CN101955864A - Environmentally-friendly shell cleaning powder and preparation method thereof - Google Patents
Environmentally-friendly shell cleaning powder and preparation method thereof Download PDFInfo
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- CN101955864A CN101955864A CN 201010295185 CN201010295185A CN101955864A CN 101955864 A CN101955864 A CN 101955864A CN 201010295185 CN201010295185 CN 201010295185 CN 201010295185 A CN201010295185 A CN 201010295185A CN 101955864 A CN101955864 A CN 101955864A
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Abstract
The invention discloses environmentally-friendly shell cleaning powder and a preparation method thereof, relating to the field of decontamination. The cleaning powder is prepared from the following raw materials in parts by weight: 35-55 parts of low-mesh shell powder of 80-150 meshes, 30-50 parts of high-mesh shell powder of 200-300 meshes, 1-10 parts of sodium dodecyl benzene sulfonate, 1-15 parts of sodium bicarbonate, 0.5-10 parts of soap powder, 1-5 parts of urea and 0.1-0.2 part of essence. The cleaning powder has the advantages of strong decontamination ability, quick decontamination, stable performance, antibiosis, environment protection, easy storage, no pollution, simple technology and small possibility of causing object striation, protects skin, prevents chap, prevents freezing, is suitable to use under cold conditions, does not corrode metal and has wide decontamination range.
Description
Technical field
The invention belongs to the decontamination field, be specifically related to a kind of environment-friendly type shell scrubbing powder and preparation method thereof.
Background technology
Scrubbing powder is the very big cleaning product of urban and urual areas of whole country's consumption.Now, the scrubbing powder that is used to clean, though a multitude of names, its product is many with traditional technology production, the industrial chemicals price is higher, and cause secondary environmental pollution easily when complex process, use, the restriction that costs an arm and a leg is popularized and implements and human body are had big injury.Remove the oil smoke on the kitchen tools in the grease spot, particularly millwork equipment and kitchen, adopt article such as yellow soda ash, scrubbing powder at present usually.Lipid under alkaline condition more facile hydrolysis become soluble material, promptly certain chemical reaction can take place with oil droplet in soda ash, thereby removes degreasing, but remove greasy dirt with soda ash, but bigger to the human body skin injury, and to machinery equipment and kitchen tools generation corrosive nature, thereby the life-span of minimizing equipment.Though some companies use wilkinite, sawdust or bagasse powder, wollastonite, kaolin, convex-concave rod clay to remove synthetic scrubbing powder as base-material, its raw material, complex process, soil removability is not enough, and scrubbing powder hardness discomfort is not easy to popularize.Patent ZL01131863.5 has announced a kind of special-effect detergent powder, be that a kind of sawdust that wood-working factory produces or bagasse plant wastes such as bagasse powder of gained after powder essence that sugar refinery produced of utilizing is main raw material, add washing powder or soap powder etc. according to a certain percentage and make.Its shortcoming is the hardness deficiency, and is bad to the dirt soil removability of strong adhesion.Main is the scrubbing powder of base-material with ground dolomite or calcite in powder, is equipped with tensio-active agent and other auxiliary agent formation; Ground dolomite or calcite in powder play the mechanical friction effect, help removing being attached to greasy dirt thicker on the article.But because of ground dolomite or calcite in powder do not have adsorption to greasy dirt, so aequum is bigger when using this scrubbing powder to remove fume pollution, desire is removed the smeary article surface scuffing, and the antibiotic and sterilizing ability a little less than.Patent ZL200410011024.3, announced that a kind of high-efficiency cleaning powder is made up of the calcined diatomite of fluxing, linear alkylbenzene sulphonic acid, Surchlor GR 60, yellow soda ash, shortcoming is bigger to the human body skin injury, and complicated process of preparation, expended energy is more, and cost is higher.
