CN102318625A - Preparation of leather composite bactericidal mould inhibitor - Google Patents
Preparation of leather composite bactericidal mould inhibitor Download PDFInfo
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- CN102318625A CN102318625A CN201110224041A CN201110224041A CN102318625A CN 102318625 A CN102318625 A CN 102318625A CN 201110224041 A CN201110224041 A CN 201110224041A CN 201110224041 A CN201110224041 A CN 201110224041A CN 102318625 A CN102318625 A CN 102318625A
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- mould inhibitor
- mass percent
- water
- composite bactericidal
- leather composite
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Abstract
The invention is a leather composite bactericidal mould inhibitor, and especially is the preparation of the leather composite bactericidal mould inhibitor by using quaternary ammonium salt compounds, 2-bromo-2-nitro-1,3-propanediol, iodo propynyl butylcarbamate, trilon B, a corrosion inhibitor, ethanol and water; the leather composite bactericidal mould inhibitor of the invention comprises the following components by mass: 1%-10% of quaternary ammonium salt compounds, 0.05%-3% of trilon B, 0.1-2% of 2-bromo-2-nitro-1,3-propanediol, 1%-50% of ethanol, 0.05%-5% of iodo propynyl butylcarbamate, 0.1%-20% of corrosion inhibitors, and the balance of water. The purpose of the invention is to provide the preparation of the leather composite bactericidal mould inhibitor, and the preparation comprises the following steps: mixing the quaternary ammonium salt compounds, 2-bromo-2-nitro-1,3-propanediol, and trilon B according to the mass percents with water which accounts for 50% of the balance of water, stirring for 3 hours to prepare a mixed substance A; mixing iodo propynyl butylcarbamate, the corrosion inhibitor, and ethanol according to the mass percents with the rest of water, stirring for 3 hours to prepare a mixed substance B; stirring the mixed substance A and the mixed substance B for reaction for 2 hours, allowing the mixture to stand for 2 hours, performing content determination of the mixed mixture, packaging the qualified mixture to obtain a qualified product. The purpose of the invention is also to dilute the leather composite bactericidal mould inhibitor with a dilution proportion of 50-500 times.
Description
Technical field
The invention belongs to the disinfection product scope; Relate to the preparation of a kind of leather composite bactericidal mildew-resistant; Especially a kind of with quaternary ammonium compound, 2-bromo-2-nitro-1, the composition of ammediol, iodo propinyl ammonia butyl formate, the upright imperial B of holder, corrosion inhibiter, second alcohol and water is as the preparation of leather composite bactericidal mould inhibitor.
Background technology
Nutriment such as rich in proteins, fat in the leather material very easily receives the intrusion of microorganism in the preservation process, in process, go mouldy easily, in process, adds a large amount of fatting agents simultaneously, also is the hotbed of microbial growth procreation.
The porous of leather structure and polar structure make its easy moisture absorption, make leather be acid, and these factors have constituted the primary condition of going mouldy.The leather that goes mouldy is white in color, the bacterium colony and the color spot of blueness and black, and the mould on surface is along with the time can make wearability, intensity and the elasticity effect of leather to the in-house development of leather.In sum, mould has brought the outside of leather and inside and has seriously influenced, and the control mould is necessary.
Fungus and mildew resistance is the important step of leather industry, selects a kind of mould inhibitor of high effect nontoxic environmental protection to be inevitable.
It is not too desirable that existing industrial fungus and mildew resistance product is handled the leather biocide mildew-resistant, has only the composite synergistic of utilization could realize bactericidal mould proof effect.
Summary of the invention
The objective of the invention is to provides a kind of preparation of leather composite bactericidal mould inhibitor to the various drawbacks of existing biocide mildewcide with for solving the technical problem that exists in the known technology; Especially with quaternary ammonium compound, 2-bromo-2-nitro-1; The composition of ammediol, iodo propinyl ammonia butyl formate, the upright imperial B of holder, corrosion inhibiter, second alcohol and water is as the preparation of leather composite bactericidal mould inhibitor, and it has characteristics such as safety, efficient, wide spectrum, low toxicity, environmental protection.
