Animal litter

Abstract

An animal litter comprising (a) an animal litter base and (b) a particulate absorbent substrate to which a fragrance is added, said fragrance being characterized in that (a) the weight proportions of a front flavor, a middle flavor and a base flavor are respectively 35-80, 10-40 and 5-25%; (b) components having a ClogP value of less than 1.5 make up a maximum of 3% of a fragrance; and (c) substantially no aqueous miscible solvent. The dunnage is resistant to heating steps typically used in dunnage preparation and provides a non-reduced malodor counteracting effect.

Description

[0001] This disclosure relates to animal bedding and its preparation methods.

[0002] Animal bedding, particularly for cats, is well-known and commonly available. Its purpose is to absorb urine and fecal matter. Therefore, bedding consists of a suitable absorbent matrix, typically based on porous cellulose or mineral (usually clay) materials. Ideally, bedding should also mask the unpleasant odor of animal excrement, especially if the bedding remains unchanged over a period of time. A conventional method to achieve this is by adding a fragrance to the matrix. This can be done simply by adding a fragrance to the basic matrix material, or it can be achieved through more complex encapsulation methods, such as those described in international publications WO 2006 / 105680 and WO 2023 / 030855.

[0003] In some methods of preparing bedding materials involving extrusion and granulation, the raw materials are mixed with water (approximately 10% by weight of the total mixture) to aid extrusion. This water must then be substantially removed, which involves heating the granulated material. This presents the problem of removing not only water but also a significant proportion of the fragrance, thus reducing the effectiveness of the bedding material. Relatively few bedding compositions can effectively handle this.

[0004] It has been found that acceptable levels of odor-counteracting performance can be achieved through specific formulations. Therefore, the present invention provides an animal bedding material comprising (a) an animal bedding base and (b) a particulate absorbent matrix in which a fragrance is incorporated, said fragrance being characterized in that (a) the weight proportions of top notes, middle notes, and base notes are 35-80%, 10-40%, and 5-25%, respectively; (b) a component with a ClogP value less than 1.5 constitutes up to 3% of the fragrance; and (c) it is substantially free of an aqueous miscible solvent.

[0005] Another method is provided for preparing animal bedding containing an odor-counteracting fragrance, the method comprising the steps of: mixing the components, adding sufficient water to allow extrusion, extruding and granulating the mixture, and then drying the granules, characterized in that the fragrance is added in the form of a particulate matrix in which the fragrance is absorbed, and the fragrance is as defined above.

[0006] In a specific implementation, the top, middle, and base notes are expressed in weight proportions of 40-70%, 15-35%, and 8-20%, more particularly 45-60%, 25-35%, and 10-20%, and more particularly 50-60%, 25-30%, and 10-15%.

[0007] "Animal bedding substrate" refers to the base absorbent material used to absorb waste. It is typically a cellulose or mineral material, such as tofu, wood pellets, cellulose materials (e.g., paper), and absorbent minerals (e.g., bentonite).

[0008] Before the fragrance is added to the bedding substrate, the particulate absorbent matrix in which the fragrance is absorbed can be any suitable particulate material capable of absorbing the fragrance. Non-limiting examples include maltodextrin, calcium carbonate, β-cyclodextrin, bentonite, talc, and modified starches such as Hi-Cap. TM 100, Sodium sulfate, sodium octenyl succinate starch, such as Capsul TM E. Pyrolytic silica, such as Aerosil TM 200, and mixtures thereof. Specific examples are talc and β-cyclodextrin.

[0009] The term ClogP refers to the calculated logarithm of the octanol / water partition coefficient and is a commonly used parameter in the fragrance industry. Many methods exist for calculating ClogP values; the method used in this disclosure is based on the method employed by Daylight Chemical Information Systems, Inc. (USA), and is described at https: / / www.daylight.com / dayhtml / doc / clogp / .

[0010] The terms "top, middle, and base notes" are well-known to fragrance manufacturers and reflect the volatility of fragrance components. In typical fragrances, the weight proportions of top, middle, and base notes are 15-25%, 30-50%, and 30-50%, respectively. While these proportions are not rigid barriers and can function externally, depending on the desired olfactory characteristics, it is generally known that moving too far externally will result in an unbalanced formulation that fails to deliver the desired olfactory effect. In the context of this application disclosure, combinations formulated essentially outside these generally acceptable limits with specified ClopP parameters and absorbed into a particulate matrix deliver highly beneficial results for that particular application.

