CN109251580A - A kind of anti-settling thickener of external wall water paint and its preparation process - Google Patents
A kind of anti-settling thickener of external wall water paint and its preparation process Download PDFInfo
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- CN109251580A CN109251580A CN201811036222.3A CN201811036222A CN109251580A CN 109251580 A CN109251580 A CN 109251580A CN 201811036222 A CN201811036222 A CN 201811036222A CN 109251580 A CN109251580 A CN 109251580A
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- Prior art keywords
- parts
- external wall
- water paint
- wall water
- settling
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Classifications
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/43—Thickening agents
- C09D7/44—Combinations of two or more thickening agents
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
- C09D5/08—Anti-corrosive paints
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/45—Anti-settling agents
Landscapes
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Wood Science & Technology (AREA)
- Organic Chemistry (AREA)
- Paints Or Removers (AREA)
Abstract
The invention discloses a kind of anti-settling thickener of external wall water paint and its preparation processes, belong to kind of a building coating field, and the technical problem to be solved in the present invention is how to provide a kind of good corrosion resistance, the demand of the anti-settling thickener of anti-settling thickening.Technical solution are as follows: including following percentage raw material: 10-15 parts of polyvinyl alcohol resin, silicon tetrachloride 25-30,10-15 parts of ethyl acetate, 5-10 parts of water tight packing, 10-15 parts of chlorinated paraffin, 3-5 parts of antioxidant, 5-10 parts of dispersing agent, 5-10 parts of polyethylene glycol, 5-10 parts of polyacrylic acid, 1-2 parts of mould inhibitor, 5-10 parts of talcum powder.The features such as the utility model has the advantages that having good corrosion resistance, anti-settling thickening effect is good, environmentally protective.
Description
Technical field
The present invention relates to building coating technical fields, it particularly relates to a kind of anti-settling thickening of external wall water paint
Agent and its preparation process.
Background technique
The patent document of Patent No. CN104194529B discloses a kind of exterior coating for building, solves exterior wall
Water-resistant coating and the problem that alkali resistance is poor, drying time is long.But existing exterior coating particle is larger, sprays in long-time
It applies in work, the coating of configuration still can settle, and lamination occur, lead to density unevenness up and down, if construction technology
It is not up to standard to there is also sagging phenomenon, the serious beauty for affecting exterior wall.
In conclusion how to provide a kind of good corrosion resistance, the anti-settling thickener of anti-settling thickening is current urgent need solution
Certainly the technical issues of.
Summary of the invention
Technical assignment of the invention be against the above deficiency, provide a kind of anti-settling thickener of external wall water paint and its
Preparation process, to solve the problem of how to provide a kind of anti-settling thickener of anti-settling thickening of good corrosion resistance.
The technical solution adopted by the present invention to solve the technical problems is: a kind of anti-settling thickening of external wall water paint
Agent, including following percentage raw material: 10-15 parts of polyvinyl alcohol resin, silicon tetrachloride 25-30,10-15 parts of ethyl acetate, waterproof
5-10 parts of filler, 10-15 parts of chlorinated paraffin, 3-5 parts of antioxidant, 5-10 parts of dispersing agent, 5-10 parts of polyethylene glycol, polyacrylic acid
5-10 parts, 1-2 parts of mould inhibitor, 5-10 parts of talcum powder.
Preferably, the water tight packing includes following material component: antifreeze, water-reducing agent, functional stuffing.
Preferably, pentaerythritol ester can be used in the antioxidant.
Preferably, the mould inhibitor includes following material component: quaternary ammonium salt derivative, Kathon CG, surfactant, synergy
Agent.
Preferably, the silica can also use ocratation or methyl trichlorosilicane.
According to another aspect of the present invention, a kind of preparation work of anti-settling thickener of external wall water paint is additionally provided
Skill, the preparation for the anti-settling thickener of external wall water paint, comprising the following steps:
Silica is prepared, first sending the silicon tetrachloride raw material to rectifying column rectifying for appropriate components, in evaporator
Heating evaporation, and using drying, filtered air as carrier, it send to synthesis and hydrolyzes furnace;Again by air and hydrogen respectively by adding
Synthesis hydrolysis furnace is sent into after pressure, separation, cooled dehydrated, silica dehydrator, dust removal and filtration, by combustion method, so that four chlorination
Silicon gasifies at high temperature carries out vapor phase hydrolysis, and the fumed silica particle of generation is superfine, then passes through collector and cyclonic separation
Device is collected;
Polyacrylic acid is added in depickling, through deacidification furnace, by when with nitrogenous air blowing silica to pH value be 4-6;
Surface treatment, by will add the organic matters such as polyethylene glycol, polyvinyl alcohol resin and ethyl acetate be passed through in reaction kettle and
By the silicon dioxde reaction of purging in reaction kettle, meteorological silica surface hydroxyl quantity is reduced;
Meteorological silica is separated again by separator, while adding antioxygen in the meteorological silica isolated
Agent carries out concussion stirring by shaking blender;
Chlorinated paraffin, dispersing agent, mould inhibitor, mould inhibitor, talcum powder, water tight packing are added into the meteorological silica being stirred
In, concussion stirring.
