Thermoplastic Material With Adjustable Useful Lifetime, Method For Their Manufacture And Products Thereof
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United States of America Patent
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Issued Date -
Apr 17, 2008
app pub date -
Oct 19, 2005
filing date -
Oct 22, 2004
priority date (Note) -
Abandoned
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Abstract
Method and mixture for the manufacture of thermoplastic materials with good processibility and adjustable lifetime, comprising at least one oxidizing promoting agent (prodegradant) and at least one stabilizer. The prodegradant is a fat-soluble metal compound manufacturable by allowing a metal salt to react with a fat-soluble organic compound in a process involving a suitable oxidizing. The end product has an oxidizing ability with respect to a certain reduction agent that is higher than the oxidizing ability of a reference product manufactured from the same metal salt and the same fat-soluble organic compound without the use of oxidizing agent. A stabilizer with suitable process stability and long-term stability is used in combination with the prodegradant. The invention also concerns products manufactured by the method.
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