Method for manufacturing acrylic acid-based polymer and use for same
AssigneeToagosei Co., Ltd.
InventorMasahiro Fujiwara
Life of this patent
Estimating the term…
Abstract
The present invention relates to a production method for efficiently obtaining an acrylic acid-based polymer having a narrow molecular mass distribution and a low molecular mass, without using a large amount of chain transfer agent. A method for continuously producing an acrylic acid-based polymer obtained by continuously polymerizing a monomer having acrylic acid as an essential component, characterized in that a liquid feed pump applies a mechanical load of 0.5 to 2.5 kJ/L to the liquid discharged from the outlet of a reactor. An acrylic acid-based polymer having fewer high-molecular-mass components, excellent dispersion and other properties, and a low molecular mass is thereby obtained.
Claims12
A production method of an acrylic acid-based polymer, comprising subjecting a monomer comprising acrylic acid as an essential component to continuous polymerization, wherein a mechanical load of from 0.5 to 2.5 kJ/L is applied, via a liquid feed pump, to a reaction liquid discharged from an outlet of a reactor.
Dependencies are inferred from the claim text.