CN101652335A - Self-leveling composition - Google Patents
Self-leveling composition Download PDFInfo
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- CN101652335A CN101652335A CN200880010378A CN200880010378A CN101652335A CN 101652335 A CN101652335 A CN 101652335A CN 200880010378 A CN200880010378 A CN 200880010378A CN 200880010378 A CN200880010378 A CN 200880010378A CN 101652335 A CN101652335 A CN 101652335A
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- self
- ether
- mass parts
- leveling composition
- cellulose
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Classifications
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B28/00—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
- C04B28/14—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing calcium sulfate cements
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B24/00—Use of organic materials as active ingredients for mortars, concrete or artificial stone, e.g. plasticisers
- C04B24/12—Nitrogen containing compounds organic derivatives of hydrazine
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B24/00—Use of organic materials as active ingredients for mortars, concrete or artificial stone, e.g. plasticisers
- C04B24/24—Macromolecular compounds
- C04B24/38—Polysaccharides or derivatives thereof
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/60—Flooring materials
- C04B2111/62—Self-levelling compositions
Abstract
Disclosed is a self-leveling composition comprising: a self-leveling composition mainly composed of a plaster (calcium sulfate) and containing no building material; and a high-viscosity cellulose ether and a low-viscosity cellulose ether. The self-leveling composition has a long application time in the formation of a horizontal surface, has excellent fluidability and surface smoothness (with lesswrinkling or cracking), and has high surface strength.
Description
Technical field
The present invention relates to a kind of as ground facing primer etc. use from levelling (self-leveling) property composition.
Background technology
Self-leveling material (SL material) is because only by pouring will to flow naturally in ground into and the face of formation level and solidifying with water is mixing, so used as ground facing primer widely.In the SL material, gypsum system, cement system etc. popularize now.Prior art document as relevant this kind SL material has following document.
Patent documentation 1 discloses a kind of self-leveling composition, as essential composition, described composition is with following compositions for it: surplus is following water-soluble cellulose ether and water of 5 quality % behind the sieve of the sieve network No. several 100 (mesh 150 μ m) of cement and/or gypsum, fine aggregate, water reducer (flowing agent or dispersion agent), defoamer, retardant, setting accelerator, the 14th correction Japanese Pharmacopoeia B 1061 records.But this self-leveling composition need be tackified for the separation that prevents aggregate, thus with regard to the flowability reduction that has its slip, the problem of operation deterioration.This external thickness that will flow is made as under the following situation of 5mm, is subjected to the concavo-convex influence of ground bottom easily, and the surface smoothing variation of formed horizontal plane in addition, even under the situation of the thick stream about 50mm, also has the settled danger of aggregate.So this self-leveling composition is not ideal enough.
In addition, in self-leveling material, do not cooperate under the situation of aggregate, accelerate by the flow losses (passing the reduction of the yield point value that produces in time) that the hydration of reactant (cement or gypsum etc.), cohesion cause, thereby the problem of the activity duration of the round floor that can not obtain the level that is used to form is fully arranged.
Patent documentation 1: TOHKEMY 2006-56763 communique
Summary of the invention
So, the objective of the invention is to, a kind of self-leveling composition is provided, its operable time when forming horizontal plane (is also referred to as the operating time, working time) length, flowability and surface smoothing (not having wrinkle or crackle basically) excellence can provide surface strength high horizontal plane.
The inventor etc. further investigate in order to reach above-mentioned purpose, found that, the ether of cellulose that constitutes by ether of cellulose and the low-viscosity ether of cellulose that in specific self-leveling composition, cooperates by high viscosity, operable time in the time of just can obtaining forming horizontal plane is long, flowability and surface smoothing excellence and the self-leveling composition of the high horizontal plane of surface hardness can be provided, thereby has finished the present invention.
That is, the invention provides a kind of self-leveling composition, it is characterized in that, it as main material and do not contain aggregate, and is combined with high viscosity ether of cellulose and the plain ether of low viscous fiber with gypsum.This self-leveling composition preferably further contains sequestrant.By containing sequestrant, formation can provide the self-leveling composition of the horizontal plane that surface smoothing further improved.
