CN107556570A - A kind of butylbenzene redispersible latex powder and preparation method thereof - Google Patents
A kind of butylbenzene redispersible latex powder and preparation method thereof Download PDFInfo
- Publication number
- CN107556570A CN107556570A CN201710851190.1A CN201710851190A CN107556570A CN 107556570 A CN107556570 A CN 107556570A CN 201710851190 A CN201710851190 A CN 201710851190A CN 107556570 A CN107556570 A CN 107556570A
- Authority
- CN
- China
- Prior art keywords
- latex powder
- butylbenzene
- redispersible latex
- redispersible
- polyvinyl alcohol
- 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.)
- Granted
Links
Landscapes
- Processes Of Treating Macromolecular Substances (AREA)
Abstract
The invention discloses a kind of butylbenzene redispersible latex powder and preparation method thereof, the latex powder includes the component of following mass percent：Carboxy emulsion 60 71.5%, surfactant 1.2 1.6%, polyvinylpyrrolidone 0.48 1%, carboxylic acid 0.7 1.2%, polyvinyl alcohol 3.5 5%, pH adjusting agent 0.05 0.1%, defoamer 0.2 0.4%, anti-caking agent 6 6.5%, surplus are deionized water.Its preparation method sequentially adds the component, and adds anti-caking agent while drying, and can prevent redispersible latex powder adhesion, effectively prevent spray drying from causing the reduction of redispersible rubber powder performance；The each component synergy of the present invention, scientific compatibility so that butylbenzene redispersible latex powder has obvious water-reducing effect in cement mortar, improves cement mortar and the bonding force of base material, improves the water-fast intensity of cement mortar, pliability.
Description
Technical field
The present invention relates to a kind of emulsion, and in particular to a kind of butylbenzene redispersible latex powder and preparation method thereof.
Background technology
Redispersible latex powder is that a kind of plus water can be dispersed in water to form dispersion liquid again, and similar with former emulsion
The polymer powder of performance.Usually added by polymer emulsion after certain auxiliary agent be dehydrated by drying process with atomizing prepare and
Into.Redispersible latex powder is process by tailor-made polymer thing emulsion by spray drying.Compared with conventional emulsions, it can divide again
Dissipating property latex powder can be dry-mixed with cement, aggregate and other materials, and the one-component product for being easy to apply at the construction field (site) is made, and wraps
Dress is low with cost of transportation, and effect on environment is small, and mould proof antifreeze.
Existing redispersible latex powder is largely EVA types, acrylic type, and butylbenzene redispersible latex powder exists at present
The country not yet develops.A kind of water miscible protecting colloid can be added in existing LS dry technology, is wrapped in latex
Particle surface, latex particle adhesion in spray-drying process is prevented, be denatured, and then lose original performance.Styrene-butadiene emulsion be by
Styrene and polymerizing butadiene form, and both materials do not have hydrophilic radical, cause styrene-butadiene emulsion and hydrophily stronger
After protecting colloid mixing, there is phenomenon that is mutually exclusive, drastically thickening, can not prepare can be again by being normally spray-dried
Dispersed latex powder.
The content of the invention
To solve the problem of prior art, the invention provides a kind of butylbenzene redispersible latex powder and its preparation side
Method.
Technical scheme is as follows：
The invention provides a kind of butylbenzene redispersible latex powder, the latex powder includes the group of following mass percent
Point：Carboxy emulsion 60-71.5%, surfactant 1.2-1.6%, polyvinylpyrrolidone 0.48-1%, carboxylic acid 0.7-
1.2%th, polyvinyl alcohol 3.5-5%, pH adjusting agent 0.05-0.1%, defoamer 0.2-0.4%, anti-caking agent 6-6.5%, surplus
For deionized water.
Preferably, surfactant is NPE, Nonyl pheno sodium sulphate, polyoxethylene octylphenyl
One kind in phenol ether.The surfactant has oleophylic and hydrophilic radical, and one end oleophylic, one end are hydrophilic, as carboxyl fourth
" bridge " between benzene emulsion and Water soluble protective colloids, solves styrene-butadiene emulsion and Water soluble protective colloids' compatibility well
Problem.
