2006
DOI: 10.1016/j.polymdegradstab.2005.11.012
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Phenolic prepreg waste as functional filler with antioxidant effect in polypropylene and polyamide-6

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Cited by 13 publications
(8 citation statements)
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“…de polipropileno (PP) contendo resíduo de resina fenólica com fibra de vidro e estudaram os efeitos da incorporação do resíduo sobre a estabilização termo-oxidativa [9] e o reforço mecânico [10] dos materiais. Cui e colaboradores prepararam compósitos de PP contendo resina fenólica Novolac e negro de fumo e estudaram as propriedades elétricas dos materiais [11] .…”
Section: Caracterização Dos Compósitosunclassified
See 1 more Smart Citation
“…de polipropileno (PP) contendo resíduo de resina fenólica com fibra de vidro e estudaram os efeitos da incorporação do resíduo sobre a estabilização termo-oxidativa [9] e o reforço mecânico [10] dos materiais. Cui e colaboradores prepararam compósitos de PP contendo resina fenólica Novolac e negro de fumo e estudaram as propriedades elétricas dos materiais [11] .…”
Section: Caracterização Dos Compósitosunclassified
“…Observou-se que a incorporação de resíduo de resina fenólica com cargas contribuiu para aumentar a temperatura máxima de degradação do PP nos compósitos, bem como para que as temperaturas de início e término de degradação seguissem a mesma tendência, alcançando valores maiores para os compósitos contendo teores maiores de resíduo de resina fenólica com cargas. Groning e colaboradores [9] observaram que a incorporação de resíduo de resina fenólica contendo fibra de vidro em compósitos com matrizes de PP causa efeito antioxidante nos materiais, e atribuíram à esse efeito a estrutura de fenol impedido da resina fenólica.…”
Section: Caracterização Do Resíduo Industrial De Resina Fenólicaunclassified
“…A few research papers and patents describe valorization schemes for these materials, based on thermal recycling, chemical recycling, and mechanical recycling . However, due to their complexity and the low‐value of retrieved products, their industrial viability seems questionable.…”
Section: Introductionmentioning
confidence: 99%
“…Through a specific comminution scheme and coupling strategies of the filler with the polypropylene (PP) matrix, composites with better tensile and impact properties than the neat matrix were produced. It was shown that incorporation of phenolic prepreg (70% glass fiber) in PP increased drastically its thermo‐oxidative stability and its mechanical properties after accelerated aging …”
Section: Introductionmentioning
confidence: 99%
“…In reality, in PP molecules, there are many tertiary hydrogens, so they can degrade and form oxidative impurities easily in the repeated melt processing , which then induces subsequent deterioration of the mechanical properties . Antioxidants can inhibit the thermomechanical degradation and make PP maintain the initial molecular weights and mechanical properties as much as possible ; therefore, the importance of antioxidants is becoming more and more obvious in the repeated processing . During the high‐temperature processing of PP, many carbon‐centered radicals form, and conventional binary antioxidants (i.e., hindered phenol and phosphite antioxidant) cannot efficiently scavenge the radicals at once, so the high‐efficiency antioxidants are needed to increase the stability of PP.…”
Section: Introductionmentioning
confidence: 99%