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单词 hard plastic
释义

hard plasticn.

Brit. /ˌhɑːd ˈplastɪk/, U.S. /ˌhɑrd ˈplæstɪk/
Origin: Formed within English, by compounding. Etymons: hard adj., plastic n.
Etymology: < hard adj. + plastic n.
Originally: a substance that started in a plastic (mouldable) state and was subsequently made hard or rigid (now disused). In later use: a plastic that is hard and rigid, such as PVC, ABS, and polymerized methyl methacrylate; plastic of this kind.
ΘΚΠ
society > occupation and work > materials > derived or manufactured material > synthetic resins and plastics > [noun] > plastic > other plastics
hard plastic1896
Galalith1901
Paxolin1918
casein plastic1925
polyvinyl acetate1927
protein plastic1928
Mipolam1936
acrylic1940
styrene plastic1943
bioplastic1946
ABS1957
Noryl1966
1896 U.S. Patent 568,016 2/1 The seal is rendered useless, being filled with the hard plastic, and cannot be used again.
1909 U.S. Patent 915,060 2/1 The new body, with or without admixture with further lime or cement, or both, forms hard plastics which may be used for hard wall plasters and concretes.
1938 Pop. Sci. Oct. 192/3 The bands are carved from the hard plastic used for the caps on some types of liquor bottles.
1939 Pop. Mech. July 122/2 Scratching a design in the surface of hard plastics like Bakelite.
1973 E. H. Immergut tr. B. Vollmert Polymer Chem. ii. 253 Polyformaldehyde..can be transformed to transparent and hard plastics with high mechanical strength.
1987 E. H. J. Pallett Aircraft Electr. Syst. (ed. 3) v. 91/2 Insulators may be made from hard plastic, neoprene of varying degrees of hardness, silicone rubber or fluorosilicone rubber.
2015 Sc. Express (Nexis) 13 Jan. 12 The instructions on the top of my blue wheelie bin tell me that it accepts hard plastics but not plastic film.
This is a new entry (OED Third Edition, June 2015; most recently modified version published online March 2022).
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n.1896
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更新时间:2024/12/23 7:15:46