Preferably, the degree of polymerization of polyvinyl alcohol is 400-500, alcoholysis degree 88-99%.The polyvinyl alcohol and polyethylene
Pyrrolidones act as the effect of protecting colloid, both water-soluble polymer scientific compatibilities, interaction, solve emulsion particle
Son adhesion, denaturation in spray drying lose original performance.
Preferably, carboxylic acid is one kind in citric acid, oxalic acid, tartaric acid.
Preferably, pH adjusting agent is ammoniacal liquor or NaOH.Redispersible latex powder mainly uses with cement mixing, adds pH
Conditioning agent so that butylbenzene redispersible latex powder pH value is close with cement system pH value, makes it in cement mortar alkaline environment
In be easier to play a role.
Preferably, defoamer is one kind in stearates defoamer, organic silicon defoamer, fatty ester de-foamer.
The addition of the defoamer so that the pliability of butylbenzene redispersible latex powder is significantly lifted.
Preferably, anti-caking agent be talcum powder, white carbon, powdered whiting, kaolin, it is diatomaceous it is one or two kinds of with
On mixture.The anti-caking agent effectively reduces the coalescence of redispersible latex powder, adhesion, improves redispersible
The storage stability of latex powder.
Present invention also offers a kind of preparation method of the butylbenzene redispersible latex powder, this method includes following step
Suddenly：
(1) aqueous povidone solution that weight/mass percentage composition is 20% is prepared, weight/mass percentage composition is 20%
Polyvinyl alcohol water solution, weight/mass percentage composition are 10% pH adjusting agent solution；
(2) the Carboxy emulsion is weighed in reactor, opens stirring；
(3) the pH adjusting agent solution, surfactant, polyethylene pyrrole and then are successively added while stirring into reactor
The pyrrolidone aqueous solution, carboxylic acid, polyvinyl alcohol water solution, defoamer, obtain mixture；
(4) mixture in step (3) is subjected to spraying drying powder-forming, while adds the anti-caking agent, obtained described
Butylbenzene redispersible latex powder.
Preferably, in step (2), the speed of stirring is 100-150r/min.
Preferably, in step (4), dry inlet temperature is 120-150 DEG C, and outlet temperature is 70-80 DEG C.
Beneficial effects of the present invention：
(1) each component synergy in butylbenzene redispersible latex powder of the present invention, scientific compatibility so that butylbenzene can be again
Dispersed latex powder has obvious water-reducing effect in cement mortar, improves cement mortar and the bonding force of base material, improves
The water-fast intensity of cement mortar, pliability.In reinforcing oil well, the physical and chemical performance of cement can be effectively improved, especially
It is to have significant effect at increase cement strength, filtrate-loss control energy and anticorrosive aspect.
(2) preparation method of butylbenzene redispersible latex powder of the present invention is simple, as a result of the addition of the component
Sequentially, and while drying anti-caking agent is added, redispersible latex powder adhesion can be prevented, effectively prevent from being spray-dried
Cause the reduction of redispersible rubber powder performance.
Embodiment
The invention provides a kind of redispersible latex powder, the latex powder includes the component of following mass percent：Carboxylic
Base styrene-butadiene emulsion 60-71.5%, surfactant 1.2-1.6%, polyvinylpyrrolidone 0.48-1%, carboxylic acid 0.7-1.2%,
Polyvinyl alcohol 3.5-5%, pH adjusting agent 0.05-0.1%, defoamer 0.2-0.4%, anti-caking agent 6-6.5%, surplus for go from
Sub- water.
Carboxy emulsion in butylbenzene redispersible latex powder component of the present invention relative to VAE emulsions, acrylic acid and
Speech, Carboxy emulsion is the most obvious to the water-reducing effect of mortar, also more obvious to the effect of cement mortar rupture strength, especially
It is to be applied to oilfield, Carboxy emulsion has the spies such as obvious rapid hardening, early strong, low dehydration, short transient time, high temperature resistant
Point.
Polyvinylpyrrolidone in butylbenzene redispersible latex powder component of the present invention can be used as a kind of nonionic simultaneously
Carboxy emulsion is carried out breast by type high molecular surfactant and the effect of Water soluble protective colloids, polyvinylpyrrolidone
Change, be wrapped in latex particle surface, form " umbrella ", after solving Carboxy emulsion and polyvinyl alcohol, due to
Thickening behavior caused by polarity.In spray-drying process, HMW, the linear Amorphous Polymers of high glass transition temperature
Polyvinylpyrrolidone and polyvinyl alcohol can be coated on latex particle surface so that particle surface is in spray drying exit temperature
Under still keep glassy state, avoid reunion and viscous wall, so as to obtain good fluidity, function admirable butylbenzene redispersible
Latex powder.
