Submitted on: 19 September 2007.
Revised on: 03 October 2007.
Accepted on: 17 October 2007.
Polimeros-Ciencia e Tecnologia
http://reply.papertrans.cn/3/250/24967/24967-32.png
http://reply.papertrans.cn/3/250/24967/24967-33.png
Submitted on: 01 October 2000.
Revised on: 28 October 2000.
Accepted on: 15 November 2000.
Polimeros-Ciencia e Tecnologia
http://reply.papertrans.cn/3/250/24967/24967-35.png
Submitted on: 29 July 2001.
Revised on: 02 September 2001.
Accepted on: 24 September 2001.
Polimeros-Ciencia e Tecnologia