CN103875656B - A kind of solution-stabilized auxiliary agent, directly can dilute composition solution and the application thereof of the isothiazolone-containing of use - Google Patents
A kind of solution-stabilized auxiliary agent, directly can dilute composition solution and the application thereof of the isothiazolone-containing of use Download PDFInfo
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Abstract
A kind of solution-stabilized auxiliary agent, directly can dilute composition solution and the application thereof of the isothiazolone-containing of use.A kind of composition solution that directly can dilute the isothiazolone-containing of use, isothiazolinone derivatives containing 0.5 ~ 20% weight, the solution-stabilized auxiliary agent of 5 ~ 15% weight and the solvent of surplus, wherein, said isothiazolinone derivatives is the mixture of CMIT and MIT, said solution-stabilized auxiliary agent, be made up of 2-bromine 2-nitro-1,3-propylene glycol, magnesium salts and at least one be selected from polyepoxy sodium succinate, sodium Diacetate, Sodium Glycinate, sodium tartrate and natrium malicum.The art of this patent is not containing formaldehyde, methyl alcohol, non-copper ions, and environmental friendliness, has thoroughly stopped the corrosion of copper ion to system equipment; Fast as its sterilization speed of bactericide, bacteriostasis is stronger, and action time is more of a specified duration, and stability is better; It directly can dilute use, facilitates user and use cost is lower.
Description
Technical field
The invention relates to a kind of solution-stabilized auxiliary agent, the composition solution of isothiazolone-containing and application thereof.
Background technology
Use isothiazoline-3-ketone can control the microbial growth in industrial environment (metal fluid, the cooling water in cooling tower, emulsion, plastic foil etc.), makes isothiazoline-3-ketone obtain long-term bactericidal activity by adding system stability agent.Although the chemicals of formaldehyde or release formaldehyde is common system stability agent, the feature such as its volatility, high temperature degradation, higher expense, difficult and potential toxicity, preferably avoids using.Typical system stability agent also has nitrate, and such as, isothiazolinone derivatives---CMIT/MIT mixture is as the Biocidal algae-killing agent of industrial circulating cooling water, and commodity concentration is 1.5%, usually needs to add 2 ~ 4 ‰ copper nitrates as stabilizing agent in formula,
US3,870,795 and US4,067,878 explanations add nitrous acid slaine or nitric acid slaine carrys out stable isothiazolinone with the degraded of chemically resistant material, but other usual slaine, comprise carbonate, sulphate, chlorate, perchlorate and chloride stablize the solution efficacy of isothiazolinone not as nitrous acid slaine or nitric acid slaine.Use mantoquita to be as stabilizing agent Problems existing, (1) copper has potentiality etching problem, and the electrochemical corrosion of system metallic recuperator can be caused to occur; (2) breakdown of emulsion can be caused when using in the product such as emulsion, cutting fluid; (3) in printing and dyeing, dyeing and finishing technology, use can produce flaw; (4) " salt bunch " phenomenon can be produced when using in water paint, cause production defective; (5) copper ion is heavy metal, is discharged in environment and can causes pollution.
Summary of the invention
An object of the present invention is for the deficiencies in the prior art, provides a kind of solution-stabilized auxiliary agent being different from prior art, particularly not containing mantoquita and other heavy metal.
Two of object of the present invention is to provide a kind of composition solution of isothiazolone-containing, and said composition solution is longer than the prior art stable existence time due to above-mentioned solution-stabilized auxiliary agent, not copper ions, directly can dilute use.
Three of object of the present invention is to provide the method be applied to as bactericide by the composition solution of isothiazolone-containing in industrial circle.
Inventor finds through great many of experiments, when with the bromo-2-nitro-1 of 2-, ammediol (BNP) and at least one special auxiliary agent, join isothiazolone-containing with special ratios bactericide original liquid product in time, the inorganic mantoquita of divalence need not be added again as stabilizing agent, the composition solution of stable isothiazolone-containing can be obtained, its effect is better than taking mantoquita as the effect of stabilizing agent, and bactericidal effect is good.Based on this, form the present invention.
Therefore, solution-stabilized auxiliary agent provided by the invention, is characterized in that being made up of 2-bromine 2-nitro-1,3-propylene glycol, magnesium salts and at least one be selected from polyepoxy sodium succinate, sodium Diacetate, Sodium Glycinate, sodium tartrate and natrium malicum.
