CN109200632A - Multi-functional nontoxic high temperature silicone modified polyether industrial defoaming agent of one kind and preparation method thereof - Google Patents
Multi-functional nontoxic high temperature silicone modified polyether industrial defoaming agent of one kind and preparation method thereof Download PDFInfo
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- CN109200632A CN109200632A CN201811040315.3A CN201811040315A CN109200632A CN 109200632 A CN109200632 A CN 109200632A CN 201811040315 A CN201811040315 A CN 201811040315A CN 109200632 A CN109200632 A CN 109200632A
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- defoaming agent
- high temperature
- modified polyether
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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
-
- 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
-
- 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
- B01D19/0422—Foam dispersion or prevention by addition of chemical substances characterised by the nature of the chemical substance compounds containing S-atoms
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G77/00—Macromolecular compounds obtained by reactions forming a linkage containing silicon with or without sulfur, nitrogen, oxygen or carbon in the main chain of the macromolecule
- C08G77/42—Block-or graft-polymers containing polysiloxane sequences
- C08G77/46—Block-or graft-polymers containing polysiloxane sequences containing polyether sequences
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- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Toxicology (AREA)
- Dispersion Chemistry (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Silicon Polymers (AREA)
- Degasification And Air Bubble Elimination (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
The present invention provides multi-functional nontoxic high temperature silicone modified polyether industrial defoaming agent of one kind and preparation method thereof, is related to a kind of Polymer Synthesizing auxiliary agent technical field.The invention is prepared by the raw material comprising following weight parts: 50-90 parts of polyethers, organic-silicon-modified intermediate 10-50 parts, sulfuric acid is 5-15 parts.Defoaming agent of the present invention has the ability quickly defoamed under the high temperature conditions, and the foam inhibition time is long, surface-active and physiological inertia with higher, product thermal stability is good, not oxidizable, not volatile, it is corrosion-free, it is nontoxic, it can be used under room temperature to 130 DEG C or more hot conditions.
Description
Technical field
The present invention relates to a kind of Polymer Synthesizing auxiliary agent technical fields, organic more particularly to a kind of multi-functional nontoxic high temperature
Silicon-modified polyether industrial defoaming agent and preparation method thereof.
Background technique
Currently, the industrial defoaming agent dosage of domestic production is very big, but it is substantially using blend method, by organic silicone oil
It is blended with emulsifier, stabilizer, no matter how these silicone oil emulsions convert modified component, the use of high-temperature field is all deposited
It in defect, such as is more than 130 DEG C or more of some fields using temperature, defoaming effect is deteriorated.
Under the high temperature conditions, since silicone oil particle is easy to agglomerate at high temperature to become larger and the oil-yielding stratum that gradually dissociates, cause to disappear
Effect is steeped to be deteriorated.Such as the organic silicon defoamer used in high-temperature machining oil, the defoaming of mechanical anti-icing fluid；In chemical industry system
In, the defoaming of high-temperature strong acid, highly basic reaction system, such as phosphoric acid production defoaming, there are also the high-temperature dyeings of polyester textile
The high temperature of journey defoams, and can all encounter similar problem.How by being modified, produce can using under the high temperature conditions, stable
Multi-functional defoaming agent be domestic every profession and trade service, be an important task of the invention.
Summary of the invention
Aiming at the shortcomings existing in the above problems, it is modified poly- to provide a kind of multi-functional nontoxic high temperature silicone by the present invention
Ether industrial defoaming agent and preparation method thereof makes this defoaming agent have the ability quickly defoamed under the high temperature conditions, and when foam inhibition
Between it is long, surface-active and physiological inertia with higher, product thermal stability is good, not oxidizable, not volatile, corrosion-free, nothing
Poison.
To solve the above-mentioned problems, the present invention provides a kind of multi-functional nontoxic high temperature silicone modified polyether industry defoaming
Agent, wherein be prepared by the raw material comprising following weight parts: 50-90 parts of polyethers, 10-50 parts of silicone intermediate, sulfuric acid is
5-15 parts.
