CN104152092B - The binding agent of a kind of central air-conditioning water collector and production method thereof - Google Patents
The binding agent of a kind of central air-conditioning water collector and production method thereof Download PDFInfo
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- CN104152092B CN104152092B CN201410400664.7A CN201410400664A CN104152092B CN 104152092 B CN104152092 B CN 104152092B CN 201410400664 A CN201410400664 A CN 201410400664A CN 104152092 B CN104152092 B CN 104152092B
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Abstract
The invention discloses the binding agent of a kind of central air-conditioning water collector, it is characterized in that it includes epoxy resin, firming agent, toughener and accelerator, said components according to weight proportion part be epoxy resin be 50 parts～52 parts, firming agent is 43 parts～45 parts, toughener is 3.5 parts, and accelerator is 1.5 parts.The present invention uses N, N dimethyl benzylamine, epoxy resin and methyl hexahydrophthalic anhydride interaction to obtain this binding agent, and the nitrogen-atoms in N, N dimethyl benzylamine has a pair active electronics, it is possible to increase the resistance to solidification temperature of binding agent and resistance to vitrification point.The invention has the beneficial effects as follows: greatly improve the cold curing performance of whole coating viscosity glue oxidant layer and resistance to glass temperature, even if in the case of 120 DEG C, baking 30min also occurs without softening and fusing, improves the quality of water collector, ensure that the service life of water collector, reduce cost.
Description
Technical field
The present invention relates to binding agent and the production method thereof of a kind of central air-conditioning water collector.
Background technology
At present, central air-conditioning water collector is made up of main body, vent valve assembly and adapter three part, main body
Blank uses and extrudes copper rod and form through forge hot pressure and the working procedure processing such as numerically controlled lathe, drilling machine；Vent valve group
Part is directly processed through numerically controlled lathe by extruding copper rod；Adapter uses copper tube, is disposably activated double
The right curved three-dimensional numerical control pipe bender of mould directly processes.Main body and nipple part are through rotating disc type automatic flame pricker
Welding machine high-temperature soldering forms, and uses the silver content solder more than 5%, and fusing into through extraordinary welding powder, it is ensured that
Each soldering opening is smooth, stifled without rosin joint, solder skip, weldering and hang the generation of the phenomenons such as fluid welding, and permeability is splendid.
Sealed by coating adhesive between main body and vent valve assembly, but when using current binding agent,
Between main body and vent valve assembly after cold curing, toast in 120 DEG C of baking ovens and easily occur to soften and fusing
Phenomenon, resistance to vitrification performance and cold curing performance are the best.
Summary of the invention
The invention aims to solve above-mentioned the deficiencies in the prior art, it is provided that one can improve and freezes off
Change the binding agent of the central air-conditioning water collector of performance and resistance to vitrification performance.
To achieve these goals, the binding agent of a kind of central air-conditioning water collector designed by the present invention,
Including epoxy resin, firming agent, toughener and accelerator, said components is ring according to weight proportion part
Epoxy resins is 50 parts～52 parts, and firming agent is 43 parts～45 parts, and toughener is 3.5 parts, and accelerator is 1.5
Part.
Preferably, described epoxy resin is bisphenol A type epoxy resin, is a kind of transparent inorganic tool impurity
Liquid, its epoxide equivalent is 183g/eq～194g/eq, and hydrolyzable chloride content is within 0.05%, and volatile matter contains
Amount is within 0.3%, and recording viscosity at 25 DEG C is 10000mpa.s～14000mpa.s；
Described firming agent is methyl hexahydrophthalic anhydride, and molecular formula is C18H26O7, molecular weight is 354.3948,
Being a kind of colourless transparent liquid, purity is more than 97%, and acid number is more than or equal to 650.0mgKOH/g, iodine number
Less than or equal to 2.00, the viscosity recorded at 25 DEG C is 45.0mpa.s～75.0mpa.s, can strengthen bonding
The resistance to air of agent, UV resistant performance；
Described toughener is polyethyleneglycol diglycidylether, and its epoxide equivalent is 294g/eq-370g/eq,
Recording viscosity at 25 DEG C is 40mpa.s～100mpa.s, can improve the pliability of binding agent；
Described accelerator is N, N-dimethyl benzylamine, and linear formula is C6H5CH2N(CH3)2, point
Son amount is 135.21, and purity is more than or equal to 98%.
The binding agent of central air-conditioning water collector of the present invention, its production method be first according to above-mentioned
After component is weighed according to weight proportion part, stirring mixing 3min～5min in mixer, then will mixing
Uniform material is added in baking oven dry, and waits until that being cooled to room temperature is packaged.