According to the present invention, by in the self-leveling composition of the gypsum master material that does not contain aggregate, cooperate the plain ether of high viscosity ether of cellulose and low viscous fiber, just can provide mobile excellent, the operable time length when forming horizontal plane, formed horizontal plane the surface smoothing excellence, can give the self-leveling composition of high surface hardness to the horizontal plane of gained.In addition, by further cooperation sequestrant, can provide a kind of crackle that can prevent the surface to produce and the self-leveling composition of the horizontal plane that surface smoothing further improved can be provided.
Embodiment
Below, the present invention is further elaborated.
In the self-leveling composition of the present invention, use pulverous gypsum as main material.As above-mentioned gypsum, can α type hemi-hydrated plaster, II type dehydrated gyp-, β type hemi-hydrated plaster be shown example.
In the self-leveling composition of the present invention, do not contain aggregate.If self-leveling composition contains aggregate, then in order to prevent that the aggregate sedimentation from just need make slip have to a certain degree above viscosity, and when forming surface water plane, if in self-leveling composition mixing water, the slip of gained will have the flowability that has reduced.So especially under the thickness that will flow was made as situation below the 5mm, this slip was subjected to the concavo-convex influence of ground bottom easily, the surface smoothing variation in addition, under the situation of the thick stream about 50mm, also has the settled danger of aggregate.
In the self-leveling composition of the present invention, cooperate at least 2 kinds of ether of cellulose.As ether of cellulose, specifically, can enumerate methylcellulose gum, Vltra tears, hydroxyethylmethyl-cellulose, Natvosol, hydroxypropylcellulose, hydroxyethyl ethylcellulose etc.
In above-mentioned ether of cellulose, the ether of cellulose of high viscosity, low-viscosity ether of cellulose are arranged, among the present invention high viscosity ether of cellulose and the plain ether of low viscous fiber are used in combination.The high viscosity ether of cellulose when measuring under 20 ℃, the condition of 20rpm with Brookfield type viscometer, has 40,000～100, the viscosity of 000mPas preferably under the situation of making the 2 quality % aqueous solution.In addition, if represent, then, have 5 * 10 in weight-average molecular weight (mole) with molecular weight
5～7 * 10
5(g/mol) molecular weight.The plain ether of the opposing party's low viscous fiber when measuring under 20 ℃, the condition of 20rpm with Brookfield type viscometer, has 200～1, the viscosity of 000mPas preferably under the situation of making the 2 quality % aqueous solution.In addition, if represent, then, have 1 * 10 in weight-average molecular weight (mole) with molecular weight
5～2 * 10
5(g/mol) molecular weight.
The use level (A) of the above-mentioned high viscosity ether of cellulose of per 100 mass parts gypsum is preferably 0.02～0.7 mass parts with the total amount (A+B) of the use level (B) of the plain ether of low viscous fiber.In addition, for high viscosity ether of cellulose and the plain ether of low viscous fiber use level (A, B) separately, per 100 mass parts gypsum are preferably 0.01～0.6 mass parts respectively.If the usage quantity of the ether of cellulose after high viscosity and the low viscosity addition is that per 100 mass parts gypsum are less than 0.02 mass parts, then in the self-leveling composition of gained, can't see enough material separation resistivitys, therefore can produce and ooze out (bleeding), make the intensity of the horizontal plane after self-leveling composition solidifies become inhomogeneous.In addition, above-mentioned oozing out becomes the reason that causes crystallization dehydration (being also referred to as frosting) or be full of cracks sometimes.On the other hand, if the usage quantity of per 100 mass parts gypsum more than 0.7 mass parts, then because the viscosity of the slip of gained is too high, so slip will lack flowability, is that self-leveling suffers damage as the important characteristic of self-leveling composition.Above-mentioned too high viscosity produces wrinkle sometimes on the horizontal plane of gained, further damage outward appearance, thereby becomes the reason that causes intensity to reduce.The use level of above-mentioned high viscosity ether of cellulose (A) is that A: B is 1: 0.02～1: 50th with respect to the proportioning of the above-mentioned use level (B) of the plain ether of low viscous fiber by quality ratio, and is preferred, more preferably 1: 0.1～1: 10.
