NOVEL USE OF HEPTYLPOLYGLYCOSIDES FOR SOLUBILISING NON-IONIC SURFACTANTS IN AQUEOUS ACIDIC CLEANING COMPOSITIONS, AND AQUEOUS ACIDIC CLEANING COMPOSITIONS COMPRISING SAME

• US 20140113850A1
• Filed: 05/14/2012
• Published: 04/24/2014
• Est. Priority Date: 05/27/2011
• Status: Active Grant

• Current Assignee: Societe D'Exploitation De Produits Pour Les Industries Chimiques Seppic
• Original Assignee: Societe D'Exploitation De Produits Pour Les Industries Chimiques Seppic
• Inventors: Gayral Chirac, Marie-Francoise, Kerverdo, Sebastien, Guilbot, Jerome, Rolland, Herve
• Granted Patent: US 9,080,132 B2
• Time in Patent Office: Days
• US Class Current: 510/109
• CPC Class Codes: C11D 1/662 Carbohydrates or derivatives
• CPC Class Codes: C11D 1/72 Ethers of polyoxyalkylene glycols
• CPC Class Codes: C11D 1/722 Ethers of polyoxyalkylene glycols having mixed oxyalkylene groups; Polyalkoxylated fatty alcohols or polyalkoxylated alkylaryl alcohols with mixed oxyalkylele groups C11D1/721 takes precedence
• CPC Class Codes: C11D 1/825 Mixtures of compounds all of which are non-ionic
• CPC Class Codes: C11D 1/8255 containing a combination of compounds differently alcoxylised or with differently alkylated chains
• CPC Class Codes: C11D 3/0026 Low foaming or foam regulating compositions
• CPC Class Codes: C11D 3/042 Acids
• CPC Class Codes: C11D 3/2075 Carboxylic acids-salts thereof
• CPC Class Codes: C11D 3/221 Mono, di- or trisaccharides or derivatives thereof

Abstract

A composition (C) of formula (I): R₁—O-(G)_p-H (I). G is a reducing sugar, R₁ is a heptyl radical, p is a decimal number, and 1<p≦5. Composition (C) is a mixture of compounds of five formulae: R₁—O-(G)₁-H (I₁), R₁—O-(G)₂-H (I₂), R₁—O-(G)₃-H (I₃), R₁—O-(G)₄-H (I₄), and R₁—O-(G)₅-H (I₅). The sum of their molar proportions a₁, a₂, a₃, a₄ and a₅ equals 1, and p=a₁+2a₂+3a₃+4a₄+5a₅. Composition (C) is a solubilising agent in an acidic aqueous composition for non-ionic surfactant(s) according to: R—(O—CH(R′)—CH₂)_n—(O—CH₂—CH₂)_m—O—H (II). R is a C8-C14 aliphatic radical, R′ is CH₃ or CH₂CH₃, 0≦n≦15, 0≦m≦15, and (n+m)>0. Also, compositions (C₁) having 0.2-40% mass of composition(s) (C) and 0.2-80% mass non-ionic surfactant(s) of formula (II), which may be used to clean hard surfaces.

Claims

1. An aqueous acidic composition comprising:

a composition (C) represented by formula (I);

R₁—

O-(G)_p-H 

 

(I)

wherein G is a reducing sugar residue,

R₁ is a heptyl radical and preferably the n-heptyl radical

p is a decimal number greater than 1, and less than or equal to 5,

said composition (C) consisting of a mixture of compounds represented by the formulae (I₁), (I₂), (I₃), (I₄) and (I₅);

R₁—

O-(G)₁-H 

 

(I₁)

R₁—

O-(G)₂-H 

 

(I₂)

R₁—

O-(G)₃-H 

 

(I₃)

R₁—

O-(G)₄-H 

 

(I₄)

R₁—

O-(G)₅-H 

 

