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MALDI-TOF MS analysis of the acceleration of the curing of phenol-formaldehyde (PF) resins induced by propylene carbonate

Abstract : A PF resin with a formaldehyde/phenol molar ratio of 1.8 was accelerated by addition of 1 % propylene carbonate. The curing acceleration was investigated by matrix-assisted laser desorption/ionization-time of flight mass spectrometry (MALDI-TOF MS). After addition of this small proportion of propylene carbonate the gel time decreased from 40 to 28 min. From the spectra of MALDI-TOF it was clear that the curing reaction of the PF resin was accelerated by propylene carbonate; there was no obvious difference between the final structures of the PF resin with and without the accelerator.
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https://hal.univ-lorraine.fr/hal-01599790
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Submitted on : Monday, October 2, 2017 - 3:06:44 PM
Last modification on : Tuesday, May 26, 2020 - 9:24:02 AM

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Jizhi Zhang, Antonio Pizzi, Jianzhang Li, Wei Zhang. MALDI-TOF MS analysis of the acceleration of the curing of phenol-formaldehyde (PF) resins induced by propylene carbonate. European Journal of Wood and Wood Products, Springer Verlag, 2015, 73 (1), pp.135-138. ⟨10.1007/s00107-014-0858-9⟩. ⟨hal-01599790⟩

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