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CN1934051A - Use of polymer powder compositions that can be redispersed in water for loam construction materials - Google Patents

Use of polymer powder compositions that can be redispersed in water for loam construction materials Download PDF

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Publication number
CN1934051A
CN1934051A CNA2005800085348A CN200580008534A CN1934051A CN 1934051 A CN1934051 A CN 1934051A CN A2005800085348 A CNA2005800085348 A CN A2005800085348A CN 200580008534 A CN200580008534 A CN 200580008534A CN 1934051 A CN1934051 A CN 1934051A
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loam
acrylate
methyl
multipolymer
ester
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CN100497235C (en
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H·卢茨
A·佐梅洛尔
K·博宁
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Wacker Polymer Systems GmbH and Co KG
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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
    • C04B24/26—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
    • C04B24/2641—Polyacrylates; Polymethacrylates
    • 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
    • C04B28/001—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 unburned clay
    • 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
    • C04B2103/00—Function or property of ingredients for mortars, concrete or artificial stone
    • C04B2103/0045—Polymers chosen for their physico-chemical characteristics
    • C04B2103/0057—Polymers chosen for their physico-chemical characteristics added as redispersable powders
    • 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
    • C04B2103/00—Function or property of ingredients for mortars, concrete or artificial stone
    • C04B2103/0045—Polymers chosen for their physico-chemical characteristics
    • C04B2103/0066—Film forming polymers

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Ceramic Engineering (AREA)
  • Structural Engineering (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Materials Engineering (AREA)
  • Inorganic Chemistry (AREA)
  • Dispersion Chemistry (AREA)
  • Adhesives Or Adhesive Processes (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Curing Cements, Concrete, And Artificial Stone (AREA)
  • Processes Of Treating Macromolecular Substances (AREA)
  • Paints Or Removers (AREA)

Abstract

The invention relates to the use of polymer powder compositions in loam construction materials. Said compositions can be redispersed in water, are devoid of emulsifiers and contain one or more film-forming polymers, one or more protective colloids, in addition to optional anti-caking agents.