For self-leveling composition of the present invention, for when forming surface water plane, minimizing produces tunicle or prevents to crack on the surface, the preferred sequestrant that further cooperates.As sequestrant, specifically, can enumerate ethylenediamine tetraacetic acid (EDTA), diethylene triaminepentaacetic acid(DTPA), hydroxyethylethylene diamine tri-acetic acid, inferior nitrilotriacetic acid (nitrilotriacetic acid), bicine N-.Especially preferably effective diethylene triaminepentaacetic acid(DTPA) for the slow setting of the water-based slip of self-leveling composition of the present invention.
The use level of sequestrant is preferably, and per 100 mass parts gypsum are 0.02～0.5 mass parts.If the use level of sequestrant is less than 0.02 mass parts, then can't bring into play the effect of the tunicle formation that prevents the surface fully.On the other hand, if use level more than 0.5 mass parts, then can raise manufacturing cost because of using sequestrants in a large number, not preferred.
In self-leveling composition of the present invention, can suitably cooperate in cement, water reducer (flowing agent or dispersion agent), defoamer, retardant, setting accelerator, inorganic extender, the synthetic resins etc. one or more as required.
As above-mentioned cement, can use normal silicate (portland) cement, early strength silicate cement, moderate-heat portland cement, blast-furnace cement, silicon cement, pulverized fuel ash cement, high-alumina cement, accent to coagulate various cement such as cement respectively.Above-mentioned cement cooperates for the water tolerance that improves formed ground facing primer, and its use level is preferably, and per 100 mass parts gypsum are 5～50 mass parts.
As above-mentioned water reducer (flowing agent or dispersion agent), so long as the general water reducer of selling on market, its use just is not particularly limited.As a rule, can use water reducers such as polycarboxylic acid series, melamine system, naphthalene system.The use level of water reducer is preferably, and per 100 mass parts gypsum are 0.01～5 mass parts.Under the situation of self-leveling composition, owing to need to obtain excellent flowability with the least possible water yield, therefore can cooperate water reducer, if yet use level very little, then can't obtain this effect, if too much opposite, then can cause and ooze out or solid-liquid separation, become the intensity that causes formed horizontal plane sometimes and reduce or produce the reason of frosting.
As above-mentioned defoamer, can use polyethers system, silicone-based, alcohol system, mineral oil system, vegetables oil system, nonionic surfactant etc.
As above-mentioned retardant, can use borates such as Citrate trianion, succinate, acetate, malate, borax, sucrose, hexametaphosphate, edetate, starch and protein decomposition products etc. such as Trisodium Citrate.For the use level of retardant, be set at and get final product according to the degree of its slow setting function of required performance.Specifically, preferred per 100 mass parts gypsum cooperate the retardant of 0.005～1 mass parts.
As above-mentioned setting accelerator, except muriates such as soluble calcium salts such as calcium chloride, calcium nitrite, nitrocalcite, Calcium Bromide, calcium iodide and iron(ic) chloride, magnesium chloride, can also enumerate formate such as vitriol, potassium hydroxide, sodium hydroxide, carbonate, thiosulphate, formic acid and calcium formiate such as vitriolate of tartar etc.As above-mentioned inorganic extender, can use talcum, lime carbonate etc.
As above-mentioned synthetic resins, preferred pulverous resin can use vinyl acetate resin, tertiary monocarboxylic acid (versatic acid) vinylester resin, vinyl-acetic ester-tertiary ethylene carbonate multipolymer, acrylic resin, vinyl-acetic ester-acrylic copolymer, vinyl-acetic ester-tertiary ethylene carbonate-acrylate copolymer, styrene-butadiene copolymer etc.Synthetic resins cooperates for the surface hardness that improves formed ground facing primer, and its use level is preferably, and per 100 mass parts gypsum are 0.05～1 mass parts.
