AU2021101638A4 - High-temperature-resistant color-coated steel plate coating, color-coated steel plate containing same and their preparation methods - Google Patents
High-temperature-resistant color-coated steel plate coating, color-coated steel plate containing same and their preparation methods Download PDFInfo
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- AU2021101638A4 AU2021101638A4 AU2021101638A AU2021101638A AU2021101638A4 AU 2021101638 A4 AU2021101638 A4 AU 2021101638A4 AU 2021101638 A AU2021101638 A AU 2021101638A AU 2021101638 A AU2021101638 A AU 2021101638A AU 2021101638 A4 AU2021101638 A4 AU 2021101638A4
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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
-
- 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
-
- 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
- C23C18/00—Chemical coating by decomposition of either liquid compounds or solutions of the coating forming compounds, without leaving reaction products of surface material in the coating; Contact plating
-
- 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
- C23C30/00—Coating with metallic material characterised only by the composition of the metallic material, i.e. not characterised by the coating process
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- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Wood Science & Technology (AREA)
- Organic Chemistry (AREA)
- Laminated Bodies (AREA)
- Application Of Or Painting With Fluid Materials (AREA)
Abstract
Disclosed are a high-temperature-resistant color-coated steel plate coating, a
color-coated steel plate containing the coating, and their preparation methods. The coating
comprises component A and component B, wherein the component A comprises the
following raw materials in parts by weight: 35-42 parts of polyether epoxy resin, 22-27
parts of phenolic epoxy resin, 15-20 parts of silicone modified epoxy resin, 20-26 parts of
phenylmethyl silicone resin, 3.5-5 parts of
dimethylsilylene)bis(2-methyl-4-phenylindenyl)zirconium dichloride, 5-7 parts of
polysilazane, 5-7 parts of a filler, and 90-150 parts of a solvent; the component B
comprises the following raw materials in parts by weight: 80-85 parts of an epoxy resin
hardener, and 15-17 parts of an epoxy resin accelerator. The paintcoat made from the
coating has excellent adhesion performance, high temperature resistance characteristics of
withstanding the temperature above 450°C, and good impact resistance performance. In
addition, the paintcoat has good flexibility.
17
Description
[0001] The present invention relates to the technical field of coatings for
color-coated steel plates, in particular to a high-temperature-resistant color-coated steel
plate coating, a color-coated steel plate containing the same and their preparation methods.
[0002] Because of its beautiful appearance, different color combinations and
excellent protective performance, color-coated steel plates are widely used in the roofs and
walls of a light steel structure in the construction industry. With the characteristics of
simple operation and wide application range, corrosion-resistant coatings are still the most
extensive corrosion-resistant method for steel structures. Corrosion-resistant coatings
commonly used at present mainly include epoxy resin coatings, polyurethane resin
coatings, and glass-flake coatings. Epoxy resin has excellent alkali resistance,
anti-permeability, adhesion and mechanical properties, and has become one of the most
widely used resins in corrosion-resistant coatings.
[0003] However, the color-coated steel plate coatings currently used still have the
following problems:
[0004] With poor high-temperature resistance, the adhesion performance of the
color-coated steel plate coatings currently used will drop sharply when they are used in a
high temperature environment, and the current paintcoats are prone to peeling off;
[0005] The color-coated steel plate coatings currently used have poor adhesion
performance;
[0006] With poor flexibility, the current color-coated steel plate coatings impacted
are easy to be damaged, and the current paintcoats are prone to peeling off when they are
used an alternating hot and cold environment.
[0007] Based on the above situation, the objective of the invention is to provide a
high-temperature-resistant color-coated steel plate coating, a color-coated steel plate
containing the coating, and their preparation methods, which can effectively solve the
above problems.
[0008] In order to solve the above technical problems, the invention further adopts
the following technical solution:
[0009] A high-temperature-resistant color-coated steel plate coating, including
component A and component B, wherein the mass ratio of the component A to the
component B is 100:(1.2-1.7);
[0010] the component A comprises the following raw materials in parts by weight:
[0011] 35-42 parts of polyether epoxy resin,
[0012] 22-27 parts of phenolic epoxy resin,
[0013] 15-20 parts of silicone modified epoxy resin,
[0014] 20-26 parts of phenylmethyl silicone resin,
[0015] 3.5-5 parts of dimethylsilylene)bis(2-methyl-4-phenylindenyl)zirconium
dichloride,
[0016] 5-7 parts of polysilazane,
[0017] 5-7 parts of a filler, and
[0018] 90-150 parts of a solvent;
[0019] the component B comprises the following raw materials in parts by weight:
-85 parts of an epoxy resin hardener, and 15-17 parts of an epoxy resin accelerator.
