AU2016100300A4 - Carpet and Upholstery Cleaning Composition - Google Patents
Carpet and Upholstery Cleaning Composition Download PDFInfo
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- AU2016100300A4 AU2016100300A4 AU2016100300A AU2016100300A AU2016100300A4 AU 2016100300 A4 AU2016100300 A4 AU 2016100300A4 AU 2016100300 A AU2016100300 A AU 2016100300A AU 2016100300 A AU2016100300 A AU 2016100300A AU 2016100300 A4 AU2016100300 A4 AU 2016100300A4
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- carpet
- cleaning
- cleaning composition
- upholstery
- composition
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- 238000004140 cleaning Methods 0.000 title claims abstract description 48
- 239000000203 mixture Substances 0.000 title claims abstract description 46
- 239000002689 soil Substances 0.000 claims abstract description 18
- 239000003945 anionic surfactant Substances 0.000 claims abstract description 13
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 10
- 238000000034 method Methods 0.000 claims abstract description 10
- 150000003839 salts Chemical class 0.000 claims abstract description 5
- LSNNMFCWUKXFEE-UHFFFAOYSA-M Bisulfite Chemical compound OS([O-])=O LSNNMFCWUKXFEE-UHFFFAOYSA-M 0.000 claims abstract description 4
- 239000006260 foam Substances 0.000 claims description 18
- 239000000243 solution Substances 0.000 claims description 16
- 238000009472 formulation Methods 0.000 claims description 12
- 239000007787 solid Substances 0.000 claims description 7
- 239000012224 working solution Substances 0.000 claims description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 4
- 230000001680 brushing effect Effects 0.000 claims description 2
- 238000013019 agitation Methods 0.000 claims 1
- 238000007865 diluting Methods 0.000 claims 1
- 238000010407 vacuum cleaning Methods 0.000 claims 1
- 238000003809 water extraction Methods 0.000 abstract description 3
- 238000004945 emulsification Methods 0.000 abstract description 2
- 238000000605 extraction Methods 0.000 abstract description 2
- 239000000725 suspension Substances 0.000 abstract description 2
- -1 alkyl naphthalene sulfonate Chemical compound 0.000 description 9
- KRKNYBCHXYNGOX-UHFFFAOYSA-N citric acid Chemical compound OC(=O)CC(O)(C(O)=O)CC(O)=O KRKNYBCHXYNGOX-UHFFFAOYSA-N 0.000 description 9
- 125000000217 alkyl group Chemical group 0.000 description 7
- 238000001035 drying Methods 0.000 description 7
- 239000002736 nonionic surfactant Substances 0.000 description 6
- 239000004094 surface-active agent Substances 0.000 description 5
- 238000012360 testing method Methods 0.000 description 4
- RYCLIXPGLDDLTM-UHFFFAOYSA-J tetrapotassium;phosphonato phosphate Chemical compound [K+].[K+].[K+].[K+].[O-]P([O-])(=O)OP([O-])([O-])=O RYCLIXPGLDDLTM-UHFFFAOYSA-J 0.000 description 4
- 239000004952 Polyamide Substances 0.000 description 3
- ZMANZCXQSJIPKH-UHFFFAOYSA-N Triethylamine Chemical compound CCN(CC)CC ZMANZCXQSJIPKH-UHFFFAOYSA-N 0.000 description 3
- 239000000853 adhesive Substances 0.000 description 3
- 230000001070 adhesive effect Effects 0.000 description 3
- MRUAUOIMASANKQ-UHFFFAOYSA-N cocamidopropyl betaine Chemical compound CCCCCCCCCCCC(=O)NCCC[N+](C)(C)CC([O-])=O MRUAUOIMASANKQ-UHFFFAOYSA-N 0.000 description 3
- 239000000835 fiber Substances 0.000 description 3
- 239000012535 impurity Substances 0.000 description 3
- 229920002647 polyamide Polymers 0.000 description 3
- 239000000758 substrate Substances 0.000 description 3
- 239000008399 tap water Substances 0.000 description 3
- 235000020679 tap water Nutrition 0.000 description 3
- 210000002268 wool Anatomy 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 2
- DBMJMQXJHONAFJ-UHFFFAOYSA-M Sodium laurylsulphate Chemical compound [Na+].CCCCCCCCCCCCOS([O-])(=O)=O DBMJMQXJHONAFJ-UHFFFAOYSA-M 0.000 description 2
