Page 40 - Respond 2018 Magazine
P. 40


       Smart façades for a

       sustainable future

       By Ms. Pamela Phua, Cluster General Director, Vietnam Singapore & Indochina,
       Director, RD&I, South East & South Asia, Middle East
       Director, Exterior, Wallpaint Expertise Group, RD&I, Global
       AkzoNobel Decorative Paints

       To mitigate the impact of the frenetic pace of urbanisation that the world is seeing, a
       tremendous effort in research & development is necessary. Indeed, more than ever it is
       essential to support improvements in sustainability by using renewable energies whilst
       decreasing carbon footprint and reducing waste and pollution generation. At AkzoNobel,
       we believe that we can play a key role in addressing parts of these challenges through
       innovative solutions.

       AkzoNobel is constantly developing better and more   protection, and of course bringing aesthetic delight to
       sustainable products, delivering essential ingredients,   exterior façades.
       essential protection and essential colour to help create
       more human cities around the world for a more liveable   Pollution control and self-cleaning delivered
       and inspiring life. Our commitment to sustainability is   through photocatalysis
       evidenced by our consistent high ranking over the last   According to the World Health Organization, 92% of
       10 years on the Dow Jones Sustainability Index (ranked   people across the world breathe in unhealthy air,
       1st consecutively for four years) and our Planet Possible   resulting in millions of deaths every year. Rapidly
       initiative dedicated to constantly finding ways to deliver   evolving into a global health crisis, worsening air
       more with less.                                  pollution in the form of thick smog continually engulfs
                                                        Asia’s megacities like Beijing and Delhi as well as
       AkzoNobel is a leading paints and coatings company   Europe’s metropolises such as Paris and London.
       with worldwide recognized brands such as Dulux
       and Sikkens. Our global research, development and   To support urban communities to combat pollution,
       innovation (RD&I) centre for exterior wall paints is   AkzoNobel embarked on a program to deliver next-
       located in Singapore, a vibrant innovation hub in   generation depolluting paint based on the technology
       Asia. Our research programs are mainly focused on   of photo-catalysis of titanium dioxide. By absorbing
       sustainability, energy efficient solutions, durability and   sunlight, specifically ultraviolet radiation, photoactive
                                                        titanium dioxide particles can be activated in the
                                                        presence of oxygen and moisture to produce free
                                                        radicals. These highly active radicals are capable of
                                                        degrading pollutants like nitrogen oxide and sulphur
                                                        oxide, thereby contributing to the abatement of noxious
                                                        emissions from motor vehicles and other human
                                                        activities. However, the radicals can also decompose
                                                        organic constituents in the paint and consequently
                                                        impair the paint durability with excessive chalking.
                                                        This challenging obstacle was overcome by a specially
                                                        formulated inorganic film having a higher resistance to
                                                        radical attack.

                                                        While cleaning up the air, our photocatalytic paint can
                                                        also deliver outstanding self-cleaning properties with low
                                                        dirt pick-up to building facades. This eco-positive benefit
                                                        derives from both the degradation of the dirt particles by
                                                        the radicals and the photo-induced super-hydrophilicity
                                                        effect, where the latter is manifested by a water-loving
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