CN109400785A - A kind of vinylacetate with damping capacity fixes the sand emulsion preparation method - Google Patents
A kind of vinylacetate with damping capacity fixes the sand emulsion preparation method Download PDFInfo
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- CN109400785A CN109400785A CN201610741663.8A CN201610741663A CN109400785A CN 109400785 A CN109400785 A CN 109400785A CN 201610741663 A CN201610741663 A CN 201610741663A CN 109400785 A CN109400785 A CN 109400785A
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- sand
- vinylacetate
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F218/00—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 acyloxy radical of a saturated carboxylic acid, of carbonic acid or of a haloformic acid
- C08F218/02—Esters of monocarboxylic acids
- C08F218/04—Vinyl esters
- C08F218/08—Vinyl acetate
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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
- C09K17/00—Soil-conditioning materials or soil-stabilising materials
- C09K17/14—Soil-conditioning materials or soil-stabilising materials containing organic compounds only
- C09K17/18—Prepolymers; Macromolecular compounds
- C09K17/20—Vinyl polymers
Abstract
It fixes the sand emulsion preparation method the present invention relates to a kind of vinylacetate with damping capacity.Using ultrasonic emulsification carry out emulsion polymerization, using vinylacetate as main monomer, methyl methacrylate be auxiliary monomer and containing suspended chain long-chain branch acrylic ester monomer be function monomer copolymerization；Use water soluble peroxygen class compound for initiator, using anionic and nonionic emulsifier as composite emulsifying system, having synthesized, there is damping capacity polyvinyl acetate to fix the sand lotion.This product with the strong sand ground of, wind-force big to the temperature difference have excellent adhesive property, resisting wind erosion is strong, free from environmental pollution, useful life longevity is good, preparation method is easy; the advantages that being suitble to large-scale production, it can be used for that the temperature difference is big, the Desertification Control of the strong sand ground of wind-force.
Description
Technical field
It fixes the sand emulsion preparation method present invention relates particularly to a kind of vinylacetate with damping capacity, it is solid to belong to chemistry
Husky field.
Background technique
Desertification just annoyings the world today as extremely important environment and social concern, threaten the mankind existence and
Development, countries in the world are all using containment desertification as the important topic of improvement of the ecological environment and sustainable development.
China is maximum developing country in the world, suffers from the puzzlement of extensive desertification for a long time, is caused serious
Environmental problem.According to " the 5th DESERTIFICATION IN CHINA and desertification situation bulletin " data, by the end of the year in 2014, national desertification
262.16 ten thousand square kilometres of the soil gross area, account for the 27.2% of territory total area, be distributed in the Inner Mongol, Tibet, Gansu, Qinghai,
508 counties (flag, area) in Ningxia, Xinjiang etc. 18 provinces (autonomous region, municipality directly under the Central Government), wherein blow desertification land area 182.63
Ten thousand square kilometres, account for the 69.93% of the Desertification Soil gross area.
Therefore, to contain the development trend of desertification, it is necessary to fix the sand, by decades fix the sand research and practice,
Generally formed three kinds of modes of fixing the sand: vegetative sand control, engineering are fixed the sand and chemical sand-fixing, wherein vegetative sand control Environmental compatibility
Good, engineering is fixed the sand with certain validity, but both has that at high cost, difficulty of construction is big, is restricted etc. and lacks by environmental factor
Point；And chemical sand-fixing have can mechanized construction, cost of labor is low, it is quick the advantages that, be widely adopted at present.It is existing
Chemical sand fixing material be broadly divided into four major class: cement slurry class, waterglass class, oil product class and high score subclass, wherein preceding
Three is low there is sand fixing strength in use and easily causes secondary environmental pollution；In contrast, high molecular material has
Have the advantages that consolidation strength is high, pollution less, Environmental compatibility it is preferable.Therefore, macromolecular sand-fixation material will become ecology and fix the sand material
The research hotspot of material.
