CN112760039A - Nano polymer metal repairing agent and repairing method - Google Patents
Nano polymer metal repairing agent and repairing method Download PDFInfo
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- CN112760039A CN112760039A CN201911076266.3A CN201911076266A CN112760039A CN 112760039 A CN112760039 A CN 112760039A CN 201911076266 A CN201911076266 A CN 201911076266A CN 112760039 A CN112760039 A CN 112760039A
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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
- C09D—COATING 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
- C09D201/00—Coating compositions based on unspecified macromolecular compounds
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D7/00—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials
- B05D7/14—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials to metal, e.g. car bodies
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D7/00—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials
- B05D7/24—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials for applying particular liquids or other fluent materials
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING 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
- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
- C09D5/08—Anti-corrosive paints
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING 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
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/60—Additives non-macromolecular
- C09D7/61—Additives non-macromolecular inorganic
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING 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
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/60—Additives non-macromolecular
- C09D7/63—Additives non-macromolecular organic
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING 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
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/65—Additives macromolecular
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
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- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Wood Science & Technology (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Application Of Or Painting With Fluid Materials (AREA)
- Paints Or Removers (AREA)
Abstract
The invention provides a nano polymer metal repairing agent and a repairing method, wherein the nano polymer metal repairing agent comprises the following raw materials in parts by weight: 9-19 parts of modified resin, 10-16 parts of SiC nano powder, 15-20 parts of alumina composite ceramic aggregate, 12-18 parts of zirconia composite ceramic, 4-6 parts of triethanolamine, 7-10 parts of amidoamine curing agent, 2-6 parts of stearic acid, 3-7 parts of antioxidant, 1-5 parts of light stabilizer, 1-4 parts of elastic resin, 2-5 parts of medium density polyethylene and 4-8 parts of polyphenol. The repairing method comprises (1) surface treatment: performing repair welding, degreasing and dehumidifying treatment and sand blasting and rust removal on a workpiece to be treated; (2) preheating and sticking; (3) heating and curing; (4) grinding; (5) and (5) painting. The metal composite repairing agent provided by the invention has strong bonding degree with metal, is stable in solidification, has high bonding strength with a metal body, and is suitable for the abrasion-proof treatment, the damage and abrasion repair, the scratch corrosion repair and other repairs of mechanical equipment and spare parts.
Description
Technical Field
The invention belongs to the field of industrial nano polymer metal repairing agents, and particularly relates to a nano polymer metal repairing agent.
Background
The metal repairing agent is an industrial auxiliary product which coats a nano polymer metal repairing agent or a high molecular composite material added with special materials (aggregates) on the surface of a metal part to be repaired so as to repair the metal or endow the metal surface with special functions. The metal equipment is worn and damaged, and is generally repaired by adopting traditional welding repair or materials such as industrial repair agent and the like. With the development of industrial modernization, the requirement for safe continuous operation of various mechanical equipment is higher and higher, and the equipment is operated for a long time under severe environmental conditions such as high temperature, high pressure, impact, corrosion and the like, and the whole part is often scrapped due to local damage of the equipment, so that the equipment is finally stopped, in recent years, industrial enterprises hope to realize metal repair in various forms such as abrasion, corrosion, leakage, erosion, cavitation, scouring and the like by using a metal repairing agent, so that the dependence on metal materials is reduced, and the flexibility of equipment maintenance is improved. However, the existing metal repairing agent has low strength, poor abrasion resistance, short service life, poor caking property and uneven surface. In addition, the existing repairing method and material can not effectively solve the problem of stripping reaction between the metal body and the repairing agent.
Disclosure of Invention
Aiming at the defects in the prior art, the invention provides a nano polymer metal repairing agent.
In order to achieve the purpose, the technical scheme of the invention is as follows:
a nano polymer metal repairing agent comprises the following raw materials in parts by weight: 9-19 parts of modified resin, 10-16 parts of SiC nano powder, 15-20 parts of alumina composite ceramic aggregate, 12-18 parts of zirconia composite ceramic, 4-6 parts of triethanolamine, 7-10 parts of amidoamine curing agent, 2-6 parts of stearic acid, 3-7 parts of antioxidant, 1-5 parts of light stabilizer, 1-4 parts of elastic resin, 2-5 parts of medium density polyethylene and 4-8 parts of polyphenol.
The invention also provides a repairing method applying the nano polymer metal repairing agent, which comprises the following steps:
(1) surface treatment: performing repair welding, degreasing and dehumidifying treatment and sand blasting and rust removal on a workpiece to be treated;
(2) preheating and sticking: preparing a mould and a tool, preheating a workpiece, preheating a nano polymer metal repairing agent, mixing and stirring strictly according to the proportion of the nano polymer metal repairing agent, putting the stirred nano polymer metal repairing agent in a tray to glue the preheated workpiece, and keeping the mixed nano polymer metal repairing agent in the tray for a time not longer than 3 minutes to ensure the full adhesion of the nano polymer metal repairing agent to the workpiece;
(3) heating and curing: the constructed workpiece stays for 30 minutes for heating and curing;
(4) grinding: grinding the heated and cured workpiece according to the size of the workpiece, and testing the matched surface of the sealing element to be qualified;
(5) painting: and (4) after the workpiece is qualified, painting the workpiece, wherein the painted surface is required to be uniform, and the sagging phenomenon is not allowed.
