1995
DOI: 10.1016/0141-3910(94)00098-s
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Lifetime prediction for HALS-stabilized LDPE and PP

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Cited by 39 publications
(22 citation statements)
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“…Billingham and Calvert 2) proposed a theoretical model for predicting the lifetime of polymers on the basis of additive volatility, solubility, diffusion rate, and the critical stabilizer concentration. The studies of Malík et al 10) revealed good agreement between this theoretical model and the data determined experimentally by accelerated weathering of poly(propylene) (PP) and LDPE stabilized with HALS. The stabilizing effectiveness is influenced by the molecular mass of the antioxidant.…”
Section: Solubilitysupporting
confidence: 60%
“…Billingham and Calvert 2) proposed a theoretical model for predicting the lifetime of polymers on the basis of additive volatility, solubility, diffusion rate, and the critical stabilizer concentration. The studies of Malík et al 10) revealed good agreement between this theoretical model and the data determined experimentally by accelerated weathering of poly(propylene) (PP) and LDPE stabilized with HALS. The stabilizing effectiveness is influenced by the molecular mass of the antioxidant.…”
Section: Solubilitysupporting
confidence: 60%
“…g COu k 1u ½POOH þg COb k 1b ½POOH 2 (10) g COu and g COb being the carbonyl yields of respectively uni-and bimolecular POOH decomposition taken equal to 1 from previous study [43]. (1 À x C ) term is included to take into account the fact that oxidation possibly occurs only in amorphous phase.…”
Section: Resultsmentioning
confidence: 99%
“…-The well-known important role of transport phenomena in stabilizer performance [10,11]. -The high complexity of stabilization mechanisms.…”
Section: Introductionmentioning
confidence: 99%
“…The effectiveness of particular HALS as stabilising agents can be attributed to their ability to itself including resin systems, pigment components, curing temperatures and the degree of 527" degradation experienced [12,36,[39][40][41]. In order to optimise HALS compounds, particularly 528" for use in coil coatings, understanding the molecular changes that may occur in situ leading to …”
Section: "mentioning
confidence: 99%
“…This in turn has implications for their activation and performance under subsequent in-service conditions. [12,36,[39][40][41]. In order to optimise HALS compounds, particularly 528 for use in coil coatings, understanding the molecular changes that may occur in situ leading to activation or deactivation of HALS and affecting the total active content remaining in the 530 coating after curing is vital.…”
mentioning
confidence: 99%