Processes for preparing phenolic diesters

Details Processes for preparing phenolic diesters Processes for preparing phenolic diesters

C - Chemistry, Metallurgy

07

C

260/473, 400/706

C07C 69/34 (2006.01) C07C 69/80 (2006.01) C08G 63/193 (2006.01) C08L 23/02 (2006.01) C08L 101/00 (2006.01) D06M 13/00 (2006.01)

Patent

CA 1047523

ABSTRACT OF THE DISCLOSURE This invention relates to compounds of formula Q-O-R-O-Q wherein Q represents a substituted or unsubstituted 2-(2-hydroxybenzyl)phenyl group, and R is a residue of a di- or tri-basic, organic or inorganic acid. compounds in accordance with the invention can be used as stabilizers for plastics materials, in particular to provide them with thermal stability and stability against ultra violet light. The low volatilities of these compounds compared with the analoguous di-phenols Q-O-H render them of particular value. - 1 -

221861

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