CN110791056A - High-performance temperature-resistant phenolic vinyl resin flake daub and preparation method thereof - Google Patents
High-performance temperature-resistant phenolic vinyl resin flake daub and preparation method thereof Download PDFInfo
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- CN110791056A CN110791056A CN201911140687.8A CN201911140687A CN110791056A CN 110791056 A CN110791056 A CN 110791056A CN 201911140687 A CN201911140687 A CN 201911140687A CN 110791056 A CN110791056 A CN 110791056A
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- 229920005989 resin Polymers 0.000 title claims abstract description 51
- 239000011347 resin Substances 0.000 title claims abstract description 51
- 229920002554 vinyl polymer Polymers 0.000 title claims abstract description 45
- 238000002360 preparation method Methods 0.000 title claims abstract description 10
- 238000003756 stirring Methods 0.000 claims description 30
- 239000002270 dispersing agent Substances 0.000 claims description 22
- 239000012760 heat stabilizer Substances 0.000 claims description 22
- 239000004014 plasticizer Substances 0.000 claims description 22
- 239000002518 antifoaming agent Substances 0.000 claims description 20
- 239000003795 chemical substances by application Substances 0.000 claims description 20
- 239000004593 Epoxy Substances 0.000 claims description 18
- 229920003986 novolac Polymers 0.000 claims description 18
- 125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 claims description 18
- 239000007822 coupling agent Substances 0.000 claims description 17
- 239000011521 glass Substances 0.000 claims description 17
- 239000013521 mastic Substances 0.000 claims description 7
- WFUGQJXVXHBTEM-UHFFFAOYSA-N 2-hydroperoxy-2-(2-hydroperoxybutan-2-ylperoxy)butane Chemical group CCC(C)(OO)OOC(C)(CC)OO WFUGQJXVXHBTEM-UHFFFAOYSA-N 0.000 claims description 5
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 5
- JLTDJTHDQAWBAV-UHFFFAOYSA-N N,N-dimethylaniline Chemical compound CN(C)C1=CC=CC=C1 JLTDJTHDQAWBAV-UHFFFAOYSA-N 0.000 claims description 5
- CTQNGGLPUBDAKN-UHFFFAOYSA-N O-Xylene Chemical compound CC1=CC=CC=C1C CTQNGGLPUBDAKN-UHFFFAOYSA-N 0.000 claims description 5
- 239000006087 Silane Coupling Agent Substances 0.000 claims description 5
- 238000004140 cleaning Methods 0.000 claims description 5
- 229910017052 cobalt Inorganic materials 0.000 claims description 5
- 239000010941 cobalt Substances 0.000 claims description 5
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 claims description 5
- 235000014113 dietary fatty acids Nutrition 0.000 claims description 5
- 238000001035 drying Methods 0.000 claims description 5
- 239000000194 fatty acid Substances 0.000 claims description 5
- 229930195729 fatty acid Natural products 0.000 claims description 5
- 125000005313 fatty acid group Chemical group 0.000 claims description 5
- 229920000915 polyvinyl chloride Polymers 0.000 claims description 5
- 239000004800 polyvinyl chloride Substances 0.000 claims description 5
- 239000008096 xylene Substances 0.000 claims description 5
- 238000000034 method Methods 0.000 claims description 2
- 239000013530 defoamer Substances 0.000 claims 2
- 229920001296 polysiloxane Polymers 0.000 claims 1
- 230000007797 corrosion Effects 0.000 abstract description 10
- 238000005260 corrosion Methods 0.000 abstract description 10
- 238000010276 construction Methods 0.000 abstract description 7
- 230000004048 modification Effects 0.000 abstract description 5
- 238000012986 modification Methods 0.000 abstract description 5
- 238000005452 bending Methods 0.000 abstract description 2
- 238000005536 corrosion prevention Methods 0.000 abstract 1
- 230000000052 comparative effect Effects 0.000 description 8
- 238000012360 testing method Methods 0.000 description 6
- XNGIFLGASWRNHJ-UHFFFAOYSA-N phthalic acid group Chemical group C(C=1C(C(=O)O)=CC=CC1)(=O)O XNGIFLGASWRNHJ-UHFFFAOYSA-N 0.000 description 5
- 239000004570 mortar (masonry) Substances 0.000 description 4
