CN116716063A - Double-component back adhesive and application thereof - Google Patents
Double-component back adhesive and application thereof Download PDFInfo
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- CN116716063A CN116716063A CN202310881455.8A CN202310881455A CN116716063A CN 116716063 A CN116716063 A CN 116716063A CN 202310881455 A CN202310881455 A CN 202310881455A CN 116716063 A CN116716063 A CN 116716063A
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- 239000000853 adhesive Substances 0.000 title claims abstract description 66
- 230000001070 adhesive effect Effects 0.000 title claims abstract description 66
- 239000000843 powder Substances 0.000 claims abstract description 130
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 65
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 58
- 239000011344 liquid material Substances 0.000 claims abstract description 43
- 239000000839 emulsion Substances 0.000 claims abstract description 31
- 239000000463 material Substances 0.000 claims abstract description 29
- 229920001909 styrene-acrylic polymer Polymers 0.000 claims abstract description 26
- 239000006004 Quartz sand Substances 0.000 claims abstract description 18
- 239000010453 quartz Substances 0.000 claims abstract description 17
- 239000011398 Portland cement Substances 0.000 claims abstract description 10
- 239000007788 liquid Substances 0.000 claims description 54
- 239000003638 chemical reducing agent Substances 0.000 claims description 37
- NLYAJNPCOHFWQQ-UHFFFAOYSA-N kaolin Chemical compound O.O.O=[Al]O[Si](=O)O[Si](=O)O[Al]=O NLYAJNPCOHFWQQ-UHFFFAOYSA-N 0.000 claims description 19
- 239000002518 antifoaming agent Substances 0.000 claims description 18
- 239000013530 defoamer Substances 0.000 claims description 18
- 239000002245 particle Substances 0.000 claims description 18
- 239000003899 bactericide agent Substances 0.000 claims description 17
- 230000000844 anti-bacterial effect Effects 0.000 claims description 15
- 230000002421 anti-septic effect Effects 0.000 claims description 15
- 229920003086 cellulose ether Polymers 0.000 claims description 15
- 238000000034 method Methods 0.000 claims description 15
- 239000007787 solid Substances 0.000 claims description 11
- 239000012752 auxiliary agent Substances 0.000 claims description 9
- 239000003795 chemical substances by application Substances 0.000 claims description 9
- 239000002671 adjuvant Substances 0.000 claims description 8
- 229920003088 hydroxypropyl methyl cellulose Polymers 0.000 claims description 6
- 235000010979 hydroxypropyl methyl cellulose Nutrition 0.000 claims description 6
- 239000004890 Hydrophobing Agent Substances 0.000 claims description 5
- RTZKZFJDLAIYFH-UHFFFAOYSA-N ether Substances CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 claims description 5
- 239000001866 hydroxypropyl methyl cellulose Substances 0.000 claims description 5
- UFVKGYZPFZQRLF-UHFFFAOYSA-N hydroxypropyl methyl cellulose Chemical group OC1C(O)C(OC)OC(CO)C1OC1C(O)C(O)C(OC2C(C(O)C(OC3C(C(O)C(O)C(CO)O3)O)C(CO)O2)O)C(CO)O1 UFVKGYZPFZQRLF-UHFFFAOYSA-N 0.000 claims description 5
- 229920001296 polysiloxane Polymers 0.000 claims description 5
- 229920005646 polycarboxylate Polymers 0.000 claims description 4
- WPJGWJITSIEFRP-UHFFFAOYSA-N 1,3,5-triazine-2,4,6-triamine;hydrate Chemical group O.NC1=NC(N)=NC(N)=N1 WPJGWJITSIEFRP-UHFFFAOYSA-N 0.000 claims description 3
- 239000002736 nonionic surfactant Substances 0.000 claims description 3
- 229910052615 phyllosilicate Inorganic materials 0.000 claims description 2
- 238000010276 construction Methods 0.000 abstract description 15
- 239000000203 mixture Substances 0.000 description 20
- 235000012239 silicon dioxide Nutrition 0.000 description 16
- 238000003756 stirring Methods 0.000 description 14
- 238000002156 mixing Methods 0.000 description 12
- 239000003292 glue Substances 0.000 description 11
- 239000010410 layer Substances 0.000 description 10
- 239000000377 silicon dioxide Substances 0.000 description 9
- 239000000919 ceramic Substances 0.000 description 8
- 238000000576 coating method Methods 0.000 description 8
- 230000000052 comparative effect Effects 0.000 description 8
- 239000011248 coating agent Substances 0.000 description 7
- 238000012360 testing method Methods 0.000 description 7
- 238000004806 packaging method and process Methods 0.000 description 6
- 239000003755 preservative agent Substances 0.000 description 5
- 239000004576 sand Substances 0.000 description 5
- 238000005303 weighing Methods 0.000 description 5
- 244000179970 Monarda didyma Species 0.000 description 4
- 235000010672 Monarda didyma Nutrition 0.000 description 4
- 239000004566 building material Substances 0.000 description 4
- 239000004567 concrete Substances 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 235000015073 liquid stocks Nutrition 0.000 description 4
- 230000002335 preservative effect Effects 0.000 description 4
- 239000003469 silicate cement Substances 0.000 description 4
- 239000000243 solution Substances 0.000 description 4
- 239000000126 substance Substances 0.000 description 4
- XRBURMNBUVEAKD-UHFFFAOYSA-N chromium copper nickel Chemical compound [Cr].[Ni].[Cu] XRBURMNBUVEAKD-UHFFFAOYSA-N 0.000 description 3
- 239000006185 dispersion Substances 0.000 description 3
- 238000009472 formulation Methods 0.000 description 3
- 230000002070 germicidal effect Effects 0.000 description 3
- JPMIIZHYYWMHDT-UHFFFAOYSA-N octhilinone Chemical compound CCCCCCCCN1SC=CC1=O JPMIIZHYYWMHDT-UHFFFAOYSA-N 0.000 description 3
- 238000002360 preparation method Methods 0.000 description 3
- 229920000877 Melamine resin Polymers 0.000 description 2
- 239000012790 adhesive layer Substances 0.000 description 2
- DMSMPAJRVJJAGA-UHFFFAOYSA-N benzo[d]isothiazol-3-one Chemical compound C1=CC=C2C(=O)NSC2=C1 DMSMPAJRVJJAGA-UHFFFAOYSA-N 0.000 description 2
- 229920002678 cellulose Polymers 0.000 description 2
- 235000013339 cereals Nutrition 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 239000003085 diluting agent Substances 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- 238000001035 drying Methods 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- IVJISJACKSSFGE-UHFFFAOYSA-N formaldehyde;1,3,5-triazine-2,4,6-triamine Chemical class O=C.NC1=NC(N)=NC(N)=N1 IVJISJACKSSFGE-UHFFFAOYSA-N 0.000 description 2
