Densification of particulate materials

Details Densification of particulate materials Densification of particulate materials

1981-04-10

1983-03-01

Griffin, Ronald W.

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

Synthetic resins

Cellular products or processes of preparing a cellular...

106308Q, 106308F, 106308M, 252383, 252384, 521 59, 524109, 524294, 524399, 524400, 524425, 524427, 524563, 524582, 524583, 524584, 524585, 524586, 524592, C08J 320, C08J 916, C08K 504, C08L 2300

Patent

active

043755208

ABSTRACT:
A procedure is provided for the production of clean, dustless particulate granules from dusty, dirty particles by treatment with a composition comprising a liquid polymeric substance, illustratively, epoxidized soybean oil, and a solid, low molecular weight polymer having a melting point in the range of about 95.degree. to 105.degree. C., illustratively, a polyethylene vinyl acetate copolymer in the proportions of from 1 part of solid polymer to 1 part of liquid polymeric substance to 2 parts of solid polymer to 1 part of liquid polymeric substance. In one modification of the procedure, the ingredients were charged to a Papenmeir mixer and the mixer was run at 1500 RPM until a temperature of 95.degree. C. was reached. The resulting product comprised clean, dustless uniform beads.

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patent: 4230501 (1980-10-01), Howard et al.
patent: 4255375 (1981-03-01), MacPherson et al.
patent: 4285994 (1981-08-01), Pearce et al.

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