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CN107913649A - Thixotroping multiplication agent and the silicate cement dispersion gel containing it - Google Patents

Thixotroping multiplication agent and the silicate cement dispersion gel containing it Download PDF

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Publication number
CN107913649A
CN107913649A CN201610888313.4A CN201610888313A CN107913649A CN 107913649 A CN107913649 A CN 107913649A CN 201610888313 A CN201610888313 A CN 201610888313A CN 107913649 A CN107913649 A CN 107913649A
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CN
China
Prior art keywords
thixotroping
agent
silicate
multiplication agent
multiplication
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201610888313.4A
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Chinese (zh)
Inventor
梁栋
王永仙
刘宇辰
梁宇
郭丽潇
邓少刚
张文俊
于伟跃
王旭东
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China Institute for Radiation Protection
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China Institute for Radiation Protection
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Application filed by China Institute for Radiation Protection filed Critical China Institute for Radiation Protection
Priority to CN201610888313.4A priority Critical patent/CN107913649A/en
Publication of CN107913649A publication Critical patent/CN107913649A/en
Pending legal-status Critical Current

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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J13/00Colloid chemistry, e.g. the production of colloidal materials or their solutions, not otherwise provided for; Making microcapsules or microballoons
    • B01J13/0052Preparation of gels
    • B01J13/0065Preparation of gels containing an organic phase

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  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Dispersion Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Adhesives Or Adhesive Processes (AREA)

Abstract

The invention belongs to field of gel, is related to thixotroping multiplication agent and the silicate cement dispersion gel containing it.The thixotroping multiplication agent is the slightly sticky thick liquid of aqueous milky, wherein containing by mass percentage:Surfactant 10 20%, stabilizer 2 5%, emulsifying agent 3 8%, preservative 0.5 1%.The silicate cement dispersion gel of the multiplication agent containing thixotroping contains the thixotroping multiplication agent for the silicate CM 20 and 0.2 2% that mass percent concentration is 1 6%.The thixotroping multiplication agent of the present invention is nonpoisonous and tasteless, and aqueous, environmental protective, is added in 20 water dispersion gels of silicate CM, addition is convenient, and the thixotropic property of gel can be substantially improved rapidly, without side-effects, the preparation process of 20 gels of silicate CM can be greatly simplified at the same time, reduce manufacturing cost.

