CN101070512A - Washine-machine chute detergent - Google Patents
Washine-machine chute detergent Download PDFInfo
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Abstract
This invention has publicized one kind cleanser of washing machine trough, including: oxidized bleaching agent, washing auxiliary agent, metal protecting agent, surface active agent and auxiliaries, this product accompanies with the function of cleansing and scaling and sterilization, which solve the contamination problem of washing machine, avoid the clothing to be second polluted, ensure the family health, promote the national living quality.
Description
Technical field
The present invention relates to the sanitising agent field, more particularly is a kind of Washine-machine chute detergent.
Background technology
In actual life, people often ignore the cleaning problems of washing machine self.In present washing machine market, more than eighty per cant the automatic washing machine of washing and dehydration non-stop run.Its essential structure: the washing drum of depositing clothing is embedded in the sleeve (washing machine inner bag), forms interlayer between the two, and washing water flow during this time back and forth.Along with the prolongation of time, can adhere to a large amount of dirts on washing machine inner bag (or inside groove) wall.
The dirt of washing machine inner bag mainly is made up of six class rubbish: educts such as (1) incrustation scale, (2) washing powder (liquid), softening agent deposition, the fibrin deposition of (3) clothing, the organic substance of (4) human body, (5) constantly grow, breed and other dirt that microorganism, (6) clothing such as accumulative mould are brought into.
The dirt of washing machine inner bag is " soil " that forms microorganism growth.The suspended matter of this soil in can trap water makes the very fast breeding of bacterium, forms microbial film; Organism in the further again planar water of microorganism on the microbial film causes the microbial biofilm surface to enlarge or thickening.Residuary water at inner bag during the automatic washing machine washing is not easy discharging totally, and because of the very little drying that is not easy in inner bag gap, will inevitably have microbiological contamination from structure decision washing machine.
The expert of Osaka, Japan Environmental Research Institute once carries out special project to 153 domestic washing machines and detects, and found that:
(1) it is considerably less not detect the washing machine of mould in every 1ml washing water, only has 1 summer, only has 2 winter.The highest mould detects data: in the washing water of investigation in summer is 4,566cfu/ml, and be 6 winter, 400cfu/ml.
(2) fungi count of automatic washing machine is 2.6 times of two-tub washing machine; The fungi count of tumbling-box washing machine is impeller-type laundry. 2 times of machine.In the automatic washing machine, the average fungi count that detects in the washing water is 6 1.0cfu/ml, and two-cylinder type is 23.7cfu/ml.Even in second time rinse water, 18% the above mould contamination of the measured 100cfu/ml of existence of washing machine of still having an appointment, that is have a considerable amount of mould spores can be attached on the clothes.
(3) the washing machine time limit of service influences the seriousness of microbial contamination.Relatively new product (0 year) be 9.7cfu/ml, uses that the fungi count in (0.4 year) washing water reached 51.5cfu/ml in 5 months～1 year above 100cfu/ml after 5 months, and 2～5 years is 62.6cfu/ml, is 73.6cfu/ml more than 5 years.Along with detecting fungi count, the prolongation of working life is increase trend.
(4) influence the factor of microbial contamination in the washing machine: 1. washing machine is placed environment, and the wet environment influence is very big; 2. the frequency of utilization of washing machine.Under the every day wash conditions in the washing water average fungi count be 77.0cfu/ml, and only be 43.2cfu/ml when washing below 2～3 times weekly; 3. whether washing machine cover is opened on ordinary days.Average fungi count under the lid open mode in the washing water is 52.1cfu/ml, and is 84.0cfu/ml in off position the time, showed increased.
The expert of Osaka, Japan Environmental Research Institute thinks, even adopt stainless steel tank or ganoid material, can not fundamentally prevent microbiological contamination.
