Curing behavior of soy flour with phenol-formaldehyde and isocyanate resins

Cost savings are realized when phenol formaldehyde (PF) and polymeric methylene diphenyl diisocyanate (pMDI) resins are partially substituted with soy flour during the manufacture of engineered woods such as oriented strand board. The interaction of soy flour with the two resins was studied through...

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Veröffentlicht in:International journal of adhesion and adhesives 2018-12, Vol.87, p.105-108
Hauptverfasser: Hand, William G., Robert Ashurst, W., Via, Brian, Banerjee, Sujit
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container_title International journal of adhesion and adhesives
container_volume 87
creator Hand, William G.
Robert Ashurst, W.
Via, Brian
Banerjee, Sujit
description Cost savings are realized when phenol formaldehyde (PF) and polymeric methylene diphenyl diisocyanate (pMDI) resins are partially substituted with soy flour during the manufacture of engineered woods such as oriented strand board. The interaction of soy flour with the two resins was studied through thermogravimetric analysis, Fourier transform infrared spectroscopy, and mass spectroscopy. No significant differences in the results from all three analyses were observed between neat PF and PF resin partially (up to 30%) substituted with soy flour, suggesting that chemical bonding between soy flour and PF resin was minimal. In contrast, soy flour induced major changes in the thermogravimetric and spectroscopic properties when substituted in pMDI resin because of chemical cross-linking between the two species.
doi_str_mv 10.1016/j.ijadhadh.2018.10.002
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subjects Adhesion
Chemical bonds
Crosslinking
Diphenyl methane diisocyanate
Flour
Fourier transforms
Infrared analysis
Isocyanates
Organic chemistry
Oriented strand board
Phenol formaldehyde
Phenols
pMDI
Polymers
Polyurethane resins
Resins
Substitutes
Thermogravimetric
Thermogravimetric analysis
title Curing behavior of soy flour with phenol-formaldehyde and isocyanate resins
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