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Keyword: Compressive Strength

Total Papers Found: 14
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Chemical modification of tannin/furanic rigid foams by isocyanates and polyurethanes

Author(s): , , , ,

Polymeric tannin/furanic foams fortified with polyurethane (PUR) and 4,4’ diphenylmethane diisocyanate (pMDI) were prepared. The thermo-physical and mechanical properties of the produced foams were investigated experimentally.  It was found that ...

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Thermal and electrical conductivity enhancement of graphite nanoplatelets on form-stable polyethylene glycol/polymethyl methacrylate composite phase change materials

Author(s): , , , ,

Graphite nano-platelets (GnPs) were dispersed in polyethylene glycol (PEG)/polymethyl methacrylate (PMMA) to form a PEG/PMMA/GnPs composite organic form-stable phase change material. The effects of the incorporation of ...

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Effect of a micro-copolymer addition on the thermal conductivity of fly ash mortars

Author(s): , , ,

A Portland cement-based composite was made using a copolymer as one of the ingredients, and the potential of the composite for the production of non-structural masonry systems was evaluated. It ...

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Incorporation of Phase Change Materials in Cementitious Systems via Fine Lightweight Aggregate

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The incorporation of phase change materials (PCMs) into concrete bridge decks shows promise as a method of decreasing freeze/thaw cycling in bridge decks. The authors have conducted a study ...

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Development of thermal insulating and sound absorbing agro-sourced materials from auto linked flax-tows

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A rigid, self-supporting material derived from flax tow was prepared and its mechanical, thermal, hydrous, and acoustic properties were investigated. The study was performed to determine if this material would ...

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Porous thermal insulation materials derived from fly ash using a foaming and slip casting method         

Author(s): , , , , ,

Coal fly ash was used as the base material for the formation of thermal insulation materials. The porosity of the produced materials ranged from 86.3-94.5 vol. %. The insulating materials were ...

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Thermal conductivity improvement of composite carbon foams based on tannin-based disordered carbon matrix and graphite fillers

Author(s): , , ,

Composite carbon foams were prepared by mixing tannin-based resin with various graphite powders in an effort to improve the thermal conductivity relative to pristine carbon foams in order to use ...

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Emulsion-templated porous carbon monoliths derived from tannins

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The authors have prepared highly porous, monolithic, carbon polymerised high internal phase emulsions (carboHIPEs) using tannins as the base material. This material was considered to be one of the most ...

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Core-shell structure design of pulverized expandable graphite particles and their application in flame-retardant rigid polyurethane foams

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The authors describe a synthesis method for a series of pulverized expandable graphite (pEG)/melamine-formaldehyde (MF) resin core-shell structure particles. The particles are also added into rigid polyurethane foams (RPUF) ...

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Modification of tannin based rigid foams using oligomers of a hyperbranched poly(amine-ester) 

Author(s): , , , , , , ,

This paper examined the synthesis of hyperbranched polymers (HBPs) and how their hydroxyl end groups help form networks in tannin-based foams. A Hot disk TPS 2500 measured the thermal conductivity of ...

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