Description

Thixotroping multiplication agent and the silicate cement dispersion gel containing it
Technical field
The invention belongs to field of gel, is related to thixotroping multiplication agent and the silicate cement dispersion gel containing it.
Background technology
Gel is a kind of special fluid, has good thixotropy.(no specified otherwise, refers to and just touches so-called thixotropy Denaturation) refer to system when being acted on be subject to shearing force, system viscosity reduces, in favor of construction;After shearing force is removed, system Viscosity higher was returned within several seconds, it is occurred without sagging in facade, top surface.Thixotropy is the importance of gel rubber system Can, it directly influences the appearance of gel rubber system, the performance such as workability and storage stability.
Thixotropic agent is to provide thixotropic important substance for gel, and common thixotropic agent has:Silicate, organobentonite, two Silica, polyamide wax, rilanit special etc..Wherein, silicate CM-20 is due to its particle diameter very little, and specific surface area is very big, surface Strong adsorption force, surface energy is big, and performance is special, in water the dispersible colloid for forming transparence, thus frequently as thixotropic agent in crowd More scientific domain extensive uses, the rheological equationm of state of formula system can greatly be changed by adding the appropriate material.
Research shows:Gel containing 1%, 2% silicate CM-20 is in fluidised form substantially, and mobility is preferable, and thixotropy is not strong, Sag resistance is poor;Gel containing 3%, 4%, 5% silicate CM-20 has showed the state of gel, and poor fluidity, has one Determine thixotropy, there is certain sag resistance;Gel containing more than 6% silicate CM-20 shows the characteristic of gel completely, does not have Have mobility, thixotropy is very strong, can as the cream on birthday cake surface, keep thicker coating in facade and top surface and Not sagging.
But containing the gel of more than 6% silicate CM-20, its prepare it is complex because the silicate that density is minimum CM-20 powder volumes are very big, it is difficult to are mixed into water, and are uniformly mixed extremely difficult, it is necessary to which the mulser of tens thousand of rotating speeds divides Dissipate.Since the other mulser price of laboratory level reaches tens thousand of members, the mulser of factory-level is even more to have reached hundreds thousand of members, this Just huge human cost, financial cost are brought to experiment and production silicate CM-20 gels.
The content of the invention
The present invention primary and foremost purpose provide thixotroping multiplication agent, with nonpoisonous and tasteless at its, on the basis of aqueous, environmental protective, when by its When being added in silicate CM-20 water dispersion gels, addition is convenient, and the thixotropic property of gel, no secondary work can be substantially improved rapidly With, while the preparation process of silicate CM-20 gels can be greatly simplified, reduce manufacturing cost.
In order to achieve this, basis embodiment in, the present invention provide thixotroping multiplication agent, its for aqueous milky slightly Thick liquid, wherein containing by mass percentage:Surfactant 10-20%, stabilizer 2-5%, emulsifying agent 3-8%, anti-corrosion Agent 0.5-1%.
In a preferred embodiment, the present invention provides thixotroping multiplication agent, wherein the surfactant is selected from One kind in lecithin, triethanolamine, turkey red oil or with the several of arbitrary proportion mixing.
In a preferred embodiment, the present invention provides thixotroping multiplication agent, wherein the stabilizer is selected from carboxylic first Base cellulose, PVC stabilizers, one kind in phosphorous vinegar are mixed several with arbitrary proportion.
In a preferred embodiment, the present invention provides thixotroping multiplication agent, wherein the emulsifying agent is selected from fat Sour monoglyceride, polyvinyl alcohol, one kind in modified turkey red oil are mixed several with arbitrary proportion.
In a preferred embodiment, the present invention provide thixotroping multiplication agent, wherein the preservative be selected from Kathon CG, One kind in salicylic acid or two kinds with arbitrary proportion mixing.
In a preferred embodiment, the present invention provides thixotroping multiplication agent, it further contains mass percent 0- 15% other surfactant, the other surfactant are selected from fluorocarbon surfactant, Tween 80, aliphatic acid One kind in glyceride or with the several of arbitrary proportion mixing.
In a preferred embodiment, the present invention provides thixotroping multiplication agent, it further contains mass percent 0- 2% defoamer, one kind in mineral oil, n-octyl alcohol, silicone emulsion of the defoamer or with arbitrary proportion mixing It is several.
Second object of the present invention is to provide the preparation method of the thixotroping multiplication agent, it is to be sufficiently mixed various groups Into component, high-speed stirred be placed in after five minutes in 60 DEG C of incubators insulation 24 it is small when, afterwards with incubator together natural cooling.
The thixotroping multiplication agent prepared, it is salable to be stored in reagent bottle, in use, only needing appropriate thixotroping multiplication agent It is added to and is not sufficiently stirred in silicate CM-20 gel semi-finished product, together completes subsequently to be uniformly mixed with silicate CM-20 gels Step.
Third object of the present invention is to provide the silicate CM-20 water dispersion gels containing the thixotroping multiplication agent, It is convenient to prepare, simplify preparation process, reduce manufacturing cost, thixotropic property is substantially improved rapidly.
In order to achieve this, in the embodiment on basis, the present invention provides the silicate CM-20 water of the multiplication agent containing thixotroping Dispersion gel, wherein the thixotroping multiplication containing the silicate CM-20 and 0.2-2% that mass percent concentration is 1-6% Agent.
In a preferred embodiment, the present invention provides the silicate CM-20 water dispersion gels of the multiplication agent containing thixotroping, The thixotroping multiplication agent wherein containing the silicate CM-20 and 0.5-1% that mass percent concentration is 3-5%.
The thixotroping multiplication agent of the present invention is added to the silicon that the multiplication agent containing thixotroping is prepared in silicate CM-20 water dispersion gels Hydrochlorate CM-20 water dispersion gels, specific advantage are:
1) thixotroping multiplication effect is obvious:Silicate CM-20 water dispersed gel systems more than 3% concentration, add 1% touch Become multiplication agent, thixotropic property is double.
2) it is without side-effects:Only improve thixotropic property, influence is showed no on other physicochemical properties.
3) it is easy to use, it is quick:In use, being added directly in silicate CM-20 gels, fully mix, number It can achieve the desired results after minute.
