CN109135650A - One-component silane modified polyether seal glue and preparation method thereof - Google Patents
One-component silane modified polyether seal glue and preparation method thereof Download PDFInfo
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- CN109135650A CN109135650A CN201810882424.3A CN201810882424A CN109135650A CN 109135650 A CN109135650 A CN 109135650A CN 201810882424 A CN201810882424 A CN 201810882424A CN 109135650 A CN109135650 A CN 109135650A
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- Prior art keywords
- silane
- polyether
- modified polyether
- seal glue
- ethyl
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J171/00—Adhesives based on polyethers obtained by reactions forming an ether link in the main chain; Adhesives based on derivatives of such polymers
- C09J171/02—Polyalkylene oxides
-
- 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
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J11/00—Features of adhesives not provided for in group C09J9/00, e.g. additives
- C09J11/08—Macromolecular additives
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2312/00—Crosslinking
Abstract
The present invention relates to a kind of one-component silane modified polyether seal glues, which is characterized in that includes the raw material of following parts by weight: 100 parts of silane-terminated polyether A；10-100 parts of silane-terminated polyether B；250-500 parts of auxiliary agent.The silane-terminated polyether A has formula (I) structure:The silane-terminated polyether B has formula (II) structure:Wherein, R1Selected from methyl or ethyl；R2Selected from methyl, ethyl, methoxy or ethoxy；R3Selected from methyl, ethyl or iso-octyl；R4Selected from methyl, ethyl, methoxyl group, ethyoxyl or different octyloxy；N=500-5000；X=500~3000, y=100-200.Sealant of the present invention has excellent weatherability, heat resistance and excellent mechanical property.
Description
Technical field
The present invention relates to sealant technical fields, more particularly to one-component silane modified polyether seal glue and its preparation side
Method.
Background technique
Silane modified polyether seal glue is a kind of using alkoxysilane-terminated polyether resin as the high-performance environment-friendly of base-material
Type sealant.Due to its main chain polyether structure unit and end silane structure, silane modified polyether seal glue has both silicone sealant
And the advantages of polyurethane sealant, show high anti-deformational displacement ability, good cementability, covering with paint property, the friendly property of environment
And ease for operation etc., thus it is widely used in the fields such as building, industry, rail traffic, interior decoration.
Silane modified polyether seal glue is widely used in external wall sealing, the objects such as automobile component sealing and container
Sealing.It is higher and higher to its performance requirement with the continuous expansion of its application field, how to further increase its mechanical property and
The concern of weatherability and people and the hot spot of research.
Summary of the invention
Based on this, the present invention provides a kind of one-component silane modified polyether seal glue, with excellent weatherability and excellent
Different mechanical property.
The specific technical proposal is:
A kind of one-component silane modified polyether seal glue, includes the raw material of following parts by weight:
100 parts of silane-terminated polyether A；
10-100 parts of silane-terminated polyether B；
250-500 parts of auxiliary agent；
The silane-terminated polyether A has formula (I) structure:
The silane-terminated polyether B has formula (II) structure:
Wherein, R1Selected from methyl or ethyl；
R2Selected from methyl, ethyl, methoxy or ethoxy；
R3Selected from methyl, ethyl or iso-octyl；
R4Selected from methyl, ethyl, methoxyl group, ethyoxyl or different octyloxy；
N=500-5000；X=500~3000, y=100-200.
The weight ratio of the silane-terminated polyether A and silane-terminated polyether B is 1:0.5-1 in one of the embodiments,.
The R in one of the embodiments,3Selected from methyl or ethyl；
R4Selected from methyl, ethyl, methoxy or ethoxy.
Viscosity of the silane-terminated polyether A at 25 DEG C is 90Pa.S-115Pa.S in one of the embodiments,.
The silane-terminated polyether A is zh-048 in one of the embodiments,.
The silane-terminated polyether B is zh-026 in one of the embodiments,.
The auxiliary agent includes plasticizer, filler, thixotropic agent, deicer, UV absorption in one of the embodiments,
One or more of agent, light stabilizer, antioxidant, adhesion promoter, catalyst and pigment.
