CN105688452A - Emulsion-type organosilicone defoamer and preparation method thereof - Google Patents
Emulsion-type organosilicone defoamer and preparation method thereof Download PDFInfo
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- CN105688452A CN105688452A CN201610241212.8A CN201610241212A CN105688452A CN 105688452 A CN105688452 A CN 105688452A CN 201610241212 A CN201610241212 A CN 201610241212A CN 105688452 A CN105688452 A CN 105688452A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D19/00—Degasification of liquids
- B01D19/02—Foam dispersion or prevention
- B01D19/04—Foam dispersion or prevention by addition of chemical substances
- B01D19/0404—Foam dispersion or prevention by addition of chemical substances characterised by the nature of the chemical substance
- B01D19/0409—Foam dispersion or prevention by addition of chemical substances characterised by the nature of the chemical substance compounds containing Si-atoms
Abstract
The invention discloses an emulsion-type organosilicone defoamer and a preparation method thereof. The preparation method includes: at 90-100 DEG C, using a hydrophobic treatment agent and ammonium dihydrogen phosphate to pre-treat hydrophobic gas-phase white carbon black; bending obtained gas-phase white carbon black with dimethicone at 170-200 DEG C to obtain silicone cream; under action of a compound emulsifier, compounding the silicone cream, fatty alcohol and sodium phosphate to obtain the emulsion-type organosilicone defoamer. The defect that existing emulsion-type organosilicone defoamers are prone to inactivation and poor in foam inhibiting performance is overcome, the organosilicone defoamer obtained has excellent alkali resistance and good continuous application performance, and is high in defoaming speed, foam inhibiting performance and emulsion stability and long in defoaming activity time, and the preparation process is clean and environment-friendly, free of emission of 'three wastes' and suitable for industrial production.
Description
Technical field
The invention belongs to chemical technology field, be specifically related to a kind of emulsion-type organic silicon defoamer and preparation method thereof。
Background technology
In the industrial engineering such as dyeing and weaving, food fermentation, pharmaceuticals industry, petrochemical industry, papermaking, wastewater treatment, it is easily generated unwanted bubbles, not only affects production efficiency, cause the waste of raw material, also make product quality reduce。Therefore, need to add defoamer in the industrial production and eliminate unwanted bubbles。
In the development course of defoamer, organosilicon emulsion-type defoamer because its surface tension is little, heat stability and chemical stability is good, have physiology and the advantage such as reactionlessness, higher defoaming activity is widely used in the industries such as detergent, papermaking, sugaring, plating, chemical fertilizer, wastewater treatment。But, organosilicon emulsion-type defoamer equally exists deficiency, as suds suppressing properties is poor, easily loses efficacy in continuous foamed systems such as papermaking, wastewater treatment, sugarings；Lose defoaming activity in application process because of disproportionation, the silicone oil concurrently separated out is also easy to be attached to fabric face and affect its outward appearance。
The formula of organosilicon composite anti-foaming agent is transformed by the present invention, strengthens its ruggedness by increasing the adhesion of hydrophobic gas-phase silica and dimethicone, increases its defoaming activity time in papermaking, dyeing process；And add other defoaming activity component and organosilicon and carry out compound, to increase its spreading coefficient, reduce and enter potential barrier, further speed up antifoaming speed, increase the suds suppressing properties of organosilicon composite anti-foaming agent, that reduces organosilicon makes consumption simultaneously, reduces that silicone oil is attached to fabric, paper surface affects the probability of outward appearance；Addition can accelerate the component that foam is aging, froth breaking collaborative with other active components of composite anti-foaming agent, accelerates disintegrating of foam。
