CN105294926A - Rubber hose for vehicle air conditioner and preparation method thereof - Google Patents
Rubber hose for vehicle air conditioner and preparation method thereof Download PDFInfo
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- CN105294926A CN105294926A CN201510821992.9A CN201510821992A CN105294926A CN 105294926 A CN105294926 A CN 105294926A CN 201510821992 A CN201510821992 A CN 201510821992A CN 105294926 A CN105294926 A CN 105294926A
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Abstract
The invention discloses a rubber hose for a vehicle air conditioner and a preparation method thereof. The preparation method comprises the following steps: adding butyl acrylate, ethyl acrylate, epoxypropyl methacrylate, an emulsifier and an initiator into a reactor and carrying out polymerization at 60 to 85 DEG C for 20 to 35 min so as to prepare an emulsion M; and mixing the emulsion M with a solvent, pouring the obtained mixture into a forming die, putting the forming die into a baking oven for drying and carrying out cooling so as to obtain the rubber hose, wherein on the basis of 100 parts by weight of butyl acrylate, the contents of ethyl acrylate, epoxypropyl methacrylate, the emulsifier, the initiator and the solvent are 50 to 75 parts by weight, 45 to 65 parts by weight, 8 to 15 parts by weight, 2 to 7 parts by weight and 150 to 200 parts by weight, respectively. The rubber hose prepared by using the method has good corrosion resistance, chemical stability and wear resistance.
Description
Technical field
The present invention relates to auto parts machinery field, particularly, relate to automative air conditioning rubber hose and preparation method thereof.
Background technology
In automative air conditioning structure, often need rubber hose to be communicated with different component, these rubber hoses are often installed near automotive engines, therefore often greasy dirt is more, temperature is higher for residing environment, due to the vibration of vehicle body, also can there is larger friction with miscellaneous part in rubber hose, this just requires that rubber hose possesses good corrosion resistance nature and chemical stability, is not subject to the corrosion of the greasy dirt such as gasoline, machine oil, not easily expanded by heating, decomposition, sclerosis simultaneously, and there is certain wear resistance.Existing automative air conditioning rubber hose is difficult to have good erosion resistance, chemical stability and wear resistance simultaneously.
Summary of the invention
The object of this invention is to provide a kind of automative air conditioning rubber hose and preparation method thereof, the automative air conditioning rubber hose utilizing this preparation method to obtain has good corrosion resistance, chemical stability and wear resisting property.
To achieve these goals, the invention provides a kind of preparation method of automative air conditioning rubber hose, wherein, described preparation method comprises:
(1) butyl acrylate, ethyl propenoate, glytidyl methacrylate, emulsifying agent, initiator are added in reactor, polyreaction 20-35min at 60-85 DEG C, obtained emulsion M;
(2) pour forming mould into by after emulsion M and solvent, and it is dry to put into baking oven, obtains described rubber hose after cooling, wherein,
Relative to the butyl acrylate of 100 weight parts, the content of ethyl propenoate is 50-75 weight part, and the content of glytidyl methacrylate is 45-65 weight part, and the content of emulsifying agent is 8-15 weight part, the content of initiator is 2-7 weight part, and the content of solvent is 150-200 weight part.
Present invention also offers a kind of automative air conditioning rubber hose, this automative air conditioning rubber hose is obtained by above-mentioned preparation method.
According to technique scheme, butyl acrylate, ethyl propenoate, glytidyl methacrylate, emulsifying agent, initiator are added obtained emulsion M in reactor by the present invention, forming mould is poured into by after emulsion M and solvent, and it is dry to put into baking oven, described rubber hose is obtained after cooling, by the synergy of above-mentioned various raw material, the automative air conditioning rubber hose obtained is made to have good corrosion resistance, chemical stability and wear resistance ability.Meanwhile, the method steps for the preparation of this automative air conditioning rubber hose provided by the invention is simple, and raw material is easy to get.
Other features and advantages of the present invention are described in detail in embodiment part subsequently.
Embodiment
Below the specific embodiment of the present invention is described in detail.Should be understood that, embodiment described herein, only for instruction and explanation of the present invention, is not limited to the present invention.