The composition solution that directly can dilute the isothiazolone-containing of use provided by the invention, it is characterized in that said composition contains the isothiazolinone derivatives of 0.5 ~ 20% weight, the solution-stabilized auxiliary agent of 5 ~ 15% weight and the solvent of surplus, wherein, said isothiazolinone derivatives is the mixture of CMIT and MIT, said solution-stabilized auxiliary agent is by 2-bromine 2-nitro-1, ammediol, magnesium salts be selected from polyepoxy sodium succinate, sodium Diacetate, Sodium Glycinate, the mixture of at least one composition in sodium tartrate and natrium malicum, said solvent is selected from water, dipropylene glycol or polyethylene glycol.
The above-mentioned composition solution that directly can dilute the isothiazolone-containing of use provided by the invention, the field that the easy breakdown of emulsion such as coating, cosmetics, latex product maybe cannot use heavy metal ion can better be applied to, and high field is required to color, as industries such as weaving, papermaking, cosmetics, brightening agents.The composition solution of said isothiazolone-containing can be used in Treatment of Industrial Water, coating, paint, washing agent, ink, textile dyeing and finishing, papermaking, brightening agent, latex product, cosmetic field as bactericide.When it is in Treatment of Industrial Water, bactericide injected volume counts 0.2 ~ 10 milligram/often liter water for industrial use, preferably 0.5 ~ 2 milligram/often liter water for industrial use with isothiazolinone derivatives weight wherein.
Feature of the present invention is:
(1) composition solution that directly can dilute the isothiazolone-containing of use provided by the invention, not containing formaldehyde, methyl alcohol, containing heavy metal, particularly not copper ions, has thoroughly stopped the corrosion of copper ion to system equipment, environmental protection more.
(2) demulsifying phenomenon in product emulsion production process can be avoided to produce, avoid flaw in papermaking, dyeing and finishing process to occur.
(3) product stability is better, and sterilization speed is fast, and bacteriostasis is stronger, and action time is more of a specified duration.
(4) composition solution of isothiazolone-containing directly can dilute use, and direct running water can be added stoste and just can obtain formulation product, without the need to deionized water, also not need to add any stabilizing agent, more convenient user uses, and use cost is lower.
Embodiment
Solution-stabilized auxiliary agent provided by the invention, is characterized in that being made up of 2-bromine 2-nitro-1,3-propylene glycol, magnesium salts and at least one be selected from polyepoxy sodium succinate, sodium Diacetate, Sodium Glycinate, sodium tartrate and natrium malicum.Preferably, in the said solution-stabilized auxiliary agent of the present invention, said 2-bromine 2-nitro-1,3-propylene glycol is in weight 1 part, then the parts by weight being selected from least one in polyepoxy sodium succinate, sodium Diacetate, Sodium Glycinate, sodium tartrate and natrium malicum are 0.2 ~ 5 part; More preferably, said 2-bromine 2-nitro-1,3-propylene glycol is 1 with the parts by weight ratio of at least one be selected from polyepoxy sodium succinate, sodium Diacetate, Sodium Glycinate, sodium tartrate and natrium malicum: (0.8 ~ 2.0); Most preferably, said 2-bromine 2-nitro-1,3-propylene glycol is 1 with the parts by weight ratio of at least one be selected from polyepoxy sodium succinate, sodium Diacetate, Sodium Glycinate, sodium tartrate and natrium malicum: (0.95 ~ 1.1).Magnesium salts accounts for 40 ~ 60 % by weight of said auxiliary agent, and said magnesium salts is generally magnesium chloride and/or magnesium nitrate.
In a preferred embodiment of the present invention, said solution-stabilized auxiliary agent contains 2-bromine 2-nitro-1, ammediol, magnesium salts and sodium Diacetate, can only by 2-bromine 2-nitro-1, ammediol, magnesium salts and sodium Diacetate form, also can be except 2-bromine 2-nitro-1,3-propylene glycol, magnesium salts and sodium Diacetate, also containing one or more in Sodium Glycinate, sodium tartrate and natrium malicum.
In a preferred embodiment of the present invention, said solution-stabilized auxiliary agent is by 2-bromine 2-nitro-1, ammediol, magnesium salts and sodium Diacetate form, wherein 2-bromine 2-nitro-1, the parts by weight ratio of ammediol and sodium Diacetate is 0.95 ~ 1.05:1, and magnesium salts accounts for 48 ~ 52 % by weight of this more preferred auxiliary agent.Said magnesium salts dawn known to those skilled in the art, be usually selected from magnesium chloride and/or magnesium nitrate.
Solution-stabilized auxiliary agent provided by the invention, its preparation process there is no special feature, is well known to those skilled in the art, and namely each component is simply mixed according to the proportioning of auxiliary agent, no longer numerously states.
