Utilization of Trimethylolpropane Based Hyperbranched Poly(Amine-Ester) as New Polymeric Admixture

Amal Amin Ibrahim, Ahmed El-Sayed Abdel-Magied, Mohamed Sayed Selim, Magdy Mohamed Hussein Ayoub

Organic Chemistry Department, Menoufiya University, Shebin El-Kom, Egypt.
Polymers and Pigments Department, National Research Center, Dokki, Giza, Egypt.

DOI: 10.4236/ojopm.2012.22004                

Abstract

Hyperbranched poly(amine-ester) (HBPAE) was synthesized via pseudo-one-step process between trimethylolpropane as a core molecule and N, N-diethylol-3-amine methylpropionate as the AB2 branched monomer. The prepared polymer was analyzed by IR, GPC, 1H-NMR and thermal analysis (TGA and DSC). The performance of the polymer in cement was tested by measuring the effect of 1, 3 and 5 wt% of HBPAE solutions on the properties of Ordinary Portland Cement. Water of consistency, setting times, bulk density, apparent porosity, compressive strength and combined water content of the polymer/cement pastes were studied. The results showed that water of consistency and apparent porosity decreased while setting times, compressive strength, combined water and bulk density increased with the polymer addition.

Keywords

Hyperbranched Polymers; Poly(Amine-Ester); Ordinary Portland Cement; Compressive Strength

Conflicts of Interest

The authors declare no conflicts of interest.

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