One of the object of the invention provides a kind of leather composite bactericidal mould inhibitor, and it contains following component by mass percent:
| Component | Mass percent % |
| Quaternary ammonium compound | 1-10 |
| Tuo Lilong B | 0.05-3 |
| 2-bromo-2-nitro-1, ammediol | 0.1-2 |
| Iodo propinyl ammonia butyl formate | 0.05-5 |
| Ethanol | 1-50 |
| Corrosion inhibiter | 0.1-20 |
| Water | Surplus |
Quaternary ammonium compound described in the component is selected from: the mixture of one or more in n-zephiran, n-alkyl dimethyl ethylbenzylammonium chloride, two n-zephiran, benzalkonium bromide and the benzalkonium chloride etc.
Wherein the n in the n-zephiran is 8-18, like dodecyl benzyl dimethyl ammonium chloride, hexadecyldimethyl benzyl ammonium benzyl oronain etc.Dodecyl benzyl dimethyl ammonium chloride is white waxy solid or yellow colloid, and the aqueous solution shows neutrality or faintly alkaline reaction, and soluble in water and ethanol has effect clean only, sterilization.When medical operating, be widely used in the sterilization of skin and operating theater instruments, also be widely used in the breed place of economic crops such as Treatment of Industrial Water, fowl corral house, granary, silkworm room and mushroom, tremella and sterilization, the sterilization, anticorrosion of utensil.To human non-toxic, little to skin and eyes mucosa irritation property.
N in wherein two n-zephirans is 8-14.Two n-zephirans are two long chain quaternaries, and product type has multiple combining forms such as two octyl groups, two certain herbaceous plants with big flowers base, two dodecyls, octyl group certain herbaceous plants with big flowers base, and its bactericidal effect obviously strengthens.
Wherein the n in the n-alkyl dimethyl ethylbenzylammonium chloride is 12 ~ 18, molecular formula: N-C
23H
42Cl, molecular weight: 368.0393, can be used as hospital, the nursing home; Disinfectant in public place and the industry, and the Biocidal algae-killing agent in swimming pool and the Treatment of Industrial Water, wood preservation, and the sterilization of medicine equipment; Can be used as deodorant simultaneously, product is: alkyl (50%C12,30%C14,17%C16; 3%C18) dimethyl ethyl benzyl ammonium chloride, alkyl (60%C14,30%C16; 5%C12,5%C18) dimethyl ethyl benzyl ammonium chloride, as: dodecyl dimethyl ethylbenzylammonium chloride, myristyl dimethyl ethyl benzyl ammonium chloride etc.
Wherein benzalkonium bromide is white waxy solid or yellow colloid, and the aqueous solution shows neutrality or faintly alkaline reaction, and is soluble in water; Be slightly soluble in ethanol; Be one of surfactant of using always, have cleaning, sterilizing and algae removal effect, be widely used in aspects such as sterilization, sterilization, anticorrosion, emulsification, de-sludging, solubilising; Be industrial cycle water treatment non-oxidizable Biocidal algae-killing agent commonly used, glutinous mud remover and cleaning agent, also can be used for the control of microorganisms and the cleaning of circulation.
Wherein benzalkonium chloride is claimed the dimethyl benzyl alkyl ammomium chloride again, molecular formula: C
17H
30ClN; Belong to cationic surfactant; Belong to non-oxidizable bactericide, have wide spectrum, sterilization algae removal ability efficiently, can control bacterium algae propagation and foundry loam growth in the water effectively; And have the effect of peeling off of good foundry loam and certain dispersion, osmosis, have simultaneously certain deoil, deodorizing capability and corrosion inhibition.
2-bromo-2-nitro-1 described in the component, ammediol, it is white or canescence crystalline powder; Fusing point is greater than 120 ℃; Soluble in water, have the high-efficiency broad spectrum antibacterial activity, be widely used as cosmetics preservative; Also as agriculture chemicals fungicide, medical disinfectant, with the composite industrial water conditioning agent etc. that also can be used as of other preservatives.
The upright imperial B of holder described in the component is white crystalline powder, and is water-soluble, is insoluble in alcohol, as complexing agent, chelating agent, preservative, anti-oxidant synergist and auxiliary agent.
