Natural source compatibilizers for olive waste/recycled polypropylene matrix composites

A simple, environmentally friendly process was developed for surface hydrophobization of cellulose‐rich waste to improve their compatibility with recycled polypropylene (rPP), helping reduce costs while recycling environmentally problematic waste such as solid olive waste (also called olive pomace)....

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Bibliographic Details
Published in:Polymers for advanced technologies 2023-02, Vol.34 (2), p.731-739
Main Authors: Rapoport, Zohar, Levy, Galy, Dotan, Ana
Format: Article
Language:English
Subjects:
Bonding strength
Cellulose
Compatibility
compatibilizer
Compatibilizers
Contact angle
Elongation
environmentally friendly
epoxidized soy‐bean oil
lignocellulose
olive waste
Polymer matrix composites
Polypropylene
recycling
Ring opening polymerization
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Summary:A simple, environmentally friendly process was developed for surface hydrophobization of cellulose‐rich waste to improve their compatibility with recycled polypropylene (rPP), helping reduce costs while recycling environmentally problematic waste such as solid olive waste (also called olive pomace). In this study, an improvement of the interfacial bonding strength between the hydrophilic waste particles and the hydrophobic matrix was achieved by surface hydrophobization of the waste using a ring‐opening polymerization reaction of epoxidized soy‐bean oil (ESBO) with SnCl2 as a catalyst. The treatment on cellulose based filter paper led to a contact angle of 128°. The composite containing treated olive pomace has shown an increase in the elongation of 92% and an increase in the stress at yield of 15%, indicating improved compatibility.
ISSN:1042-7147
1099-1581
DOI:10.1002/pat.5924