Microcrystallinity and colloidal peculiarities of UF/isocyanate hybrid resins
Copyright policy )Microcrystallinity and colloidal peculiarities of UF/isocyanate hybrid resins
AbstractCombined 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. © 2007 Wiley Periodicals, Inc. J Appl Polym Sci 104: 2633–2636, 2007
RESINS, ADHESIF, RELATION COMPOSITION STRUCTURE, [SPI.GPROC] Engineering Sciences [physics]/Chemical and Process Engineering, [SDV]Life Sciences [q-bio], UREA-FORMALDEHYDE, STRUCTURE COLLOIDALE, ISOCYANATES, MICROCRISTALLINITE, DURCISSEMENT, [SDV.IDA] Life Sciences [q-bio]/Food engineering, DIPHENYLMETHANE DIISOCYANATE, COLLOIDS, CRYSTAL STRUCTURES, [SDV] Life Sciences [q-bio], [SDV.IDA]Life Sciences [q-bio]/Food engineering, X-RAY, MELANGE HETEROGENE, [SPI.GPROC]Engineering Sciences [physics]/Chemical and Process Engineering, PANNEAU DE BOIS, RESINE UREE-FORMALDEHYDE
RESINS, ADHESIF, RELATION COMPOSITION STRUCTURE, [SPI.GPROC] Engineering Sciences [physics]/Chemical and Process Engineering, [SDV]Life Sciences [q-bio], UREA-FORMALDEHYDE, STRUCTURE COLLOIDALE, ISOCYANATES, MICROCRISTALLINITE, DURCISSEMENT, [SDV.IDA] Life Sciences [q-bio]/Food engineering, DIPHENYLMETHANE DIISOCYANATE, COLLOIDS, CRYSTAL STRUCTURES, [SDV] Life Sciences [q-bio], [SDV.IDA]Life Sciences [q-bio]/Food engineering, X-RAY, MELANGE HETEROGENE, [SPI.GPROC]Engineering Sciences [physics]/Chemical and Process Engineering, PANNEAU DE BOIS, RESINE UREE-FORMALDEHYDE
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