Sbs (polystyrene-polybutadiene) is a block co-polymer, it is considered a thermoplastic elastomer and is produced by living anionic polymerization a. briefly explain the underlined terms b. list the two molecular characteristics that are essential for elastomers 4 c. 141 explain how block polymers are produced, show initiation and propagation steps for the formation of styrene block only. explain how the block structure of sbs results in a polymer exhibiting both elastomeric mechanical properties and thermoplastic processability.
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Chemistry, 22.06.2019 08:00
An electron moved from shell n = 2 to shell n = 1. what most likely happened during the transition? a fraction of a photon was added. a photon of energy was absorbed. a fraction of a photon was removed. a photon of energy was released.
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Chemistry, 22.06.2019 11:20
Sodium nitrite (nano2) reacted with 2−iodooctane to give a mixture of two constitutionally isomeric compounds of molecular formula c8h17no2 in a combined yield of 88%. draw reasonable structures for these two isomers. click the "draw structure" button to launch the drawing utility. place the two compounds in the appropriate boxes below.
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Sbs (polystyrene-polybutadiene) is a block co-polymer, it is considered a thermoplastic elastomer an...
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