CN1036782A - The production method of industrial silicone antifoam agent - Google Patents
The production method of industrial silicone antifoam agent Download PDFInfo
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- CN1036782A CN1036782A CN 88105244 CN88105244A CN1036782A CN 1036782 A CN1036782 A CN 1036782A CN 88105244 CN88105244 CN 88105244 CN 88105244 A CN88105244 A CN 88105244A CN 1036782 A CN1036782 A CN 1036782A
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- defoamer
- silicone oil
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Abstract
The production method of industrial silicone antifoam agent belongs to the manufacturing field of organic chemical industry's defoamer.Select for use polysiloxane to make silicone oil with ad hoc structure.With multiple nontoxic edible analog assistant, by 1: 10-2: 5 weight ratio was carried out composite mixing, can get efficient Powdered defoamer.Technology of the present invention is easy, and raw material is easy to get, and product is convenient to transportation, storage, and is applicable to various systems, can be widely used in medicine, foodstuffs industry, compare with existing polyether type defoamer, but cost saving about 1/3rd.
Description
The invention belongs to the manufacturing field of organic chemical industry's defoamer, relate to a kind of alkyl polysiloxane preparation and with the proportion technique of multiple auxiliary agent.
As everyone knows, at present, in many Industrial processes, as the fermentation in microbiotic, the glutamate production, bean product are made, the molasses boiling, printing and dyeing, pulping and paper-making, petrochemical complex, in the production process such as paint and washing composition, a large amount of foams can appear, as untimely elimination, production is proceeded will be very difficult, what have then can't carry out at all, though the energy that has reluctantly, can bring many losses.Therefore, how effectively control foam is then very important.
Although it is varied to eliminate the foamy method, as physics method, mechanical process, chemical method etc.,, use chemical reagent to make defoamer and eliminate foam, be widely to adopt at present and cost-effective method.
Defoamer is of a great variety, (1-8) but roughly can be summed up as three major types: the one, and polyether-type; The 2nd, all kinds of silicoorganic compound; The 3rd, the multipolymer of silicoorganic compound and polyethers.Home products belongs to polyether-type more at present, and states of matter is liquid or milk sap.Its weak point is: antifoaming speed is slow, large usage quantity, and suds suppressing properties is not good enough, and certain toxicity is arranged, and is used in particular for medicine, foodstuffs industry and produces undesirable.By contrast, silicone based defoamer can many-side remedies the deficiency of polyether type defoamer.
But, existing silicone based defoamer majority also is liquid or emulsion (domestic do not see that solid type is arranged), play the single silicide that is of froth breaking effect, so it is not really desirable, big as consumption, use face is narrow, and promptly a kind of defoamer mostly only is applicable to seldom several specific foam systems, is transporting, uses and preserving also inconvenience of aspects simultaneously.
For remedying the deficiency of prior art, the present invention has designed a kind of production method of novel organosilicon defoamer, and the defoamer of Sheng Chaning is called industrial silicone antifoam agents such as SD-01 type doctor, food in this way.
Total design of the present invention is: the first polysiloxane oil (I) of synthetic a kind of ad hoc structure, select suitable solid additive again, carry out composite by a certain percentage and silicone antifoam agent.
The present invention divides three processes to carry out:
One, polysiloxane oil (I) is synthetic
Silicone oil of the present invention (I) is the poly-alkylsiloxane that contains alkoxyl group and hydroxyl, and structural formula is as follows:
Wherein, R
1Be methyl, or the mixed group of ethyl or ethyl, propyl group, methyl etc.; R
2Be H, or methyl, or ethyl, or propyl group; N and ratio (m+1) are 8: 2-5: between 5; Viscosity is good with 60-80cp between 20-120cp.
Polysiloxane oil (I) is by behind the alkyl halogen silanes mix monomer backflow cohydrolysis, separates and makes.Mix monomer is with 2: 8-5: 5 weight ratios form methyl three halosilanes and dimethyl dihalo-silane mixture, and amount of water is the 1-10% of monomer total amount, get the silicone oil (I) of 20cp-120cp viscosity.
Two, the selected auxiliary agent of the present invention is:
Glucose or glucosamine salt, N.F,USP MANNITOL or sorbyl alcohol, sucrose or sodium-chlor (potassium oxide), tripoly phosphate sodium STPP, silicon-dioxide etc.With above listed each thing, all add one by one by proper proportion and also can.
