CN114456658B - Sealing rubber primer coating liquid and preparation method thereof - Google Patents
Sealing rubber primer coating liquid and preparation method thereof Download PDFInfo
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- CN114456658B CN114456658B CN202210158302.6A CN202210158302A CN114456658B CN 114456658 B CN114456658 B CN 114456658B CN 202210158302 A CN202210158302 A CN 202210158302A CN 114456658 B CN114456658 B CN 114456658B
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- 238000007789 sealing Methods 0.000 title claims abstract description 41
- 239000002987 primer (paints) Substances 0.000 title claims abstract description 39
- 239000007788 liquid Substances 0.000 title claims abstract description 36
- 229920001971 elastomer Polymers 0.000 title claims abstract description 33
- 238000002360 preparation method Methods 0.000 title abstract description 14
- 239000000839 emulsion Substances 0.000 claims abstract description 51
- RMAQACBXLXPBSY-UHFFFAOYSA-N silicic acid Chemical compound O[Si](O)(O)O RMAQACBXLXPBSY-UHFFFAOYSA-N 0.000 claims abstract description 39
- 239000000463 material Substances 0.000 claims abstract description 31
- 229920000642 polymer Polymers 0.000 claims abstract description 29
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 claims abstract description 27
- 229920003009 polyurethane dispersion Polymers 0.000 claims abstract description 21
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 19
- 239000011248 coating agent Substances 0.000 claims abstract description 14
- 238000000576 coating method Methods 0.000 claims abstract description 14
- 239000002738 chelating agent Substances 0.000 claims abstract description 12
- 238000002156 mixing Methods 0.000 claims abstract description 11
- 239000003381 stabilizer Substances 0.000 claims abstract description 11
- 239000006087 Silane Coupling Agent Substances 0.000 claims abstract description 9
- 239000002518 antifoaming agent Substances 0.000 claims abstract description 9
- 239000002994 raw material Substances 0.000 claims abstract description 9
- 239000003109 Disodium ethylene diamine tetraacetate Substances 0.000 claims abstract description 5
- ZGTMUACCHSMWAC-UHFFFAOYSA-L EDTA disodium salt (anhydrous) Chemical compound [Na+].[Na+].OC(=O)CN(CC([O-])=O)CCN(CC(O)=O)CC([O-])=O ZGTMUACCHSMWAC-UHFFFAOYSA-L 0.000 claims abstract description 5
- 235000019301 disodium ethylene diamine tetraacetate Nutrition 0.000 claims abstract description 5
- MQNVHUZWFZKETG-UHFFFAOYSA-N P1(OCCCCCO1)=O.NCCNCCN Chemical compound P1(OCCCCCO1)=O.NCCNCCN MQNVHUZWFZKETG-UHFFFAOYSA-N 0.000 claims abstract description 4
- USIPWJRLUGPSJM-UHFFFAOYSA-K trisodium 2-(2-aminoethylamino)ethanol triacetate Chemical compound [Na+].[Na+].[Na+].CC([O-])=O.CC([O-])=O.CC([O-])=O.NCCNCCO USIPWJRLUGPSJM-UHFFFAOYSA-K 0.000 claims abstract description 4
- BEGBSFPALGFMJI-UHFFFAOYSA-N ethene;sodium Chemical group [Na].C=C BEGBSFPALGFMJI-UHFFFAOYSA-N 0.000 claims abstract description 3
- UXYAJXBVMZFRMS-UHFFFAOYSA-N 2-hydroxy-1,3,2$l^{5}-dioxaphosphepane 2-oxide Chemical compound OP1(=O)OCCCCO1 UXYAJXBVMZFRMS-UHFFFAOYSA-N 0.000 claims abstract 2
- 239000007787 solid Substances 0.000 claims description 26
- 239000000565 sealant Substances 0.000 claims description 24
- VDZOOKBUILJEDG-UHFFFAOYSA-M tetrabutylammonium hydroxide Chemical group [OH-].CCCC[N+](CCCC)(CCCC)CCCC VDZOOKBUILJEDG-UHFFFAOYSA-M 0.000 claims description 16
- 238000003756 stirring Methods 0.000 claims description 14
- 238000000034 method Methods 0.000 claims description 9
- ARXJGSRGQADJSQ-UHFFFAOYSA-N 1-methoxypropan-2-ol Chemical compound COCC(C)O ARXJGSRGQADJSQ-UHFFFAOYSA-N 0.000 claims description 6
- 229920002635 polyurethane Polymers 0.000 claims description 6
- 239000004814 polyurethane Substances 0.000 claims description 6
- DQZNLOXENNXVAD-UHFFFAOYSA-N trimethoxy-[2-(7-oxabicyclo[4.1.0]heptan-4-yl)ethyl]silane Chemical compound C1C(CC[Si](OC)(OC)OC)CCC2OC21 DQZNLOXENNXVAD-UHFFFAOYSA-N 0.000 claims description 6
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 5
- IFPMZBBHBZQTOV-UHFFFAOYSA-N 1,3,5-trinitro-2-(2,4,6-trinitrophenyl)-4-[2,4,6-trinitro-3-(2,4,6-trinitrophenyl)phenyl]benzene Chemical compound [O-][N+](=O)C1=CC([N+](=O)[O-])=CC([N+]([O-])=O)=C1C1=C([N+]([O-])=O)C=C([N+]([O-])=O)C(C=2C(=C(C=3C(=CC(=CC=3[N+]([O-])=O)[N+]([O-])=O)[N+]([O-])=O)C(=CC=2[N+]([O-])=O)[N+]([O-])=O)[N+]([O-])=O)=C1[N+]([O-])=O IFPMZBBHBZQTOV-UHFFFAOYSA-N 0.000 claims description 4
