CN106634731A - Rapid-curing sealing glue and preparation method thereof - Google Patents
Rapid-curing sealing glue and preparation method thereof Download PDFInfo
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- CN106634731A CN106634731A CN201510724525.4A CN201510724525A CN106634731A CN 106634731 A CN106634731 A CN 106634731A CN 201510724525 A CN201510724525 A CN 201510724525A CN 106634731 A CN106634731 A CN 106634731A
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Abstract
The present invention discloses a rapid-curing sealing glue, which comprises, by weight, 15-17 parts of hydroxyethyl methacrylate, 12-14 parts of ethylene dimethacrylate, 8-10 parts of poly methacrylate polylol, 18-20 parts of an epoxy resin, 6-8 parts of isocyanate ethyl acrylate, 10-12 parts of vinyl acetate, 5-7 parts of butyl acrylate, 6-8 parts of ethanol, 3-5 parts of N,N-methylene bisacrylamide, 6-8 parts of acrylic acid, 3-5 parts of hydroxyethyl acrylate, 3-5 parts of azobisisobutyronitrile, 2-2.4 parts of isopropyl alcohol, 3-3.6 parts of n-butanol, 4-4.8 parts of ethyl acetate, 1-1.2 parts of butanone, 2-3 parts of tetramethylene beta-(3,5-di-tert-butyl-4-hydroxybenzene)pentaerythritol propionate, and 0.8-1.2 parts of 2,(2'-hydroxy-3',5'-di-tert-butyl)phenyl-5-chlorobenzotriazole.
Description
Technical field
The invention belongs to fluid sealant technical field, more particularly to a kind of rapid curing fluid sealant and preparation method thereof.
Background technology
Fluid sealant is a kind of flowing or crowded indefinite form material, to fill up the joint of a closing, can rely on embedded drying, temperature
Degree change, solvent volatilization, is chemically crosslinked the stability of material, and progressively by solid gum, viscoelastic sexual behaviour or elaxtic seal
Shaping.In order to ensure sealing function, sealant should possess following basic characteristics：1. good pointing, storage stability is nontoxic
Or low toxicity；2. with other media hyposmosis；3. the seam of stretching motion, displacement and deformation can be resisted；4. by cyclic deformation
Joint, can guarantee that its performance and shape are recovered completely；5. enough strength bears pressure；6. in high temperature, low temperature is not crisp
Split and overbate；7. weatherability, not efflorescence, cracking, dismiss or excess shrinkage；8. specific occasion, concrete manifestation are applied to
There is wearability, puncture-resistant is corrosion-resistant, resistance to roll, inflammable, does not pollute, insulation or conduction etc..
Fluid sealant is as a kind of collection bonding and is sealed in one adhesive, belongs to the important selection sealed at gap.At gap
Fluid sealant require that there is quick-drying, good water resistance, excellent flexible restorative, good mechanical property and higher
Adhesive strength.Prior art, general fluid sealant cannot meet above-mentioned use requirement, longer especially in the presence of hardening time
Defect, needs to be improved.
The content of the invention
It is an object of the invention to overcome the deficiencies in the prior art, there is provided a kind of rapid curing fluid sealant, it is adaptable to which concrete is stretched
The filling and sealing of contracting seam, its good combination property.
A kind of rapid curing fluid sealant proposed by the present invention, the fluid sealant includes by weight following component：Methacrylic acid
Hydroxyl ethyl ester, 15～17；GDMA, 12～14；Many methacrylic polyol esters, 8～10；Asphalt mixtures modified by epoxy resin
Fat, 18～20；NCO ethyl acrylate, 6～8；Vinylacetate, 10～12；Butyl acrylate, 5～7；Second
Alcohol, 6～8；N, N- methylene-bisacrylamide, 3～5；Acrylic acid, 6～8；Hydroxy-ethyl acrylate, 3～5；Azo two is different
Fourth cyanogen, 3～5；Isopropanol, 2～2.4；N-butanol, 3～3.6；Ethyl acetate, 4～4.8；Butanone, 1～1.2；Four is sub-
Methyl β-(3,5 di-t-butyl -4- hydroxy benzenes) propionate, 2～3；2, (2 '-hydroxyl -3 ', 5 '-two uncles
Butyl) phenyl -5- chlorinated benzotriazoles, 0.8～1.2.