Iodo propinyl ammonia butyl formate described in the component is a white crystalline powder; Water insoluble; Be soluble in the lower alcohols organic solvent, broad-spectrum sterilization can effectively be killed mould, saccharomycete, algae and bacterium; Fungi there is special efficacy; Be mainly used in cosmetics, household chemicals, paint, leather, plastics, timber, metal cutting solution, Wood Discoloration control, textile, paper-making industry, ink, adhesive etc., with 2-bromo-2-nitro-1, ammediol uses simultaneously and reaches better anti-mold effect.
Corrosion inhibiter described in the component is selected from: the mixture of one or more in Sodium Benzoate, gluconic acid sodium salt, the sodium salicylate etc.
Wherein Sodium Benzoate another name sodium benzoate is white particle or crystalline powder, and odorless is with benzoic smell slightly, and is water-soluble.In water treatment, be used as corrosion inhibiter, food preservative, metallic weapon antirust with emulsion paint, shoe polish, synthetic glue powder fungusproof anti-corrosion agent, the preservative of cosmetics.
Wherein gluconic acid sodium salt another name hexonic acid sodium is white or light yellow crystalline powder, and fragrant smell is arranged, and is water-soluble, also plays the chelation to metal ion, is used as corrosion inhibiter simultaneously.
Wherein sodium salicylate is called septichen sodium, and white flakey or powder crystal are soluble in water, and certain bactericidal action is arranged, and fungi is had good inhibitory effect, can be used as corrosion inhibiter simultaneously.
Water described in the component is deionized water.
Each component is role in the present invention:
Quaternary ammonium compound described in the component belongs to cationic surfactant, is low effect disinfectants, and to mucocutaneous non-stimulated, toxicity is little, and good stability is harmless to article;
2-bromo-2-nitro-1 described in the component, ammediol is a disinfectant, broad spectrum antibiotic activity can effectively suppress Gram-negative bacteria, positive bacteria, saccharomycete and mould;
The upright imperial B of holder described in the component has chelating, complexing and synergistic effect, can remove the Ca that exists in the water
2+, Mg
2+, Fe
2+, Mn
2+Deng metal ion, reach purification;
Ethanol described in the component has synergistic effect, has hydrotropy and antifreeze effect simultaneously;
Corrosion inhibiter described in the component plays the corrosion inhibition good to metallic article, and the effect of certain inhibition bacterium is arranged simultaneously, to mucocutaneous non-stimulated, good stability is harmless to article;
Iodo propinyl ammonia butyl formate described in the component is a wide-spectrum bactericide, can effectively kill mould, saccharomycete, algae and bacterium, and fungi is had special efficacy, to mucocutaneous nonirritant, to metal and fabric non-corrosiveness, good stability.
Leather composite bactericidal mould inhibitor of the present invention is the proportioning of following mass percent most preferably:
| Component | Mass percent % |
| Quaternary ammonium compound | 2-8 |
| Tuo Lilong B | 0.1-2 |
| 2-bromo-2-nitro-1, ammediol | 0.1-1.5 |
| Iodo propinyl ammonia butyl formate | 0.1-5 |
| Ethanol | 1-30 |
| Corrosion inhibiter | 0.1-18 |
| Water | Surplus |
Quaternary ammonium compound described in the component is selected from: the mixture of one or more in n-zephiran, n-alkyl dimethyl ethylbenzylammonium chloride, two n-zephiran, benzalkonium bromide and the benzalkonium chloride etc.; Wherein the n in the n-zephiran is 8-18; N in two n-zephirans is 8-14, and the n in the n-alkyl dimethyl ethylbenzylammonium chloride is 12-18.
Corrosion inhibiter in the component is selected from: the mixture of one or more in Sodium Benzoate, gluconic acid sodium salt, the sodium salicylate etc.
Water described in the component is deionized water.
Another object of the present invention is; A kind of compound method of leather composite bactericidal mould inhibitor is provided; It mainly is to adopt quaternary ammonium compound, 2-bromo-2-nitro-1, ammediol, the upright imperial B of holder, iodo propinyl ammonia butyl formate, corrosion inhibiter, second alcohol and water through mix, reaction, stir, leave standstill formulated:
The compound method of the above-mentioned leather composite bactericidal mould inhibitor that contains the mass percent component is following:
1, with quaternary ammonium compound, 2-bromo-2-nitro-1, ammediol and Tuo Li dragon B mixes stirring by 50% water of above-mentioned mass percent and above-mentioned mass percent and was mixed with compounding substances A in 3 hours;
2, iodo propinyl ammonia butyl formate, corrosion inhibiter, ethanol are mixed stirring by above-mentioned mass percent with the water of above-mentioned mass percent remaining 50% and be mixed with compounding substances B in 3 hours;
3, with said mixture matter A and said mixture matter B stirring reaction 2 hours, left standstill again 2 hours, mixed
Mixture carries out assay, and qualified mixture is packed, and is qualified products.