- QCAHUFWKIQLBNB-UHFFFAOYSA-N 3-(3-methoxypropoxy)propan-1-ol Chemical compound COCCCOCCCO QCAHUFWKIQLBNB-UHFFFAOYSA-N 0.000 claims description 4
- 150000002148 esters Chemical class 0.000 claims description 4
- JXUKBNICSRJFAP-UHFFFAOYSA-N triethoxy-[3-(oxiran-2-ylmethoxy)propyl]silane Chemical compound CCO[Si](OCC)(OCC)CCCOCC1CO1 JXUKBNICSRJFAP-UHFFFAOYSA-N 0.000 claims description 4
- WYTZZXDRDKSJID-UHFFFAOYSA-N (3-aminopropyl)triethoxysilane Chemical compound CCO[Si](OCC)(OCC)CCCN WYTZZXDRDKSJID-UHFFFAOYSA-N 0.000 claims description 3
- 150000001412 amines Chemical class 0.000 claims description 3
- HQYALQRYBUJWDH-UHFFFAOYSA-N trimethoxy(propyl)silane Chemical compound CCC[Si](OC)(OC)OC HQYALQRYBUJWDH-UHFFFAOYSA-N 0.000 claims description 3
- 239000012298 atmosphere Substances 0.000 claims description 2
- 239000012752 auxiliary agent Substances 0.000 claims 1
- 150000001875 compounds Chemical class 0.000 claims 1
- -1 γ -triethoxysilylpropyl Chemical group 0.000 claims 1
- 239000004568 cement Substances 0.000 abstract description 36
- 239000004590 silicone sealant Substances 0.000 abstract description 19
- 238000005187 foaming Methods 0.000 abstract description 10
- 239000003292 glue Substances 0.000 abstract description 8
- 239000004575 stone Substances 0.000 abstract description 7
- 230000000052 comparative effect Effects 0.000 description 17
- 230000007935 neutral effect Effects 0.000 description 13
- 239000000243 solution Substances 0.000 description 13
- 230000000694 effects Effects 0.000 description 11
- 239000000126 substance Substances 0.000 description 11
- 238000012360 testing method Methods 0.000 description 11
- 239000008367 deionised water Substances 0.000 description 6
- 229910021641 deionized water Inorganic materials 0.000 description 6
- 239000006185 dispersion Substances 0.000 description 6
- 239000011259 mixed solution Substances 0.000 description 5
- 230000008569 process Effects 0.000 description 4
- SMZOUWXMTYCWNB-UHFFFAOYSA-N 2-(2-methoxy-5-methylphenyl)ethanamine Chemical compound COC1=CC=C(C)C=C1CCN SMZOUWXMTYCWNB-UHFFFAOYSA-N 0.000 description 3
- SJECZPVISLOESU-UHFFFAOYSA-N 3-trimethoxysilylpropan-1-amine Chemical compound CO[Si](OC)(OC)CCCN SJECZPVISLOESU-UHFFFAOYSA-N 0.000 description 3
- 239000000853 adhesive Substances 0.000 description 3
- 230000001070 adhesive effect Effects 0.000 description 3
- 239000004566 building material Substances 0.000 description 3
- 230000006872 improvement Effects 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 2
- 239000002969 artificial stone Substances 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 238000005034 decoration Methods 0.000 description 2
- 239000013530 defoamer Substances 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000000843 powder Substances 0.000 description 2
- 229910052710 silicon Inorganic materials 0.000 description 2
- 239000010703 silicon Substances 0.000 description 2
- 238000002791 soaking Methods 0.000 description 2
- 239000000758 substrate Substances 0.000 description 2
- PIICEJLVQHRZGT-UHFFFAOYSA-N Ethylenediamine Chemical compound NCCN PIICEJLVQHRZGT-UHFFFAOYSA-N 0.000 description 1
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 1
- BPQQTUXANYXVAA-UHFFFAOYSA-N Orthosilicate Chemical compound [O-][Si]([O-])([O-])[O-] BPQQTUXANYXVAA-UHFFFAOYSA-N 0.000 description 1
- 229910019142 PO4 Inorganic materials 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 150000001298 alcohols Chemical class 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000003197 catalytic effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000007596 consolidation process Methods 0.000 description 1
- 238000004132 cross linking Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 238000004945 emulsification Methods 0.000 description 1
- 239000006260 foam Substances 0.000 description 1
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 239000011344 liquid material Substances 0.000 description 1
- 229910052749 magnesium Inorganic materials 0.000 description 1
- 239000011777 magnesium Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000005543 nano-size silicon particle Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000011056 performance test Methods 0.000 description 1
- 239000012466 permeate Substances 0.000 description 1
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 description 1
- 239000010452 phosphate Substances 0.000 description 1
- 230000037452 priming Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 239000001488 sodium phosphate Substances 0.000 description 1