Preferably, the fluid sealant component is as follows by weight：Hydroxyethyl methacrylate, 16；Dimethacrylate second two
Alcohol ester, 13；Many methacrylic polyol esters, 9；Epoxy resin, 19；NCO ethyl acrylate, 7；Acetic acid second
Alkene ester, 11；Butyl acrylate, 6；Ethanol, 7；N, N- methylene-bisacrylamide, 4；Acrylic acid, 7；Acrylic acid hydroxyl second
Ester, 4；Azo-bis-isobutyl cyanide, 4；Isopropanol, 2.2；N-butanol, 3.2；Ethyl acetate, 4.6；Butanone, 1.2；Four is sub-
Methyl β-(3,5 di-t-butyl -4- hydroxy benzenes) propionate, 2.5；2, (2 '-hydroxyl -3 ', 5 '-two tertiary fourths
Base) phenyl -5- chlorinated benzotriazoles, 1.
Preferably, isopropanol, n-butanol, ethyl acetate, butanone keep increasing and decreasing in proportion.
Preferably, the fluid sealant component is as follows by weight：Hydroxyethyl methacrylate, 17；Dimethacrylate second two
Alcohol ester, 14；Many methacrylic polyol esters, 10；Epoxy resin, 20；NCO ethyl acrylate, 8；Acetic acid second
Alkene ester, 12；Butyl acrylate, 7；Ethanol, 8；N, N- methylene-bisacrylamide, 5；Acrylic acid, 8；Acrylic acid hydroxyl second
Ester, 5；Azo-bis-isobutyl cyanide, 5；Isopropanol, 2.4；N-butanol, 3.6；Ethyl acetate, 4.8；Butanone, 1.2；Four is sub-
Methyl β-(3,5 di-t-butyl -4- hydroxy benzenes) propionate, 3；2, (2 '-hydroxyl -3 ', 5 '-di-t-butyl)
Phenyl -5- chlorinated benzotriazoles, 1.2.
Preferably, the fluid sealant component is as follows by weight：Hydroxyethyl methacrylate, 15；Dimethacrylate second two
Alcohol ester, 12；Many methacrylic polyol esters, 8；Epoxy resin, 18；NCO ethyl acrylate, 6；Acetic acid second
Alkene ester, 10；Butyl acrylate, 5；Ethanol, 6；N, N- methylene-bisacrylamide, 3；Acrylic acid, 6；Acrylic acid hydroxyl second
Ester, 3；Azo-bis-isobutyl cyanide, 3；Isopropanol, 2；N-butanol, 3；Ethyl acetate, 4；Butanone, 1；Tetramethylene β-
(3,5 di-t-butyl -4- hydroxy benzenes) propionate, 2；2, (2 '-hydroxyl -3 ', 5 '-di-t-butyl) phenyl
- 5- chlorinated benzotriazoles, 0.8.
The invention allows for a kind of preparation method of rapid curing fluid sealant, is prepared according to the following steps：
S1：Each raw material is weighed by ratio of weight and the number of copies；
S2：Vinylacetate and ethanol are mixed, stirring is warming up to 72 DEG C～76 DEG C, by butyl acrylate, N, N- di-2-ethylhexylphosphine oxides
Acrylamide, acrylic acid, hydroxy-ethyl acrylate, azo-bis-isobutyl cyanide are slowly added to, and after addition is finished, are warming up to 78 DEG C～80 DEG C,
Insulation 6h～8h, is cooled to 50 DEG C, and discharging obtains polyacrylate；
S3：To in S2 obtain polyacrylate in, sequentially add hydroxyethyl methacrylate, GDMA,
Many methacrylic polyol esters, epoxy resin, NCO ethyl acrylate, are well mixed, and obtain base rubber；
S4：Isopropanol, n-butanol, ethyl acetate, butanone are mixed to form into mixed solvent；
S5：By the base rubber obtained in S3, tetramethylene β-(3,5 di-t-butyl -4- hydroxy benzenes) propionate, 2,
(2 '-hydroxyl -3 ', 5 '-di-t-butyl) phenyl -5- chlorinated benzotriazoles are added in the mixed solvent obtained in S4, fully
Uniform state is ground to, fluid sealant is obtained.
The present invention is alcohol-soluble monomer from vinylacetate, coordinates ethanol, acrylic acid, hydroxy-ethyl acrylate, and with N, N- is sub-
Bisacrylamide is crosslinked, and by initiator of azo-bis-isobutyl cyanide polyacrylate is synthesized, and improves the viscosity of polymer,
So as to the adhesive property of lift-off seal glue, meanwhile, addition hydroxyethyl methacrylate, GDMA, many first
Base acrylic acid multielement alcohol ester, epoxy resin, NCO ethyl acrylate are mixed, and during use, polymerization speed is fast,
Such that it is able to improve curing rate, simplify condition of cure, meanwhile, fluid sealant can be caused in the curing process without capillarity
Produce so that fluid sealant surfacing, sealing effectiveness is more preferable.
