Machine for solid phase polymerization

Details Machine for solid phase polymerization Machine for solid phase polymerization

1980-12-30

1983-01-25

Marcus, Michael S.

Chemical apparatus and process disinfecting, deodorizing, preser

Chemical reactor

Organic polymerization

366139, 366310, 422131, 422233, 422135, 422225, 528484, B01J 400, B01J 1920, C08G 6302

Patent

active

043703020

ABSTRACT:
A machine for solid phase polymerization comprises: a system for supplying particles of a synthetic polymer; a reaction system for effecting solid phase polymerization of the particles, fed from the supplying system, under a vacuum and heated condition; and a system for discharging the solid phase polymerized particles. The supplying system includes a pre-treatment apparatus comprising: a pre-crystallizer of a vertical agitator type; and a beater of a horizontal type. The reaction system includes a horizontal reaction vessel having a horizontal rotary shaft with a helically formed screw vane. The screw vane has a multiplicity of small through-apertures, and scrapers extend axially extending between adjacent screw vane portions. Intermediate pots having specially designed vacuum breakers are disposed at locations between the reaction system and the supplying system and between the reaction system and the discharging system.

REFERENCES:
patent: 2080542 (1937-05-01), Kuss et al.
patent: 2885246 (1959-05-01), De Haven
patent: 3238122 (1966-03-01), Hagerbaumer
patent: 3248180 (1966-04-01), Kilpatrick
patent: 3253892 (1966-05-01), Brignac et al.
patent: 3779712 (1973-12-01), Calvert et al.

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