More research is needed about 4,5-Difluorophthalic Anhydride

Balanced chemical reaction does not necessarily reveal either the individual elementary reactions by which a reaction occurs or its rate law.Related Products of 18959-30-3. In my other articles, you can also check out more blogs about 18959-30-3

Related Products of 18959-30-3, A catalyst don’t appear in the overall stoichiometry of the reaction it catalyzes, but it must appear in at least one of the elementary reactions in the mechanism for the catalyzed reaction. 18959-30-3, Name is 4,5-Difluorophthalic Anhydride, molecular formula is C8H2F2O3. In a Article,once mentioned of 18959-30-3

The synthesis and characterization of phenylethynyl (PE) end-capped polyimides derived from 4,4?-(2,2,2-trifluoro-1-phenylethylidene) diphthalic anhydride (3FDA), 4,4?-(hexafluoroisopropylidene) diphthalic anhydride (6FDA), and 3,3?,4,4?-biphenylene dianhydride (s-BPDA) are described in this paper, with particular emphasis on the glass transition temperatures and viscosities. The phenylethynyl end-capped 3FDA- and 6FDA-containing oligomides demonstrate much lower minimum complex melt viscosities than s-BPDA-containing oligomides. The PE-3F and PE-6F oligomers also show greater viscosity stability at elevated temperature (310C) than s-BPDA oligomides. The lower viscosities can be explained by the presence of the bulky groups CF3 and phenyl on 3FDA and 6FDA relative to the planar configuration of the s-BPDA dianhydride. The greater viscosity stability of the PE-3F and PE-6F oligomers over the s-BPDA oligomers at 310C may be explained by the decreased electron density and hence lower reactivity of the ethynyl group in the PE-3F and PE-6F oligomers due to the influence of fluorine in the polymer chain.

Balanced chemical reaction does not necessarily reveal either the individual elementary reactions by which a reaction occurs or its rate law.Related Products of 18959-30-3. In my other articles, you can also check out more blogs about 18959-30-3

Reference:
Benzofuran – Wikipedia,
Benzofuran | C8H2964O – PubChem