Summary of the invention
Having the purpose of this invention is to provide a kind of is the scrubbing powder of base-material with the oyster shell whiting.A kind of preparation method of environment-friendly type shell scrubbing powder is provided simultaneously.What the present invention solved mainly that existing scrubbing powder exists produces cut, influence vessel surface smooth finish, adsorbed oil thing poor performance, human skin is had injury, hardware is had difficult use and the high shortcoming of cost burn into low temperature under vessel.For achieving the above object, the technical solution used in the present invention is: this environment-friendly type shell scrubbing powder is to be made by the raw material raw material of following weight part: 35～55 parts of the low order oyster shell whitings of 80～150 purposes, 30～50 parts of the high order oyster shell whitings of 200～300 purposes, 1～10 part of Sodium dodecylbenzene sulfonate, 1～15 part of sodium bicarbonate, 0.5～10 part of soap powder, 1～5 part in urea, 0.1～0.2 part in essence;
It is standby that pretreated shell is ground into two kinds of other oyster shell whitings of level of high and low order on request; After in proportion oyster shell whiting, Sodium dodecylbenzene sulfonate, soap powder, sodium bicarbonate, urea, the various raw materials of essence being prepared, join in the dry powder blender and stirred 10～30 minutes, discharging is a product.
Described Sodium dodecylbenzene sulfonate, soap powder, sodium bicarbonate, urea and essence are the 100 purpose meals that are not less than through obtaining after the pulverization process separately.
The preparation method of environment-friendly type shell scrubbing powder, this environment-friendly type shell scrubbing powder is made up of the raw material of following weight part: 35～55 parts of the low order oyster shell whitings of 80～150 purposes, 30～50 parts of the high order oyster shell whitings of 200～300 purposes, 1～10 part of Sodium dodecylbenzene sulfonate, 1～15 part of sodium bicarbonate, 0.5～10 part of soap powder, 1～5 part in urea, 0.1～0.2 part in essence;
The preparation method:
(1) shell cleans with clear water earlier, washs with the NaOH or the KOH aqueous solution soaking of 0.1% concentration then, with dirt and the residual slough of removing shell surface;
(2) the described shell that is meant after washing and the alkali cleaning that grinds is ground into 80～150 orders and two kinds of other oyster shell whitings of level of 200～300 purposes with pulverizer;
(3) oyster shell whiting after the pulverizing is dry under 40～100 ℃ of temperature, to remove the entrained crystal water of oyster shell whiting.
What (4) Sodium dodecylbenzene sulfonate, soap powder, sodium bicarbonate, urea and essence are obtained after the pulverization process separately is not less than 100 purpose meals;
(5) the various raw materials of oyster shell whiting, Sodium dodecylbenzene sulfonate, soap powder, sodium bicarbonate, urea and essence are joined stir 10～30 minutes in the dry powder blender in proportion, discharging is a product.
The present invention utilizes oyster shell whiting to be main raw material, and it is not only friction agent, sorbent material, antiseptic-germicide and stain remover among the present invention, and has softening of water, fractionation by adsorption and ion exchange.Contain mass crystallization inorganics and natural polymer in the shell, inorganics such as lime carbonate and calcium phosphate, natural polymer such as protein and polysaccharide organically couple together the natural inorganic thing by natural polymer.Since the inorganic phase in the shell and the characteristic dimension of organic phase in submicron to nano level, be a kind of natural organic---inorganic hybrid material, guaranteed that shell has very high hardness, has simultaneously good toughness again, it is to being had stronger mechanical friction effect and don't can causing cut by the article of wiping, simultaneously natural organism is to cleaning the effect that thing has increases luminance brightness; Shellfish material has inside and has formed uniform duct, many apertures and the very big advantage of internal surface area, cause oyster shell whiting to have very strong adsorptive power, can adsorb various ash lifes and dirt expeditiously and have softening of water, fractionation by adsorption and ion exchange; Simultaneously, oyster shell whiting fine size, quality are light, the whiteness sense organ is good, and high stability is convenient to storing; Shell contains abundant natural chitin class binding agent and active substance, totally nontoxic not only, and have good adhesive property and anti-water etch resistant properties; Oyster shell whiting contains chitin itself and possesses anticorrosionly and prevent the microbial attack function, is natural antibacterial bacteriostatic material, can reduce the usage quantity of poisonous antisepsis and sterilization component, does not even use; The advantage of these natural structures just is the natural materials that serves as scrubbing powder or scrubbing powder base-material, can protect vessel to preserve from and strong soil removability.Shell is a kind of natural resource of cheapness, and is inexhaustible.At present, Comprehensive Utilization of Shells is limited in one's ability, and pile up like a mountain by the sea often can to see shell, rots, and when environment is caused very big pollution, also wastes valuable resource.
