منابع مشابه
Film Extrusion of Crambe abyssinica/Wheat Gluten Blends
Crambe abyssinica is a plant with potential for use in industrial (non-food) plant oil production. The side stream from this oil production is a high-protein crambe meal that has limited value, as it is not fit for food or feed use. However, it contains proteins that could potentially make it a suitable raw material for higher-value products. The purpose of this study was to find methods of mak...
متن کاملDegradation Of LDPE LLDPE and HDPE In Film Extrusion
The degradation of different polyethylenes, LDPE, LLDPE, and HDPE, with and without antioxidants and at different oxygen concentrations in the polymer granulates have been studied in extrusion coating processing. The degradation was followed by On Line Rheometry, Size Exclusion Chromatography, Surface Oxidation Index measurements, and GC-MS Chromatography. The degradations starts in the extrude...
متن کاملComparison of the Dynamic Thin Shell and Quasi-cylindrical Models for Blown Film Extrusion
Most models of blown film extrusion are based on thin shell theory, which was first applied to these processes by Pearson and Petrie. There has been some contention in the literature as to the suitability of the thin shell model. More recently, Liu and coworkers presented an alternative quasi-cylindrical model that neglects longitudinal curvature but was reported to agree more closely with expe...
متن کاملPoly(lactic acid) (PLA) Based Tear Resistant and Biodegradable Flexible Films by Blown Film Extrusion
Poly(lactic acid) (PLA) was melt mixed in a laboratory extruder with poly(butylene adipate-co-terephthalate) (PBAT) and poly(butylene succinate) (PBS) in the presence of polypropylene glycol di glycidyl ether (EJ400) that acted as both plasticizer and compatibilizer. The process was then scaled up in a semi-industrial extruder preparing pellets having different content of a nucleating agent (LA...
متن کاملLong-chain aliphatic polyesters from plant oils for injection molding, film extrusion and electrospinning
Dicarboxylic acids derived from plant oils are attractive intermediates for the synthesis of polymer materials. Similar to polyethylene, the incorporation of long methylene sequences enables polymer crystallization and renders polyesters hydrophobic. Long-chain aliphatic polyesters that incorporate the full length of the plant oil methylene sequences possess high melting points (Tm > 100 °C) an...
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ژورنال
عنوان ژورنال: Kobunshi
سال: 1993
ISSN: 0454-1138,2185-9825
DOI: 10.1295/kobunshi.42.752