CN107699096B - A kind of protective layer and preparation method thereof for bearing surface Cold-resistant anti-corrosion - Google Patents
A kind of protective layer and preparation method thereof for bearing surface Cold-resistant anti-corrosion Download PDFInfo
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- CN107699096B CN107699096B CN201711007240.4A CN201711007240A CN107699096B CN 107699096 B CN107699096 B CN 107699096B CN 201711007240 A CN201711007240 A CN 201711007240A CN 107699096 B CN107699096 B CN 107699096B
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- 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
- C09D133/00—Coating compositions based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Coating compositions based on derivatives of such polymers
- C09D133/04—Homopolymers or copolymers of esters
- C09D133/06—Homopolymers or copolymers of esters of esters containing only carbon, hydrogen and oxygen, the oxygen atom being present only as part of the carboxyl radical
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- 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
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- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
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Abstract
A kind of protective layer for bearing surface Cold-resistant anti-corrosion; by weight, including following raw material: polyimide particles 2-5KG, fatty acid magnesium 10-16KG, cationic surfactant 1-3KG, haloflex 2-5KG, polymethylacrylate latex powder 10-16KG, anionic surfactant 3-6KG, coalescing agent 2-5KG, foaming agent 1-3KG, modified epoxy 3-7KG, chlorosulfonated polyethylene 1-2KG, acrylic resin 2-4KG, C3-5KG, Mn1-3KG, V1-3KG.The beneficial effects of the invention are as follows the polyimide high temperature-resistants used to reach 400 DEG C or more; -269 DEG C of liquid nitrogens will not embrittlement; it is resistant to extremely low temperature; polyimide particles, polymethylacrylate latex powder, haloflex are modified with anions and canons respectively simultaneously, applies and reaches high temperature resistant and resistance to low temperature in bearing protective layer, in severe cold frost region; it is able to bear low temperature; embrittlement will not occur, furthermore sealer can also greatly enhance corrosion resistance with anticorrosion.
Description
Technical field
The present invention relates to bearing protective layer technical fields, and in particular to a kind of protection for bearing surface Cold-resistant anti-corrosion
Layer and preparation method thereof.
Background technique
Bearing is a kind of important zero in contemporary mechanical equipment, its major function is to support mechanical rotary body, reduces it
Coefficient of friction in motion process, and guarantee its rotating accuracy, according to the difference of the friction properties of the moving elements, bearing can be divided into rolling
Bearing and sliding bearing two major classes, wherein rolling bearing is normalized, seriation, but its radial ruler compared with sliding bearing
Very little, vibration and noise are larger, and price is also higher；Rolling bearing is generally by outer ring, four part group of inner ring, rolling element and retainer
At by the shape of rolling element, rolling bearing is divided into ball bearing and roller bearing two major classes.
In the prior art, in severe cold frost region, the unbearable low temperature of bearing and embrittlement, which occurs, to be caused to rupture, as machinery
The important component of rotary body, make machinery can not normal operation, cause the injures and deaths of personnel and badly damaged, this outer bearing of property
Easily by chemical attack or electrochemical corrosion, over time, bearing is caused to can not operate normally.
Summary of the invention
The protective layer and preparation method thereof that the purpose of the present invention is to provide a kind of for bearing surface cold and corrosion resistant, with
Solve the problems mentioned above in the background art.
To achieve the above object, the invention provides the following technical scheme:
A kind of protective layer for bearing surface Cold-resistant anti-corrosion, by weight, including following raw material:
Polyimide particles 2-5KG, fatty acid magnesium 10-16KG, cationic surfactant 1-3KG, haloflex 2-
5KG, polymethylacrylate latex powder 10-16KG, anionic surfactant 3-6KG, coalescing agent 2-5KG, foaming agent 1-
3KG, modified epoxy 3-7KG, chlorosulfonated polyethylene 1-2KG, acrylic resin 2-4KG, C3-5KG, Mn1-3KG, V1-
3KG。
It is as further scheme of the invention: by weight, including following raw material:
Polyimide particles 3.5KG, fatty acid magnesium 13KG, cationic surfactant 2KG, haloflex 3.5KG, gather
Methyl acrylate latex powder 13KG, anionic surfactant 4.5KG, coalescing agent 3.5KG, foaming agent 2KG, modified epoxy tree
Rouge 5KG, chlorosulfonated polyethylene 1.5KG, acrylic resin 2KG, C4KG, Mn2KG, V2KG.
