CN109021868A - A kind of silicone construction sealant and preparation method thereof - Google Patents
A kind of silicone construction sealant and preparation method thereof Download PDFInfo
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- CN109021868A CN109021868A CN201810652886.6A CN201810652886A CN109021868A CN 109021868 A CN109021868 A CN 109021868A CN 201810652886 A CN201810652886 A CN 201810652886A CN 109021868 A CN109021868 A CN 109021868A
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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
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J125/00—Adhesives based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by an aromatic carbocyclic ring; Adhesives based on derivatives of such polymers
- C09J125/02—Homopolymers or copolymers of hydrocarbons
- C09J125/04—Homopolymers or copolymers of styrene
- C09J125/08—Copolymers of styrene
- C09J125/14—Copolymers of styrene with unsaturated esters
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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
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J11/00—Features of adhesives not provided for in group C09J9/00, e.g. additives
- C09J11/02—Non-macromolecular additives
- C09J11/04—Non-macromolecular additives inorganic
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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
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J11/00—Features of adhesives not provided for in group C09J9/00, e.g. additives
- C09J11/02—Non-macromolecular additives
- C09J11/06—Non-macromolecular additives organic
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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
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K3/00—Materials not provided for elsewhere
- C09K3/10—Materials in mouldable or extrudable form for sealing or packing joints or covers
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/02—Elements
- C08K2003/023—Silicon
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K2201/00—Specific properties of additives
- C08K2201/011—Nanostructured additives
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/08—Stabilised against heat, light or radiation or oxydation
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- Inorganic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Sealing Material Composition (AREA)
Abstract
The invention discloses a kind of silicone construction sealant and preparation method thereof, which includes following raw material: 50-150 parts of styrene-acrylic emulsion, 1-10 parts of filler, 5-20 parts of coupling agent, 0.5-10 parts of defoaming agent, 0.5-10 parts of plasticizer.In the modified aqueous phenylpropyl alcohol silicone structure sealant of nano-silicon in conventional mechanical property, the drawing mind intensity of glue film and elongation at break etc. are improved, and phenylpropyl alcohol silicone construction sealant of the invention has the performances such as preferable temperature tolerance, weatherability, corrosion resistance, water resistance and uvioresistant.
Description
Technical field
The present invention relates to building sealant preparation field, especially a kind of silicone construction sealant and preparation method thereof.
Background technique
Sealant for building is indispensable important auxiliary material in construction industry, in installing construction and decoration dress
In semi-annular jade pendant engineering, is used for the bound fraction of various parts and the filling of seam and embody the functions such as watertight, airtight.In order to adapt to
The effect of outside environmental elements, expands with heat and contract with cold and is bent as caused by temperature change, and concrete construction and metal framework structure exist
All design has expansion joint when building.Variator is the weak link of concrete construction, first is that variator due to by wind-force,
The effect of shake, temperature and humidity variation etc. generates deformation；Second is that being easy infiltration in seam, construction material is corroded, it is therefore necessary to right
Variator is sealed.
Styrene-acrylic emulsion takes water as a solvent, and has dried coating film under the environmental-friendly characteristic and room temperature such as nontoxic, pollution-free
Fastly, very popular in fields such as building, coating, adhesives the advantages that easy construction.But since waterborne styrene-acrylic emulsion is water-fast
Property, weatherability, durability, temperature tolerance etc. have the defects that certain, limit its application.
With the enhancing of the green and healthy environmental consciousness of people, national governments have put into effect increasingly strict environmental regulation in succession,
Stringent restriction is made that the discharge amount of volatile organic matter VOC in industrial goods, the joint sealers being commonly used
Mainly there are pitch, prefabricated neoprene, polysulfide sealant and polyurethane material etc., these materials are due to durability, elasticity, water-fast
Property and whole caking property it is poor, the good sealing effect to building joint can not be played, to influence the use of building
Service life.
For this purpose, how to develop it is a nontoxic, pollution-free etc. environmentally friendly, but also with good water resistance, weatherability, durable
Property, durothermic building sealant be urgent problem to be solved.
