Self-extinguishing polycarbonate composition
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United States of America Patent
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Dec 1, 1987
Grant Date -
N/A
app pub date -
Aug 19, 1983
filing date -
Aug 25, 1982
priority date (Note) -
Expired
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Abstract
Self-extinguishing polycarbonates are disclosed, which consist of mixtures of polycarbonates with at least one salt of metals of the I and/or the II A and B Groups of the Periodic Table, and/or ammonium salts of organic carboxylic compounds having the general formula (I) ##STR1## and, as an adjuvant, at least one compound which is a member selected from the group consisting of the following classes of compounds: (i) a halogenated phenyl ether; (ii) a phthalimide or naphthalimide; (iii) an organic sulphone or a derivative thereof; (iv) an inorganic compound selected from the group consisting of halides of alkali metals or of alkaline earth metals, oxides of metals of the Groups IB,VIB,VIIB,IIIA,IVA and VIII of the Periodic Table, of the lanthanide group, carbon black and the residues of the pyrolysis of the organic acid salts of formula (I).
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