CN114133798A - Temperature-resistant acid-resistant anticorrosive paint for chimney lining - Google Patents
Temperature-resistant acid-resistant anticorrosive paint for chimney lining Download PDFInfo
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- CN114133798A CN114133798A CN202111670017.4A CN202111670017A CN114133798A CN 114133798 A CN114133798 A CN 114133798A CN 202111670017 A CN202111670017 A CN 202111670017A CN 114133798 A CN114133798 A CN 114133798A
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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
- C09D127/00—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 a halogen; Coating compositions based on derivatives of such polymers
- C09D127/02—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 a halogen; Coating compositions based on derivatives of such polymers not modified by chemical after-treatment
- C09D127/12—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 a halogen; Coating compositions based on derivatives of such polymers not modified by chemical after-treatment containing fluorine atoms
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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
- 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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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/60—Additives non-macromolecular
- C09D7/61—Additives non-macromolecular inorganic
-
- C—CHEMISTRY; METALLURGY
- 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
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
- C08K2003/2237—Oxides; Hydroxides of metals of titanium
- C08K2003/2241—Titanium dioxide
Abstract
The invention discloses a temperature-resistant, acid-resistant and anticorrosive paint for a chimney lining. In the invention, the fluororubber is selected as the film-forming coating, the high molecular polymer used as the film-forming substance has excellent elasticity and wear resistance, and the coating is endowed with good wear resistance, and meanwhile, the pigment and the auxiliary agent in the coating formula play a positive role in improving the wear resistance of the coating, so that the prepared coating has better corrosion resistance, the mechanical strength of the coating is increased, and the practicability of the coating is comprehensively improved. The bonding glue on the periphery of the titanium dioxide is mutually wound in the coating matrix to form a three-dimensional network structure, so that the wear resistance of the coating is improved, and the reinforcing effect is also improved.
Description
Technical Field
The invention belongs to the technical field of chimney liners, and particularly relates to a temperature-resistant, acid-resistant and anticorrosive paint for a chimney liner.
Background
A chimney is a structure that provides ventilation for hot flue gases or fumes from a boiler, furnace, stove or fireplace. The chimney is usually vertical, or as close to vertical as possible, to ensure a smooth flow of gases, the intake air entering the so-called chimney combustion or chimney effect. The space within the chimney is called a flue. Chimneys may be found in buildings, steam locomotives and ships.
However, after the common chimney lining is used for a long time, the lining is easy to corrode and break, and the service life of the chimney is influenced.
Disclosure of Invention
The invention aims to: in order to solve the problems, the temperature-resistant acid-resistant anticorrosive paint for the chimney lining is provided.
The technical scheme adopted by the invention is as follows: a temperature-resistant acid-resistant anticorrosive paint for a chimney lining comprises the following components: the main film forming material, curing agent, filler, solvent and auxiliary agent;
the preparation method of the temperature-resistant acid-resistant anticorrosive paint for the chimney lining comprises the following steps:
s1, selecting high molecular polymerization fluororubber as a film forming material, selecting 5-10 parts of the high molecular polymerization fluororubber at the moment, measuring 50-100 parts of n-butyl acetate and 150-300 parts of cyclohexanone as a solvent of the high molecular polymerization fluororubber, wherein the fluororubber has good medium resistance and can resist corrosion and dissolution of a plurality of solvents, so that the selection of the fluororubber coating solvent is that the solubility parameter is about 9.5, and the hydrogen bond grade is medium;
s2, measuring 10-15 parts of cyclohexanone peroxide and 15-20 parts of dibenzoyl peroxide as curing agents, adding 10-15 parts of curing agents and 30-45 parts of curing agents to show the same excellent impermeability, wherein the optimal adding amount of the curing agents is 10-15 parts according to the economic principle; the curing time can be shortened by increasing the temperature, and a good curing effect can be achieved by adopting a mode of prolonging the time at room temperature;
s3, measuring 20-25 parts of titanium dioxide and 2-5 parts of glass flakes as fillers, and grinding the fillers by using a high-energy ball mill to obtain powder, wherein the titanium dioxide has good compatibility with the fluororubber coating solution, and has significant influence on the strength and impermeability of the coating. However, if the content of titanium dioxide is too high, the crosslinking degree of the organic polymer is affected, and the impermeability of the coating is reduced. The optimal addition amount of the titanium dioxide in the fluororubber coating is about 20 to 25 portions by comprehensively considering the strength and the impermeability of the coating.
