Antibacterial capsaicin modified acrylic resin as well as preparation method and application thereof

A technology of acrylic resin and capsaicin, applied in coatings, biocide-containing paints, anti-fouling/underwater coatings, etc., can solve the problems of endangering the marine ecological environment and even human health, high efficiency, and long anti-fouling cycle. Achieve the effect of reducing attachment and reproduction ability, high reactivity, and simple preparation method

Pending Publication Date: 2018-07-31
SOUTH CHINA UNIV OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Copolymer TBT paint of tributylene methacrylate was considered to be the most effective antifouling agent, which has a long antifouling cycle and high efficiency, but it has been banned for harming the marine ecological environment and even human health.

Method used

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  • Antibacterial capsaicin modified acrylic resin as well as preparation method and application thereof
  • Antibacterial capsaicin modified acrylic resin as well as preparation method and application thereof
  • Antibacterial capsaicin modified acrylic resin as well as preparation method and application thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0042] Antibacterial capsaicin-modified acrylic resin, the preparation steps are as follows: add 22g butyl acetate to a 250mL four-necked flask equipped with a condenser tube, a stirrer and a thermometer, heat up to 70°C while stirring, and the rotating speed is 200rpm. Add dropwise therein the butyl acetate that is dissolved with 3.5g capsaicin acrylate, 2g acrylic acid, 20g butyl acrylate, 25g methyl methacrylate, 3g styrene and 0.35g azobisisobutyronitrile (as solvent consumption is 20g ) solution, the dropping time is 3h. After dripping, keep warm for 2 hours, then add butyl acetate (4 g as a solvent) solution dissolved with 0.15 g of initiator (azobisisobutyronitrile), keep warm for 2 hours to prepare an acrylate polymer solution. Cool down to below 40°C and discharge. The resulting acrylate polymer solution was added to a large amount of methanol to obtain a solid acrylate polymer. The solution was formed into a film in an evaporating dish and dried for 7 days to obtai...

Embodiment 2

[0049] Antibacterial capsaicin-modified acrylic resin, the preparation steps are as follows: add 22g butyl acetate to a 250mL four-neck flask equipped with a condenser tube, a stirrer and a thermometer, heat up to 75°C while stirring, and the speed is 200rpm. Add dropwise therein the butyl acetate (20g) solution that dissolves 3.5g capsaicin acrylate, 1g acrylic acid, 20g butyl acrylate, 25g methyl methacrylate, 4g styrene and 0.18g azobisisobutyronitrile, drop Adding time is 3h. After dripping, keep warm for 2 hours, then add butyl acetate (4.25 g) solution dissolved with 0.07 g of initiator (azobisisobutyronitrile), keep warm for 3 hours, and obtain an acrylate polymer solution. Cool down to below 40°C and discharge. The resulting acrylate polymer solution was added to a large amount of methanol to obtain a solid acrylate polymer. The solution was formed into a film in an evaporating dish and dried for 7 days to obtain a polymer film.

[0050]The main performance characte...

Embodiment 3

[0056] Antibacterial capsaicin-modified acrylic resin, the preparation steps are as follows: add 22g butyl acetate in a 250mL four-neck flask equipped with a condenser, a stirrer and a thermometer, heat up to 80°C while stirring, and the rotation speed is 200rpm, with a peristaltic pump Add dropwise the butyl acetate (20g) solution that dissolves 2g capsaicin acrylate, 2g acrylic acid, 25g butyl acrylate, 21g methyl methacrylate, 3g styrene and 0.53g azobisisobutyronitrile, dropwise The time is 2h. After dripping, keep warm for 3 hours, then add butyl acetate (4.25 g) solution dissolved with 0.22 g of initiator (azobisisobutyronitrile), keep warm for 2 hours, and obtain an acrylate polymer solution. Cool down to below 40°C and discharge. The resulting acrylate polymer solution was added to a large amount of methanol to obtain a solid acrylate polymer. The solution was formed into a film in an evaporating dish and dried for 7 days to obtain a polymer film.

[0057] The main ...

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PUM

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Abstract

The invention relates to antibacterial capsaicin modified acrylic resin and a preparation method thereof. The antibacterial capsaicin modified acrylic resin is used for preventing and treating the biological pollution of a marine underwater device. The antibacterial capsaicin modified acrylic resin is prepared from a solvent, a monomer and an initiator through solution polymerization, wherein themonomer is a mixture of capsaicin acrylate, acrylic acid, butyl acrylate, methyl methacrylate and styrene. According to the preparation method, the average molecular weight of a polymer is influencedthrough controlling the changes of the factors of a polymerization temperature, an initiator concentration, a monomer concentration, a reaction time, and the like. The number-average molecular weightof the synthesized polymer is between 20,000 and 50,000, and the acrylic resin synthesized by the preparation method has quite good capacity of inhibiting a bacterium and a fungus, further, can be used for effectively preventing an animal, a plant and a microbe in water from adhering to the acrylic resin, and has a wide application prospect in the aspect of marine pollution prevention.

Description

technical field [0001] The invention relates to the field of acrylic resin and marine antifouling paint, in particular to an antibacterial capsaicin-modified acrylic resin and its preparation method and application. Background technique [0002] With the development of the marine industry, the material and economic losses caused by marine biofouling of marine underwater facilities and ships cannot be underestimated, and the issue of marine antifouling is getting more and more attention. From ancient times to the present, there are many kinds of marine antifouling, and the most widely used one is the coating with antifouling properties. Copolymer TBT paint of tributylene methacrylate was considered to be the most effective antifouling agent, with long antifouling period and high efficiency, but it was banned for harming the marine ecological environment and even human health. Therefore, the development of highly efficient, non-toxic and environmentally friendly antifouling c...

Claims

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Application Information

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IPC IPC(8): C08F220/14C08F220/18C08F212/08C08F220/06C08F220/36C08F2/06C09D133/12C09D133/08C09D5/16
CPCC09D133/08C09D133/12C08F2/06C08F220/14C08F220/18C09D5/1668C08F220/1804C08F212/08C08F220/06C08F220/36
Inventor 蔡琰胡剑峰鄢瑛瞿金清
Owner SOUTH CHINA UNIV OF TECH
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