Be as further scheme of the invention: the polyimide particles elastic membrane amount is 3-4Gpa, uses temperature
Range is -200-300 DEG C.
Be as further scheme of the invention: the cationic surfactant be polyethyleneimine, it is described yin from
Sub- surfactant is ammonium polymethacrylate.
Be as further scheme of the invention: the modified epoxy epoxide number is 0.05-0.13eq/100g.
Be as further scheme of the invention: the coalescing agent be propandiol butyl ether, propylene glycol methyl ether acetate,
One of Lauryl Alcohol ester is a variety of；The foaming agent is calcium carbonate, sodium bicarbonate, magnesium carbonate and sodium metasilicate, according to weight
Than the mixture of 4:2:2:3 composition.
A kind of preparation method of the protective layer for bearing surface Cold-resistant anti-corrosion, method includes the following steps:
(1) each component raw material is weighed as required；
(2) fatty acid magnesium is heated to 165-175 DEG C, polyimides is added, mixing is sent into high-speed mixer, and revolving speed is
1200-2000r/min stirs 20-30 minutes, after cooling, adds cationic surfactant, then add mixture to
In reaction kettle, temperature be 70-80 DEG C reaction 15-25 minutes, be cooled to room temperature, obtained mixture A；
(3) by polymethylacrylate latex powder, anionic surfactant, haloflex, coalescing agent 2-5KG, hair
Infusion 1-3KG, is mixed to join in reaction kettle, temperature be 100-110 DEG C reaction 20-25 minutes, obtained mixture B；
(4) by modified epoxy, chlorosulfonated polyethylene, acrylic resin, C, Mn, V, high speed powder is sequentially added in order
It is crushed in broken machine, smashed mixture is soaked in water 1-2 hours, the mixture after immersion is added in high-speed mixer
Stirring, speed of agitator 1000-1200r/min, mixing time 40-50min, then mixture is sent into reaction kettle, reaction temperature
100-110 DEG C, in reaction time 1-2 hour, obtain mixture C；
(5) mixture C made from mixture B made from mixture A made from step 2, step 3, step 4 is mixed
It is added in high-speed mixer, revolving speed 1200-2000r/min, mixing time is 1-2 hours, and the bearing surface that invention is made is resistance to
It trembles with fear etch-proof protective layer.
It is as further scheme of the invention: the preparation step of the protective layer for bearing surface Cold-resistant anti-corrosion
Suddenly are as follows:
(1) each component raw material is weighed as required；
(2) fatty acid magnesium is heated to 170 DEG C, polyimides is added, mixing is sent into high-speed mixer, and revolving speed is
1600r/min stirs 25 minutes, after cooling, adds cationic surfactant, then add mixture to reaction kettle
In, it is 75 DEG C in temperature and reacts 20 minutes, be cooled to room temperature, mixture A is made；
(3) by polymethylacrylate latex powder, anionic surfactant, haloflex, coalescing agent 3.5KG, hair
Infusion 2KG, is mixed to join in reaction kettle, is 105 DEG C in temperature and reacts 22.5 minutes, mixture B is made；
(4) by modified epoxy, chlorosulfonated polyethylene, acrylic resin, C, Mn, V, high speed powder is sequentially added in order
It is crushed in broken machine, smashed mixture is soaked in water 1.5 hours, the mixture after immersion is added in high-speed mixer
Stirring, speed of agitator 1100r/min, mixing time 45min, then mixture is sent into reaction kettle, 105 DEG C of reaction temperature, instead
1.5 hours between seasonable, mixture C is obtained；
(5) mixture C made from mixture B made from mixture A made from step 2, step 3, step 4 is mixed
It is added in high-speed mixer, revolving speed 1600r/min, mixing time is 1.5 hours, and the cold-resistant anti-corrosion of bearing surface of invention is made
The protective layer of erosion.
Compared with prior art, the present invention have it is following the utility model has the advantages that
(1) polyimide high temperature-resistant that a kind of protective layer for bearing surface Cold-resistant anti-corrosion of the invention uses reaches
400 DEG C or more, -269 DEG C of liquid nitrogens will not embrittlement, be resistant to extremely low temperature, while by polyimide particles, polyacrylic acid first
Ester latex powder, haloflex are modified with anions and canons respectively, are applied and are reached high temperature resistant and lower temperature resistance in bearing protective layer
Energy.
