CN104946188A - Lead-acid storage battery sealant and preparation method thereof - Google Patents
Lead-acid storage battery sealant and preparation method thereof Download PDFInfo
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- CN104946188A CN104946188A CN201510352774.5A CN201510352774A CN104946188A CN 104946188 A CN104946188 A CN 104946188A CN 201510352774 A CN201510352774 A CN 201510352774A CN 104946188 A CN104946188 A CN 104946188A
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Abstract
The invention discloses a lead-acid storage battery sealant and a preparation method thereof. The sealant is composed of components A and components B. The components A are composed of the following substances of bisphenol-A epoxy resin, novolac epoxy resin, reactive diluents, defoaming agents and coupling agents. The components B are composed of the following substances of fatty amine, aromatic amine, reactive diluents, bisphenol-A type epoxy resin and benzyl alcohol. The preparation method includes the steps that firstly, the raw materials of the components A are heated, mixed and evenly dispersed according to the matching ratio; secondly, the aromatic amine and the fatty amine serving as curing agents of the components B are firstly added; vacuumizing is performed, the aromatic amine and the fatty amine are evenly stirred, and heat preservation is performed; then the bisphenol-A type epoxy resin is added dropwise, and full stirring is performed after the bisphenol-A type epoxy resin is added dropwise; the reactive diluents are added dropwise, and full stirring is performed after the reactive diluents are added dropwise; cooling is performed, the benzyl alcohol is added, and stirring is performed; next, discharging, filtering and filling are performed. The lead-acid storage battery sealant is excellent in acid resistance, adhesive property and temperature resistance, and the phenomenon that the sealant becomes green on a shell seam is avoided in the using process.
Description
Technical field
The present invention relates to lead acid cell seal gum and preparation method thereof.
Background technology
For the lead acid cell of light shell, existing solidifying agent is the tan seal gum encapsulation of DDM modification, although adhesiveproperties, acid resistance are excellent, at shell seam crossing, appearance is turned green phenomenon, the serious outward appearance that have impact on lead acid cell.Heat resistance is bad simultaneously, also have impact on the work-ing life of lead acid cell; Existing solidifying agent be aliphatic amide modification or with the light seal gum encapsulation of aliphatic amide and aliphatic cyclic amine modification, although there will not be at shell seam crossing and turn green phenomenon, but it is bad to there is acid resistance, glue-line toughness is not enough, adhesiveproperties is not good, heat resistance is bad, easily occurs the problems such as leakage acid and groove lid come off.
Solidifying agent of the prior art is the light seal gum of aliphatic amide modification, and preparation technology is as follows: component A resin portion: bisphenol A type epoxy resin 85-95 part; Reactive thinner 5-10 part; Defoamer 1-3 part.Normal temperature mix and blend, then discharging, filtration, filling.B component curing agent part: aliphatic polyamine is added reactor at normal temperatures, is warming up to 40-60 DEG C, rear dropping butylglycidyl ether isoreactivity thinner, is warming up to 60-70 DEG C and keeps 2 hours, then discharging, filter after dropwising, filling.The acid resistance of this product is bad, and glue-line toughness is not enough, and adhesiveproperties is not good, and heat resistance is bad, easily occurs the problems such as leakage acid and groove lid come off.
Patent discloses a kind of accumulator sealant and preparation method thereof.Product comprises following component: resin portion, dihydroxyphenyl propane type epoxy resin 80-95 part; Reactive thinner 5-15 part; Defoamer 0-3 part; Curing agent part, comprises aliphatic polyamine 40-60 parts; Aliphatic cyclic amine 10-30 parts; Reactive thinner 20-40 part; The ratio of described resin portion and curing agent part is 100:20-40.Although this patent solves the problem of curing agent part crystallization, the patented product still there is heatproof and acid resistance is not enough, thus have impact on the work-ing life of lead acid cell.
Summary of the invention
The object of the present invention is to provide lead acid cell seal gum and preparation method thereof.
The technical solution used in the present invention is:
Lead acid cell seal gum, it is made up of A, B component; Described component A is made up of the raw material of following mass parts: bisphenol A type epoxy resin 70-80 part, novolac epoxy 10-20 part, reactive thinner 5-15 part, defoamer 1-3 part, coupling agent 1-3 part; Described B component is made up of the raw material of following mass parts: aliphatic amide 5-35 parts, aromatic amine 20-30 part, reactive thinner 20-30 part, bisphenol A type epoxy resin 5-10 part, phenylcarbinol 20-30 part; Wherein, the mass ratio of A, B component is 100:25-50.
In described component A or B component, bisphenol A type epoxy resin is at least one in E-51, E-44.
Described novolac epoxy is at least one in F-51, F-44.
Reactive thinner in described component A or B component is Racemic glycidol ethers or glycidyl ester class reactive thinner.
