Polymers, Free Full-Text

Mechanical and shape recovery characteristics of thermal-responsive shape-memory polyurethane (SMPU) reinforced with two types of reinforcements, multiwalled carbon nanotubes (MWCNTs) and halloysite nanotubes (HNTs), were studied in the present research work. Three weight percentages of reinforcement (0, 0.5 and 1%) in the SMPU matrix were considered, and the required composite specimens were obtained through injection moulding. Tensile, flexural, impact and shape recovery behaviours were studied experimentally. Further, flexural tests were performed for multiple cycles to understand the specimens’ flexural strength variation after shape recovery. The concentration of both reinforcements (MWCNTs and HNTs) considered in the present study significantly improved mechanical properties and shape recovery.

Synthetically tunable polymers, free volume element size distributions, and dielectric breakdown field strengths - ScienceDirect

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Polymers, Free Full-Text

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Polymers, Free Full-Text

Polymers

styrofoam board isolated on black background, non-toxic polystyrene material, thermoplastic and flexible resin, used in the transport, construction and food preservation industry Stock Photo, Styrofoam Board

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Polymers, Free Full-Text, passfeder 4mm

Polymers, Free Full-Text