In June, 2004, (the total plate count evaluation index is for being not more than 300cfu/25cm with reference to the public article hygienic standard in Shanghai Disease Prevention and Control Centre
2, total coli group and mould must not be detect), 128 domestic washing machines are carried out microbes contamination assessment, the result shows that washing machine total plate count exceeding standard rate is 81.3%, the total coli group recall rate is 100%, the mould recall rate is 60.2%.After it's 5-6 month was past new use in washing machine, the microorganism on the sleeve lining began showed increased, and colonizes in the dirt that constantly adheres to.People's life-time service might cause various tetter, or cross infection.Detect in the current investigation rhodothece rubra is arranged on the washing machine wall of inner container, the existence of Pseudomonas aeruginosa (Pseudomonas aeruginosa), the husky thunder of mucus, corrupt uncommon bacterium, Bai Jieer pityrosporion ovale, nail cryptococcus etc.
In the same year, Zhabei District disease prevention and control center in Shanghai City is investigated 24 turbine washing machines of 24 families, finds to have a considerable amount of washing machines to be placed in the not good local or moist toilet of ventilation, and humidity is higher in the environment; Most of families do not uncap after doing washing, the custom of ventilation drying.
China Patent No. 03115574.X, Japanese Patent JP10110192, JP10140188, JP2014298, JP5070799, JP9235595 etc. disclose dissimilar Washine-machine chute detergents, many tame Japanese daily use chemicals enterprises such as Japanese lion king, holt pharmacy etc. are this series products of production and sales also, though these sanitising agents all can clean washing machine tank to a certain extent, wherein the prescription of some sanitising agent is phosphorous, and is harmful to environment; Some sanitising agent meeting corroding metal; Some sanitising agent has pungency to human body; Also the effect of some sanitising agent decontamination sterilization is undesirable.
Summary of the invention
In order to address the above problem, the invention provides a kind of Washine-machine chute detergent of improvement, cleaning scale removal and sterilizing function that this product has concurrently, the secondary pollution of clothing is avoided in the pollution problem that solves washing machine, ensures family health care, promotes the national life quality.
Washine-machine chute detergent of the present invention contains oxidative bleaching agent, washing auxiliary detergent, metal protection agent, tensio-active agent and weighting agent.
This oxidative bleaching agent is preferably percarbonate or perborate, and more preferably, this percarbonate is a SPC-D, and this perborate is a Sodium peroxoborate, and content is mass percent 15-50%.Percarbonate or perborate are new and effective detergent bleach sterilant, and it has odorless, nontoxic, free of contamination characteristics.Make it show very strong decontamination, sterilizing ability owing in water, can decompose the generation active oxygen.With traditional phosphorus is that washing composition is compared, strong detergency not only, and can not destroy ecotope.
This washing auxiliary detergent is preferably one or more in tri-polyphosphate, carbonate, supercarbonate, borax, pyrophosphate salt, polyacrylate, nitrilotriacetic acid salt, the EDTA disodium salt, more preferably, this tri-polyphosphate is a tripoly phosphate sodium STPP, content is mass percent 0.1-5%, this carbonate is yellow soda ash, this supercarbonate is a sodium bicarbonate, pyrophosphate salt is that trisodium phosphate, polyacrylate are that sodium polyacrylate, nitrilotriacetic acid salt are nitrilotriacetic acid sodium, and content is mass percent 1-10%.Washing auxiliary detergent system improves wash environment and helps the important additives of washing.This product is selected multiple additive compound for use, by their effects such as buffering, chelating, dispersion, and and surfactants synergism, further enhanced products decontamination contaminant releasing and sterilization effects.
This metal protection agent is preferably metasilicate or silicate, and more preferably, this metasilicate is metasilicate pentahydrate sodium or non-hydrate sodium metasilicate, and this silicate is SODIUM METASILICATE PENTAHYDRATE or nine water water glass, and content is mass percent 1-10%.The metal protection agent forms unimolecular film in the metallic surface, prevents that effectively washing machine tank material commonly used from corroding.
