CN115286999A - GPG (general purpose glass cement) plaster rubber asphalt sealing waterproof coating and production process thereof - Google Patents
GPG (general purpose glass cement) plaster rubber asphalt sealing waterproof coating and production process thereof Download PDFInfo
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- CN115286999A CN115286999A CN202211015265.XA CN202211015265A CN115286999A CN 115286999 A CN115286999 A CN 115286999A CN 202211015265 A CN202211015265 A CN 202211015265A CN 115286999 A CN115286999 A CN 115286999A
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- asphalt
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- acrylic emulsion
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- 239000010426 asphalt Substances 0.000 title claims abstract description 122
- 238000000576 coating method Methods 0.000 title claims abstract description 32
- 239000011248 coating agent Substances 0.000 title claims abstract description 28
- 229920001971 elastomer Polymers 0.000 title claims abstract description 23
- 238000007789 sealing Methods 0.000 title claims abstract description 23
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 13
- 239000011505 plaster Substances 0.000 title claims abstract description 12
- 239000004568 cement Substances 0.000 title description 5
- 239000011521 glass Substances 0.000 title description 2
- 239000000839 emulsion Substances 0.000 claims abstract description 49
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 claims abstract description 36
- 238000002156 mixing Methods 0.000 claims abstract description 30
- 238000003756 stirring Methods 0.000 claims abstract description 30
- 239000002518 antifoaming agent Substances 0.000 claims abstract description 28
- 238000002360 preparation method Methods 0.000 claims abstract description 25
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 claims abstract description 24
- 229910000019 calcium carbonate Inorganic materials 0.000 claims abstract description 18
- 229920001909 styrene-acrylic polymer Polymers 0.000 claims abstract description 16
- 239000002270 dispersing agent Substances 0.000 claims abstract description 15
- 239000002562 thickening agent Substances 0.000 claims abstract description 15
- 239000007822 coupling agent Substances 0.000 claims abstract description 13
- 230000000844 anti-bacterial effect Effects 0.000 claims abstract description 10
- 239000003899 bactericide agent Substances 0.000 claims abstract description 10
- YACLQRRMGMJLJV-UHFFFAOYSA-N chloroprene Chemical compound ClC(=C)C=C YACLQRRMGMJLJV-UHFFFAOYSA-N 0.000 claims abstract description 10
- 239000003973 paint Substances 0.000 claims abstract description 10
- 229920001084 poly(chloroprene) Polymers 0.000 claims abstract description 8
- 238000004537 pulping Methods 0.000 claims abstract description 8
- 239000002994 raw material Substances 0.000 claims abstract description 8
- 239000011268 mixed slurry Substances 0.000 claims abstract description 7
- SMZOUWXMTYCWNB-UHFFFAOYSA-N 2-(2-methoxy-5-methylphenyl)ethanamine Chemical compound COC1=CC=C(C)C=C1CCN SMZOUWXMTYCWNB-UHFFFAOYSA-N 0.000 claims abstract description 4
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 4
- 239000003995 emulsifying agent Substances 0.000 claims description 28
- 125000000129 anionic group Chemical group 0.000 claims description 25
- 239000002131 composite material Substances 0.000 claims description 25
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 18
- 239000000203 mixture Substances 0.000 claims description 17
- 239000013530 defoamer Substances 0.000 claims description 11
- 230000002209 hydrophobic effect Effects 0.000 claims description 9
- 238000000034 method Methods 0.000 claims description 8
- 239000004721 Polyphenylene oxide Substances 0.000 claims description 7
- 239000012874 anionic emulsifier Substances 0.000 claims description 7
- 150000007942 carboxylates Chemical class 0.000 claims description 7
- 229920000570 polyether Polymers 0.000 claims description 7
- 230000008569 process Effects 0.000 claims description 7
- 239000008367 deionised water Substances 0.000 claims description 6
- 229910021641 deionized water Inorganic materials 0.000 claims description 6
- 239000003513 alkali Substances 0.000 claims description 5
- 229920005610 lignin Polymers 0.000 claims description 5
- 238000005259 measurement Methods 0.000 claims description 5
- 229920002125 Sokalan® Polymers 0.000 claims description 4
- 239000002253 acid Substances 0.000 claims description 4
- 239000012752 auxiliary agent Substances 0.000 claims description 4
- 229920001577 copolymer Polymers 0.000 claims description 4
- 239000004584 polyacrylic acid Substances 0.000 claims description 4
- 230000008961 swelling Effects 0.000 claims description 4
- 230000009471 action Effects 0.000 claims description 3
- 230000008018 melting Effects 0.000 claims description 3
- 238000002844 melting Methods 0.000 claims description 3
- 229920001296 polysiloxane Polymers 0.000 claims description 3
- 150000003863 ammonium salts Chemical class 0.000 claims description 2
- 229910021485 fumed silica Inorganic materials 0.000 claims description 2
- 230000005484 gravity Effects 0.000 claims description 2
- 239000002480 mineral oil Substances 0.000 claims description 2