Description

Can be in water the polymer powder compositions of redispersion be used for the purposes of loam material of construction
Invention field
The present invention relates to can the water redispersion the purposes of polymer powder compositions in loam material of construction, particularly loam dry mortar; described composition comprises one or more film-forming polymers; one or more protective colloids and, as needs, anti (antiblocking agent).
Background technology
The loam material of construction is for hundreds of years as material of construction, especially for building construction.Loam is not standardized material of construction, and its composition depends on the source and difference; It is the mixture of clay, silty sand (very thin sand) and sand normally, and it also can comprise thicker component, for example cobble, gravel or stone, and its clay content is about 10～30wt%.The advantage of loam material of construction is that their obtain easily, processing is simple, their high-moisture storage effect (in the house pleasant atmosphere) and their ecological advantage (can reuse).
For those reasons, loam class material of construction little by little is used for inner retouching with the form of wet mortar, the particularly form with dry mortar at present once more, for example be used for wall plaster (basis and pargeting material), but also combine as filler, perhaps as loam brick and paint for wall with timber structure.The further purposes of loam material of construction is argillous sealing, for example in land and in the dam building.
Yet the shortcoming of loam material of construction is their (intensity are that internal cohesion is low) limited in one's ability of bearing mechanical load, to water and moisture sensitivity (not water-fast) and to the poor adhesion (poor adhesion) of various construction substrate.
From DE-A 19800784 as can be known, can improve the wear resistance that loam is plastered and expected by adding cellulose binder.DE-U 20008006 has described by with protein being the wear resistance that additional adhesive is improved loam class rendering mortar.WO-A 00/68162 has described to loam or clay class material of construction and has added the polymer formulations that does not contain polysulfide, contains emulsifying agent.
Summary of the invention
The objective of the invention is to improve the physical strength and the water tolerance of loam material of construction, particularly loam dry mortar.In addition, should still guarantee the processing characteristics of loam material of construction.
The invention provides can the water redispersion, do not contain the purposes of polymer powder compositions in the loam material of construction of emulsifying agent, said composition comprise one or more film-forming polymers, one or more protective colloids and, as needs, anti.
Suitable film-forming polymer is based on one or more following monomeric film-forming polymers: vinyl ester, (methyl) acrylate, aromatic vinyl material, alkene, 1,3-diolefine and halogen ethene and if desired can with the additional monomer of its copolymerization.
Suitable vinyl ester is the vinyl ester with carboxylic acid of 1～12 carbon atom.Be preferably vinyl acetate, propionate, vinyl butyrate, 2 ethyl hexanoic acid vinyl acetate, vinyl laurate, acetic acid (1-methyl ethylene) ester, trimethylacetic acid vinyl acetate and have the alpha-branched monocarboxylic vinyl ester of 9～11 carbon atoms, for example VeoVa9 ROr VeoVa10 R(Shell trade(brand)name).Be preferably vinyl acetate especially.
The suitable monomer that is selected from acrylate and methacrylic ester is the ester with straight or branched alcohol of 1-15 carbon atom.Preferred methacrylic ester and acrylate are methyl acrylate, methyl methacrylate, ethyl propenoate, Jia Jibingxisuanyizhi, propyl acrylate, propyl methacrylate, n-butyl acrylate, n-BMA, tert-butyl acrylate, methacrylic tert-butyl acrylate, vinylformic acid (2-ethylhexyl) ester.Be preferably methyl acrylate, methyl methacrylate, n-butyl acrylate, tert-butyl acrylate and vinylformic acid (2-ethylhexyl) ester especially.
Preferred aromatic vinyl material is vinylbenzene, vinyl toluene and Vinyl toluene.Preferred halogen ethene is vinylchlorid.Preferred alkene is ethene, propylene, and preferred diolefine is 1,3-butadiene and isoprene.
If necessary, copolymerization has auxiliary monomer based on 0.1～5wt% of monomer mixture gross weight in addition.Preferably, use the auxiliary monomer of 0.5～2.5wt%.The example of auxiliary monomer has olefinic unsaturated monocarboxylic acid and dicarboxylic acid, is preferably vinylformic acid, methacrylic acid, fumaric acid and toxilic acid; Unsaturated carboxylic acid amides of olefinic and nitrile are preferably acrylamide and vinyl cyanide; The monoesters of fumaric acid and toxilic acid and diester are as diethyl and diisopropyl ester; Also have maleic anhydride, olefinic unsaturated sulfonic acid or their salt, be preferably vinyl sulfonic acid, 2-acrylamido-2-methyl propane sulfonic acid.Other example has the precrosslink comonomer, many unsaturated comonomers of olefinic for example, hexanodioic acid divinyl ester for example, diallyl maleate, allyl methacrylate(AMA), or triallyl cyanurate, perhaps crosslinked back comonomer, acrylamido oxyacetic acid (AGA) for example, methacryloyl amido methyl glycolate (MAGME), N hydroxymethyl acrylamide (NMA), the N-methylol methacrylamide, N-methylol allyl carbamate, alkyl ester, for example the isobutoxy ether or the ester of following material: N hydroxymethyl acrylamide, N-methylol methacrylamide and N-methylol allyl carbamate.Suitable epoxy-functional comonomer, for example glycidyl methacrylate and glycidyl acrylate in addition.Other example has silicon functionalized comonomer, for example acryloxy propyl trialkoxy silane and methacryloxypropyl trialkoxy silane, vinyl trialkyl oxysilane and vinyl methyl dialkoxy silicane, wherein alkoxyl group can be, for example, oxyethyl group and ethoxy-c glycol ether.Can also mention monomer with hydroxyl or CO group; for example; hydroxyalkyl methacrylate and acrylic acid hydroxy alkyl ester; for example hydroxyl ethyl ester, hydroxypropyl acrylate or the hydroxy butyl ester of acrylic or methacrylic acid; also has following compound; for example, acrylic or methacrylic acid diacetone acrylamide, and acrylic or methacrylic acid acetoacetoxy ethyl ester.