This tensio-active agent is preferably one or more in sodium lauryl sulphate, linear alkylbenzene sulfonate, fatty alcohol-polyoxyethylene ether, fatty alcohol polyoxyethylene ether sulfate, the alkylphenol polyoxyethylene, total content is mass percent 0.1-5%, more preferably, this linear alkylbenzene sulfonate is a linear alkylbenzene sulphonic acid, and this fatty alcohol polyoxyethylene ether sulfate is a polyoxyethylenated alcohol sodium sulfate.For making dirt be easier to separate with medium, reach clean effect, tensio-active agent plays crucial effects.This product is selected anion surfactant for use, a series of complex processes such as the absorption by tensio-active agent, wetting, infiltration, emulsification, and with the synergy of SPC-D, reach the purpose of decontamination contaminant releasing.
This weighting agent is preferably anhydrous sulfate, and more preferably, this anhydrous sulfate is an anhydrous sodium sulphate, and content is mass percent 30-70%.
Preferably, this sanitising agent also contains assistant agent, and more preferably, this assistant agent is essence and zymin, and content is mass percent 0-1%.
In practice, product of the present invention discharges in water has very strong active active oxygen, by destroying the proteinic base molecule structure of pathogenic bacterium, thereby realizes degerming, the effect of the peculiar smell of dispelling; Product self can generate a kind of washing assistant yellow soda ash, together with composite sequestrant, can reduce Ca in the washing water
2+, Mg
2+Isoionic concentration makes water softening, and washing water are remained in the suitable basicity scope, strengthens the product sterilization effect.
Product reaches the purpose of decontamination contaminant releasing by the synergy of tensio-active agent, SPC-D and washing auxiliary detergent.
Product discharges active oxygen in water makes it show very strong soil removability, produces a large amount of micro-bubbles simultaneously, and the dirt of impact and loosening washing machine interlayer impels it to peel off, come off; The surfactant compound technology makes again that product is easilier sprawled, wetting and infiltration on dirt, thus the enhanced products clean effect; Effects such as the buffering by composite multiple auxiliary agent, chelating, dispersion, the further effect of enhanced products decontamination contaminant releasing.
Because above-mentioned prescription, Washine-machine chute detergent of the present invention has following advantage:
√ effectively kills/suppresses harmful germ, avoids the clothing secondary pollution;
The compound decontamination technology of √ is effectively removed obstinate dirt in the Wash tub;
The √ nonirritant is to human body safety;
√ compound slow corrosion technology is to the washing machine non-corrosiveness;
Without phosphorus or the low-phosphorous prescription of √ has the feature of environmental protection.
Embodiment
Embodiment 1
Following per-cent is mass percent, SPC-D 16%, tripoly phosphate sodium STPP 0.2%, yellow soda ash 1%, metasilicate pentahydrate sodium 10%, sodium lauryl sulphate 4.8%, anhydrous sodium sulphate 68%.This sample is No. 1.
Embodiment 2
Following per-cent is mass percent, SPC-D 35%, tripoly phosphate sodium STPP 3%, yellow soda ash 5%, non-hydrate sodium metasilicate 4%, fatty alcohol-polyoxyethylene ether 0.5%, anhydrous sodium sulphate 51.5%, essence and zymin each 0.5%, this sample is No. 2.
Embodiment 3
Following per-cent is mass percent, Sodium peroxoborate 45%, tripoly phosphate sodium STPP 5%, sodium bicarbonate 9%, SODIUM METASILICATE PENTAHYDRATE 1%, polyoxyethylenated alcohol sodium sulfate 1.5%, alkylphenol polyoxyethylene 1.5%, anhydrous sodium sulphate 35%, essence and zymin each 1%, this sample is No. 3.
Experimental example 1, bacteria quantified is killed test
Experimental technique: Ministry of Health's " disinfection technology standard ", wherein control sample 1 is the cleaning agent for washing machine tank of Japanese firm, control sample 2 is home-made cleaning agent for washing machine tank.
Experimental result: referring to table 1 and 2, product of the present invention compares on sterilizing rate in the same old way that product have superiority.
