Methods, compositions and articles for olfactory-active substances

1. A scented article, comprising:

a rod comprising an absorbent matrix material comprising multiple types of paper or pulp composition;

wherein the multiple types of paper or pulp composition comprises:

a first type of paper or pulp composition disposed at an interior of the absorbent matrix material, the first type of paper or pulp composition having a first porosity;

a second type of paper or pulp composition disposed at an exterior of the absorbent matrix material, the second type of paper or pulp composition having a second porosity different from the first porosity;

at least one olfactory-active composition releasably retained in the absorbent matrix material;

wherein at least a portion of an outermost surface of the exterior of the absorbent matrix material is treated with a porosity-altering material;

wherein the porosity-altering material comprises a dye, pigment, a wax, soy wax, paraffin, bees wax, polyethylene wax, microcrystalline wax, waxes that soften or melt at a temperature greater than about 150 F, acrylates, polylactide, polyglycolide or polycaprolactone, or a polyester copolymer comprising poly(lactide/glycolide) acid (PLGA) or poly(lactid-co-epsilon-caprolactone) (PLCL), alkyl- or alkoxyalkyl-2-cyanoacrylates, n-butyl-2-cyanoacrylate, 2-methoxybutyl-2-cyanoacrylate, crosslinked cyanoacrylate, polylactic acid, polyglycolic acid, lactic-glycolic acid copolymers, polycaprolactone, lactic acid-caprolactone copolymers, poly-3-hydroxybutyric acid, polyorthoesters, polyalkyl acrylates, copolymers of alkylacrylate and vinyl acetate, polyalkyl methacrylates, copolymers of alkyl methacrylates and butadiene; dioctyl phthalate, dimethyl sebacate, trethyl phosphate, tri(2-ethylhexy)phosphate, tri(p-cresyl)phosphate, glyceryl triacetate, glyceryl tributyrate, diethyl sebacate, dioctyl adipate, isopropyl myristate, butyl stearate, lauric acid, dibutyl phthalate, trioctyl trimellitate, dioctyl glutarate, or a starch; and

wherein the rod comprises an attachment element.

2. The scented article of claim 1 , wherein the attachment element interfaces with a string.

3. The scented article of claim 1 , wherein the attachment element comprises at least one selected from the group of a clip, a hook, an enclosed circle, a hook and eye, a string, prongs, a loop, or an adhesive.

4. The scented article of claim 1 , wherein the rod comprises a hollow core.

5. The scented article of claim 1 , wherein the porosity-altering material is configured to at least partially inhibit release of the at least one olfactory-active composition from the absorbent matrix material.

6. The scented article of claim 1 , wherein the rod is a spiral wound multilayered rod.

7. The scented article of claim 1 , further comprising a dye or a color applied to the scented article.

8. The scented article of claim 1 , wherein the absorbent matrix material comprises pulp fibers having different absorbance rates.

9. The scented article of claim 1 , further comprising a layer of material covering at least a portion of the scented article, wherein the layer of material does not absorb the at least one olfactory-active composition, wherein the layer of material is metal, ceramic, glass, plastic, or polymer material.

10. The scented article of claim 1 , wherein the absorbent matrix material comprises a space-filling additive, wherein the absorbent matrix material comprises a plurality of openings formed by destroying or reducing a size of the space-filling additive.

11. A scented article, comprising:

an absorbent matrix material forming a rod;

an interior of the rod comprising a pulp composition having a first porosity;

an exterior of the rod comprising a pulp composition having a second porosity, the second porosity being different from the first porosity;

at least one olfactory-active composition releasably retained in the absorbent matrix material; and

an attachment element;

wherein at least a portion of an outermost surface of the exterior of the rod is treated with a porosity-altering material;

wherein a porosity of the treated at least one portion of the outermost surface is different from a porosity of an untreated at least one portion of the outermost surface of the exterior of the rod; and

wherein the porosity-altering material comprises a dye, pigment, a wax, soy wax, paraffin, bees wax, polyethylene wax, microcrystalline wax, waxes that soften or melt at a temperature greater than about 150 F, acrylates, polylactide, polyglycolide or polycaprolactone, or a polyester copolymer comprising poly(lactide/glycolide) acid (PLGA) or poly(lactid-co-epsilon-caprolactone) (PLCL), alkyl- or alkoxyalkyl-2-cyanoacrylates, n-butyl-2-cyanoacrylate, 2-methoxybutyl-2-cyanoacrylate, crosslinked cyanoacrylate, polylactic acid, polyglycolic acid, lactic-glycolic acid copolymers, polycaprolactone, lactic acid-caprolactone copolymers, poly-3-hydroxybutyric acid, polyorthoesters, polyalkyl acrylates, copolymers of alkylacrylate and vinyl acetate, polyalkyl methacrylates, copolymers of alkyl methacrylates and butadiene; dioctyl phthalate, dimethyl sebacate, trethyl phosphate, tri(2-ethylhexy)phosphate, tri(p-cresyl)phosphate, glyceryl triacetate, glyceryl tributyrate, diethyl sebacate, dioctyl adipate, isopropyl myristate, butyl stearate, lauric acid, dibutyl phthalate, trioctyl trimellitate, dioctyl glutarate, or a starch.