Described defoamer is at least one in silicone based defoamer, polyethers defoamer, organic silicon modified by polyether class.
Described coupling agent is at least one in silane coupling agent, titanate coupling agent.
Described aliphatic amide is at least one in quadrol, hexanediamine, diethylenetriamine, triethylene tetramine, tetraethylene pentamine.
Described aromatic amine is at least one in mphenylenediamine, m-xylene diamine, diaminodiphenyl-methane, diaminodiphenylsulfone(DDS).
The preparation method of lead acid cell seal gum, comprises step:
(1) by the raw material of component A by proportioning heating blending dispersion evenly;
(2) aromatic amine of B component curing agent part and aliphatic amide are first added; Vacuumize, stir, insulation; Be added dropwise to bisphenol A type epoxy resin again, drip rear abundant stirring; Drip reactive thinner again, drip rear abundant stirring; Cooling, adds phenylcarbinol, stirs; Then discharging, filters, filling.
The invention has the beneficial effects as follows: seal gum acid resistance of the present invention, adhesiveproperties, heat resistance are excellent, can not occur turing green phenomenon at shell seam crossing in using, can be used as the seal gum of the lead acid cell encapsulation of light shell.
Embodiment
Lead acid cell seal gum is made up of A, B component; Described component A is made up of the raw material of following mass parts: bisphenol A type epoxy resin 70-80 part, novolac epoxy 10-20 part, reactive thinner 5-15 part, defoamer 1-3 part, coupling agent 1-3 part; Described B component is made up of the raw material of following mass parts: aliphatic amide 5-35 parts, aromatic amine 20-30 part, reactive thinner 20-30 part, bisphenol A type epoxy resin 5-10 part, phenylcarbinol 20-30 part; Wherein, the mass ratio of A, B component is 100:(25-50).
Preferably, lead acid cell seal gum, it is made up of A, B component; Described component A is made up of the raw material of following mass parts: bisphenol A type epoxy resin 73-76 part, novolac epoxy 10-15 part, reactive thinner 8-10 part, defoamer 1-3 part, coupling agent 1-3 part; Described B component is made up of the raw material of following mass parts: aliphatic amide 5-30 parts, aromatic amine 20-30 part, reactive thinner 20-26 part, bisphenol A type epoxy resin 6-10 part, phenylcarbinol 20-30 part; Wherein, the mass ratio of A, B component is 100:25-50.
Preferably, in described component A or B component, bisphenol A type epoxy resin is at least one in E-51, E-44.
Preferably, described novolac epoxy is at least one in F-51, F-44.
Preferably, the reactive thinner in described component A or B component is Racemic glycidol ethers or glycidyl ester class reactive thinner; Preferred further, for at least one in butylglycidyl ether, phenyl glycidyl ether, benzyl glycidyl ether, o-tolyl glycidyl ether, BDDE, ethylene glycol diglycidylether, neopentylglycol diglycidyl ether, PIVALIC ACID CRUDE (25) glycidyl ester, glycidyl neodecanoate.
Described defoamer is at least one in silicone based defoamer, polyethers defoamer, organic silicon modified by polyether class; Preferred further, be at least one in BYK-054, BYK-065, BYK-066N, BYK-067, BYK-088, BYK-141, BYK-A525, BYK-A530, BYK-A535, BYK-A550, BYK-A555, Defom 5300, Defom 6500, Defom 6800,102F.
Described coupling agent is at least one in silane coupling agent, titanate coupling agent; Preferred further, be at least one in Z-6040, KH550, KH560, KH570, KH602, KH792,101,102,501.
Described aliphatic amide is at least one in quadrol, hexanediamine, diethylenetriamine, triethylene tetramine, tetraethylene pentamine.
Described aromatic amine is at least one in mphenylenediamine, m-xylene diamine, diaminodiphenyl-methane, diaminodiphenylsulfone(DDS); Preferred further, be m-xylene diamine.
The preparation method of lead acid cell seal gum, comprises step:
(1) by the raw material of component A by proportioning heating blending dispersion evenly;
(2) aromatic amine of B component curing agent part and aliphatic amide are first added; Vacuumize, stir, insulation; Be added dropwise to bisphenol A type epoxy resin again, drip rear abundant stirring; Drip reactive thinner again, drip rear abundant stirring; Cooling, adds phenylcarbinol, stirs; Then discharging, filters, filling.
Preferably, this preparation process is:
(1) component A resin portion is first added bisphenol A type epoxy resin by proportioning, heat to 60-70 DEG C, slowly add novolac epoxy when stirring, then maintain 60-70 DEG C of dispersed with stirring 1 hour; And then add reactive thinner, defoamer, coupling agent, dispersed with stirring.Then discharging, filters, filling, obtains component A resin portion product.
