CN107715507A - A kind of defoamer for softening agent film and preparation method thereof - Google Patents
A kind of defoamer for softening agent film and preparation method thereof Download PDFInfo
- Publication number
- CN107715507A CN107715507A CN201710802015.3A CN201710802015A CN107715507A CN 107715507 A CN107715507 A CN 107715507A CN 201710802015 A CN201710802015 A CN 201710802015A CN 107715507 A CN107715507 A CN 107715507A
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- Prior art keywords
- defoamer
- softening agent
- agent film
- methylol
- silicone oil
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- 239000013530 defoamer Substances 0.000 title claims abstract description 75
- 239000004902 Softening Agent Substances 0.000 title claims abstract description 43
- 238000002360 preparation method Methods 0.000 title claims abstract description 11
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical class OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 claims abstract description 68
- 229920002545 silicone oil Polymers 0.000 claims abstract description 34
- 239000004519 grease Substances 0.000 claims abstract description 21
- 229920001296 polysiloxane Polymers 0.000 claims abstract description 21
- 239000002270 dispersing agent Substances 0.000 claims abstract description 20
- 239000002480 mineral oil Substances 0.000 claims abstract description 20
- 235000010446 mineral oil Nutrition 0.000 claims abstract description 20
- 239000003995 emulsifying agent Substances 0.000 claims abstract description 18
- 238000003756 stirring Methods 0.000 claims description 9
- 238000002156 mixing Methods 0.000 claims description 8
- 239000004576 sand Substances 0.000 claims description 6
- 238000000034 method Methods 0.000 claims description 5
- 239000003795 chemical substances by application Substances 0.000 claims description 4
- 238000004945 emulsification Methods 0.000 claims description 3
- 238000000227 grinding Methods 0.000 claims 1
- 239000003921 oil Substances 0.000 abstract description 17
- 239000002245 particle Substances 0.000 abstract description 14
- 238000009826 distribution Methods 0.000 abstract description 11
- 238000004519 manufacturing process Methods 0.000 abstract description 7
- 238000003860 storage Methods 0.000 abstract description 6
- 230000000052 comparative effect Effects 0.000 description 19
- 238000013461 design Methods 0.000 description 8
- 238000012360 testing method Methods 0.000 description 7
- 239000002518 antifoaming agent Substances 0.000 description 6
- 239000006260 foam Substances 0.000 description 4
- KACXSZUSLJQLEG-UHFFFAOYSA-N hydroxymethylsilicon Chemical compound OC[Si] KACXSZUSLJQLEG-UHFFFAOYSA-N 0.000 description 3
- 239000007787 solid Substances 0.000 description 3
- 230000001186 cumulative effect Effects 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000001802 infusion Methods 0.000 description 2
- 238000003475 lamination Methods 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 238000011056 performance test Methods 0.000 description 2
- 241000165940 Houjia Species 0.000 description 1
- AFCARXCZXQIEQB-UHFFFAOYSA-N N-[3-oxo-3-(2,4,6,7-tetrahydrotriazolo[4,5-c]pyridin-5-yl)propyl]-2-[[3-(trifluoromethoxy)phenyl]methylamino]pyrimidine-5-carboxamide Chemical compound O=C(CCNC(=O)C=1C=NC(=NC=1)NCC1=CC(=CC=C1)OC(F)(F)F)N1CC2=C(CC1)NN=N2 AFCARXCZXQIEQB-UHFFFAOYSA-N 0.000 description 1
- 150000001450 anions Chemical class 0.000 description 1
- 239000012752 auxiliary agent Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000009514 concussion Effects 0.000 description 1
- 238000004132 cross linking Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000032798 delamination Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 239000000344 soap Substances 0.000 description 1
- 238000013112 stability test Methods 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
Classifications
-
- 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
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Toxicology (AREA)
- Dispersion Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Degasification And Air Bubble Elimination (AREA)
Abstract
The invention discloses a kind of defoamer for softening agent film, it is prepared by following components in percentage by weight：First methylol silicone oil 5 10%；Second methylol silicone oil 0.5 15%；Silicone grease 5 25%；Mineral oil 0.5 3%；Dispersant 45 80%；Emulsifying agent 0.5 10%；The percentage by weight sum of above-mentioned each component is 100%.The defoamer for being used for softening agent film is added to the phenomenon that oil slick, floating oil are occurred without in application system；Defoaming, suds suppressing properties are good, reduce addition, advantageously reduce cost；And the particle diameter distribution of defoamer is reasonable, storage stability is good.The invention also discloses a kind of preparation method of the defoamer for softening agent film, step is few, and flow is simple, and operating condition requires low, and production efficiency is high.
