Compositions containing vinylidene fluoride polymers which are s

Details Compositions containing vinylidene fluoride polymers which are s Compositions containing vinylidene fluoride polymers which are s

1997-03-24

1999-07-27

Krass, Frederick

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

At least one aryl ring which is part of a fused or bridged...

524396, 524397, 524399, C08K 5098, C08L 2716

Patent

active

059291524

ABSTRACT:
The compositions contain, as heat stabilizer, an effective amount of bismuth carboxylate chosen from bismuth succinate, acrylate and terephthalate and their mixtures. In general, this amount is at least 0.05 part and does not exceed 5 parts per 100 parts by weight of vinylidene fluoride polymer. The heat stabilizers according to the invention are suitable both for the thermal stabilization of virgin polymers and for the stabilization/decoloration of thermally degraded waste polymers.

REFERENCES:
patent: 2560160 (1951-07-01), Deutsch et al.
patent: 5373062 (1994-12-01), Gardner et al.

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