CN113980497A - Normal-temperature-cured BA wear-resistant material for corrosion resistance and wear resistance of equipment - Google Patents

Normal-temperature-cured BA wear-resistant material for corrosion resistance and wear resistance of equipment Download PDF

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Publication number
CN113980497A
CN113980497A CN202111390842.9A CN202111390842A CN113980497A CN 113980497 A CN113980497 A CN 113980497A CN 202111390842 A CN202111390842 A CN 202111390842A CN 113980497 A CN113980497 A CN 113980497A
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Prior art keywords
parts
wear
component
modified
equipment
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CN202111390842.9A
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Inventor
刘济萍
刘成
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Pingxiang Boao Ceramics Co ltd
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Pingxiang Boao Ceramics Co ltd
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Priority to CN202111390842.9A priority Critical patent/CN113980497A/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
    • 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
    • C09D1/00Coating compositions, e.g. paints, varnishes or lacquers, based on inorganic substances
    • 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
    • C09D163/00Coating compositions based on epoxy resins; Coating compositions based on derivatives of epoxy resins
    • 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
    • C09D5/00Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
    • C09D5/08Anti-corrosive paints

Abstract

The invention discloses a normal-temperature-cured BA wear-resistant material for corrosion resistance and wear resistance of equipment, which relates to the field of composite materials and comprises a component A and a component B, wherein the component B accounts for 10-30% of the component A in parts by weight; the component A comprises 65-85 parts by weight of main material; 10-15 parts of auxiliary materials; 1-3 parts of an additive; 0.2-0.8 part of organosilicon material; 10-30 parts of modified thermosetting resin; 10-12 parts of toughening agent and 1-2 parts of cosolvent; the component B is a setting agent, and through actual use and detection, the corrosion and abrasion resistance is strong, the Mohs hardness is 8 grade, the bending strength is 200MPa, the compressive strength is 600MPa, the tensile strength is 300MPa, and the service life of the BA wear-resistant material coating is 5-10 times that of high manganese steel.

