CN100384785C - Water type multi-functional, hydrophobic, air-permeability and porous material, prepn. method and application thereof - Google Patents
Water type multi-functional, hydrophobic, air-permeability and porous material, prepn. method and application thereof Download PDFInfo
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- CN100384785C CN100384785C CNB2006100391227A CN200610039122A CN100384785C CN 100384785 C CN100384785 C CN 100384785C CN B2006100391227 A CNB2006100391227 A CN B2006100391227A CN 200610039122 A CN200610039122 A CN 200610039122A CN 100384785 C CN100384785 C CN 100384785C
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Abstract
The present invention discloses a water type multifunctional hydrophobic air-permeability porous material, a manufacture method and the application thereof, which belongs to the technical fields of building water prevention, heat insulating materials and architectural finish. The water type multifunctional hydrophobic air-permeability porous material of the present invention has good water resistance and easy polishing performance. A coating layer has no foam, no falling and no yellowing after being soaked for 30 days, and can be widely used in the technical fields of water prevention, heat insulation, etc. of inner wall and outer wall coating layers of buildings, woodenware and buildings. The water type multifunctional hydrophobic air-permeability porous material of the present invention contains water, cellulose sol, aqueous dispersant, polymer emulsion and hydrophobic inorganic stuffing, wherein the hydrophobic inorganic stuffing is prepared by high speed dispersion of hydrophobic organic substances and inorganic stuffing, wherein the weight of the dosage of the hydrophobic organic substance is 1 to 10% of that of the inorganic stuffing.
Description
Technical field
The present invention relates to a kind of porous material, also relate to its manufacture method and application simultaneously,, belong to buildings waterproof, lagging material and architectural finish technical field more specifically to a kind of water type multi-functional, hydrophobic, air-permeability porous material, manufacture method and application thereof.
Background technology
The general constituent of the ventilating porous property of traditional water-based material is inorganic materials such as suitable positions, gypsum or air-setting white lime, and the preparation of the water-based organic polymer binder of employing and inorganic filling material (stone flour etc.) is also arranged.Be widely used in material of construction at present, as motar, the building surface application is with filling and leading up putty, fields such as woodenware putty.At present the present situation of this material is can't reach promptly to have water tolerance preferably and have easy grinability in the construction again.Mainly comprise mineral filler and tackiness agent in the prescription, mainly contain following several types at present: but when 1. using water soluble fiber element or starch to make tackiness agent, the construction of polishing easily after the coating, but because of the material water-absorbent strong, cause water resisting property poor, moisture content enters coating by wicking action easily, it is loose that coating is expanded, cause coating and the compound coating distortion of forming as bottom or middle level thereof, bubble even come off, just exist the problems referred to above as Chinese patent 01138776.9 disclosed a kind of feature of environmental protection high-strength water-proof putty powder and production technique thereof; When 2. using cement as tackiness agent and filler body, coating has strong basicity, destroys the color stability of pigment in the compound coating, also is difficult for doing meticulous polishing leveling in the construction and handles; 3. use water based emulsion class or water-soluble polymer as tackiness agent, though water tolerance increases, but also can not block the permeable phenomenon of capillary, and cause difficult polishing, the cost height, as Chinese patent was on April 9th, 2003 in open day, and publication number is that CN1408794A discloses a kind of water-proof mastic for wall and just exists this deficiency.
Summary of the invention
The invention solves above-mentioned problems of the prior art with not enough, a kind of water type multi-functional, hydrophobic, air-permeability porous material is provided, this material not only has water tolerance, low suction has easy grinability simultaneously.
The present invention also provides the manufacture method and the application thereof of this water type multi-functional, hydrophobic, air-permeability porous material.
The present invention is achieved by the following technical solutions:
Water type multi-functional, hydrophobic, air-permeability porousness paste material of the present invention, include water, Mierocrystalline cellulose colloidal sol, aqueous dispersant and polymer emulsion, also include the hydrophobic inorganic filler, described hydrophobic inorganic filler is that hydrophobic organic is made through high speed dispersion with mineral filler, and wherein the consumption of hydrophobic organic is 1～10% of a mineral filler weight.
