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versão impressa ISSN 0104-1428versão On-line ISSN 1678-5169


GRASSI, Vinícius G.; FORTE, Maria Madalena C.  e  DAL PIZZOL, Marcus F.. Morphologic Aspects and Structure-Properties Relations of High Impact Polystyrene. Polímeros [online]. 2001, vol.11, n.3, pp.158-168. ISSN 1678-5169.

Toughening of glassy polystyrene (PS) matrix by polybutadiene rubber addition mainly increases its impact resistance. The rubber modified polymer, known as High Impact Polystyrene (HIPS), has unique features. During the in situ styrene polymerization in a rubber solution grafting of polystyrene chains occurs onto polybutadiene molecules and magnifies the interaction at the rubber-PS interface. The HIPS is a material that has a large application in the packaging industry and refrigerator cabinets. The aim of this paper is to point out and discuss some of the structural and morphological characteristics of HIPS and its correlation with general properties. The standard techniques applied in the characterization of the structure and morphology of HIPS were revised.

Palavras-chave : High impact polystyrene; HIPS; grafting; chemical resistance; gel phase.

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