4) preparation process of silicate CM-20 gels is greatly simplified:After adding thixotroping multiplication agent, because silicate CM-20 Powder additive amount greatly reduces, and can be uniformly dispersed by simple agitation, without emulsification.;
5) cost is reduced:Silicate CM-20 is expensive, and addition thixotroping multiplication agent can reduce silicate CM-20 uses Amount;In preparation process, reduce high speed emulsifying process, save installation cost and manpower and materials.
6) it is nonpoisonous and tasteless, do not injure staff;Aqueous, environmental protective, it is environmental-friendly.
Brief description of the drawings
Fig. 1 is the thixotropic loop figure that the around-France measure of thixotroping of embodiment 1 is drawn.
Fig. 2 is the thixotropic loop figure that the around-France measure of thixotroping of embodiment 2 is drawn.
Fig. 3 is the system thixotroping structure regeneration rate experimental result of embodiment 3.
Embodiment
The embodiment of the present invention is further illustrated below in conjunction with attached drawing, if the concentration in text does not have Particularly point out, refer both to mass percent concentration.
Embodiment 1:Add preparation and the thixotropy of 3% silicate CM-20 water dispersion gels of not same amount thixotroping multiplication agent It can examine
Preparing the silicate CM-20 water dispersion gel containing 3% silicate CM-20, (silicate CM-20 water dispersion gel is bought From Guangzhou Xuan Ning Chemical Industry Science Co., Ltd), two parts are divided into, a copy of it adds 1% thixotroping multiplication agent and (contains:Triethanolamine 11%th, methylcellulose 4%, glycerine monofatty ester 4%, Kathon CG 0.5%, fluorocarbon surfactant 3%), another does not add Add thixotroping multiplication agent, draw its thixotropic loop figure by the around-France measure of thixotroping respectively, acquired results are as shown in Figure 1.
Thixotroping ring test is to characterize a kind of common method of fluid thixotropic, three cycles of experiment point:Period 1 and Shear rate linear scan is improved and reduced respectively by three cycles, and shear rate is maintained at higher level by second round.Measure Whole shear stress curve, uplink curve and downlink curve can iris out a hysteresis area, and the area is with destroying thixotroping structure Required energy is directly proportional, and the value of this area is called thixotroping energy, can representation system to a certain extent thixotropy size. Thixotroping can be bigger, and system thixotropy is stronger.
As seen from Figure 1, the system after 1% thixotroping multiplication agent is added, its thixotropy has very big change.Test result shows: The system of thixotroping multiplication agent is not added with, thixotroping can be 531.24J;The system of 1% thixotroping multiplication agent is added, thixotroping can reach 1224.85J.As it can be seen that the addition of thixotroping multiplication agent, effectively improves system thixotropic property.
Embodiment 2:Add preparation and the thixotropy of 5% silicate CM-20 water dispersion gels of not same amount thixotroping multiplication agent It can examine
The silicate CM-20 water dispersion gels containing 5% silicate CM-20 are prepared, three parts is divided into, adds 0% respectively, 0.5%, (composition is for 1.0% thixotroping multiplication agent:Triethanolamine 11%, methylcellulose 4%, glycerine monofatty ester 4%, card Pine 0.5%, fluorocarbon surfactant 3%), it is uniformly mixed, draws the thixotropic loop figure of three samples by the around-France measure of thixotroping respectively Shape, acquired results are as shown in Figure 2.
From Figure 2 it can be seen that the sample of addition 0.5% thixotroping multiplication agent, thixotropic property have been lifted than blank sample, added The sample of 1.0% thixotroping multiplication agent, thixotropy are obviously improved.
Embodiment 3:Add the thixotroping structural remodeling experiment of the silicate CM-20 water dispersion gels of thixotroping multiplication agent
After the addition of viscosity recovery curve test characterization not same amount thixotroping multiplication agent, the reconstruction of gel rubber system thixotroping structure Speed.
In producing and living, what people focused more on is the sag resistance that coating or glue coat system later, i.e. body It is the regeneration rate of thixotroping structure (viscosity).Generally gel rubber system is destroyed as far as possible in laboratory using higher shear rate to touch Structure changes, then stop shearing, system are measured using alap shear rate (as long as can measure valid data) Viscosity recovery situation.System viscosity recovers more high faster, then system thixotropy is better.
(contain to provide thixotropic glue system with silicate CM-20 gels:Silicate CM-20 4%, citric acid 5%th, polyurethane 6%, castor oil 3.5%, n-octyl alcohol 0.5%, methyl hydroxybenzoate 0.5%, remaining be water) in, with the addition of difference (composition is for the thixotroping multiplication agent of content:Triethanolamine 11%, methylcellulose 4%, glycerine monofatty ester 4%, Kathon CG 0.5%th, fluorocarbon surfactant 3%), using above method appraisement system thixotroping structure regeneration rate, the results are shown in Figure 3.
As seen from Figure 3, the glue system of thixotroping multiplication agent is with the addition of, thixotroping structure regeneration rate has very big lifting, especially It is the system for adding 1% and the above, not only regeneration rate improves, and attainable highest viscosity is greatly enhanced, this is right Construction is very favorable.
By above example 1-3 as it can be seen that the thixotroping multiplication agent of the present invention, can effectively lift silicate CM-20 gels Thixotropic property, reduces silicate CM-20 usage amounts, so as to simplify preparation process, saves every cost.Therefore, it is of the invention to touch Change multiplication agent is a kind of for all kinds of very effective thixotropings multiplication agent using silicate CM-20 as the system of thixotropic agent.
Obviously, various changes and modifications can be made to the invention without departing from essence of the invention by those skilled in the art God and scope.If in this way, belong to the model of the claims in the present invention and its equivalent technology to these modifications and changes of the present invention Within enclosing, then the present invention is also intended to comprising including these modification and variations.Above-described embodiment or embodiment are simply to the present invention For example, the present invention can also be implemented with other ad hoc fashions or other particular form, without departing from the present invention's Main idea or substantive characteristics.Therefore, it is regarded as from the point of view of the embodiment of description is in terms of any illustrative and non-limiting.This The scope of invention should be illustrated that any change equivalent with the intention of claim and scope should also be included by appended claims Within the scope of the invention.