The part by weight of monomer and comonomer is done following selection: make to obtain usually＜40 ℃, be preferably-10 ℃～+ 25 ℃ glass transition temperature Tg.Can adopt known way to pass through the glass transition temperature Tg that dsc (DSC) is measured polymkeric substance.Also can roughly calculate Tg by the Fox equation in advance.According to Fox T.G., Bull.Am.Physics Soc.1,3,123 pages of (1956): 1/Tg=x1/Tg1+x2/Tg2+...+xn/Tgn, wherein xn is the massfraction (wt%/100) of monomer n, and Tgn is the second-order transition temperature (in Kelvin's temperature) of the homopolymer of monomer n.The Tg value of homopolymer is at Polymer Handbook the 2nd edition, J.Wiley ﹠amp; Sons, NewYork provides in (1975).
Be preferably and comprise one or more following monomeric homopolymer or multipolymers: vinyl acetate, have alpha-branched monocarboxylic vinyl ester, vinylchlorid, ethene, methyl acrylate, methyl methacrylate, ethyl propenoate, Jia Jibingxisuanyizhi, propyl acrylate, propyl methacrylate, n-butyl acrylate, n-BMA, vinylformic acid (2-ethylhexyl) ester, vinylbenzene that 9～11 carbon atoms are arranged.Be preferably the multipolymer that comprises vinyl acetate and ethene especially; Comprise vinyl acetate, ethene and have the multipolymer of the alpha-branched monocarboxylic vinyl ester of 9～11 carbon atoms; The multipolymer that comprises n-butyl acrylate and vinylformic acid (2-ethylhexyl) ester and/or methyl methacrylate; Comprise that vinylbenzene and one or more are selected from the monomeric multipolymer of methyl acrylate, ethyl propenoate, propyl acrylate, n-butyl acrylate, vinylformic acid (2-ethylhexyl) ester; Comprise that vinyl acetate and one or more are selected from the monomer of methyl acrylate, ethyl propenoate, propyl acrylate, n-butyl acrylate, vinylformic acid (2-ethylhexyl) ester and the multipolymer of optional ethene; The multipolymer that comprises 1,3-butadiene and vinylbenzene and/or methyl methacrylate and optional other acrylate; Described these mixtures are if suitably, can also comprise one or more auxiliary monomers mentioned above.
Most preferably be the above-mentioned composition that additionally contains based on 0.1～5wt% of total polymer: olefinic unsaturated monocarboxylic acid and dicarboxylic acid, for example vinylformic acid, methacrylic acid, fumaric acid and toxilic acid derived from the monomeric unit of following one or more comonomers; Unsaturated carboxylic acid amides of olefinic and nitrile, for example acrylamide and vinyl cyanide; The monoesters of fumaric acid and toxilic acid and diester, and maleic anhydride; The olefinic unsaturated sulfonic acid; Or their salt, be preferably vinyl sulfonic acid, 2-acrylamido-2-methyl propane sulfonic acid.
Existing under the condition of protective colloid, be prepared into membrane polymer by emulsion polymerization or suspension polymerization, preferably prepare by emulsion polymerization.Polymerization temperature is generally 40 ℃～100 ℃, is preferably 60 ℃～90 ℃, and the copolymerization of gaseous monomer such as ethene also can be carried out under superatmospheric pressure, carries out under 5 crust～100 crust usually.Come initiated polymerization by combination water-soluble or that be dissolved in monomeric initiator or redox initiator commonly used in letex polymerization or the suspension polymerization.The example of water soluble starter has Sodium Persulfate, hydrogen peroxide, Diisopropyl azodicarboxylate.The example that is dissolved in monomeric initiator has peroxide two carbonic acid two cetyl, peroxide two carbonic acid two cyclohexyls, dibenzoyl peroxide.The consumption of described initiator is generally 0.01～0.5wt% of monomer gross weight.Use the combination of described initiator and reductive agent bonded as redox initiator.Appropriate reductant is, for example, and S-WAT, hydroxyl methane-sulfinic acid sodium and xitix.The amount of reductive agent is preferably 0.01～0.5wt% of monomer gross weight.
In order to control molecular weight, can between polymerization period, use instrumentality matter.If the use conditioning agent, their consumption is generally the 0.01～5.0wt% that treats the polymerization single polymerization monomer gross weight, its can be introduced separately into or with the reactive component pre-mixing.Examples of substances has n-dodecyl mercaptan, uncle's lauryl mercaptan, thiohydracrylic acid, mercapto-propionate, Virahol and acetaldehyde like this.Preferably do not use the adjusting material.
Suitable protective colloid is the polyvinyl alcohol of partial hydrolysis or complete hydrolysis; Polyvinylpyrrolidone; Polyvinyl acetal; The polysaccharide of water-soluble form, for example starch (amylose starch and amylopectin), Mierocrystalline cellulose and their carboxymethyl, methyl, hydroxyethyl, hydroxypropyl derivatives; Protein, for example casein or caseinate, soybean protein, gelatin; Lignin sulfonate; Synthetic polymer, for example multipolymer of poly-(methyl) vinylformic acid, (methyl) acrylate and carboxy-functionalized comonomer unit, poly-(methyl) acrylamide, polyvinylsulfonic acid and their water solubility copolymer; Melamine-formaldehyde sulphonate, naphthalene-formaldehyde sulphonate, styrene-maleic acid and vinyl ether-maleic acid.The polyvinyl alcohol of partial hydrolysis or complete hydrolysis preferably.Special selective hydrolysis degree be 80～95mol%, intensity be H  ppler viscosity in 4% the aqueous solution be 1～30mPas (under 20 ℃, H  ppler method, the polyvinyl alcohol of partial hydrolysis DIN53015).
After polymerization is finished, can use currently known methods to carry out post polymerization (after-polymerization), remove residual monomer, for example the post polymerization that causes by redox catalyst.Also can be by distillation, volatile residual monomer is removed in preferred underpressure distillation, if suitable, make inertia gas-entrained as air, nitrogen or steam by polyblend or pass through above it.Can adopt the solids content of the aqueous dispersion that this mode obtains is 30～75wt%, is preferably 50～60wt%.
