CN105647400A - Double-component elastic caulking agent and preparation method thereof - Google Patents
Double-component elastic caulking agent and preparation method thereof Download PDFInfo
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- CN105647400A CN105647400A CN201610029219.3A CN201610029219A CN105647400A CN 105647400 A CN105647400 A CN 105647400A CN 201610029219 A CN201610029219 A CN 201610029219A CN 105647400 A CN105647400 A CN 105647400A
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- 238000002360 preparation method Methods 0.000 title claims description 31
- 239000011521 glass Substances 0.000 claims abstract description 50
- 238000002156 mixing Methods 0.000 claims abstract description 29
- 239000003822 epoxy resin Substances 0.000 claims abstract description 25
- 229920000647 polyepoxide Polymers 0.000 claims abstract description 25
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 23
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims abstract description 20
- 239000000203 mixture Substances 0.000 claims abstract description 19
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 17
- 235000021355 Stearic acid Nutrition 0.000 claims abstract description 14
- 239000003365 glass fiber Substances 0.000 claims abstract description 14
- QIQXTHQIDYTFRH-UHFFFAOYSA-N octadecanoic acid Chemical compound CCCCCCCCCCCCCCCCCC(O)=O QIQXTHQIDYTFRH-UHFFFAOYSA-N 0.000 claims abstract description 14
- OQCDKBAXFALNLD-UHFFFAOYSA-N octadecanoic acid Natural products CCCCCCCC(C)CCCCCCCCC(O)=O OQCDKBAXFALNLD-UHFFFAOYSA-N 0.000 claims abstract description 14
- 239000008117 stearic acid Substances 0.000 claims abstract description 14
- -1 acrylic ester compound Chemical class 0.000 claims abstract description 11
- FPAFDBFIGPHWGO-UHFFFAOYSA-N dioxosilane;oxomagnesium;hydrate Chemical compound O.[Mg]=O.[Mg]=O.[Mg]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O FPAFDBFIGPHWGO-UHFFFAOYSA-N 0.000 claims abstract description 10
- 150000003254 radicals Chemical class 0.000 claims abstract description 10
- 239000004408 titanium dioxide Substances 0.000 claims abstract description 8
- BAPJBEWLBFYGME-UHFFFAOYSA-N Methyl acrylate Chemical group COC(=O)C=C BAPJBEWLBFYGME-UHFFFAOYSA-N 0.000 claims abstract description 6
- 239000000945 filler Substances 0.000 claims description 61
- 238000001723 curing Methods 0.000 claims description 50
- 238000003756 stirring Methods 0.000 claims description 43
- IDGUHHHQCWSQLU-UHFFFAOYSA-N ethanol;hydrate Chemical compound O.CCO IDGUHHHQCWSQLU-UHFFFAOYSA-N 0.000 claims description 28
- 239000000463 material Substances 0.000 claims description 28
- 239000004615 ingredient Substances 0.000 claims description 23
- NIXOWILDQLNWCW-UHFFFAOYSA-M Acrylate Chemical compound [O-]C(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-M 0.000 claims description 19
- 150000005846 sugar alcohols Polymers 0.000 claims description 16
- BPSIOYPQMFLKFR-UHFFFAOYSA-N trimethoxy-[3-(oxiran-2-ylmethoxy)propyl]silane Chemical compound CO[Si](OC)(OC)CCCOCC1CO1 BPSIOYPQMFLKFR-UHFFFAOYSA-N 0.000 claims description 16
- 230000004048 modification Effects 0.000 claims description 15
- 238000012986 modification Methods 0.000 claims description 15
- 239000007787 solid Substances 0.000 claims description 13
- CERQOIWHTDAKMF-UHFFFAOYSA-N alpha-methacrylic acid Natural products CC(=C)C(O)=O CERQOIWHTDAKMF-UHFFFAOYSA-N 0.000 claims description 12
- 238000000016 photochemical curing Methods 0.000 claims description 12
- 239000004593 Epoxy Substances 0.000 claims description 11
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims description 11
- 235000013312 flour Nutrition 0.000 claims description 11
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 claims description 11
- 239000000377 silicon dioxide Substances 0.000 claims description 11
- 150000001875 compounds Chemical class 0.000 claims description 10
- BLRPTPMANUNPDV-UHFFFAOYSA-N Silane Chemical compound [SiH4] BLRPTPMANUNPDV-UHFFFAOYSA-N 0.000 claims description 9
- 238000006243 chemical reaction Methods 0.000 claims description 9
- 229910000077 silane Inorganic materials 0.000 claims description 9
- 239000002245 particle Substances 0.000 claims description 8
- 230000004044 response Effects 0.000 claims description 7
- 238000005406 washing Methods 0.000 claims description 7
- CSCPPACGZOOCGX-UHFFFAOYSA-N acetone Substances CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 claims description 6
- UBHZUDXTHNMNLD-UHFFFAOYSA-N dimethylsilane Chemical compound C[SiH2]C UBHZUDXTHNMNLD-UHFFFAOYSA-N 0.000 claims description 6
- 150000002148 esters Chemical class 0.000 claims description 6
- TZPUFQUQYUYVQC-UHFFFAOYSA-N phenylsilylmethanamine Chemical compound NC[SiH2]C1=CC=CC=C1 TZPUFQUQYUYVQC-UHFFFAOYSA-N 0.000 claims description 6
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 claims description 5
- 229940059574 pentaerithrityl Drugs 0.000 claims description 5
- WXZMFSXDPGVJKK-UHFFFAOYSA-N pentaerythritol Chemical compound OCC(CO)(CO)CO WXZMFSXDPGVJKK-UHFFFAOYSA-N 0.000 claims description 5
- YIKSHDNOAYSSPX-UHFFFAOYSA-N 1-propan-2-ylthioxanthen-9-one Chemical compound S1C2=CC=CC=C2C(=O)C2=C1C=CC=C2C(C)C YIKSHDNOAYSSPX-UHFFFAOYSA-N 0.000 claims description 4
