triacetaten.

/trʌɪˈasɪteɪt/

Etymology: < tri- comb. form + acetate n.

Chemistry.

†a. A compound in which an acetate group is combined with three atoms or molecules of a base. Obsolete.

ΘΚΠ

the world > matter > chemistry > organic chemistry > organic radicals > [noun] > radical compounds (general)

telluride1832

hydroxide1851

oleic ether1854

organo-mercurial1858

triacetate1860

sulphone1872

sulphoxide1894

tetraalkyllead1923

organophosphate1945

the world > matter > chemistry > chemical substances > salts > [noun] > salts named by atomic number > acetates > others

acetite1788

peracetate of iron1836

triacetate1860

1860 J. Scoffern Elem. Chem. (new ed.) 467 The most important is the tris or triacetate [of lead].

b. A compound containing three acetate groups in the molecule; spec. cellulose triacetate, in which acetate groups replace hydrogen atoms in (notionally) all three hydroxyl groups in each constituent glucose molecule; a man-made fibre made from this.

ΘΚΠ

the world > textiles and clothing > textiles > man-made textiles > [noun]

acetyl cellulose1879

artificial silk1879

art silk1885

Chardonnet silk1893

triacetate1895

viscose silk1913

Celanese1921

rayon1924

fibro1926

staple fibre1928

viscose rayon1930

viscose1932

Lanital1936

Tricel1954

polynosic1959

olefin1960

modal1977

1895 C. F. Cross et al. Cellulose i. 35 Heated at 180° in a sealed tube, in the proportion by weight of 1 of cellulose to 6 of the anhydride, the cellulose is converted into the triacetate.

1921 Jrnl. Soc. Chem. Industry 31 Jan. 8 t/2 If the ratio of chlorine to sulphur dioxide be nearer to unity then the product is mainly cellulose triacetate.

1956 W. J. Roff Fibres, Plastics, & Rubbers 25 A method of preparing fully acetylated triacetate possessing exceptionally good electrical properties.

1960 Which? Jan. 19/1 Triacetate is very similar to ordinary acetate, but not so soft to handle; it will take permanent pleats and creases.

1978 Lancs. Life Mar. 113/3 Each item can be bought separately—the triacetate and nylon shirt at about £13.50.

This entry has not yet been fully updated (first published 1986; most recently modified version published online December 2020).

单词	triacetate
释义	triacetaten. /trʌɪˈasɪteɪt/ Etymology: < tri- comb. form + acetate n. Chemistry. †a. A compound in which an acetate group is combined with three atoms or molecules of a base. Obsolete. ΘΚΠ the world > matter > chemistry > organic chemistry > organic radicals > [noun] > radical compounds (general) telluride1832 hydroxide1851 oleic ether1854 organo-mercurial1858 triacetate1860 sulphone1872 sulphoxide1894 tetraalkyllead1923 organophosphate1945 the world > matter > chemistry > chemical substances > salts > [noun] > salts named by atomic number > acetates > others acetite1788 peracetate of iron1836 triacetate1860 1860 J. Scoffern Elem. Chem. (new ed.) 467 The most important is the tris or triacetate [of lead]. b. A compound containing three acetate groups in the molecule; spec. cellulose triacetate, in which acetate groups replace hydrogen atoms in (notionally) all three hydroxyl groups in each constituent glucose molecule; a man-made fibre made from this. ΘΚΠ the world > textiles and clothing > textiles > man-made textiles > [noun] acetyl cellulose1879 artificial silk1879 art silk1885 Chardonnet silk1893 triacetate1895 viscose silk1913 Celanese1921 rayon1924 fibro1926 staple fibre1928 viscose rayon1930 viscose1932 Lanital1936 Tricel1954 polynosic1959 olefin1960 modal1977 1895 C. F. Cross et al. Cellulose i. 35 Heated at 180° in a sealed tube, in the proportion by weight of 1 of cellulose to 6 of the anhydride, the cellulose is converted into the triacetate. 1921 Jrnl. Soc. Chem. Industry 31 Jan. 8 t/2 If the ratio of chlorine to sulphur dioxide be nearer to unity then the product is mainly cellulose triacetate. 1956 W. J. Roff Fibres, Plastics, & Rubbers 25 A method of preparing fully acetylated triacetate possessing exceptionally good electrical properties. 1960 Which? Jan. 19/1 Triacetate is very similar to ordinary acetate, but not so soft to handle; it will take permanent pleats and creases. 1978 Lancs. Life Mar. 113/3 Each item can be bought separately—the triacetate and nylon shirt at about £13.50. This entry has not yet been fully updated (first published 1986; most recently modified version published online December 2020). < n.1860
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