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 2
- KWIUHFFTVRNATP-UHFFFAOYSA-N glycine betaine Chemical compound C[N+](C)(C)CC([O-])=O KWIUHFFTVRNATP-UHFFFAOYSA-N 0.000 description 2
- 238000003384 imaging method Methods 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 238000004626 scanning electron microscopy Methods 0.000 description 2
- 239000002453 shampoo Substances 0.000 description 2
- 239000011734 sodium Substances 0.000 description 2
- 229910052708 sodium Inorganic materials 0.000 description 2
- 239000001509 sodium citrate Substances 0.000 description 2
- NLJMYIDDQXHKNR-UHFFFAOYSA-K sodium citrate Chemical compound O.O.[Na+].[Na+].[Na+].[O-]C(=O)CC(O)(CC([O-])=O)C([O-])=O NLJMYIDDQXHKNR-UHFFFAOYSA-K 0.000 description 2
- 235000019333 sodium laurylsulphate Nutrition 0.000 description 2
- 125000000542 sulfonic acid group Chemical group 0.000 description 2
- 150000003460 sulfonic acids Chemical class 0.000 description 2
- GETQZCLCWQTVFV-UHFFFAOYSA-N trimethylamine Chemical compound CN(C)C GETQZCLCWQTVFV-UHFFFAOYSA-N 0.000 description 2
- AEQDJSLRWYMAQI-UHFFFAOYSA-N 2,3,9,10-tetramethoxy-6,8,13,13a-tetrahydro-5H-isoquinolino[2,1-b]isoquinoline Chemical compound C1CN2CC(C(=C(OC)C=C3)OC)=C3CC2C2=C1C=C(OC)C(OC)=C2 AEQDJSLRWYMAQI-UHFFFAOYSA-N 0.000 description 1
- SMZOUWXMTYCWNB-UHFFFAOYSA-N 2-(2-methoxy-5-methylphenyl)ethanamine Chemical compound COC1=CC=C(C)C=C1CCN SMZOUWXMTYCWNB-UHFFFAOYSA-N 0.000 description 1
- QTDIEDOANJISNP-UHFFFAOYSA-N 2-dodecoxyethyl hydrogen sulfate Chemical compound CCCCCCCCCCCCOCCOS(O)(=O)=O QTDIEDOANJISNP-UHFFFAOYSA-N 0.000 description 1
- PYSRRFNXTXNWCD-UHFFFAOYSA-N 3-(2-phenylethenyl)furan-2,5-dione Chemical compound O=C1OC(=O)C(C=CC=2C=CC=CC=2)=C1 PYSRRFNXTXNWCD-UHFFFAOYSA-N 0.000 description 1
- QJRVOJKLQNSNDB-UHFFFAOYSA-N 4-dodecan-3-ylbenzenesulfonic acid Chemical compound CCCCCCCCCC(CC)C1=CC=C(S(O)(=O)=O)C=C1 QJRVOJKLQNSNDB-UHFFFAOYSA-N 0.000 description 1
- 229920002126 Acrylic acid copolymer Polymers 0.000 description 1
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 1
- KCXVZYZYPLLWCC-UHFFFAOYSA-N EDTA Chemical compound OC(=O)CN(CC(O)=O)CCN(CC(O)=O)CC(O)=O KCXVZYZYPLLWCC-UHFFFAOYSA-N 0.000 description 1
- 241001408611 Epirrhoe alternata Species 0.000 description 1
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 1
- IAYPIBMASNFSPL-UHFFFAOYSA-N Ethylene oxide Chemical compound C1CO1 IAYPIBMASNFSPL-UHFFFAOYSA-N 0.000 description 1
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 1
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 1
- AOMUHOFOVNGZAN-UHFFFAOYSA-N N,N-bis(2-hydroxyethyl)dodecanamide Chemical compound CCCCCCCCCCCC(=O)N(CCO)CCO AOMUHOFOVNGZAN-UHFFFAOYSA-N 0.000 description 1
- 229920002845 Poly(methacrylic acid) Polymers 0.000 description 1
- GOOHAUXETOMSMM-UHFFFAOYSA-N Propylene oxide Chemical compound CC1CO1 GOOHAUXETOMSMM-UHFFFAOYSA-N 0.000 description 1
- 108010077895 Sarcosine Proteins 0.000 description 1
- 229920002125 Sokalan® Polymers 0.000 description 1
- 229920000147 Styrene maleic anhydride Polymers 0.000 description 1
- GSEJCLTVZPLZKY-UHFFFAOYSA-N Triethanolamine Chemical compound OCCN(CCO)CCO GSEJCLTVZPLZKY-UHFFFAOYSA-N 0.000 description 1
- 229910052783 alkali metal Inorganic materials 0.000 description 1
- 150000003863 ammonium salts Chemical class 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- 229960003237 betaine Drugs 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 229920001400 block copolymer Polymers 0.000 description 1
- 229910021538 borax Inorganic materials 0.000 description 1
- 229910052791 calcium Inorganic materials 0.000 description 1
- 239000011575 calcium Substances 0.000 description 1