- ATUOYWHBWRKTHZ-UHFFFAOYSA-N Propane Chemical compound CCC ATUOYWHBWRKTHZ-UHFFFAOYSA-N 0.000 claims description 4
- WTEOIRVLGSZEPR-UHFFFAOYSA-N boron trifluoride Chemical compound FB(F)F WTEOIRVLGSZEPR-UHFFFAOYSA-N 0.000 claims description 4
- LJRSZGKUUZPHEB-UHFFFAOYSA-N 2-[2-(2-prop-2-enoyloxypropoxy)propoxy]propyl prop-2-enoate Chemical compound C=CC(=O)OC(C)COC(C)COC(C)COC(=O)C=C LJRSZGKUUZPHEB-UHFFFAOYSA-N 0.000 claims description 2
- 229910015900 BF3 Inorganic materials 0.000 claims description 2
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 2
- 230000003197 catalytic effect Effects 0.000 claims description 2
- 239000001294 propane Substances 0.000 claims description 2
- 239000003960 organic solvent Substances 0.000 abstract description 3
- 239000003999 initiator Substances 0.000 abstract description 2
- 239000006087 Silane Coupling Agent Substances 0.000 abstract 1
- KPUWHANPEXNPJT-UHFFFAOYSA-N disiloxane Chemical class [SiH3]O[SiH3] KPUWHANPEXNPJT-UHFFFAOYSA-N 0.000 abstract 1
- 239000011859 microparticle Substances 0.000 abstract 1
- 239000004005 microsphere Substances 0.000 abstract 1
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 abstract 1
- 239000000843 powder Substances 0.000 abstract 1
- 239000010453 quartz Substances 0.000 abstract 1
- 239000011468 face brick Substances 0.000 description 11
- 238000011049 filling Methods 0.000 description 8
- 235000010215 titanium dioxide Nutrition 0.000 description 8
- DNIAPMSPPWPWGF-UHFFFAOYSA-N Propylene glycol Chemical compound CC(O)CO DNIAPMSPPWPWGF-UHFFFAOYSA-N 0.000 description 6
- 239000004568 cement Substances 0.000 description 6
- 239000000470 constituent Substances 0.000 description 5
- SOQBVABWOPYFQZ-UHFFFAOYSA-N oxygen(2-);titanium(4+) Chemical class [O-2].[O-2].[Ti+4] SOQBVABWOPYFQZ-UHFFFAOYSA-N 0.000 description 4
- 229920005989 resin Polymers 0.000 description 3
- 239000011347 resin Substances 0.000 description 3
- 230000035882 stress Effects 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 125000004386 diacrylate group Chemical group 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 239000002904 solvent Substances 0.000 description 2
- 238000003860 storage Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 238000004078 waterproofing Methods 0.000 description 2
- 239000004721 Polyphenylene oxide Substances 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000003679 aging effect Effects 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 238000004132 cross linking Methods 0.000 description 1
- 239000003431 cross linking reagent Substances 0.000 description 1
- 239000003085 diluting agent Substances 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- LNEPOXFFQSENCJ-UHFFFAOYSA-N haloperidol Chemical compound C1CC(O)(C=2C=CC(Cl)=CC=2)CCN1CCCC(=O)C1=CC=C(F)C=C1 LNEPOXFFQSENCJ-UHFFFAOYSA-N 0.000 description 1
- 238000005338 heat storage Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 150000002894 organic compounds Chemical class 0.000 description 1
- 239000004014 plasticizer Substances 0.000 description 1
- 229920000570 polyether Polymers 0.000 description 1
- 150000003077 polyols Chemical group 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 229920003002 synthetic resin Polymers 0.000 description 1
- 239000000057 synthetic resin Substances 0.000 description 1
- 230000009466 transformation 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
- C09J4/00—Adhesives based on organic non-macromolecular compounds having at least one polymerisable carbon-to-carbon unsaturated bond ; adhesives, based on monomers of macromolecular compounds of groups C09J183/00 - C09J183/16
- C09J4/06—Organic non-macromolecular compounds having at least one polymerisable carbon-to-carbon unsaturated bond in combination with a macromolecular compound other than an unsaturated polymer of groups C09J159/00 - C09J187/00
-
- 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
-
- 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
- C09J11/06—Non-macromolecular additives organic
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
The invention relates to the field of caulking agents and discloses a double-component elastic caulking agent which is composed of a principal component and a curing component; the principal component is obtained by mixing, by weight, 55-65 parts of epoxy resin, 5-10 parts of quartz powder and a mixture of one or more of 5-10 parts of talcum powder, 5-10 parts of titanium dioxide and 5-10 parts of aluminum oxide micro particles; 15-20 parts of an acrylic ester compound capable of being subjected to free radical light curing, 5-10 parts of siloxane containing a (methyl) acrylate group, 1-3 parts of hollow glass microspheres, 1-3 parts of glass fibers and 3-4 parts of stearic acid; the curing component is obtained by mixing, by weight, 30-40 parts of an epoxy resin curing agent, 3-5 parts of a silane coupling agent and 2-4 parts of free radical light initiator. The caulking agent is good in elasticity, high in curing speed, small in viscosity, good in waterproofness, high in binding power, free of harmful organic solvent and environmentally friendly.