Preferably, it is prepared by the raw material comprising following weight parts: 50 parts of polyethers, 50 parts of silicone intermediate, sulfuric acid
It is 5 parts.
Preferably, it is prepared by the raw material comprising following weight parts: 70 parts of polyethers, 30 parts of silicone intermediate, sulfuric acid
It is 10 parts.
Preferably, it is prepared by the raw material comprising following weight parts: 90 parts of polyethers, 10 parts of silicone intermediate, sulfuric acid
It is 15 parts.
Preferably, silicone intermediate is prepared by the raw material comprising following weight parts: hexamethyl siloxane 10-50
Part, 10-40 parts of trim,ethylchlorosilane.
Preferably, silicone intermediate is prepared by the raw material comprising following weight parts: 10 parts of hexamethyl siloxane, three
10 parts of methylchlorosilane.
Preferably, silicone intermediate is prepared by the raw material comprising following weight parts: 30 parts of hexamethyl siloxane, three
25 parts of methylchlorosilane.
Preferably, silicone intermediate is prepared by the raw material comprising following weight parts: 50 parts of hexamethyl siloxane, three
40 parts of methylchlorosilane.
A kind of preparation method of multi-functional nontoxic high temperature silicone modified polyether industrial defoaming agent, wherein including following step
It is rapid:
S10, firstly, silicone intermediate is prepared, using 20 parts of hexamethyl siloxane, 30 parts of trim,ethylchlorosilane, with 5 parts
Sulphur acid as catalyst, is reacted, and produces modified organic silicon intermediate first；
S20, by 50 parts of silicone intermediates and 50 parts of polyethers, in 85 DEG C of emulsion polymerizations under 5 parts of sulfuric acid catalysis, produce
The heat-resisting silicon ether defoaming agent of top grade that content is 100%.
Compared with prior art, the invention has the following advantages that
1, the present invention is produced using emulsion polymerisation process, content 100%.Compared with traditional defoaming agent, have in high temperature item
The ability quickly defoamed under part, the foam inhibition time is long, and surface-active and physiological inertia with higher, product is not oxidizable, is not easy
Volatilization, it is corrosion-free, it is nontoxic, it is the non-toxic product of internationally recognized environmentally friendly system, which maintains the leading position at home.
2, organosilicon modified polyether defoaming agent production cost of the invention is low, and the product solid content than external import is high, Europe
The silicon ether defoaming agent lotion of continent import, oil content 30%, more than 50000 yuan of silicon ether defoaming agent price.The silicon ether that the present invention makes disappears
Infusion, oil content 100%, stable system, defoaming effect are better than the defoaming agent of external import, and production cost is than external import price
Low 50%.
3, make catalyst present invention employs nontoxic organosilicon and polyethers raw material and excellent pure grade sulfuric acid, production it is organic
The polyether antifoam agent of Si modification is nontoxic, which is also environment-friendly products generally acknowledged in the world, meets the total of domestic and international auxiliary agent development
Trend, product have good development prospect.
Specific embodiment
In order to make the objectives, technical solutions, and advantages of the present invention clearer, the present invention is made below with reference to example
It is further described, but example is not as a limitation of the invention.
Embodiment 1
A kind of multi-functional nontoxic high temperature silicone modified polyether industrial defoaming agent is prepared by the raw material comprising following weight parts
Form: 50 parts of polyethers, 50 parts of silicone intermediate, sulfuric acid is 5 parts.
Silicone intermediate is prepared by the raw material comprising following weight parts: 10 parts of hexamethyl siloxane, trimethyl chlorine
10 parts of silane.
A kind of preparation method of multi-functional nontoxic high temperature silicone modified polyether industrial defoaming agent, including following two step
It is rapid:
S10, using 20 parts of hexamethyl siloxane, 30 parts of trim,ethylchlorosilane, with 5 parts of sulphur acid as catalyst, produce first
Modified organic silicon intermediate out；
S20, by 50 parts of silicone intermediates and 50 parts of polyethers, in 85 DEG C of emulsion polymerizations under 5 parts of sulfuric acid catalysis, produce
The high-grade silicon ether defoaming agent that content is 100%.
