Polímeros, 2005 Os compósitos poliméricos podem ser produzidos via moldagem em autoclave, onde as condições de processamento podem ser otimizadas a partir do conhecimento físico-químico da matriz polimérica.
Michelle L. Costa +2 more
doaj +1 more source
Latent curing of epoxy-thiol thermosets [PDF]
, 2017 Epoxy-thiol curing is a click reaction which allows quantitative yield of the end products. The base-catalyzed reaction is rapid at low temperatures so it is most often desirable to harness reactivity by using latent catalysts.
Fernández Francos, Xavier +2 more
core +2 more sources
Achieving high thermal conductivity in epoxy composites: Effect of boron nitride particle size and matrix-filler interface [PDF]
, 2019 For the thermal management of high watt density circuit layers, it is common to use a filled epoxy system to provide an electrically insulating but thermally conducting bond to a metal substrate.
Calventus Solé, Yolanda +3 more
core +2 more sources
RTM production monitoring of the A380 hinge arm droop nose mechanism: a multi-sensor approach [PDF]
, 2016 his research presents a case study of production monitoring on an aerospace composite component: the hinge arm of the droop nose mechanism on the Airbus A380 wing leading edge.
Chiesura, Gabriele +7 more
core +2 more sources
Application of Particle Swarm Optimisation to Evaluation of Polymer Cure Kinetics Models
Journal of Algorithms & Computational Technology, 2010 A particle swarm optimisation approach is used to determine the accuracy and experimental relevance of six disparate cure kinetics models. The cure processes of two commercially available thermosetting polymer materials utilised in microelectronics ...
T. Tilford +7 more
doaj +1 more source
Coupled visco-mechanical and diffusion void growth modelling during composite curing [PDF]
, 2010 Most critical processing step during long fiber reinforced epoxy matrix composite laminate manufacturing is the polymerization stage. If not optimized, it gives birth to defects in the bulk material, such as voids.
Bernhart, Gérard +4 more
core +3 more sources
Modelling the curing kinetics of DGEBA-MTHPA with DMP-accelerator concentration dependence
Polymer TestingThe curing of epoxy anhydride systems is often modelled using various phenomenological models. These models give a relationship between the cure rate and the temperature and degree of cure of the resin.
H. Möllers, C. Schmidt, D. Meiners
doaj +1 more source
Poly(thioether) vitrimers via transalkylation of trialkylsulfonium salts [PDF]
, 2017 Vitrimers are permanently cross-linked organic polymers that can be reshaped, molded, and recycled without loss of network integrity. Herein, we report poly(thioether) networks, prepared through a straightforward thiol-ene photopolymerization, that can ...
Hendriks, Benjamin +3 more
core +1 more source
Real‐time assay of ribonucleotide reductase activity with a fluorescent RNA aptamer
FEBS Letters, EarlyView.Ribonucleotide reductases (RNR) synthesize DNA building blocks de novo, making them crucial in DNA replication and drug targeting. FLARE introduces the first single‐tube real‐time coupled RNR assay, which enables isothermal tracking of RNR activity at nanomolar enzyme levels and allows the reconstruction of allosteric regulatory patterns and rapid ...
Jacopo De Capitani +4 more
wiley +1 more source
Dynamic Cure Kinetics and Physical-Mechanical Properties of PEG/Nanosilica/Epoxy Composites
International Journal of Polymer Science, 2020 This study investigated the effect of polyethylene glycol (PEG) and nanosilica (NS) on the physical-mechanical properties and cure kinetics of diglycidyl ether of bisphenol-A-based epoxy (DGEBA-based EP) resin.
Haleh Nowruzi Varzeghani +2 more
doaj +1 more source