Preferably, reaction temperature of the silicon tetrachloride in synthesis hydrolysis furnace is 1700 DEG C -1900 DEG C.
Preferably, the silicon tetrachloride, when reacting with the hydrogen, the silicon tetrachloride gasifies,
The temperature of gasification is 1000 DEG C -1800 DEG C.
Preferably, the time that the concussion blender carries out concussion stirring is greater than 30min every time, it is every to add a kind of object more
Material, mixing time extends 5min, and carries out at normal temperature.
Wherein, raw material of the present invention is described below:
Polyvinyl alcohol resin: raw material is white solid, external form point cotton-shaped, graininess, three kinds of powdery;It is non-toxic and tasteless, pollution-free, it can
It is dissolved in 80--90 DEG C of water.Its aqueous solution has good cementability and film forming;It is resistant to oils, lubricant and hydro carbons etc. mostly
Number organic solvent;With the chemical property such as long-chain polyhydric alcohol esterification, etherificate, acetalation.It is mainly used for inside and outside building decoration industry
Wall coating, adhesive.
Silicon tetrachloride: raw material is colourless transparent liquid, nontoxic, and the slightly lower presentation of purity is micro- yellow or faint yellow, has and stops up
Breath property smell.It is used to prepare the primary raw material of fumed silica.
Ethyl acetate: for raw material to be colourless transparent liquid, hypotoxicity is pleasantly sweet.With excellent dissolubility, quick-drying,
It is widely used, it is widely used in the production process of coating and paint etc..
Water tight packing: it is made of antifreeze, water-reducing agent, functional stuffing.
Chlorinated paraffin: the chlorinated derivatives of paraffin hydrocarbon have that low volatility, fire-retardant, electrical insulating property is good, inexpensive etc. excellent
Point, can be used as fire retardant.It is widely used in the additive of coating.
Antioxidant: raw material can prevent oxygen from generating dysgenic substance.It is that one kind can help to capture and neutralize certainly
By base, have the function that oxidation resistant retention property is stable.
Dispersing agent: the more succimide class ashless additives of polyisobutene have preferable dispersibility and excellent high temperature
Stability.
Polyethylene glycol: product is nontoxic, nonirritant, mildly bitter flavor, have good water solubility, and with many organic matter components
There is good intermiscibility.They have excellent lubricity, moisture retention, dispersibility, bonding agent, antistatic agent and softening agent etc.,
There is extremely wide application in paint industry.
Polyacrylic acid: also known as emulsion acrylic resin, molecular formula is (C3H4O2) n, for preparing finishing agent, producing propylene
Acid resin paint class etc. is a kind of chemical intermediate.
Mould inhibitor: it is configured by quaternary ammonium salt derivative, Kathon CG, surfactant, synergist.
Talcum powder: strengthen modification filler for painting.With the stabilization for increasing shape of product, increases tensile strength, cut
Shearing stress, flexing intensity, the intensity of pressure are reduced and are deformed, extension rate, thermal expansion coefficient, and whiteness is high, epigranular dispersibility is strong etc.
Feature.
Compared to the prior art the anti-settling thickener of a kind of external wall water paint of the invention and its preparation process, have
Below the utility model has the advantages that
1, silica is in the preparation through rectifying, evaporation, dry filter and gasification process, so that the product purity of synthesis is very high,
While the by-product generated during preparation is such as: methyl trichlorosilicane is also can be recycled, more environmentally protective.
2, the surface of meteorological silica is handled, reduces meteorological silica surface hydroxyl quantity, improve its with
The compatibility and dispersibility of organic matter.
3, generally transparent configuration does not influence changing colour for coating, while fine to the compatibility of pigment yet.
4, mould inhibitor, talcum powder, chlorinated paraffin, antioxidant etc. substantially increase the internal corrosion of exterior wall, acid-proof, alkali prevention
Ability is more preferable.
5, with the compatibility of the coating of bulky grain and more preferable, anti-precipitating and thickening effect are more preferable.
The features such as present invention has good corrosion resistance, and anti-settling thickening effect is good, environmentally protective, thus, have and pushes away well
Wide use value.
