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High-impact lusterless modified reclaimed PP (polypropylene) material and preparation method thereof

A high-impact, recycled material technology, applied in the high-impact field, can solve problems that do not involve the mechanical properties of recycled PP, and achieve the effect of matte surface, high impact, and simple preparation process

Inactive Publication Date: 2016-04-20
GUANGDONG TIANBAO NEW MATERIALS CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] Chinese patent document CN104804298A discloses a new type of antibacterial regenerated PP particles, including a content ratio of 40-80% of regenerated PP, a content ratio of 15-55% of heavy calcium carbonate, and a content ratio of antibacterial agents and other additives. 3-5%, the patent literature only refers to the superior antibacterial effect of recycled plastics, but does not involve how to improve the mechanical properties of recycled PP

Method used

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  • High-impact lusterless modified reclaimed PP (polypropylene) material and preparation method thereof
  • High-impact lusterless modified reclaimed PP (polypropylene) material and preparation method thereof
  • High-impact lusterless modified reclaimed PP (polypropylene) material and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0024] A high impact, matte modified recycled PP material comprising the following components by weight:

[0025]

[0026]

[0027] Above-mentioned a kind of high impact, the preparation method of the modified regenerated PP material of dullness, comprises the following steps:

[0028] (1) take each raw material by weight ratio;

[0029] (2) Put PP bumper recycled materials, PP daily miscellaneous recycled materials, fillers, TPO, SBS, lubricants, antioxidants into a high-speed mixer and mix evenly, and discharge;

[0030] (3) Put the raw materials mixed in step (2) into a twin-screw extruder to extrude and granulate. The main engine speed of the twin-screw machine is 25-32Hz, the feeding frequency is 8Hz, and the barrel temperature is 220-230°C , through twin-screw extruder fully plasticized, melted, compounded, head extruded and cooled.

Embodiment 2

[0032] A high impact, matte modified recycled PP material comprising the following components by weight:

[0033]

[0034] The preparation method of the above-mentioned modified recycled PP material is the same as that in Example 1.

Embodiment 3

[0036] A high impact, matte modified recycled PP material comprising the following components by weight:

[0037]

[0038]

[0039] The preparation method of the above-mentioned modified recycled PP material is the same as that in Example 1.

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Abstract

The invention discloses a high-impact lusterless modified reclaimed PP (polypropylene) material and a preparation method thereof. The invention is characterized in that the high-impact lusterless modified reclaimed PP material comprises the following components in percentage by weight: 30-50% of PP bumper reclaimed material, 33-45% of PP household sundry, 6-15% of filler, 5-10% of TPO (thermoplastic polyolefin), 1-5% of SBS (styrene-butadiene-styrene), 0.2-1% of antioxidant and 0.3-1% of lubricant. The modified reclaimed PP material has the advantages of low price, simple preparation technique, high impact property and no surface luster, and is suitable for automobiles, motorcycle fenders, filters and the like.

Description

technical field [0001] The invention belongs to the technical field of polymer materials, in particular to a high-impact, dull modified recycled PP material and a preparation method thereof. Background technique [0002] Polypropylene (PP material) is a thermoplastic resin material prepared by propylene polymerization. It has high rigidity, low relative density, high tensile strength, good stress crack resistance and chemical resistance. Therefore, , Widely used in home appliances, automobiles, medical and other fields. However, the disadvantage of polypropylene is that it has poor low temperature impact resistance and is easy to age. [0003] Polypropylene is a non-toxic, odorless, tasteless milky white highly crystalline polymer with a density of only 0.90-0.91g / cm 3 , is currently one of the lightest varieties of all plastics. Especially stable to water, good formability, good surface gloss, easy to color, suitable for making various electrical components, TV and radio...

Claims

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Application Information

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IPC IPC(8): C08L23/12C08L53/02C08L23/00C08K13/02C08K5/134C08K5/526C08K3/26C08K3/34
CPCC08L23/12C08L2205/02C08L2205/025C08L2205/035C08L53/02C08L23/00C08K13/02C08K5/1345C08K5/526C08K2003/265C08K3/34
Inventor 狄烁张金柱刘军勤吴家琅
Owner GUANGDONG TIANBAO NEW MATERIALS CO LTD
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