indene Chem.
(ˈɪndiːn)
[f. indo-2 + -ene, or as a contraction of indonaphthene.]
1. a. = indonaphthene (which name indene has completely superseded). b. Any of the derivatives of this compound.
| 1888 Jrnl. Chem. Soc. LIV. 1303 (heading) Indene-derivatives. 1892 E. F. Smith tr. V. von Richter's Chem. Carbon Compounds (ed. 2) 903 The formation of the carboxyl derivatives of indene..proceeds in a manner analogous to the formation of alkyl indenes. 1956 Rodd & Van Alphen in E. H. Rodd Chem. Carbon Compounds IIIb. xx. 1260 (heading) Substituted indenes. 1968 L. K. Arnold Introd. Plastics ix. 111 Coumarone and indene, found in certain coal tar fractions, are polymerized to produce resins which range from those liquid at room temperature to others melting at 300° F. |
2. Special Comb.: indene resin, any thermoplastic resin made from indene; usually = coumarone-indene resin.
| 1900 Jrnl. Chem. Soc. LXXVIII. i. 657 The indene resin decomposes at 290–340°. 1947 [see coumarone b]. |