Preprint Article Version 1 Preserved in Portico This version is not peer-reviewed

Development of a Breathable Packaging Film for Fresh Products

Version 1 : Received: 19 March 2024 / Approved: 20 March 2024 / Online: 21 March 2024 (02:15:58 CET)

A peer-reviewed article of this Preprint also exists.

Rodrigues, P.V.; Castro, M.C.R.; Soares, A.M.S.; Melro, L.; Machado, A.V. Development of a Polyethylene Breathable Packaging Film with Modified Microcrystalline Cellulose for Fresh Products. Macromol 2024, 4, 269-281. Rodrigues, P.V.; Castro, M.C.R.; Soares, A.M.S.; Melro, L.; Machado, A.V. Development of a Polyethylene Breathable Packaging Film with Modified Microcrystalline Cellulose for Fresh Products. Macromol 2024, 4, 269-281.

Abstract

In this study a material based on Polyethylene (PE) and Microcrystalline Cellulose (MC) was developed as a breathable packaging film. Surface functionalization of MC with 3 aminopropyltriethoxysilane (APTES) shows to be an efficient alternative to tailor their properties and increase opportunities for the application of MC on the reinforcement of polymers such polyethylene (PE). Functionalization of MC with mentioned silane derivative was achieved using a green method and later used on the development of composites with PE in three percentages (1, 3 and 5%). All the materials were prepared by melt blending and characterized, in terms of structural properties (ATR-FTIR and FTIR in transmittance, EDX, SEM), thermal properties (DSC and TGA), thermomechanical properties (DMA), contact angle measurements and permeability to oxygen and water vapor. The materials demonstrated to have potential to be used as breathable film packaging of fresh products.

Keywords

polyethylene composites; microcrystalline cellulose; food packaging; surface functionalization

Subject

Chemistry and Materials Science, Polymers and Plastics

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