Poly(ether imide)s with hindering substituents in the anhydride moiety: synthesis, properties and gas permeabilities

G. C. Eastmond, P. C B Page, J. Paprotny, Robin E Richards, R. Shaunak

Research output: Contribution to journalArticle

35 Citations (Scopus)

Abstract

The synthesis of a series of bis(ether anhydride)s with hindering substituents, especially t-butyl and methyl, has been developed using nucleophilic displacement reactions between nitrophthalodinitriles and substituted hydroquinones, bisphenols and a naphthalene diol. The bis(ether anhydride)s have been successfully incorporated into poly(ether imide)s with hindering residues by polymerization with diamines, with and without alkyl substituents. The thermal and mechanical properties of a number of the polymers and their permeabilities to several gases have been determined. The properties of the polymers are discussed, along with those of related polymers. It is shown that the properties are strongly controlled by their structural features. In particular, the flexibilities of polymer backbones and substituents are found to influence glass transition temperatures and, in conjunction with the influence of chain rigidity on packing, to influence gas permeabilities and permselectivities.

Original languageEnglish (US)
Pages (from-to)4215-4227
Number of pages13
JournalPolymer
Volume35
Issue number19
DOIs
StatePublished - 1994
Externally publishedYes

Fingerprint

Imides
Gas permeability
Anhydrides
Ether
Ethers
Polymers
Hydroquinones
Diamines
Naphthalene
Rigidity
Thermodynamic properties
Gases
Polymerization
Mechanical properties

Keywords

  • gas permeability
  • nitrodisplacement
  • poly(ether imide)

ASJC Scopus subject areas

  • Organic Chemistry
  • Polymers and Plastics

Cite this

Poly(ether imide)s with hindering substituents in the anhydride moiety : synthesis, properties and gas permeabilities. / Eastmond, G. C.; Page, P. C B; Paprotny, J.; Richards, Robin E; Shaunak, R.

In: Polymer, Vol. 35, No. 19, 1994, p. 4215-4227.

Research output: Contribution to journalArticle

Eastmond, G. C. ; Page, P. C B ; Paprotny, J. ; Richards, Robin E ; Shaunak, R. / Poly(ether imide)s with hindering substituents in the anhydride moiety : synthesis, properties and gas permeabilities. In: Polymer. 1994 ; Vol. 35, No. 19. pp. 4215-4227.
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