Self-leveling composition of the present invention can with the slip inflow surface round floor of gained, extend by after mixing fully adding water, placement, curing, drying, thereby forms ground facing primer.As the ground round floor, metals such as mortar, cement, wooden, plastics brickmaking or thin plate, pottery, stainless steel can example be shown.
The use level of water is preferably, and per 100 mass parts gypsum are 20～50 mass parts.If the use level of water is very few, then can't obtain enough flowabilities, the slip of gained is difficult to extend, thereby the situation of operation reduction is arranged, if too much opposite, then the ground facing primer of gained will have the intensity that has reduced.So exceeding above-mentioned scope, to come hydrous water be not preferred.
Embodiment
Below, for the present invention more specifically being illustrated and enumerate embodiment, yet the present invention is not limited to these embodiment.
＜materials used 〉
Gypsum: α type hemi-hydrated plaster
Cement: ordinary Portland cement
Water reducer: polycarboxylic acid series
Retardant: Trisodium Citrate (reagent)
Sequestrant: diethylene triaminepentaacetic acid(DTPA)
(DTPA, reagent)
Retardant: Sulfates (reagent)
Ether of cellulose: high viscosity ether of cellulose
(viscosity 50,000mPas)
The plain ether of middle viscous fiber
(viscosity 4,000mPas)
The plain ether of low viscous fiber
(viscosity 300mPas)
(above-mentioned viscosity is the value of measuring with above-mentioned measuring method and condition determination.)
Defoamer: polyethers system
Synthetic resins: vinyl-acetic ester-acrylic copolymer
Aggregate: silica sand (particle diameter 0.05～0.8mm)
[embodiment 1]
As shown in table 1, make the high viscosity ether of cellulose reach the plain ether of 0.05 mass parts and low viscous fiber according to per 100 mass parts gypsum and reach the mode of 0.12 mass parts each combination of materials, then hybrid regulatory is quantitatively (to close quantifier, per 100 mass parts gypsum are 1.0～1.5 mass parts) water reducer, retardant, setting accelerator, synthetic resins and defoamer, obtain the powdered self-leveling composition.Then, after per 100 mass parts gypsum as shown in table 1 add 45 mass parts water in mixing bowl, drop into the self-leveling composition that obtains in the aforesaid operations at leisure while stirring, after dropping into end, use the JIS R of Japanese Industrial Standards 5201 8.1 in the test mechanical implement of regulation, mixed 3 minutes, and obtained the self-leveling composition of slip shape.
[embodiment 2]
Except as shown in table 1, per 100 mass parts gypsum have newly cooperated beyond the 0.08 mass parts sequestrant, have obtained self-leveling composition in the same manner with embodiment 1.
[embodiment 3]
Except as shown in table 1, the use level of above-mentioned high viscosity ether of cellulose is made as 0.1 mass parts, the use level of the plain ether of low viscous fiber is made as beyond 0.03 mass parts, obtained self-leveling composition in the same manner with embodiment 1.
[embodiment 4]
Except as shown in table 1, the use level of above-mentioned high viscosity ether of cellulose is made as 0.04 mass parts, the use level of the plain ether of low viscous fiber is made as beyond 0.3 mass parts, obtained self-leveling composition in the same manner with embodiment 2.
[comparative example 1]
Except as shown in table 2, the use level of above-mentioned high viscosity ether of cellulose is made as 0.11 mass parts, cooperate beyond the plain ether of low viscous fiber, obtained self-leveling composition in the same manner with embodiment 1.
[comparative example 2]
Except as shown in table 2, per 100 mass parts gypsum have newly cooperated the plain ether of the middle viscous fiber of 0.18 mass parts, do not cooperate beyond high viscosity ether of cellulose and the plain ether of low viscous fiber, have obtained self-leveling composition in the same manner with embodiment 1.
[comparative example 3]
Except as shown in table 2, the use level of the plain ether of above-mentioned low viscous fiber is made as 0.5 mass parts, do not cooperate beyond the high viscosity ether of cellulose, obtained self-leveling composition in the same manner with embodiment 1.
