UV-curable antibacterial anti-static hardened resin and synthetic method thereof

文档序号:237184 发布日期:2021-11-12 浏览:3次 中文

阅读说明:本技术 可uv固化的抗菌防静电加硬树脂及其合成方法 (UV-curable antibacterial anti-static hardened resin and synthetic method thereof ) 是由 金国华 于 2021-05-19 设计创作,主要内容包括:本发明公开了一种可UV固化的抗菌防静电加硬树脂及其合成方法,S1、将甲基丙烯酸缩水甘油酯与分别与带羧基金属钛菁锌、带羟基金属钛菁锌和带氨基金属钛菁锌反应;S2、三口烧瓶中加入第一树脂、第二树脂或第三脂中的任意一种加入聚氨酯丙烯酸酯、甲基异丁酮、丁酮搅拌,冷却,依次加入光引发剂、流平剂、爽滑剂、AF表面防油污助剂,搅拌,搅拌停止后静置消泡制得光固化涂液;S3、采用线棒在涂层膜膜内涂层面上水平匀速拉膜,将涂布好抗菌涂层的膜放入的烘箱中加热,放入UV灯下光固化,得UV光固化加硬涂层。本发明用UV固化的杀菌防静电防指纹树脂材料制成的涂层均具有快速的超强杀菌能力和防静电能力,同时具有永久性,具有很好的耐磨性。(The invention discloses a UV-curable antibacterial antistatic hardened resin and a synthesis method thereof, S1, reacting glycidyl methacrylate with metal phthalocyanine zinc with carboxyl, metal phthalocyanine zinc with hydroxyl and metal phthalocyanine zinc with amino respectively; s2, adding any one of first resin, second resin or third grease into a three-neck flask, adding urethane acrylate, methyl isobutyl ketone and butanone, stirring, cooling, sequentially adding a photoinitiator, a leveling agent, a slipping agent and an AF surface oil stain-proofing auxiliary agent, stirring, standing and defoaming after stirring is stopped to obtain a photocuring coating liquid; s3, horizontally drawing the film on the inner coating surface of the coating film at a constant speed by using a wire rod, heating the film coated with the antibacterial coating in a drying oven, and placing the film under a UV lamp for photocuring to obtain the UV photocuring hardened coating. The coating prepared from the UV-cured sterilization anti-static anti-fingerprint resin material has the advantages of rapid and super-strong sterilization capability and anti-static capability, and meanwhile, the coating has permanence and good wear resistance.)

1. A UV-curable antibacterial antistatic hardened resin and a synthesis method thereof are characterized in that the synthesis method comprises the following steps:

s1, reacting glycidyl methacrylate with metal phthalocyanine zinc with carboxyl, metal phthalocyanine zinc with hydroxyl and metal phthalocyanine zinc with amino to respectively obtain three different resins, namely a first resin, a second resin and a third resin;

s2, adding 5-7g of any one of first resin, second resin or third resin into a three-neck flask, adding 34-40g of urethane acrylate, 35-44g of methyl isobutyl ketone and 15-20g of butanone, stirring at 80-88 ℃ and at a stirring speed of 200-;

s3, coating the photocuring coating liquid prepared in the step S2 on the surface of the transparent base material layer of the PET base material film, horizontally drawing the film on the inner coating layer surface of the coating film at a constant speed by using a wire rod, heating the film coated with the antibacterial coating in an oven at the temperature of 140-150 ℃ for 110S, and carrying out photocuring under a UV lamp for 10-13S to obtain the UV photocuring hardened coating.

2. The UV-curable antibacterial and antistatic hardened resin and the synthesis method thereof according to claim 1, wherein the synthesis method of carboxyl-containing metal phthalocyanine zinc in S1 comprises the following steps:

s111, mixing 8-10g of trimellitic anhydride, 14-16g of urea, 2-3g of zinc chloride and 0.1-0.2g of ammonium molybdate, uniformly grinding in a mortar, transferring to a beaker, heating in an oven to 130-150 ℃, keeping constant for 2-6 minutes, raising the temperature of the system to 185-200 ℃ after the bubbling phenomenon stops, and reacting at constant temperature for 4-5 hours to obtain a gray black solid;

