Filtration component with microcapsule elements for respiratory protective device
A filtration component with microcapsule elements for respiratory protective devices is provided. In some examples, the filtration component includes a periphery wall element and a filter media element. In some examples, the periphery wall element comprises a plurality of microcapsules. In some examples, the filter media element is secured to an inner circumference surface of the periphery wall element.
1 . A filtration component for a respiratory protective device, the filtration component comprising:
a periphery wall element comprising a plurality of microcapsules; and
a filter media element secured to an inner circumference surface of the periphery wall element,
wherein one or more of the plurality of microcapsules comprises a shell portion and a core portion,
wherein the core portion is positioned within the shell portion, and
wherein the core portion comprises a fragrance material.
2 . The filtration component of claim 1 , wherein the core portion comprises a temperature sensitive material.
3 . The filtration component of claim 2 , wherein the core portion comprises a humidity sensitive material.
4 . The filtration component of claim 2 , wherein the temperature sensitive material transfers from a solid state to a liquid state when a temperature of the temperature sensitive material is within a temperature range.
5 . The filtration component of claim 4 , wherein the temperature range is between 32 degrees Celsius and 35 degree Celsius.
6 . The filtration component of claim 4 , wherein the temperature sensitive material comprises at least one of a paraffin material or a polyethylene glycol (PEG) material.
7 . The filtration component of claim 3 , wherein the humidity sensitive material transfers from a solid state to a liquid state when the humidity sensitive material is in a relative humidity range.
8 . The filtration component of claim 7 , wherein the relative humidity range is more than 90%.
9 . The filtration component of claim 7 , wherein the humidity sensitive material comprises at least one of a monosaccharide material, a disaccharide material, or a trisaccharide material.
10 . The filtration component of claim 1 , wherein the shell portion comprises a heat resistant material.
11 . The filtration component of claim 10 , wherein a melting temperature of the heat resistant material is above 180 degrees Celsius.
12 . The filtration component of claim 10 , wherein the heat resistant material comprises a crosslinked polyurethane, a polyamide, and/or a functional resin.
13 . The filtration component of claim 1 , wherein a thickness of the shell portion is above 50 micrometers.
14 . The filtration component of claim 1 , wherein the periphery wall element further comprises thermoplastic elastomer material.
15 . A method for manufacturing a filtration component for a respiratory protective device, the method comprising:
forming a plurality of microcapsules, wherein the each of the plurality of microcapsules comprises a shell portion and a core portion;
forming the core portion based at least in part with a fragrance material;
forming a resin mixture based at least in part on mixing the plurality of microcapsules with thermoplastic elastomer material;
forming a mixture strip based at least in part on injecting the resin mixture into an extruder; and
forming a periphery wall element of the filtration component based at least in part on molding the mixture strip in a mold.
16 . The method of claim 15 , wherein, when forming the plurality of microcapsules, the method forming comprising:
forming the core portion based at least in part on mixing two or more of the fragrance material, a temperature sensitive material, and a humidity sensitive material; and
coating the core portion with the shell portion, wherein the shell portion comprises heat resistant material.
17 . The method of claim 16 , wherein the temperature sensitive material comprises at least one of a paraffin material or a polyethylene glycol (PEG) material.
18 . The method of claim 16 , wherein the humidity sensitive material comprises at least one of a monosaccharide material, a disaccharide material, or a trisaccharide material.
19 . The method of claim 15 , wherein the shell portion comprises a crosslinked polyurethane, a polyamide, and/or a functional resin.
20 . The method of claim 15 , further comprising:
attaching filter media element to an inner circumference surface of the periphery wall element.