The sterilizing rate of table 1 product of the present invention and control sample 1 relatively
| Sample and consumption thereof | Experimental bacteria | 1 hour sterilizing rate (%) | 2 hours sterilizing rates (%) | 4 hours sterilizing rates (%) |
| No. 1,0.2% sample of the present invention | Intestinal bacteria | 100 | 100 | 100 |
| Pseudomonas aeruginosa | 100 | 100 | 100 | |
| Streptococcus aureus | 100 | 100 | 100 | |
| Candida albicans | 54.5 | 88.8 | 99.3 | |
| Black aspergillus | 55.8 | 78.8 | 95.5 | |
| No. 2,0.2% sample of the present invention | Intestinal bacteria | 100 | 100 | 100 |
| Pseudomonas aeruginosa | 100 | 100 | 100 | |
| Streptococcus aureus | 100 | 100 | 100 | |
| Candida albicans | 100 | 100 | 100 | |
| Black aspergillus | 94.5 | 96 | 100 | |
| No. 3,0.2% sample of the present invention | Intestinal bacteria | 100 | 100 | 100 |
| Pseudomonas aeruginosa | 100 | 100 | 100 |
| Streptococcus aureus | 100 | 100 | 100 | |
| Candida albicans | 98 | 100 | 100 | |
| Black aspergillus | 93.5 | 94.5 | 100 | |
| 0.2% control sample 2 | Intestinal bacteria | 100 | 99.9 | 100 |
| Pseudomonas aeruginosa | 99.9 | 100 | 100 | |
| Streptococcus aureus | 100 | 100 | 100 | |
| Candida albicans | 13.3 | 52.0 | 70.5 | |
| Black aspergillus | 66.7 | 60.6 | 60.0 | |
| 0.2% control sample 1 | Intestinal bacteria | 99.9 | 99.9 | 100 |
| Pseudomonas aeruginosa | 100 | 100 | 100 | |
| Streptococcus aureus | 99.9 | 100 | 100 | |
| Candida albicans | 0 | 0 | 0 | |
| Black aspergillus | 0 | 0 | 0 |
Annotate: the average colony number of (1) positive controls: aspergillus niger is 2 * 10
5Cfu/ml, Candida albicans are 2.5 * 10
5Cfu/ml, intestinal bacteria 4 * 10
6Cfu/ml, streptococcus aureus 7 * 10
6Cfu/ml, Pseudomonas aeruginosa 2 * 10
6Cfu/ml.Negative control group: substratum asepsis growth.(2) 0.2% samples (rotary drum washing machine is recommended consumption 100 gram/bags/high-order water).
Experimental example 2, the dirt of washing machine microorganism kill test
Detection method:
(1) sample preparation: ((according to 1 bag of rotary drum washing machine and 2 bags of consumptions) soak a certain amount of dirt of washing machine with the time, and different time is got soak solution and detected microorganism at interval according to the sample using dosage.
(2) microbial inoculant amount (immersion amount): the content of microorganisms of tally's weight dirt in advance.Accurately taking by weighing the 200mg dirt is soaked in the 100ml sample.
(3) sample detection: microbe colony sum (cfu/ml) in the agar plate method counting soak solution.
(4) sterilizing rate (%)=(soaking 0 hour soak solution bacterium colony-sample soak solution bacterium colony)/0 hour soak solution bacterium colony of immersion.
Experimental result: product of the present invention is compared in the same old way product have superiority (seeing Table 2,3) on sterilizing rate.