Description
Technical field
The present invention relates to gap filler field, particularly relate to a kind of two ingredient elastic gap filler and preparation method thereof.
Background technology
Gap filler for building at present is prepared from after being typically all use white cement water mixing, and white cement, because of the robustness of its excellence, durability etc., becomes the underfill materials employed up to. But white cement there is also many weak points.
First, after white cement solidification, himself is elastic not enough, it is attached to the face brick of surface of wall and body of wall under high temperature or low temperature environment, volume is susceptible to expansion or shrinkage, body of wall and face brick are typically all fragile material, lack flexibility, and with gap filler that white cement is main component, also lack flexibility, therefore the stress that the volume of body of wall or face brick produces after changing cannot discharge, cause body of wall, face brick or jointing place crack, ultimately result in body of wall water proofing property, heat insulating ability is severely impacted, result even in face brick time serious to come off from body of wall, thus causing potential safety hazard.
Secondly, the hardening time of current gap filler is longer, it usually needs could solidify more than ten hours, and this not only extends the duration, and face brick after being attached on body of wall owing to self gravitation or External Force Acting are subjected to displacement, have impact on the overall aesthetics of face brick.
Number of patent application be 201310572085.6 Chinese invention patent disclose a kind of resin type gap filler, the parts by weight including following component and each component are: synthetic resin 50-70 part; Filler 15-20 part, modifying agent 10-20 part, plasticizer 5-10 part, cross-linking agent 1-3 part, viscosifier 2-5 part. The gap filler of this invention significantly enhances adhesion strength, hardness, elasticity, and significantly improves the levelability of gap filler, additionally, this gap filler also has the storage stability of excellence, the storage time is long, is highly suitable for ceramic tile joint filling.
The gap filler of above patent to some extent solves the tradition logy shortcoming of gap filler, but its elasticity is still not ideal enough. Meanwhile, the cured thickness of this gap filler is less, cannot fast setting when gap is deeper, it does not have solve the technical problem of tradition underfill cures time length. In addition the viscosity of this gap filler is relatively big, and joint filling is convenient not when using.
Summary of the invention
In order to solve that existing gap filler exists elastic not enough, curing rate slow, use time inconvenient technical problem, the invention provides a kind of two ingredient elastic gap filler and preparation method thereof. The gap filler good springiness of the present invention, curing rate is fast, good waterproof performance, and cohesive force is strong, and without harmful organic solvent, environmental protection.
The concrete technical scheme of the present invention is: a kind of two ingredient elastic gap filler, is made up of host component and curing component; Described host component includes the material mixing of following weight portion and prepares: 55-65 part epoxy resin; One or more mixture in 5-10 part silica flour, Pulvis Talci, titanium dioxide, alumina particulate; The acrylate functional compound of 15-20 part free redical photocuring; 5-10 part is containing (methyl) acrylate-based siloxanes; 1-3 part hollow glass micropearl; 1-3 part glass fibre; 3-4 part stearic acid.
