The nature of the zinc polycarboxylate cement matrix

descriptionPublicationkeyboard_double_arrow_right Article 01 Sep 1982 English Publisher:WileyJournal:Journal of Biomedical Materials Research, volume 16, pages 549-557 (issn: 0021-9304, eissn: 1097-4636,

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Authors: A D, Wilson;

doi: 10.1002/jbm.820160503

pmid: 7130211

The nature of the zinc polycarboxylate cement matrix

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Abstract

AbstractThe matrix of a stoichiometric zinc polycarboxylate cement has been shown to be identical with zinc polycarboxylate salt, which consists principally of neutralized carboxylate groups with a few free acid groups. When excess zinc oxide is present, as in practical cements, there are no free acid groups present. There is no evidence for the formation of a chelate. Both salt and cement matrices are amorphous. The formation of the salt appears to control timedependent changes in the consistency of the cement pastes.

Related Organizations

LGC
United Kingdom

Keywords

Polycarboxylate Cement, Spectrophotometry, Infrared, Dental Cements, Rheology

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