CN107353857B - Epoxy crack sealer composition and preparation method thereof - Google Patents
Epoxy crack sealer composition and preparation method thereof Download PDFInfo
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- CN107353857B CN107353857B CN201710477861.2A CN201710477861A CN107353857B CN 107353857 B CN107353857 B CN 107353857B CN 201710477861 A CN201710477861 A CN 201710477861A CN 107353857 B CN107353857 B CN 107353857B
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- epoxy resin
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- 239000000203 mixture Substances 0.000 title claims abstract description 58
- 239000004593 Epoxy Substances 0.000 title claims abstract description 55
- 238000002360 preparation method Methods 0.000 title claims abstract description 25
- 239000003822 epoxy resin Substances 0.000 claims abstract description 51
- 229920000647 polyepoxide Polymers 0.000 claims abstract description 51
- 239000004841 bisphenol A epoxy resin Substances 0.000 claims abstract description 41
- 239000004721 Polyphenylene oxide Substances 0.000 claims abstract description 38
- 150000001412 amines Chemical class 0.000 claims abstract description 38
- 229920000570 polyether Polymers 0.000 claims abstract description 38
- 239000002994 raw material Substances 0.000 claims abstract description 29
- IISBACLAFKSPIT-UHFFFAOYSA-N bisphenol A Chemical class C=1C=C(O)C=CC=1C(C)(C)C1=CC=C(O)C=C1 IISBACLAFKSPIT-UHFFFAOYSA-N 0.000 claims abstract description 26
- 239000003242 anti bacterial agent Substances 0.000 claims abstract description 22
- 239000003963 antioxidant agent Substances 0.000 claims abstract description 21
- 230000003078 antioxidant effect Effects 0.000 claims abstract description 21
- 239000002270 dispersing agent Substances 0.000 claims abstract description 20
- 239000000049 pigment Substances 0.000 claims abstract description 19
- GSEJCLTVZPLZKY-UHFFFAOYSA-N Triethanolamine Chemical compound OCCN(CCO)CCO GSEJCLTVZPLZKY-UHFFFAOYSA-N 0.000 claims abstract description 18
- 230000002745 absorbent Effects 0.000 claims abstract description 13
- 239000002250 absorbent Substances 0.000 claims abstract description 13
- 239000012745 toughening agent Substances 0.000 claims abstract description 13
- 125000002723 alicyclic group Chemical group 0.000 claims abstract description 12
- 239000000945 filler Substances 0.000 claims abstract description 11
- -1 alicyclic amine Chemical class 0.000 claims abstract description 8
- 239000003085 diluting agent Substances 0.000 claims abstract description 7
- 238000003756 stirring Methods 0.000 claims description 69
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 claims description 64
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 36
- 229910000019 calcium carbonate Inorganic materials 0.000 claims description 32
- 229910021485 fumed silica Inorganic materials 0.000 claims description 32
- 238000002156 mixing Methods 0.000 claims description 28
- UAEPNZWRGJTJPN-UHFFFAOYSA-N methylcyclohexane Chemical compound CC1CCCCC1 UAEPNZWRGJTJPN-UHFFFAOYSA-N 0.000 claims description 22
- 241000276489 Merlangius merlangus Species 0.000 claims description 18
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 18
- 239000010703 silicon Substances 0.000 claims description 18
- 229910052710 silicon Inorganic materials 0.000 claims description 18
- RNLHGQLZWXBQNY-UHFFFAOYSA-N 3-(aminomethyl)-3,5,5-trimethylcyclohexan-1-amine Chemical compound CC1(C)CC(N)CC(C)(CN)C1 RNLHGQLZWXBQNY-UHFFFAOYSA-N 0.000 claims description 17
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 claims description 16
- 229910052791 calcium Inorganic materials 0.000 claims description 16
- 239000011575 calcium Substances 0.000 claims description 16
- GYNNXHKOJHMOHS-UHFFFAOYSA-N methyl-cycloheptane Natural products CC1CCCCCC1 GYNNXHKOJHMOHS-UHFFFAOYSA-N 0.000 claims description 11
- 239000006097 ultraviolet radiation absorber Substances 0.000 claims description 8
- 239000004814 polyurethane Substances 0.000 claims description 6
- 229920002635 polyurethane Polymers 0.000 claims description 6
- 239000000126 substance Substances 0.000 claims description 6
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical group [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 claims description 3
- 238000000034 method Methods 0.000 claims description 3
- 239000004332 silver Substances 0.000 claims description 3
- 229910052709 silver Inorganic materials 0.000 claims description 3
- 239000009261 D 400 Substances 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 claims description 2
- 239000000377 silicon dioxide Substances 0.000 claims description 2
- 235000012239 silicon dioxide Nutrition 0.000 claims description 2
- 238000005034 decoration Methods 0.000 abstract description 6
- 238000005336 cracking Methods 0.000 abstract description 5
- 230000002045 lasting effect Effects 0.000 abstract description 5
- 238000007789 sealing Methods 0.000 abstract description 4
- 238000009434 installation Methods 0.000 abstract description 2
- 239000004033 plastic Substances 0.000 abstract description 2
- 229920003023 plastic Polymers 0.000 abstract description 2
- 238000004383 yellowing Methods 0.000 abstract description 2
- 230000007613 environmental effect Effects 0.000 abstract 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract 1