The present invention is mixed to form solvent, and is strictly controlled consumption from isopropanol, n-butanol, ethyl acetate, butanone, on the one hand
The mobility of fluid sealant can be improved and processing characteristics is used, the solvent volatilization time on the other hand can be controlled, curing rate is lifted.
The present invention can be blocked from the use of tetramethylene β-(3,5 di-t-butyl -4- hydroxy benzenes) propionate
The thermal oxidation of fluid sealant, the chain-breaking reaction decomposition production hydrogen peroxide of the polymer that prevention is induced by oxygen, 2, (2 '-hydroxyl
- 3 ', 5 '-di-t-butyl) phenyl -5- chlorinated benzotriazoles use, the anti-light aging ability of fluid sealant can be strengthened.
The beneficial effects of the present invention is, by being optimized to component, fluid sealant properties are improve, and it is excellent according to component
Change result, whole preparation technology is optimized, in preparation process, reasonable arrangement is carried out to each step, and to raw material
Mixing addition is defined, such that it is able to giving full play to the effect of each component and lifting the performance of final fluid sealant.
Specific embodiment
The present invention is described in detail with reference to instantiation, it should be appreciated that embodiment is not served only for the explanation present invention, and not
It is that, for limiting the invention, any modification made on the basis of the present invention, equivalent etc. are in the protection of the present invention
In the range of.
Rapid curing fluid sealant disclosed in this invention, the parts by weight of component are as shown in table 1 in each embodiment：
Table 1 is the parts by weight of the Polychloroprene Sealant raw material of each embodiment
Embodiment 1
The embodiment of the present invention 1 proposes a kind of rapid curing fluid sealant, follows the steps below preparation：
S1：Each raw material is weighed by ratio of weight and the number of copies；
S2：Vinylacetate and ethanol are mixed, stirring is warming up to 74 DEG C, by butyl acrylate, N, N- methylene bisacrylamide acyls
Amine, acrylic acid, hydroxy-ethyl acrylate, azo-bis-isobutyl cyanide are slowly added to, and after addition is finished, are warming up to 79 DEG C, are incubated 7h,
50 DEG C are cooled to, discharging obtains polyacrylate；
S3：To in S2 obtain polyacrylate in, sequentially add hydroxyethyl methacrylate, GDMA,
Many methacrylic polyol esters, epoxy resin, NCO ethyl acrylate, are well mixed, and obtain base rubber；
S4：Isopropanol, n-butanol, ethyl acetate, butanone are mixed to form into mixed solvent；
S5：By the base rubber obtained in S3, tetramethylene β-(3,5 di-t-butyl -4- hydroxy benzenes) propionate, 2,
(2 '-hydroxyl -3 ', 5 '-di-t-butyl) phenyl -5- chlorinated benzotriazoles are added in the mixed solvent obtained in S4, fully
Uniform state is ground to, fluid sealant is obtained.
Embodiment 2
The embodiment of the present invention 2 proposes a kind of rapid curing fluid sealant, follows the steps below preparation：
S1：Each raw material is weighed by ratio of weight and the number of copies；
S2：Vinylacetate and ethanol are mixed, stirring is warming up to 72 DEG C, by butyl acrylate, N, N- methylene bisacrylamide acyls
Amine, acrylic acid, hydroxy-ethyl acrylate, azo-bis-isobutyl cyanide are slowly added to, and after addition is finished, are warming up to 78 DEG C, are incubated 8h,
50 DEG C are cooled to, discharging obtains polyacrylate；
S3：To in S2 obtain polyacrylate in, sequentially add hydroxyethyl methacrylate, GDMA,
Many methacrylic polyol esters, epoxy resin, NCO ethyl acrylate, are well mixed, and obtain base rubber；
S4：Isopropanol, n-butanol, ethyl acetate, butanone are mixed to form into mixed solvent；
S5：By the base rubber obtained in S3, tetramethylene β-(3,5 di-t-butyl -4- hydroxy benzenes) propionate, 2,
(2 '-hydroxyl -3 ', 5 '-di-t-butyl) phenyl -5- chlorinated benzotriazoles are added in the mixed solvent obtained in S4, fully
Uniform state is ground to, fluid sealant is obtained.
