High specific gravity geosynthetic comprising polypropylene
The present disclosure provides a geosynthetic. In one embodiment, the geosynthetic contains a composition containing (A) a polypropylene and (B) from greater than 0 wt % to less than 3 wt % of a halogen-free flame retardant, based on the total weight of the composition. In another embodiment, the geosynthetic contains a composition containing (A) a polypropylene and (B) greater than 20 wt % zinc sulfide, based on the total weight of the composition. In another embodiment, the geosynthetic contains a composition containing (A) a polypropylene; (B) a halogen-free flame retardant; and (C) greater than 20 wt % zinc sulfide, based on the total weight of the composition. The composition has a specific gravity greater than 1.00 g/cc.
1. A geosynthetic comprising:
a composition comprising:
a polymer that consists of a propylene homopolymer;
from greater than 0 wt % to less than 3 wt % of a halogen-free flame retardant, based on the total weight of the composition;
greater than 20 wt % zinc sulfide; and
wherein the composition has a specific gravity greater than 1.00.
2. The geosynthetic of claim 1 , wherein the composition has a specific gravity from 1.01 to 1.10.
3. The geosynthetic of claim 1 , wherein the geosynthetic has a specific gravity greater than 1.00.
4. The geosynthetic of claim 1 , wherein the composition is halogen-free.
5. The geosynthetic of claim 1 , wherein the composition comprises an additive having a specific gravity greater than 1.00.
6. The geosynthetic of claim 1 , wherein the halogen-free flame retardant is propanediamine.
7. The geosynthetic of claim 1 , wherein the geosynthetic is a geotextile comprising fibers comprising the composition.
8. The geosynthetic of claim 1 , wherein the geosynthetic has a burn rate of from 0 mm/sec to less than 100 mm/sec, as tested in accordance with FMVSS 302.
9. A geosynthetic comprising:
a composition comprising:
a polymer that consists of a polypropylene homopolymer;
a halogen-free flame retardant;
greater than 20 wt % zinc sulfide, based on the total weight of the composition; and
the composition has a specific gravity greater than 1.00.
10. The geosynthetic of claim 9 , wherein the composition comprises from greater than 0 wt % to 20 wt % of the halogen-free flame retardant, based on the total weight of the composition.
11. The geosynthetic of claim 9 , wherein the composition has a specific gravity from 1.01 to 1.10.
12. The geosynthetic of claim 9 , wherein the geosynthetic has a specific gravity greater than 1.00.
13. The geosynthetic of claim 9 , wherein the composition is halogen-free.
14. The geosynthetic of claim 9 , wherein the composition comprises an additive having a specific gravity greater than 1.00.
15. A geosynthetic comprising:
a composition comprising:
a polyproylene;
a halogen-free flame retardant;
greater than 20 wt % zinc sulfide, based on the total weight of the compositions; and
the composition has a specific gravity greater than 1.00; and
wherein the halogen-free flame retardant is propanediamine.
16. The geosynthetic of claim 9 , wherein the geosynthetic is a geotextile comprising fibers comprising the composition.
17. The geosynthetic of claim 9 , wherein the geosynthetic has a burn rate of from 0 mm/sec to less than 100 mm/sec, as tested in accordance with FMVSS 302.
18. A geosynthetic comprising:
a composition comprising:
a polymer that consists of a polypropylene homopolymer;
greater than 20 wt % zinc sulfide, based on the total weight of the composition; and
wherein the composition has a specific gravity greater than 1.00, and
wherein the geosynthetic has a burn rate of from 0 mm/sec to less than 100 mm/sec, as tested in accordance with FMVSS 302.
19. The geosynthetic of claim 18 , wherein the composition has a specific gravity from 1.01 to 1.10.
20. The geosynthetic of claim 18 , wherein the geosynthetic has a specific gravity greater than 1.00.
21. The geosynthetic of claim 18 , wherein the composition is halogen-free.
22. The geosynthetic of claim 18 , wherein the composition comprises an additive having a specific gravity greater than 1.00.
23. The geosynthetic of claim 18 , wherein the geosynthetic is a geotextile comprising fibers comprising the composition.
24. The geosynthetic of claim 1 , wherein the woven or the nonwoven comprises a filament, a fiber, a yarn, or a combination thereof, containing the composition.
25. The geosynthetic of claim 24 , wherein the filament, the fiber, the yarn, or the combination thereof, has a denier of from about 300 to about 5000.