Summary of the invention
It is an object of the invention to provide a kind of emulsion-type organic silicon defoamer and preparation method thereof, gained organic silicon defoamer antifoaming speed faster, presses down bubble ability higher, and action time is more lasting, and cost is more cheap, is a New Emulsion type organic silicon defoamer。
For achieving the above object, the present invention adopts the following technical scheme that
A kind of emulsion-type organic silicon defoamer, its preparation method comprises the steps:
1) process of hydrophobic type gas-phase silica: by hydrophobic type gas-phase silica, ammonium dihydrogen phosphate and water repellent agent insulation reaction 1h at 90-100 DEG C, obtain the gas-phase silica after process；
2) preparation of silicon cream: the gas-phase silica after process is incubated with dimethicone at 170-200 DEG C and mixes 2.5-3h, obtain silicon cream；
3) emulsifying is composite: by step 2) prepare silicon cream mix homogeneously under 75 DEG C of conditions with fatty alcohol, sodium phosphate, compound emulsifying agent, then at 70 DEG C, add water to phase inversion lentamente, add residue water after stirring 20min, after continuing stirring 20min, stop heating, discharging and get final product after being cooled to room temperature。
Raw materials used in step 1) it is calculated as by weight: hydrophobic type gas-phase silica 100 parts, ammonium dihydrogen phosphate 3-5 part, water repellent agent 3-5 part。Wherein, the specific surface area of described hydrophobic type gas-phase silica is 225-275m2/ g；Described water repellent agent is one or both in HMDS, 1-capryl alcohol。
Step 2) in raw materials used be calculated as by weight: gas-phase silica 2 parts, dimethicone 48 parts。Wherein, described dimethyl-silicon oil viscosity is 500-1000mPa s。
Raw materials used in step 3) it is calculated as by weight: silicon cream 70-80 part, fatty alcohol 20-30 part, sodium phosphate 5-10 part, compound emulsifying agent 26-32 part, water 500-550 part。Wherein, described compound emulsifying agent is octadecanol, monoglyceride, Arlacel-60, Tween-60, isomeric alcohol polyethenoxy ether to be mixed by weight 8:2:8:6:2；Described fatty alcohol is one or both in the main chain fatty alcohol containing 6-8 carbon atom, including 1-capryl alcohol, 1-hexanol, isooctanol。
Compared with prior art, the emulsion-type organic silicon defoamer that prepared by the present invention has the advantage that
1) through water repellent agent with phosphate-modified after the adhesion of hydrophobic gas-phase silica and dimethicone bigger, in continuous print froth breaking circulates disproportionation be the phase rich in silicone oil and the speed rich in white carbon phase slower so that it is froth breaking effect is more lasting；
2) addition of fatty alcohol increases the spreading coefficient of organic silicon defoamer, reduces the entrance potential barrier of defoamer, and forms loose unstable face on vacuolar membrane surface, accelerates breaking of vacuolar membrane；
3) the phosphatic addition of high price, can destroy the charge stable on vacuolar membrane surface, accelerates the aging merging of vacuolar membrane, and plays the effect of collaborative froth breaking with other components；
4) fatty alcohol, high price salt and the synergism of silicon cream, can make gained defoamer antifoaming speed faster；
5) considering from production cost aspect, preparing defoamer of the present invention raw materials used is all common chemical products, and the composition that defoamer is more than 80% is water, greatly reduces production cost, decreases the pollution to environment in preparation process。
Accompanying drawing explanation
Fig. 1 is the volume time history plot of foam solution in antifoam performance test。
Fig. 2 is the cycle performance test figure of embodiment 3 defoamer。
Fig. 3 is the cycle performance test figure of comparative example 1 defoamer。
Fig. 4 is the cycle performance test figure of comparative example 2 defoamer。
Detailed description of the invention
A kind of emulsion-type organic silicon defoamer, its preparation method comprises the steps:
1) process of hydrophobic type gas-phase silica: by 100 weight portion hydrophobic type gas-phase silicas, 3-5 parts by weight of phosphoric acid ammonium dihydrogen and 3-5 weight portion water repellent agent insulation reaction 1h at 90-100 DEG C, obtain the gas-phase silica after process；
2) preparation of silicon cream: gas-phase silica and 48 weight portion dimethicones after being processed by 2 weight portions are incubated mixing 2.5-3h at 170-200 DEG C, obtain silicon cream；
3) emulsifying is composite: in four-hole boiling flask, by 70-80 weight portion step 2) prepare silicon cream, 20-30 parts by weight of fatty alcohol, 5-10 parts by weight of phosphoric acid sodium, 26-32 weight portion compound emulsifying agent mix homogeneously under 75 DEG C of conditions, then at 70 DEG C, 200-300 weight parts water is added lentamente to phase inversion, 250-300 weight parts water is added after stirring 20min, heating is stopped, discharging and get final product after being cooled to room temperature after continuing stirring 20min。
The specific surface area of hydrophobic type gas-phase silica described in step 1) is 225-275m2/ g；Described water repellent agent is one or both in HMDS, 1-capryl alcohol。
Step 2) described in dimethyl-silicon oil viscosity be 500-1000mPa s。
Compound emulsifying agent described in step 3) is octadecanol, monoglyceride, Arlacel-60, Tween-60, isomeric alcohol polyethenoxy ether to be mixed by weight 8:2:8:6:2；Described fatty alcohol is one or both in the main chain fatty alcohol containing 6-8 carbon atom, including 1-capryl alcohol, 1-hexanol, isooctanol。
In order to make content of the present invention easily facilitate understanding, below in conjunction with detailed description of the invention, technical solutions according to the invention are described further, but the present invention is not limited only to this。
Embodiment 1:
1) process of hydrophobic type gas-phase silica: (specific surface area is 225m by 100 weight portion hydrophobic type gas-phase silicas2/ g), 3 parts by weight of phosphoric acid ammonium dihydrogens and 3 weight portion 1-capryl alcohol insulation reaction 1h at 95 DEG C, obtain the gas-phase silica after process；
2) preparation of silicon cream: gas-phase silica and 48 weight portion dimethicones (viscosity 1000mPa s) after being processed by 2 weight portions are incubated mixing 2.5h at 180 DEG C, obtain silicon cream；
3) emulsifying is composite: in four-hole boiling flask, by 70 weight portion steps 2) prepare silicon cream, 30 weight portion 1-capryl alcohol, 5 parts by weight of phosphoric acid sodium, 9.8 weight portion octadecanol, 2.5 weight portion monoglycerides, 9.8 weight portion Arlacel-60s, 7.4 weight portion Tween-60s, 2.5 weight portion isomeric alcohol polyethenoxy ether mix homogeneously under 75 DEG C of conditions, then at 70 DEG C, 200 weight parts waters are added lentamente to phase inversion, 300 weight parts waters are added after stirring 20min, heating is stopped, discharging and get final product after being cooled to room temperature after continuing stirring 20min。
Embodiment 2:
1) process of hydrophobic type gas-phase silica: (specific surface area is 275m by 100 weight portion hydrophobic type gas-phase silicas2/ g), 4 parts by weight of phosphoric acid ammonium dihydrogens and 4 weight portion HMDSs insulation reaction 1h at 100 DEG C, obtain the gas-phase silica after process；
2) preparation of silicon cream: gas-phase silica and 48 weight portion dimethicones (viscosity 800mPa s) after being processed by 2 weight portions are incubated mixing 2.5h at 200 DEG C, obtain silicon cream；
3) emulsifying is composite: in four-hole boiling flask, by 75 weight portion steps 2) prepare silicon cream, 25 weight portion isooctanol, 10 parts by weight of phosphoric acid sodium, 8 weight portion octadecanol, 2 weight portion monoglycerides, 8 weight portion Arlacel-60s, 6 weight portion Tween-60s, 2 weight portion isomeric alcohol polyethenoxy ether mix homogeneously under 75 DEG C of conditions, then at 70 DEG C, 300 weight parts waters are added lentamente to phase inversion, 250 weight parts waters are added after stirring 20min, heating is stopped, discharging and get final product after being cooled to room temperature after continuing stirring 20min。
