This work aims to study the adhesion properties between steel plate/asphalt and PMA at multi-scale and provide guidance and reference for researchers to design and develop a new waterproof layer. Select methylmethacrylate from the Repeat unit dropdown list. The pull-off and direct shear test evidenced that the PMA rather than MMA has better compatibility with epoxy asphalt concrete (EA) in both room or high-temperature zones. Differential scanning calorimetry (DSC) test results confirmed the toughness effect of nBA that increases the slippage of PMMA chains past each other and resulted in a decrease of T g. The bonding between the steel plate and the PMA copolymer layer within the three-layer structure is comparatively more stable than that of the interface between the PMA layer and the asphalt layer. The van der Waals (vdW) force played an essential role in interfacial adhesive properties. The simulated results show that 50/50 PMA has good adhesion bonding between copolymer to steel plate/ asphalt surface. The adjacent interface adhesion properties of “Asphalt- PMA-Steel plate” connection has been investigated by calculating the interaction energy. Besides, molecular dynamics (MD) simulation has been used for the construction of atomistic models of PMA with different molar ratios.
#BUILDING RANDOM COPOLYMER IN MATERIALS STUDIO ISO#
The Repsol Healthcare range complies with ISO 10993-4, -5, -6, -10, -11, USP 88 Class VI as well as USP 87 USP Cytotoxicity (Elution Test). The MMA and asphalt mortar play the main role at the WAL-asphalt mixture bonding interface was proved by microscopic characteristic analyses. This was implemented in DMol 3 module of the Materials Studio. Their product range includes: Polypropylene Homopolymer HPP, Polypropylene Random Copolymer HPR, High Density Polyethylene HHD, Low Density Polyethylene HLD, as well as EVA Copolymer HVA. The “Asphalt mixture-MMA-Steel plate” interfacial morphology was analyzed by SEM. Non-crystalline Materials (PDF - 2.3 MB) (PDF - 1.9 MB) Connecting Events at the Atomic/Molecular Level to Macroscopic Thermodynamic Behavior: Two Postulates of Statistical Mechanics Microscopic Definition of Entropy (PDF - 1. Toughness modification of methacrylate-based adhesive (MMA) was carried out by adding n-butyl acrylate (nBA) using the emulsion polymerization method to overcome its brittleness. In this article, poly(methyl methacrylate/n-butyl acrylate) copolymer (PMA) is being considered for utilizing as a waterproof adhesive layer (WAL) on the steel bridge deck. About Press Copyright Contact us Creators Advertise Developers Terms Privacy Policy & Safety How YouTube works Test new features Press Copyright Contact us Creators.