CN106746889A - A kind of gypsum base grouting material solid defoaming agent and preparation method thereof - Google Patents
A kind of gypsum base grouting material solid defoaming agent and preparation method thereof Download PDFInfo
- Publication number
- CN106746889A CN106746889A CN201611056491.7A CN201611056491A CN106746889A CN 106746889 A CN106746889 A CN 106746889A CN 201611056491 A CN201611056491 A CN 201611056491A CN 106746889 A CN106746889 A CN 106746889A
- Authority
- CN
- China
- Prior art keywords
- grouting material
- defoamer
- defoaming agent
- gypsum base
- solid defoaming
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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Classifications
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B40/00—Processes, in general, for influencing or modifying the properties of mortars, concrete or artificial stone compositions, e.g. their setting or hardening ability
- C04B40/0028—Aspects relating to the mixing step of the mortar preparation
- C04B40/0039—Premixtures of ingredients
- C04B40/0042—Powdery mixtures
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B20/00—Use of materials as fillers for mortars, concrete or artificial stone according to more than one of groups C04B14/00 - C04B18/00 and characterised by shape or grain distribution; Treatment of materials according to more than one of the groups C04B14/00 - C04B18/00 specially adapted to enhance their filling properties in mortars, concrete or artificial stone; Expanding or defibrillating materials
- C04B20/10—Coating or impregnating
- C04B20/1018—Coating or impregnating with organic materials
- C04B20/1029—Macromolecular compounds
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2103/00—Function or property of ingredients for mortars, concrete or artificial stone
- C04B2103/50—Defoamers, air detrainers
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Curing Cements, Concrete, And Artificial Stone (AREA)
Abstract
The invention discloses a kind of gypsum base grouting material solid defoaming agent, the defoamer is made up of defoamer particle and the diaphragm being wrapped on defoamer particle, and the diaphragm is soluble polymeric films；The defoamer particle is used includes following raw material：70 80 parts of organic silicon modified by polyether class anti-foam product, 20 30 parts of class component living and carrier, a diameter of 0.1 0.5mm of the defoamer particle.Correspondingly, the invention also discloses a kind of gypsum base grouting material preparation method of solid defoaming agent.The present invention be directed to the defoamer that the alkaline resistance properties of the particular service requirement making of strength cement-based grouting material is excellent, extend the storage period of product.
Description
Technical field
The present invention relates to chemical building material technical field, more particularly to a kind of gypsum base grouting material solid defoaming agent and its system
Preparation Method.
Background technology
Strength cement-based grouting material is the premixing mortar being formulated by a certain percentage by aggregate, cement and additive, its quality
Stabilization, reliable in quality, are mainly used in the grouting of installation equipment, play effectively transmission load action, are rapidly developed in recent years, are
One of building material product being widely popularized at present.
Containing various addition compositions such as water reducer, swelling agent, early strength agent, water-loss reducers in strength cement-based grouting material composition, use
During inevitably there are problems that bubble is difficult, during mix, can also suck a certain amount of gas, if
These bubbles can not be discharged in time, will result in mortar surface voids and pits, internal porosity increase, intensity decline, to material
Outward appearance and performance produce certain negative effect.Therefore, defoamer is as important composition essential in strength cement-based grouting material
Partly.
The species of defoamer is various, typically based on liquid, in recent years, and the need for adapting to different purposes, solid defoaming agent
Also begin to continue to bring out.
Above solid defoaming agent product is applied to the various industries such as weaving, printing and dyeing, chemical industry, coating, agricultural chemicals, cleaning, medicine,
But it has certain distance far apart with the use requirement of strength cement-based grouting material.
The content of the invention
The present invention is intended to provide a kind of special solid defoaming agent product of strength cement-based grouting material, overcomes existing solid defoaming agent
Limitation, and strong basicity resisting and the not strong defect of the stability of antidamping, research is sent as an envoy to, and it is more suitable for cement concrete
Alkaline system.
