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The chemistry and development of tannin/urea–formaldehyde condensates for exterior wood adhesives

✍ Scribed by A. Pizzi

Publisher
John Wiley and Sons
Year
1979
Tongue
English
Weight
732 KB
Volume
23
Category
Article
ISSN
0021-8995

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## Abstract Condensed tannins, being phenolic in nature, can be chemically modified to undergo reaction with formaldehyde in such a way that the adhesives formed harden at ambient temperature in industrially meaningful times. Resorcinol, __m__‐hydroxyaniline, and their condensation products with fo