(2) aromatic amine of B component curing agent part and aliphatic amide are first added; Vacuumize, vacuum degree control is at 300-500mm mercury column; Open and stir, keep stirring velocity at 100-150 rev/min, be warming up to 50-60 DEG C, open water coolant and make whole process temperature remain on 50-60 DEG C, divide and drip bisphenol A type epoxy resin in 1 hour, drip rear continuation stirring 1 hour; Divide again and drip reactive thinner in 1 hour, drip rear continuation stirring 2 hours; And then slow cooling is to 20-30 DEG C, add phenylcarbinol, continue stirring 1 hour; Then discharging, filters, filling, obtains B component curing agent part product.
During use, the mass ratio that component A and B component use is 100:25-50.
Obtained products solidifying condition is that ambient cure 12 hours or 60 DEG C carry out intermediate temperature setting 1.5 hours.
Below in conjunction with specific embodiment, formula of the present invention is described further:
embodiment 1:
Lead acid cell seal gum, its formula consists of:
(1) component A: bisphenol A type epoxy resin 76 parts; Novolac epoxy 10 parts; Reactive thinner 10 parts; Defoamer 2 parts; Coupling agent 2 parts;
Concrete: the bisphenol A type epoxy resin that component A resin portion is selected is E-51 epoxy resin; Novolac epoxy is F-51; Reactive thinner is butylglycidyl ether; Defoamer is BYK-066N, and coupling agent is Z-6040.
(2) B component: comprise aliphatic amide 5 parts; Aromatic amine 30 parts; Reactive thinner 25 parts; Bisphenol A type epoxy resin 10 parts; Phenylcarbinol 30 parts;
Concrete: the aliphatic amide that B component curing agent part is selected is triethylene tetramine; Aromatic amine is m-xylene diamine; The bisphenol A type epoxy resin selected is E-51 epoxy resin; Reactive thinner is benzyl glycidyl ether.
The mass ratio of described resin portion and curing agent part is 100:50.
Obtained products solidifying condition be ambient cure 12 hours or 60 DEG C 1.5 hours.
embodiment 2:
Lead acid cell seal gum, its formula consists of:
(1) component A: bisphenol A type epoxy resin 74 parts; Novolac epoxy 12 parts; Reactive thinner 10 parts; Defoamer 2 parts; Coupling agent 2 parts;
Concrete: the bisphenol A type epoxy resin that component A resin portion is selected is E-44 epoxy resin; Novolac epoxy is F-44; Reactive thinner is phenyl glycidyl ether; Defoamer is Defom 6500, and coupling agent is KH-570.
(2) B component: aliphatic amide 10 parts; Aromatic amine 30 parts; Reactive thinner 26 parts; Bisphenol A type epoxy resin 6 parts; Phenylcarbinol 28 parts.
Concrete: the aliphatic amide that B component curing agent part is selected is quadrol; Aromatic amine is m-xylene diamine; Reactive thinner is phenyl glycidyl ether; Bisphenol A type epoxy resin is E-51 epoxy resin.
The mass ratio of described resin portion and curing agent part is 100:40.
Obtained products solidifying condition be ambient cure 12 hours or 60 DEG C 1.5 hours.
embodiment 3:
Lead acid cell seal gum, its formula consists of:
(1) component A: bisphenol A type epoxy resin 73 parts; Novolac epoxy 15 parts; Reactive thinner 8 parts; Defoamer 2 parts; Coupling agent 2 parts;
Concrete: the bisphenol A type epoxy resin that component A resin portion is selected is E-51 epoxy resin; Novolac epoxy is F-51; Reactive thinner is PIVALIC ACID CRUDE (25) glycidyl ester; Defoamer is 102F, and coupling agent is KH-560 and 501 each 1 part.
(2) B component: aliphatic amide 30 parts; Aromatic amine 20 parts; Reactive thinner 20 parts; Bisphenol A type epoxy resin 10 parts; Phenylcarbinol 20 parts;
Concrete: the aliphatic amide that B component curing agent part is selected is diethylenetriamine; Aromatic amine is m-xylene diamine; Bisphenol A type epoxy resin is E-51 epoxy resin; Reactive thinner is ethylene glycol diglycidylether.
The mass ratio of described resin portion and curing agent part is 100:25.
Obtained products solidifying condition be ambient cure 12 hours or 60 DEG C 1.5 hours; Below relevant test result:
table 1:
Claims (9)
1. lead acid cell seal gum, is characterized in that: it is made up of A, B component; Described component A is made up of the raw material of following mass parts: bisphenol A type epoxy resin 70-80 part, novolac epoxy 10-20 part, reactive thinner 5-15 part, defoamer 1-3 part, coupling agent 1-3 part; Described B component is made up of the raw material of following mass parts: aliphatic amide 5-35 parts, aromatic amine 20-30 part, reactive thinner 20-30 part, bisphenol A type epoxy resin 5-10 part, phenylcarbinol 20-30 part; Wherein, the mass ratio of A, B component is 100:25-50.