Description

Normal-temperature-cured BA wear-resistant material for corrosion resistance and wear resistance of equipment
Technical Field
The invention relates to the field of composite materials, in particular to a normal-temperature-cured BA wear-resistant material for corrosion resistance and wear resistance of equipment.
Background
In thermal power factory, coal is the essential raw materials of electricity generation, almost every power factory all has the coal conveying system of oneself, coal conveying equipment rubs and decreases corrosion phenomena ubiquitous, if rotate the bearing of coal feeding equipment, the gear, the axle bush, the scraper blade, the leaf claw, the grate bar, the sieve piece, the tup, the crocodile board, the welt of screening crushing equipment, the coal breakage pipe of belt feeder, hopper, baffle, the welt, drive and the lining glue on the steering drum, the ploughshare on the coal plough ware, the bucket and the bucket tooth of stacker-reclaimer, the funnel, feed bin and so on.
The prior art discloses a normal temperature solidified BA wear-resistant material wear-resistant ceramic coating for corrosion resistance and wear resistance of equipment with application number CN200510048426.5 and a preparation method thereof, which adopts electric melting abrasive grade brown corundum (Al2O3) as a main raw material, high-grade calcium aluminate cement (electrofusion 925#) is taken as a bonding agent, the flow and construction performance of the bimodal active a-Al2O3 micropowder SiO2 micropowder are adjusted, sialon-grade wear-resistant reinforcing agent X-SiC and high-efficiency composite additives NNO, ADS and FW10 are added, the transformation of curing into a ceramic-like structure at normal temperature and the coupling effect enhanced by steel fibers are fully achieved, the overall performance is good, however, the paint has large shrinkage rate and low bonding strength with a substrate due to the existence of water, and steel bars and reinforced steel plate meshes need to be welded at the positions to be protected by equipment in the construction process, so that the application range of the paint is limited, and the wear resistance of the paint is reduced.
Disclosure of Invention
The invention aims to: in order to solve the problem, a normal-temperature cured BA wear-resistant material for corrosion resistance and wear resistance of equipment is provided.
In order to achieve the purpose, the invention provides the following technical scheme: a normal temperature cured BA wear-resistant material for corrosion prevention and wear resistance of equipment comprises a component A and a component B, wherein the component B accounts for 10-30% of the component A by weight; the component A comprises 65-85 parts by weight of main material; 10-15 parts of auxiliary materials; 1-3 parts of an additive; 0.2-0.8 part of organosilicon material; 10-30 parts of modified thermosetting resin; 10-12 parts of toughening agent and 1-2 parts of cosolvent; the component B is a setting agent.
Preferably, the main material is at least one of ceramic balls, silicon carbide, zirconia alumina and modified fused mullite in any proportion.
By adopting the technical scheme: the strength and the service life of the material are improved, and the complex repairing times, the maintenance period and the cost are reduced.
Preferably, the auxiliary materials are at least one of wollastonite powder, sierozem powder, modified titanium dioxide, mica powder and gas-phase silica in any proportion.
By adopting the technical scheme: the material has the characteristics of insulativity, high temperature resistance, acid and alkali resistance, corrosion resistance, strong adhesive force and the like
Preferably, the average particle size of the main material is 150-250 meshes.
By adopting the technical scheme: improves the fineness of the material and is convenient for later spraying.
Preferably, the modified electrofused mullite is prepared by the following method: and (3) obtaining silica sol from the silicon powder by adopting a one-step hydrolysis method, putting the fused mullite aggregate into the silica sol, stirring for 30min, and carrying out vacuum filtration and drying to obtain the modified fused mullite.
By adopting the technical scheme: the compressive strength of the material is improved, so that the material has lower apparent porosity and higher compressive strength.
Preferably, the modified thermosetting resin is prepared by the following method: step 1: adding 20 parts of alkoxy silane, 20 parts of deionized water and 0.1 part of hydrolysis catalyst into a reaction vessel under the condition of stirring, and reacting and stirring to obtain a solution A;
step 2: dissolving 25 parts by mole of end-capping reagent in a mixed solvent consisting of alcohols and heterocyclic solvents, and stirring and mixing to obtain a solution B;
and step 3: adding the solution B into the solution A, and distilling to obtain a crude product;
and 5: dissolving the crude product in an aromatic solvent, and performing vacuum filtration and drying to obtain hyperbranched silicone resin containing active functional groups;
