CN110076072A - A method of promoting hood support rod wear-resisting property - Google Patents

A method of promoting hood support rod wear-resisting property Download PDF

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Publication number
CN110076072A
CN110076072A CN201910367897.4A CN201910367897A CN110076072A CN 110076072 A CN110076072 A CN 110076072A CN 201910367897 A CN201910367897 A CN 201910367897A CN 110076072 A CN110076072 A CN 110076072A
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parts
support rod
resisting property
nano silica
wear
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郭艳
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Bengbu Chuangte New Material Technology Co Ltd
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Bengbu Chuangte New Material Technology Co Ltd
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    • 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
    • B05D3/00—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials
    • B05D3/10—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials by other chemical means
    • B05D3/102—Pretreatment of metallic substrates
    • 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
    • B05D5/00—Processes for applying liquids or other fluent materials to surfaces to obtain special surface effects, finishes or structures
    • 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
    • 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
    • C09D163/00—Coating compositions based on epoxy resins; Coating compositions based on derivatives of epoxy resins
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • 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
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C22/00—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals
    • C23C22/02—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using non-aqueous solutions
    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C26/00—Coating not provided for in groups C23C2/00 - C23C24/00
    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23F—NON-MECHANICAL REMOVAL OF METALLIC MATERIAL FROM SURFACE; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL; MULTI-STEP PROCESSES FOR SURFACE TREATMENT OF METALLIC MATERIAL INVOLVING AT LEAST ONE PROCESS PROVIDED FOR IN CLASS C23 AND AT LEAST ONE PROCESS COVERED BY SUBCLASS C21D OR C22F OR CLASS C25
    • C23F1/00—Etching metallic material by chemical means
    • C23F1/10—Etching compositions
    • C23F1/14—Aqueous compositions
    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23G—CLEANING OR DE-GREASING OF METALLIC MATERIAL BY CHEMICAL METHODS OTHER THAN ELECTROLYSIS
    • C23G5/00—Cleaning or de-greasing metallic material by other methods; Apparatus for cleaning or de-greasing metallic material with organic solvents
    • C23G5/02—Cleaning or de-greasing metallic material by other methods; Apparatus for cleaning or de-greasing metallic material with organic solvents using organic solvents
    • C23G5/032—Cleaning or de-greasing metallic material by other methods; Apparatus for cleaning or de-greasing metallic material with organic solvents using organic solvents containing oxygen-containing 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
    • B05D2301/00—Inorganic additives or organic salts thereof
    • 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
    • B05D2320/00—Organic additives
    • 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
    • B05D2504/00—Epoxy polymers
    • 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
    • B05D2518/00—Other type of polymers
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00—Use of inorganic substances as compounding ingredients
    • C08K3/02—Elements
    • C08K3/08—Metals
    • C08K2003/0831—Gold
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00—Use of inorganic substances as compounding ingredients
    • C08K3/02—Elements
    • C08K3/08—Metals
    • C08K2003/085—Copper
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00—Use of inorganic substances as compounding ingredients
    • C08K3/38—Boron-containing compounds
    • C08K2003/382—Boron-containing compounds and nitrogen
    • C08K2003/385—Binary compounds of nitrogen with boron
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K2201/00—Specific properties of additives
    • C08K2201/011—Nanostructured additives

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  • Engineering & Computer Science (AREA)
  • Organic Chemistry (AREA)
  • Materials Engineering (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Wood Science & Technology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Inorganic Chemistry (AREA)
  • Application Of Or Painting With Fluid Materials (AREA)
  • Paints Or Removers (AREA)

Abstract

The invention discloses a kind of methods for promoting hood support rod wear-resisting property, and the hood support rod wear-resisting property of preparation is significant, while its wearing layer adhesive force is stronger, and quality is good.Support rod is handled using coating processing agent, support rod surface and oil contaminant removal speed can be promoted, greasy dirt is completely removed, and be formed on its surface microetch point, be conducive to the attachment of modification liquid；Followed by the nano silica of different-grain diameter, maleic anhydride, copper oxide, support rod is modified, wherein maleic anhydride is in nano silica and CuO surface adsorption activity group, prevent its reunion, the nano silica and copper oxide of different-grain diameter act synergistically, the surface of fine irregularities is formed on support rod surface, enhances the degree of roughness on support rod surface.

