Abstract
في هذه الدراسة تم استخدام مخلفات بلاستيكية نوع (PVC و PET) لتحضير مادة متراكبة ذات اساس بوليمري (PMC) التي يمكن استخدامها في عدة تطبيقات. و تم تحضير المادة المتراكبة عن طريق خلط البولي استر غير المشبع مع المخلفات البلاستيكية بنوعيها و التي كانت بنسب وزنية مختلفة (0, 5, 10, 20 و 25%) والتي اضيفت على شكل رقائق. وكانت الاختبارات التي تم اجراؤها في هذا البحث هي (اختبار الشد, الانحناء والانضغاطية) كإختبارات ميكانيكية, في حين تم ايضا اجراء اختبارات (التوصيل الحراري و امتصاصية المياه) كإختبارات فيزيائية. قيم الشد والانضغاط ومعامل يونك للـUP والتي ازدادت بعد تدعيمها بالـ(PVC و PET). العزل الحراري للمادة المتراكبة وازداد بشكل ملحوظ بعد مقارنة بالـUP النقي. وأرتفعت ايضا القيم الامتصاصية للمياه بسبب وجود السطح البيني بين المادة الاساس والمادة المدعم بها. ان هذا البحث يسهم في الحث على اعادة تدوير المواد البلاستيكية حفاظا على البيئة وبتكلفة قليلة.
Highlights
It can be noticed that the values of ultimate tensile strength (UTS) increased with increasing the weight fraction of waste because plastic wastes act as reinforcing phase within the composite and sustain the larger amount of applied force on the material
It can be noticed that the values of UTS increased with increasing the weight fraction of waste because of the added waste acting as reinforcing phase, PET/unsaturated polyester resin (UP) gave the higher values of UTS compared to Polyvinyl chloride (PVC)/UP. 2
It can be noticed that ultimate compressive strength increased of UP after the reinforcement with PVC or PET. 4
Summary
Plastics are made from petroleum which considered as finite resources, and huge progress have been done in plastic wastes recycling technologies. Mechanical recycling methods to make plastic products and feedstock recycling methods that use plastic as a raw material in the chemical industry have been widely adopted, and awareness has grown recently of the importance of thermal recycling as a means of using plastics as an energy source to conserve petroleum resources, (Richard et al, 2009). The service industries, manufacturing processes and municipal solid wastes (MSW) generate abundant of waste plastic materials. The growing consciousness about the environment has extremely participated the attentions correlated to the disposal of plastic wastes. Because of limited space on landfills and increasing costs of plastics, utilization of waste plastics has become an attractive alternative for disposal, (Ahmed et al, 2017)
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