单词 | photoinitiator |
释义 | > as lemmasphotoinitiator photoinitiator n. Brit. /ˌfəʊtəʊɪˈnɪʃɪeɪtə/ , U.S. /ˌfoʊdoʊᵻˈnɪʃiˌeɪdər/ Chemistry a substance which, under the influence of light, acts as the initiator of a chemical reaction by passing on the energy it absorbs to one of the reactants.ΚΠ 1950 Jrnl. Amer. Chem. Soc. 72 1063/2 Di-t-butyl peroxide proved to be an excellent photoinitiator in these experiments. 2002 Nature 2 May 28/3 The process begins with a mixture of liquid crystal, a polymer-forming monomer, an ultraviolet-absorbing dye and a photo-initiator. < as lemmas |
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