CA3145900A1 - Freshening compositions and methods of atomizing freshening compositions with a thermally-actuated microfluidic cartridge - Google Patents
Freshening compositions and methods of atomizing freshening compositions with a thermally-actuated microfluidic cartridge Download PDFInfo
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- CA3145900A1 CA3145900A1 CA3145900A CA3145900A CA3145900A1 CA 3145900 A1 CA3145900 A1 CA 3145900A1 CA 3145900 A CA3145900 A CA 3145900A CA 3145900 A CA3145900 A CA 3145900A CA 3145900 A1 CA3145900 A1 CA 3145900A1
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- microfluidic
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- 238000000034 method Methods 0.000 title claims abstract description 26
- 239000000463 material Substances 0.000 claims abstract description 52
- 230000003381 solubilizing effect Effects 0.000 claims abstract description 34
- 239000007788 liquid Substances 0.000 claims abstract description 14
- 238000010438 heat treatment Methods 0.000 claims abstract description 7
- 239000012530 fluid Substances 0.000 claims description 124
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- WRMNZCZEMHIOCP-UHFFFAOYSA-N 2-phenylethanol Chemical compound OCCC1=CC=CC=C1 WRMNZCZEMHIOCP-UHFFFAOYSA-N 0.000 claims description 12
- 239000000758 substrate Substances 0.000 claims description 11
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- 229960004217 benzyl alcohol Drugs 0.000 claims description 10
- 239000004065 semiconductor Substances 0.000 claims description 10
- 229960001867 guaiacol Drugs 0.000 claims description 9
- WEZPLQKRXDBPEP-UHFFFAOYSA-N 1-(1-propoxypropan-2-yloxy)propan-2-ol Chemical compound CCCOCC(C)OCC(C)O WEZPLQKRXDBPEP-UHFFFAOYSA-N 0.000 claims description 8
- 238000004891 communication Methods 0.000 claims description 8
- FOLPKOWCPVGUCA-UHFFFAOYSA-N 1-(2-methoxypropoxy)propan-2-ol Chemical compound COC(C)COCC(C)O FOLPKOWCPVGUCA-UHFFFAOYSA-N 0.000 claims description 7
- DUFKCOQISQKSAV-UHFFFAOYSA-N Polypropylene glycol (m w 1,200-3,000) Chemical compound CC(O)COC(C)CO DUFKCOQISQKSAV-UHFFFAOYSA-N 0.000 claims description 4
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- RZKSECIXORKHQS-UHFFFAOYSA-N Heptan-3-ol Chemical compound CCCCC(O)CC RZKSECIXORKHQS-UHFFFAOYSA-N 0.000 description 5
- DHKHKXVYLBGOIT-UHFFFAOYSA-N acetaldehyde Diethyl Acetal Natural products CCOC(C)OCC DHKHKXVYLBGOIT-UHFFFAOYSA-N 0.000 description 5
- XSNQECSCDATQEL-UHFFFAOYSA-N dihydromyrcenol Chemical compound C=CC(C)CCCC(C)(C)O XSNQECSCDATQEL-UHFFFAOYSA-N 0.000 description 5
- OMSUIQOIVADKIM-UHFFFAOYSA-N ethyl 3-hydroxybutyrate Chemical compound CCOC(=O)CC(C)O OMSUIQOIVADKIM-UHFFFAOYSA-N 0.000 description 5
- MMXKVMNBHPAILY-UHFFFAOYSA-N ethyl laurate Chemical compound CCCCCCCCCCCC(=O)OCC MMXKVMNBHPAILY-UHFFFAOYSA-N 0.000 description 5
- 238000010304 firing Methods 0.000 description 5
- WTEVQBCEXWBHNA-JXMROGBWSA-N geranial Chemical compound CC(C)=CCC\C(C)=C\C=O WTEVQBCEXWBHNA-JXMROGBWSA-N 0.000 description 5
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- 239000002994 raw material Substances 0.000 description 5
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- 239000011593 sulfur Substances 0.000 description 4
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- 239000005020 polyethylene terephthalate Substances 0.000 description 1
- 229920000139 polyethylene terephthalate Polymers 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 229920001451 polypropylene glycol Polymers 0.000 description 1
- 229920001343 polytetrafluoroethylene Polymers 0.000 description 1
- 239000011496 polyurethane foam Substances 0.000 description 1
- 239000004405 propyl p-hydroxybenzoate Substances 0.000 description 1
- QQONPFPTGQHPMA-UHFFFAOYSA-N propylene Natural products CC=C QQONPFPTGQHPMA-UHFFFAOYSA-N 0.000 description 1
- LLHKCFNBLRBOGN-UHFFFAOYSA-N propylene glycol methyl ether acetate Chemical compound COCC(C)OC(C)=O LLHKCFNBLRBOGN-UHFFFAOYSA-N 0.000 description 1
- 229960003415 propylparaben Drugs 0.000 description 1
- 239000011241 protective layer Substances 0.000 description 1
- 229940120731 pyruvaldehyde Drugs 0.000 description 1
- 229940107700 pyruvic acid Drugs 0.000 description 1
- 230000009257 reactivity Effects 0.000 description 1
- 230000000241 respiratory effect Effects 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 235000017509 safranal Nutrition 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- GOZDTZWAMGHLDY-UHFFFAOYSA-L sodium picosulfate Chemical compound [Na+].[Na+].C1=CC(OS(=O)(=O)[O-])=CC=C1C(C=1N=CC=CC=1)C1=CC=C(OS([O-])(=O)=O)C=C1 GOZDTZWAMGHLDY-UHFFFAOYSA-L 0.000 description 1
- 238000000638 solvent extraction Methods 0.000 description 1
- BATOPAZDIZEVQF-UHFFFAOYSA-N sorbic aldehyde Natural products CC=CC=CC=O BATOPAZDIZEVQF-UHFFFAOYSA-N 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000001384 succinic acid Substances 0.000 description 1
- 150000003505 terpenes Chemical class 0.000 description 1
- 235000007586 terpenes Nutrition 0.000 description 1
- 150000007970 thio esters Chemical class 0.000 description 1
- 229960000790 thymol Drugs 0.000 description 1
- UIERETOOQGIECD-ONEGZZNKSA-N tiglic acid Chemical compound C\C=C(/C)C(O)=O UIERETOOQGIECD-ONEGZZNKSA-N 0.000 description 1
- UAXOELSVPTZZQG-UHFFFAOYSA-N tiglic acid Natural products CC(C)=C(C)C(O)=O UAXOELSVPTZZQG-UHFFFAOYSA-N 0.000 description 1
- NPFVOOAXDOBMCE-UHFFFAOYSA-N trans-3-hexenyl acetate Natural products CCC=CCCOC(C)=O NPFVOOAXDOBMCE-UHFFFAOYSA-N 0.000 description 1
- XJPBRODHZKDRCB-UHFFFAOYSA-N trans-alpha-ocimene Natural products CC(=C)CCC=C(C)C=C XJPBRODHZKDRCB-UHFFFAOYSA-N 0.000 description 1
- XMLSXPIVAXONDL-UHFFFAOYSA-N trans-jasmone Natural products CCC=CCC1=C(C)CCC1=O XMLSXPIVAXONDL-UHFFFAOYSA-N 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- KMPQYAYAQWNLME-UHFFFAOYSA-N undecanal Chemical compound CCCCCCCCCCC=O KMPQYAYAQWNLME-UHFFFAOYSA-N 0.000 description 1
- MWOOGOJBHIARFG-UHFFFAOYSA-N vanillin Chemical compound COC1=CC(C=O)=CC=C1O MWOOGOJBHIARFG-UHFFFAOYSA-N 0.000 description 1
- FGQOOHJZONJGDT-UHFFFAOYSA-N vanillin Natural products COC1=CC(O)=CC(C=O)=C1 FGQOOHJZONJGDT-UHFFFAOYSA-N 0.000 description 1
- 235000012141 vanillin Nutrition 0.000 description 1
- WJUFSDZVCOTFON-UHFFFAOYSA-N veratraldehyde Chemical compound COC1=CC=C(C=O)C=C1OC WJUFSDZVCOTFON-UHFFFAOYSA-N 0.000 description 1
- 239000003039 volatile agent Substances 0.000 description 1
- 239000000341 volatile oil Substances 0.000 description 1
- 239000002023 wood Substances 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
- A61L9/00—Disinfection, sterilisation or deodorisation of air
- A61L9/015—Disinfection, sterilisation or deodorisation of air using gaseous or vaporous substances, e.g. ozone
- A61L9/02—Disinfection, sterilisation or deodorisation of air using gaseous or vaporous substances, e.g. ozone using substances evaporated in the air by heating or combustion
- A61L9/03—Apparatus therefor
- A61L9/032—Apparatus therefor comprising a fan
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
- A61L9/00—Disinfection, sterilisation or deodorisation of air
- A61L9/01—Deodorant compositions
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
- A61L9/00—Disinfection, sterilisation or deodorisation of air
- A61L9/14—Disinfection, sterilisation or deodorisation of air using sprayed or atomised substances including air-liquid contact processes
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
- A61L2101/00—Chemical composition of materials used in disinfecting, sterilising or deodorising
- A61L2101/32—Organic compounds
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
- A61L2101/00—Chemical composition of materials used in disinfecting, sterilising or deodorising
- A61L2101/32—Organic compounds
- A61L2101/34—Hydroxy compounds
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
- A61L2101/00—Chemical composition of materials used in disinfecting, sterilising or deodorising
- A61L2101/32—Organic compounds
- A61L2101/36—Carboxylic acids or derivatives thereof
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
- A61L2209/00—Aspects relating to disinfection, sterilisation or deodorisation of air
- A61L2209/10—Apparatus features
- A61L2209/11—Apparatus for controlling air treatment
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
- A61L2209/00—Aspects relating to disinfection, sterilisation or deodorisation of air
- A61L2209/10—Apparatus features
- A61L2209/13—Dispensing or storing means for active compounds
- A61L2209/133—Replaceable cartridges, refills
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
- A61L2209/00—Aspects relating to disinfection, sterilisation or deodorisation of air
- A61L2209/10—Apparatus features
- A61L2209/13—Dispensing or storing means for active compounds
- A61L2209/134—Distributing means, e.g. baffles, valves, manifolds, nozzles
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
- A61L2209/00—Aspects relating to disinfection, sterilisation or deodorisation of air
- A61L2209/10—Apparatus features
- A61L2209/13—Dispensing or storing means for active compounds
- A61L2209/135—Vaporisers for active components
Abstract
A freshening composition and method of jetting a freshening composition from a microfluidic device are provided. The composition includes greater than 5 wt. % of solubilizing materials that are liquid at 20°C. Each of the solubilizing materials have a Hansen polarity parameter (dp) of greater than 5 MPa0.5; a Hansen hydrogen-bonding parameter (dh) of greater than 9 MPa0.5; and a vapor pressure of less than 267 Pa. The method includes heating the freshening composition with a thermal actuator and atomizing the heated composition from a nozzle in a direction that is from 0 degrees to 90 degrees from the direction of gravitational force.
Description
FRESHENING COMPOSITIONS AND METHODS OF ATOMIZING FRESHENING
COMPOSITIONS WITH A THERMALLY-ACTUATED MICROFLUIDIC CARTRIDGE
FIELD
The present invention is directed to a freshening composition and a method of atomizing a freshening composition from a thermally-activated microfluidic cartridge.
BACKGROUND
Recent attempts have been made to deliver fluid compositions, such as freshening compositions comprising perfume mixtures, into the air using thermally-activated microfluidic devices. Such thermally-activated microfluidic devices may include a microfluidic die having a plurality of nozzles for dispensing the fluid composition. One problem with thermally-activated microfluidic dies is clogging of the nozzles after repeated use of the microfluidic delivery system. Once a nozzle(s) clogs, it can be difficult or impossible for a user to clear the blockage. As a result, flow rate out of the microfluidic delivery system may decline over time, resulting in decreased flow rates of fluid composition being dispensed or increased operating times to make up for the lower flow rates. As such, there remains a need for a fluid composition that minimizes clogging of the nozzles of a microfluidic die.
SUMMARY
"Combinations:"
A. A microfluidic cartridge releasably connectable with a housing, wherein the cartridge comprises a reservoir for containing a fluid composition and microfluidic die in fluid communication with the reservoir, wherein the composition comprises greater than 5 wt. % of solubilizing materials that are liquid at 20 C, the solubilizing materials each having:
a Hansen polarity parameter (p) of greater than 5 MPa 5;
a Hansen hydrogen-bonding parameter (h) of greater than 9 MPa 5; and a vapor pressure of less than 267 Pa, measured at 25 C, wherein the composition comprises less than 22 wt.% benzyl alcohol.
B. The cartridge of Paragraph A, wherein the composition comprises from 5 wt. % to 25 wt.
% of the solubilizing materials, by weight of the total composition.
COMPOSITIONS WITH A THERMALLY-ACTUATED MICROFLUIDIC CARTRIDGE
FIELD
The present invention is directed to a freshening composition and a method of atomizing a freshening composition from a thermally-activated microfluidic cartridge.
BACKGROUND
Recent attempts have been made to deliver fluid compositions, such as freshening compositions comprising perfume mixtures, into the air using thermally-activated microfluidic devices. Such thermally-activated microfluidic devices may include a microfluidic die having a plurality of nozzles for dispensing the fluid composition. One problem with thermally-activated microfluidic dies is clogging of the nozzles after repeated use of the microfluidic delivery system. Once a nozzle(s) clogs, it can be difficult or impossible for a user to clear the blockage. As a result, flow rate out of the microfluidic delivery system may decline over time, resulting in decreased flow rates of fluid composition being dispensed or increased operating times to make up for the lower flow rates. As such, there remains a need for a fluid composition that minimizes clogging of the nozzles of a microfluidic die.
SUMMARY
"Combinations:"
A. A microfluidic cartridge releasably connectable with a housing, wherein the cartridge comprises a reservoir for containing a fluid composition and microfluidic die in fluid communication with the reservoir, wherein the composition comprises greater than 5 wt. % of solubilizing materials that are liquid at 20 C, the solubilizing materials each having:
a Hansen polarity parameter (p) of greater than 5 MPa 5;
a Hansen hydrogen-bonding parameter (h) of greater than 9 MPa 5; and a vapor pressure of less than 267 Pa, measured at 25 C, wherein the composition comprises less than 22 wt.% benzyl alcohol.
B. The cartridge of Paragraph A, wherein the composition comprises from 5 wt. % to 25 wt.
% of the solubilizing materials, by weight of the total composition.
2 C. The cartridge of Paragraph A or B, wherein the vapor pressure is less than or equal to 134 Pa measured at 25 C.
D. The cartridge of any of Paragraphs A through C, wherein the vapor pressure is less than or equal to 34 Pa, measured at 25 C.
E. The cartridge of any of Paragraphs A through D, wherein the solubilizing materials are selected from the group consisting of: phenylmethanol; 2-(2-hydroxypropoxy)propan-1-ol ;
propane-1,2-diol; 1-((1-propoxypropan-2-yl)oxy)propan-2-ol; 1-(2-methoxypropoxy)propan-2-ol;
4-ally1-2-methoxyphenol; 2-phenylethan-1-ol; and combinations thereof F. The cartridge of any of Paragraphs A through E, wherein the composition comprises a ClogP less than 3.5.
G. A method of jetting a composition, the method comprising the steps of:
providing a composition, the composition comprising greater than 5 wt. % of solubilizing materials that are liquid at 20 C, the solubilizing materials each having:
a Hansen polarity parameter (p) of greater than 5 MPO-5;
a Hansen hydrogen-bonding parameter (h) of greater than 9 MPO-5; and a vapor pressure of less than 267 Pa;
heating the composition with a thermal actuator;
atomizing the heated composition from a nozzle in a direction that is from 0 degrees to 90 degrees from the direction of gravitational force.
H. The method of Paragraph G, wherein the step of atomizing the heated composition further comprises atomizing the heated composition from a nozzle of a microfluidic delivery member, the microfluidic delivery member comprising a silicon semiconductor substrate containing a plurality of heater resistors, at least one fluid chamber associated with each heater resistor, and at least one nozzle associated with each fluid chamber.
I. The method of Paragraph G or H, wherein the composition comprises from 5 wt. % to 25 wt. % of the solubilizing materials, by weight of the total composition.
D. The cartridge of any of Paragraphs A through C, wherein the vapor pressure is less than or equal to 34 Pa, measured at 25 C.
E. The cartridge of any of Paragraphs A through D, wherein the solubilizing materials are selected from the group consisting of: phenylmethanol; 2-(2-hydroxypropoxy)propan-1-ol ;
propane-1,2-diol; 1-((1-propoxypropan-2-yl)oxy)propan-2-ol; 1-(2-methoxypropoxy)propan-2-ol;
4-ally1-2-methoxyphenol; 2-phenylethan-1-ol; and combinations thereof F. The cartridge of any of Paragraphs A through E, wherein the composition comprises a ClogP less than 3.5.
G. A method of jetting a composition, the method comprising the steps of:
providing a composition, the composition comprising greater than 5 wt. % of solubilizing materials that are liquid at 20 C, the solubilizing materials each having:
a Hansen polarity parameter (p) of greater than 5 MPO-5;
a Hansen hydrogen-bonding parameter (h) of greater than 9 MPO-5; and a vapor pressure of less than 267 Pa;
heating the composition with a thermal actuator;
atomizing the heated composition from a nozzle in a direction that is from 0 degrees to 90 degrees from the direction of gravitational force.
H. The method of Paragraph G, wherein the step of atomizing the heated composition further comprises atomizing the heated composition from a nozzle of a microfluidic delivery member, the microfluidic delivery member comprising a silicon semiconductor substrate containing a plurality of heater resistors, at least one fluid chamber associated with each heater resistor, and at least one nozzle associated with each fluid chamber.
I. The method of Paragraph G or H, wherein the composition comprises from 5 wt. % to 25 wt. % of the solubilizing materials, by weight of the total composition.
3 J. The method of any of Paragraphs G through I, wherein the vapor pressure is less than or equal to 137 Pa, measured at 25 C.
K. The method of any of Paragraphs G through J, wherein the Hansen polarity parameter (p) is greater than 7 MPa"; and the Hansen hydrogen-bonding parameter (h) is greater than 10 MPa", and the vapor pressure is less than or equal to 34 Pa, measured at 25 C.
L. The method of any of Paragraphs G through K, wherein the solubilizing materials are selected from the group consisting of: phenylmethanol; 2-(2-hydroxypropoxy)propan- 1 -ol ;
propane-1,2-diol; 1-((1-propoxypropan-2-yl)oxy)propan-2-ol; 1-(2-methoxypropoxy)propan-2-ol;
K. The method of any of Paragraphs G through J, wherein the Hansen polarity parameter (p) is greater than 7 MPa"; and the Hansen hydrogen-bonding parameter (h) is greater than 10 MPa", and the vapor pressure is less than or equal to 34 Pa, measured at 25 C.
L. The method of any of Paragraphs G through K, wherein the solubilizing materials are selected from the group consisting of: phenylmethanol; 2-(2-hydroxypropoxy)propan- 1 -ol ;
propane-1,2-diol; 1-((1-propoxypropan-2-yl)oxy)propan-2-ol; 1-(2-methoxypropoxy)propan-2-ol;
4-ally1-2-methoxyphenol; 2-phenylethan- 1 -ol; and combinations thereof M. A microfluidic cartridge releasably connectable with a housing, wherein the cartridge comprises a reservoir for containing a fluid composition and microfluidic die in fluid communication with the reservoir, wherein the composition , wherein the microfluidic die is configured to dispense the fluid composition in a direction that is from 0 degrees to 90 degrees from the direction of gravitational force, wherein the fluid composition comprises greater than 5 wt. % of solubilizing materials that are liquid at 20 C, the solubilizing materials each having:
a Hansen polarity parameter (p) of greater than 5 MPa0.5;
a Hansen hydrogen-bonding parameter (h) of greater than 9 MPa0.5; and a vapor pressure of less than 267 Pa.
N. The cartridge of Paragraph M, wherein the composition comprises from 5 wt. % to 25 wt.
% of the solubilizing materials, by weight of the total composition.
0.
The cartridge of Paragraph M or N, wherein the vapor pressure is less than or equal to 137 Pa, measured at 25 C.
P.
The cartridge of any of Paragraphs M through 0, wherein the Hansen polarity parameter (p) is greater than 7 NiPa"; and the Hansen hydrogen-bonding parameter (h) is greater than 10 MPa", and the vapor pressure is less than or equal to 34 Pa, measured at 25 C.
Q. The cartridge of any of Paragraphs M through P, wherein the solubilizing materials are selected from the group consisting of: phenylmethanol; 2-(2-hydroxypropoxy)propan-1-ol ;
propane-1,2-diol; 1-((1-propoxypropan-2-yl)oxy)propan-2-ol; 1-(2-methoxypropoxy)propan-2-ol;
4-ally1-2-methoxyphenol; 2-phenylethan-1-ol; and combinations thereof R. A microfluidic cartridge releasably connectable with a housing, wherein the cartridge comprises a reservoir for containing a fluid composition and microfluidic die in fluid communication with the reservoir, wherein the composition comprises greater than 5 wt. % of solubilizing materials that are liquid at 20 C, the solubilizing materials each having:
a Hansen polarity parameter (p) of greater than 5 MPa 5;
a Hansen hydrogen-bonding parameter (h) of greater than 9 MPa 5; and a vapor pressure of less than 1.4 Pa measured at 25 C.
S. The cartridge of Paragraph R, wherein the Hansen polarity parameter (p) is greater than 7 MPa 5; and the Hansen hydrogen-bonding parameter (6h) is greater than 10 MPa
a Hansen polarity parameter (p) of greater than 5 MPa0.5;
a Hansen hydrogen-bonding parameter (h) of greater than 9 MPa0.5; and a vapor pressure of less than 267 Pa.