Water type multi-functional, hydrophobic, air-permeability porousness paste material of the present invention is made up of each material of following weight percent:
Hydrophobic inorganic filler 20%～80%
Aqueous sol 5%～20%
Water-based polymer resin 5%～20%
Water 5%～30%
Defoamer 0%～1%
Mould inhibitor 0%～1%
Film coalescence aid 0.25%～1%
Anti-crack fiber 0%～3%
Described mineral filler is at least a kind of in lime carbonate, calcite, talcum powder, barium sulfate, mica powder, zinc sulfide white, ground dolomite, titanium dioxide, wollastonite, kaolin, silica powder or other natural stone-powder; Described hydrophobic organic is to be at least a kind of in synthetic wax, natural wax, stearic acid, Zinic stearas, dibutyl phthalate, triphenylphosphate, hydrogenated castor oil, silane coupling agent, titanate coupling agent, polyethylene wax, Poly Propylene Wax or the methyl-silicone oil.
In the water type multi-functional, hydrophobic, air-permeability porousness paste material of the present invention, described aqueous sol preferably water cellulose of solubleness and derivative thereof are poly-, vinyl alcohol, water soluble starch, water-soluble plant glue or water soluble animal glue; Described aqueous dispersant preferred anionic type or non-ionic type wetting dispersing agent; The preferred benzene emulsion of described superpolymer water-base resin, acrylate and vinyl acetate emulsion, pure-acrylic emulsion, styrene-butadiene latex, aqueous epoxy resins, water-borne acrylic resin and superpolymer aqueous liquid dispersion; The preferred SPA-202 emulsion defoamer of described defoamer, silicone emulsion, water-based silicone oil or tributyl phosphate; Preferred benzisothiazole ketone of described mould inhibitor or 2-(4-thiazolyl) benzoglyoxaline; Described film coalescence aid is preferred 1,2-propylene glycol, TEXANOL ester alcohol, gylcol ether and acetic ester, propylene glycol ethers and acetic ester thereof; Preferred 1～3 millimeter weak point of described anti-crack fiber cut plant fiber or synthon.
The preferred Natvosol of described water soluble cellulose and derivative thereof, carboxymethyl cellulose or methylcellulose gum; Described anionic wetting dispersing agent or non-ionic type wetting dispersing agent preferred alkyl benzene sulfonate, sodium alkyl sulfonate, alkyl aryl polyethyleneglycol ether sodium sulfonate, alkyl virtue polyvinyl ether, Sorbitol Powder alkylide or polyoxyethylene alkylphenol base ether; Described vegetable fibre preferred plant flaxen fiber; Described synthon are polypropylene fibre, polyster fibre or vinylon fibre.
Above-mentioned water type multi-functional, hydrophobic, air-permeability porousness paste preparation methods may further comprise the steps:
A) hydrophobic organic is made the hydrophobic inorganic filler with mineral filler being higher than under the melt and dissolved temperature of hydrophobic organic through high speed dispersion;
B) other raw material except the hydrophobic inorganic filler is dropped in the agitator, after stirring the hydrophobic inorganic filler is progressively added under stirring at low speed, promptly make water type multi-functional, hydrophobic, air-permeability porousness paste material of the present invention after stirring.
Water type multi-functional, hydrophobic, air-permeability porousness powder material of the present invention, include water soluble cellulose powder, solubility latex powder, aqueous colloidal dispersion powder, tackify material and mould inhibitor, also include the hydrophobic inorganic filler, described hydrophobic inorganic filler is that hydrophobic organic is made being higher than under the melt and dissolved temperature of hydrophobic organic through high speed dispersion with mineral filler, and wherein the consumption of hydrophobic organic is 1～10% of a mineral filler weight.
