Physicochemical Properties of Poly(lactic acidco- glycolic acid) Film Modified via Blending with Poly(butyl acrylate co methyl methacrylate)
Zhu, Guoquan; Wang, Fagang; Gao, Qiaochun; Liu, Yuying
http://dx.doi.org/10.4322/polimeros.2013.097
Polímeros: Ciência e Tecnologia, vol.23, n5, p.619-623, 2013
Abstract
A series of poly(lactic acid-co-glycolic acid) (PLGA)/poly(butyl acrylate-co-methyl methacrylate) (P(BAco- MMA)) blend films with different P(BA-co-MMA) mole contents were prepared by casting the polymer blend solution in chloroform. Surface morphologies of the PLGA/P(BA-co-MMA) blend films were studied by scanning electron microscopy (SEM). Thermal, mechanical, and chemical properties of PLGA/P(BA-co-MMA) blend films were investigated by differential scanning calorimeter (DSC), thermogravimetric analysis (TGA), tensile tests, and surface contact angle tests. The introduction of P(BA-co-MMA) could modify the properties of PLGA films.
Keywords
Modification, PLGA/P(BA-co-MMA) blend, film
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