Injection

 

Injection

Improving microinjection processability of biodegradable elastomer poly(l?lactide?co???caprolactone) by blending with polycaprolactone and plasticizing with polyethylene glycol
07/06/2024 - To improve the flexibility, processability, and decomposability of isosorbide (ISB) based polycarbonate, ethoxylated isosorbide (EI5) was used as a comonomer in the synthesis process. Structures and...
Rapid Tooling for Microinjection Moulding of Proof-of-Concept Microfluidic Device: Resin Insert Capability and Preliminary Validation
09/04/2024 - Producing sustainable microfluidic devices on a large scale has become a trend in the biomedical field. However, the transition from laboratory prototyping to large-scale industrial production poses...
Surface Roughening of Irradiation-Activated Basalt Fiber through In Situ Growth of SiO2: Effects on Crystallization and Properties of PP Composites
17/08/2023 - Basalt fiber (BF) is deemed a new environmentally friendly and high-performance fiber material due to its high strength, electrical insulation, corrosion resistance and high temperature resistance....
Performance Enhancement of PLA-Based Blend Microneedle Arrays through Shish-Kebab Structuring Strategy in Microinjection Molding
09/05/2023 - Poly(lactic acid) (PLA) microneedles have been explored extensively, but the current regular fabrication strategy, such as thermoforming, is inefficient and poorly conformable. In addition, PLA needs...
Study on the Influence of Microinjection Molding Processing Parameters on Replication Quality of Polylactic Acid Microneedle Array Product
27/02/2023 - Biodegradable microneedles with a drug delivery channel have enormous potential for consumers, including use in chronic disease, vaccines, and beauty applications, due to being painless and scarless....
Plastic rod as a promising feed material for enhanced performance of ultrasonic plasticization microinjection molding: Plasticization rate, mechanical and thermal properties
- A polymer plasticization rate measurement method is proposed for ultrasonic plasticization microinjection molding. The effect of ultrasonic amplitude on the plasticization rate of polypropylene...
The Injection Molding of Biodegradable Polydioxanone—A Study of the Dependence of the Structural and Mechanical Properties on Thermal Processing Conditions
16/12/2022 - Recent years have observed a significant increase in the use of degradable materials in medicine due to their minimal impact on the patient and broad range of applicability. The biodegradable polymer...
RNA-Interference-Mediated Aphid Control in Crop Plants: A Review
09/12/2022 - Crop plants suffer severe yield losses due to the significant damages caused by aphids. RNA interference (RNAi) technology is a versatile and environmentally friendly method for pest management in...
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...