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Sunday, 15 September 2019
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Raw materials & technologies, Applications, Protective & Marine coatings

Efficient antifouling properties based on hydrogel layer of polyacrylamide coatings

Friday, 15 July 2016

Pursuit of robust antifouling coatings is a persistent objective for marine materials. Researchers investigated a series of polyacrylamide resins with a self-generating hydrogel layer, arising from the polymerisation of acrylamide (AM), butyl acrylate, methacrylic acid and AM derivatives.

The formation of hydrogel and self-generating properties is promising in various antifouling applications. Source: Detlev Müller/pixelio.de

The formation of hydrogel and self-generating properties is promising in various antifouling applications. Source: Detlev Müller/pixelio.de

The mechanical strength and thermal stability are markedly enhanced due to the change of the structure of modified resins.

AM derivatives generate dynamic layer

The preliminary results indicate that resultant resins with crosslinking structure show satisfactory abrasion resistance and swelling properties. The results of antifouling panel testing in shallow submergence for three months reveal that the addition of acrylamide derivatives leads to generation of a thin soft and dynamic layer of hydrogel, which enhances antifouling properties. The formation of hydrogel and self-generating properties is promising in various antifouling applications.

The study is published in: J. Appl. Polym. Sci. 2016, 133, 44111.

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