- 238000011065 in-situ storage Methods 0.000 description 2
- 230000000670 limiting effect Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000011056 performance test Methods 0.000 description 2
- 239000011148 porous material Substances 0.000 description 2
- 230000002829 reductive effect Effects 0.000 description 2
- 238000007790 scraping Methods 0.000 description 2
- 230000003068 static effect Effects 0.000 description 2
- 239000008030 superplasticizer Substances 0.000 description 2
- 239000012085 test solution Substances 0.000 description 2
- JLHMJWHSBYZWJJ-UHFFFAOYSA-N 1,2-thiazole 1-oxide Chemical compound O=S1C=CC=N1 JLHMJWHSBYZWJJ-UHFFFAOYSA-N 0.000 description 1
- BVKZGUZCCUSVTD-UHFFFAOYSA-M Bicarbonate Chemical compound OC([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-M 0.000 description 1
- 239000004484 Briquette Substances 0.000 description 1
- CBOCVOKPQGJKKJ-UHFFFAOYSA-L Calcium formate Chemical compound [Ca+2].[O-]C=O.[O-]C=O CBOCVOKPQGJKKJ-UHFFFAOYSA-L 0.000 description 1
- BVKZGUZCCUSVTD-UHFFFAOYSA-L Carbonate Chemical compound [O-]C([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-L 0.000 description 1
- 241000824311 Daku Species 0.000 description 1
- BPQQTUXANYXVAA-UHFFFAOYSA-N Orthosilicate Chemical compound [O-][Si]([O-])([O-])[O-] BPQQTUXANYXVAA-UHFFFAOYSA-N 0.000 description 1
- 239000002202 Polyethylene glycol Substances 0.000 description 1
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- -1 acrylic ester Chemical class 0.000 description 1
- 239000004480 active ingredient Substances 0.000 description 1
- 239000013543 active substance Substances 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 239000011230 binding agent Substances 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 229940044172 calcium formate Drugs 0.000 description 1
- 239000004281 calcium formate Substances 0.000 description 1
- 235000019255 calcium formate Nutrition 0.000 description 1
- OYACROKNLOSFPA-UHFFFAOYSA-N calcium;dioxido(oxo)silane Chemical class [Ca+2].[O-][Si]([O-])=O OYACROKNLOSFPA-UHFFFAOYSA-N 0.000 description 1
- 238000009960 carding Methods 0.000 description 1
- 239000001913 cellulose Substances 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 238000003889 chemical engineering Methods 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- DHNRXBZYEKSXIM-UHFFFAOYSA-N chloromethylisothiazolinone Chemical compound CN1SC(Cl)=CC1=O DHNRXBZYEKSXIM-UHFFFAOYSA-N 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 239000004035 construction material Substances 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000010790 dilution Methods 0.000 description 1
- 239000012895 dilution Substances 0.000 description 1
- 239000012153 distilled water Substances 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 235000013312 flour Nutrition 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 229910052602 gypsum Inorganic materials 0.000 description 1
- 239000010440 gypsum Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000011086 high cleaning Methods 0.000 description 1
- 239000011396 hydraulic cement Substances 0.000 description 1
- 229930195733 hydrocarbon Natural products 0.000 description 1
- 150000002430 hydrocarbons Chemical class 0.000 description 1
- 238000007654 immersion Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N iron oxide Inorganic materials [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 description 1
- MGIYRDNGCNKGJU-UHFFFAOYSA-N isothiazolinone Chemical compound O=C1C=CSN1 MGIYRDNGCNKGJU-UHFFFAOYSA-N 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 239000004816 latex Substances 0.000 description 1
- 229920000126 latex Polymers 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000010297 mechanical methods and process Methods 0.000 description 1
- BEGLCMHJXHIJLR-UHFFFAOYSA-N methylisothiazolinone Chemical compound CN1SC=CC1=O BEGLCMHJXHIJLR-UHFFFAOYSA-N 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 239000002480 mineral oil Substances 0.000 description 1
- 235000010446 mineral oil Nutrition 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 description 1
- NDLPOXTZKUMGOV-UHFFFAOYSA-N oxo(oxoferriooxy)iron hydrate Chemical compound O.O=[Fe]O[Fe]=O NDLPOXTZKUMGOV-UHFFFAOYSA-N 0.000 description 1
- 239000012188 paraffin wax Substances 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 229920001223 polyethylene glycol Polymers 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 229920002635 polyurethane Polymers 0.000 description 1
- 239000004814 polyurethane Substances 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000000284 resting effect Effects 0.000 description 1
- 238000007761 roller coating Methods 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 238000007873 sieving Methods 0.000 description 1
- 125000005624 silicic acid group Chemical class 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 229920002050 silicone resin Polymers 0.000 description 1
- 238000002791 soaking Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000004381 surface treatment Methods 0.000 description 1
- 239000002562 thickening agent Substances 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J125/00—Adhesives 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; Adhesives based on derivatives of such polymers
- C09J125/02—Homopolymers or copolymers of hydrocarbons
- C09J125/04—Homopolymers or copolymers of styrene
- C09J125/08—Copolymers of styrene
- C09J125/14—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
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J1/00—Adhesives based on inorganic constituents
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J11/00—Features of adhesives not provided for in group C09J9/00, e.g. additives
- C09J11/02—Non-macromolecular additives
- C09J11/04—Non-macromolecular additives inorganic
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
- E04F13/00—Coverings or linings, e.g. for walls or ceilings
- E04F13/07—Coverings or linings, e.g. for walls or ceilings composed of covering or lining elements; Sub-structures therefor; Fastening means therefor
- E04F13/08—Coverings or linings, e.g. for walls or ceilings composed of covering or lining elements; Sub-structures therefor; Fastening means therefor composed of a plurality of similar covering or lining elements