Description
Technical field
The present invention relates to defoamer technical field, more particularly to a kind of defoamer and its preparation side for softening agent film
Method.
Background technology
Softening agent is that one kind can change the confficient of static friction of fiber and the chemical substance of the coefficient of kinetic friction.Softening agent film is
One of type of softening agent, mainly based on soap, use is more convenient for it.Defoamer is a kind of auxiliary agent, its work(
Can eliminate the foam that material is formed in process of production.During the production or use of softening agent film, generally require to disappear
Infusion.
But there is following defect in existing softening agent film defoamer：
(1) poorly water-soluble, addition poor compatibility, are added in application system and oil slick, floating oil phenomenon, serious shadow easily occur
The using effect of film is rung；
(2) defoam suds suppressing properties it is poor, actual production process needs to add substantial amounts of defoamer, substantially increase production into
This, reduces economic benefit；
(3) defoamer stability itself is poor, is not easy to shipping storage, in transit inevitably concussion and storage in by
It can make defoamer layering, floating oil in the sweltering heat of weather, cause production loss.
The content of the invention
For overcome the deficiencies in the prior art, an object of the present invention is to provide a kind of disappearing for softening agent film
Infusion, the defoamer are added to the phenomenon that oil slick, floating oil are occurred without in application system；Defoaming, suds suppressing properties are good, reduce addition
Amount, advantageously reduces cost；And the particle diameter distribution of defoamer is reasonable, storage stability is good.
The second object of the present invention is to provide a kind of preparation method of the defoamer for softening agent film, and step is few,
Flow is simple, and operating condition requires low, and production efficiency is high.
An object of the present invention adopts the following technical scheme that realization：
A kind of defoamer for softening agent film, it is prepared by following components in percentage by weight：
First methylol silicone oil 5-10%；Second methylol silicone oil 0.5-15%；Silicone grease 5-25%；
Mineral oil 0.5-3%；Dispersant 45-80%；Emulsifying agent 0.5-10%；
The percentage by weight sum of above-mentioned each component is 100%.
Further, it is prepared by following components in percentage by weight：
First methylol silicone oil 6-8%；Second methylol silicone oil 3-8%；Silicone grease 10-20%；
Mineral oil 0.8-2%；Dispersant 55-70%；Emulsifying agent 1.5-5%；
The percentage by weight sum of above-mentioned each component is 100%.
Further, the dynamic viscosity of the first methylol silicone oil is 50-1000cs.
Further, the dynamic viscosity of the second methylol silicone oil is 10000-20000cs.
Further, the silicone grease is prepared according to method disclosed in patent US3207698A.
Further, the mineral oil is selected from Risella 917, SN SW-40, SL 15W-40 or the SG of Shell Co. Ltd
10W-30。
Further, the dispersant is selected from Silwet DA-33, Silwet DA-40, the Silwet of Mai Tu company of the U.S.
DA-63, Silwet SPM-1, Silwet SPM-2 or Silwet SPM-3.
Further, the emulsifying agent be selected from Ying Chuandigao companies LA-E1143, FLOW300, GLIDE100 or
GLIDEA116。
The second object of the present invention adopts the following technical scheme that realization：
A kind of preparation method of defoamer for softening agent film, is prepared according to following steps：By formula ratio
First methylol silicone oil, the second methylol silicone oil, dispersant and emulsifying agent are added in scattered sand mill, are stirred, Ran Houjia
Enter the silicone grease and mineral oil of formula ratio, continue to stir, after being well mixed, obtain the defoamer for being used for softening agent film.
