Muhammad Pervaiz

Muhammad Pervaiz
University of Toronto | U of T · Centre for Biocomposites & Biomaterials Processing, Faculty of Forestry

B.Sc(Chem Eng), M.Sc, PhD

About

32
Publications
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970
Citations

Publications

Publications (32)
Article
Full-text available
This study focuses the attention on clean energy and low-carbon materials as key enablers in circular economy (CE) transition and a more sustainable path of human development. Environmentally sustainable and socially inclusive economic growth has been suggested by the United Nations Sustainable Development Goals since 1990s. Diverse stakeholders in...
Article
Electro-responsive devices are used in actuators and artificial muscles but susceptible low deformation limits its applications. Herein, we prepared soft composites from functional multi-wall carbon nanotubes (FMWCNTs) and plasticized polyvinyl chloride (PVC). The PVC/FMWCNTs soft composite assembled with double layer electrodes functioned as a hig...
Article
Zwitterions, a class of materials that contain covalently bonded cations and anions, have been extensively studied in the past decades owing to their special features, such as excellent solubility in polar solvents, for solution processing and dipole formation for the transfer of carriers and ions. Recently, zwitterions have been developed as elect...
Chapter
Environmental consciousness, technology improvement, and stringent regulations have significantly increased the interest of biodegradable polymers in the industry in the past decade and polylactic acid (PLA) represents one of the most promising biopolymers. However, compared to the conventional petroleum-based polymers, owing to its inherent chemis...
Article
The current study presents about the effect of cellulose nanofibers (CNFs) filler on the thermal and dynamic mechanical analysis (DMA) of epoxy composites as a function of temperature. In this study hand lay-up method was used to fabricate CNF reinforced Epoxy nanocomposites with CNF loading of 0.5%, 0.75%, and 1% into epoxy resin. The obtained the...
Article
Present study, deals about isolation and characterization of cellulose nanofibers (CNFs) from the Northern Bleached Softwood Kraft (NBSK) pulp, fabrication by hand lay-up technique and characterization of fabricated epoxy nanocomposites at different filler loadings (0.5%, 0.75%, 1% by wt.). The effect of CNFs loading on mechanical (tensile, impact...
Chapter
The polarity of cellulose fibers due to the presence of hydroxyl and other groups is responsible for poor wetting of natural fibers by a non-polar matrix. Furthermore, a large difference in surface energy levels between resins and natural fiber reinforcements is responsible for poor interfacial bonding. All these factors affect the efficiency and d...
Chapter
Over the past few decades, the industrial application of biocomposites composed of engineering biopolymers reinforced with natural fibers has attracted increasing interest. There are several bio-based polymers commercially used and researched for improvements in properties for high-end structural applications. Polyamides are the most widely used en...
Article
Full-text available
Abstract Owing to unprecedented climate change issues in recent times, global automotive industry is striving hard in developing novel functional materials to improve vehicle’s fuel efficiency. It is believed that more than a quarter of all combined greenhouse gas emissions (GHG) are associated with road transport vehicles. All these facts in assoc...
Article
Full-text available
Owing to unprecedented climate change issues in recent times, global automotive industry is striving hard in developing novel functional materials to improve vehicle’s fuel efficiency. It is believed that more than a quarter of all combined greenhouse gas emissions (GHG) are associated with road transport vehicles. All these facts in association wi...
Chapter
Full-text available
Increasing concern over material usage and its impact on the environmental have escalated the growth of green composite materials. There are tremendous opportunities where conventional mineral and synthetic based materials can be replaced with green composite materials. Before green composites can be used to manufacture various products, it is impo...
Article
In a rapidly urbanizing global society, the issue of solid waste management has become even more challenging in recent times. Manufacturing of paper, an integral part of human civilization, generates a substantial amount of effluent sludge, which invariably needs extra monetary resources to dispose-off in millions of tons annually around the world....
Article
Novel plastics that are biodegradable, environmentally benign, and made from renewable natural resources are currently being researched as alternatives to traditional petroleum-based plastics. One such plastic, thermoplastic starch (TPS) is produced from starch processed at high temperatures in the presence of plasticizers, such as water and glycer...
Article
Full-text available
Maximizing recovery and characterization of extractable proteins from secondary paper sludge is essential to explore the potential value from utilization of readily available waste products from pulp and paper mills. A multistep physicochemical recovery process was used, involving optimum alkaline solubilization of protein into an aqueous phase fol...
Article
Secondary sludge (SS) and mixed sludge (MS) from a Canadian paper mill were characterized, and investigated for extracellular polymeric substances (EPS) to explore the potential opportunity for value added utilization of waste paper sludge as wood adhesive. After basic characterization which showed the availability of significant amount of organic...
Article
Full-text available
In this study, secondary sludge (SS) from a kraft paper mill was used as a source of biomass to recover protein and investigate its potential use as a wood adhesive. The process of protein recovery involved disruption of the floc structure in alkaline medium to disintegrate and release intercellular contents into the aqueous phase followed by separ...
Patent
The use of natural fibers as reinforcing filler in thermoplastics is a relatively new innovation and has great potential to replace glass fiber products in building, consumer goods, furniture and automotive industry. Our published results demonstrated that laying natural fiber mat and polymer film in a definite pattern and orientation can enhance m...
Article
Secondary sludge (SS) and mixed sludge (MS) from a Canadian paper mill were characterized, and investigated for extracellular polymeric substances (EPS) to explore the potential opportunity for value added utilization of waste paper sludge as wood adhesive. After basic characterization which showed the availability of significant amount of organic...
Article
Recent climate changes have confirmed that global warming is the most pervasive threat to delicate ecosystem of our planet and there is an urgent need on world-wide basis to control and reduce the CO2 emissions. Time has come for both research institutes and industries to follow an environmental sustainable path and develop new technologies based o...
Article
Full-text available
The paper deals widi die evaluation of interfacial shear stress (ISS) between reinforcement fibre (hemp) and polypropylene matrix through single fibre pull-out method and subsequently the critical length of the composite grade hemp fibre has been determined. In the present study the average ISS value of 5.9 MPa was used to determine the critical le...
Article
Styrene Maleic Anhydride (SMA) based surface sizing products are now increasingly being recognized as leadingedge technology for surface sizing of paper and paperboards under neutral and alkaline conditions. In addition to effective and efficient sizing, SMA chemistries also contribute to faster cure, improved film forming and toner adhesion proper...
Conference Paper
Natural fiber mat (NMT) composites are ecologically and energetically beneficial because of their light-weight at high fibre content. This study demonstrated that the use of loose natural fibre in NMT process could lead to tremendous improvement in the shock absorption properties. It is also concluded that in NMT process fibre length above the crit...
Article
The environmental performance of hemp based natural fiber mat thermoplastic (NMT) has been evaluated in this study by quantifying carbon storage potential and CO2 emissions and comparing the results with commercially available glass fiber composites. Non-woven mats of hemp fiber and polypropylene matrix were used to make NMT samples by film-stackin...
Article
The use if natural fibers as reinforcing filler in thermoplastics is a relatively new application and has great potential in replacing glass fiber products in automotive industry. However, most of the research in this area has been focused primarily on flax fiber. In the first part of the work presented here, hemp fiber non-woven mats are used excl...

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