CN1015632B - Surface coating agents and uses thereof - Google Patents
Surface coating agents and uses thereofInfo
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- CN1015632B CN1015632B CN 85108220 CN85108220A CN1015632B CN 1015632 B CN1015632 B CN 1015632B CN 85108220 CN85108220 CN 85108220 CN 85108220 A CN85108220 A CN 85108220A CN 1015632 B CN1015632 B CN 1015632B
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- polymer emulsion
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Abstract
The present invention relates to surface coating material which is composed of a main component and synthetic polymer emulsion, wherein the main component is mainly composed of silicon oxide, calcium oxide and iron oxide, the synthetic polymer emulsion is mainly composed of carboxyl group modified styrene-butadiene synthetic polymer, and a proportion of the main component to the synthetic polymer emulsion is 2.0 to 6.0: 1. When the surface coating material is coated on crackled concrete, elastic and permeable gaps of the surface coating material can make a concrete structure withstand intense changes of ambient temperature. When the surface coating material of the present invention permeates and cause metal to be rusted, the surface coating material and metal ions bonded to form a firm oxidation protection film by using oxidation characteristics of metal ionic bonds.
Description
How to prevent concrete the crack to occur is the problem that the architect feels headache for many years always.Expended a large amount of money in order to repair these cracks year after year.
Concrete is a kind of hard brittle material on substantially, from the mud state to the solidification process of solid state change, itself can shrink.In the solidification process owing to be easy to be subjected to surrounding temperature, the influence of external force and pressure change, it almost is inevitable producing the crack.
Because the mutual balance of above-mentioned various variations, the crack makes concrete become fragile, its rigidity and strength degradation, and final, one-piece construction is destroyed.
Up to the present, mortar is commonly used to protect concrete in order to avoid crack or other fracture.Yet on physical property, prevent from the generation of crackle to be not enough to reach the ideal effect with mortar.
Simultaneously, iron is meeting and oxygen and other material (chlorine, fluorine gas and sulphur dioxide) in air, also has bacterium to react, and causes corrosion and corrosion.
In order to prevent that iron or other material from this class corrosion and corrosion taking place, and has developed various surface coating agents easy to use, as the metal especially topcoating of iron.
Yet the difference between metallic matrix and the coating on temperature expansion speed has caused paint aging, and shortened its work-ing life.
In addition, some topcoating is coated on the plastics, can improves its ageing resistance.But, the above-mentioned not anti-use of filming; They are difficult to firmly and muchly stick on the metallic matrix, can be easy to peel off.
In various surface coating agents, organic solvent type coating has good adhesive force and weather resistance comparatively speaking, but in use exists the problem of environmental pollution that brings owing to solvent evaporation.
On the contrary, the environmental pollution of a kind of coating of emulsion-type generation is then less.But it is then comparatively inferior aspect adhesivity and weather resistance to film.In addition, they can corrode the metal that is coated with.
Therefore, it is strong to the objective of the invention is to propose a kind of adhesive power, durable in use, anticorrosive, generally is applicable to various surfaces and to being coated with the topcoating that has no adverse effects with environment.
Another object of the present invention is the various effective ways that propose to use above-mentioned topcoating.
Invention in view of the above, topcoating is made up of a kind of major ingredient and a kind of synthetic polymer emulsion, the former mainly is made up of white cement, silica sand, ferric oxide, zinc oxide and glycine, mainly by forming with carboxy-modified styrene butadiene synthetic polymer, major ingredient is 2.0～6.0: 1 with the ratio of synthetic polymer to the latter.
Be coated with the concrete that is stamped crackle with above-mentioned topcoating, the retractility of coating and perviousness joint filling meeting make concrete structure withstand the acute variation of surrounding temperature.
When topcoating of the present invention infiltrates and causes that metal gets rusty, utilize the oxidation characteristic of metal ion key, coating and metal ion bonding form firm protective oxide layer.
Fig. 1 is the cross-sectional view on a floor, and repairing has been done with the method that the present invention second implements example 1 in the part in this floor.
Fig. 2 is the enlarged view on an above-mentioned floor.
