ANALYSIS OF A BIOPOLYMER FOR DEVELOPMENT OF A TOOTHBRUSH
CONSELHO NACIONAL DE DESENVOLVIMENTO CIENTÍFICO E TECNOLÓGICO === O uso indiscriminado de polímeros derivados do petróleo como matériaprima tem resultado no acúmulo de resíduos de lenta biodegradabilidade nos aterros sanitários, pois os plásticos convencionais levam cerca de meio século para serem d...
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