2020
DOI: 10.3390/ma13112578
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Rheological Study of Phenol Formaldehyde Resole Resin Synthesized for Laminate Application

Abstract: Heat explosions are sometimes observed during the synthesis of phenol formaldehyde (PF) resin. This scenario can be attributed to the high latent heat that was released and not dissipated leading to the occurrence of a runaway reaction. The synthesis temperature and time played important roles in controlling the heat release, hence preventing the resin from hardening during the synthesis process. This study aims to assess the rheological and viscoelasticity behaviors of the PF resin prepared using paraformalde… Show more

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Cited by 7 publications
(3 citation statements)
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“…The projected values indicate that a resin with viscosity around 400 cP would result in even greater resistance in the glue line, indicating that this is a parameter to be optimized [ 19 ], with the exception of LPF50. Despite the fact that LPF50 has reached the adequate viscosity, it did not adhere satisfactorily ( Figure 3 ), as it has bonding failures.…”
Section: Resultsmentioning
confidence: 99%
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“…The projected values indicate that a resin with viscosity around 400 cP would result in even greater resistance in the glue line, indicating that this is a parameter to be optimized [ 19 ], with the exception of LPF50. Despite the fact that LPF50 has reached the adequate viscosity, it did not adhere satisfactorily ( Figure 3 ), as it has bonding failures.…”
Section: Resultsmentioning
confidence: 99%
“…Studies [ 19 , 20 ] utilized as a reference for the initial configurations of molar ratio and synthesis conditions. The reagents (50 g phenol (99.5%), 90 g formaldehyde at 37%, 20 g aquous solution of methanol at 50%) were inserted in the reactor and mechanically stirred at 200 RPM and heating at 80 °C for 2 h. Three 2.4 g NaOH charges were added, being the first one in the initial moment, and the others after 10 and 20 min.…”
Section: Methodsmentioning
confidence: 99%
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