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Precondensation of a Mixture of Epoxy-4,4'-Isopropylidenediphenol and Phenol-Formaldehyde Oligomers in Solution

โœ Scribed by A. N. Krasovskii; V. N. Filippov


Book ID
111560020
Publisher
SP MAIK Nauka/Interperiodica
Year
2003
Tongue
English
Weight
89 KB
Volume
76
Category
Article
ISSN
1070-4272

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## Abstract A total of 13 of the 16 possible methylol derivatives of 2,4โ€ฒโ€ and 4,4โ€ฒโ€dihydroxydiphenylmethane have been synthesized, isolated, and identified. These compounds are found as intermediates in the cure process of resol phenolโ€“formaldehyde (PF) resins. Analysis of the ^13^C NMR spectra (i