Summary of the invention
The purpose of the present invention is intended to provide a kind of silicone construction sealant, and the drawing mind of glue film is strong in the silicone construction sealant
Degree and elongation at break etc. are improved, and the property such as temperature tolerance, weatherability, corrosion resistance, water resistance and uvioresistant
Can it be improved well.
In order to achieve the above object, it is achieved by following technical solution:
A kind of silicone construction sealant includes following raw material: 50-150 parts of styrene-acrylic emulsion, 1-10 parts of filler, even
Agent 5-20 parts, 0.5-10 parts of defoaming agent, 0.5-10 parts of plasticizer of connection.
Preferably, the silicone construction sealant includes following raw material: 60-120 parts of styrene-acrylic emulsion, filler 3-6
Part, 6-15 parts of coupling agent, 1-6 parts of defoaming agent, 2-5 parts of plasticizer.
Preferably, the silicone construction sealant includes following raw material: 80-100 parts of styrene-acrylic emulsion, filler
3.0-4 parts, 8-10 parts of coupling agent, 2.5-3 parts of defoaming agent, 2.5-3 parts of plasticizer.
Preferably, the silicone construction sealant, the filler are nano-silicon；
Preferably, the dosage of nano-silicon is raw material gross weight 4%；
Preferably, the coupling agent is N- aminoethyl -3- aminopropyltriethoxy dimethoxysilane；
Preferably, the defoaming agent is dioctyl phthalate；
Preferably, the plasticizer is tributyl phosphate.
The preparation method of silicone construction sealant as described above, includes following preparation step:
(1) weight powder the following raw material: styrene-acrylic emulsion, filler, coupling agent, defoaming agent, plasticizer is weighed；
(2) styrene-acrylic emulsion and filler are added in there-necked flask, in 25-30 DEG C of stirring 20-60min at room temperature, keep filler complete
It is scattered in styrene-acrylic emulsion entirely, obtains mixture 1；
(3) coupling agent is added into step 2 gained mixture 1,20-60min is stirred at a temperature of 55-65 DEG C, it is cooling
To 25 ± 2 DEG C, mixture 2 is obtained；
(4) to defoaming agent and plasticizer will be added in mixture 2 described in step (3), 20-60min is stirred, with hydrochloric acid tune
PH6-7 to get.
Preferably, the stirring in step (2), mixing speed 250-350rmp；Stirring described in step (3),
Mixing speed is 250-350rmp；Stirring described in step (4), mixing speed 250-300rmp.
Preferably, the stirring in step (2), mixing speed 300rmp；
Preferably, stirring described in step (3), mixing speed 270rmp；
Preferably, stirring described in step (4), mixing speed 270rmp.
Preferably, the filler is nano-silicon；
Preferably, the coupling agent is N- aminoethyl -3- aminopropyltriethoxy dimethoxysilane；
Preferably, the defoaming agent is dioctyl phthalate；
Preferably, the plasticizer is tributyl phosphate.
Preferably, temperature described in step (2) is 28 DEG C；Temperature described in step (3) is 60 DEG C.
Preferably, PH described in step (4) is 6.5.
The present invention is modified with organic by two methods of physical blending and chemical graft jointly using nano-silicon, no unit
Divide and combined and forming intermolecular chemical bond and electrostatic interaction with organic component, the two performance complement can be significantly
The performance for improving lotion various aspects, widens its application field.The modified aqueous phenylpropyl alcohol silicone structure sealant of nano-silicon is normal
The mechanical property of rule, if the drawing mind intensity of glue film and elongation at break etc. are improved, in addition, the building sealing of phenylpropyl alcohol silicone
The performances such as temperature tolerance, weatherability, corrosion resistance, water resistance and the uvioresistant of glue are preferably improved.
Detailed description of the invention
Below in conjunction with the specific embodiment in attached drawing, invention is further described in detail, but does not constitute to the present invention
Any restrictions.
