CN114806385A - Single-component building material composition containing aqueous polyurethane dispersion - Google Patents
Single-component building material composition containing aqueous polyurethane dispersion Download PDFInfo
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- CN114806385A CN114806385A CN202210638010.2A CN202210638010A CN114806385A CN 114806385 A CN114806385 A CN 114806385A CN 202210638010 A CN202210638010 A CN 202210638010A CN 114806385 A CN114806385 A CN 114806385A
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- 239000000203 mixture Substances 0.000 title claims abstract description 110
- 229920003009 polyurethane dispersion Polymers 0.000 title claims abstract description 39
- 239000004566 building material Substances 0.000 title claims abstract description 30
- 239000000463 material Substances 0.000 claims abstract description 39
- 239000002131 composite material Substances 0.000 claims abstract description 15
- 239000000843 powder Substances 0.000 claims abstract description 15
- 229940050906 magnesium chloride hexahydrate Drugs 0.000 claims abstract description 12
- DHRRIBDTHFBPNG-UHFFFAOYSA-L magnesium dichloride hexahydrate Chemical compound O.O.O.O.O.O.[Mg+2].[Cl-].[Cl-] DHRRIBDTHFBPNG-UHFFFAOYSA-L 0.000 claims abstract description 12
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 10
- 239000004925 Acrylic resin Substances 0.000 claims abstract description 9
- 229920000178 Acrylic resin Polymers 0.000 claims abstract description 9
- HHSPVTKDOHQBKF-UHFFFAOYSA-J calcium;magnesium;dicarbonate Chemical compound [Mg+2].[Ca+2].[O-]C([O-])=O.[O-]C([O-])=O HHSPVTKDOHQBKF-UHFFFAOYSA-J 0.000 claims abstract description 9
- 238000011084 recovery Methods 0.000 claims abstract description 9
- 229910052710 silicon Inorganic materials 0.000 claims abstract description 9
- 239000010703 silicon Substances 0.000 claims abstract description 9
- 229920001187 thermosetting polymer Polymers 0.000 claims abstract description 9
- 239000010455 vermiculite Substances 0.000 claims abstract description 9
- 229910052902 vermiculite Inorganic materials 0.000 claims abstract description 9
- 235000019354 vermiculite Nutrition 0.000 claims abstract description 9
- 229920002635 polyurethane Polymers 0.000 claims abstract description 4
- 239000004814 polyurethane Substances 0.000 claims abstract description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 26
- 239000003795 chemical substances by application Substances 0.000 claims description 17
- 239000004970 Chain extender Substances 0.000 claims description 9
- 230000000655 anti-hydrolysis Effects 0.000 claims description 9
- 239000008367 deionised water Substances 0.000 claims description 9
- 229910021641 deionized water Inorganic materials 0.000 claims description 9
- 238000002360 preparation method Methods 0.000 claims description 9
- XXLJGBGJDROPKW-UHFFFAOYSA-N antimony;oxotin Chemical compound [Sb].[Sn]=O XXLJGBGJDROPKW-UHFFFAOYSA-N 0.000 claims description 8
- 239000003755 preservative agent Substances 0.000 claims description 8
- 230000002335 preservative effect Effects 0.000 claims description 8
- RMAQACBXLXPBSY-UHFFFAOYSA-N silicic acid Chemical compound O[Si](O)(O)O RMAQACBXLXPBSY-UHFFFAOYSA-N 0.000 claims description 7
- ZWEHNKRNPOVVGH-UHFFFAOYSA-N 2-Butanone Chemical compound CCC(C)=O ZWEHNKRNPOVVGH-UHFFFAOYSA-N 0.000 claims description 6
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 6
- 239000004721 Polyphenylene oxide Substances 0.000 claims description 6
- 239000012752 auxiliary agent Substances 0.000 claims description 6
- 239000003054 catalyst Substances 0.000 claims description 6
- 125000005442 diisocyanate group Chemical group 0.000 claims description 6
- 238000002156 mixing Methods 0.000 claims description 6
- 230000003472 neutralizing effect Effects 0.000 claims description 6
- 229920000570 polyether Polymers 0.000 claims description 6
- 229920005862 polyol Polymers 0.000 claims description 6
- 150000003077 polyols Chemical class 0.000 claims description 6
- -1 siloxane compound Chemical class 0.000 claims description 6