- 239000003093 cationic surfactant Substances 0.000 description 1
- 150000001768 cations Chemical class 0.000 description 1
- 238000010668 complexation reaction Methods 0.000 description 1
- 239000002361 compost Substances 0.000 description 1
- 229920001577 copolymer Polymers 0.000 description 1
- BKSOSNROIJXXGE-UHFFFAOYSA-L disodium 2-hydroxypropanoate Chemical compound [Na+].[Na+].CC(O)C([O-])=O.CC(O)C([O-])=O BKSOSNROIJXXGE-UHFFFAOYSA-L 0.000 description 1
- 229940047642 disodium cocoamphodiacetate Drugs 0.000 description 1
- 229940079881 disodium lauroamphodiacetate Drugs 0.000 description 1
- SMVRDGHCVNAOIN-UHFFFAOYSA-L disodium;1-dodecoxydodecane;sulfate Chemical compound [Na+].[Na+].[O-]S([O-])(=O)=O.CCCCCCCCCCCCOCCCCCCCCCCCC SMVRDGHCVNAOIN-UHFFFAOYSA-L 0.000 description 1
- ZPRZNBBBOYYGJI-UHFFFAOYSA-L disodium;2-[1-[2-(carboxylatomethoxy)ethyl]-2-undecyl-4,5-dihydroimidazol-1-ium-1-yl]acetate;hydroxide Chemical compound [OH-].[Na+].[Na+].CCCCCCCCCCCC1=NCC[N+]1(CCOCC([O-])=O)CC([O-])=O ZPRZNBBBOYYGJI-UHFFFAOYSA-L 0.000 description 1
- GLSRFBDXBWZNLH-UHFFFAOYSA-L disodium;2-chloroacetate;2-(4,5-dihydroimidazol-1-yl)ethanol;hydroxide Chemical compound [OH-].[Na+].[Na+].[O-]C(=O)CCl.OCCN1CCN=C1 GLSRFBDXBWZNLH-UHFFFAOYSA-L 0.000 description 1
- UQGFMSUEHSUPRD-UHFFFAOYSA-N disodium;3,7-dioxido-2,4,6,8,9-pentaoxa-1,3,5,7-tetraborabicyclo[3.3.1]nonane Chemical compound [Na+].[Na+].O1B([O-])OB2OB([O-])OB1O2 UQGFMSUEHSUPRD-UHFFFAOYSA-N 0.000 description 1
- SYELZBGXAIXKHU-UHFFFAOYSA-N dodecyldimethylamine N-oxide Chemical compound CCCCCCCCCCCC[N+](C)(C)[O-] SYELZBGXAIXKHU-UHFFFAOYSA-N 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 150000002191 fatty alcohols Chemical class 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000000445 field-emission scanning electron microscopy Methods 0.000 description 1
- 238000005187 foaming Methods 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 230000002209 hydrophobic effect Effects 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000011068 loading method Methods 0.000 description 1
- 229910052749 magnesium Inorganic materials 0.000 description 1
- 239000011777 magnesium Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 229910021645 metal ion Inorganic materials 0.000 description 1
- 229920003145 methacrylic acid copolymer Polymers 0.000 description 1
- PSZYNBSKGUBXEH-UHFFFAOYSA-N naphthalene-1-sulfonic acid Chemical compound C1=CC=C2C(S(=O)(=O)O)=CC=CC2=C1 PSZYNBSKGUBXEH-UHFFFAOYSA-N 0.000 description 1
- 230000007935 neutral effect Effects 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 229920000098 polyolefin Polymers 0.000 description 1
- 238000004382 potting Methods 0.000 description 1
- 230000029219 regulation of pH Effects 0.000 description 1
- 238000001878 scanning electron micrograph Methods 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 239000003352 sequestering agent Substances 0.000 description 1
- 229910000029 sodium carbonate Inorganic materials 0.000 description 1
- 235000017550 sodium carbonate Nutrition 0.000 description 1
- 229960001790 sodium citrate Drugs 0.000 description 1
- 235000011083 sodium citrates Nutrition 0.000 description 1
- 229940096501 sodium cocoamphoacetate Drugs 0.000 description 1
- 239000000176 sodium gluconate Substances 0.000 description 1
- 235000012207 sodium gluconate Nutrition 0.000 description 1
- 229940005574 sodium gluconate Drugs 0.000 description 1
- 229940057950 sodium laureth sulfate Drugs 0.000 description 1
- 239000001488 sodium phosphate Substances 0.000 description 1
- 229910000162 sodium phosphate Inorganic materials 0.000 description 1
- 235000011008 sodium phosphates Nutrition 0.000 description 1
- 229940048098 sodium sarcosinate Drugs 0.000 description 1
