METHOD OF SYNTHESIS OF POLYMERIZED 2,2,4-TRIMETHYL-1,2-DIHYDROQUINOLINE Russian patent published in 1996 - IPC

Abstract RU 2065456 C1

FIELD: chemical technology. SUBSTANCE: method involves condensation of aniline with acetone followed by condensation product polymerization in the presence of catalyst - phosphoryl chloride taken at amount 0.04-0.06 mole per mole of total nitrogen. Polymerization is carried out without water preferably at 100-115 C. Method increases the end product yield by 27-28% (from reactor unit), decreases polymerization period up to 2-3 hr and increases dimer content in the end product to 60%. Synthesized product is used as rubber stabilizing agent. EFFECT: improved method, increased yield. 1 tbl

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RU 2 065 456 C1

Authors

Panfilov V.Ja.

Zharikov L.K.

Chikurov V.V.

Shkuro V.G.

Militsin I.A.

Dates

1996-08-20—Published

1992-05-26—Filed