Word: plastic
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Last month, at Georgetown University Medical Center, the young woman (now 30) became the first patient in medical history to be fitted successfully with an artificial aortic valve. (Boston surgeons have slipped a plastic ball into the mitral valve-TIME, March 10). Though she will still have to follow doctor's orders (digitalis, salt rationing and plenty of rest), she is a changed woman-vigorous, gaining strength and hope, and free from the pain of angina...
Kaiser-Frazer, which is jacking up horsepower in its Kaiser line, plans to make 1,000 sport cars with plastic bodies, made by California's Glasspar Co. (TIME, Feb. 18). K-F's new model will weigh about 2,000 Ibs., cost about $2,000, v. $1,450 for the 2,300 lb. Henry...
Silicone Sticker. Linde Air Products Co. told about a compound that forms a "bridge" between plastic and glass. Plastics reinforced with glass fibers have not proved as strong as they theoretically should be. One trouble is that the plastic does not always stay stuck to the fibers. Moisture may penetrate the "interfaces" and make the two elements separate...
...answer, according to Linde, is to treat the fibers with a small amount (.25%) of vinyl siloxane, a compound whose plasticlike molecules contain atoms of silicon. These act as a bridge, the silicon end of the molecule sticking tight to the glass while the other end cleaves to the plastic. The bond is so strong that the glass-plastic combination does not lose its strength even when boiled for two hours...
...Plastic Dies. In Detroit, Chrysler Corp. began experimental use of plastic instead of steel dies to make truck panels. The plastic dies, roughly 75% cheaper than steel, can be used on an ordinary 1,000-ton press, weigh only one-fourth as much as steel dies, can be made in three or four weeks compared to 14 to 16 weeks for comparable steel ones...