- 235000010339 sodium tetraborate Nutrition 0.000 description 1
- 239000004328 sodium tetraborate Substances 0.000 description 1
- 235000019832 sodium triphosphate Nutrition 0.000 description 1
- ZUFONQSOSYEWCN-UHFFFAOYSA-M sodium;2-(methylamino)acetate Chemical compound [Na+].CNCC([O-])=O ZUFONQSOSYEWCN-UHFFFAOYSA-M 0.000 description 1
- GOJYXPWOUJYXJC-UHFFFAOYSA-M sodium;2-[1-(2-hydroxyethyl)-2-undecyl-4,5-dihydroimidazol-1-ium-1-yl]acetate;hydroxide Chemical compound [OH-].[Na+].CCCCCCCCCCCC1=NCC[N+]1(CCO)CC([O-])=O GOJYXPWOUJYXJC-UHFFFAOYSA-M 0.000 description 1
- HIEHAIZHJZLEPQ-UHFFFAOYSA-M sodium;naphthalene-1-sulfonate Chemical compound [Na+].C1=CC=C2C(S(=O)(=O)[O-])=CC=CC2=C1 HIEHAIZHJZLEPQ-UHFFFAOYSA-M 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- BDHFUVZGWQCTTF-UHFFFAOYSA-M sulfonate Chemical compound [O-]S(=O)=O BDHFUVZGWQCTTF-UHFFFAOYSA-M 0.000 description 1
- RJSZFSOFYVMDIC-UHFFFAOYSA-N tert-butyl n,n-dimethylcarbamate Chemical compound CN(C)C(=O)OC(C)(C)C RJSZFSOFYVMDIC-UHFFFAOYSA-N 0.000 description 1
- 150000003512 tertiary amines Chemical class 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
- 150000005621 tetraalkylammonium salts Chemical class 0.000 description 1
- 239000004753 textile Substances 0.000 description 1
- RYFMWSXOAZQYPI-UHFFFAOYSA-K trisodium phosphate Chemical compound [Na+].[Na+].[Na+].[O-]P([O-])([O-])=O RYFMWSXOAZQYPI-UHFFFAOYSA-K 0.000 description 1
- 238000009736 wetting Methods 0.000 description 1
- 239000002888 zwitterionic surfactant Substances 0.000 description 1
Landscapes
- Detergent Compositions (AREA)
Abstract
SUMMARY OF THE INVENTION The present invention encompasses a carpet and upholstery cleaning composition comprising at least one salt of an alkylnaphthalene sulfonic acid, at least one anionic surfactant, at least one polymeric embrittling agent and at least one builder that is intended for use without the expensive extraction equipment necessary for traditional hot water extraction methods. The invention exhibits improved emulsification and suspension of oily soils without leaving soil attracting residues. lWam 7 A mm-mm 3 X::.: X x.. x M Ml a a
Description
1 CARPET AND UPHOLSTERY CLEANING COMPOSITION FIELD OF THE INVENTION The invention relates to a cleaning composition intended for use on carpets or upholstery. The inventive composition is particularly efficacious against oily soils, which can be removed from the carpet or upholstery without the need for water extraction. The formulation also minimises the propensity of the carpet or upholstery to undergo resoiling. BACKGROUND Conventional carpet and upholstery cleaning solutions contain high loadings of non-ionic surfactants intended to solubilise and disperse contaminates and soil from the surface. Any residual surfactant which is not fully removed from the fibres during subsequent rinsing remains present on the fibre surface. The oily nature of these residues causes the fibres to become more sensitive to resoiling than fibres which had not been subjected to the cleaning process. These residues also often lead to undesirable changes in the texture, feel or softness of the carpet or upholstery surface. Numerous compositions have been described in the art which attempt to mitigate these issues through the use of surfactants with lowered propensity for resoiling and the inclusion of polymers intended to reduce the tackiness of the dried cleaning solution residue. These compositions, however, often exhibit poor cleaning performance particularly in relation to the removal of oily soils from carpet and upholstery fibres. Increasing the alkalinity of a composition is a common method to increase the ability of the composition to solubilise and remove oily soils. However, some common carpet fibres