Three, composite preparation defoamer
Each set of dispense of defoamer is as follows than (being parts by weight):
5～15 parts of methyl silicone oils (I)
5～30 parts of tripoly phosphate sodium STPPs
20～70 parts of salt
5～10 parts in N.F,USP MANNITOL
0～20 part of glucose
0～70 part of white sugar
0～20 part of calglucon
Silica 1～5 part
Wherein, silicone oil weight and the ratio of selecting the auxiliary agent gross weight for use are 1: 10-is advisable between 2: 5.Under the room temperature, be silicone oil (I) component A with the silicon-dioxide mixing at first, all the other selected components as B component, will promptly get product behind A and the B thorough mixing under suitable proportioning.
Solid additive particle fineness and each component mix the performance of degree direct influence defoamer.Builder granule is thin more, and component is mixed even more, and defoaming effect is good more.
Be several embodiments of the present invention below:
Embodiment 1
Silicone oil (I) is (colourless translucent, PH ≈ 7, viscosity 40cp, refractive index 1.4027, proportion 1.207) 10 parts mix for 2 parts with silicon-dioxide, mix with 10 parts of tripoly phosphate sodium STPPs, 5 portions of N.F,USP MANNITOL and 70 portions of salt of pulverizing then, fully stir evenly, promptly get the white powder product, antifoaming speed 30 seconds, bubbling is no more than 200ml again.
Embodiment 2
Silicone oil (I) is (colourless translucent, PH ≈ 7, refractive index 1.4040, viscosity 55cp, proportion 1.030) get 11 parts and mix, mix with 12 parts of tripoly phosphate sodium STPPs, 10 parts of glucose, 70 portions of salt of pulverizing then with 2.5 parts of silicon-dioxide, fully pull even, get the white powder product, antifoaming speed 20 seconds, bubbling is no more than 150ml again.
Embodiment 3
Silicone oil (I) is (colourless translucent, PH ≈ 7, viscosity 60cp, refractive index 1.4041, proportion 1.039) 20 parts mix with 5 parts of silicon-dioxide, fully stir evenly with 20 parts of tripoly phosphate sodium STPPs, 10 parts of glucose, 5 portions of N.F,USP MANNITOL, 50 portions of salt and 20 parts of white sugar of pulverizing then, the white powder product, antifoaming speed 11 seconds, bubbling is no more than 160ml again.
Embodiment 4
Silicone oil (I) is (colourless translucent, PH ≈ 7, viscosity 62cp, refractive index 1.4100, proportion 1.041) 15 parts and 3.5 parts of silicon-dioxide mixings grind mixings with 20 parts of glucose, 10 portions of N.F,USP MANNITOL, 30 portions of salt and 40 parts of white sugar then, get the white powder product, antifoaming speed 155 seconds, bubbling is no more than 180ml again.
Embodiment 5
18 parts of silicone oil (I) (colourless translucent, viscosity 38cp, PH ≈ 7, refractive index 1.4025, proportion 1.025) and 5.5 parts of SiO
2Mixing, and then fully grind mixing with 15 parts of tripoly phosphate sodium STPPs, 10 portions of N.F,USP MANNITOL and 70 parts of white sugar, just the white powder product, antifoam performance 25 seconds, bubbling no longer surpasses 150ml again.
Example 6
25 parts of silicone oil (I) (colourless translucent, viscosity 54cp, PH ≈ 7, refractive index 1.4038, proportion 1.029) and SiO
28 parts of first mixings, and then with 20 parts of glucose, 10 parts of tripoly phosphate sodium STPPs, 70 parts of abundant mixings of salt obtain the white powder product.Antifoam performance 10 seconds, bubbling no longer surpasses 150ml again.
Embodiment 7
18 parts of silicone oil (I) (water white transparency, viscosity 57cp, PH ≈ 7, refractive index 1.4032, proportion 1.038) and 5 parts of SiO
2Mix earlier,, get the white powder product again with 15 parts of tripoly phosphate sodium STPPs, 10 portions of N.F,USP MANNITOL and 70 parts of white sugar mixings, antifoaming speed 17 seconds, bubbling omits again.
Embodiment 8
10 parts of silicone oil (I) (colourless translucent, viscosity 60cp, PH ≈ 7, refractive index 1.4078, proportion 1.039) and 3 parts of SiO
2Elder generation's mixing, and then with 10 parts of tripoly phosphate sodium STPPs, 10 parts of white sugar, 5 portions of N.F,USP MANNITOL and 70 portions of salt grind mixings, the white powder product, antifoaming speed 12 seconds, bubbling is no more than 120ml again.