Embodiment 3
The embodiment of the present invention 3 proposes a kind of rapid curing fluid sealant, follows the steps below preparation：
S1：Each raw material is weighed by ratio of weight and the number of copies；
S2：Vinylacetate and ethanol are mixed, stirring is warming up to 76 DEG C, by butyl acrylate, N, N- methylene bisacrylamide acyls
Amine, acrylic acid, hydroxy-ethyl acrylate, azo-bis-isobutyl cyanide are slowly added to, and after addition is finished, are warming up to 80 DEG C, are incubated 6h,
50 DEG C are cooled to, discharging obtains polyacrylate；
S3：To in S2 obtain polyacrylate in, sequentially add hydroxyethyl methacrylate, GDMA,
Many methacrylic polyol esters, epoxy resin, NCO ethyl acrylate, are well mixed, and obtain base rubber；
S4：Isopropanol, n-butanol, ethyl acetate, butanone are mixed to form into mixed solvent；
S5：By the base rubber obtained in S3, tetramethylene β-(3,5 di-t-butyl -4- hydroxy benzenes) propionate, 2,
(2 '-hydroxyl -3 ', 5 '-di-t-butyl) phenyl -5- chlorinated benzotriazoles are added in the mixed solvent obtained in S4, fully
Uniform state is ground to, fluid sealant is obtained.
Rapid curing fluid sealant obtained in the present invention is tested using GB/T14522-2008 ultraviolet light and agings experimental standard：Adopt
With fluorescent UV/condensation cycle test method, light source is UV-B fluorescent tubes, carries out 12 circulations, and each cyclic test condition is：
Illumination temperature is 60 DEG C, light application time is 4h, and in the case where wavelength is for the ultra violet lamp of 313nm, irradiation level is 0.71W/m2, light
After according to end, condensed, condensation temperature is 50 DEG C, the time of condensation is 4h.
Test result shows that the phenomenons such as discoloration, cracking, efflorescence does not occur in the colloid in three embodiments.
In embodiment 1-3, the main performance of the obtained fluid sealant of test, performance data is as shown in table 2.
| Film forming speed/s | Peel strength/(N/mm-1) | Hardening time/min | |
| Embodiment 1 | 61 | 1.21 | 6 |
| Embodiment 2 | 57 | 1.16 | 7 |
| Embodiment 3 | 54 | 1.18 | 6 |
Claims (6)
1. a kind of rapid curing fluid sealant, it is characterised in that the fluid sealant includes by weight following component：Metering system
Sour hydroxyl ethyl ester, 15～17；GDMA, 12～14；Many methacrylic polyol esters, 8～10；Epoxy
Resin, 18～20；NCO ethyl acrylate, 6～8；Vinylacetate, 10～12；Butyl acrylate, 5～7；
Ethanol, 6～8；N, N- methylene-bisacrylamide, 3～5；Acrylic acid, 6～8；Hydroxy-ethyl acrylate, 3～5；Azo two
Isobutyl cyanogen, 3～5；Isopropanol, 2～2.4；N-butanol, 3～3.6；Ethyl acetate, 4～4.8；Butanone, 1～1.2；Four
Methylene β-(3,5 di-t-butyl -4- hydroxy benzenes) propionate, 2～3；2, (2 '-hydroxyl -3 ', 5 '-two
The tert-butyl group) phenyl -5- chlorinated benzotriazoles, 0.8～1.2.
2. rapid curing fluid sealant according to claim 1, it is characterised in that the fluid sealant component is by weight such as
Under：Hydroxyethyl methacrylate, 16；GDMA, 13；Many methacrylic polyol esters, 9；Epoxy
Resin, 19；NCO ethyl acrylate, 7；Vinylacetate, 11；Butyl acrylate, 6；Ethanol, 7；N,N-
Methylene-bisacrylamide, 4；Acrylic acid, 7；Hydroxy-ethyl acrylate, 4；Azo-bis-isobutyl cyanide, 4；Isopropanol, 2.2；Just
Butanol, 3.2；Ethyl acetate, 4.6；Butanone, 1.2；Tetramethylene β-(3,5 di-t-butyl -4- hydroxy benzenes) propionic acid season penta
Four alcohol esters, 2.5；2, (2 '-hydroxyl -3 ', 5 '-di-t-butyl) phenyl -5- chlorinated benzotriazoles, 1.
