Production of vesiculated polymer beads

Details Production of vesiculated polymer beads Production of vesiculated polymer beads

1982-10-29

1984-07-24

Foelak, Morton

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Cellular products or processes of preparing a cellular...

521 63, 521138, 521 56, 523337, 523502, C08G 5308

Patent

active

044618484

ABSTRACT:
An improved process for the manufacture of vesiculated beads has been developed which can be used for the production of semi-gloss or satin finished paints. The process involves mixing an oil-phase containing a cross-linkable polyester resin in solution with a monomer co-polymerizable with the resin and an aqueous phase containing an emulsifying agent under conditions such that globules of the oil-phase are formed having a diameter of less than 1.5 microns. The emulsion containing the globules also contains a base and the amount of the emulsifying agent is from 3 to 16 grams per 100 ml of the oil-phase and the volume fraction has a value of 0.2 to 0.4 and X as defined is from 4 to 8. Preferably the beads are pigmented with titanium dioxide pigment.

REFERENCES:
patent: 3255127 (1966-06-01), Von Bonin et al.
patent: 3822224 (1974-07-01), Gillan et al.

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