Method for inhibiting polymerization of (meth) acrylic acid and esters thereof
AssigneeNippon Shokubai Co., Ltd.
InventorsKazuhiko Sakamoto, Takahiro Takeda, Masatoshi Ueoka, Yoji Akazawa, Masao Baba
Life of this patent
Estimating the term…
Abstract
Disclosed herein is a method for inhibiting polymerizable (meth)acrylic acid and esters thereof from polymerizing during their production and storage by using as the inhibitor N-oxyl compound, phenol compound, and phenothiazine compound in combination with one another. The combined use of the three inhibitors provides superior inhibiting effect to use alone alone or in pairs.
Claims7
A method for inhibiting the polymerization of (meth)acrylic acid and esters thereof, said method comprising using as the inhibitor N-oxyl compound, phenol compound, and phenothiazine compound in combination with one another.
Dependencies are inferred from the claim text.