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Preparation method and application of antibacterial nano graphene oxide inclusion TiO2 acrylic resin

A nano-graphite oxide, acrylic resin technology, used in coatings, biocide-containing paints, antifouling/underwater coatings, etc., can solve the problems of low gloss, poor gloss retention, and insufficient fullness of paint films. , to achieve the effect of not polluting the environment, strong practicality, excellent light resistance and weather resistance

Inactive Publication Date: 2021-02-12
QINGYUAN HAOYU CHEM TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] Aiming at the deficiencies in the prior art, the present invention provides a preparation method and application of an antibacterial nano-graphene oxide inclusion TiO2 acrylic resin, which solves the lack of good antibacterial effect of the existing acrylic resin used in automotive coatings and its application coatings, The glossiness of the paint film is not high, the fullness is insufficient, and the gloss retention rate is poor

Method used

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  • Preparation method and application of antibacterial nano graphene oxide inclusion TiO2 acrylic resin
  • Preparation method and application of antibacterial nano graphene oxide inclusion TiO2 acrylic resin
  • Preparation method and application of antibacterial nano graphene oxide inclusion TiO2 acrylic resin

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Embodiment 1

[0029] see figure 1 , the present invention provides the following technical scheme: a kind of antibacterial nanometer graphene oxide clathrate TiO Acrylic resin preparation method, this preparation method comprises the following steps:

[0030]Step S1: Add 90 parts by weight of water and 3 parts by weight of TiO to the reactor at one time, disperse for 20 minutes under 800W ultrasonic conditions, and then add 50 parts by weight of polydiethylene dimethyl propyl ammonium chloride (PDDA), Continue to stir for 3h, obtain the TiO that PDDA processes Nano particle slurry;

[0031] Step S2: Treat the PDDA-treated TiO2 nanoparticle slurry with dynamic ultra-high pressure micro-jet technology, the treatment pressure is 160 MPa, the number of treatments is 3 times, and the temperature is normal temperature to obtain a highly dispersed TiO2 nanoparticle slurry;

[0032] Step S3: Spray and embed the high-speed dispersed TiO2 nanoparticle slurry, one-step spraying is graphene oxide, its...

Embodiment 2

[0041] see figure 1 , the present invention provides the following technical scheme: a kind of antibacterial nanometer graphene oxide clathrate TiO Acrylic resin preparation method, this preparation method comprises the following steps:

[0042] Step S1: Add 95 parts by weight of water and 2 parts by weight of TiO to the reactor at one time, disperse for 20 minutes under 600W ultrasonic conditions, and then add 50 parts by weight of polydiethylene dimethyl propyl ammonium chloride (PDDA), Continue to stir for 3h, obtain the TiO that PDDA processes Nano particle slurry;

[0043] Step S2: Treat the PDDA-treated TiO2 nanoparticle slurry with dynamic ultra-high pressure micro-jet technology, the treatment pressure is 180 MPa, the number of treatments is 4 times, and the temperature is normal temperature to obtain a highly dispersed TiO2 nanoparticle slurry;

[0044] Step S3: Spray and embed the high-speed dispersed TiO2 nanoparticle slurry, one-step spraying is graphene oxide, it...

Embodiment 3

[0053] see figure 1 , the present invention provides the following technical scheme: a kind of antibacterial nanometer graphene oxide clathrate TiO Acrylic resin preparation method, this preparation method comprises the following steps:

[0054] Step S1: Add 92 parts by weight of water and 3 parts by weight of TiO to the reactor at one time, disperse for 18 minutes under 700W ultrasonic conditions, and then add 50 parts by weight of polydiethylene dimethyl propyl ammonium chloride (PDDA), Continue to stir for 3h, obtain the TiO that PDDA processes Nano particle slurry;

[0055] Step S2: Treat the PDDA-treated TiO2 nanoparticle slurry with dynamic ultra-high pressure micro-jet technology, the treatment pressure is 170 MPa, the number of treatments is 3 times, and the temperature is normal temperature to obtain a highly dispersed TiO2 nanoparticle slurry;

[0056] Step S3: Spray and embed the high-speed dispersed TiO2 nanoparticle slurry, one-step spraying is graphene oxide, it...

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Abstract

The invention belongs to the technical field of environment-friendly resin automobile coatings, and particularly relates to a preparation method and application of antibacterial nano graphene oxide included TiO2 acrylic resin. The preparation method comprises the following steps: S1, preparing TiO2 nanoparticle slurry treated by PDDA; S2, preparing highly dispersed TiO2 nano particle slurry; S3, carrying out spray embedding on the TiO2 nanoparticle slurry dispersed at a high speed to prepare double-layer core-shell embedded TiO2 nanoparticles; S4, preparing an acrylic resin system; and S5, preparing the antibacterial nano graphene oxide inclusion TiO2 acrylic resin material. According to the invention, agglomeration of TiO2 is effectively prevented, the specific surface area of TiO2 is increased, nano iron oxide is uniformly distributed on the surface of an acrylic resin coating by utilizing the high dispersion performance of graphene oxide and amino acid, the flexibility and adhesiveforce of acrylic resin in the film forming process are effectively improved, the impact resistance is improved, and the photocatalytic sterilization efficiency of acrylic resin is improved.

Description

technical field [0001] The invention relates to the technical field of environment-friendly resin automotive coatings, in particular to a preparation method and application of an antibacterial nano-graphene oxide inclusion TiO2 acrylic resin. Background technique [0002] In recent years, with the continuous development of nanotechnology, the advent of nanomaterials with stable performance has opened up a new way for the preparation of high-performance polymers, in which nano-TiO2 has very good ultraviolet light holes ~ TiO2 adsorption compound sterilization Effect, on the one hand, it can produce special properties such as surface effect, volume effect, quantum effect and macroscopic tunnel effect. Under the irradiation of ultraviolet light or visible light, nano-TiO2 can decompose freely moving negatively charged electrons in water and air. At the same time, positively charged holes are left. This hole effect can produce active oxygen with strong chemical activity and reac...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D133/14C09D5/14C09D7/62C08F220/26C08F222/16C08F220/28C08F2/44C08K9/10C08K3/22
CPCC08F2/44C08F220/26C08K3/22C08K9/10C08K2003/2241C08K2201/01C08K2201/011C09D5/14C09D133/14C09D7/62C08F222/16C08F220/281
Inventor 郭逍遥王辉赵果汤汉良郭伟杰蔡志军赖浩城
Owner QINGYUAN HAOYU CHEM TECH
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