CN112679652B - Waterproof and oil-dirt-proof resin, paint and preparation method thereof - Google Patents
Waterproof and oil-dirt-proof resin, paint and preparation method thereof Download PDFInfo
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Abstract
The invention discloses a waterproof and oil stain-proof resin, a paint and a preparation method, wherein the waterproof and oil stain-proof resin is synthesized by the following substances: 100-500 parts by weight of deionized water; 5-50 parts by weight of an alcohol solvent; 0.1-10 parts by weight of an emulsifier; 5-50 parts by weight of a first monomer; 0.05-5 parts by weight of a first initiator; 5-50 parts by weight of a second monomer; 60-150 parts by weight of a third monomer; 0.05 to 5 parts by weight of a second initiator and 0.01 to 5 parts by weight of a pH regulator. The resin can be used for preparing waterproof and oil-proof paint.
Description
Technical Field
The invention relates to the field of high polymer materials, in particular to waterproof and oil-dirt-proof resin, paint and a preparation method thereof.
Background
At present, the requirements on waterproof and oil stain-proof performances of electronic communication products, such as mobile phones and computers, are increasing, so that the electronic products are generally expected to have waterproof and oil stain-proof performances by themselves, such as mobile phone shells, mobile phone back plates, mobile phones and computer screens which are frequently contacted and adhesive films on the screens.
At present, various coatings are provided aiming at the waterproof and oil-proof requirements, but the various coatings contain a large amount of organic solvent components, belong to inflammable and explosive products, and can generate toxic gas in the production, transportation and use processes of the products, so that the products are not beneficial to health. In addition, the electronic communication product can generate heat after long-time use, and the generated heat can be timely diffused to the outside by using the heat-conducting coating, so that the temperature of the product is reduced, and the service life of the product is prolonged.
However, at present, there is no coating with waterproof, oil-proof and heat-conducting properties.
Disclosure of Invention
In view of the above, the present invention provides a water-and oil-repellent resin, a paint and a preparation method thereof, which can solve the above technical problems. Specifically, the method comprises the following technical scheme:
in one aspect, the embodiment of the invention provides a waterproof and oil-proof resin, and substances required for synthesizing the resin comprise:
100-500 parts by weight of deionized water, 5-50 parts by weight of an alcohol solvent, 0.1-10 parts by weight of an emulsifier, 5-50 parts by weight of a first monomer, 0.05-5 parts by weight of a first initiator, 5-50 parts by weight of a second monomer, 60-150 parts by weight of a third monomer, 0.05-5 parts by weight of a second initiator and 0.01-5 parts by weight of a PH value regulator;
wherein, the liquid crystal display device comprises a liquid crystal display device,
the first monomer is at least one selected from methyl methacrylate, n-butyl methacrylate, isobornyl methacrylate, ethyl methacrylate, isooctyl methacrylate and butyl acrylate;
the second monomer is at least one selected from styrene, vinyl acetate and acrylamide;
the third monomer is selected from fluorine-containing acrylic esters.
In one possible implementation, the alcoholic solvent is selected from at least one of ethanol, isopropanol, n-butanol.
In one possible implementation, the emulsifier is at least one selected from octylphenol polyoxyethylene ether, nonylphenol polyoxyethylene ether, sodium dodecylbenzene sulfonate, sodium dodecylsulfonate, and sodium lauryl sulfonate.
In one possible implementation, the first initiator and the second initiator are each selected from at least one of ammonium persulfate, sodium persulfate, and potassium persulfate.
In one possible implementation, the PH adjustor is selected from at least one of disodium hydrogen phosphate, sodium bicarbonate, and sodium acetate.
In another aspect, there is provided a method of preparing a waterproof and oil-repellent resin, the method comprising: adding 100-500 parts by weight of deionized water, 5-50 parts by weight of an alcohol solvent, 0.1-10 parts by weight of an emulsifier, 5-50 parts by weight of a first monomer and 0.05-5 parts by weight of a first initiator into a reaction kettle;
controlling the temperature of the reaction kettle, and adding 5-50 parts by weight of a second monomer, 60-150 parts by weight of a third monomer and 0.05-5 parts by weight of a second initiator into the reaction kettle;
after the addition is completed, preserving heat, then adding 0.01-5 parts by weight of PH value regulator, and cooling to obtain the resin;
in one possible implementation manner, the second monomer, the third monomer and the second initiator are added into the reaction kettle in a dropwise manner.
In one possible implementation, the second monomer has a drip rate of 5 to 30 parts by weight per hour;
the dropping speed of the third monomer is 15-50 parts by weight/hour;
the second initiator has a dropping rate of 0.01 to 0.5 parts by weight/hr.
In yet another aspect, there is provided a coating comprising: 60-120 parts by weight of any one of the water-proof and oil-proof resin, 0.01-3 parts by weight of wetting agent, 0.01-3 parts by weight of defoamer and 10-80 parts by weight of heat-conducting filler.
In one possible implementation, the thermally conductive filler is selected from at least one of nano aluminum oxide, nano aluminum nitride, and nano silicon nitride treated with a silane coupling agent.
The technical scheme provided by the embodiment of the invention has the beneficial effects that at least:
according to the method provided by the embodiment of the invention, the waterproof and oil-proof resin is synthesized in the emulsion polymerization mode, wherein the first monomer and the second monomer can provide adhesiveness to metal, plastic base materials and the like, and the third monomer has a fluorine-containing chain segment with low surface energy characteristic and can provide waterproof and oil-proof characteristics. In order to fully and uniformly dissolve the third monomer with low surface energy in a reaction system, the polymerization reaction is carried out under the ultrasonic wave through an ultrasonic device, so that the collision probability of emulsion particles and the third monomer in the emulsion polymerization process is increased, the fluorine content of the synthesized resin can be greatly improved, the waterproof and greasy dirt-preventing effects of the synthesized resin are greatly improved, the particle size of the emulsion particles can be reduced, the stability of the synthesized resin is improved, and the synthesized resin can be stably stored in a water phase for a long time without agglomeration, sedimentation and layering. Through emulsion polymerization mode, and materials are safe, the safety of the resin and the use is improved, and the environment is protected. And the synthesized resin can be bonded with the heat-conducting filler subjected to surface treatment by the silane coupling agent, so that a coating with water and oil resistance and heat conduction performance is formed.
Detailed Description
In order to make the technical scheme and advantages of the present invention more apparent, the following detailed description of the embodiments of the present invention will be provided.
In one aspect, the embodiment of the invention provides a waterproof and oil-proof resin, and substances required for synthesizing the resin comprise:
100-500 parts by weight of deionized water, 5-50 parts by weight of an alcohol solvent, 0.1-10 parts by weight of an emulsifier, 5-50 parts by weight of a first monomer, 0.05-5 parts by weight of a first initiator, 5-50 parts by weight of a second monomer, 60-150 parts by weight of a third monomer, 0.05-5 parts by weight of a second initiator and 0.01-5 parts by weight of a PH value regulator.
Wherein the first monomer is at least one selected from methyl methacrylate, n-butyl methacrylate, isobornyl methacrylate, ethyl methacrylate, isooctyl methacrylate and butyl acrylate;
the second monomer is at least one selected from styrene, vinyl acetate and acrylamide;
the third monomer is selected from fluorine-containing acrylic esters.