Present invention also offers a kind of composition solution that directly can dilute the isothiazolone-containing of use, said composition solution contains the solvent of the isothiazolinone derivatives of 0.5 ~ 20% weight, the solution-stabilized auxiliary agent of 5 ~ 15% weight and surplus.Wherein, said isothiazolinone derivatives is the mixture of CMIT and MIT; Said solution-stabilized auxiliary agent is the mixture of 2-bromine 2-nitro-1,3-propylene glycol and at least one be selected from polyepoxy sodium succinate, sodium Diacetate, Sodium Glycinate, sodium tartrate and natrium malicum and magnesium salts; Said magnesium salts is selected from magnesium chloride and/or magnesium nitrate; Said solvent is selected from water, dipropylene glycol or polyethylene glycol.
Saidly can directly to dilute in the composition solution of the isothiazolone-containing of use, said isothiazolinone derivatives, the preferred weight ratio of its CMIT and MIT is 2 ~ 4:1, and preferred part by weight is 3:1.
Saidly can directly to dilute in the composition solution of the isothiazolone-containing of use, said solution-stabilized auxiliary agent is preferably by 2-bromine 2-nitro-1, ammediol, magnesium salts and sodium Diacetate form, wherein, said 2-bromine 2-nitro-1, ammediol weight is 1 part of meter, and the weight of sodium Diacetate is 0.2 ~ 5 part, and magnesium salts accounts for 40 ~ 60 % by weight of said auxiliary agent.
Of the present inventionly can directly dilute in a preferred embodiment of the composition solution of the isothiazolone-containing of use, isothiazolinone derivatives containing 1.5 ~ 15% weight, the solution-stabilized auxiliary agent of 9 ~ 11% weight and the solvent of surplus, wherein, said isothiazolinone derivatives is ratio is the CMIT of 3:1 and the mixture of MIT, in said solution-stabilized auxiliary agent, 2-bromine 2-nitro-1, ammediol is in 1 part, the weight of sodium Diacetate is 0.95 ~ 1.05 part, magnesium salts accounts for 48 ~ 52% of solution-stabilized auxiliary agent, said solvent is water.At this moment, the stability of said composition solution and fungicidal effectiveness more excellent.
Provided by the inventionly can directly dilute in the composition solution of the isothiazolone-containing of use, said solvent is selected from water, dipropylene glycol or polyethylene glycol.Wherein the specification of said polyethylene glycol is preferably 400.From cost-effective angle, in the composition solution of isothiazolone-containing provided by the invention, said solvent preferred water.
The most preferred embodiment directly can diluting the composition solution of the isothiazolone-containing of use provided by the invention, isothiazolinone derivatives containing 12% weight, the solution-stabilized auxiliary agent of 10% weight and the solvent of surplus, wherein, said isothiazolinone derivatives is part by weight is the CMIT of 3:1 and the mixture of MIT, in said solution-stabilized auxiliary agent, the bromo-2-nitro-1 of 2-, the part by weight of ammediol and sodium Diacetate is 1:1, magnesium salts is magnesium nitrate and/or magnesium chloride, account for 49 ~ 51 % by weight of solution-stabilized auxiliary agent.The number of days that the composition solution of this most preferred embodiment produces precipitation at 55 DEG C is 70 days.
The composition solution that directly can dilute the isothiazolone-containing of use provided by the invention, its preparation process there is no special feature, be well known to those skilled in the art, namely according to the proportioning of composition, each component of said composition simply mixed in the presence of the solvent, no longer numerously to state.
Below by embodiment, the invention will be further described, but not thereby limiting the invention.
In an embodiment, 2-bromine 2-nitro-1,3-propylene glycol is Yan Lin chemical plant, Taicang City, Jiangsu Province product, purity 99%; Polyepoxy sodium succinate (PESA) is Shandong Rui Aite Chemical Co., Ltd. product, solid content 40%; Sodium Glycinate is Chengdu bass special reagent Co., Ltd product, purity > 98%; Sodium tartrate is Beijing coupling Science and Technology Ltd. product, purity > 98%; Natrium malicum is lark prestige Science and Technology Ltd. product, purity > 99%; Sodium Diacetate is the abundant Chemical Co., Ltd. in Shanghai, purity > 98%; Polyethylene glycol specification is PEG-400.
Embodiment 1 ~ 10
Embodiment 1 ~ 10 illustrates solution-stabilized auxiliary agent provided by the invention, and the proportioning of each auxiliary agent is in table 1.
Table 1
Embodiment 11
The present embodiment illustrates the composition solution of isothiazolone-containing provided by the invention.