The defoaming agent appearance produced in the present embodiment be light yellow oily solution, content: 100%, PH:6-8, specific gravity:
>=1.0, viscosity: 500-900 (25 DEG C, mm2/ g), storage and transportation: room temperature is to≤- 20 DEG C.In the high temperature foam liquid of production phosphoric acid, survey
Fixed this defoaming agent antifoaming speed 5-6s, foam inhibition time > 1800s.
The organic-silicon-modified polyethers high temperature defoaming agent of the embodiment of the present invention 1 is the method using chemical modification, is had with a variety of
Organic silicon surface active agent is copolymerized as modified component and polyethers, forms with overall characteristic, chemical modification silicon ether industry
Defoaming agent.Due to using the new modified component of silicone intermediate with high surface in silicon ether defoaming agent synthesis process,
Make the dispersibility enhancing of silicon ether defoaming agent of the invention in various foam liquids, stable system improves the heat-resisting of defoaming agent
Performance, and though this defoaming agent room temperature or in 130 DEG C or more high temperature defoaming fields using having extraordinary defoaming effect and suppression
Steep performance.
Embodiment 2
A kind of multi-functional nontoxic high temperature silicone modified polyether industrial defoaming agent is prepared by the raw material comprising following weight parts
Form: 70 parts of polyethers, 30 parts of silicone intermediate, sulfuric acid is 10 parts.
Silicone intermediate is prepared by the raw material comprising following weight parts: 30 parts of hexamethyl siloxane, trimethyl chlorine
25 parts of silane.
A kind of preparation method of multi-functional nontoxic high temperature silicone modified polyether industrial defoaming agent, including following two step
It is rapid:
S10, using 20 parts of hexamethyl siloxane, 30 parts of trim,ethylchlorosilane, with 5 parts of sulphur acid as catalyst, reacted,
Modified organic silicon intermediate is produced first；
S20, by 70 parts of polyethers and 30 parts of intermediates, under 10 parts of sulfuric acid catalysis, in 85 DEG C of emulsion polymerizations, produce content
For 100% silicon ether defoaming agent.
The defoaming agent prepared using the batching system of embodiment 2, appearance are yellow oil solution, content 100%, viscosity
600mm2/g (25 DEG C), PH6-8 measure this defoaming agent antifoaming speed 6-9s in the high temperature foam liquid of production phosphoric acid, when foam inhibition
Between >=1800s.
Embodiment 3
A kind of multi-functional nontoxic high temperature silicone modified polyether industrial defoaming agent is prepared by the raw material comprising following weight parts
Form: 90 parts of polyethers, 10 parts of silicone intermediate, sulfuric acid is 15 parts.
Silicone intermediate is prepared by the raw material comprising following weight parts: 50 parts of hexamethyl siloxane, trimethyl chlorine
40 parts of silane.
A kind of preparation method of multi-functional nontoxic high temperature silicone modified polyether industrial defoaming agent, comprising the following steps:
S10, using 10-30 parts of hexamethyl siloxane, best 20 parts；20-40 parts of trim,ethylchlorosilane, best 30 parts, with 5
Part sulphur acid as catalyst, is reacted, produces modified organic silicon intermediate first；
S20, by 10 parts of silicone intermediates and 90 parts of polyethers, in 85 DEG C of emulsion polymerizations under 15 parts of sulfuric acid catalysis, production
Organosilicon modified polyether defoaming agent out, appearance are yellow oil solution, content 100%, viscosity 900mm2/ g (25 DEG C), PH6-
8, in the high temperature foam liquid of production phosphoric acid, measure this defoaming agent antifoaming speed 6-9s, foam inhibition time >=1800s.
In the present embodiment, by many experiments show due to the present invention selected nontoxic organosilicon and polyethers raw material with
And the catalyst of excellent pure grade, the organic-silicon-modified polyether antifoam agent of production is nontoxic, is environment-friendly products system generally acknowledged in the world.
The composition principle of the organic-silicon-modified polyethers high temperature defoaming agent of the present invention is the method using chemical modification, with a variety of organosilicon tables
Face activating agent is copolymerized as modified component and polyethers, forms with overall characteristic, chemical modification silicon ether industrial defoaming agent.
