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US 5,241,094 AGranted
Basic calcium aluminum hydroxide dicarboxylates, a process for their production and their use
AssigneeBaerlocher GmbH
InventorsCoriolan Razvan, Reinhard Beck, Alfred Kuerzinger, Albert W. Puerzer, Michael Rosenthal
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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+2) A . m H.sub.2 O wherein x means 2-8, m means 0-12 and A means an aliphatic, aromatic or heteroaromatic dicarboxylic acid anion or combinations thereof and a process for their production. The compounds according to the invention are especially suited as stabilizers for halogen-containing, thermoplastic resins, in particular PVC.
Claims10
A calcium aluminum hydroxide dicarboxylate compound having the general formula
- Ca.sub.x Al.sub.2 (OH).sub.2(x+2) A.mH.sub.2 O
- wherein
- x is 2 to 8,
- m is 0 to 12 and
- A is an aliphatic, aromatic or heteroaromatic dicarboxylic acid anion or combinations thereof.
2 more elements
Dependencies are inferred from the claim text.