But during practical field is fixed the sand, most of macromolecular sand-fixation materials often will appear different degrees of
Wind erosion phenomenon.For example, fixing the sand current year, vegetation growth state is good；And next year of fixing the sand, vegetation growth state are bad.It is main former
Because being: 1) psammophytes used in test is mostly annual species；2) the wind resistance performance of material is weaker, it is difficult to resist
The duration of wind acts on.Therefore, fixed dune will appear different degrees of wind erosion phenomenon.Especially wind-force is strong, the wind phase is long, temperature
The big desert area of difference, wind erosion phenomenon show to be particularly acute, to substantially reduce the service life of sand fixation material, be unfavorable for
The growth of psammophytes slows down the course that sandy soil change to soil.The weaker reason of material wind erosion-resistance performance can be considered as:
Under the continuous effect of wind, sand fixation material leads to material breakage because of wind erosion-resistance performance difference, and actually macromolecular chain occurs
Relative sliding and fracture.Which does, how wind destroy material actually?
In wind kinetics, wind can be considered a kind of alternating force with the different role period.Action period be 10min or with
On wind be known as long period wind, the action period is that several seconds or more than ten seconds wind is known as short cycle wind.Long period wind is generally viewed as quiet
Power effect, short cycle wind are generally viewed as alternating force effect.Therefore, wind is to material there is two kinds of modes of action, and concrete mode is such as
Under:
(1) Static behavior of the wind to material.When static(al) is smaller, creep occurs for high molecular material；It is high when static(al) is larger
Surrender fracture occurs for molecular material.
(2) wind acts on the alternating force of material.When material is acted on by alternating force, high molecular material generates tired and stagnant
Phenomenon afterwards.
The surrender fracture of material is closely related with the Tg of its own.When the Tg of material is close with environment temperature, fracture
It can reach maximum, material is not easy surrender fracture at this time.Under alternating force effect, if the Tg of material is close with environment temperature, this
When, the hysteresis of material is the most obvious, and high molecular material can more convert heat by the in-fighting of itself for alternating force
Can and dissipate.Therefore, Tg decides the complexity of material breakage.
But in desert area, the annual temperature difference is big, and general temperature range is -30 DEG C~60 DEG C.Thus, it is anti-to what is obtained
It is weathering, it is wide and meet the sand fixation material of environment actual temperature change range that Tg range must be prepared.
Based on this thinking, the present invention proposes meter and provides the sand fixation material of damping capacity to be wanted to meet practical field use
It asks.When damping material is near Tg, damping capacity is best, it can be by itself interior friction, by the work of extraneous alternating force
It is dissipated with thermal energy is converted into, is currently used primarily in damping anti-noise field.Suffered by continuous action and damping material based on wind
The concept of damping material is introduced into macromolecular sand-fixation material for the first time by the similitude of the periodical alternating force arrived in itself, this research
In the design of material, reach using its damping characteristic the duration eolian erosion for resisting wind to material, to significantly reduce wind to material
The eolian erosion of material extends fixing the sand the period for material.
Summary of the invention
For main problem existing for current sand fixation material, the object of the present invention is to provide a kind of vinegar with damping capacity
Vinyl acetate fixes the sand emulsion preparation method, solves existing sand fixation material in the desert area that wind-force is strong, the wind phase is long, the temperature difference is big, resists
The problems such as performance of eroding difference and short service life.The lotion sand fixation material prepared using this method has good damping and amortization
The features such as energy, adhesive property and stability, and production cost is low, preparation process is simple.
To achieve the goals above, the technology path that the present invention uses is as follows: a kind of vinyl acetate with damping capacity
Ester fixes the sand emulsion preparation method, includes following three steps.
1) mixed dissolution
By 10~40 parts of vinylacetates, 1~10 part of methyl methacrylate and 1~10 part of acrylic acid of long-chain containing suspended chain
Esters monomer is stirred to obtain mix monomer；0.05~1 part of initiator is dissolved in 10~30 parts of deionized waters；By 0.4
~2 parts of compound emulsifying agents are dissolved in 30~60 parts of deionized waters；0.1~1 part of compound emulsifying agent is dissolved in 10 parts of deionizations
In water and it is fitted into spare in flask.
2) pre-emulsification
Mix monomer is poured into the deionized water dissolved with 0.4~2 part of compound emulsifying agent, ultrasonic 1 in ultrasonic device~
10min obtains the pre-emulsion with obvious blue light.
3) it polymerize
0.1~1 part of compound emulsifying agent is dissolved in 10 parts of deionized waters and be fitted into flask stir and be warming up to 70~
85 DEG C, 1/5 initiator solution is taken, about 5min is added dropwise, slow with constant pressure funnel after 10~15min of initiation reaction
Be added dropwise remaining initiator and pre-emulsion, keep initiator and mix monomer synchronize drip off, emulsion polymerization 3.0~
7.0h is warming up to 85~95 DEG C after reaction, keep the temperature 1.0~3.0h, is cooled to room temperature, discharges to get consolidating with damping capacity
Husky lotion.