Fig. 1 is infrared spectrogram before modified；
Fig. 2 is infrared spectrogram before modified；
Fig. 3 is modifying cinepazid emulsion SEM figure；
Fig. 4 is modifying cinepazid emulsion SEM figure；
Fig. 5 is that the DSC of styrene-acrylic emulsion schemes；
Fig. 6 is the DSC figure of the styrene-acrylic emulsion of nanometer Si modification.
Specific embodiment
Embodiment 1, a kind of preparation of silicone construction sealant
A kind of preparation of silicone construction sealant includes following preparation step:
(1) it weighs following raw material: 50 parts of styrene-acrylic emulsion, 1 part of filler, 5 parts of coupling agent, 0.5 part of defoaming agent, being plasticized
0.5 part of agent.
(2) styrene-acrylic emulsion and filler are added in there-necked flask, at a temperature of 25 DEG C, stir 20min with 250rmp speed, make
Filler is fully dispersed in styrene-acrylic emulsion, obtains mixture 1；
(3) coupling agent is added into step 2 gained mixture 1, at a temperature of 55 DEG C, with the stirring of 250rmp speed
20min is cooled to 25 ± 2 DEG C, obtains mixture 2；
(4) to defoaming agent and plasticizer will be added in mixture 2 described in step (3), with the stirring of 250rmp speed
20min, with hydrochloric acid tune PH6 to get.
The filler is nano-silicon；The coupling agent is N- aminoethyl -3- aminopropyltriethoxy dimethoxysilane；It is described to disappear
Infusion is dioctyl phthalate；The plasticizer is tributyl phosphate.
Embodiment 2, a kind of preparation of silicone construction sealant
A kind of preparation of silicone construction sealant includes following preparation step:
(1) it weighs following raw material: 82 parts of styrene-acrylic emulsion, 4 parts of filler, 9 parts of coupling agent, 2.5 parts of defoaming agent, being plasticized
2.5 parts of agent.
(2) styrene-acrylic emulsion and filler are added in there-necked flask, at a temperature of 28 DEG C, stir 30min with 300rmp speed, make
Filler is fully dispersed in styrene-acrylic emulsion, obtains mixture 1；
(3) coupling agent is added into step 2 gained mixture 1, at a temperature of 60 DEG C, with the stirring of 270rmp speed
30min is cooled to 25 ± 2 DEG C, obtains mixture 2；
(4) to defoaming agent and plasticizer will be added in mixture 2 described in step (3), with the stirring of 270rmp speed
30min, with hydrochloric acid tune PH6.5 to get.
The filler is nano-silicon；The coupling agent is N- aminoethyl -3- aminopropyltriethoxy dimethoxysilane；It is described to disappear
Infusion is dioctyl phthalate；The plasticizer is tributyl phosphate.
Embodiment 3, a kind of preparation of silicone construction sealant
A kind of preparation of silicone construction sealant includes following preparation step:
(1) it weighs following raw material: 150 parts of styrene-acrylic emulsion, 10 parts of filler, 20 parts of coupling agent, 10 parts of defoaming agent, increasing
10 parts of agent of modeling.
(2) styrene-acrylic emulsion and filler are added in there-necked flask, at a temperature of 30 DEG C, stir 60min with 350rmp speed, make
Filler is fully dispersed in styrene-acrylic emulsion, obtains mixture 1；
(3) coupling agent is added into step 2 gained mixture 1, at a temperature of 65 DEG C, with the stirring of 350rmp speed
60min is cooled to 25 ± 2 DEG C, obtains mixture 2；
(4) to defoaming agent and plasticizer will be added in mixture 2 described in step (3), with the stirring of 350rmp speed
60min, with hydrochloric acid tune PH7 to get.
The filler is nano-silicon；The coupling agent is N- aminoethyl -3- aminopropyltriethoxy dimethoxysilane；It is described to disappear
Infusion is dioctyl phthalate；The plasticizer is tributyl phosphate.