Preferably, surfactant is NPE, Nonyl pheno sodium sulphate, polyoxethylene octylphenyl
One kind in phenol ether.The surfactant has oleophylic and hydrophilic radical, and one end oleophylic, one end are hydrophilic, as carboxyl fourth
" bridge " between benzene emulsion and Water soluble protective colloids, solves styrene-butadiene emulsion and Water soluble protective colloids' consistency problem.
Preferably, the degree of polymerization of polyvinyl alcohol is 400-500, alcoholysis degree 88%-99%.The polyvinylpyrrolidone
Relative molecular mass is 8000-10000, polyvinylpyrrolidone as a kind of synthesizing water-solubility high-molecular compound, film forming is good,
Bond high, solubilising or cohesion is strong, there is colloid protective effect.Polyvinyl alcohol is the protecting colloid in emulsion polymerization process,
The glass transition temperature of the polyvinyl alcohol is high, and heat-resisting ability is strong in short-term, can be by the heat-resisting quantity of itself, to prevent from spraying
Denaturation and adhesion occur for polymer latex particles in drying process, protect latex particle performance not suffer a loss.
Preferably, carboxylic acid is one kind in citric acid, oxalic acid, tartaric acid.Carboxyl-content is higher in carboxylic acid can improve respectively
The compatibility of kind auxiliary agent and styrene-butadiene emulsion.
Preferably, pH adjusting agent is ammoniacal liquor or NaOH.After adding ammoniacal liquor or NaOH solution, redispersable latex powder have adjusted
PH value, make redispersable latex powder for alkalescence, make to be easier to play a role in its alkaline environment.
Preferably, defoamer is one kind in stearates defoamer, organic silicon defoamer, fatty ester de-foamer.
Butylbenzene redispersible latex powder produces a large amount of foams, bubble during preparation and use, because the vibrations of machinery introduce air
Foam is difficult to voluntarily rupture, and finally influences properties of product.The surface tension of defoamer in itself is very low, in redispersible latex powder
Foam membranous wall is gradually thinning, and is drawn by the big film layer strength of circumferential surface tension force, and whole bubble will produce the injustice of stress
Weighing apparatus, so as to cause the rupture of bubble, therefore, the addition of the defoamer improves the densification of butylbenzene redispersible latex powder film
Property.
Preferably, anti-caking agent is more than one or both of talcum powder, white carbon, powdered whiting, kaolin
Mixture.The anti-caking agent effectively reduces the coalescence of redispersible latex powder, adhesion, improves redispersible latex
The storage stability of powder.
Present invention also offers a kind of preparation method of the redispersible latex powder, this method comprises the following steps：
(1) aqueous povidone solution that weight/mass percentage composition is 20% is prepared, weight/mass percentage composition is 20%
Polyvinyl alcohol water solution, weight/mass percentage composition are 10% pH adjusting agent solution；
(2) the Carboxy emulsion is weighed in reactor, opens stirring；
(3) the pH adjusting agent solution, surfactant, polyethylene pyrrole and then are successively added while stirring into reactor
The pyrrolidone aqueous solution, carboxylic acid, polyvinyl alcohol water solution, defoamer, obtain mixture；
(4) mixture in step (3) is subjected to spraying drying powder-forming, while adds the anti-caking agent, obtained described
Redispersible latex powder.
Butylbenzene redispersible latex powder of the present invention as a result of said components addition sequence, and dry while
Anti-caking agent is added, can effectively prevent the redispersible latex powder adhesion in spray-drying process.
Preferably, in step (1), the speed of stirring is 100-150r/min.
Preferably, in step (3), dry inlet temperature is 120-150 DEG C, and outlet temperature is 70-80 DEG C.
The technical scheme of the embodiment of the present invention is completely described below, described embodiment is only the present invention
Section Example, rather than whole embodiments.Based on the embodiment in the present invention, those skilled in the art are not making wound
The every other embodiment obtained under the premise of new property work, belongs to the scope of protection of the invention.The thing used in embodiment
Matter is commercially available.
