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Special air conditioner wind wheel material with high rigidity, high heat resistance and low shrinkage, and preparation method of special air conditioner wind wheel material

A technology with high heat resistance and shrinkage, applied in the field of patented materials for air-conditioning wind wheels and their preparation, can solve the problems of inability to meet the use requirements of air-conditioning wind wheels, poor dimensional stability of products, and easy warping and deformation, and achieve recycling and repeatability. Easy to use, less machine wear, and the effect of overcoming the difficulty of mold adaptability

Active Publication Date: 2013-05-01
武汉顺威赛特工程塑料有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] However, general-purpose PP materials have a large molding shrinkage rate, poor dimensional stability of the product, and are prone to warping and deformation; low-temperature brittleness is easy to break, and low-temperature toughness is poor; the rigidity is insufficient, and it cannot meet the use requirements of air-conditioning wind wheels, and general-purpose PP materials must be modified.

Method used

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  • Special air conditioner wind wheel material with high rigidity, high heat resistance and low shrinkage, and preparation method of special air conditioner wind wheel material
  • Special air conditioner wind wheel material with high rigidity, high heat resistance and low shrinkage, and preparation method of special air conditioner wind wheel material
  • Special air conditioner wind wheel material with high rigidity, high heat resistance and low shrinkage, and preparation method of special air conditioner wind wheel material

Examples

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Effect test

Embodiment 1

[0024] Embodiment 1 (preparation of 100Kg special material for air conditioner wind wheel of the present invention):

[0025] In this embodiment, a high-rigidity, high-heat-resistant, low-shrinkage air-conditioning wind wheel special material and its preparation method use polypropylene resin as the base material, alkali-free glass fiber as the stiffener, PE-g-MAH as the interface binder, crystal Whiskers and nucleating agents are compounded as auxiliary stiffening and heat-resistant agents. 1010 / 168 and calcium stearate are anti-oxidant lubrication systems. They are prepared by melt blending technology using twin-screw extruder equipment. The process: Weigh 42kg of polypropylene resin, 10kg of interface binder PE-g-MAH, 1kg of calcium stearate, mix in a high-speed mixer for 1 minute, then add 5kg of calcium carbonate whiskers, 0.5kg of sorbitol, anti-oxidant Agent 1010 / 168 (mass ratio 1:1.5) 0.5kg in total, stir at high speed for 2 minutes, then add 11kg of muscovite powder, ...

Embodiment 2

[0026] Embodiment 2 (preparation of 100Kg special material for air conditioner wind wheel of the present invention):

[0027] In this embodiment, polypropylene resin is used as base material, alkali-free glass fiber is used as stiffening agent, PP-g-MAH is used as interface binder, whiskers and nucleating agent are compounded as auxiliary stiffening and heat-resistant agent, 1076, hard Magnesium fatty acid is an anti-oxidant lubrication system, which is prepared by melt blending technology using twin-screw extruder equipment. The process: Weigh 55kg of polypropylene resin, 5kg of interface binder PP-g-MAH, 2kg of magnesium stearate, mix in a high-speed mixer for 1 minute, then add 1kg of calcium sulfate whiskers, 1kg of sorbitol derivatives, 1kg Antioxidant 1076, stir at high speed for 2 minutes, then add sericite powder / muscovite powder (mass ratio 1:1) in total 20kg, after stirring at high speed for 5 minutes, discharge the compound evenly, and add the compound to the twin-s...

Embodiment 3

[0028] Embodiment 3 (preparation of 100Kg special material for air conditioner wind wheel of the present invention):

[0029] In this example, polypropylene resin is used as the base material, alkali-free glass fiber is used as the stiffening agent, POE-g-MAH / POE-g-GMA is used as the interface binder, and whiskers and nucleating agents are compounded to assist stiffening and resistance. Thermal agent, 1010, EBS is an anti-oxidation lubrication system, which is prepared by melt blending technology using twin-screw extruder equipment. The process: Weigh 43.7kg of polypropylene resin, 8kg of interface binder POE-g-MAH / POE-g-GMA (mass ratio 1:0.5), 0.1kg of EBS, mix in a high-speed mixer for 1 minute, and then add Magnesium oxide whiskers 3kg, carboxylic acid metal salt nucleating agent 0.1kg, 0.1kg antioxidant 1010, after stirring at high speed for 2 minutes, add barite powder 10kg again, after stirring at high speed for 5 minutes, evenly discharge the compounding material, Add ...

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Abstract

The invention discloses a special air conditioner wind wheel material with high rigidity, high heat resistance and low shrinkage, and a preparation method of the special air conditioner wind wheel material. The special air conditioner wind wheel material is composed of the following materials by weight: 33-68% of polypropylene resin, 5-10% of interface bonding agent, 15-35% of alkali-free glass fiber, 10-20% of mineral powder, 0.1-1% of nucleating agent, 1-5% of crystal whisker, 0.1-1% of antioxygen, and 0.1-2% of lubricant. The rigidity index of the wine wheel material is up to 7000Mpa, the molding shrinkage is 0.6%, both the rigidity index and the molding shrinkage are about the same as those of a universal SAN material wind wheel, and the best advantage is that the molding liquidity, the heat resistance and the toughness are all better than those of the SAN material wind wheel. All selected materials of the invention meet the environmental requirement of European Union ROSH. The raw materials of the special air conditioner wind wheel material are easy to get, the energy consumption is low, the machine wear rate is small, the cost is low, the recycling is easy, and the special air conditioner wind wheel material is suitable for replacing the SAN material wind wheel.

Description

【Technical field】 [0001] The invention relates to a patented material for an air-conditioning wind wheel and a preparation method thereof, in particular to a special material for an air-conditioning wind wheel with high rigidity, high heat resistance and low shrinkage and a preparation method thereof. 【Background technique】 [0002] The wind wheel is one of the core components of the air conditioner, which is directly related to the air supply volume, mute effect and energy consumption of the air conditioner. Among them, the selection and manufacture of wind wheel materials are the key factors affecting its quality. At present, the material widely used in the manufacture of air conditioner wind wheels is glass fiber reinforced SAN material, but the cost of glass fiber reinforced SAN material is expensive, the process is complicated, the manufacturing energy consumption is high, the wear and tear of the machine is large, and it is difficult to reuse and recycle. [0003] Pol...

Claims

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Application Information

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IPC IPC(8): C08L23/12C08L51/06C08K13/04C08K7/14C08K3/26C08K3/34C08K3/30C08K7/08C08K5/098C08K5/053C08K5/20
Inventor 刘珍元汪克风胡天赐石光
Owner 武汉顺威赛特工程塑料有限公司
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