A kind of preparation of building sealant of comparative example 1 includes following preparation step:
(1) it weighs following raw material: 82 parts of styrene-acrylic emulsion, 0 part of filler, 9 parts of coupling agent, 2.5 parts of defoaming agent, being plasticized
2.5 parts of agent.
(2) styrene-acrylic emulsion is added in there-necked flask, at a temperature of 30 DEG C, stirs 60min with 350rmp speed,
Obtain mixture 1；
(3) coupling agent is added into step 2 gained mixture 1, at a temperature of 65 DEG C, with the stirring of 350rmp speed
60min is cooled to 25 ± 2 DEG C, obtains mixture 2；
(4) to defoaming agent and plasticizer will be added in mixture 2 described in step (3), with the stirring of 350rmp speed
60min, with hydrochloric acid tune PH7 to get.
The filler is nano-silicon；The coupling agent is N- aminoethyl -3- aminopropyltriethoxy dimethoxysilane；It is described to disappear
Infusion is dioctyl phthalate；The plasticizer is tributyl phosphate.
Comparative example 1 the difference from example 2 is that, be free of nano-silicon.
A kind of preparation of silicone construction sealant of comparative example 2
A kind of preparation of silicone construction sealant includes following preparation step:
(1) it weighs following raw material: 82 parts of styrene-acrylic emulsion, 0.5 part of filler, 9 parts of coupling agent, 2.5 parts of defoaming agent, increasing
2.5 parts of agent of modeling.
(2) styrene-acrylic emulsion and filler are added in there-necked flask, at a temperature of 28 DEG C, stir 30min with 300rmp speed, make
Filler is fully dispersed in styrene-acrylic emulsion, obtains mixture 1；
(3) coupling agent is added into step 2 gained mixture 1, at a temperature of 60 DEG C, with the stirring of 270rmp speed
30min is cooled to 25 ± 2 DEG C, obtains mixture 2；
(4) to defoaming agent and plasticizer will be added in mixture 2 described in step (3), with the stirring of 270rmp speed
30min, with hydrochloric acid tune PH6.5 to get.
The filler is nano-silicon；The coupling agent is N- aminoethyl -3- aminopropyltriethoxy dimethoxysilane；It is described to disappear
Infusion is dioctyl phthalate；The plasticizer is tributyl phosphate.
Comparative example 2 the difference from example 2 is that, the filler additive amount in comparative example 2 is not within the scope of the present invention.
Performance test
The measurement of 1.1 glue film basic performances
The measurement of the water resistance, storage stability, corrosion resistance of 1.1 glue films:
The water resistance of glue film: it is measured by GB/T 1738-1979.
Storage stability: it is measured by GB/T6753.3-1989.
Corrosion resistance: GB/T1771-2007 measurement.
The detection of 1.2 mechanics performance of latex film
Glue film tensile strength: it is detected by GB/T13477.8-2002.
Elongation at break: it is detected by GB/T30776-2014.
The characterization of 1.2 lotions
1.2.1FTIR analysis
It is analyzed using NEXUS-670 type Fourier infrared spectrum, by silicone modified styrene-acrylate emulsion adhesive glue film fragment
It is ground together with NaBr white crystal grain, uniformly grinds rear tabletting and toast a moment under infrared light can survey after removing micro-moisture
It is fixed.
1.2.2SEM measurement
Using surface sweeping electron microscope analysis, first Double-face gummed paper is bonded on specimen holder, uniformly sample powder is being sprinkling upon
Unstuck powder is blown away with ear washing bulb in face, then plates one layer of conductive film, can power on sem observation.1.2.3DSC test
Using NETZSCH DSC 200PC type differential scanning calorimeter, sample under nitrogen protection, the rate of heat addition 20
DEG C/min, Range of measuring temp is -50~300 DEG C.
