CN100480353C - Accumulator sealant - Google Patents
Accumulator sealant Download PDFInfo
- Publication number
- CN100480353C CN100480353C CNB2007100669631A CN200710066963A CN100480353C CN 100480353 C CN100480353 C CN 100480353C CN B2007100669631 A CNB2007100669631 A CN B2007100669631A CN 200710066963 A CN200710066963 A CN 200710066963A CN 100480353 C CN100480353 C CN 100480353C
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- China
- Prior art keywords
- epoxy resin
- type epoxy
- resins
- bisphenol
- accumulator
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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- Epoxy Resins (AREA)
- Sealing Material Composition (AREA)
Abstract
The invention discloses an accumulator seal gum, which is characterized in that: it comprises component A and B, and the weight proportion between A and B is 4: 1; A comprises epoxy resin, diluting agent and/ or solvent; B comprises curing agent and plasticizing agent. Said epoxy resin is bisphenol a epoxy resin or mixture of bisphenol a epoxy resin and novolac epoxy. The flowability of seal gum is pretty good, and it will flow levelly automatically instantly after injection in plastic groove, which greatly increases the working efficiency for aritifical sealing, and the stretching and cutting strength is far better than the country standard of 3 Mpa.
Description
Technical field
The present invention relates to a kind of sealant, particularly a kind of lead acid cell sealing, bonding tackiness agent of being used for.
Background technology
Lead acid cell is that a kind of purposes is very extensive, the industrial goods that demand is very huge, and in process of production, connection of the groove of store battery lid and wiring part generally all stick with glue agent and are sealed, block up acid.
Rising year by year along with the store battery market requirement, the processing of old and useless battery and the maintenance of store battery are more and more come into one's own, and the key of store battery maintenance is promptly will open sealing cover can not damage battery cell case, more existing seal gums are if bonding strength is high, when opening sealing cover,, seal gum can damage battery cell case because being difficult to peel off, how and guarantee that it is a difficult problem anxious to be solved that good bonding strength is not damaged battery cell case again when opening sealing cover and the bonding strength height that is easy to peel off is all lower.
Summary of the invention
The invention provides a kind of good fluidity, bonding strength height, acid resistance is good, is beneficial to the seal gum of battery service.
A kind of accumulator sealant comprises two kinds of components of A, B, and the weight ratio of A, B component is A:B=4:1; Count 100 with Resins, epoxy gross weight umber, the weight part of A, B component consists of:
The A component:
Resins, epoxy 100
Thinner and/or solvent 10~30
The B component:
Solidifying agent 20~30
Softening agent 5~15
Described Resins, epoxy promptly can be the bisphenol A type epoxy resin of single model, also can be the mixture of the bisphenol A type epoxy resin of two kinds of different models, can also be bisphenol A type epoxy resin and phenol aldehyde type epoxy resin mixture.
The oxirane value of described bisphenol A type epoxy resin is 0.4~0.6.The trade mark commonly used as 128,0164, E51 (618) or E44 (6101).
The oxirane value of described phenol aldehyde type epoxy resin is 0.4~0.6.Trade mark F44 commonly used or F51.
Embody higher cohesive strength behind the adhesive solidification when using the bisphenol A type epoxy resin of two kinds of different models, preferred group became when two kinds of different models were mixed use:
0164 of 20~80 weight parts mix use with the E44 of 20~80 weight parts; More preferably 0164 of 50 weight parts mixes use with the E44 of 50 weight parts.When E51 mixes with E44 when using, the overall performance of the seal gum when being used alone trade mark Resins, epoxy is better, as the bonding strength of unlike material, flowability etc. are all reached better effect.
Temperature tolerance is particularly excellent behind the adhesive solidification when bisphenol A type epoxy resin mixes use with phenol aldehyde type epoxy resin, be more suitable for using as primer, preferred group became when bisphenol A type epoxy resin mixed use with phenol aldehyde type epoxy resin: the bisphenol A type epoxy resin of 20~80 weight parts mixes use with the phenol aldehyde type epoxy resin of 20~80 weight parts.
The Resins, epoxy of all kinds, the trade mark can one be used in combination as required.