The waterproof and oil stain-proof resin provided by the embodiment of the invention can be synthesized in an emulsion polymerization mode by using the substances as reaction raw materials, wherein the first monomer and the second monomer of the above types can provide adhesiveness to metals, plastic substrates and the like, and the third monomer of the above types has fluorine-containing chain segments with low surface energy characteristics and can provide waterproof and oil stain-proof characteristics. The synthetic resin of the embodiment of the invention can be prepared in an emulsion polymerization mode on the premise of ensuring the safety of materials, thereby improving the safety of the resin and the use process and being more environment-friendly. And the synthesized resin can be bonded with the heat-conducting filler subjected to surface treatment of the silane coupling agent, so that a coating with water and oil resistance and heat conduction performance is formed.
Illustratively, the alcohol solvent is selected from at least one of ethanol, isopropanol, and n-butanol to improve the uniformity of the reaction system. The emulsifier is at least one selected from octyl phenol polyoxyethylene ether, nonylphenol polyoxyethylene ether, sodium dodecyl benzene sulfonate, sodium dodecyl sulfonate and sodium lauryl sulfonate. The first initiator and the second initiator are at least one selected from ammonium persulfate, sodium persulfate and potassium persulfate. The PH value regulator is at least one selected from disodium hydrogen phosphate, sodium bicarbonate and sodium acetate, so that the PH value of the synthesized resin meets the requirement and is favorable for preservation.
As an example, the third monomer may be perfluorooctyl ethyl methacrylate and/or perfluorohexyl ethyl methacrylate.
On the other hand, the embodiment of the invention provides a preparation method of waterproof and oil-proof resin, which comprises the following steps: 100-500 parts by weight of deionized water, 5-50 parts by weight of an alcohol solvent, 0.1-10 parts by weight of an emulsifier, 5-50 parts by weight of a first monomer and 0.05-5 parts by weight of a first initiator are added into a reaction kettle with an ultrasonic device and a stirring device.
And (3) starting an ultrasonic device and a stirring device, controlling the kettle temperature at 50-100 ℃, and adding 5-50 parts by weight of a second monomer, 60-150 parts by weight of a third monomer and 0.05-5 parts by weight of a second initiator into the reaction kettle.
After the addition is completed, preserving heat for a set time, then adding 0.01-5 parts by weight of PH value regulator, and cooling to room temperature to obtain the waterproof and oil-proof resin.
The preparation method of the waterproof and oil-proof resin provided by the embodiment of the invention realizes the synthesis of the waterproof and oil-proof resin in an emulsion polymerization mode, wherein the first monomer and the second monomer in the above types can provide adhesiveness to metal, plastic base materials and the like, and the third monomer in the above types has fluorine-containing chain segments with low surface energy characteristics and can provide waterproof and oil-proof characteristics. In order to fully and uniformly dissolve the third monomer with low surface energy in a reaction system, the polymerization reaction is carried out under the ultrasonic wave through an ultrasonic device, so that the collision probability of emulsion particles and the third monomer in the emulsion polymerization process is increased, the fluorine content of the synthesized resin can be greatly improved, the waterproof and greasy dirt-preventing effects of the synthesized resin are greatly improved, the particle size of the emulsion particles can be reduced, the stability of the synthesized resin is improved, and the synthesized resin can be stably stored in a water phase for a long time without agglomeration, sedimentation and layering. According to the embodiment of the invention, on the premise of safe materials, the resin is synthesized in an emulsion polymerization mode, so that the safety of the resin and the use is improved, and the environment is protected. And the synthesized resin can be bonded with the heat-conducting filler subjected to surface treatment of the silane coupling agent, so that a coating with water and oil resistance and heat conduction performance is formed.
It can be appreciated that the resin synthesized in the embodiment of the present invention can be chemically bonded to the thermally conductive filler (e.g., nano-sized thermally conductive filler) surface-treated with the silane coupling agent, because the silane coupling agent can be chemically bonded to the resin under baking at a specific temperature, which greatly improves the abrasion resistance as compared with the conventional physical mixing, and also significantly enhances the thermal conductive effect. The specific temperature mentioned above may be 40℃to 80℃such as 40℃to 45℃to 50℃to 55℃to 60 ℃.
Illustratively, the alcohol solvent is selected from at least one of ethanol, isopropanol, and n-butanol to improve the uniformity of the reaction system. The emulsifier is at least one selected from octyl phenol polyoxyethylene ether, nonylphenol polyoxyethylene ether, sodium dodecyl benzene sulfonate, sodium dodecyl sulfonate and sodium lauryl sulfonate. The first initiator and the second initiator are at least one selected from ammonium persulfate, sodium persulfate and potassium persulfate. The PH value regulator is at least one selected from disodium hydrogen phosphate, sodium bicarbonate and sodium acetate, so that the PH value of the synthesized resin meets the requirement and is favorable for preservation.
In one possible implementation, 300-400 parts by weight deionized water, 20-40 parts by weight alcohol solvent, 1-3 parts by weight emulsifier, 20-40 parts by weight first monomer, 0.1 parts by weight first initiator may be added to a reaction kettle having an ultrasonic device and a stirring device.
And (3) starting an ultrasonic device and a stirring device, controlling the kettle temperature at 60-80 ℃, and adding 20-40 parts by weight of a second monomer, 80-120 parts by weight of a third monomer and 0.2-0.4 part by weight of a second initiator into the reaction kettle.
After the addition is completed, preserving heat for a set time, then adding 0.3 to 1.5 parts by weight of PH value regulator, and cooling to room temperature to obtain the resin.
In the process of synthesizing the waterproof and oil-proof resin, the weight parts of the used reaction raw materials include, but are not limited to, the following, and meanwhile, the weight ratio of each reaction raw material can be selected from any combination of the following specific examples:
as an example, deionized water may be 100 parts by weight, 150 parts by weight, 200 parts by weight, 250 parts by weight, 300 parts by weight, 350 parts by weight, 400 parts by weight, 10450 parts by weight, 500 parts by weight, and the like.
The alcohol solvent may be 5 parts by weight, 10 parts by weight, 15 parts by weight, 20 parts by weight, 25 parts by weight, 30 parts by weight, 35 parts by weight, 40 parts by weight, 45 parts by weight, 50 parts by weight, or the like.
The emulsifier may be 0.1 part by weight, 0.5 part by weight, 1 part by weight, 2 parts by weight, 3 parts by weight, 4 parts by weight, 5 parts by weight, 6 parts by weight, 7 parts by weight, 8 parts by weight, 9 parts by weight, 10 parts by weight, or the like.
The first monomer may be 5 parts by weight, 10 parts by weight, 15 parts by weight, 20 parts by weight, 25 parts by weight, 30 parts by weight, 35 parts by weight, 40 parts by weight, 45 parts by weight, 50 parts by weight, or the like.
The first initiator may be 0.05 parts by weight, 0.1 parts by weight, 0.5 parts by weight, 1 part by weight, 2 parts by weight, 3 parts by weight, 4 parts by weight, 5 parts by weight, or the like.
The second monomer may be 5 parts by weight, 10 parts by weight, 15 parts by weight, 20 parts by weight, 25 parts by weight, 30 parts by weight, 35 parts by weight, 40 parts by weight, 45 parts by weight, 50 parts by weight, or the like.
The third monomer may be 60 parts by weight, 70 parts by weight, 80 parts by weight, 90 parts by weight, 100 parts by weight, 110 parts by weight, 120 parts by weight, 130 parts by weight, 140 parts by weight, 150 parts by weight, or the like.
