Quaternary Ammonium “Tannate” for Antifouling Coatings

Polymeric Antimicrobial Coatings Based on Quaternary Ammonium Compounds

Biocidal coatings that are based on quaternized ammonium copolymers were developed after blending and crosslinking and studied as a function of the ratio of reactive groups and the type of biocidal groups, after curing at room temperature or 120 ◦C. For this purpose, two series of copolymers with complementary reactive groups, poly(4-vinylbenzyl chloride-co-acrylic acid), P(VBC-co-AAx), and pol...

Antifouling coatings for optoelectronic tweezers.

Optoelectronic tweezers enables parallel manipulation of individual single cells using optical addressing and optically induced dielectrophoretic force. This provides a useful platform for performing a variety of biological functions, such as cell manipulation, cell sorting, and cell electroporation. However, in order to obtain more reliable cellular manipulation, especially of adherent mammali...

Testing quaternary ammonium germicides.

Modern approaches to marine antifouling coatings

Marine structures such as platforms, jetties and ship hulls are subject to diverse and severe biofouling. Methods for inhibiting both organic and inorganic growth on wetted substrates are varied but most antifouling systems take the form of protective coatings. Biofouling can negatively affect the hydrodynamics of a hull by increasing the required propulsive power and the fuel consumption. This...

Synthesis and characterization of antibacterial polyurethane coatings from quaternary ammonium salts functionalized soybean oil based polyols.

In this study, a simple and versatile synthetic approach was developed to prepare bactericidal polyurethane coatings. For this purpose, introduction of both quaternary ammonium salts (QASs), with well-known antibacterial activity, and reactive hydroxyl groups on to the backbone of soybean oil was considered. Epoxidized soybean oil was reacted with diethylamine and the intermediate tertiary amin...