Be the froth breaking that this product carried out and the experiment of suds suppressing properties below:
1. froth breaking experiment
Get 100ml 1% polyvinyl alcohol (mean polymerisation degree is 2400) and make foaming liquid, put into the 500ml graduated cylinder, at the uniform velocity feed N with the standard frothing head
2Make the foam drum to 500ml scale place, add the defoamer of 0.02% weight, pressing stopwatch record foam simultaneously disappears to the following required time of 110ml, it is qualified to be no more than 60 seconds persons, again bubbling again, foam height no longer exceeds 300ml scale place.
2. press down the bubble experiment
Get above-mentioned foaming liquid 100ml and put into the 500ml graduated cylinder, add 0.02-0.04% (weight) defoamer, at the uniform velocity logical then N
2It is qualified that bubbling, foam height are no more than 250ml scale place.
Table 1 is the clear bubble and the suds suppressing properties experimental result of product among the embodiment of the invention 1-8.
Its advantage of defoamer that the present invention produces is that at first employed silicone oil has specific structure, simultaneously in varing proportions composite with multiple soluble-salt, like this, not only obtain the solid powdery defoamer, simultaneously froth breaking and suds suppressing properties also further improve, consumption be generally ten thousand of foam system weight/. In addition, this defoamer is the advantage of nontoxic, efficient, the wide adaptability of tool also, such as the commercial scale froth breaking practice through antibiotic, gourmet powder fermenting, bean product making, DYE PRODUCTION, coating, sewage system etc., effect is all good, and be expected in printing and dyeing, other industrial departments such as papermaking, petrochemical industry, sugar industry, washing agent also can have broad application prospects.
Defoamer of the present invention is pressed powder, therefore is convenient to transportation, uses, preserves, have good stability, and general packaging plastic bags, performance is constant in 2 years. 50 ℃ of bakings 48 hours, 130 ℃ of bakings 2 hours, performance is constant, and aqueous solution foam system all can use between the pH 3-11, the foam system temperature is higher than room temperature, better effects if. Production technology of the present invention is simple, and raw material is easy to get, and cost is moderate, compares with the multiple defoamer of polyether-type with existing, and general expense can be saved more than 1/3rd.
Table 1
Annotate: L6X is a U.S. Wyandotte chem.Co. product; LG109 is Japanese rising sun electrification company's product (to other foam system, as suds, its performance is significantly less than defoamer of the present invention); PPE is Zhejiang University's polyether type defoamer.Reference (1) S.Ross.Chem.Eng.Prog., 63 (9)
(1967)41-7. (2)R.L.Bass，Chem.and?Ind.，912(28-
30) (1959). (3) special permission communique, clear 55-39576.(4)R.S.Bhute，J.scient.Ind.Res.，
30，241-9(1971). (5)Farminer，K.W.，Brooke，C.M.，Ger.
offen.2,232,262(1973). (6)Smazhok，M.P.，Krasovskaya，T.A.，
Muzovskaya，O.A.，Yakovleva.G.S.，
U.S.S.R.345，177(1972). (7)Shin-Etsu?Chem.Ind.Co.Ltd.，Jpn
Kokai?Tokkyo?Koho?JP?60,106,507
(1985). (8)Yaku?bov，S，D，etal.，U.S.S.R.SU?1,
161,526.(1985).
Claims (6)
1. the production method of industrial silicone antifoam agent adopts silicone oil and additive compound hybrid technique, the invention is characterized in, selects for use the polysiloxane with following array structure to make silicone oil (I),
Select glucose or gluconate, N.F,USP MANNITOL or sorbyl alcohol, sucrose or sodium-chlor (Repone K), tripoly phosphate sodium STPP, silicon-dioxide etc. are made auxiliary agent, and room temperature is composite, earlier silicone oil (I) is mixed with silicon dichloride in proportion and be component A, be B component with selected all the other auxiliary agent mixings again, at last component A and B mixed, promptly get the non-toxic efficient defoamer.
2. the method for claim 1 is characterized in that, n in used polysiloxane oil (I) structure and ratio (m+1) are 8: 2-5: be advisable between 5.
3. method as claimed in claim 1 or 2 is characterized in that, the viscosity of used polysiloxane oil (I) is advisable with 20-120cp, and 60-80cp is good.
