Results 11 to 20 of about 20,841 (294)
Use of castor oil-based polyurethane adhesive in the production of glued laminated timber beams
Materials Research, 2006 Researchers from the Polymer Technology and Analytical Chemistry (LQATP) group at the São Carlos Institute of Chemistry, University of São Paulo, developed a polyurethane adhesive based on castor oil.
Maximiliano dos Anjos Azambuja +1 more
doaj +2 more sources
Alternative castor oil-based polyurethane adhesive used in the production of plywood
Materials Research, 2004 Plywood is normally produced with urea-formaldehyde and/or phenol-formaldehyde adhesives. However, the former is considerably toxic and environmentally damaging, while the latter is expensive, thus motivating the search for alternative raw materials in ...
Fabricio Moura Dias +1 more
doaj +2 more sources
Bio‐based polyurethane‐graphene composites for adhesive application
SPE Polymers, 2023 Natural oil‐based polyurethanes are prepared through solvent‐less and easily processable approach for adhesive applications. The polyurethane is optimized through varying the volume fractions of the precursors which was then confirmed through the ...
Shivam Tiwari +2 more
doaj +2 more sources
Mechanical Strength Indicators of Polyurethane Adhesive in Lightweight Floor Systems
Technical Transactions, 2020 The article describes the basic features of the lightweight floor system with heat-dissipating lamellas (LFS-L) that do not require screeds and are used in the design of radiant heating.
Karpiesiuk Jacek
doaj +2 more sources
A water-resistant high bonding strength non-isocyanate polyurethane-modified-starch wood adhesive
Industrial Crops and ProductsTo address the health and environmental hazards posed by toxic substances, such as isocyanates, in traditional polyurethane adhesive raw materials, this study synthesized a non-isocyanate polyurethane prepolymer (NIPU) by reacting diethylenetriamine ...
Wei Shen +7 more
doaj +2 more sources
Effectiveness of Bonding Steel Elements with Polyester-Coated Paint
Applied Sciences, 2023 The aim of the paper is to assess the impact of the effectiveness of bonding steel elements with paint coating. The adhesive joints were made using two types of the adhesives: two-component epoxy resin adhesive based on Bisphenol A and polyurethane ...
Anna Rudawska +4 more
doaj +1 more source
Characteristics of Polyurethane Cross-Laminated Timber Made from a Combination of Pine and Coconut
Jurnal Sylva Lestari, 2023 The objective of this study was to assess the properties of cross-laminated timber (CLT) fabricated from the combination of Sumatran pine (P) and coconut trunk (C) bonded with polyurethane adhesive.
Muhammad Iqbal Adi Baskara +6 more
doaj +1 more source
capsules with a bio‐based polyurethane adhesive
, 2022 The following research aims to evaluate the feasibility of manufacturing particleboards based in Pinus radiata D. DON (PC) and Eucalyptus globulus (EC) capsules bonded with a natural oil polyurethane adhesive (PU).
Mario Núñez‐Decap +3 more
core +1 more source
BioResources, 2017 Laminated composite wooden construction elements were produced with 7 layers of Scots pine (Pinus sylvestris L.). Fiberglass wire mesh and aluminum wire mesh, which were used as reinforcement materials, were pressed with polyvinyl acetate (PVAc) and ...
Abdullah Togay +5 more
doaj +1 more source
Effects of ultrasound on polymeric foam porosity [PDF]
, 2008 A variety of materials require functionally graded cellular microstructures whose porosity is engineered to meet specific applications (e.g. mimic bone structure for orthopaedic applications; fulfil mechanical, thermal or acoustic constraints in ...
Jonathan R. Corney (7204907) +4 more
core +1 more source