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Method of producing composite material for decorating automobile inside

A technology of composite materials and manufacturing methods, which is applied in the field of manufacturing composite materials for automotive interiors, can solve the problems of long process and cumbersome procedures, and achieve the effects of less environmental pollution, improved peel strength, and improved bending rigidity

Inactive Publication Date: 2003-04-16
上海汽车地毯总厂有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The above two methods, although both use the viscoelastic principle of some resin melts as adhesives, without solvent waste gas, but both need to make the granular resin into a breathable film or powder, and then use it as a composite substrate adhesives, the process is cumbersome and the process is long

Method used

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Examples

Experimental program
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Effect test

Embodiment Construction

[0010] Substrate used: surface layer substrate is 900g / m 2 Polypropylene blanket, the bottom substrate is 600g / m 2 Polypropylene felt.

[0011] Equipment used: SJ type screw extruder, SDF type compound machine, MC-B type melting cutting machine.

[0012] Adhesives used: plastic grade polypropylene chips, non-homogeneous adhesives to the substrate such as polyethylene chips can also be used.

[0013] The temperature of the screw extruder is 165°C in zone one, 195°C in zone two, 218°C in zone three, 245°C in zone four, and 260°C in zone five and six.

[0014] The temperature of the die head is 265°C, the speed of the compound machine is 5.5m / min, the thickness of the coating film is 0.12mm, the pressure of the roll of the compound machine is 0.5MPa, and it is cooled by water circulation at room temperature.

[0015] When the molten polypropylene resin is extruded through the die, a melt film is formed and coated on the back of the above-mentioned polypropylene blanket, and th...

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Abstract

A composite material (fabric) for internal decoration of car is composed of face layer, substrate and adhesive layer. It is made up through adding thermoplastic resin to a screw extruder, heating, extruding out by an electrothermal die head with a slit while coating on the back of face material, sticking the back of face material to the front of substrate, and rolling. Its advantages are high stripping strength and no residual harmful substance.

Description

technical field [0001] The invention relates to a method for manufacturing a composite material for automotive interiors in the industrial textile manufacturing industry of the textile industry. The composite material is widely used in car interiors and other moisture-proof pavements and decorative carpets. Background technique [0002] Due to the rapid development of the world economy and the continuous improvement of people's living standards, the development of the automobile industry, especially the production of cars is changing with each passing day, and the models are constantly updated. The requirements for interior materials matching the models are also getting higher and higher. [0003] Because people's requirements for cars have shifted from the original consideration of beautiful shapes to the requirements for interior decoration materials, and at the same time, materials are required to have functions such as heat insulation, noise reduction, shock resistance,...

Claims

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Application Information

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IPC IPC(8): B29C47/04
Inventor 刘福根龚杜弟朱良成杨靖基徐巧华
Owner 上海汽车地毯总厂有限公司
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