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N-acryloyl,N′-cyanoacetohydrazide as a thermal stabilizer for rigid poly(vinyl chloride)

✍ Scribed by Mohamed, Nadia A.; Sabaa, Magdy W.

Publisher: John Wiley and Sons
Year: 1998
Tongue: English
Weight: 589 KB
Volume: 45
Category: Article
ISSN: 0959-8103
DOI: 10.1002/(sici)1097-0126(199802)45:2<147::aid-pi851>3.0.co;2-#

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✦ Synopsis

N-Acryloyl,N@-cyanoacetohydrazide (ACAH) and its complexes with some metal ions have been investigated as thermal stabilizers for rigid poly(vinyl chloride) (PVC). Their stabilizing efficiencies have been measured by the continuous potentiometric determination of the evolved hydrogen chloride gas from the degradation process and by the extent of discoloration of the degraded samples compared with some conventional thermal stabilizers. The efficiency of blending ACAH with conventional thermal stabilizers has been investigated. A probable mechanism for the stabilizing action of ACAH is also proposed.

1998 SCI.

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