- PUZPDOWCWNUUKD-UHFFFAOYSA-M sodium fluoride Chemical group [F-].[Na+] PUZPDOWCWNUUKD-UHFFFAOYSA-M 0.000 claims description 6
- 238000003756 stirring Methods 0.000 claims description 6
- 239000003431 cross linking reagent Substances 0.000 claims description 5
- 229920000191 poly(N-vinyl pyrrolidone) Polymers 0.000 claims description 5
- 239000002383 tung oil Substances 0.000 claims description 5
- 230000000844 anti-bacterial effect Effects 0.000 claims description 4
- 239000003899 bactericide agent Substances 0.000 claims description 3
- 239000011449 brick Substances 0.000 claims description 3
- 239000004568 cement Substances 0.000 claims description 3
- 238000001816 cooling Methods 0.000 claims description 3
- 238000007599 discharging Methods 0.000 claims description 3
- 230000001804 emulsifying effect Effects 0.000 claims description 3
- 239000011521 glass Substances 0.000 claims description 3
- 229910052742 iron Inorganic materials 0.000 claims description 3
- MGIYRDNGCNKGJU-UHFFFAOYSA-N isothiazolinone Chemical compound O=C1C=CSN1 MGIYRDNGCNKGJU-UHFFFAOYSA-N 0.000 claims description 3
- 238000006386 neutralization reaction Methods 0.000 claims description 3
- 238000006116 polymerization reaction Methods 0.000 claims description 3
- 238000007789 sealing Methods 0.000 claims description 3
- 238000007873 sieving Methods 0.000 claims description 3
- 239000010802 sludge Substances 0.000 claims description 3
- 239000002002 slurry Substances 0.000 claims description 3
- 239000011775 sodium fluoride Substances 0.000 claims description 3
- 235000013024 sodium fluoride Nutrition 0.000 claims description 3
- 239000007787 solid Substances 0.000 claims description 3
- 239000004575 stone Substances 0.000 claims description 3
- 210000002700 urine Anatomy 0.000 claims description 3
- 239000000654 additive Substances 0.000 claims 1
- 230000000996 additive effect Effects 0.000 claims 1
- 230000001681 protective effect Effects 0.000 abstract description 4
- 238000005034 decoration Methods 0.000 abstract description 3
- 230000007062 hydrolysis Effects 0.000 description 6
- 238000006460 hydrolysis reaction Methods 0.000 description 6
- TWRXJAOTZQYOKJ-UHFFFAOYSA-L Magnesium chloride Chemical compound [Mg+2].[Cl-].[Cl-] TWRXJAOTZQYOKJ-UHFFFAOYSA-L 0.000 description 4
- 238000005336 cracking Methods 0.000 description 4
- 238000010521 absorption reaction Methods 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 3
- 125000003178 carboxy group Chemical group [H]OC(*)=O 0.000 description 3
- 238000010276 construction Methods 0.000 description 3
- 230000003301 hydrolyzing effect Effects 0.000 description 3
- 239000012535 impurity Substances 0.000 description 3
- 238000009413 insulation Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000035699 permeability Effects 0.000 description 3
- 239000011148 porous material Substances 0.000 description 3
- 238000004321 preservation Methods 0.000 description 3
- 239000002904 solvent Substances 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- 239000000758 substrate Substances 0.000 description 3
- 230000002195 synergetic effect Effects 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000006703 hydration reaction Methods 0.000 description 2
- 229960002337 magnesium chloride Drugs 0.000 description 2
- 229910001629 magnesium chloride Inorganic materials 0.000 description 2
- 239000000395 magnesium oxide Substances 0.000 description 2
- CPLXHLVBOLITMK-UHFFFAOYSA-N magnesium oxide Inorganic materials [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 description 2
- AXZKOIWUVFPNLO-UHFFFAOYSA-N magnesium;oxygen(2-) Chemical compound [O-2].[Mg+2] AXZKOIWUVFPNLO-UHFFFAOYSA-N 0.000 description 2
- 239000003973 paint Substances 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000002421 anti-septic effect Effects 0.000 description 1
- 230000003796 beauty Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
Images
Classifications
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D175/00—Coating compositions based on polyureas or polyurethanes; Coating compositions based on derivatives of such polymers