- E04F13/0885—Coverings or linings, e.g. for walls or ceilings composed of covering or lining elements; Sub-structures therefor; Fastening means therefor composed of a plurality of similar covering or lining elements specially adapted for being adhesively fixed to the wall; Fastening means therefor; Fixing by means of plastics materials hardening after application
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/91—Use of waste materials as fillers for mortars or concrete
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Adhesives Or Adhesive Processes (AREA)
Abstract
The invention discloses a bi-component back adhesive and application thereof, wherein the bi-component back adhesive comprises liquid material and powder material, wherein the liquid material comprises 30-32% of styrene-acrylic emulsion and 67-70% of water, and the sum of the weight percentages of all components in the liquid material is 100% based on the weight of the liquid material; the powder comprises 52-55% of Portland cement, 38.5-42% of quartz sand and 5-6.5% of quartz powder, wherein the sum of the weight percentages of the components in the powder is 100% based on the weight of the powder; wherein the weight ratio of the liquid material to the powder material is 1 (2.5-3.4). According to the technical scheme of the invention, the double-component back adhesive has high adhesive strength and low cost, and is convenient for large-area construction.
Description
Technical Field
The invention relates to the field of building materials, in particular to a bi-component back adhesive and application thereof.
Background
At present, in the wall surface tiling process, especially the tile wall-mounting process, the tile has low water absorption rate and high paving difficulty, so a higher paving process is needed, otherwise, the tile is easy to empty and fall off in the later stage. Therefore, special tile back glue is mostly used for the wall surface tiles at present. The tile adhesive is usually a single-component tile adhesive, which has the advantages of higher price, poor water resistance and weather resistance and small application area.
Disclosure of Invention
In view of the above, the present invention provides a dual-component adhesive backing and its use, wherein the dual-component adhesive backing has high adhesive strength, low cost and convenient large-area construction.
The invention provides the following technical scheme:
a two-component gum comprising a liquid stock and a powder stock, the liquid stock comprising 30-32% styrene-acrylic emulsion and 67-70% water, based on the weight of the liquid stock, wherein the sum of the weight percentages of the components in the liquid stock is 100%; the powder comprises 52-55% of Portland cement, 38.5-42% of quartz sand and 5-6.5% of quartz powder, wherein the sum of the weight percentages of the components in the powder is 100% based on the weight of the powder; wherein the weight ratio of the liquid material to the powder material is 1 (2.5-3.4).
The present invention provides the following non-conventional alternatives:
the weight ratio of the quartz powder to the quartz sand is (0.13-0.17): 1.
The powder also comprises 1.5-2.2% of a powder auxiliary agent based on the weight of the powder; the powder auxiliary agent comprises one or more of the following components: metakaolin, cellulose ether, a powder defoaming agent, a powder hydrophobing agent and a powder water reducing agent.
The powder comprises 1.2-2.0% of metakaolin, 0.01-0.05% of cellulose ether, 0.02-0.05% of powder defoamer, 0.01-0.04% of powder hydrophobing agent and 0.04-0.1% of powder water reducer based on the weight of the powder.
The metakaolin is metakaolin with the average granularity of more than 1000 meshes; the cellulose ether is hydroxypropyl methyl cellulose ether; the powder defoaming agent is a nonionic surfactant; the powder hydrophobizing agent is dispersible phyllosilicate; the powder water reducer is a melamine water reducer.
In the liquid material, the solid content of the styrene-acrylic emulsion is 47-49%, the average particle size of emulsion particles in the styrene-acrylic emulsion is 0.2-0.3 mu m, and the minimum film forming temperature is 13-17 ℃.
The liquid also comprises less than 0.7% liquid adjuvant, based on the weight of the liquid; the liquid auxiliary agent comprises one or more of the following components: liquid defoaming agent, liquid water reducing agent and antiseptic bactericide.
The liquid material comprises 0.08-0.2% of the liquid material defoamer, 0.1-0.2% of the liquid material water reducer and 0.2-0.3% of the antiseptic bactericide, based on the weight of the liquid material.
The liquid defoaming agent is an organic silicon defoaming agent, and the liquid water reducing agent is a polycarboxylate water reducing agent.
The invention also provides application of the bi-component back adhesive to tile back adhesive in the wall surface tiling process.
According to the technical scheme of the invention, the bi-component back adhesive comprises liquid material and powder material with the weight ratio of 1 (2.5-3.4), and the liquid material comprises styrene-acrylic emulsion with specific content and the powder material comprises quartz sand with specific content, so that the bi-component back adhesive has the advantages of low cost and good viscosity while ensuring high bonding strength, and is convenient for on-site large-area construction. Specifically, the liquid material contains styrene-acrylic emulsion with lower content and water with higher content, so that the cost of the liquid material is reduced, the powder material contains quartz sand with higher content and silicate cement, the weight ratio of the powder material in the double-component back adhesive is obviously larger than that of the liquid material, and the cost of the double-component back adhesive can be effectively reduced due to low cost of the powder material, and meanwhile, the bonding strength of the double-component back adhesive is ensured; in addition, after the powder and the liquid in the specific weight ratio are mixed, the viscosity of the bi-component back adhesive is moderate, so that the bi-component back adhesive is convenient to dry and is convenient to construct on a base surface, in particular to construct on a wall surface.