Major ingredient is that the soap powder and the sodium alkyl benzene sulfonate of fat acid sodium-salt and bubble flower alkali is the alkalify chemical product entirely, its pH value is between 9～11, and these anion surfactants are the dispersed encapsulated oil droplet in decontamination process, thereby can make grease emulsifying, form emulsion, greasy dirt just is eliminated easily.Sodium soap and sodium alkyl benzene sulfonate in the special soap powder can produce " collaborative decontamination effect ", soap powder can suppress the foaming power of sodium alkyl benzene sulfonate, it is clear excessively to make article-cleaning be easy to rinsing, because the two has used many benefits with, mixes the soil removability that has improved the two mutually.Sodium dodecylbenzene sulfonate and soap powder are stain remover and the lubricants among the present invention.
Shell is through a certain amount of sodium hydroxide of absorption or potassium hydroxide after the alkali cleaning, sodium hydroxide or potassium hydroxide are a kind of white crystalline powder, and it can be dissolved in the water fully, its aqueous solution can with the greasy dirt react with, thereby have stronger fat abstraction, it is the stain remover among the present invention.The adding of auxiliary material essence can make product distribute strong aromatic odour stably and lastingly, and it is the perfume agent among the present invention.
Urea (urea) is colourless or white needles or bar-shaped xln, water-soluble, pure, be insoluble to ether, chloroform, be slight alkalinity, urea has the effect of removing the epiderm skin stratum corneum and keeping skin moisturizing, effectively antibiotic skin-care, anti-chap, anti-pernio and can suppress streptococcus aureus, Candida albicans, and almost be free from side effects.Urea is for hardware, and advantage is a corroding metal not.Thereby urea is skin-protecting agent, sanitas, frostproofer, the sterilant among the present invention.
Sodium bicarbonate can cushion the alkalescence of scrubbing powder neutral and alkali raw material, makes alkalescence gentle, in addition with the synergy of urea, avoids skin is formed the corrodibility injury with cleaning the thing surface, and it is the buffer reagent among the present invention.
In sum, it is main raw material that the present invention adopts the pure natural oyster shell whiting, be equipped with other auxiliary material and synthesize scrubbing powder, preparation technology is simple, product excellent adsorption, chemical property are stable, the anticorrosion anti-low temperature of skin care, its color and luster be white, sense organ is good, fragrant odour is stable lasting, it all has great clean effect to particulate fouling, protein dirt, oily dirt and dust, and has and do not scratch article surface and make significantly ornamental performance of surface.Present device less investment, technology are simple, easy handling, low, the stable performance of price, are convenient to accumulating.
Embodiment
Shell cleans with clear water earlier, washs with the NaOH or the KOH aqueous solution soaking of 0.1% concentration then, with dirt and the residual slough of removing shell surface; Shell is ground into 80～150 orders and two kinds of other oyster shell whitings of level of 200～300 purposes with pulverizer; Oyster shell whiting after the pulverizing is dry under 40～100 ℃ of temperature, to remove the entrained crystal water of oyster shell whiting; With Sodium dodecylbenzene sulfonate, soap powder, sodium bicarbonate, urea and essence obtain after the pulverization process separately to be not less than 100 purpose meals standby.
Embodiment 1
Take by weighing the low order oyster shell whiting 45g of 85 purposes, the high order oyster shell whiting of 200 purposes 35g, Sodium dodecylbenzene sulfonate 7g, sodium bicarbonate 9g, soap powder 2g, urea 2g, essence 0.08g joins respectively in the dry powder blender and stirred 30 minutes, and discharging is a product.
Embodiment 2
Take by weighing the low order oyster shell whiting 50g of 80 purposes, the high order oyster shell whiting of 300 purposes 40g, Sodium dodecylbenzene sulfonate 8g, sodium bicarbonate 10g, soap powder 5g, urea 3g, essence 0.1g joins respectively in the dry powder blender and stirred 20 minutes, and discharging is a product.
Embodiment 3
Take by weighing the low order oyster shell whiting 70g of 90 purposes, the high order oyster shell whiting of 210 purposes 65g, Sodium dodecylbenzene sulfonate 10g, sodium bicarbonate 15g, soap powder 10g, urea 6g, essence 0.2g joins respectively in the dry powder blender and stirred 10 minutes, and discharging is a product.