Description

A method of promoting hood support rod wear-resisting property
Technical field
The invention belongs to hood support rod preparation technical field, especially a kind of promotion hood support rod is wear-resisting The method of performance.
Background technique
Hood support rod is an important components in automobile, when hood is opened, needs support rod branch Cover is propped up, manual and auto-manual system can be divided by function.In long-term application process, support rod surface is easily ground Damage, leverages its safety in utilization and service life.
Summary of the invention
In view of the above-mentioned problems, a kind of the present invention is intended to provide method for promoting hood support rod wear-resisting property.
The invention is realized by the following technical scheme:
A method of promoting hood support rod wear-resisting property, comprising the following steps:
(1) pre-process: by motor support bar coating processing agent, coating thickness is 1-2mm and then puts it into temperature to be 110- Steam treatment 10-12min under conditions of 115 DEG C takes out, and then 20-23min is impregnated in heating at 50-55 DEG C, and during which auxiliary is super Sonication then takes out motor support bar, it is rinsed 2-3 times using clear water, wherein the inorganic agent is by following parts by weight Raw material be made: 2-3 parts of glycerophosphate, 4-8 parts of yellow mud, 1-2 parts of potassium nitrate, 4-6 parts of starch, 1-2 parts of emulsifier op-10, 2-3 parts of sodium hydroxide, it is specific the preparation method comprises the following steps: by yellow mud, starch at 30-40 DEG C ball milling 10-20min, 8-15 is then added Part deionized water, emulsifier, continue ball milling 20-30min, are eventually adding glycerophosphate, potassium nitrate, sodium hydroxide, are milled to Uniform shape；Support rod is handled using coating processing agent, support rod surface and oil contaminant removal speed can be promoted, completely removed Greasy dirt, and it is formed on its surface microetch point, be conducive to the attachment of modification liquid；
(2) modification: pretreated motor support bar is immersed in modification liquid, and by it in 70-80 DEG C, 0.2- 20-40min is placed under 0.4MPa, is then adjusted temperature, pressure to 2-5 DEG C, -0.085~-0.1MPa, is placed 30-50min, weight This multiple circulation 2-3 times, pressure release takes out, gained motor support bar is dried at 40-50 DEG C；The modified liquid and preparation method thereof Are as follows: by 3-6 parts big grain diameter nano silica, 5-10 parts of small particle nano silicas, 2-4 parts of maleic anhydrides, 1-2 parts of oxidations Copper, 30-50 part ethyl alcohol stir 20-30min at 40-50 DEG C, 200-400rpm to obtain the final product.Utilize the nano-silica of different-grain diameter SiClx, maleic anhydride, copper oxide, are modified support rod, and wherein maleic anhydride is in nano silica and CuO surface Adsorption activity group prevents its reunion, and the nano silica and copper oxide of different-grain diameter act synergistically, in support rod surface shape At the surface of fine irregularities, the degree of roughness on support rod surface is enhanced；
(3) it applies coating rubbing-layer: wear resistant paint sprays to the motor support bar surface being modified in the way of electrostatic spraying, and Solidify at 50-60 DEG C；The wear resistant paint is made of raw material from the following weight: 1-2 parts of 2- picoline, polyvinyl alcohol 5-10, acetone 50-100, epoxy resin 10-20, curing agent 4-6, nm-class boron nitride 3-6, Cu-Zn alloy powder 2-4, silane coupling agent 1- 2.Finally coat wear resistant paint, the polyvinyl alcohol in wear resistant paint, under the action of 2- picoline, with the maleic acid in modified coating Acid anhydride crosslinks reaction, forms close cross-linked network, meanwhile, boron nitride, Cu-Zn alloy powder in wearing layer are also in the work of cross-linking reaction The surface with the modified fine irregularities of support rod is inlayed under, is combined closely with nano silica, copper oxide, herein dual work Under, the wear-resisting property of support rod is significantly improved, and substantially increases its service performance.
Further, step (1) the ultrasonic treatment condition is 40-43Hz.
Further, the big grain diameter nano silica partial size is 300-600nm, the small particle nano silica Partial size is 50-200nm.
