Abstract
THERMOPLASTIC elastomers represent a new and important family of polymeric materials. One of the most representative examples contains three blocks, styrene/butadiene/styrene (SBS), within a chain. At ambient temperatures the two chemical species separate. The B phase is rubbery, and provides the matrix for the highly dispersed S phase which is glassy. Owing to the molecular connexion between the two, the S phase acts like a cross-link and thus creates a network. At high enough temperatures this cross-linking effect due to the S phase is removed and the object becomes mouldable.
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KELLER, A., PEDEMONTE, E. & WILLMOUTH, F. Macro-lattice from Segregated Amorphous Phases of a Three Block Copolymer. Nature 225, 538–539 (1970). https://doi.org/10.1038/225538a0
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DOI: https://doi.org/10.1038/225538a0
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