FR2984921A1 - Composition, useful for caring leather used for manufacturing shoes, bags or clothing, comprises a mild surfactant, a hydrating agent, a preservative, antioxidant and/or an antiseptic preservative, and water - Google Patents

Abstract

Composition comprises at least one mild surfactant; at least one hydrating agent; at least one preservative, antioxidant and/or at least one antiseptic preservative; and water.

Description

FIELD OF THE INVENTION The invention relates to the composition of a leather care product. Such a product for the maintenance of leather goods, such as shoes, bags, clothes, etc. is also commonly called shoe polish or "renovator" product, etc.

The present invention relates more particularly to a composition of a leather care product containing no product of petroleum origin, and in particular no petroleum solvent. STATE OF THE ART In general, most known compositions for the maintenance and / or renovation of leather comprise at least one organic solvent of petroleum origin, based on aromatic aliphatic alkanes (Essence E, white spirit). , or terpene derivatives potentially irritating or toxic to the environment (turpentine). Although these various products are generally satisfactory from the point of view of their cleaning, maintenance, polishing, or renovation performance, as well as with regard to their stability over time, the use of organic products of oil has many disadvantages and is particularly harmful to the quality of the environment, and in particular presents risks of air pollution, both during the production of such products, when they are stored and / or their usage.

SUMMARY OF THE INVENTION In order to overcome these drawbacks, the invention proposes a composition of a leather care product without an organic solvent, comprising: at least one mild surfactant of plant origin; at least one moisturizing agent; at least one antioxidant preservative agent and / or at least one antiseptic preservative agent; and water. According to other characteristics of a first exemplary embodiment of a composition according to the invention of a renovator product, which may especially be used in the form of a spray: the composition further comprises at least one natural wax; and at least one vegetable oil; the composition thus comprises: at least one nonionic mild surfactant of plant origin in a total proportion by weight of between 2.00% and 12.00%, preferably between 4.00% and 8.00%; at least one natural wax in a total proportion by weight of between 3.00% and 10.00%, preferably between 5.00% and 8.00%; at least one hydrating agent in a proportion by weight of between 1.00% and 10.00%, preferably between 3.00% and 8.00%; at least one vegetable oil in a total proportion by weight of between 0.10% and 1.00%, preferably equal to 0.50%; at least one antioxidant preservative in a total proportion by weight of between 0.01% and 1.00%, preferably equal to 0.10%; at least one antiseptic preservative agent in a total proportion by weight of between 0.05% and 0.10%, preferably equal to 0.05%; and water as much as necessary (QSP) up to 100.00% by weight of the composition; said at least one nonionic surfactant of vegetable origin comprises a carbon chain of plant origin, in particular obtained from rapeseed oil; said at least one nonionic surfactant of plant origin is cocoate glycerin originating from a natural copra base; said at least one moisturizing agent is glycerin, sorbitol, or monopropylene glycol; said at least one vegetable oil is sunflower oil; said at least one natural wax is natural beeswax and / or carnauba vegetable wax, and / or candellila vegetable wax.

According to other characteristics of a second exemplary embodiment of a composition according to the invention of a shampoo product, which may especially be used in the form of a foam spray: the composition comprises: at least one mild surfactant of plant origin in a total proportion by weight of between 1.00% and 10.00%, preferably between 4.00% and 6.00%; at least one hydrating agent in a proportion by weight of between 1.00% and 10.00%, preferably between 3.00% and 8.00%; at least one antiseptic preservative agent in a total proportion by weight of between 0.05% and 0.10%, preferably equal to 0.05%; and the composition additionally comprises at least one anionic surfactant of vegetable origin in a total proportion by weight of between 0.10% and 6.00%, preferably between 0.50% and 4.00%; - and water in as much as necessary (QSP) to 100.00% by weight of the composition; said at least one nonionic soft surfactant of plant origin is cocoate glycerin derived from a natural copra base; said at least one moisturizing agent is glycerine, sorbitol, or monopropylene glycol. said at least one anionic surfactant of vegetable origin is sodium lauryl sulphate, sodium sarcosinate or a mixture of these two compounds. DETAILED DESCRIPTION OF THE INVENTION First Example The composition generally meets the following criteria and characteristics. The product is in liquid form and can be used in a bottle and / or spray. The formulation contains a vegetable oil and uses plant-based surfactants and does not contain any petroleum solvent. By its composition, the formulation does not require the use of a safety cap and the formulation does not require to provide a labeling of any danger according to the standards in force. Of course, the composition has a detergent effectiveness similar to that of known products, in particular based on organic solvents, especially petroleum solvents. Finally, the product according to the invention is compatible for use with different types of leather, including braided leather, fat, smooth, etc. The product first comprises water (H 2 O) as diluent (preferably demineralized) in as much as necessary (QSP) to 100.00% by weight of the composition.