(I₅),

in the following respective molar proportions;

a₁ for the compound according to formula (I₁),

a₂ for the compound according to formula (I₂),

a₃ for the compound according to formula (I₃),

a₄ for the compound according to formula (I₄) and

a₅ for the compound according to formula (I₅)

such that;

the sum a₁+a₂+a₃+a₄+a₅ is equal to 1 and that

the sum a₁+2a₂+3a₃+4a₄+5a₅ is equal to p,

said composition (C) being an agent for solubilising at least one non-ionic surfactant according to formula (II);

R—

(O—

C(R′

)—

CH₂)_n—

(O—

CH₂—

CH₂)_m—

O—

H 

 

(II)

wherein R is a saturated or unsaturated, linear or branched, hydrocarbon aliphatic radical, comprising from 8 to 14 carbon atoms,

R′

is a methyl or ethyl radical,

n is an integer greater than or equal to 0 and less than or equal to 15,

m is an integer greater than or equal to 0 and less than or equal to 15, it being understood that the sum n+m is greater than zero.

2. The composition as defined in claim 1, wherein in formula (I), p is a decimal number greater than or equal to 1.05 and less than or equal to 2.5.

3. The composition as defined in claim 1 wherein, in formula (I), G is a reducing sugar residue chosen from glucose, xylose and arabinose residues.

4. The composition as defined in claim 1 wherein, in formula (II), the radical R is a radical chosen from the octyl, decyl, dodecyl, tetradecyl, 2-ethyl hexyl, 2-butyl octyl, 2-butyl decyl, 2-hexyl octyl, isooctyl, isononyl, isodecyl, isoundecyl, isododecyl, isotridecyl, isotetradecyl or 2-propyl heptyl radicals.

5. The composition as defined in claim 1 wherein, in formula (II), n is an integer greater than or equal to 0 and less than or equal to 6, more particularly greater than or equal to 0 and less than or equal to 3, and even more particularly greater than or equal to 0 and less than or equal to 2.

6. The composition as defined in claim 1 wherein, in formula (II), m is an integer greater than or equal to 1 and less than or equal to 9, more particularly greater than or equal to 2 and less than or equal to 6, and even more particularly greater than or equal to 2 and less than or equal to 4.

7. The composition as defined in claim 1 wherein the mass ratio between said non-ionic surfactant according to formula (II) and said composition (C) is less than or equal to 15:

1 and greater than or equal to 1;

1.

8. Composition (C₁) comprising per 100% by mass:

a) 0.2% to 40% by mass of said composition (C) represented by formula (I);

R₁—

O-(G)_p-H 

 

(I)

wherein G is a reducing sugar residue,

R₁ is a heptyl radical and preferably the n-heptyl radical

p is a decimal number greater than 1, and less than or equal to 5,

said composition (C) consisting of a mixture of compounds represented by the formulae (I₁), (I₂), (I₃), (I₄) and (I₅);

R₁—

O-(G)₁-H 

 

(I₁)

R₁—

O-(G)₂-H 

 

(I₂)

R₁—

O-(G)₃-H 

 

(I₃)

R₁—

O-(G)₄-H 

 

(I₄)

R₁—

O-(G)₅-H 

 

(I₅),

in the following respective molar proportions;

a₁ for the compound according to formula (I₁),

a₂ for the compound according to formula (I₂),

a₃ for the compound according to formula (I₃),

a₄ for the compound according to formula (I₄) and

a₅ for the compound according to formula (I₅)

such that;

the sum a₁+a₂+a₃+a₄+a₅ is equal to 1 and that

the sum a₁+2a₂+3a₃+4a₄+5a₅ is equal to p,

b) 0.2% to 80% by mass of at least one non-ionic surfactant according to formula (II);

R—

(O—

CH(R′

)—

CH₂)_n—

(O—

CH₂—

CH₂)_m—

O—

H 

 

(II)

wherein the radical R is a saturated or unsaturated, linear or branched, hydrocarbon aliphatic radical, comprising from 8 to 14 carbon atoms, R′

is a methyl or propyl radical, n is an integer greater than or equal to 0 and less than or equal to 15, m is an integer greater than or equal to 0 and less than or equal to 15, it being understood that the sum n+m is greater than zero;

c) 1% to 50% by mass of at least one acidic agent chosen from the elements of the group consisting of mineral acids and organic acids; and

d) 1% to 98.6% by mass of water.

