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Composite foaming material for exhaust pipe of mobile air conditioner, exhaust pipe and mobile air conditioner
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A mobile air conditioner and composite foaming technology, applied in the field of materials, can solve the problems of not meeting the energy efficiency requirements of North America, unsatisfactory heat insulation effect, and low seasonal energy efficiency.
Pending Publication Date: 2021-04-30
HISENSE (GUANGDONG) AIR CONDITIONER
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Problems solved by technology
[0002] The exhaust ducts currently used in mobile air conditioners are mostly insulated by wrapping cloth or cotton sleeves on the exhaust ducts, but the heat insulation effect is not ideal, and because the outer surface temperature of the exhaust ducts is too high, the seasonal energy efficiency is relatively low. Does not meet North American energy efficiency requirements
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Embodiment 1
[0030] (1) Preparation of composite foam material:
[0031] Composite foam material formula: 80 parts by weight of PP resin, 17.65 parts by weight of EPDM rubber, 1 part by weight of nano silicon dioxide, 0.15 parts by weight of dimethylol phenolformaldehyde resin, 0.5 parts by weight of azodicarbonamide, 0.5 parts by weight of ethylene bis stearamide, 0.1 parts by weight of antioxidants 168 and 1010, S n Cl 2 2H 2 O is 0.05 parts by weight, and zincoxide is 0.05 parts by weight.
[0032] Preparation method: PP resin, EPDM rubber, nano silicon dioxide, dimethylolphenol formaldehyde resin, ethylene bis stearamide, antioxidants 168 and 1010, S n Cl 2 2H 2 O, zincoxide was mixed on a high-speed mixer for 20 minutes according to the above ratio, dried and set aside.
[0033]The above mixture is further added to a twin-screw extruder for kneading, extruded into strips, pelletized, screened, dried and set aside.
[0038] (1) Preparation of composite foam material:
[0039] Composite foam material formula: 70 parts by weight of PP resin, 27.6 parts by weight of EPDM rubber, 1 part by weight of nano-silica, 0.2 parts by weight of brominated-tertoctylphenol formaldehyde resin, and a total of 0.2 parts by weight of azodicarbonamide 0.5 parts by weight, 0.5 parts by weight of ethylene bis stearamide, 0.1 parts by weight of antioxidant 168 and 1010, S n Cl 2 2H 2 O is 0.05 parts by weight, and zincoxide is 0.05 parts by weight.
[0040] Among them, PP resin, EPDM rubber, nano-silica, bromide-tertoctylphenol formaldehyde, ethylene bisstearamide, antioxidants 168 and 1010, S n Cl 2 2H 2 O, zinc oxide was mixed on the high-speed mixer for 20 minutes according to the above-mentioned ratio, dried and set aside.
[0041] The above mixture is further added to a twin-screw extruder for kneading, extruded into strips, pelletized, screened, dried and set aside.
[0042] Add the azodicarbonamide...
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Abstract
The invention discloses a composite foaming material for an exhaust pipe of a mobile air conditioner, the exhaust pipe and the mobile air conditioner. The composite foaming material is prepared from the following components in parts by weight: 70 to 90 parts of PP resin, 10 to 30 parts of rubber, 0.4 to 2.5 parts of a cross-linking agent, 0.1 to 0.3 part of a vulcanization accelerator, 0.1 to 0.3 part of an active agent, 0.1 to 1.0 part of a foaming agent, 0.1 to 1.0 part of a coloring agent, 0.1 to 1.5 parts of a lubricating agent and 0.05 to 0.5 part of an antioxidant. Therefore, the composite foaming material has the advantages of being good in heat insulation effect and low in cost, so that the energy efficiency of the mobile air conditioner can be remarkably improved through the exhaust pipe prepared from the composite foaming material.
Description
technical field [0001] The invention belongs to the field of materials, in particular, the invention relates to a composite foam material used for an exhaust pipe of a mobile air conditioner, an exhaust pipe and a mobile air conditioner. Background technique [0002] The exhaust ducts currently used in mobile air conditioners are mostly insulated by wrapping cloth or cotton sleeves on the exhaust ducts, but the heat insulation effect is not ideal, and because the outer surface temperature of the exhaust ducts is too high, the seasonal energy efficiency is relatively low. Does not meet North American energy efficiency requirements. Therefore, it is expected to develop an exhaust pipe material with high thermal resistance to reduce the surface temperature of the exhaust pipe and reduce heat transfer to the room, thereby improving energy efficiency requirements. Contents of the invention [0003] The present invention aims to solve one of the technical problems in the relate...
Claims
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Application Information
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