The invention provides a kind of preparation method of automative air conditioning rubber hose, wherein, described preparation method comprises:
(1) butyl acrylate, ethyl propenoate, glytidyl methacrylate, emulsifying agent, initiator are added in reactor, polyreaction 20-35min at 60-85 DEG C, obtained emulsion M;
(2) pour forming mould into by after emulsion M and solvent, and it is dry to put into baking oven, obtains described rubber hose after cooling, wherein,
Relative to the butyl acrylate of 100 weight parts, the content of ethyl propenoate is 50-75 weight part, and the content of glytidyl methacrylate is 45-65 weight part, and the content of emulsifying agent is 8-15 weight part, the content of initiator is 2-7 weight part, and the content of solvent is 150-200 weight part.
Butyl acrylate, ethyl propenoate, glytidyl methacrylate, emulsifying agent, initiator are added obtained emulsion M in reactor by the present invention, forming mould is poured into by after emulsion M and solvent, and it is dry to put into baking oven, described rubber hose is obtained after cooling, by the synergy of above-mentioned various raw material, the automative air conditioning rubber hose obtained is made to have good corrosion resistance, chemical stability and wear resistance ability.Meanwhile, the method steps for the preparation of this automative air conditioning rubber hose provided by the invention is simple, and raw material is easy to get.
In order to the corrosion resistance and wear resisting property that make the automative air conditioning rubber hose obtained are more excellent, there is better chemical stability, one of the present invention preferred embodiment in, relative to the butyl acrylate of 100 weight parts, the content of ethyl propenoate is 55-65 weight part, and the content of glytidyl methacrylate is 50-60 weight part, and the content of emulsifying agent is 10-12 weight part, the content of initiator is 4-6 weight part, and the content of solvent is 170-180 weight part.
In order to strengthen the internal structure of obtained automative air conditioning rubber hose further, strengthen its toughness and drag, emulsifying agent is one or more in sodium lauryl sulphate, tributyl phenol Soxylat A 25-7 and styroyl phenol polyethenoxy ether.
In order to ensure that raw material can polymerization reaction take place smoothly, and improve the speed of polyreaction further, initiator is one or more in Potassium Persulphate, ammonium persulphate and sodium bisulfite.
In order to make raw material can better dissolve each other in reaction process, solvent is one or more in methyl alcohol, ethanol and ethylene glycol.
In order to can be shaping better faster after pouring forming mould into after making emulsion M and solvent, drying temperature be 70-80 DEG C, and time of drying is 15-20min.
In order to improve the speed of cooling of forming mould, and energy consumption when reducing cooling, in the present invention, cooling adopts the mode of water-cooled to carry out, and the water temperature of water-cooled water is 8-15 DEG C.
In following examples, butyl acrylate, ethyl propenoate and glytidyl methacrylate rise the commercially available product that chemical industry provides for Suzhou is striking, the commercially available product that sodium lauryl sulphate, tributyl phenol Soxylat A 25-7 and styroyl phenol polyethenoxy ether provide for Shanghai Rong Kang chemical industry.
Embodiment 1
1kg butyl acrylate, 0.55kg ethyl propenoate, 0.5kg glytidyl methacrylate, 0.1kg sodium lauryl sulphate, 0.04kg Potassium Persulphate are added in reactor, polyreaction 20min at 60 DEG C, obtained emulsion M; Pour forming mould into by after emulsion M and 1.7kg methanol mixed, and it is dry to put into baking oven, obtain described rubber hose A1 after water-cooled, wherein, drying temperature is 70 DEG C, and time of drying is 15min, and the water temperature of water-cooled water is 8 DEG C.
Embodiment 2
1kg butyl acrylate, 0.65kg ethyl propenoate, 0.6kg glytidyl methacrylate, 0.12kg tributyl phenol Soxylat A 25-7,0.06kg ammonium persulphate are added in reactor, polyreaction 35min at 85 DEG C, obtained emulsion M; Pour forming mould into by after emulsion M and 1.8kg methanol mixed, and it is dry to put into baking oven, obtain described rubber hose A2 after water-cooled, wherein, drying temperature is 80 DEG C, and time of drying is 20min, and the water temperature of water-cooled water is 15 DEG C.