According to the above scheme, the blended emulsifier is the compound system of anionic and nonionic emulsifier.Wherein,
Anionic emulsifier and nonionic emulsifier mass ratio are 1: 3~3: 1 in complex emulsifier；Anionic emulsifier
For ammonium dodecyl ether sulfate, lauryl sodium sulfate, Monododecylphosphate potassium, fatty alcohol polyoxyethylene ether ammonium sulfate etc.
Any one of or more than one；Nonionic emulsifier is Cithrol 2ML, the bimonthly osmanthus of polyethylene glycol 200
Acid esters, Cithrol 4ML, polyethylene glycol 400 bilaurate, polyethylene glycol 400 monoleate, polyethylene glycol
400 dioleic acid esters, any one of Span 65, Span 80, Span 85 or more than one.
According to the above scheme, the long chain acrylate containing suspended chain class monomer is hexyl methacrylate, metering system
One or more of misery ester, lauryl methacrylate, octadecyl methacrylate.
According to the above scheme, the initiator be any one of water-soluble potassium peroxydisulfate, ammonium persulfate or it is a kind of with
On.
The action principle that the desert area that the present invention is strong for wind-force, the wind phase is long, the temperature difference is big is administered is as follows:
Wind can be considered as a kind of mechanical force periodically acted on, when material is acted on by extraneous alternating force, if itself has
When having good damping, then, material can convert the thermal energy of itself for more alternating forces and dissipate, and substantially reduce
External forces act on the mechanical damage of itself.
Vinyl acetate emulsion has excellent adhesive property, and there is small channels between the grains of sand, when lotion is sprayed onto
Sandy land surface, droplet just penetrates into sand in vivo, cemented together with the grains of sand, and big drop then forms skinning in sandy land surface, to
After it solidifies, sand ground is fixed.
The class of long chain acrylate containing suspended chain function monomer is introduced in vinylacetate, and gained copolymer can be made to have
Excellent damping capacity.When long-chain is introduced into strand, long side chain can be wound on molecular backbone due to warm-up movement, so that
Intramolecular friction increases, and when by external force, this interior friction can convert thermal energy for more mechanical forces and dissipate, thus
So that materials'use durability greatly improves.
The present invention has the advantage that
(1) vinylacetate is main monomer, from a wealth of sources, cheap, greatly reduces cost of fixing the sand.
(2) addition of the class of long chain acrylate containing suspended chain function monomer, makes it have more excellent damping capacity, this
Sample increases intramolecular friction, so that the external mechanical active force being subject to more is converted into thermal energy and dissipates, so that material
Material useful life longevity greatly improves.
(3) after the useful life longevity of material greatly improves, in the permanently effective inhibition of bonding course energy that sandy soil surface layer is formed
The evaporation of lower part moisture enhances water-retaining property, this provides growing environment steady in a long-term for the growth of Sand-living vegetation, accelerates
The ecological recovery for the desert area that wind-force is strong, the wind phase is long, the temperature difference is big.
Detailed description of the invention
Fig. 1 is the comparison infrared analysis spectrogram of vinyl acetate emulsion in the embodiment of the present invention.
Fig. 2 is the suspended chain long chain acrylate class function monomer Dichlorodiphenyl Acetate vinyl acetate of different amounts in the embodiment of the present invention
The compression strength of lotion influences.
Fig. 3 is the damping capacity comparative analysis figure of vinyl acetate emulsion in the embodiment of the present invention.
Specific embodiment
In order to better understand the present invention, the following examples are to further explanation of the invention, it is necessary to be herein means
Out, following embodiment is served only for that the invention will be further described, should not be understood as limiting the scope of the invention,
The person skilled in the art in the field makes some nonessential modifications and adaptations to the present invention according to aforementioned present invention content, still belongs to
In the scope of the present invention.