[comparative example 4]
Except as shown in table 2, per 100 mass parts gypsum have newly cooperated the plain ether of the middle viscous fiber of 0.08 mass parts, the use level of above-mentioned high viscosity ether of cellulose is made as 0.03 mass parts, does not cooperate beyond the plain ether of low viscous fiber, obtained self-leveling composition in the same manner with embodiment 1.
[comparative example 5]
Except as shown in table 2, per 100 mass parts gypsum have newly cooperated the plain ether of the middle viscous fiber of 0.12 mass parts, the use level of the plain ether of above-mentioned low viscous fiber is made as 0.1 mass parts, does not cooperate beyond the high viscosity ether of cellulose, obtained self-leveling composition in the same manner with embodiment 1.
[comparative example 6]
Except as shown in table 2, per 100 mass parts gypsum have newly added the aggregate of 50 mass parts, the use level of above-mentioned high viscosity ether of cellulose is made as 0.1 mass parts, the use level of the plain ether of low viscous fiber is made as 0.1 mass parts, it is beyond 0.09 mass parts that retardant is made as per 100 mass parts gypsum, has obtained self-leveling composition in the same manner with embodiment 1.
Estimated the self-leveling composition of the slip shape that obtains in embodiment 1～4 and the comparative example 1～6 by carrying out each test shown below.Test-results and metewand (appropriate value) thereof at the self-leveling composition that obtains in embodiment 1～4 and the comparative example 1～6 respectively also all is shown in table 1 and the table 2 respectively.
[yield point value]
Measure according to the construction standard specification sheets JASS 15M-103 of Architectural Institute of Japan.
[viscosity]
Use viscosimetric analysis device VISCOTESTER VT-04E (trade(brand)name, RION (Co., Ltd.) system, velocity of shear: 4sec-1), in the cup special of above-mentioned tester, inject the slip of specified amount, measured the viscosity of each slip.
[velocity of flow]
Each slip of injection in the slip throw-in part (height 100mm * length 50mm * width 100mm) of the vinylformic acid system tester of the height 100mm * total length 500mm * width 100mm of horizontal positioned, until filling with, former state fixedly leaves standstill.Begin through after 7 minutes from input, the burrock moment ground of acrylic panel that forms the one side of above-mentioned slip throw-in part is mentioned, measure the time that slip arrives the tester end, utilize following formula to calculate velocity of flow.
Velocity of flow (mm/s)=slip miles of relative movement (450mm)/minute (s)
[operable time]
Operable time be according to according to the above-mentioned yield point value of JASS 15M-103 measure identical method and measure.Each slip of specified amount is injected in the vinylchlorid tubulation that stands vertically, and former state fixedly leaves standstill.Arrived regulation through the time time the moment lift aforementioned tube, after the expansion of above-mentioned slip stops, measuring the diameter of right angle 2 directions of the slip of along continuous straight runs expansion, obtain its mean value by calculating.Can guarantee that its mean value is that time more than the 190mm is as operable time.
[surface hardness]
In the box describe device of height 20mm * length 100mm * width 100mm, flowing into each slip, at room temperature placed 48 hours and after making it to solidify, this cured body put into 40 ℃ drying machine, be dried to reach constant after, from drying machine, cured body is taken out, durometer (TECLOCK corporate system " TYPE D ", trade(brand)name) is pressed against on the cured body surface, measured surface hardness.
[surface smoothing (condition of surface: wrinkle or crackle have or not)]
Flow into each slip in the plastic container of vertical 30cm * horizontal 50cm, make it to reach the thickness of 10mm, after 30 minutes, the side flows into the slip of about 250cc again to container center portion from it, and former state fixedly leaves standstill.The surface smoothing of confirming cured body by sense of touch and vision termly is until through 4 weeks.
Judged surface smoothing (wrinkle and crackle) according to following metewand.