- WVDDGKGOMKODPV-UHFFFAOYSA-N Benzyl alcohol Chemical compound OCC1=CC=CC=C1 WVDDGKGOMKODPV-UHFFFAOYSA-N 0.000 description 87
- 235000019445 benzyl alcohol Nutrition 0.000 description 29
- QLBRROYTTDFLDX-UHFFFAOYSA-N [3-(aminomethyl)cyclohexyl]methanamine Chemical compound NCC1CCCC(CN)C1 QLBRROYTTDFLDX-UHFFFAOYSA-N 0.000 description 8
- 238000005201 scrubbing Methods 0.000 description 5
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical group O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 4
- 150000001875 compounds Chemical class 0.000 description 4
- 238000010276 construction Methods 0.000 description 4
- 229910052573 porcelain Inorganic materials 0.000 description 4
- 239000003795 chemical substances by application Substances 0.000 description 3
- 230000000052 comparative effect Effects 0.000 description 3
- 239000011353 cycloaliphatic epoxy resin Substances 0.000 description 3
- 239000004599 antimicrobial Substances 0.000 description 2
- 238000004132 cross linking Methods 0.000 description 2
- 229920000642 polymer Polymers 0.000 description 2
- 229920005989 resin Polymers 0.000 description 2
- 239000011347 resin Substances 0.000 description 2
- 239000004408 titanium dioxide Substances 0.000 description 2
- 230000000844 anti-bacterial effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification 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
- C09J11/02—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
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/02—Elements
- C08K3/08—Metals
- C08K2003/0806—Silver
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/24—Acids; Salts thereof
- C08K3/26—Carbonates; Bicarbonates
- C08K2003/265—Calcium, strontium or barium carbonate
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
- C08L2205/025—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group containing two or more polymers of the same hierarchy C08L, and differing only in parameters such as density, comonomer content, molecular weight, structure
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
- C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Epoxy Resins (AREA)
- Sealing Material Composition (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
The invention relates to an epoxy crack sealer composition and a preparation method thereof. The epoxy crack sealer composition comprises a component A and a component B; the component A comprises the following raw materials: epoxy resin, a toughening agent, a diluent, a dispersing agent, a filler, an antibacterial agent, a pigment, an ultraviolet absorbent and an antioxidant; the epoxy resin is at least two of bisphenol A epoxy resin, hydrogenated bisphenol A epoxy resin and modified alicyclic epoxy resin; the component B comprises the following raw materials: polyether amine, alicyclic amine, triethanolamine, diluent and filler. The epoxy crack sealer composition has excellent comprehensive performances of good bonding fixation, good toughness, cracking resistance, porcelain-like brightness, lasting and efficient bacteriostasis and mildew resistance, water resistance, sealing, good yellowing resistance, environmental friendliness, accordance with indoor decoration standards and the like. The water-proof and moisture-proof plastic is suitable for the installation of high-end kitchen and bathroom sanitary wares, the waterproof and moisture-proof performance, the mildew-proof sealing performance, the decoration of high-grade hotels, guesthouses, families and other places.
Description
Technical Field
The invention relates to a crack sealer, in particular to an epoxy crack sealer composition and a preparation method thereof.
Background
The crack sealer is an upgraded product of the crack sealer, can be directly added into gaps of tiles after the tiles are bonded, and has decoration and practicability obviously superior to those of the traditional crack sealer.
China Guangdong, Zhejiang, Shandong and Liaoning are all production bathroom bases, a large number of products are exported every year, and high-performance seam beautifying agents can be used as matching materials of the bathroom bases. In recent years, the rapid development of domestic real estate drives the construction of high-grade hotels, and with the increase of income of residents and the rise of travel enthusiasm, the domestic travel industry develops rapidly, and the number of the construction of vacation hotels and vacation villages is increased day by day. Therefore, the high-performance crack sealer which is designed and developed aiming at the decoration of high-grade kitchens, bathrooms, high-grade hotels and home decorations and has the advantages of bonding fixation, good toughness, cracking resistance, brightness like porcelain (scrubbing resistance), lasting and efficient bacteriostasis and mildew resistance (the mildew resistance grade (GB/T1741-.
Disclosure of Invention
Based on the above, the epoxy crack sealer composition has excellent comprehensive performances such as bonding fixation, good toughness, cracking resistance, brightness like porcelain (scrubbing resistance), lasting and efficient bacteriostasis and mildew resistance (mildew resistance grade (GB/T1741-.