[0020] Preferably, the mass ratio of the component A to the component B is
100:1.45;
[0021] the component A comprises the following raw materials in parts by weight:
[0022] 38 parts of polyether epoxy resin,
[0023] 24.5 parts of phenolic epoxy resin,
[0024] 17.5 parts of silicone modified epoxy resin,
[0025] 23 parts of phenylmethyl silicone resin,
[0026] 4.3 parts of dimethylsilylene)bis(2-methyl-4-phenylindenyl)zirconium
dichloride,
[0027] 6 parts of polysilazane,
[0028] 6 parts of a filler, and
[0029] 130 parts of a solvent;
[0030] the component B comprises the following raw materials in parts by weight:
82.5 parts of an epoxy resin hardener, and 16 parts of an epoxy resin accelerator.
[0031] Preferably, the phenylmethyl silicone resin is phenylmethyl silicone resin
1154.
[0032] Preferably, the filler is a mixture of silicon carbide and silica gel; the mass
ratio of the silicon carbide to the silica gel is 1:(1.64-1.84).
[0033] Preferably, the solvent is at least one of ethanol, butyl acetate, dibutyl ester,
and methyl ethyl ketone.
[0034] Preferably, the epoxy resin hardener is modified amine epoxy curing agent
A50; the epoxy resin accelerator is epoxy resin curing accelerator BDMA.
[0035] Preferably, the component A further comprises the following raw materials
in parts by weight: 0.8-1.2 parts of a leveling agent, 1.5-3 parts of a dispersant, and 1.4-2.4
parts of a wetting agent.
[0036] The invention also provides a preparation method of the high-temperature-resistant color-coated steel plate coating, including:
[0037] weighing the following materials in parts by weight: polyether epoxy resin,
phenolic epoxy resin, silicone modified epoxy resin, phenylmethyl silicone resin,
dimethylsilylene)bis(2-methyl-4-phenylindenyl)zirconium dichloride, polysilazane, a filler,
a solvent, an epoxy resin hardener, and an epoxy resin accelerator;
[0038] preparing component A: firstly adding polyether epoxy resin, phenolic
epoxy resin, silicone modified epoxy resin, phenylmethyl silicone resin, and
dimethylsilylene)bis(2-methyl-4-phenylindenyl)zirconiumdichloride into the solvent, and
stirring at 600-1000r/min for 40-60min; then adding polysilazane and the filler, and
carrying out shearing dispersion at 1500-2000r/min for 15-25min, thus obtaining the
component A;
[0039] preparing component B: well mixing the epoxy resin hardener and the
epoxy resin accelerator to obtain component B; and
[0040] mixing the component A and the component B according to the mass ratio
of 100:(1.2-1.7) for instant use.
[0041] The invention further provides a color-coated steel plate containing the
high-temperature-resistant color-coated steel plate coating, including a color-coated steel
plate body and a high-temperature-resistant paintcoat, wherein the
high-temperature-resistant paintcoat is arranged on the surface of the color-coated steel
plate body, and the high-temperature-resistant paintcoat is made of the
high-temperature-resistant color-coated steel plate coating.
[0042] The invention further provides a preparation method of the color-coated
steel plate containing the high-temperature-resistant color-coated steel plate coating,
including: uniformly coating the high-temperature-resistant color-coated steel plate
coating on the surface of the color-coated steel plate body, and drying, thus obtaining the
color-coated steel plate containing the high-temperature-resistant color-coated steel plate coating.
[0043] Compared with the prior art, the present invention has the following
advantages and beneficial effects:
[0044] According to the high-temperature-resistant color-coated steel plate coating
of the invention, by selecting raw materials carefully and optimizing the content of each
raw material, polyether epoxy resin, phenolic epoxy resin, silicone modified epoxy resin,
phenylmethyl silicone resin, dimethylsilylene)bis(2-methyl-4-phenylindenyl)zirconium
dichloride, polysilazane, the filler, the solvent, the epoxy resin hardener, and the epoxy
resin accelerator are selected in an appropriate ratio; they not only give full play to their
respective advantages, but also complement each other and promote each other. The
paintcoat made from the coating has excellent adhesion performance, high temperature
resistance characteristics, and good impact resistance performance. After baking the
coating at a high temperature of 450°C for 2 hours, it is found that the adhesion
performance remains excellent without change, and the temperature resistance can reach
450°C or more. In addition, the paintcoat has good flexibility.
