نتایج جستجو برای: unsaturated polyester amide

تعداد نتایج: 35060  

Journal: :IOP conference series 2021

Abstract Using the most environmentally sustainable agro-waste fibers as reinforcement has opened up a new direction for polymer composite research. Research recommended that altering of fibre surface by both chemical and physical means, increases performance characteristic natural fibre/polymer matrix. In this study, high-frequency microwave irradiation at frequency 2.45 GHZ 550W power was use...

2009
Gonzalo Martínez-Barrera Ana Laura Martínez-Hernández Carlos Velasco Witold Brostow

The well-known key problem with concrete is that its compressive strength and the compression modulus are insufficient for a variety of applications. Our polymer concrete (PC) consists of an unsaturated polyester resin as the polymeric matrix, silica sand as the inorganic aggregate, plus atactic polypropylene (PP) fibers. A further property improvement can be achieved by gamma irradiation and w...

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