CN115521739B - Water-based water-resistant white epoxy colored sand tile joint mixture and preparation method thereof - Google Patents
Water-based water-resistant white epoxy colored sand tile joint mixture and preparation method thereof Download PDFInfo
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- CN115521739B CN115521739B CN202210891499.4A CN202210891499A CN115521739B CN 115521739 B CN115521739 B CN 115521739B CN 202210891499 A CN202210891499 A CN 202210891499A CN 115521739 B CN115521739 B CN 115521739B
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 78
- 239000000203 mixture Substances 0.000 title claims abstract description 46
- 239000004576 sand Substances 0.000 title claims abstract description 35
- 239000004593 Epoxy Substances 0.000 title claims abstract description 30
- 238000002360 preparation method Methods 0.000 title abstract description 7
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 63
- 229920005989 resin Polymers 0.000 claims abstract description 62
- 239000011347 resin Substances 0.000 claims abstract description 62
- 239000013008 thixotropic agent Substances 0.000 claims abstract description 46
- 230000009974 thixotropic effect Effects 0.000 claims abstract description 37
- 239000000945 filler Substances 0.000 claims abstract description 26
- 239000004721 Polyphenylene oxide Substances 0.000 claims abstract description 24
- 229920000570 polyether Polymers 0.000 claims abstract description 24
- 239000012752 auxiliary agent Substances 0.000 claims abstract description 13
- 239000000049 pigment Substances 0.000 claims abstract description 11
- 239000002994 raw material Substances 0.000 claims abstract description 10
- 239000002516 radical scavenger Substances 0.000 claims abstract description 9
- BLRPTPMANUNPDV-UHFFFAOYSA-N Silane Chemical group [SiH4] BLRPTPMANUNPDV-UHFFFAOYSA-N 0.000 claims abstract description 5
- 229910000077 silane Inorganic materials 0.000 claims abstract description 5
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 33
- 238000002156 mixing Methods 0.000 claims description 28
- 239000011324 bead Substances 0.000 claims description 22
- 239000011521 glass Substances 0.000 claims description 20
- 239000011499 joint compound Substances 0.000 claims description 14
- 238000000034 method Methods 0.000 claims description 9
- 239000000843 powder Substances 0.000 claims description 9
- 150000001412 amines Chemical class 0.000 claims description 8
- 125000002887 hydroxy group Chemical group [H]O* 0.000 claims description 7
- 238000009489 vacuum treatment Methods 0.000 claims description 7
- -1 alicyclic amine Chemical class 0.000 claims description 5
- 238000006116 polymerization reaction Methods 0.000 claims description 3
- 150000001408 amides Chemical class 0.000 claims description 2
- 229910021485 fumed silica Inorganic materials 0.000 claims description 2
- 239000011049 pearl Substances 0.000 claims description 2
- 238000012545 processing Methods 0.000 claims description 2
- 239000001038 titanium pigment Substances 0.000 claims description 2
- 238000005260 corrosion Methods 0.000 abstract description 6
- 239000000463 material Substances 0.000 abstract description 6
- 238000005034 decoration Methods 0.000 abstract description 5
- 230000007797 corrosion Effects 0.000 abstract description 4
- 238000011049 filling Methods 0.000 abstract description 4
- 239000007787 solid Substances 0.000 abstract description 4
- 238000010276 construction Methods 0.000 abstract description 2
- 238000001723 curing Methods 0.000 description 49
- 239000000654 additive Substances 0.000 description 19
- 230000000996 additive effect Effects 0.000 description 19
- 230000000052 comparative effect Effects 0.000 description 18
- 238000003756 stirring Methods 0.000 description 12
- 238000012360 testing method Methods 0.000 description 9
- 239000003822 epoxy resin Substances 0.000 description 8
- 229920000647 polyepoxide Polymers 0.000 description 8
- 239000012855 volatile organic compound Substances 0.000 description 6
- 239000004568 cement Substances 0.000 description 5
- 238000006243 chemical reaction Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 3
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 3
- NKSJNEHGWDZZQF-UHFFFAOYSA-N ethenyl(trimethoxy)silane Chemical compound CO[Si](OC)(OC)C=C NKSJNEHGWDZZQF-UHFFFAOYSA-N 0.000 description 3
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 2
- AFCARXCZXQIEQB-UHFFFAOYSA-N N-[3-oxo-3-(2,4,6,7-tetrahydrotriazolo[4,5-c]pyridin-5-yl)propyl]-2-[[3-(trifluoromethoxy)phenyl]methylamino]pyrimidine-5-carboxamide Chemical compound O=C(CCNC(=O)C=1C=NC(=NC=1)NCC1=CC(=CC=C1)OC(F)(F)F)N1CC2=C(CC1)NN=N2 AFCARXCZXQIEQB-UHFFFAOYSA-N 0.000 description 2
- FWDBOZPQNFPOLF-UHFFFAOYSA-N ethenyl(triethoxy)silane Chemical compound CCO[Si](OCC)(OCC)C=C FWDBOZPQNFPOLF-UHFFFAOYSA-N 0.000 description 2
- 239000011325 microbead Substances 0.000 description 2
- 230000036632 reaction speed Effects 0.000 description 2
- 229910052710 silicon Inorganic materials 0.000 description 2
- 239000010703 silicon Substances 0.000 description 2
- 235000010215 titanium dioxide Nutrition 0.000 description 2
