technique:
2-1, weigh raw material:The kg of S203H type silane modified polyethers resin 38;The kg of PPG 21 of 2500 molecular weight; U1S2 type nm-class active calcium carbonates 20kg;CRAY VALLEY SL type polyamide auxiliary rheological agents 10kg;D40 type hydrocarbon solvents 8.1kg;1010 type age resistor 0.4kg;The type ultraviolet absorber 0.4kg of Tinuvin 326.
2-2, mixed material:Above-mentioned raw materials are put into double planetary mixer together, 110 DEG C are heated to, is slowly stirred(25- 50rpm)100 minutes;Vacuumize and be heated to 110 DEG C, high-speed stirred(1000rpm)150 minutes, 40 DEG C are cooled to, add A- 171 type silane dehydrating agent 0.8kg;It is slowly stirred(250rpm)25 minutes, add 1146 type silane attaches power accelerator 0.8kg; It is slowly stirred(250rpm)25 minutes, add chelating tin catalyst 0.5kg;It is slowly stirred(250rpm)Discharged after 25 minutes, i.e., Obtain spary coating type preserving and sealing glue of the present invention.
2-3, as acquisition fluid sealant of the present invention, single-component heat resistant type silane modified polyether sealant.
Embodiment 3:Spary coating type preserving and sealing glue of the present invention is prepared by following formulas with technique:
3-1, weigh raw material:The kg of S203H type type silane modified polyethers resin 25;The PPG 25kg of 3000 molecular weight; U1S2 type nm-class active calcium carbonates 25kg;CRAY VALLEY SL type polyamide auxiliary rheological agents 7kg;D40 type hydrocarbon solvents 15kg;1010 type age resistor 0.5kg;The type ultraviolet absorber 0.5kg of Tinuvin 326.
3-2, mixed material:Above-mentioned raw materials are put into double planetary mixer together, 110 DEG C are heated to, is slowly stirred(25- 50rpm)100 minutes;Vacuumize and be heated to 110 DEG C, high-speed stirred(1000rpm)150 minutes, 40 DEG C are cooled to, add A- 171 type silane dehydrating agent 0.7kg, are slowly stirred(250rpm)25 minutes;1146 type silane attaches power accelerator 0.7kg are added, It is slowly stirred(250rpm)25 minutes, add chelating tin catalyst 0.6kg;It is slowly stirred(250rpm)Discharged after 25 minutes, i.e., Obtain spary coating type preserving and sealing glue of the present invention.
Using when, the spary coating type preserving and sealing glue of above-mentioned preparation can be used for the isolating and protecting of bridge anchor system, can also make Preservative, sealant for other industrial circles.

Claims (10)

1. a kind of suspension bridge shaped steel anchor system Special spray coating type preserving and sealing glue, it is characterised in that raw material and its parts by weight It is as follows:20-45 parts of silane modified polyether resin, PPG 10-30 parts, 15-30 parts of nano modification calcium carbonate, auxiliary rheological agents 6-15 parts, hydrocarbon solvent 1-15 parts, dehydrating agent 0.2-1.0 parts, adhesion promoter 0.05-1.0 parts, ultraviolet absorber 0.1-1 Part, age resister 0.1-1 parts, catalyst 0.05-1.0 parts.
2. a kind of suspension bridge shaped steel anchor system Special spray coating type preserving and sealing glue according to claim 1, its feature exists In described silane modified polyether resin is that end group is trimethoxy or the PPOX of methyl dimethoxy epoxide silicyl Ether.
3. a kind of suspension bridge shaped steel anchor system Special spray coating type preserving and sealing glue according to claim 1, its feature exists In described PPG is trimethylolpropane polyethers, and molecular weight is 2000-3000.
4. a kind of suspension bridge shaped steel anchor system Special spray coating type preserving and sealing glue according to claim 1, its feature exists In described nm-class active calcium carbonate is stearic acid modified or silane-modified active nano-calcium carbonate.
5. a kind of suspension bridge shaped steel anchor system Special spray coating type preserving and sealing glue according to claim 1, its feature exists In described auxiliary rheological agents are polyamide-based auxiliary rheological agents.
6. a kind of suspension bridge shaped steel anchor system Special spray coating type preserving and sealing glue according to claim 1, its feature exists In described hydrocarbon solvent is Porous deproteinized bone class hydrocarbon solvent.
7. a kind of suspension bridge shaped steel anchor system Special spray coating type preserving and sealing glue according to claim 1, its feature exists In described dehydrating agent is vinyltrimethoxy silane or active amino silane.
8. a kind of suspension bridge shaped steel anchor system Special spray coating type preserving and sealing glue according to claim 1, its feature exists In described adhesion promoter is modified amido silane or amino/alkyl functionalized oligomeric silane.
9. a kind of suspension bridge shaped steel anchor system Special spray coating type preserving and sealing glue according to claim 1, its feature exists In described ultraviolet absorber is salicylic acid esters, benzophenone class, benzotriazole, the substitution fine class of propylene or triazines.
10. a kind of suspension bridge shaped steel anchor system Special spray coating type preserving and sealing glue according to claim 1, its feature exists In described age resister is polynary Hinered phenols age resistor.
CN201611258455.9A 2016-12-30 2016-12-30 A kind of suspension bridge shaped steel anchor system Special spray coating type preserving and sealing glue Pending CN106752798A (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108395508A (en) * 2018-04-04 2018-08-14 青岛江宇永安应用化学有限公司 A kind of preparation method of resin for spary coating type anti-corrosion sealant

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101906246A (en) * 2010-07-30 2010-12-08 江苏中矿大正表面工程技术有限公司 Single-component heat resistant type silane modified polyether sealant
CN104087227A (en) * 2014-06-18 2014-10-08 广州新展化工新材料有限公司 Modified polyether sealing material and preparation method thereof
CN105111992A (en) * 2015-06-15 2015-12-02 深圳市隆邦工业材料有限公司 Mildew-proof silane-modified polyether sealant and preparation method therefor
CN105567148A (en) * 2016-02-26 2016-05-11 广州市白云化工实业有限公司 Silane-modified polyether adhesive for sealing fabricated concrete buildings and manufacturing method thereof

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101906246A (en) * 2010-07-30 2010-12-08 江苏中矿大正表面工程技术有限公司 Single-component heat resistant type silane modified polyether sealant
CN104087227A (en) * 2014-06-18 2014-10-08 广州新展化工新材料有限公司 Modified polyether sealing material and preparation method thereof
CN105111992A (en) * 2015-06-15 2015-12-02 深圳市隆邦工业材料有限公司 Mildew-proof silane-modified polyether sealant and preparation method therefor
CN105567148A (en) * 2016-02-26 2016-05-11 广州市白云化工实业有限公司 Silane-modified polyether adhesive for sealing fabricated concrete buildings and manufacturing method thereof

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108395508A (en) * 2018-04-04 2018-08-14 青岛江宇永安应用化学有限公司 A kind of preparation method of resin for spary coating type anti-corrosion sealant

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Application publication date: 20170531