Preparation process of acrylamide from purified acrylonitrile

Details Preparation process of acrylamide from purified acrylonitrile Preparation process of acrylamide from purified acrylonitrile

1994-07-13

1995-12-19

Bleutge, John C.

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Processes of preparing a desired or intentional composition...

558464, 564126, 564127, 564128, 564206, C08L 7700, C08L 2326, C07C23106

Patent

active

054768837

ABSTRACT:
This invention provides a process for the preparation of acrylamide. Acrylonitrile is treated through at least two purification steps in which acrylonitrile is brought into contact with a strongly-acidic cation exchange resin and then with a resin having primary and/or secondary amino groups or with activated carbon. The resulting acrylonitrile is subjected to hydration in the presence of a copper-base catalyst. The process of this invention can provide high-quality acrylamide even when acrylonitrile of ordinary quality is used, and permits preparation of a polyacrylamide suitable for use in the production of a coagulant having good water solubility or the like.

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Chemical Abstracts, vol. 96, No. 10, Mar. 8, 1982.

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