Basic calcium aluminum hydroxide dicarboxylates, a process for their production and their use
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United States of America Patent
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May 17, 1994
Grant Date -
N/A
app pub date -
Aug 6, 1993
filing date -
Feb 28, 1991
priority date (Note) -
Expired
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Abstract
The invention describes basic calcium aluminum hydroxide dicarboxylates of the general formula Ca.sub.x Al.sub.2 (OH).sub.2(x+3-y) A.sub.y .multidot.m H.sub.2 O wherein x means 2 to 12, ##EQU1## m means 0 to 12, and A means an aliphatic, aromatic or heteroaromatic dicarboxylic acid anion or combinations thereof, with the proviso that y.noteq. 1, if x= 2-8 and a process for their production. The compounds according to the invention are particularly suited as stabilizers for halogen-containing thermoplastic resins, in particular PVC.
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