(2) a kind of protective layer for bearing surface Cold-resistant anti-corrosion of the invention is base-material using haloflex,
Cold-resistant, excellent anti-corrosion performance, the protective layer of preparation can greatly improve that bearing is corrosion-resistant, resistance to low temperature, be added simultaneously
C, Mn, V also improve the corrosion resistance of bearing.
(3) a kind of protective layer for bearing surface Cold-resistant anti-corrosion of the invention with epoxy resin, chlorosulfonated polyethylene,
Acrylic resin makes the present invention have good shock resistance and a cold protective performance as film forming matter, the coalescing agent of addition,
Foaming agent greatly strengthens shock resistance and cold protective performance of the invention.
(4) a kind of protective layer for bearing surface Cold-resistant anti-corrosion of the invention, can be in severe cold frost region, can
Low temperature is born, embrittlement will not occur, furthermore sealer can greatly enhance corrosion resistance with anticorrosion.
Specific embodiment
The following is a clear and complete description of the technical scheme in the embodiments of the invention, it is clear that described embodiment
Only a part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, the common skill in this field
Art personnel every other embodiment obtained without making creative work belongs to the model that the present invention protects
It encloses.
Embodiment 1:
A kind of protective layer for bearing surface Cold-resistant anti-corrosion of the present embodiment, with weight ratio meter, including following raw material:
Polyimide particles 2KG, fatty acid magnesium 10KG, cationic surfactant 1KG, haloflex 2KG, polypropylene
Sour methyl esters latex powder 10KG, anionic surfactant 3KG, coalescing agent 2KG, foaming agent 1KG, modified epoxy 3KG, chlorine
Sulfonated polyethylene 1KG, acrylic resin 2KG, C3KG, Mn1KG, V1KG.
Polyimide particles elastic membrane amount in the present embodiment is 3Gpa, and use temperature range is -200-300 DEG C.
Cationic surfactant is polyethyleneimine in the present embodiment, and the anionic surfactant is poly- methyl-prop
Olefin(e) acid ammonium.
Modified epoxy epoxide number in the present embodiment is 0.10eq/100g.
Coalescing agent in the present embodiment is propandiol butyl ether kind；Foaming agent is calcium carbonate, sodium bicarbonate, magnesium carbonate and silicon
Sour sodium, the mixture formed according to weight ratio 4:2:2:3.
A kind of preparation method of the protective layer for bearing surface Cold-resistant anti-corrosion of the present embodiment, comprising the following steps:
(1) each component raw material is weighed as required；
(2) fatty acid magnesium is heated to 165 DEG C, polyimides is added, mixing is sent into high-speed mixer, and revolving speed is
1200r/min stirs 20 minutes, after cooling, adds cationic surfactant, then add mixture to reaction kettle
In, it is 70 DEG C in temperature and reacts 15 minutes, be cooled to room temperature, mixture A is made；
(3) by polymethylacrylate latex powder, anionic surfactant, haloflex, coalescing agent 2KG, foaming
Agent 1KG, is mixed to join in reaction kettle, is 100 DEG C in temperature and reacts 20 minutes, mixture B is made；
(4) by modified epoxy, chlorosulfonated polyethylene, acrylic resin, C, Mn, V, high speed powder is sequentially added in order
It is crushed in broken machine, smashed mixture is soaked in water 1 hour, the mixture after immersion is added in high-speed mixer and is stirred
It mixes, speed of agitator 1000r/min, mixing time 40min, then mixture is sent into reaction kettle, 100 DEG C of reaction temperature, reaction
Time 1 hour, obtain mixture C；
(5) mixture C made from mixture B made from mixture A made from step 2, step 3, step 4 is mixed
It is added in high-speed mixer, revolving speed 1200r/min, mixing time is 1 hour, and the bearing surface Cold-resistant anti-corrosion of invention is made
Protective layer.