- OEOIWYCWCDBOPA-UHFFFAOYSA-N 6-methyl-heptanoic acid Chemical compound CC(C)CCCCC(O)=O OEOIWYCWCDBOPA-UHFFFAOYSA-N 0.000 description 3
- 239000004568 cement Substances 0.000 description 3
- 239000011248 coating agent Substances 0.000 description 3
- 238000000576 coating method Methods 0.000 description 3
- 238000006477 desulfuration reaction Methods 0.000 description 3
- 230000023556 desulfurization Effects 0.000 description 3
- 239000003546 flue gas Substances 0.000 description 3
- -1 phthalic acid ester Chemical class 0.000 description 3
- 229920001567 vinyl ester resin Polymers 0.000 description 3
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 2
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 description 2
- 230000005587 bubbling Effects 0.000 description 2
- 230000032798 delamination Effects 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 238000005488 sandblasting Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- KXGFMDJXCMQABM-UHFFFAOYSA-N 2-methoxy-6-methylphenol Chemical compound [CH]OC1=CC=CC([CH])=C1O KXGFMDJXCMQABM-UHFFFAOYSA-N 0.000 description 1
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003749 cleanliness Effects 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 238000000227 grinding Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- WGCNASOHLSPBMP-UHFFFAOYSA-N hydroxyacetaldehyde Natural products OCC=O WGCNASOHLSPBMP-UHFFFAOYSA-N 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 229920001568 phenolic resin Polymers 0.000 description 1
- 239000005011 phenolic resin Substances 0.000 description 1
- 239000002861 polymer material Substances 0.000 description 1
- 238000010298 pulverizing process Methods 0.000 description 1
- 238000010992 reflux Methods 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 239000000779 smoke Substances 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 230000004083 survival effect Effects 0.000 description 1
Classifications
-
- 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
- C08K13/00—Use of mixtures of ingredients not covered by one single of the preceding main groups, each of these compounds being essential
- C08K13/04—Ingredients characterised by their shape and organic or inorganic ingredients
-
- 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
- C08K3/40—Glass
-
- 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
- C08K5/00—Use of organic ingredients
- C08K5/04—Oxygen-containing compounds
- C08K5/09—Carboxylic acids; Metal salts thereof; Anhydrides thereof
- C08K5/098—Metal salts of carboxylic acids
-
- 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
- C08K5/00—Use of organic ingredients
- C08K5/04—Oxygen-containing compounds
- C08K5/10—Esters; Ether-esters
- C08K5/12—Esters; Ether-esters of cyclic polycarboxylic acids
-
- 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
- C08K5/00—Use of organic ingredients
- C08K5/16—Nitrogen-containing compounds
- C08K5/17—Amines; Quaternary ammonium compounds
- C08K5/18—Amines; Quaternary ammonium compounds with aromatically bound amino groups
-
- 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
- C08K7/00—Use of ingredients characterised by shape
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/08—Stabilised against heat, light or radiation or oxydation
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
The invention discloses high-performance temperature-resistant phenolic vinyl resin flake daub and a preparation method thereof. The high-performance temperature-resistant phenolic vinyl resin flake daub has excellent corrosion resistance, is suitable for corrosion prevention construction of flue systems after ultra-low emission modification of coal-fired power plant units, has excellent tensile strength and bending strength, and has mechanical properties higher than those of common temperature-resistant phenolic vinyl resin flake daubs.
Description
Technical Field
The invention relates to the technical field of preparation of high polymer materials, in particular to high-performance temperature-resistant phenolic vinyl resin flake daub and a preparation method thereof.
