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A roadmap towards green packaging: the current status and future outlook for polyesters in the packaging industry

Green Chem., 2017, 19,4737-4753

DOI: 10.1039/C7GC02521A, Tutorial Review

M. Rabnawaz, I. Wyman, R. Auras, S. Cheng
Approximately 99% of the plastics used in the packaging industry today are petroleum-based. However, the adoption of biobased plastics could help to greatly reduce the environmental footprint of packaging materials and help to conserve our non-renewable petroleum resources. This tutorial review provides an overview of renewable polyesters and their potential packaging materials.

A roadmap towards green packaging: the current status and future outlook for polyesters in the packaging industry

http://pubs.rsc.org/en/Content/ArticleLanding/2017/GC/C7GC02521A?utm_source=feedburner&utm_medium=feed&utm_campaign=Feed%3A+rss%2FGC+%28RSC+-+Green+Chem.+latest+articles%29#!divAbstract

M. Rabnawaz,*^a I. Wyman,^b R. Auras^a and S. Cheng^a

Author affiliations

*Corresponding authors

^aSchool of Packaging, Michigan State University, 448 Wilson Road, East Lansing, USA
E-mail:rabnawaz@msu.edu, aurasraf@anr.msu.edu, Shouyun-Cheng@hotmail.com

^bDepartment of Chemistry, Queen’s University, 90 Bader Lane, Kingston, Canada
E-mail:3iww@queensu.ca

Muhammad Rabnawaz

Assistant Professor

rabnawaz@msu.edu
Telephone: 517-432-4870

Rabnawaz’s Research Group
School of Packaging

Shouyun Cheng

Doctor of Philosophy

Research Associate

Michigan State University , East Lansing · School of Packaging

Michigan State University | MSU

School of Packaging

East Lansing, MI, United States

Dr. Cheng earned his PhD from South Dakota State University in May 2017. He has extensive research experiences in biomass pyrolysis and liquefaction, bio-oil catalytic cracking and hydrodeoxygenation, catalyst design, preparation, characterization and evaluation, food extruding, nano cellulose and protein peptides production, polymer synthesis, characterization and application.

Project Titles worked on: Innovation for Improved Sustainability: Scalable Approach for the Preparation of Thermoplastic Starches and their Composites for Applications in Biodegradable Packaging .

Duration in the group: August 2017- Present

Areas of Interest: Polycarbonates and polyesters synthesis, characterization and application.

MSU email Id: chengsho@msu.edu

Ian Wyman

Education: Ph.D., Queen’s University, Kingston, Ontario
M.Sc., St. Francis Xavier University, Antigonish, Nova Scotia
B.Sc. Chemistry, Dalhousie University, Halifax, Nova Scotia

Email: wymani@chem.queensu.ca

Abstract

Approximately 99% of the plastics produced today are petroleum-based, and the packaging industry alone consumes over 38% of these plastics. In this review, we argue that renewable polyesters can provide a key milestone as renewable plastics in the route toward green packaging. This review describes different classes of polyesters with particular regard to their potential use as packaging materials. Some of the families of polyesters discussed include poly(ethylene terephthalate) and its renewable analogs, poly(lactic acid), poly(hydroxyalkanoates), and poly(epoxy anhydrides). The synthesis of polyesters is discussed from a green chemistry perspective. A structure–property correlation among the various polyesters is also discussed. The challenges that currently hinder the widespread adoption of polyesters as leading packaging materials are reviewed. The environmental footprint and end of life scenario of polyesters are discussed. Finally, future research directions are summarized as a possible roadmap towards the widespread adoption of renewable polyesters as sustainable packaging materials.

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Muhammad Rabnawaz

Assistant Professor

rabnawaz@msu.edu
Telephone: 517-432-4870

Rabnawaz’s Research Group
School of Packaging

Research Interests

I have published more than 20 research articles in the field of polymer and materials sciences. Our initial endeavors can be divided into three broad categories:

Polymer synthesis from renewable feedstocks.
Design and preparation of smart materials.
Polymer composites.

Our projects are highly applied, and we expect close collaboration with world-leading industries. These partnerships will offer unique training and career opportunities for the group members.

Experience

Assistant Professor, School of Packaging, Michigan State University (2016-currrent)
Postdoctorate, University of Illinois, Urbana-Champaign, 2015-2016
Postdoctorate, Queen’s University, Canada, 2013-2015

Education

Ph.D., Chemistry, Queen’s University, Canada, 2013
M.Sc., Chemistry, University of Peshawar, Pakistan, 2004

Muhammad Rabnawaz

Image for unlabelled figure

The current work outlines the application of an up-to-date and regulatory-based pharmaceutical quality management method, applied as a new development concept in the process of formulating dry powder inhalation systems (DPIs). According to the Quality by Design (QbD) methodology and Risk Assessment (RA) thinking, a mannitol based co-spray dried formula was produced as a model dosage form with meloxicam as the model active agent.

The concept and the elements of the QbD approach (regarding its systemic, scientific, risk-based, holistic, and proactive nature with defined steps for pharmaceutical development), as well as the experimental drug formulation (including the technological parameters assessed and the methods and processes applied) are described in the current paper.

Findings of the QbD based theoretical prediction and the results of the experimental development are compared and presented. Characteristics of the developed end-product were in correlation with the predictions, and all data were confirmed by the relevant results of the in vitro investigations. These results support the importance of using the QbD approach in new drug formulation, and prove its good usability in the early development process of DPIs. This innovative formulation technology and product appear to have a great potential in pulmonary drug delivery.

Fig. 1.

Steps and elements of the QbD methodology completed by the authors and applied in the early stage of pharmaceutical development.

“By identifying the critical process parameters, the practical development was more effective, with reduced development time and efforts.”

Edina Pallagi, our QbD evangelist from Hungary shares her team’s experience applying QbD to Dry Powder Inhalation Formulation.

The paper covers:

QbD methodology the researchers applied
Formulation of dry powder inhalation – API and excipients
QTPP, CQA and CPPs identified for pulmonary use along with target, justification and explanation
Characterization test methods
Knowledge Space development
QbD software used

New aspects of developing a dry powder inhalation formulation applying the quality-by-design approach

^a Institute of Drug Regulatory Affairs, University of Szeged, Faculty of Pharmacy, Szeged, Hungary
^b Department of Pharmaceutical Technology, University of Szeged, Faculty of Pharmacy, Szeged, Hungary

http://www.sciencedirect.com/science/article/pii/S0378517316306330

International Journal of Pharmaceutics

Volume 511, Issue 1, 10 September 2016, Pages 151–160

http://dx.doi.org/10.1016/j.ijpharm.2016.07.003

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