CN1276033C - Modified sodium percarbonate and preparation method thereof - Google Patents
Modified sodium percarbonate and preparation method thereof Download PDFInfo
- Publication number
- CN1276033C CN1276033C CN 03148070 CN03148070A CN1276033C CN 1276033 C CN1276033 C CN 1276033C CN 03148070 CN03148070 CN 03148070 CN 03148070 A CN03148070 A CN 03148070A CN 1276033 C CN1276033 C CN 1276033C
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- Prior art keywords
- spc
- modification
- coating material
- particle
- metal salt
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
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- 238000002360 preparation method Methods 0.000 title claims abstract description 13
- VTIIJXUACCWYHX-UHFFFAOYSA-L disodium;carboxylatooxy carbonate Chemical class [Na+].[Na+].[O-]C(=O)OOC([O-])=O VTIIJXUACCWYHX-UHFFFAOYSA-L 0.000 title abstract 7
- 239000002245 particle Substances 0.000 claims abstract description 31
- 238000000576 coating method Methods 0.000 claims abstract description 30
- 239000011248 coating agent Substances 0.000 claims abstract description 29
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical group [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 claims abstract description 24
- 239000000463 material Substances 0.000 claims abstract description 18
- 229910000029 sodium carbonate Inorganic materials 0.000 claims abstract description 12
- -1 alkali metal salt Chemical class 0.000 claims abstract description 11
- 229910052783 alkali metal Inorganic materials 0.000 claims abstract description 10
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 10
- 238000001035 drying Methods 0.000 claims abstract description 9
- 229920001495 poly(sodium acrylate) polymer Polymers 0.000 claims abstract description 9
- NNMHYFLPFNGQFZ-UHFFFAOYSA-M sodium polyacrylate Chemical compound [Na+].[O-]C(=O)C=C NNMHYFLPFNGQFZ-UHFFFAOYSA-M 0.000 claims abstract description 9
- 239000007788 liquid Substances 0.000 claims abstract description 8
- 238000002156 mixing Methods 0.000 claims abstract description 8
- PMZURENOXWZQFD-UHFFFAOYSA-L Sodium Sulfate Chemical compound [Na+].[Na+].[O-]S([O-])(=O)=O PMZURENOXWZQFD-UHFFFAOYSA-L 0.000 claims abstract description 6
- 229910052938 sodium sulfate Inorganic materials 0.000 claims abstract description 6
- 235000011152 sodium sulphate Nutrition 0.000 claims abstract description 6
- 230000004048 modification Effects 0.000 claims description 32
- 238000012986 modification Methods 0.000 claims description 32
- 235000017550 sodium carbonate Nutrition 0.000 claims description 10
- 239000000203 mixture Substances 0.000 claims description 9
- 239000000725 suspension Substances 0.000 claims description 6
- 239000012530 fluid Substances 0.000 claims description 5
- 238000000034 method Methods 0.000 claims description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 14
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 abstract description 11
- 229910052760 oxygen Inorganic materials 0.000 abstract description 10
- 239000001301 oxygen Substances 0.000 abstract description 10
- 238000005406 washing Methods 0.000 abstract description 5
- 239000003599 detergent Substances 0.000 abstract description 4
- 238000004090 dissolution Methods 0.000 abstract description 4
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 abstract description 2
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 abstract description 2
- 239000007844 bleaching agent Substances 0.000 abstract description 2
- 229910052796 boron Inorganic materials 0.000 abstract description 2
- 229910052698 phosphorus Inorganic materials 0.000 abstract description 2
- 239000011574 phosphorus Substances 0.000 abstract description 2
- 238000003756 stirring Methods 0.000 abstract description 2
- 229940045872 sodium percarbonate Drugs 0.000 abstract 3
- DPXJVFZANSGRMM-UHFFFAOYSA-N acetic acid;2,3,4,5,6-pentahydroxyhexanal;sodium Chemical group [Na].CC(O)=O.OCC(O)C(O)C(O)C(O)C=O DPXJVFZANSGRMM-UHFFFAOYSA-N 0.000 abstract 1
- 230000009286 beneficial effect Effects 0.000 abstract 1
- 239000001768 carboxy methyl cellulose Substances 0.000 abstract 1
- 230000007613 environmental effect Effects 0.000 abstract 1
- 235000019812 sodium carboxymethyl cellulose Nutrition 0.000 abstract 1