Preferably, when drying in an oven, the temperature of baking oven is at 70 DEG C～80 DEG C, and drying time is 1h～2h.
This binding agent adhesive seal is used between main body and vent valve assembly, and after cold curing, 120 DEG C of baking ovens
Interior drying 30min, whole coating viscosity glue oxidant layer occurs without the phenomenons such as softening and fusing, and through DTG-60A
Thermal analyzer detects, and resistance to vitrification point can reach 180 DEG C even more than 180 DEG C.
The invention has the beneficial effects as follows: greatly improve the cold curing performance of whole coating viscosity glue oxidant layer and resistance to
Glass temperature, even if in the case of 120 DEG C, baking 30min also occurs without softening and fusing, improves
The quality of water collector, it is ensured that in the service life of water collector, reduce cost.
Detailed description of the invention
Below in conjunction with embodiment, the present invention is further described.
Embodiment 1:
The adhesive of the central air-conditioning water collector that the present invention provides, including epoxy resin, firming agent, increasing
Tough dose and accelerator, said components according to weight proportion part be epoxy resin be 52 parts, firming agent is 43
Part, toughener is 3.5 parts, and accelerator is 1.5 parts.
Described epoxy resin is bisphenol A type epoxy resin, is the liquid of a kind of transparent inorganic tool impurity, its
Epoxide equivalent is 183g/eq～194g/eq, and hydrolyzable chloride content is within 0.05%, and volatile content is 0.3%
Within, recording viscosity at 25 DEG C is 10000mpa.s～14000mpa.s；
Described firming agent is methyl hexahydrophthalic anhydride, and molecular formula is C18H26O7, molecular weight is 354.3948,
Being a kind of colourless transparent liquid, purity is more than 97%, and acid number is more than or equal to 650.0mgKOH/g, iodine number
Less than or equal to 2.00, the viscosity recorded at 25 DEG C is 45.0mpa.s～75.0mpa.s, can strengthen bonding
The resistance to air of agent, UV resistant performance；
Described toughener is polyethyleneglycol diglycidylether, and its epoxide equivalent is 294g/eq-370g/eq,
Recording viscosity at 25 DEG C is 40mpa.s～100mpa.s, can improve the pliability of binding agent；
Described accelerator is N, N-dimethyl benzylamine, and linear formula is C6H5CH2N(CH3)2, point
Son amount is 135.21, and purity is more than or equal to 98%.
The binding agent of central air-conditioning water collector of the present invention, its production method is first by above-mentioned group
After part is weighed according to weight proportion part, stirring mixing 3min in mixer, then by the thing of mix homogeneously
It is drying 1h in 70 DEG C of baking ovens that material is added to temperature, is cooled to room temperature, then is packaged.
The binding agent obtained by the present embodiment is bonded between main body and vent valve and after cold curing, 120 DEG C
Toasting 30min in baking oven, whole coating viscosity glue oxidant layer occurs without the phenomenons such as softening and fusing, and through DTG-60A
Thermal analyzer detects, and resistance to vitrification point can reach 180 DEG C even more than 180 DEG C, improves water collector
Quality, it is ensured that in the service life of water collector, reduce cost.
Product after welding and coating adhesive vent valve are assembled, under 3.0MPa atmospheric pressure, pressurize 5min,
Occur without leakage；In the test of hydraulic pressure resistance to pressure, basic resistance to pressure 4.5MPa and limit resistance to pressure 8.8MPa
Thing, product No leakage, deforms, the phenomenon such as ruptures and occur.
Embodiment 2:
The adhesive of the central air-conditioning water collector that the present invention provides, including epoxy resin, firming agent, increasing
Tough dose and accelerator, said components according to weight proportion part be epoxy resin be 50 parts, firming agent is 45
Part, toughener is 3.5 parts, and accelerator is 1.5 parts.
