Internally coated reaction vessel for use in olefinic polymeriza

Details Internally coated reaction vessel for use in olefinic polymeriza Internally coated reaction vessel for use in olefinic polymeriza

1985-11-08

1988-02-09

Smith, Edward J.

Chemical apparatus and process disinfecting, deodorizing, preser

Chemical reactor

Organic polymerization

526 62, 526 74, B01J 1900, B01J 303, C08F 200

Patent

active

047241268

ABSTRACT:
This invention relates to a polymerization reaction vessel having a coating on the inner surfaces thereof resulting from applying thereto an aqueous coating composition containing an unneutralized lightly crosslinked interpolymer of one or more carboxylic acid monomers with a polyunsaturated compound having a plurality of terminally unsaturated polymerizable groups whereby polymer buildup on said inner surfaces is substantially eliminated. Optionally, there is employed in the coating composition a water-soluble surfactant which contains polyether-type hydrophilic segments, such as, for example, polyoxyethylene (20) sorbitan monooleate. Multiple charges or batches of polymer can be made in said internally-coated reaction vessel without opening the same between charges, thus preventing the escape of unreacted monomer to the surrounding atmosphere.

REFERENCES:
patent: 3825434 (1974-07-01), Berens
patent: 3962202 (1976-06-01), Morningstar
patent: 4007320 (1977-02-01), Petersen
patent: 4175100 (1979-03-01), Schilla et al.
patent: 4223120 (1980-09-01), Kurowsky
patent: 4256864 (1981-03-01), Cohen
patent: 4613483 (1986-09-01), Cohen

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