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1. (WO2019027880) PHOSPHATE IONIC LIQUID-POLYOXOMETALATE-INORGANIC ADDITIVE FOR LOW SMOKING ZERO HALOGEN FLAME RETARDANT COMPOUNDS
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What is claimed is:

1. A polymer composition, comprising:

a polymer resin; and

a flame retardant package dispersed within the polymer resin, wherein the flame retardant package includes an additive, the additive comprising:

a polyoxometalate ionic liquid (P1L), wherein the P1L includes organic cations that produce an acid upon heating; and

a synergist carrier.

2. The polymer composition of claim 1 , wherein the P1L is formed from an ionic liquid produced from a reaction between at least one of ammonium, imidazolium, guanidinium, pyridium, morpholinium, pyridazinium, 1,2,4-triazolium, triazine, sulfonium, phosphazenium, or phosphonium and a phosphorous-based, boron-based, or sulfur-based acid or anion.

3. The polymer composition of claim 1 , wherein the P1L is formed from at least one polyoxometalate anion of [PW12O40]3", [PM012O40]3", [S1W12O40]4", [S1M012O40]4",

[BW12O40]3-, [BM012O40]3-, [ASW12O40]5-, [ASM012O40]5-, [GeWi204o]4", [GeMoi204o]4", [PM09V3O40]5-, [PM010V2O40]5-, [PM011VO40]4-, [P2W18O62]6-, [P2M018O62]6-, [As2Wi8062]6-, [As2Moi8062]6", [W60i9]2", [Mo6Oi9]2", [V60i9]8", or [Nb60i9]8".

4. The polymer composition of claim 1 , wherein the synergist carrier includes one or more of a zeolite, a bentonite, a clay, or a zinc borate.

5. The polymer composition of claim 1 , wherein the synergist carrier is zeolite

4A.

6. The polymer composition of claim 1 , comprising from 0.5 to 5%, by weight, of the additive.

7. The polymer composition of claim 1 , comprising from 5% to 60%, by weight, of the flame retardant package.

8. The polymer composition of any one of claims 1 to 7, wherein the flame retardant package further comprises an acid source and a carbon source.

9. The polymer composition of claim 8, wherein the carbon source is at least one of a polyol, a polyol derivative, a phenol formaldehyde resin, a polyamide, a starch, or a eye lo dextrin.

10. The polymer composition of claim 8, wherein the acid source includes ammonium polyphosphate.

11. The polymer composition of claim 10, wherein the carbon source includes pentaerythritol and wherein the weight ratio of acid source to carbon source is at least 2:1.

12. The polymer composition of claim 8, wherein flame retardant package further comprises a spumific compound.

13. The polymer composition of claim 12, wherein the spumific compound includes melamine.

14. The polymer composition of claim 8, comprising at least 30%, by weight, of the flame retardant package, wherein the polymer composition has a limiting oxygen index of at least 30% as measured according to ISO 4589.

15. The LSZH polymer composition of claim 1, wherein the polymer resin includes one or more of ethylene-vinyl acetate copolymers, ethylene-acrylate copolymers, ethylene homopolymers, linear low density polyethylene, very low density polyethylene, polyolefin elastomer copolymer, propylene homopolymer, polyethylene -polypropylene copolymer, butene- and octene branched copolymers, or maleic anhydride -grafted versions of the polymers listed herein.

16. The polymer composition of any one of claims 1-15, wherein the P1L includes organic cations that produce an acid upon heating above 200° C.

17. A cable, comprising:

at least one optical fiber;

a polymeric jacket that surrounds the at least one optical fiber;

wherein the polymeric jacket comprises:

a polymer resin;

a carbon source;

an acid source;

a polyoxometalate ionic liquid (P1L); and

a synergist carrier;

wherein the P1L includes organic cations that produce an acid upon heating.

18. The cable of claim 17, wherein the cable achieves a rating of V-0 according to the UL-94 vertical burn test.

19. The cable of claim 17, wherein the synergist carrier is zeolite 4A.

20. The cable of claim 17, wherein the organic cation is derived from at least one of l,8-diazabicyclo[5.4.0]undec-7-ene, l ,5-diazabicyclo[4.3.0]non-5-ene, 1 ,5,7-triazabicyclo[4.4.0]dec-5-ene, 7-methyl-l ,5,7,triazabicyclo[4.4.0]dec-5-ene, or 1,1 ,3,3,-tetramethylguanidine.

21. The cable of claim 17, wherein the P1L is formed from at least one polyoxometalate anion of [PW12O40]3", [PM012O40]3", [S1W12O40]4", [S1M012O40]4",

[BW12O40]3-, [BM012O40]3-, [ASW12O40]5-, [ASM012O40]5-, [GeWi204o]4", [GeMoi204o]4", [PM09V3O40]5-, [PM010V2O40]5-, [PM011VO40]4-, [P2W18O62]6", [P2M018O62]6", [As2Wi8062]6", [As2Moi8062]6", [W60i9]2", [Mo6Oi9]2", [V60i9]8", or [Nb60i9]8".

22. The cable of claim 17, wherein the acid source includes ammonium polyphosphate and the carbon source includes pentaerythritol and wherein the weight ratio of the acid source to the carbon source is at least 2:1.

23. The cable of any one of claims 17 to 22, wherein the polymeric jacket has a limiting oxygen index of at least 30% as measured according to ISO 4589.

24. The cable of any one of claims 17 to 23, wherein the P1L includes organic cations that produce an acid upon heating above 200° C.