- C09D175/04—Polyurethanes
- C09D175/08—Polyurethanes from polyethers
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D133/00—Coating compositions based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Coating compositions based on derivatives of such polymers
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/60—Additives non-macromolecular
- C09D7/61—Additives non-macromolecular inorganic
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/60—Additives non-macromolecular
- C09D7/63—Additives non-macromolecular organic
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/70—Additives characterised by shape, e.g. fibres, flakes or microspheres
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
- C08K2003/2217—Oxides; Hydroxides of metals of magnesium
- C08K2003/222—Magnesia, i.e. magnesium oxide
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/08—Stabilised against heat, light or radiation or oxydation
Landscapes
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Wood Science & Technology (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Polyurethanes Or Polyureas (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
The invention discloses a single-component building material composition containing an aqueous polyurethane dispersion, and relates to the technical field of building material compositions; in order to improve the decoration and service life of the wall and ground material; the composite material specifically comprises a main composite component, a secondary composite component, an auxiliary A composite component and an auxiliary B composite component, wherein the main composite component comprises the following materials in parts by weight: 30-80 parts of building recovery materials and 10-25 parts of aqueous polyurethane dispersoid; the secondary composition comprises the following materials in parts by weight: 8-20 parts of thermosetting acrylic resin, 3-15 parts of diatomite, 3-15 parts of vermiculite pieces, 3-10 parts of light calcined powder, 1-5 parts of calcium magnesium carbonate and 8-20 parts of magnesium chloride hexahydrate; the auxiliary A composition comprises the following materials in parts by weight: 0.5-2 parts of organic silicon. The invention effectively utilizes the existing resources, has low cost, and effectively prolongs the service life of the product while improving the protective performance of the building material composition.
Description
Technical Field
The invention relates to the technical field of building protective materials, in particular to a single-component building material composition containing an aqueous polyurethane dispersion.
Background
With the improvement of the living quality of people, the house decoration is more and more emphasized by people, and the selection of the wall and ground building materials not only influences the performances of beauty, caking property, tolerance and the like of a decoration factory, but also directly influences the health of people.
In the prior art, magnesium oxide and magnesium chloride are usually utilized to perform hydration reaction to form wall and ground building materials, and because the wall building materials formed by the hydration reaction of magnesium oxide and magnesium chloride contain structural water, the high-temperature resistance and low-temperature resistance of the wall building materials are poor, and the balance between water resistance and mechanical strength is difficult to realize, the wall and ground building materials have the defects of poor durability and stability, short service life and the like during the use. Based on the above, the building material composition which acts on walls and floors, is suitable for joint pointing agents, joint filling agents and seam beautifying agents, has good protective performance, attractive appearance, convenient construction and long service life is provided.
Disclosure of Invention
The invention aims to solve the defects in the prior art and provides a single-component building material composition containing an aqueous polyurethane dispersion.
