Application of Walnut Shells-Derived Biopolyol in the Synthesis of Rigid Polyurethane Foams
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DOI: 10.3390/ma13122687
Abstract: This study aimed to examine rigid polyurethane (PUR) foam properties that were synthesized from walnut shells (WS)-based polyol. The Fourier Transform Infrared Spectroscopy (FTIR) results revealed that the liquefaction of walnut shells was successfully performed.… read more here.
Keywords: pur foams; rigid polyurethane; walnut shells; based polyol ... See more keywords
Is Fracture Toughness of PUR Foams a Material Property? A Statistical Approach
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DOI: 10.3390/ma13214868
Abstract: The published data on the experimentally determined fracture toughness of foams are based on a small number of specimens, having a lack of statistical consistency. The paper proposes a statistical approach on the fracture toughness… read more here.
Keywords: pur foams; statistical approach; fracture; toughness pur ... See more keywords
Waste Wood Particles from Primary Wood Processing as a Filler of Insulation PUR Foams
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DOI: 10.3390/ma14174781
Abstract: A significant part of the work carried out so far in the field of production of biocomposite polyurethane foams (PUR) with the use of various types of lignocellulosic fillers mainly concerns rigid PUR foams with… read more here.
Keywords: pur foams; wood particles; pur; waste wood ... See more keywords