- 229910000162 sodium phosphate Inorganic materials 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 230000008961 swelling Effects 0.000 description 1
- 125000000383 tetramethylene group Chemical group [H]C([H])([*:1])C([H])([H])C([H])([H])C([H])([H])[*:2] 0.000 description 1
- QQQSFSZALRVCSZ-UHFFFAOYSA-N triethoxysilane Chemical compound CCO[SiH](OCC)OCC QQQSFSZALRVCSZ-UHFFFAOYSA-N 0.000 description 1
- RYFMWSXOAZQYPI-UHFFFAOYSA-K trisodium phosphate Chemical compound [Na+].[Na+].[Na+].[O-]P([O-])([O-])=O RYFMWSXOAZQYPI-UHFFFAOYSA-K 0.000 description 1
Images
Classifications
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D133/00—Coating compositions based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Coating compositions based on derivatives of such polymers
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D175/00—Coating compositions based on polyureas or polyurethanes; Coating compositions based on derivatives of such polymers
- C09D175/04—Polyurethanes
-
- 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
- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
- C09D5/002—Priming paints
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/60—Additives non-macromolecular
- C09D7/61—Additives non-macromolecular inorganic
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/60—Additives non-macromolecular
- C09D7/61—Additives non-macromolecular inorganic
- C09D7/62—Additives non-macromolecular inorganic modified by treatment with other compounds
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/60—Additives non-macromolecular
- C09D7/63—Additives non-macromolecular organic
-
- C—CHEMISTRY; METALLURGY
- 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
- C08K2201/00—Specific properties of additives
- C08K2201/011—Nanostructured additives
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- 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)
- Sealing Material Composition (AREA)
Abstract
The invention discloses a sealing rubber primer coating liquid and a preparation method thereof. The sealing rubber primer coating liquid is prepared from the following raw materials in parts by weight: 60-100 parts of polymer emulsion, 2-6 parts of chelating agent, 3-10 parts of silane coupling agent, 2-12 parts of film-forming assistant, 0.1-2 parts of defoaming agent, 1-5 parts of stabilizer, 20-50 parts of silica sol and 20-70 parts of water; the polymer emulsion is prepared by mixing an acrylic emulsion and a water-based polyurethane dispersion; the chelating agent is at least one of disodium ethylene diamine tetraacetate, hydroxyethyl ethylenediamine sodium triacetate, sodium ethylene diamine tetra methylene phosphate and diethylenetriamine penta methylene phosphonate. The sealing glue base coating liquid greatly improves the high-temperature compatibility and the bonding property of the dealcoholized silicone sealant and a cement-based material, and effectively solves the problem of high-temperature foaming when the dealcoholized silicone sealant is bonded with stone.
Description
Technical Field
The invention relates to the field of sealants, in particular to a sealant primer coating liquid for improving the compatibility of a silicone sealant and a cement-based material and a preparation method thereof.
Background
In recent years, with the improvement of the national standard of living, people prefer to adopt stone materials to build a solemn, elegant and high-end decoration atmosphere for the decoration of internal and external walls, but the development of natural stone materials is not only high in cost, but also seriously damages the natural ecological environment in the mining process, and the artificial imitation stone is favored by the market due to the advantages of low cost, simple raw material acquisition, good weather resistance and corrosion resistance and the like.
The stone plates are often sealed by using the organic silicon sealant, and the dealcoholized organic silicon sealant has the advantages of no corrosion, environmental friendliness and the like compared with a deoximated, deacetonized and deacetylated sealant and is often the first choice of people. However, in the actual manufacturing process of the artificial stone imitation, a large amount of cement materials are used as adhesives, and in summer or high-temperature weather, when the dealcoholized sealant is used for bonding the cement-based materials, the compatibility with the cement-based materials is poor, and the phenomena of swelling, foaming and debonding of the sealant are easy to occur.
