CN110079189A - A kind of epoxy coating and preparation method thereof - Google Patents
A kind of epoxy coating and preparation method thereof Download PDFInfo
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- CN110079189A CN110079189A CN201910345624.XA CN201910345624A CN110079189A CN 110079189 A CN110079189 A CN 110079189A CN 201910345624 A CN201910345624 A CN 201910345624A CN 110079189 A CN110079189 A CN 110079189A
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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
- C09D163/00—Coating compositions based on epoxy resins; Coating compositions based on derivatives of epoxy resins
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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
- 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
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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
- 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
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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
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/70—Additives characterised by shape, e.g. fibres, flakes or microspheres
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- 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
- C08K3/30—Sulfur-, selenium- or tellurium-containing compounds
- C08K2003/3045—Sulfates
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- 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
- C08K2201/014—Additives containing two or more different additives of the same subgroup in C08K
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- 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
- C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
- C08L2205/025—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group containing two or more polymers of the same hierarchy C08L, and differing only in parameters such as density, comonomer content, molecular weight, structure
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- 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
- C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend
Abstract
The present invention relates to a kind of epoxy coatings and preparation method thereof.A kind of epoxy coating, it is made of modified epoxy part and modified firming agent part, mass component includes: the modified epoxy part: 25~40 parts of flexible-epoxy, 1~10 part of polyether polyol, first 0.1~5 part of coupling agent, 1~5 part of cage structure elastomer powder, the first 0~50 part of filler, 0.01~1 part of defoaming agent；The modified firming agent part: 25~40 parts of composite multi-component amine, the second 0.01~2 part of coupling agent, 1~5 part of promotor, the second 0.01~50 part of filler, 0.01~1 part of defoaming agent.The epoxy coating simultaneously have room temperature and low temperature lower steel plate just impacted and recoil hit when cracking resistance technical effect.The preparation method of the epoxy coating prepares modified epoxy part and modified firming agent part respectively and is later again uniformly mixed the two and obtains the epoxy coating.
Description
Technical field
The present invention relates to locomotive, vehicle protective materials field more particularly to a kind of epoxy coating and its preparation sides
Method.
Background technique
In modern machinery and equipment manufacturing industry, coating is used to protect as outer surface, decoration is essential measure.In iron
Road locomotive, transporting equipment, locomotive, engineering truck manufacturing process in, to outer layer metal covering carry out coating protection in, largely use
Various coating, coating outer environment be closely related with weather, operating condition, need to be subjected to resist erosion.This has the resistance of coating
Very high requirement.
Existing epoxy-resin systems coating is widely applied, but the major defect of epoxy resin is that property is crisp, in vehicle manufacture
Field, in order to enhance the protection of metal surface, it is desirable that coating is subjected to just impacting under difficult environmental conditions and recoil is hit and can be protected
Hold not cracking destruction.Existing product can reach requirement at high temperature, but cannot reach requirement under room temperature and lower temperature.
Summary of the invention
In order to realize on epoxy coating coated steel plates, in the case where being able to bear high temperature shock resistance requirement, simultaneously
It is able to bear positive impact under room temperature and low temperature and recoil is hit, the invention proposes a kind of epoxy coating and its preparation sides
Method.
A kind of epoxy coating, is made of modified epoxy part and modified firming agent part, and mass component includes:
The modified epoxy part:
The modified firming agent part:
Preferably, the flexible-epoxy is bisphenol A epoxide resin E20, E12, modified by cardanol epoxy resin, 1,6-
The mixture of two or more in own four glycidol ether of diamino and tetrahydrophthalic acid bisglycidyl ester.
Preferably, the polyether polyol is polyether Glycols and/or molecule of the molecular weight in 3000~6000 ranges
Measure the polyether-tribasic alcohol in 3000~6000 ranges.
Preferably, first coupling agent or second coupling agent are γ-glycidyl ether oxygen propyl trimethoxy silicon
Alkane, gamma-aminopropyl-triethoxy-silane, γ-glycidoxypropyltrietandysilane andysilane and γ-aminopropyl trimethoxy silicon
Two or more in alkane.