An epoxy crack sealer composition comprises a component A and a component B;
the component A comprises the following raw materials in parts by weight:
the sum of the raw materials in the component A is 100 parts; the epoxy resin is at least two of bisphenol A epoxy resin, hydrogenated bisphenol A epoxy resin and alicyclic epoxy resin;
the component B comprises the following raw materials in parts by weight:
the sum of the raw materials in the component B is 100 parts.
In one embodiment, the epoxy resin is in a weight ratio of 30-40: 10-20 of bisphenol A epoxy resin and hydrogenated bisphenol A epoxy resin; or the like, or, alternatively,
bisphenol A type epoxy resin, hydrogenated bisphenol A type epoxy resin and alicyclic epoxy resin in a weight ratio of 40-55:15-18: 5-10.
In one embodiment, the epoxy resin is mixed with the epoxy resin in a weight ratio of 36-40: 16-20 bisphenol A epoxy resin and hydrogenated bisphenol A epoxy resin.
In one embodiment, the toughening agent is one or more of a KH-07 series toughening agent and a polyurethane modified epoxy resin. The polyurethane modified epoxy resin is a flexible epoxy resin, such as SL3411, SL3412, SL3421, SL3453, SL3503, SL3803 of Shilin Polymer Co., Ltd, or DER791, XZ92466.00, XZ92465.00 of Dow chemical.
In one embodiment, the epoxy equivalent weight of the toughening agent is 255-275, and the viscosity is 28000-3400 mPa-s.
In one embodiment, the polyetheramine is two or more of D-230, D-400, D-2000; the alicyclic amine is two or more of isophorone diamine, 1, 3-diamine methylcyclohexane and R-3618.
In one embodiment, in the component a, the filler comprises a mixture of, by weight, 2-10: 1-12: 2-10: 1-9 parts of nano calcium carbonate, silicon micropowder, coarse whiting and gas-phase silicon dioxide;
in the component B, the filler comprises the following components in a weight ratio of 1-9: 20-30: 2-18 parts of fumed silica, nano calcium carbonate and heavy calcium.
In one embodiment, the silicon micropowder, the coarse whiting and the fumed silica are drying type active silicon micropowder, coarse whiting and fumed silica.
In one embodiment, the ultraviolet absorbent is one or more of UV196, UV-40, UV-9; the antioxidant is V73-P.
In one embodiment, the dispersant is BYK chemical BYK-2151, 2070, P104S.
In one embodiment, the antimicrobial agent is a silver antimicrobial agent.
In one embodiment, the pigment is titanium dioxide.
In one embodiment, the diluents in the A component and the B component are benzyl alcohol.
The invention also provides a preparation method of the epoxy crack sealer composition, which comprises the following steps:
preparation of component A:
stirring and mixing the epoxy resin, the toughening agent and the diluent according to a proportion; then adding the filler, the pigment, the dispersing agent, the antibacterial agent, the antioxidant and the ultraviolet absorbent, stirring and mixing, and vacuumizing the obtained mixture for 30-60 min; obtaining the component A;
preparation of the component B:
stirring and mixing the polyether amine, the alicyclic amine, the triethanolamine, the diluent and the filler in proportion, and vacuumizing the obtained mixture for 30-60 min; and obtaining the component B.
In one embodiment, the stirring speed is 1500-3000 r/min, and the time is 20-30 min.
The principle and advantages of the invention are as follows:
firstly, the invention adopts a flexible epoxy resin compound system of at least two of bisphenol A epoxy resin, hydrogenated bisphenol A epoxy resin and alicyclic epoxy resin as a resin component, combines a macromolecular curing agent polyether amine toughening epoxy resin containing a flexible chain segment, the flexible chain segment can be bonded into a compact epoxy resin crosslinking network, and simultaneously adopts triethanolamine as a curing accelerator, so that a compact and loose alternate two-phase network structure can be formed in the curing process, the crosslinking degree of the system is reduced, and the epoxy crack sealer composition with adjustable toughness and scrubbing resistance is formed;
secondly, the flexible epoxy resin compound system is matched with alicyclic amine, and functional auxiliaries such as an antioxidant, an ultraviolet absorbent, an antibacterial agent and the like are added, so that the functional auxiliaries can be uniformly dispersed in the two-phase network structure in the curing process, and the yellowing resistance and the antibacterial and mildewproof effects of the epoxy crack sealer composition are obviously improved.
Based on the epoxy crack sealer composition, the epoxy crack sealer composition is reasonably prepared from the raw materials, and has excellent comprehensive performances of good bonding fixation, good toughness, cracking resistance, brightness like porcelain (scrubbing resistance), lasting and efficient bacteriostasis and mildew resistance (mildew resistance grade (GB/T1741-.
