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Lightweight interior material for automobile rear cover and preparation method of lightweight interior material

An interior material and lightweight technology, which is applied in chemical instruments and methods, vehicle parts, lamination, etc., can solve the problems of unfavorable light weight of auto parts, unfavorable appearance of parts and odor emission performance, etc., and achieve high-quality mold resistance, Excellent emission performance, weight reduction effect

Pending Publication Date: 2021-03-19
SHANGHAI XINAN CAR DEADENING FELT
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, due to the limitation of structure and materials, it is not conducive to the appearance, odor, VOC and other emission performance of parts. The weight of a single piece is mostly about 1000g, which is not conducive to the lightweight requirements of auto parts.

Method used

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  • Lightweight interior material for automobile rear cover and preparation method of lightweight interior material

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Experimental program
Comparison scheme
Effect test

Embodiment

[0034] A lightweight interior material for a car back cover, such as figure 1 , the interior material includes: surface carpet 1 and glass fiber board 2 from top to bottom.

[0035] Among them, the surface carpet 1 is needle-punched velveteen, and the weight per unit area is 180g / m 2 , this style of fabric is mostly used in mid-end models, the surface of the fabric is relatively delicate, and the handle is soft.

[0036] The unit area weight of glass fiber board 2 is 900g / m 2 . The glass fiber board 2 includes, from top to bottom, a PE adhesive layer 21 , a glass fiber layer 22 and a spunlace non-woven fabric 23 .

[0037] The weight per unit area of ​​PE adhesive layer 21 is 50g / m 2 . The glass fiber layer 22 is made by blending glass fibers and polypropylene fibers in a weight ratio of (48-52):(52-48). Among them, the melting point of polypropylene fiber is 168°C. The weight per unit area of ​​spunlace nonwoven fabric 23 is 45g / m 2 . The spunlace non-woven fabric ca...

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Abstract

The invention relates to a lightweight interior material for an automobile rear cover. The interior material sequentially comprises a surface carpet (1) and a glass fiber plate (2) from top to bottom,wherein the thickness ratio of the surface carpet (1) to the glass fiber plate (2) is (4-8): 1. The preparation method comprises the steps of (1) processing and molding the glass fiber plate (2), specifically, sewing one surface of a glass fiber layer (22) with a PE adhesive layer by adopting a needling compound process, and sewing the other surface with a spunlace non-woven fabric (23); and (2)carrying out hot press molding on the surface carpet (1) and the glass fiber plate (2) to finally obtain the lightweight interior material for the automobile rear cover. Compared with the prior art, the lightweight interior material has the advantages of favorable mechanical properties, low VOC emission and the like.

Description

technical field [0001] The invention relates to the field of automotive interior materials, in particular to a lightweight interior material for an automobile back cover and a preparation method thereof. Background technique [0002] The current rear cover interior materials are mostly made of PP plastic by injection molding process or PP+hemp fiber, PP+PET forming felt as the base material. [0003] Although the back cover interior parts made of these kinds of base materials have certain strength, they can basically meet the functional requirements of the car back cover interior parts. However, due to the limitation of structure and materials, it is not conducive to the requirements of parts appearance, odor, VOC and other emission performance. The weight of a single piece is mostly about 1000g, which is not conducive to the requirements of lightweight auto parts. Contents of the invention [0004] The object of the present invention is to provide a lightweight interior ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B32B5/02B32B27/32B32B27/12B32B27/02B32B17/02B32B17/12B32B17/10B32B5/06B32B7/12B32B37/12B32B37/06B32B37/10B32B37/08D06M17/06B60R13/02
CPCB32B5/022B32B27/32B32B27/12B32B5/08B32B5/26B32B5/06B32B7/12B32B37/12B32B37/06B32B37/10B32B37/08D06M17/06B60R13/0237B32B2262/101B32B2262/0253B32B2307/718B32B2307/7145B32B2307/54B32B2307/546B32B2307/306B32B2605/003
Inventor 方诚
Owner SHANGHAI XINAN CAR DEADENING FELT
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