Detailed description of the invention
It in order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, below will be to institute in embodiment
Attached drawing to be used is needed to be briefly described, it should be apparent that, the accompanying drawings in the following description is only some implementations of the invention
Example, for those of ordinary skill in the art, without creative efforts, can also obtain according to these attached drawings
Obtain other attached drawings.
Fig. 1 is a kind of preparation process flow of anti-settling thickener of external wall water paint according to an embodiment of the present invention
Figure.
Specific embodiment
The present invention will be further explained below with reference to the attached drawings and specific examples.
According to one aspect of the embodiment of the invention, providing a kind of anti-settling thickener of external wall water paint, wrap
Include following percentage raw material:
10-15 parts of polyvinyl alcohol resin, silicon tetrachloride 25-30,10-15 parts of ethyl acetate, 5-10 parts of water tight packing, chlorinated paraffin
10-15 parts, 3-5 parts of antioxidant, 5-10 parts of dispersing agent, 5-10 parts of polyethylene glycol, 5-10 parts of polyacrylic acid, 1-2 parts of mould inhibitor,
5-10 parts of talcum powder.
Wherein, water tight packing is made using antifreeze, water-reducing agent and functional stuffing by certain proportion, specific ratio are as follows:
Antifreeze 30%, water-reducing agent 40% and functional stuffing 30%.Pentaerythritol ester can be used in antioxidant.Mould inhibitor can pass through season
Ammonium salt derivatives, Kathon CG, surfactant, synergist are made, specific ratio are as follows: quaternary ammonium salt derivative 30%, Kathon CG 25%, table
Face activating agent 20%, synergist 250%.Wherein silica can also add or by ocratation or methyl trichlorosilicane
Instead of.
The other side of embodiment according to the present invention additionally provides a kind of anti-settling thickening of external wall water paint
The preparation process of agent, the preparation for the anti-settling thickener of external wall water paint, comprising the following steps:
Step S101 prepares silica, first sending the silicon tetrachloride raw material to rectifying column rectifying for appropriate components,
Heating evaporation in evaporator, and using drying, filtered air as carrier, it send to synthesis and hydrolyzes furnace;Again by air and hydrogen point
It is not overpressurized, separated, being sent into synthesis hydrolysis furnace after cooled dehydrated, silica dehydrator, dust removal and filtration, by combustion method, so that institute
State silicon tetrachloride and gasify at high temperature and carry out vapor phase hydrolysis, the fumed silica particle of generation is superfine, then by collector and
Cyclone collection;
Polyacrylic acid is added in step S103, depickling, through deacidification furnace, by when with nitrogenous air blowing silica to pH value be
4-6;
Step S105, surface treatment, is passed through instead by that will add the organic matters such as polyethylene glycol, polyvinyl alcohol resin and ethyl acetate
Answer in kettle with, by the silicon dioxde reaction of purging, reduce meteorological silica surface hydroxyl quantity in reaction kettle;
Step S107 separates meteorological silica again by separator, while in the meteorological silica isolated
Middle addition antioxidant carries out concussion stirring by shaking blender;
Chlorinated paraffin, dispersing agent, mould inhibitor, mould inhibitor, talcum powder, water tight packing are added into the gas being stirred by step S109
As in silica, concussion is stirred.
Wherein, silicon tetrachloride needs to gasify before the reaction, and the flame temperature of gasification is controlled at 1000 DEG C -1800 DEG C, until
Gasification is 1700 DEG C -1900 DEG C into the reaction temperature in synthesis hydrolysis furnace completely.
The addition of subsequent material need to carry out at normal temperature, and the time that concussion blender carries out concussion stirring is greater than every time
30min, per a kind of material is added, the time of the secondary stirring extends 5min more, can not fulfil stirring ahead of schedule.
The technical personnel in the technical field can readily realize the present invention with the above specific embodiments,.But it answers
Work as understanding, the present invention is not limited to above-mentioned specific embodiments.On the basis of the disclosed embodiments, the technical field
Technical staff can arbitrarily combine different technical features, to realize different technical solutions.
Except for the technical features described in the specification, it all is technically known to those skilled in the art.
Claims (9)
1. a kind of anti-settling thickener of external wall water paint, which is characterized in that including following percentage raw material:
10-15 parts of polyvinyl alcohol resin, silicon tetrachloride 25-30,10-15 parts of ethyl acetate, 5-10 parts of water tight packing, chlorinated paraffin
10-15 parts, 3-5 parts of antioxidant, 5-10 parts of dispersing agent, 5-10 parts of polyethylene glycol, 5-10 parts of polyacrylic acid, 1-2 parts of mould inhibitor,
5-10 parts of talcum powder.
2. a kind of anti-settling thickener of external wall water paint according to claim 1, it is characterised in that: the waterproof is filled out
Material includes following material component: antifreeze, water-reducing agent, functional stuffing.