Compared with the prior art, the invention has the following beneficial effects:
according to the invention, a flexible epoxy resin compound system of at least two of bisphenol A epoxy resin, hydrogenated bisphenol A epoxy resin and alicyclic epoxy resin is adopted as a resin component, polyether amine and alicyclic amine are combined to be used as curing agents, and the raw materials are reasonably prepared to form the epoxy crack sealer composition, so that the prepared epoxy crack sealer composition has the advantages of good bonding fixity, good toughness, cracking resistance, brightness like porcelain (scrubbing resistance), lasting and efficient bacteriostasis and mildew resistance (mildew resistance grade (GB/T1741-. The water-proof and moisture-proof plastic is suitable for the installation of high-end kitchen and bathroom sanitary wares, the waterproof and moisture-proof performance, the mildew-proof sealing performance, the decoration of high-grade hotels, guesthouses, families and other places.
The invention further optimizes the types of components such as a toughening agent, a filler and the like in the epoxy crack sealer composition, and the components are matched with the flexible epoxy resin compound system, so that the strength, the waterproof sealing property and the construction performance of the epoxy crack sealer composition can be further improved.
The preparation method of the epoxy crack sealer composition is simple to operate and convenient for industrial application.
Detailed Description
The epoxy caulking composition and the preparation method thereof according to the present invention will be described in further detail with reference to specific examples.
The bisphenol A epoxy resin adopted in the embodiment of the invention is purchased from south Asia epoxy resin (Kunshan) Co., Ltd, and the model is CYD-128;
hydrogenated bisphenol a epoxy resin, available from hansen HEXION, usa, model number EPONEX 1510;
the alicyclic epoxy resin is a modified alicyclic epoxy resin, and is available from Nippon Daiiol chemical industry Co., Ltd, and has the model number of CEL 2021P;
the polyurethane modified epoxy resin is a flexible epoxy resin (toughening agent) which is purchased from Shilin polymer Co., Ltd, and has the models of SL3411 and SL3412, the epoxy equivalent (g/eq) is 255-275, and the viscosity (25 ℃) is 28000-3400mPa & s;
the polyurethane modified epoxy resin is flexible epoxy resin (toughening agent) which is purchased from Dow chemical, has the model number of DER791, the epoxy equivalent (g/eq) of 255-275 and the viscosity (25 ℃) of 28000-3400mPa & s;
the isophorone diamine is modified isophorone diamine, is purchased from Germany Yingchuangdegasi and has the model of IPDA;
the 1, 3-diamine methylcyclohexane is modified 1, 3-diamine methylcyclohexane which is purchased from Mitsubishi Japan and has the model number of 1, 3-BAC; r-3618 alicyclic amine, available from Ruiqi chemical Co., Ltd, Guangzhou;
the dispersant is one of BYK-2151, 2070 and P104S available from Bike chemical;
the ultraviolet absorbent is one of UV196, UV-40 and UV-9;
the antibacterial agent is silver antibacterial agent;
the pigment is titanium dioxide;
the antioxidant is V73-P.
Example 1
The embodiment relates to an epoxy crack sealer composition, which comprises a component A and a component B;
the component A comprises the following raw materials in parts by weight:
bisphenol a type epoxy resin (CYD-128): 32 portions of
Hydrogenated bisphenol a epoxy resin: 13 portions of
DER 791: 5 portions of
Benzyl alcohol: 6 portions of
Nano calcium carbonate: 7 portions of
Silicon micropowder: 8 portions of
Heavy calcium: 7 portions of
Fumed silica: 9 portions of
Dispersing agent: 1 part of
Antibacterial agents: 1.9 parts of
Antioxidant: 0.01 part
Ultraviolet absorber: 0.09 part
Pigment: 10 parts.
The component B comprises the following raw materials in parts by weight:
polyether amine D230: 7 portions of
Polyether amine D2000: 6 portions of
R-3618: 6 portions of
Modified 1, 3-diaminomethylcyclohexane: 15 portions of
Triethanolamine: 3 portions of
Benzyl alcohol: 8 portions of
Nano calcium carbonate: 28 portions of
Heavy calcium: 18 portions of
Fumed silica: 9 parts.
The preparation method of the component A in the epoxy crack sealer composition comprises the following steps:
(a) respectively adding bisphenol A epoxy resin (CYD-128), hydrogenated bisphenol A epoxy resin, DER791 and benzyl alcohol into a planetary stirrer in proportion, and stirring at high speed to mix uniformly;
(b) adding nano calcium carbonate, silicon micropowder, coarse whiting, pigment and fumed silica, stirring at high speed, and mixing;
(c) adding dispersant, antibacterial agent, antioxidant and ultraviolet absorbent, stirring at high speed, and mixing;
(d) stirring, vacuumizing for 30-60min, and controlling vacuum degree not higher than-0.1 Mpa to obtain component A.
The stirring speed is 1500-3000 r/min, and the time is 25 min.
The preparation method of the component B in the epoxy crack sealer composition comprises the following steps:
(a) respectively adding the polyether amine D230, the polyether amine D2000, the R-3618, the modified 1, 3-diamine methylcyclohexane, the triethanolamine and the benzyl alcohol into a planetary stirrer in proportion, and stirring at a high speed to mix uniformly;
(b) adding nano calcium carbonate, coarse whiting and fumed silica, stirring at high speed, and mixing;
(c) stirring, and vacuumizing for 30-60min, wherein the vacuum degree is not higher than-0.1 Mpa, thus obtaining the component B.