Embodiment 1
By 0.3 part of ammonium dodecyl ether sulfate, 0.3 part of Cithrol 4ML, 0.3 part of Span 85 and 40 part
Deionized water mixing dispersion, adds 30 parts of vinylacetates, 5 parts of methyl methacrylates, 5 parts of lauryl methacrylate lists
Body carries out ultrasonic disperse 3min, obtains pre-emulsion.0.15 part of potassium peroxydisulfate is dissolved in 14 parts of deionized waters, it is spare.To
16 parts of deionized waters, 0.1 part of ammonium dodecyl ether sulfate, 0.1 part of Cithrol 4ML, 0.1 are added in reaction kettle
Part Span 85, heating stirring are warming up to 80 DEG C, and after reacting 15min, 1/5 (mass fraction of shared potassium peroxydisulfate gross weight) mistake is added
Potassium sulfate solution keeps the temperature 10min, then, the 3/5 (quality of shared potassium peroxydisulfate gross weight point is slowly added dropwise with constant pressure funnel
Number) initiator and ultrasonic emulsification liquid, keep initiator and all monomers synchronize drip off, time for adding 5.0h is added dropwise to complete
After be warming up to 85 DEG C, keep the temperature 0.5h, 1/5 (mass fraction of shared potassium peroxydisulfate gross weight) then be added dropwise with constant pressure funnel and draws
Agent is sent out, is dripped in 5min, continues to keep the temperature 0.5h, when reacting without obvious reflux, room temperature is down to, discharges to get with damping and amortization
The lotion of fixing the sand of energy.
The characterization of emulsion chemistry structure: lotion is applied on Teflon mould, is dried in a vacuum drying oven, it is taken
Film tests its chemical structure with Nicolet-170SX type Fourier Transform Infrared Spectrometer.Measure wave-number range 500-
4000cm-1。
The preparation of Sha Mo: there is the lotion of fixing the sand of damping capacity to be made into the dilution that solid content is 4% preparation；It weighs
10g sandy soil be uniformly mixed with the above-mentioned dilution of 1.0g the husky mould of preparation (diameter 2.0cm is highly 2.2cm), 80 DEG C of dry 2h,
Up to husky mould.Husky mould after drying is measured into its sand fixing strength with electronic tension tester.
The test of latex film dynamic mechanical analysis: it is carried out on dynamic thermomechanical instrument DMA (NETZSCH DMA242 C/1/G)
Test, using stretch mode, scanning temperature range is -50-100 DEG C, heating rate 10 DEG C/min, frequency 1Hz.Sample size
12mm×6mm×0.8mm。
Fig. 1 is the comparison infrared analysis spectrogram of vinyl acetate emulsion, it can be seen from the figure that the INFRARED SPECTRUM of laboratory sample
There is an absorption peak in 750cm-1 or so in figure, this is the saturation Long carbon chain absorption peak of long-chained monomer, this shows suspended chain long-chain
Monomer successfully with vinylacetate and methyl methacrylate copolymer.Since experiment sample and blank sample difference are to introduce suspension
Chain long-chained monomer, infrared spectrum difference are little.
Fig. 2 is the compression strength of different lauryl methacrylate content polyvinyl acetate emulsions, can from figure
Out, the compression strength of Sha Mo can be improved in the addition of functional monomer, although compression strength can subtract for control sample
Small, but its damping temperature domain broadens, the compression strength of the test specimen in figure is both greater than 0.3MPa substantially, show the lotion have compared with
Good compression strength, is able to take the variation of desert Environment external force.
The damping capacity comparative analysis figure of Fig. 3 vinyl acetate emulsion, as seen from the figure, when tan δ >=0.3, the resistance of control group
Buddhist nun's temperature range is about 50 DEG C or so, and the damping temperature domain of experimental group is greater than 70 DEG C, this shows the introducing of suspended chain long-chained monomer, effectively
Ground improves damping capacity, and the fissipation factor in damping temperature domain is significantly greater than control group, this makes material by external mechanical
The masterpiece used time can convert more external force to the thermal losses of itself within the scope of its damping temperature domain, to improve material
Service life.