The second initiator may be 0.05 parts by weight, 0.1 parts by weight, 0.5 parts by weight, 1 part by weight, 2 parts by weight, 3 parts by weight, 4 parts by weight, 5 parts by weight, or the like.
The pH adjustor can be 0.01 part by weight, 0.03 part by weight, 0.05 part by weight, 0.1 part by weight, 0.5 part by weight, 1 part by weight, 2 parts by weight, 3 parts by weight, 4 parts by weight, 5 parts by weight, or the like.
In the reaction process, the pot temperature may be 50deg.C, 55deg.C, 60deg.C, 65deg.C, 70deg.C, 75deg.C, 80deg.C, 85deg.C, 90deg.C, 95deg.C, 100deg.C, etc.
In order to make the polymerization reaction more controllable and complete, in the embodiment of the invention, the second monomer, the third monomer and the second initiator are all added into the reaction kettle in a dropwise manner, i.e. they are continuously added.
In one possible implementation, the second monomer has a drip rate of 5-30 parts by weight/hr, such as 5-15 parts by weight/hr, further by way of example 5 parts by weight/hr, 6 parts by weight/hr, 7 parts by weight/hr, 8 parts by weight/hr, 9 parts by weight/hr, 10 parts by weight/hr, 11 parts by weight/hr, 12 parts by weight/hr, 13 parts by weight/hr, 14 parts by weight/hr, 15 parts by weight/hr, 20 parts by weight/hr, 30 parts by weight/hr, etc.
The third monomer has a dropping speed of 15 to 50 parts by weight/hour, for example 15 to 25 parts by weight/hour, further exemplified by 15 parts by weight/hour, 16 parts by weight/hour, 17 parts by weight/hour, 18 parts by weight/hour, 19 parts by weight/hour, 20 parts by weight/hour, 21 parts by weight/hour, 22 parts by weight/hour, 23 parts by weight/hour, 24 parts by weight/hour, 25 parts by weight/hour, 30 parts by weight/hour, 40 parts by weight/hour, 50 parts by weight/hour, etc.
The second initiator has a dropping speed of 0.01 to 0.5 parts by weight/hr, for example, 0.05 to 0.15 parts by weight/hr, further exemplified by 0.05 parts by weight/hr, 0.06 parts by weight/hr, 0.07 parts by weight/hr, 0.08 parts by weight/hr, 0.09 parts by weight/hr, 0.1 parts by weight/hr, 0.11 parts by weight/hr, 0.12 parts by weight/hr, 0.13 parts by weight/hr, 0.14 parts by weight/hr, 0.15 parts by weight/hr, 0.2 parts by weight/hr, 0.3 parts by weight/hr, 0.4 parts by weight/hr, 0.5 parts by weight/hr, and the like.
It is understood that the above-mentioned weight parts in the dropping speed are all based on the total weight parts in the reaction raw material, for example, the content of the second monomer in the reaction raw material is 20 to 40 weight parts, the dropping speed is controlled to 10 weight parts/hour, and it can be completed in 2 to 4 hours.
In the preparation process, after the addition, the heat preservation time can be controlled to be 4-8 hours, for example, 4 hours, 5 hours, 6 hours, 7 hours, 8 hours and the like. After the addition of the pH adjustor, the mixture is cooled to room temperature, which is a conventional room temperature, for example, between 23℃and 30 ℃.
In addition, the reaction kettle with the ultrasonic device and the stirring device can be obtained by additionally installing an ultrasonic device in a common reaction kettle with the stirring device, and the reaction kettle can be realized by simple assembly, and the embodiment of the invention is not specifically described herein.
In yet another aspect, embodiments of the present invention also provide a coating material comprising 60 to 120 parts by weight of the resin of claim 8, 0.01 to 3 parts by weight of a wetting agent, 0.01 to 3 parts by weight of an antifoaming agent, and 10 to 80 parts by weight of a thermally conductive filler.
In one possible implementation, the coating includes: 90-100 parts by weight of resin synthesized according to the method, 0.1-0.3 part by weight of wetting agent, 0.2-0.5 part by weight of defoamer and 20-60 parts by weight of heat conducting filler.
The coating formed by the coating provided by the embodiment of the invention has good waterproof and oil stain-proof performances and good heat conduction performance.
The coating provided by the embodiment of the invention comprises the following components in parts by weight, wherein the weight ratio of the components can be selected from any combination of the following specific examples:
as an example, the water-and oil-repellent resin used may be 60 parts by weight, 70 parts by weight, 80 parts by weight, 90 parts by weight, 100 parts by weight, 110 parts by weight, 120 parts by weight, or the like.
The wetting agent may be 0.01 part by weight, 0.05 part by weight, 0.1 part by weight, 0.5 part by weight, 1 part by weight, 2 parts by weight, 3 parts by weight, etc.
The defoamer may be 0.01 part by weight, 0.06 part by weight, 0.12 part by weight, 0.7 part by weight, 1 part by weight, 2 parts by weight, 3 parts by weight, etc.
The heat conductive filler may be 10 parts by weight, 20 parts by weight, 30 parts by weight, 40 parts by weight, 50 parts by weight, 60 parts by weight, 70 parts by weight, 80 parts by weight, or the like.
In order to improve the bonding strength of the resin and the heat conducting filler and maintain the stability of the heat conducting property, the heat conducting filler in the embodiment of the invention is at least one of nano aluminum oxide, nano aluminum nitride and nano silicon nitride treated by a silane coupling agent.
The wetting agents and defoamers mentioned above are well known in the art, and may be, for exampleWet KL 245、/>Wet 240、/>Wet 270、/>At least one of Twin 4100, BYK-346 and BYK-349; the defoamer can be BYK-024, BYK-028, BYK-093, or +.>Airex 902W、/>Foamex 822、/>At least one of the Foamex 825.
As an example, the following method can be used to prepare a coating using the above-described paint:
(1) Preparing a coating: to 60 to 120 parts by weight, for example, 90 to 100 parts by weight of the resin, 0.01 to 0.3 part by weight, for example, 0.1 to 3 parts by weight of the wetting agent, 0.01 to 3 parts by weight, for example, 0.2 to 0.5 part by weight of the antifoaming agent, 10 to 80 parts by weight, for example, 20 to 60 parts by weight of the heat conductive filler are added and then uniformly mixed to obtain the coating.
(2) The construction method comprises the following steps: and spraying the paint on the surface of the sample.
(3) The curing mode is as follows: the sprayed sample is placed in an oven (the baking temperature may be 50-70 c, e.g. 60 c) and baked for a period of time, e.g. 60 minutes, before being removed.
(4) And (3) performance detection: and cooling the sample piece with the solidified surface coating to room temperature, removing static electricity from the surface coating, and testing the water contact angle (corresponding to water resistance), the n-hexadecane contact angle (corresponding to oil stain resistance) and the heat conduction effect of the sample piece.
The invention will be further described by means of specific examples:
It is understood that the "parts" referred to in the following examples refer to parts by weight.