Detailed Description
The present invention will be described more fully hereinafter in order to facilitate an understanding of the present invention. The present invention may be embodied in many different forms and is not limited to the embodiments described herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
At present, when the wall surface is coated with the ceramic tile, the cost of the single-component back adhesive is higher, the water resistance and the weather resistance are poorer, the bonding strength is not obviously improved, and the single-component back adhesive is only suitable for being applied to the back surface of the ceramic tile and cannot be directly applied to the wall surface. In addition, the single-component back adhesive has high cleaning degree requirement on the basal plane, is only suitable for small coating thickness and construction area, and is usually less than 0.5mm in coating thickness and less than 1m in construction area 2 . In addition, the single-component back adhesive has long drying period, and the construction of the subsequent procedures can be carried out only 8-12 hours after the coating, so that the construction progress is influenced. The bi-component back adhesive disclosed by the invention has the advantages of ensuring high bonding strength, simultaneously realizing low cost, being convenient for large-area construction on site and accelerating construction progress; the double-component back adhesive has the function of surface treatment, and the bonding strength is obviously superior to that of the single-component back adhesive.
Embodiments of the present invention provide a two-component backsize that may include a liquid and a powder, the liquid may include 30-32%, such as 30.5-31.5%, of a styrene-acrylic emulsion and 67-70%, such as 67.5-68.5%, of water, based on the weight of the liquid, wherein the sum of the weight percentages of the components in the liquid is 100%; the powder may comprise 52-55% Portland cement, 38.5-42% quartz sand, and 5-6.5% quartz powder, wherein the sum of the weight percentages of the components in the powder is 100% based on the weight of the powder; wherein the weight ratio of liquid to powder may be 1 (2.5-3.4), such as 1 (2.8-3.2), such as 1:3.
In embodiments of the invention, the silica sand may be silica having an average particle size of 40-120 mesh, such as 80-100 mesh; the quartz sand mainly comprises 99.94-99.98% of silicon dioxide and 0.02-0.06% of ferric oxide; it should be understood that the silica sand may contain 0-3% impurities, based on the weight of the silica sand; quartz sand typically has a 40 mesh screen balance of 0-10%, a 50 mesh screen balance of 20-60%, a 100 mesh screen balance of 85-100%, or a 200 mesh screen balance of 97-100%. The quartz powder may be silica having an average particle size of 200-350 mesh, for example 250 mesh; the composition of the quartz powder is the same as that of quartz sand; quartz powder generally meets the following index requirements: the 100-mesh sieve residue is 0%, the 200-mesh sieve residue is 0-10%, and the water content is not more than 0.5% based on the weight of the quartz powder. The weight ratio of silica flour to silica sand may be (0.13-0.17): 1, for example 0.134:1, 0.137:1 or 0.159:1. The term "sieve residue" means the weight of the residue on the sieve after sieving the sample as a percentage of the total weight of the sample.
Portland cement may be a hydraulic cement binder made from Portland cement clinker, 5% -20% of a blend of materials and a suitable amount of gypsum, ground, which meets the GB175-2007 standard. The portland cement may have a strength grade of p.o42.5, p.o42.5r, p.o52.5 or p.o52.5r, for example p.o42.5r, as determined according to GB 175-2007.
The powder may also include 1.5-2.2%, for example 1.62-2.2%, by weight of the powder, of a powder aid. The powder auxiliary agent comprises one or more of the following components: metakaolin, cellulose ether, a powder defoaming agent, a powder hydrophobing agent and a powder water reducing agent. One formulation of the powder adjuvant may be 1.2-2.0% metakaolin, 0.01-0.05% cellulose ether, 0.02-0.05% powder defoamer, 0.01-0.04% powder hydrophobe and 0.04-0.1% powder water reducer, based on the weight of the powder.
The powder auxiliary agents can be commercially available products known to those skilled in the art. In particular, the metakaolin may be metakaolin having an average particle size greater than 1000 mesh, such as 1250 mesh. The silica content of the metakaolin may be 50-60%, such as 53-57%, such as 52%, 54%, 54.6%, 55.06%, 55.8%, 58%, 60%, aluminum oxide (Al) 2 O 3 ) The content of (c) may be 40-50%, for example 42-48%, 43-45%, for example 41.8%, 42.7%, 43.5%, 44.1%, 45.0% or 47.2%. The cellulose ether may be hydroxypropyl methyl cellulose ether (HPMC) having an average molecular weight of 3.6 to 4.8 ten thousand at 25℃as measured using a rotary viscometer, for example, available from Shandong Tiansheng cellulose Co., ltd. The powder defoamer may be a nonionic surfactant, for example, a compound comprising carbonate or bicarbonate, polyethylene glycol, a mixture of amorphous silicic acids, such as P803 supplied by cantonese lake technologies, inc. The powder hydrophobizing agent can be dispersible layered silicate, for example, the active ingredient can be organically modified calcium silicate, and the 60 mesh sieve allowance is less than or equal to 2.0%, for example, guangzhou Jian Tu Bao building materialWR650 supplied by the company limited. The powder water reducer may be a melamine water reducer, such as a sulfonated melamine formaldehyde resin powder superplasticizer, such as available from Xingbang chemical building materials Inc. of Suzhou.
The average particle size of the solid particles such as quartz sand, quartz powder, metakaolin and the like is the sieve pore size corresponding to 50 percent of accumulated weight percentage on the sieve, and the sieve pore size is measured by a mechanical method according to GB/T21524-2008.