Fig. 3 is the explanatory view of expression concrete panel assembly position on the floor.
Fig. 4 is the cross-sectional view on a floor, and repairing has been done with the method that the present invention second implements example 2 in the part in this floor.
Fig. 5 is the cross-sectional view on a floor, and repairing has been done with second modification method of implementing in the part in this floor.
Fig. 6 is the cross-sectional view on a floor, and this floor is implemented the method that example 3 is said in the part with second and done repairing.
Fig. 7 is an orthographic plan along the above-mentioned floor under I among Fig. 6-I line intercepting.
Fig. 8 is the cross-sectional view of a steel bridge pier plate, and this piling bar plate is implemented the method that example 5 is said in the part with second and done repairing.
Fig. 9 is the synoptic diagram of a piling bar plate after the repairing.
Figure 10 is the synoptic diagram of the piling bar plate after another repairing.
Figure 11 is the cross-sectional view of an employed water board in the method that the second enforcement part example 6 is introduced.
Figure 12 explanatory view, how it showed around piling bar the method for water board on the winding up.
Figure 13 is the synoptic diagram of a piling bar after the repairing.
Figure 14 is the explanatory view that the method that part example 6 introduced is implemented in anticipatory remark invention second.
Figure 15 is the cross-sectional view that a method according to example 6 is equipped with the substrate of brick.
Best implementing method of the present invention will be discussed hereinafter in detail.
(first implements part)
This implements part and discloses the production process of topcoating of the present invention and the characteristic of this topcoating.
That at first will be illustrated is the preparation method of synthetic polymer emulsion.
This emulsion is preferably by the method preparation of being showed in following example 1 and the example 2.
Example 1
With carboxy-modified styrene butadiene
The composition 13%(W that polymer latex constitutes)
Cyclohexyl methacrylate-vinylbenzene
Fatty acid sodium soap 1%(W)
Water 30%(W)
Above-mentioned substance mixes by following order.
At first, fatty acid sodium soap is water-soluble, will slowly add in the aqueous soup solution through carboxy-modified styrene-butadiene-copolymer latex while stirring.Then, add cyclohexyl methacrylate-styrene copolymer latices equally.
Like this, just formed the water dispersion of these polymkeric substance.
Example 2
With carboxy-modified styrene butadiene
The composition 13%(W that polymer latex constitutes)
Styrene polymer latex 28%(W)
Cyclohexyl methacrylate polymkeric substance 28%(W)
Fatty acid sodium soap 1%(W)
Water 30%(W)
These materials mix by following order.
Earlier fatty acid sodium soap is dissolved in water, slowly add carboxy-modified styrene butadiene latex polymer and styrene polymer latex while stirring then, then add the cyclohexyl methacrylate polymkeric substance in the same way, so just obtained the water dispersion of these polymkeric substance.
In two kinds of used synthetic polymer emulsion latex, all contain 40～50% solid.
The example of a composition is arranged here, and introduced one of them blended method mutually of following major ingredient and above-mentioned two kinds of synthetic polymer emulsions.
The typical case of major ingredient forms:
White cement 28%(W)
Silica sand (SiO
2) 71%(W)
Iron powder (Fe
3O
4) 0.2%(W)
Zinc oxide (ZnO) 0.1%(W)
Titanium white (TiO
2) 0.1%(W)
Glycine 0.6%(W)
Each component is pressed following weight ratio in the white cement:
CaO 65.4%（W）
SiO
223.1%（W）
Fe
2O
30.2%（W）
Ignition loss 2.7%(W)
Insolubles 0.2%(W)
Al
2O
34.3%（W）
MgO 0.6%（W）
SO
32.8%（W）
Other 0.7%(W)
Major ingredient mixes with following method.
With unprocessed silica sand roasting, remove organic impurity, be finely ground to diameter then and be 50～150 microns particle.
The fine powder silica sand is put into mixing tank, slowly add white cement and mix with sand.Add iron powder (Fe more successively
3O
4), zinc oxide (ZnO), titanium white (TiO
2) and glycine, with various component uniform mixing.