Further, it is prepared according to following steps：By the first methylol silicone oil of formula ratio, the second methylol silicon
Oil, dispersant and emulsifying agent are added in scattered sand mill, and setting mixing speed is 800-950r/min, after stirring 15-25min,
The silicone grease and mineral oil of formula ratio are added, setting mixing speed is 900-1100r/min, stirs 0.8-1.2h, obtains the use
In the defoamer of softening agent film.
Compared with prior art, the beneficial effects of the present invention are：
(1) defoamer provided by the present invention for softening agent film, each component is reasonably combined, and usage ratio is appropriate,
Silicone grease and mineral oil improve compatibility, and the combination of emulsifying agent and dispersant improves the stability of emulsification structure, improve with
The compatibility of addition system；Two kinds of methylol silicone oil collocation use, and contribute to the lifting of system addition performance, so as to be added to body
The phenomenon of oil slick, floating oil is occurred without in system；The defoaming of product, suds suppressing properties are good, reduce addition, so as to reduce cost；
The particle diameter distribution of product is reasonable, and stability is high.
(2) preparation method of the defoamer provided by the present invention for softening agent film, step is few, and flow is simple, leads to
The particle diameter distribution that specific shear rate optimizes defoamer is crossed, improves the stability of storage.
Brief description of the drawings
Fig. 1 is the defoamer and the mixed design sketch of softening agent film of the embodiment of the present invention 1；
Fig. 2 is the defoamer and the mixed design sketch of softening agent film of the embodiment of the present invention 2；
Fig. 3 is the defoamer and the mixed design sketch of softening agent film of comparative example 1 of the present invention；
Fig. 4 is that the defoamer of the embodiment of the present invention 1 places 168h design sketch at 50 DEG C；
Fig. 5 is that the defoamer of the embodiment of the present invention 2 places 168h design sketch at 50 DEG C；
Fig. 6 is that the defoamer of comparative example 1 of the present invention places 168h design sketch at 50 DEG C.
Embodiment
Below, with reference to accompanying drawing and embodiment, the present invention is described further, it is necessary to which explanation is, not
Under the premise of afoul, new implementation can be formed between various embodiments described below or between each technical characteristic in any combination
Example.
A kind of defoamer for softening agent film, it is prepared by following components in percentage by weight：
First methylol silicone oil 5-10%；Second methylol silicone oil 0.5-15%；Silicone grease 5-25%；
Mineral oil 0.5-3%；Dispersant 45-80%；Emulsifying agent 0.5-10%；
The percentage by weight sum of above-mentioned each component is 100%.
As further embodiment, it is prepared by following components in percentage by weight：
First methylol silicone oil 6-8%；Second methylol silicone oil 3-8%；Silicone grease 10-20%；
Mineral oil 0.8-2%；Dispersant 55-70%；Emulsifying agent 1.5-5%；
The percentage by weight sum of above-mentioned each component is 100%.
As further embodiment, the dynamic viscosity of the first methylol silicone oil is 50-1000cs, the second methylol silicon
The dynamic viscosity of oil is 10000-20000cs, and two kinds of methylol silicone oil collocation with specified power viscosity use, and contribute to body
The lifting of system's addition performance, is not in the phenomenon of oil slick, floating oil so that after product is added in system.
As further embodiment, silicone grease is prepared according to method disclosed in patent US3207698A.The patent
Disclosed silicone grease has special cross-linked structure, enables to the defoaming suds suppressing properties of product to improve, reduces addition, help
In reduction use cost.
As further embodiment, mineral oil is selected from Risella 917, SN SW-40, the SL 15W- of Shell Co. Ltd
40 or SG 10W-30.Mineral oil can lift the compatibility and stability of product itself, also cause product with adding the phase of system
Capacitive is lifted.
As further embodiment, dispersant is selected from Silwet DA-33, the Silwet DA- of Mai Tu company of the U.S.
40th, Silwet DA-63, Silwet SPM-1, Silwet SPM-2 or Silwet SPM-3.The dispersant of these types
Ability is strong, and addition is few, can lift the antifoam performance of product.