step 6: and (3) uniformly mixing 20 parts of thermosetting resin, 5 parts of curing agent and 1.5 parts of curing catalyst by weight, and adding the mixture into the hyperbranched silicone resin containing the active functional groups obtained in the step (5) to obtain the modified thermosetting resin.
By adopting the technical scheme: the material has high strength and high adhesion of epoxy resin, good flexibility and good corrosion resistance.
Compared with the prior art, the invention has the beneficial effects that:
1. according to the invention, the thermosetting resin is modified, so that the coating has high toughness and more outstanding thermal stability, and the electro-fused mullite in the main material is modified, so that the coating has better high temperature resistance, erosion resistance, corrosion resistance and thermal shock resistance, and the integral strength of parts is improved;
2. through actual use and detection, the high-strength wear-resistant steel has strong erosion and wear resistance, 8-grade Mohs hardness, 200MPa of bending strength, 600MPa of compressive strength and 300MPa of tensile strength, and the service life of the BA wear-resistant material coating is 5-10 times that of high-manganese steel.
Detailed Description
The first embodiment is as follows:
a normal-temperature-cured BA wear-resistant material for corrosion prevention and wear resistance of equipment comprises a component A and a component B, wherein the component B accounts for 10% of the component A in parts by weight; the component A comprises 65 parts by weight of main material; 10 parts of auxiliary materials; 1 part of an additive; 0.2 part of organic silicon material; 10 parts of modified thermosetting resin; 10 parts of toughening agent and 1 part of cosolvent; the component B is a setting agent.
In the invention, the main materials are silicon carbide, zirconia alumina and modified fused mullite.
By adopting the technical scheme: the strength and the service life of the material are improved, and the complex repairing times, the maintenance period and the cost are reduced.
In the invention, the auxiliary materials are sierozem powder, modified titanium dioxide, mica powder and gas-phase silicon dioxide.
By adopting the technical scheme: the material has the characteristics of insulativity, high temperature resistance, acid and alkali resistance, corrosion resistance, strong adhesive force and the like
In the invention, the average particle size of the main material is 150 meshes.
By adopting the technical scheme: improves the fineness of the material and is convenient for later spraying.
In the invention, the modified electrofused mullite is prepared by the following method: and (3) obtaining silica sol from the silicon powder by adopting a one-step hydrolysis method, putting the fused mullite aggregate into the silica sol, stirring for 30min, and carrying out vacuum filtration and drying to obtain the modified fused mullite.
By adopting the technical scheme: the compressive strength of the material is improved, so that the material has lower apparent porosity and higher compressive strength.
In the invention, the modified thermosetting resin is prepared by the following method: step 1: adding 20 parts of alkoxy silane, 20 parts of deionized water and 0.1 part of hydrolysis catalyst into a reaction vessel under the condition of stirring, and reacting and stirring to obtain a solution A;
step 2: dissolving 25 parts by mole of end-capping reagent in a mixed solvent consisting of alcohols and heterocyclic solvents, and stirring and mixing to obtain a solution B;
and step 3: adding the solution B into the solution A, and distilling to obtain a crude product;
and 5: dissolving the crude product in an aromatic solvent, and performing vacuum filtration and drying to obtain hyperbranched silicone resin containing active functional groups;
step 6: and (3) uniformly mixing 20 parts of thermosetting resin, 5 parts of curing agent and 1.5 parts of curing catalyst by weight, and adding the mixture into the hyperbranched silicone resin containing the active functional groups obtained in the step (5) to obtain the modified thermosetting resin.
By adopting the technical scheme: the material has high strength and high adhesion of epoxy resin, good flexibility and good corrosion resistance.
Example 2:
a normal-temperature-cured BA wear-resistant material for corrosion prevention and wear resistance of equipment comprises a component A and a component B, wherein the component B accounts for 20% of the component A in parts by weight; the component A comprises 75 parts by weight of main material; 12 parts of auxiliary materials; 2 parts of an additive; 0.5 part of organic silicon material; 20 parts of modified thermosetting resin; 11 parts of toughening agent and 1.5 parts of cosolvent; the component B is a setting agent.
In the invention, the main materials are ceramic balls, zirconia alumina and modified fused mullite.
By adopting the technical scheme: the strength and the service life of the material are improved, and the complex repairing times, the maintenance period and the cost are reduced.
In the invention, the auxiliary materials are wollastonite powder, sierozem powder, mica powder and gas-phase silicon dioxide.