In order to achieve the purpose, the invention adopts the following technical scheme:
a single-component building material composition containing an aqueous polyurethane dispersion comprises a main composition component, a secondary composition component, an auxiliary A composition component and an auxiliary B composition component, wherein the main composition component comprises the following materials in parts by weight: 30-80 parts of building recovery materials and 10-25 parts of aqueous polyurethane dispersoid;
the secondary composition comprises the following materials in parts by weight: 8-20 parts of thermosetting acrylic resin, 3-15 parts of diatomite, 3-15 parts of vermiculite pieces, 3-10 parts of light calcined powder, 1-5 parts of calcium magnesium carbonate and 8-20 parts of magnesium chloride hexahydrate;
the auxiliary A composition comprises the following materials in parts by weight: 0.5-2 parts of organic silicon, 0.5-2 parts of nano-grade silica sol and 0.5-2 parts of tin antimony oxide;
the auxiliary B composition comprises the following materials in parts by weight: 1-3 parts of tung oil, 0.5-3 parts of deionized water, 0.5-1.5 parts of peregal, 0.1-0.5 part of pH regulator, 0.5-3 parts of cross-linking agent and 0.3-1 part of preservative.
Preferably: the building recovery object is one of sludge slurry, broken bricks, cement blocks, broken stones, recovered glass and iron tailing powder which are not subjected to concentration treatment.
Preferably: the using mass ratio of the light burning powder to the magnesium chloride hexahydrate is 1: 5-8.
Preferably: the aqueous polyurethane dispersion consists of a siloxane compound, diisocyanate, polyether polyol and an addition auxiliary agent in a mass ratio of 6: 3: 4: 0.05;
the addition auxiliary agent comprises uretone, a catalyst, a chain extender, an anti-hydrolysis agent and a neutralizing agent.
Preferably: the preparation process of the aqueous polyurethane dispersion comprises the following steps:
a1: carrying out polymerization reaction on diisocyanate, polyether polyol, a siloxane compound and a catalyst for 3-5h at 50-80 ℃;
a2: cooling to 35 ℃, adding a neutralizing agent for neutralization reaction for 20min, adding urine butanone and an anti-hydrolysis agent, and uniformly dispersing at the rotation speed of 1000 revolutions per minute;
a3: finally adding a chain extender, reacting for 2-4h at 50 ℃, and emulsifying with water to obtain the product.
Preferably: the solid content of the nano-scale silica sol is 30-35%, and the pH value is 8.
Preferably: the preservative is sodium fluoride and isothiazolinone bactericide.
Preferably: also comprises the following preparation process:
s1: preparing a main combined component, a secondary combined component, an auxiliary A combined component and an auxiliary B combined component according to the weight group materials for later use;
s2: sieving the main composition material with 250 mesh sieve, mixing with the secondary composition material and deionized water, and stirring at 750 rpm for 30 min;
s3: adding the auxiliary A composition materials in turn during stirring;
s4: finally, adding the other auxiliary B combined component materials, and mixing and dispersing for 5-10 min;
s5: discharging after passing through a 250-mesh filter screen, filling and sealing.
The invention has the beneficial effects that:
1. according to the invention, through the matching of the main combined component, the secondary combined component, the auxiliary A combined component and the auxiliary B combined component, the existing resources are effectively utilized, the cost is low, the protective performance of the building material composition is improved, and the service life of the product is effectively prolonged.
2. According to the invention, the thermosetting acrylic resin is added, so that the heat resistance, the water resistance and the wear resistance of the composition are improved, and the composition is safe and reliable in use; the addition of the vermiculite sheets enhances the toughness and the heat resistance of the composition; the light calcined powder can improve the compactness of the composition, reduce pores generated when the composition is used, and has a synergistic effect with calcium magnesium carbonate and magnesium chloride hexahydrate, so that the formation of impurities in a composition system is reduced, and the mechanical property of the composition is improved.
