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Synthesis and Characterization of Butyl Acrylate-Co-Poly (Ethylene Glycol) Dimethacrylate Obtained by Microemulsion Polymerization

Synthesis and Characterization of Butyl Acrylate-Co-Poly (Ethylene Glycol) Dimethacrylate Obtained by Microemulsion Polymerization

Abraham G Alvarado, Martin Rabelero, Jacobo Aguilar, Jorge Flores Mejia, Francisco J Moscoso Sánchez

Des Monomers Polym. 2020 Mar 16;23(1):40-49.

PMID: 32284706

Abstract:

The synthesis and characterization of copolymers of n-Butyl Acrylate (BA) and Poly(ethylene glycol) dimethacrylate (PEGDMA) were realized by microemulsion. In this synthesis, the relation of PEGDMA 10, 20, 30, 40 and 50% wt with respect to BA was changed. The copolymers obtained were characterized by the determination of conversions (gravimetry), infrared spectroscopy: Fourier transform (FTIR), dynamic light scattering (DLS), thermogravimetry (TGA) and differential scanning calorimetry (DSC). The results confirmed the synthesis of BA-co - PEGDMA copolymers by the identification of characteristic FTIR bands and which determined the glass transition temperature of the copolymers. The conversions were found in the range of 85% to 90%. Within the stability of the produced latex, it was observed that at 10% and 30% wt. of PEGDMA the systems were stable, but when more PEGDMA was added up 40% to 50% wt., the system became unstable. The stability of produced latexes depends on the PEGDMA contents and this must be less than 30% wt.; meanwhile the PEGDMA content greater than 30% wt. leads to unstable latexes, forming clots. Copolymers showed single glass transition temperatures between -53.37°C and -16.58°C, depending on the composition of PEGDMA in the copolymers. Resulting in the different arrangements of units of PEGDMA along in the chain affected the thermal properties of the final copolymers.

Chemicals Related in the Paper:

Catalog Number	Product Name	Structure	CAS Number	Price
AP9010860	Poly(ethylene-co-ethyl acrylate)		9010-86-0	Price

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