Polymer Bulletin

, Volume 76, Issue 4, pp 1899–1914 | Cite as

Effect of 2-aminobenzothiazole on antimicrobial activity of waterborne polyurethane dispersions (WPUDs)

  • Siddhesh U. Mestry
  • Deepak M. Patil
  • Shashank T. MhaskeEmail author
Original Paper


Antimicrobial coating, which has myriad applications in food industries, health authorities, veterinary care, cleansing, milk parlors, etc., has been produced in this research work. Polyol was synthesized by the condensation reaction of itaconic acid and 1,6-hexanediol. This polyol was then used for the synthesis of waterborne polyurethane dispersion (WPUDs), in which polyol was reacted with dimethylol propionic acid and isophoronediisocyanate to form a prepolymer. The prepolymer obtained was neutralized with triethylamine and 1,4-butanediol was used as a chain extender, followed by the addition of appropriate amount of water, as in a typical acetone process. 2-Aminobenzothiazole (ABT) was incorporated in the backbone along with the chain extender as an antimicrobial agent, and the effect of concentration of ABT on antimicrobial activity of coatings was studied. The obtained WPUDs were analyzed by Fourier transform infrared spectroscopy, particle size and zeta potential. Cured films were characterized for thermal, mechanical and antimicrobial properties. WPUD with 20% ABT content showed increased thermal properties with the highest Tg of 71.48 °C and good antimicrobial activity with an approximate 60% inhibition rate.


Waterborne polyurethane dispersion Itaconic acid 2-Aminobenzothiazole Antimicrobial 

Supplementary material

289_2018_2469_MOESM1_ESM.docx (15 kb)
Supplementary material 1 (DOCX 15 kb)


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Copyright information

© Springer-Verlag GmbH Germany, part of Springer Nature 2018

Authors and Affiliations

  • Siddhesh U. Mestry
    • 1
  • Deepak M. Patil
    • 1
    • 2
  • Shashank T. Mhaske
    • 2
    Email author
  1. 1.MumbaiIndia
  2. 2.Institute of Chemical TechnologyMumbaiIndia

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