S4, preparing an auxiliary agent, namely selecting 10 to 15 parts of acrylic resin as a flatting agent and 10 to 15 parts of dimethylaniline as an accelerator; selecting 10-15 parts of cyanuric chloride melamine as a defoaming agent;
s5, taking a mixing and heating reaction kettle, adding 5-10 parts of high-molecular polymerization fluororubber, 50-100 parts of n-butyl acetate and 150-300 parts of cyclohexanone into the mixing and heating reaction kettle, and stirring and mixing the materials;
s6, after the inside of the reaction kettle in the step S5 is static for 5min, adding 10 to 15 parts of acrylic resin, 10 to 15 parts of dimethylaniline, 10 to 15 parts of cyanuric chloride melamine, 20 to 25 parts of titanium dioxide and 2 to 5 parts of glass flakes into the reaction kettle, and then continuously stirring and mixing the materials;
s7, adding 10 to 15 portions of cyclohexanone peroxide and 15 to 20 portions of dibenzoyl peroxide as curing agents into the reaction kettle after the reaction in the step S6, and starting stirring and mixing the materials;
and S8, after stirring and mixing are finished, the obtained mixed paint can be sealed, bottled and stored, so that the whole preparation process is finished.
In a preferred embodiment, in the step S1, the selected fluorine rubber has a solubility parameter of 9.0 to 10.0 and a moderate hydrogen bond level.
In a preferred embodiment, 150 to 300 parts of cyclohexanone may be substituted by 150 to 300 parts of butanone in the step S1.
In a preferred embodiment, the curing agent may be prepared using 40 to 50 parts of diphenyl sulfone and 105 to 110 parts of epoxy resin in step S2.
In a preferred embodiment, in step S4, the acrylic resin may be replaced by one of urea-formaldehyde resin, melamine-formaldehyde resin or polyether polyester modified organic siloxane.
In a preferred embodiment, in step S4, the defoaming agent cyanuric chloride melamine can be replaced by one of dialkyl phosphate, fluorinated alkyl phosphate or polydimethylsiloxane.
In a preferred embodiment, in step S5, the stirring speed inside the mixing and heating reaction kettle is 1200r/min, the stirring temperature is controlled at 80 ℃, and the stirring time is 30 min.
In a preferred embodiment, in step S6, the stirring speed inside the mixing and heating reaction kettle is 1000r/min, the stirring temperature is controlled at 40 ℃, and the stirring time is 120 min.
In a preferred embodiment, in the step S5, 5 to 10 parts of the high molecular weight polymerized fluororubber is ground by using a high energy ball mill before being added into the mixing and heating reaction kettle, wherein the grinding speed is 800 r/min.
In a preferred embodiment, in step S7, the stirring speed inside the mixing and heating reaction kettle is 800r/min, the stirring temperature is controlled at 55 ℃, and the stirring time is 240 min.
In summary, due to the adoption of the technical scheme, the invention has the beneficial effects that:
1. in the fluororubber coating, the high molecular polymer serving as a film forming substance has excellent elasticity and wear resistance, so that the coating has good wear resistance, and the pigment and the auxiliary in the coating formula play a positive role in improving the wear resistance of the coating, so that the prepared coating has better corrosion resistance, the mechanical strength of the coating is improved, and the practicability of the coating is comprehensively improved.
