Octyl phenylcyanoacrylate (PCA) was described in . 2-Ethylhexyl phenylcyanoacrylate is reported in silicone sunscreens and cosmetic compositions ; in UV protecting compounds that become reactive under application conditions ; in study of azeotropy and pseudoazeotropy in ternary copolymerization ; in styrene copolymerization with esters of benzylidenecyanoacetic acid ; in terpolymerization of acrylonitrile, styrene, and esters of α-cyanocinnamic acid ; in description of curable adhesive and coating compositions containing trifunctional olefinic monomers . -Methyl ring-substituted dodecyl PCA is a component of sensitive color photothermographic material containing ultraviolet absorber and recording material sensitive to light and heat . 1,1-dimethylethyl PCA in preparation of a functionalized UiO-66 MOF for turnon fluorescence sensing of superoxide in water and efficient catalysis for Knoevenagel condensation . Alkyl ring-substituted ethyl PCAs were prepared and copolymerized with styrene ; in studies of catalytic activity of mesoporous molecular sieve Rb-AlKIT-1 in organic reactions ,