For make can the water redispersion polymer powder compositions, for example dispersion is carried out drying by fluidised bed drying, lyophilize or spraying drying, if suitable, carry out drying after as the atomizing auxiliary agent adding protective colloid.Preferably, dispersion is carried out spraying drying.Spraying drying is carried out in conventional spray drying unit, can atomize by single fluid, double fluidization or multithread body nozzle or by rolling disc.Depend on that temperature out is generally 45 ℃～120 ℃, is preferably 60 ℃～90 ℃ in device, the Tg of resin and required degree of drying.The viscosity of charging to be atomized is set via solids content so that acquisition＜500mPas (20 change and 23 ℃ under brookfield viscosity), be preferably＜value of 250mPas.The solids content of dispersion to be atomized is＞35%, be preferably＞40%.
Usually, total consumption of atomizing auxiliary agent is 0.5～30wt% of dispersion polymerization composition.This means that the total amount of protective colloid should be at least 1 of polymeric constituent～30wt% before the drying process; Preferred 5～the 20wt% that uses polymeric constituent.
Suitable atomizing auxiliary agent is, for example, and above-mentioned protective colloid.Preferably, except that polyvinyl alcohol, the protective colloid that does not use other is as the atomizing auxiliary agent.
Usually find that the defoamer that content is at most the 1.5wt% of extruded polymer is favourable in atomizing.For improving storage by improving adhesion stability, particularly under the low situation of the second-order transition temperature of powder, the powder that obtains can mix with anti (anti-hard caking agent), and the amount of anti is preferably 1～30wt% of polymeric component.The example of anti is lime carbonate or magnesiumcarbonate, talcum, gypsum, silicon-dioxide, kaolin such as metakaolin, silicate, and its particle diameter is preferably 10nm～10 μ m.
Be to improve hydrophobicity, can be selected from the hydrophobizing agent of lipid acid, derivative of fatty acid and silicoorganic compound in dispersion, adding one or more before the drying.Be suitable for the compound of this purpose, for example, list in DE-A 10323205.
The loam material of construction of modification is suitable for use as loam base plaster material, loam pargeting material and loam decorative paint according to the present invention, especially for interior walls and roof, but also is used for external wall and moist house; Loam mortar as building the loam brick for example is used for inserting of wooden form, as the loam blade coating filler on floor/wall/roof; With as the loam building adhesive.The loam material of construction of modification also is favourable in the manufacturing of loam molding according to the present invention, thinks that they provide higher stability and intensity, for example is used for loam/clay profile, loam/clay brick, extrudes the loam mould.
Unexpectedly, by dispersion powder the loam mortar is carried out upgrading and causes physical strength (bend tension intensity, compressive strength, adhesive power) value to greatly increase, considerably beyond other based on known degree in the building system of cement, gypsum or hydrogenation lime and the mortar.When use has the dispersion powder of hydrophobic interaction, unexpectedly, can realize that not only water absorbs greatly reduction, and realize very excellent waterproofness and moistureproofness, make these products be suitable for exterior use equally.
Embodiment
The present invention will be described by the following example.
Use following redispersion powders composition:
Redispersion powders 1:
Vinyl acetate-ethylene copolymer of Tg=18 ℃
The 12wt% polyvinyl alcohol
The 15wt% anti
Redispersion powders 2:
Vinyl acetate-ethene of Tg=5 ℃-VeoVa10 terpolymer
The 12wt% polyvinyl alcohol
The 15wt% anti
In following loam preparaton, redispersion powders is tested:
350.0 the dry loam powder of weight part
70.0 weight part silica sand HR (0.1-1.2mm)
250.0 weight part silica sand HR (0.2-0.7mm)
300.0 weight part silica sand 81T (0.1-0.4mm)
0.5 weight part modified alta-mud (Optibent CP)
0.3 weight part ether of cellulose (Walocel MKX 6000PF50L)
1.5 weight part flax fiber F513/6
X weight part redispersion powders
Bonding test of drawing group intensity:
In order to test bonding to base material, with the loam mortar by template (diameter: 50mm, thickness: 10mm) put on clay brick.After mortar solidifies, by epoxy resin binder metal pull bar was glued onto on the loam mortar to be measured afterwards in 27 days, carries out bonding drawing and dial strength test.
In all cases, after following storage requirement, dial intensity according to bonding the drawing of DIN CEN 1897 tests.
Store down in standard temperature and humidity condition (SC):
Under 23 ℃, 50% atmospheric moisture, stored 28 days.
Heat-storage (HS):
Under standard conditions, stored 14 days, stored 14 days down at 70 ℃ subsequently.
According to DIN 18156, after carrying out above-mentioned storage, the equipment that draws back of use Herion is advanced the speed with the load of 250N/s and is carried out the bonding mensuration of dialling intensity of drawing under the various situations.Observed value is with N/mm 2Meter, and be the mean value of 5 measurements.After 2 storage requirement, measure bonding drawing and dial intensity.
Water absorbs test:
For test water absorbs, the loam bed of mortar that 4mm is thick is applied to meet the cellular concrete plate of DIN52617 by spatula.After the loam mortar drying, in the sealing of lateral edges place, bed of mortar immerses in the water downwards with test specimen.Weight from the unit surface unit time increases the absorption of mensuration water then, and water absorbs with kg/m 2h 0.5Meter (table 1).
The weathering resistance test:
Various loam mortar are applied to the concrete slab of drop priming with the 10mm thick-layer, after dry 28 days, are exposed in the open air weathering 15 months.With the moon is at interval, by the influence of visual assessment weathering to the loam bed of mortar.The time that table 1 indication bed of mortar drops.
Table 1:
Powder 1 [weight part] 0 5 20 40
Powder 2 [weight part] 5 20 40
Bonding drawing dialled strength S C[N/mm 2] 0.22 0.66 2.19 4.54 1.28 3.68 6.91
H 2O absorbs [kg/m 2h 0.5] * 1.88 0.05 0.03 1.81 1.43 0.41
Weathering resistance 1 month 12 months ** ** 6 months ** **
*After=30 minutes sample cracked-can not test
*Bed of mortar is still complete fully after=15 months