Combination matching between each component of leather composite bactericidal mould inhibitor of the present invention has following advantage and good effect:
1, harmless to people, animal, can not produce harmful substance, do not pollute the environment safety and environmental protection;
2, non-stimulated to skin and mucosa, article and fabric there are not corrosivity;
3, have no irritating odor, colourless, do not receive the influence of environment, organic matter, acid, alkali and other physics, chemical factor.
Embodiment
Embodiment 1
| Component | Kilogram kg | Mass percent % |
| Dodecyl benzyl dimethyl ammonium chloride | 8 | 8 |
| Tuo Lilong B | 0.3 | 0.3 |
| 2-bromo-2-nitro-1, ammediol | 1 | 1 |
| 95% ethanol | 10 | 10 |
| Iodo propinyl ammonia butyl formate | 0.6 | 0.6 |
| Sodium Benzoate | 1.5 | 1.5 |
| Sodium salicylate | 1.5 | 1.5 |
| Water | 77.1 | 77.1 |
| Amount to | 100 | 100 |
1, with dodecyl benzyl dimethyl ammonium chloride, 2-bromo-2-nitro-1, ammediol and Tuo Li dragon B mixes stirring by 50% water of above-mentioned mass percent and above-mentioned mass percent and was mixed with compounding substances A in 3 hours;
2, iodo propinyl ammonia butyl formate, Sodium Benzoate, sodium salicylate, ethanol are mixed stirring by above-mentioned mass percent with the water of above-mentioned mass percent remaining 50% and be mixed with compounding substances B in 3 hours;
3, with said mixture matter A and said mixture matter B stirring reaction 2 hours, left standstill again 2 hours, mixed
Mixture carries out assay, and qualified mixture is packed, and is qualified products.
Embodiment 2
| Component | Kilogram kg | Mass percent % |
| The dodecyl dimethyl ethylbenzylammonium chloride | 8 | 8 |
| Tuo Lilong B | 0.3 | 0.3 |
| 2-bromo-2-nitro-1, ammediol | 1 | 1 |
| 95% ethanol | 10 | 10 |
| Iodo propinyl ammonia butyl formate | 0.6 | 0.6 |
| Sodium Benzoate | 1 | 1 |
| Sodium salicylate | 1 | 1 |
| Water | 78.1 | 78.1 |
| Amount to | 100 | 100 |
1, with dodecyl dimethyl ethylbenzylammonium chloride, 2-bromo-2-nitro-1, ammediol and Tuo Li dragon B mixes stirring by 50% water of above-mentioned mass percent and above-mentioned mass percent and was mixed with compounding substances A in 3 hours;
2, iodo propinyl ammonia butyl formate, Sodium Benzoate, sodium salicylate, ethanol are mixed stirring by above-mentioned mass percent with the water of above-mentioned mass percent remaining 50% and be mixed with compounding substances B in 3 hours;
3, with said mixture matter A and said mixture matter B stirring reaction 2 hours, left standstill again 2 hours, mixed
Mixture carries out assay, and qualified mixture is packed, and is qualified products.