Example 1
The embodiment provides waterproof and oil-proof resin and a coating prepared by using the resin, wherein the waterproof and oil-proof resin is prepared by the following method:
320 parts of deionized water, 35 parts of n-butanol, 1 part of sodium dodecyl sulfate, 20 parts of butyl acrylate and 0.1 part of potassium persulfate are added into a reaction kettle with an ultrasonic device and a stirring device, the ultrasonic device and the stirring device are started, the kettle temperature is controlled at 70 ℃, 40 parts of styrene is continuously added into the reaction kettle, the dropping rate is 10 parts/h, 90 parts of perfluorooctyl ethyl methacrylate is 20 parts/h, 0.4 part of ammonium persulfate is 0.1 part/h, after the addition is completed, 0.3 part of sodium bicarbonate is added after the heat preservation is completed, the reaction kettle is cooled to room temperature, and the filtration is carried out through 500-mesh filter cloth, so that the waterproof and oil-proof resin expected in the embodiment is obtained.
The waterproof and oil-stain-resistant resin prepared by the preparation method is as follows: :
(1) Preparing a coating: adding 0.1 part of BYK-349,0.4 parts of BYK-024 and 40 parts of nano alumina into 100 parts of waterproof and oil stain-proof resin, and uniformly mixing;
(2) The construction method comprises the following steps: respectively spraying the coating on the battery shell, the PMMA material mobile phone shell and the aluminum base material;
(3) The curing mode is as follows: placing the sprayed sample piece in a 60 ℃ oven for baking for 60 minutes, and taking out;
(4) And (3) performance detection: and after the solidified sample is cooled to room temperature, removing static electricity on the surface, and testing the water contact angle, the n-hexadecane contact angle and the heat conduction effect of the aluminum base material of the battery shell and the PMMA material mobile phone shell.
Example 2
The embodiment provides waterproof and oil-proof resin and a coating prepared by using the resin, wherein the waterproof and oil-proof resin is prepared by the following method:
380 parts of deionized water, 35 parts of isopropanol, 3 parts of nonylphenol polyoxyethylene ether, 25 parts of n-butyl methacrylate and 0.1 part of potassium persulfate are added into a reaction kettle provided with an ultrasonic device and a stirring device, the ultrasonic device and the stirring device are started, the kettle temperature is controlled at 60 ℃, 40 parts of acrylamide is continuously added, the dropping rate is 10 parts/h, 80 parts of perfluorooctyl ethyl methacrylate, the dropping rate is 20 parts/h, 0.4 part of sodium persulfate and 0.1 part/h, after the addition is completed, 0.3 part of sodium acetate is added after the heat preservation is completed, the reaction kettle is cooled to room temperature, and the filtration is carried out through 500-mesh filter cloth, so that the waterproof and oil-proof resin expected in the embodiment is obtained.
The waterproof and oil-stain-resistant resin prepared by the preparation method is as follows: :
(1) Preparing a coating: to 92 parts of the waterproof and greasy dirt-preventing resin was added 0.3 partWet KL 245,0.2 partsUniformly mixing 20 parts of Foamex 825 and nanometer aluminum nitride;
(2) The construction method comprises the following steps: respectively spraying the coating on the battery shell, the PMMA material mobile phone shell and the aluminum base material;
(3) The curing mode is as follows: placing the sprayed sample piece in a 60 ℃ oven for baking for 60 minutes, and taking out;
(4) And (3) performance detection: and after the solidified sample is cooled to room temperature, removing static electricity on the surface, and testing the water contact angle, the n-hexadecane contact angle and the heat conduction effect of the aluminum base material of the battery shell and the PMMA material mobile phone shell.
Example 3
The embodiment provides waterproof and oil-proof resin and a coating prepared by using the resin, wherein the waterproof and oil-proof resin is prepared by the following method:
340 parts of deionized water, 35 parts of n-butanol, 1.5 parts of sodium dodecyl sulfonate, 20 parts of methyl methacrylate and 0.1 part of ammonium persulfate are added into a reaction kettle with an ultrasonic device and a stirring device, the ultrasonic device and the stirring device are started, the kettle temperature is controlled at 70 ℃, 25 parts of styrene is continuously added, the dropping rate is 10 parts/h, 95 parts of perfluorooctyl ethyl methacrylate, the dropping rate is 20 parts/h, 0.2 part of ammonium persulfate, the dropping rate is 0.1 part/h, after the addition is completed, 1.2 parts of disodium hydrogen phosphate is added after the heat preservation is completed for 5 hours, the mixture is cooled to room temperature, and the mixture is filtered by 500-mesh filter cloth, so that the waterproof and oil-proof resin expected in the embodiment is obtained.
The waterproof and oil-stain-resistant resin prepared by the preparation method is as follows: :
(1) Preparing a coating: to 98 parts of a water-and oil-repellent resin was added 0.1 partWet KL 245,0.1 partsFoamex 822，60Mixing the nano silicon nitride;
(2) The construction method comprises the following steps: respectively spraying the coating on the battery shell, the PMMA material mobile phone shell and the aluminum base material;
(3) The curing mode is as follows: placing the sprayed sample piece in a 60 ℃ oven for baking for 60 minutes, and taking out;
(4) And (3) performance detection: and after the solidified sample is cooled to room temperature, removing static electricity on the surface, and testing the water contact angle, the n-hexadecane contact angle and the heat conduction effect of the aluminum base material of the battery shell and the PMMA material mobile phone shell.
Example 4
The embodiment provides waterproof and oil-proof resin and a coating prepared by using the resin, wherein the waterproof and oil-proof resin is prepared by the following method:
300 parts of deionized water, 35 parts of ethanol, 2 parts of octyl phenol polyoxyethylene ether, 25 parts of isooctyl methacrylate and 0.1 part of ammonium persulfate are added into a reaction kettle with an ultrasonic device and a stirring device, the ultrasonic device and the stirring device are started, the kettle temperature is controlled at 75 ℃,25 parts of styrene is continuously added, the dropping rate is 10 parts/h, 110 parts of perfluorooctyl ethyl methacrylate, the dropping rate is 20 parts/h, 0.4 part of ammonium persulfate, the dropping rate is 0.1 part/h, after the addition is completed, 0.3 part of sodium bicarbonate is added after heat preservation is carried out for 5 hours, the temperature is cooled to room temperature, and the mixture is filtered by 500-mesh filter cloth, so that the waterproof and oil-proof resin expected in the embodiment is obtained.
The waterproof and oil-stain-resistant resin prepared by the preparation method is as follows: :
(1) Preparing a coating: adding 0.2 part of BYK-349,0.3 parts of BYK-093 and 45 parts of nano aluminum nitride into 100 parts of waterproof and oil stain-proof resin, and uniformly mixing;
(2) The construction method comprises the following steps: respectively spraying the coating on the battery shell, the PMMA material mobile phone shell and the aluminum base material;
(3) The curing mode is as follows: placing the sprayed sample piece in a 60 ℃ oven for baking for 60 minutes, and taking out;
(4) And (3) performance detection: and after the solidified sample is cooled to room temperature, removing static electricity on the surface, and testing the water contact angle, the n-hexadecane contact angle and the heat conduction effect of the aluminum base material of the battery shell and the PMMA material mobile phone shell.
Example 5
The embodiment provides waterproof and oil-proof resin and a coating prepared by using the resin, wherein the waterproof and oil-proof resin is prepared by the following method:
300 parts of deionized water, 35 parts of isopropanol, 1 part of sodium dodecyl sulfonate, 30 parts of ethyl methacrylate and 0.1 part of ammonium persulfate are added into a reaction kettle with an ultrasonic device and a stirring device, the ultrasonic device and the stirring device are started, the kettle temperature is controlled at 65 ℃,35 parts of acrylamide is continuously added, the dropping rate is 10 parts/h, 120 parts of perfluorohexyl ethyl methacrylate, the dropping rate is 20 parts/h, 0.4 part of ammonium persulfate, the dropping rate is 0.1 part/h, after the addition is completed, 0.3 part of sodium acetate is added after heat preservation is carried out for 5 hours, the reaction kettle is cooled to room temperature, and the reaction kettle is filtered by 500-mesh filter cloth, so that the waterproof and oil-proof resin expected in the embodiment is obtained.