Claims (9)

  1. But a water redispersion, do not contain the purposes of polymer powder compositions in the loam material of construction of emulsifying agent, described composition comprises one or more film-forming polymers, one or more protective colloids and optional anti.
  2. 2. purposes according to claim 1, it is characterized in that having based on one or more following monomeric film-forming polymers: vinyl ester, (methyl) acrylate, aromatic vinyl material, alkene, 1,3-diolefine and halogen ethene and optionally can with other monomer of its copolymerization.
  3. 3. purposes according to claim 2 is characterized in that having the film-forming polymer that is selected from following material: vinyl acetate homopolymer; The multipolymer that comprises vinyl acetate and ethene; Comprise vinyl acetate, ethene and have the multipolymer of the alpha-branched monocarboxylic vinyl ester of 9～11 carbon atoms; The multipolymer that comprises n-butyl acrylate and vinylformic acid (2-ethylhexyl) ester and/or methyl methacrylate; Comprise that vinylbenzene and one or more are selected from the monomeric multipolymer of methyl acrylate, ethyl propenoate, propyl acrylate, n-butyl acrylate, vinylformic acid (2-ethylhexyl) ester; Comprise that vinyl acetate and one or more are selected from the monomer of methyl acrylate, ethyl propenoate, propyl acrylate, n-butyl acrylate, vinylformic acid (2-ethylhexyl) ester and the multipolymer of optional ethene; Comprise 1,3-butadiene and vinylbenzene and/or methyl methacrylate and the optional multipolymer of other acrylate.
  4. 4. according to any described purposes in the claim 1～3, it is characterized in that having the protective colloid that is selected from following material of 0.1～30wt%: the polyvinyl alcohol of partial hydrolysis or complete hydrolysis; Polyvinylpyrrolidone; Polyvinyl acetal; Starch, Mierocrystalline cellulose and their derivative; Protein; Lignin sulfonate; Poly-(methyl) vinylformic acid; The multipolymer of (methyl) acrylate and carboxy-functionalized comonomer unit; Poly-(methyl) acrylamide; Polyvinylsulfonic acid and their water solubility copolymer; Melamine-formaldehyde sulphonate; Naphthalene-formaldehyde sulphonate; Styrene-maleic acid and vinyl ether-maleic acid.
  5. 5. according to any described purposes in the claim 1～4, it is characterized in that having the anti of 1～30wt%.
  6. 6. according to any described purposes in the claim 1～5, it is used for loam base plaster material, loam pargeting material and loam decorative paint.
  7. 7. according to any described purposes in the claim 1～5, it is used for loam mortar and loam blade coating filler.
  8. 8. according to any described purposes in the claim 1～5, it is used for the loam building adhesive.
  9. 9. according to any described purposes in the claim 1～5, it is used for the loam molding.
CNB2005800085348A 2004-03-18 2005-03-10 Use of polymer powder compositions capable of redispersing in water for loam construction materials Expired - Fee Related CN100497235C (en)

