MXPA96006360A - Deodorant with undecilenic acid, or a salt or ester of acid undecilen - Google Patents

Deodorant with undecilenic acid, or a salt or ester of acid undecilen

Info

Publication number
MXPA96006360A
MXPA96006360A MXPA/A/1996/006360A MX9606360A MXPA96006360A MX PA96006360 A MXPA96006360 A MX PA96006360A MX 9606360 A MX9606360 A MX 9606360A MX PA96006360 A MXPA96006360 A MX PA96006360A
Authority
MX
Mexico
Prior art keywords
paper
undecylenic acid
salt
ester
deodorant
Prior art date
Application number
MXPA/A/1996/006360A
Other languages
Spanish (es)
Other versions
MX9606360A (en
Inventor
Caupin Henrijean
Bourson Lucien
Original Assignee
Elf Atochem Sa
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from FR9515477A external-priority patent/FR2742663B1/en
Application filed by Elf Atochem Sa filed Critical Elf Atochem Sa
Publication of MX9606360A publication Critical patent/MX9606360A/en
Publication of MXPA96006360A publication Critical patent/MXPA96006360A/en

Links

Abstract

The present invention relates to the use of a deodorant comprising undecylenic acid or an undecylenic acid salt or ester to deodorize paper, cardboard and non-interlaced fabrics. This invention relates to the use of an odor absorbing substance, characterized in that said substance comprises undecylenic acid or an aluyl or polyoxyalkylene salt of undecylenic acid. It is possible to form compositions comprising undecylenic acid or the undecipnic salt (s) or ester (s) and additives with which it is proposed, in particular, to improve the mechanical properties, the appearance, the fat resistance, to water, to penetration, to the surface state