s112, taking out the gray black solid in the S111, smashing, adding the gray black solid into 250ml of 1mol/L hydrochloric acid/sodium chloride saturated solution, slightly boiling, cooling, filtering and drying;

s113, adding the S112 into 500ml of 2mol/L sodium hydroxide solution, adding 200-220g of salt crystals, heating to 88-92 ℃, cooling the solution, pouring the cooled solution into 1000ml of distilled water, filtering out insoluble substances, adjusting the solution to pH2-2.4 by using hydrochloric acid solution, standing, precipitating, centrifugally separating, collecting, drying, repeating for 2-3 times, and drying in vacuum to obtain the tetracarboxyl metal phthalocyanine complex with constant weight.

3. The UV-curable antibacterial antistatic hardened resin and the synthesis method thereof according to claim 1, wherein the synthesis method of the hydroxyl-bearing metal phthalocyanine zinc in S1 comprises the following steps:

s121, adding 36-40g of metal phthalocyanine with carboxyl into a three-neck flask provided with a spherical condenser tube, a dropping funnel and a magnetic stirrer, stirring at 20-30 ℃ while dropping 10-14g of sodium borohydride serving as a reinforcing reducing agent, adding 76-80g of tetrahydrofuran serving as a solvent, after dropping, gradually heating to 54-60 ℃, continuing stirring for 4-6 hours, cooling by adopting an ice bath after the reaction is finished, finally dropping distilled water serving as a quenching reducing agent until particles are generated, and stopping dropping;

and S122, continuously stirring, filtering, separating liquid, and distilling under reduced pressure to obtain the hydroxyl-containing metal phthalocyanine resin.

4. The UV curable antibacterial antistatic hardened resin and the synthesis method thereof according to claim 1, wherein the synthesis method of the amino-bearing metal phthalocyanine zinc in S1 comprises the following steps:

s131, synthesizing a tetranitro metal phthalocyanine complex by adopting nitrile, an acetic acid metal compound and a solvent;

s132, carrying out reduction reaction on the tetranitro metal phthalocyanine complex by using metal sulfide to obtain the tetraamino metal phthalocyanine complex.

5. The UV-curable antibacterial antistatic hardened resin and its synthesis method according to claim 3, characterized in that said carboxyl group-containing metal phthalocyanine is a tetracarboxylic phthalocyanine complex synthesized from trimellitic anhydride, metal chloride, urea.

6. The UV curable antibacterial antistatic hardened resin and the synthesis method thereof according to claim 4, wherein the nitrile is 4-nitrophthalonitrile, the metal acetate compound is zinc acetate and silver acetate, and the solvent is any one of N, N-dimethylethanolamine, N-dimethylformamide and alcohol solvents.

7. The UV-curable antibacterial antistatic hardened resin and its synthesis method according to claim 4, characterized in that the metal sulfide is any one of sodium sulfide, potassium sulfide, magnesium sulfide, calcium sulfide and lithium sulfide.

Technical Field

The invention relates to the technical field of resin synthesis, in particular to UV-curable antibacterial antistatic hardened resin and a synthesis method thereof.

Background

The coating is a liquid or solid material which is coated on the surface of an object and forms a film with protection, decoration or other special functions under certain conditions. There are many methods for classifying paints, and they can be classified into architectural paints, industrial paints, household paints, auxiliary paints, and the like according to their functions and uses. With the progress of science and technology and the development of urbanization, medical and living appliances are more and more emphasized by people. The UV coating is a common medical and living appliance coating and is mainly used for protecting the surface of a building. The UV coating can be coated by methods such as dip coating, curtain coating, paint coating, spin coating, even vacuum coating and the like, and then is cured into a film by ultraviolet photon irradiation, and the UV coating has the advantages of high curing speed, production efficiency improvement, energy conservation, no environmental pollution, wide application range and the like in use.

Although the existing UV light-cured coating has strong practicability, the existing UV light-cured coating still has defects in the using process of the application fields of surfaces of medical stainless steel devices, surfaces of display screens of various electronic products, UV hardened layers of protective films for protecting the display screens, surfaces of kitchen marbles and the like, and the existing coating has low antibacterial property and poor antistatic capability in the application thereof, and particularly has antibacterial requirements in the application fields. Therefore, how to provide a UV-curable antibacterial antistatic hardened resin and a synthetic method thereof are problems to be solved by those skilled in the art.

