CN110628279A - Termite-proof coating for wires and cables and preparation method thereof - Google Patents
Termite-proof coating for wires and cables and preparation method thereof Download PDFInfo
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- CN110628279A CN110628279A CN201910804421.2A CN201910804421A CN110628279A CN 110628279 A CN110628279 A CN 110628279A CN 201910804421 A CN201910804421 A CN 201910804421A CN 110628279 A CN110628279 A CN 110628279A
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- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D143/00—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 containing boron, silicon, phosphorus, selenium, tellurium, or a metal; Coating compositions based on derivatives of such polymers
- C09D143/04—Homopolymers or copolymers of monomers containing silicon
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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
- C09D5/14—Paints containing biocides, e.g. fungicides, insecticides or pesticides
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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
- C09D7/43—Thickening agents
- C09D7/44—Combinations of two or more thickening agents
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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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- 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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- 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
- C08K3/24—Acids; Salts thereof
- C08K3/26—Carbonates; Bicarbonates
- C08K2003/265—Calcium, strontium or barium carbonate
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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
- C08L2203/00—Applications
- C08L2203/20—Applications use in electrical or conductive gadgets
- C08L2203/202—Applications use in electrical or conductive gadgets use in electrical wires or wirecoating
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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
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Abstract
The invention relates to a termite-proof coating for wires and cables and a preparation method thereof, belonging to the field of coatings, wherein the formula comprises the following components in parts by weight: 700 parts of 500-material aqueous synthetic resin emulsion, 5-15 parts of termite control agent, 10-15 parts of antifreezing agent, 1-3 parts of wetting agent, 4-6 parts of dispersing agent, 1-3 parts of pH regulator, 60-120 parts of diatomite, 50-100 parts of heavy calcium powder, 50-100 parts of talcum powder, 2-4 parts of defoaming agent, 4-6 parts of thickening agent, 2-3 parts of bactericide, 20-35 parts of film forming auxiliary agent, 0-10 parts of pigment and 50-150 parts of water. The invention can effectively prevent and control termites, has various coating modes, protects the electric wire and the electric cable and prolongs the service life of the electric wire and the electric cable.
Description
Technical Field
The invention belongs to the field of coatings, and particularly relates to a termite-proof coating for wires and cables and a preparation method thereof.
Background
The destruction of buried power cables and underground communication lines by termites is a worldwide problem. The faults caused by termite damage in southern areas of China account for about 60-70% of the total number of cable faults. After long-term research, products containing termite control agents appear in the market, wherein the effects of controlling, killing and reducing termite corrosion of common termite control products such as insulating materials, sheath materials and the like are gradually reduced and the common termite control products cannot be repaired due to the fact that the service life of the products is continuously increased.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provides a termite-proof coating for wires and cables, a preparation method thereof and a preparation method thereof.
The technical scheme provided by the invention is as follows: the termite-proof coating for the wires and the cables comprises the following components in parts by weight: 700 parts of 500-material aqueous synthetic resin emulsion, 5-15 parts of termite control agent, 10-15 parts of antifreezing agent, 1-3 parts of wetting agent, 4-6 parts of dispersing agent, 1-3 parts of pH regulator, 60-120 parts of diatomite, 50-100 parts of heavy calcium powder, 50-100 parts of talcum powder, 2-4 parts of defoaming agent, 5-10 parts of thickening agent, 2-3 parts of bactericide, 20-35 parts of film forming auxiliary agent, 0-10 parts of pigment and 50-150 parts of water.
Preferably, the formulation comprises the following components in parts by weight: 650 parts of 500-doped aqueous synthetic resin emulsion, 5-15 parts of termite control agent, 10-15 parts of antifreezing agent, 1-3 parts of wetting agent, 4-6 parts of dispersing agent, 1-3 parts of pH regulator, 60-110 parts of diatomite, 60-100 parts of heavy calcium powder, 60-100 parts of talcum powder, 2-4 parts of defoaming agent, 5-10 parts of thickening agent, 2-3 parts of bactericide, 20-35 parts of film forming auxiliary agent, 2-8 parts of pigment and 60-150 parts of water.
Preferably, the formulation comprises the following components in parts by weight: 550 parts of aqueous synthetic resin emulsion, 10 parts of termite control agent, 10 parts of antifreezing agent, 3 parts of wetting agent, 5 parts of dispersing agent, 3 parts of pH regulator, 75 parts of diatomite, 100 parts of heavy calcium powder, 100 parts of talcum powder, 3 parts of defoaming agent, 10 parts of thickening agent, 3 parts of bactericide, 35 parts of film-forming assistant, 5 parts of pigment and 100 parts of water.