Embodiment 2:
A kind of protective layer for bearing surface Cold-resistant anti-corrosion of the present embodiment, with weight ratio meter, including following raw material:
Polyimide particles 5KG, fatty acid magnesium 16KG, cationic surfactant 3KG, haloflex 5KG, polypropylene
Sour methyl esters latex powder 16KG, anionic surfactant 6KG, coalescing agent 5KG, foaming agent 3KG, modified epoxy 7KG, chlorine
Sulfonated polyethylene 2KG, acrylic resin 4KG, C5KG, Mn3KG, V3KG.
Polyimide particles elastic membrane amount in the present embodiment is 3Gpa, and use temperature range is -200-300 DEG C.
Cationic surfactant is polyethyleneimine in the present embodiment, and the anionic surfactant is poly- methyl-prop
Olefin(e) acid ammonium.
Modified epoxy epoxide number in the present embodiment is 0.10eq/100g.
Coalescing agent in the present embodiment is propandiol butyl ether kind；Foaming agent is calcium carbonate, sodium bicarbonate, magnesium carbonate and silicon
Sour sodium, the mixture formed according to weight ratio 4:2:2:3.
A kind of preparation method of the protective layer for bearing surface Cold-resistant anti-corrosion of the present embodiment, comprising the following steps:
(1) each component raw material is weighed as required；
(2) fatty acid magnesium is heated to 175 DEG C, polyimides is added, mixing is sent into high-speed mixer, and revolving speed is
2000r/min stirs 30 minutes, after cooling, adds cationic surfactant, then add mixture to reaction kettle
In, it is 80 DEG C in temperature and reacts 25 minutes, be cooled to room temperature, mixture A is made；
(3) by polymethylacrylate latex powder, anionic surfactant, haloflex, coalescing agent 5KG, foaming
Agent 3KG, is mixed to join in reaction kettle, is 110 DEG C in temperature and reacts 25 minutes, mixture B is made；
(4) by modified epoxy, chlorosulfonated polyethylene, acrylic resin, C, Mn, V, high speed powder is sequentially added in order
It is crushed in broken machine, smashed mixture is soaked in water 2 hours, the mixture after immersion is added in high-speed mixer and is stirred
It mixes, speed of agitator 1200r/min, mixing time 50min, then mixture is sent into reaction kettle, 110 DEG C of reaction temperature, reaction
Time 2 h obtains mixture C；
(5) mixture C made from mixture B made from mixture A made from step 2, step 3, step 4 is mixed
It is added in high-speed mixer, revolving speed 2000r/min, mixing time is 2 hours, and the bearing surface Cold-resistant anti-corrosion of invention is made
Protective layer.
Embodiment 3:
A kind of protective layer for bearing surface Cold-resistant anti-corrosion of the present embodiment, with weight ratio meter, including following raw material:
Polyimide particles 3.5KG, fatty acid magnesium 13KG, cationic surfactant 2KG, haloflex 3.5KG, gather
Methyl acrylate latex powder 13KG, anionic surfactant 4.5KG, coalescing agent 3.5KG, foaming agent 2KG, modified epoxy tree
Rouge 5KG, chlorosulfonated polyethylene 1.5KG, acrylic resin 2KG, C4KG, Mn2KG, V2KG.
Polyimide particles elastic membrane amount in the present embodiment is 3Gpa, and use temperature range is -200-300 DEG C.
Cationic surfactant is polyethyleneimine in the present embodiment, and the anionic surfactant is poly- methyl-prop
Olefin(e) acid ammonium.
Modified epoxy epoxide number in the present embodiment is 0.10eq/100g.
Coalescing agent in the present embodiment is propandiol butyl ether kind；Foaming agent is calcium carbonate, sodium bicarbonate, magnesium carbonate and silicon
Sour sodium, the mixture formed according to weight ratio 4:2:2:3.