Described epoxy resin is bisphenol A type epoxy resin, is the liquid of a kind of transparent inorganic tool impurity, its
Epoxide equivalent is 183g/eq～194g/eq, and hydrolyzable chloride content is within 0.05%, and volatile content is 0.3%
Within, recording viscosity at 25 DEG C is 10000mpa.s～14000mpa.s；
Described firming agent is methyl hexahydrophthalic anhydride, and molecular formula is C18H26O7, molecular weight is 354.3948,
Being a kind of colourless transparent liquid, purity is more than 97%, and acid number is more than or equal to 650.0mgKOH/g, iodine number
Less than or equal to 2.00, the viscosity recorded at 25 DEG C is 45.0mpa.s～75.0mpa.s, can strengthen bonding
The resistance to air of agent, UV resistant performance；
Described toughener is polyethyleneglycol diglycidylether, and its epoxide equivalent is 294g/eq-370g/eq,
Recording viscosity at 25 DEG C is 40mpa.s～100mpa.s, can improve the pliability of binding agent；
Described accelerator is N, N-dimethyl benzylamine, and linear formula is C6H5CH2N(CH3)2, point
Son amount is 135.21, and purity is more than or equal to 98%.
The binding agent of central air-conditioning water collector of the present invention, its production method is first by above-mentioned group
After part is weighed according to weight proportion part, stirring mixing 5min in mixer, then by the thing of mix homogeneously
It is drying 2h in 80 DEG C of baking ovens that material is added to temperature, is cooled to room temperature, then is packaged.
The binding agent obtained by the present embodiment is bonded between main body and vent valve and after cold curing, 120 DEG C
Toasting 30min in baking oven, whole coating viscosity glue oxidant layer occurs without the phenomenons such as softening and fusing, and through DTG-60A
Thermal analyzer detects, and resistance to vitrification point can reach 180 DEG C even more than 180 DEG C, improves water collector
Quality, it is ensured that in the service life of water collector, reduce cost.
Product after welding and coating adhesive vent valve are assembled, under 3.0MPa atmospheric pressure, pressurize 5min,
Occur without leakage；In the test of hydraulic pressure resistance to pressure, basic resistance to pressure 4.5MPa and limit resistance to pressure 8.8MPa
Thing, product No leakage, deforms, the phenomenon such as ruptures and occur.
Claims (1)
1. the binding agent of a central air-conditioning water collector, it is characterised in that be prepared from by following steps:
It is 50～52: 43～45: 3.5 by weight ratio by epoxy resin, firming agent, toughener and accelerator:
1.5 weigh, and in mixer, stirring mixing 3min～5min, is then added to temperature by the material of mix homogeneously
It is baking 1h～2h in the baking oven of 70 DEG C～80 DEG C, is down to room temperature, then takes out product and be packaged；
Described epoxy resin is bisphenol A type epoxy resin, and its epoxide equivalent is 183g/eq～194g/eq；Institute
Stating firming agent is methyl hexahydrophthalic anhydride；Described toughener is polyethyleneglycol diglycidylether, and its epoxy is worked as
Amount is 294g/eq～370g/eq；Described accelerator is N, N-dimethyl benzylamine.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410400664.7A CN104152092B (en) | 2014-08-08 | 2014-08-08 | The binding agent of a kind of central air-conditioning water collector and production method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410400664.7A CN104152092B (en) | 2014-08-08 | 2014-08-08 | The binding agent of a kind of central air-conditioning water collector and production method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104152092A CN104152092A (en) | 2014-11-19 |
| CN104152092B true CN104152092B (en) | 2016-08-17 |
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| CN201410400664.7A Active CN104152092B (en) | 2014-08-08 | 2014-08-08 | The binding agent of a kind of central air-conditioning water collector and production method thereof |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1554701A (en) * | 2003-12-22 | 2004-12-15 | 中国石化集团巴陵石油化工有限责任公 | Epoxy resin special material of compressed nazural gas cylinder |
| EP2226347A1 (en) * | 2007-12-13 | 2010-09-08 | Showa Denko K.K. | Epoxy resin curing agent, method for producing the same, and epoxy resin composition |
| CN103045144A (en) * | 2011-10-13 | 2013-04-17 | 中昊晨光化工研究院 | Epoxy gas cylinder adhesive and method for preparing same |
-
2014
- 2014-08-08 CN CN201410400664.7A patent/CN104152092B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1554701A (en) * | 2003-12-22 | 2004-12-15 | 中国石化集团巴陵石油化工有限责任公 | Epoxy resin special material of compressed nazural gas cylinder |
| EP2226347A1 (en) * | 2007-12-13 | 2010-09-08 | Showa Denko K.K. | Epoxy resin curing agent, method for producing the same, and epoxy resin composition |
| CN103045144A (en) * | 2011-10-13 | 2013-04-17 | 中昊晨光化工研究院 | Epoxy gas cylinder adhesive and method for preparing same |
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| Publication number | Publication date |
|---|---|
| CN104152092A (en) | 2014-11-19 |
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