Development of UHMWPE modified PP/PET blends and their mechanical and abrasive wear behavior
作者： Navin Chand , A. M. Naik , H. K. Khaira
DOI: 10.1002/PC.20302
关键词: Composite material 、 Polymer blend 、 Materials science 、 Tribology 、 Ultimate tensile strength 、 Polyethylene terephthalate 、 Abrasive 、 Shore durometer 、 Abrasion (mechanical) 、 Polypropylene
摘要: In this study, polypropylene and polyethylene terephthalate blend were modified by incorporating different percentages of ultrahigh molecular weight (UHMWPE) ranging from 1 to 5 phr. Modified blends prepared melt mixing the PP/PET UHMWPE. Ultimate tensile strength UHMWPE filled was determined at 10, 20, 50, 100 mm/min cross head speeds testing. It found that increase speed 10 increases PP/PET/UHMWPE blends. Maximum ultimate is exhibited containing 2 phr Breaking strain unmodified increased with due highly entangled chain structure Shore A hardness also 341 356, which highest for High stress abrasive wear using Suga abrasion tester, model NUS-1 Japan. Wear rate PP/PET(90/10) having 1, 2, loads such as 3, 5, 7 N sliding distances 6.4 m 25.6 m. values show has prominent effect on Addition improved resistance loads, been explained basis bonding compared pure hardness. reduction achieved adding in blend. POLYM. COMPOS. 28:267–272, 2007. © 2007 Society Plastics Engineers
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