Method for delivering a volatile material

1. A method of delivering a volatile material comprising the steps of: providing a delivery engine comprising:

a. a reservoir comprising a volatile material mixture;

b. an outer perimeter circumferencing the reservoir;

c. a rupturable substrate enclosing at least a portion of the reservoir;

d. a rupture element positioned adjacent to the rupturable substrate;

e. a microporous membrane sealed with the outer perimeter of the reservoir, wherein said microporous membrane encloses the reservoir, the rupturable substrate, and the rupture element; and

breaching the rupturable substrate to create a flow path from the reservoir, through the rupturable substrate, through the rupture element, and to the microporous membrane.

2. The method of claim 1 , wherein the volatile material mixture comprises about 40% to about 100%, by total weight, of volatile materials each having a vapor pressure at 25° C. of less than about 0.3 torr.

3. The method of claim 1 , wherein said volatile material mixture comprises:

a. 0% to about 15%, by total weight, of volatile materials each having a VP at 25° C. of about 0.004 torr to about 0.035 torr;

b. about 0% to about 25%, by total weight, of volatile materials each having a VP at 25° C. of about 0.1 torr to about 0.325 torr; and

c. about 65% to about 100%, by total weight, of volatile materials each having a VP at 25° C. of about 0.035 torr to about 0.1 torr.

4. The method of claim 1 , wherein the volatile material mixture comprises a viscosity of about 1.0 cP to less than about 15 cP.

5. The method of claim 1 , wherein the volatile material mixture comprises a surface tension of about 19 mN/m to less than about 27 mN/m.

6. The method of claim 1 , wherein the microporous membrane comprises an average pore size of about 0.01 microns to about 0.06 microns.

7. The method of claim 1 , wherein the volatile material mixture comprises a perfume material.

8. The method of claim 1 , wherein the delivery engine further comprises a collection basin in fluid communication with the microporous membrane and the reservoir upon rupturing said rupturable substrate.

9. The method of claim 1 further comprising the step of using a fan to deliver the volatile material mixture to the atmosphere.

10. A method of delivering a volatile material comprising the steps of:

a. providing a delivery engine comprising:

i. a reservoir comprising a volatile material;

ii. a rupturable substrate enclosing at least a portion of the reservoir;

iii. an outer perimeter circumferencing the reservoir;

iv. a rupture element positioned between the rupturable substrate and a microporous membrane;

v. the microporous membrane sealed to the outer perimeter of the reservoir, wherein the microporous membrane encloses the reservoir, the rupture element, and the rupturable substrate; and

b. compressing the microporous membrane and the rupture element to breach the rupturable substrate, creating a flow path from the reservoir, through the rupturable substrate, through the rupture element, and to the microporous membrane.

11. The method of claim 10 , wherein the method further comprises the step of inserting the delivering engine in a housing, the housing comprising a notch to compress the microporous membrane and the rupture element.

12. The method of claim 10 , wherein the rupture element comprises a compressible flange, the flange comprises a piercing element.

13. The method of claim 10 , wherein the microporous membrane comprises an average pore size of about 0.01 microns to about 0.06 microns.

14. The method of claim 10 , wherein the compressing step comprises a compression force of less than about 15N.

15. The method of claim 10 , wherein the volatile material mixture comprises a perfume material.

16. The method of claim 10 , wherein the volatile material mixture comprises about 40% to about 100%, by total weight, of volatile materials each having a vapor pressure at 25° C. of less than about 0.3 torr.

17. The method of claim 16 , wherein the volatile material mixture comprises about 40% to about 100%, by total weight, of volatile materials each having a vapor pressure at 25° C. of less than about 0.1 torr.

18. The method of claim 10 , wherein the reservoir comprises a bottom, an opening, and a ridge circumferencing the opening, wherein the rupturable substrate is sealed to the ridge of the reservoir.

19. The method of claim 10 , wherein the reservoir comprises see-through plastic.

20. The method of claim 10 further comprising the step of using a fan to deliver the volatile material to the atmosphere.