Polymers containing aromatic aldehyde groups
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United States of America Patent
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Feb 9, 1982
Grant Date -
N/A
app pub date -
Nov 13, 1979
filing date -
Nov 11, 1978
priority date (Note) -
Expired
status (Latency Note)
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Abstract
Abstract of the disclosure: Novel polymers which have K values of from 20 to 140 and which contain structural units of the general formula --CH.sub.2 --C(R.sup.1 A)-- where R.sup.1 is H or CH.sub.3 and A is an aromatic radical which contains aldehyde groups and has the formula ##STR1## where R.sup.2 is H, OH, O-alkyl, alkoxyalkyl or O--Si(CH.sub.3).sub.3. The polymers are prepared by polymerizing the corresponding monomers CH.sub.2 .dbd.C(R.sup.1 A) in the presence of free-radical initiators.
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