The composition solution of the isothiazolone-containing of the present embodiment is by the isothiazolinone derivatives (the part by weight 2.55:1 of CMIT and MIT) of 14.2% weight, the solution-stabilized auxiliary agent A of 10% weight and the water of 75.8 % by weight.Numbering Y1
Embodiment 12
The present embodiment illustrates the composition solution of isothiazolone-containing provided by the invention.
The composition solution of the isothiazolone-containing of the present embodiment is by the isothiazolinone derivatives (the part by weight 3:1 of CMIT and MIT) of 12% weight, the solution-stabilized auxiliary agent B of 10% weight and the water of 78 % by weight.Numbering Y2.
Embodiment 13
The present embodiment illustrates the composition solution of isothiazolone-containing provided by the invention.
The composition solution of the isothiazolone-containing of the present embodiment is by the water of the isothiazolinone derivatives (the part by weight 3:1 of CMIT and MIT) of 2.0% weight, the solution-stabilized auxiliary agent C and 88 % by weight of 10% weight.Numbering Y3.
Embodiment 14
The present embodiment illustrates the composition solution of isothiazolone-containing provided by the invention.
The composition solution of the isothiazolone-containing of the present embodiment is by the water of the isothiazolinone derivatives (the part by weight 3:1 of CMIT and MIT) of 8.0% weight, the solution-stabilized auxiliary agent D and 82 % by weight of 10% weight.Numbering Y4.
Embodiment 15
The present embodiment illustrates the composition solution of isothiazolone-containing provided by the invention.
The composition solution of the isothiazolone-containing of the present embodiment is by the water of the isothiazolinone derivatives (the part by weight 3:1 of CMIT and MIT) of 10% weight, the solution-stabilized auxiliary agent E and 80 % by weight of 10% weight.Numbering Y5.
Embodiment 16
The present embodiment illustrates the composition solution of isothiazolone-containing provided by the invention.
The composition solution of the isothiazolone-containing of the present embodiment is by the water of the isothiazolinone derivatives (the part by weight 3:1 of CMIT and MIT) of 11.2% weight, the solution-stabilized auxiliary agent F and 78.8 % by weight of 10% weight.Numbering Y6.
Embodiment 17
The present embodiment illustrates the composition solution of isothiazolone-containing provided by the invention.
The composition solution of the isothiazolone-containing of the present embodiment is by the water of the isothiazolinone derivatives (the part by weight 3:1 of CMIT and MIT) of 12% weight, the solution-stabilized auxiliary agent G and 78 % by weight of 10% weight.Numbering Y7.
Embodiment 18
The present embodiment illustrates the composition solution of isothiazolone-containing provided by the invention.
The composition solution of the isothiazolone-containing of the present embodiment is by the polyethylene glycol of the isothiazolinone derivatives (the part by weight 3:1 of CMIT and MIT) of 12% weight, the solution-stabilized auxiliary agent H and 78 % by weight of 10% weight.Numbering Y8.
Embodiment 19
The present embodiment illustrates the composition solution of isothiazolone-containing provided by the invention.
The composition solution of the isothiazolone-containing of the present embodiment is by the water of the isothiazolinone derivatives (the part by weight 3.5:1 of CMIT and MIT) of 12% weight, the solution-stabilized auxiliary agent I and 78 % by weight of 10% weight.Numbering Y9.
Embodiment 20
The present embodiment illustrates the composition solution of isothiazolone-containing provided by the invention.
The composition solution of the isothiazolone-containing of the present embodiment is by the water of the isothiazolinone derivatives (the part by weight 3:1 of CMIT and MIT) of 12% weight, the solution-stabilized auxiliary agent J and 78 % by weight of 10% weight.Numbering Y10.
Embodiment 21
The present embodiment illustrates the composition solution of isothiazolone-containing provided by the invention.
The composition solution of the isothiazolone-containing of the present embodiment is by the isothiazolinone derivatives (the part by weight 3:1 of CMIT and MIT) of 14.2% weight, the solution-stabilized auxiliary agent A of 10% weight and the dipropylene glycol of 75.8 % by weight.Numbering Y11.
Test case 1
The present embodiment illustrates the stability of composition solution provided by the invention.
Choose 55 DEG C of temperature as the stability of evaluation solution, by observing the average evaluation stability of the composition solution Precipitation that embodiment 11 ~ 21 is prepared at 55 DEG C.
The precipitation capacity (ppm) after the number of days of precipitation and 55 DEG C, 37 days is produced in table 2 at 55 DEG C.
Table 2
Test case 2
The present embodiment illustrates the bactericidal property of composition solution provided by the invention.
