Coating processes – Interior of hollow article coating – Spraying
Patent
1990-08-09
1992-08-18
Bell, Janyce
Coating processes
Interior of hollow article coating
Spraying
427230, 427237, 427239, 427314, 427318, 427422, 526 62, B05D 722, C08F 200
Patent
active
051398230
ABSTRACT:
The present invention refers to a process for the preparation of a scale inhibiting solution that consists of: a) a low molecular weight compound belonging to the families of the polyhydroxybenzyls, polyhydroxyarylethers, its copolymers or blends b) an alkali and c) a strong electrolyte, which is used to coat the internal surfaces of polymerization reactors. This scale inhibiting solution reduces effectively the adherence of polymeric material to the inner parts of the reaction vessel when monomers such as vinylics, vinylidenes, acrylics, methacrylics, vinylaromatics, diolefins and their mixtures are polymerized via suspension, microsuspension, dispersion or emulsion.
REFERENCES:
patent: 4080173 (1978-03-01), Cohen
patent: 4200712 (1980-04-01), Cohen
patent: 4228130 (1980-10-01), Cohen
patent: 4256864 (1981-03-01), Cohen
patent: 4263421 (1981-04-01), Jones
patent: 4579758 (1986-04-01), Dorsch et al.
patent: 4622245 (1986-11-01), Shimizu et al.
Boscan-Romero Neida C.
Corcuera-Casas Jose L.
Gonzalez-Acevedo Edgar R.
Millan-Barrios Enrique J.
Qintero-Arcaya Rafael A.
Bell Janyce
Investigacion y Desarrollo C.A.
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