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DE200410013468 DE102004013468A1 (en) 2004-03-18 2004-03-18 Use of water-redispersible polymer powder compositions in clay building materials
DE102004013468.5 2004-03-18

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CN100497235C CN100497235C (en) 2009-06-10

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CN103906721A (en) * 2011-10-28 2014-07-02 陶氏环球技术有限公司 Use of polyurethane powder as inner additive of redispersible polymer powder
CN104797651B (en) * 2012-09-28 2017-06-06 罗门哈斯公司 Suitable for the redispersible polymer powder mixture of dry type mixing preparation
CN110461888A (en) * 2017-02-17 2019-11-15 瓦克化学股份公司 The purposes that aqueous polymer dispersion is bonded in high-molecular porous material interface

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CZ302139B6 (en) * 2008-10-23 2010-11-10 Claylab S.R.O. Unfired clay stabilized with polymers
DE102008044395A1 (en) 2008-12-05 2010-06-10 Wacker Chemie Ag Drainage concrete composition
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AT512883B1 (en) * 2012-04-18 2017-09-15 Edmund Kern Hubert Dried, unfired, diffusible, water-resistant and frost-resistant, economical, ecological marl and / or clay and / or loam and / or mixed forms thereof
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DE10253046A1 (en) * 2002-11-14 2004-06-03 Wacker Polymer Systems Gmbh & Co. Kg Protective colloid-stabilized polymers in the form of their aqueous dispersions and water-redispersible powders

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CN102295790A (en) * 2010-06-15 2011-12-28 陶氏施塔德生产公司 Redispersible polymer powder compositions prepared from styrene butadiene-based latex for dry mix formulations
CN102295790B (en) * 2010-06-15 2015-04-08 陶氏环球技术有限公司 Redispersible polymer powder compositions prepared from styrene butadiene-based latex for dry mix formulations
CN102070924A (en) * 2010-12-19 2011-05-25 陈新云 Multifunctional facing coating of wood fireproof door
CN102070924B (en) * 2010-12-19 2012-11-07 陈新云 Multifunctional facing coating of wood fireproof door
CN103906721A (en) * 2011-10-28 2014-07-02 陶氏环球技术有限公司 Use of polyurethane powder as inner additive of redispersible polymer powder
CN103906721B (en) * 2011-10-28 2016-10-05 陶氏环球技术有限公司 The application of the inner additive as redispersible polymer powder for the polyurethane powder
CN104797651B (en) * 2012-09-28 2017-06-06 罗门哈斯公司 Suitable for the redispersible polymer powder mixture of dry type mixing preparation
CN110461888A (en) * 2017-02-17 2019-11-15 瓦克化学股份公司 The purposes that aqueous polymer dispersion is bonded in high-molecular porous material interface

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EP1725507A2 (en) 2006-11-29
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