N. The cartridge of Paragraph M, wherein the composition comprises from 5 wt. % to 25 wt.
% of the solubilizing materials, by weight of the total composition.
0.
The cartridge of Paragraph M or N, wherein the vapor pressure is less than or equal to 137 Pa, measured at 25 C.
P.
The cartridge of any of Paragraphs M through 0, wherein the Hansen polarity parameter (p) is greater than 7 NiPa"; and the Hansen hydrogen-bonding parameter (h) is greater than 10 MPa", and the vapor pressure is less than or equal to 34 Pa, measured at 25 C.
Q. The cartridge of any of Paragraphs M through P, wherein the solubilizing materials are selected from the group consisting of: phenylmethanol; 2-(2-hydroxypropoxy)propan-1-ol ;
propane-1,2-diol; 1-((1-propoxypropan-2-yl)oxy)propan-2-ol; 1-(2-methoxypropoxy)propan-2-ol;
4-ally1-2-methoxyphenol; 2-phenylethan-1-ol; and combinations thereof R. A microfluidic cartridge releasably connectable with a housing, wherein the cartridge comprises a reservoir for containing a fluid composition and microfluidic die in fluid communication with the reservoir, wherein the composition comprises greater than 5 wt. % of solubilizing materials that are liquid at 20 C, the solubilizing materials each having:
a Hansen polarity parameter (p) of greater than 5 MPa 5;
a Hansen hydrogen-bonding parameter (h) of greater than 9 MPa 5; and a vapor pressure of less than 1.4 Pa measured at 25 C.
S. The cartridge of Paragraph R, wherein the Hansen polarity parameter (p) is greater than 7 MPa 5; and the Hansen hydrogen-bonding parameter (6h) is greater than 10 MPa
5, and the vapor pressure is less than or equal to 34 Pa, measured at 25 C.
BRIEF DESCRIPTION OF THE DRAWINGS
Fig. 1 is a perspective view of a microfluidic cartridge with an electric circuit and microfluidic die.
Fig. 2 is a sectional view of a microfluidic cartridge.
Fig. 3 is an exploded view of an electric circuit and microfluidic die on a microfluidic cartridge.
Fig. 4 is a sectional view of a microfluidic die.
Fig. 5 is a plan view of a portion of a microfluidic die.
Fig. 6 is a perspective view of the front of a microfluidic delivery device.
Fig. 7 is a perspective view of the back of a microfluidic delivery device.
Fig. 8 is atop, plan view of a microfluidic delivery device.
Fig. 9 is a grading scale for solubilizing materials of a fluid composition.
DETAILED DESCRIPTION
While the below description describes a fluid composition, a microfluidic delivery device and a method of atomizing a fluid composition, both having various components, it is to be understood that the fluid composition, microfluidic delivery device, and method of atomizing a fluid composition are not limited to the construction and arrangement set forth in the following description or illustrated in the drawings.
The fluid composition of the present invention is adapted to be jetted from a microfluidic cartridge of a microfluidic delivery device. The microfluidic delivery device of the present disclosure overcomes challenges associated with dispensing a fluid composition in a horizontal or downward direction. The microfluidic delivery device may include a housing electrically connectable with a 5 power source, a cartridge releasably connectable with the housing. The microfluidic cartridge has a reservoir for containing a fluid composition and a microfluidic die in fluid communication with the reservoir. The microfluidic die is disposed on the microfluidic cartridge such that the fluid composition exits the microfluidic die in a direction that is from 0 degrees to 90 degrees from the direction of action of gravity.
Solidification of fluid composition on the surface of a nozzle plate or in the chamber of the microfluidic die can cause clogging of one or more of the nozzles. This is especially exaggerated when fluid exits the microfluidic die in a direction that is from 0 degrees to 90 degrees from the direction of action of gravity, as accumulation of some fluid on the nozzle layer is practically inevitable given the positive force that needs to be balanced for functionality.
The fluid compositions of the present invention may contain one or more solubilizing materials that are liquid at 20 C, where the solubilizing materials have a Hansen hydrogen-bonding parameter of greater than 9; a Hansen polarity parameter of greater than 5;
and a vapor pressure of less than 267 Pa, measured at 25 C.
The fluid composition may be configured as a freshening composition. The freshening composition may comprise a perfume mixture, a malodor blocker(s), a reactive aldehyde(s), functional perfume components, water, adjuncts, and combinations thereof.
Fluid Composition To operate satisfactorily in a microfluidic delivery system, many characteristics of a fluid composition are taken into consideration. Some factors include formulating fluid compositions with viscosities that are optimal to emit from the microfluidic delivery die, formulating fluid compositions with limited amounts or no suspended solids that would clog the microfluidic delivery die, formulating fluid compositions to be sufficiently stable to not dry and clog the microfluidic delivery member, formulating fluid compositions that are not flammable, etc. For adequate dispensing from a microfluidic die, proper atomization and effective delivery of an air freshening or malodor reducing composition may be considered in designing a fluid composition.
BRIEF DESCRIPTION OF THE DRAWINGS
Fig. 1 is a perspective view of a microfluidic cartridge with an electric circuit and microfluidic die.
Fig. 2 is a sectional view of a microfluidic cartridge.
Fig. 3 is an exploded view of an electric circuit and microfluidic die on a microfluidic cartridge.
Fig. 4 is a sectional view of a microfluidic die.
Fig. 5 is a plan view of a portion of a microfluidic die.
Fig. 6 is a perspective view of the front of a microfluidic delivery device.
Fig. 7 is a perspective view of the back of a microfluidic delivery device.
Fig. 8 is atop, plan view of a microfluidic delivery device.
Fig. 9 is a grading scale for solubilizing materials of a fluid composition.
DETAILED DESCRIPTION
While the below description describes a fluid composition, a microfluidic delivery device and a method of atomizing a fluid composition, both having various components, it is to be understood that the fluid composition, microfluidic delivery device, and method of atomizing a fluid composition are not limited to the construction and arrangement set forth in the following description or illustrated in the drawings.
The fluid composition of the present invention is adapted to be jetted from a microfluidic cartridge of a microfluidic delivery device. The microfluidic delivery device of the present disclosure overcomes challenges associated with dispensing a fluid composition in a horizontal or downward direction. The microfluidic delivery device may include a housing electrically connectable with a 5 power source, a cartridge releasably connectable with the housing. The microfluidic cartridge has a reservoir for containing a fluid composition and a microfluidic die in fluid communication with the reservoir. The microfluidic die is disposed on the microfluidic cartridge such that the fluid composition exits the microfluidic die in a direction that is from 0 degrees to 90 degrees from the direction of action of gravity.
Solidification of fluid composition on the surface of a nozzle plate or in the chamber of the microfluidic die can cause clogging of one or more of the nozzles. This is especially exaggerated when fluid exits the microfluidic die in a direction that is from 0 degrees to 90 degrees from the direction of action of gravity, as accumulation of some fluid on the nozzle layer is practically inevitable given the positive force that needs to be balanced for functionality.
The fluid compositions of the present invention may contain one or more solubilizing materials that are liquid at 20 C, where the solubilizing materials have a Hansen hydrogen-bonding parameter of greater than 9; a Hansen polarity parameter of greater than 5;
and a vapor pressure of less than 267 Pa, measured at 25 C.
The fluid composition may be configured as a freshening composition. The freshening composition may comprise a perfume mixture, a malodor blocker(s), a reactive aldehyde(s), functional perfume components, water, adjuncts, and combinations thereof.
Fluid Composition To operate satisfactorily in a microfluidic delivery system, many characteristics of a fluid composition are taken into consideration. Some factors include formulating fluid compositions with viscosities that are optimal to emit from the microfluidic delivery die, formulating fluid compositions with limited amounts or no suspended solids that would clog the microfluidic delivery die, formulating fluid compositions to be sufficiently stable to not dry and clog the microfluidic delivery member, formulating fluid compositions that are not flammable, etc. For adequate dispensing from a microfluidic die, proper atomization and effective delivery of an air freshening or malodor reducing composition may be considered in designing a fluid composition.
6 The fluid composition may exhibit a viscosity of less than 20 centipoise ("cps"), alternatively less than 18 cps, alternatively less than 16 cps, alternatively from about 3 cps to about 16 cps, alternatively about 4 cps to about 12 cps. The fluid composition may have a surface tension below about 35, alternatively from about 20 to about 30 dynes per centimeter.
Viscosity is reported in cps, as determined using an Anton Paar Kinematic SVM 3000 series Viscometer or equivalent measurement device capable of accurately measuring expected viscosity range of fluid at room temperature. This may also be a combination of instruments such as a Bohlin CVO Rheometer System in conjunction with a high sensitivity double gap geometry.
The fluid composition may be substantially free of suspended solids or solid particles existing in a mixture wherein particulate matter is dispersed within a liquid matrix. The fluid composition may have less than 20 wt.% of suspended solids, alternatively less than 15 wt.% of suspended solids, alternatively less than 10 wt.% of suspends, alternatively less than 5 wt.% of suspended solids, alternatively less than 4 wt.% of suspended solids, alternatively less than 3 wt.% of suspended solids, alternatively less than 2 wt.% of suspended solids, alternatively less than 1 wt.% of suspended solids, alternatively less than 0.5 wt.% of suspended solids, or free of suspended solids.
Suspended solids are distinguishable from dissolved solids that are characteristic of some perfume materials.
It is contemplated that the fluid composition may comprise other volatile materials in addition to or in substitution for the perfume mixture including, but not limited to, volatile dyes; compositions that function as insecticides; essential oils or materials that acts to condition, modify, or otherwise modify the environment (e.g. to assist with sleep, wake, respiratory health, and like conditions);
deodorants or malodor control compositions (e.g. odor neutralizing materials such as reactive aldehydes (as disclosed in U.S. 2005/0124512), odor blocking materials, odor masking materials, or sensory modifying materials such as ionones (also disclosed in U.S.
2005/0124512)).
Perfume Mixture The fluid composition may comprise a perfume mixture present in an amount greater than about 50%, by weight of the fluid composition, alternatively greater than about 60%, alternatively greater than about 70%, alternatively greater than about 75%, alternatively greater than about 80%, alternatively from about 50% to about 100%, alternatively from about 60% to about 100%, alternatively from about 70% to about 100%, alternatively from about 80% to about 100%, alternatively from about 90% to about 100%.
Viscosity is reported in cps, as determined using an Anton Paar Kinematic SVM 3000 series Viscometer or equivalent measurement device capable of accurately measuring expected viscosity range of fluid at room temperature. This may also be a combination of instruments such as a Bohlin CVO Rheometer System in conjunction with a high sensitivity double gap geometry.
The fluid composition may be substantially free of suspended solids or solid particles existing in a mixture wherein particulate matter is dispersed within a liquid matrix. The fluid composition may have less than 20 wt.% of suspended solids, alternatively less than 15 wt.% of suspended solids, alternatively less than 10 wt.% of suspends, alternatively less than 5 wt.% of suspended solids, alternatively less than 4 wt.% of suspended solids, alternatively less than 3 wt.% of suspended solids, alternatively less than 2 wt.% of suspended solids, alternatively less than 1 wt.% of suspended solids, alternatively less than 0.5 wt.% of suspended solids, or free of suspended solids.
Suspended solids are distinguishable from dissolved solids that are characteristic of some perfume materials.
It is contemplated that the fluid composition may comprise other volatile materials in addition to or in substitution for the perfume mixture including, but not limited to, volatile dyes; compositions that function as insecticides; essential oils or materials that acts to condition, modify, or otherwise modify the environment (e.g. to assist with sleep, wake, respiratory health, and like conditions);
deodorants or malodor control compositions (e.g. odor neutralizing materials such as reactive aldehydes (as disclosed in U.S. 2005/0124512), odor blocking materials, odor masking materials, or sensory modifying materials such as ionones (also disclosed in U.S.
2005/0124512)).
Perfume Mixture The fluid composition may comprise a perfume mixture present in an amount greater than about 50%, by weight of the fluid composition, alternatively greater than about 60%, alternatively greater than about 70%, alternatively greater than about 75%, alternatively greater than about 80%, alternatively from about 50% to about 100%, alternatively from about 60% to about 100%, alternatively from about 70% to about 100%, alternatively from about 80% to about 100%, alternatively from about 90% to about 100%.
7 The perfume mixture may contain one or more perfume raw materials. The raw perfume materials may be selected based on the material's boiling point ("B.P."). The B.P.
referred to herein is the boiling point under normal standard pressure of 760 mm Hg. The B.P. of many perfume ingredients, at standard 760 mm Hg can be found in "Perfume and Flavor Chemicals (Aroma Chemicals)," written and published by Steffen Arctander, 1969. Where the experimentally measured boiling point of individual components is not available, the value may be estimated by the boiling point PhysChem model available from ACD/Labs (Toronto, Ontario, Canada).
The perfume mixture may have a mole-weighted average log of the octanol-water partitioning coefficient ("ClogP") of less than about 3.5, alternatively less than about 2.9, alternatively less than about 2.5, alternatively less than about 2Ø Where the experimentally measured logP of individual components is not available, the value may be estimated by the boiling point PhysChem model available from ACD/Labs (Toronto, Ontario, Canada).
It may be useful to optimize the fluid composition and/or perfume mixture of the fluid composition for critical pressure and critical temperature. The critical pressure may be optimized for bubble-formation energetics and critical temperature for kogation propensity.
The perfume mixture may have a mol-weighted average B.P. of less than 250 C, alternatively less than 225 C, alternatively less than 200 C, alternatively less than about 150 C, or alternatively about 150 C to about 250 C.
Alternatively, about 3 wt.% to about 25 wt.% of the perfume mixture may have a mol-weighted average B.P. of less than 200 C, alternatively about 5 wt.% to about 25 wt.%
of the perfume mixture has a mol-weighted average B.P. of less than 200 C.
For purposes of the present disclosure, the perfume mixture boiling point is determined by the mole-weighted average boiling point of the individual perfume raw materials making up said perfume mixture. Where the boiling point of the individual perfume materials is not known from published experimental data, it is determined by the boiling point PhysChem model available from ACD/Labs.
Table 1 lists some non-limiting, exemplary individual perfume materials suitable for the perfume mixture.
Table 1 CAS Number Perfume Raw Material Name B.P.( C)
referred to herein is the boiling point under normal standard pressure of 760 mm Hg. The B.P. of many perfume ingredients, at standard 760 mm Hg can be found in "Perfume and Flavor Chemicals (Aroma Chemicals)," written and published by Steffen Arctander, 1969. Where the experimentally measured boiling point of individual components is not available, the value may be estimated by the boiling point PhysChem model available from ACD/Labs (Toronto, Ontario, Canada).
The perfume mixture may have a mole-weighted average log of the octanol-water partitioning coefficient ("ClogP") of less than about 3.5, alternatively less than about 2.9, alternatively less than about 2.5, alternatively less than about 2Ø Where the experimentally measured logP of individual components is not available, the value may be estimated by the boiling point PhysChem model available from ACD/Labs (Toronto, Ontario, Canada).
It may be useful to optimize the fluid composition and/or perfume mixture of the fluid composition for critical pressure and critical temperature. The critical pressure may be optimized for bubble-formation energetics and critical temperature for kogation propensity.
The perfume mixture may have a mol-weighted average B.P. of less than 250 C, alternatively less than 225 C, alternatively less than 200 C, alternatively less than about 150 C, or alternatively about 150 C to about 250 C.
Alternatively, about 3 wt.% to about 25 wt.% of the perfume mixture may have a mol-weighted average B.P. of less than 200 C, alternatively about 5 wt.% to about 25 wt.%
of the perfume mixture has a mol-weighted average B.P. of less than 200 C.
For purposes of the present disclosure, the perfume mixture boiling point is determined by the mole-weighted average boiling point of the individual perfume raw materials making up said perfume mixture. Where the boiling point of the individual perfume materials is not known from published experimental data, it is determined by the boiling point PhysChem model available from ACD/Labs.
Table 1 lists some non-limiting, exemplary individual perfume materials suitable for the perfume mixture.
Table 1 CAS Number Perfume Raw Material Name B.P.( C)
8 105-37-3 Ethyl propionate 99 110-19-0 Isobutyl acetate 116 928-96-1 Beta gamma hexenol 157 80-56-8 Alpha Pinene 157 127-91-3 Beta Pinene 166 1708-82-3 cis-hexenyl acetate 169 124-13-0 Octanal 170 40-82-6 Eucalyptol 175 141-78-6 Ethyl acetate 77 Table 2 shows an exemplary perfume mixture having a total molar weighted average B.P. ("mol-weighted average boiling point") less than 200 C. In calculating the mole-weighted average boiling point, the boiling point of perfume raw materials that may be difficult to determine, may be neglected if they comprise less than 15% by weight of the total perfume mixture, as exemplified in Table 2.
Table 2 CAS Number Perfume Raw Material Wt. % Molecular Mol%
B.P.
Name Weight ( C) 123-68-2 Allyl Caproate 2.50 156.2 2.6 140-11-4 Benzyl Acetate 3.00 150.2 3.3 928-96-1 Beta Gamma Hexenol 9.00 100.2 14.8 18479-58-8 Dihydro Myrcenol 5.00 156.3 5.3 39255-32-8 Ethyl 2 Methyl Pentanoate 9.00 144.2 10.3 77-83-8 Ethyl Methyl Phenyl 2.00 206.2 Glycidate 1.6 7452-79-1 Ethyl-2-Methyl Butyrate 8.00 130.2 10.1 142-92-7 Hexyl Acetate 12.50 144.2 14.3 68514-75-0 Orange Phase Oil 25X1.18%- 10.00 mixture Low Cit. 14638 neglected 93-58-3 Methyl Benzoate 0.50 136.1 0.6 104-93-8 Para Cresyl Methyl Ether 0.20 122.2 0.3 1191-16-8 Prenyl Acetate 8.00 128.2 10.3 88-41-5 Verdox 3.00 198.3 2.5 58430-94-7 Iso Nonyl Acetate 27.30 186.3 24.1 TOTAL: 100.00 100.0 Mol-weighted average B.P.
176.4 Solubilizing Materials The compositions of the present invention may contain one or more solubilizing materials that are liquid at 20 C, where the solubilizing materials have a Hansen hydrogen-bonding parameter of greater than 9; a Hansen polarity parameter of greater than 5; and a vapor pressure of less than 267 Pa, measured at 25 C. Without wishing to be bound by theory, it is believed that the solubilizing materials regulate evaporation of any fluid composition deposited on the surface of the thermally-
Table 2 CAS Number Perfume Raw Material Wt. % Molecular Mol%
B.P.
Name Weight ( C) 123-68-2 Allyl Caproate 2.50 156.2 2.6 140-11-4 Benzyl Acetate 3.00 150.2 3.3 928-96-1 Beta Gamma Hexenol 9.00 100.2 14.8 18479-58-8 Dihydro Myrcenol 5.00 156.3 5.3 39255-32-8 Ethyl 2 Methyl Pentanoate 9.00 144.2 10.3 77-83-8 Ethyl Methyl Phenyl 2.00 206.2 Glycidate 1.6 7452-79-1 Ethyl-2-Methyl Butyrate 8.00 130.2 10.1 142-92-7 Hexyl Acetate 12.50 144.2 14.3 68514-75-0 Orange Phase Oil 25X1.18%- 10.00 mixture Low Cit. 14638 neglected 93-58-3 Methyl Benzoate 0.50 136.1 0.6 104-93-8 Para Cresyl Methyl Ether 0.20 122.2 0.3 1191-16-8 Prenyl Acetate 8.00 128.2 10.3 88-41-5 Verdox 3.00 198.3 2.5 58430-94-7 Iso Nonyl Acetate 27.30 186.3 24.1 TOTAL: 100.00 100.0 Mol-weighted average B.P.
176.4 Solubilizing Materials The compositions of the present invention may contain one or more solubilizing materials that are liquid at 20 C, where the solubilizing materials have a Hansen hydrogen-bonding parameter of greater than 9; a Hansen polarity parameter of greater than 5; and a vapor pressure of less than 267 Pa, measured at 25 C. Without wishing to be bound by theory, it is believed that the solubilizing materials regulate evaporation of any fluid composition deposited on the surface of the thermally-
9 activated microfluidic die, thus limiting the mass transfer rate of liquid and transition of unstable materials in fluid to solid and preventing gel formation or solidification and blocking of the nozzles.
In the context of the present disclosure, the Hansen solubility parameter is defined as the square root of the cohesive energy density delta = (E/V)1/2, where V is the molar volume and E is the energy of vaporization. The basis of the Hansen solubility parameter (HSP) is that the total energy of vaporization of a liquid consists of several individual parts. Hansen has defined three types of contributions to the energy of vaporization, namely: dispersive (6d), polar (6p), and hydrogen bonding (6n). Each parameter, 6d, 6p, and 6n, is generally measured in MPa".
The hydrogen-bonding Hansen Solubility Parameter is based upon the hydrogen bonding cohesive energy contribution to the energy of vaporization. The polar Hansen Solubility Parameter is based upon the polar cohesive energy contribution to the energy of vaporization. The hydrogen-bonding Hansen Solubility Parameter and the polar Hansen Solubility Parameter can either be calculated or predicted using the HSPiP Software, available at the following web address https://www.hansen-solubility.com/HSPiP/. The Sphere algorithm is as described in Hansen, C. M., Hansen Solubility Parameters: A User 's Handbook, CRC Press, Boca Raton FL, 2007. The Y-MB
methodology was developed by Dr Hiroshi Yamamoto of Asahi Glass Corporation.