[0011] Top note fragrance ingredients may include, but are not limited to: allyl heptaate (e.g., allyl heptaate), (Z)-hex-3-en-1-ylmethyl carbonate (e.g., LIFFAROME). TM ), amyl butyrate (e.g., amyl butyrate), 2,6-dimethylhept-5-enal (e.g., melonal) TM); 3-methylbutyl butyrate (e.g., isopentyl butyrate), benzaldehyde, (4S)-4,7,7-trimethyl-6-thiabicyclo[3.2.1]octane (e.g., CORPS PAMPLEMOUSSE), hexyl acetate (e.g., C6 hexyl acetate), (Z)-hex-3-en-1-yl acetate (e.g., cis-3-hexenyl acetate), 4-methylpent-4-en-2-yl 2-methylpropionate (e.g., isovalerate); 2-methyl-4-propyl-1,3-oxothiacyclohexane (e.g., OXANE) TM ), 3-methylbut-2-en-1-yl acetate (e.g., isoprene acetate), 6-methylhept-3-one (e.g., ethyl isopentyl ketone), ethyl 2-methylvalerate (e.g., MANZANATE) TM ); hepta-2-one (e.g., methylpentyl ketone), 3-methylbutyl acetate (e.g., isoamyl acetate), ethyl 2-methylbutyrate (e.g., ethyl methyl-2-butyrate) and ethyl butyrate (e.g., ethyl butyrate); decanal (e.g., C10 decanal), (E)-decenal-4-enal (e.g., decenal-4-trans), 3,7-dimethyloct-6-enal (e.g., citronellal), 1-phenylethanethiol (e.g., ANJERUK) TM ), 6,6-dimethoxy-2,5,5-trimethylhex-2-ene (e.g., methyl PAMPLEMOUSSE), nonanal (e.g., C9 nonanal), 4,7-dimethyloct-6-en-3-one (e.g., dimethyl octenone), octanal (e.g., C8 octanal); 3,5,5-trimethylhexanal (e.g., C9 isononal); 1-methyl-4-(prop-1-en-2-yl)cyclohex-1-ene (e.g., dipentene, limonene), 1-methyl-4-(prop-2-idel)cyclohex-1-ene (e.g., terpinene), heptanal (e.g., C7 heptanal); (3E,5Z)-undec-1,3,5-triene (e.g., undecanetriene), (2E,6Z)-non-2,6-dienal (e.g., nonadienal) TM ); 2,4-Dimethylcyclohexyl-3-enecarboxaldehyde (e.g., tricyclic aldehyde), 4-vinylcyclohexyl-1-enecarboxaldehyde (e.g., shisolia) TM ), 2,4-dimethylcyclohexyl-3-encarbaldehyde (e.g., CYCLAL C) TM), 4-methyl-2-(2-methylprop-1-en-1-yl)tetrahydro-2H-pyran (e.g., ROSE OXIDE CO); (Z)-hex-3-en-1-ol (e.g., cis-3-hexenol), 7-methyl-3-methylene oct-1,6-diene (e.g., myrcene), hex-1-ol (e.g., C6 hexanal); 3,7-dimethyl oct-1,6-dien-3-yl acetate (e.g., linalyl acetate), (2S,4S)-1,7,7-trimethylbicyclo[2.2.1]hept-2-yl acetate (e.g., borneol acetate), 2-(sec-butyl)cyclohexanone (e.g., FRESKOMENTHE) TM (1S,2R,4R)-1,3,3-trimethylbicyclo[2.2.1]hepta-2-ol (e.g., fentanyl alcohol), 2-isopropyl-5-methylcyclohexanone (e.g., isomenthone DL) TM ), (2S)-1,3,3-trimethylbicyclo[2.2.1]hept-2-yl acetate (e.g., romaine acetate), 2,6-dimethyloct-7-en-2-ol (e.g., dilauryl alcohol), (1S,4S)-1,7,7-trimethylbicyclo[2.2.1]hept-2-one (e.g., camphor), 2-isopropyl-5-methylcyclohexanone (e.g., menthone) TM ); 1-Methyl-4-propyl-2-ylcyclohex-1,4-diene (e.g. (e.g., p-cymene); (1S,4S)-1,3,3-trimethyl-2-oxabicyclo[2.2.2]octane (e.g., eucalyptol); 2,2,6-trimethyl-6-vinyltetrahydro-2H-pyran (e.g., Limeton). TM ), 6,6-dimethyl-2-methylenebicyclo[3.1.1]heptane (e.g., β-pinene), 2,6,6-trimethylbicyclo[3.1.1]hept-2-ene (e.g., α-pinene); benzyl acetate (e.g., benzyl acetate); methyl 2-hydroxybenzoate (e.g., methyl salicylate), 3,7-dimethyloct-3-ol (e.g., tetrahydrolinalool), (Z)-3,4,5,6,6-pentamethylhept-3-en-2-one (e.g., KOAVONE) TM ), 2,6-dimethyloct-7-en-2-ol (e.g., dihydromyrcenol), 3,7-dimethyloct-1,6-dien-3-ol (e.g., linalool), 2-(2-hydroxypropyl-2-yl)-5-methylcyclohexanol (e.g., GERANODYLE) TM ); 1-Phenylacetone (e.g., acetophenone), 2,6-dimethylhept-2-ol (e.g., DIMETOL), methyl benzoate (e.g., methyl benzoate), 1-methoxy-4-methylbenzene (e.g., p-tolyl methyl ether), and mixtures thereof.

[0012] In one specific embodiment, at least 50% by weight of the total top fragrance components have a flash point below 150°C and a vapor pressure above 0.2 μg / L. In another specific embodiment, all top fragrance components meet this requirement.

