- ester gum
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Chem.any of several hard resins produced by the esterification of a natural resin, esp. rosin, with a polyhydric alcohol, chiefly glycerol: used in the manufacture of paints, varnishes, and lacquers.[1935-40]
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Universalium. 2010.
ester gum
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ester gum — /ˈɛstə gʌm/ (say estuh gum) noun a hard resin obtained by esterifying rosin, or other natural gums, with a polyhydric alcohol (especially glycerol); used in the manufacture of paints and varnishes …
ester gum — noun : a resinous ester or mixture of esters made by combining a resin of acid nature or resin acids with a polyhydric alcohol; especially : a hard usually pale substance made by heating rosin with glycerol and used in varnishes, lacquers, and… … Useful english dictionary
Ester (disambiguation) — The term Ester may have a few meanings:* Ester, a functional group in organic chemistry * Ester, Alaska, a town * Ester C * Ester Camp Historic District * Ester compound * Ester gum * Ester mountains * Ester of wood rosin * Ester pyrolysis * The… … Wikipedia
Glycerol ester of wood rosin — Glycerol ester of wood rosin, glyceryl abietate, or Ester gum is a food additive used as an emulsifier and stabiliser, to keep oils in suspension in water. [ [http://www.inchem.org/documents/jecfa/jecmono/v35je05.htm WHO Food Additives Series 35 … Wikipedia
rosin ester — noun : an ester or mixture of esters of the acid components of rosin; especially : ester gum … Useful english dictionary
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abietic acid — /ab ee et ik, ab /, Chem. a yellow, crystalline, water insoluble acid, C20H30O2, obtained from the resin of a species of pine: used chiefly in driers, varnishes, and soaps. Also called sylvic acid. [1860 65; < L abiet (s. of abies) fir + IC] * *… … Universalium
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