Synthesis and Evaluation of Amides as Slip Additives in Polypropylene
作者： F. Coelho , L. F. Vieira , R. Benavides , M. Marques da Silva Paula , A. M. Bernardin
DOI: 10.3139/217.3097
关键词: Materials science 、 Polymer 、 Slip (ceramics) 、 Extrusion 、 Surface energy 、 Composite material 、 Polypropylene 、 Thermal decomposition 、 Masterbatch 、 Contact angle
摘要: Abstract In this study, we describe the synthesis of amides and evaluate their use as slip additive agents in polypropylene films. The additives N-isopropyl-stearamide N,N-diisopropyl-stearamide were synthesized characterized then used to prepare masterbatches. Erucamide, a commercial masterbatch, was reference standard. A 32 factorial experimental design create different compositions polymer films processed via flat-die extrusion stored an oven at constant temperature 40 °C for seven days. following are properties evaluated study: thermal decomposition temperature, fusion enthalpy, coefficient friction, surface energy, contact angle, seal initiation temperature. results by analysis variance (ANOVA) 90 % confidence interval. showed that N-isopropyl stearamide N,N-diisopropyl do not provide adequate surfac...
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