Process for the production of polybutene amines

Details Process for the production of polybutene amines Process for the production of polybutene amines

1995-06-01

1996-12-10

Lipman, Bernard

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

Synthetic resins

Mixing of two or more solid polymers; mixing of solid...

5253341, 525369, 525379, C08F 832

Patent

active

055831869

ABSTRACT:
The present invention provides a new and improved process for preparing a polybutene amine composition comprising the steps of reacting a chlorinated polybutene with an excess of at least one mole of at least one type of an amine compound per mole of the chlorinated polybutene at a reaction temperature of at least about 100.degree. C.; neutralizing the reaction mixture with calcium oxide; and recovering the polybutene amine composition, the recovery process including the steps of removing the formed water and the neutralized and excess of the amine compound and removing inorganic solids using a non-aqueous separation technique such as filtration. During the neutralization step, water formation is kept to a minimum and no water is intentionally added to the process thereby minimizing resultant waste streams and/or undesirable by-products.

REFERENCES:
patent: 3454555 (1969-07-01), van der Voort et al.
patent: 3671511 (1972-06-01), Honnen et al.
patent: 5346965 (1994-09-01), Dever et al.

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