Will introduce below that a kind of one of them mixes mutually by above-mentioned major ingredient and two kinds of synthetic polymer emulsions, with the typical method of preparation topcoating.
If want on one square metre surface, to form filming of 0.6～1.0 mm thick, need the above-mentioned major ingredient of 1250 grams and the mixture that 357 synthetic polymer emulsions that restrain are formed.Mixing process comprises following several steps: in the container of earlier synthetic polymer emulsion being packed into, slowly add major ingredient while stir in 3～5 minutes time, the limit adds the waterside stirring then, to reaching the needed viscosity of coating.
In the example in front, be 1: 3.5 though the ratio of synthetic polymer emulsion and major ingredient uses, this ratio can change between 1: 2.0～1: 6.0.
When ratio was 1: 2.0, topcoating had good flowability, and it can easily insert the micro-cracks that forms in the concrete by pressure pump.
Yet, if ratio less than 2.0, topcoating mobile excessive, the result descends its adhesive power.
Simultaneously, if ratio is 6.0, topcoating can be used to fill up the outside depression that forms of concrete.
Yet if ratio surpasses 6.0, it is loose that topcoating will become, and the result makes its adhesive power descend on the contrary.
The above-mentioned topcoating that makes uses as follows:
When being coated with top iron and screw, zinc, cement, timber, pitch, plastic polyethylene, polypropylene, glass, glass filament reinforced plastics, rubber, pottery or other similar surfaces, can apply this coating with instruments such as brush, spray guns.At ambient temperature, filming after eight hours will hardening.Needed only 10～20 minutes with 80 ℃ hot blasts, coating just can completely solidified.
If substrate is wall or the top ceiling that stands, the water that then adds polymer emulsion requires with soft water or distilled water, in order to avoid the sagging phenomenon in use appears, and avoid major ingredient to be separated with other composition of composition.At brushing pipe fitting, angle bar or other little goods, or its inwall also must the brushing hollow article the time, also advise with soft water or distilled water.
Water can make coating composition keep good flowability, and this flowability can make that coating is easy to dip-coating, can also prevent that its major ingredient from separating or sedimentation.During the brushing stainless steel, need to use and remove muriatic distilled water fully.
Example of the present invention as mentioned above, the feature or the physical property of the topcoating that obtains thus are shown in table 1.
Table 1
Nature and characteristic or physicals numerical value
The form aqueous slurry
10 minutes to 8 hours set time
20～80 ℃ of solidification values
Ultimate compression strength 222.0kgf/cm
2
Bending strength 73.0kgf/cm
2
Tensile strength 26.3kgf/cm
2
Ageing resistance 3000 hours
Bond strength 22kgf/cm
2
Water-repellancy 9.5kgf/cm
2
Alkali resistance 18.0kgf/cm
2
Erosion resistance 11.0kgf/cm
2
Salt fog resistance 15.8kgf/cm
2
Ozone resistants 17.4kgf/cm
2
Thermotolerance 18.0kgf/cm(condition: 300 ℃, 3 hours)
Winter hardiness 17.4kgf/cm(-183 ℃, 3 hours)
The flex resistance leakless
Shock resistance is not damaged
The freeze-thaw resistance imponderability changes
Physicals numerical value given in the table 1 is recorded by following method.
A) compressive strength test is carried out according to the R5201 of Japanese Industrial Standards.At a diameter is 50 millimeters, applies an axial force on long 100 millimeters the test specimen, till this test specimen fracture.
B) anti-reflecting bending strength test carries out according to the R5201 of Japanese Industrial Standards.Add a concentrated loads in test specimen in the heart, make the test specimen bending.The two end supports of this test specimen is on base, and the test specimen specification is 40mm * 40mm * 160mm.
C) test for tensile strength carries out according to the A1113 of Japanese Industrial Standards.Apply a load in a perpendicular direction, crackle occurs until the test specimen surface with test specimen.The test specimen specification is 50 millimeters of diameters, and length is 100 millimeters.
D) ageing resistance test is to be undertaken by following manner, under following condition, is being coated with on the iron plate that is brushed with 1 mm thick coating with rayed and is spilling water.