- 229920001027 sodium carboxymethylcellulose Polymers 0.000 abstract 1
- 238000012360 testing method Methods 0.000 description 6
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 description 4
- 239000000243 solution Substances 0.000 description 4
- 230000009471 action Effects 0.000 description 2
- 238000004061 bleaching Methods 0.000 description 2
- 238000000354 decomposition reaction Methods 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 239000010457 zeolite Substances 0.000 description 2
- 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
- BGRWYDHXPHLNKA-UHFFFAOYSA-N Tetraacetylethylenediamine Chemical compound CC(=O)N(C(C)=O)CCN(C(C)=O)C(C)=O BGRWYDHXPHLNKA-UHFFFAOYSA-N 0.000 description 1
- 229910021536 Zeolite Inorganic materials 0.000 description 1
- 239000012190 activator Substances 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 229910052784 alkaline earth metal Inorganic materials 0.000 description 1
- 239000003637 basic solution Substances 0.000 description 1
- 125000003178 carboxy group Chemical group [H]OC(*)=O 0.000 description 1
- 239000001913 cellulose Substances 0.000 description 1
- 229920002678 cellulose Polymers 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 239000008367 deionised water Substances 0.000 description 1
- 229910021641 deionized water Inorganic materials 0.000 description 1
- HNPSIPDUKPIQMN-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical compound O=[Si]=O.O=[Al]O[Al]=O HNPSIPDUKPIQMN-UHFFFAOYSA-N 0.000 description 1
- 238000004945 emulsification Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 150000003016 phosphoric acids Chemical class 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 239000011734 sodium Substances 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- MSLRPWGRFCKNIZ-UHFFFAOYSA-J tetrasodium;hydrogen peroxide;dicarbonate Chemical compound [Na+].[Na+].[Na+].[Na+].OO.OO.OO.[O-]C([O-])=O.[O-]C([O-])=O MSLRPWGRFCKNIZ-UHFFFAOYSA-J 0.000 description 1
Landscapes
- Detergent Compositions (AREA)
Abstract
The invention belongs to the technical field of oxygen-containing bleaching agents, and particularly relates to modified sodium percarbonate and a preparation method thereof. Comprises sodium percarbonate particles and a coating material consisting of alkali metal salt and an organic film-forming agent, wherein the alkali metal salt is selected from sodium carbonate and sodium sulfate, and the organic film-forming agent is selected from sodium carboxymethylcellulose and sodium polyacrylate; the preparation process of the modified sodium percarbonate comprises the following steps: stirring and mixing 35-55% of coating liquid and sodium carbonate particles in a mixer, and drying the coated sodium percarbonate by a fluidized bed; the modified sodium percarbonate of the invention has active oxygen content of 8.2-12.5%, high moisture stability and water dissolution speed, improved performance of sodium percarbonate, washing assistant function and oxygen-containing detergent. Meanwhile, the coating material does not contain elements such as phosphorus, boron and the like which are harmful to the environment, so the product of the invention is beneficial to environmental protection.
Description
Technical field
The invention belongs to the oxygen-bearing bleaching agent technical field, particularly a kind of modification SPC-D and preparation method thereof.
Background technology
SPC-D (being called for short SPC) is to replace crystal water bonded sodium carbonate peroxide, molecular formula: 2Na with hydrogen peroxide
2CO
33H
2O, SPC-D is owing to contain higher active oxygen＞10.5%, so, claim the hydrogen peroxide of solid form again.SPC-D is to the water less stable, if water-soluble, will demonstrate active the reduction in one hour, but it can play a role when lesser temps washs.SPC-D in basic solution, H
2O
2Discharge atomic oxygen, can play very strong bleaching action.
The wet less stable of SPC-D, it is during as the family type washing composition, and the moisture content in the washing composition and other washing auxiliary detergent (as zeolite) can promote the decomposition of SPC-D.Therefore, the SPC product stock time is shorter, and this just causes restriction to the range of application of SPC-D.
