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Air-conditioning air deflector, clustered molding composite material for manufacturing same and preparation method

A technology of mass molding and composite materials, which is applied in the field of air conditioners, can solve the problems that plague injection molding production, increase production costs, and deformation of parts, and achieve bright and uniform colors, easy manufacturing and production, and small size deformation.

Active Publication Date: 2016-12-07
WUHU MATY AIR CONDITIONING EQUIP CO LTD +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] The air deflector of household air conditioners generally adopts a double-layer structure. The outer layer is generally made of glass fiber reinforced ABS (acrylonitrile-butadiene-styrene copolymer) material, and the inner layer is generally made of glass fiber reinforced PC (polycarbonate) material. Molding adopts the steam rapid variable mold temperature injection molding process, but the deformation of the parts has always plagued the injection molding production, and the off-line rate is high
For this reason, the method adopted is to replace the inner layer material with aluminum profiles, and use its rigidity and straightness to ensure the dimensional stability of the entire wind deflector, but this greatly increases the production cost

Method used

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Examples

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Embodiment 1

[0061] 60 parts by weight of o-phthalic unsaturated polyester resin, 40 parts by weight of low shrinkage agent (wherein, 30 parts by weight of molecular weight is 50000 high degree of polymerization polystyrene, 10 parts by weight of molecular weight is 5000 low degree of polymerization polystyrene Ethylene), 0.3 part of TBPB, 0.7 part of TBPO, and 1 part of magnesium oxide were uniformly mixed in a high-speed mixer to obtain a resin paste. In addition, mix 90 parts of calcium carbonate with a median particle size of 12000 mesh, 10 parts of calcium carbonate with a median particle size of 1800 mesh, and 3.5 parts of zinc stearate in a kneader, add the previously prepared resin paste, and add 40wt % length is the chopped glass fiber of 6mm, kneading evenly obtains BMC composite material.

[0062] The air-conditioning wind deflector was molded on a compression molding machine with the BMC composite material thus obtained. The mold was heated by electricity, the surface temperatu...

Embodiment 2

[0064] Change the high degree of polymerization polystyrene that molecular weight is 50000 and the low degree of polymerization polystyrene that molecular weight is 5000 into 20 parts and 20 parts respectively, all the other are the same as embodiment 1. There are no pinholes and pitting on the surface of the wind deflector base, the surface is smooth, without ripples, the color is uniform and bright, the color difference is 0.80 after testing, the heat distortion temperature is 218°C, the bending strength is 77Mpa, and the impact strength is 14kJ / m 2 , better surface smoothness and gloss.

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Abstract

The invention discloses an air-conditioning air deflector, a clustered molding composite material for manufacturing the same and a preparation method of the clustered molding composite material. The clustered molding composite material is prepared from 60-65 phr (parts per hundred resin) of unsaturated polyester resin, 35-40 phr of a low shrinkage agent, 100-110 phr of inorganic filler, 3.5-4.0 phr of a release agent, 1.0-1.2 phr of a thickening agent, 0.8-1.0 phr of an initiating agent, 3.3-3.5 phr of pigments and 35.0wt% -45.0wt% of glass fibers, wherein the low shrinkage agent is prepared from high-polymerization-degree polystyrene with molecular weight of 20,000-60,000 and low-polymerization-degree polystyrene with molecular weight of 5,000-15,000, and a weight ratio of high-polymerization-degree polystyrene to low-polymerization-degree polystyrene is (75-50):(25-50). With the adoption of the air-conditioning air deflector manufactured from the clustered molding composite material in the embodiment, requirements for working performance and appearance can be met simultaneously.

Description

technical field [0001] The invention relates to the technical field of air conditioners, and more specifically, to an air conditioner air deflector, a bulk molding composite material used for manufacturing the air conditioner air deflector, and a preparation method. Background technique [0002] The air deflector of household air conditioners generally adopts a double-layer structure. The outer layer is generally made of glass fiber reinforced ABS (acrylonitrile-butadiene-styrene copolymer) material, and the inner layer is generally made of glass fiber reinforced PC (polycarbonate) material. The molding adopts the injection molding process of steam rapid temperature change, but the deformation of the parts has always plagued the injection molding production, and the off-line rate is high. For this reason, the method adopted is to replace the inner layer material with an aluminum profile, and use its rigidity and straightness to ensure the dimensional stability of the entire ...

Claims

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Application Information

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IPC IPC(8): C08L67/06C08L25/06C08K13/06C08K7/14C08K3/26C08K5/098C08K3/22B29C43/58
CPCB29C43/58B29C2043/5816C08K2201/003C08K2201/004C08K2201/014C08L67/06C08L2201/02C08L2201/08C08L2205/025C08L2205/03C08L25/06C08K13/06C08K7/14C08K2003/265C08K5/098C08K2003/222
Inventor 麦剑章林勇强陈新厂
Owner WUHU MATY AIR CONDITIONING EQUIP CO LTD
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