Embodiment 2
By 0.4 part of ammonium dodecyl ether sulfate, 0.4 part of Cithrol 4ML, 0.4 part of Span 85 and 40 part
Deionized water mixing dispersion, adds 24 parts of vinylacetates, 3 parts of methyl methacrylates, 5 parts of lauryl methacrylate lists
Body carries out ultrasonic disperse 3min, obtains pre-emulsion.0.2 part of potassium peroxydisulfate is dissolved in 14 parts of deionized waters, it is spare.To anti-
Answer addition 16 parts of deionized waters, 0.1 part of ammonium dodecyl ether sulfate, 0.1 part of Cithrol 4ML, 0.1 part in kettle
Span 85, heating stirring are warming up to 80 DEG C, and after reacting 15min, 1/5 (mass fraction of shared potassium peroxydisulfate gross weight) over cure is added
Then 3/5 (mass fraction of shared potassium peroxydisulfate gross weight) is slowly added dropwise with constant pressure funnel in sour potassium solution, heat preservation 10min
Initiator and ultrasonic emulsification liquid, keep initiator and all monomers synchronize drip off, time for adding 4.0h rises after being added dropwise to complete
Temperature keeps the temperature 0.5h to 85 DEG C, and 1/5 (mass fraction of shared potassium peroxydisulfate gross weight) then is added dropwise with constant pressure funnel and causes
Agent drips in 5min, continues to keep the temperature 0.5h and is down to room temperature when reaction is without obvious reflux, discharges to get with damping capacity
Lotion of fixing the sand.
Embodiment 3
By 0.2 part of ammonium dodecyl ether sulfate, 0.4 part of Cithrol 4ML, 0.3 part of Span 85 and 40 part
Deionized water mixing dispersion, adds 30 parts of vinylacetates, 3 parts of methyl methacrylates, 7 parts of lauryl methacrylate lists
Body carries out ultrasonic disperse 5min, obtains pre-emulsion.0.2 part of potassium peroxydisulfate is dissolved in 14 parts of deionized waters, it is spare.To anti-
Answer addition 16 parts of deionized waters, 0.1 part of ammonium dodecyl ether sulfate, 0.1 part of Cithrol 4ML, 0.1 part in kettle
Span 85, heating stirring are warming up to 80 DEG C, and after reacting 15min, 1/5 (mass fraction of shared potassium peroxydisulfate gross weight) over cure is added
Then 3/5 (mass fraction of shared potassium peroxydisulfate gross weight) is slowly added dropwise with constant pressure funnel in sour potassium solution, heat preservation 10min
Initiator and ultrasonic emulsification liquid, keep initiator and all monomers synchronize drip off, time for adding 6.0h rises after being added dropwise to complete
Temperature keeps the temperature 0.5h to 85 DEG C, and 1/5 (mass fraction of shared potassium peroxydisulfate gross weight) then is added dropwise with constant pressure funnel and causes
Agent drips in 5min, continues to keep the temperature 0.5h and is down to room temperature when reaction is without obvious reflux, discharges to get with damping capacity
Lotion of fixing the sand.
Embodiment 4
By 0.3 part of ammonium dodecyl ether sulfate, 0.3 part of Cithrol 4ML, 0.3 part of Span 85 and 40 part
Deionized water mixing dispersion, adds 24 parts of vinylacetates, 3 parts of methyl methacrylates, 3 parts of lauryl methacrylate lists
Body carries out ultrasonic disperse 3min, obtains pre-emulsion.0.15 part of potassium peroxydisulfate is dissolved in 14 parts of deionized waters, it is spare.To
16 parts of deionized waters, 0.1 part of ammonium dodecyl ether sulfate, 0.1 part of Cithrol 4ML, 0.1 are added in reaction kettle
Part Span 85, heating stirring are warming up to 80 DEG C, and after reacting 15min, 1/5 (mass fraction of shared potassium peroxydisulfate gross weight) mistake is added
Potassium sulfate solution keeps the temperature 10min, then, the 3/5 (quality of shared potassium peroxydisulfate gross weight point is slowly added dropwise with constant pressure funnel
Number) initiator and ultrasonic emulsification liquid, keep initiator and all monomers synchronize drip off, time for adding 5.0h is added dropwise to complete
After be warming up to 85 DEG C, keep the temperature 0.5h, 1/5 (mass fraction of shared potassium peroxydisulfate gross weight) then be added dropwise with constant pressure funnel and draws
Agent is sent out, is dripped in 5min, continues to keep the temperature 0.5h, when reacting without obvious reflux, room temperature is down to, discharges to get with damping and amortization
The lotion of fixing the sand of energy.