The solids content of the styrene-acrylic emulsion in the liquid may be 47-49%, for example 47.5-48.5%, for example 47.8%, 48.3%, 48.9%. The average particle diameter of the latex particles in the styrene-acrylic emulsion (also referred to as the average particle diameter of the styrene-acrylic emulsion) may be 0.2 to 0.3 μm; the minimum film forming temperature (MFT) is 13-17 ℃. The styrene-acrylic emulsion may be any commercially available product known to those skilled in the art, such as the product available from Guangdong Baderfu Co., ltd., trade name RS-300L-1.
The solids content (w) of the styrene-acrylic emulsion is generally determined as follows: baking the flat-bottomed disc (diameter: about 75 mm) in a (150.+ -. 2) DEG C air-blown oven for 15min, cooling to room temperature in a dryer, and weighing the mass (m) of the disc 0 ) Accurate to 1mg. The mass (m) of the sample before heating of the test product was weighed in a pan with the same accuracy 1 ) About 1g and ensures that the sample is uniformly dispersed on the disk surface. If the viscosity of the sample is too high, the weighed sample may be diluted with water and homogenized. The discs, weighed samples, were placed in a forced air oven preheated to (150.+ -. 2) ℃ for 15 minutes. The tray was transferred into a desiccator, cooled to room temperature, and the mass (m 2 ) Accurate to 1mg; then the solids content (w) = (m) 2 -m 0 )/m 1 *100％。
The minimum film forming temperature (MFT) of the styrene-acrylic emulsion was tested mainly using a minimum film forming thermometer (rhooint MFFT-90, uk) and a film applicator (film thickness 75 μm), the test steps were as follows: 1) Before starting up, tin paper is paved on the nickel-chromium copper plate, and a water tank, an air compressor and a host of the lowest film forming thermometer are sequentially opened; 2) Clicking a touch screen control panel to enter a temperature section for setting, selecting a proper temperature range according to the requirement, and indicating Ready when the 'Ready' on the instrument control panel changes from gray to blue; 3) Opening a transparent upper cover of a nickel-chromium copper plate of the instrument, uniformly coating a sample on the nickel-chromium copper plate from the right (hot end) to the left (cold end) by using a film coater, and covering the transparent upper cover after the completion; 3) And (3) checking the film forming condition of the sample at regular time, after the film is completely dried, moving the temperature vernier to a position with the film forming width of 90% overtime, and reading the temperature data of the position to obtain the lowest film forming temperature of the sample.
Particle size of the styrene-acrylic emulsion was tested using a laser particle sizer (PSS Z3000 in the united states) by the following procedure: 1) The sample was diluted, a small amount of emulsion sample was spotted with a glass rod and stirred uniformly in a plastic cup containing a small amount of water to obtain a sample diluent (emulsion: the weight ratio of water is about 1:1000), and the test solution can be prepared according to the specific conditions of the sample due to the large difference between the solid content and the viscosity of different emulsions; 2) Adding 200g of natural distilled water into a 250ml beaker, adding 1-2 drops of sample to be tested when the solid content of the sample is small, adding about half drops of sample to be tested when the solid content of the sample is large, uniformly stirring, wherein the frequency value is in the range of 280-320KHz when the preparation concentration is proper, the concentration is lower when the frequency value is lower than 280KHz, the concentration is higher when the frequency value is higher than 320KHz, the dilution degree is adjusted according to the specific condition of the test solution, the color of the prepared sample with small solid content is clear with blue light, and the color of the prepared sample with large solid content is clear with white light; 3) Taking the diluent to about 2/3-4/5 of the volume of the cuvette, wiping the outer wall of the cuvette with filter paper, removing bubbles, slightly inserting the bubbles into a sample groove, and selecting a test item as SIZE; 4) Firstly, data are stored, then testing is started, and finally, particle size data and distribution conditions are obtained according to distribution diagrams.
The liquid may comprise less than 0.7%, such as 0.4-0.6%, such as 0.5% liquid adjuvant, based on the weight of the liquid. The liquid adjuvant may comprise one or more of the following: liquid defoaming agent, liquid water reducing agent and antiseptic bactericide. One preparation method of the liquid material auxiliary agent can be to adopt 0.08-0.2% of liquid material defoamer, 0.1-0.2% of liquid material water reducer and 0.2-0.3% of antiseptic bactericide.
The liquid additives can be commercially available products known to those skilled in the art. Specifically, the liquid material defoamer may be a silicone defoamer, such as a polymer defoamer, a silicone resin defoamer, or the like; polymeric defoamers may include mixtures of functionally modified silicones with hydrocarbons, such as DF1306 from the company of environmental protection technologies, inc. In the bergamot; the silicone defoamer may include mineral oil, hydrophobe paraffin wax, and a silicone mixture, and may include at least one of DA480 of the family bergamot, the family peak chemical industry limited, DF1668 of the family bergamot, the environmental protection technology limited. The liquid water reducer can be a polycarboxylate water reducer and can be an acrylic ester polycarboxylate water reducer; such as MP4045 available from guangzhou and the company of the construction materials, inc. The antiseptic germicides may include one or more of the following: preservatives or bactericides. The preservative may be an isothiazolone preservative such as 5-chloro-2-methyl-3 (2H) isothiazolone, 2-methyl-3 (2H) isothiazolone; such as kathon from the company cissima chemical limited of bergamot. The primary active substance of the germicide may be an isothiazolinone germicide, such as 1, 2-benzisothiazolin-3-one, for example BIT from the company Foshan Shundelan chemical Co., ltd.
One specific formulation of the two-component adhesive backing is as follows: the liquid material comprises: 30-32% of styrene-acrylic emulsion, 67.5-69.5% of water, 0.05-0.15% of liquid material defoamer, 0.1-0.2% of liquid material water reducer and 0.2-0.3% of antiseptic bactericide; the powder comprises: 52-54% of silicate cement, 39-40% of quartz sand, 5.3-6.4% of quartz powder, 1.0-2% of metakaolin, 0.01-0.05% of cellulose ether, 0.01-0.05% of powder defoaming agent, 0.01-0.04% of powder hydrophobizing agent and 0.03-0.1% of powder water reducer; wherein the weight ratio of the liquid material to the powder material is 1:3.