For example when requiring good fluidity, can adopt the lower bisphenol A type epoxy resin of viscosity, the main trade mark has 128,0164, E51 (618).
When requiring bonding strength high, can adopt 128,0164, E51 (618) a kind of and E44 (6101) wherein mixes use, the blended part by weight can be regulated between 20:80~80:20, and optimum proportion is 50:50.
When require temperature tolerance good, when requiring good fluidity again, adopt 128,0164, E51 (618) a kind of and F51 phenol aldehyde type epoxy resin wherein mixes use, the blended part by weight can be regulated between 20:80~80:20, optimum proportion is 50:50.
When require temperature tolerance good, when requiring bonding strength high again, adopt the E44 bisphenol A type epoxy resin to mix use with the F44 phenol aldehyde type epoxy resin, the blended part by weight can be regulated between 20:80~80:20, optimum proportion is 50:50.
In the A component, the thinner of 10~30 weight parts and/or solvent, solvent can use separately also with thinner can mix use.
Being preferably the thinner of 15 weight parts and the solvent of 5 weight parts uses, this moment, the existence of solvent can add residual dirt dissolving in man-hour with the binding surface, be more conducive to adherend surface and the intermolecular effect of tackiness agent, also embodied higher bonding strength and performance.Suitably selecting for use of the thinner of proportioning and solvent has good flowability before making sealing glue solidifying, is beneficial to casting and constructing.
Described thinner is epoxide resin reactive or non-activated thinner.Commonly used have epoxy active diluent 501 (660) formal names used at school: epoxy propane butyl ether, epoxide resin reactive are released rare dose 690 formal name used at school: propylene oxide phenyl ether, epoxy active diluent 692 formal names used at school: benzyl glycidyl ether or epoxy chloropropane; Other release rare dose 502,500,503,622,630,652,662,661,660,669,678,680,5746,5748,748,746,6628,6604,6630, TK100 or SM-60 etc. as Resins, epoxy.
Described solvent is: acetone, trichloromethane, ethylene dichloride, nylon acid dimethyl ester (DBE), ethyl acetate, toluene, dimethylbenzene.
Described solidifying agent is: polynary mixed amine based epoxy resin curing agent, model commonly used such as epoxy curing agent 115,593, diethylenetriamine, ketoimine, N-β hydroxyethylethylene diamine etc.
Described softening agent is: Uniflex DBS, dicyclohexyl phthalate, dibutyl phthalate or dioctyl ester.
Described coupling agent is: silane coupling agent, and as KH-550, KH-560, KH-580, KH-590, KH-602, KH-792, KH-845-4, B-201, G-402, Nanjing University-42, Nanjing University-73 or A-150.
Except described A, B component, can also add one or more auxiliary agents in this seal gum, auxiliary agent generally is to be blended in the B component in actual applications.Gross weight in Resins, epoxy is 100 parts, available auxiliary agent such as coupling agent 1-3 weight parts, defoamer 0.1-0.5 weight part, mask agent 0.05-0.1 weight part, flow agent 0.1-0.5 weight part, promotor 1-5 weight parts or anti-shrinkage cavity auxiliary agent 0.1-0.5 weight part.
Described coupling agent is: silane coupling agent, and as KH-550, KH-560, KH-580, KH-590, KH-602, KH-792, KH-845-4, B-201, G-402, Nanjing University-42, Nanjing University-73 or A-150.Described defoamer is: broken bubble polymkeric substance and polysiloxane solution, and as organic silicon defoaming agent HX-2013.
Described mask agent is: GD101 or GD66.
Described flow agent is: polyether-modified polydimethylsiloxane solution, and as organosilicon flow agent HX-3010 or HX-3083.
Described promotor is: epoxy resin cure altax P-30, phenol, dihydroxyphenyl propane, meta-cresol or Resorcinol.DMP-30, formal name used at school 2,4,6 three (dimethylamino methyl) phenol belongs to the tertiary amines solidifying agent.
Described anti-shrinkage cavity auxiliary agent is: organically-modified polydimethylsiloxane solution, and as anti-shrinkage cavity auxiliary agent HX-3082.