12. The scented article of claim 11 , wherein the attachment element interfaces with a string.

13. The scented article of claim 11 , wherein the attachment element comprises at least one selected from the group of a clip, a hook, an enclosed circle, a hook and eye, a string, prongs, a loop, or an adhesive.

14. The scented article of claim 11 , wherein:

the porosity-altering material is configured to at least partially inhibit release of the at least one olfactory-active composition from the absorbent matrix material.

15. The scented article of claim 11 , wherein the rod is a spiral wound multilayered rod.

16. A scented article, comprising:

an absorbent matrix material forming a multilayered rod;

an interior of the multilayered rod comprising a pulp composition having a first porosity;

an exterior of the multilayered rod comprising a pulp composition having a second porosity, the second porosity being different from the first porosity;

at least one olfactory-active composition releasably retained in the absorbent matrix material;

a barrier material applied to at least a portion of an outermost surface of the exterior of the multilayered rod;

wherein a porosity of the treated at least one portion of the outermost surface is different from a porosity of an untreated at least one portion of the outermost surface of the exterior of the multilayered rod; and

an attachment element;

wherein the barrier material retards a release of the at least one olfactory-active composition through the outermost surface of the exterior of the multilayered rod; and

wherein the barrier material comprises a paper wrapping, dye, pigment, a wax, soy wax, paraffin, bees wax, polyethylene wax, microcrystalline wax, waxes that soften or melt at a temperature greater than about 150 F, acrylates, polylactide, polyglycolide or polycaprolactone, or a polyester copolymer comprising poly(lactide/glycolide) acid (PLGA) or poly(lactid-co-epsilon-caprolactone) (PLCL), alkyl- or alkoxyalkyl-2-cyanoacrylates, n-butyl-2-cyanoacrylate, 2-methoxybutyl-2-cyanoacrylate, crosslinked cyanoacrylate, polylactic acid, polyglycolic acid, lactic-glycolic acid copolymers, polycaprolactone, lactic acid-caprolactone copolymers, poly-3-hydroxybutyric acid, polyorthoesters, polyalkyl acrylates, copolymers of alkylacrylate and vinyl acetate, polyalkyl methacrylates, copolymers of alkyl methacrylates and butadiene; dioctyl phthalate, dimethyl sebacate, trethyl phosphate, tri(2-ethylhexy)phosphate, tri(p-cresyl)phosphate, glyceryl triacetate, glyceryl tributyrate, diethyl sebacate, dioctyl adipate, isopropyl myristate, butyl stearate, lauric acid, dibutyl phthalate, trioctyl trimellitate, dioctyl glutarate, or a starch.

17. The scented article of claim 16 , wherein a release rate of the at least one olfactory-active composition is reduced by an increased compactness of fibers of the multilayered rod.

18. The scented article of claim 16 , wherein, when fibers of the multilayered rod are physically altered, a release rate of the at least one olfactory-active composition is reduced.

19. The scented article of claim 16 , further comprising a holder for the scented article, wherein the holder comprises a metal, ceramic, glass, plastic, or polymer material.

20. The scented article of claim 19 , wherein the holder comprises an energy source, wherein the energy source comprises a heater, fan, or solar panel.

21. A scented article, comprising:

at least one olfactory-active composition;

a structural component comprising an absorbent matrix material formed of multiple types of pulp composition, the multiple types of pulp composition comprising;

a first type of pulp composition disposed at an interior of the structural component, the first type of pulp composition having a first porosity; and

a second type of pulp composition disposed at an exterior of the structural component, the second type of pulp composition having a second porosity different from the first porosity, and

a coating composition disposed on an outermost surface of the exterior of the structural component and covering at least a portion of the structural component, wherein the coating composition comprises a wax, soy wax, paraffin, bees wax, polyethylene wax, microcrystalline wax, waxes that soften or melt at a temperature greater than about 150 F, acrylates, polylactide, polyglycolide or polycaprolactone, or a polyester copolymer comprising poly(lactide/glycolide) acid (PLGA) or poly(lactid-co-epsilon-caprolactone) (PLCL), alkyl- or alkoxyalkyl-2-cyanoacrylates, n-butyl-2-cyanoacrylate, 2-methoxybutyl-2-cyanoacrylate, crosslinked cyanoacrylate, polylactic acid, polyglycolic acid, lactic-glycolic acid copolymers, polycaprolactone, lactic acid-caprolactone copolymers, poly-3-hydroxybutyric acid, polyorthoesters, polyalkyl acrylates, copolymers of alkylacrylate and vinyl acetate, polyalkyl methacrylates, copolymers of alkyl methacrylates and butadiene; dioctyl phthalate, dimethyl sebacate, trethyl phosphate, tri(2-ethylhexy)phosphate, tri(p-cresyl)phosphate, glyceryl triacetate, glyceryl tributyrate, diethyl sebacate, dioctyl adipate, isopropyl myristate, butyl stearate, lauric acid, dibutyl phthalate, trioctyl trimellitate, dioctyl glutarate, glaze, starch, or a starch derivative;

wherein the at least one olfactory-active composition is releasably retained in the absorbent matrix material.

22. The scented article of claim 21 , wherein the first type of pulp composition comprises a collection of fibers derived from a natural or synthetic source material and the second type of pulp composition comprises a collection of fibers derived from a natural or synthetic source material.