The HSPiP Software relies on a database with a limited number of materials. If HSPiP database does not have the material of interest, the following equations can be used to calculate the Hansen solubility parameters:
Ra2 = 4(6D1-6D2)2 + 1-6P2)2 + (6111-6H2)2 RED = Ra/RO
More information on the calculations can be found at https://www.hansen-solubility.com/HSP-science/basics.php.
The compositions of the present invention may comprise or consist essentially of greater than 1 wt. %, or greater than 5 wt. %, or greater than 8 wt. %, or greater than 10 wt. %, or greater than 12 wt. %, or greater than 15 wt. %, or greater than 18 wt. %, or greater than 20 wt. % of a solubilizer having a Hansen hydrogen-bonding parameter of greater than 9 MPa", a Hansen polarity parameter of greater than 5 MPa", and a vapor pressure of less than 267 Pascals (Pa) measured at 25 C. The Hansen hydrogen-bonding parameter may be greater than 9 MPa", or greater than 10 MPa", or greater than 12 MPa", or greater than 15 MPa". The Hansen polarity parameter may be greater than 5 MPa", or greater than 6 MPa", or greater than 7 MPa", or greater than 8 MPa".
The vapor pressure may be less than 267 Pa, preferably less than 137 Pa, preferably less than 67 Pa, preferably less than 34 Pa, more preferably less than 14 Pa, and more preferably less than 1.5 Pa, measured at 25 C.
5 A solubilizer having a Hansen hydrogen-bonding parameter of greater than 9 MPa", a Hansen polarity parameter of greater than 5 MPO-5, and a vapor pressure of less than 267 Pa measured at 25 C, may be selected from the group consisting of: 3-hydroxybutan-2-one (Acetyl Methyl Carbinol, CAS No. 513-86-0); 1-hydroxypropan-2-one (ACETOL, CAS No.116-09-6);
N,N-Dimethylacetamide (CAS No. 127-19-5); 3-hydroxypentan-2-one (acetyl ethyl carbinol, CAS No.
In the context of the present disclosure, the Hansen solubility parameter is defined as the square root of the cohesive energy density delta = (E/V)1/2, where V is the molar volume and E is the energy of vaporization. The basis of the Hansen solubility parameter (HSP) is that the total energy of vaporization of a liquid consists of several individual parts. Hansen has defined three types of contributions to the energy of vaporization, namely: dispersive (6d), polar (6p), and hydrogen bonding (6n). Each parameter, 6d, 6p, and 6n, is generally measured in MPa".
The hydrogen-bonding Hansen Solubility Parameter is based upon the hydrogen bonding cohesive energy contribution to the energy of vaporization. The polar Hansen Solubility Parameter is based upon the polar cohesive energy contribution to the energy of vaporization. The hydrogen-bonding Hansen Solubility Parameter and the polar Hansen Solubility Parameter can either be calculated or predicted using the HSPiP Software, available at the following web address https://www.hansen-solubility.com/HSPiP/. The Sphere algorithm is as described in Hansen, C. M., Hansen Solubility Parameters: A User 's Handbook, CRC Press, Boca Raton FL, 2007. The Y-MB
methodology was developed by Dr Hiroshi Yamamoto of Asahi Glass Corporation.
The HSPiP Software relies on a database with a limited number of materials. If HSPiP database does not have the material of interest, the following equations can be used to calculate the Hansen solubility parameters:
Ra2 = 4(6D1-6D2)2 + 1-6P2)2 + (6111-6H2)2 RED = Ra/RO
More information on the calculations can be found at https://www.hansen-solubility.com/HSP-science/basics.php.
The compositions of the present invention may comprise or consist essentially of greater than 1 wt. %, or greater than 5 wt. %, or greater than 8 wt. %, or greater than 10 wt. %, or greater than 12 wt. %, or greater than 15 wt. %, or greater than 18 wt. %, or greater than 20 wt. % of a solubilizer having a Hansen hydrogen-bonding parameter of greater than 9 MPa", a Hansen polarity parameter of greater than 5 MPa", and a vapor pressure of less than 267 Pascals (Pa) measured at 25 C. The Hansen hydrogen-bonding parameter may be greater than 9 MPa", or greater than 10 MPa", or greater than 12 MPa", or greater than 15 MPa". The Hansen polarity parameter may be greater than 5 MPa", or greater than 6 MPa", or greater than 7 MPa", or greater than 8 MPa".
The vapor pressure may be less than 267 Pa, preferably less than 137 Pa, preferably less than 67 Pa, preferably less than 34 Pa, more preferably less than 14 Pa, and more preferably less than 1.5 Pa, measured at 25 C.
5 A solubilizer having a Hansen hydrogen-bonding parameter of greater than 9 MPa", a Hansen polarity parameter of greater than 5 MPO-5, and a vapor pressure of less than 267 Pa measured at 25 C, may be selected from the group consisting of: 3-hydroxybutan-2-one (Acetyl Methyl Carbinol, CAS No. 513-86-0); 1-hydroxypropan-2-one (ACETOL, CAS No.116-09-6);
N,N-Dimethylacetamide (CAS No. 127-19-5); 3-hydroxypentan-2-one (acetyl ethyl carbinol, CAS No.
10 3142-66-3); isobutyric acid (Isobutyric acid, >99%, FCC, CAS No. 79-31-2); 5-HEXENOL (CAS
No. 821-41-0); 4-m ethylp entan-l-ol (4-METHYL-1-PENTANOL, CAS No. 626-89-1);
ethyl 2-hydroxypropanoate (Ethyl Lactate, CAS No. 97-64-3); dimethyl malonate (CAS No.
108-59-8);
(E)-hex-3-en-1-ol (3 -hexen-l-ol, CAS No. 544-12-7); (E)-hex-3-en-1-ol (tan s-3 -HEXEN-1-0L, CAS No. 928-97-2); heptan-3-ol (3-Heptanol, >98%, CAS No. 589-82-2); 2-mercaptoethan- 1 -ol (2-HYDROXYETHANETHIOL, CAS No. 60-24-2) furan-2-ylmethanol (FURFURYL
ALCOHOL, CAS No. 98-00-0); 2-oxopropanoic acid (PYRUVIC ACID BRI, CAS No. 127-3); 1,5diaminopentane (CAS No. 462-94-2); hexan-l-ol (Hexanol, CAS No. 111-27-3); (E)-hex-4-en-1-ol (TRANS-4-HEXENOL, CAS No. 6126-50-7); heptan-2-ol (2-Heptanol, >97%, CAS No.
543-49-7); (E)-hex-2-en-1-ol (TRANS-2-HEXENOL, CAS No. 2305-21-7); (Z)-hex-2-en-1-ol (cis-2-HEXEN-1-0L, CAS No. 928-94-9); 1-AMINO-2-PROPANOL (CAS No. 78-96-6);
methyl furan-2-carboxylate (METHYL 2-FUROATE, CAS No. 611-13-2); 1-hydroxybutan-2-one (1-HYDROXY-2-BUTANONE, CAS No. 5077-67-8); 3 -(m ethylthi o)hexan-l-ol (3 -Methylthio)-1-hexanol, >97%, CAS No. 51755-66-9); Methyl sulfoxide, >99% (CAS
No. 67-68-5); 3-mercaptobutan-2-ol (2-Mercapto-3-butanol, mixture of isomers, >97%, FG, CAS No.37887-04-0); 3-methyl-2-oxobutanoic acid (dimethyl pyruvic acid, CAS No. 759-05-7);
3-methoxy-3-methylbutan-1-ol (3 -Methoxy-3 -Methyl -1-Butanol, CAS No. 56539-66-3); (5 -methylfuran-2-yl)methanol (5-methyl furfuryl alcohol, CAS No. 3857-25-8); 2,4- Dimethy1-2-pentenoic acid (CAS No. 21016-46-6); 2-methylbutanoic acid (METHYL-2-BUTYRIC ACID NAT, CAS
No.
116-53-0); 2-butoxy ethan-l-ol (2-Butoxy ethanol, CAS No. 111-76-2); 4-hy droxy-4-methylpentan-2-one (4-Hydroxy-4-methyl-2-pentanone, CAS No. 123-42-2); ethyl 2-hydroxy-2-methylbutanoate (ethyl 2-hydroxy-2-methyl butyrate, CAS No. 77-70-3); 2-(methylthio)ethan- 1-ol (2-(METHYLTHIO)ETHANOL, CAS No. 5271-38-5); 2-oxobutanoic acid (2-0xobutyric acid, >97%, 600-18-0); 3-METHYLCYCLOHEXANOL (CAS No. 591-23-1); 2-METHYLC YCLOHEXANOL (CAS No. 583-59-5); 3 -(ethylthi o)prop an-l-ol (3-
No. 821-41-0); 4-m ethylp entan-l-ol (4-METHYL-1-PENTANOL, CAS No. 626-89-1);
ethyl 2-hydroxypropanoate (Ethyl Lactate, CAS No. 97-64-3); dimethyl malonate (CAS No.
108-59-8);
(E)-hex-3-en-1-ol (3 -hexen-l-ol, CAS No. 544-12-7); (E)-hex-3-en-1-ol (tan s-3 -HEXEN-1-0L, CAS No. 928-97-2); heptan-3-ol (3-Heptanol, >98%, CAS No. 589-82-2); 2-mercaptoethan- 1 -ol (2-HYDROXYETHANETHIOL, CAS No. 60-24-2) furan-2-ylmethanol (FURFURYL
ALCOHOL, CAS No. 98-00-0); 2-oxopropanoic acid (PYRUVIC ACID BRI, CAS No. 127-3); 1,5diaminopentane (CAS No. 462-94-2); hexan-l-ol (Hexanol, CAS No. 111-27-3); (E)-hex-4-en-1-ol (TRANS-4-HEXENOL, CAS No. 6126-50-7); heptan-2-ol (2-Heptanol, >97%, CAS No.
543-49-7); (E)-hex-2-en-1-ol (TRANS-2-HEXENOL, CAS No. 2305-21-7); (Z)-hex-2-en-1-ol (cis-2-HEXEN-1-0L, CAS No. 928-94-9); 1-AMINO-2-PROPANOL (CAS No. 78-96-6);
methyl furan-2-carboxylate (METHYL 2-FUROATE, CAS No. 611-13-2); 1-hydroxybutan-2-one (1-HYDROXY-2-BUTANONE, CAS No. 5077-67-8); 3 -(m ethylthi o)hexan-l-ol (3 -Methylthio)-1-hexanol, >97%, CAS No. 51755-66-9); Methyl sulfoxide, >99% (CAS
No. 67-68-5); 3-mercaptobutan-2-ol (2-Mercapto-3-butanol, mixture of isomers, >97%, FG, CAS No.37887-04-0); 3-methyl-2-oxobutanoic acid (dimethyl pyruvic acid, CAS No. 759-05-7);
3-methoxy-3-methylbutan-1-ol (3 -Methoxy-3 -Methyl -1-Butanol, CAS No. 56539-66-3); (5 -methylfuran-2-yl)methanol (5-methyl furfuryl alcohol, CAS No. 3857-25-8); 2,4- Dimethy1-2-pentenoic acid (CAS No. 21016-46-6); 2-methylbutanoic acid (METHYL-2-BUTYRIC ACID NAT, CAS
No.
116-53-0); 2-butoxy ethan-l-ol (2-Butoxy ethanol, CAS No. 111-76-2); 4-hy droxy-4-methylpentan-2-one (4-Hydroxy-4-methyl-2-pentanone, CAS No. 123-42-2); ethyl 2-hydroxy-2-methylbutanoate (ethyl 2-hydroxy-2-methyl butyrate, CAS No. 77-70-3); 2-(methylthio)ethan- 1-ol (2-(METHYLTHIO)ETHANOL, CAS No. 5271-38-5); 2-oxobutanoic acid (2-0xobutyric acid, >97%, 600-18-0); 3-METHYLCYCLOHEXANOL (CAS No. 591-23-1); 2-METHYLC YCLOHEXANOL (CAS No. 583-59-5); 3 -(ethylthi o)prop an-l-ol (3-
11 Ethylthiopropanol, CAS No. 18721-61-4); propyl 2-hydroxypropanoate (PROPYL
LACTATE, CAS No. 616-09-1); (E)-hept-4-en-1-ol (ci s-4-HEPTEN-1-0L, CAS No. 6191-71-5);
thiophene-2-carbaldehyde (2-THIOPHENECARBOXALDEHYDE, CAS No. 98-03-3); ethyl 3-hydroxybutanoate (Ethyl-3-Hydroxy Butyrate, CAS No. 5405-41-4); 2-hydroxybenzaldehyde (Salicylaldehyde, >98%, CAS No. 90-02-8); (tetrahydrofuran-2-yl)methanol (Tetrahydrofurfuryl alcohol, >98%, CAS No. 97-99-4); heptan-l-ol (Heptyl alcohol, >97%, FCC, CAS
No. 111-70-6);
(2E,4Z)-hexa-2,4-dien- 1 -ol (2,4-HEXADIEN-1-0L (SORBIC ALCOHOL), CAS No.111-28-4);
(2E,4Z)-hexa-2,4-di en-l-ol (trans,trans-2,4-Hexadien-1-ol, >97%, CAS No.
17102-64-6); furan-2(5H)-one (2(5H)-furanone, CAS No. 497-23-4); 2,3-BUTANEDIOL (CAS No. 513-85-9);
methyl 2-hydroxy-4-methylpentanoate (methyl 2-hydroxy-4-methyl valerate, CAS
No. 40348-72-9); 2-(ethylthio)ethan-1-ol (ethyl 2-hydroxyethyl sulfide, CAS No. 110-77-0);
propane-1,2-diol (1,2 PROPYLENE GLYCOL, CAS No. 57-55-6); propane-1,2-diol (PROPYLENE GLYCOL, CAS No. 57-55-6); formamide (CAS No. 75-12-7); 2-ethylbutanoic acid (2-Ethylbutyric acid, >98%, FCC, CAS No. 88-09-5); 2-methylpentanoic acid (2-METHYL PENANOIC ACID
FCC, CAS No. 97-61-0); 2-methoxyphenol (Guaiacol, natural, >98%, FG, CAS No. 90-05-1); (S)-3-(ethylthio)butan-1-ol (3 -(ethyl thio) butanol, CAS No. 117013-33-9); (S)-3-hydroxyoctan-2-one (3 -hy droxy-2-octanone, CAS No. 37160-77-3);
1-(thiophen-2-yl)ethan-1-one (2-ACETYLTHIOPHENE, CAS No. 88-15-3); 4-(m ethylthi o)butan-l-ol (4-Methylthiobutanol, CAS
No. 20582-85-8); 2-(methylthio)phenol (0-(METHYLTHIO)PHENOL, CAS No. 1073-29-6);
phenylmethanol (BENZYL ALCOHOL, CAS No. 100-51-6); 3-(methylthio)propan-1-ol (3-(Methylthio)-1-propanol, >98%, FG, CAS No. 505-10-2); butyl 2-hydroxypropanoate (Butyl (S)-(¨)-lactate, >97%, CAS No. 34451-19-9); butyl 2-hydroxypropanoate (BUTYL
LACTATE, CAS
No.
138-22-7); 3 -m ercapto-3 -m ethylbutan-l-ol (3 -MERCAP T 0-3 -METHYL-1-BUTANOL, CAS No. 34300-94-2); 3-methylpentanoic acid (3-METHYL PENTANOIC ACID, CAS No.
43-1); butyramide (BUTYRAMIDE, CAS No. 541-35-5); (E)-2-methylpent-3-enoic acid (2-METHYL-3 -PENTENOIC ACID, CAS No. 37674-63-8); 1-phenyl ethan-l-ol (a-Methylbenzyl alcohol, >99%, FCC, CAS No. 98-85-1); 2,4-dimethylphenol (CAS No.
105-67-9);
1-(2,4-dimethy1-1,3-dioxolan-2-yl)ethan-1-ol (acetoin propylene glycol acetal, CAS No. 94089-23-3); 2-mercapto-2-methylpentan-1-ol (Tropicol 0.1% IPM, CAS No. 258823-39-1); 2-(2-methoxyethoxy)ethan-l-ol (METHYL CARBITOL, CAS No. 111-77-3); octan-l-ol (OCTYL
ALCOHOL, CAS No. 111-87-5); Ethyl ( )-2-hydroxycaproate, >97% (CAS No. 52089-55-1);
(E)-pent-2-enoic acid (2-PENTENOIC ACID, CAS No. 13991-37-2); 2-mercaptopropanoic acid (2-Mercaptopropionic acid, >95%, CAS No. 79-42-5); ethyl (2R,35)-2-hydroxy-3-m ethyl p entanoate ((+/-)-ETHYL-2-HYDROXY-3-METHYLVALERATE , CAS No. 24323-38-
LACTATE, CAS No. 616-09-1); (E)-hept-4-en-1-ol (ci s-4-HEPTEN-1-0L, CAS No. 6191-71-5);
thiophene-2-carbaldehyde (2-THIOPHENECARBOXALDEHYDE, CAS No. 98-03-3); ethyl 3-hydroxybutanoate (Ethyl-3-Hydroxy Butyrate, CAS No. 5405-41-4); 2-hydroxybenzaldehyde (Salicylaldehyde, >98%, CAS No. 90-02-8); (tetrahydrofuran-2-yl)methanol (Tetrahydrofurfuryl alcohol, >98%, CAS No. 97-99-4); heptan-l-ol (Heptyl alcohol, >97%, FCC, CAS
No. 111-70-6);
(2E,4Z)-hexa-2,4-dien- 1 -ol (2,4-HEXADIEN-1-0L (SORBIC ALCOHOL), CAS No.111-28-4);
(2E,4Z)-hexa-2,4-di en-l-ol (trans,trans-2,4-Hexadien-1-ol, >97%, CAS No.
17102-64-6); furan-2(5H)-one (2(5H)-furanone, CAS No. 497-23-4); 2,3-BUTANEDIOL (CAS No. 513-85-9);
methyl 2-hydroxy-4-methylpentanoate (methyl 2-hydroxy-4-methyl valerate, CAS
No. 40348-72-9); 2-(ethylthio)ethan-1-ol (ethyl 2-hydroxyethyl sulfide, CAS No. 110-77-0);
propane-1,2-diol (1,2 PROPYLENE GLYCOL, CAS No. 57-55-6); propane-1,2-diol (PROPYLENE GLYCOL, CAS No. 57-55-6); formamide (CAS No. 75-12-7); 2-ethylbutanoic acid (2-Ethylbutyric acid, >98%, FCC, CAS No. 88-09-5); 2-methylpentanoic acid (2-METHYL PENANOIC ACID
FCC, CAS No. 97-61-0); 2-methoxyphenol (Guaiacol, natural, >98%, FG, CAS No. 90-05-1); (S)-3-(ethylthio)butan-1-ol (3 -(ethyl thio) butanol, CAS No. 117013-33-9); (S)-3-hydroxyoctan-2-one (3 -hy droxy-2-octanone, CAS No. 37160-77-3);
1-(thiophen-2-yl)ethan-1-one (2-ACETYLTHIOPHENE, CAS No. 88-15-3); 4-(m ethylthi o)butan-l-ol (4-Methylthiobutanol, CAS
No. 20582-85-8); 2-(methylthio)phenol (0-(METHYLTHIO)PHENOL, CAS No. 1073-29-6);
phenylmethanol (BENZYL ALCOHOL, CAS No. 100-51-6); 3-(methylthio)propan-1-ol (3-(Methylthio)-1-propanol, >98%, FG, CAS No. 505-10-2); butyl 2-hydroxypropanoate (Butyl (S)-(¨)-lactate, >97%, CAS No. 34451-19-9); butyl 2-hydroxypropanoate (BUTYL
LACTATE, CAS
No.
138-22-7); 3 -m ercapto-3 -m ethylbutan-l-ol (3 -MERCAP T 0-3 -METHYL-1-BUTANOL, CAS No. 34300-94-2); 3-methylpentanoic acid (3-METHYL PENTANOIC ACID, CAS No.
43-1); butyramide (BUTYRAMIDE, CAS No. 541-35-5); (E)-2-methylpent-3-enoic acid (2-METHYL-3 -PENTENOIC ACID, CAS No. 37674-63-8); 1-phenyl ethan-l-ol (a-Methylbenzyl alcohol, >99%, FCC, CAS No. 98-85-1); 2,4-dimethylphenol (CAS No.