As further embodiment, emulsifying agent be selected from Ying Chuandigao companies LA-E1143, FLOW300,
GLIDE100 or GLIDEA116.
The defoamer for softening agent film that the embodiment of the present invention is provided, each component is reasonably combined, and usage ratio is proper
When preferable silicone grease and mineral oil improve compatibility；The combination of emulsifying agent and dispersant improves the stability of emulsification structure,
Improve the compatibility with addition system；Two kinds of methylol silicone oil collocation with specified power viscosity use, and contribute to system
The lifting of performance is added, is not in the phenomenon of oil slick, floating oil so that after product is added in system；And the defoaming
Agent uses special crosslinking silicone grease structure so that the defoaming suds suppressing properties of product improve, and addition are reduced, so as to reduce into
This；In addition, the particle diameter distribution of product is reasonable, stability is high.
A kind of preparation method of defoamer for softening agent film, is prepared according to following steps：By formula ratio
First methylol silicone oil, the second methylol silicone oil, dispersant and emulsifying agent are added in scattered sand mill, and setting mixing speed is
800-950r/min, after stirring 15-25min, the silicone grease and mineral oil of formula ratio are added, setting mixing speed is 900-1100r/
Min, 0.8-1.2h is stirred, obtains the defoamer for softening agent film.
The preparation method for the defoamer for softening agent film that the embodiment of the present invention is provided, step is few, and flow is simple,
The particle diameter distribution of defoamer is optimized by specific shear rate, improves the stability of storage.
It is specific embodiment of the present invention below, used raw material, equipment etc. remove special limit in the following embodiments
It can be obtained outside fixed by buying pattern.
Embodiment 1-5
A kind of defoamer for softening agent film, by the first methylol silicone oil, the second methylol silicone oil, silicone grease, mineral
Oil, dispersant and emulsifying agent are prepared, and specific composition information see the table below 1.
The formula record sheet of the embodiment 1-5 of table 1 defoamer
The above-mentioned defoamer for softening agent film is prepared according to following steps：By the first methylol silicon of formula ratio
Oil, the second methylol silicone oil, dispersant and emulsifying agent are added in scattered sand mill, and setting mixing speed is 900r/min, stirring
After 20min, the silicone grease and mineral oil of formula ratio are added, setting mixing speed is 1000r/min, stirs 1h, is obtained for softness
The defoamer of agent film.
Comparative example 1
The conventional softening agent film defoamer of market purchase.
Effect assessment and performance detection
1st, performance test is added
The solid film of the market purchase of 6 parts of equivalent is weighed respectively, is heated to about 90 DEG C, is then added embodiment 1- respectively
5 and the defoamer of comparative example 1, with magnetic stirrer same time.
Respectively as depicted in figs. 1 and 2, the design sketch of comparative example 1 is as shown in Figure 3 for embodiment 1-2 design sketch.
It can be obtained from Fig. 1-3 result, after embodiment 1-2 defoamer is added in solid film, the system ratio that is formed
It is more uniform, illustrate that the compatibility of system is good, embodiment 3-5 test result is close with embodiment 1-2, will not be repeated here；And
After the Commercial antifoam agent of comparative example 1 is added in solid film, uneven state is presented in system, with the presence of agglomerating particle, shows
The poor compatibility of system.It can be seen that the softening agent film defoamer that 1-5 of the embodiment of the present invention is provided is better than city in addition performance
Conventional film defoamer on face.
2nd, stability D50Test I (particle diameter test)
Method of testing：Testing sample is diluted to suitable concn, is slowly added to particle diameter tester, tester to be entered it is dense
When degree is close to 10 μ L, " measurement " key is pressed, you can automatic detection goes out the particle diameter distribution of each sample.
Test result is as shown in table 2 below.
