Process for purifying methacrylate

Details Process for purifying methacrylate Process for purifying methacrylate

1995-02-01

1996-12-24

Weber, Thomas R.

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

Synthetic resins

Treating polymer containing material or treating a solid...

528492, C08F 624

Patent

active

055874533

ABSTRACT:
A process for purifying a methacrylate which comprises contacting the methacrylate with an oximating agent, such as hydroxylamine hydrochloride or an aqueous alkali solution, such as an aqueous sodium hydroxide solution, or both, and then separating and collecting the resultant purified methacrylate. The process serves to remove compounds which discolor the methacrylate, to obtain a high-quality methacrylate.

REFERENCES:
patent: 5243063 (1993-09-01), Devicaris et al.

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