The stirring speed is 1500-3000 r/min, and the time is 25 min.
Example 2
The embodiment relates to an epoxy crack sealer composition, which comprises a component A and a component B;
the component A comprises the following raw materials in parts by weight:
bisphenol a type epoxy resin (CYD-128): 35 portions of
Hydrogenated bisphenol a epoxy resin: 15 portions of
DER 791: 7 portions of
SL 3411: 8 portions of
Benzyl alcohol: 6 portions of
Nano calcium carbonate: 5 portions of
Silicon micropowder: 5 portions of
Heavy calcium: 5 portions of
Fumed silica: 6 portions of
Dispersing agent: 1 part of
Antibacterial agents: 1.9 parts of
Antioxidant: 0.02 portion
Ultraviolet absorber: 0.08 portion of
Pigment: 5 parts of the raw materials.
The component B comprises the following raw materials in parts by weight:
polyether amine D230: 7 portions of
Polyether amine D2000: 6 portions of
Modified isophorone diamine: 6 portions of
Modified 1, 3-diaminomethylcyclohexane: 15 portions of
Triethanolamine: 3 portions of
Benzyl alcohol: 8 portions of
Nano calcium carbonate: 28 portions of
Heavy calcium: 18 portions of
Fumed silica: 9 parts.
The preparation method of the component A in the epoxy crack sealer composition comprises the following steps:
(a) respectively adding bisphenol A epoxy resin (CYD-128), hydrogenated bisphenol A epoxy resin, DER791 and SL3411 benzyl alcohol into a planetary stirrer in proportion, and stirring at high speed to mix uniformly;
(b) adding nano calcium carbonate, silicon micropowder, coarse whiting, pigment and fumed silica, stirring at high speed, and mixing;
(c) adding dispersant, antibacterial agent, antioxidant and ultraviolet absorbent, stirring at high speed, and mixing;
(d) stirring, vacuumizing for 30-60min, and controlling vacuum degree not higher than-0.1 Mpa to obtain component A.
The stirring speed is 1500-3000 r/min, and the time is 25 min.
The preparation method of the component B in the epoxy crack sealer composition comprises the following steps:
(a) respectively adding the polyether amine D230, the polyether amine D2000, the modified isophorone diamine, the modified 1, 3-diamine methyl cyclohexane, the triethanolamine and the benzyl alcohol into a planetary stirrer in proportion, and stirring at a high speed to mix uniformly;
(b) adding nano calcium carbonate, coarse whiting and fumed silica, stirring at high speed, and mixing;
(c) stirring, and vacuumizing for 30-60min, wherein the vacuum degree is not higher than-0.1 Mpa, thus obtaining the component B.
The stirring speed is 1500-3000 r/min, and the time is 25 min.
Example 3
The embodiment relates to an epoxy crack sealer composition, which comprises a component A and a component B;
the component A comprises the following raw materials in parts by weight:
bisphenol a type epoxy resin (CYD-128): 38 portions of
Hydrogenated bisphenol a epoxy resin: 18 portions of
DER 791: 5 portions of
SL 3411: 5 portions of
Benzyl alcohol: 4 portions of
Nano calcium carbonate: 4 portions of
Silicon micropowder: 5 portions of
Heavy calcium: 5 portions of
Fumed silica: 6 portions of
Dispersing agent: 1 part of
Antibacterial agents: 1.9 parts of
Antioxidant: 0.01 part
Ultraviolet absorber: 0.09 part
Pigment: 7 parts.
The component B comprises the following raw materials in parts by weight:
polyether amine D400: 8 portions of
Polyether amine D2000: 6 portions of
Modified isophorone diamine: 6
Modified 1, 3-diaminomethylcyclohexane: 15 portions of
Triethanolamine: 3 portions of
Benzyl alcohol: 8 portions of
Nano calcium carbonate: 27 portions of
Heavy calcium: 18 portions of
Fumed silica: 9 parts.
The preparation method of the component A in the epoxy crack sealer composition comprises the following steps:
(a) respectively adding bisphenol A epoxy resin (CYD-128), hydrogenated bisphenol A epoxy resin, DER791, SL3411 and benzyl alcohol into a planetary stirrer in proportion, and stirring at high speed to mix uniformly;
(b) adding nano calcium carbonate, silicon micropowder, coarse whiting, pigment and fumed silica, stirring at high speed, and mixing;
(c) adding dispersant, antibacterial agent, antioxidant and ultraviolet absorbent, stirring at high speed, and mixing;
(d) stirring, vacuumizing for 30-60min, and controlling vacuum degree not higher than-0.1 Mpa to obtain component A.
The stirring speed is 1500-3000 r/min, and the time is 25 min.
