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Reinforced greasy-dirt-resistant high-gloss polypropylene composite material and preparation method thereof

A composite material, polypropylene technology, applied in the field of polymers, can solve the problems of affecting product assembly and appearance, high shrinkage of high-crystalline PP, lack of oil-resistant properties, etc., to increase self-cleaning ability, improve oil resistance, The effect of good surface gloss

Active Publication Date: 2015-07-01
ORINKO NEW MATERIAL CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This kind of composite material has high gloss and heat distortion temperature, but the material does not have anti-oil properties. At the same time, due to the large shrinkage rate of high-crystalline PP, the size of the parts is prone to be too small, which affects product assembly and appearance.

Method used

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  • Reinforced greasy-dirt-resistant high-gloss polypropylene composite material and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0040] 75 parts of random copolymerized polypropylene resin

[0041] Barium sulfate 10 parts

[0042] Magnesium Sulfate Whiskers 10 parts

[0043] Fluoride perfluoropolyether oil 0.5 parts

[0044] Antioxidant 1010 0.2 parts

[0045] Nucleating agent NA-11 0.15 parts

[0046] Nucleating agent WBG-Ⅱ 0.15 parts

[0047] Lubricant calcium stearate 0.5 parts

[0048] Surface brightener TAF 0.8 parts

[0049] The specific preparation method is as follows:

[0050] (1) Adding barium sulfate, antioxidant and lubricant together is that temperature is 65 ℃ and is led in the mixer that has nitrogen protection and mixes for 5 minutes;

[0051] (2) Add polypropylene, magnesium sulfate whiskers, fluoride, nucleating agent and other additives, and continue mixing for 5 minutes;

[0052](3) Under the protection of nitrogen, put the mixed material in step (2) into a parallel twin-screw extruder to melt, extrude and granulate to obtain an anti-oil pollution reinforced high-gloss polypr...

Embodiment 2

[0054] Random copolymerization polypropylene resin 50 parts

[0055] Homopolypropylene 30 parts

[0056] Barium sulfate 10 parts

[0057] Magnesium Sulfate Whiskers 10 parts

[0058] Fluoride polytetrafluoroethylene 0.5 parts

[0059] Antioxidant 168 0.2 parts

[0060] Nucleating agent NA-11 0.1 parts

[0061] Lubricant zinc stearate 0.5 part

[0062] Lubricant PE wax 0.5 parts

[0063] The specific preparation method is as follows:

[0064] (1) adding barium sulfate, antioxidant and lubricant together into a mixer with a temperature of 65-75° C. and passing through nitrogen protection to mix for 10 minutes;

[0065] (2) Add polypropylene, magnesium sulfate whiskers, fluoride, nucleating agent and other additives, and continue mixing for 2 minutes;

[0066] (3) Under the protection of nitrogen, put the mixed material in step (2) into a parallel twin-screw extruder to melt, extrude and granulate to obtain an anti-oil pollution reinforced high-gloss polypropylene composi...

Embodiment 3

[0068] Random copolymerization polypropylene resin 78 parts

[0069] Barium sulfate 14 parts

[0070] Magnesium Sulfate Whiskers 6 parts

[0071] Fluoride perfluoropolyether oil 0.2 parts

[0072] Antioxidant 1010 0.2 parts

[0073] Antioxidant 168 0.2 parts

[0074] Nucleating agent NA-11 0.2 parts

[0075] Nucleating agent WBG-Ⅱ 0.1 parts

[0076] Lubricant PE wax 0.8 parts

[0077] Surface brightener TAF 1 part

[0078] The specific preparation method is as follows:

[0079] (1) adding barium sulfate, antioxidant and lubricant together into a mixer with a temperature of 65-75°C and nitrogen protection and mixing for 8 minutes;

[0080] (2) Add polypropylene, magnesium sulfate whiskers, fluoride, nucleating agent and other additives, and continue mixing for 3 minutes;

[0081] (3) Under the protection of nitrogen, put the mixed material in step (2) into a parallel twin-screw extruder to melt, extrude and granulate to obtain an anti-oil pollution reinforced high-glos...

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Abstract

The invention provides a reinforced greasy-dirt-resistant high-gloss polypropylene composite material and a preparation method thereof. The reinforced greasy-dirt-resistant high-gloss polypropylene composite material is prepared form the following components in parts by weight: 60-80 parts of PP resin, 10-15 parts of superfine precipitated barium sulfate, 6-10 parts of reinforced magnesium sulfate whiskers, 2-5 parts of fluoride, 0.2-0.4 part of an antioxidant, 0.1-0.3 part of a nucleating agent, 0.5-1 part of a lubricating agent and 0-3 parts of other auxiliaries. According to the reinforced greasy-dirt-resistant high-gloss polypropylene composite material prepared by the method disclosed by the invention, the surface polarity of the material is changed and the greasy dirt resistance of the material is improved; meanwhile, the composite material meets the European Union Regulation (EC) No.1935 / 2004 of related food contact materials, and has the characteristics of being high in gloss, low in after shrinkage, high in rigidity, and the like. The material is applied to a housing of a kitchen appliance, so that the surface of the kitchen appliance has capacity of resisting greasy dirt and self-cleaning capacity, and the self-cleaning anti-greasy-dirt environmental requirements of modern kitchen appliance are met.

Description

technical field [0001] The invention relates to the technical field of macromolecules, in particular to an anti-oil pollution reinforced high-gloss polypropylene composite material and a preparation method thereof. Background technique [0002] Polypropylene is a thermoplastic resin produced by the polymerization of propylene, usually a translucent, colorless solid, odorless and non-toxic. Due to its regular structure and high degree of crystallization, its melting point can be as high as 167°C. It has the advantages of heat resistance and corrosion resistance, so its products can be sterilized by steam; in addition, polypropylene has a low density and is the lightest general-purpose plastic. However, PP has poor low-temperature impact resistance, large molding shrinkage, and poor creep resistance of dimensional stability. [0003] With the acceleration of the pace of modern life and the increase in consumer demand, the types and quantities of small household appliances a...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L23/12C08L23/14C08L27/18C08L71/00C08K13/04C08K3/30C08K7/08C08K5/134C08K5/526C08K5/372
CPCC08K2201/003C08K2201/014C08K2201/016C08L23/14C08L2205/025C08L2205/03C08L2205/035C08L2205/24C08L71/00C08K13/04C08K2003/3045C08K7/08C08K5/1345C08K5/098C08L23/12C08L27/18C08L23/06C08K5/526C08K5/372
Inventor 周海任东方李荣群宋钰邢纪普
Owner ORINKO NEW MATERIAL CO LTD
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