The waterproof and oil-stain-resistant resin prepared by the preparation method is as follows: :
(1) Preparing a coating: to 94 parts of the waterproof and greasy dirt-preventing resin was added 0.3 partMixing 245,0.4 parts of Wet KL BYK-028 and 50 parts of nano silicon nitride uniformly;
(2) The construction method comprises the following steps: respectively spraying the coating on the battery shell, the PMMA material mobile phone shell and the aluminum base material;
(3) The curing mode is as follows: placing the sprayed sample piece in a 60 ℃ oven for baking for 60 minutes, and taking out;
(4) And (3) performance detection: and after the solidified sample is cooled to room temperature, removing static electricity on the surface, and testing the water contact angle, the n-hexadecane contact angle and the heat conduction effect of the aluminum base material of the battery shell and the PMMA material mobile phone shell.
Example 6
The embodiment provides waterproof and oil-proof resin and a coating prepared by using the resin, wherein the waterproof and oil-proof resin is prepared by the following method:
300 parts of deionized water, 25 parts of n-butanol, 1.5 parts of sodium lauryl sulfonate, 35 parts of ethyl methacrylate and 0.1 part of potassium persulfate are added into a reaction kettle with an ultrasonic device and a stirring device, the ultrasonic device and the stirring device are started, the kettle temperature is controlled at 65 ℃, 30 parts of acrylamide is continuously added, the dropping rate is 10 parts/h, 105 parts of perfluorohexyl ethyl methacrylate, the dropping rate is 20 parts/h, 0.2 part of sodium persulfate and the dropping rate is 0.1 part/h, after the addition is completed, 1.5 parts of sodium bicarbonate is added after the heat preservation is completed for 5 hours, the reaction kettle is cooled to room temperature, and the reaction kettle is filtered by 500-mesh filter cloth, so that the waterproof and oil-proof resin expected in the embodiment is obtained.
The waterproof and oil-stain-resistant resin prepared by the preparation method is as follows: :
(1) Preparing a coating: adding 0.2 part of BYK-349,0.4 parts of BYK-093 and 35 parts of nano alumina into 94 parts of waterproof and oil-proof resin, and uniformly mixing;
(2) The construction method comprises the following steps: respectively spraying the coating on the battery shell, the PMMA material mobile phone shell and the aluminum base material;
(3) The curing mode is as follows: placing the sprayed sample piece in a 60 ℃ oven for baking for 60 minutes, and taking out;
(4) And (3) performance detection: and after the solidified sample is cooled to room temperature, removing static electricity on the surface, and testing the water contact angle, the n-hexadecane contact angle and the heat conduction effect of the aluminum base material of the battery shell and the PMMA material mobile phone shell.
Example 7
The embodiment provides waterproof and oil-proof resin and a coating prepared by using the resin, wherein the waterproof and oil-proof resin is prepared by the following method:
400 parts of deionized water, 35 parts of isopropanol, 1.5 parts of sodium dodecyl sulfonate, 25 parts of isobornyl methacrylate and 0.1 part of ammonium persulfate are added into a reaction kettle with an ultrasonic device and a stirring device, the ultrasonic device and the stirring device are started, the kettle temperature is controlled at 65 ℃, 40 parts of acrylamide is continuously added, the dropping rate is 10 parts/h, 85 parts of perfluorooctyl ethyl methacrylate, the dropping rate is 20 parts/h, 0.3 part of ammonium persulfate, the dropping rate is 0.1 part/h, after the addition is completed, 1.2 parts of sodium acetate is added after heat preservation for 5 hours, the mixture is cooled to room temperature, and the mixture is filtered by a 500-mesh filter cloth, so that the waterproof and oil-proof resin expected in the embodiment is obtained.
The waterproof and oil-stain-resistant resin prepared by the preparation method is as follows: :
(1) Preparing a coating: to 98 parts of a water-and oil-repellent resin was added 0.1 partMixing 270,0.3 parts of Wet BYK-024 and 25 parts of nano alumina uniformly;
(2) The construction method comprises the following steps: respectively spraying the coating on the battery shell, the PMMA material mobile phone shell and the aluminum base material;
(3) The curing mode is as follows: placing the sprayed sample piece in a 60 ℃ oven for baking for 60 minutes, and taking out;
(4) And (3) performance detection: and after the solidified sample is cooled to room temperature, removing static electricity on the surface, and testing the water contact angle, the n-hexadecane contact angle and the heat conduction effect of the aluminum base material of the battery shell and the PMMA material mobile phone shell.
Example 8
The embodiment provides waterproof and oil-proof resin and a coating prepared by using the resin, wherein the waterproof and oil-proof resin is prepared by the following method:
360 parts of deionized water, 30 parts of isopropanol, 1.5 parts of sodium dodecyl benzene sulfonate, 40 parts of n-butyl methacrylate and 0.1 part of potassium persulfate are added into a reaction kettle with an ultrasonic device and a stirring device, the ultrasonic device and the stirring device are started, the kettle temperature is controlled at 80 ℃, 35 parts of acrylamide is continuously added, the dropping rate is 10 parts/h, 85 parts of perfluorooctyl ethyl methacrylate is 20 parts/h, 0.4 part of sodium persulfate is added, the dropping rate is 0.1 part/h, after the addition is completed, 1.2 parts of disodium hydrogen phosphate is added after heat preservation is carried out for 5 hours, the mixture is cooled to room temperature, and the mixture is filtered by a 500-mesh filter cloth, so that the waterproof and oil-proof resin expected in the embodiment is obtained.
The waterproof and oil-stain-resistant resin prepared by the preparation method is as follows: :
(1) Preparing a coating: adding 0.2 part of BYK-346,0.3 parts of BYK-024 and 50 parts of nano alumina into 98 parts of waterproof and oil stain-proof resin, and uniformly mixing;
(2) The construction method comprises the following steps: respectively spraying the coating on the battery shell, the PMMA material mobile phone shell and the aluminum base material;
(3) The curing mode is as follows: placing the sprayed sample piece in a 60 ℃ oven for baking for 60 minutes, and taking out;
(4) And (3) performance detection: and after the solidified sample is cooled to room temperature, removing static electricity on the surface, and testing the water contact angle, the n-hexadecane contact angle and the heat conduction effect of the aluminum base material of the battery shell and the PMMA material mobile phone shell.
Example 9
The embodiment provides waterproof and oil-proof resin and a coating prepared by using the resin, wherein the waterproof and oil-proof resin is prepared by the following method:
340 parts of deionized water, 35 parts of isopropanol, 3 parts of polyoxyethylene nonylphenol ether, 30 parts of n-butyl methacrylate and 0.1 part of ammonium persulfate are added into a reaction kettle with an ultrasonic device and a stirring device, the ultrasonic device and the stirring device are started, the kettle temperature is controlled at 60 ℃,35 parts of styrene is continuously added, the dropping rate is 10 parts/h, 105 parts of perfluorohexyl ethyl methacrylate, the dropping rate is 20 parts/h, 0.3 part of sodium persulfate, the dropping rate is 0.1 part/h, after the addition is completed, 0.3 part of disodium hydrogen phosphate is added after the heat preservation is completed, the mixture is cooled to room temperature, and the mixture is filtered by a 500-mesh filter cloth, so that the waterproof and oil-proof resin expected in the embodiment is obtained.