105-67-9);
1-(2,4-dimethy1-1,3-dioxolan-2-yl)ethan-1-ol (acetoin propylene glycol acetal, CAS No. 94089-23-3); 2-mercapto-2-methylpentan-1-ol (Tropicol 0.1% IPM, CAS No. 258823-39-1); 2-(2-methoxyethoxy)ethan-l-ol (METHYL CARBITOL, CAS No. 111-77-3); octan-l-ol (OCTYL
ALCOHOL, CAS No. 111-87-5); Ethyl ( )-2-hydroxycaproate, >97% (CAS No. 52089-55-1);
(E)-pent-2-enoic acid (2-PENTENOIC ACID, CAS No. 13991-37-2); 2-mercaptopropanoic acid (2-Mercaptopropionic acid, >95%, CAS No. 79-42-5); ethyl (2R,35)-2-hydroxy-3-m ethyl p entanoate ((+/-)-ETHYL-2-HYDROXY-3-METHYLVALERATE , CAS No. 24323-38-
12 4); 2-methylpentane-2,4-diol (HEXYLENE GLYCOL, CAS No. 107-41-5); (S)-4-mercapto-4-m ethyl p entan-2-ol (4-mercapto-4-methyl-2-pentanol, CAS No. 31539-84-1); 1-(p-tolyl)ethan-1-01 (a,p-DIMETHYLBENZYL ALCOHOL, CAS No. 536-50-5); (E)-hex-3-enoic acid (trans-3-Hexenoic acid, >98%, CAS No. 1577-18-0); (Z)-hex-3-enoic acid (cis-3-HEXENOIC
ACID BRI
(NATURAL), CAS No. 1775-43-5); 2-methoxy-4-methylphenol (2-Methoxy-4-methylphenol, >98%, FG, CAS No. 93-51-6); 2-(2-ethoxyethoxy)ethan-1-ol (DIETHYLENE GLYCOL
MONO
ETHYLETHER, CAS No. 111-90-0); isopentyl 2-hydroxypropanoate (ISOAMYL LACTATE, CAS No. 19329-89-6); methyl 2-hydroxybenzoate (METHYL SALICYLATE USP, CAS
No.119-36-8); 1-(2-methoxypropoxy)propan-2-ol (DIPROPYLENE GLYCOL METHYL ETHER, CAS
No. 34590-94-8); heptanoic acid (heptanoic acid, CAS No. 111-14-8); DIMETHYL
SULFONE( CAS No. 67-71-0); (Z)-2-methylpent-2-enoic acid (Strawberiff, CAS No. 3142-72-1); (E)-4-methylpent-2-enoic acid (4-METHYL-2-PENTENOIC ACID, CAS No. 10321-71-8); 2,4-DIMETHYL-2-PENTENOIC ACID (CAS No. 66634-97-7); 2-(ethoxymethyl)phenol (alpha-ethoxy-ortho-cresol, CAS No. 20920-83-6); 3-mercaptopropanoic acid (3-MERCAPTOPROPIONIC ACID, CAS No. 107-96-0); ethyl 2-hydroxybenzoate (ETHYL
SALICYLATE, CAS No. 118-61-6); mercaptoacetic acid (CAS No. 68-11-1); 2-Pyrrolidone (CAS
No. 616-45-5); 3-phenylpropan-1-ol (PHENYL PROPYL ALCOHOL, CAS No. 122-97-4);
hexyl 2-hydroxypropanoate (HEXYL LACTATE, CAS No. 20279-51-0); 1-(2-aminophenyl)ethan-1-one (2-AMINOACETOPHENONE, CAS No. 551-93-9); methyl 3-hydroxyhexanoate (Methyl 3-hydroxyhexanoate, >97%, FG, CAS No. 21188-58-9); 3-methoxyphenol (3-METHOXYPHENOL, CAS No. 150-19-6); 2-methoxy-4-vinylphenol (2-Methoxy-4-vinylphenol, >98%, CAS No. 7786-61-0); 4-ethyl-2-methoxyphenol (4-Ethylguaiacol, >98%, FCC, FG, CAS No. 2785-89-9); 2-(o-tolyl)ethan-1-ol (Peomosa, CAS No.
19819-98-8); 2-(m-tolyl)ethan- 1 -ol (3-Methylphenethyl alcohol, CAS No. 1875-89-4); 3-(hydroxymethyl)heptan-2-one (3-octanon-1-ol, CAS No. 65405-68-7); 2-phenoxyethan-1-ol (2-PHENOXYETHANOL, CAS No. 122-99-6); lactic acid (CAS No. 50-21-5); 2-ally1-6-methoxyphenol (ortho-eugenol, CAS No. 579-60-2); 5-ethy1-4-hydroxy-2-methylfuran-3(2H)-one (2-Ethyl-4-hydroxy-5-methyl-3(2H)furanone, 20% in PG, CAS No. 27538-09-6); 2-ethy1-4-hydroxy-5-methylfuran-3(2H)-one (Homofuranol Pure 100% neat, CAS No. 27538-09-6); (Z)-oct-5-enoic acid ((Z)-5-octenoic acid, CAS No. 41653-97-8); 4-oxopentanoic acid (Levulinic acid, >97%, FG, CAS No. 123-76-2); 4-ally1-2-methoxyphenol (EUGENOL, CAS No. 97-53-0); 3-(methylthio)propanoic acid (3-METHYLTHIOPROPIONIC ACID, CAS No. 646-01-5); (4-methoxyphenyl)methanol (Anisyl Alcohol, CAS No. 105-13-5); 3-hydroxypropane-1,2-diy1 diacetate (Diacetin, CAS No. 25395-31-7); 2-methoxy-4-propylphenol (DIHYDRO
EUGENOL,
ACID BRI
(NATURAL), CAS No. 1775-43-5); 2-methoxy-4-methylphenol (2-Methoxy-4-methylphenol, >98%, FG, CAS No. 93-51-6); 2-(2-ethoxyethoxy)ethan-1-ol (DIETHYLENE GLYCOL
MONO
ETHYLETHER, CAS No. 111-90-0); isopentyl 2-hydroxypropanoate (ISOAMYL LACTATE, CAS No. 19329-89-6); methyl 2-hydroxybenzoate (METHYL SALICYLATE USP, CAS
No.119-36-8); 1-(2-methoxypropoxy)propan-2-ol (DIPROPYLENE GLYCOL METHYL ETHER, CAS
No. 34590-94-8); heptanoic acid (heptanoic acid, CAS No. 111-14-8); DIMETHYL
SULFONE( CAS No. 67-71-0); (Z)-2-methylpent-2-enoic acid (Strawberiff, CAS No. 3142-72-1); (E)-4-methylpent-2-enoic acid (4-METHYL-2-PENTENOIC ACID, CAS No. 10321-71-8); 2,4-DIMETHYL-2-PENTENOIC ACID (CAS No. 66634-97-7); 2-(ethoxymethyl)phenol (alpha-ethoxy-ortho-cresol, CAS No. 20920-83-6); 3-mercaptopropanoic acid (3-MERCAPTOPROPIONIC ACID, CAS No. 107-96-0); ethyl 2-hydroxybenzoate (ETHYL
SALICYLATE, CAS No. 118-61-6); mercaptoacetic acid (CAS No. 68-11-1); 2-Pyrrolidone (CAS
No. 616-45-5); 3-phenylpropan-1-ol (PHENYL PROPYL ALCOHOL, CAS No. 122-97-4);
hexyl 2-hydroxypropanoate (HEXYL LACTATE, CAS No. 20279-51-0); 1-(2-aminophenyl)ethan-1-one (2-AMINOACETOPHENONE, CAS No. 551-93-9); methyl 3-hydroxyhexanoate (Methyl 3-hydroxyhexanoate, >97%, FG, CAS No. 21188-58-9); 3-methoxyphenol (3-METHOXYPHENOL, CAS No. 150-19-6); 2-methoxy-4-vinylphenol (2-Methoxy-4-vinylphenol, >98%, CAS No. 7786-61-0); 4-ethyl-2-methoxyphenol (4-Ethylguaiacol, >98%, FCC, FG, CAS No. 2785-89-9); 2-(o-tolyl)ethan-1-ol (Peomosa, CAS No.
19819-98-8); 2-(m-tolyl)ethan- 1 -ol (3-Methylphenethyl alcohol, CAS No. 1875-89-4); 3-(hydroxymethyl)heptan-2-one (3-octanon-1-ol, CAS No. 65405-68-7); 2-phenoxyethan-1-ol (2-PHENOXYETHANOL, CAS No. 122-99-6); lactic acid (CAS No. 50-21-5); 2-ally1-6-methoxyphenol (ortho-eugenol, CAS No. 579-60-2); 5-ethy1-4-hydroxy-2-methylfuran-3(2H)-one (2-Ethyl-4-hydroxy-5-methyl-3(2H)furanone, 20% in PG, CAS No. 27538-09-6); 2-ethy1-4-hydroxy-5-methylfuran-3(2H)-one (Homofuranol Pure 100% neat, CAS No. 27538-09-6); (Z)-oct-5-enoic acid ((Z)-5-octenoic acid, CAS No. 41653-97-8); 4-oxopentanoic acid (Levulinic acid, >97%, FG, CAS No. 123-76-2); 4-ally1-2-methoxyphenol (EUGENOL, CAS No. 97-53-0); 3-(methylthio)propanoic acid (3-METHYLTHIOPROPIONIC ACID, CAS No. 646-01-5); (4-methoxyphenyl)methanol (Anisyl Alcohol, CAS No. 105-13-5); 3-hydroxypropane-1,2-diy1 diacetate (Diacetin, CAS No. 25395-31-7); 2-methoxy-4-propylphenol (DIHYDRO
EUGENOL,
13 CAS No. 2785-87-7); ethyl 3-hydroxyhexanoate (ETHYL 3-HYDROXY HEXANOATE, CAS
No. 2305-25-1); 1-((l-propoxypropan-2-yl)oxy)propan-2-ol (Dipropylene glycol n-propyl ether, CAS No. 29911-27-1); (Z)-2-methoxy-4-(prop-1-en-1-yl)phenol ((E)-Isoeugenol, CAS No. 5932-68-3); (E)-2-methoxy-4-(prop-1-en-l-yl)phenol (cis-iso-Eugenol, CAS No. 5912-86-7); (S)-3-(hydroxymethyl)octan-2-one (hydroxymethyl hexyl ethyl ketone, CAS No. 59191-78-5); 2,2'-oxybis(ethan-l-ol) (DIETHYLENE GLYCOL, CAS No. 111-46-6); 4-(methylthio)-2-oxobutanoic acid (4-(methyl thio)-2-oxobutyric acid, CAS No. 583-92-6); N-Methyldiethanolamine (N-Methyldiethanolamine, CAS No. 105-59-9); (E)-hex-3-en-1-y1 2-hydroxypropanoate (cis-3-HEXENYL LACTATE, CAS No. 61931-81-5); 2-ethoxy-4-(methoxymethyl)phenol (Methyl Diantilisg, CAS No. 5595-79-9); 4-(ethoxymethyl)-2-methoxyphenol (VANILLYL
ETHYL
ETHER, CAS No. 13184-86-6); 2-(4-methylthiazol-5-yl)ethan-1-ol (Sulfurol, CAS
No. 137-00-8); (R)-3-hydroxy-4-phenylbutan-2-one (3 -hy droxy-4-pheny1-2-butanone, CAS
No. 5355-63-5);
3-ethy1-2-hydroxycyclopent-2-en-l-one (ETHYL CYCLOPENTENOLONE PURE, CAS No.
21835-01-8); benzyl 2-hydroxypropanoate (BENZYL LACTATE, CAS No. 2051-96-9); 5-ethyl-2-hydroxy-3-methylcyclopent-2-en-1 -one (5-ethyl-3-methyl cyclotene, CAS No.
53263-58-4); 3-ethy1-2-hy droxy-4-methyl cy cl opent-2-en-l-one (3 -ethyl-4-methyl cyclotene, CAS No. 42348-12-9);
2-hy droxy-3 ,5,5-trim ethyl cy cl ohex-2-en-l-one (2-HYDROXY-3,5,5-CYCLOHEXENONE, CAS No. 4883-60-7); DIPROPYLENE GLYCOL-N-BUTYL ETHER
(CAS No. 29911-28-2); 3 -(hy droxym ethyl)nonan-2-one (3 -(HYDROXYMETHYL)-2-NONANONE, CAS No. 67801-33-6); 3,7-dim ethyl octane-1,7-di ol (HYDROXYOL, CAS
No.
107-74-4); 2-(2-hydroxypropan-2-y1)-5-methylcyclohexan- 1 -ol (Geranodyle, CAS
No. 42822-86-6); propyl 4-hydroxybenzoate (PROPYL-p-HYDROXYBENZOATE, CAS No. 94-13-3); 5-(hydroxymethyl)furan-2-carbaldehyde (5-(Hydroxymethyl)furfural, >99%, CAS No.
67-47-0);
ethyl 4-hydroxybenzoate (ETHYL-p-HYDROXYBENZOATE, CAS No. 120-47-8); 4-propyl syringol (CAS No. 6766-82-1); 4-ally1-2,6-dimethoxyphenol (4-Ally1-2,6-dimethoxyphenol, >90%, CAS No. 6627-88-9); ETHYL-3-HYDROXY OCTANOATE (CAS No. 7367-90-0);
diethyl 2,3-dihydroxysuccinate (Diethyl L-tartrate, >99%, CAS No. 87-91-2);
diethyl 2-hydroxysuccinate (DIETHYL MALATE, CAS No. 626-11-9); triethylene glycol (CAS
No. 112-27-6); (2 S,3R)-3 -(((2 S,3R)-3 -m erc aptobutan-2-yl)thi o)butan-2-ol (a-METHYL-b -HYDROXYPROPYL-a-METHYL-b-MERCAPTOPROPYL SULFIDE, CAS No. 54957-02-7);
(2-phenyl-1,3-dioxolan-4-yl)methanol ( Benzaldehyde glyceryl acetal, CAS No.
1319-88-6); ethyl 3-hydroxy-3-phenylpropanoate (ETHYL-3-HYDROXY-3-PRENYL PROPIONATE, CAS No.
5764-85-2); 1-(heptyloxy)-3-hydroxypropan-2-one (Heptanol gylceryl acetal, CAS
No. 72854-42-3); phenethyl 3-hydroxypropanoate (PHENYL ETHYL LACTATE, CAS No. 10138-63-3);
No. 2305-25-1); 1-((l-propoxypropan-2-yl)oxy)propan-2-ol (Dipropylene glycol n-propyl ether, CAS No. 29911-27-1); (Z)-2-methoxy-4-(prop-1-en-1-yl)phenol ((E)-Isoeugenol, CAS No. 5932-68-3); (E)-2-methoxy-4-(prop-1-en-l-yl)phenol (cis-iso-Eugenol, CAS No. 5912-86-7); (S)-3-(hydroxymethyl)octan-2-one (hydroxymethyl hexyl ethyl ketone, CAS No. 59191-78-5); 2,2'-oxybis(ethan-l-ol) (DIETHYLENE GLYCOL, CAS No. 111-46-6); 4-(methylthio)-2-oxobutanoic acid (4-(methyl thio)-2-oxobutyric acid, CAS No. 583-92-6); N-Methyldiethanolamine (N-Methyldiethanolamine, CAS No. 105-59-9); (E)-hex-3-en-1-y1 2-hydroxypropanoate (cis-3-HEXENYL LACTATE, CAS No. 61931-81-5); 2-ethoxy-4-(methoxymethyl)phenol (Methyl Diantilisg, CAS No. 5595-79-9); 4-(ethoxymethyl)-2-methoxyphenol (VANILLYL
ETHYL
ETHER, CAS No. 13184-86-6); 2-(4-methylthiazol-5-yl)ethan-1-ol (Sulfurol, CAS
No. 137-00-8); (R)-3-hydroxy-4-phenylbutan-2-one (3 -hy droxy-4-pheny1-2-butanone, CAS
No. 5355-63-5);
3-ethy1-2-hydroxycyclopent-2-en-l-one (ETHYL CYCLOPENTENOLONE PURE, CAS No.
21835-01-8); benzyl 2-hydroxypropanoate (BENZYL LACTATE, CAS No. 2051-96-9); 5-ethyl-2-hydroxy-3-methylcyclopent-2-en-1 -one (5-ethyl-3-methyl cyclotene, CAS No.
53263-58-4); 3-ethy1-2-hy droxy-4-methyl cy cl opent-2-en-l-one (3 -ethyl-4-methyl cyclotene, CAS No. 42348-12-9);
2-hy droxy-3 ,5,5-trim ethyl cy cl ohex-2-en-l-one (2-HYDROXY-3,5,5-CYCLOHEXENONE, CAS No. 4883-60-7); DIPROPYLENE GLYCOL-N-BUTYL ETHER
(CAS No. 29911-28-2); 3 -(hy droxym ethyl)nonan-2-one (3 -(HYDROXYMETHYL)-2-NONANONE, CAS No. 67801-33-6); 3,7-dim ethyl octane-1,7-di ol (HYDROXYOL, CAS
No.
107-74-4); 2-(2-hydroxypropan-2-y1)-5-methylcyclohexan- 1 -ol (Geranodyle, CAS
No. 42822-86-6); propyl 4-hydroxybenzoate (PROPYL-p-HYDROXYBENZOATE, CAS No. 94-13-3); 5-(hydroxymethyl)furan-2-carbaldehyde (5-(Hydroxymethyl)furfural, >99%, CAS No.
67-47-0);
ethyl 4-hydroxybenzoate (ETHYL-p-HYDROXYBENZOATE, CAS No. 120-47-8); 4-propyl syringol (CAS No. 6766-82-1); 4-ally1-2,6-dimethoxyphenol (4-Ally1-2,6-dimethoxyphenol, >90%, CAS No. 6627-88-9); ETHYL-3-HYDROXY OCTANOATE (CAS No. 7367-90-0);
diethyl 2,3-dihydroxysuccinate (Diethyl L-tartrate, >99%, CAS No. 87-91-2);
diethyl 2-hydroxysuccinate (DIETHYL MALATE, CAS No. 626-11-9); triethylene glycol (CAS
No. 112-27-6); (2 S,3R)-3 -(((2 S,3R)-3 -m erc aptobutan-2-yl)thi o)butan-2-ol (a-METHYL-b -HYDROXYPROPYL-a-METHYL-b-MERCAPTOPROPYL SULFIDE, CAS No. 54957-02-7);
(2-phenyl-1,3-dioxolan-4-yl)methanol ( Benzaldehyde glyceryl acetal, CAS No.
1319-88-6); ethyl 3-hydroxy-3-phenylpropanoate (ETHYL-3-HYDROXY-3-PRENYL PROPIONATE, CAS No.
5764-85-2); 1-(heptyloxy)-3-hydroxypropan-2-one (Heptanol gylceryl acetal, CAS
No. 72854-42-3); phenethyl 3-hydroxypropanoate (PHENYL ETHYL LACTATE, CAS No. 10138-63-3);
14 methoxy-4-(4-methyl-1,3-dioxolan-2-yl)phenol (VANILLIN PROPYLENE GLYCOL
ACETAL, 68527-74-2); 3-hydroxy-4,5-dimethylfuran-2(5H)-one (CARAMEL FURANONE (3% IN
TRIACETIN), CAS No. 28664-35-9); 5-ethy1-3-hydroxy-4-methylfuran-2(5H)-one (MAPLE
FURANONE (NEAT), CAS No. 698-10-2); 2-ethoxy-4-(4-methyl-1,3-dioxolan-2-yl)phenol (ETHYL VANILLIN PROPYLENE GLYCOL ACETAL, CAS No. 68527-76-4); 2-hydroxy-1,2-di phenyl ethan-l-one (B enz oi n, CAS No. 119-53-9);
3 -((2-i sopropy1-5-methylcyclohexyl)oxy)propane-1,2-diol (3-1-MENTHOXYPROPANE-1,2-DIOL, CAS No.
87061-04-9); (R)-2-hydroxy-N-(2-hydroxyethyl)propanamide (lactoyl ethanolamine, CAS No.
5422-34-4); 2,3-dihydroxypropyl 5-hydroxydecanoate (glyceryl 5-hydroxydecanoate, CAS No.
26446-31-1); 1-hydroxy-4-methyl-2-pentanone (1-hydroxy-4-methyl-2-pentanone , CAS No.
68113-55-3); 2-(2-hydroxypropoxy)propan- 1 -ol (dipropylene glycol, CAS No.
25265-71-8); 2-phenylethan- 1 -ol (Phenyl Ethyl Alcohol, CAS No. 60-12-8); and combinations thereof.
A solubilizer having a Hansen hydrogen-bonding parameter of greater than 9 MPa", a Hansen polarity parameter of greater than 5 MPa", and a vapor pressure of less than 267 Pa measured at 25 C may be selected from the group consisting of: phenylmethanol; 2-(2-hydroxypropoxy)propan-1-ol; prop ane-1,2-di ol ; 1-((1-propoxypropan-2-yl)oxy)propan-2-ol; 1-(2-methoxypropoxy)propan-2-ol; 4-ally1-2-methoxyphenol; 2-phenylethan-1-ol; and combinations thereof.
Secondary Solubilizer The fluid composition may contain one or more secondary solubilizers in addition to the solubilizing materials disclosed above, such as a polyol (components comprising more than one hydroxyl functionality), a glycol ether, or a polyether. If the secondary solubilizers present in the fluid composition fall within the Hansen solubility parameters and vapor pressure of the solubilizing materials, the secondary solubilizers should be considered in the total weight percentage of the solubilizing materials in the freshening composition.
Exemplary oxygenated solvents comprising polyols include ethylene glycol, diethylene glycol, triethylene glycol, propylene glycol, dipropylene glycol, and/or glycerin. The polyol used in the freshening composition of the present invention may be, for example glycerin, ethylene glycol, propylene glycol, dipropylene glycol.
Exemplary oxygenated solvents comprising polyethers are polyethylene glycol, and polypropylene glycol Exemplary oxygenated solvents comprising glycol ethers are propylene glycol methyl ether, propylene glycol phenyl ether, propylene glycol methyl ether acetate, propylene glycol n-butyl ether, dipropylene glycol n-butyl ether, dipropylene glycol n-propyl ether, ethylene glycol phenyl ether, diethylene glycol n-butyl ether, dipropylene glycol n-butyl ether, diethylene glycol mono 5 butyl ether, dipropylene glycol methyl ether, tripropylene glycol methyl ether, tripropylene glycol n-butyl ether, other glycol ethers, or mixtures thereof. The oxygenated solvent may be ethylene glycol, propylene glycol, or mixtures thereof The glycol used may be dipropylene glycol.
The oxygenated solvent may be added to the composition at a level of from about 0.01 wt. % to about 50 wt. %, by weight of the composition, alternatively from about 0.01 wt. % to about 20 wt.
10 %, by weight of the composition alternatively from about 0.05 wt. % to about 10 wt. %, alternatively from about 0.1 wt. % to about 5 wt. %, by weight of the overall composition.