Embodiment 1
A kind of butylbenzene redispersible latex powder includes the component of following mass percent：Carboxy emulsion 60%, nonyl
Base phenol polyethenoxy ether 1.6%, polyvinylpyrrolidone 1%, citric acid 1.2%, polyvinyl alcohol (alcoholysis degree 88%, polymerization
Spend for 500) 5%, ammoniacal liquor 0.03%, organic silicon defoamer 0.4%, kaolin 6.5%, deionized water 24.27%.
The preparation method of the butylbenzene redispersible latex powder comprises the following steps：
(1) weigh the polyvinylpyrrolidone 1% to be dissolved in deionized water 4%, being configured to weight/mass percentage composition is
20% aqueous povidone solution；Weigh the polyvinyl alcohol 5% to be dissolved in deionized water 20%, be configured to quality hundred
The polyvinyl alcohol water solution for dividing content to be 20%, weighs 0.03% ammoniacal liquor and is dissolved in deionized water 0.27%, be configured to matter
Measure the ammonia spirit that percentage composition is 10%；
(2) the Carboxy emulsion is weighed in reactor, opens stirring, the speed of stirring is 100r/min；
(3) ammonia spirit, NPE, polyethylene and then are successively added while stirring into reactor
Pyrrolidone solution, citric acid, polyvinyl alcohol water solution, organic silicon defoamer, obtain mixture, and its pH value is 9；
(4) mixture in step (3) is subjected to spraying drying powder-forming, dry inlet temperature is 130 DEG C, outlet temperature
For 70 DEG C, while the kaolin is equably added into spray drying tower, it is mixed with the latex powder being spray-dried out
It is even, obtain the butylbenzene redispersible latex powder.
Embodiment 2
A kind of butylbenzene redispersible latex powder includes the component of following mass percent：Carboxy emulsion 71.5%,
NPE 1.2%, polyvinylpyrrolidone 0.48%, citric acid 1%, polyvinyl alcohol (alcoholysis degree 88%, gather
It is right be 500) 3.5%, ammoniacal liquor 0.02%, fatty ester de-foamer 0.2%, white carbon 2.5%, powdered whiting 3.5%, go
Ionized water 16.1%.
The preparation method of the butylbenzene redispersible latex powder comprises the following steps：
(1) weigh the polyvinylpyrrolidone 0.48% to be dissolved in deionized water 1.92%, be configured to quality percentage and contain
Measure the aqueous povidone solution for 20%；Weigh the polyvinyl alcohol 3.5% to be dissolved in deionized water 14%, be configured to
Weight/mass percentage composition is 20% polyvinyl alcohol water solution, weighs 0.02% ammoniacal liquor and is dissolved in deionized water 0.18%, matches somebody with somebody
The ammonia spirit that weight/mass percentage composition is 10% is made；
(2) the Carboxy emulsion is weighed in reactor, opens stirring, the speed of stirring is 120r/min；
(3) ammonia spirit, NPE, polyethylene and then are successively added while stirring into reactor
Pyrrolidone solution, citric acid, polyvinyl alcohol water solution, fatty ester de-foamer, obtain mixture, and its pH value is 8.5；
(4) mixture in step (3) is subjected to spraying drying powder-forming, dry inlet temperature is 125 DEG C, outlet temperature
For 72 DEG C, while the white carbon and powdered whiting are equably added into spray drying tower, make it and be spray-dried out
Latex powder is well mixed, and obtains the butylbenzene redispersible latex powder.
Embodiment 3
A kind of butylbenzene redispersible latex powder includes the component of following mass percent：Carboxy emulsion 65%, nonyl
Base phenol polyethenoxy sodium sulphate 1.3%, polyvinylpyrrolidone 0.8%, oxalic acid 1%, polyvinyl alcohol (alcoholysis degree 88%, gather
It is right be 500) 4.3%, NaOH 0.06%, organic silicon defoamer 0.3%, talcum powder 4.5%, diatomite 1.8%, deionization
Water 20.94%.
