Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Processes of preparing a desired or intentional composition...
Patent
1998-01-21
2000-06-06
Dawson, Robert
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Processes of preparing a desired or intentional composition...
525488, 525507, C08K 501, C08L 6302
Patent
active
060719915
ABSTRACT:
Providing a modified epoxy resin which is suitable for utilized as a coating for repairing, a process for the preparation thereof, and a composition. It is a modified epoxy resin obtained by reacting at least one epoxy resin (a) having at least one or more epoxy groups in a molecule with at least one kind of aliphatic monocarboxylic acid (b) having carbon atoms of 10 to 30 in a molecule in proportion of 20 to 80% by equivalent with respect to the epoxy groups in said epoxy resin, a process for the preparation of said resin by the use of a phosphorus-based catalyst, and a composition comprising said resin and a solvent.
Kobayashi Yoshikazu
Yamamoto Yojiro
Aylward D.
Dawson Robert
Shell Oil Company
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