Soft Poly(dimethylsiloxane) Elastomers from Architecture-Driven Entanglement Free Design.

Cai, Li-Heng; Kodger, Thomas E; Guerra, Rodrigo E; Pegoraro, Adrian F; Rubinstein, Michael; Weitz, David A · Adv Mater · 2015

basic_science · Level V

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Abstract

Soft, solvent-free poly(dimethylsiloxane) elastomers are fabricated by a one-step process via crosslinking bottlebrush polymers. The bottlebrush architecture prevents the formation of entanglements, resulting in elastomers with precisely controllable low moduli from 1 to 100 kPa, below the lower limit of traditional elastomers; moreover, the solvent-free nature enables their negligible adhesiveness compared to commercially available silicone products of similar stiffness.

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