Results 61 to 70 of about 13,959 (235)

Viscoelastic Behavior of Polyamide 6–COC Blends: Role of Crystallinity and Frequency‐Domain Modeling

open access: yesJournal of Applied Polymer Science, Volume 142, Issue 47, December 15, 2025.
Schematic overview of the study: Polyamide 6 (PA6) was blended with amorphous cycloolefin copolymer (COC) via melt blending to systematically tailor crystallinity. The resulting blends were characterized using SEM, DSC, and DMA, enabling construction of frequency‐temperature master curves.
Sameer Kulkarni   +6 more
wiley   +1 more source

Analyzing the Chemical Stability of Bio‐Based Polyamide Resins via Solubility Parameters, NMR Spectroscopy and Capillary Electrophoresis

open access: yesMacromolecular Chemistry and Physics, Volume 226, Issue 23, December 5, 2025.
The chemical resistance of hot‐melt adhesives is assessed in conditions mimicking mining sites. These polyamide resins are more stable in alkaline than acidic conditions and their mass loss in organic solvents can be predicted with Hansen parameters.
Kash A. Bhullar   +3 more
wiley   +1 more source

Flexible Removable Partial Denture Prosthesis: A Survey of Dentists’ Attitudes and Knowledge in Greece and Croatia

open access: yesActa Stomatologica Croatica, 2015
Purpose: The aim of this study was to investigate through a questionnaire the knowledge, attitudes and possible differences in the use of flexible RPDPs among dentists in Greece and Croatia.
Gregory Polyzois   +3 more
doaj   +1 more source

Warpage in Material Extrusion Additive Manufacturing of Amorphous and Semicrystalline Polymers

open access: yesMacromolecular Materials and Engineering, Volume 310, Issue 12, December 2025.
Material Extrusion Additive Manufacturing (MEAM) enables the fabrication of complex parts, but faces the challenge of warpage due to thermal stresses and phase transitions. This review examines the warpage mechanism, the role of processing conditions, material properties, and part geometry.
Ali Zerriouh   +7 more
wiley   +1 more source

The effect of cocoa (Theobroma cacao L) on the basic color stability of thermoplastic nylon resin dentures

open access: yesPadjadjaran Journal of Dentistry, 2011
Nylon thermoplastic resin is material of choice for the making of flexible. This denture do not use wire retention, but has the physical properties of water absorption.
Amiyatun Naini
doaj   +1 more source

Psikologi seni pengurusan - momentum dinamika organisasi [PDF]

open access: yes, 2021
egala pujian dan syukur ke hadrat Ilahi yang Maha Pengasih dan Maha Penyayang atas rahmatNya sehingga buku yang bertajuk PSIKOLOGI SENI PENGURUSAN: Momentum Dinamika Organisasi, akhirnya sampai ke tatapan para pembaca.
Isa, Khairunesa, Johar, Siti Sarawati
core  

The Nonlinear Optical Behavior of Linear Diamantane Polyamides

open access: yesEuropean Journal of Organic Chemistry, Volume 28, Issue 44, November 28, 2025.
Diamondoid‐based polyamides exhibit nonlinear optical properties, namely, they emit white light upon continuous‐wave irradiation with infrared lasers. The use of diamantane monomers significantly enhances the thermal stability of such novel polyamides, thereby opening new avenues for efficient and durable, organic lighting applications.
Saravanan Gowrisankar   +2 more
wiley   +1 more source

The Influence of Thermocycling on the Flexural Strength of a Polyamide Denture Base Material

open access: yesActa Stomatologica Croatica, 2017
Objective: The aim of the present study was to evaluate the influence of thermocycling on the flexural strength of a polyamide base denture material.
Nick Polychronakis   +3 more
doaj   +1 more source

Activation in Organic and Macromolecular Including Peptide Synthesis by Fluorinated Carboxylic Acids and Derivatives

open access: yesEuropean Journal of Organic Chemistry, Volume 28, Issue 44, November 28, 2025.
This concept paper highlights the importance and the historical developments of activated carboxylic acids in organic, macromolecular, bioorthogonal, and peptide synthesis. It dicusses the use of activated ester, including fluorinated activated ester and other activated carboxylic acid derivatives.
Virgil Percec   +2 more
wiley   +1 more source

Home - About - Disclaimer - Privacy