overcuren.
/ˈəʊvəkjʊə/, /ˈəʊvəkjɔː/, U.S. /ˈoʊvərˌkjʊ(ə)r/ The process or result of overcuring; overvulcanization.
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
1915 Jrnl. Soc. Chem. Industry 15 Oct. 990/1 The load at breaking point was found to increase with the time of cure to a certain point and then to collapse, the rubber becoming very brittle at an overcure.
1952 J. Delmonte Plastics Molding ix. 265 Translucent urea molded parts are the first to show the effects of overcure—by dullness or chalkiness in finished products.
1964 A. E. Juve in G. Alliger & I. J. Sjothun Vulcanization of Elastomers ii. 30 Vulcanization occurs in three stages; (1) an induction period, (2) a curing or cross-linking stage, and (3) a reversion or overcure stage.
2002 Design News (Nexis) 8 July 69 Enhanced control software, meanwhile, helps compensate for unintended curing of nearby resin—effects known as overcure and print-through.
This entry has been updated (OED Third Edition, December 2004; most recently modified version published online March 2022).
overcurev.
/ˌəʊvəˈkjʊə/, /ˌəʊvəˈkjɔː/, U.S. /ˌoʊvərˈkjʊ(ə)r/ 1. transitive. To cure for longer than the optimal or usual period; to over-vulcanize. Also intransitive.
ΘΚΠ
society > occupation and work > industry > working with specific materials > working with rubber or plastic > work with rubber or plastic [verb (transitive)] > cure > for longer than necessary
over-vulcanize1911
overcure1916
society > occupation and work > industry > working with specific materials > working with rubber or plastic > work with rubber or plastic [verb (intransitive)] > cure for longer than necessary
overcure1949
1857 C. L. Flint Pract. Treat. Grasses & Forage Plants 182 Grass over-cured in the process of hay making contains more useless woody fibre and less nutritive qualities.
1892 Overland Monthly May 504 Those put into the sweat-boxes are never uniformly dried, some being over-cured and some not cured quite enough.
1916 Jrnl. Soc. Chem. Industry 31 Aug. 872/1 It is..common in the case of many goods for manufacturers when vulcanising to undercure rather than overcure the rubber so as to avoid the danger of over-vulcanising and consequent deterioration.
1949 B. L. Davies Technol. Plastics xxi. 405 The whole board is cured in the usual manner in the press, care being taken not to overcure.
1972 Materials & Technol. V. xiv. 523 The outside of a thick rubber article has to be cured longer than the optimum curing time (overcured) in order to ensure an optimum cure within the article.
2000 New Scientist 11 Nov. 6/3 The blood vessels were highlighted in pink by running the laser over them for a second time to ‘overcure’ the plastic.
2. intransitive. To undergo overcuring. rare.
ΘΚΠ
society > occupation and work > materials > derived or manufactured material > synthetic resins and plastics > [verb (intransitive)] > of plastic: cure for longer than necessary
overcure1952
1952 J. Delmonte Plastics Molding viii. 211 Before the advent of thorough internal heating by high frequency, thick-molded parts would overcure on outside surfaces before the interior reached molding temperature.
This entry has been updated (OED Third Edition, December 2004; most recently modified version published online March 2022).
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n.1915v.1857