Embodiment 4
Take by weighing the low order oyster shell whiting 100g of 100 purposes, the high order oyster shell whiting of 250 purposes 80g, Sodium dodecylbenzene sulfonate 16g, sodium bicarbonate 25g, soap powder 15g, urea 10g, essence 0.25g joins respectively in the dry powder blender and stirred 16 minutes, and discharging is a product.
Embodiment 5
Take by weighing the low order oyster shell whiting 120g of 150 purposes, the high order oyster shell whiting of 280 purposes 100g, Sodium dodecylbenzene sulfonate 20g, sodium bicarbonate 20g, soap powder 20g, urea 12g, essence 0.4g joins respectively in the dry powder blender and stirred 19 minutes, and discharging is a product.
Embodiment 6
Take by weighing the low order oyster shell whiting 110g of 110 purposes, the high order oyster shell whiting of 210 purposes 85g, Sodium dodecylbenzene sulfonate 10g, sodium bicarbonate 20g, soap powder 5g, urea 8g, essence 0.3g joins respectively in the dry powder blender and stirred 25 minutes, and discharging is a product.
Embodiment 7
Take by weighing the low order oyster shell whiting 200g of 120 purposes, the high order oyster shell whiting of 270 purposes 180g, Sodium dodecylbenzene sulfonate 20g, sodium bicarbonate 40g, soap powder 10g, urea 12g, essence 0.5g joins respectively in the dry powder blender and stirred 21 minutes, and discharging is a product.
Embodiment 8
Take by weighing the low order oyster shell whiting 210g of 140 purposes, the high order oyster shell whiting of 220 purposes 200g, Sodium dodecylbenzene sulfonate 35g, sodium bicarbonate 30g, soap powder 20g, urea 15g, essence 0.5g joins respectively in the dry powder blender and stirred 30 minutes, and discharging is a product.
Embodiment 9
Take by weighing the low order oyster shell whiting 300g of 150 purposes, the high order oyster shell whiting of 220 purposes 280g, Sodium dodecylbenzene sulfonate 50g, sodium bicarbonate 80g, soap powder 50g, urea 30g, essence 1.3g joins respectively in the dry powder blender and stirred 20 minutes, and discharging is a product.
Embodiment 10
Take by weighing the low order oyster shell whiting 500g of 100 purposes, the high order oyster shell whiting of 220 purposes 450g, Sodium dodecylbenzene sulfonate 90g, sodium bicarbonate 120g, soap powder 90g, urea 40g, essence 2g joins respectively in the dry powder blender and stirred 26 minutes, and discharging is a product.
Claims (3)
1. environment-friendly type shell scrubbing powder, it is characterized in that: be to make: 35～55 parts of the low order oyster shell whitings of 80～150 purposes by the raw material raw material of following weight part, 30～50 parts of the high order oyster shell whitings of 200～300 purposes, 1～10 part of Sodium dodecylbenzene sulfonate, 1～15 part of sodium bicarbonate, 0.5～10 part of soap powder, 1～5 part in urea, 0.1～0.2 part in essence; It is standby that pretreated shell is ground into two kinds of other oyster shell whitings of level of high and low order on request; After in proportion oyster shell whiting, Sodium dodecylbenzene sulfonate, soap powder, sodium bicarbonate, urea, the various raw materials of essence being prepared, join in the dry powder blender and stirred 10～30 minutes, discharging is a product.
2. according to the described environment-friendly type shell of claim 1 scrubbing powder, it is characterized in that: described Sodium dodecylbenzene sulfonate, soap powder, sodium bicarbonate, urea and essence are the 100 purpose meals that are not less than through obtaining after the pulverization process separately.
3. the preparation method of an environment-friendly type shell scrubbing powder, it is characterized in that: this environment-friendly type shell scrubbing powder is made up of the raw material of following weight part: 35～55 parts of the low order oyster shell whitings of 80～150 purposes, 30～50 parts of the high order oyster shell whitings of 200～300 purposes, 1～10 part of Sodium dodecylbenzene sulfonate, 1～15 part of sodium bicarbonate, 0.5～10 part of soap powder, 1～5 part in urea, 0.1～0.2 part in essence;
The preparation method:
(1) shell cleans with clear water earlier, washs with the NaOH or the KOH aqueous solution soaking of 0.1% concentration then, with dirt and the residual slough of removing shell surface;
(2) the described shell that is meant after washing and the alkali cleaning that grinds is ground into 80～150 orders and two kinds of other oyster shell whitings of level of 200～300 purposes with pulverizer;
(3) oyster shell whiting after the pulverizing is dry under 40～100 ℃ of temperature, to remove the entrained crystal water of oyster shell whiting.