Preferably, the termite control agent comprises one or more of an inorganic termite control agent, an organochlorine termite control agent, an organophosphorus termite control agent, and a pyrethroid termite control agent.
Preferably, the termite control agent is a mixture of an inorganic termite control agent and a pyrethroid termite control agent, and the mass ratio of the inorganic termite control agent to the pyrethroid termite control agent in the termite control agent is 2: 1.
Preferably, the inorganic termite control agent is arsenic trioxide; the pyrethroid termite control agent comprises permethrin and bifenthrin; wherein the mass ratio of the permethrin to the bifenthrin in the pyrethroid termite control agent is 1: (0-2).
Preferably, the mass ratio of the permethrin to the bifenthrin in the pyrethroid termite control agent is 1: 1.
preferably, the aqueous synthetic resin emulsion is an organosilicon modified acrylic emulsion, the viscosity of the aqueous synthetic resin emulsion is 1500-4500 mpa · s, the glass transition temperature of the aqueous synthetic resin emulsion is 15-45 ℃, and the solid content of the aqueous synthetic resin emulsion is 35-60 wt%.
Preferably, the thickener is hydroxyethyl cellulose thickener, alkali swelling thickener and polyurethane thickener according to the mass ratio of 1: (1-2): (1-2) compounding to obtain the thickening agent.
Further, the invention also provides a preparation method of the termite-proof coating for the electric wires and cables, which comprises the following steps:
s1, adding the deionized water into a reaction kettle according to the formula amount, setting the rotating speed to 400-600RPM, adding 3 parts of the thickening agent, 1-3 parts of the pH regulator, 2-4 parts of the defoaming agent, 1-3 parts of the wetting agent, 4-6 parts of the dispersing agent, 10-15 parts of the antifreezing agent, 20-35 parts of the film forming additive and 2-3 parts of the bactericide according to the formula amount, and stirring for 2-3min to be uniformly mixed;
s2, adding 60-120 parts of diatomite, 50-100 parts of heavy calcium powder and 50-100 parts of talcum powder into the mixture obtained in the step S1 according to the formula amount in turn, and stirring for 30min at the rotating speed of 1200-1500RPM until the mixture is uniformly stirred;
s3, reducing the rotating speed to 400-600RPM, adding 700 parts of the aqueous synthetic resin emulsion, 5-15 parts of a termite control agent, 0-10 parts of a pigment and 0-5 parts of a thickening agent, and stirring for 5-10min until the mixture is uniformly stirred;
and S4, adding 0-2 parts of thickening agent into the mixed solution obtained in the step S3 according to the formula amount, and adjusting the viscosity of the mixed solution to 90-100KU of stormer viscosity at the ambient temperature of 25 ℃ to obtain the termite-proof coating for the wires and cables.
Compared with the prior art, the invention has the following beneficial effects:
1. the termite-proof coating for the electric wire and the cable has good effect of preventing and controlling the termites and excellent stability, can be coated and coated additionally for many times as the coating, and greatly prolongs the prevention and control time.
2. The termite-proof coating for the electric wire and the electric cable is used as a coating, can be matched with an aged sheath and other structures with a termite-proof function, and enhances the termite-proof effect of fading by spraying or brushing on the surface of the electric wire and the electric cable or spraying on cable trenches, cable wells and other parts; on the other hand, the outer layer sheath which needs to prevent and control the termites can be coated with the paint in a dip mode to obtain the effect of preventing and controlling the termites.
3. The termite-proof coating for the electric wire and the cable is characterized in that a thickening agent is selected from hydroxyethyl cellulose thickening agent, alkali swelling thickening agent and polyurethane thickening agent and is compounded according to a certain amount, and cellulose is added during pulping to increase the viscosity of the pre-pulp so as to facilitate pulping and rapidly ensure that the fineness is qualified; the alkali swelling thickener and the polyurethane thickener are added in the paint mixing stage. The thickening agent is compounded to ensure that the viscosity of the system is more stable, thereby being beneficial to the storage and construction of products.
Detailed Description
The following detailed description of specific embodiments of the present invention is provided in conjunction with examples, but it should be understood that the scope of the present invention is not limited to the specific embodiments.
In the present invention, the units indicating the content of the raw materials are in parts by weight and in kilograms unless otherwise specified. In addition, the determination methods of the technical indexes of the invention are all standard methods used in the field, and specific reference can be made to the latest national standard unless otherwise stated. In addition, other raw materials used in the present invention are those generally used in the art.
