Process for preparing spherical and porous vinyl resin particles

Details Process for preparing spherical and porous vinyl resin particles Process for preparing spherical and porous vinyl resin particles

1982-11-18

1984-03-06

Foelak, Morton

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

Synthetic resins

Cellular products or processes of preparing a cellular...

428402, 521 56, 526 88, 526209, 5263442, 5263443, C08V 928

Patent

active

044355246

ABSTRACT:
Process for making porous, substantially spherical particles having high bulk density of vinyl polymers or resins by the use of the suspension polymerization technique. In the polymerization there is employed a water-insoluble dispersant comprised of a substantially unneutralized crosslinked interpolymer of one or more carboxylic acid monomers with a polyunsaturated compound having a plurality of terminally unsaturated polymerizable groups and a surfactant system comprising at least one surfactant selected from the group consisting of a polyethylene oxide containing surfactant and a non-polyethylene oxide containing surfactant. Excellent results are obtained when both a polyethylene oxide and a non-polyethylene oxide containing surfactant are used in the process of the invention. Rapid stirring or high agitation is used while employing a monomer-soluble free radical yielding polymerization catalyst.

REFERENCES:
patent: 4360651 (1982-11-01), Dinbergs

Affiliated with

Also associated with

Rating

Process for preparing spherical and porous vinyl resin particles 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 preparing spherical and porous vinyl resin particles, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Process for preparing spherical and porous vinyl resin particles will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-742312