Embodiment 3
1kg butyl acrylate, 0.6kg ethyl propenoate, 0.55kg glytidyl methacrylate, 0.11kg styroyl phenol polyethenoxy ether, 0.05kg sodium bisulfite are added in reactor, polyreaction 25min at 70 DEG C, obtained emulsion M; Pour forming mould into by after emulsion M and 1.75kg methanol mixed, and it is dry to put into baking oven, obtain described rubber hose A3 after water-cooled, wherein, drying temperature is 75 DEG C, and time of drying is 17min, and the water temperature of water-cooled water is 11 DEG C.
Embodiment 4
Be prepared according to the method for embodiment 1, unlike, butyl acrylate is 1kg, ethyl propenoate is 0.5kg, glytidyl methacrylate is 0.45kg, styroyl phenol polyethenoxy ether is 0.08kg, sodium bisulfite is 0.02kg, methyl alcohol is 1.5kg, finally obtains described rubber hose A4.
Embodiment 5
Be prepared according to the method for embodiment 3, unlike, butyl acrylate is 1kg, ethyl propenoate is 0.75kg, glytidyl methacrylate is 0.65kg, styroyl phenol polyethenoxy ether is 0.15kg, sodium bisulfite is 0.07kg, and methyl alcohol is 2kg, finally obtains described rubber hose A5.
Comparative example 1
Be prepared according to the method for embodiment 3, unlike, butyl acrylate is 1kg, ethyl propenoate is 0.85kg, glytidyl methacrylate is 0.75kg, styroyl phenol polyethenoxy ether is 0.2kg, sodium bisulfite is 0.1kg, and methyl alcohol is 2.5kg, finally obtains described rubber hose D1.
Comparative example 2
Be prepared according to the method for embodiment 3, unlike, butyl acrylate is 1kg, ethyl propenoate is 0.45kg, glytidyl methacrylate is 0.35kg, styroyl phenol polyethenoxy ether is 0.05kg, sodium bisulfite is 0.01kg, and methyl alcohol is 1kg, finally obtains described rubber hose D2.
Test case 1
A1-A5 and D1, D2 are immersed in 72h in machine oil, observe its surface corrosion situation afterwards, A1-A5 and D1, D2 are recorded its surface abrasion situation by the method for GB/T1689-2014, and its detected result is in table 1.
Table 1
| Embodiment is numbered | Surface corrosion situation | Surface abrasion situation |
| A1 | Surface is without obviously corrosion | Surface is without noticeable wear |
| A2 | Surface is without obviously corrosion | Surface is without noticeable wear |
| A3 | Surface is without obviously corrosion | Surface is without noticeable wear |
| A4 | Surface is without obviously corrosion | There is mild wear on surface |
| A5 | There is slight erosion on surface | Surface is without noticeable wear |
| D1 | There is heavy corrosion on surface | There is heavy wear on surface |
| D2 | There is heavy corrosion on surface | There is heavy wear on surface |
Can be found out by table 1, its abrasion and corrosion situation of automative air conditioning rubber hose A1-A5 obtained within the scope of the present invention is all better than automative air conditioning rubber hose D1 and D2 obtained in the scope of the invention outward, A1-A5 surface is without noticeable wear and corrosion, or there is slight abrasion and corrosion, but there is comparatively serious abrasion and corrosion situation in D1 and D2, automative air conditioning rubber hose A1-A3 various aspects of performance obtained in the preferred scope of the present invention is all better than automative air conditioning rubber hose A4 and A5, thus the erosion resistance that automative air conditioning rubber hose is excellent is achieved, chemical stability and wear resistance.
More than describe the preferred embodiment of the present invention in detail; but the present invention is not limited to the detail in above-mentioned embodiment, within the scope of technical conceive of the present invention; can carry out multiple simple variant to technical scheme of the present invention, these simple variant all belong to protection scope of the present invention.
It should be noted that in addition, each concrete technical characteristic described in above-mentioned embodiment, in reconcilable situation, can be combined by any suitable mode, in order to avoid unnecessary repetition, the present invention illustrates no longer separately to various possible array mode.
