单词 | over-vulcanization |
释义 | over-vulcanizationn. Vulcanization for longer than is necessary to achieve the maximum modulus of elasticity; the overcuring of rubber. ΘΚΠ society > occupation and work > industry > working with specific materials > working with rubber or plastic > [noun] > curing > for longer than necessary over-vulcanization1900 overcuring1912 overcure1915 over-vulcanizing1916 1900 W. T. Brannt India Rubber, Gutta-percha & Balata iii. 111 If the articles are allowed to remain too long in the solution, over-vulcanization may take place, that is, the surface of the article becomes hard and brittle. 1955 Proc. Royal Soc. A. 230 135 The transition from a viscous fluid to a rubber-like amorphous solid..may well be related to the phenomenon of over-vulcanization of rubber. 1967 W. Hofmann Vulcanization & Vulcanizing Agents i. 24 Its symptoms [sc. those of postvulcanization] are thus very similar to the rising characteristic of tensile stress at a given elongation which is associated with overvulcanization. 2000 Rubber World (Nexis) 1 May 43 The danger of over-vulcanization at the product edge or surface and under-vulcanization at its core, which is present with..processes depending on heat transfer by conduction. This entry has been updated (OED Third Edition, December 2004; most recently modified version published online March 2022). < n.1900 |
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