The following component is a first mild surfactant derived from rapeseed oil obtained from the trituration of rapeseeds, and for example the ethoxylated rapeseed oil 20 OE marketed under the trademark "SEPITER C200" by the company SEPPIC (IMCD).

In the preferred embodiment, the derivative of rapeseed oil is contained in the proportion by weight of between 0.50% and 1.50%. The next component is sunflower oil obtained from sunflower seeds.

In the preferred composition according to the invention, the sunflower oil is contained in a proportion by weight of between 0.10% and 1.00% by weight, preferably equal to 0.50% by weight. In the composition according to the invention, the following product is an antioxidant preservative which is here, by way of a preferred example, vitamin E in the form of tocopherol acetate. This vitamin E is for example marketed under the brand name "VITAMIN E ACETAT" by LASERSON. The preservative consisting of vitamin E is, in the preferred composition according to the invention, contained in the proportion of 0.10% by weight. The next component is glycerine or glycerol which acts as a moisturizing agent, also called humectant.

According to the preferred composition of the invention, the glycerin is contained in a proportion by weight of between 1.00% and 10.00%, preferably between 3.00% and 8.00%. The next component is a mild, nonionic, second surfactant of plant origin. This second surfactant is glycerol 17-cocoate (CAS No. 68201-46-7) which is marketed under the brand name "LEVENOL C201" by the company KAO CORPORATION, SA (UNIVAR).

This plant-based product (based on coconut) is, in the preferred composition according to the invention, in a proposal by weight of between 1.50% and 11.50%. The following component is a first wax which is 25% beeswax which is for example marketed under the trademark "AQUACER 561" by the BYK Company (IMCD). This natural wax is, in the preferred composition according to the invention, present in a proportion of 1.00% by weight. The next component is a second natural wax which is carnauba or carnauba wax which is for example marketed under the trademark "AQUACER 565" by the BYK Company (IMCD). Carnauba is a wax obtained from the leaves of copernicia prunifera and it contains mainly fatty acid ethers, fatty alcohols. According to the preferred composition of the invention, carnauba is present in a proportion of 6.00% by weight. The following component is an antiseptic preservative which is, for example, benzisothiazolinone which is marketed under the trademark "PREVENTOL BIT 20 N" by the company LANXESS. This antiseptic preservative, with a fungicidal effect, is in the composition according to the invention, contained in a proportion equal to 0.05% by weight.

The leather care product according to the above detailed composition is prepared according to the following method by means of two separate tanks each provided with an agitation system for mixing the contents of the tank.

In the first tank, a first mixture of the following components is carried out: the ethoxylated rapeseed oil; - sunflower oil ; - vitamin E.

In the second tank, the water, which is preferably demineralised water, is then introduced, then the stirring system is started and the first mixture previously produced in the first tank is then added after homogenization of the this mixture.

The first mixtures are stirred until a homogeneous solution is obtained. Glycerin is then added and stirred until a homogeneous solution is obtained. Glycerol 17-cocoate is then added and stirred until a homogeneous solution is obtained. The previously homogenized beeswax emulsion is then added, followed by stirring until a homogeneous solution is obtained. The previously prepared carnauba wax emulsion is then added, followed by stirring until a homogeneous solution is obtained. The benzisothiazolinone is then added, followed by stirring until a homogeneous solution is obtained. The product thus produced is stored in the closed vessel. The product according to the invention has a liquid, cream-colored appearance with a characteristic odor. Its viscosity at 20 ° C is less than 60mPa.s (Brookfield LVT Speed Measurement Module No. 2).

The pH of the composition at 20 ° C (pure) is 4.5 +/- 0.2. The density of the product at 20 ° C is close to 1. The set of performance tests carried out was performed, compared with a conventional cleaning product, on different types of leather and with different types of stains and dirt. These tests revealed no damage to the different types of leather and a perfectly satisfactory quality of the cleaning product.

Aging tests of the composition according to the invention have revealed perfect stability after four months of aging, without any modification of the quality. Second Example The product first comprises water (H2O) as diluent (preferably demineralized) in as much as necessary (QSP) to 100.00% by weight of the composition.

The following component is a first anionic surfactant whose carbon chain is on a natural C12 base, and for example 35.00% sodium lauryl sulphate sold under the trademark "TEXAPON LS 35" by the company CDGNIS (AMI ).

In the preferred example, this first surfactant is contained in the proportion by weight of between 0.50% and 2.50%. The following component is a second surfactant, anionic, derived from fatty acids and amino acids of natural origin, and for example, sodium sarcosinate 30.00% marketed under the trade name CRODASINIC LS3ONT by the company CRODA.

In the preferred embodiment, the sodium sarcosinate is contained in the proportion by weight of between 0.10% and 1.00%. The following component is a third mild, nonionic surfactant of plant origin. This third surfactant is of glycerol 17-cocoate type (CAS No. 68201-46-7) which is marketed under the trademark "LEVENOL C201" by the company KAO CORPORATION, SA (UNIVAR).

