Polymer compositions containing sulfate glasses or glass-ceramic

Details Polymer compositions containing sulfate glasses or glass-ceramic Polymer compositions containing sulfate glasses or glass-ceramic

1981-12-30

1983-02-01

Jacobs, Lewis T.

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...

524567, 524568, 524566, C08L 2706, C08L 2708, C08L 3320

Patent

active

043716555

ABSTRACT:
Polymer compositions are disclosed that contain finely-divided additives of sulfate glasses and sulfate glass-ceramic materials comprised of potassium sulfate and zinc sulfate as smoke retardant additives. Glass sulfates and glass-ceramic materials comprised of potassium sulfate, zinc sulfate and sodium sulfate produce results superior to those obtained using the potassium sulfate-zinc sulfate binary system. The inclusion of a transition metal sulfate as a component of the sulfate glass or sulfate glass-ceramic material also produces superior results over those resulting from use of the potassium sulfate-zinc sulfate binary glasses and glass-ceramic materials.

REFERENCES:
patent: 3869405 (1975-03-01), Shaw et al.

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