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Polyamide resin composition for sound insulation

A technology of polyamide resin and composition, which is applied in the direction of sound insulation, instruments, sound-generating devices, etc., can solve the problems of low barium sulfate content and insufficient sound insulation characteristics, and achieve weight reduction, excellent design freedom, and excellent mechanical properties. Effect

Inactive Publication Date: 2014-10-15
HYUNDAI MOTOR CO LTD +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the content of barium sulfate is relatively low, so there is a disadvantage that it does not provide sufficient soundproofing properties

Method used

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  • Polyamide resin composition for sound insulation
  • Polyamide resin composition for sound insulation
  • Polyamide resin composition for sound insulation

Examples

Experimental program
Comparison scheme
Effect test

Embodiment

[0077] figure 1 It is a schematic diagram showing a partition 100 for a vehicle engine room formed from the polyamide resin compositions of Examples and Comparative Examples. Components and contents of Examples and Comparative Examples are shown in Table 1 below. Afterwards, their physical properties were compared and listed in Table 2 below.

[0078] 【Table 1】

[0079]

[0080] Table 1 is a table comparing the components and contents of Examples and Comparative Examples. The antioxidants, heat-resistant stabilizers, and lubricants in Table 1 above were included in Examples and Comparative Examples at the same content, and only Comparative Example 1 included polypropylene. Also, barium sulfate for improving sound insulation properties was contained only in Examples (according to the present invention), while iron oxide and wollastonite were contained in Comparative Examples (not according to the present invention).

[0081] The physical characteristics and heat resista...

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Abstract

Disclosed is a polyamide resin composition for sound insulation, which includes a polyamide 66 or polyamide 6 resin, a glass fiber for improving mechanical and heat resistance properties of the composition, and barium sulfate for improving a sound insulation property of the composition. The polyamide resin composition can further include one or more of an antioxidant for preventing deterioration of the composition, a heat resistant stabilizer for improving heat resistance, and a lubricant for reducing friction to improve moldability. The polyamide resin composition thus has excellent mechanical properties, heat resistance, noise and vibration insulation performance, and can further be injection molded to thereby provide weight reduction and allow for the formation of complicated shapes.

Description

[0001] Cross References to Related Applications [0002] This application claims priority from Korean Patent Application No. 10-2013-0040585 filed on Apr. 12, 2013, the entire contents of which are hereby incorporated by reference in their entirety for all purposes. technical field [0003] The present invention relates to a polyamide resin composition for sound insulation, which is effective in insulating engine sound and noise generated in an engine room of a vehicle, and more particularly, to a polyamide resin composition comprising polyamide 66 or polyamide 6 resin, glass fiber and sulfuric acid Barium polyamide resin composition for sound insulation. Background technique [0004] The partition of the engine room of the vehicle is a wall arranged between the engine room and the dashboard to block the transmission of noise generated in the engine room to the inside of the vehicle. Thus, the divider improves the comfort of the occupants in the vehicle. [0005] The part...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L77/06C08L77/02C08K9/06C08K7/14C08K3/30
CPCC03C25/26G10K11/162E04B1/84C08K3/30C08K7/14C08K9/06C08L2201/08C08K2201/004C08K2201/003C08K2003/3045C08L77/06C08L77/02C03C25/40C03C25/42
Inventor 尹智镛李相一
Owner HYUNDAI MOTOR CO LTD