The preparation method of the component B in the epoxy crack sealer composition comprises the following steps:
(a) respectively adding the polyether amine D400, the polyether amine D2000, the modified isophorone diamine, the modified 1, 3-diamine methyl cyclohexane, the triethanolamine and the benzyl alcohol into a planetary stirrer in proportion, and stirring at a high speed to mix uniformly;
(b) adding nano calcium carbonate, coarse whiting and fumed silica, stirring at high speed, and mixing;
(c) stirring, and vacuumizing for 30-60min, wherein the vacuum degree is not higher than-0.1 Mpa, thus obtaining the component B.
The stirring speed is 1500-3000 r/min, and the time is 25 min.
Example 4
The embodiment relates to an epoxy crack sealer composition, which comprises a component A and a component B;
the component A comprises the following raw materials in parts by weight:
bisphenol a type epoxy resin (CYD-128): 40 portions of
Hydrogenated bisphenol a epoxy resin: 18 portions of
Modified cycloaliphatic epoxy resin: 5 portions of
SL 3412: 6 portions of
Benzyl alcohol: 5 portions of
Nano calcium carbonate: 4 portions of
Silicon micropowder: 4 portions of
Heavy calcium: 2 portions of
Fumed silica: 3 portions of
Dispersing agent: 1 part of
Antibacterial agents: 1.9 parts of
Antioxidant: 0.01 part
Ultraviolet absorber: 0.09 part
Pigment: 10 parts.
The component B comprises the following raw materials in parts by weight:
polyether amine D230: 4 portions of
Polyether amine D2000: 5 portions of
Modified isophorone diamine: 4 portions of
R-3618: 3 portions of
Modified 1, 3-diaminomethylcyclohexane: 19 portions of
Triethanolamine: 2 portions of
Benzyl alcohol: 10 portions of
Nano calcium carbonate: 30 portions of
Heavy calcium: 15 portions of
Fumed silica: 8 parts.
The preparation method of the component A in the epoxy crack sealer composition comprises the following steps:
(a) respectively adding bisphenol A epoxy resin (CYD-128), hydrogenated bisphenol A epoxy resin, modified alicyclic epoxy resin, SL3412 and benzyl alcohol into a planetary stirrer in proportion, and stirring at high speed to mix uniformly;
(b) adding nano calcium carbonate, silicon micropowder, coarse whiting, pigment and fumed silica, stirring at high speed, and mixing;
(c) adding dispersant, antibacterial agent, antioxidant and ultraviolet absorbent, stirring at high speed, and mixing;
(d) stirring, vacuumizing for 30-60min, and controlling vacuum degree not higher than-0.1 Mpa to obtain component A.
The stirring speed is 1500-3000 r/min, and the time is 25 min.
The preparation method of the component B in the epoxy crack sealer composition comprises the following steps:
(a) respectively adding polyether amine D230, polyether amine D2000, modified isophorone diamine, R-3618, modified 1, 3-diamine methyl cyclohexane, triethanolamine and benzyl alcohol into a planetary stirrer according to a proportion, and stirring at a high speed to mix uniformly;
(b) adding nano calcium carbonate, coarse whiting and fumed silica, stirring at high speed, and mixing;
(c) stirring, and vacuumizing for 30-60min, wherein the vacuum degree is not higher than-0.1 Mpa, thus obtaining the component B.
The stirring speed is 1500-3000 r/min, and the time is 25 min.
Example 5
The embodiment relates to an epoxy crack sealer composition, which comprises a component A and a component B;
the component A comprises the following raw materials in parts by weight:
bisphenol a type epoxy resin (CYD-128): 50 portions of
Hydrogenated bisphenol a epoxy resin: 18 portions of
Modified cycloaliphatic epoxy resin: 5
SL 3411: 4 portions of
Benzyl alcohol: 3 portions of
Nano calcium carbonate: 2 portions of
Silicon micropowder: 1 part of
Heavy calcium: 3 portions of
Fumed silica: 4 portions of
Dispersing agent: 1 part of
Antibacterial agents: 1.9 parts of
Antioxidant: 0.01 part
Ultraviolet absorber: 0.09 part
Pigment: 7 parts.
The component B comprises the following raw materials in parts by weight:
polyether amine D230: 4 portions of
Polyether amine D2000: 5 portions of
Modified isophorone diamine: 4 portions of
R-3618: 3 portions of
Modified 1, 3-diaminomethylcyclohexane: 19 portions of
Triethanolamine: 2 portions of
Benzyl alcohol: 10 portions of
Nano calcium carbonate: 30 portions of
Heavy calcium: 16 portions of
Fumed silica: 7 parts.
The preparation method of the component A in the epoxy crack sealer composition comprises the following steps:
(a) respectively adding bisphenol A epoxy resin (CYD-128), hydrogenated bisphenol A epoxy resin, modified alicyclic epoxy resin, SL3411 and benzyl alcohol into a planetary stirrer in proportion, and stirring at high speed to mix uniformly;
(b) adding nano calcium carbonate, silicon micropowder, coarse whiting, pigment and fumed silica, stirring at high speed, and mixing;
(c) adding dispersant, antibacterial agent, antioxidant and ultraviolet absorbent, stirring at high speed, and mixing;
(d) stirring, vacuumizing for 30-60min, and controlling vacuum degree not higher than-0.1 Mpa to obtain component A.
