Carbonate polymers containing a salt of a crown complex as an ig

Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Processes of preparing a desired or intentional composition...

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524404, 524410, 524413, C08K 515

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active

044395663

ABSTRACT:
A polycarbonate such as bisphenol-A homopolycarbonate containing a small amount of a crown salt, e.g., an 18-crown ether (potassium fluoroborate), resists combustion upon exposure to a low temperature ignition source.

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patent: 4335038 (1982-06-01), Thomas

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