such as those prepared from wool or woollen blends are sensitive to high levels of alkalinity and the use of these compositions is known to cause fibre damage and unacceptable colour changes to these substrates. Therefore, there still remains a need for alternative cleaning compositions useful in removing a variety of soils, particularly oily type stains from carpet and other textiles, without causing undesirable damage to the substrate, changes to the texture or feel of the substrate and increasing sensitivity of the fibres to resoil. SUMMARY OF THE INVENTION The present invention encompasses a carpet and upholstery cleaning composition comprising at least one salt of an alkylnaphthalene sulfonic acid, at least one anionic surfactant, at least one polymeric embrittling agent and at least one builder that is intended for use without the expensive extraction equipment necessary for traditional hot water extraction methods. The invention exhibits improved emulsification and suspension of oily soils without leaving soil attracting residues. The present invention further encompasses a method of cleaning carpets and upholstery using the inventive composition, wherein the composition is applied to the carpet or upholstery and rubbed and/or brushed, and wherein the composition is then optionally removed from the carpet or upholstery following drying by brushing or using a vacuum cleaner. DESCRIPTION OF THE FIGURES Figure 1 shows the cleaning efficacy over two cleaning cycles of examples 1 to 3 2 Figure 2 is a Scanning Electron Micrograph showing adhesive failure of Example 1 to a polyamide carpet fibre Figure 3 is a soiled rug cleaned using a letter stencil to allow just selected areas of the rug to be cleaned DETAILED DESCRIPTION OF THE INVENTION In a preferred embodiment the invention provides for a carpet and upholstery cleaning composition comprising: e At least one alkylnapthalene sulfonic acid salt * At least one anionic surfactant * At least one foam booster e At least one polymeric embrittling agent e At least one builder It is generally known in the art that carpet and upholstery cleaning solutions prepared using traditional non-ionic or cationic surfactants can lead to increased rates of resoiling of these surfaces due to the oily and sticky residues of these surfactants attracting soil. The use of anionic surfactants, such as sodium lauryl sulfate, or betaines to reduce this rate of resoiling is also well known in the art. However, these anionic surfactants will often form waxy or tacky solids upon drying and still increase the propensity for the carpet to attract soil. It has been found however that, when these surfactants are used in combination with an alkyl naphthalene sulfonate surfactant and a polymeric embrittling agent, a friable residue is formed upon drying. Without wishing to be bound by theory, it is thought that the complexation/co-micellization of the SLES and betaine with the alkylnapthalene sulfonate in the presence of the embrittling agent leads to the formation of the more favourable friable residue. It is also well known in the art that solubilised soil and impurities will tend to remain in a solution as the solute crystallises out upon drying. In carpet and upholstery cleaning, this can also lead to the sticky impurity residues remaining on carpet fibres thus leading to greater rates of resoiling. However, the inventive formulations are capable of easily dispersing oily soils from carpet and upholstery surfaces and holding the soil in solution as the residue dries. Again, without wishing to be bound by theory, it is though that the impurities are incorporated into the solid matrix upon drying of the composition leaving them unable to contribute to carpet resoiling. In