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Mesoglobules of Homopolymers

The properties of the mesoglobules depend on factors related to the intrinsic properties of the polymers and to experimental protocols. Thus, increasing the [Pg.50]

In this section we outline the publications and selected features of neutral thermoresponsive homopolymers exhibiting the LCST phase separation in aqueous media, see Tables 2 and 3, and also those whose properties drastically change upon cooling, see Table 4. We will utilize the definitions for transition temperatures used by the authors. Due to the huge number of polymers of this type, some biopolymers such as polysaccharides will not be described here. [Pg.51]

Poly(Al-alkyl(meth)acrylaniide)s or N-monosubstituted and A-disubstituted poly(acrylamide)s (la) and poly(methacrylamide)s (lb), where R] = H, CHs, C2H5 etc. and R2 = CH3, C2H5. C3H7, etc Homopolymers with Rj = H, CH3 and R2 = CH3 do not show the LCST behaviour in water in the temperature rtmge of 0 T KXTC Homopolymers with Rj = H, CH3, C2H5 and R2 = C2H5, C3H7, [Pg.52]

Hysteresis, the effect of the heating/cooling rate on the phase diagram [210] Chemically crossUnked hydrogel shrinks upon heating [207] Tip = 62°C [210] = 78.2°C [213] [Pg.52]

Tcp of solutions and gels increases with increasing SDS content and decreases with increasing KCl content or crosslinker [210] [Pg.52]


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