＜wrinkle 〉
A: per 1,500cm
2, width is more than the 0.5mm and length is that the above number of wrinkles of 5mm is 0
B: per 1,500cm
2, width is more than the 0.5mm and length is that the above number of wrinkles of 5mm is 1
C: per 1,500cm
2, width is more than the 0.5mm and length is that the above number of wrinkles of 5mm is 2～5
D: per 1,500cm
2, width is more than the 0.5mm and length is that the above number of wrinkles of 5mm is more than 6
Above-mentioned A is made as good especially, and B is made as, and C is made as poor, and D is made as non-constant.
＜crackle 〉
A: per 1,500cm
2, the number of crackle is 0
B: per 1,500cm
2, the number of crackle is 1
C: per 1,500cm
2, the number of crackle is 2～5
D: per 1,500cm
2, the number of crackle is more than 6
Above-mentioned A is made as good especially, and B is made as, and C is made as poor, and D is made as non-constant.
For the self-leveling composition of embodiment 1～4, the evaluation result of relevant all above-mentioned test subjects is for good especially or good.Promptly, shown in embodiment 1～4, by in gypsum, cooperating the plain ether of high viscosity ether of cellulose and low viscous fiber and mismatch aggregate, flowability excellence, operable time length, the surface smoothing excellence in the time of just can obtaining to form horizontal plane, can provide the self-leveling composition of the high horizontal plane of surface hardness.
In addition, embodiment 2 and 4 self-leveling composition are compared with the self-leveling composition of embodiment 1 and 3, and surface smoothing (not proving by there being crackle) is more good.That is to say that embodiment 2 and 4 self-leveling composition are by cooperating sequestrant, it is more good that surface smoothing becomes.Relative therewith, for the self-leveling composition of comparative example 1 and 2, its velocity of flow is low, operable time short, surface smoothing is poor; For the self-leveling composition of comparative example 3, its surface hardness is low; For the self-leveling composition of comparative example 4, its velocity of flow is low, operable time short, surface smoothing is poor; For the self-leveling composition of comparative example 5, its surface smoothing is poor; For the self-leveling composition of comparative example 6, its velocity of flow is low, surface hardness is low, surface smoothing is poor.
Table 1
Table 2
According to the present invention, the self-leveling composition that can provide that operable time when forming horizontal plane is long, flowability and surface smoothing (not having wrinkle or crackle basically) are excellent, can provide the high horizontal plane of surface strength.
Claims (5)
1, a kind of self-leveling composition is characterized in that, it as main material and do not contain aggregate, and is combined with high viscosity ether of cellulose and the plain ether of low viscous fiber with gypsum.
2, self-leveling composition according to claim 1, it is characterized in that, the high viscosity ether of cellulose when measuring under 20 ℃, the condition of 20rpm with Brookfield type viscometer, has 40 under the situation of making the 2 quality % aqueous solution, 000～100, the viscosity of 000mPas, the plain ether of low viscous fiber are under the situation of making the 2 quality % aqueous solution, when measuring under 20 ℃, the condition of 20rpm with Brookfield type viscometer, have 200～1, the viscosity of 000mPas.
3, self-leveling composition according to claim 1, it is characterized in that, the total amount A+B of the use level B of the plain ether of the use level A of the high viscosity ether of cellulose of per 100 mass parts gypsum and low viscous fiber is 0.02～0.7 mass parts, and the described use level A of high viscosity ether of cellulose is with respect to the ratio A of the described use level B of the plain ether of low viscous fiber: B is 1: 0.02～1: 50.
4, according to any described self-leveling composition in the claim 1～3, it is characterized in that, further contain sequestrant.