Embodiment 3:
1) process of hydrophobic type gas-phase silica: (specific surface area is 250m by 100 weight portion hydrophobic type gas-phase silicas2/ g), 5 parts by weight of phosphoric acid ammonium dihydrogens and 5 weight portion HMDSs insulation reaction 1h at 90 DEG C, obtain the gas-phase silica after process；
2) preparation of silicon cream: gas-phase silica and 48 weight portion dimethicones (viscosity 500mPa s) after being processed by 2 weight portions are incubated mixing 3h at 200 DEG C, obtain silicon cream；
3) emulsifying is composite: in four-hole boiling flask, by 80 weight portion steps 2) prepare silicon cream, 20 weight portion 1-hexanols, 8 parts by weight of phosphoric acid sodium, 8 weight portion octadecanol, 2 weight portion monoglycerides, 8 weight portion Arlacel-60s, 6 weight portion Tween-60s, 2 weight portion isomeric alcohol polyethenoxy ether mix homogeneously under 75 DEG C of conditions, then at 70 DEG C, 260 weight parts waters are added lentamente to phase inversion, 270 weight parts waters are added after stirring 20min, heating is stopped, discharging and get final product after being cooled to room temperature after continuing stirring 20min。
Comparative example 1:
1) process of hydrophobic type gas-phase silica: (specific surface area is 250m by 100 weight portion hydrophobic type gas-phase silicas2/ g), 2 parts by weight of phosphoric acid ammonium dihydrogens and 4 weight portion HMDSs insulation reaction 1h at 90 DEG C, obtain the gas-phase silica after process；
2) preparation of silicon cream: gas-phase silica and 48 weight portion dimethicones (viscosity 500mPa s) after being processed by 2 weight portions are incubated mixing 3h at 200 DEG C, obtain silicon cream；
3) emulsifying is composite: in four-hole boiling flask, by 80 weight portion steps 2) prepare silicon cream, 20 weight portion 1-hexanols, 8 weight portion octadecanol, 2 weight portion monoglycerides, 8 weight portion Arlacel-60s, 6 weight portion Tween-60s, 2 weight portion isomeric alcohol polyethenoxy ether mix homogeneously under 75 DEG C of conditions, then at 70 DEG C, 260 weight parts waters are added lentamente to phase inversion, 270 weight parts waters are added after stirring 20min, heating is stopped, discharging and get final product after being cooled to room temperature after continuing stirring 20min。
Comparative example 2:
1) preparation of silicon cream: (specific surface area is 250m by 2 weight portion hydrophobic type gas-phase silicas2/ g) it is incubated at 200 DEG C with 48 weight portion dimethicones (viscosity 500mPa s) and to mix 3h, obtain silicon cream；
2) emulsifying is composite: in four-hole boiling flask, by silicon cream prepared for 80 weight portion step 1), 20 weight portion 1-hexanols, 8 weight portion octadecanol, 2 weight portion monoglycerides, 8 weight portion Arlacel-60s, 6 weight portion Tween-60s, 2 weight portion isomeric alcohol polyethenoxy ether mix homogeneously under 75 DEG C of conditions, then at 70 DEG C, 260 weight parts waters are added lentamente to phase inversion, 270 weight parts waters are added after stirring 20min, heating is stopped, discharging and get final product after being cooled to room temperature after continuing stirring 20min。
Defoamer cycle performance is tested:
Key instrument device: bubbler, 500mL tool plug graduated cylinder；
Test condition: temperature 25 DEG C
Tested media: standard foam liquid
Concrete method of testing: weigh 0.44g dodecylbenzene sodium sulfonate and be dissolved in 100mL water and stir to transparence liquid as standard foam liquid；100mL standard foam liquid is poured in 500mL graduated cylinder, after adding 10 μ L defoamer, with the time recording the removal of foam after bubbler foaming 10s, as the froth breaking cycle performance test result of defoamer。
Fig. 1 is embodiment 3 and comparative example 1,2 gained defoamer volume time history plot of foam solution in antifoam performance is tested。From figure 1 it appears that along with the prolongation of cream time, the foam volume adding the foam liquid of embodiment 3 defoamer to be far smaller than the foam volume of comparative example 1 and comparative example 2。
