Pyrolysis mechanism of composite binder composed of coal tar pitch .
WEBJan 1, 2023 · Coal tar pitch, phenolic resin, and HMTA were mixed and heated at 150 °C for 1 h to ensure full crosslinking of phenolic resin. ... The sample powder was placed on the MALDI target; 2) A little drop of water was dropped onto the powder so that the sample formed a thin film on the surface of the water; 3) The excess water was removed with a ...