Publicação
Characterisation of the surface lewis acid/base properties of the components of pigmented, impact-modified, pc/pbt blends by inverse gas chromatography – phase separation and phase preferences
| Resumo: | Inverse gas chromatography was used to study the surface Lewis acid–base properties of the major components of pigmented, impact-modified, polycarbonate–poly(butylene terephthalate) blends. An investigation of the Lewis acid–base interactions in these polymeric systems has been carried out, based on the values determined for the surface Lewis acidity constant (K ), surface Lewis basicity constant (K ) and on the chemical and physical structure of the materials involved. This a b analysis provided the rationale for an interpretation of the phase separation and the phase preference that exist in these polymer blends, and of the consequences to their physical and mechanical properties. |
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| Autores principais: | Santos, José M.R.C.A. |
| Outros Autores: | Guthrie, James T.; Fagelman, K. |
| Assunto: | Inverse gas chromatography Acid–base interactions Bisphenol A polycarbonate Poly(butylene terephthalate) Polymer Pigments Cobalt aluminate |
| Ano: | 2002 |
| País: | Portugal |
| Tipo de documento: | artigo |
| Tipo de acesso: | acesso restrito |
| Instituição associada: | Instituto Politécnico de Bragança |
| Idioma: | inglês |
| Origem: | Biblioteca Digital do IPB |
| Resumo: | Inverse gas chromatography was used to study the surface Lewis acid–base properties of the major components of pigmented, impact-modified, polycarbonate–poly(butylene terephthalate) blends. An investigation of the Lewis acid–base interactions in these polymeric systems has been carried out, based on the values determined for the surface Lewis acidity constant (K ), surface Lewis basicity constant (K ) and on the chemical and physical structure of the materials involved. This a b analysis provided the rationale for an interpretation of the phase separation and the phase preference that exist in these polymer blends, and of the consequences to their physical and mechanical properties. |
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