Preferably, the microstructure of the cage structure elastomer powder is cage type multi-panel made of being crosslinked as elastomeric segments
Body structure and the active end group for grafting on cage type polyhedral structure surface are constituted；The cage type polyhedral structure is made with hollow out
The longitude and latitude grid of type；The active end group mainly includes epoxy group and/or hydroxyl；The mainly continuous poly- silicon of the elastomeric segments
Two or more of various combinations in oxygen key, polyethers key, polyester key and polyamide bond.
Preferably, the polyamine be modified by cardanol aliphatic cyclic amine, long-chain polyamide, 4,4- diaminodiphenyl-methane and
It is one or more in 4,4- diamino-dicyclohexyl methanes.
Preferably, the promotor is 2,4,6- tri--(dimethylamino methyl) phenol, 2-ethyl-4-methylimidazole and 2-
One of methylimidazole is a variety of.
Preferably, first filler or second filler are SiO 2 powder, titania powder, Paris white
One of end, calcium sulphate powders, silica whisker, titanium dioxide crystal whisker, calcium carbonate crystal whisker and calcium sulfate crystal whiskers are a variety of.
The present invention also proposes a kind of preparation method of epoxy coating described above, prepares modified epoxy respectively
The two is uniformly mixed again after part and modified firming agent part and obtains the epoxy coating；
The preparation step of the modified epoxy part is as follows:
Step 1: by being stirred 30~60 minutes after epoxy resin, the first coupling agent, polyether polyol mixed melting；
Step 2: cage structure elastomer powder is added into the mixture that step 1 obtains, stir 10~100 minutes；
Step 3: the first filler is added into the mixture that step 2 obtains, stir 30~120 minutes；
Step 4: defoaming agent is added into the mixture that step 3 obtains, stir 30~60 minutes；
Step 6: being stirred 30~120 minutes, and vacuum outgas obtains the modified epoxy portion at 50 DEG C~80 DEG C
Point；
The preparation step of the modified firming agent part is as follows:
Step 1: composite multi-component amine, the second coupling agent and promotor are mixed 30~60 minutes；
Step 2: the second filler is added into the mixture that step 1 obtains and stirs 30~60 minutes；
Step 3: defoaming agent is added into the mixture that step 2 obtains, and stir 30~60 minutes；
Step 4: the mixture that step 3 is obtained stirs 30~120 minutes at 50 DEG C~80 DEG C, and vacuum outgas obtains
To the modified firming agent part.
The beneficial effect of the present invention compared with the prior art includes: to have height by being added in coating matrix epoxy resin
It imitates the cage structure elastomer powder of toughening effect and the polyether polyol of flexibility and cold resistance can be increased, in cage structure
Under elastomer and the synergistic function of polyether polyol, which is coated on steel plate, ensures steel plate high temperature
In the case that shock resistance, high bright-coloured attached property require, while having and resisting when room temperature and low temperature lower steel plate are just being impacted and recoil is hit
The technical effect of cracking.
Specific embodiment
In order to make the foregoing objectives, features and advantages of the present invention clearer and more comprehensible, below to specific reality of the invention
The mode of applying is described in detail.In the following description, numerous specific details are set forth in order to facilitate a full understanding of the present invention.But
The invention can be embodied in many other ways as described herein, and those skilled in the art can be without prejudice to this hair
Similar improvement is done in the case where bright intension, therefore the present invention is not limited to the specific embodiments disclosed below.
Embodiment one
A kind of epoxy coating, is made of modified epoxy part and modified firming agent part, and mass component includes:
The modified epoxy part:
32 kilograms of flexible-epoxy；
(wherein E-12 epoxy resin and the own four glycidol ether mass ratio of diamino of 1,6- are 1:4)
The modified firming agent part:
36 kilograms of composite multi-component amine；
(wherein modified by cardanol aliphatic cyclic amine and 4, the mass ratio of 4- diaminodiphenyl-methane are 95:5)
The present embodiment further includes the preparation method of the epoxy coating, prepare respectively modified epoxy part and
The two is uniformly mixed again after modified firming agent part and obtains the epoxy coating；
The preparation step of the modified epoxy part is as follows:
1, each group raw material for standby is accurately weighed；
2, in the reaction kettle that temperature is 50~70 DEG C, the epoxy resin weighed up, the first coupling agent, polyether polyols is added
Alcohol starts blender all after fusing, after 45 minutes, stops stirring；
3, the cage structure elastomer powder weighed up is added, starts blender, after 55 minutes, stops stirring；
4, the SiO 2 powder weighed up is added, starts blender, after 100 minutes, stops stirring；
5, the defoaming agent weighed up is added, starts blender, after 30 minutes, stops stirring；
6, it at 60 DEG C~70 DEG C, quickly stirs 30 minutes, and under conditions of vacuum degree is -0.05MPa~-0.01MPa
Vacuum outgas；
7, it discharges, examine.