In one of the embodiments, the plasticizer be selected from polyether polyol, 1,2- cyclohexane dicarboxylic acid dinonyl,
7-oxa-bicyclo[4.1.0,4,5- epoxy tetrahydro-2-ethylhexyl phthalate, dioctyl phthalate, diisononyl phthalate,
One or more of diisooctyl phthalate and phthalic acid two (2- propyl heptan) ester.
The filler is selected from nanometer calcium carbonate, powdered whiting, aluminium hydroxide, hydroxide in one of the embodiments,
One or more of magnesium, melamine polyphosphate, zinc oxide, kaolin, talcum powder and glass microsphere.
The thixotropic agent is selected from polyamide wax, rilanit special, organobentonite and gas phase in one of the embodiments,
One or more of silica.
The deicer is selected from vinyltrimethoxysilane, vinyl triethoxyl silicon in one of the embodiments,
One or more of alkane and vinyl dimethoxysilane.
The adhesion promoter is selected from gamma-aminopropyl-triethoxy-silane, γ-ammonia third in one of the embodiments,
Base trimethoxy silane, N- β-(aminoethyl)-γ-aminopropyltrimethoxysilane, N- β-(aminoethyl)-γ-aminopropyltriethoxy
Dimethoxysilane, γ-ureido-propyl trimethoxy silane, γ-glycidyl ether oxygen propyl trimethoxy silicane, γ-shrink
Glycerol ether oxygen propyl triethoxysilane, γ mercaptopropyitrimethoxy silane, γ-Mercaptopropyltriethoxysilane and γ-
One or more of methacryloxypropyl trimethoxy silane.
In one of the embodiments, the catalyst be selected from dibutyl tin dilaurate, Bis(lauroyloxy)dioctyltin,
Dibutyltin diacetate, bis- (acetopyruvic acid) one or more of dibutyl tins and stannous octoate.
The pigment is selected from one or more of titanium dioxide, carbon black and iron oxide red in one of the embodiments,.
In one of the embodiments, the ultraviolet absorber be selected from Tinuvin 213, Tinuvin 234,
One or more of Tinuvin326, Tinuvin328, Tinuvin329 and Tinuvin571.
In one of the embodiments, the light stabilizer be selected from Tinuvin123, Tinuvin622, Tinuvin765,
Tinuvin770, Tinuvin791, Tinuvin 292, Tinuvin 5050, Tinuvin 5055,5151 and of Tinuvin
One or more of Tinuvin 5060.
The antioxidant is selected from Irganox 1010, Irganox 1076 and Irganox in one of the embodiments,
One or more of 245.
The present invention also provides the preparation methods of above-mentioned one-component silane modified polyether seal glue.
The specific technical proposal is:
A kind of preparation method of one-component silane modified polyether seal glue, comprising the following steps:
Step 1) dries a part of auxiliary agent, and the drying temperature is 50~60 DEG C, 40~60h of drying time；
It step 2), a part of auxiliary agent by after drying, silane-terminated polyether A, silane-terminated polyether B and remaining helps
Agent is uniformly mixed, and is warming up to 100-120 DEG C, vacuum dehydration 2h, and vacuum degree is -0.08~-0.2MPa, obtains mixed system；
Step 3), the mixed system is cooled to 50 DEG C hereinafter, vacuum defoamation to get.
Compared with prior art, the invention has the following advantages:
Above-mentioned one-component silane modified polyether seal glue, by the silane-terminated polyether A with formula (I) structure, (acrylic acid changes
Property silane-terminated polyether) and be used in compounding with the silane-terminated polyether B of formula (I) structure, two kinds of silane-terminated polyether end groups are mutual
It mutually winds, generates crosslinked action, increase the cohesive strength of sealant, and be conducive to the stability of sealant.Meanwhile the present invention
One-component silane modified polyether seal glue can also be in conjunction with the advantages of acrylic acid and organosilicon polymer, suitable auxiliary agent of arranging in pairs or groups,
Have excellent adhesion silane modified polyether seal glue of the present invention, weatherability, cover with paint, lacquer, colour wash, etc. property and mechanical property.Especially, silicon
Alkane end capped polyether A is selected from zh-048, obtained that sealing glue solidifying rate is fast when silane-terminated polyether B is selected from zh-026, has excellent
Different mechanical property, temperature tolerance and weatherability.
