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A kind of resin composition and its preparation method and application

A technology of resin composition and acrylonitrile resin, which is applied in the field of engineering plastics, can solve the problem that the ultrasonic radar signal does not have improvement, achieve excellent mechanical properties, improve absorption performance, and avoid alarm effects

Active Publication Date: 2022-07-26
GAC HONDA AUTOMOBILE CO LTD +2
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, these technologies all reduce the dielectric strength of ASA materials and improve the permeability of millimeter-wave radar with electromagnetic wave properties in ASA materials, but this method does not improve the ultrasonic radar signals with mechanical wave properties.

Method used

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  • A kind of resin composition and its preparation method and application
  • A kind of resin composition and its preparation method and application
  • A kind of resin composition and its preparation method and application

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0036] A kind of ASA resin composition with ultrasonic absorption performance, its preparation method is as follows:

[0037] (1) Backup materials according to the following components and quality:

[0038]

[0039] (2) The above-mentioned raw materials are mixed into a high-speed mixer according to the above proportions and stirred, and after mixing evenly, they are added to a twin-screw extruder through a metering device, and the temperature of the barrel is set to 220-255 ° C. Mix well and then granulate to obtain the desired composition.

[0040] The SAN resin in step (1) is PN128 of Chi Mei, Taiwan; ASA rubber powder is XC500 of Kumho, Korea; the special acrylate copolymer is methyl methacrylate-iso-octyl acrylate block copolymer, commercially available, acrylic acid The mass content of isooctyl ester is 55% to 80%; the antioxidant is American Kepolyphosphite antioxidant 619F; the light stabilizer is Tinuvin-327 from Ciba, and the lubricant is magnesium stearate. sal...

Embodiment 2

[0043] A kind of ASA resin composition with ultrasonic absorption performance, its preparation method is as follows:

[0044] (1) Prepare materials according to the following components and parts by mass:

[0045]

[0046] (2) The above-mentioned raw materials are mixed into a high-speed mixer according to the above proportions and stirred, and after mixing evenly, they are added to a twin-screw extruder through a metering device, and the temperature of the barrel is set to 220-255 ° C. Mix well and then granulate to obtain the desired composition.

Embodiment 3

[0048] A kind of ASA resin composition with ultrasonic absorption performance, its preparation method is as follows:

[0049](1) Prepare materials according to the following components and parts by mass:

[0050]

[0051] (2) The above-mentioned raw materials are mixed into a high-speed mixer according to the above proportions and stirred, and after mixing evenly, they are added to a twin-screw extruder through a metering device, and the temperature of the barrel is set to 220-255 ° C. Mix well and then granulate to obtain the desired composition.

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Abstract

The invention discloses a resin composition, a preparation method and application thereof. The raw materials of the resin composition include styrene-acrylonitrile resin, styrene-acrylonitrile-acrylate rubber and acrylate copolymer, and the acrylate The copolymer contains isooctyl acrylate blocks. By adding acrylate copolymer containing isooctyl acrylate comonomer and compounding with SAN resin and ASA rubber, the invention not only retains the excellent mechanical properties of ASA rubber, but also changes the damping property of ASA resin, so that it can be more The ultrasonic energy can be converted into heat energy well, so that the ultrasonic energy can decay faster. Therefore, the resin composition of the present invention can significantly improve the absorption performance of the ASA resin for ultrasonic waves on the premise of meeting the physical properties and weather resistance standards of the main engine plant, thereby reducing the influence of the bad reflected waves generated by parts or rain on the sensor, and avoiding radar detection. An alarm is issued when an obstacle is misjudged.

Description

technical field [0001] The invention relates to the technical field of engineering plastics, in particular to a resin composition and a preparation method and application thereof. Background technique [0002] With the advancement of modern technology, automobiles are becoming more and more electronic and intelligent. Systems such as reversing radar, blind spot monitoring, and adaptive patrol have greatly improved the safety and convenience of people driving vehicles. The working principles of these assisted driving system sensors are mainly divided into two categories: millimeter-wave radar and ultrasonic radar. As the name implies, the working band of millimeter-wave radar is at the millimeter level, and its frequency domain is generally 30-300 GHz. It is an electromagnetic wave with small size, high directionality, and long detection distance. Different from the millimeter wave radar of electromagnetic wave nature, ultrasonic wave is essentially a kind of mechanical wave...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C08L25/12C08L51/04C08L53/00
CPCC08L25/12C08L51/04C08L53/00
Inventor 吴秀冰李俊杰郑利明周霆胡建建
Owner GAC HONDA AUTOMOBILE CO LTD
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