High-strength modified polypropylene material and air-conditioner wind wheel made from high-strength modified polypropylene material

Abstract

The invention relates to high-strength modified plastic, and discloses a high-strength modified polypropylene material. The problem that a modified polypropylene material is poor in strength and toughness is solved. The high-strength modified polypropylene material is prepared from, by mass, 90-100 parts of PP, 5-7 parts of maleic anhydride, 32-37 parts of glass fibers, 25-35 parts of zinc oxide and 15-22 parts of tetrafluoroethylene / perfluoroalkyl vinyl ether copolymer powder; the length of the glass fibers is 2 mm to 3 mm, the diameter of the glass fibers is 10 microns to 15 microns, the zinc oxide is tetrapod-like zinc oxide whiskers, the diameter of the tetrapod-like zinc oxide whiskers is 460+ / -5 nm, the length of the tetrapod-like zinc oxide whiskers is 6 microns to 8 microns, and the tensile strength and the bending strength of the tetrapod-like zinc oxide whiskers are large. The invention also discloses an air-conditioner wind wheel made from the high-strength modified polypropylene material, and the air-conditioner wind wheel is resistant to water and oil and large in tensile strength and bending strength, is not prone to deformation under high-speed rotating, and is longin service life.

Description

technical field [0001] The invention relates to PP / PTFE plastics, in particular to a high-strength modified polypropylene material and an air-conditioning wind wheel made of the same. Background technique [0002] The wind wheel is an important component in the existing air conditioner. as attached figure 1 As shown, the existing wind wheel includes a circular base plate 1 , a mounting head coaxially installed and snap-fitted in the center of the base plate 1 , and a number of blades 2 around the base plate 1 axially and respectively on the outer edge of one side of the base plate 1 . The blade 2 is integrally arranged with the base plate 1 , the blade 2 is perpendicular to the base plate 1 , and the cross section of the blade 2 in the vertical direction is arc-shaped. [0003] Due to the different modes and working environments of the air conditioner, the wind wheel may be in direct contact with humid air or the cold wind wheel may be in contact with water vapor or other ...

AI Technical Summary

Problems solved by technology

[0003] Due to the different modes and working environments of the air conditioner, the wind wheel may be in direct contact with humid air or the cold wind wheel may be in contact with water vapor or other liquid vapor in the air, resulting in condensation of water vapor or other liquid vapor. The strength is reduced, so the existing wind wheel injection molding materials are mixed with polytetrafluoroethylene in addition to the main polypropylene material

[0004] Its disadvantage is that although the mixture of polypropylene material and PTFE improves the waterproof and oil-proof performance of the wind wheel and avoids the reduction of the structural strength of the wind wheel by water vapor and other liquid vapors, the original tensile strength and The bending strength is reduced. Under the working condition of the high-speed rotation of the wind rotor, recoverable or non-recoverable deformation is prone to occur, resulting in deformation of the rotation of the wind rotor, increased resistance, and increased energy consumption. Further improvement is needed

Images