Water The fluid composition may comprise water. The fluid composition may comprise water in an amount from about 0.25 wt. % to about 20 wt. % water, alternatively about 0.25 wt.% to about 10
ACETAL, 68527-74-2); 3-hydroxy-4,5-dimethylfuran-2(5H)-one (CARAMEL FURANONE (3% IN
TRIACETIN), CAS No. 28664-35-9); 5-ethy1-3-hydroxy-4-methylfuran-2(5H)-one (MAPLE
FURANONE (NEAT), CAS No. 698-10-2); 2-ethoxy-4-(4-methyl-1,3-dioxolan-2-yl)phenol (ETHYL VANILLIN PROPYLENE GLYCOL ACETAL, CAS No. 68527-76-4); 2-hydroxy-1,2-di phenyl ethan-l-one (B enz oi n, CAS No. 119-53-9);
3 -((2-i sopropy1-5-methylcyclohexyl)oxy)propane-1,2-diol (3-1-MENTHOXYPROPANE-1,2-DIOL, CAS No.
87061-04-9); (R)-2-hydroxy-N-(2-hydroxyethyl)propanamide (lactoyl ethanolamine, CAS No.
5422-34-4); 2,3-dihydroxypropyl 5-hydroxydecanoate (glyceryl 5-hydroxydecanoate, CAS No.
26446-31-1); 1-hydroxy-4-methyl-2-pentanone (1-hydroxy-4-methyl-2-pentanone , CAS No.
68113-55-3); 2-(2-hydroxypropoxy)propan- 1 -ol (dipropylene glycol, CAS No.
25265-71-8); 2-phenylethan- 1 -ol (Phenyl Ethyl Alcohol, CAS No. 60-12-8); and combinations thereof.
A solubilizer having a Hansen hydrogen-bonding parameter of greater than 9 MPa", a Hansen polarity parameter of greater than 5 MPa", and a vapor pressure of less than 267 Pa measured at 25 C may be selected from the group consisting of: phenylmethanol; 2-(2-hydroxypropoxy)propan-1-ol; prop ane-1,2-di ol ; 1-((1-propoxypropan-2-yl)oxy)propan-2-ol; 1-(2-methoxypropoxy)propan-2-ol; 4-ally1-2-methoxyphenol; 2-phenylethan-1-ol; and combinations thereof.
Secondary Solubilizer The fluid composition may contain one or more secondary solubilizers in addition to the solubilizing materials disclosed above, such as a polyol (components comprising more than one hydroxyl functionality), a glycol ether, or a polyether. If the secondary solubilizers present in the fluid composition fall within the Hansen solubility parameters and vapor pressure of the solubilizing materials, the secondary solubilizers should be considered in the total weight percentage of the solubilizing materials in the freshening composition.
Exemplary oxygenated solvents comprising polyols include ethylene glycol, diethylene glycol, triethylene glycol, propylene glycol, dipropylene glycol, and/or glycerin. The polyol used in the freshening composition of the present invention may be, for example glycerin, ethylene glycol, propylene glycol, dipropylene glycol.
Exemplary oxygenated solvents comprising polyethers are polyethylene glycol, and polypropylene glycol Exemplary oxygenated solvents comprising glycol ethers are propylene glycol methyl ether, propylene glycol phenyl ether, propylene glycol methyl ether acetate, propylene glycol n-butyl ether, dipropylene glycol n-butyl ether, dipropylene glycol n-propyl ether, ethylene glycol phenyl ether, diethylene glycol n-butyl ether, dipropylene glycol n-butyl ether, diethylene glycol mono 5 butyl ether, dipropylene glycol methyl ether, tripropylene glycol methyl ether, tripropylene glycol n-butyl ether, other glycol ethers, or mixtures thereof. The oxygenated solvent may be ethylene glycol, propylene glycol, or mixtures thereof The glycol used may be dipropylene glycol.
The oxygenated solvent may be added to the composition at a level of from about 0.01 wt. % to about 50 wt. %, by weight of the composition, alternatively from about 0.01 wt. % to about 20 wt.
10 %, by weight of the composition alternatively from about 0.05 wt. % to about 10 wt. %, alternatively from about 0.1 wt. % to about 5 wt. %, by weight of the overall composition.
Water The fluid composition may comprise water. The fluid composition may comprise water in an amount from about 0.25 wt. % to about 20 wt. % water, alternatively about 0.25 wt.% to about 10
15 wt. % water, alternatively about 1% to about 5% water, alternatively from about 1% to about 3%
water, alternatively from about 1% to about 2% water, by weight of the fluid composition. Without wishing to be bound by theory, it has been found that by formulating the perfume mixture to have a mol-weighted average ClogP of less than about 2.5, water can be incorporated into the fluid composition at a level of about 0.25 wt. % to about 9.5 wt. %, alternatively about 0.25 wt.% to about 7.0 wt. %, by weight of the overall composition.
Malodor Blockers The fluid composition may include one or more malodor blockers that dull the sensor of smell to a human, while not unduly interfering with the scent of the fluid compositions. Exemplary malodor blockers may be selected from the group consisting of: 1,1,2,3,3-pentamethy1-1,2,3,5,6,7-hexahydro-4H-inden-4-one (Cashmeran, 33704-61-9);
3 a,4,5,6,7, 7a-hexahydro-1H-4, 7-m ethanoinden-6-y1 acetate Flor (acetate/herb afl orate, CAS No. 5413-60-5); 1-((2-(tert-butyl)cyclohexyl)oxy)butan-2-ol (Ambercore, CAS No. 139504-68-0); 2-(8-isopropy1-6-methylbicyclo[2.2.2]oct-5-en-2-y1)-1,3-dioxolane (Glycolierral/Glycoacetal , CAS No. 68901-32-6); (E)-oxacyclohexadec-13-en-2-one (Habanolide, CAS No. 111879-80-2); (Z)-cyclooct-4-en-1-yl methyl carbonate (Violiff, CAS No. 87731-18-8); 7-methyloctyl acetate (Iso Nonyl Acetate, CAS No. 40379-24-6); ethyl dodecanoate (Ethyl laurate, CAS No. 106-33-2);
4,5-epoxy-4, 11,11-trimethy1-8-methyl enebicycl o(7.2 .0)undecane (Caryophyllene Oxide, CAS No. 1139-30-
water, alternatively from about 1% to about 2% water, by weight of the fluid composition. Without wishing to be bound by theory, it has been found that by formulating the perfume mixture to have a mol-weighted average ClogP of less than about 2.5, water can be incorporated into the fluid composition at a level of about 0.25 wt. % to about 9.5 wt. %, alternatively about 0.25 wt.% to about 7.0 wt. %, by weight of the overall composition.
Malodor Blockers The fluid composition may include one or more malodor blockers that dull the sensor of smell to a human, while not unduly interfering with the scent of the fluid compositions. Exemplary malodor blockers may be selected from the group consisting of: 1,1,2,3,3-pentamethy1-1,2,3,5,6,7-hexahydro-4H-inden-4-one (Cashmeran, 33704-61-9);
3 a,4,5,6,7, 7a-hexahydro-1H-4, 7-m ethanoinden-6-y1 acetate Flor (acetate/herb afl orate, CAS No. 5413-60-5); 1-((2-(tert-butyl)cyclohexyl)oxy)butan-2-ol (Ambercore, CAS No. 139504-68-0); 2-(8-isopropy1-6-methylbicyclo[2.2.2]oct-5-en-2-y1)-1,3-dioxolane (Glycolierral/Glycoacetal , CAS No. 68901-32-6); (E)-oxacyclohexadec-13-en-2-one (Habanolide, CAS No. 111879-80-2); (Z)-cyclooct-4-en-1-yl methyl carbonate (Violiff, CAS No. 87731-18-8); 7-methyloctyl acetate (Iso Nonyl Acetate, CAS No. 40379-24-6); ethyl dodecanoate (Ethyl laurate, CAS No. 106-33-2);
4,5-epoxy-4, 11,11-trimethy1-8-methyl enebicycl o(7.2 .0)undecane (Caryophyllene Oxide, CAS No. 1139-30-
16 6);
1,3,4,6,7, 8a1pha-hexahy dro-1, 1,5,5 -tetram ethy1-2H-2,4 alpha-m ethanophthal en-8(5H)-one (Isolongifolanone, CAS No. 23787-90-8); dodecan- 1 -ol (1-dodecanol, CAS No.112-53-8);
8,8-dimethy1-3a,4,5,6,7,7a-hexahydro-1H-4,7-methanoinden-6-y1 propionate (frutene, CAS No.
76842-49-4); (Z)-non-6-en-1-ol (CIS-6-NONEN-1-0L FCC, CAS No. 35854-86-5);
dodecanenitrile (CLONAL, CAS No. 2437-25-4); (E)-dec-4-enal (DECENAL (TRANS-4), CAS
No. 65405-70-1);
(1-methy1-241,2,2-trimethylbicyclo[3.1.0]hexan-3-yl)methyl)cyclopropyl)methanol (JAVANOL, CAS No. 198404-98-7); (E)-1,1-dimethoxy-3,7-dimethylocta-2,6-diene (CITRAL DIMETHYL ACETAL, CAS No. 7549-37-3); 2,6-di-tert-buty1-4-methylphenol (BHT, CAS No. 128-37-0); oxydibenzene, (Diphenyl oxide, CAS No.
101-84-8);
(E)-3,7-dimethylocta-2,6-dien-l-y1 palmitate (Hexarose, 3681-73-0); 3 -methy1-5-phenylpentan-1-ol (Phenyl hexanol, CAS No. 55066-48-3); 3-(3,3-dimethy1-2,3-dihydro-1H-inden-5-yl)propanal (Hivernal, CAS No. 173445-65-3); 3 -(1, 1-dimethy1-2,3 -dihydro-1H-inden-5-yl)propanal (Hivernal, CAS No. 300371-33-9); 2,2,6,6,7,8,8-heptamethyldecahydro-2H-indeno[4,5-b]furan (Amber x-treme, CAS No. 476332-65-7); (R,Z)-1-(2,6,6-trimethylcyclohex-2-en-1-yl)pent-l-en-3-one (Alpha methyl ionone, CAS No. 127-42-4); 3-(6,6-dimethylbicyclo[3.1.1]hept-2-en-2-y1)-2,2-dimethylpropanal (Pinyl isobutyraldehyde alpha, CAS No.
33885-52-8); (E)-3,7-dimethylocta-1,3,6-triene (Cis-ocimene, CAS No. 3338-55-4); 1-(5,5-dimethylcyclohex-1-en-l-yl)pent-4-en-1-one (Neobutenone alpha, CAS No. 56973-85-4); (E)-cyclohexadec-5-en- 1 -one (5-cylohexadene- 1 -one, CAS No. 37609-25-9); 2-isopropyl-5-methylphenol (thymol, CAS No. 89-83-8; and combinations thereof.
The fluid composition may comprise up to 2 wt.% of malodor blockers, or from 0.0001 wt.% to 2 wt.% of malodor blockers, based on the total weight of the fluid composition.
Reactive Aldehydes The fluid composition may include one or more reactive aldehydes that neutralize malodors in vapor and/or liquid phase via chemical reactions. The reactive aldehydes provide a genuine malodor neutralization and function not merely by covering up or masking odors. A genuine malodor neutralization provides a sensory and analytically measurable (e.g.
gas chromatograph) malodor reduction.
Reactive aldehydes may react with amine-based odors, following the path of Schiff-base .. formation. Volatiles aldehydes may also react with sulfur-based odors, forming thiol acetals, hemi thiolacetals, and thiol esters in vapor and/or liquid phase. It may be desirable for these vapor and/or liquid phase reactive aldehydes to have virtually no negative impact on the desired perfume
1,3,4,6,7, 8a1pha-hexahy dro-1, 1,5,5 -tetram ethy1-2H-2,4 alpha-m ethanophthal en-8(5H)-one (Isolongifolanone, CAS No. 23787-90-8); dodecan- 1 -ol (1-dodecanol, CAS No.112-53-8);
8,8-dimethy1-3a,4,5,6,7,7a-hexahydro-1H-4,7-methanoinden-6-y1 propionate (frutene, CAS No.
76842-49-4); (Z)-non-6-en-1-ol (CIS-6-NONEN-1-0L FCC, CAS No. 35854-86-5);
dodecanenitrile (CLONAL, CAS No. 2437-25-4); (E)-dec-4-enal (DECENAL (TRANS-4), CAS
No. 65405-70-1);
(1-methy1-241,2,2-trimethylbicyclo[3.1.0]hexan-3-yl)methyl)cyclopropyl)methanol (JAVANOL, CAS No. 198404-98-7); (E)-1,1-dimethoxy-3,7-dimethylocta-2,6-diene (CITRAL DIMETHYL ACETAL, CAS No. 7549-37-3); 2,6-di-tert-buty1-4-methylphenol (BHT, CAS No. 128-37-0); oxydibenzene, (Diphenyl oxide, CAS No.
101-84-8);
(E)-3,7-dimethylocta-2,6-dien-l-y1 palmitate (Hexarose, 3681-73-0); 3 -methy1-5-phenylpentan-1-ol (Phenyl hexanol, CAS No. 55066-48-3); 3-(3,3-dimethy1-2,3-dihydro-1H-inden-5-yl)propanal (Hivernal, CAS No. 173445-65-3); 3 -(1, 1-dimethy1-2,3 -dihydro-1H-inden-5-yl)propanal (Hivernal, CAS No. 300371-33-9); 2,2,6,6,7,8,8-heptamethyldecahydro-2H-indeno[4,5-b]furan (Amber x-treme, CAS No. 476332-65-7); (R,Z)-1-(2,6,6-trimethylcyclohex-2-en-1-yl)pent-l-en-3-one (Alpha methyl ionone, CAS No. 127-42-4); 3-(6,6-dimethylbicyclo[3.1.1]hept-2-en-2-y1)-2,2-dimethylpropanal (Pinyl isobutyraldehyde alpha, CAS No.
33885-52-8); (E)-3,7-dimethylocta-1,3,6-triene (Cis-ocimene, CAS No. 3338-55-4); 1-(5,5-dimethylcyclohex-1-en-l-yl)pent-4-en-1-one (Neobutenone alpha, CAS No. 56973-85-4); (E)-cyclohexadec-5-en- 1 -one (5-cylohexadene- 1 -one, CAS No. 37609-25-9); 2-isopropyl-5-methylphenol (thymol, CAS No. 89-83-8; and combinations thereof.
The fluid composition may comprise up to 2 wt.% of malodor blockers, or from 0.0001 wt.% to 2 wt.% of malodor blockers, based on the total weight of the fluid composition.
Reactive Aldehydes The fluid composition may include one or more reactive aldehydes that neutralize malodors in vapor and/or liquid phase via chemical reactions. The reactive aldehydes provide a genuine malodor neutralization and function not merely by covering up or masking odors. A genuine malodor neutralization provides a sensory and analytically measurable (e.g.
gas chromatograph) malodor reduction.
Reactive aldehydes may react with amine-based odors, following the path of Schiff-base .. formation. Volatiles aldehydes may also react with sulfur-based odors, forming thiol acetals, hemi thiolacetals, and thiol esters in vapor and/or liquid phase. It may be desirable for these vapor and/or liquid phase reactive aldehydes to have virtually no negative impact on the desired perfume
17 character of a product. Aldehydes that are partially volatile may be considered a reactive aldehyde as used herein.
Suitable reactive aldehydes may have a vapor pressure (VP) in the range of about 0.0001 torr to 100 torr, alternatively about 0.0001 torr to about 10 torr, alternatively about 0.001 torr to about 50 torr, alternatively about 0.001 torr to about 20 torr, alternatively about 0.001 torr to about 0.100 torr, alternatively about 0.001 torr to 0.06 torr, alternatively about 0.001 torr to 0.03 torr, alternatively about 0.005 torr to about 20 torr, alternatively about 0.01 torr to about 20 torr, alternatively about 0.01 torr to about 15 torr, alternatively about 0.01 torr to about 10 torr, alternatively about 0.05 torr to about 10 torr, measured at 25 C.
The reactive aldehydes may also have a certain boiling point (B.P.) and octanol/water partition coefficient (P). The boiling point referred to herein is measured under normal standard pressure of 760 mmHg. The boiling points of many reactive aldehydes, at standard 760 mm Hg are given in, for example, "Perfume and Flavor Chemicals (Aroma Chemicals)," written and published by Steffen Arctander, 1969.
The octanol/water partition coefficient of a reactive aldehyde is the ratio between its equilibrium concentrations in octanol and in water. The partition coefficients of the reactive aldehydes used in the fluid composition may be more conveniently given in the form of their logarithm to the base 10, logP. The logP values of many reactive aldehydes have been reported. See, e.g., the Pomona92 database, available from Daylight Chemical Information Systems, Inc. (Daylight CIS), Irvine, California. However, the logP values are most conveniently calculated by the "CLOGP" program, also available from Daylight CIS. This program also lists experimental logP
values when they are available in the Pomona92 database. The "calculated logP" (ClogP) is determined by the fragment approach of Hansch and Leo (cf., A. Leo, in Comprehensive Medicinal Chemistry, Vol. 4, C.
Hansch, P. G. Sammens, J. B. Taylor and C. A. Ramsden, Eds., p. 295, Pergamon Press, 1990).
The fragment approach is based on the chemical structure of each reactive aldehyde, and takes into account the numbers and types of atoms, the atom connectivity, and chemical bonding. The ClogP
values, which are the most reliable and widely used estimates for this physicochemical property, are alternatively used instead of the experimental logP values in the selection of reactive aldehydes for the fluid composition.
The ClogP values may be defined by four groups and the reactive aldehydes may be selected from one or more of these groups. The first group comprises reactive aldehydes that have a B.P. of about 250 C or less and ClogP of about 3 or less. The second group comprises reactive aldehydes
Suitable reactive aldehydes may have a vapor pressure (VP) in the range of about 0.0001 torr to 100 torr, alternatively about 0.0001 torr to about 10 torr, alternatively about 0.001 torr to about 50 torr, alternatively about 0.001 torr to about 20 torr, alternatively about 0.001 torr to about 0.100 torr, alternatively about 0.001 torr to 0.06 torr, alternatively about 0.001 torr to 0.03 torr, alternatively about 0.005 torr to about 20 torr, alternatively about 0.01 torr to about 20 torr, alternatively about 0.01 torr to about 15 torr, alternatively about 0.01 torr to about 10 torr, alternatively about 0.05 torr to about 10 torr, measured at 25 C.
The reactive aldehydes may also have a certain boiling point (B.P.) and octanol/water partition coefficient (P). The boiling point referred to herein is measured under normal standard pressure of 760 mmHg. The boiling points of many reactive aldehydes, at standard 760 mm Hg are given in, for example, "Perfume and Flavor Chemicals (Aroma Chemicals)," written and published by Steffen Arctander, 1969.
The octanol/water partition coefficient of a reactive aldehyde is the ratio between its equilibrium concentrations in octanol and in water. The partition coefficients of the reactive aldehydes used in the fluid composition may be more conveniently given in the form of their logarithm to the base 10, logP. The logP values of many reactive aldehydes have been reported. See, e.g., the Pomona92 database, available from Daylight Chemical Information Systems, Inc. (Daylight CIS), Irvine, California. However, the logP values are most conveniently calculated by the "CLOGP" program, also available from Daylight CIS. This program also lists experimental logP
values when they are available in the Pomona92 database. The "calculated logP" (ClogP) is determined by the fragment approach of Hansch and Leo (cf., A. Leo, in Comprehensive Medicinal Chemistry, Vol. 4, C.
Hansch, P. G. Sammens, J. B. Taylor and C. A. Ramsden, Eds., p. 295, Pergamon Press, 1990).
The fragment approach is based on the chemical structure of each reactive aldehyde, and takes into account the numbers and types of atoms, the atom connectivity, and chemical bonding. The ClogP
values, which are the most reliable and widely used estimates for this physicochemical property, are alternatively used instead of the experimental logP values in the selection of reactive aldehydes for the fluid composition.
The ClogP values may be defined by four groups and the reactive aldehydes may be selected from one or more of these groups. The first group comprises reactive aldehydes that have a B.P. of about 250 C or less and ClogP of about 3 or less. The second group comprises reactive aldehydes
18 that have a B.P. of 250 C or less and ClogP of 3.0 or more. The third group comprises reactive aldehydes that have a B.P. of 250 C or more and ClogP of 3.0 or less. The fourth group comprises reactive aldehydes that have a B.P. of 250 C or more and ClogP of 3.0 or more.
The fluid composition may comprise any combination of reactive aldehydes from one or more of the ClogP
groups.
The fluid composition of the present invention may comprise, by total weight of the fluid composition, from about 0% to about 30% of reactive aldehydes from group 1, alternatively about 25%; and/or about 0% to about 10% of reactive aldehydes from group 2, alternatively about 10%;
and/or from about 10% to about 30% of reactive aldehydes from group 3, alternatively about 30%;
and/or from about 35% to about 60% of reactive aldehydes from group 4, alternatively about 35%.