Due to using the new modified component with surface-active in silicon ether defoaming agent synthesis process, silicon ether defoaming agent of the invention is made to exist
Dispersibility enhancing in various antifoaming systems, heat resistance is good, extends the foam inhibition time, has filled up domestic hot industry defoaming
A blank in agent kind.
Demand of the present invention according to the country to high temperature and high temperature acid and alkali-resistance field to defoaming agent, it is raw using emulsion polymerisation process
The defoaming agent of production can be widely applied to the production of high temeperature chemistry product, pharmaceuticals industry and various high molecular polymerizations and production of resins, use
Amount changes according to the difference of raw bubble liquid, and defoaming agent is easy to use, can be directly added into reaction system, can also in the reaction the phase and
It is added in reaction system after reaction.In large-scale phosphoric acid production line, pharmaceuticals industry, under the conditions of chemical fibre high-temperature dyeing and shear at high temperature,
Defoaming agent of the invention all has good defoaming effect；And the field is also a potential market of domestic defoaming agent.
Through investigating the high temperature defoaming agent for the technology production developed by Party B company using us, 500,000 tons of Hubei, phosphoric acid is raw
It is used in the pyroreaction technique of producing line, using effect is good, the deep welcome by producer.Factory's staff response, past attempts use
The defoaming agent of excessive family, defoaming effect is bad always, has reached technique requirement, producer using the high temperature defoaming agent developed by us
Feel quite pleased.Confirm that the high-grade multifunctional high-temperature organosilicon modified polyether industrial defoaming agent that we develop has good usability
Energy.
The multi-functional nontoxic high temperature silicone modified polyether defoaming agent quality standard of the present invention:
Appearance: pale yellowish oil transparency liquid
PH:6-8
Specific gravity: >=1.0
Viscosity (25 DEG C, mm2/ g): 500-900
Effective content: 100%
Foam time :≤10s
The foam inhibition time: >=1800s
The foregoing description of the disclosed embodiments enables those skilled in the art to implement or use the present invention.
Various modifications to these embodiments will be readily apparent to those skilled in the art, as defined herein
General Principle can be realized in other embodiments without departing from the spirit or scope of the present invention.Therefore, of the invention
It is not intended to be limited to the embodiments shown herein, and is to fit to and the principles and novel features disclosed herein phase one
The widest scope of cause.
Claims (9)
1. a kind of multi-functional nontoxic high temperature silicone modified polyether industrial defoaming agent, which is characterized in that by including following weight parts
Raw material be prepared: 50-90 parts of polyethers, 10-50 parts of silicone intermediate, sulfuric acid be 5-15 parts.
2. multi-functional nontoxic high temperature silicone modified polyether industrial defoaming agent as described in claim 1, which is characterized in that by wrapping
Raw material containing following weight parts is prepared: 50 parts of polyethers, 50 parts of silicone intermediate, sulfuric acid is 5 parts.
3. multi-functional nontoxic high temperature silicone modified polyether industrial defoaming agent as described in claim 1, which is characterized in that by wrapping
Raw material containing following weight parts is prepared: 70 parts of polyethers, 30 parts of silicone intermediate, sulfuric acid is 10 parts.
4. the multi-functional nontoxic high temperature silicone modified polyether industrial defoaming agent as described in right asks 1, which is characterized in that by comprising
The raw material of following weight parts is prepared: 90 parts of polyethers, 10 parts of silicone intermediate, sulfuric acid is 15 parts.
5. the multi-functional nontoxic high temperature silicone modified polyether industrial defoaming agent as described in right asks 1, which is characterized in that organosilicon
Intermediate is prepared by the raw material comprising following weight parts: 10-50 parts of hexamethyl siloxane, 10-40 parts of trim,ethylchlorosilane.
6. the multi-functional nontoxic high temperature silicone modified polyether industrial defoaming agent as described in right asks 5, which is characterized in that organosilicon
Intermediate is prepared by the raw material comprising following weight parts: 10 parts of hexamethyl siloxane, 10 parts of trim,ethylchlorosilane.
