| 单词 | picein wax |
| 释义 | > as lemmaspicein wax 2. (Also with capital initial.) An inert thermoplastic substance composed of hydrocarbons from rubber, shellac, and bitumen, used for making joints airtight. Also picein wax. ΘΚΠ the world > matter > chemistry > polymer chemistry > resins and plastics > [noun] > thermoplastic resins > picein picein1926 society > occupation and work > materials > derived or manufactured material > synthetic resins and plastics > [noun] > plastic > capable of hardening after heating or (re)shaping > specific thermoplastic materials Rhodoid1918 polyphenylene oxide1921 picein1926 Parafilm1934 nylon1938 polyethylene1939 polythene1939 Saran1940 alkathene1941 polyethylene terephthalate1946 Visqueen1948 Lexan1956 1926 Proc. Royal Soc. A. 111 118 The cathode and anode portions were connected by a lamp glass, these and other joints being made gas-tight with ‘Picein’. 1936 Discovery Sept. 286/1 A plug of picein wax in the capillary is thereby melted and seals up the tube. 1974 L. Holland et al. Vacuum Man. i. 65 Picein. This is a classical vacuum wax—sticks well to metal and glass, is resistant to dilute acid and alkalies, is thermoplastic and made from bituminous substances. 1998 Sphaera Spring 3/4 All the joints in the chamber had originally been sealed up with picein. < as lemmas |
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