A Simple Approach to Distinguish Classic and Formaldehyde-Free Tannin Based Rigid Foams by ATR FT-IR

Tannin based rigid foams (TBRFs) have been produced with formaldehyde since 1994. Only recently several methods have been developed in order to produce these foams without using formaldehyde. TBRFs with and without formaldehyde are visually indistinguishable; therefore a method for determining the d...

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Bibliographic Details
Main Authors: Gianluca Tondi, Martin Link, Chuan Wei Oo, Alexander Petutschnigg
Format: Article
Language:English
Published: Wiley 2015-01-01
Series:Journal of Spectroscopy
Online Access:http://dx.doi.org/10.1155/2015/902340
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