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Cellulose reinforced polypropylene resin composite material as well as preparation method and application thereof

A technology of polypropylene resin and composite materials, applied in the field of composite materials, can solve the problems of plastic feeling and other problems, and achieve the effects of low density, low VOC content and simple processing technology

Pending Publication Date: 2021-08-10
NIO TECH ANHUI CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, when modified polypropylene is used as a plastic part for automotive interior and exterior trim, its plastic feel has been criticized by consumers.

Method used

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  • Cellulose reinforced polypropylene resin composite material as well as preparation method and application thereof
  • Cellulose reinforced polypropylene resin composite material as well as preparation method and application thereof
  • Cellulose reinforced polypropylene resin composite material as well as preparation method and application thereof

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preparation example Construction

[0055] Preparation of Cellulose Reinforced Polypropylene Resin Composite

[0056] According to the second aspect of the present invention, there is provided a method for preparing the above-mentioned cellulose-reinforced polypropylene resin composite material, which is characterized in that the corresponding raw materials are mixed, melted, extruded, cooled and pelletized.

[0057] The corresponding raw materials described in this application refer to the raw materials required to constitute the cellulose-reinforced polypropylene resin composite material. Specifically, the corresponding raw materials refer to polypropylene resin, cellulose filler and dyed rayon defined for cellulose-reinforced polypropylene resin composite materials, as well as optional pigments, antioxidants, light stabilizers, release agents, One or more of free radical scavengers and compatibilizers.

[0058] The melting process is performed at a temperature that melts the polypropylene resin.

[0059] ...

Embodiment 1

[0086] Mix polypropylene resin, cellulose filler, white pigment, black rayon, compatibilizer, antioxidant, light stabilizer, free radical scavenger, etc. according to the amounts shown in Table 1, and then use it at 190-230ºC ZSK-25 type twin-screw extruder (from Coperion Company) is extruded, and feeding speed is 800-1200Kg / h, and screw speed is 500-800rpm, obtains slice after cooling, dicing.

[0087] Table 1

[0088]

[0089] The obtained slices were processed into a test sample (with a size of 150mm*100mm*2mm) using the injection molding process shown in Table 2.

[0090] Table 2 Injection molding process

[0091]

[0092] figure 1 Photographs of the surface appearance of the prepared cellulose-reinforced polypropylene resin composite samples are shown. It has a uniform matte look and a two-tone effect.

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Abstract

The invention relates to a cellulose reinforced polypropylene resin composite material as well as a preparation method and application thereof. The cellulose reinforced polypropylene resin composite material comprises the following components relative to the total weight of the composite material: 65-85 wt% of polypropylene resin; 10-20 wt% of a cellulose filler; and 1-10 wt% of dyed rayon, wherein the dyed rayon is different from the polypropylene resin in color. The cellulose reinforced polypropylene resin composite material disclosed by the invention is environment-friendly, simple to process and simple in forming process. The prepared product has excellent physical and chemical properties and has a uniform matte appearance and a double-color effect.

Description

technical field [0001] The invention relates to the field of composite materials. Specifically, the invention relates to a cellulose-reinforced polypropylene resin composite material and its preparation method and application. Background technique [0002] At present, most automotive interior and exterior trims use polycarbonate / acrylonitrile-butadiene-styrene (PC / ABS) system, which has undergone many surface treatments, such as spray paint, film, transfer printing, chrome plating, etc. There are also other types of materials such as real wood or real aluminum used in some car interior and exterior trims. Usually, these interior and exterior trims can highlight the individuality and harmony of the interior and exterior of a model. However, if you want to use these materials to achieve rich appearance effects, you need complex process means, and some processes will even cause a large environmental burden, not to mention the disadvantages of high price and high scrap rate. ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L23/12C08L1/02C08J5/04
CPCC08J5/045C08J2323/12C08J2401/02C08L23/10C08L2205/02C08L2205/16C08L2666/26C08K7/02C08L1/02C08L23/12C08L2205/025C08L2205/03
Inventor 张逸晗S·瓦泽
Owner NIO TECH ANHUI CO LTD
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