The preparation step of the modified firming agent part is as follows:
1, each group raw material for standby is accurately weighed；
2, in the reaction kettle that temperature is 50~70 DEG C, the composite multi-component amine weighed up, the second coupling agent, promotor is added,
Start blender, after 45 minutes, stops stirring；
3, the SiO 2 powder weighed up is added, starts blender, after 45 minutes, stops stirring；
4, the defoaming agent weighed up is added, starts blender, after 30 minutes, stops stirring；
5, it at 60 DEG C~70 DEG C, quickly stirs 60 minutes, and under conditions of vacuum degree is -0.05MPa~-0.01MPa
Vacuum outgas；
6, it discharges, examine.
The present embodiment mixes the modified epoxy part of above-mentioned preparation and modified firming agent part 1:1 in mass ratio,
Up to epoxy coating, shock resistance of the coating after coated solidified is as shown in table 1.
Embodiment two
A kind of epoxy coating, is made of modified epoxy part and modified firming agent part, and mass component includes:
The modified epoxy part:
31 kilograms of flexible-epoxy；
(wherein E-20 epoxy resin and the own four glycidol ether mass ratio of diamino of 1,6- are 1:5)
The modified firming agent part:
35 kilograms of composite multi-component amine；
(wherein modified by cardanol aliphatic cyclic amine and 4, the mass ratio of 4- diamino-dicyclohexyl methane are 7:3)
The present embodiment further includes the preparation method of the epoxy coating, prepare respectively modified epoxy part and
The two is uniformly mixed again after modified firming agent part and obtains the epoxy coating；
The preparation step of the modified epoxy part is as follows:
1, each group raw material for standby is accurately weighed；
2, in the reaction kettle that temperature is 50~70 DEG C, the epoxy resin weighed up, the first coupling agent, polyether polyols is added
Alcohol starts blender all after fusing, after 45 minutes, stops stirring；
3, the cage structure elastomer powder weighed up is added, starts blender, after 55 minutes, stops stirring；
4, the SiO 2 powder weighed up is added, starts blender, after 100 minutes, stops stirring；
5, the defoaming agent weighed up is added, starts blender, after 30 minutes, stops stirring；
6, it at 60 DEG C~70 DEG C, quickly stirs 30 minutes, and true under the conditions of vacuum degree is -0.05MPa~-0.01MPa
Sky degassing；
7, it discharges, examine.
The preparation step of the modified firming agent part is as follows:
1, each group raw material for standby is accurately weighed；
2, in the reaction kettle that temperature is 50~70 DEG C, the composite multi-component amine weighed up, the second coupling agent, promotor is added,
Start blender, after 45 minutes, stops stirring；
3, the SiO 2 powder weighed up is added, starts blender, after 45 minutes, stops stirring；
4, the defoaming agent weighed up is added, starts blender, after 30 minutes, stops stirring；
5, at 60 DEG C~70 DEG C, quickly stirring 60 minutes, and vacuum outgas, vacuum degree is -0.05MPa~-0.01MPa；
6, it discharges, examine.
The present embodiment mixes the modified epoxy part of preparation and modified firming agent part 1:1 in mass ratio uniformly,
Up to epoxy coating, shock resistance of the coating after coated solidified is as shown in table 1.
Embodiment three
A kind of epoxy coating, is made of modified epoxy part and modified firming agent part, and mass component includes:
The modified epoxy part:
32.5 kilograms of flexible-epoxy；
(wherein the own four glycidol ether mass ratio of diamino of E12, modified by cardanol epoxy resin, 1,6- is 1:2:4)
The modified firming agent part:
35.1 kilograms of composite multi-component amine；
(wherein modified by cardanol aliphatic cyclic amine and 4, the mass ratio of 4- diaminodiphenyl-methane are 85:15)
The present embodiment further includes the preparation method of the epoxy coating, prepare respectively modified epoxy part and
The two is uniformly mixed again after modified firming agent part and obtains the epoxy coating；
The preparation step of the modified epoxy part is as follows:
1, each group raw material for standby is accurately weighed；
2, in the reaction kettle that temperature is 50~70 DEG C, the epoxy resin weighed up, the first coupling agent, polyether polyols is added
Alcohol starts blender all after fusing, after 45 minutes, stops stirring；
3, the cage structure elastomer powder weighed up is added, starts blender, after 55 minutes, stops stirring；
4, the SiO 2 powder weighed up is added, starts blender, after 100 minutes, stops stirring；
5, the defoaming agent weighed up is added, starts blender, after 30 minutes, stops stirring；
6, it at 60 DEG C~70 DEG C, quickly stirs 30 minutes, and under conditions of vacuum degree is -0.05MPa~-0.01MPa
Vacuum outgas；
7, it discharges, examine.
