P-chloromethylstyrene/acrylic resin-grafted methylpyridinium nicotinate and novel marine antifouling coating prepared therefrom

A technology of nicotinic acid methyl pyridinium salt and chloromethyl styrene, which is applied in the field of new marine antifouling coatings, can solve the problems of slow enrichment and marine biological hazards, improve bactericidal activity, improve hydrophilicity, and avoid the occurrence of winding effect

Active Publication Date: 2018-10-02
ZHEJIANG MARINE DEV RES INST
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, more and more studies have shown that even though copper ions are less toxic, they will still slowly accumulate in marine organisms and eventually cause great harm to marine organisms

Method used

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  • P-chloromethylstyrene/acrylic resin-grafted methylpyridinium nicotinate and novel marine antifouling coating prepared therefrom
  • P-chloromethylstyrene/acrylic resin-grafted methylpyridinium nicotinate and novel marine antifouling coating prepared therefrom
  • P-chloromethylstyrene/acrylic resin-grafted methylpyridinium nicotinate and novel marine antifouling coating prepared therefrom

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0039] p-Chloromethylstyrene / Butyl Methacrylate Grafted Methyl Nicotinate Pyridinium Salt

[0040] The reaction material charging capacity is shown in Table 1, and the preparation method comprises the following three steps:

[0041] (1) Add 1 / 3 of the recipe amount of azobisisobutyronitrile, and the recipe amount of isooctyl mercaptopropionate, p-xylene and o-dichlorobenzene into the reaction vessel, mix and heat up to 100°C to obtain a mixture Liquid I;

[0042] (2) Weighing p-chloromethylstyrene, butyl methacrylate, benzoyl peroxide and 1 / 3 of the formula amount of azoisobutylcyanoformamide and 2 / 3 of the formula amount of azo Diisobutyronitrile, after mixing, use a constant pressure dropping funnel to drop into the mixed solution I at a constant speed for 3 hours, raise the temperature to 120°C, and keep it warm for 1 hour to obtain the mixed solution II;

[0043] (3) Cool the mixed solution II to 45°C, then add 2 / 3 of the recipe amount of azoisobutylcyanoformamide and th...

Embodiment 2

[0047] p-Chloromethylstyrene / butyl methacrylate, isobornyl methacrylate grafted with methyl nicotinate pyridinium salt

[0048] The reaction material charging capacity is shown in Table 1, and the preparation method comprises the following three steps:

[0049] (1) Add 1 / 3 of the recipe amount of azobisisobutyronitrile, and the recipe amount of isooctyl mercaptopropionate, p-xylene and o-dichlorobenzene into the reaction vessel, mix and heat up to 110°C to obtain a mixture Liquid I;

[0050] (2) take by weighing the azoisobutylcyanoformamide of formula quantity, butyl methacrylate, isobornyl methacrylate, benzoyl peroxide and 1 / 3 formula quantity and 2 Azobisisobutyronitrile in a formula amount of / 3, after mixing, use a constant pressure dropping funnel to drop it into the mixed solution I at a constant speed for 4 hours, raise the temperature to 130°C, and keep it warm for 2 hours to obtain the mixed solution II;

[0051] (3) Cool the mixed solution II to 50°C, then add 2 / ...

Embodiment 3

[0055] p-Chloromethylstyrene / Butyl Methacrylate, Isobornyl Methacrylate, 2-Acrylic Acid-2-Methoxyethyl Ester Grafted Methyl Nicotinate Pyridinium Salt

[0056] The reaction material charging capacity is shown in Table 1, and the preparation method comprises the following three steps:

[0057] (1) Add 1 / 3 of the recipe amount of azobisisobutyronitrile, and the recipe amount of isooctyl mercaptopropionate, p-xylene and o-dichlorobenzene into the reaction vessel, mix and heat up to 105°C to obtain a mixture Liquid I;

[0058](2) Weigh p-chloromethylstyrene, butyl methacrylate, isobornyl methacrylate, 2-acrylate-2-methoxyethyl, benzoyl peroxide and 1 / 3 formula The amount of azoisobutyrocyanoformamide and 2 / 3 of the formula amount of azobisisobutyronitrile are mixed and added dropwise to the mixed solution I at a constant speed for 3.5 hours using a constant pressure dropping funnel, and the temperature is raised to 125°C. After 1.5 hours of heat preservation, the mixed solution ...

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Abstract

The invention discloses p-chloromethylstyrene / acrylic resin-grafted methylpyridinium nicotinate and a novel marine antifouling coating prepared therefrom. The coating has excellent sterilization and antifouling properties and good adhesion and weatherability. The p-chloromethylstyrene / acrylic resin-grafted methylpyridinium nicotinate is prepared from the following components by mass: 0.1-1% of azobisisobutyronitrile, 0.1-1% of 2-(1-cyano-1-methylethyl)azocarboxamide, 0.1-1% of benzoyl peroxide, 0.1-1% of isooctyl mercaptopropionate, 15-50% of p-xylene, 0.1-0.2% of o-dichlorobenzene, 3-10% of p-chloromethylstyrene, 40-65% of acrylic resin, 2-10% of methyl nicotinate and 4-15% of dimethylformamide, summing to 100%.

Description

technical field [0001] The invention relates to the technical field of marine anticorrosion and antifouling, in particular to a p-chloromethylstyrene / acrylic acid resin grafted with methyl nicotinic acid pyridinium salt and a novel marine antifouling paint prepared therefrom. Background technique [0002] In the development of marine economy and shipping industry, the problem of marine fouling and adhesion continues to plague people. Marine fouling will not only increase the resistance of ships sailing and fuel consumption, accelerate the corrosion and degradation of hull materials, but also destroy the ecological balance of waters. The British International Paint Company has made statistics on the increase of ship bottom fouling and fuel consumption: if the ship bottom is fouled by 5%, the fuel consumption will increase by 10%; if the ship bottom fouling is greater than 50%, the fuel consumption will increase by more than 40%. Since the "special weapon" organotin antifouli...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08F220/18C08F220/28C08F212/14C08F8/44C08F2/06C08F2/38C09D133/10C09D133/08C09D5/08C09D5/16C09D7/61C09D7/63C09D7/65
CPCC09D133/08C09D133/10C08F2/06C08F2/38C08F8/44C08F220/18C08F220/28C09D5/08C09D5/1637C09D5/1687C08L2205/035C08F220/281C08F220/1804C08L83/04C08L93/04C08K13/02C08K5/3432C08K5/55C08K2003/2296C08K2003/2272C08F212/14C08F220/14
Inventor 胡建坤陆阿定宋伟张海春
Owner ZHEJIANG MARINE DEV RES INST
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