FLEXIBLE STORAGE TANK
Various aspects of the present disclosure relate to a sealed storage tank. The sealed storage tank includes a polymeric layer having a thickness in a range of from about 0.05 mm to about 1 mm. The sealed storage tank further includes a fibrous scrim layer directly contacting the polymeric layer. The fibrous scrim layer includes a denier value in a range of from about 500 denier to about 1500 denier. The polymeric layer is optionally substantially translucent or transparent and is optionally at least partially visible through the fibrous scrim layer.
1 . A sealed storage tank comprising:
a polymeric layer having a thickness in a range of from about 0.05 mm to about 1 mm; and
a fibrous scrim layer directly contacting the polymeric layer, the fibrous scrim layer having a denier value in a range of from about 500 denier to about 1500 denier,
wherein the polymeric layer is optionally substantially translucent or transparent and is optionally at least partially visible through the fibrous scrim layer.
2 . The sealed storage tank of claim 1 , further comprising a vent, a port, a valve, or a combination thereof extending through the polymeric layer and the fibrous scrim layer.
3 . The sealed storage tank of claim 1 , having of volume of up to about 200,000 liters.
4 . The sealed storage tank of claim 1 , wherein the thickness of the polymeric layer is in a range of from about 0.20 mm to about 0.30 mm.
5 . The sealed storage tank of claim 1 , wherein the polymeric layer comprises a polyolefin, a polyketone, a polyester, a polyamide, ethylene vinyl alcohol, a polyvinylidene fluoride, a polyvinylidene chloride, a polyvinyl alcohol, a polytetrafluoroethylene, copolymers thereof, or a mixture thereof.
6 . The sealed storage tank of claim 1 , wherein the polymeric layer comprises an additive comprising a plasticizer additive, an antistatic additive, an antioxidant additive, a UV-resistance additive, or a mixture thereof.
7 . The sealed storage tank of claim 6 , wherein the additive is present in the polymeric layer in a range of from about 0.05 wt % to about 10 wt %.
8 . The sealed storage tank of claim 6 , wherein the plasticizer comprises bis(2-ethylhexyl) phthalate, bis(2-propylheptyl) phthalate, diisononyl phthalate, di-n-butyl phthalate, butyl benzyl phthalate, diisodecyl phthalate, dioctyl phthalate, diethyl phthalate, diisobutyl phthalate, di-n-hexyl phthalate, trimethyl trimellitate, tri-(2-ethylhexyl) trimellitate, tri-(n-octyl,n-decyl) trimellitate, tri-(heptyl,nonyl) trimellitate, n-octyl trimellitate, bis(2-ethylhexyl)adipate, dimethyl adipate, monomethyl adipate, dioctyl adipate, dibutyl sebacate, dibutyl maleate, diisobutyl maleate, triethyl citrate, acetyl triethyl citrate, tributyl citrate, acetyl tributyl citrate, trioctyl citrate, acetyl trioctyl citrate, trihexyl citrate, acetyl trihexyl citrate, butyryl trihexyl citrate, trimethyl citrate, or a mixture thereof.
9 . The sealed storage tank of claim 1 , wherein a permeability of the sealed storage tank to a volatile organic compound is in a range of from about 1×10 −14 m 2 /s to about 30×10 −14 m 2 /s.
10 . The sealed storage tank of claim 8 wherein the volatile organic compound comprises an aromatic hydrocarbon, a chlorinated hydrocarbon, or a mixture thereof.
11 . The sealed storage tank of claim 1 , further comprising a barrier layer disposed adjacent to an interior side of the polymeric layer.
12 . The sealed storage tank of claim 11 , wherein a thickness of the barrier layer is in a range of from about 0.005 mm to about 0.05 mm.
13 . The sealed storage tank of claim 11 , wherein the barrier layer comprises ethylene vinyl alcohol, a polyketone, a polyester, a polyvinylidene fluoride, a polyvinylidene chloride, a polyvinyl alcohol, a polytetrafluoroethylene, a polyamide, a metalized film, copolymers thereof, or a mixture thereof.
14 . The sealed storage tank of claim 1 , wherein the fibrous scrim comprises a woven or non-woven material comprising fiber glass, nylon, cotton, cellulosic fiber, wool, rubber, a polyester, a carbon fiber, a polyolefin, a coextruded material, or a mixture thereof.
15 . The sealed storage tank of claim 1 , wherein the fibrous scrim layer has a denier value in a range of from about 700 denier to about 1200 denier.
16 . The sealed storage tank of claim 1 , wherein the fibrous scrim comprises a plurality of openings bounded by individual fibers of the fibrous scrim, the openings independently comprising a circular shape, triangular shape, quadrilateral shape, or pentagonal shape.
17 . The sealed storage tank of claim 1 , wherein the fibrous scrim is at least partially embedded in the polymeric layer.
18 . The sealed storage tank of claim 1 , further comprising a liquid, a solid, a slurry, or a mixture thereof, disposed within the sealed storage tank.
19 . A sealed storage tank, comprising:
a polyethylene layer having a thickness in a range of from about 0.05 mm to about 1 mm; and
a fibrous scrim layer thermally bonded to or adhered to the polyethylene layer, the fibrous scrim layer comprising a plurality of polymeric fibers having a denier value in a range of from about 500 denier to about 1500 denier,
wherein the polymeric layer is optionally substantially translucent or transparent and is optionally at least partially visible through the fibrous scrim layer.
20 . A sealed storage tank consisting essentially of:
a polyethylene layer having a thickness in a range of from about 0.05 mm to about 1 mm; and
a fibrous scrim layer directly contacting the polyethylene layer, the fibrous scrim layer having a denier value in a range of from about 500 denier to about 1500 denier,
wherein the polymeric layer is optionally substantially translucent or transparent and is optionally at least partially visible through the fibrous scrim layer.