Specific embodiment
It to facilitate the understanding of the present invention, below will be to invention is more fully described.The present invention can be with many not
With form realize, however it is not limited to embodiment described herein.On the contrary, purpose of providing these embodiments is makes to this
Disclosure of the invention content understanding is more thorough and comprehensive.
Unless otherwise defined, all technical and scientific terms used herein and belong to technical field of the invention
The normally understood meaning of technical staff is identical.Term as used herein in the specification of the present invention is intended merely to description tool
The purpose of the embodiment of body, it is not intended that in the limitation present invention.Term as used herein "and/or" includes one or more phases
Any and all combinations of the listed item of pass.
Further details of theory is made to one-component silane modified polyether seal glue of the invention below in conjunction with specific embodiment
It is bright.
All raw materials derive from commercially available in following specific embodiments.
Embodiment 1-10
Embodiment 1-10 prepare one-component silane modified polyether seal glue raw material and dosage it is as shown in table 1；
Specific preparation method the following steps are included:
(1) powders such as filler, pigment, thixotropic agent are put into 50 DEG C of baking ovens and 48h is pre-dried, it is spare；
(2) sequentially added into stirred tank silane-terminated polyether A, silane-terminated polyether B, plasticizer, pigment, thixotropic agent,
Ultraviolet absorbing agent, light stabilizer, antioxidant uniformly mix, and are warming up to 110 DEG C, are stirred under vacuum and are dehydrated 2h, true in whipping process
Reciprocal of duty cycle holding -0.1MPa；
(3) 50 DEG C are cooled to hereinafter, deicer, adhesion promoter is added, catalyst is uniformly mixed, vacuum defoamation
Afterwards, filling, obtained final finished sealant is carried out.
Each raw material of 1 embodiment 1-10 of table and its dosage
Wherein, zh-048, purchased from clock deep pool chemistry.
Zh-026, purchased from clock deep pool chemistry.
Embodiment 11-12 and comparative example 1-2
Referring to above-mentioned preparation method, the one-component silane modified polyether sealing of embodiment 11-12 and comparative example 1-2 is prepared
Glue.
Embodiment 11-12 and comparative example 1-2 prepares raw material and dosage such as 2 institute of table of one-component silane modified polyether seal glue
Show；
2 embodiment 11-12 of table and each raw material of comparative example 1-3 and its dosage
Wherein, zh-026, trimethoxy end capped polyether, purchased from clock deep pool chemistry.
Zh-028, three different octyloxy end capped polyethers, purchased from clock deep pool chemistry.
Ma-330, silane-terminated polyether, purchased from clock deep pool chemistry, structural formula are as follows:
Performance test
The one-component silane modified polyether seal glue of embodiment 1-12 and comparative example 1-2 are tested for the property.Specific side
Method is as follows:
Surface drying time: it under the conditions of (25 ± 5) DEG C, (55 ± 5) %RH, is coated on clean polyfluortetraethylene plate appropriate
Sealant, thickness about 2mm touches glue surface with finger every 1min, until the tack-free time is surface drying time.
Tensile strength and elongation are measured according to the method recorded in GB/T 528-2009.
Tensile strength change rate: the one-component silane modified polyether seal glue of claim 1-12 and comparative example 1-2 are existed
300h, 120 DEG C of placement 3h are placed at 90 DEG C and place 300h in anhydrous ultraviolet case, are measured its tensile strength, are calculated and stretch
Change rate of strength.
As a result as shown in Table 3, 4.
The performance test results of 3 embodiment 1-10 of table
The performance test results of 4 embodiment 11-12 comparative example 1-2 of table
By table 3, table 4 it is found that embodiment 1-12 places 300h, 120 DEG C of placement 3h at 90 DEG C and in anhydrous ultraviolet case
After interior placement 300h, tensile strength variation is smaller, illustrates there is preferable weatherability and heat resistance, and embodiment 1-12
The excellent in mechanical performance of one-component silane modified polyether seal glue.