- 230000000007 visual effect Effects 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 125000003277 amino group Chemical group 0.000 description 1
- 230000003796 beauty Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
- 238000004132 cross linking Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 230000036571 hydration Effects 0.000 description 1
- 238000006703 hydration reaction Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 125000000956 methoxy group Chemical group [H]C([H])([H])O* 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000013008 moisture curing Methods 0.000 description 1
- 239000004570 mortar (masonry) Substances 0.000 description 1
- 231100000252 nontoxic Toxicity 0.000 description 1
- 230000003000 nontoxic effect Effects 0.000 description 1
- 230000009965 odorless effect Effects 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 239000004014 plasticizer Substances 0.000 description 1
- 229910052573 porcelain Inorganic materials 0.000 description 1
- XOFYZVNMUHMLCC-ZPOLXVRWSA-N prednisone Chemical compound O=C1C=C[C@]2(C)[C@H]3C(=O)C[C@](C)([C@@](CC4)(O)C(=O)CO)[C@@H]4[C@@H]3CCC2=C1 XOFYZVNMUHMLCC-ZPOLXVRWSA-N 0.000 description 1
- 238000005201 scrubbing Methods 0.000 description 1
- 239000004408 titanium dioxide Substances 0.000 description 1
- 239000012745 toughening agent Substances 0.000 description 1
- 229920006313 waterborne resin Polymers 0.000 description 1
- 239000013035 waterborne resin Substances 0.000 description 1
- 230000002087 whitening effect Effects 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
- C09J163/00—Adhesives based on epoxy resins; Adhesives based on derivatives of epoxy resins
-
- 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
- C09J11/08—Macromolecular additives
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- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
The invention belongs to the field of household decoration, relates to a tile joint filling material, and in particular relates to a water-based water-resistant white epoxy colored sand tile joint filling agent and a preparation method thereof. The water-based water-white-resistant epoxy colored sand tile joint mixture comprises a component A and a component B; the raw materials of the component A comprise the following components in parts by weight: 30-85 parts of aqueous resin, 15-65 parts of first filler, 1-5 parts of first thixotropic agent and 0-1 part of first thixotropic auxiliary agent; the raw materials of the component B comprise the following components in parts by weight: 30-85 parts of water-based curing agent, 1-5 parts of second thixotropic agent, 0-1 part of second thixotropic auxiliary agent, 10-65 parts of second filler, 0-5 parts of pigment and 1-5 parts of water-removing agent; the water scavenger is silane end capped polyether resin. The water-based water-white-resistant epoxy colored sand tile joint mixture has the advantages of water-white resistance, high solid content, low VOC, high curing speed, strong adhesion, easy construction, frosted texture, stain resistance, corrosion resistance, water resistance, high hardness and wear resistance.
Description
Technical Field
The invention belongs to the field of household decoration, relates to a tile joint filling material, and in particular relates to a water-based water-resistant white epoxy colored sand tile joint filling agent and a preparation method thereof.
Background
In the process of home decoration, the gaps of ceramic tiles need to be filled, early-stage filling materials are mostly mortar or white cement, in order to make up the defect of the white cement, a bi-component epoxy resin filling agent, commonly called true porcelain cement, porcelain-beautifying agent and the like, is developed in recent years, and the components of the material mainly comprise epoxy resin, pigment and curing agent. Epoxy resin is also often used as an anti-corrosion material, and has good anti-corrosion and mildew-proof effects especially in a hot and humid environment. Meanwhile, the epoxy resin and the curing agent react and are high in hardness and scrubbing resistant, and the occurrence of the powder removal phenomenon caused by insufficient hydration of cement using the cement-based joint filling agent can be greatly reduced.
Because the raw material of the epoxy joint compound is epoxy resin, the epoxy resin has gloss, and if a paillette is added, the epoxy joint compound has stronger flash, so the epoxy joint compound is mainly gloss. However, in a small space of a house, the observation distance is too short, the paillette can be extremely conspicuous, and the visual burden is shaped, so that the epoxy colored sand with the matte effect starts to enter the visual field of people. The main raw material of the epoxy colored sand is also epoxy resin, but the filler such as vitrified micro bubbles and the like is required to be added into the formula. The epoxy color sand is waterproof and mildew-proof, has extremely high hardness, and is firm and not shed; the higher the quality of the epoxy colored sand, the more the optional colors, the finer the particles, the softer the gloss, even approaching to matte, and having a low-tone and luxurious texture.