2, results and discussion
The detection of 2.1 glue film basic performances
2.1.1 the detection of glue film temperature tolerance, durability and anti-ultraviolet property
Original glue film by sunlight due to being irradiated, temperature change, and the influence of the external conditions such as wind and weather often will appear
The a series of aging phenomena such as colour fading, discoloration, cracking, dusting, and the temperature tolerance of modified glue film, durability and uvioresistant
Performance is improved.It is as follows, thermal ageing test will be passed through to the heat resistance of 2 glue film of embodiment, durability and uviolresistance
Detection can be made and discussed:
The detection of table 1 glue film temperature tolerance, durability and uvioresistant performance
By 1 table it is found that original glue film is with the raising of temperature, the caking ability and tensile strength of glue film are on a declining curve, and work as
When temperature is greater than 60 DEG C, downward trend is more obvious.And the glue film as made from modified lotion, in the range of 20~80 DEG C,
As the temperature rises, downward trend is presented in the adhesion strength and tensile strength of glue film, but downward trend is slow, when temperature is greater than
At 80 DEG C, the adhesion strength of glue film and tensile strength downward trend increase, but adhesion strength and tensile strength are superior to original glue
Film, and effect is obvious.
From the constituent of modified emulsion it is found that due to nano-silicon addition, by physical blending, nano-silicon is evenly dispersed
Form a kind of silica network structure after into styrene-acrylic emulsion with macromolecular chain quickly, the gluing degree of system improves, modified emulsion
Stability enhancing, the adhesion strength and tensile strength of glue film be improved, thus improve the water resistance of glue film, temperature tolerance and
The performances such as uvioresistant.So in conclusion the heatproof for the aqueous phenylpropyl alcohol silicone structure sealant glue film being modified by embodiment 2
Property, durability and anti-ultraviolet property are more excellent.
2.1.2 the measurement of water resistance
Table 2 influences glue film water absorption rate
From table 2 it can be seen that the water suction of modifying cinepazid silicone structure sealant takes the lead in the increase of nano-silicon additional amount
Reduce after increase.When the additional amount of nano silica is with embodiment 2, the water absorption rate of glue film is 130%, and nano-silica is not added
The comparative example 1 of SiClx, the water absorption rate of glue film are only 30%, and in the present invention, nano silica, which is added, can significantly improve glue film
Water absorption rate.
2.1.3 the detection of glue film corrosion resistance
Detection is made by corrosion resistance of the salt mist experiment to glue film, as a result as shown in the table:
The salt mist experiment of 3 glue film of table detects
As seen from the above table, the corrosion resistance of glue film of the present invention is good, and national standard < 1 grade, without plus nano silicon or dosage
Not in invention use scope, glue film can be destroyed in salt mist experiment.
2.1.4 the measurement analysis of mechanics performance of latex film
The tensile bond intensity and elongation at break of glue film are the whether excellent direct judge index of glue film, and following data are
By pull test under the conditions of the temperature of (23 ± 2) DEG C, survey that tensile bond strength and elongation at break to glue film carry out
It is fixed:
The measurement of the tensile bond strength and elongation at break of 4 glue film of table
By table 4 as it can be seen that the mechanical property of glue film is best, and the stretching of glue film is strong when the content of nano-silicon is embodiment 2
Degree is 1.54Mpa, elongation at break 253%.
The characterization of 2.2 emulsion properties
2.3.1FTIR characterization
Before modified with the infrared spectrogram of modified lotion by Fig. 1, Fig. 2 as it can be seen that the characteristic absorption band of Si-O exists in Fig. 1
1100~1000cm-1Between, in Fig. 2,907.6cm-1The peak that place occurs is the stretching vibration peak of Si-C, in 1066.4cm-1Locate
Existing peak is the stretching vibration peak of Si-O, illustrates that there are Si-O structures in nano-silicon dioxide modified styrene-acrylic emulsion；2962.5cm-1,3438.7cm-1, 1739.5cm-1It is methylene, the absorption peak of methyl and carbonyl, 1600.1cm respectively-1, 1554.1cm-1,
1455.1cm-1, 1386.1cm-1For the absorption skeleton of phenyl ring, 1157.9cm-1, 1066.4cm-1It is absorbed for 2 adjacent ehter bonds
Peak, with 1157.9cm-1Strong absorption and 1066.4cm-1The strong broad absorption band that equal ehter bonds absorb composition characterizes acrylate structural
The absorption of C-O-C in middle ester group；In 1635cm-1Locate no peak, illustrate no double bond, shows that various monomers have all participated in reaction.
