Cross-linkable structurally colored polymers, their preparation and their use in compositions for coatings
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United States of America Patent
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Dec 16, 1980
Grant Date -
N/A
app pub date -
Jan 24, 1978
filing date -
Jan 28, 1977
priority date (Note) -
Expired
status (Latency Note)
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Abstract
Structurally colored polymers, formed by polymerizing monomers of the acrylic type, containing 0.5% to 20% by weight of dyestuff in copolymerized form or grafted form which have a number-average molecular weight between 1000 and 12,880 g. and contain m hydroxy functions and n groups of the formula: ##STR1## in which X.sub.1 is hydrogen, chlorine, bromine or methyl; and R.sub.1 and R.sub.2 are the same or different and represent hydrogen, chlorine, methyl, phenyl, substituted phenyl or carboxyl; m being a number from 0 to 49 and n being a number from 2 to 70 such that the sum m+n is from 7 to 70 and the ratio m/n is from 0 to 2.4. These polymers are used in particular for the formation of colored coating on various supports and surfaces.
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