The cycle performance test figure of Fig. 2,3,4 respectively embodiment 3, comparative example 1 and comparative example 2 gained defoamer。It can be seen that the defoamer of comparative example 2 is after 30 froth breaking circulations, foam time is greater than 60s；Comparative example 1 through 80 times circulate after foam time also greater than 60s；And the defoamer of embodiment 3 is after 120 froth breaking circulations, foam time is still less than 60s。Thus prove, the present invention ammonium dihydrogen phosphate and water repellent agent are processed after the silicon cream made of gas-phase silica and defoaming activity time of organic silicon defoamer of preparing of sodium ascorbyl phosphate had obvious growth, and antifoaming speed is fast, stable performance, it is suitable for industrialized production。
The foregoing is only presently preferred embodiments of the present invention, all equalizations done according to the present patent application the scope of the claims change and modify, and all should belong to the covering scope of the present invention。
Claims (9)
1. the preparation method of an emulsion-type organic silicon defoamer, it is characterised in that: comprise the steps:
1) process of hydrophobic type gas-phase silica: by hydrophobic type gas-phase silica, ammonium dihydrogen phosphate and water repellent agent insulation reaction 1h at 90-100 DEG C, obtain the gas-phase silica after process；
2) preparation of silicon cream: the gas-phase silica after process is incubated with dimethicone at 170-200 DEG C and mixes 2.5-3h, obtain silicon cream；
3) emulsifying is composite: by step 2) prepare silicon cream mix homogeneously under 75 DEG C of conditions with fatty alcohol, sodium phosphate, compound emulsifying agent, then at 70 DEG C, add water to phase inversion lentamente, add residue water after stirring 20min, after continuing stirring 20min, stop heating, discharging and get final product after being cooled to room temperature。
2. the preparation method of emulsion-type organic silicon defoamer according to claim 1, it is characterised in that: raw materials used in step 1) it is calculated as by weight: hydrophobic type gas-phase silica 100 parts, ammonium dihydrogen phosphate 3-5 part, water repellent agent 3-5 part。
3. the preparation method of emulsion-type organic silicon defoamer according to claim 2, it is characterised in that: the specific surface area of described hydrophobic type gas-phase silica is 225-275m2/g。
4. the preparation method of emulsion-type organic silicon defoamer according to claim 2, it is characterised in that: described water repellent agent is one or both in HMDS, 1-capryl alcohol。
5. the preparation method of emulsion-type organic silicon defoamer according to claim 1, it is characterised in that: step 2) in raw materials used be calculated as by weight: gas-phase silica 2 parts, dimethicone 48 parts。
6. the preparation method of emulsion-type organic silicon defoamer according to claim 5, it is characterised in that: described dimethyl-silicon oil viscosity is 500-1000mPa s。
7. the preparation method of emulsion-type organic silicon defoamer according to claim 1, it is characterized in that: raw materials used in step 3) be calculated as by weight: silicon cream 70-80 part, fatty alcohol 20-30 part, sodium phosphate 5-10 part, compound emulsifying agent 26-32 part, water 500-550 part。
8. the preparation method of emulsion-type organic silicon defoamer according to claim 7, it is characterised in that: described compound emulsifying agent is octadecanol, monoglyceride, Arlacel-60, Tween-60, isomeric alcohol polyethenoxy ether to be mixed by weight 8:2:8:6:2。
9. the preparation method of emulsion-type organic silicon defoamer according to claim 7, it is characterised in that: described fatty alcohol is one or both in the main chain fatty alcohol containing 6-8 carbon atom, including 1-capryl alcohol, 1-hexanol, isooctanol。
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Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106267910A (en) * | 2016-08-10 | 2017-01-04 | 中国海洋石油总公司 | A kind of defoamer and its production and use |
