End group effect on the thermal response of narrow-disperse poly(N-isopropylacrylamide) prepared by atom transfer radical polymerization

Macromolecules

Volumn 39, Issue 6, 2006, Pages 2275-2283

  Xia, Yan ^a   Burke, Nicholas A D ^a   Stöver, Harald D H ^a  

^a MCMASTER UNIVERSITY   (Canada)

Author keywords

[No Author keywords available]

Indexed keywords

DIFFERENTIAL SCANNING CALORIMETRY; ENTHALPY; MOLECULAR WEIGHT; PHASE TRANSITIONS; POLARIZATION; SYNTHESIS (CHEMICAL);

CHLOROPROPIONAMIDE INITIATORS; HIGH-SENSITIVITY DIFFERENTIAL SCANNING CALORIMETRY (HS-DSC); INVERSE MOLECULAR WEIGHT (MW); POLY(N-ISOPROPYLACRYLAMIDE);

ORGANIC POLYMERS;

EID: 33645806727     PISSN: 00249297     EISSN: None     Source Type: Journal    
DOI: 10.1021/ma0519617     Document Type: Article

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50. n increased from 3000 to 5000 Da, likely because of the large Hydrophobic pyrenyl end group.
51. w ∼20-100 kDa), there was a small decrease for samples with a hydrophobic trityl end group and a small increase for those with an isobutyronitrile end group. This is consistent with both MW and end-group effects being most important for low MW samples (<20 kDa).