In embodiment 11, Silante terminated Resin A and Silante terminated resin B ratio are 1:0.25, relative to embodiment 2,
Weatherability and heat resistance are slightly weak.
In embodiment 12, when Silante terminated resin B end group is the zh-028 of three different octyloxies, relative to embodiment 2,
Weatherability and heat resistance are slightly weak.
Zh-048 and Ma-330 is combined by comparative example 1, and compared with Example 2, weatherability and mechanical property are poor.
Comparative example 2 only joined the modified silyl-terminated polyether zh-048 of acrylic resin, weather-proof relative to embodiment 2
Property, heat resistance and mechanical property are also poor.
Each technical characteristic of embodiment described above can be combined arbitrarily, for simplicity of description, not to above-mentioned reality
It applies all possible combination of each technical characteristic in example to be all described, as long as however, the combination of these technical characteristics is not deposited
In contradiction, all should be considered as described in this specification.
The embodiments described above only express several embodiments of the present invention, and the description thereof is more specific and detailed, but simultaneously
Limitations on the scope of the patent of the present invention therefore cannot be interpreted as.It should be pointed out that for those of ordinary skill in the art
For, without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to guarantor of the invention
Protect range.Therefore, the scope of protection of the patent of the invention shall be subject to the appended claims.
Claims (10)
1. a kind of one-component silane modified polyether seal glue, which is characterized in that include the raw material of following parts by weight:
100 parts of silane-terminated polyether A；
10-100 parts of silane-terminated polyether B；
250-500 parts of auxiliary agent；
The silane-terminated polyether A has formula (I) structure:
The silane-terminated polyether B has formula (II) structure:
Wherein, R1Selected from methyl or ethyl；
R2Selected from methyl, ethyl, methoxy or ethoxy；
R3Selected from methyl, ethyl or iso-octyl；
R4Selected from methyl, ethyl, methoxyl group, ethyoxyl or different octyloxy；
N=500-5000；X=500~3000, y=100-200.
2. one-component silane modified polyether seal glue according to claim 1, which is characterized in that the R3Selected from methyl or
Ethyl；
R4Selected from methyl, ethyl, methoxy or ethoxy.
3. one-component silane modified polyether seal glue according to claim 1, which is characterized in that the silane-terminated polyether
The weight ratio of A and silane-terminated polyether B is 1:0.5-1.
4. one-component silane modified polyether seal glue according to claim 1-3, which is characterized in that the silane
End capped polyether A is zh-048.
5. one-component silane modified polyether seal glue according to claim 1-3, which is characterized in that the silane
End capped polyether B is zh-026.
6. one-component silane modified polyether seal glue according to claim 1-3, which is characterized in that the auxiliary agent
It include plasticizer, filler, thixotropic agent, deicer, ultraviolet absorber, light stabilizer, antioxidant, adhesion promoter, catalysis
One or more of agent and pigment.
7. one-component silane modified polyether seal glue according to claim 6, which is characterized in that the plasticizer is selected from poly-
Ethoxylated polyhydric alcohol, 1,2- cyclohexane dicarboxylic acid dinonyl, 7-oxa-bicyclo[4.1.0,4,5- epoxy tetrahydro-2-ethylhexyl phthalate, neighbour
Dioctyl phthalate, diisononyl phthalate, diisooctyl phthalate and phthalic acid two (2- propyl heptan)
One or more of ester；And/or
The filler is selected from nanometer calcium carbonate, powdered whiting, aluminium hydroxide, magnesium hydroxide, melamine polyphosphate, oxidation
One or more of zinc, kaolin, talcum powder and glass microsphere；And/or
The thixotropic agent is selected from one or more of polyamide wax, rilanit special, organobentonite and fumed silica；
And/or
The deicer is in vinyltrimethoxysilane, vinyltriethoxysilane and vinyl dimethoxysilane
One or more.