4. the method for claim 1 is characterized in that, the ratio of the gross weight of used polysiloxane oil (I) weight and auxiliary agent is 1: 10-2: be advisable between 5.
5. as claim 1 or 4 described methods, it is characterized in that the weight proportion of each composition is followed successively by in the auxiliary agent,
Tripoly phosphate sodium STPP 5-30 part
Salt 20-70 part
N.F,USP MANNITOL 5-10 part
Glucose 0-20 part
White sugar 0-70 part
Calglucon 0-20 part
Silica 1-5 part
Sorbyl alcohol 5-10 part
6. the method for claim 1 is characterized in that, silicone oil (I) is 5 with the proportioning of silicon-dioxide in the described A component: 1-3: 1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 88105244 CN1020412C (en) | 1988-04-09 | 1988-04-09 | Processing of industrial defoaming agent of organic silicon |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 88105244 CN1020412C (en) | 1988-04-09 | 1988-04-09 | Processing of industrial defoaming agent of organic silicon |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1036782A true CN1036782A (en) | 1989-11-01 |
| CN1020412C CN1020412C (en) | 1993-05-05 |
Family
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 88105244 Expired - Fee Related CN1020412C (en) | 1988-04-09 | 1988-04-09 | Processing of industrial defoaming agent of organic silicon |
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| CN (1) | CN1020412C (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1299814C (en) * | 2004-06-25 | 2007-02-14 | 广州机械科学研究院 | Nanometer/micrometer sized silicon dioxide composite water soluble antifoam agent and preparation method thereof |
| CN102407032A (en) * | 2011-04-22 | 2012-04-11 | 扬州斯培德化工有限公司 | Agricultural nano-hybrid organic silicon defoaming agent and preparation method thereof |
| CN102949867A (en) * | 2012-09-19 | 2013-03-06 | 天津科创医药中间体技术生产力促进有限公司 | High-efficiency antifoaming agent |
| CN105536489A (en) * | 2015-12-09 | 2016-05-04 | 安徽中泰创展环境科技有限公司 | Slurry for flue gas desulfurization |
| CN106669237A (en) * | 2016-12-14 | 2017-05-17 | 东至绿洲环保化工有限公司 | Organic silicon defoamer containing sodium tripolyphosphate |
| CN107118861A (en) * | 2017-05-06 | 2017-09-01 | 安徽绿风环保节能材料有限公司 | A kind of floor tile cleaning agent |
| CN110938484A (en) * | 2019-12-04 | 2020-03-31 | 吉林省电力科学研究院有限公司 | Novel lubricating oil defoaming agent |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4338674B2 (en) * | 2005-05-19 | 2009-10-07 | 信越化学工業株式会社 | Antifoam composition |
-
1988
- 1988-04-09 CN CN 88105244 patent/CN1020412C/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1299814C (en) * | 2004-06-25 | 2007-02-14 | 广州机械科学研究院 | Nanometer/micrometer sized silicon dioxide composite water soluble antifoam agent and preparation method thereof |
| CN102407032A (en) * | 2011-04-22 | 2012-04-11 | 扬州斯培德化工有限公司 | Agricultural nano-hybrid organic silicon defoaming agent and preparation method thereof |
| CN102407032B (en) * | 2011-04-22 | 2014-03-12 | 江苏擎宇化工科技有限公司 | Agricultural nano-hybrid organic silicon defoaming agent and preparation method thereof |
| CN102949867A (en) * | 2012-09-19 | 2013-03-06 | 天津科创医药中间体技术生产力促进有限公司 | High-efficiency antifoaming agent |
| CN105536489A (en) * | 2015-12-09 | 2016-05-04 | 安徽中泰创展环境科技有限公司 | Slurry for flue gas desulfurization |
| CN106669237A (en) * | 2016-12-14 | 2017-05-17 | 东至绿洲环保化工有限公司 | Organic silicon defoamer containing sodium tripolyphosphate |
| CN107118861A (en) * | 2017-05-06 | 2017-09-01 | 安徽绿风环保节能材料有限公司 | A kind of floor tile cleaning agent |
| CN110938484A (en) * | 2019-12-04 | 2020-03-31 | 吉林省电力科学研究院有限公司 | Novel lubricating oil defoaming agent |
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| Publication number | Publication date |
|---|---|
| CN1020412C (en) | 1993-05-05 |
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