- 235000010446 mineral oil Nutrition 0.000 claims description 2
- 239000002884 skin cream Substances 0.000 claims description 2
- 239000000344 soap Substances 0.000 claims description 2
- 159000000000 sodium salts Chemical class 0.000 claims description 2
- 239000012257 stirred material Substances 0.000 claims description 2
- 229910052751 metal Inorganic materials 0.000 claims 1
- 239000002184 metal Substances 0.000 claims 1
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 abstract description 4
- 230000008901 benefit Effects 0.000 abstract description 2
- 239000006071 cream Substances 0.000 abstract description 2
- WGCNASOHLSPBMP-UHFFFAOYSA-N hydroxyacetaldehyde Natural products OCC=O WGCNASOHLSPBMP-UHFFFAOYSA-N 0.000 abstract description 2
- 229910002027 silica gel Inorganic materials 0.000 abstract description 2
- 239000000741 silica gel Substances 0.000 abstract description 2
- 230000000052 comparative effect Effects 0.000 description 17
- 239000000945 filler Substances 0.000 description 8
- 239000006185 dispersion Substances 0.000 description 6
- 238000001514 detection method Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 5
- 239000010985 leather Substances 0.000 description 5
- 239000007787 solid Substances 0.000 description 5
- 239000006260 foam Substances 0.000 description 4
- 239000001257 hydrogen Substances 0.000 description 4
- 229910052739 hydrogen Inorganic materials 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 3
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 3
- 239000000758 substrate Substances 0.000 description 3
- YNQLUTRBYVCPMQ-UHFFFAOYSA-N Ethylbenzene Chemical compound CCC1=CC=CC=C1 YNQLUTRBYVCPMQ-UHFFFAOYSA-N 0.000 description 2
- 241000276489 Merlangius merlangus Species 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- 230000002349 favourable effect Effects 0.000 description 2
- 125000001165 hydrophobic group Chemical group 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 239000000843 powder Substances 0.000 description 2
- 238000007711 solidification Methods 0.000 description 2
- 230000008023 solidification Effects 0.000 description 2
- 239000002904 solvent Substances 0.000 description 2
- 239000004094 surface-active agent Substances 0.000 description 2
- 229940100555 2-methyl-4-isothiazolin-3-one Drugs 0.000 description 1
- BHPQYMZQTOCNFJ-UHFFFAOYSA-N Calcium cation Chemical compound [Ca+2] BHPQYMZQTOCNFJ-UHFFFAOYSA-N 0.000 description 1
- CTQNGGLPUBDAKN-UHFFFAOYSA-N O-Xylene Chemical compound CC1=CC=CC=C1C CTQNGGLPUBDAKN-UHFFFAOYSA-N 0.000 description 1
- 229910019142 PO4 Inorganic materials 0.000 description 1
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 238000005054 agglomeration Methods 0.000 description 1
- 230000002776 aggregation Effects 0.000 description 1
- 150000001450 anions Chemical class 0.000 description 1
- 239000002585 base Substances 0.000 description 1
- DMSMPAJRVJJAGA-UHFFFAOYSA-N benzo[d]isothiazol-3-one Chemical compound C1=CC=C2C(=O)NSC2=C1 DMSMPAJRVJJAGA-UHFFFAOYSA-N 0.000 description 1
- 229910001424 calcium ion Inorganic materials 0.000 description 1
- 125000003178 carboxy group Chemical group [H]OC(*)=O 0.000 description 1
- 238000004132 cross linking Methods 0.000 description 1
- 238000004090 dissolution Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 238000004945 emulsification Methods 0.000 description 1
- 230000001804 emulsifying effect Effects 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000036571 hydration Effects 0.000 description 1
- 238000006703 hydration reaction Methods 0.000 description 1
- 229920001600 hydrophobic polymer Polymers 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 239000011344 liquid material Substances 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- BEGLCMHJXHIJLR-UHFFFAOYSA-N methylisothiazolinone Chemical compound CN1SC=CC1=O BEGLCMHJXHIJLR-UHFFFAOYSA-N 0.000 description 1
- 230000005012 migration Effects 0.000 description 1
- 238000013508 migration Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002120 nanofilm Substances 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 229920001558 organosilicon polymer Polymers 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 238000011056 performance test Methods 0.000 description 1
- 239000010452 phosphate Substances 0.000 description 1
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 description 1
- 239000004014 plasticizer Substances 0.000 description 1
- 229940113115 polyethylene glycol 200 Drugs 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
- 230000008719 thickening Effects 0.000 description 1
- 239000012855 volatile organic compound Substances 0.000 description 1
- 238000004078 waterproofing Methods 0.000 description 1
- 239000008096 xylene Substances 0.000 description 1
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
- C09D195/00—Coating compositions based on bituminous materials, e.g. asphalt, tar, pitch
- C09D195/005—Aqueous compositions, e.g. emulsions
-
- 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
- C09D125/00—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 an aromatic carbocyclic ring; Coating compositions based on derivatives of such polymers
- C09D125/02—Homopolymers or copolymers of hydrocarbons
- C09D125/04—Homopolymers or copolymers of styrene
- C09D125/08—Copolymers of styrene