Water type multi-functional, hydrophobic, air-permeability porousness powder material of the present invention is made up of each material of following weight percent:
Hydrophobic inorganic filler 50%～80%
Water soluble cellulose powder 10%～20%
Solubility latex powder 5%～20%
Aqueous colloidal dispersion powder 2%～15%
Tackify material 0.1%～1%
Mould inhibitor 0%～1%
Described mineral filler is at least a kind of in lime carbonate, calcite, talcum powder, barium sulfate, mica powder, zinc sulfide white, ground dolomite, titanium dioxide, wollastonite, kaolin, silica powder or other natural stone-powder; Described hydrophobic organic is to be at least a kind of in synthetic wax, natural wax, stearic acid, Zinic stearas, dibutyl phthalate, triphenylphosphate, hydrogenated castor oil, silane coupling agent, titanate coupling agent, polyethylene wax, Poly Propylene Wax or the methyl-silicone oil.
In the water type multi-functional, hydrophobic, air-permeability porousness powder material of the present invention, described water soluble cellulose powder preferably carboxymethyl cellulose powder or Natvosol powder; The homopolymer or the multipolymer re-dispersible glue powder of the preferred soluble poly acrylic latex powder of described solubility latex powder, vinyl acetate between to for plastic, tertiary monocarboxylic acid ethene fat, ethene; Preferred Zulkovsky starch of described aqueous colloidal dispersion powder or starch ethers; Preferred water-based wilkinite of described tackify material or attapulgite powder; Described mould inhibitor preferred and isothiazolinone or 2-(4-thiazolyl) benzoglyoxaline.
The preparation method of above-mentioned water type multi-functional, hydrophobic, air-permeability porousness powder material may further comprise the steps:
A) hydrophobic organic is made the hydrophobic inorganic filler with mineral filler being higher than under the melt and dissolved temperature of hydrophobic organic through high speed dispersion;
B) hydrophobic inorganic filler and other raw material are dropped into the powder mixing tank, mixing and stirring promptly makes water type multi-functional, hydrophobic, air-permeability porousness powder material of the present invention.
Water type multi-functional, hydrophobic, air-permeability porous material of the present invention drapes over one's shoulders the application of smearing on material and the lagging material in building inside and outside wall putty, woodenware putty, waterproof gasket cement, waterproof.
The present invention has following beneficial effect:
Water type multi-functional, hydrophobic, air-permeability porous material of the present invention also has easy grinability when having excellent water resistance, coating is soaked in water after 30 days and is not still bubbled, comes off, not flavescence, can be widely used in building inside and outside wall coating, woodenware and fields such as buildings waterproof, insulation.When material of the present invention was used for inner wall putty, application property was good, easily polishing, and water-intake rate is low, and alkali resistant is water-fast, just can easily brush without priming paint, can improve the brushing homogeneity of coloured enamel especially, reduces the finish paint consumption, and beneficial effect is remarkable.When being used for exterior wall putty, application property is good, and water-intake rate is low, and freeze-thaw resistance is good, and alkali resistant is water-fast, effectively stops the intrusion of outdoor rainwater and overflowing of body of wall water-soluble salt, the generation of phenomenon such as can effectively prevent outer wall paint peeling, bubbling, grow dim, ftracture, come off.When being used for woodenware putty, except that traditional performance, having more outstanding easy grinability and water tolerance, particularly permeability and can make woodenware have better preventing deformation with water based emulsion woodenware putty.When being used for buildings waterproof, lagging material, the waterproof that can be used as Waterproof sealing compound, water-proof putty, hydrophobic, air-permeability type waterproof roll, buried concrete is scraped the manufacturing of smearing material and hydrophobic insulation rubber cement.Technical progress of the present invention is to be to adopt strong-hydrophobicity organism coated inorganic filler and aqueous colloidal dispersion, high molecular emulsion to prepare, behind its drying and moulding, form hydrophobic kapillary, just because this hydrophobic effect capillaceous makes it have ventilative and fluid-tight effect, the porous capillary material made from water-based material had then both been breathed freely also permeable in the past, compare with hydrophobic porous capillary material, then have characteristics such as environmental protection, energy-conservation, with low cost and easy manufacturing with the hydrophobic organic polymer material manufacturing of solvent-borne type.