The disclosed SPC-D of Chinese patent CN 1389554A is as the base-material of oxygen-bearing detergent, but according to the performance of common SPC-D, it can not be associated with Sumizyme MP, can not be shared with activator TAED, therefore, SPC-D can not with these additive mixtures.Secondly SPC-D only has bleaching action, does not have dirt-removing functions.
For the performance of improved yellow soda ash, the method to the SPC-D parcel has appearred, at the inorganic or organic membrane of the surface of SPC-D particle parcel one deck.Inorganic wrap adopts the alkaline-earth metal salt, as yellow soda ash, phosphoric acid salt etc.; Organic wrap mainly is low-melting wax class.Yet, the SPC-D of taking the coated method of one matter to produce, its improvement in performance is very small, and the performance of wet stability and low-temperature decomposition is not changed yet.Therefore, designing and developing a kind of wet stability of SPC-D that can make and improve a lot, have quick solvability and help the modification SPC-D of washing function, is very favourable for the range of application that enlarges SPC-D, and this will be a purpose of the present invention.
Summary of the invention
The present invention can be achieved through the following technical solutions:
A kind of modification SPC-D comprises SPC-D particle and coating material, it is characterized in that coating material is made of an alkali metal salt and organic membrane-forming agent, and the butt weight of coating material accounts for modification SPC-D butt weight 22%～36%; An alkali metal salt is selected yellow soda ash and sodium sulfate or wherein a kind of for use, and organic membrane-forming agent is selected carboxy cellulose sodium and sodium polyacrylate or wherein a kind of for use;
Described modification SPC-D, feature are that the butt weight percent of an alkali metal salt in the coating material is 70%～99.5%, and organic membrane-forming agent butt weight percent is 0.5%～30%;
Described modification SPC-D, feature are that the particle diameter of SPC-D particle is 0.1～1.5 millimeter;
A kind of preparation method of modification SPC-D, its technology step is poly-:
1. press coating material component proportioning, be deployed into concentration and be 35%～55% solution or suspension;
2. the SPC-D particle is dropped in the mixing machine, mix with the coating feed liquid;
3. send into fluidised bed drying through mixing the SPC-D particle that applies;
4. exsiccant modification SPC-D is cooled to room temperature, sieve finished product.
The preparation method of described modification SPC-D, feature are the SPC-D particles and apply feed liquid under 300 rev/mins of average rates, mixed 10～15 minutes;
The preparation method of described modification SPC-D, feature are that the hot wind pushing temperature of fluid bed dryer is 100 ℃～120 ℃;
The preparation method of described modification SPC-D, but feature is the coating mixed once coating to the SPC-D particle, also can divide secondary to mix and apply.
The present invention is except applying the SPC-D particle, and the importantly adding of coating material makes the performance of SPC-D obtain predetermined improvement, can make it bear to help and wash function, becomes a kind of name and lets alone real oxygen-bearing detergent.Simultaneously, do not contain environmentally harmful elements such as phosphorus, boron, therefore, use product of the present invention to help environment protection as in the coating material of SPC-D modification.
Simultaneously, prescription according to SPC-D coating material of the present invention, the SPC-D active o content of modification is 8.2%～12.5%, though oxygen level is not high, but it can make the wet stability and the dissolving speed of SPC-D improve a lot, and this will enlarge the use range of modification SPC-D effectively.
Below be that the modification SPC-D of embodiment of the invention preparation and the test result of the general SPC-D performance that applies compare:
| Project | Active o content (%) | Median size (μ m) | Dissolution rate (s) | Thermal stability (%) | Wet stability (%) |
| Embodiment one | 10.2 | 623 | 48 | 96 | 68 |
| Embodiment two | 11.2 | 644 | 53 | 97 | 67 |
| Embodiment three | 10.2 | 617 | 62 | 97 | 71 |
| Embodiment four | 9.1 | 652 | 57 | 98 | 76 |
| Embodiment five | 9.8 | 635 | 63 | 99 | 75 |
| Embodiment six | 9.9 | 656 | 65 | 98 | 78 |
| Simultaneous test | 13.2 | 647 | 190 | 96 | 61 |
In the above-mentioned test, the testing method of dissolution rate: the SPC-D that 10 grams is applied modification is placed in the glass beaker that fills the 1000ml deionized water, start constant speed stirrer, rotating speed is 300 rev/mins, and power consumption conductance method is measured the dissolution rate of modification SPC-D.