Beneficial effects of the present invention: hood support rod wear-resisting property prepared by the present invention is significant, while its wearing layer Adhesive force is stronger, and quality is good.Support rod is handled using coating processing agent, the removal of support rod surface and oil contaminant can be promoted Speed completely removes greasy dirt, and is formed on its surface microetch point, is conducive to the attachment of modification liquid；Followed by different-grain diameter Nano silica, maleic anhydride, copper oxide, are modified support rod, and wherein maleic anhydride is in nano silica and oxygen Change copper adsorption active group, prevent its reunion, the nano silica and copper oxide of different-grain diameter act synergistically, supporting Bar surface forms the surface of fine irregularities, enhances the degree of roughness on support rod surface；Wear resistant paint is finally coated, in wear resistant paint Polyvinyl alcohol is crosslinked with the maleic anhydride in modified coating and is reacted under the action of 2- picoline, forms close crosslinking Network, meanwhile, boron nitride, Cu-Zn alloy powder in wearing layer are also inlayed under the action of cross-linking reaction modified subtle recessed with support rod Convex surface is combined closely with nano silica, copper oxide, and under this double action, the wear-resisting property of support rod is obtained It significantly improves, substantially increases its service performance.
Specific embodiment
Illustrate the present invention with specific embodiment below, but is not limitation of the present invention.
Embodiment 1
A method of promoting hood support rod wear-resisting property, comprising the following steps:
(1) pre-process: by motor support bar coating processing agent, coating thickness is 1mm and then puts it into temperature to be 110 DEG C Under the conditions of steam treatment 10min, take out, then at 50 DEG C heating impregnate 20min, during which assisting ultrasonic handle, then take out Motor support bar is rinsed it 2 times using clear water, wherein the inorganic agent is made of raw material from the following weight: glycerol phosphorus 2 parts of acid esters, 4 parts of yellow mud, 1 part of potassium nitrate, 4 parts of starch, 1 part of emulsifier op-10,2 parts of sodium hydroxide, it is specific the preparation method comprises the following steps: By yellow mud, starch at 30 DEG C ball milling 10min, then be added 8 parts of deionized waters, emulsifiers, continue ball milling 20min, finally plus Enter glycerophosphate, potassium nitrate, sodium hydroxide, is milled to uniform shape；
(2) modification: pretreated motor support bar is immersed in modification liquid, and it is transferred in 70 DEG C, 0.2MPa 20min is set, temperature, pressure is then adjusted to 2 DEG C, -0.085MPa, places 30min, repeat this circulation 2 times, pressure release is taken out, will Gained motor support bar is dried at 40 DEG C；The modification liquid is the preparation method comprises the following steps: by 3 parts big grain diameter nano silica, 5 parts Small particle nano silica, 2 parts of maleic anhydrides, 1 part of copper oxide, 30 parts of ethyl alcohol, stirring 20min at 40 DEG C, 200rpm is ?.
(3) it applies coating rubbing-layer: wear resistant paint is sprayed to the motor support bar surface being modified in the way of electrostatic spraying, And solidify at 50 DEG C；The wear resistant paint is made of raw material from the following weight: 1 part of 2- picoline, polyvinyl alcohol 5, Acetone 50, epoxy resin 10, curing agent 4, nm-class boron nitride 3, Cu-Zn alloy powder 2, silane coupling agent 1.
Wherein, wherein, step (1) the ultrasonic treatment condition is 40KHz to step (1).
Wherein, the big grain diameter nano silica partial size is 300nm, and the small particle nano silica partial size is 50nm。
Embodiment 2
A method of promoting hood support rod wear-resisting property, comprising the following steps:
(1) pre-process: by motor support bar coating processing agent, coating thickness is 2mm and then puts it into temperature to be 112 DEG C Under the conditions of steam treatment 11min, take out, then at 52 DEG C heating impregnate 22min, during which assisting ultrasonic handle, then take out Motor support bar rinses it 3 times using clear water；The inorganic agent is made of raw material from the following weight: glycerophosphate 3 Part, 6 parts of yellow mud, 2 parts of potassium nitrate, 5 parts of starch, 2 parts of emulsifier op-10,3 parts of sodium hydroxide, specifically the preparation method comprises the following steps: by yellow Then deionized water, emulsifier is added in mud, starch the ball milling 15min at 35 DEG C, continue ball milling 25min, be eventually adding glycerol phosphorus Acid esters, potassium nitrate, sodium hydroxide are milled to uniform shape；
