High vacuum lines are designed to provide a vacuum in the 10-5 to 10-6mm. Hg region. By combining two types of vacuum pumps (i.e., oil rotary vane and mercury diffusion) in conjunction with two-stage glass manifold, these versatile systems can evacuate in a very short time schlenks and glass apparatuses/reactors for performing special polymerization techniques such as living anionic polymerization. Anionic synthesis is important for our group as it allows the synthesis a wide variety of well-defined model of blocks copolymers with complex macromolecular architectures (stars, mikto-arms, etc…) with high molecular weight and an extremely narrow molecular weight distributions.