[0013] Middle note fragrance ingredients include, but are not limited to: methyl nonyl-2-ynylene carbonate (e.g., methyl octyryne carbonate), 2-phenylethyl isobutyrate (e.g., phenylethyl isobutyrate), 5-isopropyl-2-methylphenol (e.g., carvacrol), (E)-1-methoxy-4-(prop-1-en-1-yl)benzene (e.g., anethole), and 3,7-dimethyloctyl-1-ol (e.g., PELARGOL). TM (3aS,4S,7R,7aS)-ethyl octahydro-1H-4,7-bridged methylene indene-3a-carboxylate (e.g., FRUITATE) TM (E)-3,7-dimethyloctyl-2,6-dien-1-yl acetate (e.g., geranyl acetate), (Z)-3,7-dimethyloctyl-2,6-dien-1-ol (e.g., NEROLEX) TM ), 3,7-dimethyloctyl-6-en-1-yl formate (e.g., citronellol formate), 2-(2,4-dimethylcyclohexyl)pyridine (e.g., ZINARINE); oxydiphenyl (e.g., diphenyl ether), 2-methylundecaldehyde (e.g., C12 aldehyde MNA), bicyclo[2.2.2]octyl-5-en-2-carboxaldehyde (e.g., MACEAL) TM Acetic acid (3aR,6S,7aS)-3a,4,5,6,7,7a-hexahydro-1H-4,7-bridged methylene indene-6-yl ester (e.g., Jasmacyclene) TM ), (Z)-3,7-dimethyloctyl-2,6-dien-1-yl acetate (e.g., neroli acetate), (E)-1-(2,6,6-trimethylcyclohexyl-1,3-dien-1-yl)but-2-en-1-one (e.g., DAMASCENONE) TM (E)-5-methylhepta-3-one oxime (e.g., STEMONE) TM ), (2-(isopentoxy)ethyl)benzene (e.g., ANTHER), 2-(4-methylcyclohexyl-3-en-1-yl)prop-2-ol (e.g., LINDENOL) TM ), 1-(cyclopropylmethyl)-4-methoxybenzene (e.g., TOSCANOL) TM (Z)-4,11,11-trimethyl-8-methylenebicyclo[7.2.0]undec-4-ene (e.g., CARYOPHYLLENE) TM), 2-phenylethanol (e.g., phenylethanol); components having an equilibrium headspace concentration of 301 μg / L to about 400 μg / L, such as 4-phenylbut-2-one (e.g., benzylacetone), 1-(3,3-dimethylcyclohexyl)ethanol (e.g., CYCLADEMOL). TM ), 2-(2-mercaptopropyl-2-yl)-5-methylcyclohexanone (e.g., CORPS CASSIS), 2-(4-methylcyclohexyl-3-en-1-yl)prop-2-ol (e.g., TERPINEOL) TM ), 2-(tert-amyl)cyclohexyl acetate (e.g., CONIFERAN) TM ), 2,4,6-trimethyl-4-phenyl-1,3-dioxane (e.g., FLOROPAL) TM ), 3,7-dimethyl-oct-6-en-1-yl acetate (e.g., citronellol acetate), 2,4-dimethyl-4-phenyltetrahydrofuran (e.g., rhubafuran) TM ), (E)-undec-9-enal (e.g., isoc11 aldehyde), 4-isopropylcyclohexanol (e.g., FORROSI), undecaldehyde (e.g., C110 undecaldehyde (ALDEHYDE C 110UNDECYLIC), undecane-2-one (e.g., methyl nonyl ketone), 2-methyl-1-phenylpropan-2-yl acetate (e.g., dimethyl benzyl methyl acetate), (1S,2S,4S)-1,7,7-trimethylbicyclo[2.2.1]heptan-2-ol (e.g., borneol crystals), 2-phenylethyl acetate (e.g., phenethyl acetate), 2-(4-methyl-1-cyclohexyl-3-enyl)propan-2-ol (e.g., α-terpineol), 4-(tert-butyl)cyclohexyl acetate (e.g., p-tert-butylcyclohexyl acetate), 2-methyl-1-phenylpropan-2-ol (e.g., dimethyl benzyl methanol), 3-tert-butylcyclohexyl acetate (e.g., CYPERATE); (E)-3,7-dimethyl oct-2,6-dienal (e.g., TEC) Citral, 4-isopropylbenzaldehyde (e.g., cuminaldehyde), benzyl alcohol (e.g., benzyl alcohol), deconitrile (e.g., deconitrile), 3,7-dimethyloct-6-enonitrile (e.g., citronellol), (E)-3,7-dimethyloct-2,6-dien-1-ylcarboxylate (e.g., geranilate), 2-(4-methylcyclohexyl-3-en-1-yl)propyl-2-yl acetate (e.g., terpine acetate), undec-10-enal (e.g., C11 undecenal), benzyl propionate (e.g., benzyl propionate), p-cresol (e.g., p-cresol); ethyl 2-hydroxybenzoate (e.g., ethyl salicylate), oct-1-ol (e.g., C8 octyl alcohol), 4-(tert-butyl)cyclohexanone (e.g., p-tert-butylcyclohexanone), 2-(tert-butyl)cyclohexanol (e.g., VERDOL) TM ), 3-phenylbutyraldehyde (e.g., TRIFRNAL) TM(E)-3,7-dimethylnon-1,6-dien-3-ol (e.g., ethyl linalool), (2E,6Z)-non-2,6-dienonitrile (e.g., violetonitrile), 2-methyl-5-(prop-1-en-2-yl)cyclohexyl-2-enone (e.g., CARVONE) TM LAEVO); 2-(isopentoxy)acetic acid allyl ester (e.g., allyl pentyl glycolate), 2-methyldecanal (e.g., aldehyde C11 MOA), 2-(4-methylcyclohexyl)prop-2-ol (e.g., dihydroterpineol), 2,6-dimethyloct-2-ol (e.g., tetrahydromyrcenol), 2-pentylcyclopentanone (e.g., QUINTONE) TM ), 6-methoxy-2,6-dimethylheptanal (e.g., methoxycucurbitaldehyde), 1-phenylethyl acetate (e.g., Gardenol) TM ), 2-(4-methylcyclohexyl)propyl-2-yl acetate (e.g., menthyl acetate), 1-(p-tolyl)acetone (e.g., methyl acetophenone), 2-(tert-butyl)cyclohexyl acetate (e.g., AGRUMEX) TM ), ethyl 2-(2-methyl-1,3-dioxolane-2-yl)acetate (e.g., apple ester), 2-methylpentanoic acid 2-methylpentanoic acid 2-methylpentanoic acid (e.g., PERANAT) TM ), p-toluene acetate (e.g., p-toluene acetate) and mixtures thereof.