3. The diatomite has stronger water absorption and permeability, so that the heat preservation and sound insulation performance of the composition are good when the composition is used, and the diatomite is matched with the aqueous polyurethane dispersion to play a role in water resistance; the mechanical property and solvent resistance of the aqueous polyurethane dispersion can be improved by adding the uretone, and the hydrolytic stability is improved; adding an anti-hydrolysis agent to further slow down the hydrolysis process of the aqueous polyurethane dispersion by consuming carboxyl generated by hydrolysis, thereby ensuring the stable performance of the product; the addition of the chain extender can improve the heat resistance, hardness and elasticity of the aqueous polyurethane dispersion.
4. The invention can play a role in reducing light transmission and heat transfer by adding the tin antimony oxide; by adding the organic silicon and the nano-silica sol, the water resistance and the chemical resistance of the composition are outstanding, the hardness and the substrate adhesion of the composition are improved, the wear resistance of the composition is further improved, and the comprehensive performance is good.
Drawings
FIG. 1 is a schematic flow chart of a preparation process of a single-component building material composition containing an aqueous polyurethane dispersion according to the present invention.
Detailed Description
The technical solution of the present patent will be described in further detail with reference to the following embodiments.
Reference will now be made in detail to embodiments of the present patent, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present patent and are not to be construed as limiting the present patent.
Example 1:
a single-component building material composition containing an aqueous polyurethane dispersion comprises a main composition component, a secondary composition component, an auxiliary A composition component and an auxiliary B composition component, wherein the main composition component comprises the following materials in parts by weight: 75 parts of a construction recovery object and 20 parts of an aqueous polyurethane dispersion; the building recycled materials and the aqueous polyurethane dispersoid are matched to be used as the main material of the building material composition, the existing resources are effectively utilized, the cost is low,
preferably, the construction recovery includes sludge slurry, crushed bricks, cement blocks, crushed stones, recovered glass, iron tailings powder, etc. which are not concentrated.
Further, the aqueous polyurethane dispersion comprises a siloxane compound, diisocyanate, polyether polyol and an addition auxiliary agent in a mass ratio of 6: 3: 4: 0.05;
wherein the addition auxiliary agent comprises uretone, a catalyst, a chain extender, an anti-hydrolysis agent and a neutralizing agent; the mechanical property and solvent resistance of the aqueous polyurethane dispersion can be improved by adding the uretone, and the hydrolytic stability is improved; adding an anti-hydrolysis agent to further slow down the hydrolysis process of the aqueous polyurethane dispersion by consuming carboxyl generated by hydrolysis, thereby ensuring the stable performance of the product; the addition of the chain extender can improve the heat resistance, hardness and elasticity of the aqueous polyurethane dispersion.
Still further, the preparation process of the aqueous polyurethane dispersion comprises the following steps:
a1: carrying out polymerization reaction on diisocyanate, polyether polyol, a siloxane compound and a catalyst for 3-5h at 50-80 ℃;
a2: cooling to 35 ℃, adding a neutralizing agent for neutralization reaction for 20min, adding urine butanone and an anti-hydrolysis agent, and uniformly dispersing at the rotation speed of 1000 revolutions per minute;
a3: finally adding a chain extender, reacting for 2-4h at 50 ℃, and emulsifying with water to obtain the product.
The secondary composition comprises the following materials in parts by weight: 20 parts of thermosetting acrylic resin, 15 parts of diatomite, 15 parts of vermiculite pieces, 10 parts of light burning powder, 5 parts of calcium magnesium carbonate and 20 parts of magnesium chloride hexahydrate; the thermosetting acrylic resin is added, so that the heat resistance, the water resistance and the wear resistance of the composition are improved, and the composition is safe and reliable in use; the addition of the vermiculite sheets enhances the toughness and the heat resistance of the composition; the diatomite has stronger water absorption and permeability, so that the heat preservation performance and the sound insulation performance of the composition are good when the composition is used, and the water resistance is achieved; the light calcined powder can improve the compactness of the composition, reduce pores generated when the composition is used, and has a synergistic effect with calcium magnesium carbonate and magnesium chloride hexahydrate, so that the formation of impurities in a composition system is reduced, and the mechanical property of the composition is improved.