Disclosure of Invention

The present invention is directed to solving, at least to some extent, one of the technical problems in the related art. Therefore, the invention aims to provide UV-curable antibacterial anti-static hardened resin and a synthesis method thereof, and the coating made of the UV-curable antibacterial anti-static anti-fingerprint resin material has fast and super-strong sterilizing capability and anti-static capability, and simultaneously has permanence and good wear resistance.

According to the UV-curable antibacterial antistatic hardened resin and the synthesis method thereof, the synthesis method comprises the following steps:

s1, reacting glycidyl methacrylate with metal phthalocyanine zinc with carboxyl, metal phthalocyanine zinc with hydroxyl and metal phthalocyanine zinc with amino to respectively obtain three different resins, namely a first resin, a second resin and a third resin;

s2, adding 5-7g of any one of first resin, second resin or third resin into a three-neck flask, adding 34-40g of urethane acrylate, 35-44g of methyl isobutyl ketone and 15-20g of butanone, stirring at 80-88 ℃ and at a stirring speed of 200-;

s3, coating the photocuring coating liquid prepared in the step S2 on the surface of the transparent base material layer of the PET base material film, horizontally drawing the film on the inner coating layer surface of the coating film at a constant speed by using a wire rod, heating the film coated with the antibacterial coating in an oven at the temperature of 140-150 ℃ for 110S, and carrying out photocuring under a UV lamp for 10-13S to obtain the UV photocuring hardened coating.

Preferably, the method for synthesizing carboxyl-containing zinc metallocyanine in S1 includes the following steps:

s111, mixing 8-10g of trimellitic anhydride, 14-16g of urea, 2-3g of zinc chloride and 0.1-0.2g of ammonium molybdate, uniformly grinding in a mortar, transferring to a beaker, heating in an oven to 130-150 ℃, keeping constant for 2-6 minutes, raising the temperature of the system to 185-200 ℃ after the bubbling phenomenon stops, and reacting at constant temperature for 4-5 hours to obtain a gray black solid;

s112, taking out the gray black solid in the S111, smashing, adding the gray black solid into 250ml of 1mol/L hydrochloric acid/sodium chloride saturated solution, slightly boiling, cooling, filtering and drying;

s113, adding the S112 into 500ml of 2mol/L sodium hydroxide solution, adding 200-220g of salt crystals, heating to 88-92 ℃, cooling the solution, pouring the cooled solution into 1000ml of distilled water, filtering out insoluble substances, adjusting the solution to pH2-2.4 by using hydrochloric acid solution, standing, precipitating, centrifugally separating, collecting, drying, repeating for 2-3 times, and drying in vacuum to obtain the tetracarboxyl metal phthalocyanine complex with constant weight.

Preferably, the method for synthesizing the zinc phthalocyanine with hydroxyl in S1 includes the following steps:

s121, adding 36-40g of metal phthalocyanine with carboxyl into a three-neck flask provided with a spherical condenser tube, a dropping funnel and a magnetic stirrer, stirring at 20-30 ℃ while dropping 10-14g of sodium borohydride serving as a reinforcing reducing agent, adding 76-80g of tetrahydrofuran serving as a solvent, after dropping, gradually heating to 54-60 ℃, continuing stirring for 4-6 hours, cooling by adopting an ice bath after the reaction is finished, finally dropping distilled water serving as a quenching reducing agent until particles are generated, and stopping dropping;

and S122, continuously stirring, filtering, separating liquid, and distilling under reduced pressure to obtain the hydroxyl-containing metal phthalocyanine resin.

Preferably, the method for synthesizing zinc phthalocyanine with amino group in S1 includes the following steps:

s131, synthesizing a tetranitro metal phthalocyanine complex by adopting nitrile, an acetic acid metal compound and a solvent;

s132, carrying out reduction reaction on the tetranitro metal phthalocyanine complex by using metal sulfide to obtain the tetraamino metal phthalocyanine complex.

Preferably, the carboxyl-containing metal phthalocyanine is synthesized into a tetracarboxyl metal phthalocyanine complex by adopting trimellitic anhydride, metal chloride and urea.