A kind of preparation method of the protective layer for bearing surface Cold-resistant anti-corrosion of the present embodiment, comprising the following steps:
(1) each component raw material is weighed as required；
(2) fatty acid magnesium is heated to 170 DEG C, polyimides is added, mixing is sent into high-speed mixer, and revolving speed is
1600r/min stirs 25 minutes, after cooling, adds cationic surfactant, then add mixture to reaction kettle
In, it is 75 DEG C in temperature and reacts 20 minutes, be cooled to room temperature, mixture A is made；
(3) by polymethylacrylate latex powder, anionic surfactant, haloflex, coalescing agent 3.5KG, hair
Infusion 2KG, is mixed to join in reaction kettle, is 105 DEG C in temperature and reacts 22.5 minutes, mixture B is made；
(4) by modified epoxy, chlorosulfonated polyethylene, acrylic resin, C, Mn, V, high speed powder is sequentially added in order
It is crushed in broken machine, smashed mixture is soaked in water 1.5 hours, the mixture after immersion is added in high-speed mixer
Stirring, speed of agitator 1100r/min, mixing time 45min, then mixture is sent into reaction kettle, 105 DEG C of reaction temperature, instead
1.5 hours between seasonable, mixture C is obtained；
(5) mixture C made from mixture B made from mixture A made from step 2, step 3, step 4 is mixed
It is added in high-speed mixer, revolving speed 1600r/min, mixing time is 1.5 hours, and the cold-resistant anti-corrosion of bearing surface of invention is made
The protective layer of erosion.
Protective layer the performance test results for bearing surface Cold-resistant anti-corrosion prepared by embodiment 1 to 3 are as follows:
Its performance test results is as shown in the table:
| Compression strength (MPa) | Flexural strength (MPa) | Low temperature brittleness | Corrosion resistance | |
| Embodiment 1 | 48.4 | 13.3 | It is without exception | It is qualified |
| Embodiment 2 | 56.7 | 14.5 | It is without exception | It is qualified |
| Embodiment 3 | 39.6 | 12.8 | It is without exception | It is qualified |
| Technical indicator | 30.5 | 12.2 | Without embrittlement | It is qualified |
It is obvious to a person skilled in the art that invention is not limited to the details of the above exemplary embodiments, Er Qie
In the case where without departing substantially from spirit or essential attributes of the invention, the present invention can be realized in other specific forms.Therefore, no matter
From the point of view of which point, the present embodiments are to be considered as illustrative and not restrictive, and the scope of the present invention is by appended power
Benefit requires rather than above description limits, it is intended that all by what is fallen within the meaning and scope of the equivalent elements of the claims
Variation is included within the present invention.
In addition, it should be understood that although this specification is described in terms of embodiments, but not each embodiment is only wrapped
Containing an independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should
It considers the specification as a whole, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art
The other embodiments being understood that.
Claims (8)
1. a kind of protective layer for bearing surface Cold-resistant anti-corrosion, which is characterized in that with weight ratio meter, including following raw material:
Polyimide particles 2-5KG, fatty acid magnesium 10-16KG, cationic surfactant 1-3KG, haloflex 2-5KG,
Polymethylacrylate latex powder 10-16KG, anionic surfactant 3-6KG, coalescing agent 2-5KG, foaming agent 1-3KG, change
Property epoxy resin 3-7KG, chlorosulfonated polyethylene 1-2KG, acrylic resin 2-4KG, C3-5KG, Mn1-3KG, V1-3KG.
2. a kind of protective layer for bearing surface Cold-resistant anti-corrosion according to claim 1, which is characterized in that with weight
Than meter, including following raw material:
Polyimide particles 3.5KG, fatty acid magnesium 13KG, cationic surfactant 2KG, haloflex 3.5KG, polypropylene
Sour methyl esters latex powder 13KG, anionic surfactant 4.5KG, coalescing agent 3.5KG, foaming agent 2KG, modified epoxy
5KG, chlorosulfonated polyethylene 1.5KG, acrylic resin 2KG, C4KG, Mn2KG, V2KG.
3. a kind of protective layer for bearing surface Cold-resistant anti-corrosion according to claim 1 or 2, which is characterized in that institute
Stating polyimide particles elastic membrane amount is 3-4Gpa, and use temperature range is -200-300 DEG C.
4. a kind of protective layer for bearing surface Cold-resistant anti-corrosion according to claim 1, which is characterized in that the sun
Ionic surface active agent is polyethyleneimine, and the anionic surfactant is ammonium polymethacrylate.
5. a kind of protective layer for bearing surface Cold-resistant anti-corrosion according to claim 1, which is characterized in that described to change
Property epoxy resin epoxy value be 0.05-0.13eq/100g.
6. a kind of protective layer for bearing surface Cold-resistant anti-corrosion according to claim 1 or 2, which is characterized in that institute
Stating coalescing agent is one of propandiol butyl ether, propylene glycol methyl ether acetate, Lauryl Alcohol ester or a variety of；The foaming agent is
Calcium carbonate, sodium bicarbonate, magnesium carbonate and sodium metasilicate, the mixture formed according to weight ratio 4:2:2:3.