Specifically, the aqueous synthetic resin emulsion in the invention is silicone-acrylate emulsion RS-8666 produced by Badhu. The arsenic trioxide is produced by the Shanghai city Mao chemical Co. The permethrin and bifenthrin are permethrin and bifenthrin produced by Jiangsu fly sea Biotech limited. The antifreezing agent is ethylene glycol which is a commonly used antifreezing agent in the coating industry. The wetting agent is a non-ionic wetting agent LCN407 produced by the Corlaine company. The dispersant is dispersant 963 manufactured by Rohm and Haas company. The pH regulator is AMP-95 which is commonly used in industry. The diatomite is American EaglePicher diatomite MW-25. The heavy calcium powder is 800-mesh heavy calcium produced by Henan Zhongli fine chemical industry Co. The talcum powder is 800-mesh talcum powder produced by Guangzhou Chong brightening engineering technology Limited. The defoaming agent is a defoaming agent ST-2424 produced by BASF corporation. The thickener is HS 30000YP2 cellulose thickener, the thickener in the preparation step S3 is TT-935 alkali swelling thickener, the thickener in the preparation step S4 is 2025 polyurethane thickener, and the mass ratio of the thickener to the thickener is 1: (1-2): (1-2). The film-forming aid is Texanol. The pigment is phthalocyanine blue pigment DBL1 produced by Xibisi company. The bactericide is a preservative 1020 produced by seakemais biotechnology (shanghai) ltd. The present invention is further illustrated by the following preferred examples of the invention, which are intended to be illustrative only and are not intended to be limiting.
Example 1
The termite-proof coating for the wires and the cables comprises the following components in parts by weight: (550) the coating comprises, by weight, aqueous synthetic resin emulsion, (6 parts) arsenic trioxide, (2 parts) permethrin, (2) bifenthrin, (10) antifreeze, (3) wetting agent, (5) dispersing agent, (3) pH regulator, (75) diatomite, (100) heavy calcium powder, (100) talcum powder, (3) antifoaming agent, (10) thickening agent, (3) bactericide, (35) film-forming aid, (5) pigment, and (100) water.
The preparation method comprises the following steps:
s1, adding the deionized water into a reaction kettle according to the formula amount, setting the rotating speed to 400RPM, adding the thickening agent, the pH regulator, the defoaming agent, the wetting agent, the dispersing agent, the antifreezing agent, the film forming auxiliary agent and the bactericide according to the formula amount, and stirring for 2min to uniformly mix;
s2, sequentially adding the diatomite, the coarse whiting powder and the talcum powder into the mixture obtained in the step S1 according to the formula amount, and stirring for 30min at the rotating speed of 1200RPM until the mixture is uniformly stirred;
s3, reducing the rotating speed to 400RPM, adding the aqueous synthetic resin emulsion, the termite control agent, the pigment and the thickening agent, and stirring for 5-10min until the mixture is uniformly stirred;
and S4, adding 2 parts of the thickening agent into the mixed solution obtained in the step S3 according to the formula amount, and adjusting the viscosity of the mixed solution to 90-100KU of stormer viscosity at the ambient temperature of 25 ℃ to obtain the termite-proof coating for the wires and cables.
Example 2
The termite-proof coating for the wires and the cables comprises the following components in parts by weight: (570) the coating comprises, by weight, water-based synthetic resin emulsion, (6 parts) arsenic trioxide, (2 parts) permethrin, (2) bifenthrin, (10) antifreeze, (3) wetting agent, (5) dispersing agent, (3) pH regulator, (75) diatomite, (100) heavy calcium powder, (100) talcum powder, (3) antifoaming agent, (10) thickening agent, (3) bactericide, (36) film-forming aid, (5) pigment, and (80) water.
The preparation method comprises the following steps:
s1, adding the deionized water into a reaction kettle according to the formula amount, setting the rotating speed to 400RPM, adding the thickening agent, the pH regulator, the defoaming agent, the wetting agent, the dispersing agent, the antifreezing agent, the film forming auxiliary agent and the bactericide according to the formula amount, and stirring for 2min to uniformly mix;
s2, sequentially adding the diatomite, the coarse whiting powder and the talcum powder into the mixture obtained in the step S1 according to the formula amount, and stirring for 30min at the rotating speed of 1200RPM until the mixture is uniformly stirred;
s3, reducing the rotating speed to 400RPM, adding the aqueous synthetic resin emulsion, the termite control agent, the pigment and the thickening agent, and stirring for 5-10min until the mixture is uniformly stirred;
and S4, adding 2 parts of the thickening agent into the mixed solution obtained in the step S3 according to the formula amount, and adjusting the viscosity of the mixed solution to 90-100KU of stormer viscosity at the ambient temperature of 25 ℃ to obtain the termite-proof coating for the wires and cables.