Preferably, the nitrile is 4-nitrophthalonitrile, the metal acetate compound is zinc acetate and silver acetate, and the solvent is any one of N, N-dimethylethanolamine, N-dimethylformamide and an alcohol solvent.

Preferably, the metal sulfide is any one of sodium sulfide, potassium sulfide, magnesium sulfide, calcium sulfide and lithium sulfide.

Compared with the prior art, the invention has the beneficial effects that:

the coating prepared from the UV-cured sterilization anti-static anti-fingerprint resin material has the advantages of rapid and super-strong sterilization capability and anti-static capability, permanence and good wear resistance, can be well applied to coating treatment of the surface of a display window or screen glass, and is also suitable for surface coating treatment of stainless steel for medical use, kitchen marble and the like.

Detailed Description

Example 1:

a UV-curable antibacterial antistatic hardened resin and a synthetic method thereof are disclosed, wherein the synthetic method comprises the following steps:

s1, reacting glycidyl methacrylate with metal phthalocyanine zinc with carboxyl, metal phthalocyanine zinc with hydroxyl and metal phthalocyanine zinc with amino to respectively obtain three different resins, namely a first resin, a second resin and a third resin;

the glycidyl methacrylate molecule contains an epoxy group (a functional group with a-CH (O) CH-structure), the epoxy group is easy to open a ring (under the condition of an alkaline compound and KOH, the heating temperature is 100 ℃)) to react with carboxyl, hydroxyl and amino for grafting, so that the metal phthalocyanine complex with the antibacterial effect is grafted on the glycidyl methacrylate; then, the glycidyl methacrylate has double bonds carried by acrylic acid, and the existence of the double bonds can easily carry out UV photocuring polymerization reaction.

The synthesis of glycidyl methacrylate usually employs a one-step phase transfer method. The one-step method is simple to operate and short in reaction time, but requires the whole reaction system to be anhydrous, has high requirements on the purity of sodium salt, and has the defects of excessive consumption of epichlorohydrin and complicated subsequent treatment. The one-step method is that methacrylic acid and sodium hydroxide or sodium carbonate are subjected to acid-base neutralization reaction in an organic solvent to prepare sodium methacrylate, the sodium methacrylate is dried and then is dehydrated and reacted with propylene oxide according to a certain proportion under the condition of existence of a phase transfer catalyst, and a glycidyl methacrylate product is obtained after reduced pressure distillation and water washing.

The reaction equation for the one-step process is as follows:

the carboxyl-containing metal phthalocyanine complex is synthesized by trimellitic anhydride, metal chloride, urea and other materials to obtain a tetracarboxyl-containing metal phthalocyanine complex, and the synthesis method of the carboxyl-containing metal phthalocyanine zinc comprises the following steps:

s111, mixing 10g of trimellitic acid, 16g of urea, 3g of zinc chloride and 0.2g of ammonium molybdate, uniformly grinding in a mortar, transferring to a beaker, heating in an oven to 150 ℃, keeping the temperature constant for 6 minutes, raising the temperature of the system to 200 ℃ after the bubbling phenomenon stops, and reacting at constant temperature for 5 hours to obtain a gray black solid;

s112, taking out the gray black solid in the S111, smashing, adding the gray black solid into 250ml of 1mol/L hydrochloric acid/sodium chloride saturated solution, slightly boiling, cooling, filtering and drying;

s113, adding the solution in the step S112 into 500ml of 2mol/L sodium hydroxide solution, adding 220g of salt crystals, heating to 92 ℃, cooling the solution, pouring the cooled solution into 1000ml of distilled water, filtering out insoluble substances, adjusting the solution to pH2.4 by using hydrochloric acid solution, standing, precipitating, centrifugally separating, collecting, drying, repeating for 3 times, and drying in vacuum to obtain 4.49g of a product with the constant weight, wherein the yield is 52.1%, and the reaction equation is as follows:

the metal phthalocyanine with hydroxyl can be prepared by the following method for reducing the metal phthalocyanine with carboxyl by using a strong reducing agent sodium borohydride, and the method for synthesizing the metal phthalocyanine with hydroxyl comprises the following steps:

