Temperature and light intensity effects on photodegradation of high-density polyethylene.

ABSTRACT: The photodegradation of polymers poses a serious challenge to their outdoor application, and results in significant financial loss due to early or unexpected system failure. A better understanding of their degradation kinetics aids the improvement of materials and systems. However, most work to date on many polymeric materials focuses on only one or a few exposure conditions which are pertinent to typical environmental ambients. Here the model polyolefin system of high-density polyethylene (HDPE) was exposed under controlled laboratory conditions to a range of temperatures (30 °C, 40 °C, 50 °C) and ultraviolet (UV) light intensities (153 W m^-2, 61 W m^-2, 38 W m^-2, 15 W m^-2, 8 W m^-2, and 0 W m^-2). Changes to the mechanical, c

SUBMITTER: Fairbrother A 

PROVIDER: S-EPMC11494731 | biostudies-literature | 2019 Jul

REPOSITORIES: biostudies-literature