Pluronicn.

Brit.

/plᵿˈrɒnɪk/, U.S.

/plʊˈrɑnɪk/

Forms: also with lower-case initial.

Origin: Of uncertain origin. Perhaps formed within English, by compounding. Etymons: poly- comb. form, uronic adj.

Etymology: Origin uncertain; perhaps < p and l (in poly- comb. form: compare the scientific name of the compound in quot. 1953) + uronic adj., after plural adj.

Chemistry.

A proprietary name for: any of a class of block-copolymers of ethylene oxide and propylene oxide, which are extensively used as surfactants, wetting agents, emulsifiers, etc. Frequently with following numeral or other identifier.

ΚΠ

1953 Jrnl. Agric. & Food Chem. 1 384 (table) Emulsifying agents... Type...(polyoxyethylene-polyoxypropylene-polyoxyethylene glycol)... Pluronic.

1974 Cryobiology 9 285/1 The pluronic polyols are condensation products of ethylene oxide-polypropylene glycol.

1996 Biomaterials 17 2273/2 Pluronics are A–B–A type copolyether diols composed of a central polypropylene oxide block (B) tipped with PEO [ = polypropylene oxide] (A). A large number of Pluronics with different PEO/PPO ratios are commercially available.

2004 Biotechnol. Progress 20 1183 Pluronic F-68 (PF-68) is routinely used as a shear-protection additive in mammalian cell cultures.

This is a new entry (OED Third Edition, September 2006; most recently modified version published online March 2022).

单词	pluronic
释义	Pluronicn. Brit. /plᵿˈrɒnɪk/, U.S. /plʊˈrɑnɪk/ Forms: also with lower-case initial. Origin: Of uncertain origin. Perhaps formed within English, by compounding. Etymons: poly- comb. form, uronic adj. Etymology: Origin uncertain; perhaps < p and l (in poly- comb. form: compare the scientific name of the compound in quot. 1953) + uronic adj., after plural adj. Chemistry. A proprietary name for: any of a class of block-copolymers of ethylene oxide and propylene oxide, which are extensively used as surfactants, wetting agents, emulsifiers, etc. Frequently with following numeral or other identifier. ΚΠ 1953 Jrnl. Agric. & Food Chem. 1 384 (table) Emulsifying agents... Type...(polyoxyethylene-polyoxypropylene-polyoxyethylene glycol)... Pluronic. 1974 Cryobiology 9 285/1 The pluronic polyols are condensation products of ethylene oxide-polypropylene glycol. 1996 Biomaterials 17 2273/2 Pluronics are A–B–A type copolyether diols composed of a central polypropylene oxide block (B) tipped with PEO [ = polypropylene oxide] (A). A large number of Pluronics with different PEO/PPO ratios are commercially available. 2004 Biotechnol. Progress 20 1183 Pluronic F-68 (PF-68) is routinely used as a shear-protection additive in mammalian cell cultures. This is a new entry (OED Third Edition, September 2006; most recently modified version published online March 2022). < n.1953
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