PIPETTE WITH IMPROVED READABILITY AND TOUGHNESS

A serological pipette has an elongated hollow tubular body having an optical transmission of 40 to 70% over a range of 390 to 700 nm. The pipette body is formed from a polymer composition that includes 5 to 30 wt. % poly(styrene-butadiene-styrene) and 70 to 95 wt. % polystyrene. The tubular body is...

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Bibliographische Detailangaben
Hauptverfasser:	CADOTTE, JOHN CLAUDE JR, KING, CRISTINA CARMELA EMPHASIS, SEYMOUR, JAMES MARK, PILLAI, VENU KRISHNA, WAYMAN, KIMBERLY SUE
Format:	Patent
Sprache:	eng ; pol
Schlagworte:	CHEMICAL OR PHYSICAL LABORATORY APPARATUS FOR GENERAL USE PERFORMING OPERATIONS PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL TRANSPORTING
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Beschreibung
Zusammenfassung:	A serological pipette has an elongated hollow tubular body having an optical transmission of 40 to 70% over a range of 390 to 700 nm. The pipette body is formed from a polymer composition that includes 5 to 30 wt. % poly(styrene-butadiene-styrene) and 70 to 95 wt. % polystyrene. The tubular body is formed by extrusion at a barrel temperature ranging from 400 to 500 F.