TY  - JOUR
AU  - Bras, Ana
AU  - Hövelmann, Claas
AU  - Antonius, Wiebke
AU  - Teixeira, José
AU  - Radulescu, Aurel
AU  - Allgaier, J.
AU  - Pyckhout-Hintzen, Wim
AU  - Wischnewski, Andreas
AU  - Richter, Dieter
TI  - Molecular Approach to Supramolecular Polymer Assembly by Small Angle Neutron Scattering
JO  - Macromolecules
VL  - 46
IS  - 23
SN  - 1520-5835
CY  - Washington, DC
PB  - Soc.
M1  - FZJ-2013-06245
SP  - 9446 - 9454
PY  - 2013
AB  - We present a small angle neutron scattering (SANS) study of the association of heterocomplementary telechelic polypropylene glycol (PPG) polymers, bearing either diaminotriazine (DAT) or thymine (Thy) stickers as end-groups, both in the melt and in dilute solution. The SANS data are critically examined for the architecture and morphology as well as relative extent of linear assembly in the apolar solvent toluene. A random phase approximation (RPA) approach, adapted for a supramolecularly assembled multiblock copolymer is presented, which allows to extract the interaction parameters between the constituents and the medium. From the proposed approach, which describes very well heterocomplementary hydrogen-bonding telechelic polymers in both diluted toluene solution and in the melt, we conclude that linear association prevails
LB  - PUB:(DE-HGF)16
UR  - <Go to ISI:>//WOS:000328436800030
DO  - DOI:10.1021/ma401714r
UR  - https://juser.fz-juelich.de/record/141042
ER  -