The preparation method of the butylbenzene redispersible latex powder comprises the following steps：
(1) weigh the polyvinylpyrrolidone 0.8% to be dissolved in deionized water 3.2%, be configured to weight/mass percentage composition
For 20% aqueous povidone solution；Weigh the polyvinyl alcohol 4.3% to be dissolved in deionized water 17.2%, be configured to
Weight/mass percentage composition is 20% polyvinyl alcohol water solution, weighs the 0.06%NaOH and is dissolved in deionized water 0.54%, matches somebody with somebody
The NaOH aqueous solution that weight/mass percentage composition is 10% is made；
(2) the Carboxy emulsion is weighed in reactor, opens stirring, the speed of stirring is 120r/min；
(3) added while stirring into reactor and then successively the NaOH aqueous solution, Nonyl pheno sodium sulphate,
Aqueous povidone solution, oxalic acid, polyvinyl alcohol water solution, organic silicon defoamer, obtain mixture, and its pH value is 8.5；
(4) mixture in step (3) is subjected to spraying drying powder-forming, dry inlet temperature is 140 DEG C, outlet temperature
For 78 DEG C, while the talcum powder and diatomite are equably added into spray drying tower, make itself and the latex that is spray-dried out
Powder is well mixed, and obtains the butylbenzene redispersible latex powder.
Embodiment 4
A kind of butylbenzene redispersible latex powder includes the component of following mass percent：Carboxy emulsion 66.9%,
(alcoholysis degree is for polyoxethylene octylphenyl phenol ether 1.5%, polyvinylpyrrolidone 0.84%, tartaric acid 0.9%, polyvinyl alcohol
88%, the degree of polymerization 400) 3.9%, NaOH 0.08%, stearates defoamer 0.2%, kaolin 2.6%, heavy carbonic acid
Calcium 3.4%, deionized water 19.68%.
The preparation method of the redispersible latex powder comprises the following steps：
(1) weigh the polyvinylpyrrolidone 0.84% to be dissolved in deionized water 3.36%, be configured to quality percentage and contain
Measure the aqueous povidone solution for 20%；Weigh the polyvinyl alcohol 3.9% to be dissolved in deionized water 15.6%, prepare
Into the polyvinyl alcohol water solution that weight/mass percentage composition is 20%, weigh the 0.08%NaOH and be dissolved in deionized water 0.72%,
It is configured to the NaOH solution that weight/mass percentage composition is 10%；
(2) the Carboxy emulsion is weighed in reactor, opens stirring, the speed of stirring is 150r/min；
(3) NaOH solution, surfactant, polyvinylpyrrolidine and then are successively added while stirring into reactor
The ketone aqueous solution, tartaric acid, polyvinyl alcohol water solution, defoamer, obtain mixture, and its pH value is 8.5；
(4) mixture in step (3) is subjected to spraying drying powder-forming, dry inlet temperature is 138 DEG C, outlet temperature
For 76 DEG C, while the kaolin and powdered whiting are equably added into spray drying tower, make it and be spray-dried out
Latex powder is well mixed, and obtains the butylbenzene redispersible latex powder.
The butylbenzene redispersible latex powder of the present invention is compared with other types of redispersible latex powder, in cement bonded sand
There is obvious water-reducing effect in slurry, cement mortar and the bonding force of base material can be improved, improve the water-fast intensity of cement mortar, it is soft
Toughness.In reinforcing oil well, the physical and chemical performance of cement can be effectively improved, is especially lost in increase cement strength, drop
It is water-based to have significant effect with anticorrosive aspect.
Method in above-described embodiment can successfully prepare butylbenzene redispersible latex powder, according to GB/
T29594-2013《Redispersible latex powder》It is required that it is as follows to test its specific targets：
Table 1
The butylbenzene redispersible latex powder of the present invention has obvious water-reducing effect in cement mortar, can improve cement
The bonding force of mortar and base material, improve the water-fast intensity of cement mortar, pliability.In reinforcing oil well, water can be effectively improved
The physical and chemical performance of mud, especially there is significant effect at increase cement strength, filtrate-loss control energy and anticorrosive aspect.
Redispersible latex powder prepared by the present invention is configured to latex-cement slurry and is applied to oilfield, it is anti-to test it
Roll over compression strength and filtrate-loss control energy.Cement-slurry method is 100%G class g cements, 2% swelling agent, 3% fluid loss additive, 0.5%
Defoamer, 1% retarder, the redispersible latex powder of the present invention, the ratio of mud 0.44.The present invention of different content at 80 DEG C
Butylbenzene redispersible latex powder Behavior of Hardened Cement Paste pressure-proof and snap-resistent intensity be shown in Table 1.The present invention prepares butylbenzene redispersible latex powder
The influence compounded with fluid loss agent to cement slurry water loss amount is shown in Table 2.