a preferred embodiment, a non-oily solid is formed upon drying. In a particularly preferred embodiment the inventive solution containing dispersed soil dries to produce a brittle solid, which may be easily fractured from surfaces. Due to the easily fractured nature of the dried solid, it undergoes adhesive failure from carpet fibres, thus allowing for the easy removal of the residue by routine cleaning or vacuuming. In a more preferred embodiment the pH of the composition is approximately neutral (ie between 6.0 and 8.5) to allow for the composition to be used for the cleaning of all carpet or upholstery fibres including those which are sensitive to high levels of alkalinity, for example those comprised of wool or woollen blends.
3 Other embodiments may be contemplated that have higher pH values, for example in the range of 9 to 11 if their use is only intended for use on non-alkalinity sensitive fibres such as polyamide or polyolefin. In a highly preferred embodiment, the compositions include the use of a non-ionic surfactant to further increase the cleaning performance on hydrophobic carpet fibres. The non-ionic surfactants which may be used herein include alkylphenol ethoxylates, alkyl pyrrolidones, oxirane and methyl oxirane block copolymers, alkyl polyglucosides and ethoxylated and/or propoxylated fatty alcohols or mixtures thereof. Alkylnapthalene sulfonic acid salt The inventive formulations will contain at least one alkyl naphthalene sulphonic acid salt. Preferred salts will be those of monovalent cations such as alkali metal salts, ammonium salts, tetraalkylammonium salts or protonated forms of tertiary amines such as trimethylamine, triethylamine, triethanolamine, etc. The alkylnaphthalene sulfonic acid will typically comprise a 1- naphthalene sulfonic acid, substituted with an alkyl group on the 4 position, although other substitution patterns are also contemplated. Preferably the alkyl substituent will be on the same ring as the sulfonic acid substituent, although embodiments in which the alkyl group and sulfonic acid groups are on differing rings are also contemplated. The alkyl group can be any group with the general formula (CnH 2 n± 1 )- where n=1 to 16. The alkyl group may also be linear or branched. Preferred embodiments will have an alkyl group with n between 1 and 6. Highly preferred examples are the 1,4-alkylnaphthalene sulfonic acid sodium salts sold by Akzo Nobel under the trade name Petro. A most preferred example is sold under the trade name Petro BAF. Anionic Surfactant The anionic surfactants used within the inventive formulation may be selected from at least one of the group comprising alkyldiphenyloxide disulfonate, sodium lauryl sulfate, sodium lauryl ether sulphate, linear alkylbenzene sulfonic acid, sodium sarcosinate, or combinations thereof. Ideally the anionic surfactant, or combinations of anionic surfactant should be selected to produce high levels of foam. In a highly preferred embodiment, the anionic surfactant will comprise sodium lauryl ether sulfate Foam Booster The anionic surfactants may also be used in combination with zwitterionic surfactants and/or non ionic surfactants in order to augment foam production and stabilisation as required. Exemplified foam boosters may be selected from the non-limiting group comprising cocoamidopropyl betaine, sodium lauroamphoacetate, disodium lauroamphodiacetate, sodium cocoamphoacetate, disodium cocoamphodiacetate, a lauryldimethylamine oxide, a cocodimethylamine oxide, or combinations thereof. The foam booster may also be comprised of a non-ionic surfactant such as an alcohol ethoxylate, a nonylphenyl ethoxylate, octylphenyl ethoxylate, an alkyl glyconate, a cocodiethanolamide or combinations thereof.