With the increasing market share of artificial stone and the wide application of various cement building materials, the problem of the compatibility of the alcohol-type glue and the cement base material is increasing year by year, and the problem of the compatibility of the alcohol-type glue and the cement base material cannot be well solved because of the inherent characteristics of the alcohol-type glue, so that the development of the sealing glue base coating liquid which can ensure good bonding and improve the compatibility of the dealcoholized sealing glue and the cement base material has high application value.
Disclosure of Invention
Aiming at the problems, the invention provides the sealant base coating liquid which has good sealing and bonding effects on various cement-based or cement-made building materials under the high-temperature condition, and effectively solves the problem of compatibility of the dealcoholized sealant and the cement-based materials. The invention comprises the following technical scheme.
The sealing rubber primer coating liquid is prepared from the following raw materials in parts by weight:
the polymer emulsion is prepared by mixing an acrylic emulsion and a water-based polyurethane dispersion;
the chelating agent is at least one of disodium ethylene diamine tetraacetate, hydroxyethyl ethylenediamine sodium triacetate, sodium ethylene diamine tetramethylidene phosphate and diethylenetriamine pentamethylene phosphonate.
In some embodiments, the sealing rubber primer coating liquid is prepared from the following raw materials in parts by weight:
in some of these embodiments, the silica sol is a neutral silica sol and/or a surface modified silica sol.
In some of these embodiments, the silica sol has a solids content of 15 to 50% and a pH of 7 to 9.
In some of these embodiments, the silica sol has a solids content of 25-45% and a pH of 7-9.
In some of these embodiments, the acrylic emulsion has a solids content of 40% to 55%.
In some of these embodiments, the acrylic emulsion has a solids content of 45% to 50%.
In some of these embodiments, the aqueous polyurethane dispersion has a solids content of 30% to 45%.
In some of these embodiments, the aqueous polyurethane dispersion has a solids content of 38% to 42%.
In some of these embodiments, the weight ratio of the acrylic emulsion to the aqueous polyurethane dispersion is 1.
In some of these embodiments, the weight ratio of the acrylic emulsion to the aqueous polyurethane dispersion is 1.
In some of these embodiments, the weight ratio of the acrylic emulsion to the aqueous polyurethane dispersion is from 1.
In some embodiments, the acrylic emulsion is BATF-996AD and/or
4507。
In some of these embodiments, the aqueous polyurethane dispersion is Uapoly 5500 and/or Alberdingk U6100 of consolidation chemistry.
In some of these examples, the silica sol is HN3010 and/or M12-40 of the Baite New Material.
In some of these embodiments, the silane coupling agent is at least one of N-beta- (aminoethyl) -gamma-aminopropyltrimethoxysilane, bis- (gamma-triethoxysilylpropyl) amine, gamma-aminopropyltriethoxysilane, gamma- (2,3-glycidoxy) propyltrimethoxysilane, beta- (3,4-epoxycyclohexyl) ethyltrimethoxysilane, gamma-glycidoxypropyltriethoxysilane.
In some of these embodiments, the coalescent is selected from at least one of the alcohol esters twelve, dipropylene glycol monomethyl ether, and propylene glycol methyl ether.
In some of these embodiments, the defoamer is selected from at least one of BYK-024, teGo-810, and NXZ-202.
In some of these embodiments, the stabilizer is tetrabutylammonium hydroxide.
In some embodiments, the sealing rubber primer coating liquid is prepared from the following raw materials in parts by weight:
the polymer emulsion is prepared from the following components in a mass ratio of 1:0.5-0.7 of acrylic emulsion and aqueous polyurethane dispersoid;
the silane coupling agent is prepared from the following components in a mass ratio of 1:0.8-1.2 of N-beta- (aminoethyl) -gamma-aminopropyl trimethoxy silane and gamma-glycidoxypropyl triethoxy silane.
The invention also provides a preparation method of the sealing rubber primer coating liquid, which comprises the following technical scheme.
The preparation method of the sealing rubber base coating liquid comprises the following steps:
(1) Mixing the acrylic emulsion and the aqueous polyurethane dispersion to prepare a polymer emulsion;
(2) Adding the chelating agent, the silane coupling agent, the film forming aid, the defoaming agent, the stabilizer and water into the polymer emulsion in sequence, stirring and mixing uniformly;
(3) And adding the silica sol, stirring and uniformly mixing to obtain the sealing rubber base coating liquid.
In some embodiments, the stirring speed is 600r/min-800r/min.
The inventors of the present invention found that: the main reasons for the phenomena that the dealcoholized silicone sealant has poor compatibility with cement-based materials under high temperature conditions and the sealant is easy to bulge, foam and debond are that the dealcoholized silicone sealant is easy to chemically react with the cement-based materials, alkaline substances released after various silicate reactions in the curing process of cement can gradually migrate to the surface under the high temperature conditions, the activity of the dealcoholized silicone sealant is increased after the dealcoholized silicone sealant contacts with the alkaline substances in summer or under the high temperature conditions, and the released small molecular alcohol substances can not be emptied in time, so that the sealant can be foamed and debonded. On the basis, the inventor further researches and obtains the sealing rubber primer coating liquid, and the high-temperature compatibility and the bonding property of the dealcoholized silicone sealant and a cement-based material can be greatly improved.
