Electromagnetic Interference (EMI) Shielding Effectiveness of PP/PS Polymer Blends Containing High Structure Carbon Black | Zendy

AlSaleh Mohammed H. | Zendy; Sundararaj Uttandaraman | Zendy

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Electromagnetic Interference (EMI) Shielding Effectiveness of PP/PS Polymer Blends Containing High Structure Carbon Black

Author(s) -

AlSaleh Mohammed H.,

Sundararaj Uttandaraman

Publication year - 2008

Publication title -

macromolecular materials and engineering

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.913

H-Index - 96

eISSN - 1439-2054

pISSN - 1438-7492

DOI - 10.1002/mame.200800060

Subject(s) - materials science , carbon black , polystyrene , electromagnetic shielding , composite number , composite material , electromagnetic interference , polymer blend , emi , electrical resistivity and conductivity , polymer , phase (matter) , polymer chemistry , natural rubber , copolymer , organic chemistry , physics , telecommunications , chemistry , quantum mechanics , computer science

The morphological, electrical resistivity (ER), and electromagnetic interference (EMI) shielding effectiveness (SE) properties of poly(propylene) (PP), polystyrene (PS), PP/PS, and PP/PS/styrene–butadiene–styrene (SBS) blends filled with 10 vol.‐% high structure carbon black (CB) were studied. For the CB/PP/PS blends, TEM and SEM observations indicated that CB is preferentially localized in the PS phase. ER and EMI SE of the CB/PP/PS and CB/PP/PS/SBS blends were bounded between those of the PS composite (lower bound) and the PP composite (upper bound). In the PP/PS volume ratio ranging from (75/25) to (25/75), ER and EMI SE of the CB‐filled blends were independent of the PP/PS volume ratio. The EMI SE obtained by the 2 mm thick plates made of 10 vol.‐% CB‐filled (100/0)–(10/90) PP/PS blends are adequate for computers shielding applications.

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