Claims (4)
- A kind of emulsion preparation method 1. vinylacetate with damping capacity fixes the sand, it is characterised in that following steps: each original is pressed Expect the number meter of shared quality, which is by 50~100 parts of deionized water, 0.5~3 part of compound emulsifying agent, vinylacetate 10~40 parts, 1~10 part of methyl methacrylate, 1~10 part of the class of long chain acrylate containing suspended chain monomer and initiator 0.05~1 part；Under conditions of test temperature is 50~95 DEG C and the reaction time is 4~10h, cream is carried out after ultrasonic emulsification Liquid copolyreaction preparation；Its lotion preparation process includes mixed dissolution, ultrasonic emulsification, polymerization；1) mixed dissolutionBy 10~40 parts of vinylacetates, 1~10 part of methyl methacrylate and 1~10 part of class of long chain acrylate containing suspended chain Monomer is stirred to obtain mix monomer；0.05~1 part of initiator is dissolved in 10~30 parts of deionized waters；By 0.4~2 part Compound emulsifying agent is dissolved in 30~60 parts of deionized waters；0.1~1 part of compound emulsifying agent is dissolved in 10 parts of deionized waters simultaneously It is fitted into spare in flask；2) pre-emulsificationMix monomer is poured into the deionized water dissolved with 0.4~2 part of compound emulsifying agent, 1~10min of ultrasound in ultrasonic device Obtain the pre-emulsion with obvious blue light；3) it polymerize0.1~1 part of compound emulsifying agent is dissolved in 10 parts of deionized waters and is fitted into flask and stirs and be warming up to 70~85 DEG C, 1/5 initiator solution is taken, about 5min is added dropwise, and after 10~15min of initiation reaction, is slowly added dropwise with constant pressure funnel surplus Remaining initiator and pre-emulsion, keep initiator and mix monomer synchronize drip off, 3.0~7.0h of emulsion polymerization reacts After be warming up to 85~95 DEG C, keep the temperature 1.0~3.0h, be cooled to room temperature, discharge to get the lotion of fixing the sand with damping capacity.
- The emulsion preparation method 2. a kind of vinylacetate with damping capacity according to claim 1 fixes the sand, feature It is that the blended emulsifier is the compound system of anionic and nonionic emulsifier；Wherein, negative in complex emulsifier Ionic emulsifying agent and nonionic emulsifier mass ratio are 1: 3~3: 1；Anionic emulsifier is lauryl ether sulfuric acid Any one of ammonium, lauryl sodium sulfate, Monododecylphosphate potassium, fatty alcohol polyoxyethylene ether ammonium sulfate or it is a kind of with On；Nonionic emulsifier is Cithrol 2ML, polyethylene glycol 200 bilaurate, polyethylene glycol 400 list Laurate, polyethylene glycol 400 bilaurate, polyethylene glycol 400 monoleate, polyethylene glycol 400 dioleic acid ester, Span 65, any one of Span 80, Span 85 or more than one.
- The emulsion preparation method 3. a kind of vinylacetate with damping capacity according to claim 1 fixes the sand, feature It is that the class monomer of long chain acrylate containing suspended chain is hexyl methacrylate, 2-Propenoic acid, 2-methyl-, octyl ester, lauryl One or more of ester, octadecyl methacrylate.
- The emulsion preparation method 4. a kind of vinylacetate with damping capacity according to claim 1 fixes the sand, feature Be the initiator be any one of water-soluble potassium peroxydisulfate, ammonium persulfate or more than one.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113024710A (en) * | 2021-03-31 | 2021-06-25 | 陕西科技大学 | Alcohol-soluble hydrophobic cross-linking type environment-friendly quick-drying ecological soil sand-fixing agent and preparation method thereof |
| CN113956410A (en) * | 2021-11-11 | 2022-01-21 | 顶立新材料科技有限公司 | Bio-based polyvinyl acetate emulsion and preparation method thereof |
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| CN105273722A (en) * | 2014-06-13 | 2016-01-27 | 中国石油化工集团公司 | Sand solidification method |
| CN106432588A (en) * | 2016-10-31 | 2017-02-22 | 郑州安邦达水性材料有限公司 | Preparation method of acrylic emulsion for damping paints |
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| CN113024710A (en) * | 2021-03-31 | 2021-06-25 | 陕西科技大学 | Alcohol-soluble hydrophobic cross-linking type environment-friendly quick-drying ecological soil sand-fixing agent and preparation method thereof |
| CN113956410A (en) * | 2021-11-11 | 2022-01-21 | 顶立新材料科技有限公司 | Bio-based polyvinyl acetate emulsion and preparation method thereof |
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