The preparation step of the modified firming agent part is as follows:
1, each group raw material for standby is accurately weighed；
2, in the reaction kettle that temperature is 50~70 DEG C, the composite multi-component amine weighed up, the second coupling agent, promotor is added,
Start blender, after 45 minutes, stops stirring；
3, the SiO 2 powder weighed up is added, starts blender, after 45 minutes, stops stirring；
4, the defoaming agent weighed up is added, starts blender, after 30 minutes, stops stirring；
5, it at 60 DEG C~70 DEG C, quickly stirs 60 minutes, and under conditions of vacuum degree is -0.05MPa~-0.01MPa
Vacuum outgas；
6, it discharges, examine.
The present embodiment mixes the modified epoxy part of preparation and modified firming agent part 1:1 in mass ratio uniformly,
Up to epoxy coating, shock resistance of the coating after coated solidified is as shown in table 1.
Example IV
A kind of epoxy coating, is made of modified epoxy part and modified firming agent part, and mass component includes:
The modified epoxy part:
32 kilograms of flexible-epoxy；
(wherein E-12 epoxy resin and the own four glycidol ether mass ratio of diamino of 1,6- are 1:4)
The modified firming agent part:
36 kilograms of composite multi-component amine；
(wherein modified by cardanol aliphatic cyclic amine and 4, the mass ratio of 4- diaminodiphenyl-methane are 95:5)
The present embodiment further includes the preparation method of the epoxy coating, prepare respectively modified epoxy part and
The two is uniformly mixed again after modified firming agent part and obtains the epoxy coating；
The preparation step of the modified epoxy part is as follows:
1, each group raw material for standby is accurately weighed；
2, in the reaction kettle that temperature is 50~70 DEG C, the epoxy resin weighed up, the first coupling agent, polyether polyols is added
Alcohol starts blender all after fusing, after 45 minutes, stops stirring；
3, the cage structure elastomer powder weighed up is added, starts blender, after 55 minutes, stops stirring；
4, the SiO 2 powder weighed up is added, starts blender, after 100 minutes, stops stirring；
5, the defoaming agent weighed up is added, starts blender, after 30 minutes, stops stirring；
6, at 60 DEG C~70 DEG C, quickly stirring 30 minutes, and vacuum outgas, vacuum degree is -0.05MPa~-0.01MPa；
7, it discharges, examine.
The preparation step of the modified firming agent part is as follows:
1, each group raw material for standby is accurately weighed；
2, in the reaction kettle that temperature is 50~70 DEG C, the composite multi-component amine weighed up, the second coupling agent, promotor is added,
Start blender, after 45 minutes, stops stirring；
3, the SiO 2 powder weighed up is added, starts blender, after 45 minutes, stops stirring；
4, the defoaming agent weighed up is added, starts blender, after 30 minutes, stops stirring；
5, at 60 DEG C~70 DEG C, quickly stirring 60 minutes, and vacuum outgas, vacuum degree is -0.05MPa~-0.01MPa；
6, it discharges, examine.
The present embodiment mixes modified epoxy part and modified firming agent part 1:1 in mass ratio to get shock resistance
Epoxy coating, shock resistance of the coating after coated solidified are as shown in table 1.
