Poly(1-trimethylsilyl-1-propyne) is primarily used in gas separation membranes due to its high permeability and selectivity for certain gases. It is particularly effective in separating oxygen from nitrogen, making it valuable in industrial processes like oxygen enrichment for medical applications or combustion enhancement. Additionally, its hydrophobic nature makes it suitable for removing volatile organic compounds (VOCs) from air or gas streams in environmental remediation. The material’s stability and resistance to harsh conditions also lend it to use in advanced filtration systems and as a protective coating in electronics to prevent moisture ingress. Its unique properties make it a versatile polymer in specialized industrial and technological applications.