Defoamer as cement-based grout feed additives an important composition partly, not only in froth breaking link meet alkalescence
It is relatively strong, and alkaline environment is also chronically in storage process, therefore in order to solve the above-mentioned technical problem, the present invention is from alkaline-resisting
Performance is strong, and antifoam performance is good under basic conditions, and the solid kind product that the slower active ingredient of antifoam performance decay is decayed slower
Product.
The invention provides a kind of gypsum base grouting material solid defoaming agent, the defoamer is by defoamer particle and parcel
Diaphragm composition on defoamer particle, the diaphragm is soluble polymeric films.
The defoamer particle is used includes following raw material：Organic silicon modified by polyether class anti-foam product, class living
Property 20-30 parts of component and carrier 70-80 parts, a diameter of 0.1-0.5mm of the defoamer particle.
Further, the raw material of the organic silicon modified by polyether active component includes reactant, catalyst, white carbon and breast
Agent,
The reactant is silicon oil of low hydrogen content and polyethers, and the mass ratio of the silicon oil of low hydrogen content and polyethers is 10-20:1；
The mass percent that the catalyst accounts for reactant is 0.1-0.3%；
The mass percent that the white carbon accounts for reactant is 2-5%；
The mass percent that the emulsifying agent accounts for reactant is 1-3%.
Further, the silicon oil of low hydrogen content is dimethicone, and the polyethers is that molecular weight is the polynary of 2000-3000
Alcohol polyoxyethylene poly-oxygen propylene aether.
Further, the catalyst is trifluoroacetic acid or platinum；
The emulsifying agent be carried out by sorbitan fatty acid ester, polysorbate and APES it is compound
The compound emulsifying agent for arriving；
The carrier is in carbonate, sulfate, phosphate, starch, diatomite, bentonite, attapulgite and talcum powder
One or more.
Especially, it is present invention also offers a kind of gypsum base grouting material preparation method of solid defoaming agent including following
Step：
S1, silicon oil of low hydrogen content and polyethers are according to 10-20:1 mass ratio carries out polymerisation under catalyst action, is obtained
Polyether grafting silicone oil；
S2, in the polyether grafting silicone oil white carbon is added, and be stirred and obtain silica gel；
S3, emulsified using compound emulsifying agent, and carried out shear agitation and organic silicon modified by polyether active component is obtained；
S4, take weight portion be 20-30 parts organic silicon modified by polyether active component and weight portion 70-80 parts of carrier carry out
Mix and granulate, defoamer solid particle is obtained.
Further, the condition of polymerisation is in the step S1：3-6h is reacted at 100-200 DEG C.
Further, the temperature of shear agitation is 60-80 DEG C in the step S3.
Gypsum base grouting material solid defoaming agent and preparation method thereof of the invention, has the advantages that：The present invention
Defoamer overcome existing solid defoaming agent class bad adaptability, coexisted with cement bonded sand material compound for a long time in storage process, it is living
Sexual element decay defect faster, bin stability can be greatly improved.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
The accompanying drawing to be used needed for having technology description is briefly described, it should be apparent that, drawings in the following description are only this
Some embodiments of invention, for those of ordinary skill in the art, on the premise of not paying creative work, can be with
Other accompanying drawings are obtained according to these accompanying drawings.
Fig. 1 is the flow chart of the preparation method of gypsum base grouting material solid defoaming agent of the present invention.
Specific embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation is described, it is clear that described embodiment is only a part of embodiment of the invention, rather than whole embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art obtained on the premise of creative work is not made it is all its
His embodiment, belongs to the scope of protection of the invention.
Embodiment one：
The invention provides a kind of gypsum base grouting material solid defoaming agent, the defoamer is by defoamer particle and parcel
Diaphragm composition on defoamer particle, the diaphragm is soluble polymeric films.
The defoamer particle is used includes following raw material：Organic silicon modified by polyether class anti-foam product, class living
Property 20 parts of component and 80 parts of carrier, a diameter of 0.1-0.2mm of the defoamer particle.