[0014] Base fragrance ingredients include, but are not limited to: methyl 2,4-dihydroxy-3,6-dimethylbenzoate (e.g., EVERNYL) TM ), 3,8,8,11a-tetramethyldodecylhydro-1H-3,5a-epoxynaphtho[2,1-c]oxepine (e.g., AMBERKETAL) TM ), 3-((1R,2S,4R,6R)-5,5,6-trimethylbicyclo[2.2.1]heptane-2-yl)cyclohexanol (e.g., concentrated SANDELA), 2-(2-(3,3,5-trimethylcyclohexyl)acetyl)cyclopentanone (e.g., DIONE) TM (4aR,5R,7aS,9R)-octahydro-2,2,5,8,8,9a-hexamethyl-4H-4a,9-bridged methylene azolomide[5,6-d]-1,3-m-dioxane (e.g., AMBROCENIDE) TM ), 5-(sec-butyl)-2-(2,4-dimethylcyclohexyl-3-en-1-yl)-5-methyl-1,3-dioxane (e.g., KARANAL) TM), 2,4-dimethyl-2-(5,5,8,8-tetramethyl-5,6,7,8-tetrahydronaphth-2-yl)-1,3-dioxolane (e.g., OKOUMAL), (1-methyl-2-((1,2,2-trimethylbicyclo[3.1.0]hex-3-yl)methyl)cyclopropyl)methanol (e.g., JAVANOL) TM ), ((1S,8aR)-1,4,4-trimethyl-2,3,3a,4,5,8-hexahydro-1H-5,8a-bridged methylene azule-6-yl)methanol (e.g., CEDRENOL) TM ), 1-((1S,8aS)-1,4,4,6-tetramethyl-2,3,3a,4,5,8-hexahydro-1H-5,8a-bridged methylene azulene-7-yl) ethyl ketone (e.g., methyl cypress ketone), 1-((1S,8aS)-1,4,4,6-tetramethyl-2,3,3a,4,5,8-hexahydro-1H-5,8a-bridged methylene azulene-7-yl) ethyl ketone (e.g., VERTOFIX COEUR) TM ), 1-(2,2,6-trimethylcyclohexyl)hex-3-ol (e.g., Timberol) TM ), methyl acetate (7,7,8,8-tetramethyloctahydro-2,3b-bridged methylenecyclopentadieno[1,3]cycloprop[1,2]phenyl-4-yl) (e.g., solanate acetate), (E)-2-ethyl-4-(2,2,3-trimethylcyclopent-3-en-1-yl)but-2-en-1-ol (e.g., RADJANOL) TM ), acetic acid (1S,6R,8aR)-1,4,4,6-tetramethyloctahydro-1H-5,8a-bridged methylene azulene-6-yl ester (e.g., cypress acetate crystals), 3a-ethyl-6,6,9a-trimethyldodecanonaphtho[1,2-c]furan (e.g., GRISALVA), TM ); 2-(3,8-dimethyl-1,2,3,4,5,6,7,8-octahydroazine-5-yl)propyl-2-yl ester of acetate (e.g., guaiacyl acetate), 3-methoxy-5-methylphenol (e.g., ORCINYL 3) TM ), (1-methyl-2-(((1R,3R)-2,2,3-trimethylcyclopentyl)methyl)cyclopropyl)methanol (e.g., PASHMINOL) TM (E)-2-methyl-4-(2,2,3-trimethyl-1-cyclopent-3-enyl)but-2-en-1-ol (e.g., Santacore) TM ), 3-methyl-5-(2,2,3-trimethylcyclopent-3-en-1-yl)pent-2-ol (e.g., SANDALORE) TM(4Z,8Z)-1,5,9-trimethyl-13-oxabicyclo[10.1.0]tetrate-4,8-diene (e.g., CEDROXYDE) TM ), (ethoxymethoxy)cyclododecane (e.g., BOISAMBRENE FORTE) TM ), 4,8a,9,9-tetramethyldecahydro-1,6-bridged methylenenaphthalene-1-ol (e.g., patchouli alcohol), (E)-2-methyl-4-(2,2,3-trimethyl-1-cyclopent-3-enyl)but-2-en-1-ol (e.g., BRAHMANOL F) TM ), 1-(2,3,8,8-tetramethyl-1,2,3,4,5,6,7,8-octahydronaphth-2-yl) ethyl ketone (e.g., ISOCYCLEMONE E) TM ), 1-(2,3,8,8-tetramethyl-1,2,3,4,5,6,7,8-octahydronaphth-2-yl) ethyl ketone (e.g., ISO E SUPER) TM ), 1-(1,2,8,8-tetramethyl-1,2,3,4,5,6,7,8-octahydronaphth-2-yl) ethyl ketone (e.g., GEORGYWOOD) TM N-ethyl-N-(m-tolyl)propionamide (e.g., AGARBOIS), 