- C09D125/14—Copolymers of styrene with unsaturated esters
-
- 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
- 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
- C08K3/24—Acids; Salts thereof
- C08K3/26—Carbonates; Bicarbonates
- C08K2003/265—Calcium, strontium or barium carbonate
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
- C08L2205/025—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group containing two or more polymers of the same hierarchy C08L, and differing only in parameters such as density, comonomer content, molecular weight, structure
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)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
The application discloses the field of waterproof paint, and specifically discloses GPG (gigabit-capable glycol) gouge cream rubber asphalt sealing waterproof paint and a production process thereof. A GPG (general purpose silica gel) plaster rubber asphalt sealing waterproof coating is prepared from the following raw materials: emulsified asphalt, styrene-acrylic emulsion, chloroprene hybridized acrylic emulsion, heavy calcium carbonate, a dispersing agent, a coupling agent, a bactericide, a defoaming agent A, a thickening agent and a defoaming agent B; the preparation method comprises the following steps: s1, pulping, namely mixing and stirring styrene-acrylic emulsion, neoprene hybrid acrylic emulsion, a dispersing agent, a coupling agent, a defoaming agent A and heavy calcium carbonate under vacuum negative pressure to prepare mixed slurry; s2, adding accurately metered emulsified asphalt and uniformly mixing; s3, adding accurately metered defoaming agent B, and uniformly mixing and stirring; and S4, adding the accurately metered acrylic acid thickener, mixing and stirring uniformly to prepare the product. The waterproof coating has the advantage of improving the tensile strength of the waterproof coating formed by coating curing.
Description
Technical Field
The application relates to the field of waterproof coatings, in particular to a GPG (gigabit-capable leather plaster) rubber asphalt sealing waterproof coating and a production process thereof.
Background
The waterproof coating is a viscous liquid material which is in an unfixed shape at room temperature, is coated on the surface of a protected object, and can form a tough waterproof film layer with the surface of a collector along with the volatilization of a solvent, the evaporation of water or the reflection and solidification, and is mainly applied to the moisture prevention of roofing engineering, bathrooms of toilets, kitchen rooms, basements, walls and the like.
There are many waterproof coatings on the market, including acrylic emulsion waterproof coatings and water emulsion asphalt waterproof coatings.
Although the acrylic emulsion waterproof coating is environment-friendly and has a good waterproof effect, the film forming speed is low, and the coating is easy to become brittle after being actually coated for a long time; the solid content of the water-emulsion asphalt waterproof coating is low, the tensile strength of the formed waterproof film layer is low, and the formed waterproof film layer is easy to crack when being deformed and vibrated.
Disclosure of Invention
In order to improve the tensile strength of a waterproof film layer formed by curing a coating, the application provides a GPG (gigabit-capable leather paste) rubber asphalt sealing waterproof coating and a production process thereof.
The application provides a GPG skin cream rubber asphalt sealing waterproof coating that rouses of making a uproar, adopts following technical scheme:
the GPG (gigabit-capable glycol phosphate) plaster rubber asphalt sealing waterproof coating is prepared from the following raw materials in percentage by weight: 35 to 45 percent of emulsified asphalt, 25 to 35 percent of styrene-acrylic emulsion, 5 to 15 percent of neoprene hybrid acrylic emulsion, 15 to 20 percent of heavy calcium carbonate, 0.1 to 0.3 percent of dispersant, 0.1 to 0.3 percent of coupling agent, 0.1 to 0.3 percent of bactericide, 0.1 to 0.2 percent of defoamer A, 0.4 to 1.5 percent of thickener and 0.1 to 0.2 percent of defoamer B.
By adopting the technical scheme, general emulsified asphalt generally is connected through mechanical action with the substrate, and adhesive force is not high, the neoprene hybridized acrylic emulsion that this application adopted is one kind and is polymerized the self-crosslinking emulsion that forms by neoprene-acrylic emulsion interpenetrating network, neoprene hybridized acrylic emulsion has improved the low temperature resistance and the intensity of this application, and adopted the styrene-acrylic emulsion in this application also can improve the intensity and the waterproof nature of this application, no solvent volatile component in this application, and do not contain plasticizer composition, through multiple polar group on the above-mentioned two kinds of polymer emulsion molecule chain segments, thereby impel it to form hydrogen bond and covalent bond with the substrate, the intensity of this application inner structure has been improved, the mechanical properties of this application and the combined performance with the substrate have been improved in a comprehensive way.