Embodiment 3
| Component | Kilogram kg | Mass percent % |
| Dodecyl benzyl dimethyl ammonium chloride | 4 | 4 |
| The dodecyl dimethyl ethylbenzylammonium chloride | 4 | 4 |
| Tuo Lilong B | 0.3 | 0.3 |
| 2-bromo-2-nitro-1, ammediol | 1 | 1 |
| 95% ethanol | 10 | 10 |
| Iodo propinyl ammonia butyl formate | 0.6 | 0.6 |
| Sodium Benzoate | 1.5 | 1.5 |
| Sodium salicylate | 1.5 | 1.5 |
| Water | 77.1 | 77.1 |
| Amount to | 100 | 100 |
1, with dodecyl benzyl dimethyl ammonium chloride, dodecyl dimethyl ethylbenzylammonium chloride, 2-bromo-2-nitro-1, ammediol and Tuo Li dragon B mixes stirring by 50% water of above-mentioned mass percent and above-mentioned mass percent and was mixed with compounding substances A in 3 hours;
2, iodo propinyl ammonia butyl formate, Sodium Benzoate, sodium salicylate, ethanol are mixed stirring by above-mentioned mass percent with the water of above-mentioned mass percent remaining 50% and be mixed with compounding substances B in 3 hours;
3, with said mixture matter A and said mixture matter B stirring reaction 2 hours, left standstill again 2 hours, mixed
Mixture carries out assay, and qualified mixture is packed, and is qualified products.
Embodiment 5
| Component | Kilogram kg | Mass percent % |
| Dodecyl benzyl dimethyl ammonium chloride | 2 | 2 |
| The dodecyl dimethyl ethylbenzylammonium chloride | 2 | 2 |
| Benzalkonium bromide | 2 | 2 |
| Octyl group certain herbaceous plants with big flowers base alkyl dimethyl ammonium chloride | 2 | 2 |
| Tuo Lilong B | 0.3 | 0.3 |
| 2-bromo-2-nitro-1, ammediol | 1 | 1 |
| 95% ethanol | 10 | 10 |
| Iodo propinyl ammonia butyl formate | 0.6 | 0.6 |
| Sodium Benzoate | 1.5 | 1.5 |
| Gluconic acid sodium salt | 1.5 | 1.5 |
| Water | 77.1 | 77.1 |
| Amount to | 100 | 100 |
1, with dodecyl benzyl dimethyl ammonium chloride, dodecyl dimethyl ethylbenzylammonium chloride, benzalkonium bromide, octyl group certain herbaceous plants with big flowers base alkyl dimethyl ammonium chloride, 2-bromo-2-nitro-1, ammediol and Tuo Li dragon B mix stirring by 50% water of above-mentioned mass percent and above-mentioned mass percent and were mixed with compounding substances A in 3 hours;
2, iodo propinyl ammonia butyl formate, Sodium Benzoate, gluconic acid sodium salt, ethanol are mixed stirring by above-mentioned mass percent with the water of above-mentioned mass percent remaining 50% and be mixed with compounding substances B in 3 hours;
3, with said mixture matter A and said mixture matter B stirring reaction 2 hours, left standstill again 2 hours, mixed
Mixture carries out assay, and qualified mixture is packed, and is qualified products.
With the product of embodiment 1-5 gained, with the deionized water dilution, dilution arbitrarily in 50 ~ 500 times scope, effect 10min all can reach more than 99.99% the mould average kill ratio.
The present invention does further elaboration through above embodiment, but does not limit the scope of the invention.
The present invention is with the various variations of described scope of soverlay technique scheme and claim scope; Under the prerequisite that does not depart from technical scheme of the present invention, any improvement that those skilled in the art that the present invention did are realized easily all belongs to the present invention's scope required for protection.
Claims (7)
1. leather composite bactericidal mould inhibitor is characterized in that comprising following component by mass percent:
。
2. leather composite bactericidal mould inhibitor as claimed in claim 1 is characterized in that comprising following most preferably component by mass percent:
。
3. leather composite bactericidal mould inhibitor as claimed in claim 1; It is characterized in that described quaternary ammonium compound is selected from: the mixture of one or more in n-zephiran, n-alkyl dimethyl ethylbenzylammonium chloride, two n-zephiran, benzalkonium bromide and the benzalkonium chloride etc.; Wherein the n in the n-zephiran is 8-18; N in two n-zephirans is 8-14, and the n in the n-alkyl dimethyl ethylbenzylammonium chloride is 12-18.
4. leather composite bactericidal mould inhibitor as claimed in claim 1 is characterized in that described corrosion inhibiter is selected from: the mixture of one or more in Sodium Benzoate, gluconic acid sodium salt, the sodium salicylate etc.
5. leather composite bactericidal mould inhibitor as claimed in claim 1 is characterized in that described wet concentration certainly: deionized water.