The stirring speed is 1500-3000 r/min, and the time is 25 min.
The preparation method of the component B in the epoxy crack sealer composition comprises the following steps:
(a) respectively adding polyether amine D230, polyether amine D2000, modified isophorone diamine, R-3618, modified 1, 3-diamine methyl cyclohexane, triethanolamine and benzyl alcohol into a planetary stirrer according to a proportion, and stirring at a high speed to mix uniformly;
(b) adding nano calcium carbonate, coarse whiting and fumed silica, stirring at high speed, and mixing;
(c) stirring, and vacuumizing for 30-60min, wherein the vacuum degree is not higher than-0.1 Mpa, thus obtaining the component B.
The stirring speed is 1500-3000 r/min, and the time is 25 min.
Example 6
The embodiment relates to an epoxy crack sealer composition, which comprises a component A and a component B;
the component A comprises the following raw materials in parts by weight:
bisphenol a type epoxy resin (CYD-128): 55 portions of
Hydrogenated bisphenol a epoxy resin: 15 portions of
Modified cycloaliphatic epoxy resin: 10 portions of
SL 3412: 4 portions of
Benzyl alcohol: 1 part of
Nano calcium carbonate: 2 portions of
Silicon micropowder: 1 part of
Heavy calcium: 2 portions of
Fumed silica: 2 portions of
Dispersing agent: 1 part of
Antibacterial agents: 1.9 parts of
Antioxidant: 0.01 part
Ultraviolet absorber: 0.09 part
Pigment: 5 parts of the raw materials.
The component B comprises the following raw materials in parts by weight:
polyether amine D230: 6 portions of
Polyether amine D400: 5 portions of
Polyether amine D2000: 5 portions of
Modified isophorone diamine: 4 portions of
R-3618: 3 portions of
Modified 1, 3-diaminomethylcyclohexane: 20 portions of
Triethanolamine: 2 portions of
Benzyl alcohol: 8 portions of
Nano calcium carbonate: 24 portions of
Heavy calcium: 14 portions of
Fumed silica: 9 parts.
The preparation method of the component A in the epoxy crack sealer composition comprises the following steps:
(a) respectively adding bisphenol A epoxy resin (CYD-128), hydrogenated bisphenol A epoxy resin, modified alicyclic epoxy resin, SL3412 and benzyl alcohol into a planetary stirrer in proportion, and stirring at high speed to mix uniformly;
(b) adding nano calcium carbonate, silicon micropowder, coarse whiting, pigment and fumed silica, stirring at high speed, and mixing;
(c) adding dispersant, antibacterial agent, antioxidant and ultraviolet absorbent, stirring at high speed, and mixing;
(d) stirring, vacuumizing for 30-60min, and controlling vacuum degree not higher than-0.1 Mpa to obtain component A.
The stirring speed is 1500-3000 r/min, and the time is 25 min.
The preparation method of the component B in the epoxy crack sealer composition comprises the following steps:
(a) respectively adding the polyether amine D230, the polyether amine D400, the polyether amine D2000, the modified isophorone diamine, the R-3618, the modified 1, 3-diamine methylcyclohexane, the triethanolamine and the benzyl alcohol into a planetary stirrer in proportion, and stirring at a high speed to mix uniformly;
(b) adding nano calcium carbonate, coarse whiting and fumed silica, stirring at high speed, and mixing;
(c) stirring, and vacuumizing for 30-60min, wherein the vacuum degree is not higher than-0.1 Mpa, thus obtaining the component B.
Comparative example
The comparative example is an epoxy crack sealer composition, which comprises a component A and a component B;
the component A comprises the following raw materials in parts by weight:
bisphenol a type epoxy resin (CYD-128): 61 portions of
Benzyl alcohol: 3 portions of
Nano calcium carbonate: 5 portions of
Silicon micropowder: 6 portions of
Heavy calcium: 8 portions of
Fumed silica: 9 portions of
Dispersing agent: 1 part of
Antibacterial agents: 1.9 parts of
Antioxidant: 0.01 part
Ultraviolet absorber: 0.09 part
Pigment: 5 parts of the raw materials.
The component B comprises the following raw materials in parts by weight:
polyether amine D230: 6 portions of
Polyether amine D400: 5 portions of
Polyether amine D2000: 5 portions of
Modified isophorone diamine: 4 portions of
R-3618: 3 portions of
Modified 1, 3-diaminomethylcyclohexane: 20 portions of
Triethanolamine: 2 portions of
Benzyl alcohol: 8 portions of
Nano calcium carbonate: 24 portions of
Heavy calcium: 14 portions of
Fumed silica: 9 parts.
