dammar resin


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Noun1.dammar resin - any of various hard resins from trees of the family Dipterocarpaceae and of the genus Agathis; especially the amboyna pine
natural resin - a plant exudate
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.
References in periodicals archive ?
Boyd, Untitled (Aeron), 2017, triptych, restaurant grease, beeswax, dammar resin, overall 26 x 33".
Moreover, the presence of carbon-carbon double bonds in the cycling ring structure or in its side chains produces the weak bands positioned at 3070 (vCH from C=C bonds) and 1645 (vC=C) [cm.sup.-1], and the peak at 890 [cm.sup.-1] (out-of-plane bending of the exomethylene groups) which appears sharp and weak-to-moderate in dammar resin. Differently from diterpenoid resins, mastic and dammar do not clearly show the O-H vibrations of dimerized carboxyl groups in the region of 2700-2500 [cm.sup.-1].
Furthermore, the effects of natural aging, particularly of the localized dammar resin and egg glazes thinly applied over black paint, contributed to the complexity of the treatment.