Process to prevent scale adhesion using condensation product of

Details Process to prevent scale adhesion using condensation product of Process to prevent scale adhesion using condensation product of

1993-12-27

1995-06-13

Schofer, Joseph L.

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

Synthetic resins

Polymerizing in reactor of specified material, or in reactor...

528243, 210698, C08F 200

Patent

active

054243777

ABSTRACT:
A process to prevent scale adhesion to reactor surfaces using an alkaline solution of the condensation product of an aromatic diamino compound and a quinone. The aromatic amino compound has the general formula (1): ##STR1## wherein R.sup.1 is at least one group selected from the group consisting of --OH, --COOH and --SO.sub.3 H, R.sup.2 is a hydrogen atom or a substituent group, X is a single bond or a divalent group of the formula --CH.dbd.CH--, and m and n are each an integer from 0 to 4, provided m and n are not simultaneously zero, when a plurality of R.sup.1 groups are present they may be identical or different, and when a plurality of R.sup.2 groups are present they may be identical or different, with (A-2) a quinone compound, and a process for producing a polymer using the agent are disclosed.

REFERENCES:
patent: 4831107 (1989-05-01), Erhan
patent: 5053466 (1991-10-01), Shimizu et al.

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