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Plateau region, molecular order

The rubbery plateau also represents an indicator of miscibility (Badia et al. 2015). Linear triblock copolymers composed of poly(n-butyl acrylate) and polystyrene (PS-PBA-PS) have phase-separated morphologies exhibiting two rnbbery plateaux (Pakula et al. 2011). The first plateau lies between the Tg of the PBA blocks and the Tg of the PS blocks in this region, the glassy PS microdomains act like physical crosslinks for the flexible PBA blocks. The second rubbery plateau starts after the Tg of PS and continues until the order-disorder transition, where the microdomain strncture transforms into a disordered homogeneous phase (Han et al. 1989). The length and the storage modnlns of the rubbery plateau depend on the molecular... [Pg.185]

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See also in sourсe #XX -- [ Pg.64 ]

See also in sourсe #XX -- [ Pg.64 ]



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Molecular order

Molecular ordered

Plateau

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