s121, adding 40g of metal phthalocyanine with carboxyl into a three-neck flask provided with a spherical condenser pipe, a dropping funnel and a magnetic stirrer, dropping 14g of sodium borohydride serving as a reinforced reducing agent while stirring at the temperature of 30 ℃, adding 80g of tetrahydrofuran serving as a solvent, gradually heating to 60 ℃ after the dropping is finished, continuing stirring for 6 hours, cooling by adopting an ice bath after the reaction is finished, finally dropping distilled water serving as a quenching reducing agent until particles are generated, and stopping the dropping;

the carboxyl-containing metal phthalocyanine is synthesized into a tetracarboxyl metal phthalocyanine complex by adopting trimellitic anhydride, metal chloride and urea, and in the embodiment, Zn is preferably used as the metal.

And S122, continuously stirring, filtering, separating liquid, and distilling under reduced pressure to obtain the hydroxyl-containing metal phthalocyanine resin.

The synthesis method of the zinc phthalocyanine with the amino group comprises the following steps:

s131, synthesizing a tetranitro metal phthalocyanine complex by adopting nitrile, an acetic acid metal compound and a solvent;

the nitrile is 4-nitrophthalonitrile, the acetic acid metal compound is zinc acetate and silver acetate, and the solvent is any one of N, N-dimethylethanolamine, N-dimethylformamide and an alcohol solvent, preferably glycol.

S132, carrying out reduction reaction on the tetranitro metal phthalocyanine complex by using metal sulfide to obtain the tetraamino metal phthalocyanine complex.

The synthesis scheme is that the tetra-nitro metal phthalocyanine complex obtained by the synthesis scheme is subjected to metal sulfide reduction reaction to obtain the tetra-amino metal phthalocyanine complex, and the yield is over 85 percent.

The metal sulfide of the synthesis scheme of the amino metal phthalocyanine complex can specifically comprise sodium sulfide, potassium sulfide, magnesium sulfide, calcium sulfide and lithium sulfide, and the metal sulfide is determined and selected according to the value of molecular weight, so that the principle is that the metal atomic weight of the metal sulfide is smaller than the atomic weight of the central metal of the metal phthalocyanine complex, and the larger the difference is, the more favorable the reduction is. Preferred in the present invention are sodium sulfide and potassium sulfide, and more preferred is sodium sulfide. The solvent for synthesizing the amino metal phthalocyanine complex is N, N-dimethylethanolamine and N, N-dimethylformamide.

S2, adding 7g of first resin into a three-neck flask, adding 40g of urethane acrylate, 44g of methyl isobutyl ketone and 20g of butanone, stirring at 88 ℃ and a stirring speed of 220r/min for 8h, cooling to 30 ℃, sequentially adding 10g of photoinitiator, 0.4g of leveling agent, 0.5g of slipping agent and 0.8g of AF surface oil stain-proofing auxiliary agent, stirring at 35 ℃, a stirring speed of 240r/min, stirring for 7h, standing and defoaming after stirring is stopped to obtain a photocuring coating liquid;

s3, coating the photocuring coating liquid prepared in the step S2 on the surface of a transparent base material layer of a PET base material film, horizontally drawing the film on the inner coating layer surface of the coating film at a constant speed by using a wire rod, heating the film coated with the antibacterial coating in an oven at 150 ℃ for 110S, and performing photocuring under a UV lamp for 13S to obtain the UV photocuring hardened coating.

Example 2:

a UV-curable antibacterial antistatic hardened resin and a synthetic method thereof are disclosed, wherein the synthetic method comprises the following steps:

s1, reacting glycidyl methacrylate with metal phthalocyanine zinc with carboxyl, metal phthalocyanine zinc with hydroxyl and metal phthalocyanine zinc with amino to respectively obtain three different resins, namely a first resin, a second resin and a third resin;

the method for synthesizing the carboxyl-containing metal phthalocyanine zinc comprises the following steps:

s111, mixing 8g of trimellitic anhydride, 14g of urea, 2g of zinc chloride and 0.1g of ammonium molybdate, uniformly grinding in a mortar, transferring to a beaker, heating in an oven to 130 ℃, keeping the temperature constant for 2 minutes, raising the temperature of the system to 185 ℃ after the bubbling phenomenon stops, and reacting at constant temperature for 4 hours to obtain a gray black solid;