Description of drawings
Fig. 1 forms hydrophobic capillary phenomenon synoptic diagram for material of the present invention
Fig. 2 forms hydrophilic capillary phenomenon synoptic diagram for general material
Among the figure: 1-coating, 2-kapillary, 3-air, 4-water, 5-wetting angle
1 '-coating, 2 '-kapillary, 3 '-water, 4 '-water
Embodiment
Material of the present invention forms the porous capillary structure after having high PVC characteristic coating drying and moulding, because being the capillary sheet of hydrophobic inorganic filler thereby formation, body of material reveals hydrophobic kapillary feature, identical with common capillary phenomenon is to have air permeability and good, but after immersion, because hydrophobic capillary wall has extremely low surface tension, the wetting angle that water and tube wall form stops water at its moistened surface, water can't be full of kapillary and form the kapillary current, thereby makes hydrophobic kapillary have ventilative but fluid-tight effect.Air in the accompanying drawing 1 hydrophobic kapillary can be confirmed that Fig. 2 shows that then common hydrophilic kapillary immersion back forms the phenomenon of kapillary current by embodiment 1 with the water-intake rate test of Comparative Examples.Material of the present invention has the minimizing that good grinability then derives from dewatering filling surface adsorption water, thereby makes the easy grinability of water ratio decline raising of material.The decline of the close attached power of the hydrophilic radical of emulsion particle tensio-active agent and active filler has also improved easy grinability in addition.The raw material consumption all is weight parts among the embodiment.
Embodiment 1: build the preparation of wall with hydrophobic paste putty
A) 500 part of 800 order water-ground limestone, 150 part of 320 order talcum powder, 30 parts of paraffin are added in the super mixer, be heated to 65 degree Celsius, high-speed mixing 30 minutes;
B) in agitator, add 270 parts of water, 4 parts of Natvosols, after stirring and dissolving becomes limpid colloid, add 80 parts of benzene emulsions, 3.5 parts of TEXANOL film coalescence aid, 1 part of mould inhibitor, 2 parts of defoamers, the back that stirs adds steps A) in the hydrophobic powder for preparing, restir gets final product after evenly.Applying after the drying after testing, its performance sees Table 1.
Embodiment 2: the preparation of aqueous architectural sealing compound
A) 200 part of 800 order light calcium carbonate, 450 part of 500 order calcite in powder, 20 parts of paraffin and 10 parts of methyl-silicone oils are added in the super mixer, be heated to 65 degree Celsius, high-speed mixing 30 minutes;
B) in agitator, add 200 parts of water, 4 parts of Natvosols, after stirring and dissolving becomes limpid colloid, add 150 parts of elasticity pure-acrylic emulsions, 7.5 parts of TEXANOL film coalescence aid, 1 part of mould inhibitor, 2 parts of defoamers, adding steps A after stirring) the hydrophobic powder for preparing in, add 5 parts of polypropylene fibres after stirring, restir evenly back vacuumizing and defoaming gets final product.Applying after the drying after testing, its performance sees Table 1.
Embodiment 3: the preparation of the anti-water mortar of aqueous insulation
A) with 300 part of 200 order water-ground limestone, 150 part of 60 order silica powder, 300 parts of swelling perlite powders, 30 parts of polyethylene waxs add in the super mixer, are heated to 85 degree Celsius, high-speed mixing 30 minutes;
B) in agitator, add 200 parts of water, 4 parts of Natvosols, after stirring and dissolving becomes limpid colloid, add 150 parts of benzene emulsions, 7.5 parts of TEXANOL film coalescence aid, 1 part of mould inhibitor, 2 parts of defoamers, the back that stirs adds steps A) in the hydrophobic powder for preparing, restir gets final product after evenly.Applying after the drying after testing, its performance sees Table 1.
