Quaternization of amines entrained in a microporous matrix

Details Quaternization of amines entrained in a microporous matrix Quaternization of amines entrained in a microporous matrix

1980-03-18

1981-12-15

Foelak, Morton

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

Synthetic resins

Cellular products or processes of preparing a cellular...

521 53, C08J 936

Patent

active

043060323

ABSTRACT:
An improved process for quaternizing a tertiary amine entrained in a microporous matrix is disclosed. The improvement comprises subjecting the microporous matrix to methyl chloride vapors for a length of time sufficient to distribute methyl chloride throughout the matrix at a temperature at which substantially no quaternization of the amine occurs. Subsequently, the matrix is heated to a temperature, and for a time sufficient to quaternize the amine.

REFERENCES:
patent: 3933697 (1976-01-01), Fuji et al.
patent: 4247498 (1981-01-01), Castro

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