Background
With the trend of the strict policy of China on pollution emission, people pay more attention to the environment depending on survival, and units of coal-fired power plants are successively subjected to ultralow emission modification. A WGGH system (water medium type flue gas-flue gas heat exchanger system) is added in the improvement and is mainly used for recovering heat of a flue at the tail of a coal-fired unit and heating flue gas at the outlet of a desulfurization device, so that the smoke exhaust temperature of a chimney is increased. After the operation of ultralow-emission reconstruction for a period of time, the corrosion of the medium in the desulfurization device of the added WGGH system is enhanced, the corrosion damage of the flue system of the coal-fired unit of the thermal power plant is particularly serious, and the normal operation of the thermal power plant is seriously threatened. Therefore, the development and the use of the anticorrosive material which can be used for a long time in a high-temperature (high-humidity) environment have important significance in solving the corrosion of the boiler tail flue after the ultralow emission reconstruction, prolonging the service life of the tail flue and ensuring the long-period safe and stable operation of a power plant unit.
Disclosure of Invention
In order to solve the problem of flue system corrosion after ultralow emission reconstruction of the coal-fired power plant unit, the invention provides high-performance temperature-resistant phenolic vinyl resin scale cement which is prepared from the following components in parts by weight: 40-60 parts of novolac epoxy vinyl resin, 25-35 parts of glass flakes, 16-20 parts of curing agent, 0.3-0.7 part of plasticizer, 0.1-0.3 part of heat stabilizer, 1-3 parts of coupling agent, 1-3 parts of dispersing agent, 1-3 parts of defoaming agent and 1-3 parts of accelerator.
Further, the paint comprises the following components in parts by weight: 50 parts of novolac epoxy vinyl resin, 30 parts of glass flakes, 18 parts of curing agent, 0.5 part of plasticizer, 0.2 part of heat stabilizer, 2 parts of coupling agent, 2 parts of dispersing agent, 2 parts of defoaming agent and 1.8 parts of accelerator.
Further, the accelerant consists of the following components in parts by weight: 1-4 parts of cobalt iso-octoate, 1-6 parts of dimethylaniline and 90-98 parts of xylene.
Further, the curing agent is methyl ethyl ketone peroxide.
Further, the plasticizer is a phthalic acid glycol plasticizer.
Further, the heat stabilizer is a heat polyvinyl chloride-based heat stabilizer.
Further, the coupling agent is a silane coupling agent.
Further, the dispersing agent is a fatty acid dispersing agent.
Further, the defoaming agent is an organic silicon type defoaming agent.
In addition, the invention also provides a preparation method of the high-performance temperature-resistant phenolic vinyl resin scale mortar, which comprises the following steps:
s1, pouring novolac epoxy vinyl resin into a stirring container at normal temperature, adding a plasticizer and a heat stabilizer, and uniformly stirring;
s2, cleaning and drying the glass flakes by using alcohol, pouring the glass flakes and a coupling agent into a stirring container, and uniformly stirring;
and S3, adding the dispersing agent, the defoaming agent, the accelerator and the curing agent into the stirring container, and uniformly stirring.
The invention has the beneficial effects that:
(1) the high-performance temperature-resistant phenolic vinyl resin scale daub has excellent corrosion resistance, and is suitable for corrosion-resistant construction of flue systems after ultralow-emission modification of coal-fired power plant units;
(2) the high-performance temperature-resistant phenolic vinyl resin flake daub has excellent tensile strength and bending strength, and the mechanical property of the high-performance temperature-resistant phenolic vinyl resin flake daub is higher than that of the common temperature-resistant phenolic vinyl resin flake daub.
Detailed Description
In order to more clearly understand the technical features, objects, and effects of the present invention, specific embodiments of the present invention will now be described. It should be understood that the detailed description and specific examples, while indicating the preferred embodiment of the invention, are intended for purposes of illustration only and are not intended to limit the scope of the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments of the present invention without making any creative effort, shall fall within the protection scope of the present invention.
