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 > BFH Centre for Wood - Resource and Material

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:

Christelle Ganne-Chédeville

Date Deposited:

05 May 2020 13:08

Last Modified:

21 Sep 2021 02:18

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

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