Composite interior material for motor car and preparation method thereof

A technology for interior materials and motor vehicles, which is applied in the field of composite interior materials and its preparation, can solve the problems of performance not meeting the corresponding requirements, low strength, etc., and achieve the effects of improving functionality, good compatibility, and improving quality

Inactive Publication Date: 2012-08-01
NANTONG UNIVERSITY +1
9 Cites 36 Cited by

AI-Extracted Technical Summary

Problems solved by technology

At present, there is no corresponding general-purpose product, and customized products cannot meet the corresponding requirements in terms of the above-mentioned properties. The general c...
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Abstract

The invention relates to a composite interior material for a motor car and a preparation method thereof. The composite interior material comprises 60-80% of high performance fibers, 10-20% of flame retardant fibers and 10-20% of hot-melt fibers; and the preparation method comprises the following specific steps of: 1) opening the high performance fibers, the flame retardant fibers and the hot-melt fibers by a bale opener; reopening the high performance fibers, the flame retardant fibers and the hot-melt fibers by using a rough opener; and then mixing the high performance fibers, the flame retardant fibers and the hot-melt fibers by using a cotton blending machine; finely opening the mixture by using a fine opener; and combing the mixture by using a carding machine; 2) by using a nonwoven needle-punched machining technology, lapping the combed fibers in a cross way by a lapping machine; and then carrying out needle punching on the fibers by using a needle machine; and processing the fibers by using a singeing machine and a glazing calendar; and 3) carrying out composite hot pressing on a fiber felt which is a needle-punched, singed and calendared semi-finished product; and finally, forming the composite interior material together with a thermoplastic resin.

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  • Composite interior material for motor car and preparation method thereof
  • Composite interior material for motor car and preparation method thereof

Examples

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Example Embodiment

[0017] In order to deepen the understanding of the present invention, the present invention will be described in further detail below in conjunction with embodiments and drawings. The embodiments are only used to explain the present invention and do not constitute a limitation on the protection scope of the present invention.
[0018] The present invention shows an embodiment of a composite interior material for trains and a preparation method thereof; the preparation method of the composite material is 60% aramid 1314, 20% polyester flame-retardant fiber, and 20% polyester hot melt fiber. The steps are as follows:
[0019] 1). The aramid 1314, polyester flame-retardant fiber and polyester hot melt fiber are unpacked by a bag opener, and then pre-opened by a rough opener, then mixed by a cotton blender and then finely opened by a fine opener , And then use a carding machine for carding;
[0020] 2) Using non-woven needling processing technology to cross-lay the carded fibers with a netting machine, then needling with a needle punching machine, and then processing with a singeing machine and a calender;
[0021] 3) After needle punching, singeing, and calendering, the semi-finished product is a fiber mat, and then the fiber mat is composited and hot pressed with thermoplastic resin to form a composite interior material.
[0022] Aramid 1414 is a new type of high-strength fiber, its strength can reach 193.6cN/tex, and the elongation at break is 4%. The initial modulus is much higher than other fibers, 11 times that of polyamide fiber, and about 6 times that of polyester fiber. It also has extremely high mechanical properties, high strength, high elastic modulus, high temperature resistance, and dimensional stability at high temperatures. Good, the heat shrinkage rate is very low, the density is low, which is conducive to the light weight of the product, and it is resistant to high temperature, corrosion resistance, chemical resistance and flame resistance.
[0023] Polyester flame-retardant fiber and polyester hot-melt fiber have poor moisture absorption properties, and the moisture regain under general atmospheric conditions is 0.4%-0.5%, so the fiber properties under dry and wet conditions do not change much. Moreover, it has high strength and good elastic recovery. The elastic recovery rate is 90%-95% when the elongation is 3%. The modulus is also high, the rigidity is large, and the product has good wear resistance. Its own characteristics can meet the high resilience and wear resistance performance requirements of non-woven interior materials for high-speed train seats. Polyester hollow fiber also helps to improve the thermal insulation performance of the product. To meet the safety performance requirements, the material must be Flame retardant treatment.
[0024] The invention has the following advantages: the prepared composite interior material has the properties of light weight, high strength, flame retardant, sound insulation, sound absorption and the like. Moreover, it is non-toxic, odorless, does not release toxic gases and a large amount of smoke and dust, and the fiber compatibility is good, which improves the functionality of automotive interior materials and greatly improves the quality of automotive consumer products.
[0025] The physical and mechanical properties, flame retardancy, burning smoke density, smoke toxicity rating and other indicators of the prepared composite material fully reach the level of similar foreign products. The physical and mechanical properties are reflected by the weight loss rate and breaking strength, the flame retardant is reflected by the flame retardant index and the flame retardant grade, and the burning smoke density and smoke toxicity are reflected by the smoke toxicity.
[0026] This product can meet the following standards:
[0027] project index Weight loss rate (%) (wear resistance) ≤7.2 (≥100000 times) Breaking strength (N) ≥1150 Flame retardant index (smoldering, afterburning, unit: second) 0 Smoke toxicity (French standard) (NF F16-101) F1 Flame retardant grade (French standard) (NF P92-503) M1
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PUM

PropertyMeasurementUnit
Length30.0 ~ 150.0mm
Diameter8.0 ~ 40.0µm
Gram weight200.0 ~ 1000.0g/m²
tensileMPa
Particle sizePa
strength10

Description & Claims & Application Information

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the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
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  • Good compatibility
  • Improve functionality

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