Example 1
The embodiment provides high-performance temperature-resistant phenolic vinyl resin scale mortar which is prepared from the following components in parts by weight: 50 parts of novolac epoxy vinyl resin, 30 parts of glass flakes, 18 parts of curing agent, 0.5 part of plasticizer, 0.2 part of heat stabilizer, 2 parts of coupling agent, 2 parts of dispersing agent, 2 parts of defoaming agent and 1.8 parts of accelerator. The curing agent is methyl ethyl ketone peroxide, the plasticizer is phthalic acid ester plasticizer, the heat stabilizer is heat polyvinyl chloride heat stabilizer, the coupling agent is silane coupling agent, the dispersing agent is fatty acid dispersing agent, the defoaming agent is organosilicon defoaming agent, and the accelerator is composed of the following components in parts by weight: 3 parts of cobalt isooctanoate, 4 parts of dimethylaniline and 93 parts of xylene, wherein the novolac epoxy vinyl resin is SWANCOR 900 series novolac epoxy modified vinyl ester resin.
The preparation method of the high-performance temperature-resistant phenolic vinyl resin scale daub comprises the following steps:
s1, pouring novolac epoxy vinyl resin into a stirring container at normal temperature, adding a plasticizer and a heat stabilizer, and stirring for 2 minutes at a rotating speed of 900 r/min;
s2, cleaning and drying the glass flakes by using alcohol, pouring the glass flakes and a coupling agent into a stirring container, and stirring for 5 minutes at the rotating speed of 900 r/min;
and S3, adding a dispersing agent, a defoaming agent, an accelerating agent and a curing agent into the stirring container, and stirring for 3 minutes at the rotating speed of 900 r/min.
Example 2
The embodiment provides high-performance temperature-resistant phenolic vinyl resin scale mortar which is prepared from the following components in parts by weight: 60 parts of novolac epoxy vinyl resin, 25 parts of glass flakes, 16 parts of curing agent, 0.3 part of plasticizer, 0.1 part of heat stabilizer, 1 part of coupling agent, 1 part of dispersing agent, 1 part of defoaming agent and 1 part of accelerator. The curing agent is methyl ethyl ketone peroxide, the plasticizer is phthalic acid ester plasticizer, the heat stabilizer is heat polyvinyl chloride heat stabilizer, the coupling agent is silane coupling agent, the dispersing agent is fatty acid dispersing agent, the defoaming agent is organosilicon defoaming agent, and the accelerator is composed of the following components in parts by weight: 1 part of cobalt isooctanoate, 1 part of dimethylaniline and 98 parts of xylene, wherein the novolac epoxy vinyl resin is SWANCOR 900 series novolac epoxy modified vinyl ester resin.
The preparation method of the high-performance temperature-resistant phenolic vinyl resin scale daub comprises the following steps:
s1, pouring novolac epoxy vinyl resin into a stirring container at normal temperature, adding a plasticizer and a heat stabilizer, and stirring at the rotating speed of 800r/min for 1 minute;
s2, cleaning and drying the glass flakes by using alcohol, pouring the glass flakes and a coupling agent into a stirring container, and stirring for 3 minutes at a rotating speed of 800 r/min;
and S3, adding a dispersing agent, a defoaming agent, an accelerating agent and a curing agent into the stirring container, and stirring for 2 minutes at the rotating speed of 800 r/min.
