Methods and compositions for inhibiting the polymerization of di

Details Methods and compositions for inhibiting the polymerization of di Methods and compositions for inhibiting the polymerization of di

1995-01-17

1996-07-23

Pal, Asok

Mineral oils: processes and products

Chemical conversion of hydrocarbons

With prevention or removal of deleterious carbon...

585 5, C07C 720

Patent

active

055386229

ABSTRACT:
Methods and compositions for inhibiting the polymerization of crude dichlorobutene during its processing are disclosed. The methods comprise adding an effective polymerization inhibiting amount of a composition of a hydroxylamine compound and a metal deactivator compound to the dichlorobutene. The preferred hydroxylamine compound is bis-(2-hydroxypropyl)hydroxylamine and the preferred metal deactivator compound is a Mannich reaction product.

REFERENCES:
patent: 3878181 (1975-04-01), Mayer-Mader et al.
patent: 4749468 (1988-06-01), Roling et al.
Chemical Abstracts 105(2)): 173217r.
Research Disclosure, 317, 722, Sep. 1990, No. 31734.

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