The sealant base coat liquid is prepared by mixing water-based acrylic acid and polyurethane serving as main film forming substances, a silane coupling agent, a specific chelating agent, silica sol and other auxiliaries. The waterborne acrylic acid and the polyurethane are low-emulsification polymers, and have good compatibility with the sealant after film formation; the silane coupling agent provides good crosslinking and substrate adhesion for the film-forming polymer; the chelating agent is used for chelating metal elements such as iron, magnesium and the like on the surface of a base material while adsorbing the polymer during demulsification of the polymer, so that the metal catalytic activity is reduced; the silica sol can quickly permeate and react with alkaline substances under the action of capillary force of the porous stone due to the extremely small particle size; meanwhile, the nano silicon particles staying on the surface of the polymer contain rich hydroxyl groups, and can react with the sealant to enhance the bonding performance. The components interact and cooperate with each other, so that the obtained sealing glue base coating liquid has good sealing and bonding effects on various cement-based or cement-made building materials under the high-temperature condition, the problem of compatibility of the dealcoholized silicone sealant and the cement-based materials is effectively solved, the high-temperature compatibility and the bonding performance of the dealcoholized silicone sealant and the cement-based materials are greatly improved, and the problem of high-temperature foaming when the dealcoholized silicone sealant is bonded with stone materials is effectively solved. In addition, the sealing rubber primer coating liquid is an aqueous system, has no solvent volatilization, and has the characteristic of environmental friendliness.
Drawings
FIG. 1 is a graph showing the results of a compatibility test of a primer coating liquid for sealing rubber prepared in each example and comparative example with a cement precast slab cured for 14 days.
Detailed Description
The technical solution of the present invention is further illustrated by the following specific examples. It should be understood by those skilled in the art that the examples are only for the understanding of the present invention and should not be construed as the specific limitations of the present invention.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention.
The terms "comprises" and "comprising," as well as any variations thereof, are intended to cover non-exclusive inclusions. For example, a process, method, apparatus, article, or apparatus that comprises a list of steps is not limited to only those steps or modules recited, but may alternatively include other steps not recited, or may alternatively include other steps inherent to such process, method, article, or apparatus.
The "plurality" referred to in the present invention means two or more. "and/or" describes the association relationship of the associated objects, meaning that there may be three relationships, e.g., a and/or B, which may mean: a exists alone, A and B exist simultaneously, and B exists alone. The character "/" generally indicates that the former and latter associated objects are in an "or" relationship.
The following are specific examples.
Example 1:
the preparation method of the sealing rubber primer coating solution provided by the embodiment comprises the following steps:
s1: 30 parts of BATF-996AD acrylic emulsion (the solid content of the emulsion is 48%) and 50 parts of solid-linking chemical Uapoly 5500 aqueous polyurethane dispersion (the solid content of the dispersion is 40%) are mixed to prepare polymer emulsion.
S2: 3 parts of disodium ethylene diamine tetraacetate, 2 parts of gamma-aminopropyltrimethoxysilane, 1 part of beta- (3,4-epoxycyclohexyl) ethyltrimethoxysilane, 5 parts of alcohol ester dodeca, 0.1 part of BYK-024 antifoaming agent, 1 part of tetrabutylammonium hydroxide stabilizer and 65 parts of deionized water are sequentially added into the polymer emulsion, stirred for 5min at the speed of 700r/min and mixed uniformly.
S3: and (3) taking 20 parts of neutral silica sol (HN 3010 of the Baite new material, the solid content of the neutral silica sol is 30 percent, and the pH value of the neutral silica sol is 7), slowly adding the neutral silica sol into the mixed solution obtained in the step (S2) for 5min, and continuously stirring at 700r/min for 15min after the addition is finished to obtain the sealing rubber bottom coating liquid.
Example 2:
the preparation method of the sealing rubber primer coating solution provided by the embodiment comprises the following steps:
s1: 50 parts of BATF-996AD acrylic emulsion (the solid content of the emulsion is 48%) and 30 parts of solid-linking chemical Uapoly 5500 aqueous polyurethane dispersion (the solid content of the dispersion is 40%) are mixed to prepare polymer emulsion.
S2: 3 parts of hydroxyethyl ethylenediamine sodium triacetate, 2 parts of bis- (gamma-triethoxysilylpropyl) amine, 1 part of gamma- (2,3-glycidoxy) propyl trimethoxy silane, 5 parts of dipropylene glycol monomethyl ether, 0.5 part of NXZ-202 antifoaming agent, 1 part of tetrabutylammonium hydroxide stabilizer and 65 parts of deionized water are sequentially added into the polymer emulsion, stirred for 5min at the speed of 700r/min and uniformly mixed.