Example 3
The embodiment provides high-performance temperature-resistant phenolic vinyl resin scale mortar which is prepared from the following components in parts by weight: 40 parts of novolac epoxy vinyl resin, 35 parts of glass flakes, 20 parts of curing agent, 0.7 part of plasticizer, 0.3 part of heat stabilizer, 3 parts of coupling agent, 3 parts of dispersing agent, 3 parts of defoaming agent and 3 parts of accelerator. The curing agent is methyl ethyl ketone peroxide, the plasticizer is phthalic acid ester plasticizer, the heat stabilizer is heat polyvinyl chloride heat stabilizer, the coupling agent is silane coupling agent, the dispersing agent is fatty acid dispersing agent, the defoaming agent is organosilicon defoaming agent, and the accelerator is composed of the following components in parts by weight: 4 parts of cobalt isooctanoate, 6 parts of dimethylaniline and 90 parts of xylene, wherein the novolac epoxy vinyl resin is SWANCOR 900 series novolac epoxy modified vinyl ester resin.
The preparation method of the high-performance temperature-resistant phenolic vinyl resin scale daub comprises the following steps:
s1, pouring novolac epoxy vinyl resin into a stirring container at normal temperature, adding a plasticizer and a heat stabilizer, and stirring for 3 minutes at a rotating speed of 1000 r/min;
s2, cleaning and drying the glass flakes by using alcohol, pouring the glass flakes and a coupling agent into a stirring container, and stirring for 8 minutes at a rotating speed of 1000 r/min;
and S3, adding a dispersing agent, a defoaming agent, an accelerating agent and a curing agent into the stirring container, and stirring for 5 minutes at the rotating speed of 1000 r/min.
Comparative example
The common temperature-resistant phenolic vinyl resin scale daub is specifically common temperature-resistant resin scale daub with the model of SWANCOR 907-FLTCP.
Detecting the index
TABLE 1 mechanical Property test data for examples 1-3 and comparative examples
Field test
In order to verify the corrosion performance of the resin scale cements provided in examples 1-3 and comparative examples, the resin scale cements provided in examples 1-3 and comparative examples were subjected to field tests.
(1) Test environment
Humidity: 75 percent;
temperature: 16 ℃;
the operation time of the flue is as follows: more than or equal to 1 year;
conditions before flue experiments: no anticorrosive treatment is carried out before the experiment, the dust deposition and scaling are serious, and the corrosion is serious;
flue operation temperature: normal < 150 ℃, extreme: 150 ℃ to 170 ℃, maximum: 170 ℃;
flue operation medium: coal-fired tail gas, and the desulfurization system refluxes water vapor when the operation is stopped.
(2) Test requirements
Carrying out sand blasting treatment on the flue substrate, wherein the cleanliness is more than or equal to Sa21/2Grade, the roughness is more than or equal to 50 mu m;
the construction is carried out according to the procedures of matrix sand blasting → bottom coating → lining construction → surface coating, and the operation flow of coating construction, the interval time between layers, environmental conditions and construction technical requirements need to meet the requirements of relevant specifications.
(3) Test results
After a flue is additionally provided with a flue gas heat exchange system and operates for 5 months, the common temperature-resistant phenolic resin scale daub lining of the comparative example is damaged in different degrees, mainly shows local blackening, pulverization, bubbling and delamination, and is not suitable for the anticorrosion construction of the section of the flue; the high performance temperature resistant phenolic vinyl resin scale mastic liners of examples 1-3 were essentially intact and were well suited for corrosion protection in this section of flue. The specific operating conditions of examples 1-3 and comparative examples are as follows:
TABLE 2 specific run conditions for examples 1-3 and comparative examples
| Name (R) | Blackening | Powdering | Bubbling device | Delamination of | Wear and tear |
| Example 1 | Is free of | Is free of | Is free of | Is free of | Light and slight |
| Example 2 | Is free of | Is free of | Is free of | Is free of | Light and slight |
| Example 3 | Is free of | Is free of | Is free of | Is free of | Light and slight |
| Comparative example | Mild degree of | Mild degree of | Mild degree of | Mild degree of | Of moderate degree |
The foregoing is illustrative of the preferred embodiments of this invention, and it is to be understood that the invention is not limited to the precise form disclosed herein and that various other combinations, modifications, and environments may be resorted to, falling within the scope of the concept as disclosed herein, either as described above or as apparent to those skilled in the relevant art. And that modifications and variations may be effected by those skilled in the art without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (10)
1. The high-performance temperature-resistant phenolic vinyl resin scale daub is characterized by comprising the following components in parts by weight: 40-60 parts of novolac epoxy vinyl resin, 25-35 parts of glass flakes, 16-20 parts of curing agent, 0.3-0.7 part of plasticizer, 0.1-0.3 part of heat stabilizer, 1-3 parts of coupling agent, 1-3 parts of dispersing agent, 1-3 parts of defoaming agent and 1-3 parts of accelerator.