s112, taking out the gray black solid in the S111, smashing, adding the gray black solid into 250ml of 1mol/L hydrochloric acid/sodium chloride saturated solution, slightly boiling, cooling, filtering and drying;

s113, adding the solution S112 into 500ml of 2mol/L sodium hydroxide solution, adding 200g of salt crystals, heating to 88 ℃, cooling the solution, pouring the cooled solution into 1000ml of distilled water, filtering out insoluble substances, adjusting the solution to pH2 by using hydrochloric acid solution, standing, precipitating, centrifugally separating, collecting, drying, repeating for 2 times, and drying in vacuum to obtain the tetracarboxyl metal phthalocyanine complex with constant weight.

The method for synthesizing the hydroxyl-bearing metal phthalocyanine zinc comprises the following steps:

s121, adding 36g of metal phthalocyanine with carboxyl into a three-neck flask provided with a spherical condenser pipe, a dropping funnel and a magnetic stirrer, dropping 10g of sodium borohydride serving as a reinforced reducing agent while stirring at the temperature of 20 ℃, adding 76g of tetrahydrofuran serving as a solvent, gradually heating to 54 ℃ after the dropping is finished, continuing stirring for 4 hours, cooling by adopting an ice bath after the reaction is finished, finally dropping distilled water serving as a quenching reducing agent until particles are generated, and stopping the dropping;

and S122, continuously stirring, filtering, separating liquid, and distilling under reduced pressure to obtain the hydroxyl-containing metal phthalocyanine resin.

S2, adding 5g of second resin into a three-neck flask, adding 34g of urethane acrylate, 35g of methyl isobutyl ketone and 15g of butanone, stirring at 80 ℃ at a stirring speed of 200r/min for 6h, cooling to 20 ℃, sequentially adding 5g of photoinitiator, 0.2-0.4g of flatting agent, 0.3g of slipping agent and 0.5g of AF surface oil stain-proofing auxiliary agent, stirring at 25 ℃ at a stirring speed of 200r/min for 6h, standing for defoaming after stirring is stopped to obtain photocuring coating liquid;

s3, coating the photocuring coating liquid prepared in the step S2 on the surface of a transparent base material layer of a PET base material film, horizontally drawing the film on the inner coating layer surface of the coating film at a constant speed by using a wire rod, heating the film coated with the antibacterial coating in an oven at 140 ℃ for 100S, and photocuring the film under a UV lamp for 10S to obtain the UV photocuring hardened coating.

Example 3:

a UV-curable antibacterial antistatic hardened resin and a synthetic method thereof are disclosed, wherein the synthetic method comprises the following steps:

s1, reacting glycidyl methacrylate with metal phthalocyanine zinc with carboxyl, metal phthalocyanine zinc with hydroxyl and metal phthalocyanine zinc with amino to respectively obtain three different resins, namely a first resin, a second resin and a third resin;

the method for synthesizing the carboxyl-containing metal phthalocyanine zinc comprises the following steps:

s111, mixing 8.45g of trimellitic anhydride, 15g of urea, 2.1g of zinc chloride and 0.113g of ammonium molybdate, uniformly grinding the mixture in a mortar, transferring the mixture into a 500ml beaker, sleeving a 2000ml beaker, covering the mouth of the beaker with a watch glass, placing the beaker in an oven, heating the beaker to 130 ℃, keeping the temperature constant for 4 minutes, raising the temperature of the system to 185 ℃ after the bubbling phenomenon stops, and reacting at constant temperature for 4 hours to obtain a gray black solid;

s112, taking out the gray black solid in the S111, smashing, adding the gray black solid into 250ml of 1mol/L hydrochloric acid/sodium chloride saturated solution, slightly boiling, cooling, filtering and drying;

s113, adding the solution S112 into 500ml of 2mol/L sodium hydroxide solution, adding 210g of salt crystals, heating to 90 ℃, cooling the solution, pouring the cooled solution into 1000ml of distilled water, filtering out insoluble substances, adjusting the solution to pH2.2 by using hydrochloric acid solution, standing, precipitating, centrifugally separating, collecting, drying, repeating for 3 times, and drying in vacuum to obtain the tetracarboxyl metal phthalocyanine complex with constant weight.