2. In the invention, after the filler titanium dioxide particles are added, strong interaction exists between the titanium dioxide particles and macromolecular polymers, and the macromolecular polymers are tightly adsorbed on the surface of the filler to form a hard shell, so that the mobility of the macromolecular particles is limited. The periphery of the titanium dioxide is a softer and loose adsorption layer, the bonding glue on the periphery of the titanium dioxide is mutually wound in the coating matrix to form a three-dimensional network structure, and the network structure connected by polymer filaments uniformly distributes stress when the coating deforms, so that the wear resistance of the coating is improved, and the reinforcing effect is also improved.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the embodiments of the present invention, and it is obvious that the described embodiments are some embodiments of the present invention, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The first embodiment is as follows:
a temperature-resistant acid-resistant anticorrosive paint for a chimney lining comprises the following components: the main film forming material, curing agent, filler, solvent and auxiliary agent;
the preparation method of the temperature-resistant acid-resistant anticorrosive paint for the chimney lining comprises the following steps:
s1, selecting high molecular polymerization fluororubber as a film forming material, selecting 5 parts of the high molecular polymerization fluororubber at the moment, measuring 50 parts of n-butyl acetate and 150 parts of cyclohexanone as solvents of the high molecular polymerization fluororubber, wherein the fluororubber has good medium resistance and can resist corrosion and dissolution of a plurality of solvents, so that the fluororubber coating solvent is selected to have a solubility parameter of about 9.5 and a medium hydrogen bond grade; in step S1, 150 parts of cyclohexanone may be replaced with 150 parts of butanone;
s2, measuring 10 parts of cyclohexanone peroxide and 15 parts of dibenzoyl peroxide as curing agents, wherein 10 parts and 30 parts of curing agents are added to show the same excellent impermeability, and the optimal amount of the curing agent is 10 parts according to the economic principle; the curing time can be shortened by increasing the temperature, and a good curing effect can be achieved by adopting a mode of prolonging the time at room temperature; in step S2, the curing agent may also be formulated using 40 parts of diphenyl sulfone and 105 epoxy resin;
s3, measuring 20 parts of titanium dioxide and 2 parts of glass flakes as fillers, and grinding the fillers by using a high-energy ball mill to obtain powder, wherein the titanium dioxide has good compatibility with the fluororubber coating solution, and has significant influence on the strength and the impermeability of the coating. However, if the content of titanium dioxide is too high, the crosslinking degree of the organic polymer is affected, and the impermeability of the coating is reduced. The optimal addition amount of the titanium dioxide in the fluororubber coating is about 20 parts by comprehensively considering the strength and the impermeability of the coating.
S4, preparing an auxiliary agent, namely selecting 10 parts of acrylic resin as a flatting agent and 10 parts of dimethylaniline as an accelerator; selecting 10 parts of cyanuric chloride melamine as a defoaming agent, wherein in the step S4, the acrylic resin can be replaced by one of urea-formaldehyde resin, melamine formaldehyde resin or polyether polyester modified organic siloxane; in step S4, the defoaming agent cyanuric chloride melamine can also be replaced by one of dialkyl phosphate, fluorinated alkyl phosphate or polydimethylsiloxane;
s5, taking a mixing and heating reaction kettle, adding 5 parts of high-molecular polymerization fluororubber, 50-parts of n-butyl acetate and 150 parts of cyclohexanone into the mixing and heating reaction kettle, and starting stirring and mixing, wherein in the step S5, the stirring speed in the mixing and heating reaction kettle is 1200r/min, the stirring temperature is controlled at 80 ℃, and the stirring time is 30 min; in step S5, before 5 parts of the high molecular polymer fluororubber is added into the mixing and heating reaction kettle, it needs to be ground by using a high energy ball mill, at this time, the grinding speed is 800 r/min;
s6, after the inside of the reaction kettle in the step S5 is static for 5min, adding 10 parts of acrylic resin, 10 parts of dimethylaniline, 10 parts of cyanuric chloride melamine, 20 parts of titanium dioxide and 2 parts of glass flakes into the reaction kettle, and then continuously stirring and mixing the materials; in step S6, the stirring speed in the mixing and heating reaction kettle is 1000r/min, the stirring temperature is controlled at 40 ℃, and the stirring time is 120 min;
s7, adding 10 parts of cyclohexanone peroxide and 15 parts of dibenzoyl peroxide as curing agents into the reaction kettle after the reaction in the step S6, and starting stirring and mixing the materials; in step S7, the stirring speed in the mixing and heating reaction kettle is 800r/min, the stirring temperature is controlled at 55 ℃, and the stirring time is 240 min;
and S8, after stirring and mixing are finished, the obtained mixed paint can be sealed, bottled and stored, so that the whole preparation process is finished.