2. The high-performance temperature-resistant phenolic vinyl resin scale mastic as claimed in claim 1, which is prepared from the following components in parts by weight: 50 parts of novolac epoxy vinyl resin, 30 parts of glass flakes, 18 parts of curing agent, 0.5 part of plasticizer, 0.2 part of heat stabilizer, 2 parts of coupling agent, 2 parts of dispersing agent, 2 parts of defoaming agent and 1.8 parts of accelerator.
3. The high-performance temperature-resistant phenolic vinyl resin scale daub as claimed in claim 1 or 2, and the preparation method thereof, wherein the accelerator comprises the following components in parts by weight: 1-4 parts of cobalt iso-octoate, 1-6 parts of dimethylaniline and 90-98 parts of xylene.
4. The high-performance temperature-resistant phenolic vinyl resin scale mastic as claimed in claim 1 or 2, wherein the curing agent is methyl ethyl ketone peroxide.
5. The high performance temperature-resistant phenolic vinyl resin flake mastic as claimed in claim 1 or claim 2, wherein the plasticiser is a snorkel-type plasticiser.
6. The high-performance heat-resistant phenolic vinyl resin flake daub as claimed in claim 1 or 2, wherein the heat stabilizer is a heat polyvinyl chloride heat stabilizer.
7. The high-performance temperature-resistant phenolic vinyl resin flake daub as claimed in claim 1 or 2, wherein the coupling agent is a silane coupling agent.
8. The high-performance temperature-resistant phenolic vinyl resin flake mastic as claimed in claim 1 or claim 2, wherein the dispersant is a fatty acid dispersant.
9. The high-performance temperature-resistant phenolic vinyl resin scale mastic as claimed in claim 1 or 2, wherein the defoamer is a silicone defoamer.
10. The method for preparing the high-performance temperature-resistant phenolic vinyl resin scale mastic as claimed in claim 1 or 2, which comprises the following steps:
s1, pouring novolac epoxy vinyl resin into a stirring container at normal temperature, adding a plasticizer and a heat stabilizer, and uniformly stirring;
s2, cleaning and drying the glass flakes by using alcohol, pouring the glass flakes and a coupling agent into a stirring container, and uniformly stirring;
and S3, adding the dispersing agent, the defoaming agent, the accelerator and the curing agent into the stirring container, and uniformly stirring.
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| CN116376425A (en) * | 2023-03-13 | 2023-07-04 | 浙江晨诺高分子材料有限公司 | Photo-curing vinyl scale daub |
| CN117487443A (en) * | 2023-11-10 | 2024-02-02 | 云南云岭涂料有限公司 | Low-shrinkage middle-corrosion-resistant coating and preparation method thereof |
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| CN116376425A (en) * | 2023-03-13 | 2023-07-04 | 浙江晨诺高分子材料有限公司 | Photo-curing vinyl scale daub |
| CN117487443A (en) * | 2023-11-10 | 2024-02-02 | 云南云岭涂料有限公司 | Low-shrinkage middle-corrosion-resistant coating and preparation method thereof |
| CN117487443B (en) * | 2023-11-10 | 2024-04-05 | 云南云岭涂料有限公司 | Low-shrinkage heavy-duty anticorrosive paint and preparation method thereof |
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Application publication date: 20200214 |