59～63 ℃ of black panel temperature
Average discharge voltage 50V
Average discharge current 60A
3000 hours test periods
(its effect was equivalent to Exposure to Sunlight 15 years)
E) adhesion test is to carry out according to the A6909 of Japanese Industrial Standards.It is 300 microns surface coatings that a tinplate sheet is coated with last layer thickness.On the ergometer type tester that a loading capacity is 100kgf, with the pulling speed of 5 mm/min the circular test specimen of 20 millimeters of diameters is filmed and to do stripping test.
F) water-repellancy is according to filming of in kind painting on above-mentioned identical bottom, in 40 ℃ distilled water, soak cohesive strength after 96 hours come fixed.
G) alkali resistance also be according to test specimen in 40 ℃ saturated calcium hydroxide aqueous solution, soak cohesive strength after 96 hours come fixed.
H) erosion resistance is that it was fixed to come according to the cohesive strength of filming after (it is 5% that solution is adjusted to chloride concentration with distilled water) soaked 96 hours in 40 ℃ sodium chloride aqueous solution with filming.
I) salt fog resistance is with sodium chloride aqueous solution (chloride concentration of solution is adjusted to 5 ± 1% through spent ion exchange resin), and spray is on coatingsurface, and it is fixed to come according to cohesive strength after 120 hours.
J) ozone resistants is to be 10ppm with filming at ozone content, and temperature is to place after 240 hours in 40 ± 1 ℃ the jar, and it is fixed to come according to the cohesive strength of filming this moment.
K) winter hardiness detects by following method, brushing topcoating on a tinplate sheet, consumption is 12 Kilograms Per Square Meters, use liquid oxygen (boiling point is-183 ℃) to be cooling agent then, freezing 3 hours of the iron plate that scribbles coating, making its temperature rise to normal circumstances again, after this is the bond strength of the ergometer type tester mensuration coating of 500kgf with loading capacity.
L) thermal test is performed such, brushing topcoating on a tinplate sheet, consumption is 12 Kilograms Per Square Meters, then this iron plate was heated 3 hours down at 300 ℃, making it be cooled to normal temps again, after this is the bond strength of the ergometer type tester mensuration coating of 500kgf with loading capacity.
M) flex resistance is to estimate to obtain according to the result that the K5400 of Japanese Industrial Standards tests.Its process of the test is coated with and coats for diameter being respectively 2,3,6 and 8 millimeters plug, checks whether the coating on the plug after the bending occurs peeling off or crackle.
N) shock resistance is to determine according to the result that the G3492 of Japanese Industrial Standards tests.Process of the test is that the test specimen that will brush earlier soaked one hour in 25 ℃ water, then the steel ball of one 545 grammes per square metre is fallen above the above-mentioned test specimen from 2.4 meters high places, checks that the test specimen surface has or not any crackle or other damaged vestige.
O) the freeze-thaw resistance test is to carry out according to American Standard of Testing Materials C666.With specification is that the test specimen of 100mm * 100mm * 400mm is immersed in the water, and water temperature changes to-18 ℃ by 4.5 ℃, and per 4 hours circulation primary are carried out 300 circulations altogether.
As described in Table 1, topcoating of the present invention is shorter set time, uses effect thereby improved it.
Have very wide tolerable limit owing to use under very high and very low temperature, this coating can be applicable among the changeable envrionment conditions.
Very strong bond strength can make coating stick to securely on the various primers.
This coating has enough ultimate compression strength and bending strength, thereby can adapt to the expansion of bottom, the especially very important thermal expansion that produces because of temperature variation of metal.
In addition, because it is to attack, water, aging, alkali and oil have good hindrance function, thereby this coating can generally be used for various envrionment conditionss.
For example, this coating can hold out against the abominable working conditions on the viaduct, in the sort of occasion, and coating temperature acute variation, thereby to suffer the thermal expansion shrinkage repeatedly, simultaneously, also to suffer the pouring of washing of saliferous rainwater.
This coating also can be used for the lining of water service pipe and sewer line, and it is durable in use that these pipelines are difficult to keep, and run into acidity, and alkalescence or other fluidic corrode.
