Inyección

Inyección

Correlation between structural evolution and rheological properties for polycarbonate in the molten state
22/11/2022 - The morphology of PA6/CNT composites was different when they were processed using different methods, thereby resulting in a dfferent trend of electrical conductivity vs the filler...
A holistic evaluation of the influence of shear rates and matrix viscosity on the properties of polypropylene/multi?walled carbon nanotubes composites
29/09/2022 - In this work, a comparative study on the electrical, morphological, and thermal properties of polypropylene/multiwalled carbon nanotubes (PP/CNT) composites which were prepared by three different...
Anhydride chemistry based Hexanoylation of polyethylenimine increases transfection efficiency and expression of tagged DNA for therapeutic proteins in cultured cells.
27/07/2022 - ABSTRACTTransfection of nucleic acid molecules into mammalian cells can be facilitated using viral vectors, electroporation, or biocompatible cationic materials. However, safety issues and the...
Smart carboxymethyl cellulose/polythiophene hydrogel for electrically driven soft actuators: Physical and thermal properties and electroactive performances
26/07/2022 - AbstractThis paper addresses an experimental investigation of the microinjection molding process through three increasing sections of polyoxymethylene (POM) stepped parts. High and low levels of mold...
Microinjection molding of polyoxymethylene stepped?parts: Morphology, crystallinity, shrinkage, and thermal characterization
26/07/2022 - The improved interfacial interaction between graphene and natural rubber by gelatin modification could effectively enhance the thermal management capabilities of rubber composites.AbstractThe...
Experimental investigation and numerical simulation of the microinjection molding process through an expanding flow configuration
05/01/2021 - The dependence of the induced morphological layer variations on the processing conditions and parameters during injection molding of polymers is analyzed through a robust numerical framework of the...
Microstructure and orientation evolution of microinjection molded ??nucleated isotactic polypropylene/poly(ethylene terephthalate) blends
28/11/2020 - The influence of different shear stresses induced by changing injection molding speeds on molecular chain orientation and lamellar branching of ??nucleated iPP/poly(ethylene terephthalate) (PET)...
Molecular dynamics simulation on the adhesion mechanism at polymer?mold interface of microinjection molding
20/10/2020 - AbstractIn the demolding process of microinjection molding, the defects of microstructures are often caused by the strong adhesion between polymer and mold. In order to study the adhesion mechanism,...
Microinjection molding of polyoxymethylene/multiwalled carbon nanotubes composites with different matrix viscosities
27/08/2020 - AbstractThis study features the effect of matrix viscosity on the properties of carbon nanotubes reinforced polyoxymethylene (POM/CNT) microparts, which were obtained via melt blending and subsequent...
Subretinally injected semiconducting polymer nanoparticles rescue vision in a rat model of retinal dystrophy
29/06/2020 - Nature Nanotechnology, Published online: 29 June 2020; doi:10.1038/s41565-020-0696-3Semiconducting polymer...
Uniaxial tensile deformation of microinjection molded PCL/SWCNTs nanocomposites: Effect of interfacial “soft epitaxy” on the structural evolution as studied by synchrotron SAXS and WAXD techniques
03/06/2020 - In this study, the uniaxial tensile deformation of microinjection molded poly(?-caprolactone)/single walled carbon nanotubes (PCL/SWCNTs) nanocomposites was explored by in-situ...
Influence of scale effect and injection speed on morphology and structure of the microinjection molded isotactic polypropylene parts
12/03/2020 - The morphology and microstructure as well as their forming mechanism of the parts in microinjection molding process are critical. In this work, the coupling effect of scale factor and injection speed...
Crystallization and Microstructure Evolution of Microinjection Molded Isotactic Polypropylene with the Assistance of Poly(Ethylene Terephthalate)
16/01/2020 - In this work, a series of isotactic polypropylene/poly(ethylene terephthalate) (iPP/PET) samples were prepared by microinjection molding (μIM) and mini-injection molding (IM). The...
Simulation of crystallization evolution of polyoxymethylene during microinjection molding cycle
04/12/2019 - A mathematical model coupled with a numerical investigation of the evolving material properties due to thermal and flow effects and in particular the evolution of the crystallinity during the full...
Predicting the location of weld line in microinjection?molded polyethylene via molecular orientation distribution
15/11/2019 - The distributions of molecular orientation in the cross section of microinjection?molded linear low?density polyethylene samples are derived from microfocus wide?angle X?ray diffraction (WAXD) data....
Properties of microinjection?molded polypropylene/graphite composites
12/06/2019 - In this study, polypropylene (PP) composites filled with two different types of graphite particles, that is, flake?shaped synthetic graphite (SG) and low?temperature expandable graphite (LTEG), were...
Crystalline structure and remarkably enhanced tensile property of ?-isotactic polypropylene via overflow microinjection molding
08/04/2019 - In this work, the ?-nucleating agent (?-NA) filled isotactic polypropylene (iPP) parts were prepared via an overflow microinjection molding (OMM). All OMM parts show an obvious skin-core...
Remarkably Strengthened microinjection molded linear low-density polyethylene (LLDPE) via multi-walled carbon nanotubes derived nanohybrid shish-kebab structure
06/03/2019 - In this work, linear low-density polyethylene (LLDPE) nanocomposites with different loading levels of multi-walled carbon nanotube (MWCNTs) were prepared by microinjection molding. Interestingly,...
Multi-Objective Optimizations for Microinjection Molding Process Parameters of Biodegradable Polymer Stent
19/11/2018 - Microinjection molding technology for degradable polymer stents has good development potential. However, there is a very complicated relationship between molding quality and process parameters of...
Replication integrity of micro features using variotherm and vacuum assisted microinjection moulding
23/10/2018 - Micro features on surfaces are critical for the functionality of a product, such as micro channels for a microfluidic chip and micro lens arrays for an artificial compound eye lens. In the present...