In host component, using the epoxy resin matrix material as gap filler, compare the gap filler that tradition is main component with cement, epoxy resin has comparatively outstanding elastic modelling quantity, what the body of wall appearance covering such as body of wall or face brick produced internal stress can be absorbed because high/low temperature is shunk, it is prevented that the phenomenon that wall crazing or body of wall appearance covering come off occurs. And the cohesive force of epoxy resin and concrete material is better, difficult drop-off. The materials such as silica flour, Pulvis Talci, titanium dioxide, alumina particulate can play filling effect on the one hand, reduce the consumption of epoxy resin, on the other hand also be able to the aging action wear-resisting, high temperature resistant, against sunshine after improving underfill cures so that gap filler to benefit from the life-span more permanent. The acrylate functional compound of free redical photocuring is when initiator and irradiation under ultraviolet ray, it is possible to quickly solidify, and compensate for the shortcoming that epoxy resin cure is slower. And the acrylate functional compound of free redical photocuring is after mixing with epoxy resin, it is possible to epoxy resin generation cross-linking reaction so that the intensity after underfill cures is higher. Owing to the gap filler of the present invention is no-solvent type gap filler, the viscosity of the resins such as epoxy resin is higher, comparatively sticky, mobility is poor, when joint filling gap size more deeply or thinner time, it is not easy to carry out joint filling, and the molecular weight containing (methyl) acrylate-based siloxanes is relatively low, it is possible to reduce the viscosity of whole system as reactive diluent. Simultaneously containing (methyl) acrylate-based siloxanes, because of it, to contain (methyl) acrylate-based, thus also having photocuring function, can participate in reaction when gap filler carries out photocuring, increasing the intensity after underfill cures further. Hollow glass micropearl is a kind of hollow glass spheroid being of a size of micron level, have light weight, low heat conduction, thermally-stabilised good, in organic system the feature such as good dispersion. Hollow glass micropearl is owing to having hollow-core construction, and its internal miniature air bag can play heat insulation effect, and the water absorption rate of hollow glass micropearl is low, it is possible to increase the water proofing property of gap filler. Glass fibre can strengthen the tensile strength after underfill cures, anti crack performance, in addition. Glass fibre, hollow glass micropearl also are able to synergism and improve the fire resistance of gap filler. Stearic acid has good specific heat capacity, there is good heat storage function, composition as gap filler, under high temperature or low temperature environment, stearic acid can absorb or discharge substantial amounts of heat to keep the temperature of gap filler self to remain stable for, with hollow glass micropearl synergism, it is possible to effectively act as heat-blocking action.
Described curing component is mixed prepared by the material of following weight portion: 30-40 part epoxy curing agent; 3-5 part silane coupler; 2-4 part free radical photo-initiation.
The Main Function of curing component is to cooperate with host component and uses, it is possible to make gap filler carry out fast setting.
The acrylate functional compound of described free redical photocuring one or more mixture in (methyl) acrylic acid ethyl binaryglycol ester, (methyl) acrylic acid-2-ethyl caproite, NVP, tri (propylene glycol) diacrylate, tetramethylolmethane five acrylate. The described siloxanes acrylate-based containing (methyl) one or more mixture in double; two [2-(acryloxy) ethyoxyl] aminomethyl phenyl silane, double; two [2-(methacryloxy) ethyoxyl] dimethylsilane. Described free radical photo-initiation one or more mixture in 2-hydroxy-2-methyl-phenyl-1-acetone, the first and second base Michler's ketons, isopropyl thioxanthone, 2-methyl isophthalic acid-(4-first mercaptophenyl)-2-morpholine acetone-1.
As preferably, the particle diameter of described hollow glass micropearl is at 20-100 micron. Hollow glass micropearl dispersibility in this particle size range is higher.
As preferably, described hollow glass micropearl is through modification: takes silane coupler KH-560 and is added in ethanol water and is stirred, take hollow glass micropearl and be added in above-mentioned ethanol water, proceed stirring while and be heated, after reaction, product is filtered, take solid to be dried, after washing, just prepare the hollow glass micropearl of modification; Wherein the mass ratio of silane coupler KH-560, ethanol water and hollow glass micropearl is (5-10): 600:100, and the concentration of described ethanol water is 60-80wt%, and heating-up temperature is 50-70 DEG C, and the response time is 3-5h.
By hollow glass micropearl through modified, it is possible to improve its compatibility in organic-compound system and dispersibility further.
As preferably, also including the hyperbranched poly ethoxylated polyhydric alcohol of 4-8 weight portion in described host component, described hyperbranched poly ethoxylated polyhydric alcohol is reacted under boron trifluoride catalytic action by trihydroxylic alcohol and 3-ethyl-3-methylol expoxy propane and prepares.
Having hyperbranched characteristic in hyperbranched polyether polyol structure, when gap filler solidifies, hyperbranched poly ethoxylated polyhydric alcohol is as the chain-transferring agent of epoxy resin, by increasing capacitance it is possible to increase the crosslink density of epoxy resin, the curing rate of intensifier ring epoxy resins. Simultaneously as containing substantial amounts of ehter bond in hyperbranched poly ethoxylated polyhydric alcohol, additionally it is possible to improve the elasticity after underfill cures further, it is to avoid the fragility that epoxy resin produces because crosslink density is excessive. In addition chain not easy entanglement in the intermolecular or molecule of hyperbranched poly ethoxylated polyhydric alcohol, the low mobility without influence on gap filler of viscosity.
As preferably, the number-average molecular weight of described hyperbranched poly ethoxylated polyhydric alcohol is at 1000-10000g/mol. Number-average molecular weight hyperbranched poly ethoxylated polyhydric alcohol performance within the scope of this is comparatively excellent.
