Fluid hose with a surface modifiying substance
The present application relates to a fluid hose for conducting fluid, wherein the fluid hose is adapted as an at least two-layer fluid hose, which comprises an inner hose layer and an outer hose layer, wherein the inner hose layer encloses an interior of the fluid hose for receiving fluid, wherein the inner hose layer comprising an inner surface facing the interior of the fluid hose, wherein the inner hose layer is formed from a plastic, wherein a surface-modifying substance is embedded within the plastic in a diffusion-resistant manner; and wherein the surface-modifying substance is adapted to change a surface property of the inner surface of the inner hose layer, in order to prevent colonization of the inner surface by microorganisms.
1. A fluid hose for conducting fluid, comprising:
an inner hose layer, wherein:
the inner hose layer encloses an interior of the fluid hose for receiving fluid,
the inner hose layer comprises an inner surface facing the interior of the fluid hose, and
the inner hose layer is formed from a plastic, wherein a surface-modifying substance is embedded within the plastic in a diffusion-resistant manner
wherein the surface-modifying substance is configured to change a surface property of the inner surface of the inner hose layer to prevent colonization of the inner surface by microorganisms, wherein the surface-modifying substance comprises a surface-polarizing substance configured to change a polarization of the inner surface of the inner hose layer, wherein the colonization of the inner surface by the microorganisms is prevented by the surface-polarizing substance, wherein the surface-polarizing substance comprises an organometallic compound that comprises a copper thiolate compound; and
an outer hose layer.
2. The fluid hose of claim 1 , wherein the surface-polarizing substance in the inner hose layer is present in a concentration range from 0.01 wt.-% to 1 wt.-%.
3. The fluid hose of claim 1 , wherein the surface-polarizing substance in the inner hose layer is present in a concentration range from 0.025 wt.-% to 0.1 wt.-%.
4. The fluid hose of claim 1 , wherein the surface-modifying substance is embedded throughout the inner hose layer.
5. The fluid hose of claim 1 , wherein the surface-modifying substance is embedded in an area of the inner hose layer that faces the inner surface, wherein the area is limited by the inner surface and extends from the inner surface towards the outer hose layer.
6. The fluid hose of claim 1 , wherein the inner hose layer formed from the plastic comprises a plastic matrix, in which the surface-modifying substance is embedded in a diffusion-resistant manner, and wherein the plastic matrix is configured to prevent release of the surface-modifying substance into the fluid that is conductible through the fluid hose.
7. The fluid hose of claim 1 , wherein the plastic of the inner hose layer comprises an elastomer, a thermoplastic elastomer (TPE), a thermoplastic elastomer vulcanizate (TPE-V), acrylonitrile butadiene rubber (NBR), natural rubber (NR), ethylene propylene diene rubber (EPDM), isobutene isoprene rubber (IIR), methyl vinyl silicone rubber (VMQ), a flexible fluorothermoplastic (THV) made from thermoplastic elastomer (TPE), hexafluoropropylene (HFP) and polyvinylidene fluoride (VDF), a peroxide-crosslinked thermoplastic elastomer vulcanizate (TPE-V), or any combination thereof.
8. The fluid hose of claim 1 , wherein the outer hose layer is formed from a plastic, and wherein the plastic of the outer hose layer comprises an elastomer, a thermoplastic elastomer (TPE), a thermoplastic elastomer vulcanizate (TPE-V), acrylonitrile butadiene rubber (NBR), styrene butadiene rubber (SBR), natural rubber (NR), ethylene propylene diene rubber (EPDM), chloroprene rubber (CR), methyl vinyl silicone rubber (VMQ), epichlorohydrin rubber (ECO), or any combination thereof.
9. The fluid hose of claim 1 , wherein the fluid hose comprises at least one reinforcement arranged between the outer hose layer and the inner hose layer.
10. The fluid hose of claim 9 , wherein the at least one reinforcement is configured as a single-layer or multi-layer reinforcement, and wherein the at least one reinforcement comprises a woven fabric, mesh fabric, braided fabric, knitted fabric, a spiralized textile insert, or any combination thereof.
11. The fluid hose of claim 9 , wherein the at least one reinforcement comprises aromatic or aliphatic polyamide fibers, polyoxadiazole fibers, polyester fibers, polyphenylene sulfide fibers, aramid fibers, meta-aramid fibers, para-aramid fibers, polyimide fibers, polyvinylacetal fibers, polyetheretherketone fibers, or mixtures thereof.
12. The fluid hose of claim 9 , wherein the fluid hose comprises a first intermediate layer arranged between the outer hose layer and the at least one reinforcement, a second intermediate layer arranged between the inner hose layer and the at least one reinforcement, or both.
13. The fluid hose of claim 12 , wherein the first intermediate layer, the second intermediate layer, or both, comprises an elastomer, a thermoplastic elastomer (TPE), a thermoplastic elastomer vulcanizate (TPE-V), acrylonitrile butadiene rubber (NBR), styrene butadiene rubber (SBR), natural rubber (NR), ethylene propylene diene rubber (EPDM), chloroprene rubber (CR), methyl vinyl silicone rubber (VMQ), epichlorohydrin rubber (ECO), or any combination thereof.
14. The fluid hose of claim 1 , wherein the inner hose layer has a thickness of 0.2 mm to 2 mm.
15. The fluid hose of claim 1 , wherein the inner hose layer has a thickness of 0.2 mm.