7. a kind of preparation method of the protective layer according to claim 1 or 2 for bearing surface Cold-resistant anti-corrosion, special
Sign is, method includes the following steps:
(1) each component raw material is weighed as required；
(2) fatty acid magnesium is heated to 165-175 DEG C, polyimides is added, mixing is sent into high-speed mixer, and revolving speed is
1200-2000r/min stirs 20-30 minutes, after cooling, adds cationic surfactant, then add mixture to
In reaction kettle, temperature be 70-80 DEG C reaction 15-25 minutes, be cooled to room temperature, obtained mixture A；
(3) by polymethylacrylate latex powder, anionic surfactant, haloflex, coalescing agent 2-5KG, foaming agent
1-3KG is mixed to join in reaction kettle, temperature be 100-110 DEG C reaction 20-25 minutes, obtained mixture B；
(4) by modified epoxy, chlorosulfonated polyethylene, acrylic resin, C, Mn, V, high speed disintegrator is sequentially added in order
Smashed mixture is soaked in water 1-2 hours, the mixture after immersion is added in high-speed mixer and is stirred by middle crushing
It mixes, speed of agitator 1000-1200r/min, mixing time 40-50min, then mixture is sent into reaction kettle, reaction temperature
100-110 DEG C, in reaction time 1-2 hour, obtain mixture C；
(5) mixture C made from mixture B made from mixture A made from step 2, step 3, step 4 is mixed and is added
In high-speed mixer, revolving speed 1200-2000r/min, mixing time is 1-2 hours, and bearing surface Cold-resistant anti-corrosion is made
Mixture is applied to bearing surface after obtained mixture again to form protective layer.
8. a kind of preparation method for bearing surface Cold-resistant anti-corrosion protective layer according to claim 7, feature exist
In the step are as follows:
(1) each component raw material is weighed as required；
(2) fatty acid magnesium is heated to 170 DEG C, polyimides is added, mixing is sent into high-speed mixer, revolving speed 1600r/
Min stirs 25 minutes, after cooling, cationic surfactant is added, then add mixture in reaction kettle, in temperature
Degree reacts 20 minutes for 75 DEG C, is cooled to room temperature, and mixture A is made；
(3) by polymethylacrylate latex powder, anionic surfactant, haloflex, coalescing agent 3.5KG, foaming agent
2KG is mixed to join in reaction kettle, is 105 DEG C in temperature and is reacted 22.5 minutes, mixture B is made；
(4) by modified epoxy, chlorosulfonated polyethylene, acrylic resin, C, Mn, V, high speed disintegrator is sequentially added in order
Smashed mixture is soaked in water 1.5 hours, the mixture after immersion is added in high-speed mixer and is stirred by middle crushing
It mixes, speed of agitator 1100r/min, mixing time 45min, then mixture is sent into reaction kettle, 105 DEG C of reaction temperature, reaction
Time 1.5 hours, obtain mixture C；
(5) mixture C made from mixture B made from mixture A made from step 2, step 3, step 4 is mixed and is added
In high-speed mixer, revolving speed 1600r/min, mixing time is 1.5 hours, and the mixing of bearing surface Cold-resistant anti-corrosion is made
Object is applied to bearing surface after obtained mixture again to form protective layer.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711007240.4A CN107699096B (en) | 2017-10-25 | 2017-10-25 | A kind of protective layer and preparation method thereof for bearing surface Cold-resistant anti-corrosion |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201711007240.4A CN107699096B (en) | 2017-10-25 | 2017-10-25 | A kind of protective layer and preparation method thereof for bearing surface Cold-resistant anti-corrosion |
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| CN107699096A CN107699096A (en) | 2018-02-16 |
| CN107699096B true CN107699096B (en) | 2019-07-05 |
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| CN104529362B (en) * | 2014-12-14 | 2016-06-08 | 河南利水工程咨询有限公司 | A kind of preparation method of low temperature resistant waterproof mortar |
| CN106751154A (en) * | 2016-11-30 | 2017-05-31 | 安庆市月岭塑业有限公司 | A kind of freeze proof PVC material and preparation method thereof |
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