3. a kind of anti-settling thickener of external wall water paint according to claim 2, it is characterised in that: described anti-oxidant
Pentaerythritol ester can be used in agent.
4. a kind of anti-settling thickener of external wall water paint according to claim 3, it is characterised in that: the mould inhibitor
Including following material component: quaternary ammonium salt derivative, Kathon CG, surfactant, synergist.
5. a kind of anti-settling thickener of external wall water paint according to claim 1, it is characterised in that: the titanium dioxide
Silicon can also use ocratation or methyl trichlorosilicane.
6. a kind of preparation process of the anti-settling thickener of external wall water paint, which is characterized in that for described in claim 1
The preparation of the anti-settling thickener of external wall water paint, comprising the following steps:
Silica is prepared, first sending the silicon tetrachloride raw material to rectifying column rectifying for appropriate components, in evaporator
Heating evaporation, and using drying, filtered air as carrier, it send to synthesis and hydrolyzes furnace;Again by air and hydrogen respectively by adding
Synthesis hydrolysis furnace is sent into after pressure, separation, cooled dehydrated, silica dehydrator, dust removal and filtration, by combustion method, so that four chlorination
Silicon gasifies at high temperature carries out vapor phase hydrolysis, and the fumed silica particle of generation is superfine, then passes through collector and cyclonic separation
Device is collected;
Polyacrylic acid is added in depickling, through deacidification furnace, by when with nitrogenous air blowing silica to pH value be 4-6;
Surface treatment, by will add the organic matters such as polyethylene glycol, polyvinyl alcohol resin and ethyl acetate be passed through in reaction kettle and
By the silicon dioxde reaction of purging in reaction kettle, meteorological silica surface hydroxyl quantity is reduced;
Meteorological silica is separated again by separator, while adding antioxygen in the meteorological silica isolated
Agent carries out concussion stirring by shaking blender;
Chlorinated paraffin, dispersing agent, mould inhibitor, mould inhibitor, talcum powder, water tight packing are added into the meteorological silica being stirred
In, concussion stirring.
7. a kind of anti-settling thickener of external wall water paint according to claim 6 and its preparation process, feature exist
In: reaction temperature of the silicon tetrachloride in synthesis hydrolysis furnace is 1700 DEG C -1900 DEG C.
8. a kind of anti-settling thickener of external wall water paint according to claim 6 and its preparation process, feature exist
In: when reacting with the hydrogen, the silicon tetrachloride gasifies the silicon tetrachloride, and the temperature of gasification is
1000℃-1800℃。
9. a kind of anti-settling thickener of external wall water paint according to claim 6 and its preparation process, feature exist
In: the time that the concussion blender carries out concussion stirring is greater than 30min every time, and per a kind of material is added, mixing time is prolonged more
Long 5min, and carry out at normal temperature.
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110256916A (en) * | 2019-04-25 | 2019-09-20 | 苏州市超邦涂料有限公司 | Environment-friendly type building metope water anti-bacteria coating and preparation method thereof |
CN114605105A (en) * | 2022-04-19 | 2022-06-10 | 宁波新广亿建材有限公司 | Dry-mixed mortar thickening agent and preparation method thereof |
Citations (2)
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SU615080A1 (en) * | 1972-05-03 | 1978-07-15 | Институт Физической Химии Ан Украинской Сср | Method of obtaining modified organosilica |
WO1994018277A1 (en) * | 1993-02-12 | 1994-08-18 | Cabot Corporation | Surfactant modified silica |
-
2018
- 2018-09-06 CN CN201811036222.3A patent/CN109251580A/en active Pending
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
SU615080A1 (en) * | 1972-05-03 | 1978-07-15 | Институт Физической Химии Ан Украинской Сср | Method of obtaining modified organosilica |
WO1994018277A1 (en) * | 1993-02-12 | 1994-08-18 | Cabot Corporation | Surfactant modified silica |
CN1052742C (en) * | 1993-02-12 | 2000-05-24 | 卡伯特公司 | Surfactant modified silica |
Non-Patent Citations (1)
Title |
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周连江,乐志强主编: "《无机盐工业手册 下》", 30 June 1996 * |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110256916A (en) * | 2019-04-25 | 2019-09-20 | 苏州市超邦涂料有限公司 | Environment-friendly type building metope water anti-bacteria coating and preparation method thereof |
CN114605105A (en) * | 2022-04-19 | 2022-06-10 | 宁波新广亿建材有限公司 | Dry-mixed mortar thickening agent and preparation method thereof |
CN114605105B (en) * | 2022-04-19 | 2022-12-20 | 宁波新广亿建材有限公司 | Dry-mixed mortar thickening agent and preparation method thereof |
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Application publication date: 20190122 |