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A novel magnetorheological fluid, in which the surface of iron particles is coated with poly(butyl acrylate) by surface-initiated atom transfer radical polymerization (ATRP), is investigated. The polymer coating procedure includes two steps, which are immobilization of initiator: 2-(4-chlorosulfonylphenyl)-ethyltrichlorosilane (CTCS) on the iron particles' surface and graft polymerization of butyl...
A new electroluminescent fully conjugated, substituted PPV-related structure was synthesized. The ring-substituted units (2,5 hexadecyloxy and 2,5 cyano) were interspersed by one non-substituted PPV unit. The EL emission was centered at 612nm (orange). Double layer devices using PPV as a hole-transporting material showed 3000cd/m 2 at a 20V bias. In addition to the better transport characteristics...
Conjugated–non-conjugated alternating block copolymers containing cyano-modified distirylbenzene units as emitting chromophores were synthesized via Knoevenagel and Wittig reactions; the non-conjugated block was an alkylene spacer. The polymers were differentiated with respect to the location of the cyano groups in the chromophoric block (double bond or phenylene ring). When photoluminescence and...
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