Design of new polyester architectures through copolymerization, crosslinking, and Diels-Alder grafting
Advisor: Dr. David Collard,School: Georgia Institute of Technology
School Location: Georgia,USA
Index terms(keywords): Diels-Alder mechanism.bismaleimides,crosslinked
Source: ebook
Source type: ebook
Subjects: Design of new polyester architectures through copolymerization, crosslinking, and Diels-Alder grafting
Publication Number:UMI Microform 3126748
Document URL:
ProQuest document ID: 3126748
Abstract:
The compound 2,6-anthracenedicarboxylic acid is used as a comonomer for the
synthesis of a series of copolyesters. The copolymers are characterized and further
functionalized by Diels-Alder grafting or crosslinking through the anthracenate unit. The
Diels-Alder reaction is used to graft N-substituted maleimide on to poly(ethylene
terephthalate-co-2,6-anthracenedicarboxylate), PET-co-A. Maleimide-capped
poly(ethylene glycol) is grafted onto PET-co-A to improved its hydrophilicity.
2,6-Anthracenedicarboxylic acid is also incorporated into the known liquid
crystalline polymer, poly(4-oxybenzoate-co-1,4-phenylene isophthalate) (HIQ40). The
resulting copolymer, poly(4-oxybenzoate-co-1,4-phenylene isophthalate-co-2,6-
phenylene anthracenate), HIQ40-co-A, shows LCP behavior. These HIQ40-co-A
copolymers are grafted with maleimide end-capped monomers and polymers and
crosslinked with bismaleimides through a Diels-Alder mechanism.
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