Arctic route demands advanced marine coatings | Science

On September 23, China launched the China-Europe Arctic Express, a new Arctic sea route that shortens the Asia-Europe sea journey to 18 days (12 to 15 days less than conventional routes) (1). This route will speed up the transit of goods, reduce carbon emissions and provide an alternative to the congested Suez Canal (2). However, this also introduces environmental challenges that could make marine coating materials less effective, such as extreme polar conditions, significant temperature fluctuations, and highly corrosive seawater (3). Additionally, the fragile Arctic ecosystem, with its slow rate of recovery, is extremely vulnerable to pollutants (4, 5), including microplastics and toxic residues such as copper ions leached from conventional marine coatings (6). Addressing these challenges requires a breakthrough in advanced multifunctional marine coatings (7).