Aqueous dispersions of hydrophobic polymer particles using surfa

Details Aqueous dispersions of hydrophobic polymer particles using surfa Aqueous dispersions of hydrophobic polymer particles using surfa

1971-08-20

1977-05-10

Hayes, Lorenzo B.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

260 296F, 260 296RB, 260853, 260856, 260900, C08L 6120

Patent

active

040227375

ABSTRACT:
Finely divided particles of normally solid addition polymer, such as particles of polyvinylidene fluoride having a particle size of from about 0.1 to about 60 microns in average diameter, and which are not stably dispersible in water in the absence of extraneous surface active agent, are stably dispersed by means of a carboxy-functional copolymer containing at least 30% by weight of copolymerized monomer providing terminal hydrocarbon groups having at least 8 carbon atoms, the copolymer being dissolved in the aqueous medium by salt formation with a base.

REFERENCES:
patent: 3062764 (1962-11-01), Osdal
patent: 3169120 (1965-02-01), Capron et al.
patent: 3305505 (1967-02-01), Ropp
patent: 3435009 (1969-03-01), Sellet
patent: 3586654 (1971-06-01), Lerman et al.
patent: 3620988 (1971-11-01), Cohen
patent: 3679618 (1972-07-01), Lohr

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