Preferably, the emulsified asphalt is anionic emulsified asphalt, and the defoaming agent B is a modified organic silicon defoaming agent; the defoaming agent A is mineral oil hydrophobic fumed silica and a metallic soap defoaming agent; the thickening agent is a hydrophobic modified alkali-soluble swelling thickening agent.
By adopting the technical scheme, the anionic emulsified asphalt adopted in the application is selectively adsorbed to the surface of a building through the anionic mesofission type emulsifier on the surface, the surface of the building is mostly formed by cement pouring, calcium ions generated by hydration of cement enter an electric double layer on the surface of the anionic emulsified asphalt to cause demulsification and agglomeration of the anionic emulsified asphalt, an asphalt membrane is formed to cover the surface of cement particles, the migration of water to the surface of unhydrated cement particles and the dissolution of ions are hindered, and the waterproof performance and the stability of the whole structure of the application are improved; and the adopted anionic emulsified asphalt and water form hydrogen bonds, so that the waterproof effect of the application is further improved. Because anion emulsified asphalt is easy to foam, the defoaming agent B adopted by the application is an SB630 defoaming agent, which is an emulsion type defoaming agent taking low-polarity modified organic silicon and hydrophobic polymer as main components, and can form a molecular film to further block the flow of liquid, so that the foam is stable, and surfactant molecules attached to the foam film play a role in repairing the surface of a liquid film, thereby reducing the amount of the surfactant molecules. Because the styrene-acrylic emulsion and the chloroprene hybridized acrylic emulsion are easy to generate bubbles in the mixing process and can influence the mechanical property of the modified material if the bubbles are not eliminated, the application adopts the specific defoaming agent to be more suitable for the bubbles caused by high-speed dispersion powder, and further comprehensively improves the mechanical property of the product. The hydrophobic modified alkali swelling thickener adopted in the application has the advantages that the thickening is obvious, the water resistance is good, the operation is good, the hydrophobic modified alkali swelling thickener is adopted, the drying and solidification of the paint are facilitated, the volatilization of water is facilitated, the emulsified asphalt demulsification is promoted, the emulsified asphalt is uniformly filled in the coating film, the hydrophobic effect of the asphalt paint is enhanced, water molecules hardly enter the coating film, and the water resistance of the application is further improved.
Preferably, the specification of the heavy calcium carbonate is 800-1250 meshes, and the dispersant is one of a polyacrylic acid sodium salt copolymer, a polyacrylic acid ammonium salt copolymer, a polycarboxylic acid sodium salt and a polycarboxylic acid ammonium salt.
By adopting the technical scheme, the lower the mesh number of the coarse whiting is, the gaps in the paint film cannot be fully filled after the coarse whiting is filled; however, the larger the mesh number of the heavy calcium carbonate is, the larger the oil absorption is, more emulsion packages need to be adsorbed, and the filled film further affects the compactness and strength of the film, so the mesh number of the heavy calcium carbonate is controlled in the application, and the mechanical property of the application is improved. The defined dispersant has high dispersibility and strong filler bearing capacity, and the heavy calcium carbonate used in the application has excellent dispersibility and stronger dispersion effect on high hydrophobic substances.
Preferably, the anionic emulsified asphalt is processed by the following raw materials: 45-50 parts of composite asphalt, 1-4 parts of composite emulsifier and 20-30 parts of deionized water, wherein the composite asphalt comprises 70# asphalt and 90# asphalt, and the composite emulsifier comprises one or more of lignin polyether carboxylate anionic emulsifier and anionic mid-crack asphalt emulsifier.
By adopting the technical scheme, the lignin polyether carboxylate anionic emulsifier which is provided with both hydrophilic groups and hydrophobic groups is adopted in the asphalt emulsifier, the emulsifier is combined with the composite asphalt through similar compatible mechanism through the hydrophobic groups, the improvement of the connection strength between the emulsifier and the asphalt is facilitated, and the composite asphalt can form hydrogen bonds with water through hydrophilic carboxyl groups of the emulsifier, so that the asphalt can be uniformly dispersed in the water after being emulsified. The 70# asphalt and the 90# asphalt of different penetration degrees have been adopted in this application, and 70# asphalt can be applicable to the higher environment of temperature, and 90# asphalt is applicable in the lower environment of temperature, can synthesize the durability that improves this application with 70# asphalt and 90# asphalt are compounded.
Preferably, the mass ratio of the 70# asphalt to the 90# asphalt is 20:15-18; when the composite emulsifier consists of a lignin polyether carboxylate anionic emulsifier and an anionic mesofission type asphalt emulsifier, the mass ratio of the polyether carboxylate anionic emulsifier to the anionic mesofission type asphalt emulsifier is 30-32.