Wherein, the raw material of the organic silicon modified by polyether active component includes reactant, catalyst, white carbon and emulsification
Agent, the reactant is silicon oil of low hydrogen content and polyethers, and the silicon oil of low hydrogen content is dimethicone, and the polyethers is for molecular weight
The mass ratio of the polyalcohol polyoxyethylene poly-oxygen propylene aether of 2000-2300, the silicon oil of low hydrogen content and polyethers is 10:1；It is described to urge
Agent is trifluoroacetic acid, and it is 0.1% to account for the mass percent of reactant；The mass percent that the white carbon accounts for reactant is
2%；The emulsifying agent is combined by sorbitan fatty acid ester, polysorbate and APES
Compound emulsifying agent, and it is 1% to account for the mass percent of reactant, the carrier is carbonate.
Especially, it is present invention also offers a kind of gypsum base grouting material preparation method of solid defoaming agent including following
Step：
S1, by dimethicone and polyethers according to 10:1 mass ratio is in the presence of catalyst trifluoroacetic acid through 100 DEG C
Lower reaction 6 hours, obtains polyethers and connects skill organosilicon polymer, and the mass percent that the trifluoroacetic acid accounts for reactant is 0.1%；
S2, continue to 100 DEG C of high temperature, the mass percent that addition accounts for reactant be 2% the water-white Tan of Shu , stirring 2
Hour, it is made silica gel；
S3, it is cooled to 60 degree, compound emulsifying agent is added dropwise, 60 degree of maintenance reaction temperature is stirred 3 hours, obtains polyether-modified
Silicone active component；
S4,200 grams of cancellation infusion active constituent, 800 grams of carrier is sufficiently stirred for mediating 30 minutes in a mixer, by making
Grain machine, is made the particulate material of a diameter of 0.1-0.2mm, and carrier is carbonate.
The condition of polymerisation is in the step S1：6h is reacted at 100 DEG C.
The temperature of shear agitation is 80 DEG C in the step S3.
Embodiment two：
The invention provides a kind of gypsum base grouting material solid defoaming agent, the defoamer is by defoamer particle and parcel
Diaphragm composition on defoamer particle, the diaphragm is soluble polymeric films.
The defoamer particle is used includes following raw material：Organic silicon modified by polyether class anti-foam product, class living
Property 25 parts of component and 75 parts of carrier, a diameter of 0.2-0.4mm of the defoamer particle.
Wherein, the raw material of the organic silicon modified by polyether active component includes reactant, catalyst, white carbon and emulsification
Agent, the reactant is silicon oil of low hydrogen content and polyethers, and the silicon oil of low hydrogen content is dimethicone, and the polyethers is for molecular weight
The mass ratio of the polyalcohol polyoxyethylene poly-oxygen propylene aether of 2300-2600, the silicon oil of low hydrogen content and polyethers is 15:1；It is described to urge
Agent is platinum, and it is 0.2% to account for the mass percent of reactant；The mass percent that the white carbon accounts for reactant is 4%；Institute
It is to carry out the compound Composite Milk for obtaining by sorbitan fatty acid ester, polysorbate and APES to state emulsifying agent
Agent, and it is 2% to account for the mass percent of reactant, the carrier is phosphate and diatomaceous mixture.
Especially, it is present invention also offers a kind of gypsum base grouting material preparation method of solid defoaming agent including following
Step：
S1, by dimethicone and polyethers according to 15:1 mass ratio in the presence of catalyst platinum through 150 DEG C at react 4
Hour, obtaining polyethers and connect skill organosilicon polymer, the mass percent that the catalyst platinum accounts for reactant is 0.2%；
S2, continue to 150 DEG C of high temperature, the mass percent that addition accounts for reactant be 4% the water-white Tan of Shu , stirring
2.5 hours, it is made silica gel；
S3, it is cooled to 70 degree, compound emulsifying agent is added dropwise, 70 degree of maintenance reaction temperature stirs 2.5 hours, obtains polyethers and change
Property silicone active component；
S4,250 grams of cancellation infusion active constituent, 750 grams of carrier is sufficiently stirred for mediating 40 minutes in a mixer, by making
Grain machine, is made the particulate material of a diameter of 0.2-0.4mm, and carrier is phosphate and diatomaceous mixture.