In addition, also can carry out arbitrary combination between various different embodiment of the present invention, as long as it is without prejudice to thought of the present invention, it should be considered as content disclosed in this invention equally.
Claims (9)
1. a preparation method for automative air conditioning rubber hose, is characterized in that, described preparation method comprises:
(1) butyl acrylate, ethyl propenoate, glytidyl methacrylate, emulsifying agent, initiator are added in reactor, polyreaction 20-35min at 60-85 DEG C, obtained emulsion M;
(2) pour forming mould into by after emulsion M and solvent, and it is dry to put into baking oven, obtains described rubber hose after cooling, wherein,
Relative to the butyl acrylate of 100 weight parts, the content of described ethyl propenoate is 50-75 weight part, the content of described glytidyl methacrylate is 45-65 weight part, the content of described emulsifying agent is 8-15 weight part, the content of described initiator is 2-7 weight part, and the content of described solvent is 150-200 weight part.
2. preparation method according to claim 1, wherein, relative to the butyl acrylate of 100 weight parts, the content of described ethyl propenoate is 55-65 weight part, the content of described glytidyl methacrylate is 50-60 weight part, the content of described emulsifying agent is 10-12 weight part, and the content of described initiator is 4-6 weight part, and the content of described solvent is 170-180 weight part.
3. preparation method according to claim 1 and 2, wherein, described emulsifying agent is one or more in sodium lauryl sulphate, tributyl phenol Soxylat A 25-7 and styroyl phenol polyethenoxy ether.
4. preparation method according to claim 1, wherein, described initiator is one or more in Potassium Persulphate, ammonium persulphate and sodium bisulfite.
5. preparation method according to claim 1, wherein, described solvent is one or more in methyl alcohol, ethanol and ethylene glycol.
6. preparation method according to claim 1, wherein, in described step (2), drying temperature is 70-80 DEG C, and time of drying is 15-20min.
7. the preparation method according to claim 5 or 6, wherein, in described step (2), cooling adopts the mode of water-cooled to carry out.
8. preparation method according to claim 7, wherein, the water temperature of described water-cooled water is 8-15 DEG C.
9. an automative air conditioning rubber hose, is characterized in that, described automative air conditioning rubber hose is obtained by the method preparation in claim 1-8 described in any one.
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| CN201510821992.9A CN105294926A (en) | 2015-11-23 | 2015-11-23 | Rubber hose for vehicle air conditioner and preparation method thereof |
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| CN201510821992.9A CN105294926A (en) | 2015-11-23 | 2015-11-23 | Rubber hose for vehicle air conditioner and preparation method thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107090154A (en) * | 2017-06-06 | 2017-08-25 | 肥西县碧涛建材有限公司 | A kind of abrasion-resistant rubber pipe and preparation method thereof |
| CN112172510A (en) * | 2020-09-25 | 2021-01-05 | 芜湖豫新世通汽车空调有限公司 | Automobile drain pipe matching mechanism |
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| CN101544725A (en) * | 2009-04-29 | 2009-09-30 | 临海市邦得利汽车环保技术有限公司 | Method for producing acrylic ester copolymer |
| CN104650276A (en) * | 2013-11-19 | 2015-05-27 | 青岛欧美亚橡胶工业有限公司 | Emulsion polymerization method for synthesis of acrylic rubber |
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- 2015-11-23 CN CN201510821992.9A patent/CN105294926A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101544725A (en) * | 2009-04-29 | 2009-09-30 | 临海市邦得利汽车环保技术有限公司 | Method for producing acrylic ester copolymer |
| CN104650276A (en) * | 2013-11-19 | 2015-05-27 | 青岛欧美亚橡胶工业有限公司 | Emulsion polymerization method for synthesis of acrylic rubber |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107090154A (en) * | 2017-06-06 | 2017-08-25 | 肥西县碧涛建材有限公司 | A kind of abrasion-resistant rubber pipe and preparation method thereof |
| CN112172510A (en) * | 2020-09-25 | 2021-01-05 | 芜湖豫新世通汽车空调有限公司 | Automobile drain pipe matching mechanism |
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Application publication date: 20160203 |