7. the multi-functional nontoxic high temperature silicone modified polyether industrial defoaming agent as described in right asks 5, which is characterized in that organosilicon
Intermediate is prepared by the raw material comprising following weight parts: 30 parts of hexamethyl siloxane, 25 parts of trim,ethylchlorosilane.
8. the multi-functional nontoxic high temperature silicone modified polyether industrial defoaming agent as described in right asks 5, which is characterized in that organosilicon
Intermediate is prepared by the raw material comprising following weight parts: 50 parts of hexamethyl siloxane, 40 parts of trim,ethylchlorosilane.
9. a kind of preparation method of multi-functional nontoxic high temperature silicone modified polyether industrial defoaming agent as described in claim 1,
Characterized by comprising the following steps:
S10, firstly, silicone intermediate is prepared, using 20 parts of hexamethyl siloxane, 30 parts of trim,ethylchlorosilane, with 5 parts of sulfuric acid
Make catalyst, reacted, produces modified organic silicon intermediate first；
S20, by 50 parts of silicone intermediates and 50 parts of polyethers, in 85 DEG C of emulsion polymerizations under 5 parts of sulfuric acid catalysis, produce content
For the 100% heat-resisting silicon ether defoaming agent of top grade.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811040315.3A CN109200632A (en) | 2018-09-11 | 2018-09-11 | Multi-functional nontoxic high temperature silicone modified polyether industrial defoaming agent of one kind and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811040315.3A CN109200632A (en) | 2018-09-11 | 2018-09-11 | Multi-functional nontoxic high temperature silicone modified polyether industrial defoaming agent of one kind and preparation method thereof |
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| CN109200632A true CN109200632A (en) | 2019-01-15 |
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| CN201811040315.3A Pending CN109200632A (en) | 2018-09-11 | 2018-09-11 | Multi-functional nontoxic high temperature silicone modified polyether industrial defoaming agent of one kind and preparation method thereof |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102218233A (en) * | 2011-05-27 | 2011-10-19 | 保利民爆济南科技有限公司 | Special antifoaming agent for circuit board |
| CN102961897A (en) * | 2012-10-21 | 2013-03-13 | 安徽銮威化工科技开发有限公司 | Electrostatic flocking adhesive defoamer and application thereof |
| CN104001350A (en) * | 2013-02-22 | 2014-08-27 | 南京四新科技应用研究所有限公司 | Method for improving performances of antifoaming agent for circuit board cleaning |
| CN106345148A (en) * | 2016-10-21 | 2017-01-25 | 中国石油集团川庆钻探工程有限公司长庆固井公司 | Siloxane foam inhibitor as well as preparation method and application thereof |
| CN107469411A (en) * | 2017-09-25 | 2017-12-15 | 常州苏通海平机电科技有限公司 | A kind of preparation method of organic silicon defoamer |
-
2018
- 2018-09-11 CN CN201811040315.3A patent/CN109200632A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102218233A (en) * | 2011-05-27 | 2011-10-19 | 保利民爆济南科技有限公司 | Special antifoaming agent for circuit board |
| CN102961897A (en) * | 2012-10-21 | 2013-03-13 | 安徽銮威化工科技开发有限公司 | Electrostatic flocking adhesive defoamer and application thereof |
| CN104001350A (en) * | 2013-02-22 | 2014-08-27 | 南京四新科技应用研究所有限公司 | Method for improving performances of antifoaming agent for circuit board cleaning |
| CN106345148A (en) * | 2016-10-21 | 2017-01-25 | 中国石油集团川庆钻探工程有限公司长庆固井公司 | Siloxane foam inhibitor as well as preparation method and application thereof |
| CN107469411A (en) * | 2017-09-25 | 2017-12-15 | 常州苏通海平机电科技有限公司 | A kind of preparation method of organic silicon defoamer |
Non-Patent Citations (1)
| Title |
|---|
| 表面活性剂和洗涤剂行业生产力促进中心，中国日用化学工业研究院: "《2017中国表面活性剂行业年鉴》", 31 October 2017, 中国轻工业出版社 * |
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Application publication date: 20190115 |