Along with the acceptance and acceptance of users on the environment-friendly concept, the environment-friendly performance of the indoor decoration nontoxic odorless formaldehyde-free decorative agent is also urgently required to be improved, the aim of lower odor and less volatilization of organic matters is a development trend in the future, and the water-based decorative agent is also inoculated. Because the aqueous modified resin and the curing agent are adopted, the smell of the aqueous joint beautifying agent is far lower than that of the oily joint beautifying agent, and the VOC value is far lower than that of the oily joint beautifying agent, so the aqueous joint beautifying agent is a more environment-friendly joint beautifying agent. However, in the application process of the water-based joint beautifying agent, the water-based curing agent and water vapor are combined to generate a water-white phenomenon, so that the beauty and the service performance of the joint beautifying agent are affected.
Disclosure of Invention
The invention aims to solve the problem that the water-based curing agent and water vapor are combined to generate a water-white phenomenon in the application process of the water-based joint compound, and provides a water-based water-resistant white epoxy colored sand tile joint compound which has low smell and low VOC value and can meet JC/T1004-2017 and a preparation method thereof.
To achieve the above object, a first aspect of the present invention provides an aqueous water-resistant white epoxy colored sand tile joint compound, comprising a component a and a component B;
the raw materials of the component A comprise the following components in parts by weight:
30-85 parts of aqueous resin, 15-70 parts of first filler, 1-5 parts of first thixotropic agent and 0-1 part of first thixotropic auxiliary agent;
the raw materials of the component B comprise the following components in parts by weight:
30-85 parts of water-based curing agent, 1-5 parts of second thixotropic agent, 0-1 part of second thixotropic auxiliary agent, 10-70 parts of second filler, 0-5 parts of pigment and 1-5 parts of water-removing agent;
the water scavenger is silane end capped polyether resin.
In the invention, the added silane end capped polyether resin (MS resin) can be used as a toughening agent and a water scavenger. In the curing process, the trimethoxy on the silane-terminated polyether resin reacts with moisture in preference to the water-based curing agent to generate a silicon hydroxyl structure, and the silicon hydroxyl structure continuously reacts with the methoxy on the silane-terminated polyether resin to generate ether, so that methanol is released as a plasticizer; the epoxy system is solidified to generate a reticular structure and the comb-shaped or reticular structure formed by solidifying the silane-terminated polyether resin are mutually wound, so that the reaction speed is accelerated, the overall flexibility of the joint filling agent is improved, the problem of toughness reduction caused by a large amount of fillers is solved, the water-white phenomenon caused by mixing water vapor with the water-based curing agent is limited, and the water-white resistance of the joint filling agent is improved. The principle of resin curing can be seen in fig. 1.
Preferably, the silane-terminated polyether resin is a difunctional trimethoxy-terminated linear polyether and/or a trifunctional trimethoxy-terminated branched polyether.
Preferably, the polymerization degree of the silane-terminated polyether resin is 900-1200.
As a preferable scheme, the weight ratio of the aqueous resin to the aqueous curing agent is 10:5-11.
As a preferable scheme, the weight ratio of the component A to the component B is 1: (1-1.5).
Preferably, the aqueous resin is hydroxyl-containing polyether amine grafted and modified E-51 resin, and the grafted hydroxyl provides hydrophilic performance. The aqueous resin is further preferably at least one selected from the group consisting of XR-552, XR-436, YNWER-1003 and YNWER-1004
Preferably, the aqueous curing agent is at least one of alicyclic amine, amido amine and polyether amine grafted and modified by hydroxyl polyether amine. The aqueous curing agent is further preferably at least one selected from the group consisting of XR-524, XR-437, HD750, and AL 755.
Preferably, each of the first thixotropic agent and the second thixotropic agent is fumed silica. The first thixotropic agent and the second thixotropic agent are each further preferably selected from at least one of N20ST, H16, H18, KS-2200 and TS 610.
Preferably, the first thixotropic agent and the second thixotropic agent are each an oligomeric amide solution of polyhydroxycarboxylate and/or amine functional groups. The first thixotropic agent and the second thixotropic agent are each further preferably selected from at least one of BYK-R607, TX-7001, TX-R607, BYK-R606 and TX-R606. The first thixotropic auxiliary agent and the second thixotropic auxiliary agent are optional components and are matched with the thixotropic agent for use, so that the long-term thixotropic property of the material is further provided.
As a preferable scheme, the first filler and the second filler are respectively selected from at least one of 70-320-mesh glass beads, 70-320-mesh vitrified beads, 70-200-mesh sintered colored sand and 120-200-mesh hollow glass beads, so that a certain sand feel can be brought.
Pigments may be added as desired by those skilled in the art. As a preferable scheme, the pigment is at least one selected from color paste, glitter powder, titanium pigment and pearl powder, and the color plays a certain role in decoration.