S3: and (3) taking 20 parts of neutral silica sol (HN 3010 of the Baite new material, the solid content of the neutral silica sol is 30 percent, and the pH value of the neutral silica sol is 7), slowly adding the neutral silica sol into the mixed solution obtained in the step (S2) for 5min, and continuously stirring at 700r/min for 15min after the addition is finished to obtain the sealing rubber bottom coating liquid.
Example 3
The preparation method of the sealing rubber primer coating solution provided by the embodiment comprises the following steps:
s1: taking 50 parts
4507 acrylic emulsion (solid content 45%) and 30 parts of a solid-linking chemical Uapoly 5500 aqueous polyurethane (solid content 40%) dispersion were mixed to make a polymer emulsion.
S2: 5 parts of ethylene diamine tetramethylene sodium phosphate, 6 parts of gamma-aminopropyltriethoxysilane, 4 parts of beta- (3,4-epoxycyclohexyl) ethyltrimethoxysilane, 7 parts of dipropylene glycol monomethyl ether, 1 part of NXZ-202 antifoaming agent, 2 parts of tetrabutylammonium hydroxide stabilizer and 30 parts of deionized water are sequentially added into the polymer emulsion, stirred at the speed of 700r/min for 5min and uniformly mixed.
S3: and (3) taking 40 parts of surface modified silica sol (M12-40 of a new Baite material, the solid content of the silica sol is 40%, and the pH value of the silica sol is 8-9), slowly adding the silica sol into the mixed solution obtained in the step (S2) for 5min, and continuing stirring at 700r/min for 15min after the addition is finished to obtain the sealing rubber bottom coating liquid.
Example 4
The preparation method of the sealing rubber base coating solution provided by the embodiment comprises the following steps:
s1: 50 parts of BATF-996AD acrylic emulsion (the solid content of the emulsion is 48%) and 30 parts of Alberdingk U6100 aqueous polyurethane dispersion (the solid content of the dispersion is 40%) of solid-linking chemistry are mixed to prepare polymer emulsion.
S2: 5 parts of diethylenetriamine pentamethylene phosphonate, 3 parts of N-beta- (aminoethyl) -gamma-aminopropyl trimethoxy silane, 3 parts of gamma-glycidyl ether oxypropyl triethoxysilane, 10 parts of propylene glycol methyl ether, 1 part of NXZ-202 defoamer, 2 parts of tetrabutyl ammonium hydroxide stabilizer and 30 parts of deionized water are sequentially added into the polymer emulsion, stirred at the speed of 700r/min for 5min and mixed uniformly.
S3: and (3) taking 40 parts of surface modified silica sol (M12-40 of a Baite new material, the solid content of the silica sol is 40%, and the pH value of the silica sol is 8-9), slowly adding the silica sol into the mixed solution obtained in the step (S2) for 5min, and continuing stirring at 700r/min for 15min after the addition is finished to obtain the sealing rubber base coating solution.
Comparative example 1
The difference between the primer coating liquid for sealing rubber provided by the comparative example and the primer coating liquid for sealing rubber provided by the example 1 is as follows: the other components and preparation method were the same as in example 1 without adding silica sol. The preparation method comprises the following steps:
s1: 30 parts of BATF-996AD acrylic emulsion (the solid content of the emulsion is 48%) and 50 parts of solid-linking chemical Uapoly 5500 aqueous polyurethane dispersion (the solid content of the dispersion is 40%) are mixed to prepare polymer emulsion.
S2: 3 parts of disodium ethylene diamine tetraacetate, 2 parts of gamma-aminopropyltrimethoxysilane, 1 part of beta- (3,4-epoxycyclohexyl) ethyltrimethoxysilane, 5 parts of alcohol ester dodeca, 0.1 part of BYK-024 defoaming agent, 1 part of tetrabutylammonium hydroxide stabilizer and 65 parts of deionized water are sequentially added into the polymer emulsion, stirred for 20min at the speed of 700r/min and uniformly mixed to obtain the sealant primer solution.
Comparative example 2
The difference between the primer coating liquid for sealing rubber provided by the comparative example and the primer coating liquid for sealing rubber provided by the example 1 is as follows: the other components and preparation method were the same as in example 1 without adding a chelating agent. The preparation method comprises the following steps:
s1: 30 parts of BATF-996AD acrylic emulsion (the solid content of the emulsion is 48%) and 50 parts of solid-linking chemical Uapoly 5500 aqueous polyurethane dispersion (the solid content of the dispersion is 40%) are mixed to prepare polymer emulsion.
S2: adding 2 parts of gamma-aminopropyltrimethoxysilane, 1 part of beta- (3,4-epoxy cyclohexyl) ethyltrimethoxysilane, 5 parts of alcohol ester dodeca, 0.1 part of BYK-024 antifoaming agent, 1 part of tetrabutyl ammonium hydroxide stabilizing agent and 65 parts of deionized water into the polymer emulsion in sequence, stirring for 5min at the speed of 700r/min, and mixing uniformly to obtain the sealant primer.
