Pluronic

Description

[BASF] A registered trademark for a series (F, P and L) of nonionic detergents called poloxamers. Pluronic® detergents are block copolymers made from poly(oxypropylene) glycol, ethylene oxide and ethylene glycol. They are available as liquids, pastes or solids and range in molecular weight from 1000 to greater than 15,000. Mixtures with an ethylene glycol concentration greater than 70% are solids. Pluronics® are used as food additives, defoamer, antistatic agents, detergents, emulsifiers, wetting agents, foam controllers, and dispersants.

Some types are:

• Pluronic® L62LF - low foaming liquid
• Pluronic® F68 - flaky solid with mp= 50C
• Pluronic® L101 - viscous liquid.

Synonyms and Related Terms

poloxamer

Physical and Chemical Properties

• Varies from water insoluble to water soluble.
• Soluble in benzene, toluene, chlorinated hydrocarbons, acetone, butyl Cellosolve®, methyl ethyl ketone.
• Insoluble in kerosene, mineral oil.

Resources and Citations

• BASF: Pluronic

• G.S.Brady, Materials Handbook, McGraw-Hill Book Co., New York, 1971 Comment: p. 263

• Richard S. Lewis, Hawley's Condensed Chemical Dictionary, Van Nostrand Reinhold, New York, 10th ed., 1993

• Marie Svoboda, Conservation Survey Index, unpublished, 1997

• The Merck Index, Martha Windholz (ed.), Merck Research Labs, Rahway NJ, 10th edition, 1983 Comment: entry 7722

• Gordon Hanlon, contributed information, 1998