By adopting the technical scheme, the quality of the 70# asphalt and the 90# asphalt is limited, so that the durability of the product is comprehensively improved; and in this application, through restricting the quality of two kinds of emulsifiers, the emulsifier is improved to obtain the emulsification effect, and then the stability of the whole anionic emulsified asphalt is improved.
Preferably, the anionic emulsified asphalt is processed by the following steps:
s111, carrying out hot melting on the composite asphalt at 130-140 ℃ to obtain an asphalt droplet mixture;
s112, mixing and stirring the composite emulsifier and the deionized water uniformly to obtain a mixture A;
and S113, uniformly mixing and dispersing the asphalt droplet mixture and the mixture A to obtain the anionic emulsified asphalt.
By adopting the technical scheme, the preparation method is favorable for preparing the anionic emulsified asphalt with uniform texture, and further is favorable for fully exerting the effects of the anionic emulsified asphalt on the mechanical property and the water resistance of the product in the application.
In a second aspect, the application provides a preparation production process of the GPG gouge cream rubber asphalt sealing waterproof coating, which adopts the following technical scheme:
a preparation production process of a GPG (gigabit-capable rubber-asphalt) plaster rubber asphalt sealing waterproof coating comprises the following steps:
s1, pulping, namely mixing and stirring styrene-acrylic emulsion, chloroprene hybridized acrylic emulsion, a dispersing agent, a coupling agent, a defoaming agent A and heavy calcium carbonate at the rotating speed of 400-800 rpm for 15-30 min under the condition that the vacuum negative pressure is-0.09-0.07 MPa to prepare mixed slurry;
s2, reducing the speed to 250-350 rpm, adding accurately metered emulsified asphalt, and mixing and stirring uniformly;
s3, adding accurately metered defoaming agent B after the emulsified asphalt is added, keeping the rotating speed of 250-350 rpm, and uniformly mixing and stirring;
and S4, adding the accurately metered acrylic acid thickener, keeping the rotating speed of 250-350 rpm, mixing and stirring uniformly, and preparing to obtain the product.
By adopting the technical scheme, the foam in the mixing overshoot is reduced by limiting the vacuum negative pressure in the step S1. In the process of step S1, the rotating speed before and after the heavy calcium carbonate is added is limited, so that the dispersion uniformity of the raw materials is comprehensively improved. And through the opportunity of injecing defoaming agent A and defoaming agent B in this application to the adoption helps the defoaming to the step more, carries out defoaming treatment to the ground more, thereby improves the intensity of product.
Preferably, the pulping process specifically comprises the following steps:
s11, under the condition that the vacuum negative pressure is-0.09 MPa to-0.07 MPa, uniformly mixing and stirring the styrene-acrylic emulsion and the chloroprene hybridized acrylic emulsion at the rotating speed of 400-500 revolutions per minute;
s12, under the condition that the vacuum negative pressure is-0.09 MPa to-0.07 MPa, adding a dispersing agent and a coupling agent which are accurately measured into the mixed and stirred material in the S1 through an auxiliary agent funnel under the action of self gravity and vacuum;
s13, adding accurately metered defoaming agent A, mixing and stirring uniformly at the rotating speed of 400-500 rpm,
s14, continuously dispersing for 8-12 min at the rotating speed of 400-500 rpm, increasing the speed to 750-850 rpm, adding accurately metered heavy calcium carbonate, mixing and stirring uniformly;
and S15, adding the bactericide with accurate measurement after the heavy calcium carbonate is added, and uniformly stirring at 750-850 rpm to obtain mixed slurry.
By adopting the technical scheme, the viscosity of the coupling agent is relatively high, and the vacuum is not beneficial to the dispersion of the coupling agent, so that the coupling agent is added by means of material self weight and vacuum negative pressure suction in the step S13 without limiting the vacuum negative pressure condition. And the addition sequence of the bactericide is limited in the application, and the bactericide is directly added into the emulsion to be not beneficial to the stability of the emulsion. Emulsified asphalt is an unstable system, and the emulsified asphalt is demulsified due to long-time high-speed dispersion, so that the application prepares a product with uniform and stable texture by limiting the stirring speed and the sequence of adding materials.
In summary, the present application has the following beneficial effects:
1. according to the preparation method, the chloroprene hybridized acrylic emulsion and the styrene-acrylic emulsion are adopted, and the two high-molecular emulsion molecular chain segments are provided with various polar groups, so that hydrogen bonds and covalent bonds are formed between the two high-molecular emulsion molecular chain segments, the strength of the internal structure of the preparation method is improved, and the mechanical property and the composite property of the preparation method and the base material are comprehensively improved.
2. The method of the present application, by defining the preparation method of the present application, facilitates the preparation of a product having excellent stability and uniformity.
Detailed Description
The present application will be described in further detail with reference to examples.
