FIELD: chemistry.
SUBSTANCE: disclosed is an additive for reducing viscosity of a polymer solution, which includes: A. carboxylic acid, B. an alcohol, C. a salt selected from a group consisting of an alkali metal salt, an alkali-earth metal salt, an ammonium salt and a mixture thereof, and E. optionally water. Also disclosed is a method of reducing viscosity of a polymer solution, which includes adding the additive and using the additive to reduce viscosity of the polymer solution.
EFFECT: disclosed additive considerably reduces viscosity of a polymer solution, can effectively terminate the ends of living polymer chains and destroy catalytic active centres.
17 cl, 11 ex
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