Maleic acid grafted low density polyethylene for thermally sprayable anticorrosive coatings

Singh, S.K.; Tambe, S.P.; Samui, A. B.; Raja, V.S.; Kumar, Dhirendra

doi:10.1016/j.porgcoat.2005.09.007

Cited by 31 publications

(14 citation statements)

References 20 publications

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“…Since maleic acid was grafted on LDPE by reactive extrusion, there is a possibility of conversion of acid into anhydride due to heat treatment during extrusion [12,13]. The anhydride peak (1785 cm −1 ) was absent in FTIR spectra of grafted LDPE using irradiation method [9]. There are no peaks at 1715 and 1785 cm −1 in the FTIR spectrum of LDPE as no carbonyl group exists in LDPE.…”

Section: Resultsmentioning

confidence: 99%

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Thermally sprayable polyethylene coatings for marine environment

Singh

Tambe

Raja

et al. 2007

Progress in Organic Coatings

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Section: Resultsmentioning

confidence: 99%

“…Earlier, in our work [9] we have modified LDPE with maleic acid by ␥-irradiation technique. But this technique has certain limitations such as bulk modification is difficult due to nonavailability of ␥-irradiation facility and reaction with monomer has to be carried out immediately after exposure to radiation.…”

Section: Introductionmentioning

confidence: 99%

Thermally sprayable polyethylene coatings for marine environment

Singh

Tambe

Raja

et al. 2007

Progress in Organic Coatings

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“…Thermal decomposition behavior was investigated by heating the sample at 10 C=min under nitrogen atmosphere from an initial temperature of 50 C to 700 C. The acid value of the grafted polymer was determined by wet chemical titration technique as per the procedure reported elsewhere [21]. Briefly, 0.5 g of the sample was suspended in 25 ml of 0.1 N aqueous NaOH solution.…”

Section: Film Characterizationmentioning

confidence: 99%

Investigating the Degradation Behavior of LDPE-grafted Maleic Anhydride for Use as Compatibilizer in Environmentally Degradable Compositions

Roy

Swami

Kumar

et al. 2012

International Journal of Polymeric Materials

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In this paper, we report the degradation behavior of a LDPE-grafted Maleic anhydride polymer prepared using a reactive extrusion technique. 70 AE 5 mm blown films were exposed to oxidative environments, and the degradation was followed by monitoring physico-chemical and morphological changes. The studies indicated that grafting with Maleic anhydride does not affect the degradation characteristics of the base polymer. Kinetic parameters of degradation, as estimated using non-isothermal TGA, were used to estimate the theoretical lifetime of the polymers, which remained unaltered due to grafting. The results, however, indicated that cobalt stearate, a typical pro-oxidant, led to massive degradation during thermal processing.

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“…Los materiales obtenidos presentaron un comportamiento seudoplástico y la viscosidad disminuyó con la adición de poliácido acrílico. Singh y colaboradores [15], modificaron PEBD con ácido maleico (10 %). El mayor porcentaje de injerto obtenido fue de 2.4 %.…”

Section: Introductionunclassified

Polietileno de baja densidad funcionalizado con un poliéster poliol altamente ramificado maleinizado

Ararat

Murillo

2016

ing.cienc.

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ResumenEn este trabajo, polietileno de baja densidad (PEBD) fue modificado en estado fundido con un poliester poliol altamente ramificado maleinizado (HBPAM), usando varias proporciones de peróxido de dicumilo (0.5, 1.0, 1.5 y 2.0 %). El análisis infrarrojo mostró las señales de grupos OH, C=O, -COOR y -C=C-del HBPAM en el espectro de las muestras funcionalizadas (PEBD-g-HBPAM). El grado de injerto (GI) fue entre 9.14 y 9.82 %. El índice de fluidez de las muestras PEBD-g-HBPAM fue más bajo que el del PEBD, y no exhibió una dependencia con el contenido de peróxido de dicumilo y GI. Excepto para la muestra obtenida con un 2.0 % de peróxido de dicumilo, todas las temperaturas de fusión de las muestras de PEBD-g-HBPAM fueron similares a la del PEBD. La entalpia de fusión de las muestras de PEBD-g-HBPAM disminuyó con la concentración de peróxido de dicumilo y GI. El módulo ténsil de estas muestras fue más alto que el del PEBD, pero la elongación a la ruptura fue más baja.

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Maleic acid grafted low density polyethylene for thermally sprayable anticorrosive coatings

Cited by 31 publications

References 20 publications

Thermally sprayable polyethylene coatings for marine environment

Thermally sprayable polyethylene coatings for marine environment

Investigating the Degradation Behavior of LDPE-grafted Maleic Anhydride for Use as Compatibilizer in Environmentally Degradable Compositions

Polietileno de baja densidad funcionalizado con un poliéster poliol altamente ramificado maleinizado

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