Example 3
The termite-proof coating for the wires and the cables comprises the following components in parts by weight: (590) the coating comprises, by weight, aqueous synthetic resin emulsion, (6 parts) arsenic trioxide, (2 parts) permethrin, (2) bifenthrin, (10) antifreeze, (3) wetting agent, (5) dispersing agent, (3) pH regulator, (75) diatomite, (100) heavy calcium powder, (100) talcum powder, (3) antifoaming agent, (10) thickening agent, (3) bactericide, (39) film-forming aid, (5) pigment, and (60) water.
The preparation method comprises the following steps:
s1, adding the deionized water into a reaction kettle according to the formula amount, setting the rotating speed to 400RPM, adding the thickening agent, the pH regulator, the defoaming agent, the wetting agent, the dispersing agent, the antifreezing agent, the film forming auxiliary agent and the bactericide according to the formula amount, and stirring for 2min to uniformly mix;
s2, sequentially adding the diatomite, the coarse whiting powder and the talcum powder into the mixture obtained in the step S1 according to the formula amount, and stirring for 30min at the rotating speed of 1200RPM until the mixture is uniformly stirred;
s3, reducing the rotating speed to 400RPM, adding the aqueous synthetic resin emulsion, the termite control agent, the pigment and the thickening agent, and stirring for 5-10min until the mixture is uniformly stirred;
and S4, adding 2 parts of the thickening agent into the mixed solution obtained in the step S3 according to the formula amount, and adjusting the viscosity of the mixed solution to 90-100KU of stormer viscosity at the ambient temperature of 25 ℃ to obtain the termite-proof coating for the wires and cables.
Comparative example 1
The procedure of example 1 was repeated except that the amount of the inorganic termite-controlling agent in the termite-controlling agent of example 1 was changed to the same amount of water.
Comparative example 2
The procedure of example 1 was repeated except that the pyrethroid type termite control agent in the termite control agent of example 1 was changed to the same amount of water.
Comparative example 3
The procedure of example 1 was repeated except that the amount of the termite-controlling agent used in example 1 was changed to the same amount of water.
Experiment of
Selecting 5 sections of cables with the same length, specification and model, respectively spraying the same amount of the cables of the embodiments 1-3, the comparative examples and water, naturally drying the cables for 7 days, placing the cables in an open place where termites often disappear, observing the bite condition of the 5 sections of cables by the termites after 15 days, and recording the bite condition.
The performance of the coating prepared in the above examples was tested, and the measured technical indexes are shown in table 1. The detection method is carried out according to the method described in the relevant national coating standard GB/T9755.
TABLE 1
As can be seen from Table 1, the formulations of examples 1 to 3 are reasonable in design, and the indexes are qualified without exception during construction. Especially, when the inorganic termite control agent and the pyrethroid termite control agent are used in combination, the effect of controlling the termites is the best. The termite-proof coating for the electric wire and the electric cable has an excellent function of preventing and controlling termites and can meet the use requirement.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the foregoing description only for the purpose of illustrating the principles of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the invention as defined by the appended claims, specification, and equivalents thereof.
Claims (10)
1. The termite-proof coating for the wires and the cables is characterized by comprising the following components in parts by weight: 700 parts of 500-material aqueous synthetic resin emulsion, 5-15 parts of termite control agent, 10-15 parts of antifreezing agent, 1-3 parts of wetting agent, 4-6 parts of dispersing agent, 1-3 parts of pH regulator, 60-120 parts of diatomite, 50-100 parts of heavy calcium powder, 50-100 parts of talcum powder, 2-4 parts of defoaming agent, 5-10 parts of thickening agent, 2-3 parts of bactericide, 20-35 parts of film forming auxiliary agent, 0-10 parts of pigment and 50-150 parts of water.
2. The termite resistant coating for wire and cable as claimed in claim 1, wherein the formulation comprises the following components in parts by weight: 650 parts of 500-doped aqueous synthetic resin emulsion, 5-15 parts of termite control agent, 10-15 parts of antifreezing agent, 1-3 parts of wetting agent, 4-6 parts of dispersing agent, 1-3 parts of pH regulator, 60-110 parts of diatomite, 60-100 parts of heavy calcium powder, 60-100 parts of talcum powder, 2-4 parts of defoaming agent, 5-10 parts of thickening agent, 2-3 parts of bactericide, 20-35 parts of film forming auxiliary agent, 2-8 parts of pigment and 60-150 parts of water.
