Word: resinous
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Dates: during 1940-1949
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...start in 1880 when, as the youngest student at the University of Ghent, he developed Velox paper, a photographic milestone which killed tintypes and netted him a reputed $1,000,000 from Eastman Kodak. Baekeland made possible the "improbable sandwich" (plywood) by his work in 1912 on a synthetic resin filler. He was also honored for : separation of cadmium and copper, oxidation of hydrochloric acid under light, dissociation of nitrate of lead, industrial electrolysis of alkali chlorids...
...constant process of reconstruction and repair. Asphalt and concrete runways are practically unknown; most of the strips are paved with mud, hand-poured and bound with crushed rock. On a very few fields the Fourteenth has strips of the Chinese version of asphalt, made of tung oil, resin, sand and hand-chipped rock...
Natural shellac is produced in much the same way as beeswax. It is a resin secreted by insects called Laccifer lacca. After feeding on the sap of certain cultivated Oriental trees, the insects coat the tree twigs with an exudation called "lac" (from the Sanskrit word laksha, meaning 100,000, referring to the thousands of insects in a colony). Indian natives scrape the lac off the twigs, heat it in cloth bags, strain off the melted shellac. The final product is a flaky substance that dissolves readily in alcohol and, when spread on a surface, dries quickly to a hard...
...ever duplicated shellac's complicated chemical structure. But Chem ist C. G. Harford, of the Arthur D. Little laboratory in Cambridge, Mass., found that a resin named zein, derived from corn, behaved very much like shellac. A drawback, however, was that in solution zein had a tendency to jell. By an un disclosed chemical process, Harford finally succeeded in converting zein into a non-jelling resin. The result, Zinlac, not only has the quick-drying, elastic qualities of shellac, but is also more resistant to water and makes a better coat for metal...
...after nine years of research while doing makeups for M.G.M., he found what he wanted- a synthetic plastic good for making mobile, lifelike masks. It is of secret composition (the process is patented, but he gives it to the Navy free) which he calls vinylite resin mixed with alcohol. Its first big trial was in Chinese faces for The Good Earth...