2,4a,5,8a-tetramethyl-1,2,3,4,4a,7,8,8a-octahydronaphthyl-1-ylcarboxylate (e.g., oxyoctahydronaphthylcarboxylate), (E)-3-methyl-5-(2,2,3-trimethylcyclopentan-3-en-1-yl)pentan-4-en-2-ol (e.g., EBANOL) TM (E)-3,3-dimethyl-5-(2,2,3-trimethyl-3-cyclopenten-1-yl)-4-penten-2-ol (e.g., POLYSANTOL) TM ), 1-((2-(tert-butyl)cyclohexyl)oxy)but-2-ol (e.g., AMBER CORE), 7-methoxy-3,7-dimethyloct-2-ol (e.g., OSYROL) TM ); amber / woody components with equilibrium headspace concentrations of approximately 51 μg / L to approximately 100 μg / L, such as (1R,2S,4R)-2'-isopropyl-1,7,7-trimethylspiro[bicyclo[2.2.1]heptane-2,4'-[1,3]dioxane] (e.g., BELAMBRE) TM (1R,6S,8aS)-6-methoxy-1,4,4,6-tetramethyloctahydro-1H-5,8a-bridged methylene azulene (e.g., cypressyl methyl ether), (Z)-1-(cyclooct-3-en-1-yl)prop-1-ol (e.g., Florymus) TM), 2',2',3,7,7-pentamethylspiro[bicyclo[4.1.0]heptane-2,5'-[1,3]dioxane] (e.g., SPIRAMBRENE) TM ), 4-(1-ethoxyvinyl)-3,3,5,5-tetramethylcyclohexanone (e.g., KEPHALIS) TM (1S,2R,5R)-2-ethoxy-2,6,6-trimethyl-9-methylenebicyclo[3.3.1]nonane (e.g., BOISIRIS) TM ), 2-(tert-amyl)cyclohexyl acetate (e.g., CONIFERAN) TM ), 2-(sec-butyl)-1-methylcyclohexyl acetate (e.g., METAMBRATE) TM ), 4-(tert-butyl)cyclohexyl acetate (e.g., p-butylcyclohexyl acetate), 2-(4-methylcyclohexyl)propyl-2-yl acetate (e.g., menthyl acetate), benzyl 2-hydroxybenzoate (e.g., benzyl salicylate), (4E)-9-hydroxy-5,9-dimethyl-4-decenal (e.g., MAHONIAL) TM ), 2-cyclohexylidene-2-phenylacetonitrile (e.g., PEONILE), 2-hexylcyclopentan-2-enone (e.g., ISOJASMONE T) TM ), 1-(2-naphthyl)-acetone (e.g., neraldehyde crystals), 2,2,2-trichloro-1-phenylethyl acetate (e.g., rhodate). TM ), 3-(benzo[d][1,3]m-dioxacyclopenten-5-yl)-2-methylpropanal (e.g., indanesulfonal (TROPIONAL)), hexyl 2-hydroxybenzoate (e.g., hexyl salicylate); 2-hydroxybenzoic acid (4Z)-hept-4-en-2-yl ester (e.g., KARMAFLOR) TM ), 3-(4-isobutyl-2-methylphenyl)propanal (e.g., nymphol), 3-methyl-5-phenylpentan-1-ol (e.g., mefrosol) TM ), (Z)-6-(pent-2-en-1-yl)tetrahydro-2H-pyran-2-one (e.g., δ-jasmine lactone), 3-(4-(tert-butyl)phenyl)-2-methylpropanal (e.g., Lilial) TM (E)-3-phenylprop-2-en-1-ol (e.g., cinnamyl alcohol), 2-methoxynaphthalene (e.g., nerol), (4-methoxyphenyl)methanol (e.g., anisyl alcohol), 2-ethoxynaphthalene (e.g., NEROLINE) TM ), 2,2-dimethyl-3-(m-tolyl)prop-1-ol (e.g., MAJANTOL) TM), 7,9-dimethylspiro[5.5]undecane-3-one (e.g., spirolones), 3-(4-(tert-butyl)phenyl)propanal (e.g., bourgeonal) TM ), (E)-4-((3aS,7aS)-hexahydro-1H-4,7-bridged methylene indene-5(6H)-idexyl)butyraldehyde (e.g., DUPICAL) TM ), 2-hydroxybenzoic acid pentyl ester (e.g., pentyl salicylate), (E)-4-(2,5,6,6-tetramethylcyclohexyl-2-en-1-yl)but-3-en-2-one (e.g., α-iridotone) TM 3-(4-isopropylphenyl)-2-methylpropanal (e.g., CYCLAMEN) TM Aldehydes), 4-(4-methylpent-3-en-1-yl)cyclohex-3-encarbaldehyde (e.g., MYRALDENE) TM ), dec-9-en-1-ol (e.g., ROSALVA) TM ), (1-methyl-2-(5-methylhex-4-en-2-yl)cyclopropyl)methanol (e.g., ROSYFOLIA) TM ), 3-(3-isopropylphenyl)butyraldehyde (e.g., FLORHYDRAL) TM ), 3-phenylpropan-1-ol (e.g., phenylpropanol), 2-methyl-4-phenylbut-2-ol (e.g., dimethylphenylethyl methanol), methyl 2-aminobenzoate (e.g., methyl anthranilate), tetrahydro-4-methyl-2-(2-methylpropyl)-2H-pyran-4-ol (e.g., Florosa) TM ), 3-(4-ethylphenyl)-2,2-dimethylpropionaldehyde (e.g., Floralozone) TM ), methyl 2-(methylamino)benzoate (e.g., dimethyl anthranilate), (E)-3,7-dimethyloct-2,6-dien-1-ol (e.g., geraniol) TM (E)-4-(2,6,6-trimethylcyclohexyl-1-en-1-yl)but-3-en-2-one (e.g., β-ionone), 3,7-dimethyloct-6-en-1-ol (e.g., citronellol), 4-(2,6,6-trimethylcyclohexyl-1-en-1-yl)but-2-one (e.g., β-dihydroionone), (E)-3-methyl-4-(2,6,6-trimethylcyclohexyl-2-en-1-yl)but-3-en-2-one (e.g., ISORALDEINE 70) TM ), 4-cyclohexyl-2-methylbut-2-ol (e.g., CORANOL), (Z)-3-methyl-2-(pent-2-en-1-yl)cyclopent-2-enone (e.g., JASMONE) TMCIS), 3-phenylprop-2-enyl ... TM ), 3-ethoxy-4-hydroxybenzaldehyde (e.g., ethyl vanillin), 2H-chromene-2-one (e.g., coumarin) TM ), 3-hydroxy-2-methyl-4H-pyran-4-one (e.g., maltitol) TM ), 2-ethyl-3-hydroxy-4H-pyran-4-one (e.g., ethyl maltitol) TM (E)-2-methoxy-4-(prop-1-en-1-yl)phenol (e.g., isoeugenol), 4-allyl-2-methoxyphenyl acetate (e.g., eugenol acetate), (E)-1,2-dimethoxy-4-(prop-1-en-1-yl)benzene (e.g., methyl isoeugenol), octahydro-2H-chromen-2-one (e.g., bicyclononolactone), benzo[d][1,3]m-dioxacyclopenten-5-carboxaldehyde (e.g., HELIOTROPINE) TM ); 2-Methoxy-4-propylphenol (e.g., dihydroeugenol), (E)-3-phenylprop-2-enonitrile (e.g., Cinnamoalva) TM ), 4-allyl-2-methoxyphenol (e.g., eugenol), (2E)-3-phenylprop-2-enal (e.g., cinnamaldehyde); (Z)-cycloheptadecane-9-enone (e.g., civetone) TM ), 1,4-dioxane-5,17-dione (e.g., ethylene brassinate), 1,4-dioxane-5,16-dione (e.g., MUSKC14), 4,6,6,7,8,8-hexamethyl-1,3,4,6,7,8-hexahydrocyclopentadien[g]isobenzopyran (e.g., GALAXOLIDE) TM (Z)-oxetane-10-en-2-one (e.g., AMBRETTOLIDE) TM ), 2-(1-(3,3-dimethylcyclohexyl)ethoxy)-2-methylpropylcyclopropane carboxylate (e.g., SERENOLIDE) TM ), 1-oxetane-2-one (e.g., dihydroflavin lactone), (E)-oxetane-12-en-2-one (e.g., HABANOLIDE) TM (Z)-Cyclohexadecane-5-enone (e.g., VELVIONE) TM ), cyclopentadecanones (e.g., musk compounds (MUSK CPD)), (Z)-3-methylcyclopentadecan-5-enones (e.g., MUSCENONE) TM ), oxetyl hexadecane-2-one (e.g., THIBETOLIDE)TM (Z)-3-methylcyclotetradecane-5-enone (e.g., COSMONE) TM (E)-13-methyloxetane-10-en-2-one (e.g., NIRVANOLIDE) TM (E)-2-((3,5-dimethylhex-3-en-2-yl)oxy)-2-methylpropylcyclopropane carboxylate (e.g., SYLKOLIDE) TM ), 1a,3,3,4,6,6-hexamethyl-1a,2,3,4,5,6,7,7a-octahydronaphtho[2,3-b]epoxyethylene (e.g., MOXALONE) TM ), 