The testing method of thermostability:, calculate the surplus ratio of sample active oxygen 105 ℃ of following heat modification SPC-D 2 hours.
The testing method of wet stability: 10 gram modification SPC-D are mixed with 10 gram 4A zeolites, be placed in the unlimited incubator, placed 48 hours down and under 80% the relative humidity, calculate the surplus ratio of sample active oxygen at 32 ℃.
Embodiment
Embodiment 1:
Get yellow soda ash 131 gram, Xylo-Mucine 22 grams add in 1000 ml beakers, add water, start the emulsification pretreatment machine 3～5 minutes, are modulated into concentration and are 49% coating suspension.
With 400 gram particles directly is that 0.2 millimeter SPC-D particle (moisture 2%) and above-mentioned suspension add mixing machine, starts constant speed stirrer (300 rev/mins of rotating speeds), stirs 12 minutes; Then, in mixing machine, take out moist modification SPC-D product, drop into the fluid bed dryer inner drying; The wind pushing temperature of drying machine is 115 ± 2 ℃, and when the dryer outlet temperature was 65 ± 1 ℃, fluidized drying finished; At last product is naturally cooled to room temperature, take out modification SPC-D finished product.
Embodiment 2:
Get yellow soda ash 80 grams, Xylo-Mucine 36 grams, sodium polyacrylate (content 30%) 33 grams, water mixed preparing concentration is 50% suspension.Above-mentioned suspension and 500 grams are moisture 10%, the SPC-D mix particles that particle diameter is 0.5 millimeter 15 minutes, and the product after the modification is sent into fluid bed dryer, and wind pushing temperature is 110 ± 2 ℃, when the dryer outlet temperature is 62 ± 1 ℃, the dry end.
Embodiment 3:
Get yellow soda ash 120 grams, Xylo-Mucine 25 grams, sodium polyacrylate (content 30%) 30 grams, water is deployed into the solution of 40% concentration, mixes with the SPC-D particle of 0.1 millimeter of 487 gram water contents, 18.2% particle diameter, and other is identical with embodiment 2.
Embodiment 4:
Get yellow soda ash 155 grams, sodium polyacrylate (content 30%) 20 grams are allocated as concentration 53% solution and mix with the SPC-D particle of 0.8 millimeter of 400 gram water content, 1.5% particle diameter, and other is identical with embodiment 1.
Embodiment 5:
Get sodium sulfate 130 grams, Xylo-Mucine 30 grams, sodium polyacrylate (content 30%) 50 grams, water is deployed into the coating liquid of concentration 54%, apply with the SPC-D mix particles of 1.2 millimeters of 400 gram water content, 2% particle diameters, the fluidized drying of back is identical with embodiment 1.
Embodiment 6:
Get yellow soda ash 51 gram, sodium polyacrylate (content 30%) 67 grams, water is modulated into the primary coating feed liquid of concentration 33.6%, with 400 gram water contents 1.5%, particle diameter be that 1.0 SPC-D mix particles applies, carry out a fluidized drying after the coating.
Get sodium sulfate 77 gram, it is 38% secondary mixings coating liquid that Xylo-Mucine 3 grams, water are deployed into concentration, and carries out secondary through primary coating exsiccant SPC-D particle and mixes coating and post cure drying, and other is identical with embodiment 2.
Claims (6)
1. a modification SPC-D comprises SPC-D particle and coating material, it is characterized in that coating material is made of an alkali metal salt and organic membrane-forming agent, and coating material butt weight accounts for modification SPC-D butt weight 22%～36%; An alkali metal salt is selected yellow soda ash and sodium sulfate or wherein a kind of for use, the butt weight percent of an alkali metal salt is 70%～99.5% in the coating material, organic membrane-forming agent is selected Xylo-Mucine and sodium polyacrylate or wherein a kind of for use, and organic membrane-forming agent butt weight percent is 0.5%～30% in the coating material.