4 A preferred foam booster is cocoamidopropyl betaine. Polymeric embrittling agent The polymeric embrittling agent comprises a water soluble acrylic based copolymer which, on drying, will result in a non-tacky brittle solid. Preferred examples are the aqueous solutions of acrylic acid/methacrylic acid copolymers sold under the trade name Syntran 4020, Syntran 4180 and Syntran 4125, all available from Interpolymer Corporation. Another preferred example is Flexisperse 305 (Innovative Chemical technologies Inc). Other embrittling agents will include styrene maleic anhydride copolymers such as described in US Patent No. 3,835,071. Builders Preferred builders, whose function to sequester polyvalent metal ions such as calcium, magnesium, iron etc, will include materials such as sodium citrate, sodium gluconate, sodium lactate sodium EDTA (ethylenediamine tetraacetic acid), sodium tetraborate, sodium phosphate, sodium carbonate, sodium tripolyphosphate, tetrapotassium pyrophosphate. Also preferred are the salts of polymeric sequestering agents such as poly(acrylic acid) or poly (methacrylic acid). It is recognised that certain combinations of the builders may also serve other functions, such as pH regulation. In a highly preferred embodiment, the builder will be comprised of tetrapotassium pyrophosphate. In a most preferred embodiment, the builder will be comprised of a combination of tetrapotassium pyrophosphate and citric acid. Example 1 The inventive cleaning solution prepared according to a highly preferred example is shown in table 1. The pH of the solution was adjusted to 7.5 using citric acid. Table 1 Ingredient % w/w Function Sodium Citrate 1.4 Builder Tetrapotassium Pyrophosphate 1.6 Builder Petro BAF 2.1 Sodium alkyl naphthalene sulfonate Sodium Laureth Sulfate (28% Liquid) 2.6 Anionic surfactant Cocoamidopropyl betaine (30% liquid) 1.7 Foam booster Hydrapol RP 40 1.0 Foam booster Syntran 4125 30.7 Polymeric embrittling agent Citric Acid To pH 7.5 Builder Water Balance In order to assess the cleaning and resoiling characteristics of the inventive formulation, a working solution comprising 40ml of the formulation in table 1 was diluted to 1 litre with tap water, and tested according to the method described under Cleaning Efficacy. Example 2 A commercially available encapsulating carpet shampoo, All Round, manufactured by Research Products, was obtained. A working solution comprising 40ml of the All Round formulation was diluted to 1 litre with tap water, and tested according to the method described under Cleaning Efficacy 5 Example 3 A commercially available encapsulating carpet shampoo, Zenith, manufactured by Sonitron Australasia Pty Ltd was obtained. A working solution comprising 40ml of the All Round formulation was diluted to 1 litre with tap water, and tested according to the method described under Cleaning Efficacy. Example 4 Cleaning Efficacy Cleaning efficacy and resoiling resistance were assessed using an X-rite portable spectrophotometer to measure changes in colour values. To conduct the testing a standard laboratory soil, prepared as per AATCC Test Method 123-2000, is used to soil carpet samples through the use of a ball mill. The carpet samples are vacuumed and cleaned using the cleaning solutions from examples 1-3. The cleaning is performed by generating a foam of the cleaning solution, applying this foam to the carpet sample and working this foam into the carpet pile. The cleaning solutions are allowed to dry and the X-rite spectrophotometer is used to determine the colour values of the sample relative to the carpet samples prior to soiling. The process is then repeated to determine the ability of the cleaning solutions to resist subsequent resoiling. Table 2 Cleaning Efficacy (%) Example 1 Example 2 Example 3 First Cleaning Cycle 87 80 78.0 Second Cleaning Cycle 82 68 70.0 As can be seen in Table 2, and in Figure 1, the formulation of Example 1 exhibits a substantially higher cleaning efficacy than examples 2 & 3 on the first and second cleaning cycles. This clearly indicates both the improved cleaning