[0045] The preparation method of the invention has simple process and simple
operation, and saves manpower and equipment costs.
[0046] In order to enable those skilled in the art to better understand the technical
solutions of the invention, the preferred embodiments of the invention will be described
below in conjunction with specific embodiments, but it should not be understood as
limiting this patent.
[0047] The experimental method or test methods described in the following
embodiments are conventional methods unless otherwise specified; the reagents and
materials, unless otherwise specified, are obtained from conventional commercial channels or prepared by conventional methods.
[0048] Example 1:
[0049] Provided is a high-temperature-resistant color-coated steel plate coating,
including component A and component B, wherein the mass ratio of the component A to
the component B is 100:1.2;
[0050] the component A comprises the following raw materials in parts by weight:
[0051] 35 parts of polyether epoxy resin,
[0052] 22 parts of phenolic epoxy resin,
[0053] 15 parts of silicone modified epoxy resin,
[0054] 20 parts of phenylmethyl silicone resin,
[0055] 3.5 parts of dimethylsilylene)bis(2-methyl-4-phenylindenyl)zirconium
dichloride,
[0056] 5 parts of polysilazane,
[0057] 5 parts of a filler,
[0058] 0.8 parts of a leveling agent,
[0059] 1.5 parts of a dispersant,
[0060] 1.4 parts of a wetting agent, and
[0061] 90 parts of a solvent;
[0062] the component B comprises the following raw materials in parts by weight:
parts of an epoxy resin hardener, and 15 parts of an epoxy resin accelerator.
[0063] In this example, the phenylmethyl silicone resin is phenylmethyl silicone
resin 1154.
[0064] In this example, the filler is a mixture of silicon carbide and silica gel; the
mass ratio of the silicon carbide to the silica gel is 1:1.64.
[0065] In this example, the solvent is methyl ethyl ketone.
[0066] In this example, the epoxy resin hardener is modified amine epoxy curing agent A50; the epoxy resin accelerator is epoxy resin curing accelerator BDMA.
[0067] In this example, further provided is a preparation method of the
high-temperature-resistant color-coated steel plate coating, including:
[0068] weighing the following materials in parts by weight: polyether epoxy resin,
phenolic epoxy resin, silicone modified epoxy resin, phenylmethyl silicone resin,
dimethylsilylene)bis(2-methyl-4-phenylindenyl)zirconium dichloride, polysilazane, a filler,
a solvent, an epoxy resin hardener, and an epoxy resin accelerator;
[0069] preparing component A: firstly adding polyether epoxy resin, phenolic
epoxy resin, silicone modified epoxy resin, phenylmethyl silicone resin, and
dimethylsilylene)bis(2-methyl-4-phenylindenyl)zirconiumdichloride into the solvent, and
stirring at 600r/min for 60min; then adding polysilazane and the filler, and carrying out
shearing dispersion at 2000r/min for 15min, thus obtaining the component A;
[0070] preparing component B: well mixing the epoxy resin hardener and the
epoxy resin accelerator to obtain component B; and
[0071] mixing the component A and the component B according to the mass ratio
of 100:1.2 for instant use.
[0072] Further provided is a color-coated steel plate containing the
high-temperature-resistant color-coated steel plate coating, including a color-coated steel
plate body and a high-temperature-resistant paintcoat, wherein the
high-temperature-resistant paintcoat is arranged on the surface of the color-coated steel
plate body, and the high-temperature-resistant paintcoat is made of the
high-temperature-resistant color-coated steel plate coating.
[0073] Further provided is a preparation method of the color-coated steel plate
containing the high-temperature-resistant color-coated steel plate coating, including:
uniformly coating the high-temperature-resistant color-coated steel plate coating on the
surface of the color-coated steel plate body, and drying, thus obtaining the color-coated steel plate containing the high-temperature-resistant color-coated steel plate coating.