2. modification SPC-D according to claim 1, feature are that the particle diameter of SPC-D particle is 0.1～1.5 millimeter.
3. method for preparing claim 1 modification SPC-D, its processing step:
(1). the butt weight percent by an alkali metal salt in the coating material is 70%～99.5%, and organic membrane-forming agent butt weight percent is 0.5%～30% ratio, is deployed into concentration and is 35%～55% solution or suspension;
(2). the SPC-D particle is dropped in the mixing machine, mix with the coating feed liquid;
(3). send into the fluid bed dryer drying through mixing the SPC-D particle that applies;
(4). exsiccant modification SPC-D is cooled to room temperature, sieve finished product, coating material butt weight accounts for modification SPC-D butt weight 22%～36%, an alkali metal salt is selected yellow soda ash and sodium sulfate or wherein a kind of for use, and organic membrane-forming agent is selected Xylo-Mucine and sodium polyacrylate or wherein a kind of for use.
4. the preparation method of modification SPC-D according to claim 3, feature are the SPC-D particles and apply feed liquid under 300 rev/mins of average rates, mixed 10～15 minutes.
5. the preparation method of modification SPC-D according to claim 3, feature are that the wind pushing temperature of fluid bed dryer is 100 ℃～120 ℃.
6. the preparation method of modification SPC-D according to claim 3, feature are SPC-D particle primary coatings, or secondary applies.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03148070 CN1276033C (en) | 2003-06-30 | 2003-06-30 | Modified sodium percarbonate and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03148070 CN1276033C (en) | 2003-06-30 | 2003-06-30 | Modified sodium percarbonate and preparation method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1566221A CN1566221A (en) | 2005-01-19 |
| CN1276033C true CN1276033C (en) | 2006-09-20 |
Family
ID=34472174
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 03148070 Expired - Lifetime CN1276033C (en) | 2003-06-30 | 2003-06-30 | Modified sodium percarbonate and preparation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1276033C (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB0502056D0 (en) * | 2005-02-01 | 2005-03-09 | Unilever Plc | Modified sodium carbonate carrier meterial |
| EP1939275A1 (en) * | 2006-12-29 | 2008-07-02 | Solvay SA | Non-oxidiser percarbonate particles |
| CN101955162A (en) * | 2010-09-03 | 2011-01-26 | 刘林海 | Method for preparing stable sodium percarbonate granules |
| CN102616752A (en) * | 2012-03-05 | 2012-08-01 | 浙江金科过氧化物股份有限公司 | Sodium percarbonate anti-caking agent composite and application thereof |
| CN108165389A (en) * | 2018-01-04 | 2018-06-15 | 濮阳宏业环保新材料股份有限公司 | The coating material and its application method of a kind of SODIUM PERCARBONATE |
-
2003
- 2003-06-30 CN CN 03148070 patent/CN1276033C/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| CN1566221A (en) | 2005-01-19 |
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Owner name: ZHEJIANG PROV TIME JINKE PEROXIDASE CO., LTD. Free format text: FORMER OWNER: ZHEJIANG JINKE CHEMICAL ENGINEERING CO., LTD. Effective date: 20080808 |
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Address after: 312369 Shangyu Industrial Park, Hangzhou Bay, Zhejiang Province Patentee after: Zhejiang Jinke entertainment Limited by Share Ltd. Address before: 312369 Shangyu Industrial Park, Hangzhou Bay, Zhejiang Province Patentee before: ZHEJIANG JINKE CHEMICALS Co.,Ltd. |
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Address after: 312300 Hangzhou Shangyu economic and Technological Development Zone, Shaoxing, Zhejiang Patentee after: Zhejiang Jinke Daily Chemical New Materials Co.,Ltd. Address before: 312300 Shangyu economic and Technological Development Zone, Hangzhou Bay, Zhejiang Patentee before: ZHEJIANG JINKE HOUSEHOLD CHEMICAL MATERIALS Co.,Ltd. |
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Granted publication date: 20060920 |