Premium
Synthesis of hyperbranched P poly(glycerol‐diacid) oligomers
Author(s) -
Wyatt Victor T.,
Nuñez Alberto,
Foglia Thomas A.,
Marmer William N.
Publication year - 2006
Publication title -
journal of the american oil chemists' society
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.512
H-Index - 117
eISSN - 1558-9331
pISSN - 0003-021X
DOI - 10.1007/s11746-006-5159-y
Subject(s) - monomer , glycerol , succinic acid , gel permeation chromatography , dispersity , azelaic acid , polymer chemistry , condensation polymer , chemistry , adipic acid , oligomer , polymerization , yield (engineering) , degree of polymerization , nuclear chemistry , organic chemistry , polymer , materials science , metallurgy
Novel oligomeric prepolymers were synthesized by acid‐catalyzed condensation of glycerol with iminodiacetic, azelaic, or succinic acid. The prepolymers were obtained, on average, in 62% yield and were characterized by 13 C NMR, 1 H NMR, matrix‐assisted laser desorption ionization‐time of flight‐mass spectrometry, and gel permeation chromatography. The synthesized oligomers had an average M.W. of 1543 Daltons (average polydispersity (PD)=1.34, average degree of polymerization (DOP)=5.5). Hyperbranching was evident in the oligomers produced when using azelaic acid and succinic acid as co‐monomers with glycerol, whereas the reaction between iminodiacetic acid and glycerol resulted in linear products bearing cyclic urethane structures.