(2) modification: pretreated motor support bar is immersed in modification liquid, and it is transferred in 75 DEG C, 0.3MPa 30min is set, temperature, pressure is then adjusted to 4 DEG C, -0.09MPa, places 40min, repeat this circulation 3 times, pressure release is taken out, by institute Motor support bar is obtained to dry at 45 DEG C；The modification liquid is the preparation method comprises the following steps: by 4 parts big grain diameter nano silica, 7 parts small Grain diameter nano silica, 3 parts of maleic anhydrides, 2 parts of copper oxide, 40 parts of ethyl alcohol stir 25min at 45 DEG C, 300rpm to obtain the final product；
(3) it applies coating rubbing-layer: wear resistant paint sprays to the motor support bar surface being modified in the way of electrostatic spraying, and Solidify at 55 DEG C；The wear resistant paint is made of raw material from the following weight: 2 parts of 2- picoline, polyvinyl alcohol 7, acetone 80, epoxy resin 15, curing agent 5, nm-class boron nitride 4, Cu-Zn alloy powder 3, silane coupling agent 2.
Wherein, step (1) the ultrasonic treatment condition is 42KHz.
Wherein, the big grain diameter nano silica partial size is 400nm, and the small particle nano silica partial size is 100nm。
Embodiment 3
A method of promoting hood support rod wear-resisting property, comprising the following steps:
(1) pre-process: by motor support bar coating processing agent, coating thickness is 2mm and then puts it into temperature to be 115 DEG C Under the conditions of steam treatment 12min, take out, then at 55 DEG C heating impregnate 23min, during which assisting ultrasonic handle, then take out Motor support bar rinses it 3 times using clear water；The inorganic agent is made of raw material from the following weight: glycerophosphate 3 Part, 8 parts of yellow mud, 2 parts of potassium nitrate, 6 parts of starch, 2 parts of emulsifier op-10,3 parts of sodium hydroxide, specifically the preparation method comprises the following steps: by yellow Then 15 parts of deionized waters, emulsifiers are added in mud, starch the ball milling 20min at 40 DEG C, continue ball milling 30min, be eventually adding sweet Oleophosphoric acid ester, potassium nitrate, sodium hydroxide are milled to uniform shape；
(2) modification: pretreated motor support bar is immersed in modification liquid, and will be placed at 80 DEG C, 0.4MPa Then 40min adjusts temperature, pressure to 5 DEG C, -0.1MPa, places 50min, repeat this circulation 3 times, pressure release is taken out, by gained Motor support bar is dried at 50 DEG C；The modification liquid is the preparation method comprises the following steps: by 6 parts big grain diameter nano silica, 10 parts small Grain diameter nano silica, 4 parts of maleic anhydrides, 2 parts of copper oxide, 50 parts of ethyl alcohol stir 30min at 50 DEG C, 400rpm to obtain the final product；
(3) it applies coating rubbing-layer: wear resistant paint sprays to the motor support bar surface being modified in the way of electrostatic spraying, and Solidify at 60 DEG C；The wear resistant paint is made of raw material from the following weight: 2 parts of 2- picoline, polyvinyl alcohol 10, third Ketone 100, epoxy resin 20, curing agent 6, nm-class boron nitride 6, Cu-Zn alloy powder 4, silane coupling agent 2.
Wherein, step (1) the ultrasonic treatment condition is 43KHz.
Wherein, the big grain diameter nano silica partial size is 600nm, and the small particle nano silica partial size is 200nm。
Comparative example 1
The pre-treatment step of support rod is omitted compared to embodiment 2 in this comparative example, and method and step in addition to this is homogeneous Together.
Comparative example 2
The modifying processing step of support rod is omitted compared to embodiment 2 in this comparative example, and method and step in addition to this is equal It is identical.
Comparative example 3
The painting coating rubbing-layer step of support rod, method and step in addition to this is omitted compared to embodiment 2 in this comparative example It is all the same.
Performance test:
The test of wearing layer adhesive force: hood obtained by each group embodiment and comparative example is supported 180 ° of rod bending, observation Its surface covering situation of change；
Wear-resisting property test: hood support rod obtained by each group embodiment and comparative example is subjected to the rubber of load 1000g Skin friction is wiped 300 times, its surface covering situation of change is observed.
Test result is as shown in table 1:
Table 1
As can be seen from Table 1, hood support rod wear-resisting property prepared by the present invention is significant, at the same its wearing layer adhesive force compared with By force, quality is good.

