Microcrystallinity and colloidal peculiarities of UF/isocyanate hybrid resins

Wieland, S.; Pizzi, A.; Grigsby, W.; Warnes, J.; Pichelin, Frédéric (2007). Microcrystallinity and colloidal peculiarities of UF/isocyanate hybrid resins Journal of Applied Polymer Science, 104(4), pp. 2633-2636. Wiley 10.1002/app.24757

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Combined mixtures of polymeric diphenylmethane diisocyanates (pMDI) with Urea-formaldehyde-resins (UF) adhesives for wood panels are shown (a) by X-ray diffraction analysis (XRD) of the cured adhesive to present a certain percentage of microcrystallinity, this being due exclusively to the proportion of urea-formaldehyde resin present in the mix and, (b) by polarized light optical microscopy (PLOM) to present colloidal structures in which oligomers and colloidal structures of one resin have migrated within the colloidal structures of the other resin.

Item Type:	Journal Article (Original Article)
Division/Institute:	School of Architecture, Wood and Civil Engineering School of Architecture, Wood and Civil Engineering > Institute for Materials and Wood Technology BFH Centres and strategic thematic fields > BFH Centre for Wood - Resource and Material School of Architecture, Wood and Civil Engineering > Institut for Building Materials and Biobased Products IBBM
Name:	Wieland, S.; Pizzi, A.; Grigsby, W.; Warnes, J. and Pichelin, Frédéric0000-0003-3856-6707
Subjects:	Q Science > Q Science (General) Q Science > QD Chemistry T Technology > T Technology (General) T Technology > TP Chemical technology
ISSN:	0021-8995
Publisher:	Wiley
Language:	English
Submitter:	Frédéric Pichelin
Date Deposited:	05 May 2020 13:08
Last Modified:	09 Nov 2022 10:08
Publisher DOI:	10.1002/app.24757
Uncontrolled Keywords:	Colloids Crystal structures Isocyanates Resins Urea-formaldehyde X-ray
URI:	https://arbor.bfh.ch/id/eprint/11271