The embodiment 1-5 of table 2 and comparative example 1-2 defoamer particle diameter test result record sheet
| Embodiment 1 | Embodiment 2 | Embodiment 3 | Embodiment 4 | Embodiment 5 | Comparative example 1 | |
| D90 | 2.95μm | 2.76μm | 2.85μm | 2.78μm | 2.86μm | 6.28μm |
| D50 | 1.49μm | 1.34μm | 1.46μm | 1.50μm | 1.38μm | 3.06μm |
In table, D50Represent cumulative distribution in size distribution curve as 50% when the largest particles equivalent diameter；D90Represent
The equivalent diameter of the largest particles when cumulative distribution is 90% in size distribution curve.It can be obtained from the record result of table 2, embodiment
1-5 D90Value is than the D of comparative example 190It is worth small, embodiment 1-5 D50Value is than the D of comparative example 150It is worth small, it is seen then that embodiment
1-5 defoamer is thinner than the defoamer particle diameter of comparative example 1, is more evenly distributed, and embodiment 1-5 defoamer stability is good,
During use substantially not floating oil, do not separate out.
3rd, stability test II
Equivalent embodiment 1-5 and the defoamer of comparative example 1 are taken respectively, is contained in identical bottle, are subsequently placed in 50 DEG C
Baking oven in, place 168h, observe the delamination of every kind of defoamer.As a result Fig. 4-6 is seen.
Fig. 4 and Fig. 5 is respectively the result figure of embodiment 1- and embodiment 2, it is seen that embodiment 1-2 defoaming
After agent places 168h at 50 DEG C, still uniformly, there is not lamination, embodiment 3-5 test result and embodiment 1-2
It is close, it will not be repeated here.Fig. 6 is the result figure of the defoamer of comparative example 1, can be obtained from figure, the defoamer of comparative example 1 then occurs
The lamination of star.
It can be seen that the high-temperature stability of embodiment 1-5 defoamer is substantially better than the conventional film defoamer of market.
4th, suds antifoam performance is tested
Certain anion foam liquid of equivalent is contained with 6 brace plug graduated cylinders respectively, is then respectively adding the embodiment 1-5 of equivalent
With the defoamer of comparative example 1, teetertotter successively under 20, observe and record start bubble is high, keep flat and observe note again after standing 5min
Record foam height.Record result see the table below 3.
The embodiment 1-5 of table 3 and the defoamer of comparative example 1 suds antifoam performance test result record sheet
| Starting bubble is high (ml) | Steeped after 5min high (ml) | |
| Embodiment 1 | 50 | 30 |
| Embodiment 2 | 51 | 31 |
| Embodiment 3 | 51 | 32 |
| Embodiment 4 | 50 | 31 |
| Embodiment 5 | 50.5 | 30 |
| Comparative example 1 | 53 | 36 |
It can be obtained from the data of table 3, with the addition of embodiment 1-5 defoamer, the starting bubble height of foam liquid is below comparative example 1
Starting bubble it is high, the suds suppressing properties for indicating embodiment 1-5 defoamer are better than the defoamer that market is commonly used.After 5min, implement
Example 1-5 defoamer defoams more than 19ml, and the defoamer of comparative example 1 only defoams 17ml, indicates the defoamer for applying a 1-5
Antifoam performance be better than market commonly use defoamer.
Above-mentioned embodiment is only the preferred embodiment of the present invention, it is impossible to the scope of protection of the invention is limited with this,
The change and replacement for any unsubstantiality that those skilled in the art is done on the basis of the present invention belong to institute of the present invention
Claimed scope.
Claims (10)
1. a kind of defoamer for softening agent film, it is characterised in that prepared by following components in percentage by weight
Form：
First methylol silicone oil 5-10%；Second methylol silicone oil 0.5-15%；Silicone grease 5-25%；
Mineral oil 0.5-3%；Dispersant 45-80%；Emulsifying agent 0.5-10%；
The percentage by weight sum of above-mentioned each component is 100%.
2. it is used for the defoamer of softening agent film as claimed in claim 1, it is characterised in that by percentage by weight
Following components is prepared：
First methylol silicone oil 6-8%；Second methylol silicone oil 3-8%；Silicone grease 10-20%；
Mineral oil 0.8-2%；Dispersant 55-70%；Emulsifying agent 1.5-5%；
The percentage by weight sum of above-mentioned each component is 100%.