5, self-leveling composition according to claim 4 is characterized in that, the content of sequestrant is that per 100 mass parts gypsum are 0.02～0.5 mass parts.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP099774/2007 | 2007-04-05 | ||
| JP2007099774A JP5138966B2 (en) | 2007-04-05 | 2007-04-05 | Self-leveling composition |
| PCT/JP2008/054488 WO2008126596A1 (en) | 2007-04-05 | 2008-03-12 | Self-leveling composition |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101652335A true CN101652335A (en) | 2010-02-17 |
| CN101652335B CN101652335B (en) | 2012-05-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2008800103782A Active CN101652335B (en) | 2007-04-05 | 2008-03-12 | Self-leveling composition |
Country Status (6)
| Country | Link |
|---|---|
| JP (1) | JP5138966B2 (en) |
| KR (1) | KR101459806B1 (en) |
| CN (1) | CN101652335B (en) |
| HK (1) | HK1141269A1 (en) |
| TW (1) | TWI417267B (en) |
| WO (1) | WO2008126596A1 (en) |
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| CN114961329A (en) * | 2022-07-08 | 2022-08-30 | 江苏朗科建材科技有限公司 | Construction process for repairing old waterproof of concrete roof by adopting polyurea protection |
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| JP5768431B2 (en) * | 2011-03-24 | 2015-08-26 | 宇部興産株式会社 | High flow mortar composition |
| JP5768430B2 (en) * | 2011-03-24 | 2015-08-26 | 宇部興産株式会社 | High flow mortar composition |
| CN102295450A (en) * | 2011-07-28 | 2011-12-28 | 太原理工大学 | Self-levelling gypsum mortar with high wear resistance |
| FR3018220B1 (en) * | 2014-03-07 | 2020-08-14 | Saint-Gobain Placo | PLASTER-BASED ACOUSTIC PLATE. |
| KR101447182B1 (en) * | 2014-03-10 | 2014-10-07 | 주식회사 대호알씨 | Mortar with high selp leveling using expanded polyurethane |
| US10494303B2 (en) * | 2015-06-30 | 2019-12-03 | Dow Global Technologies Llc | Gypsum compositions containing crosslinked cellulose ethers for mortars with reduced stickiness |
| CN110317031A (en) * | 2018-03-29 | 2019-10-11 | 北新集团建材股份有限公司 | A kind of high strength gypsum based self-leveling mortar and preparation method thereof |
| CN110317032A (en) * | 2018-03-29 | 2019-10-11 | 北新集团建材股份有限公司 | A kind of high strength gypsum based self-leveling mortar and preparation method thereof |
| CN113248223A (en) * | 2021-04-28 | 2021-08-13 | 浙申环保材料(宁波)有限公司 | Self-leveling gypsum |
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| DE69520216T2 (en) * | 1995-11-14 | 2001-06-13 | Hercules Inc | Lime-containing gypsum plaster |
| JPH1036162A (en) * | 1996-07-25 | 1998-02-10 | Shin Etsu Chem Co Ltd | Gypsum-based composition |
| ES2360209T3 (en) * | 2002-03-27 | 2011-06-01 | United States Gypsum Company | HIGH RESISTANCE SOLDIER COMPOSITIONS. |
| CN1861543A (en) * | 2005-05-12 | 2006-11-15 | 刘峰岳 | Gypsum base plastering mortar and gypsum base gravity flowing levelling mortar |
-
2007
- 2007-04-05 JP JP2007099774A patent/JP5138966B2/en active Active
-
2008
- 2008-03-12 KR KR1020097020532A patent/KR101459806B1/en active IP Right Grant
- 2008-03-12 WO PCT/JP2008/054488 patent/WO2008126596A1/en active Application Filing
- 2008-03-12 CN CN2008800103782A patent/CN101652335B/en active Active
- 2008-03-20 TW TW097109836A patent/TWI417267B/en active
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2010
- 2010-08-17 HK HK10107864.6A patent/HK1141269A1/en unknown
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114961329A (en) * | 2022-07-08 | 2022-08-30 | 江苏朗科建材科技有限公司 | Construction process for repairing old waterproof of concrete roof by adopting polyurea protection |
Also Published As
| Publication number | Publication date |
|---|---|
| JP5138966B2 (en) | 2013-02-06 |
| TWI417267B (en) | 2013-12-01 |
| JP2008254971A (en) | 2008-10-23 |
| KR20090127412A (en) | 2009-12-11 |
| WO2008126596A1 (en) | 2008-10-23 |
| HK1141269A1 (en) | 2010-11-05 |
| KR101459806B1 (en) | 2014-11-07 |
| TW200840806A (en) | 2008-10-16 |
| CN101652335B (en) | 2012-05-30 |
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