Embodiment 4: the preparation of water-based hydrophobic dry-powder putty
A) 600 part of 320 order water-ground limestone, 250 part of 320 order talcum powder, 20 parts of paraffin and 20 parts of stearic acid are added in the super mixer, be heated to 65 degree Celsius, high-speed mixing 30 minutes;
B) in the powder agitator, add 100 parts of solubility latex powder, 10 parts of carboxymethyl celluloses, 10 parts of Zulkovsky starch, 20 parts of tackify material water-based bentonite in powder, 1 part of mould inhibitor, the backs that stir and add steps A) in the hydrophobic powder for preparing, restir gets final product after evenly.Add water during use and become paste, applying after the drying after testing, its performance sees Table 1.
Embodiment 5: the preparation of aqueous architectural waterproof roll
A) 200 part of 800 order light calcium carbonate, 450 part of 500 order calcite in powder, 30 parts of paraffin are added in the super mixer, be heated to 65 degree Celsius, high-speed mixing 30 minutes;
B) in agitator, add 200 parts of water, 4 parts of Natvosols, after stirring and dissolving becomes limpid colloid, add 200 parts of elasticity pure-acrylic emulsions, 10 parts of TEXANOL film coalescence aid, 1 part of mould inhibitor, 2 parts of defoamers, adding steps A after stirring) the hydrophobic powder for preparing in, add 5 parts of polypropylene fibres after stirring, restir evenly back vacuumizing and defoaming gets final product;
C) with above-mentioned steps B) in the even shakedown of plaster material that obtains be put on the polyester fiber non-woven fabrics, paste thickness is 1～3MM, gets final product behind the drying and moulding, surface layer also can compound polyester fiber non-woven fabrics, grid cloth or other material form sandwich type sandwich coiled material.After the drying after testing its performance see Table 1.
Comparative Examples:
In agitator, add 270 parts of water, 4 parts of Natvosols, after stirring and dissolving becomes limpid colloid, add 80 parts of benzene emulsions, 3.5 parts of TEXANOL film coalescence aid, 1 part of mould inhibitor, 2 parts of defoamers, add 500 part of 320 order water-ground limestone, 150 part of 320 order talcum powder after stirring, get final product after restir is even.Applying after the drying after testing, its performance sees Table 1.
Table 1: performance relatively
| Performance | Embodiment 1 | |
|
Embodiment 4 | Embodiment 5 | Comparative Examples |
| Water-intake rate | 8.4％ | 11.4％ | 12％ | 12.5％ | 9.5％ | 24.1％ |
| Ventilation property | Ventilative | Ventilative | Ventilative | Ventilative | Ventilative | Ventilative |
| Water-permeable | Waterproof | Waterproof | Waterproof | Waterproof | Waterproof | Permeable |
| Water tolerance | Immersion in 30 days is no abnormal | Immersion in 30 days is no abnormal | Immersion in 30 days is no abnormal | Immersion in 30 days is no abnormal | Immersion in 60 days is no abnormal | Bubbling came off in 48 hours |
| Grinability | Good | Good | Bad |
Ventilation property testing method: above-mentioned each routine paste material is scraped on the fiber board that is put on air-and water-permeable equably, thickness is 1-2mm, coat dark water-borne coatings at another side behind the drying and moulding, after the drying it being put in one has on the beaker of water, the placement that meets water of the one side of the skinning loam of scraping will be arranged, and the heating beaker observes being coated with charge level to boiling, its center site color deepens, and represents that then this material has ventilation property.
Water-permeable testing method: above-mentioned each routine paste material is scraped on the fiber board that is put on air-and water-permeable equably, thickness is 1-2mm, coat dark water-borne coatings at another side behind the drying and moulding, the vertical hollow glass tube of placing on the one side of the skinning loam of scraping will be arranged after the drying, with two contact surface adhesive seal, do solid back and in hollow glass tube, add water with glass cement, the high 20-30cm of water column, observation is coated with charge level, and its center site color deepens or has water to ooze out, and represents that then this material has water-permeable.