1,1,2,3,3-pentamethyl-2,3,6,7-tetrahydro-1H-indene-4(5H)-one (e.g., CASHMERAN) TM ); 4-(4-hydroxyphenyl)but-2-one (e.g., raspberry ketone), 6-heptyltetrahydro-2H-pyran-2-one (e.g., δ-dodecyl lactone), 5-octyloxetane-2-one (e.g., Dodelactone), 6-hexyltetrahydro-2H-pyran-2-one (e.g., δ-undecyllactone); 6-pentyltetrahydro-2H-pyran-2-one (e.g., δ-decyllactone), 5-hexyloxopentane-2-one (e.g., δ-decyllactone); Decanolide), ethyl methyl phenyl glycidyl ester (e.g., strawberry), 4-methyl-5-pentyl dihydrofuran-2(3H)-one (e.g., methyl tuberoseate); ethyl 6-acetoxyhexanoate (e.g., berryflor), 5-pentyl dihydrofuran-2(3H)-one (e.g., prunolide) TM ), 2-methyl-1-phenylprop-2-yl butyrate (e.g., dimethyl benzyl methyl butyrate), 6-propyltetrahydro-2H-pyran-2-one (e.g., δ-octanolide), (E)-1-(2,6,6-trimethylcyclohex-1-en-1-yl)but-2-en-1-one (e.g., β-dihydrodamascone); (E)-1-(2,6,6-trimethylcyclohex-2-en-1-yl)but-2-en-1-one (e.g., α-dihydrodamascone); (E)-1-(2,6,6-trimethylcyclohex-3-en-1-yl)but-2-en-1-one (e.g., δ-dihydrodamascone); (2E,6Z)-3,7,11-trimethyldodec-2,6,10-trien-1-ol (e.g., FARNESOL) TM ), 2-hydroxybenzoic acid 2-phenylethyl ester (e.g., phenylethyl salicylate crystals), (E)-2-benzylene octaldehyde (e.g., α-hexylcinnamaldehyde), diphenyl ketone (e.g., benzophenone), 3-oxo-2-pentylcyclopentane methyl acetate (e.g., HEDIONE) TM(3E,6E)-2,4,4,7-tetramethylnon-6,8-diene-3-one oxime (e.g., LABIENOXIME) TM ), 3-(benzo[d][1,3]m-dioxacyclopenten-5-yl)-2-methylpropanal (e.g., TROPIONAL) TM (E)-Tetracene-2-enonitriles (e.g., tridecene-2-onitrile), 3-(4-methoxyphenyl)-2-methylpropanal (e.g., FENNALDEHYDE) TM (E)-6,10-dimethylundec-5,9-diene-2-yl acetate (e.g., TANGERINOL) TM ), 6-but-2-ylquinoline (e.g., isobutylquinoline), 2,6,10-trimethylundec-9-enal (e.g., ADOXAL) TM ), 7-methyl-2H-benzo[b][1,4]dioxane-heptatrien-3(4H)-one (e.g., CALONE 1951) TM ); dodecanenitrile (e.g., CLONAL) TM ), 4,4a,5,9b-tetrahydroindo[1,2-d][1,3]dioxins (e.g., INDOFLOR) TM ), 2-cyclohexylhept-1,6-dien-3-one (e.g., PHARAONE) TM ), decyl-1-ol (e.g., C10 decanol), 8-(sec-butyl)-5,6,7,8-tetrahydroquinoline (e.g., Bigaryl) TM ), methyl 3-phenylprop-2-enoate (e.g., methyl cinnamate), (E)-undec-9-enonitrile (e.g., FLORIDILE); (E)-7,11-dimethyl-3-methylenedodec-1,6,10-triene (e.g., farnesene) TM ), propionic acid (3aR,6S,7aS)-3a,4,5,6,7,7a-hexahydro-1H-4,7-bridged methylene indene-6-yl ester (e.g., Florocyclene) TM ), 4-(tert-butyl)cyclohexanol (e.g., p-butylcyclohexanol), 1-(3,3-dimethylcyclohex-1-en-1-yl)pent-4-en-1-one (e.g., GALBANONE) TM Dodecyl aldehyde (e.g., C12 lauraldehyde), 2-isopropyl-5-methylphenol (e.g., thymol crystals), (E)-3-phenylprop-2-en-1-ol (e.g., cinnamyl alcohol), allyl 3-cyclohexylpropionate (e.g., allyl cyclohexylpropionate), diphenylmethane (e.g., diphenylmethane), (E)-4-methyldec-3-en-5-ol (e.g., undecenol) TM ), and their mixtures.