This plant-based product (based on coconut) is, in the composition according to the invention, in a proposal by weight of between 0.40% and 6.50%. The next component is glycerine or glycerol which acts as a moisturizing agent, also called humectant.

According to the preferred composition of the invention, the glycerin is contained in a proportion by weight of between 1.00% and 10.00%, preferably between 3.00% and 8.00%. The following component is an antiseptic preservative which is, for example, benzisothiazolinone which is marketed under the trademark "PREVENTOL BIT 20 N" by the company LANXESS. This antiseptic preservative, with a fungicidal effect, is in the composition according to the invention, contained in a proportion equal to 0.05% by weight. The composition may also include a perfume component. The leather care product according to the above-described composition is prepared according to the following method by means of a vessel equipped with an agitation system for mixing the contents of the tank. We begin by introducing demineralized water into the tank, then we start the stirring system.

Sodium sarcosinate, which has been homogenized beforehand, is then added, followed by stirring until a homogeneous solution is obtained. Sodium lauryl sulphate previously homogenized is then added, followed by stirring until a homogeneous solution is obtained. Glycerol 17-cocoate is then added, followed by stirring until a homogeneous solution is obtained. The glycerin is then added and stirred until a homogeneous solution is obtained. The perfume is then added and stirred until a homogeneous solution is obtained. The benzisothiazolinone is then added, followed by stirring until a homogeneous solution is obtained.

The product thus produced is stored in the closed vessel. The product according to the invention has a liquid appearance, colorless, with an odor depending on the perfume, for example floral. Its viscosity at 20 ° C is less than 60mPa.s (measured Brookfield LVT Speed 20 module No. 2). The pH of the composition at 20 ° C (pure) is 7.5 +/- 0.2. The density of the product at 20 ° C. is close to 1. All the performance tests carried out have been carried out, in comparison with a conventional cleaning product, on different types of leather and with different types of stains and soiling. . These tests revealed no damage to the different types of leather and a perfectly satisfactory quality of the cleaning product.

Aging tests of the composition according to the invention have revealed perfect stability after five months of aging, without any modification of the quality.

Claims (11)

REVENDICATIONS1. Composition of a leather care product comprising: - at least one mild surfactant; at least one moisturizing agent; at least one antioxidant preservative agent and / or at least one antiseptic preservative agent; and water. 2. Composition according to claim 1, characterized in that it further comprises: at least one natural wax; and - at least one vegetable oil. 3. Composition according to claim 2, characterized in that it comprises: at least one nonionic surfactant of vegetable origin in a total proportion by weight of between 2.00% and 12.00%, preferably between 4.00% and 8.00%; at least one natural wax in a total proportion by weight of between 3.00% and 10.00%, preferably between 5.00% and 8.00%; At least one moisturizing agent in a proportion by weight of between 1.00% and 10.00%, preferably between 3.00% and 8.00%; at least one vegetable oil in a total proportion by weight of between 0.10% and 1.00%, preferably equal to 0.50%; at least one antioxidant preservative in a total proportion by weight of between 0.01% and 1.00%, preferably equal to 0.10%; at least one antiseptic preservative agent in a total proportion by weight of between 0.05% and 0.10%, preferably equal to 0.05%; and - water in as much as necessary (QSP) to 100.00% by weight of the composition. 4. Composition according to claim 3, characterized in that said at least one nonionic surfactant of vegetable origin comprises a carbon chain of vegetable origin, in particular obtained from rapeseed oil. 5. Composition according to claim 3, characterized in that said at least one nonionic surfactant of plant origin is cocoate glycerin from a natural base of coconut. 6. Composition according to claim 1, characterized in that said at least one moisturizing agent is glycerine, sorbitol, or monopropylene glycol. 7. Composition according to claim 2, characterized in that said at least one vegetable oil is sunflower oil. 8. Composition according to claim 2, characterized in that said at least one natural wax is natural beeswax and / or carnauba vegetable wax, and / or candellila vegetable wax. 9) Composition according to claim 1, characterized in that it comprises: at least one surfactant in a total proportion by weight of between 1.00% and 10.00%, preferably between 4.00% and 6%; , 00%; at least one hydrating agent in a proportion by weight of between 1.00% and 10.00%, preferably between 3.00% and 8.00%; at least one antiseptic preservative agent in a total proportion by weight of between 0.05% and 0.1%, preferably equal to 0.05%; and water as much as necessary (QSP) in the amount of 100.00% by weight of the composition. 10. Composition according to claim 9, characterized in that said at least one surfactant is a surfactant base of plant origin, including cocoate glycerin from a natural base of coconut. 11. Composition according to claim 9, characterized in that said at least one surfactant is an anionic surfactant, especially sodium lauryl sulphate and / or sodium sarcosinate.