This coating is as the seawaterline lining that often contacts with salt solution, and its effect is satisfactory.
If by the bottom of being coated is metal, iron especially, these metals can be corroded by airborne dioxygen oxidation, utilize the oxygenizement of metal itself in this occasion, can promote the bond strength of topcoating of the present invention and metal ion.This coating makes to give birth on the whole surface has expired rust, thereby provides one deck to avoid the firm oxide coating of corrosive.
Zinc oxide in the major ingredient (ZnO) and various polymkeric substance generation crosslinking reactions, thus the intensity of filming improved.
Adding glycine can make polymkeric substance possess ability to cure.
Lipid acid in the synthetic polymer emulsion can stable emulsion, makes the coatingsurface degreasing, improves its flow leveling in use.
Because this coating is emulsion-type, thereby can not resemble the organic solvent during use because of the evaporation contaminate environment.Avoiding under wherein major ingredient separation or the settled situation, it can use by the spray gun spraying or by dip-coating method.
The advantage of topcoating of the present invention can be summarized as follows:
A) be used in coating on wall and the top ceiling, be prepared according to the use viscosity that is applicable to spray gun.Adopt the sort of viscosity, can form thickness and the settled phenomenon of coating flowing hanging or major ingredient can not appear in smooth filming.
B) for pipeline, angle bar and other small articles or those also must the brushing inwall object, the use viscosity of coating can be turned down, to be fit to carry out dip-coating.Thickness can be formed like this and major ingredient sedimentation or isolating phenomenon can not appear in smooth coating thin layer.
C) coating and iron, this class surface adhesion of tinplate are good, and the film that obtains is flexible, the crooked or distortion of steel plate after being enough to stand to brush or analogue.
D) paint film is firm, can accomplish more fully, after promptly being collided by heavy object, only produces local damage and flawless or peel off.
E) this film makes concrete surface have elasticity, water-repellancy and ageing resistance.
F) this coating is able to take 300 ℃～-183 ℃ broad like this temperature ranges.
G) nonflammable and safe in utilization.
H) the brushing back is enough to impel dried coating film and reaches the effect of coating with the warm air below 80 ℃.Thereby improved the service efficiency of coating.
I) there is very extensively, changes various application.
For example, topcoating has brought binding property, erosion resistance for many different objects; water-repellancy and elasticity; this class example has: be used for the coating across the bridge of road or water channel, the liner of water service pipe and sewer line, the liner of seawater pipeline; dual-purpose water-lute agent; the power-equipment maintaining agent, the coal-mine gas detonation suppressor makes transportation means; the protective material that railroad tie is not stain; steamer rust-preventive agent; car floor rust-preventive agent, the protective paint of electric light and telephone pole (and cable), the rust proof paint of oil tank; the coating of canoe and container; the coating of gas pipeline and gas tank, the tackiness agent of liquid gas storage tank thermofin, the seal gum of nuclear power plant; the industrial chimney and the rust proof paint of tower; the coating of regenerated concrete product, the maintaining agent of top of building water tank, the rust proof paint of viaduct and metal bridge; the water-resisting agent in tunnel; the corrosion-resistant agent of movable dwellings and water-resisting agent, the rust proof paint in building berth and steel pond, slope protective material; concrete dam weathering resistance agent and sluice rust-preventive agent.Coating of the present invention also has widely as tackiness agent to be used.
(second implements part)
The using method of the above-mentioned topcoating of recommending is illustrated by several examples hereinafter.
Example 1(Fig. 1～Fig. 3)
In this example, material of the present invention is used for repairing concrete bridge deck.
In Fig. 1～Fig. 3, numeral 1 is meant that at its lower surface several fissured concrete slabs are arranged.
In order to repair this its lower surface 1a place one the 1 fissured bridge plate of mm wide is arranged, cut out 2 centimetres wide, 2 centimetres of dark V-shaped parts at its lower surface.
Then, the many foundation bolts that can hole 3 are squeezed in the bridge plate 1 shown in Fig. 2.
Subsequently, will implement the synthetic polymer emulsion of description in the part and the water mixed diluting of equivalent first, toward lower surface spray twice, hardening by cooling has then so just formed polymeric film 4 on the lower surface 1a of bridge plate 1 with spray gun.