3. rapid curing fluid sealant according to claim 1, it is characterised in that isopropanol, n-butanol, ethyl acetate,
Butanone keeps increasing and decreasing in proportion.
4. rapid curing fluid sealant according to claim 3, it is characterised in that the fluid sealant component is by weight such as
Under：Hydroxyethyl methacrylate, 17；GDMA, 14；Many methacrylic polyol esters, 10；Ring
Oxygen tree fat, 20；NCO ethyl acrylate, 8；Vinylacetate, 12；Butyl acrylate, 7；Ethanol, 8；N,N-
Methylene-bisacrylamide, 5；Acrylic acid, 8；Hydroxy-ethyl acrylate, 5；Azo-bis-isobutyl cyanide, 5；Isopropanol, 2.4；Just
Butanol, 3.6；Ethyl acetate, 4.8；Butanone, 1.2；Tetramethylene β-(3,5 di-t-butyl -4- hydroxy benzenes) propionic acid season penta
Four alcohol esters, 3；2, (2 '-hydroxyl -3 ', 5 '-di-t-butyl) phenyl -5- chlorinated benzotriazoles, 1.2.
5. rapid curing fluid sealant according to claim 3, it is characterised in that the fluid sealant component is by weight such as
Under：Hydroxyethyl methacrylate, 15；GDMA, 12；Many methacrylic polyol esters, 8；Epoxy
Resin, 18；NCO ethyl acrylate, 6；Vinylacetate, 10；Butyl acrylate, 5；Ethanol, 6；N,N-
Methylene-bisacrylamide, 3；Acrylic acid, 6；Hydroxy-ethyl acrylate, 3；Azo-bis-isobutyl cyanide, 3；Isopropanol, 2；Positive fourth
Alcohol, 3；Ethyl acetate, 4；Butanone, 1；Tetramethylene β-(3,5 di-t-butyl -4- hydroxy benzenes) propionate,
2；2, (2 '-hydroxyl -3 ', 5 '-di-t-butyl) phenyl -5- chlorinated benzotriazoles, 0.8.
6. a kind of preparation method of the rapid curing fluid sealant according to any one of claim 1-5, it is characterised in that press
Following steps are prepared：
S1：Each raw material is weighed by ratio of weight and the number of copies；
S2：Vinylacetate and ethanol are mixed, stirring is warming up to 72 DEG C～76 DEG C, by butyl acrylate, N, N- di-2-ethylhexylphosphine oxides
Acrylamide, acrylic acid, hydroxy-ethyl acrylate, azo-bis-isobutyl cyanide are slowly added to, and after addition is finished, are warming up to 78 DEG C～80 DEG C,
Insulation 6h～8h, is cooled to 50 DEG C, and discharging obtains polyacrylate；
S3：To in S2 obtain polyacrylate in, sequentially add hydroxyethyl methacrylate, GDMA,
Many methacrylic polyol esters, epoxy resin, NCO ethyl acrylate, are well mixed, and obtain base rubber；
S4：Isopropanol, n-butanol, ethyl acetate, butanone are mixed to form into mixed solvent；
S5：By the base rubber obtained in S3, tetramethylene β-(3,5 di-t-butyl -4- hydroxy benzenes) propionate, 2,
(2 '-hydroxyl -3 ', 5 '-di-t-butyl) phenyl -5- chlorinated benzotriazoles are added in the mixed solvent obtained in S4, fully
Uniform state is ground to, fluid sealant is obtained.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510724525.4A CN106634731A (en) | 2015-10-28 | 2015-10-28 | Rapid-curing sealing glue and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510724525.4A CN106634731A (en) | 2015-10-28 | 2015-10-28 | Rapid-curing sealing glue and preparation method thereof |
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| Publication Number | Publication Date |
|---|---|
| CN106634731A true CN106634731A (en) | 2017-05-10 |
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ID=58829621
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510724525.4A Pending CN106634731A (en) | 2015-10-28 | 2015-10-28 | Rapid-curing sealing glue and preparation method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111154412A (en) * | 2020-01-15 | 2020-05-15 | 江苏明昊新材料科技股份有限公司 | Quick-drying silicone adhesive material and preparation method thereof |
-
2015
- 2015-10-28 CN CN201510724525.4A patent/CN106634731A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111154412A (en) * | 2020-01-15 | 2020-05-15 | 江苏明昊新材料科技股份有限公司 | Quick-drying silicone adhesive material and preparation method thereof |
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Application publication date: 20170510 |