masterbatchn.
/ˈmɑːstəbatʃ/, /ˈmastəbatʃ/, U.S. /ˈmæstərˌbætʃ/ A concentrated mixture of components employed in the production of synthetic rubbers and plastics.
ΘΚΠ
society > occupation and work > materials > derived or manufactured material > synthetic resins and plastics > [noun] > mixture for synthetic rubbers and plastics
masterbatch1937
1937 H. Barron Mod. Rubber Chem. vii. 79 Certain fundamental ingredients such as accelerators, antioxidants and sulphur are always added in small quantities... It is now common practice to add them as a ‘masterbatch’.
1953 N. L. Catton Neoprenes 32 A convenient method of making sure that mixing operations are carried out in the elastic phase is through the use of concentrated masterbatches.
1964 Amer. Speech 39 272 Most stocks..in a tire are mixed in two stages. The masterbatch is the first stage, in which all the rubbers and pigments are mixed except for the curing agents.
1993 Ann. Rep. 1992 (Cookson Group) 16/1 The Group's coloured masterbatch plastics business..showed good improvement over 1991.
This entry has been updated (OED Third Edition, March 2001; most recently modified version published online March 2022).
masterbatchv.
/ˈmɑːstəbatʃ/, /ˈmastəbatʃ/, U.S. /ˈmæstərˌbætʃ/ transitive. To mix in a masterbatch.
ΘΚΠ
society > occupation and work > industry > working with specific materials > working with rubber or plastic > work with rubber or plastic [verb (transitive)] > specific processes
friction1881
reclaim1890
undercure1916
plasticate1929
cream1938
masterbatch1971
1971 B. G. Crowther & H. M. Edmondson in C. M. Blow Rubber Technol. & Manuf. viii. 270 The curing ingredients themselves may be masterbatched.
1998 Canad. Chem. News (Nexis) Apr. 32 In all the experiments, the three reactants were masterbatched, or premixed, prior to charging to the hopper.
This entry has been updated (OED Third Edition, March 2001; most recently modified version published online March 2022).
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n.1937
v.1971