Top with bolt 5 tops is screwed into boring foundation bolt 3 then.
Polymer emulsion and first is implemented the described main raw of part mixes, make a kind of mixture by 1: 3.5 ratio, and in this mixture an amount of water of adding, pour into a mould needed viscosity with assurance.
Determine that the topcoating mixture ratio is that 1: 3.5 reason is that the topcoating of this proportioning has goodish flowability, and the back is bondd with bridge plate easily with the surperficial filling paint of 1: 5 mixture ratio preparation.
Above-mentioned aqueous mixture is formed the top layer 6 of about 500 micron thickness with the 5 kilograms/air spraying of (square centimeter) to the surface of polymeric film 4.
On the lower surface on top layer 6, stretch out wire 7, wire cloth is being supported by many washer nuts 8, and the lower end of last bolt 5 bottoms is screwed into washer nut 8, and stubborn lumping together.
Then, the upper end of following bolt 9 is screwed into pad nut 8, so Xia Mian bolt 9 with regard to vertical support below washer nut 8.
Subsequently, the concrete slab 11 that upper surface is stained with vinyl resins plate 10 securely be assemblied in wire cloth 7 below, to keep proper spacing or space between the two during assembling.
In the bolt hole on the following bolt 9 insertion panels.
The lower end of following bolt 9 is passed nut 13 and is twisted and is connected together, and the power that lays particular stress on of the spring piece 14 of use device between panel 11 and nut 13 rises thereby promote panel 11.
Because this structure, concrete slab 11 contacts with packing ring bolt 8 deflections, and has stayed packing space between wire cloth 7 and concrete slab 11.
Mixed with the ratio of synthetic polymer emulsion with 1: 5 by major ingredient, the topcoating of making of the present invention can be used as tackiness agent and pour into above-mentioned packing space under pressure.
This filling process is performed until till the position that concrete slab 11 drops to the power that lays particular stress on that props up spring piece 14.
At last, fastening nut 13 is to increase the power that lays particular stress on of spring piece 14, so that concrete slab 11 and bridge plate bottom 1 are tightly touched.
Should be noted that between the concrete slab 11 of washer nut 8 to keep compression clearance (t), so that can often apply the power that lays particular stress on that makes progress to concrete slab 11.
Approximately the four stars after date disassembles following bolt 9, peels concrete slab 11 off, and the result has just made the coating 15 of the bridge plate bottom of about 20 mm thick.
Example 2(Fig. 4, Fig. 5)
Among Fig. 4, numeral 21 is meant the concrete slab that many cracks 23 are arranged on its underpart outside surface 22.
This class outside surface 22 mainly is because the cause of electrical drilling machine or high-pressure water spraying gun, causes its surface irregularity injustice.
The first layer lining 25 is made by topcoating of the present invention, and this topcoating is to be mixed by synthetic polymer emulsion and the major ingredient ratio according to 1: 3.5.
Because this structure, mix the good tensile strength of glass fibre 27 again, second layer lining 26 can demonstrate high tensile strength, can prevent further that like this crack 23 on bridge plate 1 outside surface 22 from enlarging.
Though the glass fibre 27 among Fig. 4 is the insides that are embedded in second lining 26 as glasscloth, glass fibre 27 also can other form be imbedded, and as shown in Figure 5, a large amount of glass fibers is mixed in method in second lining 26.
Example 3(Fig. 6, Fig. 7)
Ratio has been done change on the basis of example 2, promptly imbedded wire cloth at second lining.
Shown in Fig. 6 and 7, wire cloth 27 is by many horizontal and vertical orthogonal steel wire 27a, and 27b constitutes.
But, steel wire 27a, the diameter of 27b depend on rimose degree on the bridge plate outside surface fully.
Example 4(Fig. 8～Figure 10)
In this example, topcoating splashes the protecting materials in district as the bridge pier plate.
In Fig. 8 and 9, numeral 31 is meant many steel bridge piers that link together in order and squeeze into the riverbed.
