Results 61 to 70 of about 1,544 (217)
steel research international, Volume 96, Issue 5, May 2025.To improve the environmental sustainability of carbon‐bonded alumina filters, the replacement of coal tar pitch by an environment‐friendly binder system based on lactose and tannin is investigated. According to the results of the (thermo)mechanical filter properties, total carbon content, and microstructure, filter structures based on lactose/tannin ...
Benjamin Bock‐Seefeld +6 more
wiley +1 more source
, 2016 Nonbond interactions, such as hydrogen bonds and π–π/p-π interactions, have a decisive effect on the physical properties of phenolic-rich polymers, such as the novolac-type phenolic resins.
Cheng Bian (783588) +4 more
core +1 more source
Journal of Kufa-Physics, 2019 Resol novolac resin was prepared by condensation of novolac resin with formalin solution in the presence of sodium hydroxide as catalyst, then new copolymer were prepared by reaction of this resin with polyethylene glycol.
Maiada Abdulaa Adnan
doaj +1 more source
Advances in Membranes from Microporous Materials for Hydrogen Separation from Light Gases
ENERGY &ENVIRONMENTAL MATERIALS, Volume 8, Issue 2, March 2025.To accelerate the utilization of the hydrogen as one of the cleanest energy sectors, it is also essential to improve its separation process from light gases. This review comprehensively discusses the current trend on the use of microporous materials as the promising membrane materials to achieve this objective.
Nicholaus Prasetya +2 more
wiley +1 more source
Flame retardancy of phosphorus-containing novolac epoxy-silsesquioxanes
International audienceThe phosphorus-containing Novolac Epoxy modified with silsesquioxane (POSS) compounds to enhance flame retardancy and thermal behavior was investigated in this study.
Lopez-Cuesta, José-Marie +3 more
core +1 more source
Proceedings in Applied Mathematics and Mechanics, Volume 25, Issue 1, March 2025.ABSTRACT Refractories are polycrystalline, porous, heterogeneous, and nonmetallic materials utilized as protective liners in high‐temperature manufacturing processes. Microscopic and mechanical characterization studies of MgO–C refractories in the literature show a strong correlation between the underlying microstructure and the thermomechanical ...
Jishnu Vinayak Gopi +2 more
wiley +1 more source
Water absorption in novolac epoxy resins studied by positron annihilation
, 1993 Water absorption rates of four kinds of epoxy resins cured with phenol novolac (PH) were compared with the results of positron annihilation lifetime measurements (PAL). Three samples : cresol novolac (CR), tetra-methyl-biphenol (TMB) and bis-phenol A (BA)
Y. SHIOMI +6 more
core +1 more source
Investigation of residual stress in epoxy-based coatings using X-ray and FEM-ANN techniques
Vietnam Journal of Science, Technology and Engineering, 2023 Residual stresses play a significant role in the properties and performance of epoxy-based coatings, with their origins rooted in various factors encountered during production and application. This study focuses on quantifying residual stresses in three
Jasim Haider Hadi
doaj
ChemistrySelect, Volume 10, Issue 12, March 26, 2025.Metal oxide‐based polymer nanocomposites are key materials for gas sensing and nanoelectronics. This study explored hydrothermal synthesis of NiO nanoparticles for nanocomposite photoresists. Three synthesis methods were compared with microwave‐assisted synthesis proving most efficient.
Margarita Chatzichristidi +5 more
wiley +1 more source
دراسة تأثير الحجم الحبيبي للدقائق و درجة حرارة التشكيل على الخواص الميكانيكية للمواد المركبة ذات الأساس من البوليمر [PDF]
Engineering and Technology Journal, 2007 This research deals with the study of the effect of adding pure aluminum powder of different sizes (106μm, 250μm,1-2mm)to novolac materials. This has been achieved by hot pressing matrix and reinforcement materials, after preparing the matrix from ...
doaj +1 more source