Please use this identifier to cite or link to this item: http://hdl.handle.net/1942/3633
Title: DEMONSTRATION OF METHYLENE-ETHER BRIDGE FORMATION IN MELAMINE-FORMALDEHYDE RESINS
Authors: SCHEEPERS, ML
ADRIAENSENS, Peter 
GELAN, Jan 
CARLEER, Robert 
VANDERZANDE, Dirk 
DE VRIES, NK
BRANDTS, PM
Issue Date: 1995
Publisher: JOHN WILEY & SONS INC
Source: JOURNAL OF POLYMER SCIENCE PART A-POLYMER CHEMISTRY, 33(6). p. 915-920
Abstract: H-1 and C-13 NMR have been used for the quantitative determination of methylene-ether bridges in melamine-formaldehyde (MF) resins. The amount of methylene-ether bridges was determined by C-13 NMR from the number of monomethylolated amino groups consumed in the condensation reactions and is in agreement with that calculated from the condensation water contents. This latter method, which involves a combination of H-1 and C-13 NMR, is based on the amount of condensation water released during the formation of both methylene and methylene-ether bridges.
Notes: DSM RES BV,6160 MD GELEEN,NETHERLANDS.SCHEEPERS, ML, LIMBURGS UNIV CENTRUM,DEPT SBM,UNIV CAMPUS,B-3590 DIEPENBEEK,BELGIUM.
Keywords: H-1 NMR SPECTROSCOPY; C-13 NMR SPECTROSCOPY; CONDENSATION WATER; CURING; MELAMINE; FORMALDEHYDE; RESINS
Document URI: http://hdl.handle.net/1942/3633
DOI: 10.1002/pola.1995.080330604
ISI #: A1995QM78600004
Type: Journal Contribution
Appears in Collections:Research publications

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