The preparation method that present invention also offers a kind of two ingredient elastic gap filler, comprises the steps:
(1) preparation of host component: by epoxy resin, one or more mixture in silica flour, Pulvis Talci, titanium dioxide, alumina particulate, the acrylate functional compound of free redical photocuring, containing the siloxanes that (methyl) is acrylate-based, hollow glass micropearl, glass fibre and stearic acid mix by proportioning, are ground after stirring, and obtain host component; Stir speed (S.S.) is 600-800r/min, and mixing time is 3-5 hour;
(2) preparation of curing component: epoxy curing agent, silane coupler, free radical photo-initiation are mixed by proportioning, obtains curing component after stirring; Stir speed (S.S.) is 400-600r/min, and mixing time is 1-2 hour.
When in the host component of gap filler containing hyperbranched poly ethoxylated polyhydric alcohol, the preparation method of two ingredient elastic gap filler comprises the steps:
(1) preparation of host component: by epoxy resin, one or more mixture in silica flour, Pulvis Talci, titanium dioxide, alumina particulate, the acrylate functional compound of free redical photocuring, containing the siloxanes that (methyl) is acrylate-based, hyperbranched poly ethoxylated polyhydric alcohol, hollow glass micropearl, glass fibre and stearic acid mix by proportioning, it is ground after stirring, obtains host component; Stir speed (S.S.) is 600-800r/min, and mixing time is 3-5 hour;
(2) preparation of curing component: epoxy curing agent, silane coupler, free radical photo-initiation are mixed by proportioning, obtains curing component after stirring; Stir speed (S.S.) is 400-600r/min, and mixing time is 1-2 hour.
The using method of the gap filler of the present invention is, by host component and curing component according to practical situation mix homogeneously by a certain percentage in light protected environment before joint filling, with injection tool by mixed gap filler injection fillers gap between face brick, being irradiated facing to gap filler with ultraviolet light emission device after levelling, several minutes completes joint filling after the basic curing molding of gap filler.
The invention have the advantages that
1. good springiness, it is possible to absorb the internal stress of building body and face brick, it is prevented that cracking.
2. curing rate is fast, can be fast curing-formed after filling, it is to avoid face brick is subjected to displacement because underfill cures speed is slow.
3. good waterproof performance, it is possible to prevent outside moisture from passing through gap filler and invade inside building body.
4. cohesive force is strong, and intensity is high, Heat stability is good so that the long perfomance life of gap filler.
5. without harmful organic solvent, environmental protection.
Detailed description of the invention
Below in conjunction with embodiment, the invention will be further described.
Embodiment 1
A kind of two ingredient elastic gap filler, is made up of host component and curing component.
Described host component includes the material mixing of following weight portion and prepares:
60 parts of epoxy resin;
2 parts of silica flours; 2 parts of Pulvis Talci; 2 parts of titanium dioxides; 2 parts of alumina particulates;
8 parts of (methyl) acrylic acid ethyl binaryglycol esters, 8 parts of (methyl) acrylic acid-2-ethyl caproites;
4 parts of double; two [2-(acryloxy) ethyoxyl] aminomethyl phenyl silanes, 4 parts of double; two [2-(methacryloxy) ethyoxyl] dimethylsilane;
2 parts of particle diameters are at the hollow glass micropearl of 40-80 micron; 2 parts of glass fibre; 3.5 parts of stearic acid.
Described curing component is mixed prepared by the material of following weight portion:
35 parts of epoxy curing agents; 4 parts of KH-550 silane couplers; 1 part of 2-hydroxy-2-methyl-phenyl-1-acetone, 1 part of first and second base Michler's keton, 1 part of isopropyl thioxanthone.
Hollow glass micropearl described in the present embodiment is through modification: takes silane coupler KH-560 and is added in ethanol water and is stirred, take hollow glass micropearl and be added in above-mentioned ethanol water, proceed stirring while and be heated, after reaction, product is filtered, take solid to be dried, after washing, just prepare the hollow glass micropearl of modification.Wherein the mass ratio of silane coupler KH-560, ethanol water and hollow glass micropearl is 7.5:600:100, and the concentration of described ethanol water is 70wt%, and heating-up temperature is 60 DEG C, and the response time is 4h.
The preparation method of this two ingredient elastic gap filler comprises the steps:
(1) preparation of host component: each material of host component is mixed by proportioning, is ground after stirring, obtains host component; Stir speed (S.S.) is 700r/min, and mixing time is 4 hours.
(2) preparation of curing component: each for solid constituent material is mixed by proportioning, obtains curing component after stirring; Stir speed (S.S.) is 500r/min, and mixing time is 1.5 hours.
Embodiment 2
A kind of two ingredient elastic gap filler, is made up of host component and curing component.