S3: and (3) taking 20 parts of neutral silica sol (HN 3010 of the Baite new material, the solid content of the neutral silica sol is 30 percent, and the pH value of the neutral silica sol is 7), slowly adding the neutral silica sol into the mixed solution obtained in the step (S2) for 5min, and continuously stirring at 700r/min for 15min after the addition is finished to obtain the sealing rubber bottom coating liquid.
EXAMPLES AND COMPARATIVE EXAMPLES Using amount (parts by weight) of raw Material Components
The following performance tests were performed on the sealer priming solutions prepared in examples 1 to 4 and comparative examples 1 to 2.
Preparing a sample by using the cement precast slab for testing foaming bonding performance:
the cement used is conch brand P.C 42.5, the precast slab is prepared by the cement conforming to GB 175-2007, the liquid material is poured into a clean stirring container, then the powder is slowly added while stirring according to the proportion of powder 2 and water 1, the mixture is fully stirred for 3-5 minutes to form powder-free mass, then the powder-free mass is poured into a PVC mould, and the mould is once poured and formed and then placed at room temperature for curing to prepare the cement precast slab.
The foaming bonding performance is tested by referring to GB/T13477.8 determination of tensile bonding, and the method comprises the following steps:
the cement precast slabs which were respectively cured for 2 days, 7 days and 14 days were placed in an oven at 60 ℃ and heated for 30min, then taken out, the surfaces of the cement precast slabs were coated with the primer coating solutions of the sealing gums prepared in the above examples and comparative examples, and after drying for 5min, a dealcoholized silicone sealant (selected from SS602, manufactured by the Guangzhou Douchun chemical industry) was applied, and the cement precast slabs on which the dealcoholized silicone sealant was directly applied without the primer coating solution were used as a comparative example. After the glue is applied, the sealant is continuously placed in a 60 ℃ oven, and the foaming condition of the sealant is observed after 1h, and the test results are shown in table 1. And finally, transferring to standard conditions (the temperature is 23 +/-2 ℃, the humidity is 50 +/-5%) and maintaining for 28 days, selecting a part of cement precast slabs to carry out a normal-temperature peeling test (the test is carried out according to GB/T13477.8 < determination of tensile adhesion >), and carrying out a peeling test (the test is carried out according to GB/T13477.8 < determination of tensile adhesion >) after the other part of cement precast slabs are soaked in water for 4 days and 7 days respectively, wherein the test results are shown in a table 2.
TABLE 1 compatibility test of dealcoholized sealant and Cement precast slab
Note: the foaming degree is as follows from small to big: no blistering < slight blistering < dense blistering.
TABLE 2 Dealcohol sealant and Cement precast slab adhesion test
| Normal temperature for 28 days | Soaking in water for 4 days | Soaking in water for 7 days | |
| Example 1 | 100％CF | 70％CF | 60％CF |
| Example 2 | 100％CF | 100％CF | 100％CF |
| Example 3 | 100％CF | 100％CF | 80％CF |
| Example 4 | 100％CF | 100％CF | 100％CF |
| Comparative example 1 | 100％CF | 55％AF | 70％％AF |
| Comparative example 2 | 100％CF | 25％AF | 40％AF |
| Comparative example | 90％AF | 100％AF | 100％AF |
Note: CF means cohesive failure, and a larger value means better adhesion; AF indicates interfacial failure, and a smaller value indicates better adhesion.
As can be seen from tables 1 and 2, the control example without the primer was poor in both the degree of foaming and the peel test results. In the aspect of compatibility, the sealing rubber primer coating liquid prepared in the examples 1 to 4 has obviously better improvement effect on the compatibility of the dealcoholized silicone sealant and the cement base material than the comparative examples 1 to 2, wherein compared with the examples 3 to 4 and the examples 1 to 2, the sealing rubber primer coating liquid has higher silica sol dosage, the dealcoholized silicone sealant has better compatibility with the cement base material, and no foaming phenomenon exists. Comparative example 1, in which no silica sol was added, showed a significant decrease in compatibility and foaming, and comparative example 2, in which no chelating agent was added, showed a decrease in compatibility. It is stated that the silica sol and the chelating agent in the primer solution are both important to improve the compatibility of the dealcoholized silicone sealant with the cement substrate.
In terms of adhesion, all primer solutions have a certain improvement effect on the adhesion performance, because acrylic acid and polyurethane polymer provide good adhesion when coated on the surface of a base material. After being soaked in water, the comparative example is completely non-adhesive, and the comparative examples 1-2 are large-area non-adhesive, which shows that the chelating agent and the silica sol in the primer solution not only have promotion effect on the compatibility of the dealcoholized silicone sealant and the cement base material, but also have certain enhancement effect on the bonding performance of the dealcoholized silicone sealant and the cement base material. The examples 2 and 4 still have good bonding effect after being soaked in water, and the examples 1 and 3 are reduced to a certain extent, which shows that the proportion and the type of the raw material components such as the polymer and the like also influence the enhancement effect of the primer coating liquid on the bonding effect.