Claims (6)
1. water type multi-functional, hydrophobic, air-permeability porousness paste material, include water, aqueous sol, aqueous dispersant and superpolymer water-base resin, it is characterized in that also including the hydrophobic inorganic filler, described hydrophobic inorganic filler is that hydrophobic organic is made through high speed dispersion with mineral filler, wherein the consumption of hydrophobic organic is 1～10% of a mineral filler weight, and its described water type multi-functional, hydrophobic, air-permeability porousness paste material is made up of each material of following weight percent:
Hydrophobic inorganic filler 20%～80%
Aqueous sol 5%～20%
Aqueous dispersant 2%～8%
Superpolymer water-base resin 5%～20%
Water 5%～30%
Defoamer 0%～1%
Mould inhibitor 0%～1%
Film coalescence aid 0.25%～1%
Anti-crack fiber 0%～3%.
2. water type multi-functional, hydrophobic, air-permeability porousness paste material according to claim 1 is characterized in that described mineral filler is at least a kind of in lime carbonate, calcite, talcum powder, barium sulfate, mica powder, zinc sulfide white, ground dolomite, titanium dioxide, wollastonite, kaolin, silica powder or other natural stone-powder; Described hydrophobic organic is to be at least a kind of in synthetic wax, natural wax, stearic acid, Zinic stearas, dibutyl phthalate, triphenylphosphate, hydrogenated castor oil, silane coupling agent, titanate coupling agent, polyethylene wax, Poly Propylene Wax or the methyl-silicone oil.
3. water type multi-functional, hydrophobic, air-permeability porousness paste material according to claim 1 is characterized in that described aqueous sol is water soluble cellulose and derivative, polyvinyl alcohol, water soluble starch, water-soluble plant glue or water soluble animal glue; Described aqueous dispersant is anionic or non-ionic type wetting dispersing agent; Described superpolymer water-base resin is benzene emulsion, acrylate and vinyl acetate emulsion, pure-acrylic emulsion, styrene-butadiene latex, aqueous epoxy resins or water-borne acrylic resin; Described defoamer is SPA-202 emulsion defoamer, silicone emulsion, water-based silicone oil or tributyl phosphate; Described mould inhibitor is benzisothiazole ketone or 2-(4-thiazolyl) benzoglyoxaline; Described film coalescence aid is 1,2-propylene glycol, TEXANOL ester alcohol, gylcol ether and acetic ester or propylene glycol ethers and acetic ester thereof; Described anti-crack fiber is cut plant fiber or synthon of 1～3 millimeter weak point.
4. water type multi-functional, hydrophobic, air-permeability porousness paste material according to claim 3 is characterized in that described water soluble cellulose and derivative thereof are Natvosol, carboxymethyl cellulose or methylcellulose gum; Described anionic wetting dispersing agent or non-ionic type wetting dispersing agent are alkylbenzene sulfonate, sodium alkyl sulfonate, alkyl aryl polyethyleneglycol ether sodium sulfonate, alkyl virtue polyvinyl ether, Sorbitol Powder alkylide or polyoxyethylene alkylphenol base ether; Described vegetable fibre is the plant flaxen fiber; Described synthon are polypropylene fibre, polyster fibre or vinylon fibre.
5. water type multi-functional, hydrophobic, air-permeability porousness paste preparation methods according to claim 1 may further comprise the steps:
A) hydrophobic organic is made the hydrophobic inorganic filler with mineral filler being higher than under the melt and dissolved temperature of hydrophobic organic through high speed dispersion;
B) other raw material except the hydrophobic inorganic filler is dropped in the agitator, after stirring the hydrophobic inorganic filler is progressively added under stirring at low speed, promptly make water type multi-functional, hydrophobic, air-permeability porousness paste material of the present invention after stirring.
6. the described water type multi-functional, hydrophobic, air-permeability porous material of claim 1 drapes over one's shoulders the application of smearing on material, waterproof roll and the lagging material in building inside and outside wall putty, woodenware putty, waterproof gasket cement, waterproof.
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| CN1749203A (en) * | 2005-07-14 | 2006-03-22 | 重庆大学 | Heat insulation and sound insulation material for flour and its preparing method |
| CN1733647A (en) * | 2005-08-12 | 2006-02-15 | 尹燕祥 | Dry powder type wall heat-insulating material |
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|---|---|
| CN1830909A (en) | 2006-09-13 |
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