Described host component includes the material mixing of following weight portion and prepares:
55 parts of epoxy resin;
4 parts of silica flours, 4 parts of titanium dioxides, 2 parts of alumina particulates;
10 parts of (methyl) acrylic acid ethyl binaryglycol esters, 5 parts of tri (propylene glycol) diacrylates, 5 parts of tetramethylolmethane five acrylate;
10 parts of double; two [2-(acryloxy) ethyoxyl] aminomethyl phenyl silanes;
3 parts of particle diameters are at the hollow glass micropearl of 20-50 micron; 1 part of glass fibre; 4 parts of stearic acid.
Described curing component is mixed prepared by the material of following weight portion:
30 parts of epoxy curing agents; 3 parts of silane coupler KH-560;
1 part of 2-hydroxy-2-methyl-phenyl-1-acetone, 1 part of 2-methyl isophthalic acid-(4-first mercaptophenyl)-2-morpholine acetone-1.
Hollow glass micropearl described in the present embodiment is through modification: takes silane coupler KH-560 and is added in ethanol water and is stirred, take hollow glass micropearl and be added in above-mentioned ethanol water, proceed stirring while and be heated, after reaction, product is filtered, take solid to be dried, after washing, just prepare the hollow glass micropearl of modification; Wherein the mass ratio of silane coupler KH-560, ethanol water and hollow glass micropearl is 5:600:100, and the concentration of described ethanol water is 60wt%, and heating-up temperature is 50 DEG C, and the response time is 5h.
The preparation method of this two ingredient elastic gap filler comprises the steps:
(1) preparation of host component: each material of host component is mixed by proportioning, is ground after stirring, obtains host component; Stir speed (S.S.) is 600r/min, and mixing time is 3 hours;
(2) preparation of curing component: each for solid constituent material is mixed by proportioning, obtains curing component after stirring; Stir speed (S.S.) is 400r/min, and mixing time is 1 hour.
Embodiment 3
A kind of two ingredient elastic gap filler, is made up of host component and curing component.
Described host component includes the material mixing of following weight portion and prepares:
65 parts of epoxy resin;
2 parts of Pulvis Talci, 2 parts of titanium dioxides, 1 part of alumina particulate;
5 parts of (methyl) acrylic acid-2-ethyl caproites, 5 parts of NVPs, 5 parts of tetramethylolmethane five acrylate;
3 parts of double; two [2-(acryloxy) ethyoxyl] aminomethyl phenyl silanes, 2 parts of double; two [2-(methacryloxy) ethyoxyl] dimethylsilane;
1 part of particle diameter is at the hollow glass micropearl of 60-100 micron; 3 parts of glass fibre; 3 parts of stearic acid;
6 number average molecular weights are at the hyperbranched poly ethoxylated polyhydric alcohol of 4000-8000g/mol.
Described curing component is mixed prepared by the material of following weight portion:
30 parts of epoxy curing agents;3 parts of Silane coupling reagent KH-570s;
2 parts of isopropyl thioxanthones.
Hollow glass micropearl described in the present embodiment is through modification: takes silane coupler KH-560 and is added in ethanol water and is stirred, take hollow glass micropearl and be added in above-mentioned ethanol water, proceed stirring while and be heated, after reaction, product is filtered, take solid to be dried, after washing, just prepare the hollow glass micropearl of modification; Wherein the mass ratio of silane coupler KH-560, ethanol water and hollow glass micropearl is 10:600:100, and the concentration of described ethanol water is 80wt%, and heating-up temperature is 70 DEG C, and the response time is 3h.
The preparation method of this two ingredient elastic gap filler comprises the steps:
(1) preparation of host component: each material of host component is mixed by proportioning, is ground after stirring, obtains host component; Stir speed (S.S.) is 800r/min, and mixing time is 5 hours;
(2) preparation of curing component: each for solid constituent material is mixed by proportioning, obtains curing component after stirring; Stir speed (S.S.) is 600r/min, and mixing time is 2 hours.
Embodiment 4
A kind of two ingredient elastic gap filler, is made up of host component and curing component.
Described host component includes the material mixing of following weight portion and prepares:
58 parts of epoxy resin;
3 parts of silica flours, 3 parts of titanium dioxides;
18 parts of (methyl) acrylic acid ethyl binaryglycol esters;
6 parts of double; two [2-(methacryloxy) ethyoxyl] dimethylsilane;
2 parts of particle diameters are at the hollow glass micropearl of 40-80 micron; 2 parts of glass fibre; 3 parts of stearic acid;
4 number average molecular weights are at the hyperbranched poly ethoxylated polyhydric alcohol of 1000-4000g/mol.
Described curing component is mixed prepared by the material of following weight portion:
35 parts of epoxy curing agents; 4 parts of silane coupler KH-560;
2 parts of 2-hydroxy-2-methyl-phenyl-1-acetone.
