Please use this identifier to cite or link to this item: http://repositorio.unicamp.br/jspui/handle/REPOSIP/103395
Type: Artigo de periódico
Title: Compositional Characterization Of Aes - A Graft Copolymer Based On Poly(styrene-co-acrylonitrile) And Poly(etytilene-co-propylene-co-diene) [caraterização Composicional Do Aes - Um Copolímero De Enxertia De Poli(estireno-co-acrilonitrila) Em Poli(etileno-co-propileno-co- Dieno)]
Author: Turchet R.
Felisberti M.I.
Abstract: This work aims the characterization of AES, a graft copolymer based on poly(styrene-co-acrylonitrile), SAN, and poly(etyhlene-co-propylene-co-diene), EPDM. AES was submitted to selective extraction of its components: free SAN, EPDM chains and the graft copolymer EPDM-g-SAN. AES and its fractions were characterized by infrared spectroscopy, elemental analysis, differential scanning calorimetry, 13C and 1H nuclear magnetic resonance. The AES has 65 wt% of EPDM-g-SAN, 13 wt% of free EPDM and 22 wt% of free SAN. EPDM has 69.8 wt% of ethylene, 26.5 wt% of propylene and 4.6 wt% of diene, 2-ethylidene-5-norbonene ENB. SAN presents acrylonitrile/styrene mass ratio of 28/ 72 and a random distribution of aery lonitrile and styrene comonomers. These results are in agreement with the composition reported by the AES supplier, indicating that the proposed methodology is adequate.
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Rights: aberto
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Address: http://www.scopus.com/inward/record.url?eid=2-s2.0-33750374224&partnerID=40&md5=c5425ca0e5c5906dd55a65fff6523100
Date Issue: 2006
Appears in Collections:Unicamp - Artigos e Outros Documentos

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