The bacterium sterilizing rate of table 2 product of the present invention and like product is (dirt of washing machine microorganism) relatively
| Given the test agent | Consumption (%) | Soaked 0 hour | Soaked 1 hour | Soaked 2 hours | ||
| Colony number cfu/ml | Colony number cfu/ml | Sterilizing rate (%) | Colony number cfu/ml | Sterilizing rate (%) | ||
| No. 1, sample of the present invention | 0.2 | 3.0×10 7 | 2.2×10 7 | 99.2 | 6.6×10 7 | 99.8 |
| No. 2, sample of the present invention | 0.2 | 3.2×10 7 | 9.8×10 7 | 99.7 | 3.0×10 7 | 99.9 |
| No. 3, sample of the present invention | 0.2 | 4.7×10 6 | 4.4×10 4 | 99.0 | 1.1×10 4 | 99.8 |
| Control sample 2 | 0.2 | 4.3×10 6 | 8.1×10 5 | 81.2 | 4.9×10 4 | 98.9 |
| Control sample 1 | 0.2 | 7.7×10 6 | 7.4×10 4 | 99.0 | 2.3×10 4 | 99.7 |
The fungi sterilizing rate of table 3 product of the present invention and like product is (dirt of washing machine microorganism) relatively
| Given the test agent | Consumption (%) | Soaked 0 hour | Soaked 1 hour | Soaked 2 hours | ||
| Colony number cfu/ml | Colony number cfu/ml | Sterilizing rate (%) | Colony number cfu/ml | Sterilizing rate (%) | ||
| No. 1, sample of the present invention | 0.2 | 3.1×10 3 | 40 | 98.7 | ＜10 | 100 |
| No. 2, sample of the present invention | 0.2 | 1.8×10 4 | 130 | 99.3 | ＜10 | 100 |
| No. 3, sample of the present invention | 0.2 | 9.5×10 3 | 10 | 99.8 | ＜10 | 100 |
| Control sample 2 | 0.2 | 1.2×10 4 | 1100 | 90.8 | ＜10 | 100 |
| Control sample 1 | 0.2 | 4.9×10 3 | 4600 | 6.1 | 10 | 99.8 |
The repeatedly percutaneous stimulation experiment of experimental example 3, animal
Experimental technique: (every day 1 time) No. 1, animal (cavy) coated sample for three days on end, and No. 2 and No. 3, observe irritant reaction such as skin erythema, concrete grammar is with reference to the Ministry of Health " cosmetics health standard ".
Sample concentration: 0.25% and 0.50% (the high-order water of 1 bag of actual amount or 2 bags/rotary drum washing machine)
Experimental result: 0.25%: do not have obvious skin irritation
0.50%: do not have obvious skin irritation
Experimental example 4, the corrosion-resistant experiment of metal
Experimental technique: the version 2.2.4 in 2002 of Ministry of Health's " disinfection technology standard " sterilizing agent is to the mensuration of metal protection
Experimental procedure:
(1) tinsel is immersed in the sanitising agent that shows promoting agent, fully deoils, clean; Grind off the zone of oxidation of tinsel two sides and periphery surface with No. 120 granularity waterproof abrasive paper, tap water washes down.Drying is 1 hour in the thermostat container, claims test preceding weight m.
(2) every kind of metal immersion way: 1 print hangs on 200 ml samples and is subjected to test solution, 20～25 ℃ of laboratory temperatures.
(3) soak and to take out tinsel after 72 hours and wash, clean the back, claim test back weight mt dry 1 hour of 50 ℃ of thermostat containers with tap water
(4) evaluation of result: calculate rate of metal corrosion (R, corrodibility graded index) according to formula.
R 〉=1.00: severe corrosion; R＜0.0100: do not have corrosion substantially; R 0.0100～＜0.100: mild corrosion;
R 0.100～＜1.00: moderate corrosion.
Experimental result: referring to table 4, the present invention is to the stainless material non-corrosiveness.
