Word: starching
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Dates: during 1940-1940
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Mazein is Corn Products Refining Co.'s trade name for zein, a protein substance which occurs in corn. Chemist William Bentley Newkirk of Corn Products has spent seven years making mazein into a successful plastic. He obtains it from gluten-a residue of starch manufacture which is ordinarily sold as hog & cattle feed at 2? per lb.-by extracting it with solvents, purifying and precipitating it. The resultant plastic, soluble in both paint solutions and water, is a sort of cross between casein and bakelite. Uses: buttons, laminated boards, high-speed printing ink ingredient, waterproof and oilproof varnish...
...that new plywoods are as different from old "as a 1940 automobile from a vintage of 1910." Plywood is at least as old as 1900 B. C.-for a mummy case dated thereabouts, and discovered in Egypt, was made of it. But until recently the only glues available were starch glue from tapioca, blood albumin glue from slaughtered cattle and other animal glues. None of these was an adhesive that would "really stand up and fight with tension, torsion, or shear...