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单词 trimer
释义

trimern.

Brit. /ˈtrʌɪmə/, U.S. /ˈtraɪmər/
Etymology: < tri- comb. form + -mer comb. form2.
Chemistry.
A compound whose molecule is composed of three molecules of monomer.
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trimer1939
1929 Chem. Abstr. 23 3213 The supernatant liquid..yielded 180, 20, 11, and 4g. of the di-, tri-, tetra- and pentamer, resp.]
1939 Jrnl. Amer. Chem. Soc. 61 2320/1 With the aid of a molecular still we isolated the trimer and tetramer of hexatriene.
1952 Jrnl. Physical Chem. 56 85 A reaction between 3 molecules of insulin of molecular weight 12,000..to give a ‘trimer’ of molecular weight 36,000..is postulated.
1969 W. R. R. Park Plastics Film Technol. viii. 195 Even polystyrene films..can cause problems if they contain even relatively low percentages of residual monomers, dimers, or trimers.
1974 M. C. Gerald Pharmacol. xi. 198 This compound [sc. paraldehyde] is a trimer of acetaldehyde.., that is, three molecules linked in a ring.

Derivatives

triˈmeric adj.
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the world > matter > chemistry > polymer chemistry > polymers > [adjective] > types (by number of monomers) > trimer
trimeric1938
1938 Jrnl. Chem. Soc. 11 Polymerisation of βγ-dimethylbutadiene by sulphuric acid dissolved in acetic acid gives dimeric, trimeric and other low-molecular products.
1975 Nature 18 Dec. 576/2 The functional significance of the trimeric nature of the molecule is obscure.
ˌtrimeriˈzation n. the formation of a trimer from smaller molecules.
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the world > matter > chemistry > polymer chemistry > polymerization > [noun] > types (by number of monomers) > trimerization
trimerization1954
1954 Adv. Protein Chem. IX. 419 A similar free energy change might be expected on dimerization and trimerization.
1972 A. A. R. Sayigh et al. in Stille & Campbell Condensation Monomers v. 382 The value of these catalysts is limited because the same substances can act as catalysts for the trimerization of isocyanates.
This entry has not yet been fully updated (first published 1986; most recently modified version published online March 2022).
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n.1938
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