Results 1 to 10 of about 661,569 (335)

Latest Advancements in the Development of High-Performance Lignin- and Tannin-Based Non-Isocyanate Polyurethane Adhesive for Wood Composites. [PDF]

open access: yesPolymers (Basel), 2023
The depletion of natural resources and increasing environmental apprehension regarding the reduction of harmful isocyanates employed in manufacturing polyurethanes (PUs) have generated significant attention from both industrial and academic sectors. This
Iswanto AH   +10 more
europepmc   +2 more sources

Loading Rate and Temperature Interaction Effects on the Mode I Fracture Response of a Ductile Polyurethane Adhesive Used in the Automotive Industry. [PDF]

open access: yesMaterials (Basel), 2022
Due to their high elongation at failure and damping capacity, polyurethanes are one of the main types of adhesives used in automotive structures. However, despite the wide range of applications of adhesives, their fracture mechanics behavior is still ...
Perez M   +5 more
europepmc   +2 more sources

Theoretical and Experimental Studies of Hydrogen Bonded Dihydroxybenzene Isomers Polyurethane Adhesive Material. [PDF]

open access: yesPolymers (Basel), 2022
Hydrogen bonding in polyurethane (PU) is imposed by molecular parameters. In this study, the effect of structural isomerism of certain monomers on hydrogen bonding of waterborne polyurethane (WBPU) was studied theoretically and experimentally.
Saha JK   +4 more
europepmc   +2 more sources

Influence of Puspa Wood and Coconut Trunk Combination on the Characteristics of Cross-Laminated Timber Bonded with Polyurethane Adhesive

open access: yesJurnal Sylva Lestari, 2023
The purpose of this study was to evaluate the characteristic of cross-laminated timber (CLT) made from puspa (Schima wallichii) wood, coconut (Cocos nucifera) trunk, and their combination using a polyurethane (PU) adhesive.
Siti Aisyah   +5 more
doaj   +2 more sources

Mechanical Properties of Polyurethane Adhesive Bonds in a Mineral Wool-Based External Thermal Insulation Composite System for Timber Frame Buildings. [PDF]

open access: yesMaterials (Basel), 2021
This paper aims to provide a preliminary assessment of polyurethane adhesive applicability as an alternative to conventional cement-based adhesives used to fix thermal insulation materials to substrates concerning mineral wool-based external thermal ...
Sudoł E, Kozikowska E.
europepmc   +2 more sources

Cyclic fatigue testing: Assessment of polyurethane adhesive joints' durability for bus structures' aluminium assembly

open access: yesJournal of Advanced Joining Processes, 2021
Over the years, using adhesive joints in structural applications widespread all industrial domain, achieving an amazing current usage. This is due to the benefits that this technology is capable of providing to complex-shaped structures, both in ...
Yasmina Boutar   +5 more
doaj   +2 more sources

Hydrolysis-resistant and stress-buffering bifunctional polyurethane adhesive for durable dental composite restoration [PDF]

open access: yesRoyal Society Open Science, 2020
A new elastic polyurethane (PU) adhesive was reported in this study to improve the stability and durability of the dental adhesion interface. A polyurethane oligomer was synthesized by the solution polymerization method, and a diluent and solvent were ...
Jiahui Zhang   +7 more
doaj   +2 more sources

Comparison of Adhesive Properties of Polyurethane Adhesive System and Wood-plastic Composites with Different Polymers after Mechanical, Chemical and Physical Surface Treatment. [PDF]

open access: yesPolymers (Basel), 2019
The cost of most primary materials is increasing, therefore, finding innovative solutions for the re-use of residual waste has become a topic discussed more intensely in recent years. WPCs certainly meet some of these demands.
Nečasová B   +3 more
europepmc   +2 more sources

A biodegradable polyurethane adhesive augments tendon–bone interface healing in a rat Achilles repair model [PDF]

open access: yesBone & Joint Research
Aims: Surgical repair infrequently restores the native tendon–bone interface (TBI, also referred to as the enthesis), resulting in excessive scar formation, compromised biomechanics, and frequent re-tears.
Vasyl Pastukh   +8 more
doaj   +2 more sources

Cure and Performance of Castor Oil Polyurethane Adhesive

open access: yesInternational Journal of Adhesion and Adhesives, 2019
Aiming at the development of sustainable materials, in this study, a biobased wood polyurethane adhesive (PUA), derived from castor oil (CO), was synthetized and its properties were compared with a conventional wood adhesive. Different NCO/OH ratios have
Nuno V Gama   +2 more
exaly   +2 more sources

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