| 释义 |
factice|ˈfæktɪs|
Formerly also factis.
[ad. G. factis, faktis, f. L. factic-ius artificial (f. facĕre to make).]
Any of several friable rubber-like substances made by vulcanizing unsaturated vegetable oils and used chiefly as compounding ingredients with rubber. Also called (rubber) substitute, and distinguished as brown or white.
1896Jrnl. Chem. Soc. LXX. i. 204 Brown ‘factis’ was next tried. A sample containing 15·48 per cent of sulphur, gave..acids containing 14·14 per cent of sulphur. 1904W. T. Brannt tr. Bersch's Cellulose & Artificial Rubber xiv. 322 Under the name factis, masses have for some time been..used as a direct substitute for rubber... Factis masses vary very much in appearance. 1912Chem. Abstr. 937 White factice (substitute) is made from rape-seed oil, linseed oil, or cottonseed oil. 1954Dinsmore & Juve in G. S. Whitby Synthetic Rubber xi. 412 The factices..decrease plasticity but somewhat improve extrusion behavior. |