[0074] Example 2:
[0075] Provided is a high-temperature-resistant color-coated steel plate coating,
including component A and component B, wherein the mass ratio of the component A to
the component B is 100:1.7;
[0076] the component A comprises the following raw materials in parts by weight:
[0077] 42 parts of polyether epoxy resin,
[0078] 27 parts of phenolic epoxy resin,
[0079] 20 parts of silicone modified epoxy resin,
[0080] 26 parts of phenylmethyl silicone resin,
[0081] 5 parts of dimethylsilylene)bis(2-methyl-4-phenylindenyl)zirconium
dichloride,
[0082] 7 parts of polysilazane,
[0083] 7 parts of a filler,
[0084] 1.2 parts of a leveling agent,
[0085] 3 parts of a dispersant,
[0086] 2.4 parts of a wetting agent, and
[0087] 150 parts of a solvent;
[0088] the component B comprises the following raw materials in parts by weight:
parts of an epoxy resin hardener, and 17 parts of an epoxy resin accelerator.
[0089] In this example, the phenylmethyl silicone resin is phenylmethyl silicone
resin 1154.
[0090] In this example, the filler is a mixture of silicon carbide and silica gel; the
mass ratio of the silicon carbide to the silica gel is 1:1.84.
[0091] In this example, the solvent includes dibutyl ester and methyl ethyl ketone
which are in a mass ratio of 1:1.
[0092] In this example, the epoxy resin hardener is modified amine epoxy curing
agent A50; the epoxy resin accelerator is epoxy resin curing accelerator BDMA.
[0093] In this example, further provided is a preparation method of the
high-temperature-resistant color-coated steel plate coating, including:
[0094] weighing the following materials in parts by weight: polyether epoxy resin,
phenolic epoxy resin, silicone modified epoxy resin, phenylmethyl silicone resin,
dimethylsilylene)bis(2-methyl-4-phenylindenyl)zirconium dichloride, polysilazane, a filler,
a solvent, an epoxy resin hardener, and an epoxy resin accelerator;
[0095] preparing component A: firstly adding polyether epoxy resin, phenolic
epoxy resin, silicone modified epoxy resin, phenylmethyl silicone resin, and
dimethylsilylene)bis(2-methyl-4-phenylindenyl)zirconiumdichloride into the solvent, and
stirring at 10OOr/min for 40min; then adding polysilazane and the filler, and carrying out
shearing dispersion at 1500r/min for 25min, thus obtaining the component A;
[0096] preparing component B: well mixing the epoxy resin hardener and the
epoxy resin accelerator to obtain component B; and
[0097] mixing the component A and the component B according to the mass ratio
of 100:1.7 for instant use.
[0098] Further provided is a color-coated steel plate containing the
high-temperature-resistant color-coated steel plate coating, including a color-coated steel
plate body and a high-temperature-resistant paintcoat, wherein the
high-temperature-resistant paintcoat is arranged on the surface of the color-coated steel
plate body, and the high-temperature-resistant paintcoat is made of the
high-temperature-resistant color-coated steel plate coating.
[0099] Further provided is a preparation method of the color-coated steel plate
containing the high-temperature-resistant color-coated steel plate coating, including:
uniformly coating the high-temperature-resistant color-coated steel plate coating on the surface of the color-coated steel plate body, and drying, thus obtaining the color-coated steel plate containing the high-temperature-resistant color-coated steel plate coating.
[00100] Example 3:
[00101] Provided is a high-temperature-resistant color-coated steel plate coating,
including component A and component B, wherein the mass ratio of the component A to
the component B is 100:1.45;
[00102] the component A comprises the following raw materials in parts by weight:
[00103] 38 parts of polyether epoxy resin,
[00104] 24.5 parts of phenolic epoxy resin,
[00105] 17.5 parts of silicone modified epoxy resin,
[00106] 23 parts of phenylmethyl silicone resin,
[00107] 4.3 parts of dimethylsilylene)bis(2-methyl-4-phenylindenyl)zirconium
dichloride,
[00108] 6 parts of polysilazane,
[00109] 6 parts of a filler,
[00110] 1 parts of a leveling agent,
[00111] 2.2 parts of a dispersant,
[00112] 1.9 parts of a wetting agent, and
[00113] 130 parts of a solvent;
[00114] the component B comprises the following raw materials in parts by weight:
82.5 parts of an epoxy resin hardener, and 16 parts of an epoxy resin accelerator.
[00115] In this example, the phenylmethyl silicone resin is phenylmethyl silicone
resin 1154.
[00116] In this example, the filler is a mixture of silicon carbide and silica gel; the
mass ratio of the silicon carbide to the silica gel is 1:1.74.
[00117] In this example, the solvent includes ethanol, butyl acetate, and methyl ethyl ketone which are in a mass ratio of 1:1:1.
