| Title |
Transforming waste to treasure: Superhydrophobic coatings from recycled polypropylene for high-value application |
| ID_Doc |
7878 |
| Authors |
Wang, XT; Liang, YF; Pu, ZC; He, J; Yang, SQ |
| Title |
Transforming waste to treasure: Superhydrophobic coatings from recycled polypropylene for high-value application |
| Year |
2024 |
| Published |
|
| DOI |
10.1016/j.porgcoat.2024.108248 |
| Abstract |
Polypropylene is a widely used general-purpose plastics with significant production, resulting a large amount of waste. While physical recycling of single-component waste polypropylene is a viable option, its performance deteriorates after several recycling cycles, limiting its reuse at value added products. This study employs solidstate shearing milling technology to achieve ultrafine-pulverization of waste polypropylene at ambient temperature to produce micro-scale polypropylene powder. The micro-nano surface structure is created synergistically using polypropylene powder and nano-silica, with hydrophobic polydimethylsiloxane as a binder, leading to the development of superhydrophobic coating. The superhydrophobic coating exhibits outstanding selfcleaning abilities, superior resistance to acid, alkali, and salt, and a water contact angle of 159 degrees. This paper presents a novel approach to producing a high value-added superhydrophobic coating from deterioration waste polypropylene, which has potential application in building waterproofing, anti-freezing, self-cleaning coatings and moisture collection, addressing environmental concerns related to plastic waste and promoting the circular economy. |
| Author Keywords |
Recycled polypropylene; Solid-state shear milling; Micro -nano structure; Superhydrophobic coating |
| Index Keywords |
Index Keywords |
| Document Type |
Other |
| Open Access |
Open Access |
| Source |
Science Citation Index Expanded (SCI-EXPANDED) |
| EID |
WOS:001170572300001 |
| WoS Category |
Chemistry, Applied; Materials Science, Coatings & Films |
| Research Area |
Chemistry; Materials Science |
| PDF |
|