In the fluororubber coating, the high molecular polymer used as a film forming substance has excellent elasticity and wear resistance, so that the coating has good wear resistance, and meanwhile, the pigment and the auxiliary agent in the coating formula play a positive role in improving the wear resistance of the coating, so that the prepared coating has better corrosion resistance, the mechanical strength of the coating is also improved, and the practicability of the coating is comprehensively improved.
After the filler titanium dioxide particles are added, strong interaction exists between the titanium dioxide particles and macromolecular polymers, and the macromolecular polymers are tightly adsorbed on the surface of the filler to form a hard shell, so that the mobility of the macromolecular particles is limited. The periphery of the titanium dioxide is a softer and loose adsorption layer, the bonding glue on the periphery of the titanium dioxide is mutually wound in the coating matrix to form a three-dimensional network structure, and the network structure connected by polymer filaments uniformly distributes stress when the coating deforms, so that the wear resistance of the coating is improved, and the reinforcing effect is also improved.
Example two:
a temperature-resistant acid-resistant anticorrosive paint for a chimney lining comprises the following components: the main film forming material, curing agent, filler, solvent and auxiliary agent;
the preparation method of the temperature-resistant acid-resistant anticorrosive paint for the chimney lining comprises the following steps:
s1, selecting high molecular polymerization fluororubber as a film forming material, selecting 10 parts of the high molecular polymerization fluororubber at the moment, measuring 100 parts of n-butyl acetate and 300 parts of cyclohexanone as solvents of the high molecular polymerization fluororubber, wherein the fluororubber has good medium resistance and can resist corrosion and dissolution of a plurality of solvents, so that the fluororubber coating solvent is selected to have a solubility parameter of about 9.5 and a medium hydrogen bond grade; in step S1, 150 parts of cyclohexanone may be replaced with 150 parts of butanone;
s2, measuring 10 parts of cyclohexanone peroxide and 15 parts of dibenzoyl peroxide as curing agents, wherein 15 parts and 30 parts of curing agents are added to show the same excellent impermeability, and the optimal addition amount of the curing agent is 15 parts according to the economic principle; the curing time can be shortened by increasing the temperature, and a good curing effect can be achieved by adopting a mode of prolonging the time at room temperature; in step S2, the curing agent may also be formulated using 40 parts of diphenyl sulfone and 105 epoxy resin;
s3, measuring 20 parts of titanium dioxide and 2 parts of glass flakes as fillers, and grinding the fillers by using a high-energy ball mill to obtain powder, wherein the titanium dioxide has good compatibility with the fluororubber coating solution, and has significant influence on the strength and the impermeability of the coating. However, if the content of titanium dioxide is too high, the crosslinking degree of the organic polymer is affected, and the impermeability of the coating is reduced. The optimal addition amount of the titanium dioxide in the fluororubber coating is about 20 parts by comprehensively considering the strength and the impermeability of the coating.
S4, preparing an auxiliary agent, namely selecting 15 parts of acrylic resin as a flatting agent and 15 parts of dimethylaniline as an accelerator; selecting 15 parts of cyanuric chloride melamine as a defoaming agent, wherein in the step S4, the acrylic resin can be replaced by one of urea-formaldehyde resin, melamine formaldehyde resin or polyether polyester modified organic siloxane; in step S4, the defoaming agent cyanuric chloride melamine can also be replaced by one of dialkyl phosphate, fluorinated alkyl phosphate or polydimethylsiloxane;
s5, taking a mixing and heating reaction kettle, adding 10 parts of high-molecular polymerization fluororubber, 100 parts of n-butyl acetate and 300 parts of cyclohexanone into the mixing and heating reaction kettle, and starting stirring and mixing, wherein in the step S5, the stirring speed in the mixing and heating reaction kettle is 1200r/min, the stirring temperature is controlled at 80 ℃, and the stirring time is 30 min; in step S5, before 5 parts of the high molecular polymer fluororubber is added into the mixing and heating reaction kettle, it needs to be ground by using a high energy ball mill, at this time, the grinding speed is 800 r/min;
s6, after the inside of the reaction kettle in the step S5 is static for 5min, adding 15 parts of acrylic resin, 15 parts of dimethylaniline, 15 parts of cyanuric chloride melamine, 20 parts of titanium dioxide and 2 parts of glass flakes into the reaction kettle, and then continuously stirring and mixing the materials; in step S6, the stirring speed in the mixing and heating reaction kettle is 1000r/min, the stirring temperature is controlled at 40 ℃, and the stirring time is 120 min;
s7, adding 15 parts of cyclohexanone peroxide and 15 parts of dibenzoyl peroxide as curing agents into the reaction kettle after the reaction in the step S6, and starting stirring and mixing the materials; in step S7, the stirring speed in the mixing and heating reaction kettle is 800r/min, the stirring temperature is controlled at 55 ℃, and the stirring time is 240 min;
and S8, after stirring and mixing are finished, the obtained mixed paint can be sealed, bottled and stored, so that the whole preparation process is finished.