Another specific formulation of the two-component adhesive backing is as follows: the liquid material comprises: 31-32% of styrene-acrylic emulsion, 67.5-68.5% of water, 0.08-0.12% of liquid material defoamer, 0.13-0.17% of liquid material water reducer and 0.23-0.27% of antiseptic bactericide; the powder comprises: 52-53% of silicate cement, 39-40% of quartz sand, 5.3-5.6% of quartz powder, 1.3-1.7% of metakaolin, 0.02-0.04% of cellulose ether, 0.025-0.034% of powder defoaming agent, 0.018-0.022% of powder hydrophobizing agent and 0.05-0.07% of powder water reducer; wherein the weight ratio of the liquid material to the powder material is 1:3.
The product form of the two-component back adhesive can be that liquid materials and powder materials are packaged separately and sold in combination. For example, after the liquid and powder materials are individually packaged, they are combined together in the above weight ratio of the liquid and powder materials, and they are put into a container such as a packaging bag or a packaging barrel for use or sale. When in use, only the powder and the liquid in the container are required to be mixed. Or the liquid material and the powder material can be mixed in situ according to the weight ratio of the liquid material and the powder material after in-situ production, and the double-component back adhesive is formed for direct use.
The untreated tensile bond strength of the two-component back adhesive is greater than 1.14Mpa, and the tensile bond strength after soaking treatment is greater than 1.00Mpa, which is measured according to JC/T907-2018I type.
After mixing the liquid and powder, the initial rotational viscosity of the two-component adhesive backing at 25℃is 3000-6500mPa.s, measured using a rotational viscometer using a rotor No. 4 at a rotational speed of 30 r/min. It is generally considered that the initial rotational viscosity satisfies the construction requirement in the range of 3000 to 7000mpa.s, and the closer to the intermediate value 5000mpa.s, the more convenient the construction. The two-component adhesive backing was left to stand at 25℃for 30 minutes and then at a rotational viscosity of 3600 to 10800mPa.s, as measured by a rotational viscometer using a No. 4 spindle at a rotational speed of 30 r/min. It is generally considered that a static rotational viscosity of less than 12000mpa.s satisfies the construction requirements, and a lower static rotational viscosity means a longer construction open time.
The embodiment of the invention provides a method for preparing the bi-component back adhesive, which comprises the following steps: a) Preparing a liquid material and B) preparing a powder material. In step A), water is mixed with the styrene-acrylic emulsion to obtain a liquid material. The specific steps can be as follows: ai) adding a portion of water to a dispersion tank equipped with a stirring device at a stirring rate of 100-200 r/min; aii) mixing the balance of water with a preservative and bactericidal agent to form a preservative and bactericidal agent solution; aiii) adding the styrene-acrylic emulsion, the liquid defoaming agent, the liquid water reducing agent and the antiseptic bactericide solution into the water in Ai), stirring and mixing for 15-30 minutes at the stirring rate of 250-350r/min to uniformly mix, and filtering by a 100-mesh filter screen to obtain the liquid. In the step B), silicate cement, quartz sand and quartz powder are mixed to obtain powder. The specific steps can be as follows: bi) mixing portland cement, quartz sand, quartz powder and metakaolin to obtain a mixture 1; bii) adding cellulose ether, a powder defoaming agent, a powder hydrophobizing agent and a powder water reducing agent into the mixture 1, and mixing for 7-10 minutes until the mixture is uniformly mixed to obtain powder. In step Ai) a "portion of the water" means that in step Ai) the water is added in an amount of 85-97% of the total water usage of the liquid, based on the weight of the water in the liquid. In step Aii), all liquid adjuvants may also be mixed with water to form a liquid adjuvant mixture, and then in step Aiii), the styrene-acrylic emulsion, liquid adjuvant mixture is added to the water in Ai), and mixed uniformly under the same conditions as described above.
The bi-component back adhesive in the embodiment of the invention can be used as tile back adhesive and also can be directly used for roofs and the like as waterproof materials.
Before the two-component back adhesive is used, the surface to be applied is usually required to be cleaned or finished, for example, dirt, dust, release agent and the like on the back surface of a ceramic tile are removed, holes and cracks on a base surface such as a concrete surface are required to be repaired, and the empty parts are required to be chiseled or flattened. In the use process, the liquid material is firstly poured into a mixing container such as a stirring barrel according to the weight ratio, the powder material is slowly added while mixing, such as stirring, and the mixture is fully stirred until the mixture is uniform and free of caking, and is left stand for 2-5 minutes, such as 3 minutes, and is fully stirred again for use. After mixing the liquid and powder, the use is generally completed within 1 to 4 hours, for example 1.5 to 2.5 hours.
The two-component backsize is applied by coating means known to those skilled in the art, such as roller coating or brush coating, typically to a thickness of 0.4-10mm, such as 0.5-0.8mm. In the coating process of the bi-component back adhesive, the air temperature is not lower than 5 ℃ and the relative humidity is not more than 80%; ventilation is usually kept during indoor coating, so that the film formation of the bi-component back adhesive is facilitated. The two-component back glue can be coated on the back of the ceramic tile or on the base surface of the ceramic tile to be attached, such as the concrete surface. And (5) carrying out construction of subsequent procedures after the bi-component back adhesive is coated for 4-6 hours.
In another embodiment of the present invention, after the bi-component backsize is applied to the back of the tile to provide a tile with a bi-component backsize layer, a layer of tile glue is applied to the base surface, e.g., the concrete surface, and then the tile with the bi-component backsize layer is applied to the tile glue layer, and after a period of curing, the application of the tile is completed. Tile gums are a type known to those skilled in the art and may be commercially available or prepared by known methods, which meet the JC/T547-2017 standard.