Table 2
As can be seen from Table 2, adding the Behavior of Hardened Cement Paste compression strength of butylbenzene redispersible latex powder slightly reduces, and anti-folding is strong
Degree increase.Styrene-butadiene latex Behavior of Hardened Cement Paste compression strength all meets cementing requirements more than 20MPa under middle low temperature, as butylbenzene can divide again
The addition of property latex powder is dissipated, the compression strength of Behavior of Hardened Cement Paste reduces, rupture strength increase.Because butylbenzene redispersible latex
During powder and cement mixing, hydrolysis product of cement is combined with butylbenzene glued membrane, and the two forms continuous network structure, improves water
The toughness of mudstone.
Table 3
As can be seen from Table 3, the addition of butylbenzene redispersible latex powder, fluid loss can be effectively reduced, this be by
After butylbenzene redispersible latex powder adds cement mortar, butylbenzene redispersible latex powder is adsorbed in cement particle surface,
In the presence of pressure difference and hydrated cementitious, styrene-butadiene latex gradually forms uniform polymer film, and the permeability of cement mortar filter cake is rapid
Reduce, fluid loss greatly reduces.
Comparative example 1
A kind of butadiene-styrene latex powder includes the component of following mass percent：Carboxy emulsion 60%, polyvinyl alcohol (alcoholysis
Spend for 88%, the degree of polymerization 500) 5%, kaolin 6.5%, deionized water 28.5%.In the step of preparation method and embodiment 1
It is identical.Carboxy emulsion mutually thickens with polyvinyl alcohol, is sticked together in spray-drying process, it is difficult to it is big to prepare particle
Small uniform powder, the butylbenzene redispersible latex powder of gained is without mobility.
Comparative example 2
A kind of butadiene-styrene latex powder includes the component of following mass percent：Carboxy emulsion 71.5%, polyvinyl alcohol (alcohol
Xie Du is 88%, the degree of polymerization 500) 3.5%, white carbon 2.5%, powdered whiting 3.5%, deionized water 19%.Preparation side
The step of method, is in the same manner as in Example 2.Carboxy emulsion mutually thickens with polyvinyl alcohol, occurs in spray-drying process viscous
Even, it is difficult to prepare the powder of even particle size, the butylbenzene redispersible latex powder of gained is without mobility.
Comparative example 3
A kind of butadiene-styrene latex powder includes the component of following mass percent：Carboxy emulsion 65%, polyvinyl alcohol (alcoholysis
Spend for 88%, the degree of polymerization 500)) 4.3%, talcum powder 4.5%, diatomite 1.8%, deionized water 24.4%.Preparation method
Step is in the same manner as in Example 3.Carboxy emulsion mutually thickens with polyvinyl alcohol, is sticked together in spray-drying process,
It is difficult to the powder for preparing even particle size, the butylbenzene redispersible latex powder of gained is without mobility.
Comparative example 4
A kind of butylbenzene redispersible latex powder and preparation method thereof, include the component of following mass percent：Carboxyl fourth
Benzene emulsion 63.5%, polyvinyl alcohol (alcoholysis degree 88%, the degree of polymerization 400) 3.9%, kaolin 2.6%, powdered whiting
3.4%, deionized water 26.6%.The step of preparation method, is in the same manner as in Example 4.Carboxy emulsion and polyvinyl alcohol are mutual
Thickening, sticks together, it is difficult to prepare the powder of even particle size, the butylbenzene of gained is redispersible in spray-drying process
Property latex powder is without mobility.
Carboxy redispersible latex powder produced by the present invention and commercially available Nanjing Si Taibao trade Co., Ltds fourth
Benzene rubber powder PSB150 is compared, and redispersible latex powder latex powder adhesive strength produced by the present invention is high, and pliability is good.Especially
Apply in the cementing concrete of oil field chemical field, the annular space between cement sheath and stratum, sleeve pipe can be reduced to greatest extent,
And reduce cement sheath drying and crack and husky hole, there is provided superior rheological property, it is possible to prevente effectively from the generation of gas channeling phenomenon,
Toughness of Cement Sheath is assigned, the dynamic mechanical of Behavior of Hardened Cement Paste is significantly improved, improves the anti-perforation dynamic impulsion of cement sheath
Ability, reduce the broken ring probability of perforation or drilling process cement sheath.