In the fluororubber coating, the high molecular polymer used as a film forming substance has excellent elasticity and wear resistance, so that the coating has good wear resistance, and meanwhile, the pigment and the auxiliary agent in the coating formula play a positive role in improving the wear resistance of the coating, so that the prepared coating has better corrosion resistance, the mechanical strength of the coating is also improved, and the practicability of the coating is comprehensively improved.
After the filler titanium dioxide particles are added, strong interaction exists between the titanium dioxide particles and macromolecular polymers, and the macromolecular polymers are tightly adsorbed on the surface of the filler to form a hard shell, so that the mobility of the macromolecular particles is limited. The periphery of the titanium dioxide is a softer and loose adsorption layer, the bonding glue on the periphery of the titanium dioxide is mutually wound in the coating matrix to form a three-dimensional network structure, and the network structure connected by polymer filaments uniformly distributes stress when the coating deforms, so that the wear resistance of the coating is improved, and the reinforcing effect is also improved.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
The above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (10)
1. A temperature-resistant acid-resistant anticorrosive paint for a chimney lining is characterized in that: the temperature-resistant, acid-resistant and anticorrosive paint for the chimney lining comprises: the main film forming material, curing agent, filler, solvent and auxiliary agent;
the preparation method of the temperature-resistant acid-resistant anticorrosive paint for the chimney lining comprises the following steps:
s1, selecting high molecular polymer fluororubber as a film forming material, selecting 5-10 parts of the high molecular polymer fluororubber at the moment, and measuring 50-100 parts of n-butyl acetate and 150-300 parts of cyclohexanone as solvents of the high molecular polymer fluororubber;
s2, measuring 10 to 15 portions of cyclohexanone peroxide and 15 to 20 portions of dibenzoyl peroxide as curing agents;
s3, weighing 20-25 parts of titanium dioxide and 2-5 parts of glass flakes as fillers, and grinding the fillers by using a high-energy ball mill to obtain powder;
s4, preparing an auxiliary agent, namely selecting 10 to 15 parts of acrylic resin as a flatting agent and 10 to 15 parts of dimethylaniline as an accelerator; selecting 10-15 parts of cyanuric chloride melamine as a defoaming agent;
s5, taking a mixing and heating reaction kettle, adding 5-10 parts of high-molecular polymerization fluororubber, 50-100 parts of n-butyl acetate and 150-300 parts of cyclohexanone into the mixing and heating reaction kettle, and stirring and mixing the materials;
s6, after the inside of the reaction kettle in the step S5 is static for 5min, adding 10 to 15 parts of acrylic resin, 10 to 15 parts of dimethylaniline, 10 to 15 parts of cyanuric chloride melamine, 20 to 25 parts of titanium dioxide and 2 to 5 parts of glass flakes into the reaction kettle, and then continuously stirring and mixing the materials;
s7, adding 10 to 15 portions of cyclohexanone peroxide and 15 to 20 portions of dibenzoyl peroxide as curing agents into the reaction kettle after the reaction in the step S6, and starting stirring and mixing the materials;
and S8, after stirring and mixing are finished, the obtained mixed paint can be sealed, bottled and stored, so that the whole preparation process is finished.
2. The temperature-resistant, acid-resistant and corrosion-resistant paint for the chimney liner according to claim 1, wherein: in the step S1, the solubility parameter of the selected fluororubber is 9.0-10.0, and the hydrogen bond grade is medium.