The second aspect of the invention provides a preparation method of the water-based water-tolerant white epoxy colored sand tile joint mixture, which comprises the following steps:
preparing a component A:
step A1: mixing the first filler with the aqueous resin at normal temperature;
step A2: mixing a first thixotropic agent, optionally a first thixotropic auxiliary agent, with the mixture obtained in step A1;
step A3: vacuum processing the mixture obtained in the step A2 to obtain a component A;
and (3) preparing a component B:
step B1: mixing the water-based curing agent, the water-removing agent and the second filler at normal temperature;
step B2: mixing a second thixotropic agent, optionally a second thixotropic aid, a pigment with the mixture obtained in step B1;
step B3: and (3) vacuum treating the mixture obtained in the step B2 to obtain a component B.
Preferably, the vacuum degree of the vacuum treatment is-0.1 to-0.09 MPa, namely 0.09 to 0.1MPa lower than the atmospheric pressure.
Preferably, in step A1, the mixing time is 10 to 30 minutes.
Preferably, in step A2, the mixing time is 5 to 20 minutes.
Preferably, in step A3, the time of the vacuum treatment is 5 to 30 minutes.
Preferably, in the step B1, the mixing time is 10 to 30 minutes.
Preferably, in the step B2, the mixing time is 5 to 20 minutes.
Preferably, in the step B3, the time of the vacuum treatment is 5 to 30 minutes.
According to the invention, in a specific embodiment, the preparation method of the water-based water-tolerant white epoxy colored sand tile joint compound comprises the following steps:
preparing a component A:
step A1: mixing the first filler and the aqueous resin for 10-30 minutes at normal temperature;
step A2: mixing the first thixotropic agent and the optional first thixotropic auxiliary agent with the mixture obtained in the step A1 for 5-20 minutes;
step A3: c, carrying out vacuum treatment on the mixture obtained in the step A2 for 5-30 minutes, and pouring the mixture into one end of a double-cylinder rubber tube;
and (3) preparing a component B:
step B1: mixing the water-based curing agent with the water-removing agent and the second filler for 10-30 minutes at normal temperature;
step B2: mixing the second thixotropic agent, the optional second thixotropic auxiliary agent, the pigment and the mixture obtained in the step B1 for 5-20 minutes;
step B3: and B2, vacuum treating the mixture obtained in the step, and filling the mixture into the other end of the double-cylinder rubber tube.
In the practical application process, a supporting AB bi-component is usually adopted and provided with a rubber nozzle, and when the raw materials are extruded from the rubber tube, the raw materials are uniformly mixed. The seam beautifying agent has low odor in the extrusion and curing process, and has extremely high compressive and flexural strength and bonding strength after curing.
Compared with the prior art, the invention has the following beneficial effects:
the water-based water-white-resistant epoxy colored sand tile joint mixture has the advantages of water-white resistance, high solid content, low VOC, high curing speed, strong adhesion, easy construction, frosted texture, stain resistance, corrosion resistance, water resistance, high hardness and wear resistance.
According to the invention, the frosting matte effect is obtained by respectively adding the filler into the A, B component and adjusting the types and the proportions of the filler, so that the decorative effect of the caulking agent is improved; the waterborne resin and the waterborne curing agent are adopted, so that VOC of the waterborne water-resistant white epoxy colored sand tile joint mixture is reduced, and the odor is also reduced; the water-based curing agent and the water are prevented from being combined to generate a water-whitening phenomenon through the moisture curing reaction of the MS resin, and the water-whitening resistance of the joint mixture is improved.
Additional features and advantages of the invention will be set forth in the detailed description which follows.
Drawings
Fig. 1 shows the curing principle of the MS resin of the present invention.
Detailed Description
Preferred embodiments of the present invention will be described in more detail below. While the preferred embodiments of the present invention are described below, it should be understood that the present invention may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the invention to those skilled in the art.
In the examples of the present invention, the MS resin is derived from Japanese bellying company under the trade name SAX350, belongs to the di-functionality trimethoxy terminated linear polyether, and has a polymerization degree of 1000.
Example 1
50 parts of water-based resin XR-552 and 50 parts of 200-mesh sintered color sand are mixed, stirred for 30 minutes in a charging barrel at normal temperature and mixed; continuously adding 3 parts of thixotropic agent H18 and 0.5 part of thixotropic additive BYK-R606, and stirring for 20 minutes; vacuumizing to-0.1 MPa for 20 minutes, and pouring the mixture into one end of the double-cylinder rubber tube to obtain the component A.
50 parts of water-based curing agent XR-524, 3 parts of MS resin and 60 parts of 200-mesh sintered color sand are mixed, stirred for 30 minutes at normal temperature in a charging barrel, and then 4 parts of thixotropic additive H18 and 0.4 part of BYK-R607 and 3 parts of color paste are added into the charging barrel and stirred for 20 minutes; vacuumizing to-0.1 MPa for 20 minutes, and pouring the mixture into the other end of the double-cylinder rubber tube to obtain the component B.
The weight ratio of the aqueous resin to the aqueous curing agent is 1:1.
the weight ratio of the component A to the component B is 103.5:120.4.
example 2
55 parts of water-based resin XR-436, 25 parts of 200-mesh glass beads and 20 parts of 150-mesh sintered colored sand are mixed, and stirred in a charging barrel for 15 minutes at normal temperature for mixing treatment; continuously adding 3 parts of thixotropic agent H16 and 0.5 part of thixotropic additive TX-7001, and stirring for 20 minutes; vacuumizing to-0.1 MPa for 20 minutes, and pouring the mixture into one end of the double-cylinder rubber tube to obtain the component A.