The waterproof and oil-stain-resistant resin prepared by the preparation method is as follows: :
(1) Preparing a coating: to 98 parts of a water-and oil-repellent resin was added 0.2 partTwain 4100,0.3 partsAirex 902W,50 parts of nano alumina and uniformly mixing;
(2) The construction method comprises the following steps: respectively spraying the coating on the battery shell, the PMMA material mobile phone shell and the aluminum base material;
(3) The curing mode is as follows: placing the sprayed sample piece in a 60 ℃ oven for baking for 60 minutes, and taking out;
(4) And (3) performance detection: and after the solidified sample is cooled to room temperature, removing static electricity on the surface, and testing the water contact angle, the n-hexadecane contact angle and the heat conduction effect of the aluminum base material of the battery shell and the PMMA material mobile phone shell.
Example 10
The embodiment provides waterproof and oil-proof resin and a coating prepared by using the resin, wherein the waterproof and oil-proof resin is prepared by the following method:
320 parts of deionized water, 25 parts of isopropanol, 1.5 parts of polyoxyethylene nonylphenol ether, 30 parts of isobornyl methacrylate and 0.1 part of ammonium persulfate are added into a reaction kettle provided with an ultrasonic device and a stirring device, the ultrasonic device and the stirring device are started, the kettle temperature is controlled at 80 ℃,30 parts of vinyl acetate is continuously added, the dropping rate is 10 parts/h, 80 parts of perfluorooctyl ethyl methacrylate is 20 parts/h, 0.2 part of ammonium persulfate is added, the dropping rate is 0.1 part/h, after the addition is completed, 0.9 part of sodium acetate is added after heat preservation for 5 hours, the mixture is cooled to room temperature, and the mixture is filtered by 500-mesh filter cloth, so that the waterproof and oil-proof resin expected in the embodiment is obtained.
The waterproof and oil-stain-resistant resin prepared by the preparation method is as follows: :
(1) Preparing a coating: to 98 parts of a water-and oil-repellent resin was added 0.3 partTwain 4100,0.4 partsAirex 902W,60 parts of nano alumina and uniformly mixing;
(2) The construction method comprises the following steps: respectively spraying the coating on the battery shell, the PMMA material mobile phone shell and the aluminum base material;
(3) The curing mode is as follows: placing the sprayed sample piece in a 60 ℃ oven for baking for 60 minutes, and taking out;
(4) And (3) performance detection: and after the solidified sample is cooled to room temperature, removing static electricity on the surface, and testing the water contact angle, the n-hexadecane contact angle and the heat conduction effect of the aluminum base material of the battery shell and the PMMA material mobile phone shell.
Example 11
The embodiment provides waterproof and oil-proof resin and a coating prepared by using the resin, wherein the waterproof and oil-proof resin is prepared by the following method:
380 parts of deionized water, 30 parts of isopropanol, 2.5 parts of polyoxyethylene nonylphenol ether, 40 parts of isobornyl methacrylate and 0.1 part of ammonium persulfate are added into a reaction kettle with an ultrasonic device and a stirring device, the ultrasonic device and the stirring device are started, the kettle temperature is controlled at 70 ℃,40 parts of acrylamide is continuously added, the dropping rate is 10 parts/h, 110 parts of perfluorohexyl ethyl methacrylate is 20 parts/h, 0.3 part of ammonium persulfate, the dropping rate is 0.1 part/h, after the addition is completed, 0.8 part of sodium bicarbonate is added after the heat preservation is completed, the reaction kettle is cooled to room temperature, and the filtration is carried out through 500-mesh filter cloth, so that the waterproof and oil-proof resin expected in the embodiment is obtained.
The waterproof and oil-stain-resistant resin prepared by the preparation method is as follows: :
(1) Preparing a coating: to 95 parts of the waterproof and greasy dirt-preventing resin, 0.2 part of the waterproof and greasy dirt-preventing resin is addedMixing 240,0.2 parts of Wet BYK-093 and 35 parts of nano silicon nitride uniformly;
(2) The construction method comprises the following steps: respectively spraying the coating on the battery shell, the PMMA material mobile phone shell and the aluminum base material;
(3) The curing mode is as follows: placing the sprayed sample piece in a 60 ℃ oven for baking for 60 minutes, and taking out;
(4) And (3) performance detection: and after the solidified sample is cooled to room temperature, removing static electricity on the surface, and testing the water contact angle, the n-hexadecane contact angle and the heat conduction effect of the aluminum base material of the battery shell and the PMMA material mobile phone shell.
Example 12
The embodiment provides waterproof and oil-proof resin and a coating prepared by using the resin, wherein the waterproof and oil-proof resin is prepared by the following method:
340 parts of deionized water, 25 parts of ethanol, 2 parts of sodium dodecyl sulfonate, 30 parts of ethyl methacrylate and 0.1 part of ammonium persulfate are added into a reaction kettle with an ultrasonic device and a stirring device, the ultrasonic device and the stirring device are started, the kettle temperature is controlled at 80 ℃,25 parts of styrene is continuously added, the dropping rate is 10 parts/h, 90 parts of perfluorohexyl ethyl methacrylate, the dropping rate is 20 parts/h, 0.4 part of ammonium persulfate, the dropping rate is 0.1 part/h, after the addition is completed, the temperature is kept for 5 hours, 0.9 part of sodium bicarbonate is added, the reaction kettle is cooled to room temperature, and the reaction kettle is filtered by 500-mesh filter cloth, so that the waterproof and oil-proof resin expected in the embodiment is obtained.
The waterproof and oil-stain-resistant resin prepared by the preparation method is as follows: :
(1) Preparing a coating: to 96 parts of a water-and oil-repellent resin was added 0.1 partWet 270,0.2 partsUniformly mixing the raw materials after 40 parts of nano alumina;
(2) The construction method comprises the following steps: respectively spraying the coating on the battery shell, the PMMA material mobile phone shell and the aluminum base material;
(3) The curing mode is as follows: placing the sprayed sample piece in a 60 ℃ oven for baking for 60 minutes, and taking out;
(4) And (3) performance detection: and after the solidified sample is cooled to room temperature, removing static electricity on the surface, and testing the water contact angle, the n-hexadecane contact angle and the heat conduction effect of the aluminum base material of the battery shell and the PMMA material mobile phone shell.
Example 13
The embodiment provides waterproof and oil-proof resin and a coating prepared by using the resin, wherein the waterproof and oil-proof resin is prepared by the following method:
400 parts of deionized water, 35 parts of n-butanol, 2.5 parts of polyoxyethylene nonylphenol ether, 35 parts of methyl methacrylate and 0.1 part of sodium persulfate are added into a reaction kettle with an ultrasonic device and a stirring device, the ultrasonic device and the stirring device are started, the kettle temperature is controlled at 60 ℃, 20 parts of acrylamide is continuously added, the dropping rate is 10 parts per hour, 110 parts of perfluorooctyl ethyl methacrylate is 20 parts per hour, 0.4 part of potassium persulfate is added, the dropping rate is 0.1 part per hour, after the addition is completed, 0.3 part of sodium acetate is added after heat preservation is carried out for 5 hours, the mixture is cooled to room temperature, and the mixture is filtered by a 500-mesh filter cloth, so that the waterproof and oil-proof resin expected in the embodiment is obtained.
