2019
DOI: 10.1002/app.47548
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Durability of the flame retardance of ethylene‐vinyl acetate copolymer cables: Comparing different flame retardants exposed to different weathering conditions

Abstract: Scientific publications addressing the durability of the flame retardance of cables during their long-term application are rare and our understanding lacks. Three commercial flame retardants, aluminum hydroxide, aluminum diethyl phosphinate (AlPi-Et), and intumescent flame retardant based on ammonium polyphosphate, applied in ethylene-vinyl acetate copolymer (EVA) model cables, are investigated. Different artificial aging scenarios were applied: accelerated weathering (UV-irradiation/temperature/rain phases), … Show more

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Cited by 11 publications
(8 citation statements)
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References 41 publications
(50 reference statements)
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“…As stated in our previous paper, 36 the maximum UV radiative exposure in artificial weathering exposure for no more than 2000 h is roughly equivalent to about 14 months or more outdoors in Berlin (considering longer periods of high temperatures in the artificial test would further increase this equivalence). Therefore, with respect to flame retardancy there should be no problem with the application of these typical kinds of cables for several years.…”
Section: Discussionmentioning
confidence: 69%
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“…As stated in our previous paper, 36 the maximum UV radiative exposure in artificial weathering exposure for no more than 2000 h is roughly equivalent to about 14 months or more outdoors in Berlin (considering longer periods of high temperatures in the artificial test would further increase this equivalence). Therefore, with respect to flame retardancy there should be no problem with the application of these typical kinds of cables for several years.…”
Section: Discussionmentioning
confidence: 69%
“…The data for the EVA/MDH obtained from the cone calorimeter showed, three peaks in each HRR curve. The char layer generated in the first peak did not offer sufficient protection to prevent the subsequent combustion believed to be typical for cable rafts, 36 as apparent in the appearance of the following two peaks in the HRR curve.…”
Section: Resultsmentioning
confidence: 99%
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“…Nevertheless, EVA resin is extremely flammable and releases a high emission of heat and smoke, making flame-retardant modification an urgent concern [4,5]. For environmental concerns, intumescent flame retardants (IFRs) with low-toxicity, low smoke, and high efficiency are acceptable halogen-free flame retardants for EVA composites [6,7]. Among the components of the hybrid IFR system, phosphor-containing flame retardants such as ammonium polyphosphate (APP) and its derivatives are the most widely used acid source [8][9][10].…”
Section: Introductionmentioning
confidence: 99%