Piling bar plate 31 has a water to spatter regional A, and this position, zone is the position that the water surface contacts with the piling bar plate.
The width of concrete slab 32 is W, and it can cover splashing of piling bar plate 31 fully and distinguish A.
Concrete slab links together in order with cohesiveness rubber 33.
Among Fig. 8, B represents the position of the water surface.
Also have in Fig. 8, numeral 34 and 35 is meant the last lower supporting rod of concrete slab 32 usefulness that support splash zone A.Pillar 34 or 35 low side are welded on the piling bar plate 31, and carriage (34a) is equipped with on the top, 35a), and to prevent concrete slab 32 slumps.
In order to prevent base plate 36 and lower posts 34 because of buoyancy of water separates, base plate 36 has many eyelets, and rope 37 passes these holes base plate 36 and following pillar 34 are linked together.
Because this structure is filled out the gap of irritating tackiness agent and limited by bridge pier plate 31, concrete slab 32 and base plate 36.Topcoating of the present invention is made tackiness agent 39 pour into above-mentioned gap, so that concrete slab 32 is bonded on the piling bar plate 31 securely, thereby the regional A that splashes of piling bar 31 is protected and can not gets rusty.
In this example, this topcoating is to make by 1: 5 mixed with first synthetic polymer emulsion and the major ingredient of implementing in the part.
In Fig. 8 and Fig. 9, numeral 40 top boards that are meant on the space that is installed in filling adhesive.
In Figure 10, showed the change of this being implemented part, wherein, the concrete slab 32 after the change is dull and stereotyped.
Example 5(Figure 11～Figure 13)
In this example, topcoating of the present invention is used to prevent that piling bar from getting rusty.
In Figure 11 and Figure 12, numeral 51 is meant waterproof cloth, and it is to soak into the lining material 53 that topcoating of the present invention is made to resemble this class gross porosity eye cloth of Victoria's linen, and drying is made then.
In said structure, because cloth 52 and lining material 53 all have enough tensile strength separately, lining material 53 and cloth 52 can produce collaborative effect, have prevented from effectively crackle to occur on the lining material 53.
In this example, topcoating is to be mixed and made into by synthetic polymer emulsion and the major ingredient ratio by 1: 3.5.
The waterproof cloth as shown in figure 13 51 that makes in a manner described is wrapped with tackiness agent all around and sticks on the outside surface of the piling bar 56 that steel pipe makes, and wherein adhesive therefor is to be mixed and made into by 1: 3.5～5.0 ratio by synthetic polymer emulsion and major ingredient.
In the operation of above-mentioned parcel, must tighten waterproof cloth 51 on the piling bar 56 of steel pipe system with a belt, 51 stick to fully above the latter 56 until the former.
The edge of the waterproof cloth 51 behind the parcel or adjacent garden contour are coated water hardened tackiness agent 57, and they are connected to each other together.
Example 6(Figure 14, Figure 15)
In this example, topcoating of the present invention is used for ornamental slab for paving the floor is bonded on the bottom that resembles bathroom floor one class.
Among Figure 14, numeral 61 refers to underboarding, and this plate is to be made by special concrete (1 grade of concrete, prestressed concrete) as bathroom floor.
As shown in figure 14, underboarding 61 surfaces are rented rough, and this is that high pressure water and electrical drilling machine cause.
Because this surface irregularity, 61 li dippings of this substrate synthetic polymer emulsion effect is fine.
Among Figure 14, numeral 64 and 65 is meant first lining and second lining of brushing respectively on underboarding 62 and ornamental slab for paving the floor 66.
This lining 64 and 65 is to be mixed by synthetic polymer emulsion and the major ingredient ratio by 1: 3.5.
In addition, in Figure 14, numeral 67 is meant the matrix material that first lining 64 and second lining 65 are adhered to each other.
This matrix material 67 is to be mixed and made into by synthetic polymer emulsion and the major ingredient ratio by 1: 5.
Because synthetic polymer emulsion, first and second linings 64,65, and matrix material 67 has good physics and/or chemical property, ornamental slab for paving the floor 66 can be bonded on the substrate 61 securely, be owing to their bounding force and tensile strength.