Described above is presently preferred embodiments of the present invention, is not intended to limit the invention, all in essence of the present invention
Any modification, equivalent substitution and simple modifications for being made in appearance etc., should be included in the scope of the protection.
Claims (10)
1. a kind of butylbenzene redispersible latex powder, it is characterised in that the latex powder includes the component of following mass percent：Carboxylic
Base styrene-butadiene emulsion 60-71.5%, surfactant 1.2-1.6%, polyvinylpyrrolidone 0.48-1%, carboxylic acid 0.7-1.2%,
Polyvinyl alcohol 3.5-5%, pH adjusting agent 0.05-0.1%, defoamer 0.2-0.4%, anti-caking agent 6-6.5%, surplus for go from
Sub- water.
2. butylbenzene redispersible latex powder according to claim 1, it is characterised in that surfactant gathers for nonyl phenol
One kind in oxygen vinethene, Nonyl pheno sodium sulphate, polyoxethylene octylphenyl phenol ether.
3. butylbenzene redispersible latex powder according to claim 1, it is characterised in that the degree of polymerization of polyvinyl alcohol is
400-500, alcoholysis degree 88-99%.
4. butylbenzene redispersible latex powder according to claim 1, it is characterised in that carboxylic acid is citric acid, oxalic acid, wine
One kind in stone acid.
5. butylbenzene redispersible latex powder according to claim 1, it is characterised in that pH adjusting agent be ammoniacal liquor or
NaOH。
6. butylbenzene redispersible latex powder according to claim 1, it is characterised in that defoamer disappears for stearates
One kind in infusion, organic silicon defoamer, fatty ester de-foamer.
7. butylbenzene redispersible latex powder according to claim 1, it is characterised in that anti-caking agent is talcum powder, in vain
Carbon black, powdered whiting, kaolin, diatomaceous one or more kinds of mixture.
A kind of 8. method of the butylbenzene redispersible latex powder prepared described in claim 1, it is characterised in that this method includes
Following steps：
(1) aqueous povidone solution that weight/mass percentage composition is 20% is prepared, weight/mass percentage composition is 20% poly- second
The enol aqueous solution, weight/mass percentage composition are 10% pH adjusting agent solution；
(2) the Carboxy emulsion is weighed in reactor, opens stirring；
(3) the pH adjusting agent solution, surfactant, polyvinylpyrrolidine and then are successively added while stirring into reactor
The ketone aqueous solution, carboxylic acid, polyvinyl alcohol water solution, defoamer, obtain mixture；
(4) mixture in step (3) is subjected to spraying drying powder-forming, while adds the anti-caking agent, obtain the butylbenzene
Redispersible latex powder.
9. the preparation method of butylbenzene redispersible latex powder according to claim 8, it is characterised in that in step (2),
The speed of stirring is 100-150r/min.
10. the preparation method of butylbenzene redispersible latex powder according to claim 8, it is characterised in that step (4)
In, dry inlet temperature is 120-150 DEG C, and outlet temperature is 70-80 DEG C.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710851190.1A CN107556570B (en) | 2017-09-20 | 2017-09-20 | Dibutylbenzene redispersible emulsion powder and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710851190.1A CN107556570B (en) | 2017-09-20 | 2017-09-20 | Dibutylbenzene redispersible emulsion powder and preparation method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107556570A true CN107556570A (en) | 2018-01-09 |
| CN107556570B CN107556570B (en) | 2023-07-11 |
Family
ID=60981545
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710851190.1A Active CN107556570B (en) | 2017-09-20 | 2017-09-20 | Dibutylbenzene redispersible emulsion powder and preparation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107556570B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109133811A (en) * | 2018-11-07 | 2019-01-04 | 湖南先锋建材有限公司 | A kind of environmentally protective glue for tile and its preparation process of low consumption peel |
| CN113337058A (en) * | 2021-05-31 | 2021-09-03 | 山东卓俊实业有限公司 | Premixed re-dispersed latex powder and preparation method thereof |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002069198A (en) * | 2000-08-29 | 2002-03-08 | Dai Ichi Kogyo Seiyaku Co Ltd | Synthetic resin powder with good dispersing ability |
