Method for producing small, spherical polymer particles

Details Method for producing small, spherical polymer particles Method for producing small, spherical polymer particles

1986-06-26

1989-04-18

Silbaugh, Jan H.

Plastic and nonmetallic article shaping or treating: processes

Encapsulating normally liquid material

Liquid encapsulation utilizing an emulsion or dispersion to...

264 4, 264 41, 264 46, 264 47, 252304, 252310, 252314, 4272133, 42721332, 42721333, B01J 1906

Patent

active

048225355

ABSTRACT:
A method of producing small spherical polymer particles from systems containing two liquid phases, the one phase of which contains one or more dissolved substances and is dispersed in the form of small droplets in the other phase to form an emulsion, whereafter the droplets are converted to a solid form. The liquid phases used are two mutually immiscible aqueous phases.

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patent: 3897414 (1975-07-01), Albertson
patent: 4061466 (1977-12-01), Ejoholn et al.
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patent: 4486471 (1984-12-01), Somejima et al.
patent: 4540602 (1985-09-01), Motoyama et al.
patent: 4606940 (1986-08-01), Frank et al.

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