3. it is used for the defoamer of softening agent film as claimed in claim 1, it is characterised in that the first methylol silicone oil
Dynamic viscosity is 50-1000cs.
4. it is used for the defoamer of softening agent film as claimed in claim 1, it is characterised in that the second methylol silicone oil
Dynamic viscosity is 10000-20000cs.
5. it is used for the defoamer of softening agent film as claimed in claim 1, it is characterised in that the silicone grease is according to patent
Method is prepared disclosed in US3207698A.
6. it is used for the defoamer of softening agent film as claimed in claim 1, it is characterised in that it is public that the mineral oil is selected from shell
Risella 917, SN SW-40, SL 15W-40 or the SG 10W-30 of department.
7. it is used for the defoamer of softening agent film as claimed in claim 1, it is characterised in that the dispersant steps selected from the U.S.
The Silwet DA-33 of figure company, Silwet DA-40, Silwet DA-63, Silwet SPM-1, Silwet SPM-2 or
Silwet SPM-3。
8. it is used for the defoamer of softening agent film as claimed in claim 1, it is characterised in that the emulsifying agent, which is selected from, wins wound enlightening
LA-E1143, FLOW300, GLIDE100 or GLIDEA116 of Gao companies.
9. a kind of preparation method of defoamer for softening agent film as described in claim any one of 1-8, its feature exist
In being prepared according to following steps：By the first methylol silicone oil of formula ratio, the second methylol silicone oil, dispersant and emulsification
Agent is added in scattered sand mill, is stirred, and is then added the silicone grease and mineral oil of formula ratio, is continued to stir, after being well mixed,
Obtain the defoamer for being used for softening agent film.
10. it is used for the preparation method of the defoamer of softening agent film as claimed in claim 9, it is characterised in that according to following
Step is prepared：First methylol silicone oil of formula ratio, the second methylol silicone oil, dispersant and emulsifying agent are added into scattered sand
In grinding machine, setting mixing speed is 800-950r/min, after stirring 15-25min, adds the silicone grease and mineral oil of formula ratio, if
It is 900-1100r/min to put mixing speed, stirs 0.8-1.2h, obtains the defoamer for being used for softening agent film.
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| CN201710802015.3A CN107715507B (en) | 2017-09-07 | 2017-09-07 | A kind of antifoaming agent and preparation method thereof for softening agent film |
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| CN201710802015.3A CN107715507B (en) | 2017-09-07 | 2017-09-07 | A kind of antifoaming agent and preparation method thereof for softening agent film |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108442105A (en) * | 2018-03-22 | 2018-08-24 | 河南宏泰新材料科技有限公司 | Composite type modified dose of inorfil and preparation method thereof |
| CN110820327A (en) * | 2019-11-22 | 2020-02-21 | 广州科丰达新材料科技有限公司 | Phosphorus-free soft sheet and preparation method thereof |
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| CN1919936A (en) * | 2006-08-31 | 2007-02-28 | 南京四新科技应用研究所有限公司 | Organosilicon defoaming agent for water-based system and preparation method thereof |
| CN103572653A (en) * | 2013-10-31 | 2014-02-12 | 江苏赛欧信越消泡剂有限公司 | Emulsion type silicon resin defoaming agent for pulping in papermaking |
| CN103877755A (en) * | 2014-03-11 | 2014-06-25 | 苏州恒康新材料有限公司 | Organic silicon defoaming agent and preparation method thereof |
| CN106215468A (en) * | 2016-08-29 | 2016-12-14 | 枣阳市金鹏化工有限公司 | A kind of silicone antifoaming agent and preparation method thereof |
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| CN108442105A (en) * | 2018-03-22 | 2018-08-24 | 河南宏泰新材料科技有限公司 | Composite type modified dose of inorfil and preparation method thereof |
| CN110820327A (en) * | 2019-11-22 | 2020-02-21 | 广州科丰达新材料科技有限公司 | Phosphorus-free soft sheet and preparation method thereof |
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