Novel low odor polypropylene composite material and preparation thereof

A technology for composite materials and polypropylene, which is applied in the field of preparation of polypropylene composite materials, hydrophobic odor-absorbing masterbatches, and polypropylene composite materials. It can solve problems such as complex molding and processing techniques, and achieve low preparation costs and simple processes.

Active Publication Date: 2012-12-05
CHONGQNG PRET NEW MATERIAL +1
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Although this method can prevent the odor inhibitor from absorbing moisture during the blending and extrusion process, it also makes the subsequent molding process of the material more complicated

Method used

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  • Novel low odor polypropylene composite material and preparation thereof
  • Novel low odor polypropylene composite material and preparation thereof
  • Novel low odor polypropylene composite material and preparation thereof

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Embodiment Construction

[0059] In the following, the present invention will be further described in detail with reference to the embodiments:

[0060] In the composite material formulations of the examples and comparative examples, polypropylene is highly crystalline homo-polypropylene and block co-polypropylene with different fluidity, and the amount is 50-95%. Among them, the common comonomer of block co-polypropylene is ethylene, and its content is in the range of 4-10mol%. The melt flow rate of polypropylene (230℃×2.16kg) is 5-50g / 10min, more commonly 5 -30g / 10min, the crystallinity of high crystalline polypropylene is more than 70%, and the isotacticity is more than 99%; the particle size range of the talc powder is 1-10 microns; the toughening agent POE is an ethylene- The copolymer of octene has a density of 0.88-0.90g / cm3 and a melt index of 1-50g / 10min; the attapulgite clay is produced by Jiangsu Xuyi attapulgite clay company, with a purity of 80%, a fineness of 300 mesh, and The amount of cal...

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Abstract

The invention relates to novel low odor polypropylene composite material and a preparation method thereof. The low odor polypropylene composite material comprises the following components by weight percentage: 50 to 95 percent of polypropylene, 0 to 45 percent of inorganic filler, 0 to 20 percent of flexibilizer POE, 1.0 to 5.0 percent of hydrophobic type odor agglomerate, and 0.1 to 5.0 percent of other additives. The preparation method comprises the following steps: firstly mixing 20 to 70 percent basal body resin and 30 to 80 percent attapulgite which is modified by a quaternary ammonium salt surfactant, and carrying out extrusion and granulation to form the high concentration hydrophobic type odor agglomerate; and then mixing the high concentration hydrophobic type odor agglomerate with the polypropylene, the inorganic filler, the flexibilizer POE and the other additives, placing the mixture in a double screw extruder, and obtaining the low odor polypropylene composite material after melted extrusion and granulation. The method is characterized in that the method can make the forming and processing of the composite material be free of any impact, and make the composite material have excellent comprehensive physical and chemical properties and a good odor characteristic.

Description

Technical field [0001] The present invention relates to the preparation of a low-odor polypropylene composite material, and more specifically to the preparation of a low-odor, low-emission polypropylene composite material by adding a new type of hydrophobic odor adsorption masterbatch that does not affect the material molding process . It can be used for automotive parts and home appliance parts that have higher requirements for odor and total carbon emission performance, and belongs to the technical field of polymer materials. Background technique [0002] Polypropylene has been widely used because of its good processing properties and physical, mechanical, and chemical properties. It is currently the fastest growing general-purpose thermoplastic. In recent years, the use of polypropylene composite materials obtained after filling, reinforcement, and blending modification of polypropylene as raw materials to make industrial supporting parts such as automobiles, electrical appli...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C08L23/10C08K3/34B29B9/12B29C47/40C08L101/12B29C48/40
CPCB29C48/40
Inventor 张鹰张祥福周文
Owner CHONGQNG PRET NEW MATERIAL
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