Exemplary reactive aldehydes which may be used in a fluid composition of the present invention include, but are not limited to, Adoxal (2,6,10-Trimethy1-9-undecenal), Bourgeonal (4-t-butylbenzenepropionaldehyde), Lilestralis 33 (2-methyl-4-t-butylphenyl)propanal), Cinnamic aldehyde, cinnamaldehyde (phenyl propenal, 3-phenyl-2-propenal), Citral, Geranial, Neral (di methyl octadi enal, 3 ,7-di methy1-2,6-octadi en-1-al), Cy cl al C (2,4-di m ethy1-3 -cy cl ohexen-1-carbaldehyde), Florhydral (3-(3-Isopropyl-pheny1)-butyraldehyde), Citronellal (3,7-dimethyl 6-octenal), Cymal, cyclamen aldehyde, Cyclosal, Lime aldehyde (Alpha-methyl-p-isopropyl phenyl propyl aldehyde), Methyl Nonyl Acetaldehyde, aldehyde C12 MNA (2-methyl-1-undecanal), Hydroxycitronellal, citronellal hydrate (7-hydroxy-3,7-dimethyl octan-l-al), Helional (alpha-methyl-3,4-(methylenedioxy)-hydrocinnamaldehyde, hydrocinnamaldehyde (3-phenylpropanal, 3-phenylpropionaldehyde), Intreleven aldehyde (undec-10-en-l-al), Ligustral, Trivertal (2,4-dimethy1-3 -cycl ohexene-l-carb oxal dehyde), Jasmorange, satinaldehyde (2-methy1-3-tolylproionaldehyde, 4-dimethylbenzenepropanal), Lyral (4-(4-hydroxy-4-methyl penty1)-3-cyclohexene-1-carboxaldehyde), Melonal (2,6-Dimethy1-5-Heptenal), Methoxy Melonal (6-methoxy-2,6-dimethylheptanal), methoxycinnamaldehyde (trans-4-methoxycinnamaldehyde), Myrac aldehyde isohexenyl cyclohexenyl-carboxaldehyde, trifernal ((3-methyl-4-phenyl propanal, 3-phenyl butanal), lilial, P. T. Bucinal, lysmeral, benzenepropanal (4-tert-butyl-alpha-methyl-hydrocinnamaldehyde), Dupical, tricyclodecylidenebutanal (4-Tricyclo5210-2,6decylidene-8butanal), Melafleur (1,2,3,4,5,6,7,8-octahydro-8,8-dimethy1-2-naphthaldehyde), Methyl Octyl Acetaldehyde, aldehyde C-11 MOA (2-mehtyl deca- 1 -al), Onicidal (2,6,10-trimethy1-5,9-undecadien-1-al), Citronellyl oxyacetaldehyde, Muguet aldehyde 50 (3,7-dimethy1-6-octenyl) oxyacetaldehyde), phenylacetaldehyde, Mefranal (3-methyl-5-phenyl pentanal), Triplal, Vertocitral dimethyl tetrahydrobenzene aldehyde (2,4-dimethy1-3-cyclohexene-1-
The fluid composition may comprise any combination of reactive aldehydes from one or more of the ClogP
groups.
The fluid composition of the present invention may comprise, by total weight of the fluid composition, from about 0% to about 30% of reactive aldehydes from group 1, alternatively about 25%; and/or about 0% to about 10% of reactive aldehydes from group 2, alternatively about 10%;
and/or from about 10% to about 30% of reactive aldehydes from group 3, alternatively about 30%;
and/or from about 35% to about 60% of reactive aldehydes from group 4, alternatively about 35%.
Exemplary reactive aldehydes which may be used in a fluid composition of the present invention include, but are not limited to, Adoxal (2,6,10-Trimethy1-9-undecenal), Bourgeonal (4-t-butylbenzenepropionaldehyde), Lilestralis 33 (2-methyl-4-t-butylphenyl)propanal), Cinnamic aldehyde, cinnamaldehyde (phenyl propenal, 3-phenyl-2-propenal), Citral, Geranial, Neral (di methyl octadi enal, 3 ,7-di methy1-2,6-octadi en-1-al), Cy cl al C (2,4-di m ethy1-3 -cy cl ohexen-1-carbaldehyde), Florhydral (3-(3-Isopropyl-pheny1)-butyraldehyde), Citronellal (3,7-dimethyl 6-octenal), Cymal, cyclamen aldehyde, Cyclosal, Lime aldehyde (Alpha-methyl-p-isopropyl phenyl propyl aldehyde), Methyl Nonyl Acetaldehyde, aldehyde C12 MNA (2-methyl-1-undecanal), Hydroxycitronellal, citronellal hydrate (7-hydroxy-3,7-dimethyl octan-l-al), Helional (alpha-methyl-3,4-(methylenedioxy)-hydrocinnamaldehyde, hydrocinnamaldehyde (3-phenylpropanal, 3-phenylpropionaldehyde), Intreleven aldehyde (undec-10-en-l-al), Ligustral, Trivertal (2,4-dimethy1-3 -cycl ohexene-l-carb oxal dehyde), Jasmorange, satinaldehyde (2-methy1-3-tolylproionaldehyde, 4-dimethylbenzenepropanal), Lyral (4-(4-hydroxy-4-methyl penty1)-3-cyclohexene-1-carboxaldehyde), Melonal (2,6-Dimethy1-5-Heptenal), Methoxy Melonal (6-methoxy-2,6-dimethylheptanal), methoxycinnamaldehyde (trans-4-methoxycinnamaldehyde), Myrac aldehyde isohexenyl cyclohexenyl-carboxaldehyde, trifernal ((3-methyl-4-phenyl propanal, 3-phenyl butanal), lilial, P. T. Bucinal, lysmeral, benzenepropanal (4-tert-butyl-alpha-methyl-hydrocinnamaldehyde), Dupical, tricyclodecylidenebutanal (4-Tricyclo5210-2,6decylidene-8butanal), Melafleur (1,2,3,4,5,6,7,8-octahydro-8,8-dimethy1-2-naphthaldehyde), Methyl Octyl Acetaldehyde, aldehyde C-11 MOA (2-mehtyl deca- 1 -al), Onicidal (2,6,10-trimethy1-5,9-undecadien-1-al), Citronellyl oxyacetaldehyde, Muguet aldehyde 50 (3,7-dimethy1-6-octenyl) oxyacetaldehyde), phenylacetaldehyde, Mefranal (3-methyl-5-phenyl pentanal), Triplal, Vertocitral dimethyl tetrahydrobenzene aldehyde (2,4-dimethy1-3-cyclohexene-1-
19 carb oxal dehy de), 2-phenylpropri onal dehy de, Hy drotrop al dehy de, Canthoxal, ani sylprop anal 4-methoxy-alpha-methyl benzenepropanal (2-anisylidene propanal), Cylcemone A
(1,2,3,4,5,6,7,8-octahy dro-8,8-dimethy1-2-naphthal dehy de), Precyl cem one B (1-cy cl ohexene-l-carb oxal dehy de);
Pinyl isobutyraldehyde alpha (3 -(6,6-dimethylbicyclo[3 .1. 1]hept-2-en-2-y1)-2,2-dimethylpropanal, ; and Hivernal (3 -(3,3 -dimethy1-2,3-dihydro-1H-inden-5-yl)propanal/3 -(1, 1-dimethy1-2,3 -dihydro-1H-inden-5-yl)propanal).
Still other exemplary reactive aldehydes include, but are not limited to, acetaldehyde (ethanal), pentanal, val eral dehy de, amyl al dehy de, Scentenal (octahydro-5-methoxy-4,7-Methano-1H-indene-2-carboxaldehyde), propionaldehyde (propanal), Cyclocitral, beta-cyclocitral, (2,6,6-trim ethyl-l-cy cl ohexene-1-acetaldehyde), Is o Cy cl ocitral (2,4, 6-trim ethy1-3-cy cl ohexene-1-carboxaldehyde), isobutyraldehyde, butyraldehyde, isovaleraldehyde (3-methyl butyraldehyde), methylbutyraldehyde (2-methyl butyraldehyde, 2-methyl butanal), Dihydrocitronellal (3,7-dimethyl octan-l-al), 2-Ethylbutyraldehyde, 3-Methy1-2-butenal, 2-Methylpentanal, 2-Methyl Valeraldehyde, Hexenal (2-hexenal, trans-2-hexenal), Heptanal, Octanal, Nonanal, Decanal, Lauric aldehyde, Tridecanal, 2-Dodecanal, Methylthiobutanal, Glutaraldehyde, Pentanedial, Glutaric aldehyde, Heptenal, cis or trans-Heptenal, Undecenal (2-, 10-), 2,4-octadienal, Nonenal (2-, 6-), Decenal (2-, 4-), 2,4-hexadienal, 2,4-Decadienal, 2,6-Nonadienal, Octenal, 2,6-dimethyl 5-heptenal, 2-isopropy1-5-methy1-2-hexenal, Trifernal, beta methyl Benzenepropanal, 2,6,6-Trim ethyl-l-cy cl ohexene-1-acetaldehyde, phenyl Butenal (2-phenyl 2-butenal), 2 .Methyl-3 (p-isopropylpheny1)-propionaldehyde, 3 -(p-i sopropylpheny1)-propionaldehyde, p-Tolylacetaldehyde (4-m ethylphenyl acetal dehy de), Ani sal dehy de (p-methoxybenzene aldehyde), B enzal dehy de, Vernal dehy de (1-Methyl-4-(4-m ethylp enty1)-3 -cy cl ohexenecarb al dehy de), Heliotropin (piperonal) 3,4-Methylene dioxy benzaldehyde, alpha-Amylcinnamic aldehyde, 2-penty1-3-phenylpropenoic aldehyde, Vanillin (4-methoxy 3-hydroxy benzaldehyde), Ethyl vanillin (3-ethoxy 4-hydroxybenzaldehyde), Hexyl Cinnamic aldehyde, Jasmonal H (alpha-n-hexyl-cinnamaldehyde), Floralozone, (para-ethyl-alpha,alpha-dimethyl Hydrocinnamaldehyde), Acalea (p-methyl-alpha-pentylcinnamaldehyde), methylcinnamaldehyde, alpha-Methylcinnamaldehyde (2-methyl 3-pheny propenal), alpha-hexylcinnamaldehyde (2-hexyl 3-phenyl propenal), Salicylaldehyde (2-hydroxy benzaldehyde), 4-ethyl benzaldehyde, Cuminaldehyde (4-isopropyl b enzal dehy de), Ethoxyb enzal dehy de, 2,4-dim ethylb enzal dehy de, Veratral dehy de (3,4-dim ethoxyb enzal dehy de), Syringal dehy de (3,5-dim ethoxy 4-hy droxyb enzal dehy de), Catechal dehy de (3 ,4-di hy droxyb enz al dehy de), Safranal (2, 6,6-trim ethyl-1,3 -di ene methanal), Myrtenal (pin-2-ene-1-carbaldehyde), Perillaldehyde L-4(1-methyletheny1)-1-cyclohexene-1-carboxaldehyde), 2,4-Dimethy1-3-cyclohexene carboxaldehyde, 2-Methyl-2-pentenal, 2-methylpentenal, pyruvaldehyde, formyl Tricyclodecan, Mandarin aldehyde, Cyclemax, Pino acetaldehyde, Corps Iris, Maceal, and Corps 4322.
The reactive aldehydes may be present in an amount up to 100%, by weight of the fluid composition, alternatively from 1% to about 100%, alternatively from about 2%
to about 100%, 5 alternatively from about 3% to about 100%, alternatively about 50% to about 100%, alternatively about 70% to about 100%, alternatively about 80% to about 100%, alternatively from about 1% to about 20%, alternatively from about 1% to about 10%, alternatively from about 1% to about 5%, alternatively from about 1% to about 3%, alternatively from about 2% to about
(1,2,3,4,5,6,7,8-octahy dro-8,8-dimethy1-2-naphthal dehy de), Precyl cem one B (1-cy cl ohexene-l-carb oxal dehy de);
Pinyl isobutyraldehyde alpha (3 -(6,6-dimethylbicyclo[3 .1. 1]hept-2-en-2-y1)-2,2-dimethylpropanal, ; and Hivernal (3 -(3,3 -dimethy1-2,3-dihydro-1H-inden-5-yl)propanal/3 -(1, 1-dimethy1-2,3 -dihydro-1H-inden-5-yl)propanal).
Still other exemplary reactive aldehydes include, but are not limited to, acetaldehyde (ethanal), pentanal, val eral dehy de, amyl al dehy de, Scentenal (octahydro-5-methoxy-4,7-Methano-1H-indene-2-carboxaldehyde), propionaldehyde (propanal), Cyclocitral, beta-cyclocitral, (2,6,6-trim ethyl-l-cy cl ohexene-1-acetaldehyde), Is o Cy cl ocitral (2,4, 6-trim ethy1-3-cy cl ohexene-1-carboxaldehyde), isobutyraldehyde, butyraldehyde, isovaleraldehyde (3-methyl butyraldehyde), methylbutyraldehyde (2-methyl butyraldehyde, 2-methyl butanal), Dihydrocitronellal (3,7-dimethyl octan-l-al), 2-Ethylbutyraldehyde, 3-Methy1-2-butenal, 2-Methylpentanal, 2-Methyl Valeraldehyde, Hexenal (2-hexenal, trans-2-hexenal), Heptanal, Octanal, Nonanal, Decanal, Lauric aldehyde, Tridecanal, 2-Dodecanal, Methylthiobutanal, Glutaraldehyde, Pentanedial, Glutaric aldehyde, Heptenal, cis or trans-Heptenal, Undecenal (2-, 10-), 2,4-octadienal, Nonenal (2-, 6-), Decenal (2-, 4-), 2,4-hexadienal, 2,4-Decadienal, 2,6-Nonadienal, Octenal, 2,6-dimethyl 5-heptenal, 2-isopropy1-5-methy1-2-hexenal, Trifernal, beta methyl Benzenepropanal, 2,6,6-Trim ethyl-l-cy cl ohexene-1-acetaldehyde, phenyl Butenal (2-phenyl 2-butenal), 2 .Methyl-3 (p-isopropylpheny1)-propionaldehyde, 3 -(p-i sopropylpheny1)-propionaldehyde, p-Tolylacetaldehyde (4-m ethylphenyl acetal dehy de), Ani sal dehy de (p-methoxybenzene aldehyde), B enzal dehy de, Vernal dehy de (1-Methyl-4-(4-m ethylp enty1)-3 -cy cl ohexenecarb al dehy de), Heliotropin (piperonal) 3,4-Methylene dioxy benzaldehyde, alpha-Amylcinnamic aldehyde, 2-penty1-3-phenylpropenoic aldehyde, Vanillin (4-methoxy 3-hydroxy benzaldehyde), Ethyl vanillin (3-ethoxy 4-hydroxybenzaldehyde), Hexyl Cinnamic aldehyde, Jasmonal H (alpha-n-hexyl-cinnamaldehyde), Floralozone, (para-ethyl-alpha,alpha-dimethyl Hydrocinnamaldehyde), Acalea (p-methyl-alpha-pentylcinnamaldehyde), methylcinnamaldehyde, alpha-Methylcinnamaldehyde (2-methyl 3-pheny propenal), alpha-hexylcinnamaldehyde (2-hexyl 3-phenyl propenal), Salicylaldehyde (2-hydroxy benzaldehyde), 4-ethyl benzaldehyde, Cuminaldehyde (4-isopropyl b enzal dehy de), Ethoxyb enzal dehy de, 2,4-dim ethylb enzal dehy de, Veratral dehy de (3,4-dim ethoxyb enzal dehy de), Syringal dehy de (3,5-dim ethoxy 4-hy droxyb enzal dehy de), Catechal dehy de (3 ,4-di hy droxyb enz al dehy de), Safranal (2, 6,6-trim ethyl-1,3 -di ene methanal), Myrtenal (pin-2-ene-1-carbaldehyde), Perillaldehyde L-4(1-methyletheny1)-1-cyclohexene-1-carboxaldehyde), 2,4-Dimethy1-3-cyclohexene carboxaldehyde, 2-Methyl-2-pentenal, 2-methylpentenal, pyruvaldehyde, formyl Tricyclodecan, Mandarin aldehyde, Cyclemax, Pino acetaldehyde, Corps Iris, Maceal, and Corps 4322.
The reactive aldehydes may be present in an amount up to 100%, by weight of the fluid composition, alternatively from 1% to about 100%, alternatively from about 2%
to about 100%, 5 alternatively from about 3% to about 100%, alternatively about 50% to about 100%, alternatively about 70% to about 100%, alternatively about 80% to about 100%, alternatively from about 1% to about 20%, alternatively from about 1% to about 10%, alternatively from about 1% to about 5%, alternatively from about 1% to about 3%, alternatively from about 2% to about
20%, alternatively from about 3% to about 20%, alternatively from about 4% to about 20%, alternatively from about 10 5% to about 20%, by weight of the composition.
The fluid composition of the present invention may include an effective amount of an acid catalyst to neutralize sulfur-based malodors. It has been found that certain mild acids have an impact on aldehyde reactivity with thiols in the liquid and vapor phase. It has been found that the reaction between thiol and aldehyde is a catalytic reaction that follows the mechanism of hemiacetal and 15 acetal formation path. When the present fluid composition contains an acid catalyst and contacts a sulfur-based malodor, the reactive aldehyde reacts with thiol. This reaction may form a thiol acetal compound, thus, neutralizing the sulfur-based odor. Without an acid catalyst, only hemi-thiol acetal is formed.
Suitable acid catalysts have a VP, as reported by Scifinder, in the range of about 0.001 torr to 20 about 38 torr, measured at 25 C, alternatively about 0.001 torr to about 14 torr, alternatively from about 0.001 to about 1, alternatively from about 0.001 to about 0.020, alternatively about 0.005 to about 0.020, alternatively about 0.010 to about 0.020.
The acid catalyst may be a weak acid. A weak acid is characterized by an acid dissociation constant, Ka, which is an equilibrium constant for the dissociation of a weak acid; the pKa being equal to minus the decimal logarithm of Ka. The acid catalyst may have a pKa from about 4.0 to about 6.0, alternatively from about 4.3 and 5.7, alternatively from about 4.5 to about 5, alternatively from about 4.7 to about 4.9. Suitable acid catalyst include those listed in Table 3.
Table 3 Acid Catalyst VP (torr) @
Formic Acid 36.5 Acetic Acid 13.9
The fluid composition of the present invention may include an effective amount of an acid catalyst to neutralize sulfur-based malodors. It has been found that certain mild acids have an impact on aldehyde reactivity with thiols in the liquid and vapor phase. It has been found that the reaction between thiol and aldehyde is a catalytic reaction that follows the mechanism of hemiacetal and 15 acetal formation path. When the present fluid composition contains an acid catalyst and contacts a sulfur-based malodor, the reactive aldehyde reacts with thiol. This reaction may form a thiol acetal compound, thus, neutralizing the sulfur-based odor. Without an acid catalyst, only hemi-thiol acetal is formed.
Suitable acid catalysts have a VP, as reported by Scifinder, in the range of about 0.001 torr to 20 about 38 torr, measured at 25 C, alternatively about 0.001 torr to about 14 torr, alternatively from about 0.001 to about 1, alternatively from about 0.001 to about 0.020, alternatively about 0.005 to about 0.020, alternatively about 0.010 to about 0.020.
The acid catalyst may be a weak acid. A weak acid is characterized by an acid dissociation constant, Ka, which is an equilibrium constant for the dissociation of a weak acid; the pKa being equal to minus the decimal logarithm of Ka. The acid catalyst may have a pKa from about 4.0 to about 6.0, alternatively from about 4.3 and 5.7, alternatively from about 4.5 to about 5, alternatively from about 4.7 to about 4.9. Suitable acid catalyst include those listed in Table 3.
Table 3 Acid Catalyst VP (torr) @
Formic Acid 36.5 Acetic Acid 13.9
21 Trimethyl Acetic Acid 0.907 Phenol (alkaline in liquid apps yet 0.610 acidic in vapor phase) Tiglic acid 0.152 Caprylic acid 0.0222 5-Methyl thiophene carboxylic acid 0.019 Succinic acid 0.0165 Benzoic acid 0.014 Mesitylenic acid 0.00211 Depending on the desired use of the fluid composition, one may consider the scent character or the effect on the scent of the fluid composition when selecting an acid catalyst.
It may be desirable to select an acid catalyst that provides a neutral to pleasant scent. Such acid catalysts may have a VP
of about 0.001 torr to about 0.020 torr, measured at 25 C, alternatively about 0.005 torr to about 0.020 torr, alternatively about 0.010 torr to about 0.020 torr. Non-limiting examples of such acid catalyst include 5-methyl thiophene carboxaldehyde with carboxylic acid impurity, succinic acid, or benzoic acid.
The composition may include about 0.05% to about 5%, alternatively about 0.1%
to about 1.0%, alternatively about 0.1% to about 0.5%, alternatively about 0.1% to about 0.4%, alternatively about 0.4% to about 1.5%, alternatively about 0.4% of an acid catalyst by weight of the fluid composition.
When an acid catalyst is present with a reactive aldehyde, the acid catalyst may increase the efficacy of the reactive aldehyde on malodors in comparison to the malodor efficacy of the reactive aldehyde on its own. For example, 1% reactive aldehyde and 1.5% benzoic acid provides malodor removal benefit equal to or better than 5% reactive aldehyde alone.
Microfluidic Cartridge With reference to Figs. 1 and 2, a microfluidic cartridge 10 comprises an interior 12 and an exterior 14. The interior 12 of the microfluidic cartridge 10 comprises a reservoir 16 and one or more fluid channels 18 that are in fluid communication with the microfluidic die 51. The reservoir 16 may be formed from a base wall 20 or a plurality of surfaces forming a base wall 20 and one or more side walls 22. The reservoir 16 may be enclosed by a lid 24 of the microfluidic cartridge 10. The fluid channel 18 extends from reservoir 16 to the exterior 14 of the microfluidic cartridge 10 at the
It may be desirable to select an acid catalyst that provides a neutral to pleasant scent. Such acid catalysts may have a VP
of about 0.001 torr to about 0.020 torr, measured at 25 C, alternatively about 0.005 torr to about 0.020 torr, alternatively about 0.010 torr to about 0.020 torr. Non-limiting examples of such acid catalyst include 5-methyl thiophene carboxaldehyde with carboxylic acid impurity, succinic acid, or benzoic acid.
The composition may include about 0.05% to about 5%, alternatively about 0.1%
to about 1.0%, alternatively about 0.1% to about 0.5%, alternatively about 0.1% to about 0.4%, alternatively about 0.4% to about 1.5%, alternatively about 0.4% of an acid catalyst by weight of the fluid composition.
