Nonstoichiometric Polycondensation

Research output: Chapter in Book/Report/Conference proceedingChapter

2 Citations (Scopus)


The highest molecular weight polymers are obtained under strictly controlled stoichiometric conditions, that is to say, an exact 1:1 molar ratio of two functional groups is necessary according to the classical theory of polycondensation. It has been found that an excess of one functional group yields high-molecular-weight polymers comparable to those prepared under stoichiometrically balanced conditions. In this chapter, nonstoichiometric polycondensation is described by categorizing polycondensation into that caused by the change in reactivity, and that caused by the change in the structures of polymers. That is, nonstoichiometric polycondensations are categorized based on the chemical effect and the physical effect.

Original languageEnglish
Title of host publicationPolymer Science
Subtitle of host publicationA Comprehensive Reference, 10 Volume Set
Number of pages19
ISBN (Print)9780080878621
Publication statusPublished - 2012


  • Morphology
  • Nonstoichiometry
  • Nucleation-elongation polycondensation
  • Palladium-catalyzed polycondensation
  • Phase transfer catalyzed polycondensation
  • Polycondensation
  • Polycondensation of α,α-dihalomonomers
  • Polycondensation using reaction-induced crystallization
  • Step-growth

ASJC Scopus subject areas

  • General Biochemistry,Genetics and Molecular Biology


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