We report a photocatalytic radical C–H functionalization strategy for modular modification of octamethylcyclotetrasiloxane, accommodating diverse functional groups to efficiently access functionalized polysiloxanes.
High-permittivity elastomers were made by grafting sulfolane groups onto polysiloxane. Tuned polarity, thin films, and UV cross-linking yielded DEAs with 7.2% lateral strain at 14 V μm−1, enabling reliable low-voltage soft stack actuators.
Incorporating phenyl groups into ultrathin polyorganosilica membranes improves hydrothermal stability for H2/CO2 separation.
We present a catalytic (only ppm/wt) back-to-cyclics chemical recycling strategy. Reactive distillation yields ∼99% of a pure mixture of cyclics (D3/D4/D5). Catalyst recycling and repolymerization of recycled monomers further silicone circularity.
Preceramic inorganic polymers (PCIPs) can be utilized in various environmental solutions, including catalytic converters and air filters for pollution control, stabilizing hazardous waste, and treating wastewater.