Alkoxylated resol-type phenol resin and method for producing same
AssigneeKolon Industries, Inc.
InventorsYu Sung Kim, Jeong Eun Yu, Sang Youb Seong, Jong Un Sung
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Abstract
The present invention is related to a method of preparing an alkoxylated resol-type phenol resin and an alkoxylated resol-type phenol resin. An alkoxylated resol-type phenol resin prepared using the method is capable of obtaining a coating film having excellent corrosion resistance, salt resistance, and color characteristics may be prepared, and a composition including the alkoxylated resol-type phenol resin as a curing agent may be suitably used as an vanish for coating the interior of beverage cans.
Claims6
An alkoxylated resol-type phenol resin comprising a repeating unit represented by Formula 1 and a repeating unit represented by Formula 2 and comprising at least one group represented by Formula 3, wherein the repeating unit represented by Formula 1 and the repeating unit represented by Formula 2 are comprised in the alkoxylated resol-type phenol resin at a ratio in range of about 1:1 to about 1:10:
- wherein, in Formula 1, n is an integer selected from 1 to 10,
- R1 is hydrogen or a group represented by Formula 3, and
- R2 is hydrogen or a C1 to C2 alkyl group,
- wherein, in Formula 3, R5a and R5b are each independently hydrogen or a C1 to C2 alkyl group, and
- R6 is hydrogen or a C1 to C20 alkyl group,
- wherein, in Formula 2, m is an integer selected from 1 to 10,
- R3 is a C1 to C8 alkyl group, and
- R4 is hydrogen or a C1 to C2 alkyl group.
Dependencies are inferred from the claim text.