Claims (5)

1. a kind of method for promoting hood support rod wear-resisting property, which comprises the following steps:
(1) pre-process: by motor support bar coating processing agent, coating thickness is 1-2mm and then puts it into temperature to be 110- Steam treatment 10-12min under conditions of 115 DEG C takes out, and then 20-23min is impregnated in heating at 50-55 DEG C, and during which auxiliary is super Sonication then takes out motor support bar, it is rinsed 2-3 times using clear water, wherein the inorganic agent is by following parts by weight Raw material be made: 2-3 parts of glycerophosphate, 4-8 parts of yellow mud, 1-2 parts of potassium nitrate, 4-6 parts of starch, 1-2 parts of emulsifier op-10, 2-3 parts of sodium hydroxide, it is specific the preparation method comprises the following steps: by yellow mud, starch at 30-40 DEG C ball milling 10-20min, 8-15 is then added Part deionized water, emulsifier, continue ball milling 20-30min, are eventually adding glycerophosphate, potassium nitrate, sodium hydroxide, are milled to Uniform shape；
(2) modification: pretreated motor support bar is immersed in modification liquid, and by it in 70-80 DEG C, 0.2- 20-40min is placed under 0.4MPa, is then adjusted temperature, pressure to 2-5 DEG C, -0.085~-0.1MPa, is placed 30-50min, weight This multiple circulation 2-3 times, pressure release takes out, gained motor support bar is dried at 40-50 DEG C；
(3) it applies coating rubbing-layer: wear resistant paint sprays to the motor support bar surface being modified in the way of electrostatic spraying, and Solidify at 50-60 DEG C.
2. a kind of method for promoting hood support rod wear-resisting property according to claim 1, which is characterized in that step (1) the ultrasonic treatment condition is 40-43Hz.
3. a kind of method for promoting hood support rod wear-resisting property according to claim 1, which is characterized in that step (2) modification liquid is the preparation method comprises the following steps: by 3-6 parts big grain diameter nano silica, 5-10 parts of small particle nano silicas, 2- 4 parts of maleic anhydrides, 1-2 parts of copper oxide, 30-50 parts of ethyl alcohol stir 20-30min at 40-50 DEG C, 200-400rpm to obtain the final product.
4. a kind of method for promoting hood support rod wear-resisting property according to claim 1, which is characterized in that step Suddenly (3) described wear resistant paint is made of raw material from the following weight: 1-2 parts of 2- picoline, polyvinyl alcohol 5-10, acetone 50- 100, epoxy resin 10-20, curing agent 4-6, nm-class boron nitride 3-6, Cu-Zn alloy powder 2-4, silane coupling agent 1-2.
5. a kind of method for promoting hood support rod wear-resisting property according to claim 3, which is characterized in that described Big grain diameter nano silica partial size is 300-600nm, and the small particle nano silica partial size is 50-200nm.
CN201910367897.4A 2019-05-05 2019-05-05 A method of promoting hood support rod wear-resisting property Withdrawn CN110076072A (en)

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* Cited by examiner, † Cited by third party
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CN114059347A (en) * 2021-12-20 2022-02-18 浙江千禧龙纤特种纤维股份有限公司 Surface modification method for improving binding property of ultrahigh molecular weight polyethylene fiber and matrix resin

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114059347A (en) * 2021-12-20 2022-02-18 浙江千禧龙纤特种纤维股份有限公司 Surface modification method for improving binding property of ultrahigh molecular weight polyethylene fiber and matrix resin

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Application publication date: 20190802