In above-mentioned lining 64,65, the decision of the mixture ratio of synthetic polymer emulsion and major ingredient was adopted 1: 3.5.
This is because such fact, and promptly by increasing the amount ratio of (in the lining) synthetic polymer emulsion and major ingredient, the rate of drying of lining is understood the specific viscosity mixture and be come slowly.
Claims (3)
1, a kind of by main ingredient and synthetic polymer emulsion by 2.0-6.0: the topcoating that 1 ratio is formed, wherein consisting of of major ingredient:
White cement 28% (weight)
Silica sand (SiO
2) 71% (weight)
Ferric oxide (Fe
3O
4) 0.2% (weight)
Zinc oxide (ZnO
2) 0.1% (weight)
Titanium white (TiO
2) 0.1% (weight)
Glycine 0.6% (weight)
Consisting of of synthetic polymer emulsion:
Carboxy-modified styrene-butadiene 13% (weight)
Polymer latex
Cyclohexyl methacrylate one vinylbenzene 56% (weight)
Copolymer emulsion
Fatty acid sodium soap 1% (weight)
Water 30% (weight)
2, a kind of by main ingredient and synthetic polymer emulsion by 2.0-6.0: the topcoating that 1 ratio is formed, wherein consisting of of major ingredient:
White cement 28%(weight)
Silica sand (SiO
2) 71%(weight)
Ferric oxide (Fe
3O
4) 0.2%(weight)
Zinc oxide (ZnO
2) 0.1%(weight)
Titanium white (TiO
3) 0.1%(weight)
Glycine 0.6%(weight)
Consisting of of synthetic polymer emulsion:
Carboxy-modified vinylbenzene-Ding two 13%(weight)
Alkene polymer latex
Styrene polymer latex 28%(weight)
Cyclohexyl methacrylate polymerization 28%(weight)
Thing latex
Fatty acid sodium soap 1%(weight)
Water 30%(weight)
3, claim 1 and 2 described topcoatings are in the civil engineering and construction application in engineering.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 85108220 CN1015632B (en) | 1985-11-12 | 1985-11-12 | Surface coating agents and uses thereof |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 85108220 CN1015632B (en) | 1985-11-12 | 1985-11-12 | Surface coating agents and uses thereof |
| JP29589885A JPS62153448A (en) | 1985-12-26 | 1985-12-26 | Concrete structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN85108220A CN85108220A (en) | 1987-05-20 |
| CN1015632B true CN1015632B (en) | 1992-02-26 |
Family
ID=25742126
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 85108220 Expired CN1015632B (en) | 1985-11-12 | 1985-11-12 | Surface coating agents and uses thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1015632B (en) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| ITRM20050066A1 (en) * | 2005-02-17 | 2006-08-18 | Tec Inn S R L | METHOD FOR STRENGTHENING BUILDING STRUCTURES AND COATING OBTAINED FROM THIS METHOD. |
| CN102493673B (en) * | 2011-12-01 | 2014-01-08 | 杭州岩土工程有限公司 | Method for reinforcing epoxy coating used on building surfaces |
| CN103508709B (en) * | 2012-06-15 | 2016-08-03 | 北京金隅加气混凝土有限责任公司 | The autoclaved aerated concrete slab preparation method of reinforced steel bar rust preventing coating |
| CN103450748B (en) * | 2013-09-02 | 2016-07-06 | 厦门力嘉诚防水工程有限公司 | A kind of Waterproof paint for crack repair |
| CN104119744A (en) * | 2014-06-26 | 2014-10-29 | 安徽快来防水防腐有限公司 | Flexible water-resistant paint |
| CN109305488B (en) * | 2017-08-09 | 2024-07-19 | 中国石油化工股份有限公司 | Gap layer for reconstruction of single-layer buried oil tank and double-layer buried oil tank |
| CN108612290A (en) * | 2018-04-19 | 2018-10-02 | 中国建筑第八工程局有限公司 | Metal component surface plastering structure and method |
-
1985
- 1985-11-12 CN CN 85108220 patent/CN1015632B/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| CN85108220A (en) | 1987-05-20 |
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