The embodiment of the invention also provides a tile laminating system, which comprises a basal plane, a bi-component gum layer and tiles which are sequentially laminated; the two-component backsize layer has the definition described herein. The tile application system can further include a tile adhesive layer positioned between the base surface and the two-component backsize layer.
The invention is illustrated by the following specific examples. The embodiments described below are exemplary only for explaining the present invention and are not to be construed as limiting the present invention. The examples are not to be construed as limiting the specific techniques or conditions described in the literature in this field or as per the specifications of the product. The reagents or apparatus used were conventional products commercially available without the manufacturer's attention.
The materials used are:
styrene-acrylic emulsion: RS-300L-1, available from Guangdong Baderfu Co., ltd;
liquid material defoamer: DA480, available from the mountain Final chemical Co., ltd;
liquid material water reducer: MP4045, available from Guangzhou and Dragon building materials technologies Co., ltd;
antiseptic bactericide: kathon, available from the company of Ind blue chemical engineering, inc., of Buddha;
portland cement: PO42.5R from the Buddha conch Limited liability company;
quartz sand: the average particle diameter is 80 meshes; purchased from guangdong austin new materials limited;
quartz powder: the average particle size is 250 mesh, and is purchased from Sanya New Material Co., shunde district of Buddha;
metakaolin: the average grain size is 1250 mesh, and the grain size is purchased from the Ministry of the Daku, the Kyokuku and the Ministry of the mining industry;
cellulose ether: hydroxypropyl methylcellulose ether having an average molecular weight of 4.2 tens of thousands; purchased from Shandong Tiansheng cellulose stock Co., ltd;
powder defoaming agent: p803, available from guangdong lake science and technology, inc;
powder hydrophobing agent: WR650, available from guangzhou bastard building materials inc;
powder water reducer: sulfonated melamine formaldehyde resin powder superplasticizer is purchased from Xingbang chemical building materials Co., ltd.
1. Preparation example
Example 1
A) Preparing liquid material:
cleaning a pipeline, a dispersion kettle and a packaging machine; accurately weighing 90 weight percent of water in the weight part shown in the table 1, putting the water into a dispersing kettle, starting a dispersing machine, and adjusting the stirring speed to 150 r/min; accurately weighing styrene-acrylic emulsion, liquid defoaming agent, liquid water reducing agent and antiseptic bactericide according to the parts by weight shown in table 1; mixing the rest parts by weight of water with antiseptic bactericide to form antiseptic bactericide solution; sequentially adding the styrene-acrylic emulsion, the liquid material defoamer, the liquid material water reducer and the antiseptic bactericide solution into a dispersing kettle, slowly adjusting the stirring rotation speed to 300r/min, and simultaneously starting scraping stirring; after the materials are completely fed, dispersing and stirring for 20 minutes until stirring is uniform; after the dispersion stirring is finished, stopping the machine for sampling and detecting; and after the central control detection is qualified, filtering by a 100-mesh filter screen, and packaging according to 2500g per part.
B) Preparing powder:
cleaning a pipeline, a mixer and a packaging machine; accurately weighing Portland cement, quartz sand, quartz powder and metakaolin according to the parts by weight shown in Table 1, and then putting the materials into a proportioning bin; accurately weighing cellulose ether, a powder defoaming agent, a powder hydrophobizing agent and a powder water reducing agent according to the parts by weight shown in table 1, and then putting the cellulose ether, the powder defoaming agent, the powder hydrophobizing agent and the powder water reducing agent into a proportioning bin; after the material feeding is finished, conveying the materials in the proportioning bin into a mixer for mixing at 50r/min, wherein the stirring time is 10min; after the mixing is finished, conveying the mixture to a finished product bin; and after the central control detection is qualified, packaging according to 6250g of each part.
Examples 2 to 27 and comparative examples 1 to 11
The procedure of example 1 was repeated, except that the compositions of the liquid and powder materials were as shown in tables 1 and 2.
Table 1 composition of the two-component backsize of each example
Table 2 composition of two-component backsize of each comparative example
2. Performance test of two-component adhesive-backed
The tensile bond strength of the two-component adhesive backings of the examples and comparative examples was determined according to JC/T907-2018 standard type I.
The initial rotational viscosity and the resting rotational viscosity of the two-component adhesive-backed were measured at 25℃and a rotational speed of 30r/min using a rotor No. 4 using a rotational viscometer of the BROOKFIELD model.
The results of the above tests are summarized in Table 3.
Table 3 performance test of two-component backsize for each of the examples and comparative examples
3. Application test of two-component back adhesive
Application examples
Uniformly mixing the liquid material and the powder material prepared in the embodiment 5 to obtain a bi-component back adhesive; the two-component back adhesive is coated on the back of the ceramic tile with the thickness of 0.5mm, and the ceramic tile with the two-component back adhesive layer is obtained after drying for 6 hours under standard conditions (the temperature is (23+/-2) DEG C and the relative humidity is (50+/-5%).
Under standard conditions (temperature is (23+/-2) DEG C, relative humidity is (50+/-5)%) and the circulating air speed of the test area is less than 2m/s, a layer of tile glue is smeared on a concrete slab by forceful scraping by a straight-edge spatula, then a layer of tile glue which is slightly thicker is smeared by a tooth spatula, and the tile glue is combed by a tooth spatula with a center distance of 6mm by 6 mm. The tooth spatula should be held at about 60 ° to the slab, at right angles to one side of the slab, and spread parallel to the slab edge (straight line movement). And placing 10 tiles with the two-component gum layer on the tile adhesive in a specified time. The number of the carding strips for placing the ceramic tiles is 4. A briquette of about 2KG was then placed on each tile for 30s. Wherein the tile glue comprises 32% PO42.5R ash cement, 61.2%80 mesh river sand, 5% mineral powder, 1.1% glue powder, 0.4% calcium formate and 0.3% hydroxypropyl methyl cellulose ether.