The condition of polymerisation is in the step S1：3h is reacted at 200 DEG C.
The temperature of shear agitation is 60 DEG C in the step S3.
Embodiment three：
The invention provides a kind of gypsum base grouting material solid defoaming agent, the defoamer is by defoamer particle and parcel
Diaphragm composition on defoamer particle, the diaphragm is soluble polymeric films.
The defoamer particle is used includes following raw material：Organic silicon modified by polyether class anti-foam product, class living
Property 30 parts of component and 70 parts of carrier, a diameter of 0.4-0.5mm of the defoamer particle.
Wherein, the raw material of the organic silicon modified by polyether active component includes reactant, catalyst, white carbon and emulsification
Agent, the reactant is silicon oil of low hydrogen content and polyethers, and the silicon oil of low hydrogen content is dimethicone, and the polyethers is for molecular weight
The mass ratio of the polyalcohol polyoxyethylene poly-oxygen propylene aether of 2600-3000, the silicon oil of low hydrogen content and polyethers is 20:1；It is described to urge
Agent is platinum, and it is 0.3% to account for the mass percent of reactant；The mass percent that the white carbon accounts for reactant is 5%；Institute
It is to carry out the compound Composite Milk for obtaining by sorbitan fatty acid ester, polysorbate and APES to state emulsifying agent
Agent, and it is 3% to account for the mass percent of reactant, the carrier is phosphate and diatomaceous mixture.
Especially, it is present invention also offers a kind of gypsum base grouting material preparation method of solid defoaming agent including following
Step：
S1, by dimethicone and polyethers according to 20:1 mass ratio in the presence of catalyst platinum through 200 DEG C at react 3
Hour, obtaining polyethers and connect skill organosilicon polymer, the mass percent that the catalyst platinum accounts for reactant is 0.3%；
S2, continue to 200 DEG C of high temperature, the mass percent that addition accounts for reactant be 5% the water-white Tan of Shu , stirring 3
Hour, it is made silica gel；
S3, it is cooled to 80 degree, compound emulsifying agent is added dropwise, 80 degree of maintenance reaction temperature is stirred 2 hours, obtains polyether-modified
Silicone active component；
S4,300 grams of cancellation infusion active constituent, 700 grams of carrier is sufficiently stirred for mediating 35 minutes in a mixer, by making
Grain machine, is made the particulate material of a diameter of 0.4-0.5mm, and carrier is phosphate and diatomaceous mixture.
The condition of polymerisation is in the step S1：5h is reacted at 150 DEG C.
The temperature of shear agitation is 70 DEG C in the step S3.
Gypsum base grouting material solid defoaming agent and preparation method thereof of the invention, has the advantages that：
Defoamer of the invention overcomes existing solid defoaming agent class bad adaptability, in storage process for a long time with cement bonded sand material
Compound is coexisted, and active ingredient decay defect faster, bin stability can be greatly improved.
The above is the preferred embodiment of the present invention, it is noted that for those skilled in the art
For, under the premise without departing from the principles of the invention, some improvements and modifications can also be made, these improvements and modifications are also considered as
Protection scope of the present invention.
Claims (8)
1. a kind of gypsum base grouting material solid defoaming agent, the defoamer is by defoamer particle and is wrapped on defoamer particle
Diaphragm composition, the diaphragm be soluble polymeric films；
The defoamer particle is used includes following raw material：Organic silicon modified by polyether class anti-foam product, class group living
Divide 20-30 parts and carrier 70-80 parts, a diameter of 0.1-0.5mm of the defoamer particle.
2. gypsum base grouting material solid defoaming agent according to claim 1, it is characterised in that described polyether-modified organic
The raw material of silicon active component includes reactant, catalyst, white carbon and emulsifying agent.
