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Simple, benign, aqueous-based amination of polycarbonate surfaces.

Virginia VanDelinder1, David R Wheeler2, Leo J Small3

  • 1†Center for Integrated Nanotechnologies, Sandia National Laboratories, PO Box 5800, MS 1303, Albuquerque, New Mexico 87111, United States.

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|February 20, 2015
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Summary

Researchers developed an eco-friendly method to add amino groups to polycarbonate surfaces using water. This safe surface functionalization preserves material properties and enables further modifications for advanced applications.

Keywords:
aminated surfaceantibiofoulingbacteriorhodopsinfunctionalized surfacepolycarbonatesurface chemistry

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Area of Science:

  • Materials Science
  • Surface Chemistry
  • Polymer Science

Background:

  • Polycarbonate offers valuable mechanical and optical properties for diverse applications.
  • Surface modification is crucial for enhancing polycarbonate functionality.
  • Existing methods may involve harsh chemicals or affect material integrity.

Purpose of the Study:

  • To develop a simple, safe, and environmentally friendly method for polycarbonate surface amination.
  • To functionalize polycarbonate with amino groups using an aqueous approach.
  • To demonstrate the versatility of the aminated surface for further modifications.

Main Methods:

  • Aqueous functionalization of polycarbonate surfaces using diamines.
  • Characterization via X-ray photo spectroscopy, FT-IR, AFM, and contact angle measurements.
  • Demonstration of subsequent surface modifications.

Main Results:

  • Successful introduction of amino groups onto the polycarbonate surface.
  • Confirmation of amination using multiple spectroscopic and microscopic techniques.
  • Preservation of polycarbonate's optical and mechanical properties due to the aqueous method.

Conclusions:

  • The developed aqueous amination method is effective, safe, and environmentally friendly.
  • This facile surface modification technique enhances polycarbonate's utility.
  • The aminated surface serves as a versatile platform for attaching antifouling coatings and membrane proteins.