A plastic substance more or less identical with celluloid, based on nitrocellulose and castor oil or camphor.

Chemistry. The insoluble resinous element in amber.

Any of various gelatinous or resinous substances obtained by oxidation of linseed oil by air.

any of a class of polymers in which the units are linked through the anhydride group, —CO·O·CO—, and which includes many resins used commercially…

Any of a variety of polymers in which the repeating unit contains an ether linkage, C—O—C, many of which are used commercially, esp. as plastic…

any of a group of plastics made from casein, usually by hardening with formaldehyde; cf. Galalith, n.

More fully alkyd resin. Any of a group of synthetic polyester resins made by the reaction of various polyhydric alcohols and polybasic acids and…

A polymer of an olefin, esp. a synthetic resin of this type.

Any of various synthetic polymers made from acrylic acid and its esters, typically used in paints and adhesives. Frequently attributive, esp. in acry…

a resinous material obtained by polymerizing the methyl ester of acrylic acid.

Any of a large class of polymers having the units linked by the group —NH·CO·O—, which are made esp. by the reaction of polyisocyanates with…

A polymer of tetrafluoroethylene; esp. a tough, crystalline, chemically inert, thermally stable material that has a low coefficient of friction and…