Organic compounds -- part of the class 532-570 series – Organic compounds – Carboxylic acids and salts thereof
Patent
1989-10-27
1993-05-11
Schofer, Joseph L.
Organic compounds -- part of the class 532-570 series
Organic compounds
Carboxylic acids and salts thereof
526240, C07C 5704, C08F23004
Patent
active
052102980
ABSTRACT:
A method for the production of an acrylate by the neutralization reaction of acrylic acid and a basic substance, comprising sequentially (A) a step of supplying acrylic acid and said basic substance to water thereby subjecting them to a neutralization reaction while constantly retaining the neutralization ratio of acrylic acid within the neutralization reaction system in the range of 75 to 100 mol %, (B) a step of adjusting the neutralization ratio of acrylic acid within said neutralization reaction system in the range of 100.1 to 110 mol % by supplying said basic substance to said neutralization reaction system, (C) a step of retaining the neutralization ratio of acrylic acid within said neutralization reaction system in the range of 100.1 to 110 mol % for a period in the range of 1 to 120 minutes thereby allowing the neutralization reaction product to age, and (D) a step of adjusting the neutralization ratio of acrylic acid within said neutralization reaction system in the range of 20 to 100 mol % by supplying acrylic acid to said neutralization reaction system, and a method for the production of an acrylate-containing polymer using the acrylate.
REFERENCES:
patent: 2960486 (1960-11-01), Pye
patent: 4692544 (1987-09-01), Goerner et al.
Fujiwara Teruaki
Hatsuda Takumi
Irie Yoshio
Kajikawa Katsuhiro
Saga Jyunichi
Behr Omri M.
Cheng Wu C.
McDonald Matthew J.
Nippon Shokubai Kagaku Kogyo & Co., Ltd.
Schofer Joseph L.
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