PREPARATION, DEGRADATION, CYCLOPENTADIENYLATION, AND GRAFTING OF PVC'S CONTAINING RELATIVELY HIGH LEVELS OF ALLYLIC CHLORINES.

B. Iván, JOSEPH P. KENNEDY, TIBOR KELEN, FERENC TUDOS

Research output: Contribution to journalArticle

21 Citations (Scopus)

Abstract

EASILY MODIFIABLE COLORLESS PVC'S CONTAINING RELATIVELY HIGH LEVELS OF SHORT THERMAL POLYENE SEQUENCES AND ALLYLIC CHLORINES, PVC(A)'S, HAVE BEEN PREPARED BY CONTROLLED CHEMICAL DEHYDROCHLORINATION. THE THERMAL AND THERMOOXIDATIVE STABILITY OF PVC(A)'S DECREASES SIGNIFICANTLY IN COMPARISON TO THE ORIGINAL RESIN. THE INITIAL DEHYDROCHLORINATION RATE OF PVC(A)'S HAS BEEN FOUND TO BE LINEAR WITH ALLYLIC CHLORINE CONCENTRATION. RESULTS INDICATE THAT NONALLYLIC IRREGULARITIES, CHAIN-END DEFECT SITES, AND/OR INITIATION OF HCL ZIP-ELIMINATION AT REGULAR REPEAT UNITS MAY ALSO PLAY A NONNEGLIGIBLE ROLE IN PVC INSTABILITY. TREATMENT OF PVC(A)'S WITH DIMETHYLCYCLOPENTADIENYLALUMINUM (ME//2CPAL) LED TO CYCLOPENTADIENYLATED PVC'S (PVC-CP) WHICH GELLED ON DRYING, AND THE GEL COULD BE SOLUBILIZED BY TREATMENT WITH STRONG DIENOPHILES.

Original languageEnglish
Pages (from-to)1033-1043
Number of pages11
JournalJournal of macromolecular science. Chemistry
VolumeV 17A
Issue numberN 6
Publication statusPublished - Apr 7 1982

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Chlorine
Polyvinyl Chloride
Polyvinyl chlorides
Degradation
Polyenes
Light emitting diodes
Drying
Gels
Resins
Defects

ASJC Scopus subject areas

  • Engineering(all)

Cite this

PREPARATION, DEGRADATION, CYCLOPENTADIENYLATION, AND GRAFTING OF PVC'S CONTAINING RELATIVELY HIGH LEVELS OF ALLYLIC CHLORINES. / Iván, B.; KENNEDY, JOSEPH P.; KELEN, TIBOR; TUDOS, FERENC.

In: Journal of macromolecular science. Chemistry, Vol. V 17A, No. N 6, 07.04.1982, p. 1033-1043.

Research output: Contribution to journalArticle

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