2. lead acid cell seal gum according to claim 1, is characterized in that: in described component A or B component, bisphenol A type epoxy resin is at least one in E-51, E-44.
3. lead acid cell seal gum according to claim 1, is characterized in that: described novolac epoxy is at least one in F-51, F-44.
4. lead acid cell seal gum according to claim 1, is characterized in that: the reactive thinner in described component A or B component is Racemic glycidol ethers or glycidyl ester class reactive thinner.
5. lead acid cell seal gum according to claim 1, is characterized in that: described defoamer is at least one in silicone based defoamer, polyethers defoamer, organic silicon modified by polyether class.
6. lead acid cell seal gum according to claim 1, is characterized in that: described coupling agent is at least one in silane coupling agent, titanate coupling agent.
7. lead acid cell seal gum according to claim 1, is characterized in that: described aliphatic amide is at least one in quadrol, hexanediamine, diethylenetriamine, triethylene tetramine, tetraethylene pentamine.
8. lead acid cell seal gum according to claim 1, is characterized in that: described aromatic amine is at least one in mphenylenediamine, m-xylene diamine, diaminodiphenyl-methane, diaminodiphenylsulfone(DDS).
9. the preparation method of lead acid cell seal gum according to claim 1, is characterized in that: comprise step:
(1) by the raw material of component A by proportioning heating blending dispersion evenly;
(2) aromatic amine of B component curing agent part and aliphatic amide are first added; Vacuumize, stir, insulation; Be added dropwise to bisphenol A type epoxy resin again, drip rear abundant stirring; Drip reactive thinner again, drip rear abundant stirring; Cooling, adds phenylcarbinol, stirs; Then discharging, filters, filling.
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| CN201510352774.5A CN104946188B (en) | 2015-06-24 | 2015-06-24 | Lead-acid accumulator fluid sealant and preparation method thereof |
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| CN201510352774.5A CN104946188B (en) | 2015-06-24 | 2015-06-24 | Lead-acid accumulator fluid sealant and preparation method thereof |
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Cited By (4)
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| CN105969267A (en) * | 2016-06-29 | 2016-09-28 | 哈尔滨永淇化工有限公司 | Phenoxyethyl ester and isooctyl ester based high-elasticity sealant for storage batteries and manufacturing method of phenoxyethyl ester and isooctyl ester based high-elasticity sealant |
| CN105969270A (en) * | 2016-06-29 | 2016-09-28 | 哈尔滨永淇化工有限公司 | Ethyl ester and vinyl acetate based high-elasticity sealant for storage batteries and manufacturing method of ethyl ester and vinyl acetate based high-elasticity sealant |
| CN106634754A (en) * | 2017-01-03 | 2017-05-10 | 湖南柯盛新材料有限公司 | Building sealing glue and preparation method thereof |
| CN116554836A (en) * | 2023-05-22 | 2023-08-08 | 华宇新能源科技有限公司 | Lead-acid storage battery sealant and preparation method thereof |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105969267A (en) * | 2016-06-29 | 2016-09-28 | 哈尔滨永淇化工有限公司 | Phenoxyethyl ester and isooctyl ester based high-elasticity sealant for storage batteries and manufacturing method of phenoxyethyl ester and isooctyl ester based high-elasticity sealant |
| CN105969270A (en) * | 2016-06-29 | 2016-09-28 | 哈尔滨永淇化工有限公司 | Ethyl ester and vinyl acetate based high-elasticity sealant for storage batteries and manufacturing method of ethyl ester and vinyl acetate based high-elasticity sealant |
| CN106634754A (en) * | 2017-01-03 | 2017-05-10 | 湖南柯盛新材料有限公司 | Building sealing glue and preparation method thereof |
| CN116554836A (en) * | 2023-05-22 | 2023-08-08 | 华宇新能源科技有限公司 | Lead-acid storage battery sealant and preparation method thereof |
| CN116554836B (en) * | 2023-05-22 | 2023-11-14 | 华宇新能源科技有限公司 | Lead-acid storage battery sealant and preparation method thereof |
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Effective date of registration: 20190718 Address after: 523992 Mingzhu Road, West Tailong Village, Shatian Town, Dongguan City, Guangdong Province Patentee after: Dongguan Taiwei New Materials Technology Co., Ltd. Address before: 511490, No. two, No. 1, South Road, double jade industrial estate, Sha Tau Street, Guangdong, Guangzhou, Panyu District, China Patentee before: Guangzhou Tai Tai New Material Co., Ltd. |