Thermoplastic polymers
AssigneeColorant Chromatics AG
InventorsAndrew Overend, Steven John Moloney, Bjorn Klaas, Bo Sjoblom
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Abstract
Thermoplastic polymers, for example fluoropolymers, are foamed by use of a solid formulation comprising thermoplastic polymer and manganese oxalate.
Claims28
A formulation for use in preparing a foamed thermoplastic polymer, said formulation comprising a thermoplastic polymer and an oxalate compound.
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A method of preparing a foamed thermoplastic polymer which comprises subjecting a mixture comprising an oxalate compound and a thermoplastic polymer to a temperature of greater than 300° C.
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A method according to 19, wherein said thermoplastic polymer to be foamed is FEP.
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Dependencies are inferred from the claim text.