55 parts of water-based curing agent XR-437, 5 parts of MS resin, 20 parts of 200-mesh glass beads and 20 parts of 150-mesh sintered color sand are mixed, and stirred in a charging barrel for 15 minutes at normal temperature for mixing treatment; adding 4 parts of thixotropic agent KS2200, 0.4 part of thixotropic additive TX-R607 and 5 parts of pearl powder into a charging barrel, and stirring for 20 minutes; vacuumizing to-0.1 MPa for 20 minutes, and pouring the mixture into the other end of the double-cylinder rubber tube to obtain the component B.
The weight ratio of the aqueous resin to the aqueous curing agent is 1:1.
the weight ratio of the component A to the component B is 103.5:109.4.
example 3
30 parts of water-based resin YNEER-1003 and 70 parts of 200-mesh vitrified microbeads are mixed, stirred for 30 minutes in a charging barrel at normal temperature and mixed; continuously adding 3 parts of thixotropic agent H16 and 0.5 part of thixotropic additive TX-R606, and stirring for 15 minutes; vacuumizing to-0.1 MPa for 20 minutes, and pouring the mixture into one end of the double-cylinder rubber tube to obtain the component A.
30 parts of water-based curing agent HD750, 1 part of MS resin and 69 parts of 200-mesh vitrified microbeads are mixed, stirred for 30 minutes in a charging barrel at normal temperature and subjected to mixing treatment; adding 4 parts of thixotropic agent KS2200, 0.4 part of thixotropic additive TX-R607 and 1 part of glitter powder into a charging barrel, and stirring for 15 minutes; vacuumizing to-0.1 MPa for 20 minutes, and pouring the mixture into the other end of the double-cylinder rubber tube to obtain the component B.
The weight ratio of the aqueous resin to the aqueous curing agent is 1:1.
the weight ratio of the component A to the component B is 103.5:105.4.
example 4
85 parts of water-based resin YNEER-1004 and 15 parts of 200-mesh glass beads are mixed, stirred for 10 minutes in a charging barrel at normal temperature and mixed; continuously adding 5 parts of thixotropic agent H16 and 1 part of thixotropic additive BYK-R606, and stirring for 20 minutes; vacuumizing to-0.09 MPa for 30 minutes, and pouring the mixture into one end of the double-cylinder rubber tube to obtain the component A.
85 parts of water-based curing agent XR-437, 5 parts of MS resin and 10 parts of 200-mesh glass beads are mixed, stirred in a charging barrel for 10 minutes at normal temperature and mixed; then 5 parts of thixotropic agent KS2200, 1 part of thixotropic additive BYK-R607 and 3 parts of color paste are added into the charging barrel and stirred for 20 minutes; vacuumizing to-0.09 MPa for 30 minutes, and pouring the mixture into the other end of the double-cylinder rubber tube to obtain the component B.
The weight ratio of the aqueous resin to the aqueous curing agent is 1:1.
the weight ratio of the component A to the component B is 106:109.
example 5
85 parts of water-based resin XR-436 and 15 parts of 200-mesh glass beads are mixed, stirred for 10 minutes in a charging barrel at normal temperature and mixed; continuously adding 3 parts of thixotropic agent H16 and 0.5 part of thixotropic additive TX-7001, and stirring for 20 minutes; vacuumizing to-0.09 MPa for 30 minutes, and pouring the mixture into one end of the double-cylinder rubber tube to obtain the component A.
85 parts of water-based curing agent AL755, 5 parts of MS resin and 10 parts of 200-mesh glass beads are mixed, stirred in a charging barrel for 10 minutes at normal temperature, and then 4 parts of thixotropic agent KS2200, 0.2 part of thixotropic auxiliary BYK-R607,0.2 part of thixotropic auxiliary TX-R607 and 3 parts of color paste are added into the charging barrel and stirred for 20 minutes; vacuumizing to-0.09 MPa for 30 minutes, and pouring the mixture into the other end of the double-cylinder rubber tube to obtain the component B.
The weight ratio of the aqueous resin to the aqueous curing agent is 1:1.
the weight ratio of the component A to the component B is 103.5:107.4.
example 6
70 parts of water-based resin XR-436 and 30 parts of 200-mesh glass beads are mixed, stirred for 20 minutes in a charging barrel at normal temperature and mixed; continuously adding 3 parts of thixotropic agent H16 and 0.5 part of thixotropic additive TX-R606, and stirring for 20 minutes; vacuumizing to-0.09 MPa for 30 minutes, and pouring the mixture into one end of the double-cylinder rubber tube to obtain the component A.