Preferably, the using mass ratio of the light calcined powder to the magnesium chloride hexahydrate is 1: 5-8.
The auxiliary A composition comprises the following materials in parts by weight: 2 parts of organic silicon, 2 parts of nano-grade silica sol and 2 parts of tin antimony oxide; by adding the tin antimony oxide, the effects of reducing light transmission and heat transfer can be achieved; by adding the organic silicon and the nano-silica sol, the composition has outstanding water resistance and chemical resistance, the wear resistance of the composition is further improved, and the comprehensive performance is good.
Preferably, the solid content of the nano-scale silica sol is 30-35%, and the pH value is 8; the compatibility is good, the paint film hardness and the substrate adhesive force of the composition can be effectively improved, and the dirt resistance and the like are improved.
The auxiliary B composition comprises the following materials in parts by weight: 3 parts of tung oil, 3 parts of deionized water, 1.5 parts of peregal, 0.5 part of pH regulator, 3 parts of cross-linking agent and 1 part of preservative; deionized water is used for regulating the viscosity of the composition system to promote dispersion; the auxiliary B combined component auxiliary agent is added, so that the stable performance of the product can be ensured;
preferably, the preservative is sodium fluoride, isothiazolinone bactericide and the like; has antiseptic and bactericidal effects.
When the composition is used, the building recycled material and the aqueous polyurethane dispersion are matched to be used as the main material of the building material composition, the existing resources are effectively utilized, and the thermosetting acrylic resin is added, so that the heat resistance, the water resistance and the wear resistance of the composition are improved; the addition of the vermiculite sheets enhances the toughness and the heat resistance of the composition; the diatomite has stronger water absorption and permeability, so that the heat preservation performance and the sound insulation performance of the composition are good when the composition is used, and the water resistance is achieved; the light calcined powder can improve the compactness of the composition, reduce pores generated when the composition is used, and has a synergistic effect with calcium magnesium carbonate and magnesium chloride hexahydrate, so that the formation of impurities in a composition system is reduced, and the mechanical property of the composition is improved; the mechanical property and solvent resistance of the aqueous polyurethane dispersion can be improved by adding the uretone, and the hydrolytic stability is improved; adding an anti-hydrolysis agent to further slow down the hydrolysis process of the aqueous polyurethane dispersion by consuming carboxyl generated by hydrolysis, thereby ensuring the stable performance of the product; the addition of the chain extender can improve the heat resistance, hardness and elasticity of the aqueous polyurethane dispersion. By adding the tin antimony oxide, the effects of reducing light transmission and heat transfer can be achieved; by adding the organic silicon and the nano-silica sol, the water resistance and the chemical resistance of the composition are outstanding, the wear resistance of the composition is further improved, the paint film hardness and the substrate adhesion of the composition are improved, and the dirt resistance and the like are improved.
Example 2:
a single-component building material composition containing an aqueous polyurethane dispersion comprises a main composition component, a secondary composition component, an auxiliary A composition component and an auxiliary B composition component, wherein the main composition component comprises the following materials in parts by weight: 55 parts of a building recovery material and 25 parts of an aqueous polyurethane dispersion;
the secondary composition comprises the following materials in parts by weight: 18 parts of thermosetting acrylic resin, 12 parts of diatomite, 10 parts of vermiculite pieces, 7 parts of light burning powder, 3 parts of calcium magnesium carbonate and 14 parts of magnesium chloride hexahydrate;
the auxiliary A composition comprises the following materials in parts by weight: 0.8 part of organic silicon, 1 part of nano silica sol and 1.5 parts of tin antimony oxide;
the auxiliary B composition comprises the following materials in parts by weight: 2 parts of tung oil, 1 part of deionized water, 0.7 part of peregal, 0.2 part of pH regulator, 0.7 part of cross-linking agent and 0.7 part of preservative.
