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MODIFICATION OF COMPRESSIVE BEHAVIOUR OF CHIOS MASTICHE GUM
Author(s) -
KEHAYOGLOU A.H.,
DOXASTAKIS G.I.,
KIOSSEOGLOU V.D.
Publication year - 1996
Publication title -
journal of texture studies
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.593
H-Index - 54
eISSN - 1745-4603
pISSN - 0022-4901
DOI - 10.1111/j.1745-4603.1996.tb00061.x
Subject(s) - beeswax , materials science , compressive strength , compression (physics) , composite material , brittleness , lecithin , chemistry , chromatography , wax
Reduction of Chios mastiche hardness by additions of beeswax, lecithin or calcium stearate was studied by compression tests using an Instron machine. Beeswax and lecithin brought about a marked decrease of mastiche's resistance to compression while calcium stearate had the opposite effect. Esterification of the hard and brittle monomeric fraction of mastiche with ethanol caused a drastic modification of its texture yielding a plastic material. Its addition to mastiche at various percentages brought about a considerable decrease in the product's resistance to compression.