By adopting the technical scheme: the material has the characteristics of insulativity, high temperature resistance, acid and alkali resistance, corrosion resistance, strong adhesive force and the like
In the invention, the average particle size of the main material is 150 meshes.
By adopting the technical scheme: improves the fineness of the material and is convenient for later spraying.
In the invention, the modified electrofused mullite is prepared by the following method: and (3) obtaining silica sol from the silicon powder by adopting a one-step hydrolysis method, putting the fused mullite aggregate into the silica sol, stirring for 30min, and carrying out vacuum filtration and drying to obtain the modified fused mullite.
By adopting the technical scheme: the compressive strength of the material is improved, so that the material has lower apparent porosity and higher compressive strength.
In the invention, the modified thermosetting resin is prepared by the following method: step 1: adding 20 parts of alkoxy silane, 20 parts of deionized water and 0.1 part of hydrolysis catalyst into a reaction vessel under the condition of stirring, and reacting and stirring to obtain a solution A;
step 2: dissolving 25 parts by mole of end-capping reagent in a mixed solvent consisting of alcohols and heterocyclic solvents, and stirring and mixing to obtain a solution B;
and step 3: adding the solution B into the solution A, and distilling to obtain a crude product;
and 5: dissolving the crude product in an aromatic solvent, and performing vacuum filtration and drying to obtain hyperbranched silicone resin containing active functional groups;
step 6: and (3) uniformly mixing 20 parts of thermosetting resin, 5 parts of curing agent and 1.5 parts of curing catalyst by weight, and adding the mixture into the hyperbranched silicone resin containing the active functional groups obtained in the step (5) to obtain the modified thermosetting resin.
By adopting the technical scheme: the material has high strength and high adhesion of epoxy resin, good flexibility and good corrosion resistance.
Example 3:
a normal-temperature-cured BA wear-resistant material for corrosion prevention and wear resistance of equipment comprises a component A and a component B, wherein the component B accounts for 30% of the component A in parts by weight; the component A comprises 85 parts by weight of main material; 15 parts of auxiliary materials; 3 parts of an additive; 0.8 part of organic silicon material; 30 parts of modified thermosetting resin; 12 parts of toughening agent and 2 parts of cosolvent; the component B is a setting agent.
In the invention, the main materials are ceramic balls, silicon carbide and modified electrofused mullite.
By adopting the technical scheme: the strength and the service life of the material are improved, and the complex repairing times, the maintenance period and the cost are reduced.
In the invention, the auxiliary materials are wollastonite powder, sierozem powder, modified titanium dioxide and mother powder.
By adopting the technical scheme: the material has the characteristics of insulativity, high temperature resistance, acid and alkali resistance, corrosion resistance, strong adhesive force and the like
In the invention, the average particle size of the main material is 150 meshes.
By adopting the technical scheme: improves the fineness of the material and is convenient for later spraying.
In the invention, the modified electrofused mullite is prepared by the following method: and (3) obtaining silica sol from the silicon powder by adopting a one-step hydrolysis method, putting the fused mullite aggregate into the silica sol, stirring for 30min, and carrying out vacuum filtration and drying to obtain the modified fused mullite.
By adopting the technical scheme: the compressive strength of the material is improved, so that the material has lower apparent porosity and higher compressive strength.
In the invention, the modified thermosetting resin is prepared by the following method: step 1: adding 20 parts of alkoxy silane, 20 parts of deionized water and 0.1 part of hydrolysis catalyst into a reaction vessel under the condition of stirring, and reacting and stirring to obtain a solution A;
step 2: dissolving 25 parts by mole of end-capping reagent in a mixed solvent consisting of alcohols and heterocyclic solvents, and stirring and mixing to obtain a solution B;
and step 3: adding the solution B into the solution A, and distilling to obtain a crude product;
and 5: dissolving the crude product in an aromatic solvent, and performing vacuum filtration and drying to obtain hyperbranched silicone resin containing active functional groups;
step 6: and (3) uniformly mixing 20 parts of thermosetting resin, 5 parts of curing agent and 1.5 parts of curing catalyst by weight, and adding the mixture into the hyperbranched silicone resin containing the active functional groups obtained in the step (5) to obtain the modified thermosetting resin.
By adopting the technical scheme: the material has high strength and high adhesion of epoxy resin, good flexibility and good corrosion resistance.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.