Preparation example
Preparation example 1
The emulsified asphalt is prepared by processing the following raw materials: 43 parts of composite asphalt, 3 parts of composite emulsifier and 25 parts of deionized water, wherein the composite asphalt comprises the following components in parts by mass: 17 # asphalt and 90# asphalt are mixed and stirred, and the composite emulsifier is an anionic middle-split asphalt emulsifier (the model of ZM asphalt emulsifier sold by Shangming auxiliary agent factories in Hi-Xin City).
The preparation of the emulsified asphalt comprises the following steps:
s111, carrying out hot melting on the composite asphalt at 135 ℃ to obtain an asphalt droplet mixture;
s112, mixing and stirring the composite emulsifier and deionized water uniformly to prepare a mixture A;
and S113, uniformly mixing and dispersing the asphalt droplet mixture and the mixture A in an emulsifying machine to obtain the anionic emulsified asphalt.
Preparation example 2
The difference between the preparation example and the preparation example 1 is that the mass ratio of the composite emulsifier in the preparation example is 30:30 (Jiangsu Subo new materials Co., ltd., type AE-601) and an anionic middle-split asphalt emulsifier.
Preparation example 3
The preparation example is different from the preparation example 1 in that the preparation example replaces the composite asphalt in the preparation example 1 with equal mass of 70# asphalt.
Examples
Example 1
A GPG (gigabit-capable rubber asphalt) sealing waterproof paint is prepared from the following raw materials in percentage by weight: 40% of the emulsified asphalt prepared in preparation example 1, 30% of a styrene-acrylic emulsion, 10% of a chloroprene hybridized acrylic emulsion (KEYLEXP 90 aqueous neoprene-acrylic emulsion used in the present example), 18% of heavy calcium carbonate (900 mesh used in the present example), 0.2% of a dispersant (high efficiency dispersant HT-5040 used in the present example), 0.2% of a titanate coupling agent, 0.2% of a bactericide (bactericide used in the present example is a mixture of 30 mass ratio of 1, 2-benzisothiazolin-3-one and 2-methyl-4-isothiazolin-3-one) and stirred), 0.15% of a defoamer a (norproc NXZ defoamer used in the present example), 1.1% of a thickener (hydrophobic modified alkali soluble type thickener used in the present example of type TT-935) and 0.15% of a defoamer B (silicone modified SB 630).
A GPG (general purpose silica gel) plaster rubber asphalt sealing waterproof coating is processed by the following steps:
s1, pulping for 23min under the condition that the vacuum negative pressure is-0.08 MPa to prepare mixed slurry, opening a vacuum pipeline valve and starting a vacuum pump when the negative pressure is insufficient in the pulping process, and closing the vacuum pipeline valve and closing the vacuum pump after the negative pressure is extracted to-0.08 MPa; the pulping process comprises the following steps:
s11, starting a vacuum pump, opening a vacuum pipeline valve, extracting vacuum negative pressure of-0.08 MPa, and closing the vacuum pipeline valve; metering styrene-acrylic emulsion and neoprene hybrid acrylic emulsion, conveying the mixture to a reaction kettle, and starting stirring for dispersion, wherein the stirring speed is 450rpm;
s12, after the dispersant and the coupling agent are metered, pouring the mixture into an auxiliary agent funnel from the top of the reaction kettle, opening a funnel valve, and sucking the mixture into the reaction kettle;
s13, adding accurately metered defoaming agent A, uniformly mixing and stirring at the rotation speed of 450rpm, opening a vacuum pipeline valve, starting a vacuum pump to pump the negative pressure to-0.08 MPa, and closing the vacuum pipeline valve;
s14, after continuously dispersing at the rotating speed of 450rpm for 10min, increasing the speed to 800rpm, opening a filler adding electromagnetic valve, sucking the filler with accurate metering, and closing the electromagnetic valve after confirming that no filler exists in the pipe after the addition is finished;
s15, adding a bactericide with accurate measurement after the filler is added, and uniformly stirring at 800rpm to prepare mixed slurry;
s2, reducing the speed to 300rpm, adding accurately metered emulsified asphalt, and uniformly mixing and stirring;
s3, adding accurately metered defoamer B after adding the emulsified asphalt, keeping the rotating speed of 300rpm, and uniformly mixing and stirring;
and S4, adding the accurately metered acrylic acid thickener, keeping the rotating speed of 300rpm, mixing and stirring uniformly, and preparing the product. The solid content of the product prepared in the embodiment of the application is 69% after JC 1066-2008 standard detection, volatile organic compounds are not detected, and the comprehensive content of benzene, toluene, ethylbenzene and xylene is 15mg/kg and 32mg/kg; and the detection result of the product prepared by the embodiment of the application after the detection of G/T23993-2009 is 8mg/kg.