Embodiment five
A kind of epoxy coating, is made of modified epoxy part and modified firming agent part, and mass component includes:
The modified epoxy part:
33 kilograms of flexible-epoxy；
(wherein tetrahydrophthalic acid bisglycidyl ester and the own four glycidol ether mass ratio of diamino of 1,6- are 1:4)
(wherein titanium dioxide crystal whisker and SiO 2 powder mass ratio are 1:9)
0.25 kilogram of dimethicone；
The modified firming agent part:
36 kilograms of composite multi-component amine；
(wherein the mass ratio of modified by cardanol aliphatic cyclic amine and long-chain polyamides is 1:1)
The present embodiment further includes the preparation method of the epoxy coating, prepare respectively modified epoxy part and
The two is uniformly mixed again after modified firming agent part and obtains the epoxy coating；
The preparation step of the modified epoxy part is as follows:
1, each group raw material for standby is accurately weighed；
2, in the reaction kettle that temperature is 50~70 DEG C, the epoxy resin weighed up, the first coupling agent, polyether polyols is added
Alcohol starts blender all after fusing, after 45 minutes, stops stirring；
3, the cage structure elastomer powder weighed up is added, starts blender, after 55 minutes, stops stirring；
4, the first filler weighed up is added, starts blender, after 100 minutes, stops stirring；
5, the defoaming agent weighed up is added, starts blender, after 30 minutes, stops stirring；
6, at 60 DEG C~70 DEG C, quickly stirring 30 minutes, and vacuum outgas, vacuum degree is -0.05MPa~-0.01MPa；
7, it discharges, examine.
The preparation step of the modified firming agent part is as follows:
1, each group raw material for standby is accurately weighed；
2, in the reaction kettle that temperature is 50~70 DEG C, the composite multi-component amine weighed up, the second coupling agent, promotor is added,
Start blender, after 45 minutes, stops stirring；
3, the SiO 2 powder weighed up is added, starts blender, after 55 minutes, stops stirring；
4, the defoaming agent weighed up is added, starts blender, after forty minutes, stops stirring；
5, at 60 DEG C~70 DEG C, quickly stirring 80 minutes, and vacuum outgas, vacuum degree is -0.05MPa~-0.01MPa；
6, it discharges, examine.
The present embodiment will mix epoxy resin portion and curing agent part 1:1 in mass ratio to get epoxy coating,
Shock resistance of the coating after coated solidified is as shown in table 1.
Shock resistance test result of 1 coating of table after coated solidified
| 50 DEG C of recoils | 20 DEG C of recoils | 20 DEG C of square impacts | - 30 DEG C of recoils | - 30 DEG C of square impacts | |
| Embodiment one | Flawless | Flawless | Flawless | Flawless | Flawless |
| Embodiment two | Flawless | Flawless | Flawless | Flawless | Flawless |
| Embodiment three | Flawless | Flawless | Flawless | Flawless | Flawless |
| Example IV | Flawless | Flawless | Flawless | Flawless | Flawless |
| Embodiment five | Flawless | Flawless | Flawless | Flawless | Flawless |
| Existing sample | Flawless | Flawless | Flawless | Micro-crack | There is crackle |
From table 1 it is known that epoxy coating proposed by the present invention under high temperature, room temperature and low temperature all have it is good
Anti-reflective punching and anti-square impact ability.
Unless otherwise defined, all technical and scientific terms used herein and belong to technical field of the invention
The normally understood meaning of technical staff is identical.Term as used herein in the specification of the present invention is intended merely to description tool
The purpose of the embodiment of body, it is not intended that in the limitation present invention.Each technical characteristic of embodiment described above can carry out arbitrarily
Combination, for simplicity of description, it is not all possible to each technical characteristic in above-described embodiment combination be all described, so
And as long as there is no contradiction in the combination of these technical features, it all should be considered as described in this specification.
Claims (10)
1. a kind of epoxy coating, which is characterized in that be made of modified epoxy part and modified firming agent part, quality
Component includes:
The modified epoxy part:
The modified firming agent part:
2. epoxy coating according to claim 1, which is characterized in that the flexible-epoxy is bisphenol-A epoxy
Own four glycidol ether of diamino of resin E20, E12, modified by cardanol epoxy resin, 1,6- and the double shrinks of tetrahydrophthalic acid are sweet
The mixture of two or more in grease.
3. epoxy coating according to claim 1, which is characterized in that the polyether polyol is molecular weight 3000
The polyether-tribasic alcohol of polyether Glycols and/or molecular weight in 3000~6000 ranges in~6000 ranges.