What (4) Sodium dodecylbenzene sulfonate, soap powder, sodium bicarbonate, urea and essence are obtained after the pulverization process separately is not less than 100 purpose meals;
(5) the various raw materials of oyster shell whiting, Sodium dodecylbenzene sulfonate, soap powder, sodium bicarbonate, urea and essence are joined stir 10～30 minutes in the dry powder blender in proportion, discharging is a product.
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| Application Number | Priority Date | Filing Date | Title |
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| CN2010102951855A CN101955864B (en) | 2010-09-28 | 2010-09-28 | Environmentally-friendly shell cleaning powder and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2010102951855A CN101955864B (en) | 2010-09-28 | 2010-09-28 | Environmentally-friendly shell cleaning powder and preparation method thereof |
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| CN101955864A true CN101955864A (en) | 2011-01-26 |
| CN101955864B CN101955864B (en) | 2012-07-04 |
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| CN2010102951855A Expired - Fee Related CN101955864B (en) | 2010-09-28 | 2010-09-28 | Environmentally-friendly shell cleaning powder and preparation method thereof |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104388208A (en) * | 2014-11-07 | 2015-03-04 | 舟山赛莱特海洋科技有限公司 | Method for preparing pesticide-removing fruit and vegetable cleaning agent based on shell powder |
| CN106072776A (en) * | 2016-07-28 | 2016-11-09 | 华巧波 | A kind of health type electronic cigarette is cotton |
| CN106108115A (en) * | 2016-07-28 | 2016-11-16 | 华巧波 | A kind of health-care type electronic smoke cigarette is cotton |
| CN106318691A (en) * | 2016-08-08 | 2017-01-11 | 吴敬华 | Ultrafine calcium powder-containing bacteriostasis liquid detergent and preparation method thereof |
| CN106520385A (en) * | 2016-08-31 | 2017-03-22 | 张立超 | Novel, healthy, environment-friendly and skin-care multifunctional cleanser powder and preparation process therefor |
| CN107904055A (en) * | 2017-12-06 | 2018-04-13 | 孙中秋 | Kitchen vegetable bowl deoils detergent |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1163927A (en) * | 1996-09-05 | 1997-11-05 | 辛益群 | Cleaning agent containing biological friction material |
| CN1611593A (en) * | 2003-10-28 | 2005-05-04 | 丁庆 | Super-cleaning agent manufacture and its function |
| CN101831364A (en) * | 2010-05-07 | 2010-09-15 | 广东工业大学 | Sterilized mildew-proof cleaning powder of natural shell powder and preparation method thereof |
-
2010
- 2010-09-28 CN CN2010102951855A patent/CN101955864B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1163927A (en) * | 1996-09-05 | 1997-11-05 | 辛益群 | Cleaning agent containing biological friction material |
| CN1611593A (en) * | 2003-10-28 | 2005-05-04 | 丁庆 | Super-cleaning agent manufacture and its function |
| CN101831364A (en) * | 2010-05-07 | 2010-09-15 | 广东工业大学 | Sterilized mildew-proof cleaning powder of natural shell powder and preparation method thereof |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104388208A (en) * | 2014-11-07 | 2015-03-04 | 舟山赛莱特海洋科技有限公司 | Method for preparing pesticide-removing fruit and vegetable cleaning agent based on shell powder |
| CN106072776A (en) * | 2016-07-28 | 2016-11-09 | 华巧波 | A kind of health type electronic cigarette is cotton |
| CN106108115A (en) * | 2016-07-28 | 2016-11-16 | 华巧波 | A kind of health-care type electronic smoke cigarette is cotton |
| CN106318691A (en) * | 2016-08-08 | 2017-01-11 | 吴敬华 | Ultrafine calcium powder-containing bacteriostasis liquid detergent and preparation method thereof |
| CN106520385A (en) * | 2016-08-31 | 2017-03-22 | 张立超 | Novel, healthy, environment-friendly and skin-care multifunctional cleanser powder and preparation process therefor |
| CN107904055A (en) * | 2017-12-06 | 2018-04-13 | 孙中秋 | Kitchen vegetable bowl deoils detergent |
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| CN101955864B (en) | 2012-07-04 |
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