Example 2
The present application example is different from example 1 in that the emulsified asphalt obtained in production example 1 was replaced with the emulsified asphalt obtained in production example 2 of equal mass in the present application example. And the solid content of the product prepared by the embodiment of the application is 68% after the product passes JC 1066-2008 standard detection.
Example 3
The present application example is different from example 1 in that the emulsified asphalt obtained in production example 1 was replaced with the emulsified asphalt obtained in production example 3 of equal mass in the present application example. And the solid content of the product prepared by the embodiment of the application is 65% after the product is detected by JC 1066-2008 standard.
Example 4
The present examples are different from example 1 in that both the defoaming agent a and the defoaming agent B used in the present examples were a modified silicone defoaming agent SB630.
Example 5
The examples of the present application are different from example 1 in that both the antifoaming agent a and the antifoaming agent B used in the examples of the present application are the npxz antifoaming agent of nophaceae used in the examples of the present application.
Example 6
The examples of the present application are different from example 1 in that the ground calcium carbonate used in the examples of the present application has a size of 500 mesh.
Example 7
The difference between the examples of the present application and example 1 is that the dispersant used in the examples of the present application is polyethylene glycol 200.
Example 8
The embodiment of the present application differs from embodiment 1 in that step S14 of the present application specifically includes: and (3) continuously dispersing for 10min at the rotating speed of 450rpm, opening a filler adding electromagnetic valve without increasing the speed, sucking the filler with accurate metering, and closing the electromagnetic valve after confirming that no filler exists in the tube after the addition is finished.
Comparative example
Comparative example 1
This comparative example differs from example 1 in that the styrene-acrylic emulsion was replaced by an equal mass of neoprene hybrid acrylic emulsion in the examples of this application.
Comparative example 2
This comparative example differs from example 1 in that the neoprene hybrid acrylic emulsion is replaced with an equivalent mass of styrene-acrylic emulsion in the examples of this application.
Comparative example 3
This comparative example is different from comparative example 1 in that the emulsified asphalt prepared in preparation example 1 was used in the present example instead of the chloroprene hybridized acrylic emulsion.
Comparative example 4
The comparative example differs from example 1 in that step S2 of the comparative example specifically comprises: the speed is not reduced, and the emulsified asphalt with accurate measurement is added to be mixed and stirred evenly.
Performance test
Detection method/test method
1. Elongation at break: the elongation at break of the products obtained in examples 1 to 8 and comparative examples 1 to 4 under standard conditions, alkali treatment, heat treatment and ultraviolet light treatment was determined by the standard Q/SJHY 0020-2020 "GPG Corey leather paste rubber asphalt sealing waterproof coating" and the results are summarized in Table 1.
2. Tensile strength: the tensile strength of the product prepared in examples 1 to 8 and comparative examples 1 to 4 was measured under the standard of "GPG Corey leather paste rubber asphalt sealing waterproof paint" of Q/SJHY 0020-2020 and the results are summarized in Table 1.
3. Other properties: the heat resistance, adhesive strength, solid content, open time, dry time and water impermeability of the products obtained in examples 1 to 8 and comparative examples 1 to 4 were determined by the standard Q/SJHY 0020-2020 "GPG Corey leather paste rubber asphalt sealing Water-proofing paint" and the results are summarized in Table 2.
TABLE 1 tables of results of measurements of elongation at break and tensile strength of examples 1 to 8 and comparative examples 1 to 4
TABLE 2 examination results of other Properties of examples 1 to 8 and comparative examples 1 to 4
By combining examples 1-8 and comparative examples 1-4 and combining tables 1 and 2, it can be seen that the products using the styrene-acrylic emulsion and the chloroprene hybrid acrylic emulsion can comprehensively improve the comprehensive performance of the products, and the performance is superior to the performance of the products specified by JC/T408-2005 'Water-emulsion asphalt waterproof coating' standard.
The specific embodiments are only for explaining the present application and are not limiting to the present application, and those skilled in the art can make modifications to the embodiments without inventive contribution as required after reading the present specification, but all the embodiments are protected by patent law within the scope of the claims of the present application.
Claims (8)
1. The GPG (gigabit-capable rubber-asphalt) plaster rubber asphalt sealing waterproof coating is characterized by being prepared from the following raw materials in percentage by weight: 35 to 45 percent of emulsified asphalt, 25 to 35 percent of styrene-acrylic emulsion, 5 to 15 percent of neoprene hybrid acrylic emulsion, 15 to 20 percent of heavy calcium carbonate, 0.1 to 0.3 percent of dispersant, 0.1 to 0.3 percent of coupling agent, 0.1 to 0.3 percent of bactericide, 0.1 to 0.2 percent of defoamer A, 0.4 to 1.5 percent of thickener and 0.1 to 0.2 percent of defoamer B.