3. The temperature-resistant, acid-resistant and corrosion-resistant paint for the chimney liner according to claim 1, wherein: in the step S1, 150 to 300 parts of cyclohexanone may be replaced with 150 to 300 parts of methyl ethyl ketone.
4. The temperature-resistant, acid-resistant and corrosion-resistant paint for the chimney liner according to claim 1, wherein: in the step S2, the curing agent may be prepared using 40 to 50 parts of diphenyl sulfone and 105 to 110 parts of epoxy resin.
5. The temperature-resistant, acid-resistant and corrosion-resistant paint for the chimney liner according to claim 1, wherein: in step S4, the acrylic resin may be replaced by one of urea-formaldehyde resin, melamine-formaldehyde resin, or polyether polyester modified organic siloxane.
6. The temperature-resistant, acid-resistant and corrosion-resistant paint for the chimney liner according to claim 1, wherein: in step S4, the defoaming agent cyanuric chloride melamine can also be replaced by one of dialkyl phosphate, fluorinated alkyl phosphate or polydimethylsiloxane.
7. The temperature-resistant, acid-resistant and corrosion-resistant paint for the chimney liner according to claim 1, wherein: in the step S5, the stirring speed in the mixing and heating reaction kettle is 1200r/min, the stirring temperature is controlled at 80 ℃, and the stirring time is 30 min.
8. The temperature-resistant, acid-resistant and corrosion-resistant paint for the chimney liner according to claim 1, wherein: in the step S6, the stirring speed in the mixing and heating reaction kettle is 1000r/min, the stirring temperature is controlled at 40 ℃, and the stirring time is 120 min.
9. The temperature-resistant, acid-resistant and corrosion-resistant paint for the chimney liner according to claim 1, wherein: in the step S5, 5 to 10 parts of the high molecular weight polymerized fluororubber need to be ground by using a high energy ball mill before being added into the mixing and heating reaction kettle, and the grinding speed at this time is 800 r/min.
10. The temperature-resistant, acid-resistant and corrosion-resistant paint for the chimney liner according to claim 1, wherein: in the step S7, the stirring speed in the mixing and heating reaction kettle is 800r/min, the stirring temperature is controlled at 55 ℃, and the stirring time is 240 min.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202111670017.4A CN114133798A (en) | 2021-12-31 | 2021-12-31 | Temperature-resistant acid-resistant anticorrosive paint for chimney lining |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202111670017.4A CN114133798A (en) | 2021-12-31 | 2021-12-31 | Temperature-resistant acid-resistant anticorrosive paint for chimney lining |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1643005A (en) * | 2002-03-14 | 2005-07-20 | 大金工业株式会社 | Fluorocopolymer, process for producing fluorocopolymer, curable fluorocopolymer composition, and cured object |
| CN101659817A (en) * | 2009-10-12 | 2010-03-03 | 胡小林 | Fluoroelastomer coating with high fluorine content and low-temperature solidification |
| CN101891993A (en) * | 2010-07-06 | 2010-11-24 | 重庆大众防腐有限公司 | Fluoropolymer organic lining anticorrosive material for chimney, flue and other pipelines and containers and construction method thereof |
| CN111849302A (en) * | 2020-06-09 | 2020-10-30 | 北京猎鹰科技有限公司 | Radiation-proof and heat-insulating coating |
-
2021
- 2021-12-31 CN CN202111670017.4A patent/CN114133798A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1643005A (en) * | 2002-03-14 | 2005-07-20 | 大金工业株式会社 | Fluorocopolymer, process for producing fluorocopolymer, curable fluorocopolymer composition, and cured object |
| CN101659817A (en) * | 2009-10-12 | 2010-03-03 | 胡小林 | Fluoroelastomer coating with high fluorine content and low-temperature solidification |
| CN101891993A (en) * | 2010-07-06 | 2010-11-24 | 重庆大众防腐有限公司 | Fluoropolymer organic lining anticorrosive material for chimney, flue and other pipelines and containers and construction method thereof |
| CN111849302A (en) * | 2020-06-09 | 2020-10-30 | 北京猎鹰科技有限公司 | Radiation-proof and heat-insulating coating |
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