Chain extended cyclohexanone-formaldehyde and acetophenone-formaldehyde resins

Nilgün Kizilcan, Ahmet Akar*

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

6 Citations (Scopus)

Abstract

The preparation of chain extended cyclohexanone-formaldehyde and acetophenone-formaldehyde resins and their physical properties were studied. The chain extension was regulated by the ratio of the hydroxyl groups of the ketonic resin/reactive reagents. Both resins were chain extended with dimethyl dichlorosilane, phosphorus oxychloride, phenylphosphonic dichloride, toluene-2,4-diisocyanate, prepolymers (prepared from trimethylolpropane and toluene-2,4-diisocyanate), phthalic anhydride, tetrahydrophthalic anhydride, trimellitic anhydride, 4,4′-oxydiphthalic anhydride, and maleic anhydride. Solubilities, melting point, molecular weight, and flammability of the chain extended resins were affected by the extender reagent.

Original languageEnglish
Pages (from-to)655-663
Number of pages9
JournalJournal of Applied Polymer Science
Volume70
Issue number4
DOIs
Publication statusPublished - 24 Oct 1998

Keywords

  • Anhydrides
  • Chain extension
  • Dimethyl dichlorosilane
  • Ketonic resins
  • Phosphorous oxychloride
  • Toluene-2,4-diisocyanate

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