Impactos Ambientais dos Componentes do Esmalte
Autor: Larissa Menezes | Publicado: 2011-10-27T11:50:00-07:00

&nbsp; &nbsp; &nbsp; Muitas pessoas, ao usar o esmalte e sair com suas unhas lindas e maravilhosas, nunca passou pela sua cabeça: do que o esmalte é feito ? Quais são as suas substancias ? Causa Impactos no meio ambiente ?
&nbsp;&nbsp;&nbsp;&nbsp; Os esmaltes (suas substancias) causam sim impactos no meio ambiente, como por exemplo:

O PMMA - polimetilacrilato só têm reciclagem possível por meios químicos a um custo altíssimo, ou seja não é economicamente viável. Portanto, ninguém recicla-o. Ele é jogado fora como um lixo comum, não se decompondo na natureza ou nos aterros.&nbsp;

O Esteralcônio de Hectorita (litío) ,como os outros metais alcalinos, puro é altamente inflamável e ligeiramente explosivo quando exposto ao ar e, especialmente, à água. Além disso é corrosivo, requerendo o emprego de meios adequados de manipulação para evitar o contato com a pele. Deve-se armazená-lo num líquido inflamável como, por exemplo, a gasolina. O lítio é considerado ligeiramente tóxico. Se esse metal for jogado diretamente na natureza ele pode afetar os lençois freáticos (fonte de água) e cotaminar a água ali existente.
A Nitrocelulose representa um risco de fogo bastante sério. A decomposição da nitrocelulose acontece em temperatura relativamente baixa, com evolução de grandes volumes de gases tóxicos e inflamáveis e rápida geração de calor. Gases provocados pela queima da NC, assim como a forte liberação de calor, com certeza trarão sérias conseqüências à<!--[if gte mso 9]>           <![endif]--><!--[if gte mso 9]>     Normal   0         21         false   false   false      PT-BR   X-NONE   X-NONE                                                                                                     <![endif]--><!--[if gte mso 9]>  <w:LatentStyles DefLockedState="false" DefUnhideWhenUsed="true"
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 <![endif]-->  vida animal e vegetal, onde ocorrer desastre.  
O Copolímero de etileno é obtido da cana-de-açúcar, ou seja da biomassa vegetal matéria-prima renovável. O Brasil é o primeiro país a desenvolver o produto, porém se formos pensar na produção deste há o desmatamento da cana de açúcar e logo depois de retirá-la é necessário queimar os "tocos" causando uma forte produção de CO2 (responsavél pelo esfeito estufa). Foi proibido no Brasil a queima da cana, porém muitas fazendas ainda continuam fazendo.


Postado Por: Larissa Menezes