The waterproof and oil-stain-resistant resin prepared by the preparation method is as follows: :
(1) Preparing a coating: to 94 parts of waterproof and greasy dirt-preventing resin, 0.3 part of BYK-346,0.5 part is addedUniformly mixing 35 parts of Foamex 822 and nano alumina;
(2) The construction method comprises the following steps: respectively spraying the coating on the battery shell, the PMMA material mobile phone shell and the aluminum base material;
(3) The curing mode is as follows: placing the sprayed sample piece in a 60 ℃ oven for baking for 60 minutes, and taking out;
(4) And (3) performance detection: and after the solidified sample is cooled to room temperature, removing static electricity on the surface, and testing the water contact angle, the n-hexadecane contact angle and the heat conduction effect of the aluminum base material of the battery shell and the PMMA material mobile phone shell.
Example 14
The embodiment provides waterproof and oil-proof resin and a coating prepared by using the resin, wherein the waterproof and oil-proof resin is prepared by the following method:
380 parts of deionized water, 30 parts of isopropanol, 1.5 parts of sodium dodecyl sulfate, 40 parts of ethyl methacrylate and 0.1 part of sodium persulfate are added into a reaction kettle with an ultrasonic device and a stirring device, the ultrasonic device and the stirring device are started, the kettle temperature is controlled at 75 ℃, 25 parts of vinyl acetate is continuously added, the dropping rate is 10 parts/h, 90 parts of perfluorohexyl ethyl methacrylate is 20 parts/h, 0.2 part of potassium persulfate is added, the dropping rate is 0.1 part/h, after the addition is completed, 0.3 part of sodium acetate is added after heat preservation is carried out for 5 hours, the mixture is cooled to room temperature, and the mixture is filtered by a 500-mesh filter cloth, so that the waterproof and oil-proof resin expected in the embodiment is obtained.
The waterproof and oil-stain-resistant resin prepared by the preparation method is as follows: :
(1) Preparing a coating: to 94 parts of waterproof and greasy dirt-preventing resin, 0.1 part of BYK-346,0.1 parts is addedUniformly mixing 50 parts of Foamex 825 and nanometer alumina;
(2) The construction method comprises the following steps: respectively spraying the coating on the battery shell, the PMMA material mobile phone shell and the aluminum base material;
(3) The curing mode is as follows: placing the sprayed sample piece in a 60 ℃ oven for baking for 60 minutes, and taking out;
(4) And (3) performance detection: and after the solidified sample is cooled to room temperature, removing static electricity on the surface, and testing the water contact angle, the n-hexadecane contact angle and the heat conduction effect of the aluminum base material of the battery shell and the PMMA material mobile phone shell.
Example 15
The embodiment provides waterproof and oil-proof resin and a coating prepared by using the resin, wherein the waterproof and oil-proof resin is prepared by the following method:
340 parts of deionized water, 20 parts of isopropanol, 1.5 parts of sodium lauryl sulfonate, 35 parts of isobornyl methacrylate and 0.1 part of sodium persulfate are added into a reaction kettle with an ultrasonic device and a stirring device, the ultrasonic device and the stirring device are started, the kettle temperature is controlled at 65 ℃, 40 parts of acrylamide is continuously added, the dropping rate is 10 parts per hour, 100 parts of perfluorohexyl ethyl methacrylate is 20 parts per hour, 0.3 part of potassium persulfate is added, the dropping rate is 0.1 part per hour, after the addition is completed, 0.6 part of sodium acetate is added after heat preservation is carried out for 5 hours, the mixture is cooled to room temperature, and the mixture is filtered by a 500-mesh filter cloth, so that the waterproof and oil-proof resin expected in the embodiment is obtained.
The waterproof and oil-stain-resistant resin prepared by the preparation method is as follows: :
(1) Preparing a coating: to 100 parts of waterproof and greasy dirt-preventing resin, 0.2 part of BYK-346,0.2 part is addedAirex 902W,50 parts of nano aluminum nitride and uniformly mixing;
(2) The construction method comprises the following steps: respectively spraying the coating on the battery shell, the PMMA material mobile phone shell and the aluminum base material;
(3) The curing mode is as follows: placing the sprayed sample piece in a 60 ℃ oven for baking for 60 minutes, and taking out;
(4) And (3) performance detection: and after the solidified sample is cooled to room temperature, removing static electricity on the surface, and testing the water contact angle, the n-hexadecane contact angle and the heat conduction effect of the aluminum base material of the battery shell and the PMMA material mobile phone shell.
Comparative example 1:
the embodiment provides waterproof and oil-proof resin and a coating prepared by using the resin, wherein the waterproof and oil-proof resin is prepared by the following method:
340 parts of deionized water, 25 parts of n-butanol, 1.5 parts of sodium lauryl sulfonate, 80 parts of ethyl methacrylate and 0.1 part of potassium persulfate are added into a reaction kettle with an ultrasonic device and a stirring device, the ultrasonic device and the stirring device are started, the kettle temperature is controlled at 65 ℃,80 parts of acrylamide is continuously added, the dropping rate is 10 parts/h, 0.4 part of potassium persulfate and 0.1 part/h, after the addition is completed, 0.3 part of sodium bicarbonate is added after the heat preservation is carried out for 5 hours, the mixture is cooled to room temperature, and the mixture is filtered by 500-mesh filter cloth, so that the waterproof and oil-proof resin expected in the embodiment is obtained.
The waterproof and oil-stain-resistant resin prepared by the preparation method is as follows: :
(1) Preparing a coating: adding 0.3 part of BYK-346,0.5 parts of BYK-024 and 40 parts of nano alumina into 94 parts of waterproof and oil stain-proof resin, and uniformly mixing;
(2) The construction method comprises the following steps: respectively spraying the coating on the battery shell, the PMMA material mobile phone shell and the aluminum base material;
(3) The curing mode is as follows: placing the sprayed sample piece in a 60 ℃ oven for baking for 60 minutes, and taking out;
(4) And (3) performance detection: and after the solidified sample is cooled to room temperature, removing static electricity on the surface, and testing the water contact angle, the n-hexadecane contact angle and the heat conduction effect of the aluminum base material of the battery shell and the PMMA material mobile phone shell.
Comparative example 2:
the embodiment provides waterproof and oil-proof resin and a coating prepared by using the resin, wherein the waterproof and oil-proof resin is prepared by the following method:
340 parts of nornonafluorobutyl ether, 20 parts of methyl methacrylate and 0.1 part of azobisisobutyronitrile are added into a reaction kettle, stirring is started, the kettle temperature is controlled at 78 ℃, 110 parts of perfluorooctyl ethyl methacrylate is continuously added, the dropping rate is 20 parts/h, 0.4 part of azobisisobutyronitrile is added, the dropping rate is 0.1 part/h, after the addition is completed, the mixture is kept for 5 hours, and then cooled to room temperature, and filtered by a 500-mesh filter cloth, so that the waterproof and oil-stain-proof resin expected in the embodiment is obtained.
