초록 ▼

A method of delivering a volatile material to the atmosphere in a continuous manner is disclosed. The method includes providing a delivery engine having a reservoir that includes a volatile material mixture. The volatile material mixture includes about 40% to about 100%, by total weight, of the vola

A method of delivering a volatile material to the atmosphere in a continuous manner is disclosed. The method includes providing a delivery engine having a reservoir that includes a volatile material mixture. The volatile material mixture includes about 40% to about 100%, by total weight, of the volatile materials each having a vapor pressure at 25° C. of less than about 0.1 torr. The delivery system also includes a microporous membrane enclosing the reservoir, wherein the microporous membrane comprises an average pore size of about 0.01 to about 0.03 microns.

대표청구항 ▼

1. A method of delivering a volatile material comprising the step of providing a delivery engine comprising: a. a reservoir comprising a volatile material mixture, said volatile material mixture comprising about 40% to about 100%, by total weight, of volatile materials each having a vapor pressure a

1. A method of delivering a volatile material comprising the step of providing a delivery engine comprising: a. a reservoir comprising a volatile material mixture, said volatile material mixture comprising 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;b. a microporous membrane enclosing said reservoir, said microporous membrane comprising an evaporative surface area of about 2 cm2 to about 35 cm2 and an average pore size of about 0.01 to about 0.03 microns;c. a rupturable substrate enclosing said reservoir; andd. a flow path between said rupturable substrate and said microporous membrane;e. a rupture element comprising a support structure, said rupture element and support structure positioned in said flow path between said rupturable substrate and said microporous membrane. 2. The method of claim 1, wherein said volatile material mixture comprises about 50%, by total weight, of volatile materials each having a vapor pressure at 25° C. of less than about 0.1 ton. 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 vapor pressure 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 vapor pressure at 25° C. of about 0.1 torr to about 0.325 torr; andc. about 65% to about 100%, by total weight, of volatile materials each having a vapor pressure at 25° C. of about 0.035 torr to about 0.1 torr. 4. The method of claim 1, wherein said volatile material mixture comprises a viscosity of about 1.0 cP to less than about 15 cP. 5. The method of claim 1, wherein said 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 said microporous membrane comprises an average pore size of about 0.02 microns. 7. The method of claim 1, wherein said volatile material mixture comprises a perfume material. 8. The method of claim 1, wherein said delivery engine further comprises a collection basin in fluid communication with said microporous membrane and said reservoir upon rupturing said rupturable substrate. 9. The method of claim 1, wherein said microporous membrane encloses said rupturable substrate and said reservoir. 10. The method of claim 1 further comprising the step of compressing said microporous membrane and said rupture element to breach said rupturable substrate. 11. The method of claim 1, wherein said method further comprises the step of inserting said delivering engine in a housing, said housing comprising a notch to compress said microporous membrane and said rupture element. 12. The method of claim 1, wherein said rupture element comprises a compressible flange.