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Effect of Y-Methacryloxypropyltrimethoxysilane (MPS) and Tetraethoxysilane (TEOS) Towards Preparation of Oil Absorbent Foams from Polyvinyl Alcohol (PVA) Reinforced with Microfibrillated Cellulose (MFC)

引用

Journal of Renewable Materials 2020年第7期8卷 739-757页

作者： Dzun Noraini Jimat Sharifah Shahira Syed Putra parveen jamal Wan Mohd Fazli Wan Nawawi Mohammed Saedi Jami Department of Biotechnology Engineering Kulliyyah of EngineeringInternational Islamic University MalaysiaKuala Lumpur50728Malaysia

Increasing usage of foams in various industry sectors had causing serious disposal problems once it reaches the end of its ***,PVA-MFC foam was prepared by freeze-drying using polyvinyl alcohol(PVA)and microfibrillated cellulose(MFC)as a reinforced material from sugarcane bagasse(SCB).In this study,the PVA-MFC foam was chemically silylated with Y-methacryloxypropyltrimethoxysilane(MPS)and tetraethoxysilane(TEOS).The wetting ability and mechanical strength of the silylated_(2,20)PVA-MFC foam was greatly enhanced compared with unmodified_(2,20)PVA-MFC *** silane chemicals(MPS and TEOS)had been confirmed grafted on_(2,20)PVA-MFC foam due to the presence of Si-C and Si-O-C stretching vibration as showed in Fourier Transform Infrared(FTIR)spectra and cloud-like coating of porous pore was observed in scanning electron microscopy(SEM)*** silylated_(2,20)PVA-MFC foam(MPS and TEOS)exhibited a series of desirable properties such as lower swelling ratio and high absorption capacity of solvents and oils but had low thermal stability in thermogravimetric(TGA)*** characterization of_(2,20)PVA-MFC foam using TEOS was further investigated.A significant difference in morphology was clearly observed between the unmodified and silylated_(2,20)PVA-MFC-TEOS foam through field emission scanning electron microscopy(FESEM)*** X-ray photoelectron(XPS)analysis of silylated_(2,20)PVA-MFC-TEOS foam confirmed the presence of C,O and trace amount of Si *** synthesized_(2,20)PVA-MFC foam could be a promising material for broad range of polymer foam applications.

关键词： Polyvinyl alcohol foam microfibrillated cellulose sugarcane bagasse Y-methacryloxypropyltrimethoxysilane tetraethoxysilane and oil absorbent

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