[0015] It's important to understand that the boundaries between the three types of top, middle, and base notes are not strictly defined, and some interpretations place certain ingredients in different categories.

[0016] The fragrance content in the finished padding material is 0.01%-5% by weight, more particularly 0.05%-2.5%, and most particularly 0.09%-1.5%.

[0017] In addition to the matrix material and fragrance, auxiliary components well-known in the field of bedding manufacturing can be added to the bedding. These include auxiliary binders such as guar gum, xanthan gum, carrageenan gum, and locust bean gum. These can be present in a maximum of 5% by weight of the bedding. Preservatives may also be included. Any preservatives and antimicrobial agents recognized in the art can be used, such as sodium benzoate, persimmon tannin, and enzymes such as preferur. TM It is typically used at a level of 0.05-1.5% of the total bedding weight.

[0018] First, scented granules are prepared by blending fragrance agents and matrix materials. This is then added to an animal bedding base mixture containing all ingredients, with sufficient water added to allow for extrusion. The extruded material is then granulated to the desired size, typically 0.2-0.3 mm in diameter and 0.5-1.5 cm in length. The granules are then heated in an oven, usually at 120°C for 30 minutes, to remove water and produce the finished bedding.

[0019] The animal bedding prepared as described above has exceptionally long-lasting fragrance and odor-suppressing properties.

[0020] The present disclosure will now be further described with reference to the following embodiments, which illustrate specific implementations and are not intended to be limiting in any way. All proportions are by weight.

[0021] Example 1

[0022] (a) Preparation of fragrance:

[0023] Prepare the fragrance according to the following formula:

[0024]

[0025] This formula contains 50% top notes, 40% middle notes, and 10% base notes. 100% of the top notes have a flash point below 150°C and a vapor pressure above 0.2 ug / L.

[0026] (b) Preparation of granular matrix materials

[0027] Use the following materials:

[0028]

[0029] Add talc to a mixing container and spray the fragrance onto it while stirring. Then add pyrolytic silica, stir the mixture thoroughly, and allow it to age overnight before use.

[0030] (c) Preparation of cat litter with flavored granular matrix material

[0031] The cat litter base is composed of pea fiber, corn starch (CAS 9005-25-8), corn flour (CAS 68525-86-0), and guar gum (CAS 9000-30-0).

[0032] The ratio of cat litter to other materials is as follows:

[0033]

[0034] Add 10% water to the blend in the mixer, mix thoroughly, extrude, and granulate. Transfer the extruded product to an oven and heat at 120°C for 30 minutes to evaporate the water from the cat litter. Sieve the dried material to provide a product with a particle size of 0.2-0.3 mm in diameter and 1-1.5 cm in length.

[0035] (d) Prepare padding with a normal fragrance

[0036] Repeat the above preparation of the padding material, wherein the fragrance (a) is replaced by a normally formulated fragrance in an equal weight ratio of top note fragrance / middle note fragrance / base note fragrance of 20 / 50 / 30.

[0037] (e) Comparison of bedding materials

[0038] The above-mentioned padding materials (c) and (d) were compared with padding matrix samples that did not contain any fragrance.

[0039] In each case, the samples were tested by a group of trained testers who rated the odor intensity of the samples from 0 (no odor) to 5 (strong odor) and the aroma intensity from 0 (no aroma) to 5 (strong aroma).

[0040] Urine odor test

[0041] Three types of bedding materials, each weighing 50g, were treated by injecting 800μl of a commercially available synthetic urinary odorant. They were then evaluated as described above.

[0042] Then add 10g of deionized water to each bedding unit and shake them 10 times to allow the substrate to clump together. Let the bedding units age for 2 minutes, then rate the odor and aroma intensity again.

[0043] The results are illustrated in the figures below.Figure 1 and 2 middle.

[0044] Fecal odor test

[0045] Repeat the steps described above for urine odor testing, wherein 50g of each of the three types of padding was injected with 100μl of commercially available standard synthetic fecal odor as the odor source.

[0046] The results are as follows: Figure 3 and 4 As shown.

[0047] It is clear that incorporating the fragrance prepared as described above into the granular matrix yields excellent odor suppression results.

Claims

1. An animal bedding material comprising (a) an animal bedding base and (b) a particulate absorbent matrix in which a fragrance is added, said fragrance being characterized in that (a) the top notes, middle notes and base notes are in weight proportions of 35-80%, 10-40% and 5-25%, respectively; (b) a component with a ClogP value less than 1.5 constitutes up to 3% of the fragrance; and (c) it is substantially free of an aqueous miscible solvent.

2. The animal bedding according to claim 1, wherein the weight proportions of the top notes, middle notes and base notes are 40-70%, 15-35% and 8-20%, more particularly 45-60%, 25-35% and 10-20%, and more particularly 50-60%, 25-30% and 10-15%, respectively.

3. The animal bedding material according to claim 1, wherein at least 50% by weight of the top flavor component has a flash point below 150°C and a vapor pressure above 0.2 μg / L.

4. The animal bedding material according to claim 3, wherein 100% by weight of the top flavor component has a flash point below 150°C and a vapor pressure above 0.2 μg / L.

5. The animal bedding according to claim 1, wherein the weight percentage of the fragrance in the finished bedding is 0.01%-5%, more particularly 0.05-2.5%, and most particularly 0.09-1.5%.

6. A method for preparing animal bedding containing an odor-counteracting fragrance, comprising the following steps: The components are blended, sufficient water is added to allow extrusion, the mixture is extruded and granulated, and then the granules are dried, characterized in that the fragrance is added in the form of a particulate matrix according to claim 1.

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