When an acid catalyst is present with a reactive aldehyde, the acid catalyst may increase the efficacy of the reactive aldehyde on malodors in comparison to the malodor efficacy of the reactive aldehyde on its own. For example, 1% reactive aldehyde and 1.5% benzoic acid provides malodor removal benefit equal to or better than 5% reactive aldehyde alone.
Microfluidic Cartridge With reference to Figs. 1 and 2, a microfluidic cartridge 10 comprises an interior 12 and an exterior 14. The interior 12 of the microfluidic cartridge 10 comprises a reservoir 16 and one or more fluid channels 18 that are in fluid communication with the microfluidic die 51. The reservoir 16 may be formed from a base wall 20 or a plurality of surfaces forming a base wall 20 and one or more side walls 22. The reservoir 16 may be enclosed by a lid 24 of the microfluidic cartridge 10. The fluid channel 18 extends from reservoir 16 to the exterior 14 of the microfluidic cartridge 10 at the
22 fluid opening. The reservoir may include an air vent. The lid 24 may be integral with the reservoir 16 or may be constructed as a separate element that is connected with the reservoir 16.
The reservoir 16 of the microfluidic cartridge 10 may contain from about 5 mL
to about 50 mL of fluid composition, alternatively from about 10 mL to about 30 mL of fluid composition, alternatively from about 15 mL to about 20 mL of fluid composition. The reservoir 16 can be made of any suitable material for containing a fluid composition. Suitable materials for the containers include, but are not limited to, plastic, metal, ceramic, composite, and the like. A
microfluidic cartridge may be configured to have multiple reservoirs, each containing the same or a different composition. The microfluidic delivery device may utilize one or more microfluidic .. cartridges, each containing a separate reservoir.
The reservoir 16 may also contain a porous material 19 such as a sponge that creates a back pressure to prevent the fluid composition from leaking from the microfluidic die when the microfluidic die is not in operation. The fluid composition may travel through the porous material and to the microfluidic die through gravity force and/or capillary force acting on the fluid .. composition. The porous material may comprise a metal or fabric mesh, open-cell polymer foam, or fibrous polyethylene terephthalate, polypropylene, or bi-components of fibers or porous wick, that contain multiple interconnected open cells that form fluid passages. The sponge may be free of a polyurethane foam.
With reference to Fig. 1, the exterior 14 of the microfluidic cartridge 10 is made up of two, three, .. or more faces. Each face is bounded by one or more edges. Two faces are connected along an edge. Each face may be flat, substantially flat, or contoured in various ways.
The faces may connect to form various shapes, such as a cube, cylinder, cone, tetrahedron, triangular prism, cuboid, etc. The microfluidic cartridge may be comprised of various materials, including plastic, metal, glass, ceramic, wood, composite, and combinations thereof Different elements of the microfluidic cartridge may be comprised of the same or different materials.
The microfluidic cartridge 10 may comprise at least a first face 26 and a second face 28 joined along an edge 30. For example, the first face 26 may be a bottom face and the second face 28 may be a side face.
In a microfluidic cartridge 10 that is substantially cube-shaped, the microfluidic cartridge 10 may include a top face, a bottom face that opposes the top face, and four side faces extending between the top and bottom faces. Each joining face may be connected along an edge. In a cylindrical-
The reservoir 16 of the microfluidic cartridge 10 may contain from about 5 mL
to about 50 mL of fluid composition, alternatively from about 10 mL to about 30 mL of fluid composition, alternatively from about 15 mL to about 20 mL of fluid composition. The reservoir 16 can be made of any suitable material for containing a fluid composition. Suitable materials for the containers include, but are not limited to, plastic, metal, ceramic, composite, and the like. A
microfluidic cartridge may be configured to have multiple reservoirs, each containing the same or a different composition. The microfluidic delivery device may utilize one or more microfluidic .. cartridges, each containing a separate reservoir.
The reservoir 16 may also contain a porous material 19 such as a sponge that creates a back pressure to prevent the fluid composition from leaking from the microfluidic die when the microfluidic die is not in operation. The fluid composition may travel through the porous material and to the microfluidic die through gravity force and/or capillary force acting on the fluid .. composition. The porous material may comprise a metal or fabric mesh, open-cell polymer foam, or fibrous polyethylene terephthalate, polypropylene, or bi-components of fibers or porous wick, that contain multiple interconnected open cells that form fluid passages. The sponge may be free of a polyurethane foam.
With reference to Fig. 1, the exterior 14 of the microfluidic cartridge 10 is made up of two, three, .. or more faces. Each face is bounded by one or more edges. Two faces are connected along an edge. Each face may be flat, substantially flat, or contoured in various ways.
The faces may connect to form various shapes, such as a cube, cylinder, cone, tetrahedron, triangular prism, cuboid, etc. The microfluidic cartridge may be comprised of various materials, including plastic, metal, glass, ceramic, wood, composite, and combinations thereof Different elements of the microfluidic cartridge may be comprised of the same or different materials.
The microfluidic cartridge 10 may comprise at least a first face 26 and a second face 28 joined along an edge 30. For example, the first face 26 may be a bottom face and the second face 28 may be a side face.
In a microfluidic cartridge 10 that is substantially cube-shaped, the microfluidic cartridge 10 may include a top face, a bottom face that opposes the top face, and four side faces extending between the top and bottom faces. Each joining face may be connected along an edge. In a cylindrical-
23 shaped microfluidic cartridge, for example, the microfluidic cartridge may include a top face, a bottom face opposing the top face, and a single curved side face extending between the top and bottom faces.
With reference to Figs. 1-3, the fluid channel 18 of the microfluidic cartridge 10 may extend to a fluid opening that may be disposed in the second face 28 of the microfluidic cartridge 10. The microfluidic cartridge 10 may include a microfluidic die 51 disposed on the second face 28. The fluid channel 18 may open up to the microfluidic die 51 such that the fluid channel 18 is in fluid communication with the microfluidic die 51.
The primary components of a microfluidic die are a semiconductor substrate, a flow feature layer, and a nozzle plate layer. The flow feature layer and the nozzle plate layer may be formed from two separate layers or one continuous layer. The semiconductor substrate is preferably made of silicon and contains various passivation layers, conductive metal layers, resistive layers, insulative layers and protective layers deposited on a device surface thereof. Fluid ejection actuators in the semiconductor substrate generate rapid pressure impulses to eject the fluid composition from the .. nozzles. The rapid pressure impulses may be generated by a heater resistor that cause volatilization of a portion of a fluid composition within the fluid composition through rapid heating cycles (e.g., micro thermal nucleation). For thermal actuators, individual heater resistors are defined in the resistive layers and each heater resistor corresponds to a nozzle in the nozzle plate for heating and ejecting the fluid composition from the nozzle.
.. With reference to Figs. 4 and 5, there is shown a simplified representation of a portion of a microfluidic die 51. The microfluidic die includes a semiconductor substrate 112 that may be a silicon semiconductor substrate 112 containing a plurality of fluid ejection actuators 114 such as heater resistors formed on a device side 116 of the substrate 112 as shown in the simplified illustration of Fig. 5. Upon activation of fluid ejection actuators 114, fluid supplied through one .. or more fluid supply vias 118 in the semiconductor substrate 112 flows through a fluid supply channel 120 to a fluid chamber 122 in a thick film layer 124 where the fluid is caused to be ejected through nozzles 126 in a nozzle plate 128. Fluid ejection actuators are formed on the device side 116 of the semiconductor substrate 112 by well-known semiconductor manufacturing techniques. Thick film layer 124 and nozzle plate 128 may be separate layers or may be one continuous layer.
The nozzle plate 128 may include an oleophobic surface coating. The oleophobic surface coating may include polypropylene, polytetrafluoroethene, and the like.
With reference to Figs. 1-3, the fluid channel 18 of the microfluidic cartridge 10 may extend to a fluid opening that may be disposed in the second face 28 of the microfluidic cartridge 10. The microfluidic cartridge 10 may include a microfluidic die 51 disposed on the second face 28. The fluid channel 18 may open up to the microfluidic die 51 such that the fluid channel 18 is in fluid communication with the microfluidic die 51.
The primary components of a microfluidic die are a semiconductor substrate, a flow feature layer, and a nozzle plate layer. The flow feature layer and the nozzle plate layer may be formed from two separate layers or one continuous layer. The semiconductor substrate is preferably made of silicon and contains various passivation layers, conductive metal layers, resistive layers, insulative layers and protective layers deposited on a device surface thereof. Fluid ejection actuators in the semiconductor substrate generate rapid pressure impulses to eject the fluid composition from the .. nozzles. The rapid pressure impulses may be generated by a heater resistor that cause volatilization of a portion of a fluid composition within the fluid composition through rapid heating cycles (e.g., micro thermal nucleation). For thermal actuators, individual heater resistors are defined in the resistive layers and each heater resistor corresponds to a nozzle in the nozzle plate for heating and ejecting the fluid composition from the nozzle.
.. With reference to Figs. 4 and 5, there is shown a simplified representation of a portion of a microfluidic die 51. The microfluidic die includes a semiconductor substrate 112 that may be a silicon semiconductor substrate 112 containing a plurality of fluid ejection actuators 114 such as heater resistors formed on a device side 116 of the substrate 112 as shown in the simplified illustration of Fig. 5. Upon activation of fluid ejection actuators 114, fluid supplied through one .. or more fluid supply vias 118 in the semiconductor substrate 112 flows through a fluid supply channel 120 to a fluid chamber 122 in a thick film layer 124 where the fluid is caused to be ejected through nozzles 126 in a nozzle plate 128. Fluid ejection actuators are formed on the device side 116 of the semiconductor substrate 112 by well-known semiconductor manufacturing techniques. Thick film layer 124 and nozzle plate 128 may be separate layers or may be one continuous layer.
The nozzle plate 128 may include an oleophobic surface coating. The oleophobic surface coating may include polypropylene, polytetrafluoroethene, and the like.
24 The nozzle plate 128 may include about 4-200 nozzles 126, or about 6 - 120 nozzles, or about 8-64 nozzles. Each nozzle 126 may deliver about 0.5 to about 35 picoliters, or about 1 to about 20 picoliters, or about 2 to about 10 picoliters of a fluid composition per electrical firing pulse.
Individual nozzles 126 may have of a diameter typically about 0.0024 inches (5-50 microns). The flow rate of fluid composition released from the microfluidic die 51 could be in the range of about 5 to about 70 mg/hour or any other suitable rate or range.
With reference to Figs. 1 and 3, the microfluidic cartridge 10 comprises an electric circuit 52. The electric circuit 52 may be in the form of a flexible circuit, semi-flexible circuit having rigid and flexible portions, and rigid circuit boards. The electric circuit 52 may include a first end portion 54, a second end portion 56, and a central portion 58 separating the first and second end portions 54 and 56, respectively. The first end portion 54 of the electric circuit 52 may include electrical contacts 60 for connecting with the electrical contacts of the housing of a microfluidic delivery device. The second end portion 56 of the electric circuit 52 may be in electrical communication with the microfluidic die 51.
In the case of a flexible or semi-flexible electric circuit 52, the electric circuit 52 may be disposed on and span two faces of the microfluidic cartridge 10. For example, with reference to Figs. 1 and 3, for illustrative purposes only, the first end portion 54 of the electric circuit 52 may be disposed on the first face 26 of the microfluidic cartridge 10, the second end portion 56 of the electric circuit 52 may be disposed on the second face 28 of the microfluidic cartridge 10, and the central portion 58 of the electric circuit 52 may span the first and second faces 26 and 28, respectively, of the microfluidic cartridge 10.
In the case of a rigid electric circuit 52, the electric circuit 52 may be disposed on a single face of the microfluidic cartridge 52 such that the microfluidic die 51 and the electrical contacts 60 are disposed on the same face.
With reference to Figs. 1 and 6-8, the microfluidic cartridge 10 may also comprise one or more cartridge connectors 36 to provide mechanical connection between the microfluidic cartridge 10 and the housing. A cartridge connector 36 on the microfluidic cartridge 10 may connect with or mate with a corresponding housing connector on the housing. For example, the cartridge connectors 36 may be configured as female connectors, such as openings that are configured to mate with one or more male connectors such as projections or guideposts, on the housing. Or, the cartridge connector 36 may be configured as a male connector may include one or more projections, such as guideposts, that are configured to mate with one or more female connectors such as openings on the housing. The mechanical connection between the microfluidic cartridge and the housing may help to properly align and secure the microfluidic cartridge in the housing to provide a robust electrical connection between the microfluidic cartridge and the housing.
With reference to Figs. 6-8, a microfluidic cartridge 10 may be configured to be releasably 5 connectable with a housing 46 of a microfluidic delivery device 44. The housing 46 may be connected with a power source 48. The housing 46 may include a receptacle 64 having an opening 66 for receiving the microfluidic cartridge 10. The receptacle 64 may receive a portion of the microfluidic cartridge 10 or the microfluidic cartridge 10 may be completely disposed within the receptacle 64. The receptacle 64 of the housing 46 may include electrical contacts 68 that are 10 configured to electrically connect with the electrical contacts 60 of the microfluidic cartridge 10.
The receptacle 64 may include one or more housing connectors 38 configured to be received by the one or more cartridge connectors 36 of the microfluidic cartridge 10. The housing connectors 38 may be in the form of male connectors or female connectors. For example, if the cartridge connectors 36 are configured as female connectors, the housing connectors 38 may be configured 15 as male connectors, or vice versa. The housing connectors 38 and cartridge connectors 36 may be sized and shaped to mate with each other for a sufficient mechanical and electrical connection to occur.
The housing 46 may include a faceplate 47 disposed on a front side of the housing 46. The housing 46 may also include a fluid outlet 74 for releasing the fluid composition from the microfluidic 20 cartridge 10 into the air. The housing 46 may include an air outlet 76 for directing air toward the dispensed fluid composition upward and/or outward into the surrounding space.
The fluid outlet 74 and the air outlet 76 may be disposed in the faceplate 47.
With reference to Figs. 1 and 8, the cartridge connectors 36 and the housing connectors 38 may be used to align, secure, and limit movement of the microfluidic cartridge 10 relative to the housing
Individual nozzles 126 may have of a diameter typically about 0.0024 inches (5-50 microns). The flow rate of fluid composition released from the microfluidic die 51 could be in the range of about 5 to about 70 mg/hour or any other suitable rate or range.
With reference to Figs. 1 and 3, the microfluidic cartridge 10 comprises an electric circuit 52. The electric circuit 52 may be in the form of a flexible circuit, semi-flexible circuit having rigid and flexible portions, and rigid circuit boards. The electric circuit 52 may include a first end portion 54, a second end portion 56, and a central portion 58 separating the first and second end portions 54 and 56, respectively. The first end portion 54 of the electric circuit 52 may include electrical contacts 60 for connecting with the electrical contacts of the housing of a microfluidic delivery device. The second end portion 56 of the electric circuit 52 may be in electrical communication with the microfluidic die 51.
In the case of a flexible or semi-flexible electric circuit 52, the electric circuit 52 may be disposed on and span two faces of the microfluidic cartridge 10. For example, with reference to Figs. 1 and 3, for illustrative purposes only, the first end portion 54 of the electric circuit 52 may be disposed on the first face 26 of the microfluidic cartridge 10, the second end portion 56 of the electric circuit 52 may be disposed on the second face 28 of the microfluidic cartridge 10, and the central portion 58 of the electric circuit 52 may span the first and second faces 26 and 28, respectively, of the microfluidic cartridge 10.
In the case of a rigid electric circuit 52, the electric circuit 52 may be disposed on a single face of the microfluidic cartridge 52 such that the microfluidic die 51 and the electrical contacts 60 are disposed on the same face.
With reference to Figs. 1 and 6-8, the microfluidic cartridge 10 may also comprise one or more cartridge connectors 36 to provide mechanical connection between the microfluidic cartridge 10 and the housing. A cartridge connector 36 on the microfluidic cartridge 10 may connect with or mate with a corresponding housing connector on the housing. For example, the cartridge connectors 36 may be configured as female connectors, such as openings that are configured to mate with one or more male connectors such as projections or guideposts, on the housing. Or, the cartridge connector 36 may be configured as a male connector may include one or more projections, such as guideposts, that are configured to mate with one or more female connectors such as openings on the housing. The mechanical connection between the microfluidic cartridge and the housing may help to properly align and secure the microfluidic cartridge in the housing to provide a robust electrical connection between the microfluidic cartridge and the housing.
With reference to Figs. 6-8, a microfluidic cartridge 10 may be configured to be releasably 5 connectable with a housing 46 of a microfluidic delivery device 44. The housing 46 may be connected with a power source 48. The housing 46 may include a receptacle 64 having an opening 66 for receiving the microfluidic cartridge 10. The receptacle 64 may receive a portion of the microfluidic cartridge 10 or the microfluidic cartridge 10 may be completely disposed within the receptacle 64. The receptacle 64 of the housing 46 may include electrical contacts 68 that are 10 configured to electrically connect with the electrical contacts 60 of the microfluidic cartridge 10.
The receptacle 64 may include one or more housing connectors 38 configured to be received by the one or more cartridge connectors 36 of the microfluidic cartridge 10. The housing connectors 38 may be in the form of male connectors or female connectors. For example, if the cartridge connectors 36 are configured as female connectors, the housing connectors 38 may be configured 15 as male connectors, or vice versa. The housing connectors 38 and cartridge connectors 36 may be sized and shaped to mate with each other for a sufficient mechanical and electrical connection to occur.
The housing 46 may include a faceplate 47 disposed on a front side of the housing 46. The housing 46 may also include a fluid outlet 74 for releasing the fluid composition from the microfluidic 20 cartridge 10 into the air. The housing 46 may include an air outlet 76 for directing air toward the dispensed fluid composition upward and/or outward into the surrounding space.
The fluid outlet 74 and the air outlet 76 may be disposed in the faceplate 47.
With reference to Figs. 1 and 8, the cartridge connectors 36 and the housing connectors 38 may be used to align, secure, and limit movement of the microfluidic cartridge 10 relative to the housing
25 of a microfluidic delivery device 44 to establish a strong electrical connection between the microfluidic cartridge 10 and the housing. The cartridge connectors 36 and the housing connectors 38 may be designed to provide either macro or micro alignment of the microfluidic cartridge 10.
Mating the cartridge connectors 36 with the housing connectors 38 may prevent movement of the microfluidic cartridge 10 relative to the housing 46 of the microfluidic delivery device 44 in the X
and Y-directions.
Mating the cartridge connectors 36 with the housing connectors 38 may prevent movement of the microfluidic cartridge 10 relative to the housing 46 of the microfluidic delivery device 44 in the X
and Y-directions.
26 With reference to Fig. 8, the microfluidic cartridge 10 may be spring-loaded with the housing 46 in order to provide a robust electrical connection between the microfluidic cartridge 10. The microfluidic cartridge 10 may have a release button to release the microfluidic cartridge 10 from the housing 46. Or, the microfluidic cartridge 10 may be pushed toward the housing 46 to engage and/or disengage the microfluidic cartridge 10 from the housing 46. The microfluidic cartridge 10 may engage with a fastener 102 or clip to connect the microfluidic cartridge 10 into the housing 46.
The receptacle 64 may include one or more guiderails for directing the microfluidic cartridge 10 into the receptacle 64.
The microfluidic delivery device may be configured to be compact and easily portable. In such case, the microfluidic delivery device may be battery operated. The microfluidic delivery device may be capable for use with electrical sources as 9-volt batteries, conventional dry cells such as "A", "AA", "AAA", "C", and "D" cells, button cells, watch batteries, solar cells, as well as rechargeable batteries with recharging base.
The microfluidic delivery device may include a fan for generating air flow to assist with delivering the fluid composition into the air. Any fan may be used that provides the desired air flow velocity, size, and power requirements for the microfluidic delivery device. The fan may be used to push the fluid composition further into the air and/or may be used to direct the fluid composition in a different direction than the fluid composition is dispensed from the microfluidic die. The fan may be disposed in the interior of the housing or at least partially in the interior of the housing, or at the exterior of the housing. The fan may also be used to direct air over the microfluidic die 51 to minimize the amount of fluid composition that is deposited back onto the microfluidic die 51.
The microfluidic die 92 may be controlled and driven by an external microcontroller or microprocessor. The external microcontroller or microprocessor may be provided in the housing.
Method of Atomizing a Freshening Composition A method of atomizing a fluid composition may include heating the fluid composition with a thermal actuator and atomizing the heated composition from a nozzle in a direction that is from 0 degrees to 90 degrees from the direction of action of gravity. Heating the fluid composition may be accomplished with a thermally-actuated microfluidic die.
The receptacle 64 may include one or more guiderails for directing the microfluidic cartridge 10 into the receptacle 64.
The microfluidic delivery device may be configured to be compact and easily portable. In such case, the microfluidic delivery device may be battery operated. The microfluidic delivery device may be capable for use with electrical sources as 9-volt batteries, conventional dry cells such as "A", "AA", "AAA", "C", and "D" cells, button cells, watch batteries, solar cells, as well as rechargeable batteries with recharging base.
The microfluidic delivery device may include a fan for generating air flow to assist with delivering the fluid composition into the air. Any fan may be used that provides the desired air flow velocity, size, and power requirements for the microfluidic delivery device. The fan may be used to push the fluid composition further into the air and/or may be used to direct the fluid composition in a different direction than the fluid composition is dispensed from the microfluidic die. The fan may be disposed in the interior of the housing or at least partially in the interior of the housing, or at the exterior of the housing. The fan may also be used to direct air over the microfluidic die 51 to minimize the amount of fluid composition that is deposited back onto the microfluidic die 51.
