Process for producing uniformly sized beads of a...

Details Process for producing uniformly sized beads of a... Process for producing uniformly sized beads of a...

C - Chemistry, Metallurgy

08

F

402/516, 403/80

C08F 212/08 (2006.01) C08F 220/06 (2006.01) C08F 291/02 (2006.01) C08J 9/18 (2006.01) C08J 9/22 (2006.01)

Patent

CA 2020778

ABSTRACT OF THE DISCLOSURE Uniformly sized beads of styrene/methacrylic acid copolymer are prepared by the process of this invention. A water-soluble inorganic salt such as sodium sulfate is used in combination with a water-soluble organic polymer such as polyvinyl alcohol in a suspension polymerization to control bead size distribution. The copolymer beads obtained are particularly useful in molded foam applications.

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