Further, in the step (1), the repair welding: and repairing and welding the part which is excessively eroded and is not enough to support the strength of the nano polymer metal repairing agent.
Further, in the step (1), the degreasing and dehumidifying treatment comprises: removing grease on the surface of the workpiece, wiping the surface of the workpiece with cotton yarn, adjusting the length of the flame to 10cm by using oxygen acetylene, and repeatedly and uniformly baking the surface of the workpiece at the speed of 5cm/min to remove the grease and moisture on the surface of the workpiece.
Further, in the step (1), the sand blasting rust removal: removing an oxide layer on the surface of the workpiece, and visually checking to ensure that the sandblasted surface can see uniform metal natural color; the workpiece after sand blasting treatment is not allowed to directly contact the sand blasting surface by using a glove with grease, and the workpiece after sand blasting treatment needs to be protected from moisture.
Has the advantages that: the metal composite repairing agent provided by the invention has strong bonding degree with metal, is stable in solidification, has high bonding strength with a metal body, and is suitable for the abrasion-proof treatment, the damage and abrasion repair, the scratch corrosion repair and other repairs of mechanical equipment and spare parts.
Detailed Description
The invention is illustrated below with reference to specific examples. It will be understood by those skilled in the art that these examples are for illustrative purposes only and are not intended to limit the scope of the present invention in any way.
Example 1
A nano polymer metal repairing agent comprises the following raw materials in parts by weight: 14 parts of modified resin, 13 parts of SiC nano powder, 17.5 parts of alumina composite ceramic aggregate, 15 parts of zirconia composite ceramic, 5 parts of triethanolamine, 8.5 parts of amidoamine curing agent, 4 parts of stearic acid, 5 parts of antioxidant, 3 parts of light stabilizer, 2.5 parts of elastic resin, 3.5 parts of medium density polyethylene and 6 parts of polyphenol.
Example 2
A nano polymer metal repairing agent comprises the following raw materials in parts by weight: 9 parts of modified resin, 10 parts of SiC nano powder, 15 parts of alumina composite ceramic aggregate, 12 parts of zirconia composite ceramic, 4 parts of triethanolamine, 7 parts of amidoamine curing agent, 2 parts of stearic acid, 3 parts of antioxidant, 1 part of light stabilizer, 1 part of elastic resin, 2 parts of medium density polyethylene and 4 parts of polyphenol.
Example 3
A nano polymer metal repairing agent comprises the following raw materials in parts by weight: 19 parts of modified resin, 16 parts of SiC nano powder, 20 parts of alumina composite ceramic aggregate, 18 parts of zirconia composite ceramic, 6 parts of triethanolamine, 10 parts of amidoamine curing agent, 6 parts of stearic acid, 7 parts of antioxidant, 5 parts of light stabilizer, 4 parts of elastic resin, 5 parts of medium density polyethylene and 8 parts of polyphenol.
Example 4
A nano polymer metal repairing agent comprises the following raw materials in parts by weight: 16 parts of modified resin, 15 parts of SiC nano powder, 19 parts of alumina composite ceramic aggregate, 16 parts of zirconia composite ceramic, 5.5 parts of triethanolamine, 9 parts of amidoamine curing agent, 5 parts of stearic acid, 6 parts of antioxidant, 4 parts of light stabilizer, 3.5 parts of elastic resin, 4 parts of medium density polyethylene and 7 parts of polyphenol.
Example 5
A nano polymer metal repairing agent comprises the following raw materials in parts by weight: 12 parts of modified resin, 11 parts of SiC nano powder, 16 parts of alumina composite ceramic aggregate, 14 parts of zirconia composite ceramic, 4.5 parts of triethanolamine, 8 parts of amidoamine curing agent, 3 parts of stearic acid, 4 parts of antioxidant, 2 parts of light stabilizer, 2 parts of elastic resin, 3 parts of medium density polyethylene and 5 parts of polyphenol.