After curing for 27 days under standard conditions, the properties were tested according to JC/T547-2017 C1 type.
Comparative example 1 was used
The procedure of the application example was repeated except that the tile glue was applied directly to the back of the tile without the use of a two-component backing glue.
Comparative example 2 was used
The procedure of the application example was repeated except that the two-component adhesive was replaced with a one-component adhesive and the back of the tile was dried under standard conditions (temperature at (23.+ -. 2) C., relative humidity (50.+ -. 5)%) for 12 hours after the one-component adhesive was applied; wherein the single-component back adhesive comprises 82.5% of styrene-acrylic emulsion, 17.33% of water, 0.05% of DA480, 0.02% of Kathon and 0.1% of polyurethane thickener.
Table 4 experimental results of application examples and comparative examples of respective applications
From the above, it can be seen that the two-component adhesive backing of the present invention meets JC/T907-2018 type I requirements, and has better tensile bond strength and viscosity than the comparative examples. For example, the untreated tensile bonding strength of the two-component adhesive back of the invention can reach 1.41MPa, the tensile bonding strength of the two-component adhesive back of the invention after the water immersion treatment can reach 1.28MPa, the initial rotational viscosity can reach 4950mPa.s or 5050mPa.s, and the construction window is effectively prolonged. In addition, as can be seen from table 4, when the two-component back adhesive of the present invention is used to attach tiles, the tensile bond strength under various conditions is significantly greater than when the one-component back adhesive is used and when the back adhesive is not used.
The technical features of the foregoing embodiments may be arbitrarily combined, and for brevity, all of the possible combinations of the technical features of the foregoing embodiments are not described, however, all of the combinations of the technical features should be considered as being within the scope of the disclosure. The above embodiments do not limit the scope of the present invention. It will be apparent to those skilled in the art that various modifications, combinations, sub-combinations and alternatives can occur depending upon design requirements and other factors. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the scope of the present invention.
Claims (10)
1. A bi-component back adhesive comprises liquid material and powder material, and is characterized in that,
the liquid comprises 30-32% of styrene-acrylic emulsion and 67-70% of water, wherein the sum of the weight percentages of the components in the liquid is 100% based on the weight of the liquid;
the powder comprises 52-55% of Portland cement, 38.5-42% of quartz sand and 5-6.5% of quartz powder, wherein the sum of the weight percentages of the components in the powder is 100% based on the weight of the powder;
wherein the weight ratio of the liquid material to the powder material is 1 (2.5-3.4).
2. The two-component backsize according to claim 1, wherein the weight ratio of the quartz powder to the quartz sand is (0.13-0.17): 1.
3. The two-component adhesive backing according to claim 1 or 2, wherein the powder further comprises 1.5-2.2% of a powder auxiliary agent, based on the weight of the powder; the powder auxiliary agent comprises one or more of the following components: metakaolin, cellulose ether, a powder defoaming agent, a powder hydrophobing agent and a powder water reducing agent.
4. The two-component adhesive backing of claim 3 wherein the powder comprises 1.2-2.0% of the metakaolin, 0.01-0.05% of the cellulose ether, 0.02-0.05% of the powder defoamer, 0.01-0.04% of the powder hydrophobe, and 0.04-0.1% of the powder water reducer, based on the weight of the powder.
5. The two-component gum of claim 4, wherein the metakaolin is a metakaolin having an average particle size greater than 1000 mesh; the cellulose ether is hydroxypropyl methyl cellulose ether; the powder defoaming agent is a nonionic surfactant; the powder hydrophobizing agent is dispersible phyllosilicate; the powder water reducer is a melamine water reducer.
6. The two-component adhesive backing according to claim 1 or 2, wherein the solid content of the styrene-acrylic emulsion in the liquid material is 47-49%, the average particle size of the emulsion particles in the styrene-acrylic emulsion is 0.2-0.3 μm, and the minimum film forming temperature is 13-17 ℃.
7. The two-component adhesive backing according to claim 1 or 2, wherein the liquid further comprises less than 0.7% of a liquid adjuvant, based on the weight of the liquid; the liquid auxiliary agent comprises one or more of the following components: liquid defoaming agent, liquid water reducing agent and antiseptic bactericide.
8. The two-component adhesive backing of claim 7 wherein the liquid comprises 0.08-0.2% of the liquid defoamer, 0.1-0.2% of the liquid water reducer, and 0.2-0.3% of the antiseptic bactericide, based on the weight of the liquid.
9. The two-component adhesive backing of claim 8 wherein the liquid defoamer is a silicone defoamer and the liquid water reducer is a polycarboxylate water reducer.
10. Use of the two-component adhesive of any one of claims 1-9 as tile adhesive in a wall tile process.
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| CN112441790A (en) * | 2019-08-29 | 2021-03-05 | 立邦涂料（中国）有限公司 | Double-component back adhesive composition for stone and preparation method thereof |
| CN115636636A (en) * | 2022-08-15 | 2023-01-24 | 广东包清贴装饰工程有限公司 | Double-component tile glue and preparation process thereof |
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| US20030005861A1 (en) * | 2001-05-17 | 2003-01-09 | Wacker Polymer Systems Gmbh & Co. Kg | Dry mortar formulations modified with water-redispersible polymer powders |
| CN106673540A (en) * | 2016-06-06 | 2017-05-17 | 广东天骄建材有限公司 | Super-strength ceramic tile interface agent |
| CN111072336A (en) * | 2018-10-19 | 2020-04-28 | 河北晨阳工贸集团有限公司 | Water-based sound-insulation modified polymer cement-based waterproof slurry and preparation method thereof |
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