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polar compound

1. n. [Drilling Fluids]

A compound whose electrons are not shared equally in chemical bonds. A polar compound is not necessarily ionized. Water is a polar compound. Polymers can have ionizing polar groups on their complex structures.

See: anionasphaltic mud additivecationclayclay extenderdeflocculantpolyelectrolytepolymersaltsulfonated polystyrene-maleic anhydride copolymer