4. epoxy coating according to claim 1, which is characterized in that first coupling agent or second coupling
Agent is γ-glycidyl ether oxygen propyl trimethoxy silicane, gamma-aminopropyl-triethoxy-silane, γ-glycidyl ether oxygen propyl
One of triethoxysilane and γ-aminopropyltrimethoxysilane are a variety of.
5. epoxy coating according to claim 1, which is characterized in that the cage structure elastomer powder it is microcosmic
Structure is cage type polyhedral structure made of being crosslinked as elastomeric segments and the activity for grafting on cage type polyhedral structure surface
End group is constituted；The cage type polyhedral structure is the longitude and latitude grid with fretwork model；The active end group mainly includes epoxy
Base and/or hydroxyl；The elastomeric segments are mainly two kinds in continuous poly- silicon oxygen bond, polyethers key, polyester key and polyamide bond
Or a variety of various combination.
6. epoxy coating according to claim 1, which is characterized in that the polyamine is modified by cardanol alicyclic ring
Amine, long-chain polyamide, 4,4- diaminodiphenyl-methane and 4, it is one or more in 4- diamino-dicyclohexyl methane.
7. epoxy coating according to claim 1, which is characterized in that the promotor is 2,4,6- tri--(dimethylamine
Ylmethyl) one of phenol, 2-ethyl-4-methylimidazole and 2-methylimidazole or a variety of.
8. epoxy coating according to claim 1, which is characterized in that the defoaming agent is isooctanol, dimethyl-silicon
One of oil and gasoline are a variety of.
9. epoxy coating according to claim 1, which is characterized in that first filler or second filler are
SiO 2 powder, titania powder, calcium carbonate powder, calcium sulphate powders, silica whisker, titanium dioxide crystal whisker, carbon
One of sour calcium pyroborate and calcium sulfate crystal whiskers are a variety of.
10. a kind of preparation method of the described in any item epoxy coatings of claim 1-9, which is characterized in that prepare respectively
The two is uniformly mixed again after modified epoxy part and modified firming agent part and obtains the epoxy coating；
The preparation step of the modified epoxy part is as follows:
Step 1: by being stirred 30~60 minutes after epoxy resin, the first coupling agent, polyether polyol mixed melting；
Step 2: cage structure elastomer powder is added into the mixture that step 1 obtains, stir 10~100 minutes；
Step 3: the first filler is added into the mixture that step 2 obtains, stir 30~120 minutes；
Step 4: defoaming agent is added into the mixture that step 3 obtains, stir 30~60 minutes；
Step 6: being stirred 30~120 minutes, and vacuum outgas obtains the modified epoxy part at 50 DEG C~80 DEG C；
The preparation step of the modified firming agent part is as follows:
Step 1: composite multi-component amine, the second coupling agent and promotor are mixed 30~60 minutes；
Step 2: the second filler is added into the mixture that step 1 obtains and stirs 30~60 minutes；
Step 3: defoaming agent is added into the mixture that step 2 obtains, and stir 30~60 minutes；
Step 4: the mixture that step 3 is obtained stirs 30~120 minutes at 50 DEG C~80 DEG C, and vacuum outgas obtains institute
State modified firming agent part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910345624.XA CN110079189B (en) | 2019-04-26 | 2019-04-26 | Epoxy resin coating and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910345624.XA CN110079189B (en) | 2019-04-26 | 2019-04-26 | Epoxy resin coating and preparation method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110079189A true CN110079189A (en) | 2019-08-02 |
| CN110079189B CN110079189B (en) | 2021-06-25 |
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| CN111647322A (en) * | 2020-06-27 | 2020-09-11 | 德阳聪源光电科技股份有限公司 | Conductive ink composition for preparing flexible heating film |
| CN111720667A (en) * | 2020-06-22 | 2020-09-29 | 中国水利水电科学研究院 | Compound carbon fiber reinforcing method for inner wall of water pipeline |
| CN113105813A (en) * | 2021-05-27 | 2021-07-13 | 上海京球新材料科技有限公司 | Special waterproof and compression-resistant coating for back surface of underground building, and preparation method and application method thereof |
| CN115286984A (en) * | 2022-04-08 | 2022-11-04 | 水乐涂新材料(广州)有限公司 | Decorative coating for underwater environment and preparation method thereof |
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| CN115286984B (en) * | 2022-04-08 | 2023-08-11 | 水乐涂新材料(广州)有限公司 | Decorative coating for underwater environment and preparation method thereof |
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