Example 3:
a single-component building material composition containing an aqueous polyurethane dispersion comprises a main composition component, a secondary composition component, an auxiliary A composition component and an auxiliary B composition component, wherein the main composition component comprises the following materials in parts by weight: 35 parts of a building recovery object and 15 parts of an aqueous polyurethane dispersion;
the secondary composition comprises the following materials in parts by weight: 10 parts of thermosetting acrylic resin, 3 parts of diatomite, 3 parts of vermiculite pieces, 3 parts of light burning powder, 1 part of calcium magnesium carbonate and 8 parts of magnesium chloride hexahydrate;
the auxiliary A composition comprises the following materials in parts by weight: 0.5 part of organic silicon, 0.5 part of nano-grade silica sol and 0.5 part of tin antimony oxide;
the auxiliary B composition comprises the following materials in parts by weight: 1 part of tung oil, 0.5 part of deionized water, 0.5 part of peregal, 0.1 part of pH regulator, 0.5 part of cross-linking agent and 0.5 part of preservative.
This example uses the compositions of examples 1-3, when used, to obtain the following parameters during the protection of the same building wall:
after 1 month: the compositions of example 1, example 2 and example 3 have excellent adhesion, no cracking, no crack, no peeling and no moisture regain;
after 6 months: the compositions of example 1, example 2 and example 3 have excellent adhesion, no cracking, no crack, no peeling and no moisture regain;
after 1.5 years: the composition of example 1, excellent adhesion, no cracking, no peeling, and no rewet; the composition of example 2, excellent adhesion, no cracking, no skinning, and no rewetting; the composition of example 3 did not crack, cracked or cracked, slightly skinned, and did not regain moisture.
Example 4:
a one-component building material composition containing an aqueous polyurethane dispersion, as shown in FIG. 1, is supplemented by examples 1-3 as follows: also comprises the following preparation process:
s1: preparing a main combined component, a secondary combined component, an auxiliary A combined component and an auxiliary B combined component according to the weight group materials for later use;
s2: sieving the main composition material with 250 mesh sieve, mixing with the secondary composition material and deionized water, and stirring at 750 rpm for 30 min;
s3: adding the auxiliary A composition materials in turn during stirring;
s4: finally, adding the other auxiliary B combined component materials, and mixing and dispersing for 5-10 min;
s5: discharging after passing through a 250-mesh filter screen, filling and sealing.
When the preparation method is used, the preparation is simple, and the popularization is easy.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (8)
1. The single-component building material composition containing the aqueous polyurethane dispersion comprises a main composition component, a secondary composition component, an auxiliary A composition component and an auxiliary B composition component, and is characterized in that the main composition component comprises the following materials in parts by weight: 30-80 parts of building recovery materials and 10-25 parts of aqueous polyurethane dispersoid;
the secondary composition comprises the following materials in parts by weight: 8-20 parts of thermosetting acrylic resin, 3-15 parts of diatomite, 3-15 parts of vermiculite pieces, 3-10 parts of light calcined powder, 1-5 parts of calcium magnesium carbonate and 8-20 parts of magnesium chloride hexahydrate;
the auxiliary A composition comprises the following materials in parts by weight: 0.5-2 parts of organic silicon, 0.5-2 parts of nano-grade silica sol and 0.5-2 parts of tin antimony oxide;
the auxiliary B composition comprises the following materials in parts by weight: 1-3 parts of tung oil, 0.5-3 parts of deionized water, 0.5-1.5 parts of peregal, 0.1-0.5 part of pH regulator, 0.5-3 parts of cross-linking agent and 0.3-1 part of preservative.
2. The one-component building material composition containing an aqueous polyurethane dispersion according to claim 1, wherein the building recovery is one of un-condensed sludge slurry, crushed bricks, cement blocks, crushed stone, recovered glass and iron tailings powder.