35 parts of water-based curing agent HD750 is mixed with 1 part of MS resin, 65 parts of 200-mesh glass beads and 30 parts of 200-mesh vitrified beads, and stirred for 30 minutes in a charging barrel at normal temperature for mixing treatment; then 1 part of thixotropic agent N20ST, 0.1 part of thixotropic additive TX-R607 and 3 parts of color paste are added into the charging barrel and stirred for 20 minutes; vacuumizing to-0.09 MPa for 30 minutes, and pouring the mixture into the other end of the double-cylinder rubber tube to obtain the component B.
The weight ratio of the aqueous resin to the aqueous curing agent is 2:1.
the weight ratio of the component A to the component B is 103:135.1.
example 7
80 parts of water-based resin XR-436 and 20 parts of 200-mesh glass beads are mixed, stirred for 20 minutes in a charging barrel at normal temperature and mixed; continuously adding 3 parts of thixotropic agent H16 and 0.6 part of thixotropic additive TX-7001, and stirring for 20 minutes; vacuumizing to-0.1 MPa for 30 minutes, and pouring the mixture into one end of the double-cylinder rubber tube to obtain the component A.
40 parts of water-based curing agent HD750 is mixed with 3 parts of MS resin and 70 parts of 200-mesh glass beads, and stirred for 20 minutes in a charging barrel at normal temperature for mixing treatment; then 3 parts of thixotropic agent N20ST, 0.4 part of thixotropic additive TX-R607 and 3 parts of titanium dioxide are added into the charging barrel and stirred for 20 minutes; vacuumizing to-0.1 MPa for 30 minutes, and pouring the mixture into the other end of the double-cylinder rubber tube to obtain the component B.
The weight ratio of the aqueous resin to the aqueous curing agent is 2:1.
the weight ratio of the component A to the component B is 103.6:129.4.
example 8
50 parts of water-based resin XR-436 and 50 parts of 200-mesh glass beads are mixed, stirred for 20 minutes in a charging barrel at normal temperature and mixed; continuously adding 3 parts of thixotropic agent H16 and 0.5 part of thixotropic additive BYK-R606, and stirring for 20 minutes; vacuumizing to-0.1 MPa for 30 minutes, and pouring the mixture into one end of the double-cylinder rubber tube to obtain the component A.
55 parts of water-based curing agent XR-437, 3 parts of MS resin and 42 parts of 200-mesh glass beads are mixed, stirred for 20 minutes in a charging barrel at normal temperature and then mixed; then 3 parts of thixotropic agent N20ST, 0.7 part of thixotropic additive BYK-R607 and 1 part of glitter powder are added into the charging barrel and stirred for 20 minutes; vacuumizing to-0.1 MPa for 30 minutes, and pouring the mixture into the other end of the double-cylinder rubber tube to obtain the component B.
The weight ratio of the aqueous resin to the aqueous curing agent is 1:1.1.
the weight ratio of the component A to the component B is 103.5:104.7.
example 9
50 parts of water-based resin XR-436, 20 parts of 200-mesh glass beads and 30 parts of 150-mesh sintered colored sand are mixed, and stirred in a charging barrel for 20 minutes at normal temperature for mixing treatment; continuously adding 3 parts of thixotropic agent H16 and 0.5 part of thixotropic additive TX-R606, and stirring for 20 minutes; vacuumizing to-0.1 MPa for 30 minutes, and pouring the mixture into one end of the double-cylinder rubber tube to obtain the component A.
55 parts of water-based curing agent XR-524, 3 parts of MS resin, 15 parts of 200-mesh glass beads and 27 parts of 150-mesh sintered color sand are mixed, and stirred for 20 minutes in a charging barrel at normal temperature for mixing treatment; then 3 parts of thixotropic agent TS610, 0.4 part of thixotropic additive TX-R607,0.4 part of thixotropic additive BYK-R607 and 2 parts of color paste are added into the charging barrel and stirred for 20 minutes; vacuumizing to-0.1 MPa for 30 minutes, and pouring the mixture into the other end of the double-cylinder rubber tube to obtain the component B.
The weight ratio of the aqueous resin to the aqueous curing agent is 1:1.1.
the weight ratio of the component A to the component B is 103.5:105.8.
example 10
70 parts of water-based resin XR-436 and 46 parts of 200-mesh glass beads are mixed, stirred for 20 minutes in a charging barrel at normal temperature and mixed; continuously adding 3 parts of thixotropic agent H16 and 0.5 part of thixotropic additive TX-R606, and stirring for 20 minutes; vacuumizing to-0.1 MPa for 30 minutes, and pouring the mixture into one end of the double-cylinder rubber tube to obtain the component A.
40 parts of water-based curing agent AL755, 2 parts of MS resin and 70 parts of 200-mesh glass beads are mixed, stirred for 20 minutes in a charging barrel at normal temperature and mixed; then 2 parts of thixotropic agent TS610, 0.5 part of thixotropic auxiliary agent TX-R607 and 5 parts of pearl powder are added into the charging barrel and stirred for 20 minutes; vacuumizing to-0.1 MPa for 30 minutes, and pouring the mixture into the other end of the double-cylinder rubber tube to obtain the component B.