| CN106334348A (en) * | 2016-11-01 | 2017-01-18 | 合肥新万成环保科技有限公司 | Compound defoaming agent capable of improving toughness |
| CN106362443A (en) * | 2016-11-01 | 2017-02-01 | 合肥新万成环保科技有限公司 | Organic silicon defoaming agent with anti-cracking function |
| CN106362442A (en) * | 2016-11-01 | 2017-02-01 | 合肥新万成环保科技有限公司 | Waterproof polyether formulated de-foaming agent |
| CN106362444A (en) * | 2016-11-01 | 2017-02-01 | 合肥新万成环保科技有限公司 | Composite organic silicon defoamer containing coconut oil |
| CN106377927A (en) * | 2016-11-01 | 2017-02-08 | 合肥新万成环保科技有限公司 | Organic silicon antifoaming agent containing nano powder |
| CN106390533A (en) * | 2016-11-01 | 2017-02-15 | 合肥新万成环保科技有限公司 | Organosilicon defoamer with bactericidal action |
| CN106422430A (en) * | 2016-11-01 | 2017-02-22 | 合肥新万成环保科技有限公司 | Environment-friendly organic silicon defoamer |
| CN106512486A (en) * | 2016-11-01 | 2017-03-22 | 合肥新万成环保科技有限公司 | Compound polyether defoaming agent capable of ultraviolet ray protection |
| CN106540477A (en) * | 2016-11-01 | 2017-03-29 | 合肥新万成环保科技有限公司 | A kind of defoamer with fire retardation |
| CN106563293A (en) * | 2016-11-01 | 2017-04-19 | 合肥新万成环保科技有限公司 | A high-strength compound defoamer |
| CN110064233A (en) * | 2019-04-29 | 2019-07-30 | 宜昌汇富硅材料有限公司 | Organic silicon defoamer and preparation method thereof |
| CN110548315A (en) * | 2019-08-14 | 2019-12-10 | 湖南登科材料科技有限公司 | Novel organic silicon defoaming agent and preparation method thereof |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2004018074A1 (en) * | 2002-08-16 | 2004-03-04 | Dow Corning Corporation | Silicone foam control compositions |
| CN1613537A (en) * | 2004-09-22 | 2005-05-11 | 曹治平 | High-temperature defoamer and its preparation |
| CN102961896A (en) * | 2011-11-17 | 2013-03-13 | 天津法莫西医药科技有限公司 | Powder defoaming agent with flyash hollow glass beads as filler |
| CN104069654A (en) * | 2014-07-01 | 2014-10-01 | 西安道尔达化工有限公司 | Preparation method of high-viscosity organic silicon defoamer |
-
2016
- 2016-04-19 CN CN201610241212.8A patent/CN105688452B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2004018074A1 (en) * | 2002-08-16 | 2004-03-04 | Dow Corning Corporation | Silicone foam control compositions |
| CN1613537A (en) * | 2004-09-22 | 2005-05-11 | 曹治平 | High-temperature defoamer and its preparation |
| CN102961896A (en) * | 2011-11-17 | 2013-03-13 | 天津法莫西医药科技有限公司 | Powder defoaming agent with flyash hollow glass beads as filler |
| CN104069654A (en) * | 2014-07-01 | 2014-10-01 | 西安道尔达化工有限公司 | Preparation method of high-viscosity organic silicon defoamer |
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106267910A (en) * | 2016-08-10 | 2017-01-04 | 中国海洋石油总公司 | A kind of defoamer and its production and use |
| CN106334348A (en) * | 2016-11-01 | 2017-01-18 | 合肥新万成环保科技有限公司 | Compound defoaming agent capable of improving toughness |
| CN106362443A (en) * | 2016-11-01 | 2017-02-01 | 合肥新万成环保科技有限公司 | Organic silicon defoaming agent with anti-cracking function |
| CN106362442A (en) * | 2016-11-01 | 2017-02-01 | 合肥新万成环保科技有限公司 | Waterproof polyether formulated de-foaming agent |
| CN106362444A (en) * | 2016-11-01 | 2017-02-01 | 合肥新万成环保科技有限公司 | Composite organic silicon defoamer containing coconut oil |
| CN106377927A (en) * | 2016-11-01 | 2017-02-08 | 合肥新万成环保科技有限公司 | Organic silicon antifoaming agent containing nano powder |
| CN106390533A (en) * | 2016-11-01 | 2017-02-15 | 合肥新万成环保科技有限公司 | Organosilicon defoamer with bactericidal action |
| CN106422430A (en) * | 2016-11-01 | 2017-02-22 | 合肥新万成环保科技有限公司 | Environment-friendly organic silicon defoamer |
| CN106512486A (en) * | 2016-11-01 | 2017-03-22 | 合肥新万成环保科技有限公司 | Compound polyether defoaming agent capable of ultraviolet ray protection |
| CN106540477A (en) * | 2016-11-01 | 2017-03-29 | 合肥新万成环保科技有限公司 | A kind of defoamer with fire retardation |
| CN106563293A (en) * | 2016-11-01 | 2017-04-19 | 合肥新万成环保科技有限公司 | A high-strength compound defoamer |
| CN110064233A (en) * | 2019-04-29 | 2019-07-30 | 宜昌汇富硅材料有限公司 | Organic silicon defoamer and preparation method thereof |
| CN110548315A (en) * | 2019-08-14 | 2019-12-10 | 湖南登科材料科技有限公司 | Novel organic silicon defoaming agent and preparation method thereof |
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