8. one-component silane modified polyether seal glue according to claim 6, which is characterized in that the adhesion promoter
Selected from gamma-aminopropyl-triethoxy-silane, γ-aminopropyltrimethoxysilane, N- β-(aminoethyl)-γ-aminopropyl trimethoxy
Base silane, N- β-(aminoethyl)-γ-aminopropyltriethoxy dimethoxysilane, γ-ureido-propyl trimethoxy silane, γ-shrink
Glycerol ether oxygen propyl trimethoxy silicane, γ-glycidoxypropyltrietandysilane andysilane, γ-mercaptopropyi trimethoxy
One of silane, γ-Mercaptopropyltriethoxysilane and γ-methacryloxypropyl trimethoxy silane are several
Kind；And/or
The catalyst is selected from dibutyl tin dilaurate, Bis(lauroyloxy)dioctyltin, dibutyltin diacetate, bis- (acetyl
Pyruvic acid) one or more of dibutyl tin and stannous octoate；And/or
The pigment is selected from one or more of titanium dioxide, carbon black and iron oxide red.
9. according to the described in any item one-component silane modified polyether seal glues of claim 6-8, which is characterized in that described ultraviolet
Absorbent be selected from Tinuvin 213, Tinuvin 234, Tinuvin326, Tinuvin328, Tinuvin329 and
One or more of Tinuvin571；And/or
The light stabilizer be selected from Tinuvin123, Tinuvin622, Tinuvin765, Tinuvin770, Tinuvin791,
One of Tinuvin 292, Tinuvin 5050, Tinuvin 5055, Tinuvin 5151 and Tinuvin 5060 or several
Kind；And/or
The antioxidant is selected from one or more of Irganox 1010, Irganox 1076 and Irganox 245.
10. a kind of preparation method of the described in any item one-component silane modified polyether seal glues of claim 1-9, feature exist
In, comprising the following steps:
Step 1) dries a part of auxiliary agent, and the drying temperature is 50~60 DEG C, 40~60h of drying time；
Step 2) mixes a part of auxiliary agent, silane-terminated polyether A, silane-terminated polyether B and the remaining auxiliary agent after drying
It closes uniformly, is warming up to 100-120 DEG C, vacuum dehydration 2h, vacuum degree is -0.08~-0.2MPa, obtains mixed system；
Step 3), the mixed system is cooled to 50 DEG C hereinafter, vacuum defoamation to get.
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| CN201810882424.3A CN109135650B (en) | 2018-08-06 | 2018-08-06 | Single-component silane modified polyether sealant and preparation method thereof |
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| CN109929497A (en) * | 2019-04-08 | 2019-06-25 | 宜昌众智环保科技有限公司 | A kind of MS sealant processing technology |
| CN110437791A (en) * | 2019-09-06 | 2019-11-12 | 陕西杨凌磐基新材料科技有限公司 | One pack system filleting waterproof gasket cement and preparation method thereof for railway ballastless track |
| CN113025254A (en) * | 2021-02-04 | 2021-06-25 | 东莞市德聚胶接技术有限公司 | Non-tin catalytic silane modified polyether sealant and preparation method thereof |
| CN113845868A (en) * | 2021-09-27 | 2021-12-28 | 江苏矽时代材料科技有限公司 | Modified organosilicon sealant and application thereof |
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| CN1995140A (en) * | 2005-12-28 | 2007-07-11 | 北京市天山新材料技术公司 | Single component silane modified polyether seal glue and its preparation method |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109929497A (en) * | 2019-04-08 | 2019-06-25 | 宜昌众智环保科技有限公司 | A kind of MS sealant processing technology |
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| CN113025254A (en) * | 2021-02-04 | 2021-06-25 | 东莞市德聚胶接技术有限公司 | Non-tin catalytic silane modified polyether sealant and preparation method thereof |
| CN113025254B (en) * | 2021-02-04 | 2021-11-23 | 东莞市德聚胶接技术有限公司 | Non-tin catalytic silane modified polyether sealant and preparation method thereof |
| CN113845868A (en) * | 2021-09-27 | 2021-12-28 | 江苏矽时代材料科技有限公司 | Modified organosilicon sealant and application thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109135650B (en) | 2021-01-29 |
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