The weight ratio of the aqueous resin to the aqueous curing agent is 7:4.
the weight ratio of the component A to the component B is 119:119.5.
comparative example 1
The difference from example 1 is that the water scavenger is replaced by vinyltrimethoxysilane.
Comparative example 2
The difference from example 4 is that the water scavenger is replaced by vinyltriethoxysilane.
Comparative example 3
The difference from example 5 is that the water scavenger is replaced by vinyltriethoxysilane.
Comparative example 4
The difference from example 6 is that the water scavenger is replaced by vinyltrimethoxysilane.
Comparative example 5
The difference from example 7 is that the water scavenger is replaced by vinyltrimethoxysilane.
Test example 1:
the examples and comparative examples were subjected to a water-whitening resistance test, and the cured color difference Δe was measured at 5 ℃ under a 95% humidity environment, and the results are shown in table 1.
Table 1 color difference comparison of examples and comparative examples
| Examples | 1 | 4 | 5 | 6 | 7 |
| ΔE | 8.7 | 7.5 | 7.8 | 8.2 | 2.6 |
| Comparative example | 1 | 2 | 3 | 4 | 5 |
| ΔE | 12.4 | 17.8 | 16.1 | 12.8 | 2.9 |
The color difference values Δe in examples 1, 4, 5, 6 are all significantly smaller than those in comparative examples 1, 2, 3, 4, demonstrating excellent water-whitening resistance. Among them, in example 7 and comparative example 5, the pigment was titanium white, so that the color difference Δe was not large.
Carbon dioxide in the air can react with the curing agent after being dissolved in water, and the phenomenon of water whitening is generated. The reason that the color difference value delta E of each embodiment is obviously smaller than that of the comparative example is that the MS resin reacts after contacting water, the reaction exotherm promotes the crosslinking reaction of the epoxy resin, the overall reaction speed of the system is improved, the water content contacted with the curing agent is reduced, the contact time of the curing agent and the water is shortened, and the water-white phenomenon generated by the reaction of the curing agent and the water is reduced.
Test example 2:
the examples and comparative examples were subjected to cure time testing at 20℃under 50% humidity conditions, and the results are shown in Table 2.
Table 2 comparison of cure times for each example and comparative example
| Examples | 1 | 4 | 5 | 6 | 7 |
| Curing time | 2h15min | 2h15min | 2h30min | 2h15min | 2h30min |
| Comparative example | 1 | 2 | 3 | 4 | 5 |
| Curing time | 2h40min | 2h40min | 2h40min | 2h35min | 2h50min |
The curing time in the examples is generally shorter than that in the comparative examples, demonstrating the advantage of the inventive joint compound of fast curing speed.
Test example 3:
the solids, VOCs, bond strength, abrasion resistance, stain resistance, and corrosion resistance properties of examples 1-4 were tested and the results are shown in Table 3.
Table 3 results of physical property testing of various examples
Examples the test results demonstrate that each example has high solids, low VOC, high bond strength, water resistance, high wear resistance, stain resistance, and corrosion resistance.
Test example 4:
the tensile strength and elongation at break of examples 1 to 3 and comparative example 1 were tested, and the results are shown in Table 4.
TABLE 4 Table 4
| Index (I) | Example 1 | Example 2 | Example 3 | Comparative example 1 | |
| Tensile Strength | MPa | 10.2 | 10.8 | 10.1 | 11.3 |
| Elongation at break | ％ | 19.1 | 18.7 | 18.1 | 9.2 |
From the test results, each example has high strength and toughness, and also has higher elongation at break under the condition of high tensile strength, compared with the comparative example.
The foregoing description of embodiments of the invention has been presented for purposes of illustration and description, and is not intended to be exhaustive or limited to the embodiments disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art without departing from the scope and spirit of the various embodiments described.
Claims (10)
1. The water-based water-tolerant white epoxy colored sand tile joint mixture is characterized by comprising a component A and a component B;
the raw materials of the component A comprise the following components in parts by weight:
30-85 parts of aqueous resin, 15-70 parts of first filler, 1-5 parts of first thixotropic agent and 0-1 part of first thixotropic auxiliary agent;
the raw materials of the component B comprise the following components in parts by weight:
30-85 parts of water-based curing agent, 1-5 parts of second thixotropic agent, 0-1 part of second thixotropic auxiliary agent, 10-70 parts of second filler, 0-5 parts of pigment and 1-5 parts of water-removing agent;
the water scavenger is silane end capped polyether resin, and the silane end capped polyether resin is di-functionality trimethoxy end capped straight-chain polyether and/or tri-functionality trimethoxy end capped branched-chain polyether;
the aqueous resin is E-51 resin grafted and modified by hydroxyl-containing polyether amine;
the water-based curing agent is at least one of alicyclic amine grafted and modified by hydroxyl-containing polyether amine, amido amine grafted and modified by hydroxyl-containing polyether amine and polyether amine grafted and modified by hydroxyl-containing polyether amine.