Description

Deodorant with Undecylenic Acid, or A Salt or Ester of Undecynic Acid * DESCRIPTION The present invention relates to the use of a deodorant comprising undecylenic acid or a salt or an undecylenic acid ester to deodorize paper, cardboard and non-interlaced fabrics. Compositions based on undecylenic acid ester which are capable of attenuating certain undesirable odors are already known in the area of deodorants. German patent DE-A-2, 263, 509 proposes a complex deodorant composition comprising an alkyl ester (Ci-d) of undecylenic acid to prevent the development of microorganisms responsible for body odor in man. DE-A-1 792, 467 discloses a composition proposed to repel animals that damage crops, based on the optionally combined undecylenic acid, inter alia, with esters of unsaturated fatty acids such as methyl undecylenate. It is also known to use compositions based on undecylenic acid ester to deodorize the waste from purification plants, liquid manure, animal feed and jets in the paper industry (see FR 2,655, 856, FR 2,655,857, FR 2,655,819 and FR 2,694,197). With regard to supports of a cellulose nature, there is a great need to deodorize them because they have a specific pronounced odor or to be put in contact with products with unpleasant odor. The need to deodorize, in the aforementioned sense, is evident in the case of paper and cardboard boxes for packaging before or after printing, the intrinsic odor of which is unpleasant. This need is also observed when it is desired to use non-interlaced paper or cloth as a support for deodorant, in particular for filtration gases (air conditioning, industrial environment), liquids or particles (vacuum cleaning bags), for collecting human excrement (diapers) ) or animal excrement (manure) or alternatively to act in a confined atmosphere (air freshening diffusers) It has been found that compositions based on undecylenic acid or a salt or ester of undecylenic acid prove that they are particularly effective for deodorizing paper, cardboard and fabrics not interlaced. More specifically, the invention relates to the use of an odor absorbing substance, characterized in that said substance comprises undecylenic acid or an aluyl or polyoxyalkylene ester salt of undecylenic acid.
Among these products, the invention relates more particularly to metal salts and alkyl esters containing from 1 to 12 carbon atoms and esters of polyoxyethylene, polyoxypropylene and poly (oxyethylene) (oxypropylene) of said undecylenic acid. The invention more specifically relates to Na, K, Zn, Ca and Cu, methyl, ethyl, propyl, hexyl and decyl, as well as polyoxyalkylene esters containing from 2 to 20 oxyalkylene units. The absorbent substance used according to the invention can consist of one of the aforementioned products alone or a mixture of said products, it is possible to use this or these products as they are or in the form of solution, suspension or emulsion, or alternatively, in absorbed form in a support, in particular a solid support such as clay, zeolites or diatomaceous earths. Undecylenic acid and undecylenic salts or esters are generally effective at low doses, for example from about 0.05 to 10% by weight, and preferably from 0.05 to 3, relative to the support to be treated. It is possible to form compositions comprising undecylenic acid or the aforementioned salt (s) or undecylenic ester (s) and additives with which it is proposed, in particular, to improve the mechanical properties, the appearance, the strength to fats, water, penetration, surface condition, etc. Compositions based on the aforementioned compounds are usually used in any type of support comprising cellulosic fibers, such as paper, cardboard and non-woven fabrics. It is recommended more particularly to deodorize special papers. The papers that can be mentioned are the cigarette paper, the paper for filtering (coffee, vacuum cleaner or for industrial use), for condensers, assemblies, parchment paper or grease proof paper, drawing paper, wallpaper, paper covered with silicone or cover paper, self-adhesive, security paper, geographic paper, blotting paper, abrasive paper, self-copying paper, paper to dry, for medical use and to pack metal components or animal feed. The following examples illustrate the invention: EXAMPLE 1 A paper without cover is prepared conventionally for offset printing, with a G.S.M. of 70 gr / m2, from the following composition (in percent by weight): Softwood bleached paper pulp for wrapping (KBR) 30 Hardwood bleached paper pulp for wrapping (KBR) 70 CaC03 15 (relative to fibers) AKD 1 Cationic fécula 0.4 (relative to composition) PAA 200 gr / t paper Methyldecylenate 0.01 to 2 The oxidized starch is deposited, using an impression of size, on both surfaces of the paper obtained (3 gr / m2 / side). The paper is printed using an offset type ink (lace grade No. 5, Lorieux). The extent to which the odor of the printed paper can be detected is evaluated by a group of six individuals that provide an index that varies from 0 to 6, the extreme values from 0 to 6 respectively mean: absence of the ink smell and original smell of the ink. The results are represented below by comparison. with a control paper that does not contain methyl undecylenate.
Undecylenate 0.01 0.05 0.05 2 Methyl control (% by weight) Grade 6 4 2 1 6 EXAMPLE 2 An aqueous emulsion containing 10% by weight of methyl undecylenate (Maskod MNS 01-10; ECll) is deposited using a size print on an uncoated paper (70 m2 / g).
The paper is printed using an offset type ink (lace grade No. 5, Lorieux). The angle at which the odor of the printed paper can be detected is measured under the conditions of Example 1, by comparison with a control paper, free of methyl undecylenate.
Undecylenate 0.01 0.05 0.05 2 Methyl control (% by weight) Score 5 3 1 0 6 EXAMPLE 3 A paper is prepared with which it is intended to pack dried animal feed (granules) from a bleached chemical pulp (GSM 80 gr / rrr) and bind with adhesive in the neutral medium using alkyl ketone dimers (Cobb 60 = 18 gr / m2). The paper obtained is made impermeable to fats by means of a treatment with Foraperle 321 (Elf Atochem SA) and is impregnated in a size print with an aqueous emulsion containing 10% by weight of methyl undecylenate (Maskod MNS 01-10; ECll) and 0.2% by weight of carboxymethylcellulose.
The paper obtained contains 3 g / m2 of methyl undecylenate. When using this paper, 100 gr of granules are packed and the package is placed in a container that is placed in a 50 ° C oven for 24 hours. No odor is detected when opening the container, since a control container containing granules packed in the same paper, but free of methyl undecylenate, has a very strong food odor. The animals completely accept the granules packed in the treated paper.
EXAMPLE 4 A non-woven fabric (60 g / m2) is prepared from a fibrous composition containing 50% by weight of chemical pulp and 50% by weight of polypropylene fibers. The obtained fabric is impregnated in a size print with an aqueous emulsion containing 10% by weight of methyl undecylenate (Maskod MNS 01-10; ECll) and 0.1% by weight of carboxymethylcellulose. This impregnated cloth contains 1 g / m2 of methyl undecylenate. The fabric is placed in the shoes of six users. After ten days of use, no odor is detected.

Claims (7)

Claims
1. The use of a deodorant rising undecylenic acid or a salt or an alkyl or polyoxyalkylene ester of undecylenic acid to deodorize paper, cardboard and non-interlaced fabrics.
2. The use according to claim 1, characterized in that the salt is chosen from metal salts.
3. The use according to claim 2, characterized in that the salt is Na, K, Zn, Ca or Cu undecylenate.
4. The use according to claim 1, characterized in that the ester is chosen from alkyl esters containing from 1 to 12 carbon atoms and polyoxyethylene, polyoxypropylene and poly (oxyethylene) (oxypropylene) esters of undecylenic acid.
5. Paper containing a deodorant according to any of claims 1 to 4.
6. Cardboard containing a deodorant according to claims 1 to 4.
7. non-interlaced fabric containing deodorant according to claims 1 to 4 .
MXPA/A/1996/006360A 1995-12-26 1996-12-13 Deodorant with undecilenic acid, or a salt or ester of acid undecilen MXPA96006360A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR9515477A FR2742663B1 (en) 1995-12-26 1995-12-26 USE OF A DEODORIZER BASED ON UNDECYLENIC ACID OR ACID DERIVATIVES FOR DEODORIZING PAPER, CARDBOARD AND NON-FABRICS
FR9515477 1995-12-26

Publications (2)

Publication Number Publication Date
MX9606360A MX9606360A (en) 1997-10-31
MXPA96006360A true MXPA96006360A (en) 1998-07-03

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