9. Composition (C₁) as defined in claim 8, characterised in that the mass ratio between the compound according to formula (II) and said composition (C) is less than or equal to 15:

1 and greater than or equal to 1;

1.

10. A method for cleaning hard surfaces, comprising applying to said surface the composition (C₁) as defined in claim 8.

11. A method for cleaning a hard surface, comprising:

at least one step a₁) for applying the composition (C₁) as defined in claim 8 onto said hard surface, followed by

at least one step b₁) for rinsing said hard surface.

12. A method of solubilising at least one non-ionic surfactant in an aqueous acidic composition, comprising

adding a composition (C) represented by formula (I):

R₁—

O-(G)_p-H 

 

(I)

wherein G is a reducing sugar residue,

R₁ is a heptyl radical and preferably the n-heptyl radical p is a decimal number greater than 1, and less than or equal to 5,

said composition (C) consisting of a mixture of compounds represented by the formulae (I₁), (I₂), (I₃), (I₄) and (I₅);

R₁—

O-(G)₁-H 

 

(I₁)

R₁—

O-(G)₂-H 

 

(I₂)

R₁—

O-(G)₃-H 

 

(I₃)

R₁—

O-(G)₄-H 

 

(I₄)

R₁—

O-(G)₅-H 

 

(I₅),

in the following respective molar proportions;

a₁ for the compound according to formula (I₁),

a₂ for the compound according to formula (I₂),

a₃ for the compound according to formula (I₃),

a₄ for the compound according to formula (I₄) and

a₅ for the compound according to formula (I₅)

such that;

the sum a₁+a₂+a₃+a₄+a₅ is equal to 1 and that

the sum a₁+2a₂+3a₃+4a₄+5a₅ is equal to p,

to an aqueous acid composition comprising at least one non-ionic surfactant according to formula (II);

R—

(O—

CH(R′

)—

CH₂)_n—

(—

CH₂—

CH₂)_m—

O—

H 

 

(II)

wherein R is a saturated or unsaturated, linear or branched, hydrocarbon aliphatic radical, comprising from 8 to 14 carbon atoms,

R′

is a methyl or ethyl radical,

n is an integer greater than or equal to 0 and less than or equal to 15,

m is an integer greater than or equal to 0 and less than or equal to 15, it being understood that the sum n+m is greater than zero.

13. The method according to claim 12, wherein, in formula (I), p is a decimal number greater than or equal to 1.05 and less than or equal to 2.5.

14. The method according to claim 12, wherein, in formula (I), G is a reducing sugar residue chosen from glucose, xylose and arabinose residues.

15. The method according to claim 12, wherein, in formula (II), the radical R is a radical chosen from the octyl, decyl, dodecyl, tetradecyl, 2-ethyl hexyl, 2-butyl octyl, 2-butyl decyl, 2-hexyl octyl, isooctyl, isononyl, isodecyl, isoundecyl, isododecyl, isotridecyl, isotetradecyl or 2-propyl heptyl radicals.

16. The method according to claim 12, wherein, in formula (II), n is an integer greater than or equal to 0 and less than or equal to 6, more particularly greater than or equal to 0 and less than or equal to 3, and even more particularly greater than or equal to 0 and less than or equal to 2.

17. The method according to claim 12, wherein, in formula (II), m is an integer greater than or equal to 1 and less than or equal to 9, more particularly greater than or equal to 2 and less than or equal to 6, and even more particularly greater than or equal to 2 and less than or equal to 4.

18. The method according to claim 12, wherein the mass ratio between said non-ionic surfactant according to formula (II) and said composition (C) is less than or equal to 15:

1 and greater than or equal to 1;

1.