2. The aqueous water-tolerant white epoxy colored sand tile joint compound of claim 1, wherein,
the polymerization degree of the silane-terminated polyether resin is 900-1200.
3. The aqueous water-tolerant white epoxy colored sand tile joint compound of claim 1, wherein,
the weight ratio of the aqueous resin to the aqueous curing agent is 10:5-11.
4. The aqueous water-tolerant white epoxy colored sand tile joint compound of claim 1, wherein,
the weight ratio of the component A to the component B is 1: (1-1.5).
5. The aqueous water-tolerant white epoxy colored sand tile joint compound of claim 1, wherein,
the first thixotropic agent and the second thixotropic agent are respectively fumed silica;
the first thixotropic agent, the second thixotropic agent are each a solution of polyhydroxycarboxylate and/or an amine-functional oligomer amide.
6. The aqueous water-tolerant white epoxy colored sand tile joint compound of claim 5, wherein,
the aqueous resin is at least one selected from XR-552, XR-436, YNWER-1003 and YNWER-1004;
the aqueous curing agent is selected from at least one of XR-524, XR-437, HD750 and AL 755;
the first thixotropic agent and the second thixotropic agent are each selected from at least one of N20ST, H16, H18, KS2200 and TS 610.
7. The aqueous water-tolerant white epoxy colored sand tile joint compound of claim 1, wherein,
the first filler and the second filler are respectively selected from at least one of 70-320-mesh glass beads, 70-320-mesh vitrified micro bubbles, 70-200-mesh sintered colored sand and 120-200-mesh hollow glass beads;
the pigment is at least one selected from color paste, glitter powder, titanium pigment and pearl powder.
8. The method for preparing the water-based water-tolerant white epoxy colored sand tile joint mixture according to any one of claims 1 to 7, which is characterized by comprising the following steps:
preparing a component A:
step A1: mixing the first filler with the aqueous resin at normal temperature;
step A2: mixing a first thixotropic agent, optionally a first thixotropic auxiliary agent, with the mixture obtained in step A1;
step A3: vacuum processing the mixture obtained in the step A2 to obtain a component A;
and (3) preparing a component B:
step B1: mixing the water-based curing agent, the water-removing agent and the second filler at normal temperature;
step B2: mixing a second thixotropic agent, optionally a second thixotropic aid, a pigment with the mixture obtained in step B1;
step B3: and (3) vacuum treating the mixture obtained in the step B2 to obtain a component B.
9. The method for preparing the water-based water-tolerant white epoxy colored sand tile joint mixture according to claim 8, wherein the vacuum degree of the vacuum treatment is-0.1 to-0.09 MPa.
10. The method for preparing the water-based water-tolerant white epoxy colored sand tile joint mixture according to claim 8, wherein,
in the step A1, the mixing time is 10-30 minutes;
in the step A2, the mixing time is 5-20 minutes;
in the step A3, the time of vacuum treatment is 5-30 minutes;
in the step B1, the mixing time is 10-30 minutes;
in the step B2, the mixing time is 5-20 minutes;
in the step B3, the time of the vacuum treatment is 5 to 30 minutes.
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| CN106833480A (en) * | 2017-01-16 | 2017-06-13 | 武汉久邦宁新材料科技有限公司 | A kind of fire retardant elastic adhesive of double-component normal temperature cure and preparation method thereof |
| CN108641667A (en) * | 2018-05-16 | 2018-10-12 | 广州锋凌新材料科技有限公司 | Industry silane modified polyether adhesive stitches in a kind of one pack system ceramic tile U.S. |
| CN109266282A (en) * | 2018-09-10 | 2019-01-25 | 广州博邦化学科技有限责任公司 | A kind of compound silane modified polyether heat-conducting glue of one-component and preparation method thereof |
| CN111117525A (en) * | 2019-12-25 | 2020-05-08 | 安徽瑞波源数据科技有限公司 | Sterilization crack beautifying agent for filling gaps of ceramic tiles and preparation method thereof |
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| EP2562192A1 (en) * | 2011-08-26 | 2013-02-27 | Sika Technology AG | Hardener for moisture curable compositions |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106833480A (en) * | 2017-01-16 | 2017-06-13 | 武汉久邦宁新材料科技有限公司 | A kind of fire retardant elastic adhesive of double-component normal temperature cure and preparation method thereof |
| CN108641667A (en) * | 2018-05-16 | 2018-10-12 | 广州锋凌新材料科技有限公司 | Industry silane modified polyether adhesive stitches in a kind of one pack system ceramic tile U.S. |
| CN109266282A (en) * | 2018-09-10 | 2019-01-25 | 广州博邦化学科技有限责任公司 | A kind of compound silane modified polyether heat-conducting glue of one-component and preparation method thereof |
| CN111117525A (en) * | 2019-12-25 | 2020-05-08 | 安徽瑞波源数据科技有限公司 | Sterilization crack beautifying agent for filling gaps of ceramic tiles and preparation method thereof |
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