Process for the preparation of a fully hydrolyzed polyvinyl alcohol modified melamine-formaldehyde resin for application in decorative laminates
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United States of America Patent
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-
Jan 19, 1982
Issued Date -
N/A
app pub date -
Oct 30, 1980
filing date -
Jun 6, 1979
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A process for preparing a fully hydrolyzed polyvinyl alcohol modified melamine-formaldehyde resin useful in decorative laminates is disclosed. The process comprises reacting melamine, formaldehyde, and fully hydrolyzed polyvinyl alcohol at 80.degree.-90.degree. C. until the reaction product has a water tolerance of about 300% to 1000% in 5.degree. C. water. The mole ratio of melamine to formaldehyde is from about 1:1.5 to about 1:1.8, respectively.
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Cited Art Landscape
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