Compositions: coating or plastic – Coating or plastic compositions – Fat – fatty oil – fatty oil acid or salt thereof containing
Patent
1996-05-10
1998-04-28
Brunsman, David
Compositions: coating or plastic
Coating or plastic compositions
Fat, fatty oil, fatty oil acid or salt thereof containing
C09D19100
Patent
active
057439486
ABSTRACT:
A method for the production of varnish, the method including the steps of: (a) continuously introducing resin, oil and a gelling agent into a mixing zone of an extruder; (b) heating the resin, oil, and gelling agent to a first elevated temperature in the mixing zone of the extruder; (c) mixing the resin, oil, and gelling agent in the mixing zone of the extruder for a first period sufficient to produce varnish; (d) continuously withdrawing the varnish from the mixing zone of the extruder; (e) continuously introducing the varnish into a holding zone; (f) maintaining the varnish at an elevated temperature in the holding zone for a second period, the second period being longer than the first period; and (g) continuously withdrawing the varnish from the holding zone.
REFERENCES:
patent: 4474473 (1984-10-01), Higuchi et al.
patent: 5151026 (1992-09-01), Anderson et al.
Aluminum Gellants for Printing Inks; Bulletin No. TDA-2; Chattem Chemicals no date avail.
Chemistry of Aluminum-Organics in the Preparation of Ink Vehicles and Gel Varnishes; Dr. John E. Vincent; American Ink Maker; Oct.,1984.
Plant Design and Economics for Chemical Engineers; Max Stone Peters et al.; at 33-34, McGraw-Hill, Inc., (1980) no month avail.
Laszewski Greg A.
Rao Sunil M.
Brunsman David
Chemical Research Technology
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