6. like the described arbitrary leather composite bactericidal mould inhibitor of claim 1-5, it is characterized in that: with described leather composite bactericidal mould inhibitor dilution, dilution ratio is 50-500 times.
7. like the preparation of the described arbitrary leather composite bactericidal mould inhibitor of claim 1-6; It is characterized in that: with quaternary ammonium compound, 2-bromo-2-nitro-1, ammediol and Tuo Li dragon B mixes stirring by 50% water of above-mentioned mass percent and above-mentioned mass percent and was mixed with compounding substances A in 3 hours; Iodo propinyl ammonia butyl formate, corrosion inhibiter, ethanol are mixed stirring by above-mentioned mass percent be mixed with compounding substances B in 3 hours with the water of above-mentioned mass percent remaining 50%; With said mixture matter A and said mixture matter B stirring reaction 2 hours, left standstill again 2 hours, mixed mixture is carried out assay, qualified mixture is packed, be qualified products.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110224041A CN102318625A (en) | 2011-08-05 | 2011-08-05 | Preparation of leather composite bactericidal mould inhibitor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110224041A CN102318625A (en) | 2011-08-05 | 2011-08-05 | Preparation of leather composite bactericidal mould inhibitor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102318625A true CN102318625A (en) | 2012-01-18 |
Family
ID=45446571
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110224041A Pending CN102318625A (en) | 2011-08-05 | 2011-08-05 | Preparation of leather composite bactericidal mould inhibitor |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102619085A (en) * | 2012-04-06 | 2012-08-01 | 福建锦江科技有限公司 | Deodorization polyamide fiber and preparation method thereof |
| CN103757908A (en) * | 2013-12-31 | 2014-04-30 | 吴江市七都镇庙港雅迪针织制衣厂 | Anti-mite finishing agent for silk fabrics |
| CN105284893A (en) * | 2015-10-30 | 2016-02-03 | 明光市良宇家俬有限公司 | Efficient disinfectant for sofa leather |
| CN106726705A (en) * | 2017-01-04 | 2017-05-31 | 长江医学科学院 | A kind of skin cleansing liquid and preparation method thereof |
| CN107047636A (en) * | 2017-06-22 | 2017-08-18 | 上海于泽生物科技有限公司 | One kind kills mould mould inhibitor and preparation method thereof |
| CN107460263A (en) * | 2017-08-29 | 2017-12-12 | 安徽乐踏鞋业有限公司 | A kind of Leather mildew-proof method |
| CN108935496A (en) * | 2018-06-29 | 2018-12-07 | 广州超威日化股份有限公司 | Long-acting mould-proof bacteria remover and preparation method thereof |
-
2011
- 2011-08-05 CN CN201110224041A patent/CN102318625A/en active Pending
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102619085A (en) * | 2012-04-06 | 2012-08-01 | 福建锦江科技有限公司 | Deodorization polyamide fiber and preparation method thereof |
| CN102619085B (en) * | 2012-04-06 | 2013-11-06 | 福建锦江科技有限公司 | Deodorization polyamide fiber and preparation method thereof |
| CN103757908A (en) * | 2013-12-31 | 2014-04-30 | 吴江市七都镇庙港雅迪针织制衣厂 | Anti-mite finishing agent for silk fabrics |
| CN103757908B (en) * | 2013-12-31 | 2016-03-16 | 吴江市七都镇庙港雅迪针织制衣厂 | Silk fabric anti-mite finishing agent |
| CN105284893A (en) * | 2015-10-30 | 2016-02-03 | 明光市良宇家俬有限公司 | Efficient disinfectant for sofa leather |
| CN106726705A (en) * | 2017-01-04 | 2017-05-31 | 长江医学科学院 | A kind of skin cleansing liquid and preparation method thereof |
| CN107047636A (en) * | 2017-06-22 | 2017-08-18 | 上海于泽生物科技有限公司 | One kind kills mould mould inhibitor and preparation method thereof |
| CN107460263A (en) * | 2017-08-29 | 2017-12-12 | 安徽乐踏鞋业有限公司 | A kind of Leather mildew-proof method |
| CN108935496A (en) * | 2018-06-29 | 2018-12-07 | 广州超威日化股份有限公司 | Long-acting mould-proof bacteria remover and preparation method thereof |
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Application publication date: 20120118 |