Cellulose ester resin composition
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United States of America Patent
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Jun 24, 1980
Grant Date -
N/A
app pub date -
Feb 27, 1978
filing date -
Mar 14, 1977
priority date (Note) -
Expired
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Abstract
A resin composition comprising an organic acid ester of cellulose, as a resin component, and at least one member selected from organic phosphite compounds having the formulae (i) and (ii): ##STR1## wherein R.sub.1, R.sub.2, R.sub.3, R.sub.4, R.sub.5 and R.sub.6, which can be the same or different, each is hydrogen, alkyl, aryl, alkylaryl, arylalkyl, alkoxyaryl, alkoxyalkyl, polyalkoxyalkyl, polyalkoxyaryl or polyaryloxyalkyl groups, with the proviso that one of R.sub.1 and R.sub.2 and one or two of R.sub.3, R.sub.4, R.sub.5 and R.sub.6 can be hydrogen, and R.sub.1 ' and R.sub.2 ', which can be the same or different, each is hydrogen or alkyl, aryl, alkoxyalkyl, aryloxyalkyl, alkoxyaryl, arylalkyl, alkylaryl, polyaryloxyalkyl, polyalkoxyalkyl and polyalkoxyaryl groups, and n is a number of at least 1, preferably 1 to 5.
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