Process for forming a barium sulfonate containing polymer

Details Process for forming a barium sulfonate containing polymer Process for forming a barium sulfonate containing polymer

1980-11-18

1982-01-12

Schofer, Joseph L.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

260 237B, 260 336R, 525366, C08L 9100

Patent

active

043104452

ABSTRACT:
This invention relates to a process for the formation of a neutralized sulfonated polymer having about 10 to about 60 meq. sulfonate groups, wherein the sulfonate groups are neutralized with a barium counterion. A cement of a polymer having olefinic functional groups and a non-reactive solvent is contacted with a sulfonating agent such as an acyl sulfate. After terminating the sulfonation reaction by quenching with methanol, the sulfonated polymer is then neutralized with a solution of barium hydroxide, barium acetate or barium carboxylate dissolved in a carboxylic acid having about 1 to about 4 carbon atoms or a combination solvent of methanol and a carboxylic acid. A carboxylic acid having at least about 10 carbon atoms can be then added to the cement of the neutralized sulfonated polymer thereby forming a barium salt of the carboxylic acid having at least about 10 carbon atoms in situ, wherein the barium salt of the carboxylic acid having at least about 10 carbon atoms is a preferential plasticizer for the zinc sulfonate groups. The Brookfield viscosity at 3.0 rpm at room temperature of the cement of the barium neutralized sulfonated polymer is less than about 50,000 cps.

REFERENCES:
patent: 4172820 (1979-10-01), Lundberg et al.

Affiliated with

Also associated with

Rating

Process for forming a barium sulfonate containing polymer does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Process for forming a barium sulfonate containing polymer, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Process for forming a barium sulfonate containing polymer will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-1540335