2.3.2SEM atlas analysis
By Fig. 3, Fig. 4 it is found that being in the butterfly-like of rule using the nano-silicon modifying cinepazid emulsion particle of optimization technique preparation,
It is distributed relatively uniform, particle size is uniformly and the inside particles degrees of cross linking is high, it can thus be appreciated that passing through the modified emulsion-stabilizing of this method
Property it is good, gumminess is high, and particle is uniform, and obtained glue film crosslinking degree is high, and stability is good, water resistance and other performances compared with
It is excellent, it haves laid a good foundation for the application of subsequent lotion.
2.3.3 the dsc analysis of lotion
It can be seen that only one glass transition temperature of phenylpropyl alcohol silicone structure sealant from Fig. 5, Fig. 6, pass through 5 figures and 6
The comparison of figure obtains, the phenylpropyl alcohol silicone structure sealant through nanometer Si modification, because nano silica and acrylic monomers point
It is combined on son, inorganic nano-particle and organic polymer chain link gets up to be formed in such a way that chemical graft is bonded stable
Network structure improves the viscosity of system so that the thermal stability of lotion improves, while improve emulsion film stability,
Various performances such as water resistance, researchs various to durability, the water resistance of phenylpropyl alcohol silicone structure sealant etc. are established
Good basis.
3 conclusions
(1) by the method for physical blending, nano-silicon is evenly spread in styrene-acrylic emulsion in a manner of filler, due to gas
Aerosil has the performances such as superior stability, reinforcing, thickening property and thixotropy, so the addition of nano-silicon is certain
Various performances such as very big stability, heat-resisting quantity and corrosion resistance for improving styrene-acrylic emulsion in degree.
(2) experiment shows 2 gained sealant of embodiment, obtains nano-silicon modifying cinepazid emulsion through a series of detections
Properties are preferable.
(3) respectively with Fourier infrared spectrograph, SEM scanning electron microscope and DSC differential scanning calorimeter to lotion
Structure, the glass transition temperature of the size distribution of lotion and lotion characterized.The result shows that modified styrene-acrylic emulsion is each
Aspect performance is advantageous.
In conclusion the present invention is made actual sample and test is used for multiple times such as specification and diagramatic content, from making
It is seen with the effect of test, the provable present invention can reach its desired purpose, and practical value is unquestionable.It is provided above
Embodiment is only used to conveniently illustrate the present invention, and is not intended to limit the present invention in any form, any affiliated technology neck
Has usually intellectual in domain, if without departing from the scope of the technical features of the present invention, utilizing disclosed technology
The equivalent embodiment for locally changing or modifying made by content, and without departing from technical feature content of the invention, still fall within
In the range of the technology of the present invention feature.
Claims (10)
1. a kind of silicone construction sealant, which is characterized in that include following raw material: 50-150 parts of styrene-acrylic emulsion, filler
1-10 parts, 5-20 parts of coupling agent, 0.5-10 parts of defoaming agent, 0.5-10 parts of plasticizer.
2. silicone construction sealant according to claim 1, which is characterized in that include following raw material: phenylpropyl alcohol cream
60-120 parts of liquid, 3-6 parts of filler, 6-15 parts of coupling agent, 1-6 parts of defoaming agent, 2-5 parts of plasticizer.
3. silicone construction sealant according to claim 2, which is characterized in that include following raw material: phenylpropyl alcohol cream
80-100 parts of liquid, 3.0-4 parts of filler, 8-10 parts of coupling agent, 2.5-3 parts of defoaming agent, 2.5-3 parts of plasticizer.
