| 释义 |
polyether|pɒlɪˈiːθə(r)|
[f. poly- + ether.]
Any of a variety of polymers in which the repeating unit contains an ether linkage, C{b1}O{b1}C, many of which are used commercially, esp. as plastic foams and epoxy resins. So polyether foam.
1922Chem. Abstr. XVI. 1741 (heading) Polyethers of trimethyleneglycol. 1962Listener 8 Mar. 451/1 The less expensive polyether foam is edging its way in. 1966[see epoxy]. 1968Times 28 Mar. 9 All three versions are available in either Burma teak, or prime beech and are fitted with specially composed polyether foam cushions. 1972Physics Bull. Oct. 582/3 A fluorocarbon polyether, recently used as a rotary pump lubricant.., has allowed pump operation at above 100° C. 1975P. Browne Bodywork Maintenance vi. 80/1 Polyether is mainly used as stuffing in cheap upholstery. |