3. gypsum base grouting material solid defoaming agent according to claim 2, it is characterised in that the reactant contains for low
The mass ratio of hydrogen silicone oil and polyethers, the silicon oil of low hydrogen content and polyethers is 10-20:1.
4. the gypsum base grouting material solid defoaming agent according to Claims 2 or 3, it is characterised in that the catalyst is accounted for
The mass percent of reactant is 0.1-0.3%；
The mass percent that the white carbon accounts for reactant is 2-5%；
The mass percent that the emulsifying agent accounts for reactant is 1-3%.
5. gypsum base grouting material solid defoaming agent according to claim 4, it is characterised in that the silicon oil of low hydrogen content is
Dimethicone, the polyethers is that molecular weight is the polyalcohol polyoxyethylene poly-oxygen propylene aether of 2000-3000；
The catalyst is trifluoroacetic acid or platinum；
The emulsifying agent is combined by sorbitan fatty acid ester, polysorbate and APES
Compound emulsifying agent；
The carrier is in carbonate, sulfate, phosphate, starch, diatomite, bentonite, attapulgite and talcum powder
Plant or various.
6. a kind of gypsum base grouting material preparation method of solid defoaming agent, it is characterised in that comprise the following steps：
S1, silicon oil of low hydrogen content and polyethers are according to 10-20:1 mass ratio carries out polymerisation under catalyst action, and polyethers is obtained
Grafting silicone oil；
S2, in the polyether grafting silicone oil white carbon is added, and be stirred and obtain silica gel；
S3, emulsified using compound emulsifying agent, and carried out shear agitation and organic silicon modified by polyether active component is obtained；
S4, take weight portion be 20-30 parts organic silicon modified by polyether active component and weight portion 70-80 parts of carrier mixed
And granulate, defoamer solid particle is obtained.
7. the gypsum base grouting material according to claim 6 preparation method of solid defoaming agent, it is characterised in that the step
The condition of polymerisation is in rapid S1：3-6h is reacted at 100-200 DEG C.
8. the gypsum base grouting material according to claim 7 preparation method of solid defoaming agent, it is characterised in that the step
The temperature of shear agitation is 60-80 DEG C in rapid S3.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611056491.7A CN106746889A (en) | 2016-11-25 | 2016-11-25 | A kind of gypsum base grouting material solid defoaming agent and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201611056491.7A CN106746889A (en) | 2016-11-25 | 2016-11-25 | A kind of gypsum base grouting material solid defoaming agent and preparation method thereof |
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ID=58912571
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|---|---|---|---|
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108929084A (en) * | 2018-08-03 | 2018-12-04 | 上海住信住宅工业有限公司 | Reinforcing bar sleeve for connection grouting material |
| CN114315218A (en) * | 2022-01-12 | 2022-04-12 | 徐州虚竹建材科技有限公司 | Method for preparing lightweight plastering gypsum defoaming agent |
| WO2022233017A1 (en) | 2021-05-07 | 2022-11-10 | Wacker Chemie Ag | Organopolysiloxanes, compositions and powder formulations containing the same and uses thereof as a defoamer |
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| CN107512863A (en) * | 2016-06-16 | 2017-12-26 | 苏州市兴邦化学建材有限公司 | A kind of solid defoaming agent and preparation method thereof of strength cement-based grouting material |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108929084A (en) * | 2018-08-03 | 2018-12-04 | 上海住信住宅工业有限公司 | Reinforcing bar sleeve for connection grouting material |
| WO2022233017A1 (en) | 2021-05-07 | 2022-11-10 | Wacker Chemie Ag | Organopolysiloxanes, compositions and powder formulations containing the same and uses thereof as a defoamer |
| CN114315218A (en) * | 2022-01-12 | 2022-04-12 | 徐州虚竹建材科技有限公司 | Method for preparing lightweight plastering gypsum defoaming agent |
| CN114315218B (en) * | 2022-01-12 | 2023-02-28 | 徐州虚竹建材科技有限公司 | Preparation method of lightweight plastering gypsum defoaming agent |
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Application publication date: 20170531 |