The method for synthesizing the hydroxyl-bearing metal phthalocyanine zinc comprises the following steps:

s121, adding 38g of metal phthalocyanine with carboxyl into a three-neck flask provided with a spherical condenser pipe, a dropping funnel and a magnetic stirrer, dropping 12g of sodium borohydride as a reinforced reducing agent while stirring at 25 ℃, adding 78g of tetrahydrofuran as a solvent, gradually heating to 56 ℃ after dropping, continuing stirring for 5 hours, cooling by adopting an ice bath after reaction is finished, finally dropping distilled water as a quenching reducing agent until particles are generated, and stopping dropping;

and S122, continuously stirring, filtering, separating liquid, and distilling under reduced pressure to obtain the hydroxyl-containing metal phthalocyanine resin.

S2, adding 6g of third resin into a three-neck flask, adding 36g of urethane acrylate, 40g of methyl isobutyl ketone and 18g of butanone, stirring at 84 ℃ and a stirring speed of 210r/min for 7h, cooling to 22 ℃, sequentially adding 8g of photoinitiator, 0.215g of leveling agent, 0.344g of slipping agent and 0.6g of AF surface oil stain-proofing auxiliary agent, stirring at 28 ℃, a stirring speed of 220r/min, stirring for 7.5h, standing and defoaming after stirring is stopped to obtain a photocuring coating liquid;

s3, coating the photocuring coating liquid prepared in the step S2 on the surface of a transparent base material layer of a PET base material film, horizontally drawing the film on the inner coating layer surface of the coating film at a constant speed by using a wire rod, heating the film coated with the antibacterial coating in an oven at 145 ℃ for 105S, and performing photocuring for 12S under a UV lamp to obtain the UV photocuring hardened coating.

In the above embodiments 1 to 3, embodiment 1 is a preferred embodiment, and the antibacterial performance of the product of the coating made of the UV-curable antibacterial anti-static anti-fingerprint resin material obtained in the above embodiment 3 is tested according to international standard GB4789.2-2016, and the testing method comprises the following steps:

A. taking a sample of the example protective film with the size of 2cm multiplied by 3cm and a control sample;

B. weighing 3.3g agar, dissolving in 100ml water, pouring into conical flask, placing into autoclave, and sterilizing at 120 deg.C under 103kPa for 15 min;

C. dipping a small amount of escherichia coli by using an inoculating loop into a test tube containing 25mLPBS, and shaking up;

D. respectively transferring 0.12mL of the bacterial liquid from the bacterial liquid into a plurality of test tubes containing 25mLPBS, simultaneously putting the corresponding protective film sample and the corresponding control sample of the embodiment into the test tubes, shaking up, and standing for 20 min;

E. respectively sucking the 0.12mL of the bacterial liquid, placing the bacterial liquid in a flat culture dish, pouring 10mL of nutrient agar culture medium cooled to 40-45 ℃, rotating the flat dish to ensure that the bacterial liquid is fully and uniformly mixed, turning over the flat plate after agar is solidified, culturing for 48 hours at 35 +/-2 ℃ and counting viable bacteria colonies.

The data are obtained as follows:

content (%) of antibacterial resin (XL-01) Antibacterial ratio (%)
5 96.2
10 97.6
15 98.1
20 98.7

Meanwhile, the coating prepared from the UV-cured sterilization anti-static anti-fingerprint resin material produced in the embodiment is subjected to surface water drop angle, resistance value, anti-static (friction voltage) and wear resistance value detection at the humidity of 55% and the temperature of 25 ℃, so that the following data are obtained;

specific test data for this coating:

the coating prepared from the UV-cured sterilization anti-static anti-fingerprint resin material has the advantages of rapid and super-strong sterilization capability and anti-static capability, permanence and good wear resistance, can be well applied to coating treatment of the surface of a display window or screen glass, and is also suitable for surface coating treatment of stainless steel for medical use, kitchen marble and the like.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.

10页详细技术资料下载
上一篇:一种医用注射器针头装配设备
下一篇:单组分聚氨酯防水涂料及其制备方法

网友询问留言

已有0条留言

还没有人留言评论。精彩留言会获得点赞!

精彩留言,会给你点赞!