The sealing rubber primer coating liquid provided by the invention has good effects on improving the compatibility and the bonding performance of the dealcoholized silicone sealant and the cement-based material.
The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent should be subject to the appended claims.
Claims (9)
1. The sealing rubber base coating liquid is characterized by being prepared from the following raw materials in parts by weight:
the polymer emulsion is prepared by mixing an acrylic emulsion and a water-based polyurethane dispersion; the weight ratio of the acrylic emulsion to the aqueous polyurethane dispersion is 1;
the chelating agent is at least one of disodium ethylene diamine tetraacetate, hydroxyethyl ethylenediamine sodium triacetate, sodium ethylene diamine tetra methylene phosphate and diethylenetriamine penta methylene phosphonate;
the acrylic emulsion is BATF-996AD and/or
4507；
The aqueous polyurethane dispersion is unapoly 5500 and/or Alberdingk U6100 in solid-linking chemistry.
2. The primer coating for sealant according to claim 1, wherein the acrylic emulsion has a solid content of 40% to 55%; and/or the presence of a gas in the gas,
the solid content of the aqueous polyurethane dispersion is 30-45%; and/or the presence of a gas in the gas,
the solid content of the silica sol is 15-50%, and the pH value of the silica sol is 7-9.
3. The primer coating solution for sealant according to claim 1, wherein the weight ratio of the acrylic emulsion to the aqueous polyurethane dispersion is 1.
4. The primer coating solution for sealant according to claim 3, wherein the weight ratio of the acrylic emulsion to the aqueous polyurethane dispersion is 1.
5. The primer according to claim 1, wherein the silica sol is HN3010 and/or M12-40 of Baite New material.
6. The primer for sealing compound according to any one of claims 1 to 5, wherein the silane coupling agent is at least one of N- β - (aminoethyl) - γ -aminopropyltrimethoxysilane, bis- (γ -triethoxysilylpropyl) amine, γ -aminopropyltriethoxysilane, γ - (2,3-glycidoxy) propyltrimethoxysilane, β - (3,4-epoxycyclohexyl) ethyltrimethoxysilane, γ -glycidoxypropyltriethoxysilane; and/or the presence of a gas in the gas,
the film forming auxiliary agent is selected from at least one of alcohol ester dodeca, dipropylene glycol monomethyl ether and propylene glycol methyl ether; and/or the presence of a gas in the atmosphere,
the defoaming agent is at least one selected from BYK-024, teGo-810 and NXZ-202; and/or the presence of a gas in the gas,
the stabilizer is tetrabutylammonium hydroxide.
7. The primer coating liquid for sealing rubber according to any one of claims 1 to 5, which is prepared from the following raw materials in parts by weight:
the polymer emulsion is prepared from the following components in a mass ratio of 1:0.5-0.7 of acrylic emulsion and aqueous polyurethane dispersoid;
the silane coupling agent is prepared from the following components in a mass ratio of 1:0.8-1.2 of N-beta- (aminoethyl) -gamma-aminopropyl trimethoxy silane and gamma-glycidoxypropyl triethoxy silane.
8. A method for preparing the primer coating liquid for sealing rubber according to any one of claims 1 to 7, which comprises the following steps:
(1) Mixing the acrylic emulsion and the aqueous polyurethane dispersion to prepare a polymer emulsion;
(2) Adding the chelating agent, the silane coupling agent, the film forming aid, the defoaming agent, the stabilizer and water into the polymer emulsion in sequence, stirring and mixing uniformly;
(3) And adding the silica sol, stirring and uniformly mixing to obtain the sealing rubber base coating liquid.
9. The method for preparing the primer coating liquid for sealant according to claim 8, wherein the rotation speed of the stirring is 600r/min to 800r/min.
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| CN108531027A (en) * | 2018-05-11 | 2018-09-14 | 广州市白云化工实业有限公司 | Fluid sealant primary coat liquid and the preparation method and application thereof |
| CN111253907A (en) * | 2020-04-08 | 2020-06-09 | 山东飞度胶业科技股份有限公司 | Environment-friendly alcohol-type adhesive for silicone and modified silicone sealant and preparation method thereof |
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| CN108531027A (en) * | 2018-05-11 | 2018-09-14 | 广州市白云化工实业有限公司 | Fluid sealant primary coat liquid and the preparation method and application thereof |
| CN111253907A (en) * | 2020-04-08 | 2020-06-09 | 山东飞度胶业科技股份有限公司 | Environment-friendly alcohol-type adhesive for silicone and modified silicone sealant and preparation method thereof |
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