2. The GPG skin cream rubber asphalt sealing waterproof coating as claimed in claim 1, wherein the emulsified asphalt is anionic emulsified asphalt, and the defoamer B is a modified silicone defoamer; the defoaming agent A is mineral oil hydrophobic fumed silica and a metal soap defoaming agent; the thickening agent is a hydrophobic modified alkali soluble swelling thickening agent.
3. The GPG (gigabit-capable rubber asphalt) sealing waterproof paint of claim 1, wherein the ground calcium carbonate is 800-1250 mesh, and the dispersant is one of a polyacrylic acid sodium salt copolymer, a polyacrylic acid ammonium salt copolymer, a polycarboxylic acid sodium salt and a polycarboxylic acid ammonium salt.
4. The GPG skin plaster rubber asphalt sealing waterproof coating as claimed in claim 2, wherein the anionic emulsified asphalt is processed from the following raw materials: 45-50 parts of composite asphalt, 1-4 parts of composite emulsifier and 20-30 parts of deionized water, wherein the composite asphalt comprises 70# asphalt and 90# asphalt, and the composite emulsifier comprises one or more of lignin polyether carboxylate anionic emulsifier and anionic median crack type asphalt emulsifier.
5. The GPG skin plaster rubber asphalt sealing waterproof coating as claimed in claim 4, wherein the mass ratio of the 70# asphalt to the 90# asphalt is 20:15-18; when the composite emulsifier consists of a lignin polyether carboxylate anionic emulsifier and an anionic mid-split asphalt emulsifier, the mass ratio of the polyether carboxylate anionic emulsifier to the anionic mid-split asphalt emulsifier is 30-32.
6. The GPG plaster rubber asphalt sealing waterproof paint of any one of claims 2 to 5, wherein the anionic emulsified asphalt is processed by the following steps:
s111, carrying out hot melting on the composite asphalt at 130-140 ℃ to obtain an asphalt droplet mixture;
s112, mixing and stirring the composite emulsifier and the deionized water uniformly to obtain a mixture A;
and S113, uniformly mixing and dispersing the asphalt droplet mixture and the mixture A to obtain the anionic emulsified asphalt.
7. The preparation and production process of the GPG skin plaster rubber asphalt sealing waterproof coating as claimed in claim 6, wherein the process comprises the following steps:
s1, pulping, namely mixing and stirring styrene-acrylic emulsion, chloroprene hybridized acrylic emulsion, a dispersing agent, a coupling agent, a defoaming agent A and heavy calcium carbonate at the rotating speed of 400-800 rpm for 15-30 min under the condition that the vacuum negative pressure is-0.09-0.07 MPa to prepare mixed slurry;
s2, reducing the speed to 250-350 rpm, adding accurately metered emulsified asphalt, and mixing and stirring uniformly;
s3, adding accurately metered defoamer B after adding the emulsified asphalt, keeping the rotating speed of 250-350 rpm, and uniformly mixing and stirring;
and S4, adding the acrylic acid thickening agent with accurate metering, keeping the rotating speed of 250-350 rpm, mixing and stirring uniformly, and preparing to obtain the product.
8. The preparation production process of the GPG (gigabit-capable vertical stripping) rubber asphalt sealing waterproof coating as claimed in claim 7, wherein the pulping process specifically comprises the following steps:
s11, under the condition that the vacuum negative pressure is-0.09 MPa to-0.07 MPa, uniformly mixing and stirring the styrene-acrylic emulsion and the chloroprene hybridized acrylic emulsion at the rotating speed of 400-500 revolutions per minute;
s12, under the condition that the vacuum negative pressure is-0.09 MPa to-0.07 MPa, adding a dispersing agent and a coupling agent which are accurately metered into the mixed and stirred material in the S1 through an auxiliary agent funnel under the action of self gravity and vacuum;
s13, adding accurately metered defoaming agent A, mixing and stirring uniformly at the rotating speed of 400-500 rpm,
s14, continuously dispersing for 8-12 min at the rotating speed of 400-500 rpm, increasing the speed to 750-850 rpm, adding accurately metered heavy calcium carbonate, mixing and stirring uniformly;
and S15, adding the bactericide with accurate measurement after the heavy calcium carbonate is added, and uniformly stirring at 750-850 rpm to obtain mixed slurry.
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| CN202211015265.XA CN115286999A (en) | 2022-08-23 | 2022-08-23 | GPG (general purpose glass cement) plaster rubber asphalt sealing waterproof coating and production process thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116589925A (en) * | 2022-11-10 | 2023-08-15 | 贵州梵亚高新科技有限公司 | High-sealing waterproof coating and preparation method thereof |
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| CN114213907A (en) * | 2021-12-31 | 2022-03-22 | 宿迁东方雨虹建筑材料有限公司 | Water-based rubber asphalt waterproof coating and preparation method thereof |
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Application publication date: 20221104 |