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Journal of Material Sciences & Engineering

ISSN: 2169-0022

Open Access

Zhang G


Tanzania

Publications
  • Review Article
    Developing Polypropylene Bonded Hindered Phenol Antioxidants for Expanding Polypropylene Applications in High Temperature Conditions
    Author(s): Zhang G, Nam C and Mike Chung TCZhang G, Nam C and Mike Chung TC

    Polypropylene (PP) represents about a quarter of commercial plastics produced around the world. Despite its huge commercial success, PP polymer is not suitable for the applications that require long-term exposure to high temperatures (>80°C), due to its chemical and physical stability. The PP chain is prone to the oxidative chaindegradation and exhibits a relatively low material softening temperature. This paper discusses a new research approach by developing the PP-bonded hindered phenol (PP-HP) antioxidants to address this scientifically challenging issue. We have investigated two PP-HP structures, one with two methylene units adjacent to the hindered phenol group (HP-L) and one without this spacer (HP-S). In general, PP-HP polymers are advantaged with the ability to incorporate a suitable concentration of HP antioxidant groups with homogeneous distribution along the polymer .. Read More»
    DOI: 10.4172/2169-0022.1000393

    Abstract PDF

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Citations: 3677

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