Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Polymerizing in reactor of specified material – or in reactor...
Patent
1998-11-17
1999-12-14
Teskin, Fred
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Polymerizing in reactor of specified material, or in reactor...
526 74, 526344, C08F 200, C08F 1406
Patent
active
060019379
ABSTRACT:
Disclosed is a method of inhibiting the formation of scale on reactor surfaces in contact with a polymerizing vinyl monomer. The reactor surfaces are contacted with a composition that contains, as a scale reducing agent, an acidic hydrazone condensate or a salt thereof. The scale reducing agent can be added to the polymerizing monomer or it can be placed in a composition containing a surfactant and an inorganic binder and the composition can be applied to the reactor surfaces or added to the monomer.
REFERENCES:
patent: 4145496 (1979-03-01), Weimer et al.
patent: 4256854 (1981-03-01), Fischer et al.
patent: 5393857 (1995-02-01), Shimizu et al.
patent: 5403903 (1995-04-01), Shimizu et al.
Hichri Habib
Krishnamurti Ramesh
Nagy Sandor M.
Smolka Thomas F.
Brookes Anne E.
Fuerle Richard D.
Occidental Chemical Corporation
Teskin Fred
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