Table 4 metal protection experimental result
| Clean-out system and consumption thereof (%) | Stainless steel | Copper | Aluminium | ||||
| R | Corrodibility | R | Corrodibility | R | Corrodibility | ||
| No. 1, sample of the present invention | 0.2 | ＜0.0100 | Do not have | ＜0.0100 | Do not have | ＜0.0100 | Do not have |
| 0.4 | ＜0.0100 | Do not have | ＜0.0100 | Do not have | ＜0.0100 | Do not have | |
| No. 2, sample of the present invention | 0.2 | ＜0.0100 | Do not have | ＜0.0100 | Do not have | ＜0.0100 | Do not have |
| 0.4 | ＜0.0100 | Do not have | ＜0.0100 | Do not have | ＜0.0100 | Do not have | |
| No. 3, sample of the present invention | 0.2 | ＜0.0100 | Do not have | ＜0.0100 | Do not have | ＜0.0100 | Do not have |
| 0.4 | ＜0.0100 | Do not have | ＜0.0100 | Do not have | ＜0.0100 | Do not have | |
| Control sample 2 | 0.2 | ＜0.0100 | Do not have | ＜0.0100 | Do not have | 0.0268 | Slightly |
| 0.4 | ＜0.0100 | Do not have | 0.0139 | Slightly | 0.8128 | Moderate | |
| Control sample 1 | 0.2 | ＜0.0100 | Do not have | ＜0.0100 | Do not have | ＜0.0100 | Do not have |
| 0.4 | ＜0.0100 | Do not have | ＜0.0100 | Do not have | ＜0.0100 | Do not have | |
Claims (13)
1. a Washine-machine chute detergent contains: oxidative bleaching agent, washing auxiliary detergent, metal protection agent, tensio-active agent and weighting agent.
2. Washine-machine chute detergent according to claim 1 is characterized in that: this oxidative bleaching agent is percarbonate or perborate.
3. Washine-machine chute detergent according to claim 2 is characterized in that: this percarbonate is a SPC-D, and this perborate is a Sodium peroxoborate, and content is mass percent 15-50%.
4. Washine-machine chute detergent according to claim 1 is characterized in that: this washing auxiliary detergent is one or more in tri-polyphosphate, carbonate, supercarbonate, borax, pyrophosphate salt, polyacrylate, nitrilotriacetic acid salt, the EDTA disodium salt.
5. Washine-machine chute detergent according to claim 4 is characterized in that: this tri-polyphosphate is a tripoly phosphate sodium STPP, and content is mass percent 0.1-5%; This carbonate is yellow soda ash, and this supercarbonate is a sodium bicarbonate, and pyrophosphate salt is that trisodium phosphate, polyacrylate are that sodium polyacrylate, nitrilotriacetic acid salt are nitrilotriacetic acid sodium, and content is mass percent 1-10%.
6. Washine-machine chute detergent according to claim 1 is characterized in that: this metal protection agent is metasilicate or silicate.
7. Washine-machine chute detergent according to claim 6 is characterized in that: this metasilicate is metasilicate pentahydrate sodium or non-hydrate sodium metasilicate, and this silicate is SODIUM METASILICATE PENTAHYDRATE or nine water water glass, and content is mass percent 1-10%.
8. Washine-machine chute detergent according to claim 1, it is characterized in that: this tensio-active agent is one or more in sodium lauryl sulphate, linear alkylbenzene sulfonate, fatty alcohol-polyoxyethylene ether, fatty alcohol polyoxyethylene ether sulfate, the alkylphenol polyoxyethylene, and total content is mass percent 0.1-5%.
9. Washine-machine chute detergent according to claim 8 is characterized in that: this linear alkylbenzene sulfonate is a linear alkylbenzene sulphonic acid, and this fatty alcohol polyoxyethylene ether sulfate is a polyoxyethylenated alcohol sodium sulfate.
10. Washine-machine chute detergent according to claim 1 is characterized in that: this weighting agent is an anhydrous sulfate.
11. Washine-machine chute detergent according to claim 10 is characterized in that: this anhydrous sulfate is an anhydrous sodium sulphate, and content is mass percent 30-70%.
12. according to the described Washine-machine chute detergent of claim 1-11, it is characterized in that: this sanitising agent also contains assistant agent.
13. Washine-machine chute detergent according to claim 12 is characterized in that: this assistant agent is essence and zymin, and content is mass percent 0-1%.
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