a-methyl-acrylic
71polymethyl methacrylate — poly·meth·yl methacrylate päl i .meth əl n a thermoplastic resin of polymerized methyl methacrylate that is used esp. in hard contact lenses and in prostheses to replace bone * * * (PMMA) poly·meth·yl meth·ac·ryl·ate (PMMA) (pol″e… …
72Lucite — trademark used for an acrylic resin or plastic consisting essentially of polymerized methyl methacrylate …
73Caesium — xenon ← caesium → barium Rb ↑ Cs ↓ Fr …
74Refractive index — Refraction of light at the interface between two media. In optics the refractive index or index of refraction of a substance or medium is a measure of the speed of light in that medium. It is expressed as a ratio of the speed of light in vacuum… …
75Acetic acid — Acetic redirects here. It is not to be confused with Ascetic. Acetic acid …
76Acetonitrile — Acetonitrile …
77Resin identification code — Sorted household plastic waiting to be hauled away for reprocessing …
78Acyl — group of a carboxylic acid. An acyl group is a functional group derived by the removal of one or more hydroxyl groups from an oxoacid,[1] including inorganic acids. In organic chemistry, the acyl group is usually derived from a carboxylic acid… …
79Chloroform — IUPAC name …
80Polystyrene — For other uses, see Polystyrene (disambiguation). Expanded polystyrene packaging …
