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   AN INVESTIGATION INTO THE PHYSICAL PROPERTIES OF POLYETHYLENE GAS PIPES BY THE INCORPORATION OF ANTIRODENT MASTERBATCHES  
   
نویسنده Nalbandi Ahmad ,Hossein Khanli Homayoon
منبع journal of petroleum science and technology - 2013 - دوره : 3 - شماره : 1 - صفحه:51 -59
چکیده    The incorporation of several anti-rodent masterbatches into polyethylene (pe) granules used forgas pipes and the effects of the masterbatches on the physical properties of the pipes werestudied. four commercial anti-rodent masterbatches from different international companiesincluding, clariant, alchemix, polyone, and newgen were used in this research. each of the masterbatch was primarily dry-blended with pe granules by a laboratory-scale tumbling mixer. the concentration of anti-rodent masterbatches used in the pe blends was fixed according to the recipe recommended by the producers as 1, 2.5, 3, and 4 phr for the masterbatches of clarian, alchemix, polyone, and newgen respectively. pe granules and masterbatch blends were separately fed into the hopper of a pipe extruder and a length of a hundred and fifty meters of the pipe with theoutside diameter (o.d.) of 25 millimeters was continuously produced for each anti-rodent-addedpe compound. two groups of experiments were planned for this investigation; laboratory experiments including impact resistance, tensile elongation, environmental stress cracking (escr), melt flow rate (mfr), and differential scanning calorimetry (dsc) were carried out on the control (anti-rodent free) and anti-rodent-added pe100 test samples prepared in the laboratory. also, a group of factory tests such as burst, hydrostatic (100, 165, and 1000 hr), slow crack growth (scg), and oxygen induction time (oit) were performed on the control and anti-rodent-added pipesamples.
کلیدواژه Anti-rodent Materials ,Polyethylene Pipes ,Rodent Attacks ,Melt Blending
آدرس Research Institute of Petroleum Industry (RIPI), Polymer Science and Technology Division, ایران, Research Institute of Petroleum Industry (RIPI), Polymer Science and Technology Division, ایران
 
     
   
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