Choose the composition solution Y1 ~ Y11 of isothiazolone-containing prepared by embodiment 11 ~ embodiment 21, evaluate its bactericidal property.
Assessment method is with reference to the assay method of standard GB/T/T 14643.1-1993 heterotroph.Bacterial classification is running water enrichment culture, and starter bacteria number is 1.3 × 10
7individual/ml.
Table 3
Claims (8)
1. a solution-stabilized auxiliary agent, it is characterized in that by 2-bromine 2-nitro-1, ammediol, magnesium salts and at least one be selected from polyepoxy sodium succinate, sodium Diacetate, Sodium Glycinate, sodium tartrate and natrium malicum form, wherein, said 2-bromine 2-nitro-1, ammediol weight is 1 part of meter, and the weight being selected from polyepoxy sodium succinate, sodium Diacetate, Sodium Glycinate, sodium tartrate and natrium malicum is 0.2 ~ 5 part, and magnesium salts accounts for 40 ~ 60 % by weight of said auxiliary agent.
2., according to the solution-stabilized auxiliary agent of claim 1, it is characterized in that this auxiliary agent is made up of 2-bromine 2-nitro-1,3-propylene glycol, sodium Diacetate and magnesium salts.
3. one kind directly can be diluted the composition solution of the isothiazolone-containing of use, it is characterized in that said composition contains the isothiazolinone derivatives of 0.5 ~ 20% weight, the solution-stabilized auxiliary agent of 5 ~ 15% weight and the solvent of surplus, wherein, said isothiazolinone derivatives is the part by weight of CMIT and MIT is the mixture of 2 ~ 4:1, said solution-stabilized auxiliary agent is by 2-bromine 2-nitro-1, ammediol be selected from polyepoxy sodium succinate, sodium Diacetate, Sodium Glycinate, at least one in sodium tartrate and natrium malicum and magnesium salts composition, said 2-bromine 2-nitro-1, ammediol weight is 1 part of meter, be selected from polyepoxy sodium succinate, sodium Diacetate, Sodium Glycinate, the weight of sodium tartrate and natrium malicum is 0.2 ~ 5 part, magnesium salts accounts for 40 ~ 60 % by weight of said auxiliary agent, said solvent is selected from water, dipropylene glycol or polyethylene glycol.
4. according to the composition solution of claim 3, wherein, said solution-stabilized auxiliary agent is by 2-bromine 2-nitro-1, ammediol, magnesium salts and sodium Diacetate form, wherein, said 2-bromine 2-nitro-1,3-propylene glycol weight is 1 part of meter, the weight of sodium Diacetate is 0.2 ~ 5 part, and magnesium salts accounts for 40 ~ 60 % by weight of said auxiliary agent.
5. according to the composition solution of claim 3, it is characterized in that said composition contains the isothiazolinone derivatives of 1.5 ~ 15% weight, the solution-stabilized auxiliary agent of 9 ~ 11% weight and the solvent of surplus, wherein, said isothiazolinone derivatives is part by weight is the CMIT of 3:1 and the mixture of MIT, in said solution-stabilized auxiliary agent, 2-bromine 2-nitro-1, ammediol is in 1 part, the weight of sodium Diacetate is 0.95 ~ 1.05 part, magnesium salts accounts for 48 ~ 52 % by weight of solution-stabilized auxiliary agent, said solvent is water.
6. according to the composition solution of claim 5, wherein, isothiazolinone derivatives containing 12% weight, the solution-stabilized auxiliary agent of 10% weight and the solvent of surplus, wherein, said isothiazolinone derivatives is part by weight is the CMIT of 3:1 and the mixture of MIT, the bromo-2-nitro-1 of 2-of said solution-stabilized auxiliary agent to be part by weight be 1:1, the mixture of ammediol and sodium Diacetate, magnesium salts is magnesium nitrate and/or magnesium chloride, accounts for 49 ~ 51 % by weight of solution-stabilized auxiliary agent.
7. the composition solution that directly can dilute the isothiazolone-containing of use of one of claim 3 ~ 6 is applied in Treatment of Industrial Water, coating, paint, washing agent, ink, textile dyeing and finishing, papermaking, brightening agent, latex product, cosmetic field as bactericide.
8. according to the application of claim 7, it is characterized in that in Treatment of Industrial Water, bactericide injected volume counts 0.2 ~ 10 milligram/often liter water for industrial use with isothiazolinone derivatives weight wherein.
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| CN109997862B (en) * | 2019-04-12 | 2021-07-09 | 嘉兴沃特泰科环保科技股份有限公司 | Isothiazolinone composition |
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