C - Chemistry – Metallurgy – 08 – F
Patent
C - Chemistry, Metallurgy
08
F
400/5912
C08F 2/26 (2006.01) C08F 18/18 (2006.01) C08L 31/08 (2006.01) D21H 17/36 (2006.01)
Patent
CA 1047189
ABSTRACT OF THE DISCLOSURE A process for preparing a diallyl phthalate latex which comprises using in proportions of a total of 30 - 100 weight parts of monomer and a total of 0.3 - 10.0 weight parts of an ionic derived from a non-ionic ???? surfactant to a total of 100 weight parts of water, and (I) carrying out the emulsion polymerization of the following emulsion polymerization system, i.e., an emulsion polymerization system containing (a) water in an amount of 50 - 70 weight % of the total amount thereof, (b) monomer in an amount of 10 - 20 weight % of the total amount thereof, said monomer being selected from the group consisting of a diallyl phthalate monomer and a diallyl phthalate-containing monomeric mixture (c) said surfactant in an amount of 10 - 20 weight % of total amount thereof, and (d) a radical catalyst in toto; and (II) at a period after the rate of polymerizaton has reached 50 weight % and before completion of the polymerization, furthering the emulsion polymerization reaction while slowly adding an additional emulsion polymerization system containing the follow- ing components but not containing said radical catalyst: (a) water remaining of the total amount thereof (b) monomer remaining of the total amount thereof, and (c) said surfactant remaining of the total amount thereof. - 1-
232251
Kuri Takeshi
Suzui Akio
Yoshimoto Hiroshi
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