Process for the production of expandable ethylenically...

Details Process for the production of expandable ethylenically... Process for the production of expandable ethylenically...

C - Chemistry, Metallurgy

08

J

403/60, 403/80

C08J 9/16 (2006.01) C08J 9/18 (2006.01)

Patent

CA 1040798

Abstract of the Disclosure Expandable ethylenically unsaturated polymer particles are produces by using in the process a suspension stabilizer comprising calcium carbonate particles having the surfaces thereof treated with resin acid. The method for the production of such expandable ethylenically unsaturated polymer particles from ethylenically unsaturated polymer particles includes sus- pending such particles in water and impregnating the particles with an organic expanding agent having a boiling point lower than the softening point of the polymer particles.

221620

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