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Waste PP recycling technology

Categories:Polypropylene film News
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Time of issue:2022-11-11 13:33
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(Summary description)Alloying is the process of mixing waste PP with other polymer materials to prepare macroscopically homogeneous materials. By selecting different polymer materials for alloying, the processing properties,

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Waste PP recycling technology

Categories:Polypropylene film News
Author:
Origin:
Time of issue:2022-11-11 13:33
Views:

Information

Alloying is the process of mixing waste PP with other polymer materials to prepare macroscopically homogeneous materials. By selecting different polymer materials for alloying, the processing properties, physical and mechanical properties of waste PP can be improved. For example, the use of elastomers can significantly improve the impact toughness of waste PP.

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There are studies on the mechanical properties and thermal deformation behavior of waste PP/RU composite rubber (natural rubber and styrene-butadiene rubber each account for 50%). The continuous phase of waste PP can significantly improve the impact strength and elongation at break of waste PP, but it will reduce the rigidity and thermal deformation resistance of PP.
Because most elastomers are incompatible with waste PP, the interface bonding is poor, and there is phase separation during processing and use, which affects its performance. In order to improve the interfacial compatibility of waste PP alloys and enhance the interfacial adhesion, many scholars have carried out extensive research and found two kinds of materials that can enhance the interfacial adhesion of the blended materials and improve the storage modulus, loss modulus and system viscosity of the blended materials.

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