The preparation method of the component A in the epoxy crack sealer composition comprises the following steps:
(a) respectively adding bisphenol A epoxy resin (CYD-128) and benzyl alcohol into a planetary stirrer in proportion, and stirring at high speed to mix uniformly;
(b) adding nano calcium carbonate, silicon micropowder, coarse whiting, pigment and fumed silica, stirring at high speed, and mixing;
(c) adding dispersant, antibacterial agent, antioxidant and ultraviolet absorbent, stirring at high speed, and mixing;
(d) stirring, vacuumizing for 30-60min, and controlling vacuum degree not higher than-0.1 Mpa to obtain component A.
The stirring speed is 1500-3000 r/min, and the time is 25 min.
The preparation method of the component B in the epoxy crack sealer composition comprises the following steps:
(a) respectively adding the polyether amine D230, the polyether amine D400, the polyether amine D2000, the modified isophorone diamine, the R-3618, the modified 1, 3-diamine methylcyclohexane, the triethanolamine and the benzyl alcohol into a planetary stirrer in proportion, and stirring at a high speed to mix uniformly;
(b) adding nano calcium carbonate, coarse whiting and fumed silica, stirring at high speed, and mixing;
(c) stirring, and vacuumizing for 30-60min, wherein the vacuum degree is not higher than-0.1 Mpa, thus obtaining the component B.
Construction was carried out using the epoxy caulk compositions of examples 1 to 6 and comparative example: and uniformly mixing the component A and the component B according to the weight ratio of 1:1, and curing for 7 days.
The performance index is shown in table 1.
TABLE 1
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 shall be subject to the appended claims.
Claims (10)
1. An epoxy crack sealer composition is characterized by comprising a component A and a component B;
the component A comprises the following raw materials in parts by weight:
the sum of the raw materials in the component A is 100 parts;
the epoxy resin is bisphenol A epoxy resin and hydrogenated bisphenol A epoxy resin; or the like, or, alternatively,
the epoxy resin is bisphenol A epoxy resin, hydrogenated bisphenol A epoxy resin and alicyclic epoxy resin;
the toughening agent is one or more of KH-07 series toughening agents and polyurethane modified epoxy resin;
the component B comprises the following raw materials in parts by weight:
the sum of the raw materials in the component B is 100 parts;
the polyether amine is two or more of D-230, D-400 and D-2000;
the alicyclic amine is two or more of isophorone diamine, 1, 3-diamine methylcyclohexane and R-3618;
in the component A, the filler comprises the following components in a weight ratio of 2-10: 1-12: 2-10: 1-9 parts of nano calcium carbonate, silicon micropowder, coarse whiting and gas-phase silicon dioxide;
in the component B, the filler comprises the following components in a weight ratio of 1-9: 20-30: 2-18 parts of fumed silica, nano calcium carbonate and heavy calcium.
2. The epoxy crack sealer composition according to claim 1, wherein the epoxy resin is a mixture of 30-40: 10-20 of bisphenol A epoxy resin and hydrogenated bisphenol A epoxy resin.
3. The epoxy crack sealer composition according to claim 1, wherein the epoxy resin is a mixture of the epoxy resin and the epoxy resin in a weight ratio of 40-55:15-18:5-10 of bisphenol A epoxy resin, hydrogenated bisphenol A epoxy resin and alicyclic epoxy resin.
4. The epoxy crack sealer composition of claim 1, wherein the toughening agent is a polyurethane modified epoxy resin.
5. The epoxy crack sealer composition of claim 1, wherein the toughening agent has an epoxy equivalent weight of 255-.
6. The epoxy caulking composition according to claim 1, wherein the dispersant is BYK chemical BYK-2151, 2070 or P104S.
7. The epoxy crack sealer composition according to any one of claims 1 to 6, wherein the ultraviolet absorber is one or more of UV196, UV-40, UV-9; the antioxidant is V73-P.
8. The epoxy caulking composition according to any one of claims 1 to 6, wherein the antibacterial agent is a silver antibacterial agent.
9. A process for preparing an epoxy caulk composition according to any one of claims 1 to 8, comprising the steps of:
preparation of component A:
stirring and mixing the epoxy resin, the toughening agent and the diluent according to a proportion; then adding the filler, the pigment, the dispersing agent, the antibacterial agent, the antioxidant and the ultraviolet absorbent, stirring and mixing, and vacuumizing the obtained mixture for 30-60 min; obtaining the component A;
preparation of the component B:
stirring and mixing the polyether amine, the alicyclic amine, the triethanolamine, the diluent and the filler in proportion, and vacuumizing the obtained mixture for 30-60 min; and obtaining the component B.
10. The method for preparing the epoxy crack sealer composition as claimed in claim 9, wherein the stirring speed is 1500-3000 r/min, and the time is 20-30 min.
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| JP7459861B2 (en) | 2019-03-06 | 2024-04-02 | 三菱瓦斯化学株式会社 | Epoxy resin composition, cured product thereof, and fiber-reinforced composite material |
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