1997
DOI: 10.1002/(sici)1099-0518(19971115)35:15<3241::aid-pola17>3.0.co;2-b
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Copolymerization of bis(2-oxazoline)s, anhydrides, and diols or diamines. Reaction mechanisms and polymer properties
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Cited by 10 publications
(2 citation statements)
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“…A reaction scheme suggested by Baker et al 22 is that anhydride groups in the presence of water can react with oxazoline functionality so that amide, ester linkage, and carboxylic acid groups generate like the proposed reaction scheme. On the other hand Po' et al 31 reported the reaction of anhydride and bis(2-oxazoline) monomer in the presence of diols led to linear polymers having ester-amide groups. Both routes proposed above can be expected in our experiments because there are appreciable amounts of hydroxyl end groups in the PC-anh as well as anhydride end groups, so that graft copolymers with amide and ester groups can be generated.…”
Section: Examination Of Melt Reactionmentioning
confidence: 99%
“…A reaction scheme suggested by Baker et al 22 is that anhydride groups in the presence of water can react with oxazoline functionality so that amide, ester linkage, and carboxylic acid groups generate like the proposed reaction scheme. On the other hand Po' et al 31 reported the reaction of anhydride and bis(2-oxazoline) monomer in the presence of diols led to linear polymers having ester-amide groups. Both routes proposed above can be expected in our experiments because there are appreciable amounts of hydroxyl end groups in the PC-anh as well as anhydride end groups, so that graft copolymers with amide and ester groups can be generated.…”
Section: Examination Of Melt Reactionmentioning
confidence: 99%
“…Also, secondary amines were used as nucleophiles to generate dicarboxylic acids in situ. 8 These ternary systems require accurate control of stoichiometry and investigation of kinetics is also crucial. Due to the polyaddition mechanism, even a small deviation from the stoichiometric molar ratio can account for the severely reduced degree of polymerization.…”
Section: Introductionmentioning
confidence: 99%
