Polyurethane (PU) filling materials are typically utilized in coal mines for filling and
fortification in order to guarantee safe support structures. Existing PU filling materials are …

Reusing or recycling waste into new useful materials is essential for environmental
protection. Herein, we used discarded polystyrene (PS) and fly-ash (FA) particles and a …

Polyurethane (PU) grouting reinforcement materials are widely used in the construction and
maintenance of civil engineering works such as coal mine, high-speed railways, subways …

When it comes to grouting in coal mines, polyurethane (PU) is often utilized. However, it is of
vital importance to consistently improve the mineral PU, considering the significant amount …

Polyurethane (PU) grouting materials in coal mining must possess essential mechanical
properties and exhibit low heat release and high flame retardancy to enhance the safety and …

This study aims to provide a high-value and environmentally friendly method for the
application of coal-based solid waste. Modified fly ash/polyurethane (MFA/PU) and modified …

To clarify the progress of application of different grouting materials in airport runway
engineering, the commonly used grouting materials were introduced and different kinds of …

Polyurethane/desulfurization ash (PU/DA) composites were synthesized using “one-pot
method”, with the incorporation of a silane coupling agent (KH550) as a “molecular bridge” …

This Special Issue aimed to provide a forum for the discussion of recent advances in the
analysis and characterization of polymer-based composites. Authors were encouraged to …

Fire hazard refers to a disaster caused by uncontrolled burning in time or space. Among all
kinds of catastrophes, fire is one of the most frequent and universal disasters which threaten …