Claims (6)

1. The utility model provides a normal atmospheric temperature solidification is used for anticorrosive wear-resisting BA wear-resistant material of equipment, includes A component and B component, its characterized in that: the weight part of the component B is 10-30% of that of the component A; the component A comprises 65-85 parts by weight of main material; 10-15 parts of auxiliary materials; 1-3 parts of an additive; 0.2-0.8 part of organosilicon material; 10-30 parts of modified thermosetting resin; 10-12 parts of toughening agent and 1-2 parts of cosolvent; the component B is a setting agent.
2. The normal-temperature-cured BA wear-resistant material for corrosion prevention and wear resistance of equipment as claimed in claim 1, wherein: the main material is at least one of ceramic balls, silicon carbide, zirconia alumina and modified fused mullite in any proportion.
3. The normal-temperature-cured BA wear-resistant material for corrosion prevention and wear resistance of equipment as claimed in claim 1, wherein: the auxiliary materials are at least one of wollastonite powder, sierozem powder, modified titanium dioxide, mica powder and fumed silica in any proportion.
4. The normal-temperature-cured BA wear-resistant material for corrosion prevention and wear resistance of equipment as claimed in claim 1, wherein: the average particle size of the main material is 150-250 meshes.
5. The normal-temperature-cured BA wear-resistant material for corrosion prevention and wear resistance of equipment as claimed in claim 2, wherein: the modified electrofused mullite is prepared by the following method: and (3) obtaining silica sol from the silicon powder by adopting a one-step hydrolysis method, putting the fused mullite aggregate into the silica sol, stirring for 30min, and carrying out vacuum filtration and drying to obtain the modified fused mullite.
6. The normal-temperature-cured BA wear-resistant material for corrosion prevention and wear resistance of equipment as claimed in claim 1, wherein: the modified thermosetting resin is prepared by the following method: step 1: adding 20 parts of alkoxy silane, 20 parts of deionized water and 0.1 part of hydrolysis catalyst into a reaction vessel under the condition of stirring, and reacting and stirring to obtain a solution A;
step 2: dissolving 25 parts by mole of end-capping reagent in a mixed solvent consisting of alcohols and heterocyclic solvents, and stirring and mixing to obtain a solution B;
and step 3: adding the solution B into the solution A, and distilling to obtain a crude product;
and 5: dissolving the crude product in an aromatic solvent, and performing vacuum filtration and drying to obtain hyperbranched silicone resin containing active functional groups;
step 6: and (3) uniformly mixing 20 parts of thermosetting resin, 5 parts of curing agent and 1.5 parts of curing catalyst by weight, and adding the mixture into the hyperbranched silicone resin containing the active functional groups obtained in the step (5) to obtain the modified thermosetting resin.
CN202111390842.9A 2021-11-23 2021-11-23 Normal-temperature-cured BA wear-resistant material for corrosion resistance and wear resistance of equipment Pending CN113980497A (en)

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CN202111390842.9A CN113980497A (en) 2021-11-23 2021-11-23 Normal-temperature-cured BA wear-resistant material for corrosion resistance and wear resistance of equipment

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CN202111390842.9A CN113980497A (en) 2021-11-23 2021-11-23 Normal-temperature-cured BA wear-resistant material for corrosion resistance and wear resistance of equipment

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101724226A (en) * 2009-11-20 2010-06-09 苏州大学 Modified hot setting resin and preparation method thereof
CN106145123A (en) * 2016-08-19 2016-11-23 安徽元琛环保科技股份有限公司 A kind of Ludox preparation method of simple and fast
CN110526726A (en) * 2019-10-11 2019-12-03 林国强 A kind of high-temperature and wear-proof and preparation method thereof applied to inboard wall of furnace body
CN111362676A (en) * 2018-12-25 2020-07-03 上海皕涛耐火材料有限公司 High-wear-resistance quick-drying refractory castable and preparation method thereof
CN111978763A (en) * 2020-09-09 2020-11-24 白银赛韦尔耐磨科技有限公司 Normal-temperature curing wear-resistant coating and preparation method thereof

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101724226A (en) * 2009-11-20 2010-06-09 苏州大学 Modified hot setting resin and preparation method thereof
CN106145123A (en) * 2016-08-19 2016-11-23 安徽元琛环保科技股份有限公司 A kind of Ludox preparation method of simple and fast
CN111362676A (en) * 2018-12-25 2020-07-03 上海皕涛耐火材料有限公司 High-wear-resistance quick-drying refractory castable and preparation method thereof
CN110526726A (en) * 2019-10-11 2019-12-03 林国强 A kind of high-temperature and wear-proof and preparation method thereof applied to inboard wall of furnace body
CN111978763A (en) * 2020-09-09 2020-11-24 白银赛韦尔耐磨科技有限公司 Normal-temperature curing wear-resistant coating and preparation method thereof

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