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High-heat resistance and high-weatherability material specially for heat radiation grid

A cooling grille, high heat-resistant technology, applied in the field of high heat-resistant, high weather-resistant ASA/PBT/GF composite co-extrusion materials and its preparation, can solve the problems of poor heat resistance, high cost, single color, etc., to achieve weather resistance outstanding performance, low cost, and excellent comprehensive performance

Inactive Publication Date: 2012-10-17
HEILONGJIANG XINDA ENTERPRISE GRP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] In order to solve the problems of poor weather resistance and heat resistance, single color and high cost of traditional modified materials for heat dissipation grids, the present invention proposes a special material for heat dissipation grids with high heat resistance and high weather resistance and its preparation method

Method used

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  • High-heat resistance and high-weatherability material specially for heat radiation grid

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Experimental program
Comparison scheme
Effect test

Embodiment 1

[0014] Mix 60 parts of ASA resin, 20 parts of PBT resin, 20 parts of long glass fiber, 5 parts of compatibilizer (SMA), 1.5 parts of lubricant, 0.7 part of antioxidant, and 0.5 part of coupling agent through a high-speed mixer for 2 to 5 minutes After discharging, the mixture is extruded and granulated through a twin-screw extruder with a diameter of 30mm. The screw speed of the extruder is 100-350r / min, and the barrel temperature is 190-250°C. The performance test results are shown in Table 1.

Embodiment 2

[0016] Mix 50 parts of ASA resin, 30 parts of PBT resin, 20 parts of long glass fiber, 5 parts of compatibilizer (SMA), 1.5 parts of lubricant, 0.7 part of antioxidant, and 0.5 part of coupling agent through a high-speed mixer for 2 to 5 minutes After discharging, the mixture is extruded and granulated through a twin-screw extruder with a diameter of 30mm. The screw speed of the extruder is 100-350r / min, and the barrel temperature is 190-250°C. The performance test results are shown in Table 1.

Embodiment 3

[0018] Mix 40 parts of ASA resin, 40 parts of PBT resin, 20 parts of long glass fiber, 5 parts of compatibilizer (SMA), 1.5 parts of lubricant, 0.7 part of antioxidant, and 0.5 part of coupling agent through a high-speed mixer for 2 to 5 minutes After discharging, the mixture is extruded and granulated through a twin-screw extruder with a diameter of 30mm. The screw speed of the extruder is 100-350r / min, and the barrel temperature is 190-250°C. The performance test results are shown in Table 1.

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Abstract

The invention discloses a high-heat resistance and high-weatherability material specially for a heat radiation grid, and a preparation method thereof. The high-heat resistance and high-weatherability material specially for a heat radiation grid is prepared from main raw materials of 20 to 70 parts of an acrylonitrile-styrene-acrylate copolymer (ASA), 20 to 50 parts of polybutylene terephthalate (PBT) and 10 to 30 parts of long glass fibers (GF), and additives of appropriate amounts of one or more compatilizers, a glass fiber rich surface resistant agent, one or more lubricants, a dispersing agent, one or more antioxidants and a coupling reagent. The raw materials are weighted according to the ratio and are blended and extruded by a twin-screw extruder to form an ASA / PBT / GF composite material. The invention provides the ASA / PBT / GF composite material having good heat resistance, chemical resistance and weather resistance. Compared with common ABS or PC / ABS and PC / PET alloys used for automobiles, the ASA / PBT / GF composite material has the advantages of high heat resistance, high weatherability, high chemical resistance, easy coloring and low cost, and is particularly popular with clients.

Description

technical field [0001] The invention discloses a special material for high-heat-resistant and high-weather-resistant heat dissipation grids and a preparation method thereof, in particular to a high heat-resistant and high-weather resistance ASA / PBT / GF composite co-extrusion material specially used for making high-grade heat dissipation grids in the automotive field and its preparation method. technical background [0002] The radiator grille is an opening part set up to cool the engine. It is located at the front of the car body, and the nameplate of the car is often embedded in it. It is an important part that expresses the style of a car. The radiator grill not only plays the role of heat dissipation, but also reflects the characteristics and charm of the car, and has become a prominent symbol of the car brand. [0003] At present, cars are generally made of ABS or PC / ABS alloy by injection molding, and the grille of Santana cars is made of ABS. However, due to the poor w...

Claims

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Application Information

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IPC IPC(8): C08L51/00C08L67/02C08L25/08C08K13/04C08K7/14C08K5/20
Inventor 刘士涛黄水萍田野卞功名马俊杰
Owner HEILONGJIANG XINDA ENTERPRISE GRP
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