| CN101168584A (en) * | 2007-09-28 | 2008-04-30 | 上海东升新材料有限公司 | Redispersable latex powder emulsion, redispersable latex powder and preparation method thereof |
| CN101942164A (en) * | 2009-07-05 | 2011-01-12 | 徐永泽 | Multipurpose redispersible emulsion powder and preparation method thereof |
| CN107129629A (en) * | 2017-06-29 | 2017-09-05 | 北京宝辰联合科技股份有限公司 | A kind of redispersible latex powder and preparation method thereof |
-
2017
- 2017-09-20 CN CN201710851190.1A patent/CN107556570B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002069198A (en) * | 2000-08-29 | 2002-03-08 | Dai Ichi Kogyo Seiyaku Co Ltd | Synthetic resin powder with good dispersing ability |
| CN101168584A (en) * | 2007-09-28 | 2008-04-30 | 上海东升新材料有限公司 | Redispersable latex powder emulsion, redispersable latex powder and preparation method thereof |
| CN101942164A (en) * | 2009-07-05 | 2011-01-12 | 徐永泽 | Multipurpose redispersible emulsion powder and preparation method thereof |
| CN107129629A (en) * | 2017-06-29 | 2017-09-05 | 北京宝辰联合科技股份有限公司 | A kind of redispersible latex powder and preparation method thereof |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109133811A (en) * | 2018-11-07 | 2019-01-04 | 湖南先锋建材有限公司 | A kind of environmentally protective glue for tile and its preparation process of low consumption peel |
| CN109133811B (en) * | 2018-11-07 | 2021-07-27 | 湖南先锋建材有限公司 | Low-consumption anti-falling environment-friendly ceramic tile adhesive and preparation process thereof |
| CN113337058A (en) * | 2021-05-31 | 2021-09-03 | 山东卓俊实业有限公司 | Premixed re-dispersed latex powder and preparation method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107556570B (en) | 2023-07-11 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108947419A (en) | A kind of dedicated mending mortar of structure and preparation method | |
| CN106064911A (en) | A kind of 3D prints with dry-mixed mortar material and preparation thereof and application | |
| CN108947371A (en) | A kind of polymer foil cracking resistance plastering mortar | |
| EP2537818B1 (en) | Cementitious tile adhesives and method of applying the same to a tile substrate | |
| CN108328977B (en) | Concrete repairing material | |
| CN106116324B (en) | A kind of glass microballoon lightweight sound barrier and preparation method thereof | |
| CN107129629A (en) | A kind of redispersible latex powder and preparation method thereof | |
| CN109455973B (en) | Thixotropic agent suitable for 3D printing of sulphoaluminate cement-based material | |
| CN110818360A (en) | Expanded perlite foam light soil and preparation method thereof | |
| CN107556570A (en) | A kind of butylbenzene redispersible latex powder and preparation method thereof | |
| EP2707343B1 (en) | Curing process for concrete | |
| CN113860821B (en) | Green environment-friendly lightweight aggregate concrete and preparation method thereof | |
| CN100369857C (en) | Environmental protection type multi functional putty for scraping walls of architecture | |
| CN108483978B (en) | Cementing agent for regenerated pervious concrete and preparation method and application thereof | |
| CN107446140B (en) | Low-VOC (volatile organic compound) environment-friendly concrete interface treating agent and preparation method thereof | |
| CN102674886B (en) | Process for preparing water glass based concrete curing and reinforcing agent | |
| CN116730680A (en) | High-crack-resistance concrete and preparation method thereof | |
| CN110894150A (en) | Micro-expansion 3D printing ink and preparation method thereof | |
| CN106630871B (en) | A kind of seat slurry and preparation method thereof for filling prefabricated member gap | |
| AU2006275688B2 (en) | Cement-containing composition for use with alkali-resistant fiberglass and poles made therefrom | |
| CN102942316A (en) | Environmental protection type building adhesive | |
| CN102976658B (en) | Special additive for water-permeable concrete and preparation method of special additive | |
| CN107473621B (en) | Preparation method of redispersible rubber powder with excellent comprehensive performance | |
| CN105271955A (en) | Multifunctional paste-shaped plaster and preparation method thereof | |
| CN109081658A (en) | A kind of waterproof polymer mortar and preparation method thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |