Gel-like shaped body for fragrancing textiles during the washing process

Patent metadata

Field	Value
Publication number	US-12584080-B2
Application number	US-202117533101-A
Country	US
Kind code	B2
Filing date	Nov 22, 2021
Priority date	Oct 10, 2018
Publication date	Mar 24, 2026
Grant date	Mar 24, 2026

Abstract

The present invention is in the field of washing and cleaning agents and relates to a fragranced shaped body, including a composition obtained by bringing the following components into contact: (a) at least one gelling agent having a molar mass of <2000 g/mol and (b) at least one fragrance. The invention also relates to a washing or cleaning agent, including the fragranced shaped body according to the invention, a method for producing the fragranced shaped body according to the invention and the use of the fragranced shaped body according to the invention for fragrancing surfaces.

First claim

What is claimed is:

1 . A fragranced shaped body comprising:
(a) at least one gelling agent having a molar mass of <2000 g/mol, having the formula:

in which
(i) *- represents a covalent single bond between an oxygen atom of the alditol backbone and the provided functional group;
(ii) n represents 0 or 1;
(iii) m represents 0 or 1;
(iv) R 1 , R 2 and R 3 independently of one another represent a hydrogen atom, a halogen atom, a C 1 -C 4 alkyl group, a cyano group, a nitro group, an amino group, a carboxyl group, a hydroxyl group, a C(═O)—NH—NH 2 group, a —NH—C(═O)—(C 2 -C 4 -alkyl) group, a C 1 -C 4 alkoxy group, a C 1 -C 4 alkoxy C 2 -C 4 alkyl group, with two of the functional groups forming, together with the remainder of the molecule, a 5-membered or 6-membered ring;
(v) R 4 , R 5 and R 6 independently of one another represent a hydrogen atom, a halogen atom, a C 1 -C 4 alkyl group, a cyano group, a nitro group, an amino group, a carboxyl group, a hydroxyl group, a C(═O)—NH—NH 2 group, a —NH—C(═O)—(C 2 -C 4 -alkyl) group, a C 1 -C 4 alkoxy group, a C 1 -C 4 alkoxy C 2 -C 4 alkyl group, with two of the functional groups forming, together with the remainder of the molecule, a 5-membered or 6-membered ring;
(b) at least one fragrance in the form of microcapsules, wherein the microcapsules have a wall thickness of 0.05 to 10 μm;
(c) at least one solvent selected from the group consisting of water, methanol, ethanol, 1-propanol, 2-propanol, 1-butanol, tert-butanol, glycerol carbonate, ethylene glycol, triethylene glycol, 1,2-propanediol, dipropylene glycol, glycerol, 3-methoxy-3-methyl-1-butanol; and mixtures thereof; and
(d) at least one additive; and
wherein the fragrance shaped body is 2-150 mg.

2 . The fragranced shaped body according to claim 1 , wherein the composition comprises 0.001 to 40 wt. % of water, based on the total weight of the composition.

3 . The fragranced shaped body according to claim 1 , wherein the composition comprises 40 to 90 wt. % of water, based on the total weight of the composition.

4 . The fragranced shaped body according to claim 1 , wherein the at least one gelling agent has a molar mass of <1000 g/mol.

5 . The fragranced shaped body according to claim 1 , wherein the at least one gelling agent, is contained in an amount of 0.01 to 20 wt. %, based on the total weight of the composition.

6 . The fragranced shaped body according to claim 1 , wherein the at least one fragrance in the form of microcapsules is present as a fragrance capsule slurry and wherein the fragranced shaped body further comprises at least one further fragrance that is at least one free perfume compound, and/or wherein the at least one fragrance is contained in an amount of 0.1 to 20 wt. %, based on the total weight of the composition.

7 . The fragranced shaped body according to claim 6 , wherein the at least one gelling agent is contained in an amount of 0.5 to 10 wt. %, based on the total weight of the composition.

8 . The fragranced shaped body according to claim 6 , wherein the at least one gelling agent is contained in an amount of 1 to 10 wt. %, based on the total weight of the composition.

9 . The fragranced shaped body according to claim 6 , wherein the at least one gelling agent is contained in an amount of 3 to 8 wt. %, based on the total weight of the composition.

10 . The fragranced shaped body according to claim 1 , wherein the at least one solvent is an alcohol in an amount of 0.01 to 95 wt. %, based on the total weight of the composition.

