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Assessing Mechanical Loss in Typical...

Sneidman, Mark.

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Assessing Mechanical Loss in Typical Polyolefins via Mechanical Reprocessing.

紀錄類型:	書目-電子資源 : Monograph/item
正題名/作者:	Assessing Mechanical Loss in Typical Polyolefins via Mechanical Reprocessing./
作者:	Sneidman, Mark.
出版者:	Ann Arbor : ProQuest Dissertations & Theses, : 2024,
面頁冊數:	37 p.
附註:	Source: Masters Abstracts International, Volume: 85-07.
Contained By:	Masters Abstracts International85-07.
標題:	Engineering. -
電子資源:	https://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=30816768
ISBN:	9798381375848

Assessing Mechanical Loss in Typical Polyolefins via Mechanical Reprocessing.
Sneidman, Mark.

Assessing Mechanical Loss in Typical Polyolefins via Mechanical Reprocessing. - Ann Arbor : ProQuest Dissertations & Theses, 2024 - 37 p.

Source: Masters Abstracts International, Volume: 85-07.

Thesis (M.S.)--Lehigh University, 2024.

This item must not be sold to any third party vendors.

How recyclable is a yogurt cup? A report recently stated that polypropylene (PP) the material for which yogurt cups are made, was not recyclable. The reason for this statement was strictly based on the difficulty of separating PP from the similarly ubiquitous material, polyethylene. Polypropylene and polyethylene are not miscible materials, meaning that when blended, the subsequent blended product is not usable due to the two-phase nature of the blend. (9) Processors that use recycled material would prefer not to deal with the contamination and thus discourage the introduction of PP to their material stream. Simply stating that polypropylene is not recyclable is not true. Anyone familiar with polymer processing knows that you can simply reduce the particle size of the yogurt cup, feed it back into the melt process of your choice, and remake the yogurt cup. But that does come at some cost, but at what cost? How many times can that cup be reprocessed, and it still preform as intended? This study seeks to shed some light on that question. 

ISBN: 9798381375848Subjects--Topical Terms:

586835
Engineering.
Subjects--Index Terms:

Mechanical loss

Assessing Mechanical Loss in Typical Polyolefins via Mechanical Reprocessing.
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245 1 0 $a Assessing Mechanical Loss in Typical Polyolefins via Mechanical Reprocessing.
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300 $a 37 p.
500 $a Source: Masters Abstracts International, Volume: 85-07.
500 $a Advisor: Jedlicka, Sabrina.
502 $a Thesis (M.S.)--Lehigh University, 2024.
506 $a This item must not be sold to any third party vendors.
520 $a How recyclable is a yogurt cup? A report recently stated that polypropylene (PP) the material for which yogurt cups are made, was not recyclable. The reason for this statement was strictly based on the difficulty of separating PP from the similarly ubiquitous material, polyethylene. Polypropylene and polyethylene are not miscible materials, meaning that when blended, the subsequent blended product is not usable due to the two-phase nature of the blend. (9) Processors that use recycled material would prefer not to deal with the contamination and thus discourage the introduction of PP to their material stream. Simply stating that polypropylene is not recyclable is not true. Anyone familiar with polymer processing knows that you can simply reduce the particle size of the yogurt cup, feed it back into the melt process of your choice, and remake the yogurt cup. But that does come at some cost, but at what cost? How many times can that cup be reprocessed, and it still preform as intended? This study seeks to shed some light on that question. 
590 $a School code: 0105.
650 4 $a Engineering. $3 586835
650 4 $a Polymer chemistry. $3 3173488
650 4 $a Materials science. $3 543314
653 $a Mechanical loss
653 $a Polyolefins
653 $a Recycled material
653 $a Polypropylene
653 $a Yogurt cup
690 $a 0537
690 $a 0794
690 $a 0495
710 2 $a Lehigh University. $b Polymer Science and Engineering. $3 2106405
773 0 $t Masters Abstracts International $g 85-07.
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791 $a M.S.
792 $a 2024
793 $a English
856 4 0 $u https://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=30816768