4. silicone construction sealant according to any one of claims 1 to 3, which is characterized in that the filler is nano-silicon；It is excellent
Choosing, the dosage of nano-silicon is raw material gross weight 4%；To be preferred, the coupling agent is N- aminoethyl -3- aminopropyltriethoxy two
Methoxy silane；Preferably, the defoaming agent is dioctyl phthalate；Preferably, the plasticizer is tributyl phosphate.
5. the preparation method of any silicone construction sealant of claims 1 to 3, which is characterized in that include following preparation
Step:
(1) weight powder the following raw material: styrene-acrylic emulsion, filler, coupling agent, defoaming agent, plasticizer is weighed；
(2) styrene-acrylic emulsion and filler are added in there-necked flask, in 25-30 DEG C of stirring 20-60min at room temperature, divide filler completely
It dissipates in styrene-acrylic emulsion, obtains mixture 1；
(3) coupling agent is added into step 2 gained mixture 1,20-60min is stirred at a temperature of 55-65 DEG C, is cooled to 25
± 2 DEG C, obtain mixture 2；
(4) to defoaming agent and plasticizer will be added in mixture 2 described in step (3), 20-60min is stirred, with hydrochloric acid tune PH6-
7 to get.
6. preparation method according to claim 5, it is characterised in that: the stirring in step (2), mixing speed are
250-350rmp；Stirring described in step (3), mixing speed 250-350rmp；Stirring described in step (4), stirring speed
Degree is 250-300rmp.
7. preparation method according to claim 6, it is characterised in that: the stirring in step (2), mixing speed are
300rmp；Preferably, stirring described in step (3), mixing speed 270rmp；Preferably, stirring described in step (4),
Mixing speed is 270rmp.
8. preparation method according to claim 5, it is characterised in that: the filler is nano-silicon；Preferably, the coupling
Agent is N- aminoethyl -3- aminopropyltriethoxy dimethoxysilane；Preferably, the defoaming agent is dioctyl phthalate；It is excellent
Choosing, the plasticizer is tributyl phosphate.
9. preparation method according to claim 5, it is characterised in that: temperature described in step (2) is 28 DEG C；Step (3)
The temperature is 60 DEG C.
10. preparation method according to claim 5, it is characterised in that: PH described in step (4) is 6.5.
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| CN201810652886.6A CN109021868A (en) | 2018-06-22 | 2018-06-22 | A kind of silicone construction sealant and preparation method thereof |
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| CN201810652886.6A CN109021868A (en) | 2018-06-22 | 2018-06-22 | A kind of silicone construction sealant and preparation method thereof |
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| CN201810652886.6A Pending CN109021868A (en) | 2018-06-22 | 2018-06-22 | A kind of silicone construction sealant and preparation method thereof |
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| CN (1) | CN109021868A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114015384A (en) * | 2021-12-01 | 2022-02-08 | 苏州健雄职业技术学院 | Nano SiO2Organic silicon elastomer modified single-component styrene-acrylic silicone sealant |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005281626A (en) * | 2004-03-30 | 2005-10-13 | Nitto Polymer Kogyo Kk | Inorganic-organic composite type aqueous adhesive composition |
| CN106893530A (en) * | 2017-04-25 | 2017-06-27 | 无锡市福享天下科技有限公司 | Senior water-proof adhesive |
-
2018
- 2018-06-22 CN CN201810652886.6A patent/CN109021868A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005281626A (en) * | 2004-03-30 | 2005-10-13 | Nitto Polymer Kogyo Kk | Inorganic-organic composite type aqueous adhesive composition |
| CN106893530A (en) * | 2017-04-25 | 2017-06-27 | 无锡市福享天下科技有限公司 | Senior water-proof adhesive |
Non-Patent Citations (1)
| Title |
|---|
| 杨光等: "《添加纳米二氧化硅对苯丙涂层综合性能的影响》", 《材料保护》 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114015384A (en) * | 2021-12-01 | 2022-02-08 | 苏州健雄职业技术学院 | Nano SiO2Organic silicon elastomer modified single-component styrene-acrylic silicone sealant |
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