3. The one-component building material composition containing the aqueous polyurethane dispersion as claimed in claim 1, wherein the using mass ratio of the light calcined powder to the magnesium chloride hexahydrate is 1: 5-8.
4. The one-component building material composition containing the aqueous polyurethane dispersion according to claim 3, wherein the aqueous polyurethane dispersion is composed of a siloxane compound, a diisocyanate, a polyether polyol and an additive aid in a mass ratio of 6: 3: 4: 0.05;
the addition auxiliary agent comprises uretone, a catalyst, a chain extender, an anti-hydrolysis agent and a neutralizing agent.
5. The one-component building material composition containing the aqueous polyurethane dispersion as claimed in claim 4, wherein the preparation process of the aqueous polyurethane dispersion comprises the following steps:
a1: carrying out polymerization reaction on diisocyanate, polyether polyol, a siloxane compound and a catalyst for 3-5h at 50-80 ℃;
a2: cooling to 35 ℃, adding a neutralizing agent for neutralization reaction for 20min, adding urine butanone and an anti-hydrolysis agent, and uniformly dispersing at the rotation speed of 1000 revolutions per minute;
a3: finally adding a chain extender, reacting for 2-4h at 50 ℃, and emulsifying with water to obtain the product.
6. The one-component building material composition containing the aqueous polyurethane dispersion as claimed in claim 1, wherein the solid content of the nano-silica sol is 30-35% and the pH value is 8.
7. The one-component building material composition containing aqueous polyurethane dispersion according to claim 6, wherein the preservative is sodium fluoride or isothiazolinone bactericide.
8. The one-component building material composition containing the aqueous polyurethane dispersion as claimed in claim 1, further comprising the following preparation process:
s1: preparing a main combined component, a secondary combined component, an auxiliary A combined component and an auxiliary B combined component according to the weight group materials for later use;
s2: sieving the main composition material with 250 mesh sieve, mixing with the secondary composition material and deionized water, and stirring at 750 rpm for 30 min;
s3: adding the auxiliary A composition materials in turn during stirring;
s4: finally, adding the other auxiliary B combined component materials, and mixing and dispersing for 5-10 min;
s5: discharging after passing through a 250-mesh filter screen, filling and sealing.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102127200A (en) * | 2011-01-21 | 2011-07-20 | 广东银洋树脂有限公司 | Preparation method of high-hardness organic silicon hybridization water-soluble polyurethane dispersoid |
| CN105462470A (en) * | 2015-12-15 | 2016-04-06 | 三棵树涂料股份有限公司 | High-fullness and high-performance one-component waterborne polyurethane top-coat varnish |
| CN106833182A (en) * | 2015-12-03 | 2017-06-13 | 黄波 | A kind of paint of wear resistant corrosion resistant |
| CN108610755A (en) * | 2018-04-25 | 2018-10-02 | 中南林业科技大学 | A kind of aqueous decalescence expansion type tunnel fire-retardant fireproof coating and preparation method thereof |
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2022
- 2022-06-01 CN CN202210638010.2A patent/CN114806385A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102127200A (en) * | 2011-01-21 | 2011-07-20 | 广东银洋树脂有限公司 | Preparation method of high-hardness organic silicon hybridization water-soluble polyurethane dispersoid |
| CN106833182A (en) * | 2015-12-03 | 2017-06-13 | 黄波 | A kind of paint of wear resistant corrosion resistant |
| CN105462470A (en) * | 2015-12-15 | 2016-04-06 | 三棵树涂料股份有限公司 | High-fullness and high-performance one-component waterborne polyurethane top-coat varnish |
| CN108610755A (en) * | 2018-04-25 | 2018-10-02 | 中南林业科技大学 | A kind of aqueous decalescence expansion type tunnel fire-retardant fireproof coating and preparation method thereof |
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