The waterproof and oil-stain-resistant resin prepared by the preparation method is as follows: :
(1) The construction method comprises the following steps: respectively spraying the coating on the battery shell, the PMMA material mobile phone shell and the aluminum base material;
(2) The curing mode is as follows: placing the sprayed sample piece in a 60 ℃ oven for baking for 60 minutes, and taking out;
(3) And (3) performance detection: and after the solidified sample is cooled to room temperature, removing static electricity on the surface, and testing the water contact angle, the n-hexadecane contact angle and the heat conduction effect of the aluminum base material of the battery shell and the PMMA material mobile phone shell.
The performance test results of the above respective embodiments are respectively as follows:
the contact angle test results are shown in table 1:
TABLE 1
It will be appreciated by those skilled in the art that when the water contact angle is greater than 110 °, the n-hexadecane contact angle is greater than 65 °, the water and oil repellent effect represented is very excellent. According to the test data, all the test results corresponding to the embodiment of the invention can achieve excellent waterproof and oil-proof performances, but in comparative example 1, the waterproof and oil-proof performances cannot be achieved due to the fact that fluorine-containing monomers are not added, and in comparative example 2, the waterproof and oil-proof performances are realized by using a common pure solvent, and although the excellent waterproof and oil-proof effects can be achieved, a large amount of VOC can be released in the production and use processes, and the environment and human body are damaged.
And (3) testing heat conduction effect:
the heat conduction effect test is measured by adopting a method for testing the heat conduction coefficient, and the test method is carried out according to ASTM D5470-2012 Standard test method for the heat transmission performance of the heat conduction electric insulation material.
The test instrument adopts an LW-9389 type heat conductivity coefficient tester produced by Taiwan Rui Ling-Ling company;
laboratory temperature: (23+ -2) deg.C; humidity: (50+ -10)%;
test sample: aluminum substrates 30mm long, 30mm wide and 0.6mm thick were sprayed with a 20um coating, and the edges and surfaces were polished flat and then tested as shown in table 2:
TABLE 2
It will be appreciated by those skilled in the art that when the thermal conductivity is greater than 1.5W/mK, this means that good thermal conductivity is provided. From test data, it can be seen that the thermal conductivity of the coating formed by the coating provided by the embodiment of the invention is more than 1.5, while the thermal conductivity of the coating formed by the embodiment of the invention is only 0.38 without adding the thermal conductive filler in the comparative example 2, so that a good thermal conductive effect cannot be formed.
The foregoing description is only for the convenience of those skilled in the art to understand the technical solution of the present invention, and is not intended to limit the present invention. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (12)
1. A method for preparing a water-and oil-repellent resin, characterized in that the substances required for synthesizing the resin include:
100-500 parts by weight of deionized water, 5-50 parts by weight of an alcohol solvent, 0.1-10 parts by weight of an emulsifier, 5-50 parts by weight of a first monomer, 0.05-5 parts by weight of a first initiator, 5-50 parts by weight of a second monomer, 60-150 parts by weight of a third monomer, 0.05-5 parts by weight of a second initiator and 0.01-5 parts by weight of a PH value regulator;
wherein the first monomer is at least one selected from methyl methacrylate, n-butyl methacrylate, isobornyl methacrylate, ethyl methacrylate, isooctyl methacrylate and butyl acrylate;
the second monomer is at least one selected from styrene, vinyl acetate and acrylamide;
the third monomer is selected from perfluorooctyl ethyl methacrylate and/or perfluorohexyl ethyl methacrylate;
the preparation method of the resin comprises the following steps: adding 100-500 parts by weight of deionized water, 5-50 parts by weight of an alcohol solvent, 0.1-10 parts by weight of an emulsifier, 5-50 parts by weight of a first monomer and 0.05-5 parts by weight of a first initiator into a reaction kettle;
Starting an ultrasonic device and a stirring device, controlling the temperature of the reactor, and adding 5-50 parts by weight of a second monomer, 60-150 parts by weight of a third monomer and 0.05-5 parts by weight of a second initiator into the reaction kettle;
after the addition is completed, preserving heat, then adding 0.01-5 parts by weight of PH value regulator, and cooling to room temperature to obtain the resin.
2. The method according to claim 1, wherein the second monomer, the third monomer and the second initiator are added into the reaction kettle in a dropwise manner.
3. The production method according to claim 1, wherein the dropping speed of the second monomer is 5 to 30 parts by weight/hour;
the dropping speed of the third monomer is 15-50 parts by weight/hour;
the second initiator has a dropping rate of 0.01 to 0.5 parts by weight/hr.
4. The method according to claim 1, wherein the alcoholic solvent is at least one selected from ethanol, isopropanol and n-butanol.
5. The method according to claim 1, wherein the emulsifier is at least one selected from the group consisting of octylphenol polyoxyethylene ether, nonylphenol polyoxyethylene ether, sodium dodecylbenzene sulfonate, sodium dodecylsulfonate, and sodium lauryl sulfonate.
6. The method according to claim 1, wherein the first initiator and the second initiator are each at least one selected from ammonium persulfate, sodium persulfate, and potassium persulfate.
7. The method according to claim 1, wherein the PH adjustor is at least one selected from the group consisting of disodium hydrogen phosphate, sodium bicarbonate and sodium acetate.
8. A coating, the coating comprising: 60-120 parts by weight of resin, 0.01-3 parts by weight of wetting agent, 0.01-3 parts by weight of defoamer and 10-80 parts by weight of heat conducting filler;
the heat conducting filler is at least one of nano aluminum oxide, nano aluminum nitride and nano silicon nitride which are treated by a silane coupling agent;
the materials required for synthesizing the resin include:
100-500 parts by weight of deionized water, 5-50 parts by weight of an alcohol solvent, 0.1-10 parts by weight of an emulsifier, 5-50 parts by weight of a first monomer, 0.05-5 parts by weight of a first initiator, 5-50 parts by weight of a second monomer, 60-150 parts by weight of a third monomer, 0.05-5 parts by weight of a second initiator and 0.01-5 parts by weight of a PH value regulator;
wherein the first monomer is at least one selected from methyl methacrylate, n-butyl methacrylate, isobornyl methacrylate, ethyl methacrylate, isooctyl methacrylate and butyl acrylate;
The second monomer is at least one selected from styrene, vinyl acetate and acrylamide;
the third monomer is selected from perfluorooctyl ethyl methacrylate and/or perfluorohexyl ethyl methacrylate.
9. The coating of claim 8, wherein the alcoholic solvent is selected from at least one of ethanol, isopropanol, and n-butanol.
10. The coating of claim 8, wherein the emulsifier is selected from at least one of octylphenol polyoxyethylene ether, nonylphenol polyoxyethylene ether, sodium dodecylbenzene sulfonate, sodium dodecylsulfonate, sodium lauryl sulfonate.
11. The coating of claim 8, wherein the first initiator and the second initiator are each selected from at least one of ammonium persulfate, sodium persulfate, and potassium persulfate.
12. The coating of claim 8, wherein the PH adjustor is at least one selected from the group consisting of disodium hydrogen phosphate, sodium bicarbonate, and sodium acetate.
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| CN106674416A (en) * | 2015-11-05 | 2017-05-17 | 中昊晨光化工研究院有限公司 | Copolymer emulsion containing fluorinated monomer and synthetic method and application thereof |
| CN106336759A (en) * | 2016-08-24 | 2017-01-18 | 上海颐行高分子材料有限公司 | Aqueous acrylate heat-conduction coating material and preparation method thereof |
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