3. The termite resistant coating for wire and cable as claimed in claim 1, wherein the formulation comprises the following components in parts by weight: 550 parts of aqueous synthetic resin emulsion, 10 parts of termite control agent, 10 parts of antifreezing agent, 3 parts of wetting agent, 5 parts of dispersing agent, 3 parts of pH regulator, 75 parts of diatomite, 100 parts of heavy calcium powder, 100 parts of talcum powder, 3 parts of defoaming agent, 10 parts of thickening agent, 3 parts of bactericide, 35 parts of film-forming assistant, 5 parts of pigment and 100 parts of water.
4. The termite resistant coating material for electric wire and cable as claimed in any one of claims 1 to 3, wherein the termite controlling agent comprises one or more of inorganic termite controlling agent, organochlorine type termite controlling agent, organophosphate type termite controlling agent, and pyrethroid type termite controlling agent.
5. The termite resistant coating material for electric wires and cables as claimed in claim 4, wherein the termite controlling agent is a mixture of an inorganic termite controlling agent and a pyrethroid termite controlling agent, and the mass ratio of the inorganic termite controlling agent to the pyrethroid termite controlling agent in the termite controlling agent is 2: 1.
6. The termite resistant coating material for electric wire and cable as claimed in claim 5, wherein the inorganic termite controlling agent is arsenic trioxide; the pyrethroid termite control agent comprises permethrin and bifenthrin; wherein the mass ratio of the permethrin to the bifenthrin in the pyrethroid termite control agent is 1: (0-2).
7. The termite resistant coating material for electric wires and cables as claimed in claim 6, wherein the mass ratio of the permethrin to the bifenthrin in the pyrethroid type termite control agent is 1: 1.
8. the termite resistant coating for wire and cable according to any one of claims 1 to 7 wherein the aqueous synthetic resin emulsion is an organosilicon modified acrylic emulsion having a viscosity of 1500 to 4500 mpa-s, a glass transition temperature of 15 to 45 ℃ and a solid content of 35 to 60 wt%.
9. The termite resistant coating material for electric wires and cables as claimed in any one of claims 1 to 8, wherein the thickener is hydroxyethyl cellulose thickener, alkali swelling thickener and polyurethane thickener in a mass ratio of 1: (1-2): (1-2) compounding to obtain the thickening agent.
10. A method for preparing a termite resistant coating for electric wire and cable as claimed in any one of claims 1 to 9, comprising the steps of:
s1, adding the deionized water into a reaction kettle according to the formula amount, setting the rotating speed to 400-600RPM, adding 3 parts of the thickening agent, 1-3 parts of the pH regulator, 2-4 parts of the defoaming agent, 1-3 parts of the wetting agent, 4-6 parts of the dispersing agent, 10-15 parts of the antifreezing agent, 20-35 parts of the film forming additive and 2-3 parts of the bactericide according to the formula amount, and stirring for 2-3min to be uniformly mixed;
s2, adding 60-120 parts of diatomite, 50-100 parts of heavy calcium powder and 50-100 parts of talcum powder into the mixture obtained in the step S1 according to the formula amount in turn, and stirring for 30min at the rotating speed of 1200-1500RPM until the mixture is uniformly stirred;
s3, reducing the rotating speed to 400-600RPM, adding 700 parts of the aqueous synthetic resin emulsion, 5-15 parts of a termite control agent, 0-10 parts of a pigment and 0-5 parts of a thickening agent, and stirring for 5-10min until the mixture is uniformly stirred;
and S4, adding 0-2 parts of thickening agent into the mixed solution obtained in the step S3 according to the formula amount, and adjusting the viscosity of the mixed solution to 90-100KU of stormer viscosity at the ambient temperature of 25 ℃ to obtain the termite-proof coating for the wires and cables.
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| CN201910804421.2A CN110628279A (en) | 2019-08-28 | 2019-08-28 | Termite-proof coating for wires and cables and preparation method thereof |
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| CN201910804421.2A CN110628279A (en) | 2019-08-28 | 2019-08-28 | Termite-proof coating for wires and cables and preparation method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113248992A (en) * | 2021-06-09 | 2021-08-13 | 广东盛世宝建筑新技术有限公司 | Building coating with insect prevention and sound insulation functions and preparation method thereof |
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2019
- 2019-08-28 CN CN201910804421.2A patent/CN110628279A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113248992A (en) * | 2021-06-09 | 2021-08-13 | 广东盛世宝建筑新技术有限公司 | Building coating with insect prevention and sound insulation functions and preparation method thereof |
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Application publication date: 20191231 |