11 . The fragranced shaped body according to claim 10 , wherein the at least one fragrance is contained in an amount of 1 to 18 wt. %, based on the total weight of the composition.

12 . The fragranced shaped body according to claim 10 , wherein the at least one fragrance is contained in an amount of 4 to 14 wt. %, based on the total weight of the composition.

13 . The fragranced shaped body according to claim 1 , wherein the fragranced shaped body has a storage modulus G′ of 10 3 Pascal to 10 8 Pascal measured with a rotational rheometer using a cone-plate measuring system with a 40 mm diameter and a 2° opening angle at a temperature of 20° C.

14 . The fragranced shaped body according to claim 13 , wherein the at least one solvent is an alcohol having at least one OH group, selected from the group consisting of glycerol carbonate, glycerol, triethylene glycol and mixtures thereof.

15 . The fragranced shaped body according to claim 13 , wherein the at least one solvent is contained in an amount of 70 to 93 wt. %, based on the total weight of the composition.

16 . The fragranced shaped body according to claim 1 , wherein the fragranced shaped body has a storage modulus G′ of 10 4 Pascal to 10 6 Pascal, measured with a rotational rheometer using a cone-plate measuring system with a 40 mm diameter and a 2° opening angle at a temperature of 20 C.

17 . A method for producing the fragranced shaped body according to claim 1 comprising the steps:
(i) blending or mixing the at least one gelling agent (a), the at least one solvent (c) and/or the at least one additive (d);
(ii) heating the at least one gelling agent (a) or the mixture from step (i), while stirring, to a temperature of 50 to 200° C.;
(iii) allowing the mixture from step (ii) to cool to a temperature of 40 to 90° C.;
(iv) adding the at least one fragrance (b) and/or the at least one solvent (c) and/or at least one additives (d), while stirring, to the mixture from step (iii);
(v) dropping the mixture from step (iv) onto a belt or sheet, which is temperature controlled at 15 to 30° C., or filling the mixture from step (iv) into a shaping mold, which is temperature controlled at 15 to 30° C.;
(vi) allowing the mixture from step (v) to cool to room temperature.

18 . A fragranced shaped body comprising:
(a) at least one gelling agent having a molar mass of <2000 g/mol, having the formula:

in which (i) *-represents a covalent single bond between an oxygen atom of the alditol backbone and the provided functional group;
(ii) n represents 0 or 1;
(iii) m represents 0 or 1;
(iv) R 1 , R 2 and R 3 independently of one another represent a hydrogen atom, a halogen atom, a C 1 -C 4 alkyl group, a cyano group, a nitro group, an amino group, a carboxyl group, a hydroxyl group, a C(═O)—NH—NH2 group, a-—NH—C(═O)—(C 2 -C 4 -alkyl) group, a C 1 -C 4 alkoxy group, a C 1 -C 4 alkoxy C 2 -C 4 alkyl group, with two of the functional groups forming, together with the remainder of the molecule, a 5-membered or 6-membered ring;
(v) R 4 , R 5 and R 6 independently of one another represent a hydrogen atom, a halogen atom, a C 1 -C 4 alkyl group, a cyano group, a nitro group, an amino group, a carboxyl group, a hydroxyl group, a C(═O)—NH—NH 2 group, a —NH—C(═O)—(C 2 -C 4 -alkyl) group, a C 1 -C 4 alkoxy group, a C 1 -C 4 alkoxy C 2 -C 4 alkyl group, with two of the functional groups forming, together with the remainder of the molecule, a 5-membered or 6-membered ring;
(b) at least one fragrance, wherein the fragrance has a molar mass of 40 to 700 g/mol;
(c) at least one solvent that is glycerol, glycerol carbonate, or a mixture thereof, and
(d) at least on

Assignees

• Henkel Ag & Co Kgaa

Inventors

• Yapici Filiz
• Schmiedel Peter
• Subinya Mireia
• Baranski Ines

Classifications

• C11D2111/12

  Soft surfaces, e.g. textile · CPC title

• C11D3/50

  Perfumes · CPC title

• C11B9/0034

  the ring containing six carbon atoms · CPC title

• C11B9/0053

  both rings being six-membered · CPC title

• D06M23/12

  Processes in which the treating agent is incorporated in microcapsules (making microcapsules B01J13/02) · CPC title