Claims (10)

  1. The agent 1. thixotroping is doubled, it is characterized in that it is the slightly sticky thick liquid of aqueous milky, wherein containing by mass percentage:Live on surface Property agent 10-20%, stabilizer 2-5%, emulsifying agent 3-8%, preservative 0.5-1%.
  2. The agent 2. thixotroping according to claim 1 is doubled, it is characterized in that the surfactant is selected from lecithin, three ethanol One kind in amine, turkey red oil or with the several of arbitrary proportion mixing.
  3. The agent 3. thixotroping according to claim 1 is doubled, it is characterized in that the stabilizer is selected from carboxymethyl cellulose, PVC Mixed with one kind in stabilizer, phosphorous vinegar or with arbitrary proportion several.
  4. The agent 4. thixotroping according to claim 1 is doubled, it is characterized in that the emulsifying agent is selected from glycerine monofatty ester, gathers Vinyl alcohol, one kind in modified turkey red oil are mixed several with arbitrary proportion.
  5. The agent 5. thixotroping according to claim 1 is doubled, it is characterized in that the preservative in Kathon CG, salicylic acid one Two kinds for planting or being mixed with arbitrary proportion.
  6. The agent 6. thixotroping according to claim 1 is doubled, it is characterized in that further containing mass percent 0-15% in addition Surfactant, the other surfactant is in fluorocarbon surfactant, Tween 80, fatty glyceride It is a kind of or with arbitrary proportion mixing it is several.
  7. The agent 7. thixotroping according to claim 1 is doubled, it is characterized in that the defoaming further containing mass percent 0-2% Agent, one kind in mineral oil, n-octyl alcohol, silicone emulsion of the defoamer or with the several of arbitrary proportion mixing.
  8. 8. according to the preparation method of any thixotroping multiplication agent of claim 1-7, it is characterized in that being sufficiently mixed various compositions Component, high-speed stirred be placed in after five minutes in 60 DEG C of incubators insulation 24 it is small when, afterwards with incubator together natural cooling.
  9. 9. the silicate CM-20 water dispersion gels of the multiplication agent containing thixotroping, it is characterized in that being 1- wherein containing mass percent concentration Any thixotroping multiplication agent of claim 1-7 of 6% silicate CM-20 and 0.2-2%.
  10. 10. water dispersion gel according to claim 9, it is characterized in that being 3-5%'s wherein containing mass percent concentration Any thixotroping multiplication agent of claim 1-7 of silicate CM-20 and 0.5-1%.
CN201610888313.4A 2016-10-11 2016-10-11 Thixotroping multiplication agent and the silicate cement dispersion gel containing it Pending CN107913649A (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109799528A (en) * 2019-01-17 2019-05-24 中国辐射防护研究院 Oxidation gel and preparation method thereof for the sampling of radioactive pollution metal shallow-layer

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Publication number Priority date Publication date Assignee Title
JPH05272182A (en) * 1990-12-21 1993-10-19 Nichias Corp Fireproof coating formation method
CN101170904A (en) * 2005-03-07 2008-04-30 戴博全球保健有限公司 High alcohol content foaming compositions containing silicone based surfactants
CN101401773A (en) * 2008-10-28 2009-04-08 郁承耀 Attapulgite shaving gel rubber
CN105051122A (en) * 2013-03-11 2015-11-11 比克化学股份有限公司 Thixotropy-increasing additive and composition containing said additive
CN105419438A (en) * 2015-12-30 2016-03-23 李栋军 Novel paint auxiliary agent

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH05272182A (en) * 1990-12-21 1993-10-19 Nichias Corp Fireproof coating formation method
CN101170904A (en) * 2005-03-07 2008-04-30 戴博全球保健有限公司 High alcohol content foaming compositions containing silicone based surfactants
CN101401773A (en) * 2008-10-28 2009-04-08 郁承耀 Attapulgite shaving gel rubber
CN105051122A (en) * 2013-03-11 2015-11-11 比克化学股份有限公司 Thixotropy-increasing additive and composition containing said additive
CN105419438A (en) * 2015-12-30 2016-03-23 李栋军 Novel paint auxiliary agent

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109799528A (en) * 2019-01-17 2019-05-24 中国辐射防护研究院 Oxidation gel and preparation method thereof for the sampling of radioactive pollution metal shallow-layer
CN109799528B (en) * 2019-01-17 2022-08-19 中国辐射防护研究院 Oxidized gel for sampling radioactive contaminated metal shallow layer and preparation method thereof

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