[00118] In this example, the epoxy resin hardener is modified amine epoxy curing
agent A50; the epoxy resin accelerator is epoxy resin curing accelerator BDMA
[00119] In this example, further provided is a preparation method of the
high-temperature-resistant color-coated steel plate coating, including:
[00120] weighing the following materials in parts by weight: polyether epoxy resin,
phenolic epoxy resin, silicone modified epoxy resin, phenylmethyl silicone resin,
dimethylsilylene)bis(2-methyl-4-phenylindenyl)zirconiumdichloride,polysilazane, a filler,
a solvent, an epoxy resin hardener, and an epoxy resin accelerator;
[00121] preparing component A: firstly adding polyether epoxy resin, phenolic
epoxy resin, silicone modified epoxy resin, phenylmethyl silicone resin, and
dimethylsilylene)bis(2-methyl-4-phenylindenyl)zirconiumdichloride into the solvent, and
stirring at 800r/min for 50min; then adding polysilazane and the filler, and carrying out
shearing dispersion at 1800r/min for 20min, thus obtaining the component A;
[00122] preparing component B: well mixing the epoxy resin hardener and the
epoxy resin accelerator to obtain component B; and
[00123] mixing the component A and the component B according to the mass ratio
of 100:1.45 for instant use.
[00124] Further provided is a color-coated steel plate containing the
high-temperature-resistant color-coated steel plate coating, including a color-coated steel
plate body and a high-temperature-resistant paintcoat, wherein the
high-temperature-resistant paintcoat is arranged on the surface of the color-coated steel
plate body, and the high-temperature-resistant paintcoat is made of the
high-temperature-resistant color-coated steel plate coating.
[00125] Further provided is a preparation method of the color-coated steel plate
containing the high-temperature-resistant color-coated steel plate coating, including: uniformly coating the high-temperature-resistant color-coated steel plate coating on the surface of the color-coated steel plate body, and drying, thus obtaining the color-coated steel plate containing the high-temperature-resistant color-coated steel plate coating.
[00126] Comparative Example 1
[00127] Comparative Example 1 is identical to Example 3 except that polyether
epoxy resin is replaced with epoxy resin E44.
[00128] Comparative Example 2
[00129] Comparative Example 2 is identical to Example 3 except that phenolic
epoxy resin is replaced with epoxy resin E44.
[00130] Comparative Example 3
[00131] Comparative Example 3 is identical to Example 3 except that silicone
modified epoxy resin is replaced with epoxy resin E44.
[00132] Comparative Example 4
[00133] Comparative Example 4 is identical to Example 3 except that phenylmethyl
silicone resin is replaced with epoxy resin E44.
[00134] Comparative Example 5
[00135] Comparative Example 5 is identical to Example 3 except that
dimethylsilylene)bis(2-methyl-4-phenylindenyl)zirconium dichloride is not used in
Comparative Example 5.
[00136] Comparative Example 6
[00137] Comparative Example 6 is identical to Example 3 except that polysilazane
is not used in Comparative Example 6.
[00138] Comparative Example 7
[00139] Comparative Example 7 is identical to Example 3 except that the filler is
only silica gel.
[00140] The performance tests are performed below on the high-temperature-resistant color-coated steel plate coatings obtained in Examples 1-3 of the present invention and in Comparative Examples 1-7, and the test results are shown in
Table 1.
[00141] During the tests, the same specifications of the high-temperature-resistant
color-coated steel plate coatings obtained in Examples 1-3 of the present invention and the
color-coated steel plate coating products obtained in Comparative Examples 1-7 were
selected, and the dry film thickness of the coatings was 20 tm. Impact resistance: the test
was carried out according to the provisions of ISO 6272:2002. Adhesion: the test was
carried out according to the provisions of ISO 2409:1992 (the spacing is 1mm). High
temperature resistance: place the steel plate samples in a muffle furnace and bake them at
a high temperature of 450°C for 2 hours, and then conduct adhesion test.
[00142] Table 1
Impact resistance Adhesion High temperature resistance (kg-cm) 2 (Classification) (lssan) (Classification) Example 1 112 0 0
Example 2 116 0 0
Example 3 119 0 0 Comparative 92 1 1 Example 1 Comparative 108 1 2 Example 2 Comparative 9 1 2
Example 3 Comparative 98 1 3 Example 4
Example 5 Comparative 101 1 3 Example 6
Comparative 115 0 3 Example 7
[00143] It can be seen from the above table that the high-temperature-resistant
color-coated steel plate coating of the invention has the following advantages: the
paintcoat made from the coating has excellent adhesion performance, high temperature
resistance characteristics, and good impact resistance performance. After baking the
coating at a high temperature of 450°C for 2 hours, it is found that the adhesion
performance remains excellent without change, and the temperature resistance can reach
450°C or more. In addition, the paintcoat has good flexibility.
[00144] The above are only the preferred embodiments of the invention. It should
be noted that the above preferred embodiments should not be regarded as limiting the
invention, and the protection scope of the invention should be subject to the scope defined
by the claims. For those of ordinary skill in the art, multiple improvements and
modifications can be made without departing from the spirit and scope of the present
invention, and these improvements and modifications should also be regarded as falling
within the scope of the invention.
Claims (5)
1. A high-temperature-resistant color-coated steel plate coating, comprising component
A and component B, wherein the mass ratio of the component A to the component B is
100:(1.
2-1.7);
the component A comprises the following raw materials in parts by weight:
35-42 parts of polyether epoxy resin,
22-27 parts of phenolic epoxy resin,
15-20 parts of silicone modified epoxy resin,
20-26 parts of phenylmethyl silicone resin,
3.5-5 parts of dimethylsilylene)bis(2-methyl-4-phenylindenyl)zirconium dichloride,
5-7 parts of polysilazane,
5-7 parts of a filler, and
90-150 parts of a solvent;
the component B comprises the following raw materials in parts by weight: 80-85
parts of an epoxy resin hardener, and 15-17 parts of an epoxy resin accelerator.
2. The high-temperature-resistant color-coated steel plate coating according to Claim 1,
wherein the component A further comprises the following raw materials in parts by
weight:
0.8-1.2 parts of a leveling agent,
1.5-3 parts of a dispersant, and
1.4-2.4 parts of a wetting agent.
3. A preparation method of the high-temperature-resistant color-coated steel plate
coating according to Claim 1 or 2, comprising:
weighing the following materials in parts by weight: polyether epoxy resin, phenolic
epoxy resin, silicone modified epoxy resin, phenylmethyl silicone resin,
dimethylsilylene)bis(2-methyl-4-phenylindenyl)zirconiumdichloride,polysilazane,afiller, a solvent, an epoxy resin hardener, and an epoxy resin accelerator; preparing component A: firstly adding polyether epoxy resin, phenolic epoxy resin, silicone modified epoxy resin, phenylmethyl silicone resin, and dimethylsilylene)bis(2-methyl-4-phenylindenyl)zirconiumdichloride into the solvent, and stirring at 600-10OOr/min for 40-60min; then adding polysilazane and the filler, and carrying out shearing dispersion at 1500-2000r/min for 15-25min, thus obtaining the component A; preparing component B: well mixing the epoxy resin hardener and the epoxy resin accelerator to obtain component B; and mixing the component A and the component B according to the mass ratio of
100:(1.2-1.7) for instant use.
4. A color-coated steel plate containing the high-temperature-resistant color-coated
steel plate coating according to Claim 1 or 2, comprising a color-coated steel plate body
and a high-temperature-resistant paintcoat, wherein the high-temperature-resistant
paintcoat is arranged on the surface of the color-coated steel plate body, and the
high-temperature-resistant paintcoat is made of the high-temperature-resistant
color-coated steel plate coating.
5. A preparation method of the color-coated steel plate containing the
high-temperature-resistant color-coated steel plate coating according to Claim 4,
comprising: uniformly coating the high-temperature-resistant color-coated steel plate
coating on the surface of the color-coated steel plate body, and drying, thus obtaining the
color-coated steel plate containing the high-temperature-resistant color-coated steel plate
coating.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| AU2021101638A AU2021101638A4 (en) | 2021-03-30 | 2021-03-30 | High-temperature-resistant color-coated steel plate coating, color-coated steel plate containing same and their preparation methods |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| AU2021101638A AU2021101638A4 (en) | 2021-03-30 | 2021-03-30 | High-temperature-resistant color-coated steel plate coating, color-coated steel plate containing same and their preparation methods |
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| AU2021101638A4 true AU2021101638A4 (en) | 2021-05-27 |
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| AU2021101638A Active AU2021101638A4 (en) | 2021-03-30 | 2021-03-30 | High-temperature-resistant color-coated steel plate coating, color-coated steel plate containing same and their preparation methods |
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