The adding of defoamer and shrinkage cavity agent can increase density and the bonding force behind the sealing glue solidifying.
When accumulator sealant of the present invention uses, after two kinds of components of A, B are mixed in proportion, stirred 2~3 minutes, and leave standstill and use after making epoxy glue elimination bubble in 2~3 minutes.Refer to touch dried during the seal gum room temperature about 5 hours, solidified in 24 hours; When 50~60 spent, 2 hours promptly curable.
Accumulator sealant of the present invention is when obtaining stronger bonding strength.Suitably improve the fragility of tackiness agent.With modified multicomponent mixing amine curing agent, make the toughness of seal gum and the stagnation point that fragility is adjusted in a best, make store battery when needing repairing, under certain external force effect, can make colloid and mould shell and separate and do not damage and mould shell with the softening agent of an amount of proportioning.
Accumulator sealant of the present invention has increased substantially the cohesive force to metal, ethylene-propylene rubber(EPR) under the prerequisite that does not reduce the cohesive force of ABS plastic, guarantee the cohesive strength of three kinds of materials on the electrode pole.
Accumulator sealant of the present invention has good flowability before solidifying, and injects and moulds the rapid levelling automatically of meeting in the shell groove, has improved the working efficiency of manually sealing greatly, because of good fluidity, also is difficult for producing bubble, has guaranteed the effect that seals.
The index that accumulator sealant of the present invention stretches, shearing resistance far surpasses national standard 3MPa also obviously is better than like product on the market.
Embodiment
Embodiment 1~6
Each embodiment A ingredients weight parts proportioning sees Table 1, and each Embodiment B component and other auxiliary agent weight part proportionings see Table 2.
Each embodiment A ingredients weight parts proportioning of table 1
Component A | Embodiment 1 | Embodiment 2 | Embodiment 3 | Embodiment 4 | Embodiment 5 | Embodiment 6 |
Resins, epoxy | 100 parts of E44 | 100 parts of E51 | 80 parts of 20 parts of E51 of E44 | 50 parts of 50 parts of E51 of E44 | 40 parts of 60 parts of F51 of E51 | 50 parts of 50 parts of F44 of E44 |
Thinner | 501 20 parts | 502 20 parts | 660 10 parts | 501 15 parts | 503 10 parts | 660 15 parts |
Solvent | - | 8 parts of ethylene dichloride | 10 parts of ethyl acetate | 5 parts of toluene | 10 parts in acetone | 5 parts of ethylene dichloride |
Each Embodiment B component of table 2 and weight part proportioning
Other auxiliary agents of B component | Embodiment 1 | Embodiment 2 | Embodiment 3 | Embodiment 4 | Embodiment 5 | Embodiment 6 |
Solidifying agent | 115 25 parts of epoxy curing agents | 593 22 parts of epoxy curing agents | 20 parts of epoxy curing agent diethylenetriamines | 10 parts of 115 15 parts of diethylenetriamines of epoxy curing agent | Modified amine YH-82 20 part | Modified amine YH-82 24 part |
Softening agent | 5 parts of Uniflex DBSs | 10 parts of dibutyl phthalates | 10 parts of dibutyl phthalates | 5 parts of Uniflex DBSs | 10 parts of Uniflex DBSs | 6 parts of Uniflex DBSs |
Coupling agent | KH-550 1 part | KH-560 3 part | KH-580 2 part | KH-590 3 part | KH-602 1.5 part | KH-792 2.5 part |
Defoamer | 0.2 part of HX-2013 | 0.5 part of HX-2013 | 0.1 part of HX-2013 | 0.4 part of HX-2013 | 0.3 part of HX-2013 | 0.5 part of HX-2013 |
Mask agent | 0.05 part of GD101 | 0.1 part of GD101 | 0.07 part of GD101 | 0.05 part of GD66 | 0.08 part of GD66 | 0.06 part of GD66 |
Flow agent | 0.1 part of HX-3010 | 0.2 part of HX-3010 | 0.5 part of HX-3010 | 0.5 part of HX-3083 | 0.4 part of HX-3083 | 0.5 part of HX-3083 |
Promotor | DMP-30 1 part | 3 parts of phenol | 5 parts of phenol | DMP-30 1 part | 4 parts of meta-cresols | 2 parts of Resorcinols |
Anti-shrinkage cavity auxiliary agent | 0.1 part of HX-3082 | 0.4 part of HX-3082 | 0.3 part of HX-3082 | 0.2 part of HX-3082 | 0.5 part of HX-3082 | 0.5 part of HX-3082 |
Performance Detection is done performance test with the seal gum of embodiment 4 preparations
A, B component are mixed back viscosity (25 degree): 510mpas commercial like product viscosity 1200-1800mpas
Tensile shear strength (examination criteria GB/T 7124): 10MP has only the commercial like product 5-6MP sulfuric acid dipping changes in weight≤3.5%
Shore hardness: 〉=85
(normal temperature be dipped in 46.5% sulfuric acid 120 hours) changes in weight after the pickling :≤0.1%
(normal temperature be dipped in 46.5% sulfuric acid 120 hours) tensile shear strength conservation rate after the pickling: 81%
Seal gum of the present invention after testing has excellent bonding strength and flowability, and can tolerate the corrosion of strong acid.
