One of the most important goals in the research concerning nanostructured polymers is the development of new materials with increased functional properties such as magnetic, electrical and optical, biocompatibility, thermal resistance, etc. The value of the polymer matrix can be improved with organic or inorganic additives, the development and tailoring of new nanostructured materials offering the possibility to increase their functional properties and to promote their use in automotive, aerospace, building, electrical, optoelectronic and biomedical applications. Poly(aspartic acid) based materials are attractive due to their biocompatibility and biodegradability. They have applications in medicines, cosmetics, and food. At the same time, no toxic or mutagenic effects have been reported for poly(aspartic acid). Poly(ethylene glycol) is a hydrophilic nonionic polymer used in many biochemical  and industrial applications (cosmetics, food, pharmaceutical products) due to its exceptional solubility in water and in many organic solvents, lack of toxicity and biocompatibility. In this paper, a new type of biocompatible block copolymer based on poly(ethylene glycol)(M_w - 4000)-b-poly(succinimide) was synthesised through a condensation process in DMF. Poly(succinimide) was prepared by thermal polycondensation of  D,L - aspartic acid. The synthesised block copolymer is a matrix able to encapsulate inorganic magnetic material or bioactive substances, with the aim of biomedical application. The properties of the prepared macromolecular compound including chemical composition, hydrodynamic diameter of the particles, zeta potential and the morphology are studied by FTIR spectroscopy, laser light scattering and SEM.

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1. Nanocomposites based on montmorillonite/acrylic copolymers for aqueous coating of soft surfaces