The microfluidic die 92 may be controlled and driven by an external microcontroller or microprocessor. The external microcontroller or microprocessor may be provided in the housing.
Method of Atomizing a Freshening Composition A method of atomizing a fluid composition may include heating the fluid composition with a thermal actuator and atomizing the heated composition from a nozzle in a direction that is from 0 degrees to 90 degrees from the direction of action of gravity. Heating the fluid composition may be accomplished with a thermally-actuated microfluidic die.
27 The microfluidic delivery device and method of delivering a freshening composition may be used to deliver a fluid composition into the air. The microfluidic delivery device may also be used to deliver a fluid composition into the air for ultimate deposition on one or more surfaces in a space.
Exemplary surfaces include hard surfaces such as counters, appliances, floors, and the like.
Exemplary surfaces also include carpets, furniture, clothing, bedding, linens, curtains, and the like.
The microfluidic delivery device may be used in homes, offices, businesses, open spaces, cars, temporary spaces, and the like. The microfluidic delivery device may be used for freshening, malodor removal, insect repellant, and the like.
EXAMPLES
To evaluate performance of solubilizer on nozzle blockage or gel reduction, a fluid composition comprising 25% by weight of each solubilizer in Table 4 below is combined with 75% of the Perfume Mixture described in Table 5 below. The fluid compositions were allowed to mix for about an hour, then were inserted into a microfluidic cartridge using a vacuum filler. Filled microfluidic cartridges were placed in electrical fixtures capable of firing the microfluidic cartridges at regular intervals for approximately 14 days, or until the fluid composition was exhausted. The operating conditions for each sample were the same and are summarized as follows: the substrate of the microfluidic die was preheated to 30 C
immediately prior to ejecting droplets, each of the 32 thermal actuators was operated at 1000 Hz firing frequency, the firing energy is approximately 8% over the minimum energy required to fire a droplet, and each thermal actuator is fired 550 times every 10 seconds. The minimum required firing energy was determined by the fixture using an algorithm that estimates the onset of jetting from the thermal response of the microfluidic die. Visual images of the die were captured daily using a Keyence digital microscope at 500X magnification (Lens:VH-Z100R/W/T). Weights of each filled microfluidic cartridge were also recorded prior to filling, after filling, and with daily evaluations to track average dispensing rate per hour and any nozzle blockage.
Results of nozzle deposition/solidified liquid and nozzle blockage for each composition after 14 days is depicted in Table 6 below using the visual scale in Figure 9.
Note that all samples were run under the same conditions, using the equivalent parameters to ensure accurate comparisons of solubilizer efficacy Table 4. Solubilizers
Exemplary surfaces include hard surfaces such as counters, appliances, floors, and the like.
Exemplary surfaces also include carpets, furniture, clothing, bedding, linens, curtains, and the like.
The microfluidic delivery device may be used in homes, offices, businesses, open spaces, cars, temporary spaces, and the like. The microfluidic delivery device may be used for freshening, malodor removal, insect repellant, and the like.
EXAMPLES
To evaluate performance of solubilizer on nozzle blockage or gel reduction, a fluid composition comprising 25% by weight of each solubilizer in Table 4 below is combined with 75% of the Perfume Mixture described in Table 5 below. The fluid compositions were allowed to mix for about an hour, then were inserted into a microfluidic cartridge using a vacuum filler. Filled microfluidic cartridges were placed in electrical fixtures capable of firing the microfluidic cartridges at regular intervals for approximately 14 days, or until the fluid composition was exhausted. The operating conditions for each sample were the same and are summarized as follows: the substrate of the microfluidic die was preheated to 30 C
immediately prior to ejecting droplets, each of the 32 thermal actuators was operated at 1000 Hz firing frequency, the firing energy is approximately 8% over the minimum energy required to fire a droplet, and each thermal actuator is fired 550 times every 10 seconds. The minimum required firing energy was determined by the fixture using an algorithm that estimates the onset of jetting from the thermal response of the microfluidic die. Visual images of the die were captured daily using a Keyence digital microscope at 500X magnification (Lens:VH-Z100R/W/T). Weights of each filled microfluidic cartridge were also recorded prior to filling, after filling, and with daily evaluations to track average dispensing rate per hour and any nozzle blockage.
Results of nozzle deposition/solidified liquid and nozzle blockage for each composition after 14 days is depicted in Table 6 below using the visual scale in Figure 9.
Note that all samples were run under the same conditions, using the equivalent parameters to ensure accurate comparisons of solubilizer efficacy Table 4. Solubilizers
28 Solubilizer CAS No. Hansen Hansen Hansen VP ClogP
dispersive polarity hydrogen- (Pa) parameter parameter bonding (6) (p) parameter (6h) Dipropylene 25265- 16.8 7.9 15.8 1.31 -0.62 Glycol 71-8 Eugenol 97-53-0 19 7.5 13 1.33 2.48 Dipropylene 29911- 15.6 6.1 11 0.75 0.86 Glycol N- 27-1 Propyl Ether Dipropylene 34590- 16.23 6.44 9.86 9.1 0.05 Glycol Methyl 94-8 Ether Benzyl 100-51-6 18.4 6.3 13.7 2.13 1.21 Alcohol Propylene 57-55-6 16.8 10.4 21.3 17.3 -1.02 Glycol Phenyl Ethyl 60-12-8 18.30 5.60 11.20 9.88 1.50 Alcohol Undecalactone 104-67-6 16.36 9.2 4.2 0.36 3.18 Dihydro 18479- 16 3.44 6.4 22.7 3.09 Myrcenol 58-8 Undecavertol 81782- 16.35 3.38 7.50 1.43 3.97 Linalool 78-70-6 16.76 2.89 6.94 12.1 3.29 Ethanol 64-17-5 15.80 8.80 19.40 5892 -0.18 Dipropylene 88917- 16.3 4.9 8 9.1 0.65 Glycol Methyl 22-0 Ether Acetate Ethyl Aceto 141-97-9 16.5 7.3 8.3 50.6 0.89 Acetate Table 5. Perfume Mixture CAS Generic Name Weight %
928-96-1 Beta Gamma Hexenol 4.44 121-32-4 Ethyl Vanillin 4.44 140-11-4 Benzyl Acetate 4.44 3681-71-8 Cis 3 Hexenyl Acetate 4.44 39255-32-8 Ethyl 2 Methyl Pentanoate 4.44 488-10-8 Cis Jasmone 4.44 24851-98-7 Methyl Dihydro Jasmonate 4.44 18479-58-8 Dihydro Myrcenol 4.44 106-72-9 Melonal 4.48 78-70-6 Linalool 4.44 Dimethyl Benzyl Carbinyl 151-05-3 Acetate 4.44
dispersive polarity hydrogen- (Pa) parameter parameter bonding (6) (p) parameter (6h) Dipropylene 25265- 16.8 7.9 15.8 1.31 -0.62 Glycol 71-8 Eugenol 97-53-0 19 7.5 13 1.33 2.48 Dipropylene 29911- 15.6 6.1 11 0.75 0.86 Glycol N- 27-1 Propyl Ether Dipropylene 34590- 16.23 6.44 9.86 9.1 0.05 Glycol Methyl 94-8 Ether Benzyl 100-51-6 18.4 6.3 13.7 2.13 1.21 Alcohol Propylene 57-55-6 16.8 10.4 21.3 17.3 -1.02 Glycol Phenyl Ethyl 60-12-8 18.30 5.60 11.20 9.88 1.50 Alcohol Undecalactone 104-67-6 16.36 9.2 4.2 0.36 3.18 Dihydro 18479- 16 3.44 6.4 22.7 3.09 Myrcenol 58-8 Undecavertol 81782- 16.35 3.38 7.50 1.43 3.97 Linalool 78-70-6 16.76 2.89 6.94 12.1 3.29 Ethanol 64-17-5 15.80 8.80 19.40 5892 -0.18 Dipropylene 88917- 16.3 4.9 8 9.1 0.65 Glycol Methyl 22-0 Ether Acetate Ethyl Aceto 141-97-9 16.5 7.3 8.3 50.6 0.89 Acetate Table 5. Perfume Mixture CAS Generic Name Weight %
928-96-1 Beta Gamma Hexenol 4.44 121-32-4 Ethyl Vanillin 4.44 140-11-4 Benzyl Acetate 4.44 3681-71-8 Cis 3 Hexenyl Acetate 4.44 39255-32-8 Ethyl 2 Methyl Pentanoate 4.44 488-10-8 Cis Jasmone 4.44 24851-98-7 Methyl Dihydro Jasmonate 4.44 18479-58-8 Dihydro Myrcenol 4.44 106-72-9 Melonal 4.48 78-70-6 Linalool 4.44 Dimethyl Benzyl Carbinyl 151-05-3 Acetate 4.44
29 105-95-3 Ethylene Brassylate 4.44 14901-07-6 Ionone Beta 4.44 61792-11-8 Lemonile 4.44 115-95-7 Linalyl Acetate 4.44 81782-77-6 Undecavertol 4.44 300371-33-9 Neo Hivernal 4.44 22471-55-2 Thesaron 4.44 3738-00-9 Cetalox 4.44 141773-73-1 Helvetoli de 4.44 Orange Terpenes 4.44 57-55-6 Propylene Glycol 6.67 Total 100 Table 6. Evaluation Results Example Composition Grade Scale 25 wt. % Dipropylene Glycol and 75 5 wt. % Perfume Mixture of Table 5 25 wt. % Eugenol and 75 wt. % 5 Perfume Mixture of Table 5 25 wt. % Dipropylene Glycol N-Propyl 4 Ether and 75 wt. % Perfume Mixture of Table 5 25 wt. % Dipropylene Glycol Methyl 4 Ether and 75 wt. % Perfume Mixture of Table 5 25 wt. % Benzyl Alcohol and 75 wt. % 3 Perfume Mixture of Table 5 25 wt. % Propylene Glycol and 75 wt. 3 % Perfume Mixture of Table 5 25 wt. % Phenyl Ethyl Alcohol and 75 3 wt. % Perfume Mixture of Table 5 25 wt. % Undecalactone and 75 wt. % 2 Perfume Mixture of Table 5 25 wt. % Dihydro Myrcenol and 75 2 wt. % Perfume Mixture of Table 5 25 wt. % Undecavertol and 75 wt. % 2 Perfume Mixture of Table 5 25 wt. % Linalool and 75 wt. % 2 Perfume Mixture of Table 5 25 wt. % Ethanol and 75 wt. % 2 Perfume Mixture of Table 5 25 wt. % Dipropylene Glycol Methyl 1 Ether Acetate and 75 wt. % Perfume Mixture of Table 5 25 wt. % Ethyl Aceto Acetate and 75 1 wt. % Perfume Mixture of Table 5 CONTROL: 100% Perfume Mixture of 1 Table 5 The dimensions and values disclosed herein are not to be understood as being strictly limited to the exact numerical values recited. Instead, unless otherwise specified, each such dimension is intended to mean both the recited value and a functionally equivalent range surrounding that value.
For example, a dimension disclosed as "40 mm" is intended to mean "about 40 mm."
It should be understood that every maximum numerical limitation given throughout this specification will include every lower numerical limitation, as if such lower numerical limitations were expressly written herein. Every minimum numerical limitation given throughout this specification will include every higher numerical limitation, as if such higher numerical limitations were expressly written herein. Every numerical range given throughout this specification will include every narrower numerical range that falls within such broader numerical range, as if such narrower numerical ranges were all expressly written herein.
Every document cited herein, including any cross referenced or related patent or application and .. any patent application or patent to which this application claims priority or benefit thereof, is hereby incorporated herein by reference in its entirety unless expressly excluded or otherwise limited. The citation of any document is not an admission that it is prior art with respect to any invention disclosed or claimed herein or that it alone, or in any combination with any other reference or references, teaches, suggests or discloses any such invention.
Further, to the extent that any meaning or definition of a term in this document conflicts with any meaning or definition of the same term in a document incorporated by reference, the meaning or definition assigned to that term in this document shall govern.
While particular embodiments of the present invention have been illustrated and described, it would be obvious to those skilled in the art that various other changes and modifications can be made without departing from the spirit and scope of the invention. It is therefore intended to cover in the appended claims all such changes and modifications that are within the scope of this invention.
For example, a dimension disclosed as "40 mm" is intended to mean "about 40 mm."
It should be understood that every maximum numerical limitation given throughout this specification will include every lower numerical limitation, as if such lower numerical limitations were expressly written herein. Every minimum numerical limitation given throughout this specification will include every higher numerical limitation, as if such higher numerical limitations were expressly written herein. Every numerical range given throughout this specification will include every narrower numerical range that falls within such broader numerical range, as if such narrower numerical ranges were all expressly written herein.
Every document cited herein, including any cross referenced or related patent or application and .. any patent application or patent to which this application claims priority or benefit thereof, is hereby incorporated herein by reference in its entirety unless expressly excluded or otherwise limited. The citation of any document is not an admission that it is prior art with respect to any invention disclosed or claimed herein or that it alone, or in any combination with any other reference or references, teaches, suggests or discloses any such invention.
Further, to the extent that any meaning or definition of a term in this document conflicts with any meaning or definition of the same term in a document incorporated by reference, the meaning or definition assigned to that term in this document shall govern.
While particular embodiments of the present invention have been illustrated and described, it would be obvious to those skilled in the art that various other changes and modifications can be made without departing from the spirit and scope of the invention. It is therefore intended to cover in the appended claims all such changes and modifications that are within the scope of this invention.
Claims (12)
1. A microfluidic cartridge releasably connectable with a housing, wherein the cartridge comprises a reservoir for containing a fluid composition and microfluidic die in fluid communication with the reservoir, wherein the composition comprises greater than 5 wt. % of solubilizing materials that are liquid at 20 C, the solubilizing materials each having:
a Hansen polarity parameter (p) of greater than 5 MPO-5;
a Hansen hydrogen-bonding parameter (h) of greater than 9 MPa"; and a vapor pressure of less than 267 Pa, measured at 25 C, wherein the composition comprises less than 22 wt.% benzyl alcohol.
a Hansen polarity parameter (p) of greater than 5 MPO-5;
a Hansen hydrogen-bonding parameter (h) of greater than 9 MPa"; and a vapor pressure of less than 267 Pa, measured at 25 C, wherein the composition comprises less than 22 wt.% benzyl alcohol.
2. The cartridge of claim 1, wherein the composition comprises from 5 wt. %
to 25 wt. % of the solubilizing materials, by weight of the total composition.
to 25 wt. % of the solubilizing materials, by weight of the total composition.
3. The cartridge of any of the preceding claims, wherein the vapor pressure is less than or equal to 134 Pa measured at 25 C.
4. The cartridge of any of the preceding claims, wherein the vapor pressure is less than or equal to 34 Pa, measured at 25 C.
5. The cartridge of any of the preceding claims, wherein the solubilizing materials are selected from the group consisting of: phenylmethanol; 2-(2-hydroxypropoxy)propan- 1 -ol ; propane-1,2-di ol ; 1-((1-propoxypropan-2-yl)oxy)propan-2-ol; 1-(2-methoxypropoxy)propan-2-ol; 4-ally1-2-methoxyphenol; 2-phenylethan-1-01; and combinations thereof.
6. The cartridge of any of the preceding claims, wherein the composition comprises a CLogP
less than 3.5.
less than 3.5.
7. A method of j etting a composition, the method comprising the steps of:
providing a composition, the composition comprising greater than 5 wt. % of solubilizing materials that are liquid at 20 C, the solubilizing materials each having:
a Hansen polarity parameter (p) of greater than 5 MPa";
a Hansen hydrogen-bonding parameter (h) of greater than 9 MPO-5; and a vapor pressure of less than 267 Pa;
heating the composition with a thermal actuator;
atomizing the heated composition from a nozzle in a direction that is from 0 degrees to 90 degrees from the direction of gravitational force.
providing a composition, the composition comprising greater than 5 wt. % of solubilizing materials that are liquid at 20 C, the solubilizing materials each having:
a Hansen polarity parameter (p) of greater than 5 MPa";
a Hansen hydrogen-bonding parameter (h) of greater than 9 MPO-5; and a vapor pressure of less than 267 Pa;
heating the composition with a thermal actuator;
atomizing the heated composition from a nozzle in a direction that is from 0 degrees to 90 degrees from the direction of gravitational force.
8. The method of claim 7, wherein the step of atomizing the heated composition further comprises atomizing the heated composition from a nozzle of a microfluidic delivery member, the microfluidic delivery member comprising a silicon semiconductor substrate containing a plurality of heater resistors, at least one fluid chamber associated with each heater resistor, and at least one nozzle associated with each fluid chamber.
9. The method of claim 7 or claim 8, wherein the composition comprises from 5 wt. % to 25 wt. % of the solubilizing materials, by weight of the total composition.
10. The method of any of claims 7 through 9, wherein the vapor pressure is less than or equal to 137 Pa, measured at 25 C.
11. The method of any of claims 7 through 10, wherein the Hansen polarity parameter (6p) is greater than 7 MPa"; and the Hansen hydrogen-bonding parameter (6h) is greater than 10 MPa", and the vapor pressure is less than or equal to 17 Pa, measured at 25 C.
12. The method of any of claims 7 through 11, wherein the solubilizing materials are selected from the group consisting of: phenylmethanol; 2-(2-hydroxypropoxy)propan-1-ol ; propane-1,2-di ol ; 1-((1-propoxypropan-2-yl)oxy)propan-2-ol; 1-(2-methoxypropoxy)propan-2-ol; 4-ally1-2-methoxyphenol; 2-phenyl ethan-l-ol ; and combinations thereof.
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PCT/US2020/070270 WO2021011958A1 (en) | 2019-07-17 | 2020-07-15 | Freshening compositions and methods of atomizing freshening compositions with a thermally-actuated microfluidic cartridge |
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DE69722223T2 (en) * | 1996-08-19 | 2004-03-18 | The Procter & Gamble Company, Cincinnati | SOFT DETERGENT COMPOSITION AND APPLICATION METHOD FOR THE RELEASE OF FRAGRANT DERIVATIVES |
AR032361A1 (en) * | 2000-08-05 | 2003-11-05 | Glaxo Group Ltd | DERIVATIVES OF ANDROSTAN AND SALTS AND SOLVATOS OF THE SAME, ITS USE FOR THE MANUFACTURE OF MEDICINES, PHARMACEUTICAL COMPOSITIONS THAT INCLUDE SUCH COMPOUNDS, PROCESS FOR THE PREPARATION OF SUCH COMPOUNDS, AND USEFUL INTERMEDIARIES IN THE PREPARATION OF SUCH COMPOUNDS |
DE10114510A1 (en) * | 2001-03-23 | 2002-09-26 | Haarmann & Reimer Gmbh | Fatty acid alkyl esters with total of 15-20C are used for adjusting viscosity of perfume compositions to make them suitable for piezoelectrically-controlled discharge |
WO2002089862A2 (en) * | 2001-05-04 | 2002-11-14 | The Procter & Gamble Company | Air freshening compositions, articles comprising same and methods for preparing same |
JP2003113392A (en) * | 2001-10-04 | 2003-04-18 | Kiyomitsu Kawasaki | Perfuming/deodorizing composition and perfuming/ deodorizing agent for human body containing the perfuming/deodorizing composition |
US20040223943A1 (en) | 2003-05-05 | 2004-11-11 | The Procter & Gamble Company | Air freshener |
JP2006061551A (en) | 2004-08-30 | 2006-03-09 | Canon Semiconductor Equipment Inc | Fragrance generator |
JP2008073856A (en) | 2006-09-19 | 2008-04-03 | Ricoh Co Ltd | Liquid container, liquid droplet delivering apparatus, and image forming apparatus |
US20150217015A1 (en) * | 2014-02-04 | 2015-08-06 | The Procter & Gamble Company | Long lasting freshening compositions |
US9211356B2 (en) | 2014-03-18 | 2015-12-15 | The Procter & Gamble Company | Ink jet delivery system comprising an improved fluid mixture |
GB201520246D0 (en) * | 2015-11-17 | 2015-12-30 | Givaudan Sa | Perfume compositions |
US20170274110A1 (en) * | 2016-03-28 | 2017-09-28 | The Procter & Gamble Company | Long lasting freshening products and method of freshening the air |
GB201615581D0 (en) * | 2016-09-14 | 2016-10-26 | Givauden Sa | Improvements in or relating to organic compounds |
US10149917B2 (en) | 2016-11-22 | 2018-12-11 | The Procter & Gamble Company | Fluid composition and a microfluidic delivery cartridge comprising the same |
US11691162B2 (en) * | 2017-04-10 | 2023-07-04 | The Procter & Gamble Company | Microfluidic delivery cartridge for use with a microfluidic delivery device |
US10314934B2 (en) * | 2017-06-26 | 2019-06-11 | The Procter & Gamble Company | System and method for dispensing material |
US10322202B1 (en) * | 2018-05-15 | 2019-06-18 | The Procter & Gamble Company | Microfluidic cartridge and microfluidic delivery device comprising the same |
-
2020
- 2020-07-15 CA CA3145900A patent/CA3145900A1/en active Pending
- 2020-07-15 CN CN202080045900.1A patent/CN114007660A/en active Pending
- 2020-07-15 EP EP20750152.9A patent/EP3999125A1/en active Pending
- 2020-07-15 WO PCT/US2020/070270 patent/WO2021011958A1/en unknown
- 2020-07-15 JP JP2021572631A patent/JP7464628B2/en active Active
Also Published As
Publication number | Publication date |
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WO2021011958A1 (en) | 2021-01-21 |
EP3999125A1 (en) | 2022-05-25 |
CN114007660A (en) | 2022-02-01 |
JP7464628B2 (en) | 2024-04-09 |
JP2022536316A (en) | 2022-08-15 |
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