Hollow glass micropearl described in the present embodiment is through modification: takes silane coupler KH-560 and is added in ethanol water and is stirred, take hollow glass micropearl and be added in above-mentioned ethanol water, proceed stirring while and be heated, after reaction, product is filtered, take solid to be dried, after washing, just prepare the hollow glass micropearl of modification; Wherein the mass ratio of silane coupler KH-560, ethanol water and hollow glass micropearl is 8:600:100, and the concentration of described ethanol water is 65wt%, and heating-up temperature is 65 DEG C, and the response time is 3.5h.
The preparation method of this two ingredient elastic gap filler comprises the steps:
(1) preparation of host component: each material of host component is mixed by proportioning, is ground after stirring, obtains host component; Stir speed (S.S.) is 650r/min, and mixing time is 3.5 hours;
(2) preparation of curing component: each for solid constituent material is mixed by proportioning, obtains curing component after stirring; Stir speed (S.S.) is 550r/min, and mixing time is 1.5 hours.
Embodiment 5
A kind of two ingredient elastic gap filler, is made up of host component and curing component.
Described host component includes the material mixing of following weight portion and prepares:
60 parts of epoxy resin;
4 parts of silica flours, 4 parts of alumina particulates;
4 parts of (methyl) acrylic acid ethyl binaryglycol esters, 4 parts of (methyl) acrylic acid-2-ethyl caproites, 4 parts of NVPs, 4 parts of tri (propylene glycol) diacrylates, 4 parts of tetramethylolmethane five acrylate;
5 parts of double; two [2-(acryloxy) ethyoxyl] aminomethyl phenyl silanes, 5 parts of double; two [2-(methacryloxy) ethyoxyl] dimethylsilane;
3 parts of particle diameters are at the hollow glass micropearl of 20-100 micron; 2 parts of glass fibre; 4 parts of stearic acid;
8 number average molecular weights are at the hyperbranched poly ethoxylated polyhydric alcohol of 8000-10000g/mol.
Described curing component is mixed prepared by the material of following weight portion:
32 parts of epoxy curing agents; 4 parts of silane resin acceptor kh-550s;
1 part of 2-hydroxy-2-methyl-phenyl-1-acetone, 1 part of first and second base Michler's keton.
Hollow glass micropearl described in the present embodiment is through modification: takes silane coupler KH-560 and is added in ethanol water and is stirred, take hollow glass micropearl and be added in above-mentioned ethanol water, proceed stirring while and be heated, after reaction, product is filtered, take solid to be dried, after washing, just prepare the hollow glass micropearl of modification; Wherein the mass ratio of silane coupler KH-560, ethanol water and hollow glass micropearl is 7:600:100, and the concentration of described ethanol water is 75wt%, and heating-up temperature is 55 DEG C, and the response time is 4.5h.
The preparation method of this two ingredient elastic gap filler comprises the steps:
(1) preparation of host component: each material of host component is mixed by proportioning, is ground after stirring, obtains host component; Stir speed (S.S.) is 750r/min, and mixing time is 3 hours;
(2) preparation of curing component: each for solid constituent material is mixed by proportioning, obtains curing component after stirring; Stir speed (S.S.) is 450r/min, and mixing time is 2 hours.
The gap filler of the present invention is liquid non-solvent type gap filler:
Solid content is not less than 98wt%;
Outward appearance is fine and smooth, and uniformly, perusal is without graininess;
Viscosity is little, good fluidity;
At 20 DEG C of temperature, basic solidified forming time is 5-20min;
The time that is fully cured at 20 DEG C of temperature is 3-5h.
Raw materials used, equipment in the present invention, unless otherwise noted, is the conventional raw material of this area, equipment; Method therefor in the present invention, unless otherwise noted, is the conventional method of this area.
The above; it it is only presently preferred embodiments of the present invention; not the present invention is imposed any restrictions, every any simple modification, change and equivalent structure transformation above example made according to the technology of the present invention essence, all still fall within the protection domain of technical solution of the present invention.
Claims (7)
1. a two ingredient elastic gap filler, it is characterised in that be made up of host component and curing component; Described host component includes the material mixing of following weight portion and prepares: 55-65 part epoxy resin; One or more mixture in 5-10 part silica flour, Pulvis Talci, titanium dioxide, alumina particulate; The acrylate functional compound of 15-20 part free redical photocuring; 5-10 part is containing (methyl) acrylate-based siloxanes; 1-3 part hollow glass micropearl; 1-3 part glass fibre; 3-4 part stearic acid; Described curing component is mixed prepared by the material of following weight portion: 30-40 part epoxy curing agent; 3-5 part silane coupler; 2-4 part free radical photo-initiation;
The acrylate functional compound of described free redical photocuring one or more mixture in (methyl) acrylic acid ethyl binaryglycol ester, (methyl) acrylic acid-2-ethyl caproite, NVP, tri (propylene glycol) diacrylate, tetramethylolmethane five acrylate;
The described siloxanes acrylate-based containing (methyl) one or more mixture in double; two [2-(acryloxy) ethyoxyl] aminomethyl phenyl silane, double; two [2-(methacryloxy) ethyoxyl] dimethylsilane;
Described free radical photo-initiation one or more mixture in 2-hydroxy-2-methyl-phenyl-1-acetone, the first and second base Michler's ketons, isopropyl thioxanthone, 2-methyl isophthalic acid-(4-first mercaptophenyl)-2-morpholine acetone-1.
