Results 11 to 20 of about 14,715 (211)

Investigating the correlation between ultrasonic pulse velocity and compressive strength in polyurethane foam concrete [PDF]

Scientific Reports
Using waste polyurethane foam as a partial replacement for natural coarse aggregates in concrete provides an eco-friendly solution by reducing waste and conserving natural resources.
R. Roobankumar, M. SenthilPandian
doaj   +2 more sources

Comparative analysis of the mechanical behavior and plastic deformation of empty and polyurethane foam-filled polyethylene tubes under lateral compression [PDF]

Scientific Reports
In this research, the energy absorption and plastic deformation of circular polyethylene tubes under lateral compression were investigated, comparing empty tubes with those filled with polyurethane foam.
Seyedahmad Taghizadeh, Abbas Niknejad, Lorenzo Maccioni, Franco Concli   +3 more
doaj   +2 more sources

A review of utilization of waste polyurethane foam as lightweight aggregate in concrete [PDF]

Heliyon
Engineered concrete mixes using industrial waste as a construction material are an enormous step towards sustainable development and financial benefits.
R. Roobankumar, M. SenthilPandian
doaj   +2 more sources

Relative Humidity Influences Aureobasidium pullulans Degradation of Polyester Polyurethane Foam. [PDF]

Environ Microbiol Rep
The plant pathogen Aureobasidium pullulans' ability to degrade polyurethane foam is impacted by Equilibrium Relative Humidity (ERH). These impacts can be observed through foam weight loss, scanning electron microscopy (SEM), fungal growth, and cutinase gene expression.
Stickney A, Renninger N, Wagner D, Dusen JV, Roman VA, Varaljay V, Stamps BW, Kelley-Loughnane N, Dannemiller KC.   +8 more
europepmc   +2 more sources

Modified raw cellulose filaments material as polyol substitute in rigid insulating polyurethane foam [PDF]

Scientific Reports
Current research in building insulation is primarily focused on enhancing the performance of polyurethane foam or exploring alternatives with biobased materials, with particular attention placed on polyols.
Manon Beaufils-Marquet, Pierre Blanchet, Loïse Cao, Jérémy Winninger, Simon Pépin, Véronic Landry   +5 more
doaj   +2 more sources

Application of Thin Polyurethane Plastering Thermal Insulation System in Building Energy Conservation

Chemical Engineering Transactions, 2018
In this paper, through the study of the principle and method of the preparation of rigid foam polyurethane foam, the foaming process was optimized and the best formula was obtained. The effect of thin plastering on the thermal stability of the composites
Jianren Zhi
doaj   +1 more source

Three dimensional modeling method of MIMICS adjacent mask spherical open cell aluminum foam-polyurethane composites based on DICOM data

China Foundry, 2020
The complexity and irregularity of the internal structure of aluminum foam and the particularity of the fabricating method make it difficult to establish a three-dimensional model that can accurately reflect the internal structure of aluminum foam ...
Ming-si Qi, Wei Zhang, Guang-ming Ren
doaj   +1 more source

Polyurethane foam for skin graft fixation in clinical-relevant ovine burn wound model for wound repair and regeneration research

Regenerative Therapy, 2020
The availability of clinical-relevant large animal models for research in wound healing study is limited. Although a few reports described the wound dressing fixation method using polyurethane foam in patients, no animal studies were conducted to ...
Yosuke Niimi, Satoshi Fukuda, Suzan Alharbi, Donald S. Prough, Perenlei Enkhbaatar   +4 more
doaj   +1 more source

Effect of reaction parameters on Arsenic removal capacity from aqueous solutions using modified magnetic PU foam nanocomposite

Results in Materials, 2023
A novel Fe3O4 -polyurethane (PU) foam nanocomposite was fabricated and utilized to study the removal of heavy metal ions from water. Magnetite (Fe3O4) nanoparticles with (3-Aminopropyl) triethoxysilane (APTES) was synthesized and incorporated into ...
Sahebeh Tamaddoni Moghaddam, Homa Ghasemi, Faten B. Hussein, Nidal Abu-Zahra   +3 more
doaj   +1 more source

Synthesis of Chitosan Modified Polyurethane Foam for Adsorption of Mercury (II) Ions

Jurnal Bahan Alam Terbarukan, 2018
Mercury from the traditional gold mining activities in Aceh Jaya Regency causes water source and thus residents are exposed to mercury metals. In organic and inorganic conditions, mercury is toxic to the human body, causes damage to the nerve system ...
Darmadi Darmadi, Irfan M, Iqhramullah M, Marlina Marlina, Mirna Rahmah Lubis   +4 more
doaj   +1 more source