Materials
Materials
Impact of Sterilization on the Adhesion Properties of a Polyamide 11 Coating on Textured Metal Substrates
31/03/2024 -
Polyamide materials are widely used for medical device coating. However, despite the fragile area at the interface, these devices must conserve their physical and mechanical performance after the...
Playing with Low Amounts of Expanded Graphite for Melt-Processed Polyamide and Copolyester Nanocomposites to Achieve Control of Mechanical, Tribological, Thermal and Dielectric Properties
29/03/2024 -
Polyamide 11 (PA11) and copolyester (TPC-E) were compounded through melt extrusion with low levels (below 10%) of expanded graphite (EG), aiming at the manufacturing of a thermally and electrically...
Understanding the Effects of Adding Metal Oxides to Polylactic Acid and Polylactic Acid Blends on Mechanical and Rheological Behaviour, Wettability, and Photo-Oxidation Resistance
27/03/2024 -
Biopolymers are of growing interest, but to improve some of their poor properties and performance, the formulation of bio-based blends and/or adding of nanoparticles is required. For this purpose, in...
The Effect of Polyamide 11 on the Thermal Stability and Light Transmittance of Silicone-Based Thermoplastic Vulcanizates
24/01/2024 -
The effect of polyamide 11 (PA11) on the thermal stability and light transmittance properties of silicone-based thermoplastic vulcanizates (TPVs) has been investigated. The blends were prepared...
Grafting modification bamboo kraft lignin and its performance in rigid polyurethane foams
18/01/2024 -
Two samples of PA11 that came from two different decommissioned flexible lines are tested and recycled with pure PA11 to see if they could still be used in technological applications. This analysis...
Tensile, impact, and the damping performance of woven flax?carbon hybrid polyamide biocomposites
15/12/2023 -
Study the hybridization of carbon fiber?reinforced thermoplastic bio?polymer with natural flax fibers to enhance tensile, impact, and damping performance, and compare the results with nonhybrid...
Influence of char?forming lignin in combination with aluminium phosphinate on thermal stability and combustion properties of polyamide 11 blends
12/12/2023 -
Polyamide 11 (PA) blends based on char?forming industrial lignin and aluminum phosphinate (AlP) were prepared to improve flame retardant (FR) properties using a green and eco?friendly approach. This...
Hybridization Effect on Interlaminar Bond Strength, Flexural Properties, and Hardness of Carbon–Flax Fiber Thermoplastic Bio-Composites
05/12/2023 -
Hybridizing carbon-fiber-reinforced polymers with natural fibers could be a solution to prevent delamination and improve the out-of-plane properties of laminated composites. Delamination is one of...
Effect of Powder Bed Fusion Laser Sintering on Dimensional Accuracy and Tensile Properties of Reused Polyamide 11
02/12/2023 -
Polyamide 11 (PA11) is a plant-based nylon made from castor beans. Powder bed fusion laser sintering (PBF-LS) is an additive manufacturing process used for PA11 which allows for the reuse of the...
High?efficiency self?repairing polyurethane based on synergy of disulfide bonds and graded hydrogen bonds
10/11/2023 -
The flame retardant mechanism of PLA/PA11 composites with OP1230 and EA?MEL.AbstractA tetrakis (melamine)?1?hydroxyethylidene?1,1?diphosphonic acid salt (EA?MEL) was synthesized by a straightforward...
Hydrogen Permeability of Polyamide 6 Used as Liner Material for Type IV On-Board Hydrogen Storage Cylinders
10/09/2023 -
As a commonly used liner material for fully reinforced, carbon-fiber-composite hydrogen storage cylinders, polyamide 6 (PA6) needs to meet the required hydrogen permeation index during use;...
Novel Sustainable Composites Incorporating a Biobased Thermoplastic Matrix and Recycled Aerospace Prepreg Waste: Development and Characterization
18/08/2023 -
Carbon fiber-reinforced polymer (CFRP) composite materials are widely used in engineering applications, but their production generates a significant amount of waste. This paper aims to explore the...
Surface Roughness and Grain Size Variation When 3D Printing Polyamide 11 Parts Using Selective Laser Sintering
06/07/2023 -
Selective laser sintering (SLS) is a well-established technology that is used for additive manufacturing. Significant efforts have been made to improve SLS by optimizing the powder deposition, laser...
Effects of ionic group type, glass transition temperature and polarity of ionomers on tensile properties of PA11/ionomer blends
22/05/2023 -
Abstract In this study, after blending with ionomer to expand the use of PA11, the stress-stain properties of these blends were investigated. In particular, the ionomers blended...
Polyamide 11 Composites Reinforced with Diatomite Biofiller—Mechanical, Rheological and Crystallization Properties
21/03/2023 -
Amorphic diatomaceous earth is derived from natural sources, and polyamide 11 (PA11) is produced from materials of natural origin. Both of these materials show a low harmfulness to the environment...
Shear amplification of orientation in Nylon 11/clay nanocomposites during melt casting and resulting electrical properties
05/01/2023 -
Shear Amplification effect.In this study, the effect of organically modified clay on the orientation enhancement in Nylon 11 in melt casting was investigated. Nylon 11 was mixed with 1 and 3 wt%...
Effect of uniaxial stretching on the structural and dielectric properties of melt cast Nylon 11 films
10/12/2022 -
Uniaxial stretching experiments of melt cast Nylon 11 films was performed and real?time mechano?optical data was acquired. It was found the uniaxial stretching effects dielectric properties, with...
Understanding the influence of melt dripping on UL94 test response in a PA11 system
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A commonly used approach in polyamide systems to achieve a V0 rating in Underwriter Laboratories (UL)-94 test involves the exploitation of melt dripping behavior. That is, not allowing the polymer...
Deposition and Characterization of Heterostructures Based on Doped Ferrocene for Film-Device Applications
30/11/2022 -
Novel heterostructures based on ferrocenium hexafluorophosphate (FcPF6), 2,6-dihydroxyanthraquinone (DHAQ) or 2,6-diaminoanthraquinone (DAAQ), zinc phthalocyanine (ZnPc) and nylon 11 were deposited...
Low Molecular Weight Bio-Polyamide 11 Composites Reinforced with Flax and Intraply Flax/Basalt Hybrid Fabrics for Eco-Friendlier Transportation Components
21/11/2022 -
The transportation sector is striving to meet the more severe European legislation which encourages all industrial fields to embrace more eco-friendly policies by exploiting constituents from...
Enhanced mechanical and thermal properties of graphene nanoplatelets?reinforced polyamide11/poly(lactic acid) nanocomposites
03/11/2022 -
The present paper aims to obtain a sustainable nanocomposite by using bio?based polyamide 11 and biodegradable poly (lactic acid) blend as matrix and graphene nanoplatelets (GNP) as nanofiller. GNP...
