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单词 methylcellulose
释义

methylcellulosen.

Brit. /ˌmiːθʌɪlˈsɛljᵿləʊs/, U.S. /ˌmɛθəlˈsɛljəˌloʊs/; see also methyl n. and cellulose n.
Origin: Formed within English, by compounding. Etymons: methyl n., cellulose n.
Etymology: < methyl n. + cellulose n.
Any of a range of methylated derivatives of cellulose, varying in the number of methoxyl groups, which form viscous solutions and can be used as thickening, emulsifying, and stabilizing agents (esp. in foodstuffs), as a laxative, and in adhesives.
ΘΚΠ
the world > matter > chemistry > polymer chemistry > industrial polymers (named) > [noun]
hexamethylenediamine1894
cellulose acetate1895
bakelite1909
phenol-formaldehyde1911
Paxolin1918
methylcellulose1921
Saran1940
polyester resin1946
polyester fibre1951
Mylar1952
polychlorinated biphenyl1959
1921 Jrnl. Chem. Soc. 119 i. 79 A methyl cellulose of this limiting methoxyl content can be prepared which is representative of the whole of the original cellulose.
1947 C. C. Winding & R. L. Hasche Plastics iii. 119 Water solubility plus the ability to produce viscous solutions has made methyl cellulose useful as a thickening agent in the textile, food, and adhesive industries.
1954 Jrnl. Pharmacy & Pharmacol. 6 731 Methylcellulose eye-drops..are liable to contamination by moulds.
1966 Punch 5 Jan. 11/1 In its survey of strawberry jam it found two specimens in which the composers had succeeded in soaring far above the sordid world of methyl cellulose and lecithin.
1980 Lancet 19 Jan. 150/1 Bone-marrow..was cultured in vitro in methylcellulose.
1997 BBC Vegetarian Good Food Apr. 64/4 This particular group is advised to go on a low-fibre diet and, at the same time, are given bran-free bulking agents, such as methylcellulose, to ease the constipation.
This entry has been updated (OED Third Edition, December 2001; most recently modified version published online March 2022).
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n.1921
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