2. two ingredient elastic gap filler as claimed in claim 1, it is characterised in that the particle diameter of described hollow glass micropearl is at 20-100 micron.
3. two ingredient elastic gap filler as claimed in claim 1, it is characterised in that described hollow glass micropearl is through modification:
Take silane coupler KH-560 and be added in ethanol water and be stirred, take hollow glass micropearl and be added in above-mentioned ethanol water, proceed stirring while and be heated, after reaction, product is filtered, take solid to be dried, after washing, just prepare the hollow glass micropearl of modification; Wherein the mass ratio of silane coupler KH-560, ethanol water and hollow glass micropearl is (5-10): 600:100, and the concentration of described ethanol water is 60-80wt%, and heating-up temperature is 50-70 DEG C, and the response time is 3-5h.
4. two ingredient elastic gap filler as claimed in claim 1, it is characterized in that, also including the hyperbranched poly ethoxylated polyhydric alcohol of 4-8 weight portion in described host component, described hyperbranched poly ethoxylated polyhydric alcohol is reacted under boron trifluoride catalytic action by trihydroxylic alcohol and 3-ethyl-3-methylol expoxy propane and prepares.
5. two ingredient elastic gap filler as claimed in claim 4, it is characterised in that the number-average molecular weight of described hyperbranched poly ethoxylated polyhydric alcohol is at 1000-10000g/mol.
6. the preparation method of the two ingredient elastic gap filler as described in arbitrary in claim 1-3, it is characterised in that comprise the steps:
(1) preparation of host component: by epoxy resin, one or more mixture in silica flour, Pulvis Talci, titanium dioxide, alumina particulate, the acrylate functional compound of free redical photocuring, containing the siloxanes that (methyl) is acrylate-based, hollow glass micropearl, glass fibre and stearic acid mix by proportioning, are ground after stirring, and obtain host component; Stir speed (S.S.) is 600-800r/min, and mixing time is 3-5 hour;
(2) preparation of curing component: epoxy curing agent, silane coupler, free radical photo-initiation are mixed by proportioning, obtains curing component after stirring; Stir speed (S.S.) is 400-600r/min, and mixing time is 1-2 hour.
7. the preparation method of the two ingredient elastic gap filler as described in claim 4 or 5, it is characterised in that comprise the steps:
(1) preparation of host component: by epoxy resin, one or more mixture in silica flour, Pulvis Talci, titanium dioxide, alumina particulate, the acrylate functional compound of free redical photocuring, containing the siloxanes that (methyl) is acrylate-based, hyperbranched poly ethoxylated polyhydric alcohol, hollow glass micropearl, glass fibre and stearic acid mix by proportioning, it is ground after stirring, obtains host component; Stir speed (S.S.) is 600-800r/min, and mixing time is 3-5 hour;
(2) preparation of curing component: epoxy curing agent, silane coupler, free radical photo-initiation are mixed by proportioning, obtains curing component after stirring; Stir speed (S.S.) is 400-600r/min, and mixing time is 1-2 hour.
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| CN106221192A (en) * | 2016-07-25 | 2016-12-14 | 江苏盛源燃气动力机械有限公司 | A kind of road gap filler |
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| CN108102585A (en) * | 2018-01-24 | 2018-06-01 | 合肥市大卓电力有限责任公司 | A kind of environment friendly mildew resistant ceramic wall and floor tile gap filler and preparation method thereof |
| CN108285656A (en) * | 2017-04-17 | 2018-07-17 | 国网浙江省电力公司湖州供电公司 | A method of prevent transmission line of electricity down conductor from corroding |
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| US6180200B1 (en) * | 1998-06-01 | 2001-01-30 | Dsm N. V. | Cationic and hybrid radiation curable pressure sensitive adhesives for bonding of optical discs |
| US6750301B1 (en) * | 2000-07-07 | 2004-06-15 | National Starch And Chemical Investment Holding Corporation | Die attach adhesives with epoxy compound or resin having allyl or vinyl groups |
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| CN108285656A (en) * | 2017-04-17 | 2018-07-17 | 国网浙江省电力公司湖州供电公司 | A method of prevent transmission line of electricity down conductor from corroding |
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| CN108102585A (en) * | 2018-01-24 | 2018-06-01 | 合肥市大卓电力有限责任公司 | A kind of environment friendly mildew resistant ceramic wall and floor tile gap filler and preparation method thereof |
| CN110484083A (en) * | 2019-07-06 | 2019-11-22 | 谢隆 | A kind of two-component tile grout |
| WO2023111715A1 (en) * | 2021-12-16 | 2023-06-22 | 3M Innovative Properties Company | Compositions comprising cleavable crosslinkers |
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