Claims (10)
1, a kind of accumulator sealant is characterized in that: comprise two kinds of components of A, B, the weight ratio of A, B component is A:B=4:1; Count 100 with Resins, epoxy gross weight umber, the weight part of A, B component consists of:
The A component:
Resins, epoxy 100
Thinner and/or solvent 10~30
The B component:
Polynary mixed amine based epoxy resin curing agent 20~30
Softening agent 5~15
Described Resins, epoxy is the mixture of bisphenol A type epoxy resin or bisphenol A type epoxy resin and phenol aldehyde type epoxy resin.
2, accumulator sealant as claimed in claim 1 is characterized in that: the oxirane value of described bisphenol A type epoxy resin is 0.4~0.6; The oxirane value of described phenol aldehyde type epoxy resin is 0.4~0.6.
3, accumulator sealant as claimed in claim 1 is characterized in that: described Resins, epoxy is made up of the E44 of 0164 and 20~80 weight parts of 20~80 weight parts.
4, accumulator sealant as claimed in claim 3 is characterized in that: described Resins, epoxy is made up of the E44 of 0164 and 50 weight parts of 50 weight parts.
5, accumulator sealant as claimed in claim 1 is characterized in that: described Resins, epoxy is made up of the bisphenol A type epoxy resin of 20~80 weight parts and the phenol aldehyde type epoxy resin of 20~80 weight parts.
6, accumulator sealant as claimed in claim 1 is characterized in that: described Resins, epoxy is the bisphenol A type epoxy resin of single model.
7, accumulator sealant as claimed in claim 1 is characterized in that: the weight part in the A component consists of:
Resins, epoxy 100
Thinner 15
Solvent 5.
8, as claim 1 or 7 described accumulator sealants, it is characterized in that: described thinner is an epoxide resin reactive diluent.
9, as claim 1 or 7 described accumulator sealants, it is characterized in that: described solvent is: acetone, trichloromethane, ethylene dichloride, nylon acid dimethyl ester, ethyl acetate, toluene or dimethylbenzene.
10, accumulator sealant as claimed in claim 1 is characterized in that described softening agent is: Uniflex DBS, dicyclohexyl phthalate, dibutyl phthalate or dioctyl phthalate (DOP).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CNB2007100669631A CN100480353C (en) | 2007-01-29 | 2007-01-29 | Accumulator sealant |
Applications Claiming Priority (1)
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CNB2007100669631A CN100480353C (en) | 2007-01-29 | 2007-01-29 | Accumulator sealant |
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CN101007932A CN101007932A (en) | 2007-08-01 |
CN100480353C true CN100480353C (en) | 2009-04-22 |
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CNB2007100669631A Expired - Fee Related CN100480353C (en) | 2007-01-29 | 2007-01-29 | Accumulator sealant |
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EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Hangzhou Deli Technology Co., Ltd. Assignor: Liu Yongxiang Contract record no.: 2010330001914 Denomination of invention: Accumulator sealant Granted publication date: 20090422 License type: Exclusive License Open date: 20070801 Record date: 20100920 |
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