A repair method using a nano-polymer metal repair agent comprises the following steps:
(1) surface treatment: performing repair welding, degreasing and dehumidifying treatment and sand blasting rust removal on a workpiece to be treated: repairing welding is needed to the part which is excessively eroded and is not enough to support the strength of the nano polymer metal repairing agent; removing grease on the surface of the workpiece, wiping the surface of the workpiece with cotton yarn, adjusting the length of flame to 10cm by using oxygen acetylene, and repeatedly and uniformly baking the surface of the workpiece by using the flame at the speed of 5cm/min to remove the grease and moisture on the surface of the workpiece; removing an oxide layer on the surface of the workpiece, and visually checking to ensure that the sandblasted surface can see uniform metal natural color; the workpiece after sand blasting treatment is not allowed to directly contact the sand blasting surface by using a glove with grease, and the workpiece after sand blasting treatment needs to be protected from moisture;
(2) preheating and sticking: preparing a mould and a tool, preheating a workpiece, preheating a nano polymer metal repairing agent, mixing and stirring strictly according to the proportion of the nano polymer metal repairing agent, putting the stirred nano polymer metal repairing agent in a tray to glue the preheated workpiece, and keeping the mixed nano polymer metal repairing agent in the tray for a time not longer than 3 minutes to ensure the full adhesion of the nano polymer metal repairing agent to the workpiece;
(3) heating and curing: the constructed workpiece stays for 30 minutes for heating and curing;
(4) grinding: grinding the heated and cured workpiece according to the size of the workpiece, and testing the matched surface of the sealing element to be qualified;
(5) painting: and (4) after the workpiece is qualified, painting the workpiece, wherein the painted surface is required to be uniform, and the sagging phenomenon is not allowed.
The repairing agents of the embodiments 1 to 5 are used for repairing the same type of workpieces by the repairing method, and the experimental test data range of the repaired products is as follows: the compressive strength is 94.9-162.8 MPa; the tensile strength is 25.7-31.9 MPa; the shear strength is 16.3-22 MPa; the bending strength is 74.5-93.3 MPa; relative wear resistance (steel is 1) 2.3-8.0; the working temperature is-60 ℃ to 80 ℃.
Claims (5)
1. A nano-polymer metal restoration agent, characterized by: comprises the following raw materials in parts by weight: 9-19 parts of modified resin, 10-16 parts of SiC nano powder, 15-20 parts of alumina composite ceramic aggregate, 12-18 parts of zirconia composite ceramic, 4-6 parts of triethanolamine, 7-10 parts of amidoamine curing agent, 2-6 parts of stearic acid, 3-7 parts of antioxidant, 1-5 parts of light stabilizer, 1-4 parts of elastic resin, 2-5 parts of medium density polyethylene and 4-8 parts of polyphenol.
2. A repair method using the nano-polymer metal repair agent of claim 1, comprising the steps of:
(1) surface treatment: performing repair welding, degreasing and dehumidifying treatment and sand blasting and rust removal on a workpiece to be treated;
(2) preheating and sticking: preparing a mould and a tool, preheating a workpiece, preheating a nano polymer metal repairing agent, mixing and stirring strictly according to the proportion of the nano polymer metal repairing agent, putting the stirred nano polymer metal repairing agent in a tray to glue the preheated workpiece, and keeping the mixed nano polymer metal repairing agent in the tray for a time not longer than 3 minutes to ensure the full adhesion of the nano polymer metal repairing agent to the workpiece;
(3) heating and curing: the constructed workpiece stays for 30 minutes for heating and curing;
(4) grinding: grinding the heated and cured workpiece according to the size of the workpiece, and testing the matched surface of the sealing element to be qualified;
(5) painting: and (4) after the workpiece is qualified, painting the workpiece, wherein the painted surface is required to be uniform, and the sagging phenomenon is not allowed.
3. The method for repairing a nano polymer metal repairing agent according to claim 2, wherein in the step (1), the repair welding: and repairing and welding the part which is excessively eroded and is not enough to support the strength of the nano polymer metal repairing agent.
4. The method for repairing a nano polymer metal repairing agent according to claim 2, wherein in the step (1), the degreasing and dehumidifying treatment: removing grease on the surface of the workpiece, wiping the surface of the workpiece with cotton yarn, adjusting the length of the flame to 10cm by using oxygen acetylene, and repeatedly and uniformly baking the surface of the workpiece at the speed of 5cm/min to remove the grease and moisture on the surface of the workpiece.
5. The method for repairing a nano polymer metal repairing agent according to claim 2, wherein in the step (1), the sand blasting is performed to remove rust: removing an oxide layer on the surface of the workpiece, and visually checking to ensure that the sandblasted surface can see uniform metal natural color; the workpiece after sand blasting treatment is not allowed to directly contact the sand blasting surface by using a glove with grease, and the workpiece after sand blasting treatment needs to be protected from moisture.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911076266.3A CN112760039A (en) | 2019-11-06 | 2019-11-06 | Nano polymer metal repairing agent and repairing method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201911076266.3A CN112760039A (en) | 2019-11-06 | 2019-11-06 | Nano polymer metal repairing agent and repairing method |
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| CN112760039A true CN112760039A (en) | 2021-05-07 |
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| CN201911076266.3A Pending CN112760039A (en) | 2019-11-06 | 2019-11-06 | Nano polymer metal repairing agent and repairing method |
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Application publication date: 20210507 |