performance of the invention and the reduced propensity for residues from the invention to attract further soiling onto carpet fibres. Scanning Electron Microscopy Scanning electron microscopy imaging using a Zeiss Sigma VP FESEM was performed on solution dyed polyamide carpet samples that that been cleaned using Example 1. Individual carpet fibres were cut from the samples and gold sputter coated prior to imaging. The adhesive failure of the cleaning composition residue can be clearly seen in Error! Reference source not found.. Example 5 Ross-Miles foam test The foaming characteristics of Example 1 was demonstrated using a Ross-Miles foam test (ASTM D1173-53). The test was conducted by adding 50mL of Example 1 to a 100mL stoppered measuring cylinder which was then shaken vigorously. Example 1 was observed to produce sufficient foam to completely fill the stoppered measuring cylinder. This foam was also observed to be stable for a period of greater than 5 minutes. Example 6 The cleaning efficacy of the formulation of Example 1 was visually demonstrated as follows 6 A wool based rug was taken, and soiled by wetting the rug with water, and then rubbing in garden potting compost, until the rug was judged visually to be homogeneously soiled. The rug was then allowed to dry. A stencil was then laid on top of the soiled rug, and the exposed rug cleaned by spraying the exposed areas of the rub with a 40ml/litre solution of the formulation from Example 1. The solution was then rubbed into the carpet with a carpet brush. The carpet was then allowed to dry, the stencil removed and then the carpet vacuumed. After vacuuming, the contrast between the cleaned areas and the areas masked by the stencil were visually evident, as can be seen in figure 3.
Claims (5)
1. A carpet and upholstery cleaning composition comprising: a. At least one salt of an alkylnaphthalene sulfonic acid b. At least one anionic surfactant c. At least one foam booster d. At least one polymeric embrittling agent e. At least one builder Wherein said formulation dries to a brittle, non-oily solid.
2. A cleaning composition according to claim 1 wherein the pH of said cleaning composition is in the range 6.0 and 8.5
3. A cleaning composition according to claim 1 wherein the pH of said cleaning composition is in the range 9.0 and 11.0
4. A cleaning composition according to any of the preceding claims wherein said composition, when diluted to its working concentration will produce a stable foam on agitation.
5. A process of cleaning carpet and/or upholstery using a cleaning composition comprising: a. Diluting the composition with water to give a working solution b. Applying the working solution to the soiled carpet c. Allowing the solution to dry under ambient conditions d. Optionally removing the cleaning composition residues and soil by brushing or vacuum cleaning
Priority Applications (1)
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AU2016100300A AU2016100300A4 (en) | 2015-04-15 | 2016-03-21 | Carpet and Upholstery Cleaning Composition |
Applications Claiming Priority (3)
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AU2015901346A AU2015901346A0 (en) | 2015-04-15 | Carpet and Upholstery Cleaning Composition | |
AU2015901346 | 2015-04-15 | ||
AU2016100300A AU2016100300A4 (en) | 2015-04-15 | 2016-03-21 | Carpet and Upholstery Cleaning Composition |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113993424A (en) * | 2019-04-23 | 2022-01-28 | 科思创(荷兰)有限公司 | Method of removably attaching a carpet product to a surface and double-sided tape for use in the method |
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2016
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113993424A (en) * | 2019-04-23 | 2022-01-28 | 科思创(荷兰)有限公司 | Method of removably attaching a carpet product to a surface and double-sided tape for use in the method |
CN113993424B (en) * | 2019-04-23 | 2023-08-08 | 科思创(荷兰)有限公司 | Method of removably attaching carpet product to surface and double sided tape for use in the method |
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